Method simplifyTypedef

lib/tokenize.cpp:1045–1162

}

void Tokenizer::simplifyTypedef()
{
    // Simplify global typedefs that are not redefined with the fast 1-pass simplification.
    // Then use the slower old typedef simplification.
    std::map<std::string, std::set<std::string>> numberOfTypedefs;
    for (Token* tok = list.front(); tok; tok = tok->next()) {
        if (tok->str() == "typedef") {
            TypedefSimplifier ts(tok);
            if (ts.fail() || !ts.nameToken())
                continue;
            std::string existing_data_type;
            for (const Token* t = ts.getTypedefToken()->next(); t != ts.endToken(); t = t->next()) {
                if (t != ts.nameToken())
                    existing_data_type += t->str() + " ";
            }
            numberOfTypedefs[ts.name()].emplace(std::move(existing_data_type));
            continue;
        }
    }

    int indentlevel = 0;
    std::map<std::string, TypedefSimplifier> typedefs;
    std::map<int, std::string> inType;
    for (Token* tok = list.front(); tok; tok = tok->next()) {
        if (!tok->isName()) {
            if (tok->str()[0] == '{') {
                ++indentlevel;
                if (const Token* typeStart = isClassStructUnionEnumStart(tok)) {
                    inType.emplace(indentlevel, typeStart->strAt(1));
                }
            }
            else if (tok->str()[0] == '}') {
                inType.erase(indentlevel);
                --indentlevel;
            }
            continue;
        }

        if (indentlevel == 0 && tok->str() == "typedef") {
            TypedefSimplifier ts(tok);
            if (!ts.fail() && numberOfTypedefs[ts.name()].size() == 1) {
                if (mSettings.severity.isEnabled(Severity::portability) && ts.isInvalidConstFunctionType(typedefs))
                    invalidConstFunctionTypeError(tok->next());
                typedefs.emplace(ts.name(), ts);
                if (!ts.isStructEtc())
                    tok = ts.endToken();
            }
            continue;
        }

        auto it = typedefs.find(tok->str());
        if (it != typedefs.end() && it->second.canReplace(tok) && !matchCurrentType(tok, inType)) {
            std::set<std::string> r;
            std::string originalname;
            while (it != typedefs.end() && r.insert(tok->str()).second) {
                if (originalname.empty())
                    originalname = tok->str();
                it->second.replace(tok, originalname);