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| 13 | |
| 14 | #include "clang/Tooling/Tooling.h" |
| 15 | #include "clang/Basic/Diagnostic.h" |
| 16 | #include "clang/Basic/DiagnosticIDs.h" |
| 17 | #include "clang/Basic/DiagnosticOptions.h" |
| 18 | #include "clang/Basic/FileManager.h" |
| 19 | #include "clang/Basic/FileSystemOptions.h" |
| 20 | #include "clang/Basic/LLVM.h" |
| 21 | #include "clang/Driver/Compilation.h" |
| 22 | #include "clang/Driver/Driver.h" |
| 23 | #include "clang/Driver/Job.h" |
| 24 | #include "clang/Driver/Options.h" |
| 25 | #include "clang/Driver/Tool.h" |
| 26 | #include "clang/Driver/ToolChain.h" |
| 27 | #include "clang/Frontend/ASTUnit.h" |
| 28 | #include "clang/Frontend/CompilerInstance.h" |
| 29 | #include "clang/Frontend/CompilerInvocation.h" |
| 30 | #include "clang/Frontend/FrontendDiagnostic.h" |
| 31 | #include "clang/Frontend/FrontendOptions.h" |
| 32 | #include "clang/Frontend/TextDiagnosticPrinter.h" |
| 33 | #include "clang/Lex/HeaderSearchOptions.h" |
| 34 | #include "clang/Lex/PreprocessorOptions.h" |
| 35 | #include "clang/Tooling/ArgumentsAdjusters.h" |
| 36 | #include "clang/Tooling/CompilationDatabase.h" |
| 37 | #include "llvm/ADT/ArrayRef.h" |
| 38 | #include "llvm/ADT/IntrusiveRefCntPtr.h" |
| 39 | #include "llvm/ADT/SmallString.h" |
| 40 | #include "llvm/ADT/StringRef.h" |
| 41 | #include "llvm/ADT/Twine.h" |
| 42 | #include "llvm/Option/ArgList.h" |
| 43 | #include "llvm/Option/OptTable.h" |
| 44 | #include "llvm/Option/Option.h" |
| 45 | #include "llvm/Support/Casting.h" |
| 46 | #include "llvm/Support/Debug.h" |
| 47 | #include "llvm/Support/ErrorHandling.h" |
| 48 | #include "llvm/Support/FileSystem.h" |
| 49 | #include "llvm/Support/Host.h" |
| 50 | #include "llvm/Support/MemoryBuffer.h" |
| 51 | #include "llvm/Support/Path.h" |
| 52 | #include "llvm/Support/VirtualFileSystem.h" |
| 53 | #include "llvm/Support/raw_ostream.h" |
| 54 | #include <cassert> |
| 55 | #include <cstring> |
| 56 | #include <memory> |
| 57 | #include <string> |
| 58 | #include <system_error> |
| 59 | #include <utility> |
| 60 | #include <vector> |
| 61 | |
| 62 | #define DEBUG_TYPE "clang-tooling" |
| 63 | |
| 64 | using namespace clang; |
| 65 | using namespace tooling; |
| 66 | |
| 67 | ToolAction::~ToolAction() = default; |
| 68 | |
| 69 | FrontendActionFactory::~FrontendActionFactory() = default; |
| 70 | |
| 71 | |
| 72 | |
| 73 | |
| 74 | |
| 75 | |
| 76 | static driver::Driver * |
| 77 | newDriver(DiagnosticsEngine *Diagnostics, const char *BinaryName, |
| 78 | IntrusiveRefCntPtr<llvm::vfs::FileSystem> VFS) { |
| 79 | driver::Driver *CompilerDriver = |
| 80 | new driver::Driver(BinaryName, llvm::sys::getDefaultTargetTriple(), |
| 81 | *Diagnostics, std::move(VFS)); |
| 82 | CompilerDriver->setTitle("clang_based_tool"); |
| 83 | return CompilerDriver; |
| 84 | } |
| 85 | |
| 86 | |
| 87 | |
| 88 | |
| 89 | static const llvm::opt::ArgStringList *getCC1Arguments( |
| 90 | DiagnosticsEngine *Diagnostics, driver::Compilation *Compilation) { |
| 91 | |
| 92 | |
| 93 | const driver::JobList &Jobs = Compilation->getJobs(); |
| 94 | if (Jobs.size() != 1 || !isa<driver::Command>(*Jobs.begin())) { |
| 95 | SmallString<256> error_msg; |
| 96 | llvm::raw_svector_ostream error_stream(error_msg); |
| 97 | Jobs.Print(error_stream, "; ", true); |
| 98 | Diagnostics->Report(diag::err_fe_expected_compiler_job) |
| 99 | << error_stream.str(); |
| 100 | return nullptr; |
| 101 | } |
| 102 | |
| 103 | |
| 104 | const auto &Cmd = cast<driver::Command>(*Jobs.begin()); |
| 105 | if (StringRef(Cmd.getCreator().getName()) != "clang") { |
| 106 | Diagnostics->Report(diag::err_fe_expected_clang_command); |
| 107 | return nullptr; |
| 108 | } |
