cppcheck/cli/cppcheckexecutor.cpp at main · JoyPoint/cppcheck · GitHub

History

519 lines (450 loc) · 18.1 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

360

361

362

363

364

365

366

367

368

369

370

371

372

373

374

375

376

377

378

379

380

381

382

383

384

385

386

387

388

389

390

391

392

393

394

395

396

397

398

399

400

401

402

403

404

405

406

407

408

409

410

411

412

413

414

415

416

417

418

419

420

421

422

423

424

425

426

427

428

429

430

431

432

433

434

435

436

437

438

439

440

441

442

443

444

445

446

447

448

449

450

451

452

453

454

455

456

457

458

459

460

461

462

463

464

465

466

467

468

469

470

471

472

473

474

475

476

477

478

479

480

481

482

483

484

485

486

487

488

489

490

491

492

493

494

495

496

497

498

499

500

501

502

503

504

505

506

507

508

509

510

511

512

513

514

515

516

517

518

* Cppcheck - A tool for static C/C++ code analysis

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <http://www.gnu.org/licenses/>.

#include "cppcheckexecutor.h"

#include "analyzerinfo.h"

#include "cmdlineparser.h"

#include "color.h"

#include "config.h"

#include "cppcheck.h"

#include "errortypes.h"

#include "filelister.h"

#include "importproject.h"

#include "library.h"

#include "path.h"

#include "pathmatch.h"

#include "settings.h"

#include "singleexecutor.h"

#include "suppressions.h"

#include "utils.h"

#include "checkunusedfunctions.h"

#if defined(THREADING_MODEL_THREAD)

#include "threadexecutor.h"

#elif defined(THREADING_MODEL_FORK)

#include "processexecutor.h"

#endif

#include <algorithm>

#include <cstdio>

#include <cstdlib> // EXIT_SUCCESS and EXIT_FAILURE

#include <functional>

#include <iostream>

#include <iterator>

#include <list>

#include <memory>

#include <sstream> // IWYU pragma: keep

#include <utility>

#include <vector>

#ifdef USE_UNIX_SIGNAL_HANDLING

#include "cppcheckexecutorsig.h"

#endif

#ifdef USE_WINDOWS_SEH

#include "cppcheckexecutorseh.h"

#endif

#ifdef _WIN32

#include <windows.h>

#endif

/*static*/ FILE* CppCheckExecutor::mExceptionOutput = stdout;

CppCheckExecutor::CppCheckExecutor()

: mSettings(nullptr), mLatestProgressOutputTime(0), mErrorOutput(nullptr), mShowAllErrors(false)

{}

CppCheckExecutor::~CppCheckExecutor()

{

delete mErrorOutput;

}

bool CppCheckExecutor::parseFromArgs(CppCheck *cppcheck, int argc, const char* const argv[])

{

Settings& settings = cppcheck->settings();

CmdLineParser parser(settings);

const bool success = parser.parseFromArgs(argc, argv);

if (success) {

if (parser.getShowVersion() && !parser.getShowErrorMessages()) {

if (!settings.cppcheckCfgProductName.empty()) {

std::cout << settings.cppcheckCfgProductName << std::endl;

} else {

const char * const extraVersion = CppCheck::extraVersion();

if (*extraVersion != 0)

std::cout << "Cppcheck " << CppCheck::version() << " ("

<< extraVersion << ')' << std::endl;

else

std::cout << "Cppcheck " << CppCheck::version() << std::endl;

}

if (parser.getShowErrorMessages()) {

mShowAllErrors = true;

std::cout << ErrorMessage::getXMLHeader(settings.cppcheckCfgProductName);

cppcheck->getErrorMessages();

std::cout << ErrorMessage::getXMLFooter() << std::endl;

}

if (parser.exitAfterPrinting()) {

Settings::terminate();

return true;

}

} else {

return false;

}

// Check that all include paths exist

{

for (std::list<std::string>::iterator iter = settings.includePaths.begin();

iter != settings.includePaths.end();

) {

const std::string path(Path::toNativeSeparators(*iter));

if (FileLister::isDirectory(path))

++iter;

else {

// If the include path is not found, warn user and remove the non-existing path from the list.

if (settings.severity.isEnabled(Severity::information))

std::cout << "(information) Couldn't find path given by -I '" << path << '\'' << std::endl;

iter = settings.includePaths.erase(iter);

}

// Output a warning for the user if he tries to exclude headers

const std::vector<std::string>& ignored = parser.getIgnoredPaths();

const bool warn = std::any_of(ignored.cbegin(), ignored.cend(), [](const std::string& i) {

return Path::isHeader(i);

