Top 13 lexer-parser Open-Source Projects

• catspeak-lang

  1 78 9.1 Game Maker Language

  A cross-platform modding language for GameMaker games.

• gosqlparser

  3 58 0.0 Go

  Simple SQL parser

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• well

  12 56 4.0 C

  The Future of Assembly Language. https://wellang.github.io/well/

  

• greenberry

  1 50 4.9 Python

  A one-line statement language with grammar and infinite look-ahead

• chris

  2 42 4.9 Go

  Pratt parser implementation in Go

• JuCC

  1 39 0.0 C++

  JuCC - Jadavpur University Compiler Compiler

• typeless

  4 17 10.0 Ruby

  an interpreter for λ-calculus implemented in ruby (by gurbaaz27)

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• QoLang

  1 12 0.0 QoLang

  The Qo Programming Language

  

• parsertl-playground

  1 11 9.5 GAP

  A web based playground for parsertl/lexertl

Project mention: Show HN: Yacc/Lex editor/tester online | news.ycombinator.com | 2023-09-07

I'm building an online yacc/lex (LALR(1)) grammar editor/tester to help develop/debug/document grammars, the main repository is here https://github.com/mingodad/parsertl-playground and the online playground with several non trivial examples is here https://mingodad.github.io/parsertl-playground/playground/ .

Select a grammar/example from "Examples" select box and then click "Parse" to see a parser tree for the source in "Input source" editor.

It's based on https://github.com/BenHanson/gram_grep and https://github.com/BenHanson/lexertl14 .

Any feedback is welcome !

The grammars available so far (with varying state of correctness):

- Ada parser

• cyclone

  3 7 0.0 C

  Cyclone Language Compiler fixes to build on recent operating systems (by mingodad)

• ptlex

  1 2 7.0 Tcl

  Lexer generator written in Tcl for Tcl, Python, Perl, R and Ruby

Project mention: Ptlex: Lexer Generator Written in Tcl for Tcl, Python, Perl, R and Ruby | news.ycombinator.com | 2024-03-19

• regex-to-smtlib

  1 1 5.8 Python

  A tool to translate regular expressions to smt-lib constraints

Project mention: Tool to convert regular expressions to equivalent SMT-LIB constraints | /r/formalmethods | 2023-06-15

So just took the lexer-parser implementation (https://www.dabeaz.com/ply/ , loved it!) and wrote a translator myself. Here is the link for the tool -> https://github.com/sgomber/regex-to-smtlib

• stringtime

  1 0 5.3 Python

  stringtime is a python3 lib to create Dates from phrases.

lexer-parser related posts

• The Fascinating Influence of the Cyclone Language

  1 project | news.ycombinator.com | 9 Feb 2023

• meet typeless, an interpreter for λ-calculus implemented in ruby

  1 project | /r/compsci | 28 Nov 2022

• meet typeless, an interpreter for untyped λ-calculus implemented in ruby

  1 project | /r/functionalprogramming | 28 Nov 2022

• meet typeless, an interpreter for λ-calculus implemented in ruby

  1 project | /r/lambdacalculus | 28 Nov 2022

• chris - Pratt parser implementation in Go for mathematical equations

  1 project | /r/SideProject | 26 Jul 2022

• A simple SQL parser in Go

  2 projects | /r/golang | 2 Dec 2021
• A note from our sponsor - InfluxDB
  www.influxdata.com | 4 May 2024

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