Method checkUnusedLabel

lib/checkother.cpp:3746–3767

}

void CheckOtherImpl::checkUnusedLabel()
{
    if (!mSettings.severity.isEnabled(Severity::style) && !mSettings.severity.isEnabled(Severity::warning) && !mSettings.isPremiumEnabled("unusedLabel"))
        return;

    logChecker("CheckOther::checkUnusedLabel"); // style,warning

    const SymbolDatabase *symbolDatabase = mTokenizer->getSymbolDatabase();
    for (const Scope * scope : symbolDatabase->functionScopes) {
        const bool hasIfdef = mTokenizer->hasIfdef(scope->bodyStart, scope->bodyEnd);
        for (const Token* tok = scope->bodyStart; tok != scope->bodyEnd; tok = tok->next()) {
            if (!tok->scope()->isExecutable())
                tok = tok->scope()->bodyEnd;

            if (Token::Match(tok, "{|}|; %name% :") && !tok->tokAt(1)->isKeyword()) {
                const std::string tmp("goto " + tok->strAt(1));
                if (!Token::findsimplematch(scope->bodyStart->next(), tmp.c_str(), tmp.size(), scope->bodyEnd->previous()) && !tok->next()->isExpandedMacro())
                    unusedLabelError(tok->next(), tok->next()->scope()->type == ScopeType::eSwitch, hasIfdef);
            }
        }
    }
}

void CheckOtherImpl::unusedLabelError(const Token* tok, bool inSwitch, bool hasIfdef)
{