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A simple calculator programme

Project description

A simple calculator

This is a simple calculator when I try to recall my compiler courses.

Installation

Use the package manager pip to install compiler-calc.

pip install compiler-calc 

Usage

from compiler_calc.simple_calc import LexAnalysis, SyntaxAnalysis

# To highlight lexcial and syntax analysis
lex_analyser = LexAnalysis()
syntax_analyser = SyntaxAnalysis()

# You can define your own helper functions
def calculate(expr, lex=lex_analyser, syn=syntax_analyser):
    expr_list = lex(expr)
    return syn(expr_list)

calculate('5+4*3^2') # 41
calculate('1/0') # ValueError

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

MIT

Project details


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