parse.y: named caputre into match_op_gen
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57576 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
parse.y: named caputre into match_op_gen
nodes. remove repeated conditions.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57576 b2dd03c8-39d4-4d8f-98ff-823fe69b080e