ruby_parser version 3.13.1 has been released!
* home: <https://github.com/seattlerb/ruby_parser>
* bugs: <https://github.com/seattlerb/ruby_parser/issues>
* rdoc: <http://docs.seattlerb.org/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
return 1 if arg1 == 0
return 0
end
becomes:
s(:defn, :conditional1, s(:args, :arg1),
s(:if,
s(:call, s(:lvar, :arg1), :==, s(:lit, 0)),
s(:return, s(:lit, 1)),
nil),
s(:return, s(:lit, 0)))
Tested against 801,039 files from the latest of all rubygems (as of 2013-05):
* 1.8 parser is at 99.9739% accuracy, 3.651 sigma
* 1.9 parser is at 99.9940% accuracy, 4.013 sigma
* 2.0 parser is at 99.9939% accuracy, 4.008 sigma
Changes:
### 3.13.1 / 2019-03-25
* 1 major enhancement:
* Overhauled RubyLexer#lex_state to allow for multi-state value.
* 5 minor enhancements:
* Added RubyParser#current so scripts can poke around inside.
* Cleaned up and modernized bin/ruby_parse_extract_error.
* Removed RubyLexer#in_lex_state? in favor of State#=~ and #==.
* Renamed RubyLexer#in_arg_state? to is_after_operator?.
* Replaced all use of :expr_<*> symbols w/ bitfields.
* 15 bug fixes:
* Added tests to show #233 already fixed.
* Fixed a lexer state bug dealing with complex edge case in hash key w/ interpolated symbol and an array value. Not a great fix. (presidentbeef)
* Fixed a number of lex_state check problems.
* Fixed alias and undef keyword data.
* Fixed bug normalizing to utf-8 on tail of dstr (post-interpolation). (mvz)
* Fixed handling of hex chars for bare unicode escape. (mvz)
* Fixed handling of invalid string octals more gracefully. Needs generalization.
* Fixed lexing of regexps w/ backslashed unicode. I hope.
* Fixed parse_percent for EXPR_FITEM edge cases. Fixed bug #125.
* Fixed parsing of op_asgn on constants (eg ::X ||= 1).
* Fixed precedence of rescue modifier on assignments. (mvz/whitequark)
* Fixed some EXPR_FNAME edge cases.
* Fixed using unicode in gvars. Fixed bug 202. (331299)
* Handle invalid string literals more gracefully.
* Minor fix lexing %s[]