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.

BNFPLYParser

0 likes · 9 min read

Building a Simple Python Interpreter with PLY

MaGe Linux Operations

Jan 3, 2022 · Backend Development

Build a Simple Arithmetic Interpreter in Python Using PLY

This article walks through creating a Python arithmetic interpreter with the PLY library, covering token definitions, lexer rules, BNF grammar, parser implementation, operator precedence, and a runnable REPL, providing complete code and explanations for each step.

BNFPLYPython

0 likes · 9 min read

Build a Simple Arithmetic Interpreter in Python Using 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.

BNFPLYParser

0 likes · 9 min read

Building an Arithmetic Interpreter in Python Using PLY