});

if (warn) {

std::cout << "cppcheck: filename exclusion does not apply to header (.h and .hpp) files." << std::endl;

std::cout << "cppcheck: Please use --suppress for ignoring results from the header files." << std::endl;

}

const std::vector<std::string>& pathnames = parser.getPathNames();

#if defined(_WIN32)

// For Windows we want case-insensitive path matching

const bool caseSensitive = false;

#else

const bool caseSensitive = true;

#endif

if (!settings.project.fileSettings.empty() && !settings.fileFilters.empty()) {

// filter only for the selected filenames from all project files

std::list<ImportProject::FileSettings> newList;

const std::list<ImportProject::FileSettings>& fileSettings = settings.project.fileSettings;

std::copy_if(fileSettings.cbegin(), fileSettings.cend(), std::back_inserter(newList), [&](const ImportProject::FileSettings& fs) {

return matchglobs(settings.fileFilters, fs.filename);

});

if (!newList.empty())

settings.project.fileSettings = newList;

else {

std::cout << "cppcheck: error: could not find any files matching the filter." << std::endl;

return false;

}

} else if (!pathnames.empty()) {

// Execute recursiveAddFiles() to each given file parameter

const PathMatch matcher(ignored, caseSensitive);

for (const std::string &pathname : pathnames) {

std::string err = FileLister::recursiveAddFiles(mFiles, Path::toNativeSeparators(pathname), settings.library.markupExtensions(), matcher);

if (!err.empty()) {

std::cout << "cppcheck: " << err << std::endl;

}

if (mFiles.empty() && settings.project.fileSettings.empty()) {

std::cout << "cppcheck: error: could not find or open any of the paths given." << std::endl;

if (!ignored.empty())

std::cout << "cppcheck: Maybe all paths were ignored?" << std::endl;

return false;

} else if (!settings.fileFilters.empty() && settings.project.fileSettings.empty()) {

std::map<std::string, std::size_t> newMap;

for (std::map<std::string, std::size_t>::const_iterator i = mFiles.cbegin(); i != mFiles.cend(); ++i)

if (matchglobs(settings.fileFilters, i->first)) {

newMap[i->first] = i->second;

}

mFiles = newMap;

if (mFiles.empty()) {

std::cout << "cppcheck: error: could not find any files matching the filter." << std::endl;

return false;

}

return true;

}

int CppCheckExecutor::check(int argc, const char* const argv[])

{

CheckUnusedFunctions::clear();

CppCheck cppCheck(*this, true, executeCommand);

const Settings& settings = cppCheck.settings();

mSettings = &settings;

if (!parseFromArgs(&cppCheck, argc, argv)) {

mSettings = nullptr;

return EXIT_FAILURE;

}

if (Settings::terminated()) {

mSettings = nullptr;

return EXIT_SUCCESS;

}

int ret;

if (cppCheck.settings().exceptionHandling)

ret = check_wrapper(cppCheck);

else

ret = check_internal(cppCheck);

mSettings = nullptr;

return ret;

}

int CppCheckExecutor::check_wrapper(CppCheck& cppcheck)

{

#ifdef USE_WINDOWS_SEH

return check_wrapper_seh(*this, &CppCheckExecutor::check_internal, cppcheck);

#elif defined(USE_UNIX_SIGNAL_HANDLING)

return check_wrapper_sig(*this, &CppCheckExecutor::check_internal, cppcheck);

#else

return check_internal(cppcheck);

#endif

}

bool CppCheckExecutor::reportSuppressions(const Settings &settings, bool unusedFunctionCheckEnabled, const std::map<std::string, std::size_t> &files, ErrorLogger& errorLogger) {

const auto& suppressions = settings.nomsg.getSuppressions();

if (std::any_of(suppressions.begin(), suppressions.end(), [](const Suppressions::Suppression& s) {

return s.errorId == "unmatchedSuppression" && s.fileName.empty() && s.lineNumber == Suppressions::Suppression::NO_LINE;

}))

return false;

bool err = false;

if (settings.useSingleJob()) {

for (std::map<std::string, std::size_t>::const_iterator i = files.cbegin(); i != files.cend(); ++i) {

err |= errorLogger.reportUnmatchedSuppressions(

settings.nomsg.getUnmatchedLocalSuppressions(i->first, unusedFunctionCheckEnabled));

}

err |= errorLogger.reportUnmatchedSuppressions(settings.nomsg.getUnmatchedGlobalSuppressions(unusedFunctionCheckEnabled));

return err;

}

* That is a method which gets called from check_wrapper

* */

int CppCheckExecutor::check_internal(CppCheck& cppcheck)

