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ruby-changes:53756

From: yui-knk <ko1@a...>
Date: Sun, 25 Nov 2018 21:31:43 +0900 (JST)
Subject: [ruby-changes:53756] yui-knk:r65973 (trunk): Fix locations of NODE_UNDEF in undef with multiple args

yui-knk	2018-11-25 21:31:35 +0900 (Sun, 25 Nov 2018)

  New Revision: 65973

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=65973

  Log:
    Fix locations of NODE_UNDEF in undef with multiple args
    
    * parse.y: Fix the beginning position of trailing NODE_UNDEF.
    
      e.g. The location of the NODE_UNDEF for `b` is fixed:
    
      ```
      undef a, b
      ```
    
      * Before
    
      ```
      NODE_UNDEF (line: 1, location: (1,6)-(1,10))
      ```
    
      * After
    
      ```
      NODE_UNDEF (line: 1, location: (1,9)-(1,10))
      ```

  Modified files:
    trunk/parse.y
Index: parse.y
===================================================================
--- parse.y	(revision 65972)
+++ parse.y	(revision 65973)
@@ -1784,7 +1784,7 @@ undef_list	: fitem https://github.com/ruby/ruby/blob/trunk/parse.y#L1784
 		| undef_list ',' {SET_LEX_STATE(EXPR_FNAME|EXPR_FITEM);} fitem
 		    {
 		    /*%%%*/
-			NODE *undef = NEW_UNDEF($4, &@$);
+			NODE *undef = NEW_UNDEF($4, &@4);
 			$$ = block_append(p, $1, undef);
 		    /*% %*/
 		    /*% ripper: rb_ary_push($1, get_value($4)) %*/

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