matz	2009-10-16 20:20:06 +0900 (Fri, 16 Oct 2009)

  New Revision: 25375

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=25375

  Log:
    * lib/delegate.rb (Delegator#method_missing): remove backtrace
      lines _until_ `method_missing'.

  Modified files:
    trunk/ChangeLog
    trunk/lib/delegate.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 25374)
+++ ChangeLog	(revision 25375)
@@ -1,3 +1,8 @@
+Fri Oct 16 20:18:28 2009  Yukihiro Matsumoto  <matz@r...>
+
+	* lib/delegate.rb (Delegator#method_missing): remove backtrace
+	  lines _until_ `method_missing'.
+
 Fri Oct 16 20:09:55 2009  Yukihiro Matsumoto  <matz@r...>
 
 	* lib/delegate.rb (Delegator#freeze): #freeze should freeze self
Index: lib/delegate.rb
===================================================================
--- lib/delegate.rb	(revision 25374)
+++ lib/delegate.rb	(revision 25375)
@@ -137,7 +137,9 @@
         target.__send__(m, *args, &block)
       end
     rescue Exception
-      $@.delete_if{|s| %r"\A#{Regexp.quote(__FILE__)}:\d+:in `method_missing'\z"o =~ s}
+      if i = $@.index{|s| %r"\A#{Regexp.quote(__FILE__)}:\d+:in `method_missing'\z"o =~ s}
+        $@[0..i] = []
+      end
       ::Kernel::raise
     end
   end

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