Most popular ast repositories and open source projects
A grammar describes the syntax of a programming language, and might be defined in Backus-Naur form (BNF). A lexer performs lexical analysis, turning text into tokens. A parser takes tokens and builds a data structure like an abstract syntax tree (AST). The parser is concerned with context: does the sequence of tokens fit the grammar? A compiler is a combined lexer and parser, built for a specific grammar.
Haskell-Lambda-Evaluator-Type-Checker-Expession-Evaluator
Haskell Type Language parsing, token generation, type checker, express...
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js-scope-syntax-highlighting
A JavaScript syntax highlighter that detects variable and function by...
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Compiler-Theory-And-Practice
Implementation of a Java compiler for a small programming language
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