Method simplifyTemplateAliases

lib/templatesimplifier.cpp:1289–1413

}

void TemplateSimplifier::simplifyTemplateAliases()
{
    for (auto it1 = mTemplateDeclarations.cbegin(); it1 != mTemplateDeclarations.cend();) {
        const TokenAndName &aliasDeclaration = *it1;

        if (!aliasDeclaration.isAlias()) {
            ++it1;
            continue;
        }

        // alias parameters..
        std::vector<const Token *> aliasParameters;
        getTemplateParametersInDeclaration(aliasDeclaration.token()->tokAt(2), aliasParameters);
        std::map<std::string, unsigned int> aliasParameterNames;
        for (unsigned int argnr = 0; argnr < aliasParameters.size(); ++argnr)
            aliasParameterNames[aliasParameters[argnr]->str()] = argnr;

        // Look for alias usages..
        bool found = false;
        for (auto it2 = mTemplateInstantiations.cbegin(); it2 != mTemplateInstantiations.cend();) {
            const TokenAndName &aliasUsage = *it2;
            if (!aliasUsage.token() || aliasUsage.fullName() != aliasDeclaration.fullName()) {
                ++it2;
                continue;
            }

            // don't recurse
            if (aliasDeclaration.isAliasToken(aliasUsage.token())) {
                ++it2;
                continue;
            }

            std::vector<std::pair<Token *, Token *>> args;
            Token *tok2 = aliasUsage.token()->tokAt(2);
            while (tok2) {
                Token * const start = tok2;
                while (tok2 && !Token::Match(tok2, "[,>;{}]")) {
                    if (tok2->link() && Token::Match(tok2, "(|["))
                        tok2 = tok2->link();
                    else if (tok2->str() == "<") {
                        tok2 = tok2->findClosingBracket();
                        if (!tok2)
                            break;
                    }
                    tok2 = tok2->next();
                }

                args.emplace_back(start, tok2);
                if (tok2 && tok2->str() == ",") {
                    tok2 = tok2->next();
                } else {
                    break;
                }
            }
            if (!tok2 || tok2->str() != ">" ||
                (!aliasDeclaration.isVariadic() && (args.size() != aliasParameters.size())) ||
                (aliasDeclaration.isVariadic() && (args.size() < aliasParameters.size()))) {
                ++it2;