matz	2008-06-26 00:49:17 +0900 (Thu, 26 Jun 2008)

  New Revision: 17574

  Modified files:
    trunk/ChangeLog
    trunk/parse.y

  Log:
    * parse.y (primary): not operand might be empty.  [ruby-dev:35227]

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/parse.y?r1=17574&r2=17573&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=17574&r2=17573&diff_format=u

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 17573)
+++ ChangeLog	(revision 17574)
@@ -1,3 +1,7 @@
+Thu Jun 26 00:48:31 2008  Yukihiro Matsumoto  <matz@r...>
+
+	* parse.y (primary): not operand might be empty.  [ruby-dev:35227]
+
 Wed Jun 25 21:54:34 2008  Yukihiro Matsumoto  <matz@r...>
 
 	* parse.y (primary): make functional-style not operator to act
Index: parse.y
===================================================================
--- parse.y	(revision 17573)
+++ parse.y	(revision 17574)
@@ -2621,6 +2621,14 @@
 			$$ = dispatch2(unary, ripper_intern("not"), $3);
 		    %*/
 		    }
+		| keyword_not '(' rparen
+		    {
+		    /*%%%*/
+			$$ = NEW_LIT(Qtrue);
+		    /*%
+			$$ = dispatch2(unary, ripper_intern("not"), Qnil);
+		    %*/
+		    }
 		| operation brace_block
 		    {
 		    /*%%%*/

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