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diff --git a/antlr-3.4/runtime/ObjC/Framework/ANTLRLookaheadStream.h b/antlr-3.4/runtime/ObjC/Framework/ANTLRLookaheadStream.h
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+++ b/antlr-3.4/runtime/ObjC/Framework/ANTLRLookaheadStream.h
@@ -0,0 +1,77 @@
+//
+//  ANTLRLookaheadStream.h
+//  ANTLR
+//
+//  Created by Ian Michell on 26/04/2010.
+//  [The "BSD licence"]
+//  Copyright (c) 2010 Ian Michell 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 "ANTLRFastQueue.h"
+
+#define UNITIALIZED_EOF_ELEMENT_INDEX NSIntegerMax
+
+@interface ANTLRLookaheadStream : ANTLRFastQueue
+{
+    NSInteger index;
+	NSInteger eofElementIndex;
+	NSInteger lastMarker;
+	NSInteger markDepth;
+	id prevElement;
+	id eof;
+}
+
+@property (readwrite, retain, getter=getEof, setter=setEof:) id eof;
+@property (assign) NSInteger index;
+@property (assign, getter=getEofElementIndex, setter=setEofElementIndex:) NSInteger eofElementIndex;
+@property (assign, getter=getLastMarker, setter=setLastMarker:) NSInteger lastMarker;
+@property (assign, getter=getMarkDepth, setter=setMarkDepth:) NSInteger markDepth;
+@property (retain) id prevElement;
+
+- (id) initWithEOF:(id) obj;
+- (id) nextElement;
+- (id) remove;
+- (void) consume;
+- (void) sync:(NSInteger) need;
+- (void) fill:(NSInteger) n;
+- (id) LT:(NSInteger) i;
+- (id) LB:(NSInteger) i;
+- (id) getCurrentSymbol;
+- (NSInteger) mark;
+- (void) release:(NSInteger) marker;
+- (void) rewind:(NSInteger) marker;
+- (void) rewind;
+- (void) seek:(NSInteger) i;
+- (id) getEof;
+- (void) setEof:(id) anID;
+- (NSInteger) getEofElementIndex;
+- (void) setEofElementIndex:(NSInteger) anInt;
+- (NSInteger) getLastMarker;
+- (void) setLastMarker:(NSInteger) anInt;
+- (NSInteger) getMarkDepth;
+- (void) setMarkDepth:(NSInteger) anInt;
+
+@end