parser.js

module.exports = (function(){
  /*
   * Generated by PEG.js 0.7.0.
   *
   * http://pegjs.majda.cz/
   */
  
  function subclass(child, parent) {
    function ctor() { this.constructor = child; }
    ctor.prototype = parent.prototype;
    child.prototype = new ctor();
  }
  
  function quote(s) {
    /*
     * ECMA-262, 5th ed., 7.8.4: All characters may appear literally in a
     * string literal except for the closing quote character, backslash,
     * carriage return, line separator, paragraph separator, and line feed.
     * Any character may appear in the form of an escape sequence.
     *
     * For portability, we also escape escape all control and non-ASCII
     * characters. Note that "\0" and "\v" escape sequences are not used
     * because JSHint does not like the first and IE the second.
     */
     return '"' + s
      .replace(/\\/g, '\\\\')  // backslash
      .replace(/"/g, '\\"')    // closing quote character
      .replace(/\x08/g, '\\b') // backspace
      .replace(/\t/g, '\\t')   // horizontal tab
      .replace(/\n/g, '\\n')   // line feed
      .replace(/\f/g, '\\f')   // form feed
      .replace(/\r/g, '\\r')   // carriage return
      .replace(/[\x00-\x07\x0B\x0E-\x1F\x80-\uFFFF]/g, escape)
      + '"';
  }
  
  var result = {
    /*
     * Parses the input with a generated parser. If the parsing is successful,
     * returns a value explicitly or implicitly specified by the grammar from
     * which the parser was generated (see |PEG.buildParser|). If the parsing is
     * unsuccessful, throws |PEG.parser.SyntaxError| describing the error.
     */
    parse: function(input) {
      var parseFunctions = {
        "program": parse_program
      };
      
      var options = arguments.length > 1 ? arguments[1] : {},
          startRule;
      
      if (options.startRule !== undefined) {
        startRule = options.startRule;
        
        if (parseFunctions[startRule] === undefined) {
          throw new Error("Can't start parsing from rule " + quote(startRule) + ".");
        }
      } else {
        startRule = "program";
      }
      
      var pos = 0;
      var reportedPos = 0;
      var cachedReportedPos = 0;
      var cachedReportedPosDetails = { line: 1, column: 1, seenCR: false };
      var reportFailures = 0;
      var rightmostFailuresPos = 0;
      var rightmostFailuresExpected = [];
      var cache = {};
      
      function padLeft(input, padding, length) {
        var result = input;
        
        var padLength = length - input.length;
        for (var i = 0; i < padLength; i++) {
          result = padding + result;
        }
        
        return result;
      }
      
      function escape(ch) {
        var charCode = ch.charCodeAt(0);
        var escapeChar;
        var length;
        
        if (charCode <= 0xFF) {
          escapeChar = 'x';
          length = 2;
        } else {
          escapeChar = 'u';
          length = 4;
        }
        
        return '\\' + escapeChar + padLeft(charCode.toString(16).toUpperCase(), '0', length);
      }
      
      function computeReportedPosDetails() {
        function advanceCachedReportedPos() {
          var ch;
          
          for (; cachedReportedPos < reportedPos; cachedReportedPos++) {
            ch = input.charAt(cachedReportedPos);
            if (ch === "\n") {
              if (!cachedReportedPosDetails.seenCR) { cachedReportedPosDetails.line++; }
              cachedReportedPosDetails.column = 1;
              cachedReportedPosDetails.seenCR = false;
            } else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
              cachedReportedPosDetails.line++;
              cachedReportedPosDetails.column = 1;
              cachedReportedPosDetails.seenCR = true;
            } else {
              cachedReportedPosDetails.column++;
              cachedReportedPosDetails.seenCR = false;
            }
          }
        }
        
        if (cachedReportedPos !== reportedPos) {
          if (cachedReportedPos > reportedPos) {
            cachedReportedPos = 0;
            cachedReportedPosDetails = { line: 1, column: 1, seenCR: false };
          }
          advanceCachedReportedPos();
        }
        
        return cachedReportedPosDetails;
      }
      
      function text() {
        return input.substring(reportedPos, pos);
      }
      
      function offset() {
        return reportedPos;
      }
      
      function line() {
        return computeReportedPosDetails().line;
      }
      
      function column() {
        return computeReportedPosDetails().column;
      }
      
      function matchFailed(failure) {
        if (pos < rightmostFailuresPos) {
          return;
        }
        
        if (pos > rightmostFailuresPos) {
          rightmostFailuresPos = pos;
          rightmostFailuresExpected = [];
        }
        
        rightmostFailuresExpected.push(failure);
      }
      
      function parse_program() {
        var cacheKey = "program@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_TERMINATOR();
        r3 = r3 !== null ? r3 : "";
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r5 = parse_toplevelBlock();
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(leader, b) {
              return rp(new CS.Program(b || null));
            })(r3, r5);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_toplevelBlock() {
        var cacheKey = "toplevelBlock@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_toplevelStatement();
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r7 = parse__();
          if (r7 !== null) {
            r8 = parse_TERMINATOR();
            if (r8 !== null) {
              r9 = parse__();
              if (r9 !== null) {
                r10 = parse_toplevelStatement();
                if (r10 !== null) {
                  r5 = [r7, r8, r9, r10];
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          } else {
            r5 = null;
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r7 = parse__();
            if (r7 !== null) {
              r8 = parse_TERMINATOR();
              if (r8 !== null) {
                r9 = parse__();
                if (r9 !== null) {
                  r10 = parse_toplevelStatement();
                  if (r10 !== null) {
                    r5 = [r7, r8, r9, r10];
                  } else {
                    r5 = null;
                    pos = r6;
                  }
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          }
          if (r4 !== null) {
            r5 = parse_TERMINATOR();
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(s, ss) {
              return rp(new CS.Block([s].concat(ss.map(function(s){ return s[3]; }))));
            })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_toplevelStatement() {
        var cacheKey = "toplevelStatement@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r1 = pos;
        r2 = pos;
        r4 = pos;
        reportFailures++;
        r3 = parse_return();
        if (r3 === null) {
          r3 = parse_continue();
          if (r3 === null) {
            r3 = parse_break();
          }
        }
        reportFailures--;
        if (r3 === null) {
          r3 = "";
        } else {
          r3 = null;
          pos = r4;
        }
        if (r3 !== null) {
          r4 = parse_statement();
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(s) { return s; })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_block() {
        var cacheKey = "block@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_statement();
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r7 = parse__();
          if (r7 !== null) {
            r8 = parse_TERMINATOR();
            if (r8 !== null) {
              r9 = parse__();
              if (r9 !== null) {
                r10 = parse_statement();
                if (r10 !== null) {
                  r5 = [r7, r8, r9, r10];
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          } else {
            r5 = null;
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r7 = parse__();
            if (r7 !== null) {
              r8 = parse_TERMINATOR();
              if (r8 !== null) {
                r9 = parse__();
                if (r9 !== null) {
                  r10 = parse_statement();
                  if (r10 !== null) {
                    r5 = [r7, r8, r9, r10];
                  } else {
                    r5 = null;
                    pos = r6;
                  }
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          }
          if (r4 !== null) {
            r5 = parse_TERMINATOR();
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(s, ss) {
              return rp(new CS.Block([s].concat(ss.map(function(s){ return s[3]; }))));
            })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_statement() {
        var cacheKey = "statement@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_expression();
        if (r0 === null) {
          r0 = parse_return();
          if (r0 === null) {
            r0 = parse_continue();
            if (r0 === null) {
              r0 = parse_break();
              if (r0 === null) {
                r0 = parse_throw();
                if (r0 === null) {
                  r0 = parse_debugger();
                }
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_expression() {
        var cacheKey = "expression@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_expressionworthy();
        if (r0 === null) {
          r0 = parse_seqExpression();
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_secondaryStatement() {
        var cacheKey = "secondaryStatement@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_secondaryExpression();
        if (r0 === null) {
          r0 = parse_return();
          if (r0 === null) {
            r0 = parse_continue();
            if (r0 === null) {
              r0 = parse_break();
              if (r0 === null) {
                r0 = parse_throw();
                if (r0 === null) {
                  r0 = parse_debugger();
                }
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_secondaryExpression() {
        var cacheKey = "secondaryExpression@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_expressionworthy();
        if (r0 === null) {
          r0 = parse_assignmentExpression();
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_secondaryExpressionNoImplicitObjectCall() {
        var cacheKey = "secondaryExpressionNoImplicitObjectCall@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_expressionworthy();
        if (r0 === null) {
          r0 = parse_assignmentExpressionNoImplicitObjectCall();
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_expressionworthy() {
        var cacheKey = "expressionworthy@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_functionLiteral();
        if (r0 === null) {
          r0 = parse_conditional();
          if (r0 === null) {
            r0 = parse_while();
            if (r0 === null) {
              r0 = parse_loop();
              if (r0 === null) {
                r0 = parse_try();
                if (r0 === null) {
                  r0 = parse_forOf();
                  if (r0 === null) {
                    r0 = parse_forIn();
                    if (r0 === null) {
                      r0 = parse_switch();
                      if (r0 === null) {
                        r0 = parse_implicitObjectLiteral();
                        if (r0 === null) {
                          r0 = parse_class();
                          if (r0 === null) {
                            r0 = parse_mixin();
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_seqExpression() {
        var cacheKey = "seqExpression@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_postfixControlFlowExpression();
        if (r3 !== null) {
          r5 = pos;
          r6 = parse__();
          if (r6 !== null) {
            if (input.charCodeAt(pos) === 59) {
              r7 = ";";
              pos++;
            } else {
              r7 = null;
              if (reportFailures === 0) {
                matchFailed("\";\"");
              }
            }
            if (r7 !== null) {
              r8 = parse_TERMINATOR();
              r8 = r8 !== null ? r8 : "";
              if (r8 !== null) {
                r9 = parse__();
                if (r9 !== null) {
                  r10 = parse_expression();
                  if (r10 !== null) {
                    r4 = [r6, r7, r8, r9, r10];
                  } else {
                    r4 = null;
                    pos = r5;
                  }
                } else {
                  r4 = null;
                  pos = r5;
                }
              } else {
                r4 = null;
                pos = r5;
              }
            } else {
              r4 = null;
              pos = r5;
            }
          } else {
            r4 = null;
            pos = r5;
          }
          r4 = r4 !== null ? r4 : "";
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(left, right) {
              if(!right) return left;
              return rp(new CS.SeqOp(left, right[4]));
            })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_postfixControlFlowExpression() {
        var cacheKey = "postfixControlFlowExpression@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_secondaryStatement();
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r7 = parse__();
          if (r7 !== null) {
            r8 = parse_postfixControlFlowOp();
            if (r8 !== null) {
              r5 = [r7, r8];
            } else {
              r5 = null;
              pos = r6;
            }
          } else {
            r5 = null;
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r7 = parse__();
            if (r7 !== null) {
              r8 = parse_postfixControlFlowOp();
              if (r8 !== null) {
                r5 = [r7, r8];
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(expr, postfixes) {
              return foldl(function(expr, postfixContainer){
                var constructor, cond,
                    postfix = postfixContainer[1],
                    indicator = postfix.type;
                switch(indicator){
                  case 'if':
                  case 'unless':
                    constructor = ('unless' === indicator) ? CS.NegatedConditional : CS.Conditional;
                    cond = ('unless' === indicator) ? new CS.LogicalNotOp(postfix.cond).g() : postfix.cond;
                    return rp(new constructor(cond, expr, null));
                  case 'while':
                  case 'until':
                    constructor = ('until' === indicator) ? CS.NegatedWhile : CS.While;
                    cond = ('until' === indicator) ? new CS.LogicalNotOp(postfix.cond).g() : postfix.cond;
                    return rp(new constructor(cond, expr));
                  case 'for-in':
                    return rp(new CS.ForIn(postfix.val, postfix.key, postfix.list, postfix.step, postfix.filter, expr));
                  case 'for-of':
                    return rp(new CS.ForOf(postfix.own, postfix.key, postfix.val, postfix.obj, postfix.filter, expr));
                }
              }, expr, postfixes)
            })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_postfixControlFlowOp() {
        var cacheKey = "postfixControlFlowOp@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15, r16, r17;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_IF();
        if (r3 === null) {
          r3 = parse_UNLESS();
        }
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r5 = parse_assignmentExpression();
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(kw, e) { return {type: kw, cond: e}; })(r3, r5);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse_WHILE();
          if (r3 === null) {
            r3 = parse_UNTIL();
          }
          if (r3 !== null) {
            r4 = parse__();
            if (r4 !== null) {
              r5 = parse_assignmentExpression();
              if (r5 !== null) {
                r0 = [r3, r4, r5];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(kw, e) { return {type: kw, cond: e}; })(r3, r5);
          }
          if (r0 === null) {
            pos = r1;
          }
          if (r0 === null) {
            r1 = pos;
            r2 = pos;
            r3 = parse_FOR();
            if (r3 !== null) {
              r4 = parse__();
              if (r4 !== null) {
                r6 = pos;
                r7 = parse_Assignable();
                if (r7 !== null) {
                  r8 = parse__();
                  if (r8 !== null) {
                    r10 = pos;
                    if (input.charCodeAt(pos) === 44) {
                      r11 = ",";
                      pos++;
                    } else {
                      r11 = null;
                      if (reportFailures === 0) {
                        matchFailed("\",\"");
                      }
                    }
                    if (r11 !== null) {
                      r12 = parse__();
                      if (r12 !== null) {
                        r13 = parse_Assignable();
                        if (r13 !== null) {
                          r14 = parse__();
                          if (r14 !== null) {
                            r9 = [r11, r12, r13, r14];
                          } else {
                            r9 = null;
                            pos = r10;
                          }
                        } else {
                          r9 = null;
                          pos = r10;
                        }
                      } else {
                        r9 = null;
                        pos = r10;
                      }
                    } else {
                      r9 = null;
                      pos = r10;
                    }
                    r9 = r9 !== null ? r9 : "";
                    if (r9 !== null) {
                      r5 = [r7, r8, r9];
                    } else {
                      r5 = null;
                      pos = r6;
                    }
                  } else {
                    r5 = null;
                    pos = r6;
                  }
                } else {
                  r5 = null;
                  pos = r6;
                }
                r5 = r5 !== null ? r5 : "";
                if (r5 !== null) {
                  r6 = parse_IN();
                  if (r6 !== null) {
                    r7 = parse__();
                    if (r7 !== null) {
                      r8 = parse_assignmentExpression();
                      if (r8 !== null) {
                        r10 = pos;
                        r11 = parse__();
                        if (r11 !== null) {
                          r12 = parse_BY();
                          if (r12 !== null) {
                            r13 = parse__();
                            if (r13 !== null) {
                              r14 = parse_assignmentExpression();
                              if (r14 !== null) {
                                r9 = [r11, r12, r13, r14];
                              } else {
                                r9 = null;
                                pos = r10;
                              }
                            } else {
                              r9 = null;
                              pos = r10;
                            }
                          } else {
                            r9 = null;
                            pos = r10;
                          }
                        } else {
                          r9 = null;
                          pos = r10;
                        }
                        r9 = r9 !== null ? r9 : "";
                        if (r9 !== null) {
                          r11 = pos;
                          r12 = parse__();
                          if (r12 !== null) {
                            r13 = parse_WHEN();
                            if (r13 !== null) {
                              r14 = parse__();
                              if (r14 !== null) {
                                r15 = parse_assignmentExpression();
                                if (r15 !== null) {
                                  r10 = [r12, r13, r14, r15];
                                } else {
                                  r10 = null;
                                  pos = r11;
                                }
                              } else {
                                r10 = null;
                                pos = r11;
                              }
                            } else {
                              r10 = null;
                              pos = r11;
                            }
                          } else {
                            r10 = null;
                            pos = r11;
                          }
                          r10 = r10 !== null ? r10 : "";
                          if (r10 !== null) {
                            r0 = [r3, r4, r5, r6, r7, r8, r9, r10];
                          } else {
                            r0 = null;
                            pos = r2;
                          }
                        } else {
                          r0 = null;
                          pos = r2;
                        }
                      } else {
                        r0 = null;
                        pos = r2;
                      }
                    } else {
                      r0 = null;
                      pos = r2;
                    }
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
            if (r0 !== null) {
              reportedPos = r1;
              r0 = (function(maybeVal, list, maybeStep, maybeFilter) {
                    var val = maybeVal ? maybeVal[0] : null,
                        key = maybeVal && maybeVal[2] ? maybeVal[2][2] : null,
                        step = maybeStep ? maybeStep[3] : new CS.Int(1).r('1').g(),
                        filter = maybeFilter ? maybeFilter[3] : null;
                    return 0,
                      { type: 'for-in'
                      , val: val, key: key, list: list, step: step, filter: filter
                      };
                  })(r5, r8, r9, r10);
            }
            if (r0 === null) {
              pos = r1;
            }
            if (r0 === null) {
              r1 = pos;
              r2 = pos;
              r3 = parse_FOR();
              if (r3 !== null) {
                r4 = parse__();
                if (r4 !== null) {
                  r6 = pos;
                  r7 = parse_OWN();
                  if (r7 !== null) {
                    r8 = parse__();
                    if (r8 !== null) {
                      r5 = [r7, r8];
                    } else {
                      r5 = null;
                      pos = r6;
                    }
                  } else {
                    r5 = null;
                    pos = r6;
                  }
                  r5 = r5 !== null ? r5 : "";
                  if (r5 !== null) {
                    r6 = parse_Assignable();
                    if (r6 !== null) {
                      r7 = parse__();
                      if (r7 !== null) {
                        r9 = pos;
                        if (input.charCodeAt(pos) === 44) {
                          r10 = ",";
                          pos++;
                        } else {
                          r10 = null;
                          if (reportFailures === 0) {
                            matchFailed("\",\"");
                          }
                        }
                        if (r10 !== null) {
                          r11 = parse__();
                          if (r11 !== null) {
                            r12 = parse_Assignable();
                            if (r12 !== null) {
                              r13 = parse__();
                              if (r13 !== null) {
                                r8 = [r10, r11, r12, r13];
                              } else {
                                r8 = null;
                                pos = r9;
                              }
                            } else {
                              r8 = null;
                              pos = r9;
                            }
                          } else {
                            r8 = null;
                            pos = r9;
                          }
                        } else {
                          r8 = null;
                          pos = r9;
                        }
                        r8 = r8 !== null ? r8 : "";
                        if (r8 !== null) {
                          r9 = parse_OF();
                          if (r9 !== null) {
                            r10 = parse__();
                            if (r10 !== null) {
                              r11 = parse_assignmentExpression();
                              if (r11 !== null) {
                                r13 = pos;
                                r14 = parse__();
                                if (r14 !== null) {
                                  r15 = parse_WHEN();
                                  if (r15 !== null) {
                                    r16 = parse__();
                                    if (r16 !== null) {
                                      r17 = parse_assignmentExpression();
                                      if (r17 !== null) {
                                        r12 = [r14, r15, r16, r17];
                                      } else {
                                        r12 = null;
                                        pos = r13;
                                      }
                                    } else {
                                      r12 = null;
                                      pos = r13;
                                    }
                                  } else {
                                    r12 = null;
                                    pos = r13;
                                  }
                                } else {
                                  r12 = null;
                                  pos = r13;
                                }
                                r12 = r12 !== null ? r12 : "";
                                if (r12 !== null) {
                                  r0 = [r3, r4, r5, r6, r7, r8, r9, r10, r11, r12];
                                } else {
                                  r0 = null;
                                  pos = r2;
                                }
                              } else {
                                r0 = null;
                                pos = r2;
                              }
                            } else {
                              r0 = null;
                              pos = r2;
                            }
                          } else {
                            r0 = null;
                            pos = r2;
                          }
                        } else {
                          r0 = null;
                          pos = r2;
                        }
                      } else {
                        r0 = null;
                        pos = r2;
                      }
                    } else {
                      r0 = null;
                      pos = r2;
                    }
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
              if (r0 !== null) {
                reportedPos = r1;
                r0 = (function(maybeOwn, key, maybeVal, obj, maybeFilter) {
                      var own = !!maybeOwn,
                          val = maybeVal ? maybeVal[2] : null,
                          filter = maybeFilter ? maybeFilter[3] : null;
                      return 0,
                        { type: 'for-of'
                        , own: own, key: key, val: val, obj: obj, filter: filter
                        };
                    })(r5, r6, r8, r11, r12);
              }
              if (r0 === null) {
                pos = r1;
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_assignmentExpression() {
        var cacheKey = "assignmentExpression@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_assignmentOp();
        if (r0 === null) {
          r0 = parse_compoundAssignmentOp();
          if (r0 === null) {
            r0 = parse_existsAssignmentOp();
            if (r0 === null) {
              r0 = parse_binaryExpression();
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_assignmentOp() {
        var cacheKey = "assignmentOp@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_Assignable();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            if (input.charCodeAt(pos) === 61) {
              r5 = "=";
              pos++;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\"=\"");
              }
            }
            if (r5 !== null) {
              r7 = pos;
              reportFailures++;
              if (input.charCodeAt(pos) === 61) {
                r6 = "=";
                pos++;
              } else {
                r6 = null;
                if (reportFailures === 0) {
                  matchFailed("\"=\"");
                }
              }
              reportFailures--;
              if (r6 === null) {
                r6 = "";
              } else {
                r6 = null;
                pos = r7;
              }
              if (r6 !== null) {
                r8 = pos;
                r9 = pos;
                r10 = parse_TERMINDENT();
                if (r10 !== null) {
                  r11 = parse_secondaryExpression();
                  if (r11 !== null) {
                    r12 = parse_DEDENT();
                    if (r12 !== null) {
                      r7 = [r10, r11, r12];
                    } else {
                      r7 = null;
                      pos = r9;
                    }
                  } else {
                    r7 = null;
                    pos = r9;
                  }
                } else {
                  r7 = null;
                  pos = r9;
                }
                if (r7 !== null) {
                  reportedPos = r8;
                  r7 = (function(e) { return e; })(r11);
                }
                if (r7 === null) {
                  pos = r8;
                }
                if (r7 === null) {
                  r8 = pos;
                  r9 = pos;
                  r10 = parse_TERMINATOR();
                  r10 = r10 !== null ? r10 : "";
                  if (r10 !== null) {
                    r11 = parse__();
                    if (r11 !== null) {
                      r12 = parse_secondaryExpression();
                      if (r12 !== null) {
                        r7 = [r10, r11, r12];
                      } else {
                        r7 = null;
                        pos = r9;
                      }
                    } else {
                      r7 = null;
                      pos = r9;
                    }
                  } else {
                    r7 = null;
                    pos = r9;
                  }
                  if (r7 !== null) {
                    reportedPos = r8;
                    r7 = (function(e) { return e; })(r12);
                  }
                  if (r7 === null) {
                    pos = r8;
                  }
                }
                if (r7 !== null) {
                  r0 = [r3, r4, r5, r6, r7];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(left, right) {
                return rp(new CS.AssignOp(left, right));
              })(r3, r7);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_compoundAssignmentOp() {
        var cacheKey = "compoundAssignmentOp@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_CompoundAssignable();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r6 = pos;
            reportFailures++;
            if (input.charCodeAt(pos) === 63) {
              r5 = "?";
              pos++;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\"?\"");
              }
            }
            reportFailures--;
            if (r5 === null) {
              r5 = "";
            } else {
              r5 = null;
              pos = r6;
            }
            if (r5 !== null) {
              r6 = parse_CompoundAssignmentOperators();
              if (r6 !== null) {
                if (input.charCodeAt(pos) === 61) {
                  r7 = "=";
                  pos++;
                } else {
                  r7 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"=\"");
                  }
                }
                if (r7 !== null) {
                  r9 = pos;
                  r10 = pos;
                  r11 = parse_TERMINDENT();
                  if (r11 !== null) {
                    r12 = parse_secondaryExpression();
                    if (r12 !== null) {
                      r13 = parse_DEDENT();
                      if (r13 !== null) {
                        r8 = [r11, r12, r13];
                      } else {
                        r8 = null;
                        pos = r10;
                      }
                    } else {
                      r8 = null;
                      pos = r10;
                    }
                  } else {
                    r8 = null;
                    pos = r10;
                  }
                  if (r8 !== null) {
                    reportedPos = r9;
                    r8 = (function(e) { return e; })(r12);
                  }
                  if (r8 === null) {
                    pos = r9;
                  }
                  if (r8 === null) {
                    r9 = pos;
                    r10 = pos;
                    r11 = parse_TERMINATOR();
                    r11 = r11 !== null ? r11 : "";
                    if (r11 !== null) {
                      r12 = parse__();
                      if (r12 !== null) {
                        r13 = parse_secondaryExpression();
                        if (r13 !== null) {
                          r8 = [r11, r12, r13];
                        } else {
                          r8 = null;
                          pos = r10;
                        }
                      } else {
                        r8 = null;
                        pos = r10;
                      }
                    } else {
                      r8 = null;
                      pos = r10;
                    }
                    if (r8 !== null) {
                      reportedPos = r9;
                      r8 = (function(e) { return e; })(r13);
                    }
                    if (r8 === null) {
                      pos = r9;
                    }
                  }
                  if (r8 !== null) {
                    r0 = [r3, r4, r5, r6, r7, r8];
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(left, op, right) {
                return rp(new CS.CompoundAssignOp(constructorLookup[op].prototype.className, left, right));
              })(r3, r6, r8);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_CompoundAssignmentOperators() {
        var cacheKey = "CompoundAssignmentOperators@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        if (input.substr(pos, 2) === "&&") {
          r0 = "&&";
          pos += 2;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            matchFailed("\"&&\"");
          }
        }
        if (r0 === null) {
          r0 = parse_AND();
          if (r0 === null) {
            if (input.substr(pos, 2) === "||") {
              r0 = "||";
              pos += 2;
            } else {
              r0 = null;
              if (reportFailures === 0) {
                matchFailed("\"||\"");
              }
            }
            if (r0 === null) {
              r0 = parse_OR();
              if (r0 === null) {
                if (input.substr(pos, 2) === "**") {
                  r0 = "**";
                  pos += 2;
                } else {
                  r0 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"**\"");
                  }
                }
                if (r0 === null) {
                  if (/^[?&\^|*\/%]/.test(input.charAt(pos))) {
                    r0 = input.charAt(pos);
                    pos++;
                  } else {
                    r0 = null;
                    if (reportFailures === 0) {
                      matchFailed("[?&\\^|*\\/%]");
                    }
                  }
                  if (r0 === null) {
                    r2 = pos;
                    if (input.charCodeAt(pos) === 43) {
                      r3 = "+";
                      pos++;
                    } else {
                      r3 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"+\"");
                      }
                    }
                    if (r3 !== null) {
                      r5 = pos;
                      reportFailures++;
                      if (input.charCodeAt(pos) === 43) {
                        r4 = "+";
                        pos++;
                      } else {
                        r4 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"+\"");
                        }
                      }
                      reportFailures--;
                      if (r4 === null) {
                        r4 = "";
                      } else {
                        r4 = null;
                        pos = r5;
                      }
                      if (r4 !== null) {
                        r0 = [r3, r4];
                      } else {
                        r0 = null;
                        pos = r2;
                      }
                    } else {
                      r0 = null;
                      pos = r2;
                    }
                    if (r0 === null) {
                      r2 = pos;
                      if (input.charCodeAt(pos) === 45) {
                        r3 = "-";
                        pos++;
                      } else {
                        r3 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"-\"");
                        }
                      }
                      if (r3 !== null) {
                        r5 = pos;
                        reportFailures++;
                        if (input.charCodeAt(pos) === 45) {
                          r4 = "-";
                          pos++;
                        } else {
                          r4 = null;
                          if (reportFailures === 0) {
                            matchFailed("\"-\"");
                          }
                        }
                        reportFailures--;
                        if (r4 === null) {
                          r4 = "";
                        } else {
                          r4 = null;
                          pos = r5;
                        }
                        if (r4 !== null) {
                          r0 = [r3, r4];
                        } else {
                          r0 = null;
                          pos = r2;
                        }
                      } else {
                        r0 = null;
                        pos = r2;
                      }
                      if (r0 === null) {
                        if (input.substr(pos, 2) === "<<") {
                          r0 = "<<";
                          pos += 2;
                        } else {
                          r0 = null;
                          if (reportFailures === 0) {
                            matchFailed("\"<<\"");
                          }
                        }
                        if (r0 === null) {
                          if (input.substr(pos, 3) === ">>>") {
                            r0 = ">>>";
                            pos += 3;
                          } else {
                            r0 = null;
                            if (reportFailures === 0) {
                              matchFailed("\">>>\"");
                            }
                          }
                          if (r0 === null) {
                            if (input.substr(pos, 2) === ">>") {
                              r0 = ">>";
                              pos += 2;
                            } else {
                              r0 = null;
                              if (reportFailures === 0) {
                                matchFailed("\">>\"");
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_existsAssignmentOp() {
        var cacheKey = "existsAssignmentOp@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_CompoundAssignable();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            if (input.substr(pos, 2) === "?=") {
              r5 = "?=";
              pos += 2;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\"?=\"");
              }
            }
            if (r5 !== null) {
              r6 = parse__();
              if (r6 !== null) {
                r8 = pos;
                r9 = pos;
                r10 = parse_TERMINDENT();
                if (r10 !== null) {
                  r11 = parse_secondaryExpression();
                  if (r11 !== null) {
                    r12 = parse_DEDENT();
                    if (r12 !== null) {
                      r7 = [r10, r11, r12];
                    } else {
                      r7 = null;
                      pos = r9;
                    }
                  } else {
                    r7 = null;
                    pos = r9;
                  }
                } else {
                  r7 = null;
                  pos = r9;
                }
                if (r7 !== null) {
                  reportedPos = r8;
                  r7 = (function(e) { return e; })(r11);
                }
                if (r7 === null) {
                  pos = r8;
                }
                if (r7 === null) {
                  r8 = pos;
                  r9 = pos;
                  r10 = parse_TERMINATOR();
                  r10 = r10 !== null ? r10 : "";
                  if (r10 !== null) {
                    r11 = parse__();
                    if (r11 !== null) {
                      r12 = parse_secondaryExpression();
                      if (r12 !== null) {
                        r7 = [r10, r11, r12];
                      } else {
                        r7 = null;
                        pos = r9;
                      }
                    } else {
                      r7 = null;
                      pos = r9;
                    }
                  } else {
                    r7 = null;
                    pos = r9;
                  }
                  if (r7 !== null) {
                    reportedPos = r8;
                    r7 = (function(e) { return e; })(r12);
                  }
                  if (r7 === null) {
                    pos = r8;
                  }
                }
                if (r7 !== null) {
                  r0 = [r3, r4, r5, r6, r7];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(left, right) {
                return rp(new CS.CompoundAssignOp(constructorLookup['?'].prototype.className, left, right));
              })(r3, r7);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_assignmentExpressionNoImplicitObjectCall() {
        var cacheKey = "assignmentExpressionNoImplicitObjectCall@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_assignmentOpNoImplicitObjectCall();
        if (r0 === null) {
          r0 = parse_compoundAssignmentOpNoImplicitObjectCall();
          if (r0 === null) {
            r0 = parse_existsAssignmentOpNoImplicitObjectCall();
            if (r0 === null) {
              r0 = parse_binaryExpressionNoImplicitObjectCall();
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_assignmentOpNoImplicitObjectCall() {
        var cacheKey = "assignmentOpNoImplicitObjectCall@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_Assignable();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            if (input.charCodeAt(pos) === 61) {
              r5 = "=";
              pos++;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\"=\"");
              }
            }
            if (r5 !== null) {
              r7 = pos;
              reportFailures++;
              if (input.charCodeAt(pos) === 61) {
                r6 = "=";
                pos++;
              } else {
                r6 = null;
                if (reportFailures === 0) {
                  matchFailed("\"=\"");
                }
              }
              reportFailures--;
              if (r6 === null) {
                r6 = "";
              } else {
                r6 = null;
                pos = r7;
              }
              if (r6 !== null) {
                r8 = pos;
                r9 = pos;
                r10 = parse_TERMINDENT();
                if (r10 !== null) {
                  r11 = parse_secondaryExpressionNoImplicitObjectCall();
                  if (r11 !== null) {
                    r12 = parse_DEDENT();
                    if (r12 !== null) {
                      r7 = [r10, r11, r12];
                    } else {
                      r7 = null;
                      pos = r9;
                    }
                  } else {
                    r7 = null;
                    pos = r9;
                  }
                } else {
                  r7 = null;
                  pos = r9;
                }
                if (r7 !== null) {
                  reportedPos = r8;
                  r7 = (function(e) { return e; })(r11);
                }
                if (r7 === null) {
                  pos = r8;
                }
                if (r7 === null) {
                  r8 = pos;
                  r9 = pos;
                  r10 = parse_TERMINATOR();
                  r10 = r10 !== null ? r10 : "";
                  if (r10 !== null) {
                    r11 = parse__();
                    if (r11 !== null) {
                      r12 = parse_secondaryExpressionNoImplicitObjectCall();
                      if (r12 !== null) {
                        r7 = [r10, r11, r12];
                      } else {
                        r7 = null;
                        pos = r9;
                      }
                    } else {
                      r7 = null;
                      pos = r9;
                    }
                  } else {
                    r7 = null;
                    pos = r9;
                  }
                  if (r7 !== null) {
                    reportedPos = r8;
                    r7 = (function(e) { return e; })(r12);
                  }
                  if (r7 === null) {
                    pos = r8;
                  }
                }
                if (r7 !== null) {
                  r0 = [r3, r4, r5, r6, r7];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(left, right) {
                return rp(new CS.AssignOp(left, right));
              })(r3, r7);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_compoundAssignmentOpNoImplicitObjectCall() {
        var cacheKey = "compoundAssignmentOpNoImplicitObjectCall@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_CompoundAssignable();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r6 = pos;
            reportFailures++;
            if (input.charCodeAt(pos) === 63) {
              r5 = "?";
              pos++;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\"?\"");
              }
            }
            reportFailures--;
            if (r5 === null) {
              r5 = "";
            } else {
              r5 = null;
              pos = r6;
            }
            if (r5 !== null) {
              r6 = parse_CompoundAssignmentOperators();
              if (r6 !== null) {
                if (input.charCodeAt(pos) === 61) {
                  r7 = "=";
                  pos++;
                } else {
                  r7 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"=\"");
                  }
                }
                if (r7 !== null) {
                  r9 = pos;
                  r10 = pos;
                  r11 = parse_TERMINDENT();
                  if (r11 !== null) {
                    r12 = parse_secondaryExpressionNoImplicitObjectCall();
                    if (r12 !== null) {
                      r13 = parse_DEDENT();
                      if (r13 !== null) {
                        r8 = [r11, r12, r13];
                      } else {
                        r8 = null;
                        pos = r10;
                      }
                    } else {
                      r8 = null;
                      pos = r10;
                    }
                  } else {
                    r8 = null;
                    pos = r10;
                  }
                  if (r8 !== null) {
                    reportedPos = r9;
                    r8 = (function(e) { return e; })(r12);
                  }
                  if (r8 === null) {
                    pos = r9;
                  }
                  if (r8 === null) {
                    r9 = pos;
                    r10 = pos;
                    r11 = parse_TERMINATOR();
                    r11 = r11 !== null ? r11 : "";
                    if (r11 !== null) {
                      r12 = parse__();
                      if (r12 !== null) {
                        r13 = parse_secondaryExpressionNoImplicitObjectCall();
                        if (r13 !== null) {
                          r8 = [r11, r12, r13];
                        } else {
                          r8 = null;
                          pos = r10;
                        }
                      } else {
                        r8 = null;
                        pos = r10;
                      }
                    } else {
                      r8 = null;
                      pos = r10;
                    }
                    if (r8 !== null) {
                      reportedPos = r9;
                      r8 = (function(e) { return e; })(r13);
                    }
                    if (r8 === null) {
                      pos = r9;
                    }
                  }
                  if (r8 !== null) {
                    r0 = [r3, r4, r5, r6, r7, r8];
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(left, op, right) {
                return rp(new CS.CompoundAssignOp(constructorLookup[op].prototype.className, left, right));
              })(r3, r6, r8);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_existsAssignmentOpNoImplicitObjectCall() {
        var cacheKey = "existsAssignmentOpNoImplicitObjectCall@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_CompoundAssignable();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            if (input.substr(pos, 2) === "?=") {
              r5 = "?=";
              pos += 2;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\"?=\"");
              }
            }
            if (r5 !== null) {
              r6 = parse__();
              if (r6 !== null) {
                r8 = pos;
                r9 = pos;
                r10 = parse_TERMINDENT();
                if (r10 !== null) {
                  r11 = parse_secondaryExpressionNoImplicitObjectCall();
                  if (r11 !== null) {
                    r12 = parse_DEDENT();
                    if (r12 !== null) {
                      r7 = [r10, r11, r12];
                    } else {
                      r7 = null;
                      pos = r9;
                    }
                  } else {
                    r7 = null;
                    pos = r9;
                  }
                } else {
                  r7 = null;
                  pos = r9;
                }
                if (r7 !== null) {
                  reportedPos = r8;
                  r7 = (function(e) { return e; })(r11);
                }
                if (r7 === null) {
                  pos = r8;
                }
                if (r7 === null) {
                  r8 = pos;
                  r9 = pos;
                  r10 = parse_TERMINATOR();
                  r10 = r10 !== null ? r10 : "";
                  if (r10 !== null) {
                    r11 = parse__();
                    if (r11 !== null) {
                      r12 = parse_secondaryExpressionNoImplicitObjectCall();
                      if (r12 !== null) {
                        r7 = [r10, r11, r12];
                      } else {
                        r7 = null;
                        pos = r9;
                      }
                    } else {
                      r7 = null;
                      pos = r9;
                    }
                  } else {
                    r7 = null;
                    pos = r9;
                  }
                  if (r7 !== null) {
                    reportedPos = r8;
                    r7 = (function(e) { return e; })(r12);
                  }
                  if (r7 === null) {
                    pos = r8;
                  }
                }
                if (r7 !== null) {
                  r0 = [r3, r4, r5, r6, r7];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(left, right) {
                return rp(new CS.CompoundAssignOp(constructorLookup['?'].prototype.className, left, right));
              })(r3, r7);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_binaryExpression() {
        var cacheKey = "binaryExpression@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_prefixExpression();
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r7 = pos;
          r8 = parse__();
          if (r8 !== null) {
            r9 = parse_binaryOperator();
            if (r9 !== null) {
              r10 = parse_TERMINATOR();
              r10 = r10 !== null ? r10 : "";
              if (r10 !== null) {
                r11 = parse__();
                if (r11 !== null) {
                  r12 = parse_expressionworthy();
                  if (r12 === null) {
                    r12 = parse_prefixExpression();
                  }
                  if (r12 !== null) {
                    r5 = [r8, r9, r10, r11, r12];
                  } else {
                    r5 = null;
                    pos = r7;
                  }
                } else {
                  r5 = null;
                  pos = r7;
                }
              } else {
                r5 = null;
                pos = r7;
              }
            } else {
              r5 = null;
              pos = r7;
            }
          } else {
            r5 = null;
            pos = r7;
          }
          if (r5 !== null) {
            reportedPos = r6;
            r5 = (function(o, e) { return [o, e]; })(r9, r12);
          }
          if (r5 === null) {
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r7 = pos;
            r8 = parse__();
            if (r8 !== null) {
              r9 = parse_binaryOperator();
              if (r9 !== null) {
                r10 = parse_TERMINATOR();
                r10 = r10 !== null ? r10 : "";
                if (r10 !== null) {
                  r11 = parse__();
                  if (r11 !== null) {
                    r12 = parse_expressionworthy();
                    if (r12 === null) {
                      r12 = parse_prefixExpression();
                    }
                    if (r12 !== null) {
                      r5 = [r8, r9, r10, r11, r12];
                    } else {
                      r5 = null;
                      pos = r7;
                    }
                  } else {
                    r5 = null;
                    pos = r7;
                  }
                } else {
                  r5 = null;
                  pos = r7;
                }
              } else {
                r5 = null;
                pos = r7;
              }
            } else {
              r5 = null;
              pos = r7;
            }
            if (r5 !== null) {
              reportedPos = r6;
              r5 = (function(o, e) { return [o, e]; })(r9, r12);
            }
            if (r5 === null) {
              pos = r6;
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(left, rights) {
              switch(rights.length) {
                case 0: return left;
                case 1: return rp(new constructorLookup[rights[0][0]](left, rights[0][1]));
                default: return rp(foldBinaryExpr([].concat.apply([left], rights)));
              }
            })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_binaryOperator() {
        var cacheKey = "binaryOperator@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_CompoundAssignmentOperators();
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          if (input.charCodeAt(pos) === 61) {
            r4 = "=";
            pos++;
          } else {
            r4 = null;
            if (reportFailures === 0) {
              matchFailed("\"=\"");
            }
          }
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        if (r0 === null) {
          if (input.substr(pos, 2) === "<=") {
            r0 = "<=";
            pos += 2;
          } else {
            r0 = null;
            if (reportFailures === 0) {
              matchFailed("\"<=\"");
            }
          }
          if (r0 === null) {
            if (input.substr(pos, 2) === ">=") {
              r0 = ">=";
              pos += 2;
            } else {
              r0 = null;
              if (reportFailures === 0) {
                matchFailed("\">=\"");
              }
            }
            if (r0 === null) {
              if (input.charCodeAt(pos) === 60) {
                r0 = "<";
                pos++;
              } else {
                r0 = null;
                if (reportFailures === 0) {
                  matchFailed("\"<\"");
                }
              }
              if (r0 === null) {
                if (input.charCodeAt(pos) === 62) {
                  r0 = ">";
                  pos++;
                } else {
                  r0 = null;
                  if (reportFailures === 0) {
                    matchFailed("\">\"");
                  }
                }
                if (r0 === null) {
                  if (input.substr(pos, 2) === "==") {
                    r0 = "==";
                    pos += 2;
                  } else {
                    r0 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"==\"");
                    }
                  }
                  if (r0 === null) {
                    r0 = parse_IS();
                    if (r0 === null) {
                      if (input.substr(pos, 2) === "!=") {
                        r0 = "!=";
                        pos += 2;
                      } else {
                        r0 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"!=\"");
                        }
                      }
                      if (r0 === null) {
                        r0 = parse_ISNT();
                        if (r0 === null) {
                          r0 = parse_EXTENDS();
                          if (r0 === null) {
                            r0 = parse_INSTANCEOF();
                            if (r0 === null) {
                              r0 = parse_IN();
                              if (r0 === null) {
                                r0 = parse_OF();
                                if (r0 === null) {
                                  r1 = pos;
                                  r2 = pos;
                                  r3 = parse_NOT();
                                  if (r3 !== null) {
                                    r4 = parse__();
                                    if (r4 !== null) {
                                      r5 = parse_INSTANCEOF();
                                      if (r5 === null) {
                                        r5 = parse_IN();
                                        if (r5 === null) {
                                          r5 = parse_OF();
                                        }
                                      }
                                      if (r5 !== null) {
                                        r0 = [r3, r4, r5];
                                      } else {
                                        r0 = null;
                                        pos = r2;
                                      }
                                    } else {
                                      r0 = null;
                                      pos = r2;
                                    }
                                  } else {
                                    r0 = null;
                                    pos = r2;
                                  }
                                  if (r0 !== null) {
                                    reportedPos = r1;
                                    r0 = (function(op) { return 'not ' + op;  })(r5);
                                  }
                                  if (r0 === null) {
                                    pos = r1;
                                  }
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_binaryExpressionNoImplicitObjectCall() {
        var cacheKey = "binaryExpressionNoImplicitObjectCall@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_prefixExpressionNoImplicitObjectCall();
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r7 = pos;
          r8 = parse__();
          if (r8 !== null) {
            r9 = parse_binaryOperator();
            if (r9 !== null) {
              r10 = parse_TERMINATOR();
              r10 = r10 !== null ? r10 : "";
              if (r10 !== null) {
                r11 = parse__();
                if (r11 !== null) {
                  r12 = parse_expressionworthy();
                  if (r12 === null) {
                    r12 = parse_prefixExpressionNoImplicitObjectCall();
                  }
                  if (r12 !== null) {
                    r5 = [r8, r9, r10, r11, r12];
                  } else {
                    r5 = null;
                    pos = r7;
                  }
                } else {
                  r5 = null;
                  pos = r7;
                }
              } else {
                r5 = null;
                pos = r7;
              }
            } else {
              r5 = null;
              pos = r7;
            }
          } else {
            r5 = null;
            pos = r7;
          }
          if (r5 !== null) {
            reportedPos = r6;
            r5 = (function(o, e) { return [o, e]; })(r9, r12);
          }
          if (r5 === null) {
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r7 = pos;
            r8 = parse__();
            if (r8 !== null) {
              r9 = parse_binaryOperator();
              if (r9 !== null) {
                r10 = parse_TERMINATOR();
                r10 = r10 !== null ? r10 : "";
                if (r10 !== null) {
                  r11 = parse__();
                  if (r11 !== null) {
                    r12 = parse_expressionworthy();
                    if (r12 === null) {
                      r12 = parse_prefixExpressionNoImplicitObjectCall();
                    }
                    if (r12 !== null) {
                      r5 = [r8, r9, r10, r11, r12];
                    } else {
                      r5 = null;
                      pos = r7;
                    }
                  } else {
                    r5 = null;
                    pos = r7;
                  }
                } else {
                  r5 = null;
                  pos = r7;
                }
              } else {
                r5 = null;
                pos = r7;
              }
            } else {
              r5 = null;
              pos = r7;
            }
            if (r5 !== null) {
              reportedPos = r6;
              r5 = (function(o, e) { return [o, e]; })(r9, r12);
            }
            if (r5 === null) {
              pos = r6;
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(left, rights) {
              switch(rights.length) {
                case 0: return left;
                case 1: return rp(new constructorLookup[rights[0][0]](left, rights[0][1]));
                default: return rp(foldBinaryExpr([].concat.apply([left], rights)));
              }
            })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_prefixExpression() {
        var cacheKey = "prefixExpression@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7;
        
