parse.y: fix line number

* parse.y (parser_params): parser_tokline to track the line number at
  which token started.  [ruby-dev:46737] [Bug #7559]
* parse.y (fcall): operation with starting line number.
* parse.y (command, primary, method_call): point method name line.
* parse.y (gettable_gen): return token line for __LINE__.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38379 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,4 +1,4 @@
-Fri Dec 14 17:10:19 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Fri Dec 14 17:10:57 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* parse.y (parser_params): parser_tokline to track the line number at
 	  which token started.  [ruby-dev:46737] [Bug #7559]