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= Racc
* https://github.com/ruby/racc
== DESCRIPTION:
Racc is a LALR(1) parser generator.
It is written in Ruby itself, and generates Ruby program.
== Requirement
* Ruby 2.5 or later.
== Installation
gem install:
$ gem install racc
setup.rb install:
Type this in the top directory of the extracted archive:
$ ruby setup.rb config
$ ruby setup.rb setup
($ su)
# ruby setup.rb install
You can install Racc into your favorite directory by giving
options to setup.rb. e.g.
$ ruby setup.rb config --prefix=/usr
For details, try "ruby setup.rb --help".
If you don't have C Compiler
----------------------------
You can install Racc without C compilers. Type following
command in config phase.
$ ruby setup.rb config --without-ext
== 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/'.
== License
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
aamine@loveruby.net
http://i.loveruby.net
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