Homework2 - 81950

homework/81950/homework2/Makefile

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+all: parser
+
+lexer_code.c: lexer.l
+	flex lexer.l
+
+lexer: lex.yy.c
+	gcc lex.yy.c -o lexer
+
+parser.tab.c: parser.y
+	bison -d -v parser.y
+
+parser.tab.h: parser.tab.c
+
+parser: parser.tab.c parser.tab.h lex.yy.c
+	${CC} ${CFLAGS} lex.yy.c parser.tab.c -o parser

homework/81950/homework2/README.md

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+### Collapsible control structures
+1. Run ```bash 
+make 
+```
+2. Run ```
+bash start.sh
+```
+3. Open js2html.html 

homework/81950/homework2/example.js

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+// program to check the number of occurrence of a character
+
+function countString(str, letter) {
+  let count = 0;
+
+  // looping through the items
+  for (let i = 0; i < str.length; i++) {
+
+      // check if the character is at that position
+      if (str.charAt(i) == letter) {
+          count += 1;
+      }
+  }
+  return count;
+}
+
+// take input from the user
+const string = prompt('Enter a string: ');
+const letterToCheck = prompt('Enter a letter to check: ');
+
+//passing parameters and calling the function
+const result = countString(string, letterToCheck);
+
+// displaying the result
+console.log(result);