        r0 = parse_postfixExpression();
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse_DO();
          if (r3 !== null) {
            r4 = parse__();
            if (r4 !== null) {
              r5 = parse_nfe();
              if (r5 === null) {
                r5 = parse_expressionworthy();
                if (r5 === null) {
                  r5 = parse_prefixExpression();
                }
              }
              if (r5 !== null) {
                r0 = [r3, r4, r5];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(e) { return rp(new CS.DoOp(e)); })(r5);
          }
          if (r0 === null) {
            pos = r1;
          }
          if (r0 === null) {
            r1 = pos;
            r2 = pos;
            r5 = pos;
            r6 = parse_PrefixOperators();
            if (r6 !== null) {
              r7 = parse__();
              if (r7 !== null) {
                r4 = [r6, r7];
              } else {
                r4 = null;
                pos = r5;
              }
            } else {
              r4 = null;
              pos = r5;
            }
            if (r4 !== null) {
              r3 = [];
              while (r4 !== null) {
                r3.push(r4);
                r5 = pos;
                r6 = parse_PrefixOperators();
                if (r6 !== null) {
                  r7 = parse__();
                  if (r7 !== null) {
                    r4 = [r6, r7];
                  } else {
                    r4 = null;
                    pos = r5;
                  }
                } else {
                  r4 = null;
                  pos = r5;
                }
              }
            } else {
              r3 = null;
            }
            if (r3 !== null) {
              r4 = parse_expressionworthy();
              if (r4 === null) {
                r4 = parse_prefixExpression();
              }
              if (r4 !== null) {
                r0 = [r3, r4];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
            if (r0 !== null) {
              reportedPos = r1;
              r0 = (function(ops, e) {
                  return rp(foldr(function(e, op){
                    return new prefixConstructorLookup[op[0]](e);
                  }, e, ops));
                })(r3, r4);
            }
            if (r0 === null) {
              pos = r1;
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_PrefixOperators() {
        var cacheKey = "PrefixOperators@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        if (input.substr(pos, 2) === "++") {
          r0 = "++";
          pos += 2;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            matchFailed("\"++\"");
          }
        }
        if (r0 === null) {
          if (input.substr(pos, 2) === "--") {
            r0 = "--";
            pos += 2;
          } else {
            r0 = null;
            if (reportFailures === 0) {
              matchFailed("\"--\"");
            }
          }
          if (r0 === null) {
            if (input.charCodeAt(pos) === 43) {
              r0 = "+";
              pos++;
            } else {
              r0 = null;
              if (reportFailures === 0) {
                matchFailed("\"+\"");
              }
            }
            if (r0 === null) {
              if (input.charCodeAt(pos) === 45) {
                r0 = "-";
                pos++;
              } else {
                r0 = null;
                if (reportFailures === 0) {
                  matchFailed("\"-\"");
                }
              }
              if (r0 === null) {
                if (input.charCodeAt(pos) === 33) {
                  r0 = "!";
                  pos++;
                } else {
                  r0 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"!\"");
                  }
                }
                if (r0 === null) {
                  r0 = parse_NOT();
                  if (r0 === null) {
                    if (input.charCodeAt(pos) === 126) {
                      r0 = "~";
                      pos++;
                    } else {
                      r0 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"~\"");
                      }
                    }
                    if (r0 === null) {
                      r0 = parse_DO();
                      if (r0 === null) {
                        r0 = parse_TYPEOF();
                        if (r0 === null) {
                          r0 = parse_DELETE();
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_nfe() {
        var cacheKey = "nfe@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8;
        
        r1 = pos;
        r2 = pos;
        r4 = pos;
        reportFailures++;
        r3 = parse_unassignable();
        reportFailures--;
        if (r3 === null) {
          r3 = "";
        } else {
          r3 = null;
          pos = r4;
        }
        if (r3 !== null) {
          r4 = parse_Assignable();
          if (r4 !== null) {
            r5 = parse__();
            if (r5 !== null) {
              if (input.charCodeAt(pos) === 61) {
                r6 = "=";
                pos++;
              } else {
                r6 = null;
                if (reportFailures === 0) {
                  matchFailed("\"=\"");
                }
              }
              if (r6 !== null) {
                r7 = parse__();
                if (r7 !== null) {
                  r8 = parse_functionLiteral();
                  if (r8 !== null) {
                    r0 = [r3, r4, r5, r6, r7, r8];
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(a, f) { return rp(new CS.AssignOp(a, f)); })(r4, r8);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_prefixExpressionNoImplicitObjectCall() {
        var cacheKey = "prefixExpressionNoImplicitObjectCall@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7;
        
        r0 = parse_postfixExpressionNoImplicitObjectCall();
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse_DO();
          if (r3 !== null) {
            r4 = parse__();
            if (r4 !== null) {
              r5 = parse_nfe();
              if (r5 === null) {
                r5 = parse_expressionworthy();
                if (r5 === null) {
                  r5 = parse_prefixExpressionNoImplicitObjectCall();
                }
              }
              if (r5 !== null) {
                r0 = [r3, r4, r5];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(e) { return rp(new CS.DoOp(e)); })(r5);
          }
          if (r0 === null) {
            pos = r1;
          }
          if (r0 === null) {
            r1 = pos;
            r2 = pos;
            r5 = pos;
            r6 = parse_PrefixOperators();
            if (r6 !== null) {
              r7 = parse__();
              if (r7 !== null) {
                r4 = [r6, r7];
              } else {
                r4 = null;
                pos = r5;
              }
            } else {
              r4 = null;
              pos = r5;
            }
            if (r4 !== null) {
              r3 = [];
              while (r4 !== null) {
                r3.push(r4);
                r5 = pos;
                r6 = parse_PrefixOperators();
                if (r6 !== null) {
                  r7 = parse__();
                  if (r7 !== null) {
                    r4 = [r6, r7];
                  } else {
                    r4 = null;
                    pos = r5;
                  }
                } else {
                  r4 = null;
                  pos = r5;
                }
              }
            } else {
              r3 = null;
            }
            if (r3 !== null) {
              r4 = parse_expressionworthy();
              if (r4 === null) {
                r4 = parse_prefixExpressionNoImplicitObjectCall();
              }
              if (r4 !== null) {
                r0 = [r3, r4];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
            if (r0 !== null) {
              reportedPos = r1;
              r0 = (function(ops, e) {
                  return rp(foldr(function(e, op){
                    return new prefixConstructorLookup[op[0]](e);
                  }, e, ops));
                })(r3, r4);
            }
            if (r0 === null) {
              pos = r1;
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_postfixExpression() {
        var cacheKey = "postfixExpression@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_leftHandSideExpression();
        if (r3 !== null) {
          r4 = [];
          r5 = parse_PostfixOperators();
          while (r5 !== null) {
            r4.push(r5);
            r5 = parse_PostfixOperators();
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, ops) {
              return rp(foldl(function(e, op){
                return new postfixConstructorLookup[op](e);
              }, e, ops));
            })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_PostfixOperators() {
        var cacheKey = "PostfixOperators@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        if (input.charCodeAt(pos) === 63) {
          r0 = "?";
          pos++;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            matchFailed("\"?\"");
          }
        }
        if (r0 === null) {
          if (input.substr(pos, 4) === "[..]") {
            r0 = "[..]";
            pos += 4;
          } else {
            r0 = null;
            if (reportFailures === 0) {
              matchFailed("\"[..]\"");
            }
          }
          if (r0 === null) {
            if (input.substr(pos, 2) === "++") {
              r0 = "++";
              pos += 2;
            } else {
              r0 = null;
              if (reportFailures === 0) {
                matchFailed("\"++\"");
              }
            }
            if (r0 === null) {
              if (input.substr(pos, 2) === "--") {
                r0 = "--";
                pos += 2;
              } else {
                r0 = null;
                if (reportFailures === 0) {
                  matchFailed("\"--\"");
                }
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_postfixExpressionNoImplicitObjectCall() {
        var cacheKey = "postfixExpressionNoImplicitObjectCall@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_leftHandSideExpressionNoImplicitObjectCall();
        if (r3 !== null) {
          r4 = [];
          r5 = parse_PostfixOperators();
          while (r5 !== null) {
            r4.push(r5);
            r5 = parse_PostfixOperators();
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, ops) {
              return rp(foldl(function(e, op){
                return new postfixConstructorLookup[op](e);
              }, e, ops));
            })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_leftHandSideExpression() {
        var cacheKey = "leftHandSideExpression@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_callExpression();
        if (r0 === null) {
          r0 = parse_newExpression();
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_argumentList() {
        var cacheKey = "argumentList@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8;
        
        r1 = pos;
        r2 = pos;
        if (input.charCodeAt(pos) === 63) {
          r3 = "?";
          pos++;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"?\"");
          }
        }
        r3 = r3 !== null ? r3 : "";
        if (r3 !== null) {
          if (input.charCodeAt(pos) === 40) {
            r4 = "(";
            pos++;
          } else {
            r4 = null;
            if (reportFailures === 0) {
              matchFailed("\"(\"");
            }
          }
          if (r4 !== null) {
            r5 = parse__();
            if (r5 !== null) {
              r6 = parse_argumentListContents();
              r6 = r6 !== null ? r6 : "";
              if (r6 !== null) {
                r7 = parse__();
                if (r7 !== null) {
                  if (input.charCodeAt(pos) === 41) {
                    r8 = ")";
                    pos++;
                  } else {
                    r8 = null;
                    if (reportFailures === 0) {
                      matchFailed("\")\"");
                    }
                  }
                  if (r8 !== null) {
                    r0 = [r3, r4, r5, r6, r7, r8];
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(soaked, a) {
                return rp(
                  { op: soaked ? CS.SoakedFunctionApplication : CS.FunctionApplication
                  , operands: [a || []]
                  }
                );
              })(r3, r6);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_argumentListContents() {
        var cacheKey = "argumentListContents@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_argument();
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r7 = parse__();
          if (r7 !== null) {
            if (input.charCodeAt(pos) === 44) {
              r8 = ",";
              pos++;
            } else {
              r8 = null;
              if (reportFailures === 0) {
                matchFailed("\",\"");
              }
            }
            if (r8 === null) {
              r8 = parse_TERMINATOR();
            }
            if (r8 !== null) {
              r9 = parse__();
              if (r9 !== null) {
                r10 = parse_argument();
                if (r10 !== null) {
                  r5 = [r7, r8, r9, r10];
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          } else {
            r5 = null;
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r7 = parse__();
            if (r7 !== null) {
              if (input.charCodeAt(pos) === 44) {
                r8 = ",";
                pos++;
              } else {
                r8 = null;
                if (reportFailures === 0) {
                  matchFailed("\",\"");
                }
              }
              if (r8 === null) {
                r8 = parse_TERMINATOR();
              }
              if (r8 !== null) {
                r9 = parse__();
                if (r9 !== null) {
                  r10 = parse_argument();
                  if (r10 !== null) {
                    r5 = [r7, r8, r9, r10];
                  } else {
                    r5 = null;
                    pos = r6;
                  }
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          }
          if (r4 !== null) {
            if (input.charCodeAt(pos) === 44) {
              r5 = ",";
              pos++;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\",\"");
              }
            }
            if (r5 === null) {
              r5 = parse_TERMINATOR();
            }
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, es) {
                return [e].concat(es.map(function(e){ return e[3]; }));
              })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse_TERMINDENT();
          if (r3 !== null) {
            r4 = parse_argumentListContents();
            if (r4 !== null) {
              r5 = parse_DEDENT();
              if (r5 !== null) {
                r6 = parse_TERMINATOR();
                r6 = r6 !== null ? r6 : "";
                if (r6 !== null) {
                  r0 = [r3, r4, r5, r6];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(a) { return a; })(r4);
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_argument() {
        var cacheKey = "argument@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_spread();
        if (r0 === null) {
          r0 = parse_expression();
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_secondaryArgumentList() {
        var cacheKey = "secondaryArgumentList@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14;
        
        r1 = pos;
        r2 = pos;
        r3 = parse___();
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r6 = pos;
          if (/^[+-\/]/.test(input.charAt(pos))) {
            r7 = input.charAt(pos);
            pos++;
          } else {
            r7 = null;
            if (reportFailures === 0) {
              matchFailed("[+-\\/]");
            }
          }
          if (r7 !== null) {
            r8 = parse___();
            if (r8 !== null) {
              r4 = [r7, r8];
            } else {
              r4 = null;
              pos = r6;
            }
          } else {
            r4 = null;
            pos = r6;
          }
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r5 = parse_secondaryArgument();
            if (r5 !== null) {
              r6 = [];
              r8 = pos;
              r9 = parse__();
              if (r9 !== null) {
                if (input.charCodeAt(pos) === 44) {
                  r10 = ",";
                  pos++;
                } else {
                  r10 = null;
                  if (reportFailures === 0) {
                    matchFailed("\",\"");
                  }
                }
                if (r10 !== null) {
                  r11 = parse__();
                  if (r11 !== null) {
                    r12 = parse_TERMINATOR();
                    r12 = r12 !== null ? r12 : "";
                    if (r12 !== null) {
                      r13 = parse__();
                      if (r13 !== null) {
                        r14 = parse_secondaryArgument();
                        if (r14 !== null) {
                          r7 = [r9, r10, r11, r12, r13, r14];
                        } else {
                          r7 = null;
                          pos = r8;
                        }
                      } else {
                        r7 = null;
                        pos = r8;
                      }
                    } else {
                      r7 = null;
                      pos = r8;
                    }
                  } else {
                    r7 = null;
                    pos = r8;
                  }
                } else {
                  r7 = null;
                  pos = r8;
                }
              } else {
                r7 = null;
                pos = r8;
              }
              while (r7 !== null) {
                r6.push(r7);
                r8 = pos;
                r9 = parse__();
                if (r9 !== null) {
                  if (input.charCodeAt(pos) === 44) {
                    r10 = ",";
                    pos++;
                  } else {
                    r10 = null;
                    if (reportFailures === 0) {
                      matchFailed("\",\"");
                    }
                  }
                  if (r10 !== null) {
                    r11 = parse__();
                    if (r11 !== null) {
                      r12 = parse_TERMINATOR();
                      r12 = r12 !== null ? r12 : "";
                      if (r12 !== null) {
                        r13 = parse__();
                        if (r13 !== null) {
                          r14 = parse_secondaryArgument();
                          if (r14 !== null) {
                            r7 = [r9, r10, r11, r12, r13, r14];
                          } else {
                            r7 = null;
                            pos = r8;
                          }
                        } else {
                          r7 = null;
                          pos = r8;
                        }
                      } else {
                        r7 = null;
                        pos = r8;
                      }
                    } else {
                      r7 = null;
                      pos = r8;
                    }
                  } else {
                    r7 = null;
                    pos = r8;
                  }
                } else {
                  r7 = null;
                  pos = r8;
                }
              }
              if (r6 !== null) {
                r8 = pos;
                if (input.charCodeAt(pos) === 44) {
                  r9 = ",";
                  pos++;
                } else {
                  r9 = null;
                  if (reportFailures === 0) {
                    matchFailed("\",\"");
                  }
                }
                r9 = r9 !== null ? r9 : "";
                if (r9 !== null) {
                  r10 = parse_TERMINDENT();
                  if (r10 !== null) {
                    r11 = parse_implicitObjectLiteral();
                    if (r11 !== null) {
                      r12 = parse_DEDENT();
                      if (r12 !== null) {
                        r7 = [r9, r10, r11, r12];
                      } else {
                        r7 = null;
                        pos = r8;
                      }
                    } else {
                      r7 = null;
                      pos = r8;
                    }
                  } else {
                    r7 = null;
                    pos = r8;
                  }
                } else {
                  r7 = null;
                  pos = r8;
                }
                r7 = r7 !== null ? r7 : "";
                if (r7 !== null) {
                  r0 = [r3, r4, r5, r6, r7];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, es, obj) {
                es = [e].concat(es.map(function(e){ return e[5]; }));
                if(obj) es.push(obj[2]);
                return es;
              })(r5, r6, r7);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse_TERMINDENT();
          if (r3 !== null) {
            r4 = parse_implicitObjectLiteral();
            if (r4 !== null) {
              r5 = parse_DEDENT();
              if (r5 !== null) {
                r0 = [r3, r4, r5];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(o) { return [o]; })(r4);
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_secondaryArgument() {
        var cacheKey = "secondaryArgument@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_spread();
        if (r0 === null) {
          r0 = parse_singleLineImplicitObjectLiteral();
          if (r0 === null) {
            r0 = parse_secondaryExpression();
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_leftHandSideExpressionNoImplicitObjectCall() {
        var cacheKey = "leftHandSideExpressionNoImplicitObjectCall@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_callExpressionNoImplicitObjectCall();
        if (r0 === null) {
          r0 = parse_newExpressionNoImplicitObjectCall();
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_secondaryArgumentListNoImplicitObjectCall() {
        var cacheKey = "secondaryArgumentListNoImplicitObjectCall@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14;
        
        r1 = pos;
        r2 = pos;
        r3 = parse___();
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r6 = pos;
          if (/^[+-\/]/.test(input.charAt(pos))) {
            r7 = input.charAt(pos);
            pos++;
          } else {
            r7 = null;
            if (reportFailures === 0) {
              matchFailed("[+-\\/]");
            }
          }
          if (r7 !== null) {
            r8 = parse___();
            if (r8 !== null) {
              r4 = [r7, r8];
            } else {
              r4 = null;
              pos = r6;
            }
          } else {
            r4 = null;
            pos = r6;
          }
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r5 = parse_secondaryArgumentNoImplicitObjectCall();
            if (r5 !== null) {
              r6 = [];
              r8 = pos;
              r9 = parse__();
              if (r9 !== null) {
                if (input.charCodeAt(pos) === 44) {
                  r10 = ",";
                  pos++;
                } else {
                  r10 = null;
                  if (reportFailures === 0) {
                    matchFailed("\",\"");
                  }
                }
                if (r10 !== null) {
                  r11 = parse__();
                  if (r11 !== null) {
                    r12 = parse_TERMINATOR();
                    r12 = r12 !== null ? r12 : "";
                    if (r12 !== null) {
                      r13 = parse__();
                      if (r13 !== null) {
                        r14 = parse_secondaryArgumentNoImplicitObjectCall();
                        if (r14 !== null) {
                          r7 = [r9, r10, r11, r12, r13, r14];
                        } else {
                          r7 = null;
                          pos = r8;
                        }
                      } else {
                        r7 = null;
                        pos = r8;
                      }
                    } else {
                      r7 = null;
                      pos = r8;
                    }
                  } else {
                    r7 = null;
                    pos = r8;
                  }
                } else {
                  r7 = null;
                  pos = r8;
                }
              } else {
                r7 = null;
                pos = r8;
              }
              while (r7 !== null) {
                r6.push(r7);
                r8 = pos;
                r9 = parse__();
                if (r9 !== null) {
                  if (input.charCodeAt(pos) === 44) {
                    r10 = ",";
                    pos++;
                  } else {
                    r10 = null;
                    if (reportFailures === 0) {
                      matchFailed("\",\"");
                    }
                  }
                  if (r10 !== null) {
                    r11 = parse__();
                    if (r11 !== null) {
                      r12 = parse_TERMINATOR();
                      r12 = r12 !== null ? r12 : "";
                      if (r12 !== null) {
                        r13 = parse__();
                        if (r13 !== null) {
                          r14 = parse_secondaryArgumentNoImplicitObjectCall();
                          if (r14 !== null) {
                            r7 = [r9, r10, r11, r12, r13, r14];
                          } else {
                            r7 = null;
                            pos = r8;
                          }
                        } else {
                          r7 = null;
                          pos = r8;
                        }
                      } else {
                        r7 = null;
                        pos = r8;
                      }
                    } else {
                      r7 = null;
                      pos = r8;
                    }
                  } else {
                    r7 = null;
                    pos = r8;
                  }
                } else {
                  r7 = null;
                  pos = r8;
                }
              }
              if (r6 !== null) {
                r0 = [r3, r4, r5, r6];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, es) {
                es = [e].concat(es.map(function(e){ return e[5]; }));
                return es;
              })(r5, r6);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_secondaryArgumentNoImplicitObjectCall() {
        var cacheKey = "secondaryArgumentNoImplicitObjectCall@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_spreadNoImplicitObjectCall();
        if (r0 === null) {
          r0 = parse_secondaryExpressionNoImplicitObjectCall();
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_callExpression() {
        var cacheKey = "callExpression@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_memberExpression();
        if (r3 !== null) {
          r4 = parse_callExpressionAccesses();
          r4 = r4 !== null ? r4 : "";
          if (r4 !== null) {
            r6 = pos;
            if (input.charCodeAt(pos) === 63) {
              r7 = "?";
              pos++;
            } else {
              r7 = null;
              if (reportFailures === 0) {
                matchFailed("\"?\"");
              }
            }
            r7 = r7 !== null ? r7 : "";
            if (r7 !== null) {
              r8 = parse_secondaryArgumentList();
              if (r8 !== null) {
                r5 = [r7, r8];
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(fn, accesses, secondaryArgs) {
              if(accesses) fn = createMemberExpression(fn, accesses);
              var soaked, secondaryCtor;
              if(secondaryArgs) {
                soaked = secondaryArgs[0];
                secondaryCtor = soaked ? CS.SoakedFunctionApplication : CS.FunctionApplication;
                fn = rp(new secondaryCtor(fn, secondaryArgs[1]));
              }
              return fn;
            })(r3, r4, r5);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_callExpressionAccesses() {
        var cacheKey = "callExpressionAccesses@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_TERMINDENT();
        if (r3 !== null) {
          r4 = parse_callExpressionAccesses();
          if (r4 !== null) {
            r5 = parse_DEDENT();
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(as) { return as; })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r4 = parse_argumentList();
          if (r4 === null) {
            r4 = parse_MemberAccessOps();
          }
          if (r4 !== null) {
            r3 = [];
            while (r4 !== null) {
              r3.push(r4);
              r4 = parse_argumentList();
              if (r4 === null) {
                r4 = parse_MemberAccessOps();
              }
            }
          } else {
            r3 = null;
          }
          if (r3 !== null) {
            r4 = parse_callExpressionAccesses();
            r4 = r4 !== null ? r4 : "";
            if (r4 !== null) {
              r0 = [r3, r4];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(as, bs) { return as.concat(bs || []); })(r3, r4);
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_callExpressionNoImplicitObjectCall() {
        var cacheKey = "callExpressionNoImplicitObjectCall@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_memberExpressionNoImplicitObjectCall();
        if (r3 !== null) {
          r4 = [];
          r5 = parse_argumentList();
          if (r5 === null) {
            r5 = parse_MemberAccessOps();
          }
          while (r5 !== null) {
            r4.push(r5);
            r5 = parse_argumentList();
            if (r5 === null) {
              r5 = parse_MemberAccessOps();
            }
          }
          if (r4 !== null) {
            r6 = pos;
            if (input.charCodeAt(pos) === 63) {
              r7 = "?";
              pos++;
            } else {
              r7 = null;
              if (reportFailures === 0) {
                matchFailed("\"?\"");
              }
            }
            r7 = r7 !== null ? r7 : "";
            if (r7 !== null) {
              r8 = parse_secondaryArgumentListNoImplicitObjectCall();
              if (r8 !== null) {
                r5 = [r7, r8];
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(fn, accesses, secondaryArgs) {
              if(accesses) fn = createMemberExpression(fn, accesses);
              var soaked, secondaryCtor;
              if(secondaryArgs) {
                soaked = secondaryArgs[0];
                secondaryCtor = soaked ? CS.SoakedFunctionApplication : CS.FunctionApplication;
                fn = rp(new secondaryCtor(fn, secondaryArgs[1]));
              }
              return fn;
            })(r3, r4, r5);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_newExpression() {
        var cacheKey = "newExpression@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r0 = parse_memberExpression();
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse_NEW();
          if (r3 !== null) {
            r4 = parse___();
            if (r4 !== null) {
              r5 = parse_expressionworthy();
              if (r5 === null) {
                r5 = parse_newExpression();
                if (r5 === null) {
                  r5 = parse_prefixExpression();
                }
              }
              if (r5 !== null) {
                r0 = [r3, r4, r5];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(e) {
                return rp(new CS.NewOp(e, []));
              })(r5);
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_newExpressionNoImplicitObjectCall() {
        var cacheKey = "newExpressionNoImplicitObjectCall@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r0 = parse_memberExpressionNoImplicitObjectCall();
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse_NEW();
          if (r3 !== null) {
            r4 = parse___();
            if (r4 !== null) {
              r5 = parse_expressionworthy();
              if (r5 === null) {
                r5 = parse_newExpressionNoImplicitObjectCall();
                if (r5 === null) {
                  r5 = parse_prefixExpressionNoImplicitObjectCall();
                }
              }
              if (r5 !== null) {
                r0 = [r3, r4, r5];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(e) {
                return rp(new CS.NewOp(e, []));
              })(r5);
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_memberExpression() {
        var cacheKey = "memberExpression@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_primaryExpression();
        if (r3 === null) {
          r4 = pos;
          r5 = pos;
          r6 = parse_NEW();
          if (r6 !== null) {
            r7 = parse___();
            if (r7 !== null) {
              r8 = parse_memberExpression();
              if (r8 !== null) {
                r9 = parse_argumentList();
                if (r9 !== null) {
                  r3 = [r6, r7, r8, r9];
                } else {
                  r3 = null;
                  pos = r5;
                }
              } else {
                r3 = null;
                pos = r5;
              }
            } else {
              r3 = null;
              pos = r5;
            }
          } else {
            r3 = null;
            pos = r5;
          }
          if (r3 !== null) {
            reportedPos = r4;
            r3 = (function(e, args) { return rp(new CS.NewOp(e, args.operands[0])); })(r8, r9);
          }
          if (r3 === null) {
            pos = r4;
          }
        }
        if (r3 !== null) {
          r4 = [];
          r5 = parse_MemberAccessOps();
          while (r5 !== null) {
            r4.push(r5);
            r5 = parse_MemberAccessOps();
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, accesses) {
              return createMemberExpression(e, accesses || []);
            })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse_NEW();
          if (r3 !== null) {
            r4 = parse___();
            if (r4 !== null) {
              r5 = parse_memberExpression();
              if (r5 !== null) {
                r6 = parse_secondaryArgumentList();
                if (r6 !== null) {
                  r0 = [r3, r4, r5, r6];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(e, args) {
                return rp(new CS.NewOp(e, args));
              })(r5, r6);
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_memberAccess() {
        var cacheKey = "memberAccess@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_primaryExpression();
        if (r3 === null) {
          r4 = pos;
          r5 = pos;
          r6 = parse_NEW();
          if (r6 !== null) {
            r7 = parse___();
            if (r7 !== null) {
              r8 = parse_memberExpression();
              if (r8 !== null) {
                r9 = parse_argumentList();
                if (r9 !== null) {
                  r3 = [r6, r7, r8, r9];
                } else {
                  r3 = null;
                  pos = r5;
                }
              } else {
                r3 = null;
                pos = r5;
              }
            } else {
              r3 = null;
              pos = r5;
            }
          } else {
            r3 = null;
            pos = r5;
          }
          if (r3 !== null) {
            reportedPos = r4;
            r3 = (function(e, args) { return rp(new CS.NewOp(e, args.operands[0])); })(r8, r9);
          }
          if (r3 === null) {
            pos = r4;
          }
        }
        if (r3 !== null) {
          r6 = pos;
          r7 = parse_argumentList();
          if (r7 !== null) {
            r8 = parse_MemberAccessOps();
            if (r8 !== null) {
              r5 = [r7, r8];
            } else {
              r5 = null;
              pos = r6;
            }
          } else {
            r5 = null;
            pos = r6;
          }
          if (r5 === null) {
            r5 = parse_MemberAccessOps();
          }
          if (r5 !== null) {
            r4 = [];
            while (r5 !== null) {
              r4.push(r5);
              r6 = pos;
              r7 = parse_argumentList();
              if (r7 !== null) {
                r8 = parse_MemberAccessOps();
                if (r8 !== null) {
                  r5 = [r7, r8];
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
              if (r5 === null) {
                r5 = parse_MemberAccessOps();
              }
            }
          } else {
            r4 = null;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, accesses) {
                var acc = foldl(function(memo, a){ return memo.concat(a); }, [], accesses);
                return createMemberExpression(e, acc);
              })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_MemberAccessOps() {
        var cacheKey = "MemberAccessOps@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_TERMINDENT();
        if (r3 !== null) {
          if (input.charCodeAt(pos) === 46) {
            r4 = ".";
            pos++;
          } else {
            r4 = null;
            if (reportFailures === 0) {
              matchFailed("\".\"");
            }
          }
          if (r4 !== null) {
            r5 = parse__();
            if (r5 !== null) {
              r6 = parse_identifierName();
              if (r6 !== null) {
                r7 = [];
                r8 = parse_MemberAccessOps();
                while (r8 !== null) {
                  r7.push(r8);
                  r8 = parse_MemberAccessOps();
                }
                if (r7 !== null) {
                  r8 = parse_DEDENT();
                  if (r8 !== null) {
                    r0 = [r3, r4, r5, r6, r7, r8];
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e) { return rp({op: CS.MemberAccessOp, operands: [e]}); })(r6);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse_TERMINATOR();
          r3 = r3 !== null ? r3 : "";
          if (r3 !== null) {
            r4 = parse__();
            if (r4 !== null) {
              if (input.charCodeAt(pos) === 46) {
                r5 = ".";
                pos++;
              } else {
                r5 = null;
                if (reportFailures === 0) {
                  matchFailed("\".\"");
                }
              }
              if (r5 !== null) {
                r6 = parse_TERMINATOR();
                r6 = r6 !== null ? r6 : "";
                if (r6 !== null) {
                  r7 = parse__();
                  if (r7 !== null) {
                    r8 = parse_identifierName();
                    if (r8 !== null) {
                      r0 = [r3, r4, r5, r6, r7, r8];
                    } else {
                      r0 = null;
                      pos = r2;
                    }
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(e) { return rp({op: CS.MemberAccessOp, operands: [e]}); })(r8);
          }
          if (r0 === null) {
            pos = r1;
          }
          if (r0 === null) {
            r1 = pos;
            r2 = pos;
            if (input.substr(pos, 2) === "?.") {
              r3 = "?.";
              pos += 2;
            } else {
              r3 = null;
              if (reportFailures === 0) {
                matchFailed("\"?.\"");
              }
            }
            if (r3 !== null) {
              r4 = parse__();
              if (r4 !== null) {
                r5 = parse_identifierName();
                if (r5 !== null) {
                  r0 = [r3, r4, r5];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
            if (r0 !== null) {
              reportedPos = r1;
              r0 = (function(e) { return rp({op: CS.SoakedMemberAccessOp, operands: [e]}); })(r5);
            }
            if (r0 === null) {
              pos = r1;
            }
            if (r0 === null) {
              r1 = pos;
              r2 = pos;
              if (input.substr(pos, 2) === "*.") {
                r3 = "*.";
                pos += 2;
              } else {
                r3 = null;
                if (reportFailures === 0) {
                  matchFailed("\"*.\"");
                }
              }
              if (r3 !== null) {
                r4 = parse__();
                if (r4 !== null) {
                  r5 = parse_identifierName();
                  if (r5 !== null) {
                    r0 = [r3, r4, r5];
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
              if (r0 !== null) {
                reportedPos = r1;
                r0 = (function(e) { return rp({op: CS.NativeMemberAccessOp, operands: [e]}); })(r5);
              }
              if (r0 === null) {
                pos = r1;
              }
              if (r0 === null) {
                r1 = pos;
                r2 = pos;
                if (input.charCodeAt(pos) === 91) {
                  r3 = "[";
                  pos++;
                } else {
                  r3 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"[\"");
                  }
                }
                if (r3 !== null) {
                  r4 = parse__();
                  if (r4 !== null) {
                    r5 = parse_expression();
                    if (r5 !== null) {
                      r6 = parse__();
                      if (r6 !== null) {
                        if (input.charCodeAt(pos) === 93) {
                          r7 = "]";
                          pos++;
                        } else {
                          r7 = null;
                          if (reportFailures === 0) {
                            matchFailed("\"]\"");
                          }
                        }
                        if (r7 !== null) {
                          r0 = [r3, r4, r5, r6, r7];
                        } else {
                          r0 = null;
                          pos = r2;
                        }
                      } else {
                        r0 = null;
                        pos = r2;
                      }
                    } else {
                      r0 = null;
                      pos = r2;
                    }
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
                if (r0 !== null) {
                  reportedPos = r1;
                  r0 = (function(e) { return rp({op: CS.DynamicMemberAccessOp, operands: [e]}); })(r5);
                }
                if (r0 === null) {
                  pos = r1;
                }
                if (r0 === null) {
                  r1 = pos;
                  r2 = pos;
                  if (input.substr(pos, 2) === "?[") {
                    r3 = "?[";
                    pos += 2;
                  } else {
                    r3 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"?[\"");
                    }
                  }
                  if (r3 !== null) {
                    r4 = parse__();
                    if (r4 !== null) {
                      r5 = parse_expression();
                      if (r5 !== null) {
                        r6 = parse__();
                        if (r6 !== null) {
                          if (input.charCodeAt(pos) === 93) {
                            r7 = "]";
                            pos++;
                          } else {
                            r7 = null;
                            if (reportFailures === 0) {
                              matchFailed("\"]\"");
                            }
                          }
                          if (r7 !== null) {
                            r0 = [r3, r4, r5, r6, r7];
                          } else {
                            r0 = null;
                            pos = r2;
                          }
                        } else {
                          r0 = null;
                          pos = r2;
                        }
                      } else {
                        r0 = null;
                        pos = r2;
                      }
                    } else {
                      r0 = null;
                      pos = r2;
                    }
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                  if (r0 !== null) {
                    reportedPos = r1;
                    r0 = (function(e) { return rp({op: CS.SoakedDynamicMemberAccessOp, operands: [e]}); })(r5);
                  }
                  if (r0 === null) {
                    pos = r1;
                  }
                  if (r0 === null) {
                    r1 = pos;
                    r2 = pos;
                    if (input.substr(pos, 2) === "::") {
                      r3 = "::";
                      pos += 2;
                    } else {
                      r3 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"::\"");
                      }
                    }
                    if (r3 !== null) {
                      r4 = parse__();
                      if (r4 !== null) {
                        r5 = parse_identifierName();
                        if (r5 !== null) {
                          r0 = [r3, r4, r5];
                        } else {
                          r0 = null;
                          pos = r2;
                        }
                      } else {
                        r0 = null;
                        pos = r2;
                      }
                    } else {
                      r0 = null;
                      pos = r2;
                    }
                    if (r0 !== null) {
                      reportedPos = r1;
                      r0 = (function(e) { return rp({op: CS.ProtoMemberAccessOp, operands: [e]}); })(r5);
                    }
                    if (r0 === null) {
                      pos = r1;
                    }
                    if (r0 === null) {
                      r1 = pos;
                      r2 = pos;
                      if (input.substr(pos, 3) === "::[") {
                        r3 = "::[";
                        pos += 3;
                      } else {
                        r3 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"::[\"");
                        }
                      }
                      if (r3 !== null) {
                        r4 = parse__();
                        if (r4 !== null) {
                          r5 = parse_expression();
                          if (r5 !== null) {
                            r6 = parse__();
                            if (r6 !== null) {
                              if (input.charCodeAt(pos) === 93) {
                                r7 = "]";
                                pos++;
                              } else {
                                r7 = null;
                                if (reportFailures === 0) {
                                  matchFailed("\"]\"");
                                }
                              }
                              if (r7 !== null) {
                                r0 = [r3, r4, r5, r6, r7];
                              } else {
                                r0 = null;
                                pos = r2;
                              }
                            } else {
                              r0 = null;
                              pos = r2;
                            }
                          } else {
                            r0 = null;
                            pos = r2;
                          }
                        } else {
                          r0 = null;
                          pos = r2;
                        }
                      } else {
                        r0 = null;
                        pos = r2;
                      }
                      if (r0 !== null) {
                        reportedPos = r1;
                        r0 = (function(e) { return rp({op: CS.DynamicProtoMemberAccessOp, operands: [e]}); })(r5);
                      }
                      if (r0 === null) {
                        pos = r1;
                      }
                      if (r0 === null) {
                        r1 = pos;
                        r2 = pos;
                        if (input.substr(pos, 3) === "?::") {
                          r3 = "?::";
                          pos += 3;
                        } else {
                          r3 = null;
                          if (reportFailures === 0) {
                            matchFailed("\"?::\"");
                          }
                        }
                        if (r3 !== null) {
                          r4 = parse__();
                          if (r4 !== null) {
                            r5 = parse_identifierName();
                            if (r5 !== null) {
                              r0 = [r3, r4, r5];
                            } else {
                              r0 = null;
                              pos = r2;
                            }
                          } else {
                            r0 = null;
                            pos = r2;
                          }
                        } else {
                          r0 = null;
                          pos = r2;
                        }
                        if (r0 !== null) {
                          reportedPos = r1;
                          r0 = (function(e) { return rp({op: CS.SoakedProtoMemberAccessOp, operands: [e]}); })(r5);
                        }
                        if (r0 === null) {
                          pos = r1;
                        }
                        if (r0 === null) {
                          r1 = pos;
                          r2 = pos;
                          if (input.substr(pos, 4) === "?::[") {
                            r3 = "?::[";
                            pos += 4;
                          } else {
                            r3 = null;
                            if (reportFailures === 0) {
                              matchFailed("\"?::[\"");
                            }
                          }
                          if (r3 !== null) {
                            r4 = parse__();
                            if (r4 !== null) {
                              r5 = parse_expression();
                              if (r5 !== null) {
                                r6 = parse__();
                                if (r6 !== null) {
                                  if (input.charCodeAt(pos) === 93) {
                                    r7 = "]";
                                    pos++;
                                  } else {
                                    r7 = null;
                                    if (reportFailures === 0) {
                                      matchFailed("\"]\"");
                                    }
                                  }
                                  if (r7 !== null) {
                                    r0 = [r3, r4, r5, r6, r7];
                                  } else {
                                    r0 = null;
                                    pos = r2;
                                  }
                                } else {
                                  r0 = null;
                                  pos = r2;
                                }
                              } else {
                                r0 = null;
                                pos = r2;
                              }
                            } else {
                              r0 = null;
                              pos = r2;
                            }
                          } else {
                            r0 = null;
                            pos = r2;
                          }
                          if (r0 !== null) {
                            reportedPos = r1;
                            r0 = (function(e) { return rp({op: CS.SoakedDynamicProtoMemberAccessOp, operands: [e]}); })(r5);
                          }
                          if (r0 === null) {
                            pos = r1;
                          }
                          if (r0 === null) {
                            r1 = pos;
                            r2 = pos;
                            if (input.charCodeAt(pos) === 91) {
                              r3 = "[";
                              pos++;
                            } else {
                              r3 = null;
                              if (reportFailures === 0) {
                                matchFailed("\"[\"");
                              }
                            }
                            if (r3 !== null) {
                              r4 = parse__();
                              if (r4 !== null) {
                                r5 = parse_assignmentExpression();
                                r5 = r5 !== null ? r5 : "";
                                if (r5 !== null) {
                                  r6 = parse__();
                                  if (r6 !== null) {
                                    if (input.substr(pos, 2) === "..") {
                                      r7 = "..";
                                      pos += 2;
                                    } else {
                                      r7 = null;
                                      if (reportFailures === 0) {
                                        matchFailed("\"..\"");
                                      }
                                    }
                                    if (r7 !== null) {
                                      if (input.charCodeAt(pos) === 46) {
                                        r8 = ".";
                                        pos++;
                                      } else {
                                        r8 = null;
                                        if (reportFailures === 0) {
                                          matchFailed("\".\"");
                                        }
                                      }
                                      r8 = r8 !== null ? r8 : "";
                                      if (r8 !== null) {
                                        r9 = parse__();
                                        if (r9 !== null) {
                                          r10 = parse_assignmentExpression();
                                          r10 = r10 !== null ? r10 : "";
                                          if (r10 !== null) {
                                            r11 = parse__();
                                            if (r11 !== null) {
                                              if (input.charCodeAt(pos) === 93) {
                                                r12 = "]";
                                                pos++;
                                              } else {
                                                r12 = null;
                                                if (reportFailures === 0) {
                                                  matchFailed("\"]\"");
                                                }
                                              }
                                              if (r12 !== null) {
                                                r0 = [r3, r4, r5, r6, r7, r8, r9, r10, r11, r12];
                                              } else {
                                                r0 = null;
                                                pos = r2;
                                              }
                                            } else {
                                              r0 = null;
                                              pos = r2;
                                            }
                                          } else {
                                            r0 = null;
                                            pos = r2;
                                          }
                                        } else {
                                          r0 = null;
                                          pos = r2;
                                        }
                                      } else {
                                        r0 = null;
                                        pos = r2;
                                      }
                                    } else {
                                      r0 = null;
                                      pos = r2;
                                    }
                                  } else {
                                    r0 = null;
                                    pos = r2;
                                  }
                                } else {
                                  r0 = null;
                                  pos = r2;
                                }
                              } else {
                                r0 = null;
                                pos = r2;
                              }
                            } else {
                              r0 = null;
                              pos = r2;
                            }
                            if (r0 !== null) {
                              reportedPos = r1;
                              r0 = (function(left, exclusive, right) {
                                    return rp({op: CS.Slice, operands: [!exclusive, left || null, right || null]});
                                  })(r5, r8, r10);
                            }
                            if (r0 === null) {
                              pos = r1;
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_memberExpressionNoImplicitObjectCall() {
        var cacheKey = "memberExpressionNoImplicitObjectCall@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_primaryExpression();
        if (r3 === null) {
          r4 = pos;
          r5 = pos;
          r6 = parse_NEW();
          if (r6 !== null) {
            r7 = parse___();
            if (r7 !== null) {
              r8 = parse_memberExpressionNoImplicitObjectCall();
              if (r8 !== null) {
                r9 = parse_argumentList();
                if (r9 !== null) {
                  r3 = [r6, r7, r8, r9];
                } else {
                  r3 = null;
                  pos = r5;
                }
              } else {
                r3 = null;
                pos = r5;
              }
            } else {
              r3 = null;
              pos = r5;
            }
          } else {
            r3 = null;
            pos = r5;
          }
          if (r3 !== null) {
            reportedPos = r4;
            r3 = (function(e, args) { return rp(new CS.NewOp(e, args.operands[0])); })(r8, r9);
          }
          if (r3 === null) {
            pos = r4;
          }
        }
        if (r3 !== null) {
          r4 = [];
          r5 = parse_MemberAccessOps();
          while (r5 !== null) {
            r4.push(r5);
            r5 = parse_MemberAccessOps();
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, accesses) {
              return createMemberExpression(e, accesses || []);
            })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse_NEW();
          if (r3 !== null) {
            r4 = parse___();
            if (r4 !== null) {
              r5 = parse_memberExpressionNoImplicitObjectCall();
              if (r5 !== null) {
                r6 = parse_secondaryArgumentListNoImplicitObjectCall();
                if (r6 !== null) {
                  r0 = [r3, r4, r5, r6];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(e, args) {
                return rp(new CS.NewOp(e, args));
              })(r5, r6);
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_primaryExpression() {
        var cacheKey = "primaryExpression@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9;
        
