add antlr source code and ReadMeHEADmain

1 files changed, 23 insertions, 0 deletions

diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/tree/ErrorNodeImpl.cpp b/antlr4-cpp-runtime-4.9.2-source/runtime/src/tree/ErrorNodeImpl.cpp
new file mode 100644
index 0000000..fde942d
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/tree/ErrorNodeImpl.cpp
@@ -0,0 +1,23 @@
+/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
+ * Use of this file is governed by the BSD 3-clause license that
+ * can be found in the LICENSE.txt file in the project root.
+ */
+
+#include "Exceptions.h"
+#include "tree/ParseTreeVisitor.h"
+
+#include "tree/ErrorNodeImpl.h"
+
+using namespace antlr4;
+using namespace antlr4::misc;
+using namespace antlr4::tree;
+
+ErrorNodeImpl::ErrorNodeImpl(Token *token) : TerminalNodeImpl(token) {
+}
+
+ErrorNodeImpl::~ErrorNodeImpl() {
+}
+
+antlrcpp::Any ErrorNodeImpl::accept(ParseTreeVisitor *visitor) {
+  return visitor->visitErrorNode(this);
+}