add antlr source code and ReadMeHEADmain

1 files changed, 31 insertions, 0 deletions

diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/tree/xpath/XPathElement.cpp b/antlr4-cpp-runtime-4.9.2-source/runtime/src/tree/xpath/XPathElement.cpp
new file mode 100644
index 0000000..64b122d
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/tree/xpath/XPathElement.cpp
@@ -0,0 +1,31 @@
+/* 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 "support/CPPUtils.h"
+
+#include "XPathElement.h"
+
+using namespace antlr4::tree;
+using namespace antlr4::tree::xpath;
+
+XPathElement::XPathElement(const std::string &nodeName) {
+  _nodeName = nodeName;
+}
+
+XPathElement::~XPathElement() {
+}
+
+std::vector<ParseTree *> XPathElement::evaluate(ParseTree * /*t*/) {
+  return {};
+}
+
+std::string XPathElement::toString() const {
+  std::string inv = _invert ? "!" : "";
+  return antlrcpp::toString(*this) + "[" + inv + _nodeName + "]";
+}
+
+void XPathElement::setInvert(bool value) {
+  _invert = value;
+}