Eli Bendersky 12/10/2025

Revisiting "Let's Build a Compiler"

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This article revisits Jack Crenshaw's classic "Let's Build a Compiler" tutorial series. The author explores why this 35-year-old Pascal/68000 assembly tutorial remains influential and details their project to meticulously translate it into Python, targeting WebAssembly instead. It includes code examples and insights from the translation process, providing a modern, runnable companion to the original educational material.

Revisiting "Let's Build a Compiler"

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