{

Settings& settings = cppcheck.settings();

const bool std = tryLoadLibrary(settings.library, settings.exename, "std.cfg");

auto failed_lib = std::find_if(settings.libraries.begin(), settings.libraries.end(), [&](const std::string& lib) {

return !tryLoadLibrary(settings.library, settings.exename, lib.c_str());

});

if (failed_lib != settings.libraries.end()) {

const std::string msg("Failed to load the library " + *failed_lib);

const std::list<ErrorMessage::FileLocation> callstack;

ErrorMessage errmsg(callstack, emptyString, Severity::information, msg, "failedToLoadCfg", Certainty::normal);

reportErr(errmsg);

return EXIT_FAILURE;

}

if (!std) {

const std::list<ErrorMessage::FileLocation> callstack;

const std::string msg("Failed to load std.cfg. Your Cppcheck installation is broken, please re-install.");

#ifdef FILESDIR

const std::string details("The Cppcheck binary was compiled with FILESDIR set to \""

FILESDIR "\" and will therefore search for "

"std.cfg in " FILESDIR "/cfg.");

#else

const std::string cfgfolder(Path::fromNativeSeparators(Path::getPathFromFilename(settings.exename)) + "cfg");

const std::string details("The Cppcheck binary was compiled without FILESDIR set. Either the "

"std.cfg should be available in " + cfgfolder + " or the FILESDIR "

"should be configured.");

#endif

ErrorMessage errmsg(callstack, emptyString, Severity::information, msg+" "+details, "failedToLoadCfg", Certainty::normal);

reportErr(errmsg);

return EXIT_FAILURE;

}

if (settings.reportProgress)

mLatestProgressOutputTime = std::time(nullptr);

if (!settings.outputFile.empty()) {

mErrorOutput = new std::ofstream(settings.outputFile);

}

if (settings.xml) {

reportErr(ErrorMessage::getXMLHeader(settings.cppcheckCfgProductName));

}

if (!settings.buildDir.empty()) {

settings.loadSummaries();

std::list<std::string> fileNames;

for (std::map<std::string, std::size_t>::const_iterator i = mFiles.cbegin(); i != mFiles.cend(); ++i)

fileNames.emplace_back(i->first);

AnalyzerInformation::writeFilesTxt(settings.buildDir, fileNames, settings.userDefines, settings.project.fileSettings);

}

unsigned int returnValue = 0;

if (settings.useSingleJob()) {

// Single process

SingleExecutor executor(cppcheck, mFiles, settings, *this);

returnValue = executor.check();

} else {

#if defined(THREADING_MODEL_THREAD)

ThreadExecutor executor(mFiles, settings, *this);

#elif defined(THREADING_MODEL_FORK)

ProcessExecutor executor(mFiles, settings, *this);

#endif

returnValue = executor.check();

}

cppcheck.analyseWholeProgram(settings.buildDir, mFiles);

if (settings.severity.isEnabled(Severity::information) || settings.checkConfiguration) {

const bool err = reportSuppressions(settings, cppcheck.isUnusedFunctionCheckEnabled(), mFiles, *this);

if (err && returnValue == 0)

returnValue = settings.exitCode;

}

if (!settings.checkConfiguration) {

cppcheck.tooManyConfigsError(emptyString,0U);

}

if (settings.xml) {

reportErr(ErrorMessage::getXMLFooter());

}

if (returnValue)

return settings.exitCode;

return 0;

}

#ifdef _WIN32

// fix trac ticket #439 'Cppcheck reports wrong filename for filenames containing 8-bit ASCII'

static inline std::string ansiToOEM(const std::string &msg, bool doConvert)

{

if (doConvert) {

const unsigned msglength = msg.length();

// convert ANSI strings to OEM strings in two steps

std::vector<WCHAR> wcContainer(msglength);

std::string result(msglength, '\0');

// ansi code page characters to wide characters

MultiByteToWideChar(CP_ACP, 0, msg.data(), msglength, wcContainer.data(), msglength);

// wide characters to oem codepage characters

WideCharToMultiByte(CP_OEMCP, 0, wcContainer.data(), msglength, const_cast<char *>(result.data()), msglength, nullptr, nullptr);

return result; // hope for return value optimization

}

return msg;

}

#else

// no performance regression on non-windows systems

#define ansiToOEM(msg, doConvert) (msg)

#endif

void CppCheckExecutor::reportErr(const std::string &errmsg)

{

if (mErrorOutput)

*mErrorOutput << errmsg << std::endl;

else {

std::cerr << ansiToOEM(errmsg, (mSettings == nullptr) ? true : !mSettings->xml) << std::endl;

}

void CppCheckExecutor::reportOut(const std::string &outmsg, Color c)

{

if (c == Color::Reset)

std::cout << ansiToOEM(outmsg, true) << std::endl;

else

std::cout << c << ansiToOEM(outmsg, true) << Color::Reset << std::endl;

