// ECMA-262 12.2.9 Template Literals
public Node parseTemplateElement(Options option)
{
Node node;
Token token;
if (lookahead.type != TokenType.Template || (option.head && !lookahead.head))
{
throwUnexpectedToken();
}
node = new Node();
token = lex();
return node.finishTemplateElement(new Node() { raw = token.value }, token.tail);
//.raw, cooked= token.value.cooked }
}