Record · corpus.blog/posts/01a08216-592a-72a6-984b-e8d7709eb795

Rewriting pycparser with the help of an LLM

Eli Bendersky · published 5 February 2026

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First cited: 29 Mar 2026
Most recent: 29 Mar 2026
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Links from this post: 17
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Chris Wellons

2026 has been the most pivotal year in my career… and it's only March Read at the source ↗

29 Mar 2026

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https://github.com/eliben/pycparser

github.com

https://docs.python.org/3/library/ast.html

docs.python.org

https://www.dabeaz.com/ply/ply.html

dabeaz.com

https://eli.thegreenplace.net/2008/10/18/implementing-cdecl-with-pycparser

eli.thegreenplace.net

https://eli.thegreenplace.net/tag/recursive-descent-parsing

eli.thegreenplace.net

https://eli.thegreenplace.net/2017/benefits-of-dependencies-in-software-projects-as-a-function-of-effort/

eli.thegreenplace.net

https://github.com/eliben/pycparser/issues/588

github.com

https://en.wikipedia.org/wiki/Lexer_hack

en.wikipedia.org

https://eli.thegreenplace.net/2011/05/02/the-context-sensitivity-of-cs-grammar-revisited

eli.thegreenplace.net

https://github.com/eliben/pycparser/pull/590

github.com

https://en.wikipedia.org/wiki/Potential_well

en.wikipedia.org

https://simonwillison.net/2025/Dec/31/the-year-in-llms/

simonwillison.net

https://github.com/eliben/pycparser/blob/main/tests/test_c_parser.py

github.com

https://github.com/python-cffi/cffi/pull/224

github.com

https://deps.dev/pypi/pycparser/3.0.0/dependents

deps.dev

https://github.com/python-cffi/cffi

github.com

https://eli.thegreenplace.net/2013/06/25/regex-based-lexical-analysis-in-python-and-javascript

eli.thegreenplace.net