}

void CppCheckExecutor::reportProgress(const std::string &filename, const char stage[], const std::size_t value)

{

(void)filename;

if (!mLatestProgressOutputTime)

return;

// Report progress messages every 10 seconds

const std::time_t currentTime = std::time(nullptr);

if (currentTime >= (mLatestProgressOutputTime + 10)) {

mLatestProgressOutputTime = currentTime;

// format a progress message

std::ostringstream ostr;

ostr << "progress: "

<< stage

<< ' ' << value << '%';

// Report progress message

reportOut(ostr.str());

}

void CppCheckExecutor::reportErr(const ErrorMessage &msg)

{

if (mShowAllErrors) {

reportOut(msg.toXML());

return;

}

// Alert only about unique errors

if (!mShownErrors.insert(msg.toString(mSettings->verbose)).second)

return;

if (mSettings->xml)

reportErr(msg.toXML());

else

reportErr(msg.toString(mSettings->verbose, mSettings->templateFormat, mSettings->templateLocation));

}

void CppCheckExecutor::setExceptionOutput(FILE* exceptionOutput)

{

mExceptionOutput = exceptionOutput;

}

FILE* CppCheckExecutor::getExceptionOutput()

{

return mExceptionOutput;

}

bool CppCheckExecutor::tryLoadLibrary(Library& destination, const std::string& basepath, const char* filename)

{

const Library::Error err = destination.load(basepath.c_str(), filename);

if (err.errorcode == Library::ErrorCode::UNKNOWN_ELEMENT)

std::cout << "cppcheck: Found unknown elements in configuration file '" << filename << "': " << err.reason << std::endl;

else if (err.errorcode != Library::ErrorCode::OK) {

std::cout << "cppcheck: Failed to load library configuration file '" << filename << "'. ";

switch (err.errorcode) {

case Library::ErrorCode::OK:

break;

case Library::ErrorCode::FILE_NOT_FOUND:

std::cout << "File not found";

break;

case Library::ErrorCode::BAD_XML:

std::cout << "Bad XML";

break;

case Library::ErrorCode::UNKNOWN_ELEMENT:

std::cout << "Unexpected element";

break;

case Library::ErrorCode::MISSING_ATTRIBUTE:

std::cout << "Missing attribute";

break;

case Library::ErrorCode::BAD_ATTRIBUTE_VALUE:

std::cout << "Bad attribute value";

break;

case Library::ErrorCode::UNSUPPORTED_FORMAT:

std::cout << "File is of unsupported format version";

break;

case Library::ErrorCode::DUPLICATE_PLATFORM_TYPE:

std::cout << "Duplicate platform type";

break;

case Library::ErrorCode::PLATFORM_TYPE_REDEFINED:

std::cout << "Platform type redefined";

break;

}

if (!err.reason.empty())

std::cout << " '" + err.reason + "'";

std::cout << std::endl;

return false;

}

return true;

}

/**

* Execute a shell command and read the output from it. Returns true if command terminated successfully.

// cppcheck-suppress passedByValue - used as callback so we need to preserve the signature

// NOLINTNEXTLINE(performance-unnecessary-value-param) - used as callback so we need to preserve the signature

bool CppCheckExecutor::executeCommand(std::string exe, std::vector<std::string> args, std::string redirect, std::string &output_)

{

output_.clear();

std::string joinedArgs;

for (const std::string &arg : args) {

if (!joinedArgs.empty())

joinedArgs += " ";

if (arg.find(' ') != std::string::npos)

joinedArgs += '"' + arg + '"';

else

joinedArgs += arg;

}

#ifdef _WIN32

// Extra quoutes are needed in windows if filename has space

if (exe.find(" ") != std::string::npos)

exe = "\"" + exe + "\"";

const std::string cmd = exe + " " + joinedArgs + " " + redirect;

std::unique_ptr<FILE, decltype(&_pclose)> pipe(_popen(cmd.c_str(), "r"), _pclose);

#else

const std::string cmd = exe + " " + joinedArgs + " " + redirect;

std::unique_ptr<FILE, decltype(&pclose)> pipe(popen(cmd.c_str(), "r"), pclose);

#endif

if (!pipe)

return false;

char buffer[1024];

while (fgets(buffer, sizeof(buffer), pipe.get()) != nullptr)

output_ += buffer;

return true;

}

cppcheck/cli/cppcheckexecutor.cpp at main · JoyPoint/cppcheck · GitHub

Expand file tree

Breadcrumbs

cppcheckexecutor.cpp

Latest commit

History

Breadcrumbs

cppcheckexecutor.cpp

File metadata and controls