ruby_parser version 2.3.0 has been released!
* <https://github.com/seattlerb/ruby_parser>
ruby_parser (RP) is a ruby parser written in pure ruby (utilizing
racc--which does by default use a C extension). RP's output is
the same as ParseTree's output: s-expressions using ruby's arrays and
base types.
As an example:
def conditional1(arg1)
if arg1 == 0 then
return 1
end
return 0
end
becomes:
s(:defn, :conditional1,
s(:args, :arg1),
s(:scope,
s(:block,
s(:if,
s(:call, s(:lvar, :arg1), :==, s(:arglist, s(:lit, 0))),
s(:return, s(:lit, 1)),
nil),
s(:return, s(:lit, 0)))))
Changes:
### 2.3.0 / 2011-09-06
* 2 minor enhancements:
* Add -g flag to parser compile if DEBUG
* Lexer now embeds line number in yacc_value for keywords, helping fix up line numbers
* 3 bug fixes:
* Fix method line numbers when no args and no parens (quix)
* Fixed line numbers on return/break/next w/ result expr. (pjnz)
* Fixed some lexing state in order to parse: 'f (1), 2' as 'f(1, 2)'. (invernizzi)