Method Function

lib/symboldatabase.cpp:2739–2855

}

Function::Function(const Token *tok,
                   const Scope *scope,
                   const Token *tokDef,
                   const Token *tokArgDef)
    : tokenDef(tokDef),
    argDef(tokArgDef),
    nestedIn(scope)
{
    // operator function
    if (::isOperator(tokenDef)) {
        isOperator(true);

        // 'operator =' is special
        if (tokenDef->str() == "operator=")
            type = FunctionType::eOperatorEqual;
    }

    else if (tokenDef->str() == "[") {
        type = FunctionType::eLambda;
    }

    // class constructor/destructor
    else if (scope->isClassOrStructOrUnion() &&
             ((tokenDef->str() == scope->className) ||
              (tokenDef->str().substr(0, scope->className.size()) == scope->className &&
               tokenDef->str().size() > scope->className.size() + 1 &&
               tokenDef->str()[scope->className.size() + 1] == '<'))) {
        // destructor
        if (tokenDef->strAt(-1) == "~") {
            type = FunctionType::eDestructor;
            isNoExcept(true);
        }
        // constructor of any kind
        else
            type = FunctionType::eConstructor;
    }

    const Token *tok1 = setFlags(tok, scope);

    // find the return type
    if (!isConstructor() && !isDestructor()) {
        // @todo auto type deduction should be checked
        // @todo attributes and exception specification can also precede trailing return type
        if (isTrailingReturnType(argDef->link()->next())) { // Trailing return type
            hasTrailingReturnType(true);
            if (argDef->link()->strAt(1) == ".")
                retDef = argDef->link()->tokAt(2);
            else if (argDef->link()->strAt(2) == ".")
                retDef = argDef->link()->tokAt(3);
            else if (argDef->link()->strAt(3) == ".")
                retDef = argDef->link()->tokAt(4);
        } else if (!isLambda()) {
            if (tok1->str() == ">")
                tok1 = tok1->next();
            while (Token::Match(tok1, "extern|virtual|static|friend|struct|union|enum"))
                tok1 = tok1->next();
            retDef = tok1;
        }