* parse.y (ripper): rename event: restparam -> rest_param.
* parse.y (ripper): rename event: constpath_* -> const_path_*.
* parse.y (ripper): rename event: topconst_* -> top_const_*.
* parse.y (ripper): rename event: iter_block -> method_add_block.
* parse.y (ripper): support block local parameter declaration.
* parse.y (ripper): introduce new macro params_new.
* ext/ripper/lib/ripper/sexp.rb: should not dispose event arguments whose name ends with "_new" but arity != 0.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13465 b2dd03c8-39d4-4d8f-98ff-823fe69b080e