D13819.id.diff
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D13819.id.diff
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	diff --git a/src/parser/aast/api/AASTNode.php b/src/parser/aast/api/AASTNode.php
	--- a/src/parser/aast/api/AASTNode.php
	+++ b/src/parser/aast/api/AASTNode.php
	@@ -180,6 +180,16 @@
	return $tokens;
	}

	+ final public function isDescendantOf(AASTNode $node) {
	+ for ($it = $this; $it !== null; $it = $it->getParentNode()) {
	+ if ($it === $node) {
	+ return true;
	+ }
	+ }
	+
	+ return false;
	+ }
	+
	public function selectDescendantsOfType($type_name) {
	return $this->selectDescendantsOfTypes(array($type_name));
	}