        r0 = parse_macro();
        if (r0 === null) {
          r0 = parse_Numbers();
          if (r0 === null) {
            r0 = parse_bool();
            if (r0 === null) {
              r0 = parse_null();
              if (r0 === null) {
                r0 = parse_undefined();
                if (r0 === null) {
                  r0 = parse_contextVar();
                  if (r0 === null) {
                    r1 = pos;
                    r0 = parse_SUPER();
                    if (r0 !== null) {
                      reportedPos = r1;
                      r0 = (function() { return rp(new CS.Super); })();
                    }
                    if (r0 === null) {
                      pos = r1;
                    }
                    if (r0 === null) {
                      r1 = pos;
                      r0 = parse_THIS();
                      if (r0 === null) {
                        if (input.charCodeAt(pos) === 64) {
                          r0 = "@";
                          pos++;
                        } else {
                          r0 = null;
                          if (reportFailures === 0) {
                            matchFailed("\"@\"");
                          }
                        }
                      }
                      if (r0 !== null) {
                        reportedPos = r1;
                        r0 = (function() { return rp(new CS.This); })();
                      }
                      if (r0 === null) {
                        pos = r1;
                      }
                      if (r0 === null) {
                        r0 = parse_identifier();
                        if (r0 === null) {
                          r0 = parse_range();
                          if (r0 === null) {
                            r0 = parse_arrayLiteral();
                            if (r0 === null) {
                              r0 = parse_objectLiteral();
                              if (r0 === null) {
                                r0 = parse_interpolation();
                                if (r0 === null) {
                                  r0 = parse_JSLiteral();
                                  if (r0 === null) {
                                    r0 = parse_string();
                                    if (r0 === null) {
                                      r0 = parse_regexp();
                                      if (r0 === null) {
                                        r1 = pos;
                                        r2 = pos;
                                        if (input.charCodeAt(pos) === 40) {
                                          r3 = "(";
                                          pos++;
                                        } else {
                                          r3 = null;
                                          if (reportFailures === 0) {
                                            matchFailed("\"(\"");
                                          }
                                        }
                                        if (r3 !== null) {
                                          r4 = parse_TERMINDENT();
                                          if (r4 !== null) {
                                            r5 = parse_expression();
                                            if (r5 !== null) {
                                              r6 = parse_DEDENT();
                                              if (r6 !== null) {
                                                r7 = parse_TERMINATOR();
                                                r7 = r7 !== null ? r7 : "";
                                                if (r7 !== null) {
                                                  if (input.charCodeAt(pos) === 41) {
                                                    r8 = ")";
                                                    pos++;
                                                  } else {
                                                    r8 = null;
                                                    if (reportFailures === 0) {
                                                      matchFailed("\")\"");
                                                    }
                                                  }
                                                  if (r8 !== null) {
                                                    r0 = [r3, r4, r5, r6, r7, r8];
                                                  } else {
                                                    r0 = null;
                                                    pos = r2;
                                                  }
                                                } else {
                                                  r0 = null;
                                                  pos = r2;
                                                }
                                              } else {
                                                r0 = null;
                                                pos = r2;
                                              }
                                            } else {
                                              r0 = null;
                                              pos = r2;
                                            }
                                          } else {
                                            r0 = null;
                                            pos = r2;
                                          }
                                        } else {
                                          r0 = null;
                                          pos = r2;
                                        }
                                        if (r0 !== null) {
                                          reportedPos = r1;
                                          r0 = (function(e) { return r(e.clone()); })(r5);
                                        }
                                        if (r0 === null) {
                                          pos = r1;
                                        }
                                        if (r0 === null) {
                                          r1 = pos;
                                          r2 = pos;
                                          if (input.charCodeAt(pos) === 40) {
                                            r3 = "(";
                                            pos++;
                                          } else {
                                            r3 = null;
                                            if (reportFailures === 0) {
                                              matchFailed("\"(\"");
                                            }
                                          }
                                          if (r3 !== null) {
                                            r4 = parse__();
                                            if (r4 !== null) {
                                              r5 = parse_expression();
                                              if (r5 !== null) {
                                                r6 = parse__();
                                                if (r6 !== null) {
                                                  r7 = parse_TERMINATOR();
                                                  r7 = r7 !== null ? r7 : "";
                                                  if (r7 !== null) {
                                                    r8 = parse__();
                                                    if (r8 !== null) {
                                                      if (input.charCodeAt(pos) === 41) {
                                                        r9 = ")";
                                                        pos++;
                                                      } else {
                                                        r9 = null;
                                                        if (reportFailures === 0) {
                                                          matchFailed("\")\"");
                                                        }
                                                      }
                                                      if (r9 !== null) {
                                                        r0 = [r3, r4, r5, r6, r7, r8, r9];
                                                      } else {
                                                        r0 = null;
                                                        pos = r2;
                                                      }
                                                    } else {
                                                      r0 = null;
                                                      pos = r2;
                                                    }
                                                  } else {
                                                    r0 = null;
                                                    pos = r2;
                                                  }
                                                } else {
                                                  r0 = null;
                                                  pos = r2;
                                                }
                                              } else {
                                                r0 = null;
                                                pos = r2;
                                              }
                                            } else {
                                              r0 = null;
                                              pos = r2;
                                            }
                                          } else {
                                            r0 = null;
                                            pos = r2;
                                          }
                                          if (r0 !== null) {
                                            reportedPos = r1;
                                            r0 = (function(e) { return r(e.clone()); })(r5);
                                          }
                                          if (r0 === null) {
                                            pos = r1;
                                          }
                                        }
                                      }
                                    }
                                  }
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_contextVar() {
        var cacheKey = "contextVar@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r1 = pos;
        r2 = pos;
        r4 = pos;
        if (input.charCodeAt(pos) === 64) {
          r3 = "@";
          pos++;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"@\"");
          }
        }
        if (r3 !== null) {
          reportedPos = r4;
          r3 = (function() { return rp(new CS.This); })();
        }
        if (r3 === null) {
          pos = r4;
        }
        if (r3 !== null) {
          r4 = parse_identifierName();
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(a, m) {
                return rp(new CS.MemberAccessOp(a, m));
              })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_JSLiteral() {
        var cacheKey = "JSLiteral@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6;
        
        r1 = pos;
        r2 = pos;
        if (input.charCodeAt(pos) === 96) {
          r3 = "`";
          pos++;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"`\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          r4 = [];
          if (/^[^`]/.test(input.charAt(pos))) {
            r6 = input.charAt(pos);
            pos++;
          } else {
            r6 = null;
            if (reportFailures === 0) {
              matchFailed("[^`]");
            }
          }
          while (r6 !== null) {
            r4.push(r6);
            if (/^[^`]/.test(input.charAt(pos))) {
              r6 = input.charAt(pos);
              pos++;
            } else {
              r6 = null;
              if (reportFailures === 0) {
                matchFailed("[^`]");
              }
            }
          }
          if (r4 !== null) {
            r4 = input.substring(pos, r5);
          }
          if (r4 !== null) {
            if (input.charCodeAt(pos) === 96) {
              r5 = "`";
              pos++;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\"`\"");
              }
            }
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(d) { return rp(new CS.JavaScript(d)); })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_spread() {
        var cacheKey = "spread@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_postfixExpression();
        if (r3 !== null) {
          if (input.substr(pos, 3) === "...") {
            r4 = "...";
            pos += 3;
          } else {
            r4 = null;
            if (reportFailures === 0) {
              matchFailed("\"...\"");
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e) { return rp(new CS.Spread(e)); })(r3);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_spreadNoImplicitObjectCall() {
        var cacheKey = "spreadNoImplicitObjectCall@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_postfixExpressionNoImplicitObjectCall();
        if (r3 !== null) {
          if (input.substr(pos, 3) === "...") {
            r4 = "...";
            pos += 3;
          } else {
            r4 = null;
            if (reportFailures === 0) {
              matchFailed("\"...\"");
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e) { return rp(new CS.Spread(e)); })(r3);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_conditional() {
        var cacheKey = "conditional@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_IF();
        if (r3 === null) {
          r3 = parse_UNLESS();
        }
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r5 = parse_assignmentExpressionNoImplicitObjectCall();
            if (r5 !== null) {
              r6 = parse_conditionalBody();
              if (r6 !== null) {
                r7 = parse_elseClause();
                r7 = r7 !== null ? r7 : "";
                if (r7 !== null) {
                  r0 = [r3, r4, r5, r6, r7];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(kw, cond, body, elseClause) {
              var constructor = 'unless' === kw ? CS.NegatedConditional : CS.Conditional;
              if('unless' === kw) cond = new CS.LogicalNotOp(cond).g();
              return rp(new constructor(cond, body.block, elseClause || null));
            })(r3, r5, r6, r7);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_conditionalBody() {
        var cacheKey = "conditionalBody@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7;
        
        r1 = pos;
        r2 = pos;
        r3 = parse__();
        if (r3 !== null) {
          r4 = parse_TERMINDENT();
          if (r4 !== null) {
            r5 = parse_block();
            if (r5 !== null) {
              r6 = parse_DEDENT();
              if (r6 !== null) {
                r0 = [r3, r4, r5, r6];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(b) { return {block: b}; })(r5);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse_TERMINATOR();
          r3 = r3 !== null ? r3 : "";
          if (r3 !== null) {
            r4 = parse__();
            if (r4 !== null) {
              r5 = parse_THEN();
              if (r5 !== null) {
                r6 = parse__();
                if (r6 !== null) {
                  r7 = parse_statement();
                  if (r7 !== null) {
                    r0 = [r3, r4, r5, r6, r7];
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(s) { return {block: s}; })(r7);
          }
          if (r0 === null) {
            pos = r1;
          }
          if (r0 === null) {
            r1 = pos;
            r2 = pos;
            r3 = parse__();
            if (r3 !== null) {
              r4 = parse_THEN();
              if (r4 !== null) {
                r0 = [r3, r4];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
            if (r0 !== null) {
              reportedPos = r1;
              r0 = (function() { return {block: null}; })();
            }
            if (r0 === null) {
              pos = r1;
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_elseClause() {
        var cacheKey = "elseClause@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7;
        
        r1 = pos;
        r2 = pos;
        r3 = parse__();
        if (r3 !== null) {
          r4 = parse_TERMINATOR();
          r4 = r4 !== null ? r4 : "";
          if (r4 !== null) {
            r5 = parse__();
            if (r5 !== null) {
              r6 = parse_ELSE();
              if (r6 !== null) {
                r7 = parse_functionBody();
                if (r7 !== null) {
                  r0 = [r3, r4, r5, r6, r7];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(b) { return b; })(r7);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_while() {
        var cacheKey = "while@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_WHILE();
        if (r3 === null) {
          r3 = parse_UNTIL();
        }
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r5 = parse_assignmentExpressionNoImplicitObjectCall();
            if (r5 !== null) {
              r6 = parse_conditionalBody();
              if (r6 !== null) {
                r0 = [r3, r4, r5, r6];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(kw, cond, body) {
              var constructor = 'until' === kw ? CS.NegatedWhile : CS.While;
              if('until' === kw) cond = new CS.LogicalNotOp(cond).g();
              return rp(new constructor(cond, body.block));
            })(r3, r5, r6);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_loop() {
        var cacheKey = "loop@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_LOOP();
        if (r3 !== null) {
          r4 = parse_conditionalBody();
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(body) {
              return rp(new CS.Loop(body.block));
            })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_try() {
        var cacheKey = "try@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_TRY();
        if (r3 !== null) {
          r4 = parse_tryBody();
          if (r4 !== null) {
            r5 = parse_catchClause();
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r6 = parse_finallyClause();
              r6 = r6 !== null ? r6 : "";
              if (r6 !== null) {
                r0 = [r3, r4, r5, r6];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(body, c, f) {
              return rp(new CS.Try(body.block, c ? c.assignee : null, c ? c.block : null, f ? f.block : null));
            })(r4, r5, r6);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_tryBody() {
        var cacheKey = "tryBody@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1;
        
        r1 = pos;
        r0 = parse_functionBody();
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(b) { return {block: b}; })(r0);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_catchClause() {
        var cacheKey = "catchClause@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_TERMINATOR();
        r3 = r3 !== null ? r3 : "";
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r5 = parse_CATCH();
            if (r5 !== null) {
              r6 = parse__();
              if (r6 !== null) {
                r7 = parse_Assignable();
                r7 = r7 !== null ? r7 : "";
                if (r7 !== null) {
                  r8 = parse_conditionalBody();
                  r8 = r8 !== null ? r8 : "";
                  if (r8 !== null) {
                    r0 = [r3, r4, r5, r6, r7, r8];
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, body) {
              return r({block: body ? body.block : new CS.Block([]), assignee: e || null});
            })(r7, r8);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_finallyClause() {
        var cacheKey = "finallyClause@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_TERMINATOR();
        r3 = r3 !== null ? r3 : "";
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r5 = parse_FINALLY();
            if (r5 !== null) {
              r6 = parse_tryBody();
              r6 = r6 !== null ? r6 : "";
              if (r6 !== null) {
                r0 = [r3, r4, r5, r6];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(body) {
              return r({block: body ? body.block : null});
            })(r6);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_mixin() {
        var cacheKey = "mixin@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_MIXIN();
        if (r3 !== null) {
          r5 = pos;
          r6 = parse__();
          if (r6 !== null) {
            r7 = parse_Assignable();
            if (r7 !== null) {
              r4 = [r6, r7];
            } else {
              r4 = null;
              pos = r5;
            }
          } else {
            r4 = null;
            pos = r5;
          }
          r4 = r4 !== null ? r4 : "";
          if (r4 !== null) {
            r6 = pos;
            r7 = parse__();
            if (r7 !== null) {
              r8 = parse_WITH();
              if (r8 !== null) {
                r9 = parse__();
                if (r9 !== null) {
                  r10 = parse_mixinList();
                  if (r10 !== null) {
                    r5 = [r7, r8, r9, r10];
                  } else {
                    r5 = null;
                    pos = r6;
                  }
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r7 = pos;
              r8 = parse__();
              if (r8 !== null) {
                r9 = parse_mixinBody();
                if (r9 !== null) {
                  r6 = [r8, r9];
                } else {
                  r6 = null;
                  pos = r7;
                }
              } else {
                r6 = null;
                pos = r7;
              }
              r6 = r6 !== null ? r6 : "";
              if (r6 !== null) {
                r0 = [r3, r4, r5, r6];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(name, mixins, body) {
            name = name ? name[1] : null;
            if(mixins) mixins = mixins[3];
            body = body ? body[1] : null;
            return rp(new CS.Mixin(name, body, mixins));
          })(r4, r5, r6);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_mixinList() {
        var cacheKey = "mixinList@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_secondaryExpressionNoImplicitObjectCall();
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r7 = parse__();
          if (r7 !== null) {
            r9 = pos;
            if (input.charCodeAt(pos) === 44) {
              r10 = ",";
              pos++;
            } else {
              r10 = null;
              if (reportFailures === 0) {
                matchFailed("\",\"");
              }
            }
            if (r10 !== null) {
              r11 = parse_TERMINATOR();
              r11 = r11 !== null ? r11 : "";
              if (r11 !== null) {
                r8 = [r10, r11];
              } else {
                r8 = null;
                pos = r9;
              }
            } else {
              r8 = null;
              pos = r9;
            }
            if (r8 !== null) {
              r9 = parse__();
              if (r9 !== null) {
                r10 = parse_secondaryExpressionNoImplicitObjectCall();
                if (r10 !== null) {
                  r5 = [r7, r8, r9, r10];
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          } else {
            r5 = null;
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r7 = parse__();
            if (r7 !== null) {
              r9 = pos;
              if (input.charCodeAt(pos) === 44) {
                r10 = ",";
                pos++;
              } else {
                r10 = null;
                if (reportFailures === 0) {
                  matchFailed("\",\"");
                }
              }
              if (r10 !== null) {
                r11 = parse_TERMINATOR();
                r11 = r11 !== null ? r11 : "";
                if (r11 !== null) {
                  r8 = [r10, r11];
                } else {
                  r8 = null;
                  pos = r9;
                }
              } else {
                r8 = null;
                pos = r9;
              }
              if (r8 !== null) {
                r9 = parse__();
                if (r9 !== null) {
                  r10 = parse_secondaryExpressionNoImplicitObjectCall();
                  if (r10 !== null) {
                    r5 = [r7, r8, r9, r10];
                  } else {
                    r5 = null;
                    pos = r6;
                  }
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, es) {
              return [e].concat(es.map(function(e){ return e[3]; }));
            })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_mixinBody() {
        var cacheKey = "mixinBody@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r0 = parse_objectLiteral();
        if (r0 === null) {
          r0 = parse_implicitObjectLiteral();
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse_TERMINDENT();
          if (r3 !== null) {
            r4 = parse_objectLiteral();
            if (r4 === null) {
              r4 = parse_implicitObjectLiteral();
            }
            if (r4 !== null) {
              r5 = parse_DEDENT();
              if (r5 !== null) {
                r0 = [r3, r4, r5];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(t, body, d) {
              return body;
            })(r3, r4, r5);
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_class() {
        var cacheKey = "class@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_CLASS();
        if (r3 !== null) {
          r5 = pos;
          r6 = parse__();
          if (r6 !== null) {
            r7 = parse_Assignable();
            if (r7 !== null) {
              r4 = [r6, r7];
            } else {
              r4 = null;
              pos = r5;
            }
          } else {
            r4 = null;
            pos = r5;
          }
          r4 = r4 !== null ? r4 : "";
          if (r4 !== null) {
            r6 = pos;
            r7 = parse__();
            if (r7 !== null) {
              r8 = parse_EXTENDS();
              if (r8 !== null) {
                r9 = parse__();
                if (r9 !== null) {
                  r10 = parse_secondaryExpressionNoImplicitObjectCall();
                  if (r10 !== null) {
                    r5 = [r7, r8, r9, r10];
                  } else {
                    r5 = null;
                    pos = r6;
                  }
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r7 = pos;
              r8 = parse__();
              if (r8 !== null) {
                r9 = parse_WITH();
                if (r9 !== null) {
                  r10 = parse__();
                  if (r10 !== null) {
                    r11 = parse_mixinList();
                    if (r11 !== null) {
                      r6 = [r8, r9, r10, r11];
                    } else {
                      r6 = null;
                      pos = r7;
                    }
                  } else {
                    r6 = null;
                    pos = r7;
                  }
                } else {
                  r6 = null;
                  pos = r7;
                }
              } else {
                r6 = null;
                pos = r7;
              }
              r6 = r6 !== null ? r6 : "";
              if (r6 !== null) {
                r8 = pos;
                r9 = parse__();
                if (r9 !== null) {
                  r10 = parse_mixinBody();
                  if (r10 !== null) {
                    r7 = [r9, r10];
                  } else {
                    r7 = null;
                    pos = r8;
                  }
                } else {
                  r7 = null;
                  pos = r8;
                }
                r7 = r7 !== null ? r7 : "";
                if (r7 !== null) {
                  r0 = [r3, r4, r5, r6, r7];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(name, parent, mixins, body) {
              var ctor = null;
              name = name ? name[1] : null;
              parent = parent ? parent[3] : null;
              var boundMembers = [];
              // var stmts = body.block != null ? body.block.statements || [body.block] : [];
              // for(var i = 0, l = stmts.length; i < l; ++i) {
              //   var m = stmts[i];
              //   if(m.instanceof(CS.Constructor)) {
              //     ctor = m;
              //   } else if(m.instanceof(CS.ClassProtoAssignOp) && m.expression.instanceof(CS.BoundFunction)) {
              //     boundMembers.push(m);
              //   }
              // }
              body = body ? body[1] : null;
              if(mixins) mixins = mixins[3];
              return rp(new CS.Class(name, parent, ctor, body, mixins, boundMembers));
            })(r4, r5, r6, r7);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_forOf() {
        var cacheKey = "forOf@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15, r16, r17, r18;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_FOR();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r6 = pos;
            r7 = parse_OWN();
            if (r7 !== null) {
              r8 = parse__();
              if (r8 !== null) {
                r5 = [r7, r8];
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r6 = parse_Assignable();
              if (r6 !== null) {
                r7 = parse__();
                if (r7 !== null) {
                  r9 = pos;
                  if (input.charCodeAt(pos) === 44) {
                    r10 = ",";
                    pos++;
                  } else {
                    r10 = null;
                    if (reportFailures === 0) {
                      matchFailed("\",\"");
                    }
                  }
                  if (r10 !== null) {
                    r11 = parse__();
                    if (r11 !== null) {
                      r12 = parse_Assignable();
                      if (r12 !== null) {
                        r13 = parse__();
                        if (r13 !== null) {
                          r8 = [r10, r11, r12, r13];
                        } else {
                          r8 = null;
                          pos = r9;
                        }
                      } else {
                        r8 = null;
                        pos = r9;
                      }
                    } else {
                      r8 = null;
                      pos = r9;
                    }
                  } else {
                    r8 = null;
                    pos = r9;
                  }
                  r8 = r8 !== null ? r8 : "";
                  if (r8 !== null) {
                    r9 = parse_OF();
                    if (r9 !== null) {
                      r10 = parse__();
                      if (r10 !== null) {
                        r11 = parse_assignmentExpressionNoImplicitObjectCall();
                        if (r11 !== null) {
                          r12 = parse__();
                          if (r12 !== null) {
                            r14 = pos;
                            r15 = parse_WHEN();
                            if (r15 !== null) {
                              r16 = parse__();
                              if (r16 !== null) {
                                r17 = parse_assignmentExpressionNoImplicitObjectCall();
                                if (r17 !== null) {
                                  r18 = parse__();
                                  if (r18 !== null) {
                                    r13 = [r15, r16, r17, r18];
                                  } else {
                                    r13 = null;
                                    pos = r14;
                                  }
                                } else {
                                  r13 = null;
                                  pos = r14;
                                }
                              } else {
                                r13 = null;
                                pos = r14;
                              }
                            } else {
                              r13 = null;
                              pos = r14;
                            }
                            r13 = r13 !== null ? r13 : "";
                            if (r13 !== null) {
                              r14 = parse_conditionalBody();
                              if (r14 !== null) {
                                r0 = [r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14];
                              } else {
                                r0 = null;
                                pos = r2;
                              }
                            } else {
                              r0 = null;
                              pos = r2;
                            }
                          } else {
                            r0 = null;
                            pos = r2;
                          }
                        } else {
                          r0 = null;
                          pos = r2;
                        }
                      } else {
                        r0 = null;
                        pos = r2;
                      }
                    } else {
                      r0 = null;
                      pos = r2;
                    }
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(own, key, maybeVal, obj, maybeFilter, body) {
              var val = maybeVal ? maybeVal[2] : null;
              var filter = maybeFilter ? maybeFilter[2] : null;
              return rp(new CS.ForOf(!!own, key, val, obj, filter, body.block));
            })(r5, r6, r8, r11, r13, r14);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_forIn() {
        var cacheKey = "forIn@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15, r16;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_FOR();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r6 = pos;
            r7 = parse_Assignable();
            if (r7 !== null) {
              r8 = parse__();
              if (r8 !== null) {
                r10 = pos;
                if (input.charCodeAt(pos) === 44) {
                  r11 = ",";
                  pos++;
                } else {
                  r11 = null;
                  if (reportFailures === 0) {
                    matchFailed("\",\"");
                  }
                }
                if (r11 !== null) {
                  r12 = parse__();
                  if (r12 !== null) {
                    r13 = parse_Assignable();
                    if (r13 !== null) {
                      r14 = parse__();
                      if (r14 !== null) {
                        r9 = [r11, r12, r13, r14];
                      } else {
                        r9 = null;
                        pos = r10;
                      }
                    } else {
                      r9 = null;
                      pos = r10;
                    }
                  } else {
                    r9 = null;
                    pos = r10;
                  }
                } else {
                  r9 = null;
                  pos = r10;
                }
                r9 = r9 !== null ? r9 : "";
                if (r9 !== null) {
                  r5 = [r7, r8, r9];
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r6 = parse_IN();
              if (r6 !== null) {
                r7 = parse__();
                if (r7 !== null) {
                  r8 = parse_assignmentExpressionNoImplicitObjectCall();
                  if (r8 !== null) {
                    r9 = parse__();
                    if (r9 !== null) {
                      r11 = pos;
                      r12 = parse_BY();
                      if (r12 !== null) {
                        r13 = parse__();
                        if (r13 !== null) {
                          r14 = parse_assignmentExpressionNoImplicitObjectCall();
                          if (r14 !== null) {
                            r15 = parse__();
                            if (r15 !== null) {
                              r10 = [r12, r13, r14, r15];
                            } else {
                              r10 = null;
                              pos = r11;
                            }
                          } else {
                            r10 = null;
                            pos = r11;
                          }
                        } else {
                          r10 = null;
                          pos = r11;
                        }
                      } else {
                        r10 = null;
                        pos = r11;
                      }
                      r10 = r10 !== null ? r10 : "";
                      if (r10 !== null) {
                        r12 = pos;
                        r13 = parse_WHEN();
                        if (r13 !== null) {
                          r14 = parse__();
                          if (r14 !== null) {
                            r15 = parse_assignmentExpressionNoImplicitObjectCall();
                            if (r15 !== null) {
                              r16 = parse__();
                              if (r16 !== null) {
                                r11 = [r13, r14, r15, r16];
                              } else {
                                r11 = null;
                                pos = r12;
                              }
                            } else {
                              r11 = null;
                              pos = r12;
                            }
                          } else {
                            r11 = null;
                            pos = r12;
                          }
                        } else {
                          r11 = null;
                          pos = r12;
                        }
                        r11 = r11 !== null ? r11 : "";
                        if (r11 !== null) {
                          r12 = parse_conditionalBody();
                          if (r12 !== null) {
                            r0 = [r3, r4, r5, r6, r7, r8, r9, r10, r11, r12];
                          } else {
                            r0 = null;
                            pos = r2;
                          }
                        } else {
                          r0 = null;
                          pos = r2;
                        }
                      } else {
                        r0 = null;
                        pos = r2;
                      }
                    } else {
                      r0 = null;
                      pos = r2;
                    }
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(maybeVal, list, maybeStep, maybeFilter, body) {
              var val = maybeVal ? maybeVal[0] : null;
              var key = maybeVal && maybeVal[2] ? maybeVal[2][2] : null;
              var step = maybeStep ? maybeStep[2] : new CS.Int(1).r('1').g();
              var filter = maybeFilter ? maybeFilter[2] : null;
              return rp(new CS.ForIn(val, key, list, step, filter, body.block));
            })(r5, r8, r10, r11, r12);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_switch() {
        var cacheKey = "switch@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_SWITCH();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r5 = parse_expressionworthy();
            if (r5 === null) {
              r5 = parse_assignmentExpression();
            }
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r6 = parse_switchBody();
              if (r6 !== null) {
                r0 = [r3, r4, r5, r6];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, body) {
              return rp(new CS.Switch(e || null, body.cases, body['else'] || null));
            })(r5, r6);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_switchBody() {
        var cacheKey = "switchBody@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6;
        
        r1 = pos;
        r2 = pos;
        r3 = parse__();
        if (r3 !== null) {
          r4 = parse_TERMINDENT();
          if (r4 !== null) {
            r5 = parse_switchBlock();
            if (r5 !== null) {
              r6 = parse_DEDENT();
              if (r6 !== null) {
                r0 = [r3, r4, r5, r6];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(b) { return r({cases: b.cases, 'else': b['else']}); })(r5);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse__();
          if (r3 !== null) {
            r4 = parse_THEN();
            if (r4 !== null) {
              r5 = parse__();
              if (r5 !== null) {
                r6 = parse_case();
                if (r6 !== null) {
                  r0 = [r3, r4, r5, r6];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(c) { return r({cases: [c]}); })(r6);
          }
          if (r0 === null) {
            pos = r1;
          }
          if (r0 === null) {
            r1 = pos;
            r2 = pos;
            r3 = parse__();
            if (r3 !== null) {
              r4 = parse_THEN();
              if (r4 !== null) {
                r0 = [r3, r4];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
            if (r0 !== null) {
              reportedPos = r1;
              r0 = (function() { return r({cases: []}); })();
            }
            if (r0 === null) {
              pos = r1;
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_switchBlock() {
        var cacheKey = "switchBlock@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_case();
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r7 = parse__();
          if (r7 !== null) {
            r8 = parse_TERMINATOR();
            if (r8 !== null) {
              r9 = parse__();
              if (r9 !== null) {
                r10 = parse_case();
                if (r10 !== null) {
                  r5 = [r7, r8, r9, r10];
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          } else {
            r5 = null;
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r7 = parse__();
            if (r7 !== null) {
              r8 = parse_TERMINATOR();
              if (r8 !== null) {
                r9 = parse__();
                if (r9 !== null) {
                  r10 = parse_case();
                  if (r10 !== null) {
                    r5 = [r7, r8, r9, r10];
                  } else {
                    r5 = null;
                    pos = r6;
                  }
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          }
          if (r4 !== null) {
            r6 = pos;
            r7 = parse__();
            if (r7 !== null) {
              r8 = parse_TERMINATOR();
              if (r8 !== null) {
                r9 = parse__();
                if (r9 !== null) {
                  r10 = parse_elseClause();
                  if (r10 !== null) {
                    r5 = [r7, r8, r9, r10];
                  } else {
                    r5 = null;
                    pos = r6;
                  }
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r6 = parse_TERMINATOR();
              r6 = r6 !== null ? r6 : "";
              if (r6 !== null) {
                r0 = [r3, r4, r5, r6];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(c, cs, elseClause) {
                var cases = [c].concat(cs.map(function(w){ return w[3]; }));
                return r({cases: cases, 'else': elseClause ? elseClause[3] : null});
              })(r3, r4, r5);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_case() {
        var cacheKey = "case@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_WHEN();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r5 = parse_caseConditions();
            if (r5 !== null) {
              r6 = parse_conditionalBody();
              if (r6 !== null) {
                r0 = [r3, r4, r5, r6];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(conditions, body) {
                return rp(new CS.SwitchCase(conditions, body.block));
              })(r5, r6);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_caseConditions() {
        var cacheKey = "caseConditions@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_assignmentExpressionNoImplicitObjectCall();
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r7 = parse__();
          if (r7 !== null) {
            if (input.charCodeAt(pos) === 44) {
              r8 = ",";
              pos++;
            } else {
              r8 = null;
              if (reportFailures === 0) {
                matchFailed("\",\"");
              }
            }
            if (r8 !== null) {
              r9 = parse__();
              if (r9 !== null) {
                r10 = parse_assignmentExpressionNoImplicitObjectCall();
                if (r10 !== null) {
                  r5 = [r7, r8, r9, r10];
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          } else {
            r5 = null;
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r7 = parse__();
            if (r7 !== null) {
              if (input.charCodeAt(pos) === 44) {
                r8 = ",";
                pos++;
              } else {
                r8 = null;
                if (reportFailures === 0) {
                  matchFailed("\",\"");
                }
              }
              if (r8 !== null) {
                r9 = parse__();
                if (r9 !== null) {
                  r10 = parse_assignmentExpressionNoImplicitObjectCall();
                  if (r10 !== null) {
                    r5 = [r7, r8, r9, r10];
                  } else {
                    r5 = null;
                    pos = r6;
                  }
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(c, cs) {
                return [c].concat(cs.map(function(c){ return c[3]; }));
              })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_functionLiteral() {
        var cacheKey = "functionLiteral@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13;
        
