Top 7 C++ Grammar Projects

PEGTL

12 1,861 7.2 C++

Parsing Expression Grammar Template Library

Project mention: Show HN: Matcheroni, a tiny C++20 header library for building lexers/parsers | news.ycombinator.com | 2023-07-06

Very cool, and I like the name!
I'd be interested in reading about how Matcheroni compares with PEGTL and Lexy.
https://github.com/taocpp/PEGTL
lexy

19 947 7.7 C++

C++ parsing DSL

Project mention: Why are strings and IO so complicated? | /r/cpp | 2023-12-07

lexy (https://lexy.foonathan.net/)
WorkOS

workos.com
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ExprTK

10 566 0.0 C++

C++ Mathematical Expression Parsing And Evaluation Library https://www.partow.net/programming/exprtk/index.html
ctpg

8 447 4.3 C++

Compile Time Parser Generator is a C++ single header library which takes a language description as a C++ code and turns it into a LR1 table parser with a deterministic finite automaton lexical analyzer, all in compile time.
tree-sitter-markdown

5 171 0.0 C++

Markdown grammar for tree-sitter (by ikatyang)
parsergen

1 6 0.0 C++

Self-hosted parser/scanner generator from LR grammar with semantic annotations in C++20 (by buck-yeh)
ccom

1 4 0.0 C++

⚙️ Compiler for the CCom (Conditional Comments) language
InfluxDB

www.influxdata.com
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NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-12-07.