From 68fff3881d0146ede526401eecfcebf60f2d5495 Mon Sep 17 00:00:00 2001
From: ayumin <ayumin@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 7 Jan 2012 13:40:21 +0000
Subject: merge revision(s) 34202:

	* lib/rexml/parsers/baseparser.rb: rexml BaseParser uses
	  instance_eval unnecessarily on listener add.
	  patch from Charles Nutter. [Bug #5696] [ruby-core:41437]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@34223 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/rexml/parsers/baseparser.rb | 22 +++++++++-------------
 1 file changed, 9 insertions(+), 13 deletions(-)

(limited to 'lib')

diff --git a/lib/rexml/parsers/baseparser.rb b/lib/rexml/parsers/baseparser.rb
index 0f1480b07d..44b7f1639c 100644
--- a/lib/rexml/parsers/baseparser.rb
+++ b/lib/rexml/parsers/baseparser.rb
@@ -114,22 +114,10 @@ module REXML
 
       def initialize( source )
         self.stream = source
+        @listeners = []
       end
 
       def add_listener( listener )
-        if !defined?(@listeners) or !@listeners
-          @listeners = []
-          instance_eval <<-EOL
-            alias :_old_pull :pull
-            def pull
-              event = _old_pull
-              @listeners.each do |listener|
-                listener.receive event
-              end
-              event
-            end
-          EOL
-        end
         @listeners << listener
       end
 
@@ -192,6 +180,14 @@ module REXML
 
       # Returns the next event.  This is a +PullEvent+ object.
       def pull
+        _pull_inner.tap do |event|
+          @listeners.each do |listener|
+            listener.receive event
+          end
+        end
+      end
+
+      def _pull_inner
         if @closed
           x, @closed = @closed, nil
           return [ :end_element, x ]
-- 
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