k0kubun 67bb95936d Fix FrozenError on Ripper.slice ... Currently `Ripper.slice` raises a FrozenError ```ruby require 'ripper' p Ripper.slice('foo', 'ident') ``` ``` /path/to/g/lib/ruby/2.6.0/ripper/lexer.rb:193:in `concat': can't modify frozen String (FrozenError) from /path/to/g/lib/ruby/2.6.0/ripper/lexer.rb:193:in `block in compile' from /path/to/g/lib/ruby/2.6.0/ripper/lexer.rb:190:in `scan' from /path/to/g/lib/ruby/2.6.0/ripper/lexer.rb:190:in `compile' from /path/to/g/lib/ruby/2.6.0/ripper/lexer.rb:169:in `initialize' from /path/to/g/lib/ruby/2.6.0/ripper/lexer.rb:151:in `new' from /path/to/g/lib/ruby/2.6.0/ripper/lexer.rb:151:in `token_match' from /path/to/g/lib/ruby/2.6.0/ripper/lexer.rb:144:in `slice' from /tmp/tmp.kb4cnhvum2/test.rb:2:in `<main>' ``` This patch will fix the problem. [Fix GH-1837] From: Masataka Pocke Kuwabara <kuwabara@pocke.me> git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62743 b2dd03c8-39d4-4d8f-98ff-823fe69b080e		2018-03-13 12:56:04 +00:00
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ripper	Fix FrozenError on Ripper.slice	2018-03-13 12:56:04 +00:00
ripper.rb