diff --git a/src/parser/expression.js b/src/parser/expression.js
index 1c075315f2..f55c378fbd 100644
--- a/src/parser/expression.js
+++ b/src/parser/expression.js
@@ -239,11 +239,14 @@ pp.parseExprOps = function (noIn, refShorthandDefaultPos) {
pp.parseExprOp = function(left, leftStartPos, leftStartLoc, minPrec, noIn) {
// correct ASI failures.
if (this.hasPlugin("lightscript") && this.isLineBreak()) {
-
// if it's a newline followed by a unary +/-, bail so it can be parsed separately.
if (this.match(tt.plusMin) && !this.isNextCharWhitespace()) {
return left;
}
+ // for match/case
+ if (this.match(tt.bitwiseOR)) {
+ return left;
+ }
}
if (this.hasPlugin("lightscript") && this.isBitwiseOp()) {
@@ -716,6 +719,12 @@ pp.parseExprAtom = function (refShorthandDefaultPos) {
return this.parseIfExpression(node);
}
+ case tt._match:
+ if (this.hasPlugin("lightscript")) {
+ node = this.startNode();
+ return this.parseMatchExpression(node);
+ }
+
case tt.arrow:
if (this.hasPlugin("lightscript")) {
node = this.startNode();
@@ -1151,6 +1160,9 @@ pp.parsePropertyName = function (prop) {
// Initialize empty function node.
pp.initFunction = function (node, isAsync) {
+ if (this.hasPlugin("lightscript") && this.state.inMatchCaseTest) {
+ this.unexpected(node.start, "Cannot match on functions.");
+ }
node.id = null;
node.generator = false;
node.expression = false;
diff --git a/src/parser/statement.js b/src/parser/statement.js
index bd795c95a8..840ec217eb 100644
--- a/src/parser/statement.js
+++ b/src/parser/statement.js
@@ -116,6 +116,9 @@ pp.parseStatement = function (declaration, topLevel) {
}
return starttype === tt._import ? this.parseImport(node) : this.parseExport(node);
+ case tt._match:
+ if (this.hasPlugin("lightscript")) return this.parseMatchStatement(node);
+
case tt.name:
if (this.state.value === "async") {
// peek ahead and see if next token is a function
diff --git a/src/plugins/jsx/index.js b/src/plugins/jsx/index.js
index de13289e38..dd620edac1 100644
--- a/src/plugins/jsx/index.js
+++ b/src/plugins/jsx/index.js
@@ -434,6 +434,11 @@ export default function(instance) {
return function(code) {
if (this.state.inPropertyName) return inner.call(this, code);
+ // don't allow jsx inside match case tests
+ if (this.hasPlugin("lightscript") && this.state.inMatchCaseTest) {
+ return inner.call(this, code);
+ }
+
const context = this.curContext();
if (this.hasPlugin("lightscript") && code === 60) {
diff --git a/src/plugins/lightscript.js b/src/plugins/lightscript.js
index 521183172f..13b0e39955 100644
--- a/src/plugins/lightscript.js
+++ b/src/plugins/lightscript.js
@@ -111,9 +111,10 @@ pp.expectParenFreeBlockStart = function (node) {
// if true: blah
// if true { blah }
// if (true) blah
+ // match (foo) as bar:
if (node && node.extra && node.extra.hasParens) {
this.expect(tt.parenR);
- } else if (!(this.match(tt.colon) || this.match(tt.braceL))) {
+ } else if (!(this.match(tt.colon) || this.match(tt.braceL) || this.isContextual("as"))) {
this.unexpected(null, "Paren-free test expressions must be followed by braces or a colon.");
}
};
@@ -550,6 +551,112 @@ pp.isBitwiseOp = function () {
);
};
+pp.parseMatchExpression = function (node) {
+ return this.parseMatch(node, true);
+};
+
+pp.parseMatchStatement = function (node) {
+ return this.parseMatch(node, false);
+};
+
+pp.parseMatch = function (node, isExpression) {
+ if (this.state.inMatchCaseTest) this.unexpected();
+ this.expect(tt._match);
+
+ node.discriminant = this.parseParenExpression();
+ if (this.eatContextual("as")) {
+ node.alias = this.parseIdentifier();
+ }
+
+ const isColon = this.match(tt.colon);
+ let isEnd;
+ if (isColon) {
+ const indentLevel = this.state.indentLevel;
+ this.next();
+ isEnd = () => this.state.indentLevel <= indentLevel || this.match(tt.eof);
+ } else {
+ this.expect(tt.braceL);
+ isEnd = () => this.eat(tt.braceR);
+ }
+
+ node.cases = [];
+ const caseIndentLevel = this.state.indentLevel;
+ let hasUsedElse = false;
+ while (!isEnd()) {
+ if (hasUsedElse) {
+ this.unexpected(null, "`else` must be last case.");
+ }
+ if (isColon && this.state.indentLevel !== caseIndentLevel) {
+ this.unexpected(null, "Mismatched indent.");
+ }
+
+ const matchCase = this.parseMatchCase(isExpression);
+ if (matchCase.test && matchCase.test.type === "MatchElse") {
+ hasUsedElse = true;
+ }
+ node.cases.push(matchCase);
+ }
+
+ if (!node.cases.length) {
+ this.unexpected(null, tt.bitwiseOR);
+ }
+
+ return this.finishNode(node, isExpression ? "MatchExpression" : "MatchStatement");
+};
+
+pp.parseMatchCase = function (isExpression) {
+ const node = this.startNode();
+
+ this.parseMatchCaseTest(node);
+
+ if (isExpression) {
+ // disallow return/continue/break, etc. c/p doExpression
+ const oldInFunction = this.state.inFunction;
+ const oldLabels = this.state.labels;
+ this.state.labels = [];
+ this.state.inFunction = false;
+
+ node.consequent = this.parseBlock(false);
+
+ this.state.inFunction = oldInFunction;
+ this.state.labels = oldLabels;
+ } else {
+ node.consequent = this.parseBlock(false);
+ }
+
+ return this.finishNode(node, "MatchCase");
+};
+
+pp.parseMatchCaseTest = function (node) {
+ // can't be nested so no need to read/restore old value
+ this.state.inMatchCaseTest = true;
+
+ this.expect(tt.bitwiseOR);
+ if (this.isLineBreak()) this.unexpected(this.state.lastTokEnd, "Illegal newline.");
+
+ if (this.match(tt._else)) {
+ const elseNode = this.startNode();
+ this.next();
+ node.test = this.finishNode(elseNode, "MatchElse");
+ } else if (this.eat(tt._with)) {
+ this.parseMatchCaseBinding(node);
+ } else {
+ node.test = this.parseExprOps();
+ }
+
+ if (this.eat(tt._with)) {
+ this.parseMatchCaseBinding(node);
+ }
+
+ this.state.inMatchCaseTest = false;
+};
+
+pp.parseMatchCaseBinding = function (node) {
+ if (node.binding) this.unexpected(this.state.lastTokStart, "Cannot destructure twice.");
+ if (!(this.match(tt.braceL) || this.match(tt.bracketL))) this.unexpected();
+ node.binding = this.parseBindingAtom();
+};
+
export default function (instance) {
@@ -568,7 +675,8 @@ export default function (instance) {
// first, try paren-free style
try {
const val = this.parseExpression();
- if (this.match(tt.braceL) || this.match(tt.colon)) {
+ // "as" for `match (foo) as bar:`, bit dirty to allow for all but not a problem
+ if (this.match(tt.braceL) || this.match(tt.colon) || this.isContextual("as")) {
if (val.extra && val.extra.parenthesized) {
delete val.extra.parenthesized;
delete val.extra.parenStart;
diff --git a/src/tokenizer/state.js b/src/tokenizer/state.js
index e69f12055f..9e19e9f21c 100644
--- a/src/tokenizer/state.js
+++ b/src/tokenizer/state.js
@@ -38,7 +38,9 @@ export default class State {
this.pos = this.lineStart = 0;
this.curLine = options.startLine;
+ // for lightscript
this.indentLevel = 0;
+ this.inMatchCaseTest = false;
this.type = tt.eof;
this.value = null;
diff --git a/src/tokenizer/types.js b/src/tokenizer/types.js
index 8e0d0a3807..af32a0f747 100644
--- a/src/tokenizer/types.js
+++ b/src/tokenizer/types.js
@@ -127,6 +127,7 @@ export const keywords = {
"or": types.logicalOR,
"and": types.logicalAND,
"not": new KeywordTokenType("not", { beforeExpr, prefix, startsExpr }),
+ "match": new KeywordTokenType("match", { beforeExpr, startsExpr }),
"break": new KeywordTokenType("break"),
"case": new KeywordTokenType("case", { beforeExpr }),
diff --git a/src/util/identifier.js b/src/util/identifier.js
index 25bbc28d50..704efe54b1 100644
--- a/src/util/identifier.js
+++ b/src/util/identifier.js
@@ -26,7 +26,7 @@ export const reservedWords = {
// And the keywords
-export const isKeyword = makePredicate("break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this let const class extends export import yield super or and not elif now");
+export const isKeyword = makePredicate("break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this let const class extends export import yield super or and not elif now match");
// ## Character categories
diff --git a/test/fixtures/lightscript/commaless/obj-pattern/actual.js b/test/fixtures/lightscript/commaless/obj-pattern/actual.js
index 2fecf2a794..c03b9a709b 100644
--- a/test/fixtures/lightscript/commaless/obj-pattern/actual.js
+++ b/test/fixtures/lightscript/commaless/obj-pattern/actual.js
@@ -2,7 +2,9 @@
a
b: {
c
- d
+ d = 1
+ e
}
- e
-} = f
+ f
+ ...g
+} = h
diff --git a/test/fixtures/lightscript/commaless/obj-pattern/expected.json b/test/fixtures/lightscript/commaless/obj-pattern/expected.json
index 628943a027..2f4e4e5e68 100644
--- a/test/fixtures/lightscript/commaless/obj-pattern/expected.json
+++ b/test/fixtures/lightscript/commaless/obj-pattern/expected.json
@@ -1,28 +1,28 @@
{
"type": "File",
"start": 0,
- "end": 38,
+ "end": 55,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
- "line": 8,
+ "line": 10,
"column": 5
}
},
"program": {
"type": "Program",
"start": 0,
- "end": 38,
+ "end": 55,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
- "line": 8,
+ "line": 10,
"column": 5
}
},
@@ -31,14 +31,14 @@
{
"type": "VariableDeclaration",
"start": 0,
- "end": 38,
+ "end": 55,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
- "line": 8,
+ "line": 10,
"column": 5
}
},
@@ -50,28 +50,28 @@
{
"type": "VariableDeclarator",
"start": 0,
- "end": 38,
+ "end": 55,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
- "line": 8,
+ "line": 10,
"column": 5
}
},
"id": {
"type": "ObjectPattern",
"start": 0,
- "end": 34,
+ "end": 51,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
- "line": 8,
+ "line": 10,
"column": 1
}
},
@@ -134,14 +134,14 @@
{
"type": "ObjectProperty",
"start": 8,
- "end": 28,
+ "end": 38,
"loc": {
"start": {
"line": 3,
"column": 2
},
"end": {
- "line": 6,
+ "line": 7,
"column": 3
}
},
@@ -168,14 +168,14 @@
"value": {
"type": "ObjectPattern",
"start": 11,
- "end": 28,
+ "end": 38,
"loc": {
"start": {
"line": 3,
"column": 5
},
"end": {
- "line": 6,
+ "line": 7,
"column": 3
}
},
@@ -238,7 +238,7 @@
{
"type": "ObjectProperty",
"start": 23,
- "end": 24,
+ "end": 28,
"loc": {
"start": {
"line": 5,
@@ -246,7 +246,7 @@
},
"end": {
"line": 5,
- "column": 5
+ "column": 9
}
},
"method": false,
@@ -270,9 +270,9 @@
"name": "d"
},
"value": {
- "type": "Identifier",
+ "type": "AssignmentPattern",
"start": 23,
- "end": 24,
+ "end": 28,
"loc": {
"start": {
"line": 5,
@@ -280,11 +280,101 @@
},
"end": {
"line": 5,
+ "column": 9
+ }
+ },
+ "left": {
+ "type": "Identifier",
+ "start": 23,
+ "end": 24,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 4
+ },
+ "end": {
+ "line": 5,
+ "column": 5
+ },
+ "identifierName": "d"
+ },
+ "name": "d"
+ },
+ "right": {
+ "type": "NumericLiteral",
+ "start": 27,
+ "end": 28,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 8
+ },
+ "end": {
+ "line": 5,
+ "column": 9
+ }
+ },
+ "extra": {
+ "rawValue": 1,
+ "raw": "1"
+ },
+ "value": 1
+ }
+ },
+ "extra": {
+ "shorthand": true
+ }
+ },
+ {
+ "type": "ObjectProperty",
+ "start": 33,
+ "end": 34,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 4
+ },
+ "end": {
+ "line": 6,
+ "column": 5
+ }
+ },
+ "method": false,
+ "shorthand": true,
+ "computed": false,
+ "key": {
+ "type": "Identifier",
+ "start": 33,
+ "end": 34,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 4
+ },
+ "end": {
+ "line": 6,
"column": 5
},
- "identifierName": "d"
+ "identifierName": "e"
},
- "name": "d"
+ "name": "e"
+ },
+ "value": {
+ "type": "Identifier",
+ "start": 33,
+ "end": 34,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 4
+ },
+ "end": {
+ "line": 6,
+ "column": 5
+ },
+ "identifierName": "e"
+ },
+ "name": "e"
},
"extra": {
"shorthand": true
@@ -295,15 +385,15 @@
},
{
"type": "ObjectProperty",
- "start": 31,
- "end": 32,
+ "start": 41,
+ "end": 42,
"loc": {
"start": {
- "line": 7,
+ "line": 8,
"column": 2
},
"end": {
- "line": 7,
+ "line": 8,
"column": 3
}
},
@@ -312,60 +402,92 @@
"computed": false,
"key": {
"type": "Identifier",
- "start": 31,
- "end": 32,
+ "start": 41,
+ "end": 42,
"loc": {
"start": {
- "line": 7,
+ "line": 8,
"column": 2
},
"end": {
- "line": 7,
+ "line": 8,
"column": 3
},
- "identifierName": "e"
+ "identifierName": "f"
},
- "name": "e"
+ "name": "f"
},
"value": {
"type": "Identifier",
- "start": 31,
- "end": 32,
+ "start": 41,
+ "end": 42,
"loc": {
"start": {
- "line": 7,
+ "line": 8,
"column": 2
},
"end": {
- "line": 7,
+ "line": 8,
"column": 3
},
- "identifierName": "e"
+ "identifierName": "f"
},
- "name": "e"
+ "name": "f"
},
"extra": {
"shorthand": true
}
+ },
+ {
+ "type": "RestProperty",
+ "start": 45,
+ "end": 49,
+ "loc": {
+ "start": {
+ "line": 9,
+ "column": 2
+ },
+ "end": {
+ "line": 9,
+ "column": 6
+ }
+ },
+ "argument": {
+ "type": "Identifier",
+ "start": 48,
+ "end": 49,
+ "loc": {
+ "start": {
+ "line": 9,
+ "column": 5
+ },
+ "end": {
+ "line": 9,
+ "column": 6
+ },
+ "identifierName": "g"
+ },
+ "name": "g"
+ }
}
]
},
"init": {
"type": "Identifier",
- "start": 37,
- "end": 38,
+ "start": 54,
+ "end": 55,
"loc": {
"start": {
- "line": 8,
+ "line": 10,
"column": 4
},
"end": {
- "line": 8,
+ "line": 10,
"column": 5
},
- "identifierName": "f"
+ "identifierName": "h"
},
- "name": "f"
+ "name": "h"
}
}
]
diff --git a/test/fixtures/lightscript/commaless/obj-pattern/options.json b/test/fixtures/lightscript/commaless/obj-pattern/options.json
new file mode 100644
index 0000000000..3ebf2619d6
--- /dev/null
+++ b/test/fixtures/lightscript/commaless/obj-pattern/options.json
@@ -0,0 +1,3 @@
+{
+ "plugins": ["objectRestSpread", "lightscript", "jsx", "flow"]
+}
diff --git a/test/fixtures/lightscript/match/as-parens/actual.js b/test/fixtures/lightscript/match/as-parens/actual.js
new file mode 100644
index 0000000000..e8e0c5011b
--- /dev/null
+++ b/test/fixtures/lightscript/match/as-parens/actual.js
@@ -0,0 +1,2 @@
+match (x) as foo:
+ | foo.bar: foo + 1
diff --git a/test/fixtures/lightscript/match/as-parens/expected.json b/test/fixtures/lightscript/match/as-parens/expected.json
new file mode 100644
index 0000000000..fd9037df26
--- /dev/null
+++ b/test/fixtures/lightscript/match/as-parens/expected.json
@@ -0,0 +1,219 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 20
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 20
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "MatchStatement",
+ "start": 0,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 20
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 7,
+ "end": 8,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 7
+ },
+ "end": {
+ "line": 1,
+ "column": 8
+ },
+ "identifierName": "x"
+ },
+ "name": "x",
+ "extra": {}
+ },
+ "alias": {
+ "type": "Identifier",
+ "start": 13,
+ "end": 16,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 13
+ },
+ "end": {
+ "line": 1,
+ "column": 16
+ },
+ "identifierName": "foo"
+ },
+ "name": "foo"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 20,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 20
+ }
+ },
+ "test": {
+ "type": "MemberExpression",
+ "start": 22,
+ "end": 29,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 11
+ }
+ },
+ "object": {
+ "type": "Identifier",
+ "start": 22,
+ "end": 25,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 7
+ },
+ "identifierName": "foo"
+ },
+ "name": "foo"
+ },
+ "property": {
+ "type": "Identifier",
+ "start": 26,
+ "end": 29,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 8
+ },
+ "end": {
+ "line": 2,
+ "column": 11
+ },
+ "identifierName": "bar"
+ },
+ "name": "bar"
+ },
+ "computed": false
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 31,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 13
+ },
+ "end": {
+ "line": 2,
+ "column": 20
+ }
+ },
+ "expression": {
+ "type": "BinaryExpression",
+ "start": 31,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 13
+ },
+ "end": {
+ "line": 2,
+ "column": 20
+ }
+ },
+ "left": {
+ "type": "Identifier",
+ "start": 31,
+ "end": 34,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 13
+ },
+ "end": {
+ "line": 2,
+ "column": 16
+ },
+ "identifierName": "foo"
+ },
+ "name": "foo"
+ },
+ "operator": "+",
+ "right": {
+ "type": "NumericLiteral",
+ "start": 37,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 19
+ },
+ "end": {
+ "line": 2,
+ "column": 20
+ }
+ },
+ "extra": {
+ "rawValue": 1,
+ "raw": "1"
+ },
+ "value": 1
+ }
+ }
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/as/actual.js b/test/fixtures/lightscript/match/as/actual.js
new file mode 100644
index 0000000000..ca74537788
--- /dev/null
+++ b/test/fixtures/lightscript/match/as/actual.js
@@ -0,0 +1,2 @@
+match x as foo:
+ | foo.bar: foo + 1
diff --git a/test/fixtures/lightscript/match/as/expected.json b/test/fixtures/lightscript/match/as/expected.json
new file mode 100644
index 0000000000..128055b862
--- /dev/null
+++ b/test/fixtures/lightscript/match/as/expected.json
@@ -0,0 +1,218 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 36,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 20
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 36,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 20
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "MatchStatement",
+ "start": 0,
+ "end": 36,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 20
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 6,
+ "end": 7,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 6
+ },
+ "end": {
+ "line": 1,
+ "column": 7
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "alias": {
+ "type": "Identifier",
+ "start": 11,
+ "end": 14,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 11
+ },
+ "end": {
+ "line": 1,
+ "column": 14
+ },
+ "identifierName": "foo"
+ },
+ "name": "foo"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 18,
+ "end": 36,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 20
+ }
+ },
+ "test": {
+ "type": "MemberExpression",
+ "start": 20,
+ "end": 27,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 11
+ }
+ },
+ "object": {
+ "type": "Identifier",
+ "start": 20,
+ "end": 23,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 7
+ },
+ "identifierName": "foo"
+ },
+ "name": "foo"
+ },
+ "property": {
+ "type": "Identifier",
+ "start": 24,
+ "end": 27,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 8
+ },
+ "end": {
+ "line": 2,
+ "column": 11
+ },
+ "identifierName": "bar"
+ },
+ "name": "bar"
+ },
+ "computed": false
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 29,
+ "end": 36,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 13
