Racc is a LALR(1) parser generator. It is written in Ruby itself, and generates Ruby program.
* Ruby 2.5 or later.
gem install: $ gem install racc
Testing Racc¶ ↑
Racc comes with simple calculator. To compile this, on shell: $ racc -o calc calc.y This process costs few seconds (or less). Then type: $ ruby calc ... Does it work? For details of Racc, see HTML documents placed under 'doc/en/' and sample grammar files under 'sample/'.
Release flow¶ ↑
Update VERSION number of these files
Release as a gem by
rake releasewith CRuby and JRuby because Racc gem provides 2 packages
Create new release on GitHub
Racc is distributed under the same terms of ruby. (see the file COPYING). Note that you do NOT need to follow ruby license for your own parser (racc outputs). You can distribute those files under any licenses you want.
Bug Reports¶ ↑
Any kind of bug report is welcome. If you find a bug of Racc, please report an issue at https://github.com/ruby/racc/issues. Your grammar file, debug output generated by "racc -g", are helpful. Minero Aoki firstname.lastname@example.org http://i.loveruby.net