public Node parseClassDeclaration(bool identifierIsOptional)
{
Node id = null;
Node superClass = null;
Node classNode = new Node();
List<Node> classBody;
bool previousStrict = strict;
strict = true;
expectKeyword("class");
if (!identifierIsOptional || lookahead.type == TokenType.Identifier)
{
id = parseVariableIdentifier();
}
if (matchKeyword("extends"))
{
lex();
superClass = isolateCoverGrammar(parseLeftHandSideExpressionAllowCall);
}
classBody = new List<Node>() { parseClassBody() };
strict = previousStrict;
return classNode.finishClassDeclaration(id, superClass, classBody);
}