+ },
+ "end": {
+ "line": 2,
+ "column": 20
+ }
+ },
+ "expression": {
+ "type": "BinaryExpression",
+ "start": 29,
+ "end": 36,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 13
+ },
+ "end": {
+ "line": 2,
+ "column": 20
+ }
+ },
+ "left": {
+ "type": "Identifier",
+ "start": 29,
+ "end": 32,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 13
+ },
+ "end": {
+ "line": 2,
+ "column": 16
+ },
+ "identifierName": "foo"
+ },
+ "name": "foo"
+ },
+ "operator": "+",
+ "right": {
+ "type": "NumericLiteral",
+ "start": 35,
+ "end": 36,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 19
+ },
+ "end": {
+ "line": 2,
+ "column": 20
+ }
+ },
+ "extra": {
+ "rawValue": 1,
+ "raw": "1"
+ },
+ "value": 1
+ }
+ }
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/await/actual.js b/test/fixtures/lightscript/match/await/actual.js
new file mode 100644
index 0000000000..7885cf85d0
--- /dev/null
+++ b/test/fixtures/lightscript/match/await/actual.js
@@ -0,0 +1,6 @@
+f() -/>
+ <- match x:
+ | a: 1
+ | b: <- z()
+ | c:
+ <- z()
diff --git a/test/fixtures/lightscript/match/await/expected.json b/test/fixtures/lightscript/match/await/expected.json
new file mode 100644
index 0000000000..8fb55a971e
--- /dev/null
+++ b/test/fixtures/lightscript/match/await/expected.json
@@ -0,0 +1,434 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 70,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 6,
+ "column": 12
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 70,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 6,
+ "column": 12
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "NamedArrowDeclaration",
+ "start": 0,
+ "end": 70,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 6,
+ "column": 12
+ }
+ },
+ "id": {
+ "type": "Identifier",
+ "start": 0,
+ "end": 1,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 1,
+ "column": 1
+ },
+ "identifierName": "f"
+ },
+ "name": "f"
+ },
+ "generator": false,
+ "expression": false,
+ "async": true,
+ "params": [],
+ "skinny": true,
+ "body": {
+ "type": "BlockStatement",
+ "start": 4,
+ "end": 70,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 4
+ },
+ "end": {
+ "line": 6,
+ "column": 12
+ }
+ },
+ "body": [
+ {
+ "type": "ExpressionStatement",
+ "start": 10,
+ "end": 70,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 6,
+ "column": 12
+ }
+ },
+ "expression": {
+ "type": "AwaitExpression",
+ "start": 10,
+ "end": 70,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 6,
+ "column": 12
+ }
+ },
+ "argument": {
+ "type": "MatchExpression",
+ "start": 13,
+ "end": 70,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 5
+ },
+ "end": {
+ "line": 6,
+ "column": 12
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 19,
+ "end": 20,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 11
+ },
+ "end": {
+ "line": 2,
+ "column": 12
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 26,
+ "end": 32,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 10
+ }
+ },
+ "test": {
+ "type": "Identifier",
+ "start": 28,
+ "end": 29,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 6
+ },
+ "end": {
+ "line": 3,
+ "column": 7
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 31,
+ "end": 32,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 9
+ },
+ "end": {
+ "line": 3,
+ "column": 10
+ }
+ },
+ "expression": {
+ "type": "NumericLiteral",
+ "start": 31,
+ "end": 32,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 9
+ },
+ "end": {
+ "line": 3,
+ "column": 10
+ }
+ },
+ "extra": {
+ "rawValue": 1,
+ "raw": "1"
+ },
+ "value": 1
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 37,
+ "end": 48,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 4
+ },
+ "end": {
+ "line": 4,
+ "column": 15
+ }
+ },
+ "test": {
+ "type": "Identifier",
+ "start": 39,
+ "end": 40,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 6
+ },
+ "end": {
+ "line": 4,
+ "column": 7
+ },
+ "identifierName": "b"
+ },
+ "name": "b"
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 42,
+ "end": 48,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 9
+ },
+ "end": {
+ "line": 4,
+ "column": 15
+ }
+ },
+ "expression": {
+ "type": "AwaitExpression",
+ "start": 42,
+ "end": 48,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 9
+ },
+ "end": {
+ "line": 4,
+ "column": 15
+ }
+ },
+ "argument": {
+ "type": "CallExpression",
+ "start": 45,
+ "end": 48,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 12
+ },
+ "end": {
+ "line": 4,
+ "column": 15
+ }
+ },
+ "callee": {
+ "type": "Identifier",
+ "start": 45,
+ "end": 46,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 12
+ },
+ "end": {
+ "line": 4,
+ "column": 13
+ },
+ "identifierName": "z"
+ },
+ "name": "z"
+ },
+ "arguments": []
+ }
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 53,
+ "end": 70,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 4
+ },
+ "end": {
+ "line": 6,
+ "column": 12
+ }
+ },
+ "test": {
+ "type": "Identifier",
+ "start": 55,
+ "end": 56,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 6
+ },
+ "end": {
+ "line": 5,
+ "column": 7
+ },
+ "identifierName": "c"
+ },
+ "name": "c"
+ },
+ "consequent": {
+ "type": "BlockStatement",
+ "start": 56,
+ "end": 70,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 7
+ },
+ "end": {
+ "line": 6,
+ "column": 12
+ }
+ },
+ "body": [
+ {
+ "type": "ExpressionStatement",
+ "start": 64,
+ "end": 70,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 6
+ },
+ "end": {
+ "line": 6,
+ "column": 12
+ }
+ },
+ "expression": {
+ "type": "AwaitExpression",
+ "start": 64,
+ "end": 70,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 6
+ },
+ "end": {
+ "line": 6,
+ "column": 12
+ }
+ },
+ "argument": {
+ "type": "CallExpression",
+ "start": 67,
+ "end": 70,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 9
+ },
+ "end": {
+ "line": 6,
+ "column": 12
+ }
+ },
+ "callee": {
+ "type": "Identifier",
+ "start": 67,
+ "end": 68,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 9
+ },
+ "end": {
+ "line": 6,
+ "column": 10
+ },
+ "identifierName": "z"
+ },
+ "name": "z"
+ },
+ "arguments": []
+ }
+ }
+ }
+ ],
+ "directives": [],
+ "extra": {
+ "curly": false
+ }
+ }
+ }
+ ]
+ }
+ }
+ }
+ ],
+ "directives": [],
+ "extra": {
+ "curly": false
+ }
+ }
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/bitwise-or-consequent-inline/actual.js b/test/fixtures/lightscript/match/bitwise-or-consequent-inline/actual.js
new file mode 100644
index 0000000000..409f1d0dbf
--- /dev/null
+++ b/test/fixtures/lightscript/match/bitwise-or-consequent-inline/actual.js
@@ -0,0 +1,2 @@
+a = match x:
+ | 3: x | 1
diff --git a/test/fixtures/lightscript/match/bitwise-or-consequent-inline/options.json b/test/fixtures/lightscript/match/bitwise-or-consequent-inline/options.json
new file mode 100644
index 0000000000..3f733ee931
--- /dev/null
+++ b/test/fixtures/lightscript/match/bitwise-or-consequent-inline/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Bitwise operators have been disabled in LightScript. Use the stdlib functions instead (eg; `bitwiseAnd(a, b)`). (2:9)"
+}
diff --git a/test/fixtures/lightscript/match/bitwise-or-consequent-newline-illegal/actual.js b/test/fixtures/lightscript/match/bitwise-or-consequent-newline-illegal/actual.js
new file mode 100644
index 0000000000..3574a28285
--- /dev/null
+++ b/test/fixtures/lightscript/match/bitwise-or-consequent-newline-illegal/actual.js
@@ -0,0 +1,4 @@
+a = match x:
+ | 3:
+ x
+ | 1
diff --git a/test/fixtures/lightscript/match/bitwise-or-consequent-newline-illegal/options.json b/test/fixtures/lightscript/match/bitwise-or-consequent-newline-illegal/options.json
new file mode 100644
index 0000000000..dc3c665ff0
--- /dev/null
+++ b/test/fixtures/lightscript/match/bitwise-or-consequent-newline-illegal/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Unexpected token (4:4)"
+}
diff --git a/test/fixtures/lightscript/match/bitwise-or-test-explicit/actual.js b/test/fixtures/lightscript/match/bitwise-or-test-explicit/actual.js
new file mode 100644
index 0000000000..c18bd88ffe
--- /dev/null
+++ b/test/fixtures/lightscript/match/bitwise-or-test-explicit/actual.js
@@ -0,0 +1,2 @@
+a = match x:
+ | x | 3, -> "bitwise or 3"
diff --git a/test/fixtures/lightscript/match/bitwise-or-test-explicit/options.json b/test/fixtures/lightscript/match/bitwise-or-test-explicit/options.json
new file mode 100644
index 0000000000..0d6e3333f1
--- /dev/null
+++ b/test/fixtures/lightscript/match/bitwise-or-test-explicit/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Bitwise operators have been disabled in LightScript. Use the stdlib functions instead (eg; `bitwiseAnd(a, b)`). (2:6)"
+}
diff --git a/test/fixtures/lightscript/match/bitwise-or-test-implicit-illegal/actual.js b/test/fixtures/lightscript/match/bitwise-or-test-implicit-illegal/actual.js
new file mode 100644
index 0000000000..a87cf5cdde
--- /dev/null
+++ b/test/fixtures/lightscript/match/bitwise-or-test-implicit-illegal/actual.js
@@ -0,0 +1,2 @@
+a = match x:
+ | | 3, -> "bitwise or 3"
diff --git a/test/fixtures/lightscript/match/bitwise-or-test-implicit-illegal/options.json b/test/fixtures/lightscript/match/bitwise-or-test-implicit-illegal/options.json
new file mode 100644
index 0000000000..b2f4797ad8
--- /dev/null
+++ b/test/fixtures/lightscript/match/bitwise-or-test-implicit-illegal/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Unexpected token (2:4)"
+}
diff --git a/test/fixtures/lightscript/match/curlies-parens/actual.js b/test/fixtures/lightscript/match/curlies-parens/actual.js
new file mode 100644
index 0000000000..4493dca9ce
--- /dev/null
+++ b/test/fixtures/lightscript/match/curlies-parens/actual.js
@@ -0,0 +1,4 @@
+a = match (x) {
+| 2: "eq two"
+| else: "some other thing"
+}
diff --git a/test/fixtures/lightscript/match/curlies-parens/expected.json b/test/fixtures/lightscript/match/curlies-parens/expected.json
new file mode 100644
index 0000000000..e8af002e3c
--- /dev/null
+++ b/test/fixtures/lightscript/match/curlies-parens/expected.json
@@ -0,0 +1,257 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 58,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 4,
+ "column": 1
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 58,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 4,
+ "column": 1
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "VariableDeclaration",
+ "start": 0,
+ "end": 58,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 4,
+ "column": 1
+ }
+ },
+ "kind": "const",
+ "extra": {
+ "implicit": true
+ },
+ "declarations": [
+ {
+ "type": "VariableDeclarator",
+ "start": 0,
+ "end": 58,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 4,
+ "column": 1
+ }
+ },
+ "id": {
+ "type": "Identifier",
+ "start": 0,
+ "end": 1,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 1,
+ "column": 1
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "init": {
+ "type": "MatchExpression",
+ "start": 4,
+ "end": 58,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 4
+ },
+ "end": {
+ "line": 4,
+ "column": 1
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 11,
+ "end": 12,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 11
+ },
+ "end": {
+ "line": 1,
+ "column": 12
+ },
+ "identifierName": "x"
+ },
+ "name": "x",
+ "extra": {}
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 16,
+ "end": 29,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 13
+ }
+ },
+ "test": {
+ "type": "NumericLiteral",
+ "start": 18,
+ "end": 19,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 3
+ }
+ },
+ "extra": {
+ "rawValue": 2,
+ "raw": "2"
+ },
+ "value": 2
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 21,
+ "end": 29,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 5
+ },
+ "end": {
+ "line": 2,
+ "column": 13
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 21,
+ "end": 29,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 5
+ },
+ "end": {
+ "line": 2,
+ "column": 13
+ }
+ },
+ "extra": {
+ "rawValue": "eq two",
+ "raw": "\"eq two\""
+ },
+ "value": "eq two"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 30,
+ "end": 56,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 26
+ }
+ },
+ "test": {
+ "type": "MatchElse",
+ "start": 32,
+ "end": 36,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 2
+ },
+ "end": {
+ "line": 3,
+ "column": 6
+ }
+ }
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 38,
+ "end": 56,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 8
+ },
+ "end": {
+ "line": 3,
+ "column": 26
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 38,
+ "end": 56,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 8
+ },
+ "end": {
+ "line": 3,
+ "column": 26
+ }
+ },
+ "extra": {
+ "rawValue": "some other thing",
+ "raw": "\"some other thing\""
+ },
+ "value": "some other thing"
+ }
+ }
+ }
+ ]
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/curlies/actual.js b/test/fixtures/lightscript/match/curlies/actual.js
new file mode 100644
index 0000000000..f2b35475f7
--- /dev/null
+++ b/test/fixtures/lightscript/match/curlies/actual.js
@@ -0,0 +1,4 @@
+a = match x {
+| 2: "eq two"
+| else: "some other thing"
+}
diff --git a/test/fixtures/lightscript/match/curlies/expected.json b/test/fixtures/lightscript/match/curlies/expected.json
new file mode 100644
index 0000000000..f1139a3a48
--- /dev/null
+++ b/test/fixtures/lightscript/match/curlies/expected.json
@@ -0,0 +1,256 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 56,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 4,
+ "column": 1
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 56,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 4,
+ "column": 1
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "VariableDeclaration",
+ "start": 0,
+ "end": 56,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 4,
+ "column": 1
+ }
+ },
+ "kind": "const",
+ "extra": {
+ "implicit": true
+ },
+ "declarations": [
+ {
+ "type": "VariableDeclarator",
+ "start": 0,
+ "end": 56,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 4,
+ "column": 1
+ }
+ },
+ "id": {
+ "type": "Identifier",
+ "start": 0,
+ "end": 1,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 1,
+ "column": 1
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "init": {
+ "type": "MatchExpression",
+ "start": 4,
+ "end": 56,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 4
+ },
+ "end": {
+ "line": 4,
+ "column": 1
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 10,
+ "end": 11,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 10
+ },
+ "end": {
+ "line": 1,
+ "column": 11
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 14,
+ "end": 27,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 13
+ }
+ },
+ "test": {
+ "type": "NumericLiteral",
+ "start": 16,
+ "end": 17,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 3
+ }
+ },
+ "extra": {
+ "rawValue": 2,
+ "raw": "2"
+ },
+ "value": 2
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 19,
+ "end": 27,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 5
+ },
+ "end": {
+ "line": 2,
+ "column": 13
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 19,
+ "end": 27,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 5
+ },
+ "end": {
+ "line": 2,
+ "column": 13
+ }
+ },
+ "extra": {
+ "rawValue": "eq two",
+ "raw": "\"eq two\""
+ },
+ "value": "eq two"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 28,
+ "end": 54,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 26
+ }
+ },
+ "test": {
+ "type": "MatchElse",
+ "start": 30,
+ "end": 34,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 2
+ },
+ "end": {
+ "line": 3,
+ "column": 6
+ }
+ }
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 36,
+ "end": 54,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 8
+ },
+ "end": {
+ "line": 3,
+ "column": 26
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 36,
+ "end": 54,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 8
+ },
+ "end": {
+ "line": 3,
+ "column": 26
+ }
+ },
+ "extra": {
+ "rawValue": "some other thing",
+ "raw": "\"some other thing\""
+ },
+ "value": "some other thing"
+ }
+ }
+ }
+ ]
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/curly-consequent/actual.js b/test/fixtures/lightscript/match/curly-consequent/actual.js
new file mode 100644
index 0000000000..70c9b33348
--- /dev/null
+++ b/test/fixtures/lightscript/match/curly-consequent/actual.js
@@ -0,0 +1,12 @@
+a = match x:
+ | y { "y" }
+ | z {
+ "z"
+ }
+ | a with { b } {
+ b
+ b
+ }
+ | (c) {
+ d
+ }
diff --git a/test/fixtures/lightscript/match/curly-consequent/expected.json b/test/fixtures/lightscript/match/curly-consequent/expected.json
new file mode 100644
index 0000000000..359b3f2051
--- /dev/null
+++ b/test/fixtures/lightscript/match/curly-consequent/expected.json
@@ -0,0 +1,575 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 101,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 12,
+ "column": 3
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 101,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 12,
+ "column": 3
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "VariableDeclaration",
+ "start": 0,
+ "end": 101,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 12,
+ "column": 3
+ }
+ },
+ "kind": "const",
+ "extra": {
+ "implicit": true
+ },
+ "declarations": [
+ {
+ "type": "VariableDeclarator",
+ "start": 0,
+ "end": 101,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 12,
+ "column": 3
+ }
+ },
+ "id": {
+ "type": "Identifier",
+ "start": 0,
+ "end": 1,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 1,
+ "column": 1
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "init": {
+ "type": "MatchExpression",
+ "start": 4,
+ "end": 101,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 4
+ },
+ "end": {
+ "line": 12,
+ "column": 3
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 10,
+ "end": 11,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 10
+ },
+ "end": {
+ "line": 1,
+ "column": 11
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 15,
+ "end": 26,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 13
+ }
+ },
+ "test": {
+ "type": "Identifier",
+ "start": 17,
+ "end": 18,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 5
+ },
+ "identifierName": "y"
+ },
+ "name": "y"
+ },
+ "consequent": {
+ "type": "BlockStatement",