        r1 = pos;
        r2 = pos;
        r4 = pos;
        if (input.charCodeAt(pos) === 40) {
          r5 = "(";
          pos++;
        } else {
          r5 = null;
          if (reportFailures === 0) {
            matchFailed("\"(\"");
          }
        }
        if (r5 !== null) {
          r6 = parse__();
          if (r6 !== null) {
            r8 = pos;
            r9 = pos;
            r10 = parse_TERMINDENT();
            if (r10 !== null) {
              r11 = parse_parameterList();
              if (r11 !== null) {
                r12 = parse_DEDENT();
                if (r12 !== null) {
                  r13 = parse_TERMINATOR();
                  if (r13 !== null) {
                    r7 = [r10, r11, r12, r13];
                  } else {
                    r7 = null;
                    pos = r9;
                  }
                } else {
                  r7 = null;
                  pos = r9;
                }
              } else {
                r7 = null;
                pos = r9;
              }
            } else {
              r7 = null;
              pos = r9;
            }
            if (r7 !== null) {
              reportedPos = r8;
              r7 = (function(p) { return p; })(r11);
            }
            if (r7 === null) {
              pos = r8;
            }
            if (r7 === null) {
              r7 = parse_parameterList();
            }
            r7 = r7 !== null ? r7 : "";
            if (r7 !== null) {
              r8 = parse__();
              if (r8 !== null) {
                if (input.charCodeAt(pos) === 41) {
                  r9 = ")";
                  pos++;
                } else {
                  r9 = null;
                  if (reportFailures === 0) {
                    matchFailed("\")\"");
                  }
                }
                if (r9 !== null) {
                  r10 = parse__();
                  if (r10 !== null) {
                    r3 = [r5, r6, r7, r8, r9, r10];
                  } else {
                    r3 = null;
                    pos = r4;
                  }
                } else {
                  r3 = null;
                  pos = r4;
                }
              } else {
                r3 = null;
                pos = r4;
              }
            } else {
              r3 = null;
              pos = r4;
            }
          } else {
            r3 = null;
            pos = r4;
          }
        } else {
          r3 = null;
          pos = r4;
        }
        r3 = r3 !== null ? r3 : "";
        if (r3 !== null) {
          if (input.substr(pos, 2) === "->") {
            r4 = "->";
            pos += 2;
          } else {
            r4 = null;
            if (reportFailures === 0) {
              matchFailed("\"->\"");
            }
          }
          if (r4 === null) {
            if (input.substr(pos, 2) === "=>") {
              r4 = "=>";
              pos += 2;
            } else {
              r4 = null;
              if (reportFailures === 0) {
                matchFailed("\"=>\"");
              }
            }
            if (r4 === null) {
              if (input.substr(pos, 2) === "~>") {
                r4 = "~>";
                pos += 2;
              } else {
                r4 = null;
                if (reportFailures === 0) {
                  matchFailed("\"~>\"");
                }
              }
            }
          }
          if (r4 !== null) {
            r5 = parse_functionBody();
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(params, arrow, body) {
              var constructor;
              switch(arrow) {
                case '->': constructor = CS.Function; break;
                case '=>': constructor = CS.BoundFunction; break;
                case '~>': constructor = CS.ComputedProperty; break;
                default: throw new Error('parsed function arrow ("' + arrow + '") not associated with a constructor');
              }
              return rp(new constructor(params && params[2] || [], body || null));
            })(r3, r4, r5);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_functionBody() {
        var cacheKey = "functionBody@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6;
        
        r1 = pos;
        r2 = pos;
        r3 = parse__();
        if (r3 !== null) {
          r4 = parse_TERMINDENT();
          if (r4 !== null) {
            r5 = parse_block();
            if (r5 !== null) {
              r6 = parse_DEDENT();
              if (r6 !== null) {
                r0 = [r3, r4, r5, r6];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(b) { return b; })(r5);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse__();
          if (r3 !== null) {
            r4 = parse_statement();
            if (r4 !== null) {
              r0 = [r3, r4];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(s) { return s; })(r4);
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_parameter() {
        var cacheKey = "parameter@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_Assignable();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            if (input.charCodeAt(pos) === 61) {
              r5 = "=";
              pos++;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\"=\"");
              }
            }
            if (r5 !== null) {
              r6 = parse__();
              if (r6 !== null) {
                r7 = parse_secondaryExpression();
                if (r7 !== null) {
                  r0 = [r3, r4, r5, r6, r7];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(param, default_) {
                return rp(new CS.DefaultParam(param, default_));
              })(r3, r7);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r0 = parse_rest();
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_rest() {
        var cacheKey = "rest@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_Assignable();
        if (r3 !== null) {
          if (input.substr(pos, 3) === "...") {
            r4 = "...";
            pos += 3;
          } else {
            r4 = null;
            if (reportFailures === 0) {
              matchFailed("\"...\"");
            }
          }
          r4 = r4 !== null ? r4 : "";
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(a, rest) {
                  return rp(rest ? new CS.Rest(a) : a);
                })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_parameterList() {
        var cacheKey = "parameterList@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_parameter();
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r7 = parse__();
          if (r7 !== null) {
            r9 = pos;
            if (input.charCodeAt(pos) === 44) {
              r10 = ",";
              pos++;
            } else {
              r10 = null;
              if (reportFailures === 0) {
                matchFailed("\",\"");
              }
            }
            if (r10 !== null) {
              r11 = parse_TERMINATOR();
              r11 = r11 !== null ? r11 : "";
              if (r11 !== null) {
                r8 = [r10, r11];
              } else {
                r8 = null;
                pos = r9;
              }
            } else {
              r8 = null;
              pos = r9;
            }
            if (r8 === null) {
              r8 = parse_TERMINATOR();
            }
            if (r8 !== null) {
              r9 = parse__();
              if (r9 !== null) {
                r10 = parse_parameter();
                if (r10 !== null) {
                  r5 = [r7, r8, r9, r10];
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          } else {
            r5 = null;
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r7 = parse__();
            if (r7 !== null) {
              r9 = pos;
              if (input.charCodeAt(pos) === 44) {
                r10 = ",";
                pos++;
              } else {
                r10 = null;
                if (reportFailures === 0) {
                  matchFailed("\",\"");
                }
              }
              if (r10 !== null) {
                r11 = parse_TERMINATOR();
                r11 = r11 !== null ? r11 : "";
                if (r11 !== null) {
                  r8 = [r10, r11];
                } else {
                  r8 = null;
                  pos = r9;
                }
              } else {
                r8 = null;
                pos = r9;
              }
              if (r8 === null) {
                r8 = parse_TERMINATOR();
              }
              if (r8 !== null) {
                r9 = parse__();
                if (r9 !== null) {
                  r10 = parse_parameter();
                  if (r10 !== null) {
                    r5 = [r7, r8, r9, r10];
                  } else {
                    r5 = null;
                    pos = r6;
                  }
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, es) {
                return [e].concat(es.map(function(e){ return e[3]; }));
              })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_range() {
        var cacheKey = "range@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12;
        
        r1 = pos;
        r2 = pos;
        if (input.charCodeAt(pos) === 91) {
          r3 = "[";
          pos++;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"[\"");
          }
        }
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r5 = parse_secondaryExpression();
            if (r5 !== null) {
              r6 = parse__();
              if (r6 !== null) {
                if (input.substr(pos, 2) === "..") {
                  r7 = "..";
                  pos += 2;
                } else {
                  r7 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"..\"");
                  }
                }
                if (r7 !== null) {
                  if (input.charCodeAt(pos) === 46) {
                    r8 = ".";
                    pos++;
                  } else {
                    r8 = null;
                    if (reportFailures === 0) {
                      matchFailed("\".\"");
                    }
                  }
                  r8 = r8 !== null ? r8 : "";
                  if (r8 !== null) {
                    r9 = parse__();
                    if (r9 !== null) {
                      r10 = parse_secondaryExpression();
                      if (r10 !== null) {
                        r11 = parse__();
                        if (r11 !== null) {
                          if (input.charCodeAt(pos) === 93) {
                            r12 = "]";
                            pos++;
                          } else {
                            r12 = null;
                            if (reportFailures === 0) {
                              matchFailed("\"]\"");
                            }
                          }
                          if (r12 !== null) {
                            r0 = [r3, r4, r5, r6, r7, r8, r9, r10, r11, r12];
                          } else {
                            r0 = null;
                            pos = r2;
                          }
                        } else {
                          r0 = null;
                          pos = r2;
                        }
                      } else {
                        r0 = null;
                        pos = r2;
                      }
                    } else {
                      r0 = null;
                      pos = r2;
                    }
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(left, exclusiveDot, right) {
              var inclusive = !exclusiveDot;
              return rp(new CS.Range(inclusive, left, right));
            })(r5, r8, r10);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_arrayLiteral() {
        var cacheKey = "arrayLiteral@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7;
        
        r1 = pos;
        r2 = pos;
        if (input.charCodeAt(pos) === 91) {
          r3 = "[";
          pos++;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"[\"");
          }
        }
        if (r3 !== null) {
          r4 = parse_arrayLiteralBody();
          if (r4 !== null) {
            r5 = parse_TERMINATOR();
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r6 = parse__();
              if (r6 !== null) {
                if (input.charCodeAt(pos) === 93) {
                  r7 = "]";
                  pos++;
                } else {
                  r7 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"]\"");
                  }
                }
                if (r7 !== null) {
                  r0 = [r3, r4, r5, r6, r7];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(members) {
              return rp(new CS.ArrayInitialiser(members));
            })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_arrayLiteralBody() {
        var cacheKey = "arrayLiteralBody@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_TERMINDENT();
        if (r3 !== null) {
          r4 = parse_arrayLiteralMemberList();
          if (r4 !== null) {
            r5 = parse_DEDENT();
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(members) { return members; })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse__();
          if (r3 !== null) {
            r4 = parse_arrayLiteralMemberList();
            r4 = r4 !== null ? r4 : "";
            if (r4 !== null) {
              r0 = [r3, r4];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(members) { return members || []; })(r4);
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_arrayLiteralMemberList() {
        var cacheKey = "arrayLiteralMemberList@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_arrayLiteralMember();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r5 = [];
            r7 = pos;
            r8 = parse_arrayLiteralMemberSeparator();
            if (r8 !== null) {
              r9 = parse__();
              if (r9 !== null) {
                r10 = parse_arrayLiteralMember();
                if (r10 !== null) {
                  r11 = parse__();
                  if (r11 !== null) {
                    r6 = [r8, r9, r10, r11];
                  } else {
                    r6 = null;
                    pos = r7;
                  }
                } else {
                  r6 = null;
                  pos = r7;
                }
              } else {
                r6 = null;
                pos = r7;
              }
            } else {
              r6 = null;
              pos = r7;
            }
            while (r6 !== null) {
              r5.push(r6);
              r7 = pos;
              r8 = parse_arrayLiteralMemberSeparator();
              if (r8 !== null) {
                r9 = parse__();
                if (r9 !== null) {
                  r10 = parse_arrayLiteralMember();
                  if (r10 !== null) {
                    r11 = parse__();
                    if (r11 !== null) {
                      r6 = [r8, r9, r10, r11];
                    } else {
                      r6 = null;
                      pos = r7;
                    }
                  } else {
                    r6 = null;
                    pos = r7;
                  }
                } else {
                  r6 = null;
                  pos = r7;
                }
              } else {
                r6 = null;
                pos = r7;
              }
            }
            if (r5 !== null) {
              r6 = parse_arrayLiteralMemberSeparator();
              r6 = r6 !== null ? r6 : "";
              if (r6 !== null) {
                r0 = [r3, r4, r5, r6];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, es) {
                return [e].concat(es.map(function(e){ return e[2]; }));
              })(r3, r5);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_arrayLiteralMember() {
        var cacheKey = "arrayLiteralMember@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r0 = parse_spread();
        if (r0 === null) {
          r0 = parse_expression();
          if (r0 === null) {
            r1 = pos;
            r2 = pos;
            r3 = parse_TERMINDENT();
            if (r3 !== null) {
              r4 = parse_implicitObjectLiteral();
              if (r4 !== null) {
                r5 = parse_DEDENT();
                if (r5 !== null) {
                  r0 = [r3, r4, r5];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
            if (r0 !== null) {
              reportedPos = r1;
              r0 = (function(o) { return o; })(r4);
            }
            if (r0 === null) {
              pos = r1;
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_arrayLiteralMemberSeparator() {
        var cacheKey = "arrayLiteralMemberSeparator@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_TERMINATOR();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            if (input.charCodeAt(pos) === 44) {
              r5 = ",";
              pos++;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\",\"");
              }
            }
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          if (input.charCodeAt(pos) === 44) {
            r3 = ",";
            pos++;
          } else {
            r3 = null;
            if (reportFailures === 0) {
              matchFailed("\",\"");
            }
          }
          if (r3 !== null) {
            r4 = parse_TERMINATOR();
            r4 = r4 !== null ? r4 : "";
            if (r4 !== null) {
              r5 = parse__();
              if (r5 !== null) {
                r0 = [r3, r4, r5];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            r0 = input.substring(pos, r1);
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_annotation() {
        var cacheKey = "annotation@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9;
        
        r1 = pos;
        r2 = pos;
        if (input.charCodeAt(pos) === 43) {
          r3 = "+";
          pos++;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"+\"");
          }
        }
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            if (input.substr(pos, 8) === "computed") {
              r5 = "computed";
              pos += 8;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\"computed\"");
              }
            }
            if (r5 === null) {
              if (input.substr(pos, 8) === "observer") {
                r5 = "observer";
                pos += 8;
              } else {
                r5 = null;
                if (reportFailures === 0) {
                  matchFailed("\"observer\"");
                }
              }
              if (r5 === null) {
                if (input.substr(pos, 8) === "volatile") {
                  r5 = "volatile";
                  pos += 8;
                } else {
                  r5 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"volatile\"");
                  }
                }
              }
            }
            if (r5 !== null) {
              r7 = pos;
              r8 = parse___();
              if (r8 !== null) {
                r9 = parse_annotationParameterList();
                if (r9 !== null) {
                  r6 = [r8, r9];
                } else {
                  r6 = null;
                  pos = r7;
                }
              } else {
                r6 = null;
                pos = r7;
              }
              r6 = r6 !== null ? r6 : "";
              if (r6 !== null) {
                r7 = parse_TERMINATOR();
                r7 = r7 !== null ? r7 : "";
                if (r7 !== null) {
                  r8 = parse__();
                  if (r8 !== null) {
                    r0 = [r3, r4, r5, r6, r7, r8];
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(name, params) {
            var constructor;  
            switch(name) {
              case 'computed': constructor = CS.Computed; break;
              case 'observer': constructor = CS.Observes; break;
              case 'volatile': constructor = CS.Volatile; break;
              default: throw new Error('No such annotation: ' + name);
            }
            if(params) params = params[1]
            return rp(new constructor(params || []));
          })(r5, r6);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_annotationParameterList() {
        var cacheKey = "annotationParameterList@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_propertyChain();
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r8 = pos;
          r9 = parse__();
          if (r9 !== null) {
            if (input.charCodeAt(pos) === 44) {
              r10 = ",";
              pos++;
            } else {
              r10 = null;
              if (reportFailures === 0) {
                matchFailed("\",\"");
              }
            }
            if (r10 !== null) {
              r11 = parse_TERMINATOR();
              r11 = r11 !== null ? r11 : "";
              if (r11 !== null) {
                r12 = parse__();
                if (r12 !== null) {
                  r7 = [r9, r10, r11, r12];
                } else {
                  r7 = null;
                  pos = r8;
                }
              } else {
                r7 = null;
                pos = r8;
              }
            } else {
              r7 = null;
              pos = r8;
            }
          } else {
            r7 = null;
            pos = r8;
          }
          if (r7 === null) {
            r7 = parse___();
          }
          if (r7 !== null) {
            r8 = parse_propertyChain();
            if (r8 !== null) {
              r5 = [r7, r8];
            } else {
              r5 = null;
              pos = r6;
            }
          } else {
            r5 = null;
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r8 = pos;
            r9 = parse__();
            if (r9 !== null) {
              if (input.charCodeAt(pos) === 44) {
                r10 = ",";
                pos++;
              } else {
                r10 = null;
                if (reportFailures === 0) {
                  matchFailed("\",\"");
                }
              }
              if (r10 !== null) {
                r11 = parse_TERMINATOR();
                r11 = r11 !== null ? r11 : "";
                if (r11 !== null) {
                  r12 = parse__();
                  if (r12 !== null) {
                    r7 = [r9, r10, r11, r12];
                  } else {
                    r7 = null;
                    pos = r8;
                  }
                } else {
                  r7 = null;
                  pos = r8;
                }
              } else {
                r7 = null;
                pos = r8;
              }
            } else {
              r7 = null;
              pos = r8;
            }
            if (r7 === null) {
              r7 = parse___();
            }
            if (r7 !== null) {
              r8 = parse_propertyChain();
              if (r8 !== null) {
                r5 = [r7, r8];
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, es) {
              return [e].concat(es.map(function(e){ return e[1]; }));
            })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_objectLiteral() {
        var cacheKey = "objectLiteral@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7;
        
        r1 = pos;
        r2 = pos;
        if (input.charCodeAt(pos) === 123) {
          r3 = "{";
          pos++;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"{\"");
          }
        }
        if (r3 !== null) {
          r4 = parse_objectLiteralBody();
          if (r4 !== null) {
            r5 = parse_TERMINATOR();
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r6 = parse__();
              if (r6 !== null) {
                if (input.charCodeAt(pos) === 125) {
                  r7 = "}";
                  pos++;
                } else {
                  r7 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"}\"");
                  }
                }
                if (r7 !== null) {
                  r0 = [r3, r4, r5, r6, r7];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(members) {
            return rp(new CS.ObjectInitialiser(members));
          })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_objectLiteralBody() {
        var cacheKey = "objectLiteralBody@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_TERMINDENT();
        if (r3 !== null) {
          r4 = parse_objectLiteralMemberList();
          if (r4 !== null) {
            r5 = parse_DEDENT();
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(members) { return members; })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse__();
          if (r3 !== null) {
            r4 = parse_objectLiteralMemberList();
            r4 = r4 !== null ? r4 : "";
            if (r4 !== null) {
              r0 = [r3, r4];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(members) { return members || []; })(r4);
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_objectLiteralMemberList() {
        var cacheKey = "objectLiteralMemberList@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_objectLiteralMember();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r5 = [];
            r7 = pos;
            r8 = parse_arrayLiteralMemberSeparator();
            if (r8 !== null) {
              r9 = parse__();
              if (r9 !== null) {
                r10 = parse_objectLiteralMember();
                if (r10 !== null) {
                  r11 = parse__();
                  if (r11 !== null) {
                    r6 = [r8, r9, r10, r11];
                  } else {
                    r6 = null;
                    pos = r7;
                  }
                } else {
                  r6 = null;
                  pos = r7;
                }
              } else {
                r6 = null;
                pos = r7;
              }
            } else {
              r6 = null;
              pos = r7;
            }
            while (r6 !== null) {
              r5.push(r6);
              r7 = pos;
              r8 = parse_arrayLiteralMemberSeparator();
              if (r8 !== null) {
                r9 = parse__();
                if (r9 !== null) {
                  r10 = parse_objectLiteralMember();
                  if (r10 !== null) {
                    r11 = parse__();
                    if (r11 !== null) {
                      r6 = [r8, r9, r10, r11];
                    } else {
                      r6 = null;
                      pos = r7;
                    }
                  } else {
                    r6 = null;
                    pos = r7;
                  }
                } else {
                  r6 = null;
                  pos = r7;
                }
              } else {
                r6 = null;
                pos = r7;
              }
            }
            if (r5 !== null) {
              if (input.charCodeAt(pos) === 44) {
                r6 = ",";
                pos++;
              } else {
                r6 = null;
                if (reportFailures === 0) {
                  matchFailed("\",\"");
                }
              }
              r6 = r6 !== null ? r6 : "";
              if (r6 !== null) {
                r0 = [r3, r4, r5, r6];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, es) {
                return [e].concat(es.map(function(e){ return e[2]; }));
              })(r3, r5);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_objectLiteralMember() {
        var cacheKey = "objectLiteralMember@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1;
        
        r0 = parse_implicitObjectLiteralMember();
        if (r0 === null) {
          r1 = pos;
          r0 = parse_contextVar();
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(v) {
                  var key = p(new CS.String(v.memberName).g());
                  return rp(new CS.ObjectInitialiserMember(key, v));
                })(r0);
          }
          if (r0 === null) {
            pos = r1;
          }
          if (r0 === null) {
            r1 = pos;
            r0 = parse_ObjectInitialiserKeys();
            if (r0 !== null) {
              reportedPos = r1;
              r0 = (function(v) {
                    return rp(new CS.ObjectInitialiserMember(v, v));
                  })(r0);
            }
            if (r0 === null) {
              pos = r1;
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_ObjectInitialiserKeys() {
        var cacheKey = "ObjectInitialiserKeys@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1;
        
        r1 = pos;
        r0 = parse_identifierName();
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(i) { return rp(new CS.Identifier(i)); })(r0);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r0 = parse_string();
          if (r0 === null) {
            r0 = parse_Numbers();
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_implicitObjectLiteral() {
        var cacheKey = "implicitObjectLiteral@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1;
        
        r1 = pos;
        r0 = parse_implicitObjectLiteralMemberList();
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(members) {
            return rp(new CS.ObjectInitialiser(members));
          })(r0);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_implicitObjectLiteralMemberList() {
        var cacheKey = "implicitObjectLiteralMemberList@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_implicitObjectLiteralMember();
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r7 = parse_implicitObjectLiteralMemberSeparator();
          if (r7 !== null) {
            r8 = parse_implicitObjectLiteralMember();
            if (r8 !== null) {
              r5 = [r7, r8];
            } else {
              r5 = null;
              pos = r6;
            }
          } else {
            r5 = null;
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r7 = parse_implicitObjectLiteralMemberSeparator();
            if (r7 !== null) {
              r8 = parse_implicitObjectLiteralMember();
              if (r8 !== null) {
                r5 = [r7, r8];
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, es) {
                return [e].concat(es.map(function(e){ return e[1]; }));
              })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_implicitObjectLiteralMemberSeparator() {
        var cacheKey = "implicitObjectLiteralMemberSeparator@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = parse_TERMINATOR();
        if (r2 !== null) {
          if (input.charCodeAt(pos) === 44) {
            r3 = ",";
            pos++;
          } else {
            r3 = null;
            if (reportFailures === 0) {
              matchFailed("\",\"");
            }
          }
          r3 = r3 !== null ? r3 : "";
          if (r3 !== null) {
            r4 = parse__();
            if (r4 !== null) {
              r0 = [r2, r3, r4];
            } else {
              r0 = null;
              pos = r1;
            }
          } else {
            r0 = null;
            pos = r1;
          }
        } else {
          r0 = null;
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = parse__();
          if (r2 !== null) {
            if (input.charCodeAt(pos) === 44) {
              r3 = ",";
              pos++;
            } else {
              r3 = null;
              if (reportFailures === 0) {
                matchFailed("\",\"");
              }
            }
            if (r3 !== null) {
              r4 = parse_TERMINATOR();
              r4 = r4 !== null ? r4 : "";
              if (r4 !== null) {
                r5 = parse__();
                if (r5 !== null) {
                  r0 = [r2, r3, r4, r5];
                } else {
                  r0 = null;
                  pos = r1;
                }
              } else {
                r0 = null;
                pos = r1;
              }
            } else {
              r0 = null;
              pos = r1;
            }
          } else {
            r0 = null;
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_implicitObjectLiteralMember() {
        var cacheKey = "implicitObjectLiteralMember@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8;
        
        r1 = pos;
        r2 = pos;
        r3 = [];
        r4 = parse_annotation();
        while (r4 !== null) {
          r3.push(r4);
          r4 = parse_annotation();
        }
        if (r3 !== null) {
          r4 = parse_ObjectInitialiserKeys();
          if (r4 !== null) {
            r5 = parse__();
            if (r5 !== null) {
              if (input.charCodeAt(pos) === 58) {
                r6 = ":";
                pos++;
              } else {
                r6 = null;
                if (reportFailures === 0) {
                  matchFailed("\":\"");
                }
              }
              if (r6 !== null) {
                r7 = parse__();
                if (r7 !== null) {
                  r8 = parse_implicitObjectLiteralMemberValue();
                  if (r8 !== null) {
                    r0 = [r3, r4, r5, r6, r7, r8];
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(annotations, key, val) {
                return rp(new CS.ObjectInitialiserMember(key, val, annotations));
              })(r3, r4, r8);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_implicitObjectLiteralMemberValue() {
        var cacheKey = "implicitObjectLiteralMemberValue@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r0 = parse_singleLineImplicitObjectLiteral();
        if (r0 === null) {
          r0 = parse_expression();
          if (r0 === null) {
            r1 = pos;
            r2 = pos;
            r3 = parse_TERMINDENT();
            if (r3 !== null) {
              r4 = parse_expression();
              if (r4 !== null) {
                r5 = parse_DEDENT();
                if (r5 !== null) {
                  r0 = [r3, r4, r5];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
            if (r0 !== null) {
              reportedPos = r1;
              r0 = (function(o) { return o; })(r4);
            }
            if (r0 === null) {
              pos = r1;
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_singleLineImplicitObjectLiteral() {
        var cacheKey = "singleLineImplicitObjectLiteral@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1;
        
        r1 = pos;
        r0 = parse_singleLineImplicitObjectLiteralMemberList();
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(members) {
            return rp(new CS.ObjectInitialiser(members));
          })(r0);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_singleLineImplicitObjectLiteralMemberList() {
        var cacheKey = "singleLineImplicitObjectLiteralMemberList@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_implicitObjectLiteralMember();
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r7 = parse_singleLineImplicitObjectLiteralMemberSeparator();
          if (r7 !== null) {
            r8 = parse_implicitObjectLiteralMember();
            if (r8 !== null) {
              r5 = [r7, r8];
            } else {
              r5 = null;
              pos = r6;
            }
          } else {
            r5 = null;
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r7 = parse_singleLineImplicitObjectLiteralMemberSeparator();
            if (r7 !== null) {
              r8 = parse_implicitObjectLiteralMember();
              if (r8 !== null) {
                r5 = [r7, r8];
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, es) {
                return [e].concat(es.map(function(e){ return e[1]; }));
              })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_singleLineImplicitObjectLiteralMemberSeparator() {
        var cacheKey = "singleLineImplicitObjectLiteralMemberSeparator@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r1 = pos;
        r2 = parse__();
        if (r2 !== null) {
          if (input.charCodeAt(pos) === 44) {
            r3 = ",";
            pos++;
          } else {
            r3 = null;
            if (reportFailures === 0) {
              matchFailed("\",\"");
            }
          }
          if (r3 !== null) {
            r4 = parse__();
            if (r4 !== null) {
              r0 = [r2, r3, r4];
            } else {
              r0 = null;
              pos = r1;
            }
          } else {
            r0 = null;
            pos = r1;
          }
        } else {
          r0 = null;
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_macro() {
        var cacheKey = "macro@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1;
        
        r1 = pos;
        if (input.substr(pos, 8) === "__LINE__") {
          r0 = "__LINE__";
          pos += 8;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            matchFailed("\"__LINE__\"");
          }
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function() { return rp(new CS.Int(line())); })();
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          if (input.substr(pos, 12) === "__FILENAME__") {
            r0 = "__FILENAME__";
            pos += 12;
          } else {
            r0 = null;
            if (reportFailures === 0) {
              matchFailed("\"__FILENAME__\"");
            }
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function() { return rp(new CS.String(options.inputSource || "")); })();
          }
          if (r0 === null) {
            pos = r1;
          }
          if (r0 === null) {
            r1 = pos;
            if (input.substr(pos, 8) === "__DATE__") {
              r0 = "__DATE__";
              pos += 8;
            } else {
              r0 = null;
              if (reportFailures === 0) {
                matchFailed("\"__DATE__\"");
              }
            }
            if (r0 !== null) {
              reportedPos = r1;
              r0 = (function() { return rp(new CS.String((new Date).toDateString().slice(4))); })();
            }
            if (r0 === null) {
              pos = r1;
            }
            if (r0 === null) {
              r1 = pos;
              if (input.substr(pos, 8) === "__TIME__") {
                r0 = "__TIME__";
                pos += 8;
              } else {
                r0 = null;
                if (reportFailures === 0) {
                  matchFailed("\"__TIME__\"");
                }
              }
              if (r0 !== null) {
                reportedPos = r1;
                r0 = (function() { return rp(new CS.String((new Date).toTimeString().slice(0, 8))); })();
              }
              if (r0 === null) {
                pos = r1;
              }
              if (r0 === null) {
                r1 = pos;
                if (input.substr(pos, 14) === "__DATETIMEMS__") {
                  r0 = "__DATETIMEMS__";
                  pos += 14;
                } else {
                  r0 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"__DATETIMEMS__\"");
                  }
                }
                if (r0 !== null) {
                  reportedPos = r1;
                  r0 = (function() { return rp(new CS.Int(+new Date)); })();
                }
                if (r0 === null) {
                  pos = r1;
                }
                if (r0 === null) {
                  r1 = pos;
                  if (input.substr(pos, 18) === "__COFFEE_VERSION__") {
                    r0 = "__COFFEE_VERSION__";
                    pos += 18;
                  } else {
                    r0 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"__COFFEE_VERSION__\"");
                    }
                  }
                  if (r0 !== null) {
                    reportedPos = r1;
                    r0 = (function() { return rp(new CS.String(require("../package.json").version)); })();
                  }
                  if (r0 === null) {
                    pos = r1;
                  }
                }
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_bool() {
        var cacheKey = "bool@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1;
        
