// ECMA-262 13.10 The return statement
public Node parseReturnStatement(Node node)
{
Node argument = null;
expectKeyword("return");
if (!state.inFunctionBody)
{
tolerateError(Messages.IllegalReturn);
}
// "return" followed by a space and an identifier is very common.
if (source.ToCharArray()[lastIndex] == 0x20)
{
if (isIdentifierStart(source.ToCharArray()[lastIndex + 1]))
{
argument = parseExpression();
consumeSemicolon();
return node.finishReturnStatement(argument);
}
}
if (hasLineTerminator)
{
// HACK
return node.finishReturnStatement(null);
}
if (!match(";"))
{
if (!match("}") && lookahead.type != TokenType.EOF)
{
argument = parseExpression();
}
}
consumeSemicolon();
return node.finishReturnStatement(argument);
}