+ "start": 19,
+ "end": 26,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 6
+ },
+ "end": {
+ "line": 2,
+ "column": 13
+ }
+ },
+ "body": [
+ {
+ "type": "ExpressionStatement",
+ "start": 21,
+ "end": 24,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 8
+ },
+ "end": {
+ "line": 2,
+ "column": 11
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 21,
+ "end": 24,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 8
+ },
+ "end": {
+ "line": 2,
+ "column": 11
+ }
+ },
+ "extra": {
+ "rawValue": "y",
+ "raw": "\"y\""
+ },
+ "value": "y"
+ }
+ }
+ ],
+ "directives": [],
+ "extra": {
+ "curly": true
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 29,
+ "end": 46,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 2
+ },
+ "end": {
+ "line": 5,
+ "column": 3
+ }
+ },
+ "test": {
+ "type": "Identifier",
+ "start": 31,
+ "end": 32,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 5
+ },
+ "identifierName": "z"
+ },
+ "name": "z"
+ },
+ "consequent": {
+ "type": "BlockStatement",
+ "start": 33,
+ "end": 46,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 6
+ },
+ "end": {
+ "line": 5,
+ "column": 3
+ }
+ },
+ "body": [
+ {
+ "type": "ExpressionStatement",
+ "start": 39,
+ "end": 42,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 4
+ },
+ "end": {
+ "line": 4,
+ "column": 7
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 39,
+ "end": 42,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 4
+ },
+ "end": {
+ "line": 4,
+ "column": 7
+ }
+ },
+ "extra": {
+ "rawValue": "z",
+ "raw": "\"z\""
+ },
+ "value": "z"
+ }
+ }
+ ],
+ "directives": [],
+ "extra": {
+ "curly": true
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 49,
+ "end": 81,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 2
+ },
+ "end": {
+ "line": 9,
+ "column": 3
+ }
+ },
+ "test": {
+ "type": "Identifier",
+ "start": 51,
+ "end": 52,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 4
+ },
+ "end": {
+ "line": 6,
+ "column": 5
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "binding": {
+ "type": "ObjectPattern",
+ "start": 58,
+ "end": 63,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 11
+ },
+ "end": {
+ "line": 6,
+ "column": 16
+ }
+ },
+ "properties": [
+ {
+ "type": "ObjectProperty",
+ "start": 60,
+ "end": 61,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 13
+ },
+ "end": {
+ "line": 6,
+ "column": 14
+ }
+ },
+ "method": false,
+ "shorthand": true,
+ "computed": false,
+ "key": {
+ "type": "Identifier",
+ "start": 60,
+ "end": 61,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 13
+ },
+ "end": {
+ "line": 6,
+ "column": 14
+ },
+ "identifierName": "b"
+ },
+ "name": "b"
+ },
+ "value": {
+ "type": "Identifier",
+ "start": 60,
+ "end": 61,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 13
+ },
+ "end": {
+ "line": 6,
+ "column": 14
+ },
+ "identifierName": "b"
+ },
+ "name": "b"
+ },
+ "extra": {
+ "shorthand": true
+ }
+ }
+ ]
+ },
+ "consequent": {
+ "type": "BlockStatement",
+ "start": 64,
+ "end": 81,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 17
+ },
+ "end": {
+ "line": 9,
+ "column": 3
+ }
+ },
+ "body": [
+ {
+ "type": "ExpressionStatement",
+ "start": 70,
+ "end": 71,
+ "loc": {
+ "start": {
+ "line": 7,
+ "column": 4
+ },
+ "end": {
+ "line": 7,
+ "column": 5
+ }
+ },
+ "expression": {
+ "type": "Identifier",
+ "start": 70,
+ "end": 71,
+ "loc": {
+ "start": {
+ "line": 7,
+ "column": 4
+ },
+ "end": {
+ "line": 7,
+ "column": 5
+ },
+ "identifierName": "b"
+ },
+ "name": "b"
+ }
+ },
+ {
+ "type": "ExpressionStatement",
+ "start": 76,
+ "end": 77,
+ "loc": {
+ "start": {
+ "line": 8,
+ "column": 4
+ },
+ "end": {
+ "line": 8,
+ "column": 5
+ }
+ },
+ "expression": {
+ "type": "Identifier",
+ "start": 76,
+ "end": 77,
+ "loc": {
+ "start": {
+ "line": 8,
+ "column": 4
+ },
+ "end": {
+ "line": 8,
+ "column": 5
+ },
+ "identifierName": "b"
+ },
+ "name": "b"
+ }
+ }
+ ],
+ "directives": [],
+ "extra": {
+ "curly": true
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 84,
+ "end": 101,
+ "loc": {
+ "start": {
+ "line": 10,
+ "column": 2
+ },
+ "end": {
+ "line": 12,
+ "column": 3
+ }
+ },
+ "test": {
+ "type": "Identifier",
+ "start": 87,
+ "end": 88,
+ "loc": {
+ "start": {
+ "line": 10,
+ "column": 5
+ },
+ "end": {
+ "line": 10,
+ "column": 6
+ },
+ "identifierName": "c"
+ },
+ "name": "c",
+ "extra": {
+ "parenthesized": true,
+ "parenStart": 86
+ }
+ },
+ "consequent": {
+ "type": "BlockStatement",
+ "start": 90,
+ "end": 101,
+ "loc": {
+ "start": {
+ "line": 10,
+ "column": 8
+ },
+ "end": {
+ "line": 12,
+ "column": 3
+ }
+ },
+ "body": [
+ {
+ "type": "ExpressionStatement",
+ "start": 96,
+ "end": 97,
+ "loc": {
+ "start": {
+ "line": 11,
+ "column": 4
+ },
+ "end": {
+ "line": 11,
+ "column": 5
+ }
+ },
+ "expression": {
+ "type": "Identifier",
+ "start": 96,
+ "end": 97,
+ "loc": {
+ "start": {
+ "line": 11,
+ "column": 4
+ },
+ "end": {
+ "line": 11,
+ "column": 5
+ },
+ "identifierName": "d"
+ },
+ "name": "d"
+ }
+ }
+ ],
+ "directives": [],
+ "extra": {
+ "curly": true
+ }
+ }
+ }
+ ]
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/destructured-renaming/actual.js b/test/fixtures/lightscript/match/destructured-renaming/actual.js
new file mode 100644
index 0000000000..34f6b78509
--- /dev/null
+++ b/test/fixtures/lightscript/match/destructured-renaming/actual.js
@@ -0,0 +1,3 @@
+match x:
+ | x.a with { a, b = 1 }: a + b
+ | x.0 and x.1 with [ a, b ]: a + b
diff --git a/test/fixtures/lightscript/match/destructured-renaming/expected.json b/test/fixtures/lightscript/match/destructured-renaming/expected.json
new file mode 100644
index 0000000000..5e790e10bc
--- /dev/null
+++ b/test/fixtures/lightscript/match/destructured-renaming/expected.json
@@ -0,0 +1,613 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 78,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 36
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 78,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 36
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "MatchStatement",
+ "start": 0,
+ "end": 78,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 36
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 6,
+ "end": 7,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 6
+ },
+ "end": {
+ "line": 1,
+ "column": 7
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 11,
+ "end": 41,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 32
+ }
+ },
+ "test": {
+ "type": "MemberExpression",
+ "start": 13,
+ "end": 16,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 7
+ }
+ },
+ "object": {
+ "type": "Identifier",
+ "start": 13,
+ "end": 14,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 5
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "property": {
+ "type": "Identifier",
+ "start": 15,
+ "end": 16,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 6
+ },
+ "end": {
+ "line": 2,
+ "column": 7
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "computed": false
+ },
+ "binding": {
+ "type": "ObjectPattern",
+ "start": 22,
+ "end": 34,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 13
+ },
+ "end": {
+ "line": 2,
+ "column": 25
+ }
+ },
+ "properties": [
+ {
+ "type": "ObjectProperty",
+ "start": 24,
+ "end": 25,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 15
+ },
+ "end": {
+ "line": 2,
+ "column": 16
+ }
+ },
+ "method": false,
+ "shorthand": true,
+ "computed": false,
+ "key": {
+ "type": "Identifier",
+ "start": 24,
+ "end": 25,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 15
+ },
+ "end": {
+ "line": 2,
+ "column": 16
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "value": {
+ "type": "Identifier",
+ "start": 24,
+ "end": 25,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 15
+ },
+ "end": {
+ "line": 2,
+ "column": 16
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "extra": {
+ "shorthand": true
+ }
+ },
+ {
+ "type": "ObjectProperty",
+ "start": 27,
+ "end": 32,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 18
+ },
+ "end": {
+ "line": 2,
+ "column": 23
+ }
+ },
+ "method": false,
+ "shorthand": true,
+ "computed": false,
+ "key": {
+ "type": "Identifier",
+ "start": 27,
+ "end": 28,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 18
+ },
+ "end": {
+ "line": 2,
+ "column": 19
+ },
+ "identifierName": "b"
+ },
+ "name": "b"
+ },
+ "value": {
+ "type": "AssignmentPattern",
+ "start": 27,
+ "end": 32,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 18
+ },
+ "end": {
+ "line": 2,
+ "column": 23
+ }
+ },
+ "left": {
+ "type": "Identifier",
+ "start": 27,
+ "end": 28,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 18
+ },
+ "end": {
+ "line": 2,
+ "column": 19
+ },
+ "identifierName": "b"
+ },
+ "name": "b"
+ },
+ "right": {
+ "type": "NumericLiteral",
+ "start": 31,
+ "end": 32,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 22
+ },
+ "end": {
+ "line": 2,
+ "column": 23
+ }
+ },
+ "extra": {
+ "rawValue": 1,
+ "raw": "1"
+ },
+ "value": 1
+ }
+ },
+ "extra": {
+ "shorthand": true
+ }
+ }
+ ]
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 36,
+ "end": 41,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 27
+ },
+ "end": {
+ "line": 2,
+ "column": 32
+ }
+ },
+ "expression": {
+ "type": "BinaryExpression",
+ "start": 36,
+ "end": 41,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 27
+ },
+ "end": {
+ "line": 2,
+ "column": 32
+ }
+ },
+ "left": {
+ "type": "Identifier",
+ "start": 36,
+ "end": 37,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 27
+ },
+ "end": {
+ "line": 2,
+ "column": 28
+ },
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diff --git a/test/fixtures/lightscript/match/destructuring-arr/actual.js b/test/fixtures/lightscript/match/destructuring-arr/actual.js
new file mode 100644
index 0000000000..18fcad17f3
--- /dev/null
+++ b/test/fixtures/lightscript/match/destructuring-arr/actual.js
@@ -0,0 +1,18 @@
+match x:
+ | with [ a, b ]: a - b
+ | with [ a, b = 2 ]: a + b - 2
+ | with [ a, ...b ]: b.concat(a)
+ | with [
+ [
+ b
+ d = 'e'
+ ]
+ [ g, , h ]
+ ...j
+ ]:
+ [b, d, g, ...j].join('')
+ | foo with [ a, b ]: a - b
+ | foo with [ a, b = 2 ]: a + b - 2
+ | foo with [ a, ...b ]: b.concat(a)
+ | foo with [[b, d = 'e'], [g,,h], ...j ]:
+ [b, d, g, ...j].join('')
diff --git a/test/fixtures/lightscript/match/destructuring-arr/expected.json b/test/fixtures/lightscript/match/destructuring-arr/expected.json
new file mode 100644
index 0000000000..4e1f7c5fec
--- /dev/null
+++ b/test/fixtures/lightscript/match/destructuring-arr/expected.json
@@ -0,0 +1,1978 @@
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diff --git a/test/fixtures/lightscript/match/destructuring-obj-arr-mixed/actual.js b/test/fixtures/lightscript/match/destructuring-obj-arr-mixed/actual.js
new file mode 100644
index 0000000000..83fc1aec6e
--- /dev/null
+++ b/test/fixtures/lightscript/match/destructuring-obj-arr-mixed/actual.js
@@ -0,0 +1,15 @@
+match x:
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+ {
+ d
+ e = 1
+ ...f
+ }
+ g
+ ]
+ h = 'h'
+ ...i
+ }:
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diff --git a/test/fixtures/lightscript/match/destructuring-obj-arr-mixed/expected.json b/test/fixtures/lightscript/match/destructuring-obj-arr-mixed/expected.json
new file mode 100644
index 0000000000..8cff8e545d
--- /dev/null
+++ b/test/fixtures/lightscript/match/destructuring-obj-arr-mixed/expected.json
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\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/destructuring-obj-arr-mixed/options.json b/test/fixtures/lightscript/match/destructuring-obj-arr-mixed/options.json
new file mode 100644
index 0000000000..3ebf2619d6
--- /dev/null
+++ b/test/fixtures/lightscript/match/destructuring-obj-arr-mixed/options.json
@@ -0,0 +1,3 @@
+{
+ "plugins": ["objectRestSpread", "lightscript", "jsx", "flow"]
+}
diff --git a/test/fixtures/lightscript/match/destructuring-obj-basic/actual.js b/test/fixtures/lightscript/match/destructuring-obj-basic/actual.js
new file mode 100644
index 0000000000..c6b4045abc
--- /dev/null
+++ b/test/fixtures/lightscript/match/destructuring-obj-basic/actual.js
@@ -0,0 +1,2 @@
+match x:
+ | with { a, b }: a - b
diff --git a/test/fixtures/lightscript/match/destructuring-obj-basic/expected.json b/test/fixtures/lightscript/match/destructuring-obj-basic/expected.json
new file mode 100644
index 0000000000..f9dac0c614
--- /dev/null
+++ b/test/fixtures/lightscript/match/destructuring-obj-basic/expected.json
@@ -0,0 +1,275 @@
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+ "loc": {
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\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/destructuring-obj-default/actual.js b/test/fixtures/lightscript/match/destructuring-obj-default/actual.js
new file mode 100644
index 0000000000..e616f09a14
--- /dev/null
+++ b/test/fixtures/lightscript/match/destructuring-obj-default/actual.js
@@ -0,0 +1,2 @@
+match x:
+ | with { a, b = 1 }: a - b
diff --git a/test/fixtures/lightscript/match/destructuring-obj-default/expected.json b/test/fixtures/lightscript/match/destructuring-obj-default/expected.json
new file mode 100644
index 0000000000..e4cc9026a8
--- /dev/null
+++ b/test/fixtures/lightscript/match/destructuring-obj-default/expected.json
@@ -0,0 +1,310 @@
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diff --git a/test/fixtures/lightscript/match/destructuring-obj/actual.js b/test/fixtures/lightscript/match/destructuring-obj/actual.js
new file mode 100644
index 0000000000..c629316e56
--- /dev/null
+++ b/test/fixtures/lightscript/match/destructuring-obj/actual.js
@@ -0,0 +1,17 @@
+match x:
+ | with { a, b }: a - b
+ | with { a, b = 2 }: a + b - 2
+ | with { a, ...c }: [a, b, c].join('')
+ | with {
+ a: {
+ b
+ d = 'e'
+ }
+ f: { ...g }
+ }:
+ [b, d, g].join('')
+ | foo with { a, b }: a + b
+ | foo with { a, b = 2 }: a + b - 2
+ | foo with { a, ...c }: [a, b, c].join('')
+ | foo with {a:{b,d = 'e'},f:{ ...g }}:
+ [b, d, g].join('')
diff --git a/test/fixtures/lightscript/match/destructuring-obj/expected.json b/test/fixtures/lightscript/match/destructuring-obj/expected.json
new file mode 100644
index 0000000000..021ab4f148
--- /dev/null
+++ b/test/fixtures/lightscript/match/destructuring-obj/expected.json
@@ -0,0 +1,2624 @@
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+ "line": 1,
+ "column": 7
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+ "identifierName": "x"
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+ "name": "x"
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+ "column": 15
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "value": {
+ "type": "ObjectPattern",
+ "start": 327,
+ "end": 338,
+ "loc": {
+ "start": {
+ "line": 16,
+ "column": 16
+ },
+ "end": {
+ "line": 16,
+ "column": 27
+ }
+ },
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+ {
+ "type": "ObjectProperty",
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+ "end": 329,
+ "loc": {
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+ "column": 17
+ },
+ "end": {
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+ "column": 18
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+ "shorthand": true,
+ "computed": false,
+ "key": {
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+ "end": 329,
+ "loc": {
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+ "line": 16,
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+ "end": {
+ "line": 16,
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+ "identifierName": "b"
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+ "name": "b"
+ },
+ "value": {
+ "type": "Identifier",
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+ "end": 329,
+ "loc": {
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+ "end": {
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+ "name": "b"
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+ "shorthand": true
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+ }
+ },
+ "method": false,
+ "shorthand": true,
+ "computed": false,
+ "key": {
+ "type": "Identifier",
+ "start": 330,
+ "end": 331,
+ "loc": {
+ "start": {
+ "line": 16,
+ "column": 19
+ },
+ "end": {
+ "line": 16,
+ "column": 20
+ },
+ "identifierName": "d"
+ },
+ "name": "d"
+ },
+ "value": {
+ "type": "AssignmentPattern",
+ "start": 330,
+ "end": 337,
+ "loc": {
+ "start": {
+ "line": 16,
+ "column": 19
+ },
+ "end": {
+ "line": 16,
+ "column": 26
+ }
+ },
+ "left": {
+ "type": "Identifier",
+ "start": 330,
+ "end": 331,
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+ "end": {
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+ "column": 20
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+ "identifierName": "d"
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+ "name": "d"
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+ "right": {
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+ "end": 337,
+ "loc": {
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+ "column": 23
+ },
+ "end": {
+ "line": 16,
+ "column": 26
+ }
+ },
+ "extra": {
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+ "raw": "'e'"
+ },
+ "value": "e"
+ }
+ },
+ "extra": {
+ "shorthand": true
+ }
+ }
+ ]
+ }
+ },
+ {
+ "type": "ObjectProperty",
+ "start": 339,
+ "end": 349,
+ "loc": {
+ "start": {
+ "line": 16,
+ "column": 28
+ },
+ "end": {
+ "line": 16,
+ "column": 38
+ }
+ },
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+ "shorthand": false,
+ "computed": false,
+ "key": {
+ "type": "Identifier",
+ "start": 339,
+ "end": 340,
+ "loc": {
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+ "line": 16,
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+ },
+ "end": {
+ "line": 16,
+ "column": 29
+ },
+ "identifierName": "f"
+ },
+ "name": "f"
+ },
+ "value": {
+ "type": "ObjectPattern",
+ "start": 341,
+ "end": 349,
+ "loc": {
+ "start": {
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+ "column": 30
+ },
+ "end": {
+ "line": 16,
+ "column": 38
+ }
+ },
+ "properties": [
+ {
+ "type": "RestProperty",
+ "start": 343,
+ "end": 347,
+ "loc": {
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+ "column": 32
+ },
+ "end": {
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+ "column": 36
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+ "argument": {
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+ "end": 347,
