setDeclarations example

if (($decl = $this->isolateContext(
                array("allowIn" => false), "parseVariableDeclarationList"
            )) &&
            ($varEndPosition = $this->scanner->getPosition()) &&
            $this->scanner->consume(";")
        ) {

            $init = $this->createNode(
                "VariableDeclaration", $varToken
            );
            $init->setKind($init::KIND_VAR);
            $init->setDeclarations($decl);
            $init = $this->completeNode($init, $varEndPosition);

            $test = $this->isolateContext(
                array("allowIn" => true), "parseExpression"
            );

            if ($this->scanner->consume(";")) {

                $update = $this->isolateContext(
                    array("allowIn" => true), "parseExpression"
                );