CalcLang

A simple calculator language implemented using Flex (lex) and Bison (yacc).

Features

• Integer variables
• Arithmetic expressions
• Input and print statements
• Simple commenting: $&( at the start of line

Files

• calc.l — Lexical analyzer (Flex file)
• calc.y — Parser (Bison file)

Build Instructions

1. Make sure you have Flex, Bison, and GCC installed.
2. Run:

   flex calc.l
   bison -d calc.y
   gcc lex.yy.c calc.tab.c -o calcprog
   

3. After compiling, run the interpreter:

   ./calcprog
   

Output