From: Michel Demazure <michel@...>
Date: 2010-01-18T12:44:58+09:00
Subject: Re: racc error on new 1.9 hash syntax

Aaron Patterson wrote:
> On Sun, Jan 17, 2010 at 12:37:42AM +0900, Michel Demazure wrote:
>> racc 1.4.6 does not understand when parsing " in: value "
>> 
>> F:/Ruby19/lib/ruby/gems/1.9.1/gems/racc-1.4.6/lib/racc/parser.rb:347:in
>> `on_error':  (Racc::ParseError)
>> parse error on value "in" (kIN)
> 
> Racc doesn't actually understand how to parse anything.  Someone must
> write a grammar that racc uses to generate a parser.
> 
> You are seeing an error with the grammar file, not with Racc.  What gem
> are you using where you see this error?  Can we get a larger stack
> trace?

Thanks for your answer.

It comes from flog via ruby-parser (flay gives the same error):

F:/Ruby19/lib/ruby/gems/1.9.1/gems/racc-1.4.6/lib/racc/parser.rb:347:in 
`on_error':  (Racc::ParseError)
parse error on value "in" (kIN)
        from 
F:/Ruby19/lib/ruby/gems/1.9.1/gems/racc-1.4.6/lib/racc/parser.rb:99:in 
`_racc_do_parse_c'
        from 
F:/Ruby19/lib/ruby/gems/1.9.1/gems/racc-1.4.6/lib/racc/parser.rb:99:in 
`do_parse'
        from 
F:/Ruby19/lib/ruby/gems/1.9.1/gems/ruby_parser-2.0.4/lib/ruby_parser_extras.rb:749:in 
`process'
        from 
F:/Ruby19/lib/ruby/gems/1.9.1/gems/flog-2.4.0/lib/flog.rb:176:in `block 
in flog'
        from 
F:/Ruby19/lib/ruby/gems/1.9.1/gems/flog-2.4.0/lib/flog.rb:170:in `each'
        from 
F:/Ruby19/lib/ruby/gems/1.9.1/gems/flog-2.4.0/lib/flog.rb:170:in `flog'
        from 
F:/Ruby19/lib/ruby/gems/1.9.1/gems/flog-2.4.0/bin/flog:11:in `<top 
(required)>'
        from F:/Ruby19/bin/flog:19:in `load'
        from F:/Ruby19/bin/flog:19:in `<main>'
Of course, 'in' is also a keyword. When using a key which is not a 
keyword, the error happens when parsing the colon.

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