+ "loc": {
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+ "column": 35
+ },
+ "end": {
+ "line": 16,
+ "column": 36
+ },
+ "identifierName": "g"
+ },
+ "name": "g"
+ }
+ }
+ ]
+ }
+ }
+ ]
+ },
+ "consequent": {
+ "type": "BlockStatement",
+ "start": 350,
+ "end": 374,
+ "loc": {
+ "start": {
+ "line": 16,
+ "column": 39
+ },
+ "end": {
+ "line": 17,
+ "column": 22
+ }
+ },
+ "body": [
+ {
+ "type": "ExpressionStatement",
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+ "end": 374,
+ "loc": {
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+ "line": 17,
+ "column": 4
+ },
+ "end": {
+ "line": 17,
+ "column": 22
+ }
+ },
+ "expression": {
+ "type": "CallExpression",
+ "start": 356,
+ "end": 374,
+ "loc": {
+ "start": {
+ "line": 17,
+ "column": 4
+ },
+ "end": {
+ "line": 17,
+ "column": 22
+ }
+ },
+ "callee": {
+ "type": "MemberExpression",
+ "start": 356,
+ "end": 370,
+ "loc": {
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+ "column": 4
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+ "column": 18
+ }
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+ "object": {
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+ "end": 365,
+ "loc": {
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+ "line": 17,
+ "column": 4
+ },
+ "end": {
+ "line": 17,
+ "column": 13
+ }
+ },
+ "elements": [
+ {
+ "type": "Identifier",
+ "start": 357,
+ "end": 358,
+ "loc": {
+ "start": {
+ "line": 17,
+ "column": 5
+ },
+ "end": {
+ "line": 17,
+ "column": 6
+ },
+ "identifierName": "b"
+ },
+ "name": "b"
+ },
+ {
+ "type": "Identifier",
+ "start": 360,
+ "end": 361,
+ "loc": {
+ "start": {
+ "line": 17,
+ "column": 8
+ },
+ "end": {
+ "line": 17,
+ "column": 9
+ },
+ "identifierName": "d"
+ },
+ "name": "d"
+ },
+ {
+ "type": "Identifier",
+ "start": 363,
+ "end": 364,
+ "loc": {
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+ "line": 17,
+ "column": 11
+ },
+ "end": {
+ "line": 17,
+ "column": 12
+ },
+ "identifierName": "g"
+ },
+ "name": "g"
+ }
+ ]
+ },
+ "property": {
+ "type": "Identifier",
+ "start": 366,
+ "end": 370,
+ "loc": {
+ "start": {
+ "line": 17,
+ "column": 14
+ },
+ "end": {
+ "line": 17,
+ "column": 18
+ },
+ "identifierName": "join"
+ },
+ "name": "join"
+ },
+ "computed": false
+ },
+ "arguments": [
+ {
+ "type": "StringLiteral",
+ "start": 371,
+ "end": 373,
+ "loc": {
+ "start": {
+ "line": 17,
+ "column": 19
+ },
+ "end": {
+ "line": 17,
+ "column": 21
+ }
+ },
+ "extra": {
+ "rawValue": "",
+ "raw": "''"
+ },
+ "value": ""
+ }
+ ]
+ }
+ }
+ ],
+ "directives": [],
+ "extra": {
+ "curly": false
+ }
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/destructuring-obj/options.json b/test/fixtures/lightscript/match/destructuring-obj/options.json
new file mode 100644
index 0000000000..3ebf2619d6
--- /dev/null
+++ b/test/fixtures/lightscript/match/destructuring-obj/options.json
@@ -0,0 +1,3 @@
+{
+ "plugins": ["objectRestSpread", "lightscript", "jsx", "flow"]
+}
diff --git a/test/fixtures/lightscript/match/discriminant-expression-as/actual.js b/test/fixtures/lightscript/match/discriminant-expression-as/actual.js
new file mode 100644
index 0000000000..ee19855cfa
--- /dev/null
+++ b/test/fixtures/lightscript/match/discriminant-expression-as/actual.js
@@ -0,0 +1,3 @@
+a = match (1, 2) + 3, a = 4 as foo:
+ | 2: "eq two"
+ | else: "some other thing"
diff --git a/test/fixtures/lightscript/match/discriminant-expression-as/expected.json b/test/fixtures/lightscript/match/discriminant-expression-as/expected.json
new file mode 100644
index 0000000000..9f80fef74c
--- /dev/null
+++ b/test/fixtures/lightscript/match/discriminant-expression-as/expected.json
@@ -0,0 +1,424 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 80,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 80,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "VariableDeclaration",
+ "start": 0,
+ "end": 80,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "kind": "const",
+ "extra": {
+ "implicit": true
+ },
+ "declarations": [
+ {
+ "type": "VariableDeclarator",
+ "start": 0,
+ "end": 80,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "id": {
+ "type": "Identifier",
+ "start": 0,
+ "end": 1,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 1,
+ "column": 1
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "init": {
+ "type": "MatchExpression",
+ "start": 4,
+ "end": 80,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
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+ "end": 27,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 10
+ },
+ "end": {
+ "line": 1,
+ "column": 27
+ }
+ },
+ "expressions": [
+ {
+ "type": "BinaryExpression",
+ "start": 10,
+ "end": 20,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 10
+ },
+ "end": {
+ "line": 1,
+ "column": 20
+ }
+ },
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+ "end": 15,
+ "loc": {
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+ "column": 11
+ },
+ "end": {
+ "line": 1,
+ "column": 15
+ }
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+ "end": 12,
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+ "column": 12
+ }
+ },
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+ "raw": "1"
+ },
+ "value": 1
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+ {
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+ "end": 15,
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+ "line": 1,
+ "column": 15
+ }
+ },
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+ "raw": "2"
+ },
+ "value": 2
+ }
+ ],
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+ "parenthesized": true,
+ "parenStart": 10
+ }
+ },
+ "operator": "+",
+ "right": {
+ "type": "NumericLiteral",
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+ "end": 20,
+ "loc": {
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+ "column": 19
+ },
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+ "column": 20
+ }
+ },
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+ "raw": "3"
+ },
+ "value": 3
+ }
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+ {
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+ "end": 27,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 22
+ },
+ "end": {
+ "line": 1,
+ "column": 27
+ }
+ },
+ "operator": "=",
+ "left": {
+ "type": "Identifier",
+ "start": 22,
+ "end": 23,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 22
+ },
+ "end": {
+ "line": 1,
+ "column": 23
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "right": {
+ "type": "NumericLiteral",
+ "start": 26,
+ "end": 27,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 26
+ },
+ "end": {
+ "line": 1,
+ "column": 27
+ }
+ },
+ "extra": {
+ "rawValue": 4,
+ "raw": "4"
+ },
+ "value": 4
+ },
+ "isNowAssign": false
+ }
+ ]
+ },
+ "alias": {
+ "type": "Identifier",
+ "start": 31,
+ "end": 34,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 31
+ },
+ "end": {
+ "line": 1,
+ "column": 34
+ },
+ "identifierName": "foo"
+ },
+ "name": "foo"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 38,
+ "end": 51,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 15
+ }
+ },
+ "test": {
+ "type": "NumericLiteral",
+ "start": 40,
+ "end": 41,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 5
+ }
+ },
+ "extra": {
+ "rawValue": 2,
+ "raw": "2"
+ },
+ "value": 2
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 43,
+ "end": 51,
+ "loc": {
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+ "column": 7
+ },
+ "end": {
+ "line": 2,
+ "column": 15
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
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+ "end": 51,
+ "loc": {
+ "start": {
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+ "column": 7
+ },
+ "end": {
+ "line": 2,
+ "column": 15
+ }
+ },
+ "extra": {
+ "rawValue": "eq two",
+ "raw": "\"eq two\""
+ },
+ "value": "eq two"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
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+ "end": 80,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 2
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "test": {
+ "type": "MatchElse",
+ "start": 56,
+ "end": 60,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 8
+ }
+ }
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 62,
+ "end": 80,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 10
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 62,
+ "end": 80,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 10
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "extra": {
+ "rawValue": "some other thing",
+ "raw": "\"some other thing\""
+ },
+ "value": "some other thing"
+ }
+ }
+ }
+ ]
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/discriminant-expression/actual.js b/test/fixtures/lightscript/match/discriminant-expression/actual.js
new file mode 100644
index 0000000000..c8f1e5a4bf
--- /dev/null
+++ b/test/fixtures/lightscript/match/discriminant-expression/actual.js
@@ -0,0 +1,3 @@
+a = match (1, 2) + 3, a = 4:
+ | 2: "eq two"
+ | else: "some other thing"
diff --git a/test/fixtures/lightscript/match/discriminant-expression/expected.json b/test/fixtures/lightscript/match/discriminant-expression/expected.json
new file mode 100644
index 0000000000..30821824cf
--- /dev/null
+++ b/test/fixtures/lightscript/match/discriminant-expression/expected.json
@@ -0,0 +1,407 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 73,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 73,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "VariableDeclaration",
+ "start": 0,
+ "end": 73,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "kind": "const",
+ "extra": {
+ "implicit": true
+ },
+ "declarations": [
+ {
+ "type": "VariableDeclarator",
+ "start": 0,
+ "end": 73,
+ "loc": {
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+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "id": {
+ "type": "Identifier",
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+ "end": 1,
+ "loc": {
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+ },
+ "end": {
+ "line": 1,
+ "column": 1
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "init": {
+ "type": "MatchExpression",
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+ "end": 73,
+ "loc": {
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+ "column": 4
+ },
+ "end": {
+ "line": 3,
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+ }
+ },
+ "discriminant": {
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+ "end": 27,
+ "loc": {
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+ "line": 1,
+ "column": 10
+ },
+ "end": {
+ "line": 1,
+ "column": 27
+ }
+ },
+ "expressions": [
+ {
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+ "end": 20,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 10
+ },
+ "end": {
+ "line": 1,
+ "column": 20
+ }
+ },
+ "left": {
+ "type": "SequenceExpression",
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+ "end": 15,
+ "loc": {
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+ "column": 11
+ },
+ "end": {
+ "line": 1,
+ "column": 15
+ }
+ },
+ "expressions": [
+ {
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+ "end": 12,
+ "loc": {
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+ "column": 12
+ }
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+ "raw": "1"
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+ "end": 15,
+ "loc": {
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+ "column": 14
+ },
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+ "line": 1,
+ "column": 15
+ }
+ },
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+ "raw": "2"
+ },
+ "value": 2
+ }
+ ],
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+ "parenStart": 10
+ }
+ },
+ "operator": "+",
+ "right": {
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+ "end": 20,
+ "loc": {
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+ "line": 1,
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+ },
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+ "column": 20
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+ "raw": "3"
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+ "value": 3
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+ "end": 27,
+ "loc": {
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+ }
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+ "operator": "=",
+ "left": {
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+ "end": 23,
+ "loc": {
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+ "line": 1,
+ "column": 22
+ },
+ "end": {
+ "line": 1,
+ "column": 23
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "right": {
+ "type": "NumericLiteral",
+ "start": 26,
+ "end": 27,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 26
+ },
+ "end": {
+ "line": 1,
+ "column": 27
+ }
+ },
+ "extra": {
+ "rawValue": 4,
+ "raw": "4"
+ },
+ "value": 4
+ },
+ "isNowAssign": false
+ }
+ ]
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 31,
+ "end": 44,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 15
+ }
+ },
+ "test": {
+ "type": "NumericLiteral",
+ "start": 33,
+ "end": 34,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 5
+ }
+ },
+ "extra": {
+ "rawValue": 2,
+ "raw": "2"
+ },
+ "value": 2
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 36,
+ "end": 44,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 7
+ },
+ "end": {
+ "line": 2,
+ "column": 15
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 36,
+ "end": 44,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 7
+ },
+ "end": {
+ "line": 2,
+ "column": 15
+ }
+ },
+ "extra": {
+ "rawValue": "eq two",
+ "raw": "\"eq two\""
+ },
+ "value": "eq two"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 47,
+ "end": 73,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 2
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "test": {
+ "type": "MatchElse",
+ "start": 49,
+ "end": 53,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 8
+ }
+ }
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 55,
+ "end": 73,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 10
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 55,
+ "end": 73,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 10
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "extra": {
+ "rawValue": "some other thing",
+ "raw": "\"some other thing\""
+ },
+ "value": "some other thing"
+ }
+ }
+ }
+ ]
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/else-before-case-illegal/actual.js b/test/fixtures/lightscript/match/else-before-case-illegal/actual.js
new file mode 100644
index 0000000000..43a2e7dad9
--- /dev/null
+++ b/test/fixtures/lightscript/match/else-before-case-illegal/actual.js
@@ -0,0 +1,3 @@
+match x:
+ | else: "some other thing"
+ | a: b
diff --git a/test/fixtures/lightscript/match/else-before-case-illegal/options.json b/test/fixtures/lightscript/match/else-before-case-illegal/options.json
new file mode 100644
index 0000000000..ddcb18af96
--- /dev/null
+++ b/test/fixtures/lightscript/match/else-before-case-illegal/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "`else` must be last case. (3:2)"
+}
diff --git a/test/fixtures/lightscript/match/else-solo/actual.js b/test/fixtures/lightscript/match/else-solo/actual.js
new file mode 100644
index 0000000000..600d6e2496
--- /dev/null
+++ b/test/fixtures/lightscript/match/else-solo/actual.js
@@ -0,0 +1,2 @@
+match x:
+ | else: "some other thing"
diff --git a/test/fixtures/lightscript/match/else-solo/expected.json b/test/fixtures/lightscript/match/else-solo/expected.json
new file mode 100644
index 0000000000..486d864b11
--- /dev/null
+++ b/test/fixtures/lightscript/match/else-solo/expected.json
@@ -0,0 +1,133 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 37,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 28
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 37,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 28
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "MatchStatement",
+ "start": 0,
+ "end": 37,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 28
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 6,
+ "end": 7,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 6
+ },
+ "end": {
+ "line": 1,
+ "column": 7
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 11,
+ "end": 37,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 28
+ }
+ },
+ "test": {
+ "type": "MatchElse",
+ "start": 13,
+ "end": 17,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 8
+ }
+ }
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 19,
+ "end": 37,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 10
+ },
+ "end": {
+ "line": 2,
+ "column": 28
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 19,
+ "end": 37,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 10
+ },
+ "end": {
+ "line": 2,
+ "column": 28
+ }
+ },
+ "extra": {
+ "rawValue": "some other thing",
+ "raw": "\"some other thing\""
+ },
+ "value": "some other thing"
+ }
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/else/actual.js b/test/fixtures/lightscript/match/else/actual.js
new file mode 100644
index 0000000000..321d37ebcb
--- /dev/null
+++ b/test/fixtures/lightscript/match/else/actual.js
@@ -0,0 +1,3 @@
+match x:
+ | a: b
+ | else: c
diff --git a/test/fixtures/lightscript/match/else/expected.json b/test/fixtures/lightscript/match/else/expected.json
new file mode 100644
index 0000000000..2afdb8cf87
--- /dev/null
+++ b/test/fixtures/lightscript/match/else/expected.json
@@ -0,0 +1,194 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 29,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 11
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 29,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 11
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "MatchStatement",
+ "start": 0,
+ "end": 29,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 11
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 6,
+ "end": 7,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 6
+ },
+ "end": {
+ "line": 1,
+ "column": 7
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 11,
+ "end": 17,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 8
+ }
+ },
+ "test": {
+ "type": "Identifier",
+ "start": 13,
+ "end": 14,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 5
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 16,
