Yantra is a C++ parser generator that creates a complete Abstract Syntax Tree (AST) before traversing it, allowing semantic actions to access parent nodes before children. It supports multiple walkers for different output languages from the same grammar, with features like integrated lexer mode support and C++23 compatibility.
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Useful for projects needing flexible AST manipulation and multiple output formats from a single grammar, though it's in early development.
The project involves using Jev to play Pokémon Red, a more complex game than Tetris. The developer has open-sourced the code for others to explore.
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