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diff --git a/antlr-3.4/runtime/ObjC/ANTLR.framework/Versions/Current/Headers/ANTLRTreeRewriter.h b/antlr-3.4/runtime/ObjC/ANTLR.framework/Versions/Current/Headers/ANTLRTreeRewriter.h
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+++ b/antlr-3.4/runtime/ObjC/ANTLR.framework/Versions/Current/Headers/ANTLRTreeRewriter.h
@@ -0,0 +1,72 @@
+//
+// ANTLRTreeRewriter.h
+// ANTLR
+//
+// Created by Alan Condit on 6/17/10.
+// [The "BSD licence"]
+// Copyright (c) 2010 Alan Condit
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// 3. The name of the author may not be used to endorse or promote products
+// derived from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#import <Cocoa/Cocoa.h>
+#import "ANTLRTreeParser.h"
+
+@interface ANTLRfptr : NSObject {
+ id actor;
+ SEL ruleSEL;
+}
+
++ (ANTLRfptr *)newANTLRfptrWithRule:(SEL)aRuleAction withObject:(id)anObject;
+-initWithRule:(SEL)ruleAction withObject:(id)anObject;
+
+- (id)rule;
+
+@end
+
+@interface ANTLRTreeRewriter : ANTLRTreeParser {
+ BOOL showTransformations;
+ id<ANTLRTokenStream> originalTokenStream;
+ id<ANTLRTreeAdaptor> originalAdaptor;
+ ANTLRfptr *rule;
+ ANTLRfptr *topdown_fptr;
+ ANTLRfptr *bottomup_ftpr;
+}
+
++ (ANTLRTreeRewriter *) newANTLRTreeRewriter:(id<ANTLRTreeNodeStream>)anInput;
++ (ANTLRTreeRewriter *) newANTLRTreeRewriter:(id<ANTLRTreeNodeStream>)anInput State:(ANTLRRecognizerSharedState *)aState;
+- (id)initWithStream:(id<ANTLRTreeNodeStream>)anInput;
+- (id)initWithStream:(id<ANTLRTreeNodeStream>)anInput State:(ANTLRRecognizerSharedState *)aState;
+- (ANTLRTreeRewriter *) applyOnce:(id<ANTLRTree>)t Rule:(ANTLRfptr *)whichRule;
+- (ANTLRTreeRewriter *) applyRepeatedly:(id<ANTLRTree>)t Rule:(ANTLRfptr *)whichRule;
+- (ANTLRTreeRewriter *) downup:(id<ANTLRTree>)t;
+- (ANTLRTreeRewriter *) pre:(id<ANTLRTree>)t;
+- (ANTLRTreeRewriter *) post:(id<ANTLRTree>)t;
+- (ANTLRTreeRewriter *) downup:(id<ANTLRTree>)t XForm:(BOOL)aShowTransformations;
+- (void)reportTransformation:(id<ANTLRTree>)oldTree Tree:(id<ANTLRTree>)newTree;
+- (ANTLRTreeRewriter *) topdown_fptr;
+- (ANTLRTreeRewriter *) bottomup_ftpr;
+- (ANTLRTreeRewriter *) topdown;
+- (ANTLRTreeRewriter *) bottomup;
+
+@end