+ "end": 17,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 7
+ },
+ "end": {
+ "line": 2,
+ "column": 8
+ }
+ },
+ "expression": {
+ "type": "Identifier",
+ "start": 16,
+ "end": 17,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 7
+ },
+ "end": {
+ "line": 2,
+ "column": 8
+ },
+ "identifierName": "b"
+ },
+ "name": "b"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 20,
+ "end": 29,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 2
+ },
+ "end": {
+ "line": 3,
+ "column": 11
+ }
+ },
+ "test": {
+ "type": "MatchElse",
+ "start": 22,
+ "end": 26,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 8
+ }
+ }
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 28,
+ "end": 29,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 10
+ },
+ "end": {
+ "line": 3,
+ "column": 11
+ }
+ },
+ "expression": {
+ "type": "Identifier",
+ "start": 28,
+ "end": 29,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 10
+ },
+ "end": {
+ "line": 3,
+ "column": 11
+ },
+ "identifierName": "c"
+ },
+ "name": "c"
+ }
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/expression-break-illegal/actual.js b/test/fixtures/lightscript/match/expression-break-illegal/actual.js
new file mode 100644
index 0000000000..1b7891b8da
--- /dev/null
+++ b/test/fixtures/lightscript/match/expression-break-illegal/actual.js
@@ -0,0 +1,3 @@
+while false:
+ x = match y:
+ | 1: break
diff --git a/test/fixtures/lightscript/match/expression-break-illegal/options.json b/test/fixtures/lightscript/match/expression-break-illegal/options.json
new file mode 100644
index 0000000000..12bf86d926
--- /dev/null
+++ b/test/fixtures/lightscript/match/expression-break-illegal/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Unsyntactic break (3:9)"
+}
diff --git a/test/fixtures/lightscript/match/expression-return-illegal/actual.js b/test/fixtures/lightscript/match/expression-return-illegal/actual.js
new file mode 100644
index 0000000000..bbfcefa258
--- /dev/null
+++ b/test/fixtures/lightscript/match/expression-return-illegal/actual.js
@@ -0,0 +1,5 @@
+f() ->
+ x = match y:
+ | 1:
+ a
+ return
diff --git a/test/fixtures/lightscript/match/expression-return-illegal/options.json b/test/fixtures/lightscript/match/expression-return-illegal/options.json
new file mode 100644
index 0000000000..917b526256
--- /dev/null
+++ b/test/fixtures/lightscript/match/expression-return-illegal/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "'return' outside of function (5:6)"
+}
diff --git a/test/fixtures/lightscript/match/illegal-arrow-fn/actual.js b/test/fixtures/lightscript/match/illegal-arrow-fn/actual.js
new file mode 100644
index 0000000000..72885b53a2
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-arrow-fn/actual.js
@@ -0,0 +1,2 @@
+match x:
+ | true and -> 1: "not allowed"
diff --git a/test/fixtures/lightscript/match/illegal-arrow-fn/options.json b/test/fixtures/lightscript/match/illegal-arrow-fn/options.json
new file mode 100644
index 0000000000..84c1ac1adf
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-arrow-fn/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Cannot match on functions. (2:13)"
+}
diff --git a/test/fixtures/lightscript/match/illegal-assignment-expression/actual.js b/test/fixtures/lightscript/match/illegal-assignment-expression/actual.js
new file mode 100644
index 0000000000..761e3814fa
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-assignment-expression/actual.js
@@ -0,0 +1,3 @@
+var a
+match x:
+ | true and a = 1: "not allowed"
diff --git a/test/fixtures/lightscript/match/illegal-assignment-expression/options.json b/test/fixtures/lightscript/match/illegal-assignment-expression/options.json
new file mode 100644
index 0000000000..412c2d36a1
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-assignment-expression/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Unexpected token, expected { (3:15)"
+}
diff --git a/test/fixtures/lightscript/match/illegal-destructure-and-with/actual.js b/test/fixtures/lightscript/match/illegal-destructure-and-with/actual.js
new file mode 100644
index 0000000000..5a536fa493
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-destructure-and-with/actual.js
@@ -0,0 +1,4 @@
+match x:
+ // error must be thrown at the compiler level
+ // TODO: consider using lodash `isMatch` for this.
+ | { a } with { a }: "not allowed"
diff --git a/test/fixtures/lightscript/match/illegal-destructure-and-with/expected.json b/test/fixtures/lightscript/match/illegal-destructure-and-with/expected.json
new file mode 100644
index 0000000000..1de5fe5b6a
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-destructure-and-with/expected.json
@@ -0,0 +1,333 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 145,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 4,
+ "column": 35
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 145,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 4,
+ "column": 35
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "MatchStatement",
+ "start": 0,
+ "end": 145,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 4,
+ "column": 35
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 6,
+ "end": 7,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 6
+ },
+ "end": {
+ "line": 1,
+ "column": 7
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 112,
+ "end": 145,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 2
+ },
+ "end": {
+ "line": 4,
+ "column": 35
+ }
+ },
+ "test": {
+ "type": "ObjectExpression",
+ "start": 114,
+ "end": 119,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 4
+ },
+ "end": {
+ "line": 4,
+ "column": 9
+ }
+ },
+ "properties": [
+ {
+ "type": "ObjectProperty",
+ "start": 116,
+ "end": 117,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 6
+ },
+ "end": {
+ "line": 4,
+ "column": 7
+ }
+ },
+ "method": false,
+ "shorthand": true,
+ "computed": false,
+ "key": {
+ "type": "Identifier",
+ "start": 116,
+ "end": 117,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 6
+ },
+ "end": {
+ "line": 4,
+ "column": 7
+ },
+ "identifierName": "a"
+ },
+ "name": "a",
+ "leadingComments": null
+ },
+ "value": {
+ "type": "Identifier",
+ "start": 116,
+ "end": 117,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 6
+ },
+ "end": {
+ "line": 4,
+ "column": 7
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "leadingComments": null,
+ "extra": {
+ "shorthand": true
+ }
+ }
+ ],
+ "leadingComments": null
+ },
+ "binding": {
+ "type": "ObjectPattern",
+ "start": 125,
+ "end": 130,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 15
+ },
+ "end": {
+ "line": 4,
+ "column": 20
+ }
+ },
+ "properties": [
+ {
+ "type": "ObjectProperty",
+ "start": 127,
+ "end": 128,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 17
+ },
+ "end": {
+ "line": 4,
+ "column": 18
+ }
+ },
+ "method": false,
+ "shorthand": true,
+ "computed": false,
+ "key": {
+ "type": "Identifier",
+ "start": 127,
+ "end": 128,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 17
+ },
+ "end": {
+ "line": 4,
+ "column": 18
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "value": {
+ "type": "Identifier",
+ "start": 127,
+ "end": 128,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 17
+ },
+ "end": {
+ "line": 4,
+ "column": 18
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "extra": {
+ "shorthand": true
+ }
+ }
+ ]
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 132,
+ "end": 145,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 22
+ },
+ "end": {
+ "line": 4,
+ "column": 35
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 132,
+ "end": 145,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 22
+ },
+ "end": {
+ "line": 4,
+ "column": 35
+ }
+ },
+ "extra": {
+ "rawValue": "not allowed",
+ "raw": "\"not allowed\""
+ },
+ "value": "not allowed"
+ }
+ },
+ "leadingComments": [
+ {
+ "type": "CommentLine",
+ "value": " error must be thrown at the compiler level",
+ "start": 11,
+ "end": 56,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 47
+ }
+ }
+ },
+ {
+ "type": "CommentLine",
+ "value": " TODO: consider using lodash `isMatch` for this.",
+ "start": 59,
+ "end": 109,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 2
+ },
+ "end": {
+ "line": 3,
+ "column": 52
+ }
+ }
+ }
+ ]
+ }
+ ]
+ }
+ ],
+ "directives": []
+ },
+ "comments": [
+ {
+ "type": "CommentLine",
+ "value": " error must be thrown at the compiler level",
+ "start": 11,
+ "end": 56,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 47
+ }
+ }
+ },
+ {
+ "type": "CommentLine",
+ "value": " TODO: consider using lodash `isMatch` for this.",
+ "start": 59,
+ "end": 109,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 2
+ },
+ "end": {
+ "line": 3,
+ "column": 52
+ }
+ }
+ }
+ ]
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/illegal-fn-expression/actual.js b/test/fixtures/lightscript/match/illegal-fn-expression/actual.js
new file mode 100644
index 0000000000..e16c0c943c
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-fn-expression/actual.js
@@ -0,0 +1,2 @@
+match x:
+ | true and function(){}: "not allowed"
diff --git a/test/fixtures/lightscript/match/illegal-fn-expression/options.json b/test/fixtures/lightscript/match/illegal-fn-expression/options.json
new file mode 100644
index 0000000000..84c1ac1adf
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-fn-expression/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Cannot match on functions. (2:13)"
+}
diff --git a/test/fixtures/lightscript/match/illegal-nested-match-in-test/actual.js b/test/fixtures/lightscript/match/illegal-nested-match-in-test/actual.js
new file mode 100644
index 0000000000..a731d498b4
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-nested-match-in-test/actual.js
@@ -0,0 +1,2 @@
+match x:
+ | true and match y {}: "not allowed"
diff --git a/test/fixtures/lightscript/match/illegal-nested-match-in-test/options.json b/test/fixtures/lightscript/match/illegal-nested-match-in-test/options.json
new file mode 100644
index 0000000000..f45f06d72e
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-nested-match-in-test/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Unexpected token (2:13)"
+}
diff --git a/test/fixtures/lightscript/match/illegal-no-cases/actual.js b/test/fixtures/lightscript/match/illegal-no-cases/actual.js
new file mode 100644
index 0000000000..ef24b83b9d
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-no-cases/actual.js
@@ -0,0 +1 @@
+match x:
diff --git a/test/fixtures/lightscript/match/illegal-no-cases/options.json b/test/fixtures/lightscript/match/illegal-no-cases/options.json
new file mode 100644
index 0000000000..fbe5418297
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-no-cases/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Unexpected token, expected | (1:8)"
+}
diff --git a/test/fixtures/lightscript/match/illegal-not-call/actual.js b/test/fixtures/lightscript/match/illegal-not-call/actual.js
new file mode 100644
index 0000000000..a9407abf3c
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-not-call/actual.js
@@ -0,0 +1,2 @@
+match x:
+ | f(!): false
diff --git a/test/fixtures/lightscript/match/illegal-not-call/options.json b/test/fixtures/lightscript/match/illegal-not-call/options.json
new file mode 100644
index 0000000000..4e84114247
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-not-call/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Unexpected token (2:7)"
+}
diff --git a/test/fixtures/lightscript/match/illegal-sequence-expression/actual.js b/test/fixtures/lightscript/match/illegal-sequence-expression/actual.js
new file mode 100644
index 0000000000..f720876559
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-sequence-expression/actual.js
@@ -0,0 +1,2 @@
+match x:
+ | true and 1, 1: "not allowed"
diff --git a/test/fixtures/lightscript/match/illegal-sequence-expression/options.json b/test/fixtures/lightscript/match/illegal-sequence-expression/options.json
new file mode 100644
index 0000000000..0751a21aef
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-sequence-expression/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Unexpected token, expected { (2:14)"
+}
diff --git a/test/fixtures/lightscript/match/illegal-ternary/actual.js b/test/fixtures/lightscript/match/illegal-ternary/actual.js
new file mode 100644
index 0000000000..49cf11604e
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-ternary/actual.js
@@ -0,0 +1,2 @@
+match x:
+ | true and true ? 1 : 0: "not allowed"
diff --git a/test/fixtures/lightscript/match/illegal-ternary/options.json b/test/fixtures/lightscript/match/illegal-ternary/options.json
new file mode 100644
index 0000000000..72ffe6cb7d
--- /dev/null
+++ b/test/fixtures/lightscript/match/illegal-ternary/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Unexpected token, expected { (2:18)"
+}
diff --git a/test/fixtures/lightscript/match/in-assignment/actual.js b/test/fixtures/lightscript/match/in-assignment/actual.js
new file mode 100644
index 0000000000..aa9ea91eea
--- /dev/null
+++ b/test/fixtures/lightscript/match/in-assignment/actual.js
@@ -0,0 +1,3 @@
+a = match x:
+ | 2: "eq two"
+ | else: "some other thing"
diff --git a/test/fixtures/lightscript/match/in-assignment/expected.json b/test/fixtures/lightscript/match/in-assignment/expected.json
new file mode 100644
index 0000000000..0150cc4179
--- /dev/null
+++ b/test/fixtures/lightscript/match/in-assignment/expected.json
@@ -0,0 +1,256 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 57,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 57,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "VariableDeclaration",
+ "start": 0,
+ "end": 57,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "kind": "const",
+ "extra": {
+ "implicit": true
+ },
+ "declarations": [
+ {
+ "type": "VariableDeclarator",
+ "start": 0,
+ "end": 57,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "id": {
+ "type": "Identifier",
+ "start": 0,
+ "end": 1,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 1,
+ "column": 1
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "init": {
+ "type": "MatchExpression",
+ "start": 4,
+ "end": 57,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 10,
+ "end": 11,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 10
+ },
+ "end": {
+ "line": 1,
+ "column": 11
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 15,
+ "end": 28,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 15
+ }
+ },
+ "test": {
+ "type": "NumericLiteral",
+ "start": 17,
+ "end": 18,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 5
+ }
+ },
+ "extra": {
+ "rawValue": 2,
+ "raw": "2"
+ },
+ "value": 2
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 20,
+ "end": 28,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 7
+ },
+ "end": {
+ "line": 2,
+ "column": 15
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 20,
+ "end": 28,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 7
+ },
+ "end": {
+ "line": 2,
+ "column": 15
+ }
+ },
+ "extra": {
+ "rawValue": "eq two",
+ "raw": "\"eq two\""
+ },
+ "value": "eq two"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 31,
+ "end": 57,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 2
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "test": {
+ "type": "MatchElse",
+ "start": 33,
+ "end": 37,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 8
+ }
+ }
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 39,
+ "end": 57,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 10
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 39,
+ "end": 57,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 10
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "extra": {
+ "rawValue": "some other thing",
+ "raw": "\"some other thing\""
+ },
+ "value": "some other thing"
+ }
+ }
+ }
+ ]
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/jsx-result/actual.js b/test/fixtures/lightscript/match/jsx-result/actual.js
new file mode 100644
index 0000000000..96ff088f19
--- /dev/null
+++ b/test/fixtures/lightscript/match/jsx-result/actual.js
@@ -0,0 +1,2 @@
+match x:
+ | y:
diff --git a/test/fixtures/lightscript/match/jsx-result/expected.json b/test/fixtures/lightscript/match/jsx-result/expected.json
new file mode 100644
index 0000000000..f0e7cd06a5
--- /dev/null
+++ b/test/fixtures/lightscript/match/jsx-result/expected.json
@@ -0,0 +1,165 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 23,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 14
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 23,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 14
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "MatchStatement",
+ "start": 0,
+ "end": 23,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 14
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 6,
+ "end": 7,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 6
+ },
+ "end": {
+ "line": 1,
+ "column": 7
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 11,
+ "end": 23,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 14
+ }
+ },
+ "test": {
+ "type": "Identifier",
+ "start": 13,
+ "end": 14,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 5
+ },
+ "identifierName": "y"
+ },
+ "name": "y"
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 16,
+ "end": 23,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 7
+ },
+ "end": {
+ "line": 2,
+ "column": 14
+ }
+ },
+ "expression": {
+ "type": "JSXElement",
+ "start": 16,
+ "end": 23,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 7
+ },
+ "end": {
+ "line": 2,
+ "column": 14
+ }
+ },
+ "openingElement": {
+ "type": "JSXOpeningElement",
+ "start": 16,
+ "end": 23,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 7
+ },
+ "end": {
+ "line": 2,
+ "column": 14
+ }
+ },
+ "attributes": [],
+ "name": {
+ "type": "JSXIdentifier",
+ "start": 17,
+ "end": 20,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 8
+ },
+ "end": {
+ "line": 2,
+ "column": 11
+ }
+ },
+ "name": "div"
+ },
+ "selfClosing": true
+ },
+ "closingElement": null,
+ "children": []
+ }
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/jsx-test-illegal/actual.js b/test/fixtures/lightscript/match/jsx-test-illegal/actual.js
new file mode 100644
index 0000000000..e7b9d76c6a
--- /dev/null
+++ b/test/fixtures/lightscript/match/jsx-test-illegal/actual.js
@@ -0,0 +1,2 @@
+match x:
+ | : "does this make sense?"