        r1 = pos;
        r0 = parse_TRUE();
        if (r0 === null) {
          r0 = parse_YES();
          if (r0 === null) {
            r0 = parse_ON();
          }
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function() { return rp(new CS.Bool(true)); })();
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r0 = parse_FALSE();
          if (r0 === null) {
            r0 = parse_NO();
            if (r0 === null) {
              r0 = parse_OFF();
            }
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function() { return rp(new CS.Bool(false)); })();
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_Numbers() {
        var cacheKey = "Numbers@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 2) === "0b") {
          r3 = "0b";
          pos += 2;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"0b\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          r6 = parse_bit();
          if (r6 !== null) {
            r4 = [];
            while (r6 !== null) {
              r4.push(r6);
              r6 = parse_bit();
            }
          } else {
            r4 = null;
          }
          if (r4 !== null) {
            r4 = input.substring(pos, r5);
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(bs) { return rp(new CS.Int(parseInt(bs, 2))); })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          if (input.substr(pos, 2) === "0o") {
            r3 = "0o";
            pos += 2;
          } else {
            r3 = null;
            if (reportFailures === 0) {
              matchFailed("\"0o\"");
            }
          }
          if (r3 !== null) {
            r5 = pos;
            r6 = parse_octalDigit();
            if (r6 !== null) {
              r4 = [];
              while (r6 !== null) {
                r4.push(r6);
                r6 = parse_octalDigit();
              }
            } else {
              r4 = null;
            }
            if (r4 !== null) {
              r4 = input.substring(pos, r5);
            }
            if (r4 !== null) {
              r0 = [r3, r4];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(os) { return rp(new CS.Int(parseInt(os, 8))); })(r4);
          }
          if (r0 === null) {
            pos = r1;
          }
          if (r0 === null) {
            r1 = pos;
            r2 = pos;
            if (input.substr(pos, 2) === "0x") {
              r3 = "0x";
              pos += 2;
            } else {
              r3 = null;
              if (reportFailures === 0) {
                matchFailed("\"0x\"");
              }
            }
            if (r3 !== null) {
              r5 = pos;
              r6 = parse_hexDigit();
              if (r6 !== null) {
                r4 = [];
                while (r6 !== null) {
                  r4.push(r6);
                  r6 = parse_hexDigit();
                }
              } else {
                r4 = null;
              }
              if (r4 !== null) {
                r4 = input.substring(pos, r5);
              }
              if (r4 !== null) {
                r0 = [r3, r4];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
            if (r0 !== null) {
              reportedPos = r1;
              r0 = (function(hs) { return rp(new CS.Int(parseInt(hs, 16))); })(r4);
            }
            if (r0 === null) {
              pos = r1;
            }
            if (r0 === null) {
              r1 = pos;
              r2 = pos;
              r3 = parse_decimal();
              if (r3 !== null) {
                if (/^[eE]/.test(input.charAt(pos))) {
                  r4 = input.charAt(pos);
                  pos++;
                } else {
                  r4 = null;
                  if (reportFailures === 0) {
                    matchFailed("[eE]");
                  }
                }
                if (r4 !== null) {
                  if (/^[+\-]/.test(input.charAt(pos))) {
                    r5 = input.charAt(pos);
                    pos++;
                  } else {
                    r5 = null;
                    if (reportFailures === 0) {
                      matchFailed("[+\\-]");
                    }
                  }
                  r5 = r5 !== null ? r5 : "";
                  if (r5 !== null) {
                    r6 = parse_decimal();
                    if (r6 !== null) {
                      r0 = [r3, r4, r5, r6];
                    } else {
                      r0 = null;
                      pos = r2;
                    }
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
              if (r0 !== null) {
                reportedPos = r1;
                r0 = (function(base, e, sign, exponent) {
                    return rp(new CS.Float(parseFloat('' + base.data + e + sign + exponent.data, 10)));
                  })(r3, r4, r5, r6);
              }
              if (r0 === null) {
                pos = r1;
              }
              if (r0 === null) {
                r0 = parse_decimal();
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_decimal() {
        var cacheKey = "decimal@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_integer();
        if (r3 !== null) {
          r5 = pos;
          r6 = pos;
          if (input.charCodeAt(pos) === 46) {
            r7 = ".";
            pos++;
          } else {
            r7 = null;
            if (reportFailures === 0) {
              matchFailed("\".\"");
            }
          }
          if (r7 !== null) {
            r9 = parse_decimalDigit();
            if (r9 !== null) {
              r8 = [];
              while (r9 !== null) {
                r8.push(r9);
                r9 = parse_decimalDigit();
              }
            } else {
              r8 = null;
            }
            if (r8 !== null) {
              r4 = [r7, r8];
            } else {
              r4 = null;
              pos = r6;
            }
          } else {
            r4 = null;
            pos = r6;
          }
          r4 = r4 !== null ? r4 : "";
          if (r4 !== null) {
            r4 = input.substring(pos, r5);
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(integral, fractional) {
              return fractional
                ? rp(new CS.Float(parseFloat(integral + fractional, 10)))
                : rp(new CS.Int(+integral));
            })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_integer() {
        var cacheKey = "integer@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        if (input.charCodeAt(pos) === 48) {
          r0 = "0";
          pos++;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            matchFailed("\"0\"");
          }
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          if (/^[1-9]/.test(input.charAt(pos))) {
            r3 = input.charAt(pos);
            pos++;
          } else {
            r3 = null;
            if (reportFailures === 0) {
              matchFailed("[1-9]");
            }
          }
          if (r3 !== null) {
            r4 = [];
            r5 = parse_decimalDigit();
            while (r5 !== null) {
              r4.push(r5);
              r5 = parse_decimalDigit();
            }
            if (r4 !== null) {
              r0 = [r3, r4];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            r0 = input.substring(pos, r1);
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_decimalDigit() {
        var cacheKey = "decimalDigit@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        if (/^[0-9]/.test(input.charAt(pos))) {
          r0 = input.charAt(pos);
          pos++;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            matchFailed("[0-9]");
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_hexDigit() {
        var cacheKey = "hexDigit@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        if (/^[0-9a-fA-F]/.test(input.charAt(pos))) {
          r0 = input.charAt(pos);
          pos++;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            matchFailed("[0-9a-fA-F]");
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_octalDigit() {
        var cacheKey = "octalDigit@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        if (/^[0-7]/.test(input.charAt(pos))) {
          r0 = input.charAt(pos);
          pos++;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            matchFailed("[0-7]");
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_bit() {
        var cacheKey = "bit@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        if (/^[01]/.test(input.charAt(pos))) {
          r0 = input.charAt(pos);
          pos++;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            matchFailed("[01]");
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_string() {
        var cacheKey = "string@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 3) === "\"\"\"") {
          r3 = "\"\"\"";
          pos += 3;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"\\\"\\\"\\\"\"");
          }
        }
        if (r3 !== null) {
          r5 = parse_stringData();
          if (r5 === null) {
            if (input.charCodeAt(pos) === 39) {
              r5 = "'";
              pos++;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\"'\"");
              }
            }
            if (r5 === null) {
              r6 = pos;
              r7 = pos;
              if (input.charCodeAt(pos) === 34) {
                r8 = "\"";
                pos++;
              } else {
                r8 = null;
                if (reportFailures === 0) {
                  matchFailed("\"\\\"\"");
                }
              }
              if (r8 !== null) {
                if (input.charCodeAt(pos) === 34) {
                  r9 = "\"";
                  pos++;
                } else {
                  r9 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"\\\"\"");
                  }
                }
                r9 = r9 !== null ? r9 : "";
                if (r9 !== null) {
                  r11 = pos;
                  reportFailures++;
                  if (input.charCodeAt(pos) === 34) {
                    r10 = "\"";
                    pos++;
                  } else {
                    r10 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"\\\"\"");
                    }
                  }
                  reportFailures--;
                  if (r10 === null) {
                    r10 = "";
                  } else {
                    r10 = null;
                    pos = r11;
                  }
                  if (r10 !== null) {
                    r5 = [r8, r9, r10];
                  } else {
                    r5 = null;
                    pos = r7;
                  }
                } else {
                  r5 = null;
                  pos = r7;
                }
              } else {
                r5 = null;
                pos = r7;
              }
              if (r5 !== null) {
                r5 = input.substring(pos, r6);
              }
            }
          }
          if (r5 !== null) {
            r4 = [];
            while (r5 !== null) {
              r4.push(r5);
              r5 = parse_stringData();
              if (r5 === null) {
                if (input.charCodeAt(pos) === 39) {
                  r5 = "'";
                  pos++;
                } else {
                  r5 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"'\"");
                  }
                }
                if (r5 === null) {
                  r6 = pos;
                  r7 = pos;
                  if (input.charCodeAt(pos) === 34) {
                    r8 = "\"";
                    pos++;
                  } else {
                    r8 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"\\\"\"");
                    }
                  }
                  if (r8 !== null) {
                    if (input.charCodeAt(pos) === 34) {
                      r9 = "\"";
                      pos++;
                    } else {
                      r9 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"\\\"\"");
                      }
                    }
                    r9 = r9 !== null ? r9 : "";
                    if (r9 !== null) {
                      r11 = pos;
                      reportFailures++;
                      if (input.charCodeAt(pos) === 34) {
                        r10 = "\"";
                        pos++;
                      } else {
                        r10 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"\\\"\"");
                        }
                      }
                      reportFailures--;
                      if (r10 === null) {
                        r10 = "";
                      } else {
                        r10 = null;
                        pos = r11;
                      }
                      if (r10 !== null) {
                        r5 = [r8, r9, r10];
                      } else {
                        r5 = null;
                        pos = r7;
                      }
                    } else {
                      r5 = null;
                      pos = r7;
                    }
                  } else {
                    r5 = null;
                    pos = r7;
                  }
                  if (r5 !== null) {
                    r5 = input.substring(pos, r6);
                  }
                }
              }
            }
          } else {
            r4 = null;
          }
          if (r4 !== null) {
            if (input.substr(pos, 3) === "\"\"\"") {
              r5 = "\"\"\"";
              pos += 3;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\"\\\"\\\"\\\"\"");
              }
            }
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(d) {
              return rp(new CS.String(stripLeadingWhitespace(d.join(''))));
            })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          if (input.substr(pos, 3) === "'''") {
            r3 = "'''";
            pos += 3;
          } else {
            r3 = null;
            if (reportFailures === 0) {
              matchFailed("\"'''\"");
            }
          }
          if (r3 !== null) {
            r5 = parse_stringData();
            if (r5 === null) {
              if (input.charCodeAt(pos) === 34) {
                r5 = "\"";
                pos++;
              } else {
                r5 = null;
                if (reportFailures === 0) {
                  matchFailed("\"\\\"\"");
                }
              }
              if (r5 === null) {
                if (input.charCodeAt(pos) === 35) {
                  r5 = "#";
                  pos++;
                } else {
                  r5 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"#\"");
                  }
                }
                if (r5 === null) {
                  r6 = pos;
                  r7 = pos;
                  if (input.charCodeAt(pos) === 39) {
                    r8 = "'";
                    pos++;
                  } else {
                    r8 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"'\"");
                    }
                  }
                  if (r8 !== null) {
                    if (input.charCodeAt(pos) === 39) {
                      r9 = "'";
                      pos++;
                    } else {
                      r9 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"'\"");
                      }
                    }
                    r9 = r9 !== null ? r9 : "";
                    if (r9 !== null) {
                      r11 = pos;
                      reportFailures++;
                      if (input.charCodeAt(pos) === 39) {
                        r10 = "'";
                        pos++;
                      } else {
                        r10 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"'\"");
                        }
                      }
                      reportFailures--;
                      if (r10 === null) {
                        r10 = "";
                      } else {
                        r10 = null;
                        pos = r11;
                      }
                      if (r10 !== null) {
                        r5 = [r8, r9, r10];
                      } else {
                        r5 = null;
                        pos = r7;
                      }
                    } else {
                      r5 = null;
                      pos = r7;
                    }
                  } else {
                    r5 = null;
                    pos = r7;
                  }
                  if (r5 !== null) {
                    r5 = input.substring(pos, r6);
                  }
                }
              }
            }
            if (r5 !== null) {
              r4 = [];
              while (r5 !== null) {
                r4.push(r5);
                r5 = parse_stringData();
                if (r5 === null) {
                  if (input.charCodeAt(pos) === 34) {
                    r5 = "\"";
                    pos++;
                  } else {
                    r5 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"\\\"\"");
                    }
                  }
                  if (r5 === null) {
                    if (input.charCodeAt(pos) === 35) {
                      r5 = "#";
                      pos++;
                    } else {
                      r5 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"#\"");
                      }
                    }
                    if (r5 === null) {
                      r6 = pos;
                      r7 = pos;
                      if (input.charCodeAt(pos) === 39) {
                        r8 = "'";
                        pos++;
                      } else {
                        r8 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"'\"");
                        }
                      }
                      if (r8 !== null) {
                        if (input.charCodeAt(pos) === 39) {
                          r9 = "'";
                          pos++;
                        } else {
                          r9 = null;
                          if (reportFailures === 0) {
                            matchFailed("\"'\"");
                          }
                        }
                        r9 = r9 !== null ? r9 : "";
                        if (r9 !== null) {
                          r11 = pos;
                          reportFailures++;
                          if (input.charCodeAt(pos) === 39) {
                            r10 = "'";
                            pos++;
                          } else {
                            r10 = null;
                            if (reportFailures === 0) {
                              matchFailed("\"'\"");
                            }
                          }
                          reportFailures--;
                          if (r10 === null) {
                            r10 = "";
                          } else {
                            r10 = null;
                            pos = r11;
                          }
                          if (r10 !== null) {
                            r5 = [r8, r9, r10];
                          } else {
                            r5 = null;
                            pos = r7;
                          }
                        } else {
                          r5 = null;
                          pos = r7;
                        }
                      } else {
                        r5 = null;
                        pos = r7;
                      }
                      if (r5 !== null) {
                        r5 = input.substring(pos, r6);
                      }
                    }
                  }
                }
              }
            } else {
              r4 = null;
            }
            if (r4 !== null) {
              if (input.substr(pos, 3) === "'''") {
                r5 = "'''";
                pos += 3;
              } else {
                r5 = null;
                if (reportFailures === 0) {
                  matchFailed("\"'''\"");
                }
              }
              if (r5 !== null) {
                r0 = [r3, r4, r5];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(d) {
                return rp(new CS.String(stripLeadingWhitespace(d.join(''))));
              })(r4);
          }
          if (r0 === null) {
            pos = r1;
          }
          if (r0 === null) {
            r1 = pos;
            r2 = pos;
            if (input.charCodeAt(pos) === 34) {
              r3 = "\"";
              pos++;
            } else {
              r3 = null;
              if (reportFailures === 0) {
                matchFailed("\"\\\"\"");
              }
            }
            if (r3 !== null) {
              r4 = [];
              r5 = parse_stringData();
              if (r5 === null) {
                if (input.charCodeAt(pos) === 39) {
                  r5 = "'";
                  pos++;
                } else {
                  r5 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"'\"");
                  }
                }
              }
              while (r5 !== null) {
                r4.push(r5);
                r5 = parse_stringData();
                if (r5 === null) {
                  if (input.charCodeAt(pos) === 39) {
                    r5 = "'";
                    pos++;
                  } else {
                    r5 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"'\"");
                    }
                  }
                }
              }
              if (r4 !== null) {
                if (input.charCodeAt(pos) === 34) {
                  r5 = "\"";
                  pos++;
                } else {
                  r5 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"\\\"\"");
                  }
                }
                if (r5 !== null) {
                  r0 = [r3, r4, r5];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
            if (r0 !== null) {
              reportedPos = r1;
              r0 = (function(d) { return rp(new CS.String(d.join(''))); })(r4);
            }
            if (r0 === null) {
              pos = r1;
            }
            if (r0 === null) {
              r1 = pos;
              r2 = pos;
              if (input.charCodeAt(pos) === 39) {
                r3 = "'";
                pos++;
              } else {
                r3 = null;
                if (reportFailures === 0) {
                  matchFailed("\"'\"");
                }
              }
              if (r3 !== null) {
                r4 = [];
                r5 = parse_stringData();
                if (r5 === null) {
                  if (input.charCodeAt(pos) === 34) {
                    r5 = "\"";
                    pos++;
                  } else {
                    r5 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"\\\"\"");
                    }
                  }
                  if (r5 === null) {
                    if (input.charCodeAt(pos) === 35) {
                      r5 = "#";
                      pos++;
                    } else {
                      r5 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"#\"");
                      }
                    }
                  }
                }
                while (r5 !== null) {
                  r4.push(r5);
                  r5 = parse_stringData();
                  if (r5 === null) {
                    if (input.charCodeAt(pos) === 34) {
                      r5 = "\"";
                      pos++;
                    } else {
                      r5 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"\\\"\"");
                      }
                    }
                    if (r5 === null) {
                      if (input.charCodeAt(pos) === 35) {
                        r5 = "#";
                        pos++;
                      } else {
                        r5 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"#\"");
                        }
                      }
                    }
                  }
                }
                if (r4 !== null) {
                  if (input.charCodeAt(pos) === 39) {
                    r5 = "'";
                    pos++;
                  } else {
                    r5 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"'\"");
                    }
                  }
                  if (r5 !== null) {
                    r0 = [r3, r4, r5];
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
              if (r0 !== null) {
                reportedPos = r1;
                r0 = (function(d) { return rp(new CS.String(d.join(''))); })(r4);
              }
              if (r0 === null) {
                pos = r1;
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_stringData() {
        var cacheKey = "stringData@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8;
        
        if (/^[^"'\\#]/.test(input.charAt(pos))) {
          r0 = input.charAt(pos);
          pos++;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            matchFailed("[^\"'\\\\#]");
          }
        }
        if (r0 === null) {
          r0 = parse_UnicodeEscapeSequence();
          if (r0 === null) {
            r1 = pos;
            r2 = pos;
            if (input.substr(pos, 2) === "\\x") {
              r3 = "\\x";
              pos += 2;
            } else {
              r3 = null;
              if (reportFailures === 0) {
                matchFailed("\"\\\\x\"");
              }
            }
            if (r3 !== null) {
              r5 = pos;
              r6 = pos;
              r7 = parse_hexDigit();
              if (r7 !== null) {
                r8 = parse_hexDigit();
                if (r8 !== null) {
                  r4 = [r7, r8];
                } else {
                  r4 = null;
                  pos = r6;
                }
              } else {
                r4 = null;
                pos = r6;
              }
              if (r4 !== null) {
                r4 = input.substring(pos, r5);
              }
              if (r4 !== null) {
                r0 = [r3, r4];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
            if (r0 !== null) {
              reportedPos = r1;
              r0 = (function(h) { return String.fromCharCode(parseInt(h, 16)); })(r4);
            }
            if (r0 === null) {
              pos = r1;
            }
            if (r0 === null) {
              r1 = pos;
              r2 = pos;
              if (input.substr(pos, 2) === "\\0") {
                r3 = "\\0";
                pos += 2;
              } else {
                r3 = null;
                if (reportFailures === 0) {
                  matchFailed("\"\\\\0\"");
                }
              }
              if (r3 !== null) {
                r5 = pos;
                reportFailures++;
                r4 = parse_decimalDigit();
                reportFailures--;
                if (r4 === null) {
                  r4 = "";
                } else {
                  r4 = null;
                  pos = r5;
                }
                if (r4 !== null) {
                  r0 = [r3, r4];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
              if (r0 !== null) {
                reportedPos = r1;
                r0 = (function() { return '\0'; })();
              }
              if (r0 === null) {
                pos = r1;
              }
              if (r0 === null) {
                r1 = pos;
                r2 = pos;
                if (input.substr(pos, 2) === "\\0") {
                  r3 = "\\0";
                  pos += 2;
                } else {
                  r3 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"\\\\0\"");
                  }
                }
                if (r3 !== null) {
                  r5 = pos;
                  reportFailures++;
                  r4 = parse_decimalDigit();
                  reportFailures--;
                  if (r4 !== null) {
                    r4 = "";
                    pos = r5;
                  } else {
                    r4 = null;
                  }
                  if (r4 !== null) {
                    r0 = [r3, r4];
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
                if (r0 !== null) {
                  reportedPos = r1;
                  r0 = (function() { throw new SyntaxError(['string data'], 'octal escape sequence', offset(), line(), column()); })();
                }
                if (r0 === null) {
                  pos = r1;
                }
                if (r0 === null) {
                  r1 = pos;
                  if (input.substr(pos, 2) === "\\b") {
                    r0 = "\\b";
                    pos += 2;
                  } else {
                    r0 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"\\\\b\"");
                    }
                  }
                  if (r0 !== null) {
                    reportedPos = r1;
                    r0 = (function() { return '\b'; })();
                  }
                  if (r0 === null) {
                    pos = r1;
                  }
                  if (r0 === null) {
                    r1 = pos;
                    if (input.substr(pos, 2) === "\\t") {
                      r0 = "\\t";
                      pos += 2;
                    } else {
                      r0 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"\\\\t\"");
                      }
                    }
                    if (r0 !== null) {
                      reportedPos = r1;
                      r0 = (function() { return '\t'; })();
                    }
                    if (r0 === null) {
                      pos = r1;
                    }
                    if (r0 === null) {
                      r1 = pos;
                      if (input.substr(pos, 2) === "\\n") {
                        r0 = "\\n";
                        pos += 2;
                      } else {
                        r0 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"\\\\n\"");
                        }
                      }
                      if (r0 !== null) {
                        reportedPos = r1;
                        r0 = (function() { return '\n'; })();
                      }
                      if (r0 === null) {
                        pos = r1;
                      }
                      if (r0 === null) {
                        r1 = pos;
                        if (input.substr(pos, 2) === "\\v") {
                          r0 = "\\v";
                          pos += 2;
                        } else {
                          r0 = null;
                          if (reportFailures === 0) {
                            matchFailed("\"\\\\v\"");
                          }
                        }
                        if (r0 !== null) {
                          reportedPos = r1;
                          r0 = (function() { return '\v'; })();
                        }
                        if (r0 === null) {
                          pos = r1;
                        }
                        if (r0 === null) {
                          r1 = pos;
                          if (input.substr(pos, 2) === "\\f") {
                            r0 = "\\f";
                            pos += 2;
                          } else {
                            r0 = null;
                            if (reportFailures === 0) {
                              matchFailed("\"\\\\f\"");
                            }
                          }
                          if (r0 !== null) {
                            reportedPos = r1;
                            r0 = (function() { return '\f'; })();
                          }
                          if (r0 === null) {
                            pos = r1;
                          }
                          if (r0 === null) {
                            r1 = pos;
                            if (input.substr(pos, 2) === "\\r") {
                              r0 = "\\r";
                              pos += 2;
                            } else {
                              r0 = null;
                              if (reportFailures === 0) {
                                matchFailed("\"\\\\r\"");
                              }
                            }
                            if (r0 !== null) {
                              reportedPos = r1;
                              r0 = (function() { return '\r'; })();
                            }
                            if (r0 === null) {
                              pos = r1;
                            }
                            if (r0 === null) {
                              r1 = pos;
                              r2 = pos;
                              if (input.charCodeAt(pos) === 92) {
                                r3 = "\\";
                                pos++;
                              } else {
                                r3 = null;
                                if (reportFailures === 0) {
                                  matchFailed("\"\\\\\"");
                                }
                              }
                              if (r3 !== null) {
                                if (input.length > pos) {
                                  r4 = input.charAt(pos);
                                  pos++;
                                } else {
                                  r4 = null;
                                  if (reportFailures === 0) {
                                    matchFailed("any character");
                                  }
                                }
                                if (r4 !== null) {
                                  r0 = [r3, r4];
                                } else {
                                  r0 = null;
                                  pos = r2;
                                }
                              } else {
                                r0 = null;
                                pos = r2;
                              }
                              if (r0 !== null) {
                                reportedPos = r1;
                                r0 = (function(c) { return c; })(r4);
                              }
                              if (r0 === null) {
                                pos = r1;
                              }
                              if (r0 === null) {
                                r1 = pos;
                                r2 = pos;
                                if (input.charCodeAt(pos) === 35) {
                                  r3 = "#";
                                  pos++;
                                } else {
                                  r3 = null;
                                  if (reportFailures === 0) {
                                    matchFailed("\"#\"");
                                  }
                                }
                                if (r3 !== null) {
                                  r5 = pos;
                                  reportFailures++;
                                  if (input.charCodeAt(pos) === 123) {
                                    r4 = "{";
                                    pos++;
                                  } else {
                                    r4 = null;
                                    if (reportFailures === 0) {
                                      matchFailed("\"{\"");
                                    }
                                  }
                                  reportFailures--;
                                  if (r4 === null) {
                                    r4 = "";
                                  } else {
                                    r4 = null;
                                    pos = r5;
                                  }
                                  if (r4 !== null) {
                                    r0 = [r3, r4];
                                  } else {
                                    r0 = null;
                                    pos = r2;
                                  }
                                } else {
                                  r0 = null;
                                  pos = r2;
                                }
                                if (r0 !== null) {
                                  reportedPos = r1;
                                  r0 = (function(c) { return c; })(r3);
                                }
                                if (r0 === null) {
                                  pos = r1;
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_interpolation() {
        var cacheKey = "interpolation@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 3) === "\"\"\"") {
          r3 = "\"\"\"";
          pos += 3;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"\\\"\\\"\\\"\"");
          }
        }
        if (r3 !== null) {
          r6 = pos;
          r7 = parse_stringData();
          if (r7 === null) {
            if (input.charCodeAt(pos) === 39) {
              r7 = "'";
              pos++;
            } else {
              r7 = null;
              if (reportFailures === 0) {
                matchFailed("\"'\"");
              }
            }
            if (r7 === null) {
              r8 = pos;
              r9 = pos;
              if (input.charCodeAt(pos) === 34) {
                r10 = "\"";
                pos++;
              } else {
                r10 = null;
                if (reportFailures === 0) {
                  matchFailed("\"\\\"\"");
                }
              }
              if (r10 !== null) {
                if (input.charCodeAt(pos) === 34) {
                  r11 = "\"";
                  pos++;
                } else {
                  r11 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"\\\"\"");
                  }
                }
                r11 = r11 !== null ? r11 : "";
                if (r11 !== null) {
                  r13 = pos;
                  reportFailures++;
                  if (input.charCodeAt(pos) === 34) {
                    r12 = "\"";
                    pos++;
                  } else {
                    r12 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"\\\"\"");
                    }
                  }
                  reportFailures--;
                  if (r12 === null) {
                    r12 = "";
                  } else {
                    r12 = null;
                    pos = r13;
                  }
                  if (r12 !== null) {
                    r7 = [r10, r11, r12];
                  } else {
                    r7 = null;
                    pos = r9;
                  }
                } else {
                  r7 = null;
                  pos = r9;
                }
              } else {
                r7 = null;
                pos = r9;
              }
              if (r7 !== null) {
                r7 = input.substring(pos, r8);
              }
            }
          }
          if (r7 !== null) {
            r5 = [];
            while (r7 !== null) {
              r5.push(r7);
              r7 = parse_stringData();
              if (r7 === null) {
                if (input.charCodeAt(pos) === 39) {
                  r7 = "'";
                  pos++;
                } else {
                  r7 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"'\"");
                  }
                }
                if (r7 === null) {
                  r8 = pos;
                  r9 = pos;
                  if (input.charCodeAt(pos) === 34) {
                    r10 = "\"";
                    pos++;
                  } else {
                    r10 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"\\\"\"");
                    }
                  }
                  if (r10 !== null) {
                    if (input.charCodeAt(pos) === 34) {
                      r11 = "\"";
                      pos++;
                    } else {
                      r11 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"\\\"\"");
                      }
                    }
                    r11 = r11 !== null ? r11 : "";
                    if (r11 !== null) {
                      r13 = pos;
                      reportFailures++;
                      if (input.charCodeAt(pos) === 34) {
                        r12 = "\"";
                        pos++;
                      } else {
                        r12 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"\\\"\"");
                        }
                      }
                      reportFailures--;
                      if (r12 === null) {
                        r12 = "";
                      } else {
                        r12 = null;
                        pos = r13;
                      }
                      if (r12 !== null) {
                        r7 = [r10, r11, r12];
                      } else {
                        r7 = null;
                        pos = r9;
                      }
                    } else {
                      r7 = null;
                      pos = r9;
                    }
                  } else {
                    r7 = null;
                    pos = r9;
                  }
                  if (r7 !== null) {
                    r7 = input.substring(pos, r8);
                  }
                }
              }
            }
          } else {
            r5 = null;
          }
          if (r5 !== null) {
            reportedPos = r6;
            r5 = (function(d) { return rp(new CS.String(d.join(''))); })(r5);
          }
          if (r5 === null) {
            pos = r6;
          }
          if (r5 === null) {
            r6 = pos;
            r7 = pos;
            if (input.substr(pos, 2) === "#{") {
              r8 = "#{";
              pos += 2;
            } else {
              r8 = null;
              if (reportFailures === 0) {
                matchFailed("\"#{\"");
              }
            }
            if (r8 !== null) {
              r9 = parse__();
              if (r9 !== null) {
                r10 = parse_expression();
                if (r10 !== null) {
                  r11 = parse__();
                  if (r11 !== null) {
                    if (input.charCodeAt(pos) === 125) {
                      r12 = "}";
                      pos++;
                    } else {
                      r12 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"}\"");
                      }
                    }
                    if (r12 !== null) {
                      r5 = [r8, r9, r10, r11, r12];
                    } else {
                      r5 = null;
                      pos = r7;
                    }
                  } else {
                    r5 = null;
                    pos = r7;
                  }
                } else {
                  r5 = null;
                  pos = r7;
                }
              } else {
                r5 = null;
                pos = r7;
              }
            } else {
              r5 = null;
              pos = r7;
            }
            if (r5 !== null) {
              reportedPos = r6;
              r5 = (function(e) { return e; })(r10);
            }
            if (r5 === null) {
              pos = r6;
            }
          }
          if (r5 !== null) {
            r4 = [];
            while (r5 !== null) {
              r4.push(r5);
              r6 = pos;
              r7 = parse_stringData();
              if (r7 === null) {
                if (input.charCodeAt(pos) === 39) {
                  r7 = "'";
                  pos++;
                } else {
                  r7 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"'\"");
                  }
                }
                if (r7 === null) {
                  r8 = pos;
                  r9 = pos;
                  if (input.charCodeAt(pos) === 34) {
                    r10 = "\"";
                    pos++;
                  } else {
                    r10 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"\\\"\"");
                    }
                  }
                  if (r10 !== null) {
                    if (input.charCodeAt(pos) === 34) {
                      r11 = "\"";
                      pos++;
                    } else {
                      r11 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"\\\"\"");
                      }
                    }
                    r11 = r11 !== null ? r11 : "";
                    if (r11 !== null) {
                      r13 = pos;
                      reportFailures++;
                      if (input.charCodeAt(pos) === 34) {
                        r12 = "\"";
                        pos++;
                      } else {
                        r12 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"\\\"\"");
                        }
                      }
                      reportFailures--;
                      if (r12 === null) {
                        r12 = "";
                      } else {
                        r12 = null;
                        pos = r13;
                      }
                      if (r12 !== null) {
                        r7 = [r10, r11, r12];
                      } else {
                        r7 = null;
                        pos = r9;
                      }
                    } else {
                      r7 = null;
                      pos = r9;
                    }
                  } else {
                    r7 = null;
                    pos = r9;
                  }
                  if (r7 !== null) {
                    r7 = input.substring(pos, r8);
                  }
                }
              }
              if (r7 !== null) {
                r5 = [];
                while (r7 !== null) {
                  r5.push(r7);
                  r7 = parse_stringData();
                  if (r7 === null) {
                    if (input.charCodeAt(pos) === 39) {
                      r7 = "'";
                      pos++;
                    } else {
                      r7 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"'\"");
                      }
                    }
                    if (r7 === null) {
                      r8 = pos;
                      r9 = pos;
                      if (input.charCodeAt(pos) === 34) {
                        r10 = "\"";
                        pos++;
                      } else {
                        r10 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"\\\"\"");
                        }
                      }
                      if (r10 !== null) {
                        if (input.charCodeAt(pos) === 34) {
                          r11 = "\"";
                          pos++;
                        } else {
                          r11 = null;
                          if (reportFailures === 0) {
                            matchFailed("\"\\\"\"");
                          }
                        }
                        r11 = r11 !== null ? r11 : "";
                        if (r11 !== null) {
                          r13 = pos;
                          reportFailures++;
                          if (input.charCodeAt(pos) === 34) {
                            r12 = "\"";
                            pos++;
                          } else {
                            r12 = null;
                            if (reportFailures === 0) {
                              matchFailed("\"\\\"\"");
                            }
                          }
                          reportFailures--;
                          if (r12 === null) {
                            r12 = "";
                          } else {
                            r12 = null;
                            pos = r13;
                          }
                          if (r12 !== null) {
                            r7 = [r10, r11, r12];
                          } else {
                            r7 = null;
                            pos = r9;
                          }
                        } else {
                          r7 = null;
                          pos = r9;
                        }
                      } else {
                        r7 = null;
                        pos = r9;
                      }
                      if (r7 !== null) {
                        r7 = input.substring(pos, r8);
                      }
                    }
                  }
                }
              } else {
                r5 = null;
              }
              if (r5 !== null) {
                reportedPos = r6;
                r5 = (function(d) { return rp(new CS.String(d.join(''))); })(r5);
              }
              if (r5 === null) {
                pos = r6;
              }
              if (r5 === null) {
                r6 = pos;
                r7 = pos;
                if (input.substr(pos, 2) === "#{") {
                  r8 = "#{";
                  pos += 2;
                } else {
                  r8 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"#{\"");
                  }
                }
                if (r8 !== null) {
                  r9 = parse__();
                  if (r9 !== null) {
                    r10 = parse_expression();
                    if (r10 !== null) {
                      r11 = parse__();
                      if (r11 !== null) {
                        if (input.charCodeAt(pos) === 125) {
                          r12 = "}";
                          pos++;
                        } else {
                          r12 = null;
                          if (reportFailures === 0) {
                            matchFailed("\"}\"");
                          }
                        }
                        if (r12 !== null) {
                          r5 = [r8, r9, r10, r11, r12];
                        } else {
                          r5 = null;
                          pos = r7;
                        }
                      } else {
                        r5 = null;
                        pos = r7;
                      }
                    } else {
                      r5 = null;
                      pos = r7;
                    }
                  } else {
                    r5 = null;
                    pos = r7;
                  }
                } else {
                  r5 = null;
                  pos = r7;
                }
                if (r5 !== null) {
                  reportedPos = r6;
                  r5 = (function(e) { return e; })(r10);
                }
                if (r5 === null) {
                  pos = r6;
                }
              }
            }
          } else {
            r4 = null;
          }
          if (r4 !== null) {
            if (input.substr(pos, 3) === "\"\"\"") {
              r5 = "\"\"\"";
              pos += 3;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\"\\\"\\\"\\\"\"");
              }
            }
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(es) {
              return rp(createInterpolation(stripLeadingWhitespaceInterpolation(es)));
            })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          if (input.charCodeAt(pos) === 34) {
            r3 = "\"";
            pos++;
          } else {
            r3 = null;
            if (reportFailures === 0) {
              matchFailed("\"\\\"\"");
            }
          }
          if (r3 !== null) {
            r6 = pos;
            r7 = parse_stringData();
            if (r7 === null) {
              if (input.charCodeAt(pos) === 39) {
                r7 = "'";
                pos++;
              } else {
                r7 = null;
                if (reportFailures === 0) {
                  matchFailed("\"'\"");
                }
              }
            }
            if (r7 !== null) {
              r5 = [];
              while (r7 !== null) {
                r5.push(r7);
                r7 = parse_stringData();
                if (r7 === null) {
                  if (input.charCodeAt(pos) === 39) {
                    r7 = "'";
                    pos++;
                  } else {
                    r7 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"'\"");
                    }
                  }
                }
              }
            } else {
              r5 = null;
            }
            if (r5 !== null) {
              reportedPos = r6;
              r5 = (function(d) { return rp(new CS.String(d.join(''))); })(r5);
            }
            if (r5 === null) {
              pos = r6;
            }
            if (r5 === null) {
              r6 = pos;
              r7 = pos;
              if (input.substr(pos, 2) === "#{") {
                r8 = "#{";
                pos += 2;
              } else {
                r8 = null;
                if (reportFailures === 0) {
                  matchFailed("\"#{\"");
                }
              }
              if (r8 !== null) {
                r9 = parse__();
                if (r9 !== null) {
                  r10 = parse_expression();
                  if (r10 !== null) {
                    r11 = parse__();
                    if (r11 !== null) {
                      if (input.charCodeAt(pos) === 125) {
                        r12 = "}";
                        pos++;
                      } else {
                        r12 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"}\"");
                        }
                      }
                      if (r12 !== null) {
                        r5 = [r8, r9, r10, r11, r12];
                      } else {
                        r5 = null;
                        pos = r7;
                      }
                    } else {
                      r5 = null;
                      pos = r7;
                    }
                  } else {
                    r5 = null;
                    pos = r7;
                  }
                } else {
                  r5 = null;
                  pos = r7;
                }
              } else {
                r5 = null;
                pos = r7;
              }
              if (r5 !== null) {
                reportedPos = r6;
                r5 = (function(e) { return e; })(r10);
              }
              if (r5 === null) {
                pos = r6;
              }
            }
            if (r5 !== null) {
              r4 = [];
              while (r5 !== null) {
                r4.push(r5);
                r6 = pos;
                r7 = parse_stringData();
                if (r7 === null) {
                  if (input.charCodeAt(pos) === 39) {
                    r7 = "'";
                    pos++;
                  } else {
                    r7 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"'\"");
                    }
                  }
                }
                if (r7 !== null) {
                  r5 = [];
                  while (r7 !== null) {
                    r5.push(r7);
                    r7 = parse_stringData();
                    if (r7 === null) {
                      if (input.charCodeAt(pos) === 39) {
                        r7 = "'";
                        pos++;
                      } else {
                        r7 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"'\"");
                        }
                      }
                    }
                  }
                } else {
                  r5 = null;
                }
                if (r5 !== null) {
                  reportedPos = r6;
                  r5 = (function(d) { return rp(new CS.String(d.join(''))); })(r5);
                }
                if (r5 === null) {
                  pos = r6;
                }
                if (r5 === null) {
                  r6 = pos;
                  r7 = pos;
                  if (input.substr(pos, 2) === "#{") {
                    r8 = "#{";
                    pos += 2;
                  } else {
                    r8 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"#{\"");
                    }
                  }
                  if (r8 !== null) {
                    r9 = parse__();
                    if (r9 !== null) {
                      r10 = parse_expression();
                      if (r10 !== null) {
                        r11 = parse__();
                        if (r11 !== null) {
                          if (input.charCodeAt(pos) === 125) {
                            r12 = "}";
                            pos++;
                          } else {
                            r12 = null;
                            if (reportFailures === 0) {
                              matchFailed("\"}\"");
                            }
                          }
                          if (r12 !== null) {
                            r5 = [r8, r9, r10, r11, r12];
                          } else {
                            r5 = null;
                            pos = r7;
                          }
                        } else {
                          r5 = null;
                          pos = r7;
                        }
                      } else {
                        r5 = null;
                        pos = r7;
                      }
                    } else {
                      r5 = null;
                      pos = r7;
                    }
                  } else {
                    r5 = null;
                    pos = r7;
                  }
                  if (r5 !== null) {
                    reportedPos = r6;
                    r5 = (function(e) { return e; })(r10);
                  }
                  if (r5 === null) {
                    pos = r6;
                  }
                }
              }
            } else {
              r4 = null;
            }
            if (r4 !== null) {
              if (input.charCodeAt(pos) === 34) {
                r5 = "\"";
                pos++;
              } else {
                r5 = null;
                if (reportFailures === 0) {
                  matchFailed("\"\\\"\"");
                }
              }
              if (r5 !== null) {
                r0 = [r3, r4, r5];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(es) {
                return rp(createInterpolation(es));
              })(r4);
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_regexp() {
        var cacheKey = "regexp@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 3) === "///") {
          r3 = "///";
          pos += 3;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"///\"");
          }
        }
        if (r3 !== null) {
          r6 = pos;
          if (/^[ \r\n]/.test(input.charAt(pos))) {
            r7 = input.charAt(pos);
            pos++;
          } else {
            r7 = null;
            if (reportFailures === 0) {
              matchFailed("[ \\r\\n]");
            }
          }
          if (r7 !== null) {
            r5 = [];
            while (r7 !== null) {
              r5.push(r7);
              if (/^[ \r\n]/.test(input.charAt(pos))) {
                r7 = input.charAt(pos);
                pos++;
              } else {
                r7 = null;
                if (reportFailures === 0) {
                  matchFailed("[ \\r\\n]");
                }
              }
            }
          } else {
            r5 = null;
          }
          if (r5 !== null) {
            reportedPos = r6;
            r5 = (function() { return [rp(new CS.String('').g())]; })();
          }
          if (r5 === null) {
            pos = r6;
          }
          if (r5 === null) {
            r6 = pos;
            if (/^[^\\\/#[ \r\n]/.test(input.charAt(pos))) {
              r7 = input.charAt(pos);
              pos++;
            } else {
              r7 = null;
              if (reportFailures === 0) {
                matchFailed("[^\\\\\\/#[ \\r\\n]");
              }
            }
            if (r7 !== null) {
              r5 = [];
              while (r7 !== null) {
                r5.push(r7);
                if (/^[^\\\/#[ \r\n]/.test(input.charAt(pos))) {
                  r7 = input.charAt(pos);
                  pos++;
                } else {
                  r7 = null;
                  if (reportFailures === 0) {
                    matchFailed("[^\\\\\\/#[ \\r\\n]");
                  }
                }
              }
            } else {
              r5 = null;
            }
            if (r5 !== null) {
              reportedPos = r6;
              r5 = (function(s) { return [rp(new CS.String(s.join('')).g())]; })(r5);
            }
            if (r5 === null) {
              pos = r6;
            }
            if (r5 === null) {
              r5 = parse_hereregexpData();
            }
          }
          if (r5 !== null) {
            r4 = [];
            while (r5 !== null) {
              r4.push(r5);
              r6 = pos;
              if (/^[ \r\n]/.test(input.charAt(pos))) {
                r7 = input.charAt(pos);
                pos++;
              } else {
                r7 = null;
                if (reportFailures === 0) {
                  matchFailed("[ \\r\\n]");
                }
              }
              if (r7 !== null) {
                r5 = [];
                while (r7 !== null) {
                  r5.push(r7);
                  if (/^[ \r\n]/.test(input.charAt(pos))) {
                    r7 = input.charAt(pos);
                    pos++;
                  } else {
                    r7 = null;
                    if (reportFailures === 0) {
                      matchFailed("[ \\r\\n]");
                    }
                  }
                }
              } else {
                r5 = null;
              }
              if (r5 !== null) {
                reportedPos = r6;
                r5 = (function() { return [rp(new CS.String('').g())]; })();
              }
              if (r5 === null) {
                pos = r6;
              }
              if (r5 === null) {
                r6 = pos;
                if (/^[^\\\/#[ \r\n]/.test(input.charAt(pos))) {
                  r7 = input.charAt(pos);
                  pos++;
                } else {
                  r7 = null;
                  if (reportFailures === 0) {
                    matchFailed("[^\\\\\\/#[ \\r\\n]");
                  }
                }
                if (r7 !== null) {
                  r5 = [];
                  while (r7 !== null) {
                    r5.push(r7);
                    if (/^[^\\\/#[ \r\n]/.test(input.charAt(pos))) {
                      r7 = input.charAt(pos);
                      pos++;
                    } else {
                      r7 = null;
                      if (reportFailures === 0) {
                        matchFailed("[^\\\\\\/#[ \\r\\n]");
                      }
                    }
                  }
                } else {
                  r5 = null;
                }
                if (r5 !== null) {
                  reportedPos = r6;
                  r5 = (function(s) { return [rp(new CS.String(s.join('')).g())]; })(r5);
                }
                if (r5 === null) {
                  pos = r6;
                }
                if (r5 === null) {
                  r5 = parse_hereregexpData();
                }
              }
            }
          } else {
            r4 = null;
          }
          if (r4 !== null) {
            if (input.substr(pos, 3) === "///") {
              r5 = "///";
              pos += 3;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\"///\"");
              }
            }
            if (r5 !== null) {
              r6 = [];
              if (/^[gimy]/.test(input.charAt(pos))) {
                r7 = input.charAt(pos);
                pos++;
              } else {
                r7 = null;
                if (reportFailures === 0) {
                  matchFailed("[gimy]");
                }
              }
              while (r7 !== null) {
                r6.push(r7);
                if (/^[gimy]/.test(input.charAt(pos))) {
                  r7 = input.charAt(pos);
                  pos++;
                } else {
                  r7 = null;
                  if (reportFailures === 0) {
                    matchFailed("[gimy]");
                  }
                }
              }
              if (r6 !== null) {
                r0 = [r3, r4, r5, r6];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(es, flags) {
              if(!isValidRegExpFlags(flags))
                throw new SyntaxError(['regular expression flags'], 'regular expression flags', offset(), line(), column());
              if(!flags) flags = [];
              var interp = createInterpolation(foldl(function(memo, e){ return memo.concat(e); }, [], es));
              if(interp instanceof CS.String) return p(new CS.RegExp(interp.data, flags));
              return rp(new CS.HeregExp(interp, flags));
            })(r4, r6);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          if (input.charCodeAt(pos) === 47) {
            r3 = "/";
            pos++;
          } else {
            r3 = null;
            if (reportFailures === 0) {
              matchFailed("\"/\"");
            }
          }
          if (r3 !== null) {
            r4 = [];
            r5 = parse_regexpData();
            if (r5 === null) {
              r6 = pos;
              if (/^[^\/\\[\n]/.test(input.charAt(pos))) {
                r7 = input.charAt(pos);
                pos++;
              } else {
                r7 = null;
                if (reportFailures === 0) {
                  matchFailed("[^\\/\\\\[\\n]");
                }
              }
              if (r7 !== null) {
                r5 = [];
                while (r7 !== null) {
                  r5.push(r7);
                  if (/^[^\/\\[\n]/.test(input.charAt(pos))) {
                    r7 = input.charAt(pos);
                    pos++;
                  } else {
                    r7 = null;
                    if (reportFailures === 0) {
                      matchFailed("[^\\/\\\\[\\n]");
                    }
                  }
                }
              } else {
                r5 = null;
              }
              if (r5 !== null) {
                reportedPos = r6;
                r5 = (function(d) { return d.join(''); })(r5);
              }
              if (r5 === null) {
                pos = r6;
              }
            }
            while (r5 !== null) {
              r4.push(r5);
              r5 = parse_regexpData();
              if (r5 === null) {
                r6 = pos;
                if (/^[^\/\\[\n]/.test(input.charAt(pos))) {
                  r7 = input.charAt(pos);
                  pos++;
                } else {
                  r7 = null;
                  if (reportFailures === 0) {
                    matchFailed("[^\\/\\\\[\\n]");
                  }
                }
                if (r7 !== null) {
                  r5 = [];
                  while (r7 !== null) {
                    r5.push(r7);
                    if (/^[^\/\\[\n]/.test(input.charAt(pos))) {
                      r7 = input.charAt(pos);
                      pos++;
                    } else {
                      r7 = null;
                      if (reportFailures === 0) {
                        matchFailed("[^\\/\\\\[\\n]");
                      }
                    }
                  }
                } else {
                  r5 = null;
                }
                if (r5 !== null) {
                  reportedPos = r6;
                  r5 = (function(d) { return d.join(''); })(r5);
                }
                if (r5 === null) {
                  pos = r6;
                }
              }
            }
            if (r4 !== null) {
              if (input.charCodeAt(pos) === 47) {
                r5 = "/";
                pos++;
              } else {
                r5 = null;
                if (reportFailures === 0) {
                  matchFailed("\"/\"");
                }
              }
              if (r5 !== null) {
                r6 = [];
                if (/^[gimy]/.test(input.charAt(pos))) {
                  r7 = input.charAt(pos);
                  pos++;
                } else {
                  r7 = null;
                  if (reportFailures === 0) {
                    matchFailed("[gimy]");
                  }
                }
                while (r7 !== null) {
                  r6.push(r7);
                  if (/^[gimy]/.test(input.charAt(pos))) {
                    r7 = input.charAt(pos);
                    pos++;
                  } else {
                    r7 = null;
                    if (reportFailures === 0) {
                      matchFailed("[gimy]");
                    }
                  }
                }
                if (r6 !== null) {
                  r0 = [r3, r4, r5, r6];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(d, flags) {
                if(!isValidRegExpFlags(flags))
                  throw new SyntaxError(['regular expression flags'], 'regular expression flags', offset(), line(), column());
                return rp(new CS.RegExp(d.join(''), flags));
              })(r4, r6);
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_regexpData() {
        var cacheKey = "regexpData@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.charCodeAt(pos) === 91) {
          r3 = "[";
          pos++;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"[\"");
          }
        }
        if (r3 !== null) {
          r4 = [];
          if (/^[^\\\]\n]/.test(input.charAt(pos))) {
            r5 = input.charAt(pos);
            pos++;
          } else {
            r5 = null;
            if (reportFailures === 0) {
              matchFailed("[^\\\\\\]\\n]");
            }
          }
          if (r5 === null) {
            r5 = parse_regexpData();
          }
          while (r5 !== null) {
            r4.push(r5);
            if (/^[^\\\]\n]/.test(input.charAt(pos))) {
              r5 = input.charAt(pos);
              pos++;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("[^\\\\\\]\\n]");
              }
            }
            if (r5 === null) {
              r5 = parse_regexpData();
            }
          }
          if (r4 !== null) {
            if (input.charCodeAt(pos) === 93) {
              r5 = "]";
              pos++;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\"]\"");
              }
            }
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(d) { return '[' + d.join('') + ']'; })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          if (input.charCodeAt(pos) === 92) {
            r3 = "\\";
            pos++;
          } else {
            r3 = null;
            if (reportFailures === 0) {
              matchFailed("\"\\\\\"");
            }
          }
          if (r3 !== null) {
            if (input.length > pos) {
              r4 = input.charAt(pos);
              pos++;
            } else {
              r4 = null;
              if (reportFailures === 0) {
                matchFailed("any character");
              }
            }
            if (r4 !== null) {
              r0 = [r3, r4];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            r0 = input.substring(pos, r1);
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_hereregexpData() {
        var cacheKey = "hereregexpData@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7;
        
