~bitfehler/re2hare

Experimental fork of re2c with Hare support
Basic support for Hare as output language
bc3a1c27 — Ulya Trofimovich 1 year, 11 months ago
Use unsigned character type in the lexers, enable -Wold-style-cast.
89a46790 — Ulya Trofimovich 1 year, 11 months ago
Disable -Wc++98-compat-pedantic with -Weverything (as re2c uses C++11).

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https://git.sr.ht/~bitfehler/re2hare
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git@git.sr.ht:~bitfehler/re2hare

You can also use your local clone with git send-email.

#DESCRIPTION

re2c is a free and open-source lexer generator for C/C++, Go and Rust.

Its main goal is generating fast lexers: at least as fast as their reasonably optimized hand-coded counterparts. Instead of using traditional table-driven approach, re2c encodes the generated finite state automata directly in the form of conditional jumps and comparisons. The resulting programs are faster and often smaller than their table-driven analogues, and they are much easier to debug and understand. re2c applies quite a few optimizations in order to speed up and compress the generated code.

Another distinctive feature is its flexible interface: instead of assuming a fixed program template, re2c lets the programmer write most of the interface code and adapt the generated lexer to any particular environment.

#DOCUMENTATION

Official re2c website is re2c.org. It has a lot of examples.

#DOWNLOAD

Release tarballs: https://github.com/skvadrik/re2c/releases

Source code:

$ git clone https://github.com/skvadrik/re2c.git
$ git clone https://git.code.sf.net/p/re2c/code-git

Github is the main repo, sourceforge is a mirror and can be slightly outdated.

#CONTRIBUTING

re2c is an Open Source, community-driven project. See CONTRIBUTING.md for details about contributions to this repository.

#BUILD

See BUILD.md or the online docs for instructions how to build re2c.

#FEEDBACK

Bugtracker:

Mailing lists:

IRC channels:

  • irc.oftc.net/#re2c
  • irc.libera.chat/#re2c

You are welcome to ask for help or share your thoughts and ideas.

#AUTHORS

re2c was originally written by Peter Bumbulis peter@csg.uwaterloo.ca. Since then many volunteers have contributed to the project. The current maintainer is Ulya Trofimovich skvadrik@gmail.com.