Method create

lib/summaries.cpp:38–96

std::string Summaries::create(const Tokenizer &tokenizer, const std::string &cfg, std::size_t fsFileId)
{
    const SymbolDatabase *symbolDatabase = tokenizer.getSymbolDatabase();
    const Settings &settings = tokenizer.getSettings();

    std::ostringstream ostr;
    for (const Scope *scope : symbolDatabase->functionScopes) {
        const Function *f = scope->function;
        if (!f)
            continue;

        // Summarize function
        std::set<std::string> noreturn;
        std::set<std::string> globalVars;
        std::set<std::string> calledFunctions;
        for (const Token* tok = scope->bodyStart; tok != scope->bodyEnd; tok = tok->next()) {
            if (tok->variable() && tok->variable()->isGlobal())
                globalVars.insert(tok->variable()->name());
            if (Token::Match(tok, "%name% (") && !Token::simpleMatch(tok->linkAt(1), ") {")) {
                calledFunctions.insert(tok->str());
                if (Token::simpleMatch(tok->linkAt(1), ") ; }"))
                    noreturn.insert(tok->str());
            }
        }

        // Write summary for function
        auto join = [](const std::set<std::string> &data) -> std::string {
            std::string ret;
            const char *sep = "";
            for (const std::string &d: data)
            {
                ret += sep + d;
                sep = ",";
            }
            return ret;
        };

        ostr << f->name();
        if (!globalVars.empty())
            ostr << " global:[" << join(globalVars) << "]";
        if (!calledFunctions.empty())
            ostr << " call:[" << join(calledFunctions) << "]";
        if (!noreturn.empty())
            ostr << " noreturn:[" << join(noreturn) << "]";
        ostr << std::endl;
    }

    if (!settings.buildDir.empty()) {
        std::string filename = AnalyzerInformation::getAnalyzerInfoFile(settings.buildDir, Path::simplifyPath(tokenizer.list.getSourceFilePath()), cfg, fsFileId);
        const std::string::size_type pos = filename.rfind(".a");
        if (pos != std::string::npos) {
            filename[pos+1] = 's';
            std::ofstream fout(filename);
            fout << ostr.str();
        }
    }

    return ostr.str();