diff --git a/test/fixtures/lightscript/match/jsx-test-illegal/options.json b/test/fixtures/lightscript/match/jsx-test-illegal/options.json
new file mode 100644
index 0000000000..b2f4797ad8
--- /dev/null
+++ b/test/fixtures/lightscript/match/jsx-test-illegal/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Unexpected token (2:4)"
+}
diff --git a/test/fixtures/lightscript/match/literals/actual.js b/test/fixtures/lightscript/match/literals/actual.js
new file mode 100644
index 0000000000..dd7f054602
--- /dev/null
+++ b/test/fixtures/lightscript/match/literals/actual.js
@@ -0,0 +1,11 @@
+match x:
+ | 2: "two"
+ | "hello": "hi"
+ | /\w+/: "word"
+ | /\w+/ig: "word"
+ | +1: "equal to positive one"
+ | -1: "equal to negative one"
+ | null: "null"
+ | undefined: "undefined"
+ | true: "strict true"
+ | false: "strict false"
diff --git a/test/fixtures/lightscript/match/literals/expected.json b/test/fixtures/lightscript/match/literals/expected.json
new file mode 100644
index 0000000000..0b2f2ce487
--- /dev/null
+++ b/test/fixtures/lightscript/match/literals/expected.json
@@ -0,0 +1,792 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 235,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 11,
+ "column": 25
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 235,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 11,
+ "column": 25
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "MatchStatement",
+ "start": 0,
+ "end": 235,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 11,
+ "column": 25
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 6,
+ "end": 7,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 6
+ },
+ "end": {
+ "line": 1,
+ "column": 7
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 11,
+ "end": 21,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 12
+ }
+ },
+ "test": {
+ "type": "NumericLiteral",
+ "start": 13,
+ "end": 14,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 5
+ }
+ },
+ "extra": {
+ "rawValue": 2,
+ "raw": "2"
+ },
+ "value": 2
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 16,
+ "end": 21,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 7
+ },
+ "end": {
+ "line": 2,
+ "column": 12
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 16,
+ "end": 21,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 7
+ },
+ "end": {
+ "line": 2,
+ "column": 12
+ }
+ },
+ "extra": {
+ "rawValue": "two",
+ "raw": "\"two\""
+ },
+ "value": "two"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 24,
+ "end": 39,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 2
+ },
+ "end": {
+ "line": 3,
+ "column": 17
+ }
+ },
+ "test": {
+ "type": "StringLiteral",
+ "start": 26,
+ "end": 33,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 11
+ }
+ },
+ "extra": {
+ "rawValue": "hello",
+ "raw": "\"hello\""
+ },
+ "value": "hello"
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 35,
+ "end": 39,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 13
+ },
+ "end": {
+ "line": 3,
+ "column": 17
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 35,
+ "end": 39,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 13
+ },
+ "end": {
+ "line": 3,
+ "column": 17
+ }
+ },
+ "extra": {
+ "rawValue": "hi",
+ "raw": "\"hi\""
+ },
+ "value": "hi"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 42,
+ "end": 57,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 2
+ },
+ "end": {
+ "line": 4,
+ "column": 17
+ }
+ },
+ "test": {
+ "type": "RegExpLiteral",
+ "start": 44,
+ "end": 49,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 4
+ },
+ "end": {
+ "line": 4,
+ "column": 9
+ }
+ },
+ "extra": {
+ "raw": "/\\w+/"
+ },
+ "pattern": "\\w+",
+ "flags": ""
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 51,
+ "end": 57,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 11
+ },
+ "end": {
+ "line": 4,
+ "column": 17
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 51,
+ "end": 57,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 11
+ },
+ "end": {
+ "line": 4,
+ "column": 17
+ }
+ },
+ "extra": {
+ "rawValue": "word",
+ "raw": "\"word\""
+ },
+ "value": "word"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 60,
+ "end": 77,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 2
+ },
+ "end": {
+ "line": 5,
+ "column": 19
+ }
+ },
+ "test": {
+ "type": "RegExpLiteral",
+ "start": 62,
+ "end": 69,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 4
+ },
+ "end": {
+ "line": 5,
+ "column": 11
+ }
+ },
+ "extra": {
+ "raw": "/\\w+/ig"
+ },
+ "pattern": "\\w+",
+ "flags": "ig"
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 71,
+ "end": 77,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 13
+ },
+ "end": {
+ "line": 5,
+ "column": 19
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 71,
+ "end": 77,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 13
+ },
+ "end": {
+ "line": 5,
+ "column": 19
+ }
+ },
+ "extra": {
+ "rawValue": "word",
+ "raw": "\"word\""
+ },
+ "value": "word"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 80,
+ "end": 109,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 2
+ },
+ "end": {
+ "line": 6,
+ "column": 31
+ }
+ },
+ "test": {
+ "type": "UnaryExpression",
+ "start": 82,
+ "end": 84,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 4
+ },
+ "end": {
+ "line": 6,
+ "column": 6
+ }
+ },
+ "operator": "+",
+ "prefix": true,
+ "argument": {
+ "type": "NumericLiteral",
+ "start": 83,
+ "end": 84,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 5
+ },
+ "end": {
+ "line": 6,
+ "column": 6
+ }
+ },
+ "extra": {
+ "rawValue": 1,
+ "raw": "1"
+ },
+ "value": 1
+ },
+ "extra": {
+ "parenthesizedArgument": false
+ }
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 86,
+ "end": 109,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 8
+ },
+ "end": {
+ "line": 6,
+ "column": 31
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 86,
+ "end": 109,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 8
+ },
+ "end": {
+ "line": 6,
+ "column": 31
+ }
+ },
+ "extra": {
+ "rawValue": "equal to positive one",
+ "raw": "\"equal to positive one\""
+ },
+ "value": "equal to positive one"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 112,
+ "end": 141,
+ "loc": {
+ "start": {
+ "line": 7,
+ "column": 2
+ },
+ "end": {
+ "line": 7,
+ "column": 31
+ }
+ },
+ "test": {
+ "type": "UnaryExpression",
+ "start": 114,
+ "end": 116,
+ "loc": {
+ "start": {
+ "line": 7,
+ "column": 4
+ },
+ "end": {
+ "line": 7,
+ "column": 6
+ }
+ },
+ "operator": "-",
+ "prefix": true,
+ "argument": {
+ "type": "NumericLiteral",
+ "start": 115,
+ "end": 116,
+ "loc": {
+ "start": {
+ "line": 7,
+ "column": 5
+ },
+ "end": {
+ "line": 7,
+ "column": 6
+ }
+ },
+ "extra": {
+ "rawValue": 1,
+ "raw": "1"
+ },
+ "value": 1
+ },
+ "extra": {
+ "parenthesizedArgument": false
+ }
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 118,
+ "end": 141,
+ "loc": {
+ "start": {
+ "line": 7,
+ "column": 8
+ },
+ "end": {
+ "line": 7,
+ "column": 31
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 118,
+ "end": 141,
+ "loc": {
+ "start": {
+ "line": 7,
+ "column": 8
+ },
+ "end": {
+ "line": 7,
+ "column": 31
+ }
+ },
+ "extra": {
+ "rawValue": "equal to negative one",
+ "raw": "\"equal to negative one\""
+ },
+ "value": "equal to negative one"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 144,
+ "end": 158,
+ "loc": {
+ "start": {
+ "line": 8,
+ "column": 2
+ },
+ "end": {
+ "line": 8,
+ "column": 16
+ }
+ },
+ "test": {
+ "type": "NullLiteral",
+ "start": 146,
+ "end": 150,
+ "loc": {
+ "start": {
+ "line": 8,
+ "column": 4
+ },
+ "end": {
+ "line": 8,
+ "column": 8
+ }
+ }
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 152,
+ "end": 158,
+ "loc": {
+ "start": {
+ "line": 8,
+ "column": 10
+ },
+ "end": {
+ "line": 8,
+ "column": 16
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 152,
+ "end": 158,
+ "loc": {
+ "start": {
+ "line": 8,
+ "column": 10
+ },
+ "end": {
+ "line": 8,
+ "column": 16
+ }
+ },
+ "extra": {
+ "rawValue": "null",
+ "raw": "\"null\""
+ },
+ "value": "null"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 161,
+ "end": 185,
+ "loc": {
+ "start": {
+ "line": 9,
+ "column": 2
+ },
+ "end": {
+ "line": 9,
+ "column": 26
+ }
+ },
+ "test": {
+ "type": "Identifier",
+ "start": 163,
+ "end": 172,
+ "loc": {
+ "start": {
+ "line": 9,
+ "column": 4
+ },
+ "end": {
+ "line": 9,
+ "column": 13
+ },
+ "identifierName": "undefined"
+ },
+ "name": "undefined"
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 174,
+ "end": 185,
+ "loc": {
+ "start": {
+ "line": 9,
+ "column": 15
+ },
+ "end": {
+ "line": 9,
+ "column": 26
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 174,
+ "end": 185,
+ "loc": {
+ "start": {
+ "line": 9,
+ "column": 15
+ },
+ "end": {
+ "line": 9,
+ "column": 26
+ }
+ },
+ "extra": {
+ "rawValue": "undefined",
+ "raw": "\"undefined\""
+ },
+ "value": "undefined"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 188,
+ "end": 209,
+ "loc": {
+ "start": {
+ "line": 10,
+ "column": 2
+ },
+ "end": {
+ "line": 10,
+ "column": 23
+ }
+ },
+ "test": {
+ "type": "BooleanLiteral",
+ "start": 190,
+ "end": 194,
+ "loc": {
+ "start": {
+ "line": 10,
+ "column": 4
+ },
+ "end": {
+ "line": 10,
+ "column": 8
+ }
+ },
+ "value": true
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 196,
+ "end": 209,
+ "loc": {
+ "start": {
+ "line": 10,
+ "column": 10
+ },
+ "end": {
+ "line": 10,
+ "column": 23
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 196,
+ "end": 209,
+ "loc": {
+ "start": {
+ "line": 10,
+ "column": 10
+ },
+ "end": {
+ "line": 10,
+ "column": 23
+ }
+ },
+ "extra": {
+ "rawValue": "strict true",
+ "raw": "\"strict true\""
+ },
+ "value": "strict true"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 212,
+ "end": 235,
+ "loc": {
+ "start": {
+ "line": 11,
+ "column": 2
+ },
+ "end": {
+ "line": 11,
+ "column": 25
+ }
+ },
+ "test": {
+ "type": "BooleanLiteral",
+ "start": 214,
+ "end": 219,
+ "loc": {
+ "start": {
+ "line": 11,
+ "column": 4
+ },
+ "end": {
+ "line": 11,
+ "column": 9
+ }
+ },
+ "value": false
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 221,
+ "end": 235,
+ "loc": {
+ "start": {
+ "line": 11,
+ "column": 11
+ },
+ "end": {
+ "line": 11,
+ "column": 25
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 221,
+ "end": 235,
+ "loc": {
+ "start": {
+ "line": 11,
+ "column": 11
+ },
+ "end": {
+ "line": 11,
+ "column": 25
+ }
+ },
+ "extra": {
+ "rawValue": "strict false",
+ "raw": "\"strict false\""
+ },
+ "value": "strict false"
+ }
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/mismatched-indent-level-curly/actual.js b/test/fixtures/lightscript/match/mismatched-indent-level-curly/actual.js
new file mode 100644
index 0000000000..dd0c10c33c
--- /dev/null
+++ b/test/fixtures/lightscript/match/mismatched-indent-level-curly/actual.js
@@ -0,0 +1,4 @@
+match x {
+ | true: true
+ | false: false
+}
diff --git a/test/fixtures/lightscript/match/mismatched-indent-level-curly/expected.json b/test/fixtures/lightscript/match/mismatched-indent-level-curly/expected.json
new file mode 100644
index 0000000000..db10c84de5
--- /dev/null
+++ b/test/fixtures/lightscript/match/mismatched-indent-level-curly/expected.json
@@ -0,0 +1,192 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 45,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 4,
+ "column": 1
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 45,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 4,
+ "column": 1
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "MatchStatement",
+ "start": 0,
+ "end": 45,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 4,
+ "column": 1
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 6,
+ "end": 7,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 6
+ },
+ "end": {
+ "line": 1,
+ "column": 7
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 12,
+ "end": 24,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 14
+ }
+ },
+ "test": {
+ "type": "BooleanLiteral",
+ "start": 14,
+ "end": 18,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 8
+ }
+ },
+ "value": true
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 20,
+ "end": 24,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 10
+ },
+ "end": {
+ "line": 2,
+ "column": 14
+ }
+ },
+ "expression": {
+ "type": "BooleanLiteral",
+ "start": 20,
+ "end": 24,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 10
+ },
+ "end": {
+ "line": 2,
+ "column": 14
+ }
+ },
+ "value": true
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 29,
+ "end": 43,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 18
+ }
+ },
+ "test": {
+ "type": "BooleanLiteral",
+ "start": 31,
+ "end": 36,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 6
+ },
+ "end": {
+ "line": 3,
+ "column": 11
+ }
+ },
+ "value": false
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 38,
+ "end": 43,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 13
+ },
+ "end": {
+ "line": 3,
+ "column": 18
+ }
+ },
+ "expression": {
+ "type": "BooleanLiteral",
+ "start": 38,
+ "end": 43,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 13
+ },
+ "end": {
+ "line": 3,
+ "column": 18
+ }
+ },
+ "value": false
+ }
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/mismatched-indent-level-illegal/actual.js b/test/fixtures/lightscript/match/mismatched-indent-level-illegal/actual.js
new file mode 100644
index 0000000000..6050b761a5
--- /dev/null
+++ b/test/fixtures/lightscript/match/mismatched-indent-level-illegal/actual.js
@@ -0,0 +1,3 @@
+match x:
+ | true: true
+ | false: false
diff --git a/test/fixtures/lightscript/match/mismatched-indent-level-illegal/options.json b/test/fixtures/lightscript/match/mismatched-indent-level-illegal/options.json
new file mode 100644
index 0000000000..8c651f3120
--- /dev/null
+++ b/test/fixtures/lightscript/match/mismatched-indent-level-illegal/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Mismatched indent. (3:4)"
+}
diff --git a/test/fixtures/lightscript/match/nested/actual.js b/test/fixtures/lightscript/match/nested/actual.js
new file mode 100644
index 0000000000..2e436ad960
--- /dev/null
+++ b/test/fixtures/lightscript/match/nested/actual.js
@@ -0,0 +1,6 @@
+match x:
+ | x > 2: match y:
+ | y > 10: "soo big"
+ | y > 5: "still pretty big"
+ | else: "kinda big"
+ | else: "some other thing"
diff --git a/test/fixtures/lightscript/match/nested/expected.json b/test/fixtures/lightscript/match/nested/expected.json
new file mode 100644
index 0000000000..cb608e0bc0
--- /dev/null
+++ b/test/fixtures/lightscript/match/nested/expected.json
@@ -0,0 +1,506 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 137,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 6,
+ "column": 28
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 137,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 6,
+ "column": 28
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "MatchStatement",
+ "start": 0,
+ "end": 137,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 6,
+ "column": 28
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 6,
+ "end": 7,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 6
+ },
+ "end": {
+ "line": 1,
+ "column": 7
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 11,
+ "end": 108,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 5,
+ "column": 23
+ }
+ },
+ "test": {
+ "type": "BinaryExpression",
+ "start": 13,
+ "end": 18,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 9
+ }
+ },
+ "left": {
+ "type": "Identifier",
+ "start": 13,
+ "end": 14,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 5
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "operator": ">",
+ "right": {
+ "type": "NumericLiteral",
+ "start": 17,
+ "end": 18,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 8
+ },
+ "end": {
+ "line": 2,
+ "column": 9
+ }
+ },
+ "extra": {
+ "rawValue": 2,
+ "raw": "2"
+ },
+ "value": 2
+ }
+ },
+ "consequent": {
+ "type": "MatchStatement",
+ "start": 20,
+ "end": 108,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 11
+ },
+ "end": {
+ "line": 5,
+ "column": 23
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 26,
+ "end": 27,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 17
+ },
+ "end": {
+ "line": 2,
+ "column": 18
+ },
+ "identifierName": "y"
+ },
+ "name": "y"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 33,
+ "end": 52,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 23
+ }
+ },
+ "test": {
+ "type": "BinaryExpression",
+ "start": 35,
+ "end": 41,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 6
+ },
+ "end": {
+ "line": 3,
+ "column": 12
+ }
