Ruby_parser 3.0.0.a5 Released

ruby_parser version 3.0.0.a5 has been released!

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:

3.0.0.a5 / 2012-07-31

  • 5 bug fixes:

    • 1.9: Fix construction of ‘f(:x, y: nil,)’ w/ trailing comma.
    • 1.9: cleaned up lexing exit lex_state handling. Fixes bug parsing
      ‘if f :x; end’
    • 1.9: fixed building of right-leaning masgns: ‘f { |a, (b, c)| }’
    • 1.9: fixed lexing ‘when *splat’
    • 1.9: fixed lexing of regexps in whens

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