        r1 = pos;
        r2 = pos;
        if (input.charCodeAt(pos) === 91) {
          r3 = "[";
          pos++;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"[\"");
          }
        }
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r5 = parse_hereregexpData();
          if (r5 !== null) {
            reportedPos = r6;
            r5 = (function(h) { return h[0]; })(r5);
          }
          if (r5 === null) {
            pos = r6;
          }
          if (r5 === null) {
            r6 = pos;
            if (/^[^\\\/\]]/.test(input.charAt(pos))) {
              r5 = input.charAt(pos);
              pos++;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("[^\\\\\\/\\]]");
              }
            }
            if (r5 !== null) {
              reportedPos = r6;
              r5 = (function(s) { return p(new CS.String(s)); })(r5);
            }
            if (r5 === null) {
              pos = r6;
            }
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r5 = parse_hereregexpData();
            if (r5 !== null) {
              reportedPos = r6;
              r5 = (function(h) { return h[0]; })(r5);
            }
            if (r5 === null) {
              pos = r6;
            }
            if (r5 === null) {
              r6 = pos;
              if (/^[^\\\/\]]/.test(input.charAt(pos))) {
                r5 = input.charAt(pos);
                pos++;
              } else {
                r5 = null;
                if (reportFailures === 0) {
                  matchFailed("[^\\\\\\/\\]]");
                }
              }
              if (r5 !== null) {
                reportedPos = r6;
                r5 = (function(s) { return p(new CS.String(s)); })(r5);
              }
              if (r5 === null) {
                pos = r6;
              }
            }
          }
          if (r4 !== null) {
            if (input.charCodeAt(pos) === 93) {
              r5 = "]";
              pos++;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\"]\"");
              }
            }
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(d) {
                return [p(new CS.String("["))].concat(d || []).concat([p(new CS.String("]"))]);
              })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = pos;
          if (input.charCodeAt(pos) === 92) {
            r4 = "\\";
            pos++;
          } else {
            r4 = null;
            if (reportFailures === 0) {
              matchFailed("\"\\\\\"");
            }
          }
          if (r4 !== null) {
            if (input.length > pos) {
              r5 = input.charAt(pos);
              pos++;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("any character");
              }
            }
            if (r5 !== null) {
              r0 = [r4, r5];
            } else {
              r0 = null;
              pos = r3;
            }
          } else {
            r0 = null;
            pos = r3;
          }
          if (r0 !== null) {
            r0 = input.substring(pos, r2);
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(d) { return [rp(new CS.String(d))]; })(r0);
          }
          if (r0 === null) {
            pos = r1;
          }
          if (r0 === null) {
            r1 = pos;
            r2 = pos;
            r3 = pos;
            if (input.charCodeAt(pos) === 47) {
              r4 = "/";
              pos++;
            } else {
              r4 = null;
              if (reportFailures === 0) {
                matchFailed("\"/\"");
              }
            }
            if (r4 !== null) {
              if (input.charCodeAt(pos) === 47) {
                r5 = "/";
                pos++;
              } else {
                r5 = null;
                if (reportFailures === 0) {
                  matchFailed("\"/\"");
                }
              }
              r5 = r5 !== null ? r5 : "";
              if (r5 !== null) {
                r7 = pos;
                reportFailures++;
                if (input.charCodeAt(pos) === 47) {
                  r6 = "/";
                  pos++;
                } else {
                  r6 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"/\"");
                  }
                }
                reportFailures--;
                if (r6 === null) {
                  r6 = "";
                } else {
                  r6 = null;
                  pos = r7;
                }
                if (r6 !== null) {
                  r0 = [r4, r5, r6];
                } else {
                  r0 = null;
                  pos = r3;
                }
              } else {
                r0 = null;
                pos = r3;
              }
            } else {
              r0 = null;
              pos = r3;
            }
            if (r0 !== null) {
              r0 = input.substring(pos, r2);
            }
            if (r0 !== null) {
              reportedPos = r1;
              r0 = (function(s) { return [rp(new CS.String(s))]; })(r0);
            }
            if (r0 === null) {
              pos = r1;
            }
            if (r0 === null) {
              r1 = pos;
              r2 = pos;
              if (input.charCodeAt(pos) === 35) {
                r3 = "#";
                pos++;
              } else {
                r3 = null;
                if (reportFailures === 0) {
                  matchFailed("\"#\"");
                }
              }
              if (r3 !== null) {
                r5 = pos;
                reportFailures++;
                if (input.charCodeAt(pos) === 123) {
                  r4 = "{";
                  pos++;
                } else {
                  r4 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"{\"");
                  }
                }
                reportFailures--;
                if (r4 === null) {
                  r4 = "";
                } else {
                  r4 = null;
                  pos = r5;
                }
                if (r4 !== null) {
                  r0 = [r3, r4];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
              if (r0 !== null) {
                reportedPos = r1;
                r0 = (function(c) { return [rp(new CS.String(c))]; })(r3);
              }
              if (r0 === null) {
                pos = r1;
              }
              if (r0 === null) {
                r1 = pos;
                r2 = pos;
                if (input.substr(pos, 2) === "#{") {
                  r3 = "#{";
                  pos += 2;
                } else {
                  r3 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"#{\"");
                  }
                }
                if (r3 !== null) {
                  r4 = parse__();
                  if (r4 !== null) {
                    r5 = parse_expression();
                    if (r5 !== null) {
                      r6 = parse__();
                      if (r6 !== null) {
                        if (input.charCodeAt(pos) === 125) {
                          r7 = "}";
                          pos++;
                        } else {
                          r7 = null;
                          if (reportFailures === 0) {
                            matchFailed("\"}\"");
                          }
                        }
                        if (r7 !== null) {
                          r0 = [r3, r4, r5, r6, r7];
                        } else {
                          r0 = null;
                          pos = r2;
                        }
                      } else {
                        r0 = null;
                        pos = r2;
                      }
                    } else {
                      r0 = null;
                      pos = r2;
                    }
                  } else {
                    r0 = null;
                    pos = r2;
                  }
                } else {
                  r0 = null;
                  pos = r2;
                }
                if (r0 !== null) {
                  reportedPos = r1;
                  r0 = (function(e) { return [e]; })(r5);
                }
                if (r0 === null) {
                  pos = r1;
                }
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_throw() {
        var cacheKey = "throw@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_THROW();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r5 = parse_secondaryExpression();
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e) { return rp(new CS.Throw(e)); })(r5);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_return() {
        var cacheKey = "return@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_RETURN();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            r5 = parse_secondaryExpression();
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e) { return rp(new CS.Return(e || null)); })(r5);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_continue() {
        var cacheKey = "continue@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1;
        
        r1 = pos;
        r0 = parse_CONTINUE();
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function() { return rp(new CS.Continue); })();
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_break() {
        var cacheKey = "break@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1;
        
        r1 = pos;
        r0 = parse_BREAK();
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function() { return rp(new CS.Break); })();
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_debugger() {
        var cacheKey = "debugger@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1;
        
        r1 = pos;
        r0 = parse_DEBUGGER();
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function() { return rp(new CS.Debugger); })();
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_undefined() {
        var cacheKey = "undefined@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1;
        
        r1 = pos;
        r0 = parse_UNDEFINED();
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function() { return rp(new CS.Undefined); })();
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_null() {
        var cacheKey = "null@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1;
        
        r1 = pos;
        r0 = parse_NULL();
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function() { return rp(new CS.Null); })();
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_memberAssign() {
        var cacheKey = "memberAssign@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1;
        
        r1 = pos;
        r0 = parse_memberAccess();
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(access) { access.isAssignment = true; return access })(r0);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_contextAssign() {
        var cacheKey = "contextAssign@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r1 = pos;
        r2 = pos;
        r4 = pos;
        if (input.charCodeAt(pos) === 64) {
          r3 = "@";
          pos++;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"@\"");
          }
        }
        if (r3 !== null) {
          reportedPos = r4;
          r3 = (function() { return rp(new CS.This); })();
        }
        if (r3 === null) {
          pos = r4;
        }
        if (r3 !== null) {
          r4 = parse_identifierName();
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(a, m) {
          return rp(new CS.NativeMemberAccessOp(a, m));
        })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_unassignable() {
        var cacheKey = "unassignable@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r1 = pos;
        if (input.substr(pos, 9) === "arguments") {
          r2 = "arguments";
          pos += 9;
        } else {
          r2 = null;
          if (reportFailures === 0) {
            matchFailed("\"arguments\"");
          }
        }
        if (r2 === null) {
          if (input.substr(pos, 4) === "eval") {
            r2 = "eval";
            pos += 4;
          } else {
            r2 = null;
            if (reportFailures === 0) {
              matchFailed("\"eval\"");
            }
          }
        }
        if (r2 !== null) {
          r4 = pos;
          reportFailures++;
          r3 = parse_identifierPart();
          reportFailures--;
          if (r3 === null) {
            r3 = "";
          } else {
            r3 = null;
            pos = r4;
          }
          if (r3 !== null) {
            r0 = [r2, r3];
          } else {
            r0 = null;
            pos = r1;
          }
        } else {
          r0 = null;
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_CompoundAssignable() {
        var cacheKey = "CompoundAssignable@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r0 = parse_memberAssign();
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r4 = pos;
          reportFailures++;
          r3 = parse_unassignable();
          reportFailures--;
          if (r3 === null) {
            r3 = "";
          } else {
            r3 = null;
            pos = r4;
          }
          if (r3 !== null) {
            r4 = parse_identifier();
            if (r4 !== null) {
              r0 = [r3, r4];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(i) { return i; })(r4);
          }
          if (r0 === null) {
            pos = r1;
          }
          if (r0 === null) {
            r0 = parse_contextAssign();
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_Assignable() {
        var cacheKey = "Assignable@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r0 = parse_memberAssign();
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r4 = pos;
          reportFailures++;
          r3 = parse_unassignable();
          reportFailures--;
          if (r3 === null) {
            r3 = "";
          } else {
            r3 = null;
            pos = r4;
          }
          if (r3 !== null) {
            r4 = parse_identifier();
            if (r4 !== null) {
              r0 = [r3, r4];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(i) { return i; })(r4);
          }
          if (r0 === null) {
            pos = r1;
          }
          if (r0 === null) {
            r0 = parse_contextAssign();
            if (r0 === null) {
              r0 = parse_positionalDestructuring();
              if (r0 === null) {
                r0 = parse_namedDestructuring();
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_positionalDestructuring() {
        var cacheKey = "positionalDestructuring@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7;
        
        r1 = pos;
        r2 = pos;
        if (input.charCodeAt(pos) === 91) {
          r3 = "[";
          pos++;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"[\"");
          }
        }
        if (r3 !== null) {
          r4 = parse_positionalDestructuringBody();
          if (r4 !== null) {
            r5 = parse_TERMINATOR();
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r6 = parse__();
              if (r6 !== null) {
                if (input.charCodeAt(pos) === 93) {
                  r7 = "]";
                  pos++;
                } else {
                  r7 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"]\"");
                  }
                }
                if (r7 !== null) {
                  r0 = [r3, r4, r5, r6, r7];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(members) {
              return rp(new CS.ArrayInitialiser(members));
            })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_positionalDestructuringBody() {
        var cacheKey = "positionalDestructuringBody@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_TERMINDENT();
        if (r3 !== null) {
          r4 = parse_positionalDestructuringMemberList();
          if (r4 !== null) {
            r5 = parse_DEDENT();
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(members) { return members; })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse__();
          if (r3 !== null) {
            r4 = parse_positionalDestructuringMemberList();
            r4 = r4 !== null ? r4 : "";
            if (r4 !== null) {
              r0 = [r3, r4];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(members) { return members || []; })(r4);
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_positionalDestructuringMemberList() {
        var cacheKey = "positionalDestructuringMemberList@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_positionalDestructuringMember();
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r7 = parse__();
          if (r7 !== null) {
            if (input.charCodeAt(pos) === 44) {
              r8 = ",";
              pos++;
            } else {
              r8 = null;
              if (reportFailures === 0) {
                matchFailed("\",\"");
              }
            }
            if (r8 !== null) {
              r9 = parse__();
              if (r9 !== null) {
                r10 = parse_positionalDestructuringMember();
                if (r10 !== null) {
                  r5 = [r7, r8, r9, r10];
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          } else {
            r5 = null;
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r7 = parse__();
            if (r7 !== null) {
              if (input.charCodeAt(pos) === 44) {
                r8 = ",";
                pos++;
              } else {
                r8 = null;
                if (reportFailures === 0) {
                  matchFailed("\",\"");
                }
              }
              if (r8 !== null) {
                r9 = parse__();
                if (r9 !== null) {
                  r10 = parse_positionalDestructuringMember();
                  if (r10 !== null) {
                    r5 = [r7, r8, r9, r10];
                  } else {
                    r5 = null;
                    pos = r6;
                  }
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, es) {
                return [e].concat(es.map(function(e){ return e[3]; }));
              })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_positionalDestructuringMember() {
        var cacheKey = "positionalDestructuringMember@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_rest();
        if (r0 === null) {
          r0 = parse_Assignable();
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_namedDestructuring() {
        var cacheKey = "namedDestructuring@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7;
        
        r1 = pos;
        r2 = pos;
        if (input.charCodeAt(pos) === 123) {
          r3 = "{";
          pos++;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"{\"");
          }
        }
        if (r3 !== null) {
          r4 = parse_namedDestructuringBody();
          if (r4 !== null) {
            r5 = parse_TERMINATOR();
            r5 = r5 !== null ? r5 : "";
            if (r5 !== null) {
              r6 = parse__();
              if (r6 !== null) {
                if (input.charCodeAt(pos) === 125) {
                  r7 = "}";
                  pos++;
                } else {
                  r7 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"}\"");
                  }
                }
                if (r7 !== null) {
                  r0 = [r3, r4, r5, r6, r7];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(members) {
            return rp(new CS.ObjectInitialiser(members));
          })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_namedDestructuringBody() {
        var cacheKey = "namedDestructuringBody@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_TERMINDENT();
        if (r3 !== null) {
          r4 = parse_namedDestructuringMemberList();
          if (r4 !== null) {
            r5 = parse_DEDENT();
            if (r5 !== null) {
              r0 = [r3, r4, r5];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(members) { return members; })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r2 = pos;
          r3 = parse__();
          if (r3 !== null) {
            r4 = parse_namedDestructuringMemberList();
            r4 = r4 !== null ? r4 : "";
            if (r4 !== null) {
              r0 = [r3, r4];
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(members) { return members || []; })(r4);
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_namedDestructuringMemberList() {
        var cacheKey = "namedDestructuringMemberList@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_namedDestructuringMember();
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r7 = parse_TERMINATOR();
          r7 = r7 !== null ? r7 : "";
          if (r7 !== null) {
            r8 = parse__();
            if (r8 !== null) {
              if (input.charCodeAt(pos) === 44) {
                r9 = ",";
                pos++;
              } else {
                r9 = null;
                if (reportFailures === 0) {
                  matchFailed("\",\"");
                }
              }
              if (r9 === null) {
                r9 = parse_TERMINATOR();
              }
              if (r9 !== null) {
                r10 = parse_TERMINATOR();
                r10 = r10 !== null ? r10 : "";
                if (r10 !== null) {
                  r11 = parse__();
                  if (r11 !== null) {
                    r12 = parse_namedDestructuringMember();
                    if (r12 !== null) {
                      r5 = [r7, r8, r9, r10, r11, r12];
                    } else {
                      r5 = null;
                      pos = r6;
                    }
                  } else {
                    r5 = null;
                    pos = r6;
                  }
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          } else {
            r5 = null;
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r7 = parse_TERMINATOR();
            r7 = r7 !== null ? r7 : "";
            if (r7 !== null) {
              r8 = parse__();
              if (r8 !== null) {
                if (input.charCodeAt(pos) === 44) {
                  r9 = ",";
                  pos++;
                } else {
                  r9 = null;
                  if (reportFailures === 0) {
                    matchFailed("\",\"");
                  }
                }
                if (r9 === null) {
                  r9 = parse_TERMINATOR();
                }
                if (r9 !== null) {
                  r10 = parse_TERMINATOR();
                  r10 = r10 !== null ? r10 : "";
                  if (r10 !== null) {
                    r11 = parse__();
                    if (r11 !== null) {
                      r12 = parse_namedDestructuringMember();
                      if (r12 !== null) {
                        r5 = [r7, r8, r9, r10, r11, r12];
                      } else {
                        r5 = null;
                        pos = r6;
                      }
                    } else {
                      r5 = null;
                      pos = r6;
                    }
                  } else {
                    r5 = null;
                    pos = r6;
                  }
                } else {
                  r5 = null;
                  pos = r6;
                }
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(e, es) {
                return [e].concat(es.map(function(e){ return e[5]; }));
              })(r3, r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_namedDestructuringMember() {
        var cacheKey = "namedDestructuringMember@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_ObjectInitialiserKeys();
        if (r3 !== null) {
          r4 = parse__();
          if (r4 !== null) {
            if (input.charCodeAt(pos) === 58) {
              r5 = ":";
              pos++;
            } else {
              r5 = null;
              if (reportFailures === 0) {
                matchFailed("\":\"");
              }
            }
            if (r5 !== null) {
              r6 = parse__();
              if (r6 !== null) {
                r7 = parse_Assignable();
                if (r7 !== null) {
                  r0 = [r3, r4, r5, r6, r7];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(key, val) {
                return rp(new CS.ObjectInitialiserMember(key, val));
              })(r3, r7);
        }
        if (r0 === null) {
          pos = r1;
        }
        if (r0 === null) {
          r1 = pos;
          r0 = parse_contextVar();
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function(v) {
                  var key = rp(new CS.String(v.memberName));
                  return rp(new CS.ObjectInitialiserMember(key, v));
                })(r0);
          }
          if (r0 === null) {
            pos = r1;
          }
          if (r0 === null) {
            r1 = pos;
            r2 = pos;
            r4 = pos;
            reportFailures++;
            r3 = parse_unassignable();
            reportFailures--;
            if (r3 === null) {
              r3 = "";
            } else {
              r3 = null;
              pos = r4;
            }
            if (r3 !== null) {
              r4 = parse_identifier();
              if (r4 !== null) {
                r0 = [r3, r4];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
            if (r0 !== null) {
              reportedPos = r1;
              r0 = (function(i) {
                    return rp(new CS.ObjectInitialiserMember(i, i));
                  })(r4);
            }
            if (r0 === null) {
              pos = r1;
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_identifier() {
        var cacheKey = "identifier@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r1 = pos;
        r2 = pos;
        r4 = pos;
        reportFailures++;
        r3 = parse_reserved();
        reportFailures--;
        if (r3 === null) {
          r3 = "";
        } else {
          r3 = null;
          pos = r4;
        }
        if (r3 !== null) {
          r4 = parse_identifierName();
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(i) { return rp(new CS.Identifier(i)); })(r4);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_identifierName() {
        var cacheKey = "identifierName@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_identifierStart();
        if (r3 !== null) {
          r4 = [];
          r5 = parse_identifierPart();
          while (r5 !== null) {
            r4.push(r5);
            r5 = parse_identifierPart();
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_identifierStart() {
        var cacheKey = "identifierStart@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_UnicodeLetter();
        if (r0 === null) {
          if (/^[$_]/.test(input.charAt(pos))) {
            r0 = input.charAt(pos);
            pos++;
          } else {
            r0 = null;
            if (reportFailures === 0) {
              matchFailed("[$_]");
            }
          }
          if (r0 === null) {
            r0 = parse_UnicodeEscapeSequence();
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_identifierPart() {
        var cacheKey = "identifierPart@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_identifierStart();
        if (r0 === null) {
          r0 = parse_UnicodeCombiningMark();
          if (r0 === null) {
            r0 = parse_UnicodeDigit();
            if (r0 === null) {
              r0 = parse_UnicodeConnectorPunctuation();
              if (r0 === null) {
                r0 = parse_ZWNJ();
                if (r0 === null) {
                  r0 = parse_ZWJ();
                }
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_propertyChain() {
        var cacheKey = "propertyChain@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_propertyChainPart();
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          if (input.charCodeAt(pos) === 46) {
            r7 = ".";
            pos++;
          } else {
            r7 = null;
            if (reportFailures === 0) {
              matchFailed("\".\"");
            }
          }
          if (r7 !== null) {
            r8 = parse_propertyChainPart();
            if (r8 !== null) {
              r5 = [r7, r8];
            } else {
              r5 = null;
              pos = r6;
            }
          } else {
            r5 = null;
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            if (input.charCodeAt(pos) === 46) {
              r7 = ".";
              pos++;
            } else {
              r7 = null;
              if (reportFailures === 0) {
                matchFailed("\".\"");
              }
            }
            if (r7 !== null) {
              r8 = parse_propertyChainPart();
              if (r8 !== null) {
                r5 = [r7, r8];
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_propertyChainPart() {
        var cacheKey = "propertyChainPart@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_Numbers();
        if (r0 === null) {
          r0 = parse_identifierName();
          if (r0 === null) {
            if (input.substr(pos, 5) === "@each") {
              r0 = "@each";
              pos += 5;
            } else {
              r0 = null;
              if (reportFailures === 0) {
                matchFailed("\"@each\"");
              }
            }
            if (r0 === null) {
              if (input.substr(pos, 4) === "this") {
                r0 = "this";
                pos += 4;
              } else {
                r0 = null;
                if (reportFailures === 0) {
                  matchFailed("\"this\"");
                }
              }
              if (r0 === null) {
                if (input.substr(pos, 2) === "[]") {
                  r0 = "[]";
                  pos += 2;
                } else {
                  r0 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"[]\"");
                  }
                }
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse___() {
        var cacheKey = "__@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8;
        
        r1 = pos;
        r2 = pos;
        r4 = parse_whitespace();
        if (r4 !== null) {
          r3 = [];
          while (r4 !== null) {
            r3.push(r4);
            r4 = parse_whitespace();
          }
        } else {
          r3 = null;
        }
        if (r3 !== null) {
          r5 = pos;
          r6 = parse_blockComment();
          if (r6 !== null) {
            r8 = parse_whitespace();
            if (r8 !== null) {
              r7 = [];
              while (r8 !== null) {
                r7.push(r8);
                r8 = parse_whitespace();
              }
            } else {
              r7 = null;
            }
            if (r7 !== null) {
              r4 = [r6, r7];
            } else {
              r4 = null;
              pos = r5;
            }
          } else {
            r4 = null;
            pos = r5;
          }
          r4 = r4 !== null ? r4 : "";
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse__() {
        var cacheKey = "_@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse___();
        r0 = r0 !== null ? r0 : "";
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_comment() {
        var cacheKey = "comment@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        r0 = parse_blockComment();
        if (r0 === null) {
          r0 = parse_singleLineComment();
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_singleLineComment() {
        var cacheKey = "singleLineComment@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8;
        
        r1 = pos;
        r2 = pos;
        if (input.charCodeAt(pos) === 35) {
          r3 = "#";
          pos++;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"#\"");
          }
        }
        if (r3 !== null) {
          r4 = [];
          r6 = pos;
          r8 = pos;
          reportFailures++;
          r7 = parse_TERM();
          reportFailures--;
          if (r7 === null) {
            r7 = "";
          } else {
            r7 = null;
            pos = r8;
          }
          if (r7 !== null) {
            if (input.length > pos) {
              r8 = input.charAt(pos);
              pos++;
            } else {
              r8 = null;
              if (reportFailures === 0) {
                matchFailed("any character");
              }
            }
            if (r8 !== null) {
              r5 = [r7, r8];
            } else {
              r5 = null;
              pos = r6;
            }
          } else {
            r5 = null;
            pos = r6;
          }
          while (r5 !== null) {
            r4.push(r5);
            r6 = pos;
            r8 = pos;
            reportFailures++;
            r7 = parse_TERM();
            reportFailures--;
            if (r7 === null) {
              r7 = "";
            } else {
              r7 = null;
              pos = r8;
            }
            if (r7 !== null) {
              if (input.length > pos) {
                r8 = input.charAt(pos);
                pos++;
              } else {
                r8 = null;
                if (reportFailures === 0) {
                  matchFailed("any character");
                }
              }
              if (r8 !== null) {
                r5 = [r7, r8];
              } else {
                r5 = null;
                pos = r6;
              }
            } else {
              r5 = null;
              pos = r6;
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_blockComment() {
        var cacheKey = "blockComment@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 3) === "###") {
          r3 = "###";
          pos += 3;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"###\"");
          }
        }
        if (r3 !== null) {
          if (/^[^#]/.test(input.charAt(pos))) {
            r4 = input.charAt(pos);
            pos++;
          } else {
            r4 = null;
            if (reportFailures === 0) {
              matchFailed("[^#]");
            }
          }
          if (r4 !== null) {
            r5 = [];
            if (/^[^#]/.test(input.charAt(pos))) {
              r6 = input.charAt(pos);
              pos++;
            } else {
              r6 = null;
              if (reportFailures === 0) {
                matchFailed("[^#]");
              }
            }
            if (r6 === null) {
              r7 = pos;
              if (input.charCodeAt(pos) === 35) {
                r8 = "#";
                pos++;
              } else {
                r8 = null;
                if (reportFailures === 0) {
                  matchFailed("\"#\"");
                }
              }
              if (r8 !== null) {
                if (input.charCodeAt(pos) === 35) {
                  r9 = "#";
                  pos++;
                } else {
                  r9 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"#\"");
                  }
                }
                r9 = r9 !== null ? r9 : "";
                if (r9 !== null) {
                  r11 = pos;
                  reportFailures++;
                  if (input.charCodeAt(pos) === 35) {
                    r10 = "#";
                    pos++;
                  } else {
                    r10 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"#\"");
                    }
                  }
                  reportFailures--;
                  if (r10 === null) {
                    r10 = "";
                  } else {
                    r10 = null;
                    pos = r11;
                  }
                  if (r10 !== null) {
                    r6 = [r8, r9, r10];
                  } else {
                    r6 = null;
                    pos = r7;
                  }
                } else {
                  r6 = null;
                  pos = r7;
                }
              } else {
                r6 = null;
                pos = r7;
              }
            }
            while (r6 !== null) {
              r5.push(r6);
              if (/^[^#]/.test(input.charAt(pos))) {
                r6 = input.charAt(pos);
                pos++;
              } else {
                r6 = null;
                if (reportFailures === 0) {
                  matchFailed("[^#]");
                }
              }
              if (r6 === null) {
                r7 = pos;
                if (input.charCodeAt(pos) === 35) {
                  r8 = "#";
                  pos++;
                } else {
                  r8 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"#\"");
                  }
                }
                if (r8 !== null) {
                  if (input.charCodeAt(pos) === 35) {
                    r9 = "#";
                    pos++;
                  } else {
                    r9 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"#\"");
                    }
                  }
                  r9 = r9 !== null ? r9 : "";
                  if (r9 !== null) {
                    r11 = pos;
                    reportFailures++;
                    if (input.charCodeAt(pos) === 35) {
                      r10 = "#";
                      pos++;
                    } else {
                      r10 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"#\"");
                      }
                    }
                    reportFailures--;
                    if (r10 === null) {
                      r10 = "";
                    } else {
                      r10 = null;
                      pos = r11;
                    }
                    if (r10 !== null) {
                      r6 = [r8, r9, r10];
                    } else {
                      r6 = null;
                      pos = r7;
                    }
                  } else {
                    r6 = null;
                    pos = r7;
                  }
                } else {
                  r6 = null;
                  pos = r7;
                }
              }
            }
            if (r5 !== null) {
              if (input.substr(pos, 3) === "###") {
                r6 = "###";
                pos += 3;
              } else {
                r6 = null;
                if (reportFailures === 0) {
                  matchFailed("\"###\"");
                }
              }
              if (r6 !== null) {
                r0 = [r3, r4, r5, r6];
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_whitespace() {
        var cacheKey = "whitespace@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        if (/^[\t\x0B\f \xA0\uFEFF\u1680\u180E\u2000-\u200A\u202F\u205F\u3000]/.test(input.charAt(pos))) {
          r0 = input.charAt(pos);
          pos++;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            matchFailed("[\\t\\x0B\\f \\xA0\\uFEFF\\u1680\\u180E\\u2000-\\u200A\\u202F\\u205F\\u3000]");
          }
        }
        if (r0 === null) {
          if (input.charCodeAt(pos) === 13) {
            r0 = "\r";
            pos++;
          } else {
            r0 = null;
            if (reportFailures === 0) {
              matchFailed("\"\\r\"");
            }
          }
          if (r0 === null) {
            r1 = pos;
            r2 = pos;
            if (input.charCodeAt(pos) === 92) {
              r3 = "\\";
              pos++;
            } else {
              r3 = null;
              if (reportFailures === 0) {
                matchFailed("\"\\\\\"");
              }
            }
            if (r3 !== null) {
              if (input.charCodeAt(pos) === 13) {
                r4 = "\r";
                pos++;
              } else {
                r4 = null;
                if (reportFailures === 0) {
                  matchFailed("\"\\r\"");
                }
              }
              r4 = r4 !== null ? r4 : "";
              if (r4 !== null) {
                if (input.charCodeAt(pos) === 10) {
                  r5 = "\n";
                  pos++;
                } else {
                  r5 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"\\n\"");
                  }
                }
                if (r5 !== null) {
                  r0 = [r3, r4, r5];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
            if (r0 !== null) {
              r0 = input.substring(pos, r1);
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_INDENT() {
        var cacheKey = "INDENT@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r1 = pos;
        r2 = pos;
        r3 = parse___();
        if (r3 !== null) {
          if (input.charCodeAt(pos) === 61423) {
            r4 = "\uEFEF";
            pos++;
          } else {
            r4 = null;
            if (reportFailures === 0) {
              matchFailed("\"\\uEFEF\"");
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(ws) { return ws; })(r3);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_DEDENT() {
        var cacheKey = "DEDENT@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7;
        
        r1 = pos;
        r2 = pos;
        r4 = pos;
        r5 = pos;
        r6 = parse_TERMINATOR();
        r6 = r6 !== null ? r6 : "";
        if (r6 !== null) {
          r7 = parse__();
          if (r7 !== null) {
            r3 = [r6, r7];
          } else {
            r3 = null;
            pos = r5;
          }
        } else {
          r3 = null;
          pos = r5;
        }
        if (r3 !== null) {
          r3 = input.substring(pos, r4);
        }
        if (r3 !== null) {
          if (input.charCodeAt(pos) === 61438) {
            r4 = "\uEFFE";
            pos++;
          } else {
            r4 = null;
            if (reportFailures === 0) {
              matchFailed("\"\\uEFFE\"");
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(ws) { return ws; })(r3);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_TERM() {
        var cacheKey = "TERM@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r1 = pos;
        r2 = pos;
        if (input.charCodeAt(pos) === 13) {
          r3 = "\r";
          pos++;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"\\r\"");
          }
        }
        r3 = r3 !== null ? r3 : "";
        if (r3 !== null) {
          if (input.charCodeAt(pos) === 10) {
            r4 = "\n";
            pos++;
          } else {
            r4 = null;
            if (reportFailures === 0) {
              matchFailed("\"\\n\"");
            }
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        if (r0 === null) {
          r1 = pos;
          if (input.charCodeAt(pos) === 61439) {
            r0 = "\uEFFF";
            pos++;
          } else {
            r0 = null;
            if (reportFailures === 0) {
              matchFailed("\"\\uEFFF\"");
            }
          }
          if (r0 !== null) {
            reportedPos = r1;
            r0 = (function() { return ''; })();
          }
          if (r0 === null) {
            pos = r1;
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_TERMINATOR() {
        var cacheKey = "TERMINATOR@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7;
        
