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/xpath/XPathWildcardAnywhereElement.cpp b/antlr4-cpp-runtime-4.9.2-source/runtime/src/tree/xpath/XPathWildcardAnywhereElement.cpp
new file mode 100644
index 0000000..4ff424f
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/tree/xpath/XPathWildcardAnywhereElement.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 "XPath.h"
+#include "tree/ParseTree.h"
+#include "tree/Trees.h"
+
+#include "XPathWildcardAnywhereElement.h"
+
+using namespace antlr4::tree;
+using namespace antlr4::tree::xpath;
+
+XPathWildcardAnywhereElement::XPathWildcardAnywhereElement() : XPathElement(XPath::WILDCARD) {
+}
+
+std::vector<ParseTree *> XPathWildcardAnywhereElement::evaluate(ParseTree *t) {
+  if (_invert) {
+    return {}; // !* is weird but valid (empty)
+  }
+  return Trees::getDescendants(t);
+}