Calc-It

A toy compiler (lexer-parser) written in python viz RPLY and LLVMLite to calculate simple mathematical expressions.

To do:

• Code Lexer. ✔
• Code Parser. ✔
• Code AST. ✔
• Use LLVMLite for optimisation and conversion to machine code.

Installation

Follow the steps to run the web-app on your local machine:

1. Clone the repository

   git clone https://github.com/chumba-wamba/Calc-It.git

2. Install the Dependencies

   cd Calc-It
   pip install -r requirements.txt

Usage

1. Enter the cloned repository

   cd Calc-It

2. Edit the input string in run.py

   from calc_it.lexer import lexer
   from calc_it.parser import parser
   
   
   if __name__ == "__main__":
      input_string = "1+5**(2*3)"
      tokens = lexer.lex(input_string)
      print(parser.parse(tokens).eval())

3. Execute the program

    python run.py