Function isConstExpression

lib/astutils.cpp:2126–2146

}

bool isConstExpression(const Token *tok, const Library& library)
{
    if (!tok)
        return true;
    if (tok->variable() && tok->variable()->isVolatile())
        return false;
    if (tok->isName() && tok->strAt(1) == "(") {
        if (!isConstFunctionCall(tok, library))
            return false;
    }
    if (tok->tokType() == Token::eIncDecOp)
        return false;
    if (tok->isAssignmentOp())
        return false;
    if (isLikelyStreamRead(tok))
        return false;
    // bailout when we see ({..})
    if (tok->str() == "{")
        return false;
    return isConstExpression(tok->astOperand1(), library) && isConstExpression(tok->astOperand2(), library);
}

bool isWithoutSideEffects(const Token* tok, bool checkArrayAccess, bool checkReference)
{