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PLY

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Python Programming Learning Circle

Nov 29, 2023 · Fundamentals

Building a Simple Python Interpreter with PLY

This article guides readers through designing and implementing a basic Python interpreter that can evaluate arithmetic expressions by defining tokens, writing a lexer and parser with PLY, specifying BNF grammar, handling precedence, and assembling a runnable program that processes user input.

BNFInterpreterLexer

0 likes · 9 min read

Building a Simple Python Interpreter with PLY

Python Programming Learning Circle

Nov 26, 2021 · Fundamentals

Building an Arithmetic Interpreter in Python Using PLY

This article explains how to create a simple arithmetic expression interpreter in Python by leveraging the PLY (Python Lex‑Yacc) library, covering token definition, lexer implementation, BNF grammar, parser rules, operator precedence, error handling, and a complete runnable example.

BNFInterpreterLexer

0 likes · 9 min read

Building an Arithmetic Interpreter in Python Using PLY