        r1 = pos;
        r3 = pos;
        r4 = parse__();
        if (r4 !== null) {
          r5 = parse_comment();
          r5 = r5 !== null ? r5 : "";
          if (r5 !== null) {
            r6 = parse_TERM();
            if (r6 !== null) {
              r7 = parse_blockComment();
              r7 = r7 !== null ? r7 : "";
              if (r7 !== null) {
                r2 = [r4, r5, r6, r7];
              } else {
                r2 = null;
                pos = r3;
              }
            } else {
              r2 = null;
              pos = r3;
            }
          } else {
            r2 = null;
            pos = r3;
          }
        } else {
          r2 = null;
          pos = r3;
        }
        if (r2 !== null) {
          r0 = [];
          while (r2 !== null) {
            r0.push(r2);
            r3 = pos;
            r4 = parse__();
            if (r4 !== null) {
              r5 = parse_comment();
              r5 = r5 !== null ? r5 : "";
              if (r5 !== null) {
                r6 = parse_TERM();
                if (r6 !== null) {
                  r7 = parse_blockComment();
                  r7 = r7 !== null ? r7 : "";
                  if (r7 !== null) {
                    r2 = [r4, r5, r6, r7];
                  } else {
                    r2 = null;
                    pos = r3;
                  }
                } else {
                  r2 = null;
                  pos = r3;
                }
              } else {
                r2 = null;
                pos = r3;
              }
            } else {
              r2 = null;
              pos = r3;
            }
          }
        } else {
          r0 = null;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_TERMINDENT() {
        var cacheKey = "TERMINDENT@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r1 = pos;
        r2 = pos;
        r3 = parse_TERMINATOR();
        if (r3 !== null) {
          r4 = parse_INDENT();
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_AND() {
        var cacheKey = "AND@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 3) === "and") {
          r3 = "and";
          pos += 3;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"and\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_BREAK() {
        var cacheKey = "BREAK@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 5) === "break") {
          r3 = "break";
          pos += 5;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"break\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_BY() {
        var cacheKey = "BY@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 2) === "by") {
          r3 = "by";
          pos += 2;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"by\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_CATCH() {
        var cacheKey = "CATCH@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 5) === "catch") {
          r3 = "catch";
          pos += 5;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"catch\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_CONTINUE() {
        var cacheKey = "CONTINUE@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 8) === "continue") {
          r3 = "continue";
          pos += 8;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"continue\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_CLASS() {
        var cacheKey = "CLASS@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 5) === "class") {
          r3 = "class";
          pos += 5;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"class\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_DELETE() {
        var cacheKey = "DELETE@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 6) === "delete") {
          r3 = "delete";
          pos += 6;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"delete\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_DEBUGGER() {
        var cacheKey = "DEBUGGER@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 8) === "debugger") {
          r3 = "debugger";
          pos += 8;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"debugger\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_DO() {
        var cacheKey = "DO@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 2) === "do") {
          r3 = "do";
          pos += 2;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"do\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_ELSE() {
        var cacheKey = "ELSE@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 4) === "else") {
          r3 = "else";
          pos += 4;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"else\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_EXTENDS() {
        var cacheKey = "EXTENDS@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 7) === "extends") {
          r3 = "extends";
          pos += 7;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"extends\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_FALSE() {
        var cacheKey = "FALSE@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 5) === "false") {
          r3 = "false";
          pos += 5;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"false\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_FINALLY() {
        var cacheKey = "FINALLY@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 7) === "finally") {
          r3 = "finally";
          pos += 7;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"finally\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_FOR() {
        var cacheKey = "FOR@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 3) === "for") {
          r3 = "for";
          pos += 3;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"for\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_IF() {
        var cacheKey = "IF@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 2) === "if") {
          r3 = "if";
          pos += 2;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"if\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_IN() {
        var cacheKey = "IN@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 2) === "in") {
          r3 = "in";
          pos += 2;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"in\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_INSTANCEOF() {
        var cacheKey = "INSTANCEOF@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 10) === "instanceof") {
          r3 = "instanceof";
          pos += 10;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"instanceof\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_IS() {
        var cacheKey = "IS@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 2) === "is") {
          r3 = "is";
          pos += 2;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"is\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_ISNT() {
        var cacheKey = "ISNT@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 4) === "isnt") {
          r3 = "isnt";
          pos += 4;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"isnt\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_LOOP() {
        var cacheKey = "LOOP@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 4) === "loop") {
          r3 = "loop";
          pos += 4;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"loop\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_MIXIN() {
        var cacheKey = "MIXIN@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 5) === "mixin") {
          r3 = "mixin";
          pos += 5;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"mixin\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_NEW() {
        var cacheKey = "NEW@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 3) === "new") {
          r3 = "new";
          pos += 3;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"new\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_NO() {
        var cacheKey = "NO@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 2) === "no") {
          r3 = "no";
          pos += 2;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"no\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_NOT() {
        var cacheKey = "NOT@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 3) === "not") {
          r3 = "not";
          pos += 3;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"not\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_NULL() {
        var cacheKey = "NULL@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 4) === "null") {
          r3 = "null";
          pos += 4;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"null\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_OF() {
        var cacheKey = "OF@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 2) === "of") {
          r3 = "of";
          pos += 2;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"of\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_OFF() {
        var cacheKey = "OFF@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 3) === "off") {
          r3 = "off";
          pos += 3;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"off\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_ON() {
        var cacheKey = "ON@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 2) === "on") {
          r3 = "on";
          pos += 2;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"on\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_OR() {
        var cacheKey = "OR@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 2) === "or") {
          r3 = "or";
          pos += 2;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"or\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_OWN() {
        var cacheKey = "OWN@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 3) === "own") {
          r3 = "own";
          pos += 3;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"own\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_RETURN() {
        var cacheKey = "RETURN@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 6) === "return") {
          r3 = "return";
          pos += 6;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"return\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_SWITCH() {
        var cacheKey = "SWITCH@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 6) === "switch") {
          r3 = "switch";
          pos += 6;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"switch\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_SUPER() {
        var cacheKey = "SUPER@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 5) === "super") {
          r3 = "super";
          pos += 5;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"super\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_THEN() {
        var cacheKey = "THEN@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 4) === "then") {
          r3 = "then";
          pos += 4;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"then\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_THIS() {
        var cacheKey = "THIS@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 4) === "this") {
          r3 = "this";
          pos += 4;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"this\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_THROW() {
        var cacheKey = "THROW@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 5) === "throw") {
          r3 = "throw";
          pos += 5;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"throw\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_TRUE() {
        var cacheKey = "TRUE@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 4) === "true") {
          r3 = "true";
          pos += 4;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"true\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_TRY() {
        var cacheKey = "TRY@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 3) === "try") {
          r3 = "try";
          pos += 3;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"try\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_TYPEOF() {
        var cacheKey = "TYPEOF@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 6) === "typeof") {
          r3 = "typeof";
          pos += 6;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"typeof\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_UNDEFINED() {
        var cacheKey = "UNDEFINED@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 9) === "undefined") {
          r3 = "undefined";
          pos += 9;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"undefined\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_UNLESS() {
        var cacheKey = "UNLESS@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 6) === "unless") {
          r3 = "unless";
          pos += 6;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"unless\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_UNTIL() {
        var cacheKey = "UNTIL@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 5) === "until") {
          r3 = "until";
          pos += 5;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"until\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_WHEN() {
        var cacheKey = "WHEN@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 4) === "when") {
          r3 = "when";
          pos += 4;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"when\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_WHILE() {
        var cacheKey = "WHILE@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 5) === "while") {
          r3 = "while";
          pos += 5;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"while\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_WITH() {
        var cacheKey = "WITH@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 4) === "with") {
          r3 = "with";
          pos += 4;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"with\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_YES() {
        var cacheKey = "YES@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 3) === "yes") {
          r3 = "yes";
          pos += 3;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"yes\"");
          }
        }
        if (r3 !== null) {
          r5 = pos;
          reportFailures++;
          r4 = parse_identifierPart();
          reportFailures--;
          if (r4 === null) {
            r4 = "";
          } else {
            r4 = null;
            pos = r5;
          }
          if (r4 !== null) {
            r0 = [r3, r4];
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_SharedKeywords() {
        var cacheKey = "SharedKeywords@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r1 = pos;
        if (input.substr(pos, 4) === "true") {
          r2 = "true";
          pos += 4;
        } else {
          r2 = null;
          if (reportFailures === 0) {
            matchFailed("\"true\"");
          }
        }
        if (r2 === null) {
          if (input.substr(pos, 5) === "false") {
            r2 = "false";
            pos += 5;
          } else {
            r2 = null;
            if (reportFailures === 0) {
              matchFailed("\"false\"");
            }
          }
          if (r2 === null) {
            if (input.substr(pos, 4) === "null") {
              r2 = "null";
              pos += 4;
            } else {
              r2 = null;
              if (reportFailures === 0) {
                matchFailed("\"null\"");
              }
            }
            if (r2 === null) {
              if (input.substr(pos, 4) === "this") {
                r2 = "this";
                pos += 4;
              } else {
                r2 = null;
                if (reportFailures === 0) {
                  matchFailed("\"this\"");
                }
              }
              if (r2 === null) {
                if (input.substr(pos, 3) === "new") {
                  r2 = "new";
                  pos += 3;
                } else {
                  r2 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"new\"");
                  }
                }
                if (r2 === null) {
                  if (input.substr(pos, 6) === "delete") {
                    r2 = "delete";
                    pos += 6;
                  } else {
                    r2 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"delete\"");
                    }
                  }
                  if (r2 === null) {
                    if (input.substr(pos, 6) === "typeof") {
                      r2 = "typeof";
                      pos += 6;
                    } else {
                      r2 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"typeof\"");
                      }
                    }
                    if (r2 === null) {
                      if (input.substr(pos, 10) === "instanceof") {
                        r2 = "instanceof";
                        pos += 10;
                      } else {
                        r2 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"instanceof\"");
                        }
                      }
                      if (r2 === null) {
                        if (input.substr(pos, 2) === "in") {
                          r2 = "in";
                          pos += 2;
                        } else {
                          r2 = null;
                          if (reportFailures === 0) {
                            matchFailed("\"in\"");
                          }
                        }
                        if (r2 === null) {
                          if (input.substr(pos, 6) === "return") {
                            r2 = "return";
                            pos += 6;
                          } else {
                            r2 = null;
                            if (reportFailures === 0) {
                              matchFailed("\"return\"");
                            }
                          }
                          if (r2 === null) {
                            if (input.substr(pos, 5) === "throw") {
                              r2 = "throw";
                              pos += 5;
                            } else {
                              r2 = null;
                              if (reportFailures === 0) {
                                matchFailed("\"throw\"");
                              }
                            }
                            if (r2 === null) {
                              if (input.substr(pos, 5) === "break") {
                                r2 = "break";
                                pos += 5;
                              } else {
                                r2 = null;
                                if (reportFailures === 0) {
                                  matchFailed("\"break\"");
                                }
                              }
                              if (r2 === null) {
                                if (input.substr(pos, 8) === "continue") {
                                  r2 = "continue";
                                  pos += 8;
                                } else {
                                  r2 = null;
                                  if (reportFailures === 0) {
                                    matchFailed("\"continue\"");
                                  }
                                }
                                if (r2 === null) {
                                  if (input.substr(pos, 8) === "debugger") {
                                    r2 = "debugger";
                                    pos += 8;
                                  } else {
                                    r2 = null;
                                    if (reportFailures === 0) {
                                      matchFailed("\"debugger\"");
                                    }
                                  }
                                  if (r2 === null) {
                                    if (input.substr(pos, 2) === "if") {
                                      r2 = "if";
                                      pos += 2;
                                    } else {
                                      r2 = null;
                                      if (reportFailures === 0) {
                                        matchFailed("\"if\"");
                                      }
                                    }
                                    if (r2 === null) {
                                      if (input.substr(pos, 4) === "else") {
                                        r2 = "else";
                                        pos += 4;
                                      } else {
                                        r2 = null;
                                        if (reportFailures === 0) {
                                          matchFailed("\"else\"");
                                        }
                                      }
                                      if (r2 === null) {
                                        if (input.substr(pos, 6) === "switch") {
                                          r2 = "switch";
                                          pos += 6;
                                        } else {
                                          r2 = null;
                                          if (reportFailures === 0) {
                                            matchFailed("\"switch\"");
                                          }
                                        }
                                        if (r2 === null) {
                                          if (input.substr(pos, 3) === "for") {
                                            r2 = "for";
                                            pos += 3;
                                          } else {
                                            r2 = null;
                                            if (reportFailures === 0) {
                                              matchFailed("\"for\"");
                                            }
                                          }
                                          if (r2 === null) {
                                            if (input.substr(pos, 5) === "while") {
                                              r2 = "while";
                                              pos += 5;
                                            } else {
                                              r2 = null;
                                              if (reportFailures === 0) {
                                                matchFailed("\"while\"");
                                              }
                                            }
                                            if (r2 === null) {
                                              if (input.substr(pos, 2) === "do") {
                                                r2 = "do";
                                                pos += 2;
                                              } else {
                                                r2 = null;
                                                if (reportFailures === 0) {
                                                  matchFailed("\"do\"");
                                                }
                                              }
                                              if (r2 === null) {
                                                if (input.substr(pos, 3) === "try") {
                                                  r2 = "try";
                                                  pos += 3;
                                                } else {
                                                  r2 = null;
                                                  if (reportFailures === 0) {
                                                    matchFailed("\"try\"");
                                                  }
                                                }
                                                if (r2 === null) {
                                                  if (input.substr(pos, 5) === "catch") {
                                                    r2 = "catch";
                                                    pos += 5;
                                                  } else {
                                                    r2 = null;
                                                    if (reportFailures === 0) {
                                                      matchFailed("\"catch\"");
                                                    }
                                                  }
                                                  if (r2 === null) {
                                                    if (input.substr(pos, 7) === "finally") {
                                                      r2 = "finally";
                                                      pos += 7;
                                                    } else {
                                                      r2 = null;
                                                      if (reportFailures === 0) {
                                                        matchFailed("\"finally\"");
                                                      }
                                                    }
                                                    if (r2 === null) {
                                                      if (input.substr(pos, 5) === "class") {
                                                        r2 = "class";
                                                        pos += 5;
                                                      } else {
                                                        r2 = null;
                                                        if (reportFailures === 0) {
                                                          matchFailed("\"class\"");
                                                        }
                                                      }
                                                      if (r2 === null) {
                                                        if (input.substr(pos, 7) === "extends") {
                                                          r2 = "extends";
                                                          pos += 7;
                                                        } else {
                                                          r2 = null;
                                                          if (reportFailures === 0) {
                                                            matchFailed("\"extends\"");
                                                          }
                                                        }
                                                        if (r2 === null) {
                                                          if (input.substr(pos, 5) === "super") {
                                                            r2 = "super";
                                                            pos += 5;
                                                          } else {
                                                            r2 = null;
                                                            if (reportFailures === 0) {
                                                              matchFailed("\"super\"");
                                                            }
                                                          }
                                                          if (r2 === null) {
                                                            if (input.substr(pos, 4) === "with") {
                                                              r2 = "with";
                                                              pos += 4;
                                                            } else {
                                                              r2 = null;
                                                              if (reportFailures === 0) {
                                                                matchFailed("\"with\"");
                                                              }
                                                            }
                                                          }
                                                        }
                                                      }
                                                    }
                                                  }
                                                }
                                              }
                                            }
                                          }
                                        }
                                      }
                                    }
                                  }
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
        if (r2 !== null) {
          r4 = pos;
          reportFailures++;
          r3 = parse_identifierPart();
          reportFailures--;
          if (r3 === null) {
            r3 = "";
          } else {
            r3 = null;
            pos = r4;
          }
          if (r3 !== null) {
            r0 = [r2, r3];
          } else {
            r0 = null;
            pos = r1;
          }
        } else {
          r0 = null;
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_JSKeywords() {
        var cacheKey = "JSKeywords@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r1 = pos;
        if (input.substr(pos, 4) === "case") {
          r2 = "case";
          pos += 4;
        } else {
          r2 = null;
          if (reportFailures === 0) {
            matchFailed("\"case\"");
          }
        }
        if (r2 === null) {
          if (input.substr(pos, 7) === "default") {
            r2 = "default";
            pos += 7;
          } else {
            r2 = null;
            if (reportFailures === 0) {
              matchFailed("\"default\"");
            }
          }
          if (r2 === null) {
            if (input.substr(pos, 8) === "function") {
              r2 = "function";
              pos += 8;
            } else {
              r2 = null;
              if (reportFailures === 0) {
                matchFailed("\"function\"");
              }
            }
            if (r2 === null) {
              if (input.substr(pos, 3) === "var") {
                r2 = "var";
                pos += 3;
              } else {
                r2 = null;
                if (reportFailures === 0) {
                  matchFailed("\"var\"");
                }
              }
              if (r2 === null) {
                if (input.substr(pos, 4) === "void") {
                  r2 = "void";
                  pos += 4;
                } else {
                  r2 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"void\"");
                  }
                }
                if (r2 === null) {
                  if (input.substr(pos, 5) === "const") {
                    r2 = "const";
                    pos += 5;
                  } else {
                    r2 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"const\"");
                    }
                  }
                  if (r2 === null) {
                    if (input.substr(pos, 3) === "let") {
                      r2 = "let";
                      pos += 3;
                    } else {
                      r2 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"let\"");
                      }
                    }
                    if (r2 === null) {
                      if (input.substr(pos, 4) === "enum") {
                        r2 = "enum";
                        pos += 4;
                      } else {
                        r2 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"enum\"");
                        }
                      }
                      if (r2 === null) {
                        if (input.substr(pos, 6) === "export") {
                          r2 = "export";
                          pos += 6;
                        } else {
                          r2 = null;
                          if (reportFailures === 0) {
                            matchFailed("\"export\"");
                          }
                        }
                        if (r2 === null) {
                          if (input.substr(pos, 6) === "import") {
                            r2 = "import";
                            pos += 6;
                          } else {
                            r2 = null;
                            if (reportFailures === 0) {
                              matchFailed("\"import\"");
                            }
                          }
                          if (r2 === null) {
                            if (input.substr(pos, 6) === "native") {
                              r2 = "native";
                              pos += 6;
                            } else {
                              r2 = null;
                              if (reportFailures === 0) {
                                matchFailed("\"native\"");
                              }
                            }
                            if (r2 === null) {
                              if (input.substr(pos, 10) === "implements") {
                                r2 = "implements";
                                pos += 10;
                              } else {
                                r2 = null;
                                if (reportFailures === 0) {
                                  matchFailed("\"implements\"");
                                }
                              }
                              if (r2 === null) {
                                if (input.substr(pos, 9) === "interface") {
                                  r2 = "interface";
                                  pos += 9;
                                } else {
                                  r2 = null;
                                  if (reportFailures === 0) {
                                    matchFailed("\"interface\"");
                                  }
                                }
                                if (r2 === null) {
                                  if (input.substr(pos, 7) === "package") {
                                    r2 = "package";
                                    pos += 7;
                                  } else {
                                    r2 = null;
                                    if (reportFailures === 0) {
                                      matchFailed("\"package\"");
                                    }
                                  }
                                  if (r2 === null) {
                                    if (input.substr(pos, 7) === "private") {
                                      r2 = "private";
                                      pos += 7;
                                    } else {
                                      r2 = null;
                                      if (reportFailures === 0) {
                                        matchFailed("\"private\"");
                                      }
                                    }
                                    if (r2 === null) {
                                      if (input.substr(pos, 9) === "protected") {
                                        r2 = "protected";
                                        pos += 9;
                                      } else {
                                        r2 = null;
                                        if (reportFailures === 0) {
                                          matchFailed("\"protected\"");
                                        }
                                      }
                                      if (r2 === null) {
                                        if (input.substr(pos, 6) === "public") {
                                          r2 = "public";
                                          pos += 6;
                                        } else {
                                          r2 = null;
                                          if (reportFailures === 0) {
                                            matchFailed("\"public\"");
                                          }
                                        }
                                        if (r2 === null) {
                                          if (input.substr(pos, 6) === "static") {
                                            r2 = "static";
                                            pos += 6;
                                          } else {
                                            r2 = null;
                                            if (reportFailures === 0) {
                                              matchFailed("\"static\"");
                                            }
                                          }
                                          if (r2 === null) {
                                            if (input.substr(pos, 5) === "yield") {
                                              r2 = "yield";
                                              pos += 5;
                                            } else {
                                              r2 = null;
                                              if (reportFailures === 0) {
                                                matchFailed("\"yield\"");
                                              }
                                            }
                                          }
                                        }
                                      }
                                    }
                                  }
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
        if (r2 !== null) {
          r4 = pos;
          reportFailures++;
          r3 = parse_identifierPart();
          reportFailures--;
          if (r3 === null) {
            r3 = "";
          } else {
            r3 = null;
            pos = r4;
          }
          if (r3 !== null) {
            r0 = [r2, r3];
          } else {
            r0 = null;
            pos = r1;
          }
        } else {
          r0 = null;
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_CSKeywords() {
        var cacheKey = "CSKeywords@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4;
        
        r1 = pos;
        if (input.substr(pos, 9) === "undefined") {
          r2 = "undefined";
          pos += 9;
        } else {
          r2 = null;
          if (reportFailures === 0) {
            matchFailed("\"undefined\"");
          }
        }
        if (r2 === null) {
          if (input.substr(pos, 4) === "then") {
            r2 = "then";
            pos += 4;
          } else {
            r2 = null;
            if (reportFailures === 0) {
              matchFailed("\"then\"");
            }
          }
          if (r2 === null) {
            if (input.substr(pos, 6) === "unless") {
              r2 = "unless";
              pos += 6;
            } else {
              r2 = null;
              if (reportFailures === 0) {
                matchFailed("\"unless\"");
              }
            }
            if (r2 === null) {
              if (input.substr(pos, 5) === "until") {
                r2 = "until";
                pos += 5;
              } else {
                r2 = null;
                if (reportFailures === 0) {
                  matchFailed("\"until\"");
                }
              }
              if (r2 === null) {
                if (input.substr(pos, 4) === "loop") {
                  r2 = "loop";
                  pos += 4;
                } else {
                  r2 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"loop\"");
                  }
                }
                if (r2 === null) {
                  if (input.substr(pos, 3) === "off") {
                    r2 = "off";
                    pos += 3;
                  } else {
                    r2 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"off\"");
                    }
                  }
                  if (r2 === null) {
                    if (input.substr(pos, 2) === "by") {
                      r2 = "by";
                      pos += 2;
                    } else {
                      r2 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"by\"");
                      }
                    }
                    if (r2 === null) {
                      if (input.substr(pos, 4) === "when") {
                        r2 = "when";
                        pos += 4;
                      } else {
                        r2 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"when\"");
                        }
                      }
                      if (r2 === null) {
                        if (input.substr(pos, 3) === "and") {
                          r2 = "and";
                          pos += 3;
                        } else {
                          r2 = null;
                          if (reportFailures === 0) {
                            matchFailed("\"and\"");
                          }
                        }
                        if (r2 === null) {
                          if (input.substr(pos, 2) === "or") {
                            r2 = "or";
                            pos += 2;
                          } else {
                            r2 = null;
                            if (reportFailures === 0) {
                              matchFailed("\"or\"");
                            }
                          }
                          if (r2 === null) {
                            if (input.substr(pos, 4) === "isnt") {
                              r2 = "isnt";
                              pos += 4;
                            } else {
                              r2 = null;
                              if (reportFailures === 0) {
                                matchFailed("\"isnt\"");
                              }
                            }
                            if (r2 === null) {
                              if (input.substr(pos, 2) === "is") {
                                r2 = "is";
                                pos += 2;
                              } else {
                                r2 = null;
                                if (reportFailures === 0) {
                                  matchFailed("\"is\"");
                                }
                              }
                              if (r2 === null) {
                                if (input.substr(pos, 3) === "not") {
                                  r2 = "not";
                                  pos += 3;
                                } else {
                                  r2 = null;
                                  if (reportFailures === 0) {
                                    matchFailed("\"not\"");
                                  }
                                }
                                if (r2 === null) {
                                  if (input.substr(pos, 3) === "yes") {
                                    r2 = "yes";
                                    pos += 3;
                                  } else {
                                    r2 = null;
                                    if (reportFailures === 0) {
                                      matchFailed("\"yes\"");
                                    }
                                  }
                                  if (r2 === null) {
                                    if (input.substr(pos, 2) === "no") {
                                      r2 = "no";
                                      pos += 2;
                                    } else {
                                      r2 = null;
                                      if (reportFailures === 0) {
                                        matchFailed("\"no\"");
                                      }
                                    }
                                    if (r2 === null) {
                                      if (input.substr(pos, 2) === "on") {
                                        r2 = "on";
                                        pos += 2;
                                      } else {
                                        r2 = null;
                                        if (reportFailures === 0) {
                                          matchFailed("\"on\"");
                                        }
                                      }
                                      if (r2 === null) {
                                        if (input.substr(pos, 2) === "of") {
                                          r2 = "of";
                                          pos += 2;
                                        } else {
                                          r2 = null;
                                          if (reportFailures === 0) {
                                            matchFailed("\"of\"");
                                          }
                                        }
                                        if (r2 === null) {
                                          if (input.substr(pos, 5) === "mixin") {
                                            r2 = "mixin";
                                            pos += 5;
                                          } else {
                                            r2 = null;
                                            if (reportFailures === 0) {
                                              matchFailed("\"mixin\"");
                                            }
                                          }
                                        }
                                      }
                                    }
                                  }
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
        if (r2 !== null) {
          r4 = pos;
          reportFailures++;
          r3 = parse_identifierPart();
          reportFailures--;
          if (r3 === null) {
            r3 = "";
          } else {
            r3 = null;
            pos = r4;
          }
          if (r3 !== null) {
            r0 = [r2, r3];
          } else {
            r0 = null;
            pos = r1;
          }
        } else {
          r0 = null;
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_reserved() {
        var cacheKey = "reserved@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1;
        
        r1 = pos;
        r0 = parse_macro();
        if (r0 !== null) {
          r0 = input.substring(pos, r1);
        }
        if (r0 === null) {
          r0 = parse_SharedKeywords();
          if (r0 === null) {
            r0 = parse_CSKeywords();
            if (r0 === null) {
              r0 = parse_JSKeywords();
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_UnicodeEscapeSequence() {
        var cacheKey = "UnicodeEscapeSequence@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3, r4, r5, r6, r7;
        
        r1 = pos;
        r2 = pos;
        if (input.substr(pos, 2) === "\\u") {
          r3 = "\\u";
          pos += 2;
        } else {
          r3 = null;
          if (reportFailures === 0) {
            matchFailed("\"\\\\u\"");
          }
        }
        if (r3 !== null) {
          r4 = parse_hexDigit();
          if (r4 !== null) {
            r5 = parse_hexDigit();
            if (r5 !== null) {
              r6 = parse_hexDigit();
              if (r6 !== null) {
                r7 = parse_hexDigit();
                if (r7 !== null) {
                  r0 = [r3, r4, r5, r6, r7];
                } else {
                  r0 = null;
                  pos = r2;
                }
              } else {
                r0 = null;
                pos = r2;
              }
            } else {
              r0 = null;
              pos = r2;
            }
          } else {
            r0 = null;
            pos = r2;
          }
        } else {
          r0 = null;
          pos = r2;
        }
        if (r0 !== null) {
          reportedPos = r1;
          r0 = (function(h0, h1, h2, h3) { return String.fromCharCode(parseInt(h0 + h1 + h2 + h3, 16)); })(r4, r5, r6, r7);
        }
        if (r0 === null) {
          pos = r1;
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_UnicodeLetter() {
        var cacheKey = "UnicodeLetter@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3;
        
        if 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{
          r0 = input.charAt(pos);
          pos++;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            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          }
        }
        if (r0 === null) {
          r1 = pos;
          if (input.charCodeAt(pos) === 55340) {
            r2 = "\uD82C";
            pos++;
          } else {
            r2 = null;
            if (reportFailures === 0) {
              matchFailed("\"\\uD82C\"");
            }
          }
          if (r2 !== null) {
            if (/^[\uDC00\uDC01]/.test(input.charAt(pos))) {
              r3 = input.charAt(pos);
              pos++;
            } else {
              r3 = null;
              if (reportFailures === 0) {
                matchFailed("[\\uDC00\\uDC01]");
              }
            }
            if (r3 !== null) {
              r0 = [r2, r3];
            } else {
              r0 = null;
              pos = r1;
            }
          } else {
            r0 = null;
            pos = r1;
          }
          if (r0 === null) {
            r1 = pos;
            if (input.charCodeAt(pos) === 55304) {
              r2 = "\uD808";
              pos++;
            } else {
              r2 = null;
              if (reportFailures === 0) {
                matchFailed("\"\\uD808\"");
              }
            }
            if (r2 !== null) {
              if (/^[\uDC00-\uDF6E]/.test(input.charAt(pos))) {
                r3 = input.charAt(pos);
                pos++;
              } else {
                r3 = null;
                if (reportFailures === 0) {
                  matchFailed("[\\uDC00-\\uDF6E]");
                }
              }
              if (r3 !== null) {
                r0 = [r2, r3];
              } else {
                r0 = null;
                pos = r1;
              }
            } else {
              r0 = null;
              pos = r1;
            }
            if (r0 === null) {
              r1 = pos;
              if (input.charCodeAt(pos) === 55401) {
                r2 = "\uD869";
                pos++;
              } else {
                r2 = null;
                if (reportFailures === 0) {
                  matchFailed("\"\\uD869\"");
                }
              }
              if (r2 !== null) {
                if (/^[\uDED6\uDF00]/.test(input.charAt(pos))) {
                  r3 = input.charAt(pos);
                  pos++;
                } else {
                  r3 = null;
                  if (reportFailures === 0) {
                    matchFailed("[\\uDED6\\uDF00]");
                  }
                }
                if (r3 !== null) {
                  r0 = [r2, r3];
                } else {
                  r0 = null;
                  pos = r1;
                }
              } else {
                r0 = null;
                pos = r1;
              }
              if (r0 === null) {
                r1 = pos;
                if (input.charCodeAt(pos) === 55305) {
                  r2 = "\uD809";
                  pos++;
                } else {
                  r2 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"\\uD809\"");
                  }
                }
                if (r2 !== null) {
                  if (/^[\uDC00-\uDC62]/.test(input.charAt(pos))) {
                    r3 = input.charAt(pos);
                    pos++;
                  } else {
                    r3 = null;
                    if (reportFailures === 0) {
                      matchFailed("[\\uDC00-\\uDC62]");
                    }
                  }
                  if (r3 !== null) {
                    r0 = [r2, r3];
                  } else {
                    r0 = null;
                    pos = r1;
                  }
                } else {
                  r0 = null;
                  pos = r1;
                }
                if (r0 === null) {
                  r1 = pos;
                  if (input.charCodeAt(pos) === 55349) {
                    r2 = "\uD835";
                    pos++;
                  } else {
                    r2 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"\\uD835\"");
                    }
                  }
                  if (r2 !== null) {
                    if (/^[\uDC00-\uDC19\uDC34-\uDC4D\uDC68-\uDC81\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB5\uDCD0-\uDCE9\uDD04\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD38\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD6C-\uDD85\uDDA0-\uDDB9\uDDD4-\uDDED\uDE08-\uDE21\uDE3C-\uDE55\uDE70-\uDE89\uDEA8-\uDEC0\uDEE2-\uDEFA\uDF1C-\uDF34\uDF56-\uDF6E\uDF90-\uDFA8\uDFCA\uDC1A-\uDC33\uDC4E-\uDC54\uDC56-\uDC67\uDC82-\uDC9B\uDCB6-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDCCF\uDCEA-\uDD03\uDD1E-\uDD37\uDD52-\uDD6B\uDD86-\uDD9F\uDDBA-\uDDD3\uDDEE-\uDE07\uDE22-\uDE3B\uDE56-\uDE6F\uDE8A-\uDEA5\uDEC2-\uDEDA\uDEDC-\uDEE1\uDEFC-\uDF14\uDF16-\uDF1B\uDF36-\uDF4E\uDF50-\uDF55\uDF70-\uDF88\uDF8A-\uDF8F\uDFAA-\uDFC2\uDFC4-\uDFC9\uDFCB]/.test(input.charAt(pos))) {
                      r3 = input.charAt(pos);
                      pos++;
                    } else {
                      r3 = null;
                      if (reportFailures === 0) {
                        matchFailed("[\\uDC00-\\uDC19\\uDC34-\\uDC4D\\uDC68-\\uDC81\\uDC9C\\uDC9E\\uDC9F\\uDCA2\\uDCA5\\uDCA6\\uDCA9-\\uDCAC\\uDCAE-\\uDCB5\\uDCD0-\\uDCE9\\uDD04\\uDD05\\uDD07-\\uDD0A\\uDD0D-\\uDD14\\uDD16-\\uDD1C\\uDD38\\uDD39\\uDD3B-\\uDD3E\\uDD40-\\uDD44\\uDD46\\uDD4A-\\uDD50\\uDD6C-\\uDD85\\uDDA0-\\uDDB9\\uDDD4-\\uDDED\\uDE08-\\uDE21\\uDE3C-\\uDE55\\uDE70-\\uDE89\\uDEA8-\\uDEC0\\uDEE2-\\uDEFA\\uDF1C-\\uDF34\\uDF56-\\uDF6E\\uDF90-\\uDFA8\\uDFCA\\uDC1A-\\uDC33\\uDC4E-\\uDC54\\uDC56-\\uDC67\\uDC82-\\uDC9B\\uDCB6-\\uDCB9\\uDCBB\\uDCBD-\\uDCC3\\uDCC5-\\uDCCF\\uDCEA-\\uDD03\\uDD1E-\\uDD37\\uDD52-\\uDD6B\\uDD86-\\uDD9F\\uDDBA-\\uDDD3\\uDDEE-\\uDE07\\uDE22-\\uDE3B\\uDE56-\\uDE6F\\uDE8A-\\uDEA5\\uDEC2-\\uDEDA\\uDEDC-\\uDEE1\\uDEFC-\\uDF14\\uDF16-\\uDF1B\\uDF36-\\uDF4E\\uDF50-\\uDF55\\uDF70-\\uDF88\\uDF8A-\\uDF8F\\uDFAA-\\uDFC2\\uDFC4-\\uDFC9\\uDFCB]");
                      }
                    }
                    if (r3 !== null) {
                      r0 = [r2, r3];
                    } else {
                      r0 = null;
                      pos = r1;
                    }
                  } else {
                    r0 = null;
                    pos = r1;
                  }
                  if (r0 === null) {
                    r1 = pos;
                    if (input.charCodeAt(pos) === 55300) {
                      r2 = "\uD804";
                      pos++;
                    } else {
                      r2 = null;
                      if (reportFailures === 0) {
                        matchFailed("\"\\uD804\"");
                      }
                    }
                    if (r2 !== null) {
                      if (/^[\uDC03-\uDC37\uDC83-\uDCAF]/.test(input.charAt(pos))) {
                        r3 = input.charAt(pos);
                        pos++;
                      } else {
                        r3 = null;
                        if (reportFailures === 0) {
                          matchFailed("[\\uDC03-\\uDC37\\uDC83-\\uDCAF]");
                        }
                      }
                      if (r3 !== null) {
                        r0 = [r2, r3];
                      } else {
                        r0 = null;
                        pos = r1;
                      }
                    } else {
                      r0 = null;
                      pos = r1;
                    }
                    if (r0 === null) {
                      r1 = pos;
                      if (input.charCodeAt(pos) === 55296) {
                        r2 = "\uD800";
                        pos++;
                      } else {
                        r2 = null;
                        if (reportFailures === 0) {
                          matchFailed("\"\\uD800\"");
                        }
                      }
                      if (r2 !== null) {
                        if (/^[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDE80-\uDE9C\uDEA0-\uDED0\uDF00-\uDF1E\uDF30-\uDF40\uDF42-\uDF49\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDD40-\uDD74\uDF41\uDF4A\uDFD1-\uDFD5]/.test(input.charAt(pos))) {
                          r3 = input.charAt(pos);
                          pos++;
                        } else {
                          r3 = null;
                          if (reportFailures === 0) {
                            matchFailed("[\\uDC00-\\uDC0B\\uDC0D-\\uDC26\\uDC28-\\uDC3A\\uDC3C\\uDC3D\\uDC3F-\\uDC4D\\uDC50-\\uDC5D\\uDC80-\\uDCFA\\uDE80-\\uDE9C\\uDEA0-\\uDED0\\uDF00-\\uDF1E\\uDF30-\\uDF40\\uDF42-\\uDF49\\uDF80-\\uDF9D\\uDFA0-\\uDFC3\\uDFC8-\\uDFCF\\uDD40-\\uDD74\\uDF41\\uDF4A\\uDFD1-\\uDFD5]");
                          }
                        }
                        if (r3 !== null) {
                          r0 = [r2, r3];
                        } else {
                          r0 = null;
                          pos = r1;
                        }
                      } else {
                        r0 = null;
                        pos = r1;
                      }
                      if (r0 === null) {
                        r1 = pos;
                        if (input.charCodeAt(pos) === 55308) {
                          r2 = "\uD80C";
                          pos++;
                        } else {
                          r2 = null;
                          if (reportFailures === 0) {
                            matchFailed("\"\\uD80C\"");
                          }
                        }
                        if (r2 !== null) {
                          if (/^[\uDC00-\uDFFF]/.test(input.charAt(pos))) {
                            r3 = input.charAt(pos);
                            pos++;
                          } else {
                            r3 = null;
                            if (reportFailures === 0) {
                              matchFailed("[\\uDC00-\\uDFFF]");
                            }
                          }
                          if (r3 !== null) {
                            r0 = [r2, r3];
                          } else {
                            r0 = null;
                            pos = r1;
                          }
                        } else {
                          r0 = null;
                          pos = r1;
                        }
                        if (r0 === null) {
                          r1 = pos;
                          if (input.charCodeAt(pos) === 55297) {
                            r2 = "\uD801";
                            pos++;
                          } else {
                            r2 = null;
                            if (reportFailures === 0) {
                              matchFailed("\"\\uD801\"");
                            }
                          }
                          if (r2 !== null) {
                            if (/^[\uDC00-\uDC9D]/.test(input.charAt(pos))) {
                              r3 = input.charAt(pos);
                              pos++;
                            } else {
                              r3 = null;
                              if (reportFailures === 0) {
                                matchFailed("[\\uDC00-\\uDC9D]");
                              }
                            }
                            if (r3 !== null) {
                              r0 = [r2, r3];
                            } else {
                              r0 = null;
                              pos = r1;
                            }
                          } else {
                            r0 = null;
                            pos = r1;
                          }
                          if (r0 === null) {
                            r1 = pos;
                            if (input.charCodeAt(pos) === 55406) {
                              r2 = "\uD86E";
                              pos++;
                            } else {
                              r2 = null;
                              if (reportFailures === 0) {
                                matchFailed("\"\\uD86E\"");
                              }
                            }
                            if (r2 !== null) {
                              if (/^[\uDC1D]/.test(input.charAt(pos))) {
                                r3 = input.charAt(pos);
                                pos++;
                              } else {
                                r3 = null;
                                if (reportFailures === 0) {
                                  matchFailed("[\\uDC1D]");
                                }
                              }
                              if (r3 !== null) {
                                r0 = [r2, r3];
                              } else {
                                r0 = null;
                                pos = r1;
                              }
                            } else {
                              r0 = null;
                              pos = r1;
                            }
                            if (r0 === null) {
                              r1 = pos;
                              if (input.charCodeAt(pos) === 55299) {
                                r2 = "\uD803";
                                pos++;
                              } else {
                                r2 = null;
                                if (reportFailures === 0) {
                                  matchFailed("\"\\uD803\"");
                                }
                              }
                              if (r2 !== null) {
                                if (/^[\uDC00-\uDC48]/.test(input.charAt(pos))) {
                                  r3 = input.charAt(pos);
                                  pos++;
                                } else {
                                  r3 = null;
                                  if (reportFailures === 0) {
                                    matchFailed("[\\uDC00-\\uDC48]");
                                  }
                                }
                                if (r3 !== null) {
                                  r0 = [r2, r3];
                                } else {
                                  r0 = null;
                                  pos = r1;
                                }
                              } else {
                                r0 = null;
                                pos = r1;
                              }
                              if (r0 === null) {
                                r1 = pos;
                                if (input.charCodeAt(pos) === 55360) {
                                  r2 = "\uD840";
                                  pos++;
                                } else {
                                  r2 = null;
                                  if (reportFailures === 0) {
                                    matchFailed("\"\\uD840\"");
                                  }
                                }
                                if (r2 !== null) {
                                  if (/^[\uDC00]/.test(input.charAt(pos))) {
                                    r3 = input.charAt(pos);
                                    pos++;
                                  } else {
                                    r3 = null;
                                    if (reportFailures === 0) {
                                      matchFailed("[\\uDC00]");
                                    }
                                  }
                                  if (r3 !== null) {
                                    r0 = [r2, r3];
                                  } else {
                                    r0 = null;
                                    pos = r1;
                                  }
                                } else {
                                  r0 = null;
                                  pos = r1;
                                }
                                if (r0 === null) {
                                  r1 = pos;
                                  if (input.charCodeAt(pos) === 55422) {
                                    r2 = "\uD87E";
                                    pos++;
                                  } else {
                                    r2 = null;
                                    if (reportFailures === 0) {
                                      matchFailed("\"\\uD87E\"");
                                    }
                                  }
                                  if (r2 !== null) {
                                    if (/^[\uDC00-\uDE1D]/.test(input.charAt(pos))) {
                                      r3 = input.charAt(pos);
                                      pos++;
                                    } else {
                                      r3 = null;
                                      if (reportFailures === 0) {
                                        matchFailed("[\\uDC00-\\uDE1D]");
                                      }
                                    }
                                    if (r3 !== null) {
                                      r0 = [r2, r3];
                                    } else {
                                      r0 = null;
                                      pos = r1;
                                    }
                                  } else {
                                    r0 = null;
                                    pos = r1;
                                  }
                                  if (r0 === null) {
                                    r1 = pos;
                                    if (input.charCodeAt(pos) === 55405) {
                                      r2 = "\uD86D";
                                      pos++;
                                    } else {
                                      r2 = null;
                                      if (reportFailures === 0) {
                                        matchFailed("\"\\uD86D\"");
                                      }
                                    }
                                    if (r2 !== null) {
                                      if (/^[\uDF34\uDF40]/.test(input.charAt(pos))) {
                                        r3 = input.charAt(pos);
                                        pos++;
                                      } else {
                                        r3 = null;
                                        if (reportFailures === 0) {
                                          matchFailed("[\\uDF34\\uDF40]");
                                        }
                                      }
                                      if (r3 !== null) {
                                        r0 = [r2, r3];
                                      } else {
                                        r0 = null;
                                        pos = r1;
                                      }
                                    } else {
                                      r0 = null;
                                      pos = r1;
                                    }
                                    if (r0 === null) {
                                      r1 = pos;
                                      if (input.charCodeAt(pos) === 55322) {
                                        r2 = "\uD81A";
                                        pos++;
                                      } else {
                                        r2 = null;
                                        if (reportFailures === 0) {
                                          matchFailed("\"\\uD81A\"");
                                        }
                                      }
                                      if (r2 !== null) {
                                        if (/^[\uDC00-\uDE38]/.test(input.charAt(pos))) {
                                          r3 = input.charAt(pos);
                                          pos++;
                                        } else {
                                          r3 = null;
                                          if (reportFailures === 0) {
                                            matchFailed("[\\uDC00-\\uDE38]");
                                          }
                                        }
                                        if (r3 !== null) {
                                          r0 = [r2, r3];
                                        } else {
                                          r0 = null;
                                          pos = r1;
                                        }
                                      } else {
                                        r0 = null;
                                        pos = r1;
                                      }
                                      if (r0 === null) {
                                        r1 = pos;
                                        if (input.charCodeAt(pos) === 55298) {
                                          r2 = "\uD802";
                                          pos++;
                                        } else {
                                          r2 = null;
                                          if (reportFailures === 0) {
                                            matchFailed("\"\\uD802\"");
                                          }
                                        }
                                        if (r2 !== null) {
                                          if (/^[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDD00-\uDD15\uDD20-\uDD39\uDE00\uDE10-\uDE13\uDE15-\uDE17\uDE19-\uDE33\uDE60-\uDE7C\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72]/.test(input.charAt(pos))) {
                                            r3 = input.charAt(pos);
                                            pos++;
                                          } else {
                                            r3 = null;
                                            if (reportFailures === 0) {
                                              matchFailed("[\\uDC00-\\uDC05\\uDC08\\uDC0A-\\uDC35\\uDC37\\uDC38\\uDC3C\\uDC3F-\\uDC55\\uDD00-\\uDD15\\uDD20-\\uDD39\\uDE00\\uDE10-\\uDE13\\uDE15-\\uDE17\\uDE19-\\uDE33\\uDE60-\\uDE7C\\uDF00-\\uDF35\\uDF40-\\uDF55\\uDF60-\\uDF72]");
                                            }
                                          }
                                          if (r3 !== null) {
                                            r0 = [r2, r3];
                                          } else {
                                            r0 = null;
                                            pos = r1;
                                          }
                                        } else {
                                          r0 = null;
                                          pos = r1;
                                        }
                                        if (r0 === null) {
                                          r1 = pos;
                                          if (input.charCodeAt(pos) === 55309) {
                                            r2 = "\uD80D";
                                            pos++;
                                          } else {
                                            r2 = null;
                                            if (reportFailures === 0) {
                                              matchFailed("\"\\uD80D\"");
                                            }
                                          }
                                          if (r2 !== null) {
                                            if (/^[\uDC00-\uDC2E]/.test(input.charAt(pos))) {
                                              r3 = input.charAt(pos);
                                              pos++;
                                            } else {
                                              r3 = null;
                                              if (reportFailures === 0) {
                                                matchFailed("[\\uDC00-\\uDC2E]");
                                              }
                                            }
                                            if (r3 !== null) {
                                              r0 = [r2, r3];
                                            } else {
                                              r0 = null;
                                              pos = r1;
                                            }
                                          } else {
                                            r0 = null;
                                            pos = r1;
                                          }
                                        }
                                      }
                                    }
                                  }
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_UnicodeCombiningMark() {
        var cacheKey = "UnicodeCombiningMark@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3;
        
        if (/^[\u0300-\u036F\u0483-\u0487\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u0610-\u061A\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06E4\u06E7\u06E8\u06EA-\u06ED\u0711\u0730-\u074A\u07A6-\u07B0\u07EB-\u07F3\u0816-\u0819\u081B-\u0823\u0825-\u0827\u0829-\u082D\u0859-\u085B\u0900-\u0902\u093A\u093C\u0941-\u0948\u094D\u0951-\u0957\u0962\u0963\u0981\u09BC\u09C1-\u09C4\u09CD\u09E2\u09E3\u0A01\u0A02\u0A3C\u0A41\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A70\u0A71\u0A75\u0A81\u0A82\u0ABC\u0AC1-\u0AC5\u0AC7\u0AC8\u0ACD\u0AE2\u0AE3\u0B01\u0B3C\u0B3F\u0B41-\u0B44\u0B4D\u0B56\u0B62\u0B63\u0B82\u0BC0\u0BCD\u0C3E-\u0C40\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C62\u0C63\u0CBC\u0CBF\u0CC6\u0CCC\u0CCD\u0CE2\u0CE3\u0D41-\u0D44\u0D4D\u0D62\u0D63\u0DCA\u0DD2-\u0DD4\u0DD6\u0E31\u0E34-\u0E3A\u0E47-\u0E4E\u0EB1\u0EB4-\u0EB9\u0EBB\u0EBC\u0EC8-\u0ECD\u0F18\u0F19\u0F35\u0F37\u0F39\u0F71-\u0F7E\u0F80-\u0F84\u0F86\u0F87\u0F8D-\u0F97\u0F99-\u0FBC\u0FC6\u102D-\u1030\u1032-\u1037\u1039\u103A\u103D\u103E\u1058\u1059\u105E-\u1060\u1071-\u1074\u1082\u1085\u1086\u108D\u109D\u135D-\u135F\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17B7-\u17BD\u17C6\u17C9-\u17D3\u17DD\u180B-\u180D\u18A9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193B\u1A17\u1A18\u1A56\u1A58-\u1A5E\u1A60\u1A62\u1A65-\u1A6C\u1A73-\u1A7C\u1A7F\u1B00-\u1B03\u1B34\u1B36-\u1B3A\u1B3C\u1B42\u1B6B-\u1B73\u1B80\u1B81\u1BA2-\u1BA5\u1BA8\u1BA9\u1BE6\u1BE8\u1BE9\u1BED\u1BEF-\u1BF1\u1C2C-\u1C33\u1C36\u1C37\u1CD0-\u1CD2\u1CD4-\u1CE0\u1CE2-\u1CE8\u1CED\u1DC0-\u1DE6\u1DFC-\u1DFF\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2CEF-\u2CF1\u2D7F\u2DE0-\u2DFF\u302A-\u302F\u3099\u309A\uA66F\uA67C\uA67D\uA6F0\uA6F1\uA802\uA806\uA80B\uA825\uA826\uA8C4\uA8E0-\uA8F1\uA926-\uA92D\uA947-\uA951\uA980-\uA982\uA9B3\uA9B6-\uA9B9\uA9BC\uAA29-\uAA2E\uAA31\uAA32\uAA35\uAA36\uAA43\uAA4C\uAAB0\uAAB2-\uAAB4\uAAB7\uAAB8\uAABE\uAABF\uAAC1\uABE5\uABE8\uABED\uFB1E\uFE00-\uFE0F\uFE20-\uFE26\u0903\u093B\u093E-\u0940\u0949-\u094C\u094E\u094F\u0982\u0983\u09BE-\u09C0\u09C7\u09C8\u09CB\u09CC\u09D7\u0A03\u0A3E-\u0A40\u0A83\u0ABE-\u0AC0\u0AC9\u0ACB\u0ACC\u0B02\u0B03\u0B3E\u0B40\u0B47\u0B48\u0B4B\u0B4C\u0B57\u0BBE\u0BBF\u0BC1\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCC\u0BD7\u0C01-\u0C03\u0C41-\u0C44\u0C82\u0C83\u0CBE\u0CC0-\u0CC4\u0CC7\u0CC8\u0CCA\u0CCB\u0CD5\u0CD6\u0D02\u0D03\u0D3E-\u0D40\u0D46-\u0D48\u0D4A-\u0D4C\u0D57\u0D82\u0D83\u0DCF-\u0DD1\u0DD8-\u0DDF\u0DF2\u0DF3\u0F3E\u0F3F\u0F7F\u102B\u102C\u1031\u1038\u103B\u103C\u1056\u1057\u1062-\u1064\u1067-\u106D\u1083\u1084\u1087-\u108C\u108F\u109A-\u109C\u17B6\u17BE-\u17C5\u17C7\u17C8\u1923-\u1926\u1929-\u192B\u1930\u1931\u1933-\u1938\u19B0-\u19C0\u19C8\u19C9\u1A19-\u1A1B\u1A55\u1A57\u1A61\u1A63\u1A64\u1A6D-\u1A72\u1B04\u1B35\u1B3B\u1B3D-\u1B41\u1B43\u1B44\u1B82\u1BA1\u1BA6\u1BA7\u1BAA\u1BE7\u1BEA-\u1BEC\u1BEE\u1BF2\u1BF3\u1C24-\u1C2B\u1C34\u1C35\u1CE1\u1CF2\uA823\uA824\uA827\uA880\uA881\uA8B4-\uA8C3\uA952\uA953\uA983\uA9B4\uA9B5\uA9BA\uA9BB\uA9BD-\uA9C0\uAA2F\uAA30\uAA33\uAA34\uAA4D\uAA7B\uABE3\uABE4\uABE6\uABE7\uABE9\uABEA\uABEC]/.test(input.charAt(pos))) {
          r0 = input.charAt(pos);
          pos++;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            matchFailed("[\\u0300-\\u036F\\u0483-\\u0487\\u0591-\\u05BD\\u05BF\\u05C1\\u05C2\\u05C4\\u05C5\\u05C7\\u0610-\\u061A\\u064B-\\u065F\\u0670\\u06D6-\\u06DC\\u06DF-\\u06E4\\u06E7\\u06E8\\u06EA-\\u06ED\\u0711\\u0730-\\u074A\\u07A6-\\u07B0\\u07EB-\\u07F3\\u0816-\\u0819\\u081B-\\u0823\\u0825-\\u0827\\u0829-\\u082D\\u0859-\\u085B\\u0900-\\u0902\\u093A\\u093C\\u0941-\\u0948\\u094D\\u0951-\\u0957\\u0962\\u0963\\u0981\\u09BC\\u09C1-\\u09C4\\u09CD\\u09E2\\u09E3\\u0A01\\u0A02\\u0A3C\\u0A41\\u0A42\\u0A47\\u0A48\\u0A4B-\\u0A4D\\u0A51\\u0A70\\u0A71\\u0A75\\u0A81\\u0A82\\u0ABC\\u0AC1-\\u0AC5\\u0AC7\\u0AC8\\u0ACD\\u0AE2\\u0AE3\\u0B01\\u0B3C\\u0B3F\\u0B41-\\u0B44\\u0B4D\\u0B56\\u0B62\\u0B63\\u0B82\\u0BC0\\u0BCD\\u0C3E-\\u0C40\\u0C46-\\u0C48\\u0C4A-\\u0C4D\\u0C55\\u0C56\\u0C62\\u0C63\\u0CBC\\u0CBF\\u0CC6\\u0CCC\\u0CCD\\u0CE2\\u0CE3\\u0D41-\\u0D44\\u0D4D\\u0D62\\u0D63\\u0DCA\\u0DD2-\\u0DD4\\u0DD6\\u0E31\\u0E34-\\u0E3A\\u0E47-\\u0E4E\\u0EB1\\u0EB4-\\u0EB9\\u0EBB\\u0EBC\\u0EC8-\\u0ECD\\u0F18\\u0F19\\u0F35\\u0F37\\u0F39\\u0F71-\\u0F7E\\u0F80-\\u0F84\\u0F86\\u0F87\\u0F8D-\\u0F97\\u0F99-\\u0FBC\\u0FC6\\u102D-\\u1030\\u1032-\\u1037\\u1039\\u103A\\u103D\\u103E\\u1058\\u1059\\u105E-\\u1060\\u1071-\\u1074\\u1082\\u1085\\u1086\\u108D\\u109D\\u135D-\\u135F\\u1712-\\u1714\\u1732-\\u1734\\u1752\\u1753\\u1772\\u1773\\u17B7-\\u17BD\\u17C6\\u17C9-\\u17D3\\u17DD\\u180B-\\u180D\\u18A9\\u1920-\\u1922\\u1927\\u1928\\u1932\\u1939-\\u193B\\u1A17\\u1A18\\u1A56\\u1A58-\\u1A5E\\u1A60\\u1A62\\u1A65-\\u1A6C\\u1A73-\\u1A7C\\u1A7F\\u1B00-\\u1B03\\u1B34\\u1B36-\\u1B3A\\u1B3C\\u1B42\\u1B6B-\\u1B73\\u1B80\\u1B81\\u1BA2-\\u1BA5\\u1BA8\\u1BA9\\u1BE6\\u1BE8\\u1BE9\\u1BED\\u1BEF-\\u1BF1\\u1C2C-\\u1C33\\u1C36\\u1C37\\u1CD0-\\u1CD2\\u1CD4-\\u1CE0\\u1CE2-\\u1CE8\\u1CED\\u1DC0-\\u1DE6\\u1DFC-\\u1DFF\\u20D0-\\u20DC\\u20E1\\u20E5-\\u20F0\\u2CEF-\\u2CF1\\u2D7F\\u2DE0-\\u2DFF\\u302A-\\u302F\\u3099\\u309A\\uA66F\\uA67C\\uA67D\\uA6F0\\uA6F1\\uA802\\uA806\\uA80B\\uA825\\uA826\\uA8C4\\uA8E0-\\uA8F1\\uA926-\\uA92D\\uA947-\\uA951\\uA980-\\uA982\\uA9B3\\uA9B6-\\uA9B9\\uA9BC\\uAA29-\\uAA2E\\uAA31\\uAA32\\uAA35\\uAA36\\uAA43\\uAA4C\\uAAB0\\uAAB2-\\uAAB4\\uAAB7\\uAAB8\\uAABE\\uAABF\\uAAC1\\uABE5\\uABE8\\uABED\\uFB1E\\uFE00-\\uFE0F\\uFE20-\\uFE26\\u0903\\u093B\\u093E-\\u0940\\u0949-\\u094C\\u094E\\u094F\\u0982\\u0983\\u09BE-\\u09C0\\u09C7\\u09C8\\u09CB\\u09CC\\u09D7\\u0A03\\u0A3E-\\u0A40\\u0A83\\u0ABE-\\u0AC0\\u0AC9\\u0ACB\\u0ACC\\u0B02\\u0B03\\u0B3E\\u0B40\\u0B47\\u0B48\\u0B4B\\u0B4C\\u0B57\\u0BBE\\u0BBF\\u0BC1\\u0BC2\\u0BC6-\\u0BC8\\u0BCA-\\u0BCC\\u0BD7\\u0C01-\\u0C03\\u0C41-\\u0C44\\u0C82\\u0C83\\u0CBE\\u0CC0-\\u0CC4\\u0CC7\\u0CC8\\u0CCA\\u0CCB\\u0CD5\\u0CD6\\u0D02\\u0D03\\u0D3E-\\u0D40\\u0D46-\\u0D48\\u0D4A-\\u0D4C\\u0D57\\u0D82\\u0D83\\u0DCF-\\u0DD1\\u0DD8-\\u0DDF\\u0DF2\\u0DF3\\u0F3E\\u0F3F\\u0F7F\\u102B\\u102C\\u1031\\u1038\\u103B\\u103C\\u1056\\u1057\\u1062-\\u1064\\u1067-\\u106D\\u1083\\u1084\\u1087-\\u108C\\u108F\\u109A-\\u109C\\u17B6\\u17BE-\\u17C5\\u17C7\\u17C8\\u1923-\\u1926\\u1929-\\u192B\\u1930\\u1931\\u1933-\\u1938\\u19B0-\\u19C0\\u19C8\\u19C9\\u1A19-\\u1A1B\\u1A55\\u1A57\\u1A61\\u1A63\\u1A64\\u1A6D-\\u1A72\\u1B04\\u1B35\\u1B3B\\u1B3D-\\u1B41\\u1B43\\u1B44\\u1B82\\u1BA1\\u1BA6\\u1BA7\\u1BAA\\u1BE7\\u1BEA-\\u1BEC\\u1BEE\\u1BF2\\u1BF3\\u1C24-\\u1C2B\\u1C34\\u1C35\\u1CE1\\u1CF2\\uA823\\uA824\\uA827\\uA880\\uA881\\uA8B4-\\uA8C3\\uA952\\uA953\\uA983\\uA9B4\\uA9B5\\uA9BA\\uA9BB\\uA9BD-\\uA9C0\\uAA2F\\uAA30\\uAA33\\uAA34\\uAA4D\\uAA7B\\uABE3\\uABE4\\uABE6\\uABE7\\uABE9\\uABEA\\uABEC]");
          }
        }
        if (r0 === null) {
          r1 = pos;
          if (input.charCodeAt(pos) === 56128) {
            r2 = "\uDB40";
            pos++;
          } else {
            r2 = null;
            if (reportFailures === 0) {
              matchFailed("\"\\uDB40\"");
            }
          }
          if (r2 !== null) {
            if (/^[\uDD00-\uDDEF]/.test(input.charAt(pos))) {
              r3 = input.charAt(pos);
              pos++;
            } else {
              r3 = null;
              if (reportFailures === 0) {
                matchFailed("[\\uDD00-\\uDDEF]");
              }
            }
            if (r3 !== null) {
              r0 = [r2, r3];
            } else {
              r0 = null;
              pos = r1;
            }
          } else {
            r0 = null;
            pos = r1;
          }
          if (r0 === null) {
            r1 = pos;
            if (input.charCodeAt(pos) === 55348) {
              r2 = "\uD834";
              pos++;
            } else {
              r2 = null;
              if (reportFailures === 0) {
                matchFailed("\"\\uD834\"");
              }
            }
            if (r2 !== null) {
              if (/^[\uDD67-\uDD69\uDD7B-\uDD82\uDD85-\uDD8B\uDDAA-\uDDAD\uDE42-\uDE44\uDD65\uDD66\uDD6D-\uDD72]/.test(input.charAt(pos))) {
                r3 = input.charAt(pos);
                pos++;
              } else {
                r3 = null;
                if (reportFailures === 0) {
                  matchFailed("[\\uDD67-\\uDD69\\uDD7B-\\uDD82\\uDD85-\\uDD8B\\uDDAA-\\uDDAD\\uDE42-\\uDE44\\uDD65\\uDD66\\uDD6D-\\uDD72]");
                }
              }
              if (r3 !== null) {
                r0 = [r2, r3];
              } else {
                r0 = null;
                pos = r1;
              }
            } else {
              r0 = null;
              pos = r1;
            }
            if (r0 === null) {
              r1 = pos;
              if (input.charCodeAt(pos) === 55300) {
                r2 = "\uD804";
                pos++;
              } else {
                r2 = null;
                if (reportFailures === 0) {
                  matchFailed("\"\\uD804\"");
                }
              }
              if (r2 !== null) {
                if (/^[\uDC01\uDC38-\uDC46\uDC80\uDC81\uDCB3-\uDCB6\uDCB9\uDCBA\uDC00\uDC02\uDC82\uDCB0-\uDCB2\uDCB7\uDCB8]/.test(input.charAt(pos))) {
                  r3 = input.charAt(pos);
                  pos++;
                } else {
                  r3 = null;
                  if (reportFailures === 0) {
                    matchFailed("[\\uDC01\\uDC38-\\uDC46\\uDC80\\uDC81\\uDCB3-\\uDCB6\\uDCB9\\uDCBA\\uDC00\\uDC02\\uDC82\\uDCB0-\\uDCB2\\uDCB7\\uDCB8]");
                  }
                }
                if (r3 !== null) {
                  r0 = [r2, r3];
                } else {
                  r0 = null;
                  pos = r1;
                }
              } else {
                r0 = null;
                pos = r1;
              }
              if (r0 === null) {
                r1 = pos;
                if (input.charCodeAt(pos) === 55296) {
                  r2 = "\uD800";
                  pos++;
                } else {
                  r2 = null;
                  if (reportFailures === 0) {
                    matchFailed("\"\\uD800\"");
                  }
                }
                if (r2 !== null) {
                  if (/^[\uDDFD]/.test(input.charAt(pos))) {
                    r3 = input.charAt(pos);
                    pos++;
                  } else {
                    r3 = null;
                    if (reportFailures === 0) {
                      matchFailed("[\\uDDFD]");
                    }
                  }
                  if (r3 !== null) {
                    r0 = [r2, r3];
                  } else {
                    r0 = null;
                    pos = r1;
                  }
                } else {
                  r0 = null;
                  pos = r1;
                }
                if (r0 === null) {
                  r1 = pos;
                  if (input.charCodeAt(pos) === 55298) {
                    r2 = "\uD802";
                    pos++;
                  } else {
                    r2 = null;
                    if (reportFailures === 0) {
                      matchFailed("\"\\uD802\"");
                    }
                  }
                  if (r2 !== null) {
                    if (/^[\uDE01-\uDE03\uDE05\uDE06\uDE0C-\uDE0F\uDE38-\uDE3A\uDE3F]/.test(input.charAt(pos))) {
                      r3 = input.charAt(pos);
                      pos++;
                    } else {
                      r3 = null;
                      if (reportFailures === 0) {
                        matchFailed("[\\uDE01-\\uDE03\\uDE05\\uDE06\\uDE0C-\\uDE0F\\uDE38-\\uDE3A\\uDE3F]");
                      }
                    }
                    if (r3 !== null) {
                      r0 = [r2, r3];
                    } else {
                      r0 = null;
                      pos = r1;
                    }
                  } else {
                    r0 = null;
                    pos = r1;
                  }
                }
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_UnicodeDigit() {
        var cacheKey = "UnicodeDigit@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0, r1, r2, r3;
        
        if (/^[0-9\u0660-\u0669\u06F0-\u06F9\u07C0-\u07C9\u0966-\u096F\u09E6-\u09EF\u0A66-\u0A6F\u0AE6-\u0AEF\u0B66-\u0B6F\u0BE6-\u0BEF\u0C66-\u0C6F\u0CE6-\u0CEF\u0D66-\u0D6F\u0E50-\u0E59\u0ED0-\u0ED9\u0F20-\u0F29\u1040-\u1049\u1090-\u1099\u17E0-\u17E9\u1810-\u1819\u1946-\u194F\u19D0-\u19D9\u1A80-\u1A89\u1A90-\u1A99\u1B50-\u1B59\u1BB0-\u1BB9\u1C40-\u1C49\u1C50-\u1C59\uA620-\uA629\uA8D0-\uA8D9\uA900-\uA909\uA9D0-\uA9D9\uAA50-\uAA59\uABF0-\uABF9\uFF10-\uFF19]/.test(input.charAt(pos))) {
          r0 = input.charAt(pos);
          pos++;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            matchFailed("[0-9\\u0660-\\u0669\\u06F0-\\u06F9\\u07C0-\\u07C9\\u0966-\\u096F\\u09E6-\\u09EF\\u0A66-\\u0A6F\\u0AE6-\\u0AEF\\u0B66-\\u0B6F\\u0BE6-\\u0BEF\\u0C66-\\u0C6F\\u0CE6-\\u0CEF\\u0D66-\\u0D6F\\u0E50-\\u0E59\\u0ED0-\\u0ED9\\u0F20-\\u0F29\\u1040-\\u1049\\u1090-\\u1099\\u17E0-\\u17E9\\u1810-\\u1819\\u1946-\\u194F\\u19D0-\\u19D9\\u1A80-\\u1A89\\u1A90-\\u1A99\\u1B50-\\u1B59\\u1BB0-\\u1BB9\\u1C40-\\u1C49\\u1C50-\\u1C59\\uA620-\\uA629\\uA8D0-\\uA8D9\\uA900-\\uA909\\uA9D0-\\uA9D9\\uAA50-\\uAA59\\uABF0-\\uABF9\\uFF10-\\uFF19]");
          }
        }
        if (r0 === null) {
          r1 = pos;
          if (input.charCodeAt(pos) === 55349) {
            r2 = "\uD835";
            pos++;
          } else {
            r2 = null;
            if (reportFailures === 0) {
              matchFailed("\"\\uD835\"");
            }
          }
          if (r2 !== null) {
            if (/^[\uDFCE-\uDFFF]/.test(input.charAt(pos))) {
              r3 = input.charAt(pos);
              pos++;
            } else {
              r3 = null;
              if (reportFailures === 0) {
                matchFailed("[\\uDFCE-\\uDFFF]");
              }
            }
            if (r3 !== null) {
              r0 = [r2, r3];
            } else {
              r0 = null;
              pos = r1;
            }
          } else {
            r0 = null;
            pos = r1;
          }
          if (r0 === null) {
            r1 = pos;
            if (input.charCodeAt(pos) === 55300) {
              r2 = "\uD804";
              pos++;
            } else {
              r2 = null;
              if (reportFailures === 0) {
                matchFailed("\"\\uD804\"");
              }
            }
            if (r2 !== null) {
              if (/^[\uDC66-\uDC6F]/.test(input.charAt(pos))) {
                r3 = input.charAt(pos);
                pos++;
              } else {
                r3 = null;
                if (reportFailures === 0) {
                  matchFailed("[\\uDC66-\\uDC6F]");
                }
              }
              if (r3 !== null) {
                r0 = [r2, r3];
              } else {
                r0 = null;
                pos = r1;
              }
            } else {
              r0 = null;
              pos = r1;
            }
            if (r0 === null) {
              r1 = pos;
              if (input.charCodeAt(pos) === 55297) {
                r2 = "\uD801";
                pos++;
              } else {
                r2 = null;
                if (reportFailures === 0) {
                  matchFailed("\"\\uD801\"");
                }
              }
              if (r2 !== null) {
                if (/^[\uDCA0-\uDCA9]/.test(input.charAt(pos))) {
                  r3 = input.charAt(pos);
                  pos++;
                } else {
                  r3 = null;
                  if (reportFailures === 0) {
                    matchFailed("[\\uDCA0-\\uDCA9]");
                  }
                }
                if (r3 !== null) {
                  r0 = [r2, r3];
                } else {
                  r0 = null;
                  pos = r1;
                }
              } else {
                r0 = null;
                pos = r1;
              }
            }
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_UnicodeConnectorPunctuation() {
        var cacheKey = "UnicodeConnectorPunctuation@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        if (/^[_\u203F\u2040\u2054\uFE33\uFE34\uFE4D-\uFE4F\uFF3F]/.test(input.charAt(pos))) {
          r0 = input.charAt(pos);
          pos++;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            matchFailed("[_\\u203F\\u2040\\u2054\\uFE33\\uFE34\\uFE4D-\\uFE4F\\uFF3F]");
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_ZWNJ() {
        var cacheKey = "ZWNJ@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        if (input.charCodeAt(pos) === 8204) {
          r0 = "\u200C";
          pos++;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            matchFailed("\"\\u200C\"");
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      function parse_ZWJ() {
        var cacheKey = "ZWJ@" + pos;
        var cachedResult = cache[cacheKey];
        if (cachedResult) {
          pos = cachedResult.nextPos;
          return cachedResult.result;
        }
        
        var r0;
        
        if (input.charCodeAt(pos) === 8205) {
          r0 = "\u200D";
          pos++;
        } else {
          r0 = null;
          if (reportFailures === 0) {
            matchFailed("\"\\u200D\"");
          }
        }
        
        cache[cacheKey] = {
          nextPos: pos,
          result:  r0
        };
        return r0;
      }
      
      
      function cleanupExpected(expected) {
        expected.sort();
        
        var lastExpected = null;
        var cleanExpected = [];
        for (var i = 0; i < expected.length; i++) {
          if (expected[i] !== lastExpected) {
            cleanExpected.push(expected[i]);
            lastExpected = expected[i];
          }
        }
        return cleanExpected;
      }
      
      
      var CS = require("./nodes"),
      
        constructorLookup =
          { '||': CS.LogicalOrOp
          , or: CS.LogicalOrOp
          , '&&': CS.LogicalAndOp
          , and: CS.LogicalAndOp
          , '|': CS.BitOrOp
          , '^': CS.BitXorOp
          , '&': CS.BitAndOp
          , '?': CS.ExistsOp
          , '==': CS.EQOp
          , is: CS.EQOp
          , '!=': CS.NEQOp
          , isnt: CS.NEQOp
          , '<=': CS.LTEOp
          , '>=': CS.GTEOp
          , '<': CS.LTOp
          , '>': CS.GTOp
          , 'extends': CS.ExtendsOp
          , 'instanceof': CS.InstanceofOp
          , 'in': CS.InOp
          , 'of': CS.OfOp
          , '<<': CS.LeftShiftOp
          , '>>': CS.SignedRightShiftOp
          , '>>>': CS.UnsignedRightShiftOp
          , '+': CS.PlusOp
          , '-': CS.SubtractOp
          , '*': CS.MultiplyOp
          , '/': CS.DivideOp
          , '%': CS.RemOp
          , '**': CS.ExpOp
          },
      
        negatableOps = ['instanceof', 'in', 'of'],
        chainableComparisonOps = ['<=', '>=', '<', '>', '==', 'is', '!=', 'isnt'],
      
        rightAssocOps = [';', '=', '?', '**'],
        precedenceHierarchy =
          [ ['or', '||']
          , ['and', '&&']
          , ['|']
          , ['^']
          , ['&']
          , ['?']
          , ['is', '==', 'isnt', '!=']
          , ['instanceof', 'in', 'of', '<=', '>=', '<', '>']
          , ['<<', '>>', '>>>']
          , ['+', '-']
          , ['*', '/', '%']
          , ['**']
          ],
      
        precedenceTable = (function(){
          var table = {}, ops, op;
          for(var level = 0, l = precedenceHierarchy.length; level < l; ++level) {
            ops = precedenceHierarchy[level];
            for(var o = 0, k = ops.length; o < k; ++o) {
              op = ops[o];
              table[op] = level;
            }
          }
          return table;
        }()),
      
        RIGHT_ASSOCIATIVE = {},
        LEFT_ASSOCIATIVE = {},
      
        associativities = (function(){
          var result = {};
          for(var op in precedenceTable) {
            if(!{}.hasOwnProperty.call(precedenceTable, op)) continue;
            result[op] = LEFT_ASSOCIATIVE;
          }
          for(var i = 0, l = rightAssocOps.length; i < l; ++i) {
            result[rightAssocOps[i]] = RIGHT_ASSOCIATIVE;
          }
          return result;
        }());
      
        for(var i = 0, l = negatableOps.length; i < l; ++i) {
          (function(op){
            var fn = function(a, b){ return new CS.LogicalNotOp(new constructorLookup[op](a, b)); };
            fn.prototype = constructorLookup[op].prototype;
            var negatedOp = 'not ' + op;
            constructorLookup[negatedOp] = fn;
            precedenceTable[negatedOp] = precedenceTable[op];
            associativities[negatedOp] = associativities[op];
          }(negatableOps[i]));
        }
      
      
        var
        prefixConstructorLookup =
          { '++': CS.PreIncrementOp
          , '--': CS.PreDecrementOp
          , '+': CS.UnaryPlusOp
          , '-': CS.UnaryNegateOp
          , '!': CS.LogicalNotOp
          , 'not': CS.LogicalNotOp
          , '~': CS.BitNotOp
          , 'do': CS.DoOp
          , 'typeof': CS.TypeofOp
          , 'delete': CS.DeleteOp
          },
      
        postfixConstructorLookup =
          { '?': CS.UnaryExistsOp
          , '[..]': CS.ShallowCopyArray
          , '++': CS.PostIncrementOp
          , '--': CS.PostDecrementOp
          },
      
        foldl = function(fn, memo, list){
          for(var i = 0, l = list.length; i < l; ++i)
            memo = fn(memo, list[i]);
          return memo;
        },
        foldr = function(fn, memo, list){
          for(var i = list.length; i--;)
            memo = fn(memo, list[i]);
          return memo;
        },
      
        // TODO: clean up and use a functional approach; stack === recursion
        foldBinaryExpr = function(parts, ignoreChains) {
          var stack, chainStack, nextPrec, nextOp, className, ctor, prec, rightOperand, leftOperand, operator, i, expr;
          if(parts.length < 3) return parts[0]; // should never happen
          stack = [].slice.call(parts, 0, 3);
          parts = [].slice.call(parts, 3);
      
          while(parts.length > 0) {
            nextOp = parts[0];
      
            if(!ignoreChains && stack.length > 2) {
              operator = stack[stack.length - 2];
              // reduce chained comparisons
              if(chainableComparisonOps.indexOf(operator) >= 0 && chainableComparisonOps.indexOf(nextOp) >= 0) {
                chainStack = stack.slice(-3);
                stack = stack.slice(0, stack.length - 3);
                do {
                  operator = nextOp;
                  chainStack.push(parts.shift(), parts.shift());
                  nextOp = parts[0];
                  if(nextOp) {
                    nextPrec = precedenceTable[nextOp];
                    prec = precedenceTable[operator];
                  }
                // TODO: I would love `a < b is c < d` to instead denote `(a < b) is (c < d)`
                } while(nextOp != null && (nextPrec > prec || chainableComparisonOps.indexOf(nextOp) >= 0));
                stack.push(new CS.ChainedComparisonOp(foldBinaryExpr(chainStack, true)));
                continue;
              }
            }
      
            // reduce
            while(
              stack.length > 2 &&
              (
                operator = stack[stack.length - 2],
                prec = precedenceTable[operator],
                nextPrec = precedenceTable[nextOp],
                nextPrec < prec ||
                chainableComparisonOps.indexOf(operator) >= 0 && chainableComparisonOps.indexOf(nextOp) >= 0 ||
                nextPrec == prec && associativities[operator] === LEFT_ASSOCIATIVE
              )
            ) {
              rightOperand = stack.pop();
              stack.pop(); // operator
              leftOperand = stack.pop();
              stack.push(new constructorLookup[operator](leftOperand, rightOperand));
            }
            // shift
            stack.push(parts.shift()); // operator
            stack.push(parts.shift()); // next operand
          }
      
          // reduce the rest of the stack
          expr = stack.pop();
          while(stack.length > 0)
            expr = new constructorLookup[stack.pop()](stack.pop(), expr);
      
          return expr;
        },
      
        createInterpolation = function(es){
          var init = new CS.String('').g();
          return foldl(function(memo, s){
            if(s instanceof CS.String) {
              var left = memo;
              while(left)
                if(left instanceof CS.String) {
                  if(left === init) {
                    c(left, s);
                    delete left.generated;
                  }
                  left.data = left.data + s.data;
                  return memo;
                } else if(left instanceof CS.ConcatOp) {
                  left = left.right
                } else {
                  break;
                }
            }
            return new CS.ConcatOp(memo, s);
          }, init, es);
        },
      
        createMemberExpression = function(e, accesses){
          return foldl(function(left, access){
            var F = function(){};
            F.prototype = access.op.prototype;
            var o = new F;
            // rather safely assumes access.op is returning non-Object
            access.op.apply(o, [left].concat(access.operands));
            return c(o.r(left.raw + access.raw), e);
          }, e, accesses);
        },
      
        isValidRegExpFlags = function(flags) {
          if(!flags) return true;
          if(flags.length > 4) return false;
          flags.sort();
          var flag = null;
          for(var i = 0, l = flags.length; i < l; ++i)
            if(flag == flags[i]) return false;
            else flag = flags[i];
          return true;
        },
      
        // TODO: refactor this
        stripLeadingWhitespace = function(str){
          str = str.replace(/\s+$/, '');
          var attempt, match, matchStr = str, indent = null;
          while(match = /\n+([^\n\S]*)/.exec(matchStr)) {
            attempt = match[1];
            matchStr = matchStr.slice(match.index + match[0].length);
            if (indent == null || 0 < attempt.length && attempt.length < indent.length)
              indent = attempt;
          }
          if(indent) str = str.replace(new RegExp('\\n' + indent, 'g'), '\n');
          str = str.replace(/^\n/, '');
          return str;
        },
      
        // TODO: remove mutation?
        stripLeadingWhitespaceInterpolation = function(pieces){
          var indent = null, piece, match, i, l, attempt, matchStr;
          for(i = 0, l = pieces.length; i < l; ++i) {
            piece = pieces[i];
            if(piece instanceof CS.String) {
              if(i == l - 1) piece.data = piece.data.replace(/\s+$/, '');
              matchStr = piece.data;
              while(match = /\n+([^\n\S]*)/.exec(matchStr)) {
                attempt = match[1]
                matchStr = matchStr.slice(match.index + match[0].length);
                if (indent == null || 0 < attempt.length && attempt.length < indent.length)
                  indent = attempt;
              }
            }
          }
          if(indent) {
            for(i = 0, l = pieces.length; i < l; ++i) {
              piece = pieces[i];
              if(piece instanceof CS.String) {
                piece.data = piece.data.replace(new RegExp('\\n' + indent, 'g'), '\n');
                if(i === l - 1) piece.data = piece.data.replace(/(\n\s*)+$/, '');
                if(i === 0) piece.data = piece.data.replace(/^\n/, '');
              }
            }
          }
          return pieces;
        },
      
        // the identity function
        id = function(x){ return x; },
        // store raw parse information
        r = options.raw ? function(node){
          node.raw = text().replace(/[\uEFEF\uEFFE\uEFFF]/g, '');
          return node;
        } : id,
        // store position information
        p = options.raw ? function(node){
          node.line = line();
          node.column = column();
          node.offset = offset();
          return node;
        } : id,
        // composition of r and p
        rp = options.raw ? function(node){ return r(p(node)); } : id,
        // copy position information
        c = options.raw ? function(to, from){
          to.line = from.line;
          to.column = from.column;
          to.offset = from.offset;
          return to;
        } : id;
      
        // XXX: this overrides the function with the same name generated by PEGjs; see comment within
        function computeReportedPosDetails() {
          function advanceCachedReportedPos() {
            var ch;
      
            for (; cachedReportedPos < reportedPos; cachedReportedPos++) {
              ch = input.charAt(cachedReportedPos);
              if (ch === "\n") {
                if (!cachedReportedPosDetails.seenCR) { cachedReportedPosDetails.line++; }
                cachedReportedPosDetails.column = 1;
                cachedReportedPosDetails.seenCR = false;
              } else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
                cachedReportedPosDetails.line++;
                cachedReportedPosDetails.column = 1;
                cachedReportedPosDetails.seenCR = true;
              // XXX: strip control characters when calculating position information; see #117
              } else if(!/[\uEFEF\uEFFE\uEFFF]/.test(ch)) {
                cachedReportedPosDetails.column++;
                cachedReportedPosDetails.seenCR = false;
              }
            }
          }
      
          if (cachedReportedPos !== reportedPos) {
            if (cachedReportedPos > reportedPos) {
              cachedReportedPos = 0;
              cachedReportedPosDetails = { line: 1, column: 1, seenCR: false };
            }
            advanceCachedReportedPos();
          }
      
          return cachedReportedPosDetails;
        }
      
      
      var result = parseFunctions[startRule]();
      
      /*
       * The parser is now in one of the following three states:
       *
       * 1. The parser successfully parsed the whole input.
       *
       *    - |result !== null|
       *    - |pos === input.length|
       *    - |rightmostFailuresExpected| may or may not contain something
       *
       * 2. The parser successfully parsed only a part of the input.
       *
       *    - |result !== null|
       *    - |pos < input.length|
       *    - |rightmostFailuresExpected| may or may not contain something
       *
       * 3. The parser did not successfully parse any part of the input.
       *
       *   - |result === null|
       *   - |pos === 0|
       *   - |rightmostFailuresExpected| contains at least one failure
       *
       * All code following this comment (including called functions) must
       * handle these states.
       */
      if (result === null || pos !== input.length) {
        reportedPos = Math.max(pos, rightmostFailuresPos);
        var found = reportedPos < input.length ? input.charAt(reportedPos) : null;
        var reportedPosDetails = computeReportedPosDetails();
        
        throw new this.SyntaxError(
          cleanupExpected(rightmostFailuresExpected),
          found,
          reportedPos,
          reportedPosDetails.line,
          reportedPosDetails.column
        );
      }
      
      return result;
    }
  };
  
  /* Thrown when a parser encounters a syntax error. */
  
  result.SyntaxError = function(expected, found, offset, line, column) {
    function buildMessage(expected, found) {
      var expectedHumanized, foundHumanized;
      
      switch (expected.length) {
        case 0:
          expectedHumanized = "end of input";
          break;
        case 1:
          expectedHumanized = expected[0];
          break;
        default:
          expectedHumanized = expected.slice(0, expected.length - 1).join(", ")
            + " or "
            + expected[expected.length - 1];
      }
      
      foundHumanized = found ? quote(found) : "end of input";
      
      return "Expected " + expectedHumanized + " but " + foundHumanized + " found.";
    }
    
    this.name = "SyntaxError";
    this.expected = expected;
    this.found = found;
    this.message = buildMessage(expected, found);
    this.offset = offset;
    this.line = line;
    this.column = column;
  };
  
  subclass(result.SyntaxError, Error);
  
  return result;
})();