Module glsl_lang::ast

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GLSL abstract syntax tree and grammar.

This module exports all the grammar syntax that defines GLSL. You’ll be handling ASTs representing your GLSL source.

The most external form of a GLSL parsed AST is TranslationUnit (a shader). Some parts of the tree are boxed. This is due to two facts:

  • Recursion is used, hence we need a way to give our types a static size.
  • Because of some very deep variants, runtime size would explode if no indirection weren’t in place.

The types are commented so feel free to inspect each of theme. As a starter, you should read the documentation of Expr, FunctionDefinition, Statement and TranslationUnit.

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