+ },
+ "left": {
+ "type": "Identifier",
+ "start": 35,
+ "end": 36,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 6
+ },
+ "end": {
+ "line": 3,
+ "column": 7
+ },
+ "identifierName": "y"
+ },
+ "name": "y"
+ },
+ "operator": ">",
+ "right": {
+ "type": "NumericLiteral",
+ "start": 39,
+ "end": 41,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 10
+ },
+ "end": {
+ "line": 3,
+ "column": 12
+ }
+ },
+ "extra": {
+ "rawValue": 10,
+ "raw": "10"
+ },
+ "value": 10
+ }
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 43,
+ "end": 52,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 14
+ },
+ "end": {
+ "line": 3,
+ "column": 23
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 43,
+ "end": 52,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 14
+ },
+ "end": {
+ "line": 3,
+ "column": 23
+ }
+ },
+ "extra": {
+ "rawValue": "soo big",
+ "raw": "\"soo big\""
+ },
+ "value": "soo big"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 57,
+ "end": 84,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 4
+ },
+ "end": {
+ "line": 4,
+ "column": 31
+ }
+ },
+ "test": {
+ "type": "BinaryExpression",
+ "start": 59,
+ "end": 64,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 6
+ },
+ "end": {
+ "line": 4,
+ "column": 11
+ }
+ },
+ "left": {
+ "type": "Identifier",
+ "start": 59,
+ "end": 60,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 6
+ },
+ "end": {
+ "line": 4,
+ "column": 7
+ },
+ "identifierName": "y"
+ },
+ "name": "y"
+ },
+ "operator": ">",
+ "right": {
+ "type": "NumericLiteral",
+ "start": 63,
+ "end": 64,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 10
+ },
+ "end": {
+ "line": 4,
+ "column": 11
+ }
+ },
+ "extra": {
+ "rawValue": 5,
+ "raw": "5"
+ },
+ "value": 5
+ }
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 66,
+ "end": 84,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 13
+ },
+ "end": {
+ "line": 4,
+ "column": 31
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 66,
+ "end": 84,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 13
+ },
+ "end": {
+ "line": 4,
+ "column": 31
+ }
+ },
+ "extra": {
+ "rawValue": "still pretty big",
+ "raw": "\"still pretty big\""
+ },
+ "value": "still pretty big"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 89,
+ "end": 108,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 4
+ },
+ "end": {
+ "line": 5,
+ "column": 23
+ }
+ },
+ "test": {
+ "type": "MatchElse",
+ "start": 91,
+ "end": 95,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 6
+ },
+ "end": {
+ "line": 5,
+ "column": 10
+ }
+ }
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 97,
+ "end": 108,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 12
+ },
+ "end": {
+ "line": 5,
+ "column": 23
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 97,
+ "end": 108,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 12
+ },
+ "end": {
+ "line": 5,
+ "column": 23
+ }
+ },
+ "extra": {
+ "rawValue": "kinda big",
+ "raw": "\"kinda big\""
+ },
+ "value": "kinda big"
+ }
+ }
+ }
+ ]
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 111,
+ "end": 137,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 2
+ },
+ "end": {
+ "line": 6,
+ "column": 28
+ }
+ },
+ "test": {
+ "type": "MatchElse",
+ "start": 113,
+ "end": 117,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 4
+ },
+ "end": {
+ "line": 6,
+ "column": 8
+ }
+ }
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 119,
+ "end": 137,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 10
+ },
+ "end": {
+ "line": 6,
+ "column": 28
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 119,
+ "end": 137,
+ "loc": {
+ "start": {
+ "line": 6,
+ "column": 10
+ },
+ "end": {
+ "line": 6,
+ "column": 28
+ }
+ },
+ "extra": {
+ "rawValue": "some other thing",
+ "raw": "\"some other thing\""
+ },
+ "value": "some other thing"
+ }
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/newline-after-pipe-illegal/actual.js b/test/fixtures/lightscript/match/newline-after-pipe-illegal/actual.js
new file mode 100644
index 0000000000..c8c3c0b9ca
--- /dev/null
+++ b/test/fixtures/lightscript/match/newline-after-pipe-illegal/actual.js
@@ -0,0 +1,3 @@
+match x:
+ |
+ d: 'its a func'
diff --git a/test/fixtures/lightscript/match/newline-after-pipe-illegal/options.json b/test/fixtures/lightscript/match/newline-after-pipe-illegal/options.json
new file mode 100644
index 0000000000..69f60c2be3
--- /dev/null
+++ b/test/fixtures/lightscript/match/newline-after-pipe-illegal/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Illegal newline. (2:3)"
+}
diff --git a/test/fixtures/lightscript/match/overindent-allowed/actual.js b/test/fixtures/lightscript/match/overindent-allowed/actual.js
new file mode 100644
index 0000000000..99efbc86bc
--- /dev/null
+++ b/test/fixtures/lightscript/match/overindent-allowed/actual.js
@@ -0,0 +1,3 @@
+match x:
+ | true: true
+ | false: false
diff --git a/test/fixtures/lightscript/match/overindent-allowed/expected.json b/test/fixtures/lightscript/match/overindent-allowed/expected.json
new file mode 100644
index 0000000000..0f240f8b96
--- /dev/null
+++ b/test/fixtures/lightscript/match/overindent-allowed/expected.json
@@ -0,0 +1,192 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 44,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 18
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 44,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 18
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "MatchStatement",
+ "start": 0,
+ "end": 44,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 18
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 6,
+ "end": 7,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 6
+ },
+ "end": {
+ "line": 1,
+ "column": 7
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 13,
+ "end": 25,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 16
+ }
+ },
+ "test": {
+ "type": "BooleanLiteral",
+ "start": 15,
+ "end": 19,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 6
+ },
+ "end": {
+ "line": 2,
+ "column": 10
+ }
+ },
+ "value": true
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 21,
+ "end": 25,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 12
+ },
+ "end": {
+ "line": 2,
+ "column": 16
+ }
+ },
+ "expression": {
+ "type": "BooleanLiteral",
+ "start": 21,
+ "end": 25,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 12
+ },
+ "end": {
+ "line": 2,
+ "column": 16
+ }
+ },
+ "value": true
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 30,
+ "end": 44,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 18
+ }
+ },
+ "test": {
+ "type": "BooleanLiteral",
+ "start": 32,
+ "end": 37,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 6
+ },
+ "end": {
+ "line": 3,
+ "column": 11
+ }
+ },
+ "value": false
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 39,
+ "end": 44,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 13
+ },
+ "end": {
+ "line": 3,
+ "column": 18
+ }
+ },
+ "expression": {
+ "type": "BooleanLiteral",
+ "start": 39,
+ "end": 44,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 13
+ },
+ "end": {
+ "line": 3,
+ "column": 18
+ }
+ },
+ "value": false
+ }
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/paren-no-curly-consequent-illegal/actual.js b/test/fixtures/lightscript/match/paren-no-curly-consequent-illegal/actual.js
new file mode 100644
index 0000000000..0b779c0b85
--- /dev/null
+++ b/test/fixtures/lightscript/match/paren-no-curly-consequent-illegal/actual.js
@@ -0,0 +1,2 @@
+a = match x:
+ | (y) "y"
diff --git a/test/fixtures/lightscript/match/paren-no-curly-consequent-illegal/options.json b/test/fixtures/lightscript/match/paren-no-curly-consequent-illegal/options.json
new file mode 100644
index 0000000000..a5ea04d45f
--- /dev/null
+++ b/test/fixtures/lightscript/match/paren-no-curly-consequent-illegal/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Unexpected token, expected { (2:8)"
+}
diff --git a/test/fixtures/lightscript/match/parens-arent-calls/actual.js b/test/fixtures/lightscript/match/parens-arent-calls/actual.js
new file mode 100644
index 0000000000..41e01ef13d
--- /dev/null
+++ b/test/fixtures/lightscript/match/parens-arent-calls/actual.js
@@ -0,0 +1,2 @@
+a = match x:
+ | (y): "bigger than two"
diff --git a/test/fixtures/lightscript/match/parens-arent-calls/expected.json b/test/fixtures/lightscript/match/parens-arent-calls/expected.json
new file mode 100644
index 0000000000..d85a596994
--- /dev/null
+++ b/test/fixtures/lightscript/match/parens-arent-calls/expected.json
@@ -0,0 +1,192 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 39,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 26
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 39,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 26
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "VariableDeclaration",
+ "start": 0,
+ "end": 39,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 26
+ }
+ },
+ "kind": "const",
+ "extra": {
+ "implicit": true
+ },
+ "declarations": [
+ {
+ "type": "VariableDeclarator",
+ "start": 0,
+ "end": 39,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 2,
+ "column": 26
+ }
+ },
+ "id": {
+ "type": "Identifier",
+ "start": 0,
+ "end": 1,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 1,
+ "column": 1
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "init": {
+ "type": "MatchExpression",
+ "start": 4,
+ "end": 39,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 26
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 10,
+ "end": 11,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 10
+ },
+ "end": {
+ "line": 1,
+ "column": 11
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 15,
+ "end": 39,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 26
+ }
+ },
+ "test": {
+ "type": "Identifier",
+ "start": 18,
+ "end": 19,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 5
+ },
+ "end": {
+ "line": 2,
+ "column": 6
+ },
+ "identifierName": "y"
+ },
+ "name": "y",
+ "extra": {
+ "parenthesized": true,
+ "parenStart": 17
+ }
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 22,
+ "end": 39,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 9
+ },
+ "end": {
+ "line": 2,
+ "column": 26
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 22,
+ "end": 39,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 9
+ },
+ "end": {
+ "line": 2,
+ "column": 26
+ }
+ },
+ "extra": {
+ "rawValue": "bigger than two",
+ "raw": "\"bigger than two\""
+ },
+ "value": "bigger than two"
+ }
+ }
+ }
+ ]
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/parens-no-curlies-no-colon-illegal/actual.js b/test/fixtures/lightscript/match/parens-no-curlies-no-colon-illegal/actual.js
new file mode 100644
index 0000000000..3e3f3d123d
--- /dev/null
+++ b/test/fixtures/lightscript/match/parens-no-curlies-no-colon-illegal/actual.js
@@ -0,0 +1 @@
+a = match (x) | > 2: "bigger than two"
diff --git a/test/fixtures/lightscript/match/parens-no-curlies-no-colon-illegal/options.json b/test/fixtures/lightscript/match/parens-no-curlies-no-colon-illegal/options.json
new file mode 100644
index 0000000000..5a6e234031
--- /dev/null
+++ b/test/fixtures/lightscript/match/parens-no-curlies-no-colon-illegal/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Unexpected token, expected { (1:14)"
+}
diff --git a/test/fixtures/lightscript/match/parens-no-curlies/actual.js b/test/fixtures/lightscript/match/parens-no-curlies/actual.js
new file mode 100644
index 0000000000..b3103df97a
--- /dev/null
+++ b/test/fixtures/lightscript/match/parens-no-curlies/actual.js
@@ -0,0 +1,3 @@
+a = match (x):
+ | 2: "eq two"
+ | else: "some other thing"
diff --git a/test/fixtures/lightscript/match/parens-no-curlies/expected.json b/test/fixtures/lightscript/match/parens-no-curlies/expected.json
new file mode 100644
index 0000000000..7bfa24b559
--- /dev/null
+++ b/test/fixtures/lightscript/match/parens-no-curlies/expected.json
@@ -0,0 +1,257 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 59,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 59,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "VariableDeclaration",
+ "start": 0,
+ "end": 59,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "kind": "const",
+ "extra": {
+ "implicit": true
+ },
+ "declarations": [
+ {
+ "type": "VariableDeclarator",
+ "start": 0,
+ "end": 59,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "id": {
+ "type": "Identifier",
+ "start": 0,
+ "end": 1,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 1,
+ "column": 1
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "init": {
+ "type": "MatchExpression",
+ "start": 4,
+ "end": 59,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 11,
+ "end": 12,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 11
+ },
+ "end": {
+ "line": 1,
+ "column": 12
+ },
+ "identifierName": "x"
+ },
+ "name": "x",
+ "extra": {}
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 17,
+ "end": 30,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 15
+ }
+ },
+ "test": {
+ "type": "NumericLiteral",
+ "start": 19,
+ "end": 20,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 5
+ }
+ },
+ "extra": {
+ "rawValue": 2,
+ "raw": "2"
+ },
+ "value": 2
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 22,
+ "end": 30,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 7
+ },
+ "end": {
+ "line": 2,
+ "column": 15
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 22,
+ "end": 30,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 7
+ },
+ "end": {
+ "line": 2,
+ "column": 15
+ }
+ },
+ "extra": {
+ "rawValue": "eq two",
+ "raw": "\"eq two\""
+ },
+ "value": "eq two"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 33,
+ "end": 59,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 2
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "test": {
+ "type": "MatchElse",
+ "start": 35,
+ "end": 39,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 8
+ }
+ }
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 41,
+ "end": 59,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 10
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 41,
+ "end": 59,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 10
+ },
+ "end": {
+ "line": 3,
+ "column": 28
+ }
+ },
+ "extra": {
+ "rawValue": "some other thing",
+ "raw": "\"some other thing\""
+ },
+ "value": "some other thing"
+ }
+ }
+ }
+ ]
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/parenthesized-destructuring-illegal/actual.js b/test/fixtures/lightscript/match/parenthesized-destructuring-illegal/actual.js
new file mode 100644
index 0000000000..c89d86c9f2
--- /dev/null
+++ b/test/fixtures/lightscript/match/parenthesized-destructuring-illegal/actual.js
@@ -0,0 +1,2 @@
+a = match x:
+ | 3 with ({ three }): three
diff --git a/test/fixtures/lightscript/match/parenthesized-destructuring-illegal/options.json b/test/fixtures/lightscript/match/parenthesized-destructuring-illegal/options.json
new file mode 100644
index 0000000000..8551537138
--- /dev/null
+++ b/test/fixtures/lightscript/match/parenthesized-destructuring-illegal/options.json
@@ -0,0 +1,3 @@
+{
+ "throws": "Unexpected token (2:11)"
+}
diff --git a/test/fixtures/lightscript/match/plain-obj-arr/actual.js b/test/fixtures/lightscript/match/plain-obj-arr/actual.js
new file mode 100644
index 0000000000..e98d0eb3e5
--- /dev/null
+++ b/test/fixtures/lightscript/match/plain-obj-arr/actual.js
@@ -0,0 +1,5 @@
+match x:
+ | { a, b }~isObject(): true
+ | { a: 'a' }: 'should throw in compiler'
+ | [a, b].includes(x): true
+ | [a, 'b']: 'should throw in compiler'
diff --git a/test/fixtures/lightscript/match/plain-obj-arr/expected.json b/test/fixtures/lightscript/match/plain-obj-arr/expected.json
new file mode 100644
index 0000000000..41abc7a7e7
--- /dev/null
+++ b/test/fixtures/lightscript/match/plain-obj-arr/expected.json
@@ -0,0 +1,664 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 151,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 5,
+ "column": 40
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 151,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 5,
+ "column": 40
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "MatchStatement",
+ "start": 0,
+ "end": 151,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 5,
+ "column": 40
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 6,
+ "end": 7,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 6
+ },
+ "end": {
+ "line": 1,
+ "column": 7
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 11,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 29
+ }
+ },
+ "test": {
+ "type": "TildeCallExpression",
+ "start": 13,
