1 files changed, 45 insertions, 0 deletions
diff --git a/lib/antlr/antlr/TreeParserSharedInputState.h b/lib/antlr/antlr/TreeParserSharedInputState.h
new file mode 100644
index 00000000..3eb95641
--- /dev/null
+++ b/lib/antlr/antlr/TreeParserSharedInputState.h
@@ -0,0 +1,45 @@
+#ifndef INC_TreeParserSharedInputState_h__
+#define INC_TreeParserSharedInputState_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 <antlr/RefCount.h>
+
+#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
+namespace antlr {
+#endif
+
+/** This object contains the data associated with an
+ *  input AST.  Multiple parsers
+ *  share a single TreeParserSharedInputState to parse
+ *  the same tree or to have the parser walk multiple
+ *  trees.
+ */
+class ANTLR_API TreeParserInputState {
+public:
+	TreeParserInputState() : guessing(0) {}
+	virtual ~TreeParserInputState() {}
+
+public:
+	/** Are we guessing (guessing>0)? */
+	int guessing; //= 0;
+
+private:
+	// we don't want these:
+	TreeParserInputState(const TreeParserInputState&);
+	TreeParserInputState& operator=(const TreeParserInputState&);
+};
+
+typedef RefCount<TreeParserInputState> TreeParserSharedInputState;
+
+#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
+}
+#endif
+
+#endif //INC_TreeParserSharedInputState_h__