public static Collection<ParseTree> findAll(ParseTree tree, String xpath, Parser parser) {
		XPath p = new XPath(parser, xpath);
		return p.evaluate(tree);
	}
Convert word like {@code *} or {@code ID} or {@code expr} to a path
element. {@code anywhere} is {@code true} if {@code //} precedes the
word.
runtime/Java/src/org/antlr/v4/runtime/tree/xpath/XPath.java