+ "end": 32,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 23
+ }
+ },
+ "left": {
+ "type": "ObjectExpression",
+ "start": 13,
+ "end": 21,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 12
+ }
+ },
+ "properties": [
+ {
+ "type": "ObjectProperty",
+ "start": 15,
+ "end": 16,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 6
+ },
+ "end": {
+ "line": 2,
+ "column": 7
+ }
+ },
+ "method": false,
+ "shorthand": true,
+ "computed": false,
+ "key": {
+ "type": "Identifier",
+ "start": 15,
+ "end": 16,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 6
+ },
+ "end": {
+ "line": 2,
+ "column": 7
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "value": {
+ "type": "Identifier",
+ "start": 15,
+ "end": 16,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 6
+ },
+ "end": {
+ "line": 2,
+ "column": 7
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "extra": {
+ "shorthand": true
+ }
+ },
+ {
+ "type": "ObjectProperty",
+ "start": 18,
+ "end": 19,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 9
+ },
+ "end": {
+ "line": 2,
+ "column": 10
+ }
+ },
+ "method": false,
+ "shorthand": true,
+ "computed": false,
+ "key": {
+ "type": "Identifier",
+ "start": 18,
+ "end": 19,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 9
+ },
+ "end": {
+ "line": 2,
+ "column": 10
+ },
+ "identifierName": "b"
+ },
+ "name": "b"
+ },
+ "value": {
+ "type": "Identifier",
+ "start": 18,
+ "end": 19,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 9
+ },
+ "end": {
+ "line": 2,
+ "column": 10
+ },
+ "identifierName": "b"
+ },
+ "name": "b"
+ },
+ "extra": {
+ "shorthand": true
+ }
+ }
+ ]
+ },
+ "right": {
+ "type": "Identifier",
+ "start": 22,
+ "end": 30,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 13
+ },
+ "end": {
+ "line": 2,
+ "column": 21
+ },
+ "identifierName": "isObject"
+ },
+ "name": "isObject"
+ },
+ "arguments": []
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 34,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 25
+ },
+ "end": {
+ "line": 2,
+ "column": 29
+ }
+ },
+ "expression": {
+ "type": "BooleanLiteral",
+ "start": 34,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 25
+ },
+ "end": {
+ "line": 2,
+ "column": 29
+ }
+ },
+ "value": true
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 41,
+ "end": 81,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 2
+ },
+ "end": {
+ "line": 3,
+ "column": 42
+ }
+ },
+ "test": {
+ "type": "ObjectExpression",
+ "start": 43,
+ "end": 53,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 14
+ }
+ },
+ "properties": [
+ {
+ "type": "ObjectProperty",
+ "start": 45,
+ "end": 51,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 6
+ },
+ "end": {
+ "line": 3,
+ "column": 12
+ }
+ },
+ "method": false,
+ "shorthand": false,
+ "computed": false,
+ "key": {
+ "type": "Identifier",
+ "start": 45,
+ "end": 46,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 6
+ },
+ "end": {
+ "line": 3,
+ "column": 7
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ "value": {
+ "type": "StringLiteral",
+ "start": 48,
+ "end": 51,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 9
+ },
+ "end": {
+ "line": 3,
+ "column": 12
+ }
+ },
+ "extra": {
+ "rawValue": "a",
+ "raw": "'a'"
+ },
+ "value": "a"
+ }
+ }
+ ]
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 55,
+ "end": 81,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 16
+ },
+ "end": {
+ "line": 3,
+ "column": 42
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 55,
+ "end": 81,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 16
+ },
+ "end": {
+ "line": 3,
+ "column": 42
+ }
+ },
+ "extra": {
+ "rawValue": "should throw in compiler",
+ "raw": "'should throw in compiler'"
+ },
+ "value": "should throw in compiler"
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 84,
+ "end": 110,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 2
+ },
+ "end": {
+ "line": 4,
+ "column": 28
+ }
+ },
+ "test": {
+ "type": "CallExpression",
+ "start": 86,
+ "end": 104,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 4
+ },
+ "end": {
+ "line": 4,
+ "column": 22
+ }
+ },
+ "callee": {
+ "type": "MemberExpression",
+ "start": 86,
+ "end": 101,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 4
+ },
+ "end": {
+ "line": 4,
+ "column": 19
+ }
+ },
+ "object": {
+ "type": "ArrayExpression",
+ "start": 86,
+ "end": 92,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 4
+ },
+ "end": {
+ "line": 4,
+ "column": 10
+ }
+ },
+ "elements": [
+ {
+ "type": "Identifier",
+ "start": 87,
+ "end": 88,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 5
+ },
+ "end": {
+ "line": 4,
+ "column": 6
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ {
+ "type": "Identifier",
+ "start": 90,
+ "end": 91,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 8
+ },
+ "end": {
+ "line": 4,
+ "column": 9
+ },
+ "identifierName": "b"
+ },
+ "name": "b"
+ }
+ ]
+ },
+ "property": {
+ "type": "Identifier",
+ "start": 93,
+ "end": 101,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 11
+ },
+ "end": {
+ "line": 4,
+ "column": 19
+ },
+ "identifierName": "includes"
+ },
+ "name": "includes"
+ },
+ "computed": false
+ },
+ "arguments": [
+ {
+ "type": "Identifier",
+ "start": 102,
+ "end": 103,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 20
+ },
+ "end": {
+ "line": 4,
+ "column": 21
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ }
+ ]
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 106,
+ "end": 110,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 24
+ },
+ "end": {
+ "line": 4,
+ "column": 28
+ }
+ },
+ "expression": {
+ "type": "BooleanLiteral",
+ "start": 106,
+ "end": 110,
+ "loc": {
+ "start": {
+ "line": 4,
+ "column": 24
+ },
+ "end": {
+ "line": 4,
+ "column": 28
+ }
+ },
+ "value": true
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 113,
+ "end": 151,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 2
+ },
+ "end": {
+ "line": 5,
+ "column": 40
+ }
+ },
+ "test": {
+ "type": "ArrayExpression",
+ "start": 115,
+ "end": 123,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 4
+ },
+ "end": {
+ "line": 5,
+ "column": 12
+ }
+ },
+ "elements": [
+ {
+ "type": "Identifier",
+ "start": 116,
+ "end": 117,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 5
+ },
+ "end": {
+ "line": 5,
+ "column": 6
+ },
+ "identifierName": "a"
+ },
+ "name": "a"
+ },
+ {
+ "type": "StringLiteral",
+ "start": 119,
+ "end": 122,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 8
+ },
+ "end": {
+ "line": 5,
+ "column": 11
+ }
+ },
+ "extra": {
+ "rawValue": "b",
+ "raw": "'b'"
+ },
+ "value": "b"
+ }
+ ]
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 125,
+ "end": 151,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 14
+ },
+ "end": {
+ "line": 5,
+ "column": 40
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 125,
+ "end": 151,
+ "loc": {
+ "start": {
+ "line": 5,
+ "column": 14
+ },
+ "end": {
+ "line": 5,
+ "column": 40
+ }
+ },
+ "extra": {
+ "rawValue": "should throw in compiler",
+ "raw": "'should throw in compiler'"
+ },
+ "value": "should throw in compiler"
+ }
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/statement-break/actual.js b/test/fixtures/lightscript/match/statement-break/actual.js
new file mode 100644
index 0000000000..353c1ca6e9
--- /dev/null
+++ b/test/fixtures/lightscript/match/statement-break/actual.js
@@ -0,0 +1,3 @@
+while false:
+ match x:
+ | 1: break
diff --git a/test/fixtures/lightscript/match/statement-break/expected.json b/test/fixtures/lightscript/match/statement-break/expected.json
new file mode 100644
index 0000000000..3a49add969
--- /dev/null
+++ b/test/fixtures/lightscript/match/statement-break/expected.json
@@ -0,0 +1,171 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 14
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 14
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "WhileStatement",
+ "start": 0,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 14
+ }
+ },
+ "test": {
+ "type": "BooleanLiteral",
+ "start": 6,
+ "end": 11,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 6
+ },
+ "end": {
+ "line": 1,
+ "column": 11
+ }
+ },
+ "value": false
+ },
+ "body": {
+ "type": "BlockStatement",
+ "start": 11,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 11
+ },
+ "end": {
+ "line": 3,
+ "column": 14
+ }
+ },
+ "body": [
+ {
+ "type": "MatchStatement",
+ "start": 15,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 3,
+ "column": 14
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 21,
+ "end": 22,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 8
+ },
+ "end": {
+ "line": 2,
+ "column": 9
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 28,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 14
+ }
+ },
+ "test": {
+ "type": "NumericLiteral",
+ "start": 30,
+ "end": 31,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 6
+ },
+ "end": {
+ "line": 3,
+ "column": 7
+ }
+ },
+ "extra": {
+ "rawValue": 1,
+ "raw": "1"
+ },
+ "value": 1
+ },
+ "consequent": {
+ "type": "BreakStatement",
+ "start": 33,
+ "end": 38,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 9
+ },
+ "end": {
+ "line": 3,
+ "column": 14
+ }
+ },
+ "label": null
+ }
+ }
+ ]
+ }
+ ],
+ "directives": [],
+ "extra": {
+ "curly": false
+ }
+ }
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/statement-return/actual.js b/test/fixtures/lightscript/match/statement-return/actual.js
new file mode 100644
index 0000000000..f0e28950d2
--- /dev/null
+++ b/test/fixtures/lightscript/match/statement-return/actual.js
@@ -0,0 +1,3 @@
+f() ->
+ match x:
+ | 1: return
diff --git a/test/fixtures/lightscript/match/statement-return/expected.json b/test/fixtures/lightscript/match/statement-return/expected.json
new file mode 100644
index 0000000000..faa1524f2e
--- /dev/null
+++ b/test/fixtures/lightscript/match/statement-return/expected.json
@@ -0,0 +1,177 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 33,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 15
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 33,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 15
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "NamedArrowDeclaration",
+ "start": 0,
+ "end": 33,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 15
+ }
+ },
+ "id": {
+ "type": "Identifier",
+ "start": 0,
+ "end": 1,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 1,
+ "column": 1
+ },
+ "identifierName": "f"
+ },
+ "name": "f"
+ },
+ "generator": false,
+ "expression": false,
+ "async": false,
+ "params": [],
+ "skinny": true,
+ "body": {
+ "type": "BlockStatement",
+ "start": 4,
+ "end": 33,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 15
+ }
+ },
+ "body": [
+ {
+ "type": "MatchStatement",
+ "start": 9,
+ "end": 33,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 3,
+ "column": 15
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 15,
+ "end": 16,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 8
+ },
+ "end": {
+ "line": 2,
+ "column": 9
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 22,
+ "end": 33,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 15
+ }
+ },
+ "test": {
+ "type": "NumericLiteral",
+ "start": 24,
+ "end": 25,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 6
+ },
+ "end": {
+ "line": 3,
+ "column": 7
+ }
+ },
+ "extra": {
+ "rawValue": 1,
+ "raw": "1"
+ },
+ "value": 1
+ },
+ "consequent": {
+ "type": "ReturnStatement",
+ "start": 27,
+ "end": 33,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 9
+ },
+ "end": {
+ "line": 3,
+ "column": 15
+ }
+ },
+ "argument": null
+ }
+ }
+ ]
+ }
+ ],
+ "directives": [],
+ "extra": {
+ "curly": false
+ }
+ }
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/tag-literal/actual.js b/test/fixtures/lightscript/match/tag-literal/actual.js
new file mode 100644
index 0000000000..05c725a01e
--- /dev/null
+++ b/test/fixtures/lightscript/match/tag-literal/actual.js
@@ -0,0 +1,3 @@
+match x:
+ | `a`: 'is "a"'
+ | `${b}`: 'is str of b'
diff --git a/test/fixtures/lightscript/match/tag-literal/expected.json b/test/fixtures/lightscript/match/tag-literal/expected.json
new file mode 100644
index 0000000000..7ecb00e7bc
--- /dev/null
+++ b/test/fixtures/lightscript/match/tag-literal/expected.json
@@ -0,0 +1,282 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 52,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 25
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 52,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 25
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "MatchStatement",
+ "start": 0,
+ "end": 52,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 3,
+ "column": 25
+ }
+ },
+ "discriminant": {
+ "type": "Identifier",
+ "start": 6,
+ "end": 7,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 6
+ },
+ "end": {
+ "line": 1,
+ "column": 7
+ },
+ "identifierName": "x"
+ },
+ "name": "x"
+ },
+ "cases": [
+ {
+ "type": "MatchCase",
+ "start": 11,
+ "end": 26,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 2
+ },
+ "end": {
+ "line": 2,
+ "column": 17
+ }
+ },
+ "test": {
+ "type": "TemplateLiteral",
+ "start": 13,
+ "end": 16,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 4
+ },
+ "end": {
+ "line": 2,
+ "column": 7
+ }
+ },
+ "expressions": [],
+ "quasis": [
+ {
+ "type": "TemplateElement",
+ "start": 14,
+ "end": 15,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 5
+ },
+ "end": {
+ "line": 2,
+ "column": 6
+ }
+ },
+ "value": {
+ "raw": "a",
+ "cooked": "a"
+ },
+ "tail": true
+ }
+ ]
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 18,
+ "end": 26,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 9
+ },
+ "end": {
+ "line": 2,
+ "column": 17
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 18,
+ "end": 26,
+ "loc": {
+ "start": {
+ "line": 2,
+ "column": 9
+ },
+ "end": {
+ "line": 2,
+ "column": 17
+ }
+ },
+ "extra": {
+ "rawValue": "is \"a\"",
+ "raw": "'is \"a\"'"
+ },
+ "value": "is \"a\""
+ }
+ }
+ },
+ {
+ "type": "MatchCase",
+ "start": 29,
+ "end": 52,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 2
+ },
+ "end": {
+ "line": 3,
+ "column": 25
+ }
+ },
+ "test": {
+ "type": "TemplateLiteral",
+ "start": 31,
+ "end": 37,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 4
+ },
+ "end": {
+ "line": 3,
+ "column": 10
+ }
+ },
+ "expressions": [
+ {
+ "type": "Identifier",
+ "start": 34,
+ "end": 35,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 7
+ },
+ "end": {
+ "line": 3,
+ "column": 8
+ },
+ "identifierName": "b"
+ },
+ "name": "b"
+ }
+ ],
+ "quasis": [
+ {
+ "type": "TemplateElement",
+ "start": 32,
+ "end": 32,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 5
+ },
+ "end": {
+ "line": 3,
+ "column": 5
+ }
+ },
+ "value": {
+ "raw": "",
+ "cooked": ""
+ },
+ "tail": false
+ },
+ {
+ "type": "TemplateElement",
+ "start": 36,
+ "end": 36,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 9
+ },
+ "end": {
+ "line": 3,
+ "column": 9
+ }
+ },
+ "value": {
+ "raw": "",
+ "cooked": ""
+ },
+ "tail": true
+ }
+ ]
+ },
+ "consequent": {
+ "type": "ExpressionStatement",
+ "start": 39,
+ "end": 52,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 12
+ },
+ "end": {
+ "line": 3,
+ "column": 25
+ }
+ },
+ "expression": {
+ "type": "StringLiteral",
+ "start": 39,
+ "end": 52,
+ "loc": {
+ "start": {
+ "line": 3,
+ "column": 12
+ },
+ "end": {
+ "line": 3,
+ "column": 25
+ }
+ },
+ "extra": {
+ "rawValue": "is str of b",
+ "raw": "'is str of b'"
+ },
+ "value": "is str of b"
+ }
+ }
+ }
+ ]
+ }
+ ],
+ "directives": []
+ }
+}
\ No newline at end of file
diff --git a/test/fixtures/lightscript/match/yield/actual.js b/test/fixtures/lightscript/match/yield/actual.js
new file mode 100644
index 0000000000..d9332f88a4
--- /dev/null
+++ b/test/fixtures/lightscript/match/yield/actual.js
@@ -0,0 +1,6 @@
+f() -*>
+ yield match x:
+ | a: 1
+ | b: yield z()
+ | c:
+ yield z()
diff --git a/test/fixtures/lightscript/match/yield/expected.json b/test/fixtures/lightscript/match/yield/expected.json
new file mode 100644
index 0000000000..c544c8e1ff
--- /dev/null
+++ b/test/fixtures/lightscript/match/yield/expected.json
@@ -0,0 +1,437 @@
+{
+ "type": "File",
+ "start": 0,
+ "end": 79,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 6,
+ "column": 15
+ }
+ },
+ "program": {
+ "type": "Program",
+ "start": 0,
+ "end": 79,
+ "loc": {
+ "start": {
+ "line": 1,
+ "column": 0
+ },
+ "end": {
+ "line": 6,
+ "column": 15
+ }
+ },
+ "sourceType": "script",
+ "body": [
+ {
+ "type": "NamedArrowDeclaration",
+ "start": 0,
+ "end": 79,
+ "loc": {
+ "start": {
+ "line": 1,
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