Function iscast

lib/tokenlist.cpp:485–555

}

static bool iscast(const Token *tok, bool cpp)
{
    if (!Token::Match(tok, "( ::| %name%"))
        return false;

    if (Token::simpleMatch(tok->link(), ") ( )"))
        return false;

    if (Token::Match(tok->link(), ") %assign%|,|..."))
        return false;

    if (tok->previous() && tok->previous()->isName() && !Token::Match(tok->previous(), "return|case") &&
        (!cpp || !Token::Match(tok->previous(), "delete|throw")))
        return false;

    if (Token::simpleMatch(tok->previous(), ">") && tok->linkAt(-1))
        return false;

    if (Token::Match(tok, "( (| typeof (") && Token::Match(tok->link(), ") %num%"))
        return true;

    if (Token::Match(tok->link(), ") }|)|]|;"))
        return false;

    if (Token::Match(tok->link(), ") ++|-- [;)]"))
        return false;

    if (Token::Match(tok->link(), ") %cop%") && !Token::Match(tok->link(), ") [&*+-~!]"))
        return false;

    if (Token::Match(tok->previous(), "= ( %name% ) {") && tok->next()->varId() == 0)
        return true;

    bool type = false;
    for (const Token *tok2 = tok->next(); tok2; tok2 = tok2->next()) {
        if (tok2->varId() != 0)
            return false;
        if (cpp && !type && tok2->str() == "new")
            return false;

        while (tok2->link() && Token::Match(tok2, "(|[|<"))
            tok2 = tok2->link()->next();

        if (tok2->str() == ")") {
            if (Token::simpleMatch(tok2, ") (") && Token::simpleMatch(tok2->linkAt(1), ") ."))
                return true;
            if (Token::simpleMatch(tok2, ") {") && !type) {
                const Token *tok3 = tok2->linkAt(1);
                while (tok3 != tok2 && Token::Match(tok3, "[{}]"))
                    tok3 = tok3->previous();
                return tok3->str() != ";";
            }
            const bool res = type || tok2->strAt(-1) == "*" || Token::simpleMatch(tok2, ") ~") ||
                             (Token::Match(tok2, ") %any%") &&
                              (!tok2->next()->isOp() || Token::Match(tok2->next(), "!|~|++|--")) &&
                              !Token::Match(tok2->next(), "[[]);,?:.]"));
            return res;
        }