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+/** \file
+ * Abstraction of Common tree to provide payload and string representation of node.
+ *
+ * \todo May not need this in the end
+ */
+
+#ifndef ANTLR3_PARSETREE_H
+#define ANTLR3_PARSETREE_H
+
+// [The "BSD licence"]
+// Copyright (c) 2005-2009 Jim Idle, Temporal Wave LLC
+// http://www.temporal-wave.com
+// http://www.linkedin.com/in/jimidle
+//
+// 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.
+
+#include <antlr3basetree.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct ANTLR3_PARSE_TREE_struct
+{
+ /** Any interface that implements methods in this interface
+ * may need to point back to itself using this pointer to its
+ * super structure.
+ */
+ void * super;
+
+ /** The payload that the parse tree node passes around
+ */
+ void * payload;
+
+ /** An encapsulated BASE TREE strcuture (NOT a pointer)
+ * that perfoms a lot of the dirty work of node management
+ */
+ ANTLR3_BASE_TREE baseTree;
+
+ /** How to dup this node
+ */
+ pANTLR3_BASE_TREE (*dupNode) (struct ANTLR3_PARSE_TREE_struct * tree);
+
+ /** Return the type of this node
+ */
+ ANTLR3_UINT32 (*getType) (struct ANTLR3_PARSE_TREE_struct * tree);
+
+ /** Return the string representation of the payload (must be installed
+ * when the payload is added and point to a function that knwos how to
+ * manifest a pANTLR3_STRING from a node.
+ */
+ pANTLR3_STRING (*toString) (struct ANTLR3_PARSE_TREE_struct * payload);
+
+ void (*free) (struct ANTLR3_PARSE_TREE_struct * tree);
+
+}
+ ANTLR3_PARSE_TREE;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif