--- /dev/null
+#ifndef _ANTLR3ERRORS_H\r
+#define _ANTLR3ERRORS_H\r
+\r
+// [The "BSD licence"]\r
+// Copyright (c) 2005-2009 Jim Idle, Temporal Wave LLC\r
+// http://www.temporal-wave.com\r
+// http://www.linkedin.com/in/jimidle\r
+//\r
+// All rights reserved.\r
+//\r
+// Redistribution and use in source and binary forms, with or without\r
+// modification, are permitted provided that the following conditions\r
+// are met:\r
+// 1. Redistributions of source code must retain the above copyright\r
+// notice, this list of conditions and the following disclaimer.\r
+// 2. Redistributions in binary form must reproduce the above copyright\r
+// notice, this list of conditions and the following disclaimer in the\r
+// documentation and/or other materials provided with the distribution.\r
+// 3. The name of the author may not be used to endorse or promote products\r
+// derived from this software without specific prior written permission.\r
+//\r
+// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\r
+// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES\r
+// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\r
+// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,\r
+// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\r
+// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF\r
+// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
+\r
+#define ANTLR3_SUCCESS 0\r
+#define ANTLR3_FAIL 1\r
+\r
+#define ANTLR3_TRUE 1\r
+#define ANTLR3_FALSE 0\r
+\r
+/** Indicates end of character stream and is an invalid Unicode code point. */\r
+#define ANTLR3_CHARSTREAM_EOF 0xFFFFFFFF\r
+\r
+/** Indicates memoizing on a rule failed.\r
+ */\r
+#define MEMO_RULE_FAILED 0xFFFFFFFE\r
+#define MEMO_RULE_UNKNOWN 0xFFFFFFFF\r
+\r
+\r
+#define ANTLR3_ERR_BASE 0\r
+#define ANTLR3_ERR_NOMEM (ANTLR3_ERR_BASE + 1)\r
+#define ANTLR3_ERR_NOFILE (ANTLR3_ERR_BASE + 2)\r
+#define ANTLR3_ERR_HASHDUP (ANTLR3_ERR_BASE + 3)\r
+\r
+#endif /* _ANTLR3ERRORS_H */\r