GoKawiilDeveloper publishes tutorial for building a PostScript interpreter from scratch
A programmer has written a technical walkthrough explaining how to implement a simplified subset of the PostScript programming language. The guide covers tokenizing PostScript source code and building the operand and dictionary stacks that underpin the language's execution model, while skipping string handling and most error-handling for simplicity.
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The project reflects a broader interest among programmers in building understandable, 'human-scale' tools rather than relying solely on existing commercial interpreters like Ghostscript. Tutorials like this could help demystify how stack-based languages work internally, potentially encouraging more developers to build or audit their own interpreters for legacy or specialized formats.
- The tutorial implements a working subset of PostScript, not the full specification
- It focuses on PostScript as a general-purpose language rather than its graphics capabilities
- Key concepts covered include tokenization, the operand stack, and the dictionary stack
Source: beyondloom.com, 2026-11-13
Published there as: “Let's Write a PostScript Interpreter”
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