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diff --git a/lib/antlr/antlr/CharBuffer.h b/lib/antlr/antlr/CharBuffer.h
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+#ifndef INC_CharBuffer_h__
+#define INC_CharBuffer_h__
+
+/* ANTLR Translator Generator
+ * Project led by Terence Parr at http://www.jGuru.com
+ * Software rights: http://www.antlr.org/license.html
+ *
+ * $Id$
+ */
+
+#include <antlr/config.h>
+
+#include <istream>
+
+#include <antlr/InputBuffer.h>
+
+#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
+namespace antlr {
+#endif
+
+/**A Stream of characters fed to the lexer from a InputStream that can
+ * be rewound via mark()/rewind() methods.
+ * <p>
+ * A dynamic array is used to buffer up all the input characters.  Normally,
+ * "k" characters are stored in the buffer.  More characters may be stored
+ * during guess mode (testing syntactic predicate), or when LT(i>k) is
+ * referenced.
+ * Consumption of characters is deferred.  In other words, reading the next
+ * character is not done by consume(), but deferred until needed by LA or LT.
+ * <p>
+ *
+ * @see antlr.CharQueue
+ */
+
+class ANTLR_API CharBuffer : public InputBuffer {
+public:
+	/// Create a character buffer
+	CharBuffer( ANTLR_USE_NAMESPACE(std)istream& input );
+	/// Get the next character from the stream
+	int getChar();
+
+protected:
+	// character source
+	ANTLR_USE_NAMESPACE(std)istream& input;
+
+private:
+	// NOTE: Unimplemented
+	CharBuffer(const CharBuffer& other);
+	CharBuffer& operator=(const CharBuffer& other);
+};
+
+#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
+}
+#endif
+
+#endif //INC_CharBuffer_h__