--- /dev/null
+/* ANTLR Translator Generator
+ * Project led by Terence Parr at http://www.jGuru.com
+ * Software rights: http://www.antlr.org/license.html
+ *
+ * $Id: //depot/code/org.antlr/release/antlr-2.7.7/lib/cpp/src/TreeParser.cpp#2 $
+ */
+
+#include "antlr/TreeParser.hpp"
+#include "antlr/ASTNULLType.hpp"
+#include <stdio.h>
+
+#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
+namespace antlr {
+#endif
+
+/** The AST Null object; the parsing cursor is set to this when
+ * it is found to be null. This way, we can test the
+ * token type of a node without having to have tests for null
+ * everywhere.
+ */
+RefAST TreeParser::ASTNULL(new ASTNULLType);
+
+/** Parser error-reporting function can be overridden in subclass */
+void TreeParser::reportError(const RecognitionException& ex)
+{
+ fprintf(stderr, "%s", (ex.toString() + "\n").c_str());
+}
+
+/** Parser error-reporting function can be overridden in subclass */
+void TreeParser::reportError(const ANTLR_USE_NAMESPACE(std)string& s)
+{
+ fprintf(stderr, "%s", ("error: " + s + "\n").c_str());
+}
+
+/** Parser warning-reporting function can be overridden in subclass */
+void TreeParser::reportWarning(const ANTLR_USE_NAMESPACE(std)string& s)
+{
+ fprintf(stderr, "%s", ("warning: " + s + "\n").c_str());
+}
+
+/** Procedure to write out an indent for traceIn and traceOut */
+void TreeParser::traceIndent()
+{
+ for( int i = 0; i < traceDepth; i++ )
+ printf(" ");
+}
+
+void TreeParser::traceIn(const char* rname, RefAST t)
+{
+ traceDepth++;
+ traceIndent();
+
+ printf("%s",((ANTLR_USE_NAMESPACE(std)string)"> " + rname
+ + "(" + (t ? t->toString().c_str() : "null") + ")"
+ + ((inputState->guessing>0)?" [guessing]":"")
+ + "\n").c_str());
+}
+
+void TreeParser::traceOut(const char* rname, RefAST t)
+{
+ traceIndent();
+
+ printf("%s",((ANTLR_USE_NAMESPACE(std)string)"< " + rname
+ + "(" + (t ? t->toString().c_str() : "null") + ")"
+ + ((inputState->guessing>0)?" [guessing]":"")
+ + "\n").c_str());
+
+ traceDepth--;
+}
+
+#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
+}
+#endif