1 files changed, 34 insertions, 0 deletions
diff --git a/poxml/antlr/antlr/TreeParserSharedInputState.hpp b/poxml/antlr/antlr/TreeParserSharedInputState.hpp
new file mode 100644
index 00000000..8f7b0922
--- /dev/null
+++ b/poxml/antlr/antlr/TreeParserSharedInputState.hpp
@@ -0,0 +1,34 @@
+#ifndef INC_TreeParserSharedInputState_hpp__
+#define INC_TreeParserSharedInputState_hpp__
+
+#include "antlr/config.hpp"
+#include "antlr/RefCount.hpp"
+
+ANTLR_BEGIN_NAMESPACE(antlr)
+
+/** 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 TreeParserInputState {
+public:
+	TreeParserInputState();
+	~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;
+
+ANTLR_END_NAMESPACE
+
+#endif //INC_TreeParserSharedInputState_hpp__