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1 /* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
2  * Use of this file is governed by the BSD 3-clause license that
3  * can be found in the LICENSE.txt file in the project root.
4  */
5
6 #include "XPath.h"
7 #include "tree/ParseTree.h"
8 #include "tree/Trees.h"
9
10 #include "XPathWildcardAnywhereElement.h"
11
12 using namespace antlr4::tree;
13 using namespace antlr4::tree::xpath;
14
15 XPathWildcardAnywhereElement::XPathWildcardAnywhereElement() : XPathElement(XPath::WILDCARD) {
16 }
17
18 std::vector<ParseTree *> XPathWildcardAnywhereElement::evaluate(ParseTree *t) {
19   if (_invert) {
20     return {}; // !* is weird but valid (empty)
21   }
22   return Trees::getDescendants(t);
23 }