Function getArgumentVars

lib/astutils.cpp:2446–2486

}

std::vector<const Variable*> getArgumentVars(const Token* tok, int argnr)
{
    if (!tok)
        return {};
    if (tok->function()) {
        const Variable* argvar = tok->function()->getArgumentVar(argnr);
        if (argvar)
            return {argvar};
        return {};
    }
    if (tok->variable() || Token::simpleMatch(tok, "{") || Token::Match(tok->previous(), "%type% (|{")) {
        const Type* type = Token::typeOf(tok);
        if (!type)
            return {};
        const Scope* typeScope = type->classScope;
        if (!typeScope)
            return {};
        const bool tokIsBrace = Token::simpleMatch(tok, "{");
        // Aggregate constructor
        if (tokIsBrace && typeScope->numConstructors == 0 && argnr < typeScope->varlist.size()) {
            auto it = std::next(typeScope->varlist.cbegin(), argnr);
            return {&*it};
        }
        std::vector<const Variable*> result;
        const int argCount = numberOfArguments(tok);
        const bool constructor = tokIsBrace || (tok->variable() && tok->variable()->nameToken() == tok);
        for (const Function &function : typeScope->functionList) {
            if (function.argCount() < argCount)
                continue;
            if (constructor && !function.isConstructor())
                continue;
            if (!constructor && !Token::simpleMatch(function.token, "operator()"))
                continue;
            const Variable* argvar = function.getArgumentVar(argnr);
            if (argvar)
                result.push_back(argvar);
        }
        return result;
    }
    return {};
}

static bool isCPPCastKeyword(const Token* tok)
{