Method check

lib/checkunusedfunctions.cpp:369–408

    } while (false)

bool CheckUnusedFunctions::check(const Settings& settings, ErrorLogger& errorLogger) const
{
    logChecker("CheckUnusedFunctions::check"); // unusedFunction

    // filename, fileindex, line, column
    using ErrorParams = std::tuple<std::string, nonneg int, nonneg int, nonneg int, std::string>;
    std::vector<ErrorParams> errors; // ensure well-defined order
    std::vector<ErrorParams> staticFunctionErrors;

    for (auto it = mFunctions.cbegin(); it != mFunctions.cend(); ++it) {
        const FunctionUsage &func = it->second;
        if (func.usedOtherFile || func.filename.empty())
            continue;
        if (settings.library.isentrypoint(it->first))
            continue;
        if (!func.usedSameFile) {
            if (isOperatorFunction(it->first))
                continue;
            std::string filename;
            if (func.filename != "+")
                filename = func.filename;
            errors.emplace_back(filename, func.fileIndex, func.lineNumber, func.column, it->first);
        } else if (func.isC && !func.isStatic) {
            std::string filename;
            if (func.filename != "+")
                filename = func.filename;
            staticFunctionErrors.emplace_back(filename, func.fileIndex, func.lineNumber, func.column, it->first);
        }
    }

    std::sort(errors.begin(), errors.end());
    for (const auto& e : errors)
        unusedFunctionError(errorLogger, std::get<0>(e), std::get<1>(e), std::get<2>(e), std::get<3>(e), std::get<4>(e));

    std::sort(staticFunctionErrors.begin(), staticFunctionErrors.end());
    for (const auto& e : staticFunctionErrors)
        staticFunctionError(errorLogger, std::get<0>(e), std::get<1>(e), std::get<2>(e), std::get<3>(e), std::get<4>(e));

    return !errors.empty();
}

void CheckUnusedFunctions::unusedFunctionError(ErrorLogger& errorLogger,
                                               const std::string &filename, nonneg int fileIndex, nonneg int lineNumber, nonneg int column,