Method getOverriddenFunctionRecursive

lib/symboldatabase.cpp:4889–4959

}

const Function * Function::getOverriddenFunctionRecursive(const ::Type* baseType, bool *foundAllBaseClasses) const
{
    // check each base class
    for (const ::Type::BaseInfo & i : baseType->derivedFrom) {
        const ::Type* derivedFromType = i.type;
        // check if base class exists in database
        if (!derivedFromType || !derivedFromType->classScope) {
            if (foundAllBaseClasses)
                *foundAllBaseClasses = false;
            continue;
        }

        const Scope *parent = derivedFromType->classScope;

        // check if function defined in base class
        auto range = parent->functionMap.equal_range(tokenDef->str());
        for (auto it = range.first; it != range.second; ++it) {
            const Function * func = it->second;
            if (func->isImplicitlyVirtual()) { // Base is virtual and of same name
                const Token *temp1 = func->tokenDef->previous();
                const Token *temp2 = tokenDef->previous();
                bool match = true;

                // check for matching return parameters
                while (!Token::Match(temp1, "virtual|public:|private:|protected:|{|}|;")) {
                    if (temp1->str() != temp2->str() &&
                        !(temp1->type() && temp2->type() && temp2->type()->isDerivedFrom(temp1->type()->name()))) {
                        match = false;
                        break;
                    }

                    temp1 = temp1->previous();
                    temp2 = temp2->previous();
                }

                // check for matching function parameters
                match = match && argsMatch(baseType->classScope, func->argDef, argDef, "", 0);

                // check for matching cv-ref qualifiers
                match = match
                        && isConst() == func->isConst()
                        && isVolatile() == func->isVolatile()
                        && hasRvalRefQualifier() == func->hasRvalRefQualifier()
                        && hasLvalRefQualifier() == func->hasLvalRefQualifier();

                // it's a match
                if (match) {
                    return func;
                }
            }
        }

        if (isDestructor()) {
            auto it = std::find_if(parent->functionList.begin(), parent->functionList.end(), [](const Function& f) {
                return f.isDestructor() && f.isImplicitlyVirtual();
            });
            if (it != parent->functionList.end())
                return &*it;