lex

A high-performance C++ regex library and lexical analyzer generator with Unicode support. Extends Flex++ with Unicode support, indent/dedent anchors, lazy quantifiers, functions for lex and syntax error reporting and more. Seamlessly integrates with Bison and other parsers.

bison flex compiler regex regular-expression fuzzy-matching lex pcre lexer lexer-generator regex-pattern regular-expressions graphviz-dot lexical-analyzer regex-library regex-engine flex-regex

UpdatedMar 1, 2025
C++

softdevteam /grmtools

Star534

Rust grammar tool libraries and binaries

rust parser generator grammar lex lexer yacc error-recovery lr

UpdatedMar 16, 2025
Rust

timtadh /lexmachine

Star410

Lex machinary for go.

go tokenizer regular-expression lex lexer nfa dfa lexical-analysis-engines lexical-analysis-framework

UpdatedJul 15, 2022
Go

stardust95 /TinyCompiler

Star251

c compiler based on flex(lex), bison(yacc) and LLVM, supports LLVM IR and obj code generation. 基于flex，bison以及LLVM，使用c++11实现的类C语法编译器, 支持生成中间代码及可执行文件.

bison flex compiler llvm lex yacc llvm-ir

UpdatedJun 12, 2017
C++

crabcamp /lexrank

Star231

LexRank algorithm for text summarization

algorithm text lex rank summarization summary markov-chains summarizer lexrank

UpdatedApr 14, 2024
Python

here-be /snapdragon

Star226

snapdragon is an extremely pluggable, powerful and easy-to-use parser-renderer factory.

nodejs javascript parser node parse compiler ast render lex compile lexer token source-map tokenize

UpdatedMar 14, 2023
JavaScript

fsprojects /FsLexYacc

Star216

Lexer and parser generators for F#

parser fsharp lex lexer yacc

UpdatedJan 13, 2025
F#

arcsysu /SYsU-lang

Star214

A mini, simple and modular compiler for SYsU/SysY(tiny C). Based on Clang/LLVM/ANTLR4/Bison/Flex.

parser bison flex compiler llvm antlr clang lex antlr4 lexer yacc llvm-ir sysy

UpdatedNov 27, 2024
C

Uyouii /cCompiler

Star186

c语言编译器，用 lex 和 yacc 工具完成词法分析与语法分析并生成语法树，C++实现了语法树的解析并生成中间代码，生成中间代码的过程中实现了错误检测。C++实现了中间代码的优化操作。之后利用 python 对中间代码进行处理并生成 mips 汇编码并且可以成功在 PCSpim（mips 模拟器）上运行。

c compiler mips python3 lex cpp11 yacc

UpdatedSep 22, 2017
C

plyara /plyara

Star181

Parse YARA rules and operate over them more easily.

python parser python3 lex ply lexer yacc yara sly yara-rules yara-parser yara-x

UpdatedFeb 6, 2025
Python

lesscpy /lesscpy

Star144

Python LESS compiler

css python less compiler lex ply yacc

UpdatedSep 23, 2023
Less

AnjaneyaTripathi /c-compiler

Star132

A compiler that accepts any valid program written in C. It is made using Lex and Yacc. Returns a symbol table, parse tree, annotated syntax tree and intermediate code.

c parser frontend compiler ast lex syntax-tree lexical-analysis yacc symbol-table semantic-analysis compiler-construction intermediate-code-generation parse-tree