| 109 | |
| 110 | return &Cmd.getArguments(); |
| 111 | } |
| 112 | |
| 113 | namespace clang { |
| 114 | namespace tooling { |
| 115 | |
| 116 | |
| 117 | CompilerInvocation *newInvocation( |
| 118 | DiagnosticsEngine *Diagnostics, const llvm::opt::ArgStringList &CC1Args) { |
| 119 | (0) . __assert_fail ("!CC1Args.empty() && \"Must at least contain the program name!\"", "/home/seafit/code_projects/clang_source/clang/lib/Tooling/Tooling.cpp", 119, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(!CC1Args.empty() && "Must at least contain the program name!"); |
| 120 | CompilerInvocation *Invocation = new CompilerInvocation; |
| 121 | CompilerInvocation::CreateFromArgs( |
| 122 | *Invocation, CC1Args.data() + 1, CC1Args.data() + CC1Args.size(), |
| 123 | *Diagnostics); |
| 124 | Invocation->getFrontendOpts().DisableFree = false; |
| 125 | Invocation->getCodeGenOpts().DisableFree = false; |
| 126 | return Invocation; |
| 127 | } |
| 128 | |
| 129 | bool runToolOnCode(FrontendAction *ToolAction, const Twine &Code, |
| 130 | const Twine &FileName, |
| 131 | std::shared_ptr<PCHContainerOperations> PCHContainerOps) { |
| 132 | return runToolOnCodeWithArgs(ToolAction, Code, std::vector<std::string>(), |
| 133 | FileName, "clang-tool", |
| 134 | std::move(PCHContainerOps)); |
| 135 | } |
| 136 | |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | static std::vector<std::string> |
| 141 | getSyntaxOnlyToolArgs(const Twine &ToolName, |
| 142 | const std::vector<std::string> &, |
| 143 | StringRef FileName) { |
| 144 | std::vector<std::string> Args; |
| 145 | Args.push_back(ToolName.str()); |
| 146 | Args.push_back("-fsyntax-only"); |
| 147 | Args.insert(Args.end(), ExtraArgs.begin(), ExtraArgs.end()); |
| 148 | Args.push_back(FileName.str()); |
| 149 | return Args; |
| 150 | } |
| 151 | |
| 152 | namespace clang { |
| 153 | namespace tooling { |
| 154 | |
| 155 | bool runToolOnCodeWithArgs( |
| 156 | FrontendAction *ToolAction, const Twine &Code, |
| 157 | llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> VFS, |
| 158 | const std::vector<std::string> &Args, const Twine &FileName, |
| 159 | const Twine &ToolName, |
| 160 | std::shared_ptr<PCHContainerOperations> PCHContainerOps) { |
| 161 | SmallString<16> FileNameStorage; |
| 162 | StringRef FileNameRef = FileName.toNullTerminatedStringRef(FileNameStorage); |
| 163 | |
| 164 | llvm::IntrusiveRefCntPtr<FileManager> Files( |
| 165 | new FileManager(FileSystemOptions(), VFS)); |
| 166 | ArgumentsAdjuster Adjuster = getClangStripDependencyFileAdjuster(); |
| 167 | ToolInvocation Invocation( |
| 168 | getSyntaxOnlyToolArgs(ToolName, Adjuster(Args, FileNameRef), FileNameRef), |
| 169 | ToolAction, Files.get(), |
| 170 | std::move(PCHContainerOps)); |
| 171 | return Invocation.run(); |
| 172 | } |
| 173 | |
| 174 | bool runToolOnCodeWithArgs( |
| 175 | FrontendAction *ToolAction, const Twine &Code, |
| 176 | const std::vector<std::string> &Args, const Twine &FileName, |
| 177 | const Twine &ToolName, |
| 178 | std::shared_ptr<PCHContainerOperations> PCHContainerOps, |
| 179 | const FileContentMappings &VirtualMappedFiles) { |
| 180 | llvm::IntrusiveRefCntPtr<llvm::vfs::OverlayFileSystem> OverlayFileSystem( |
| 181 | new llvm::vfs::OverlayFileSystem(llvm::vfs::getRealFileSystem())); |
| 182 | llvm::IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> InMemoryFileSystem( |
| 183 | new llvm::vfs::InMemoryFileSystem); |
| 184 | OverlayFileSystem->pushOverlay(InMemoryFileSystem); |
| 185 | |
| 186 | SmallString<1024> CodeStorage; |
| 187 | InMemoryFileSystem->addFile(FileName, 0, |
| 188 | llvm::MemoryBuffer::getMemBuffer( |
| 189 | Code.toNullTerminatedStringRef(CodeStorage))); |
| 190 | |
| 191 | for (auto &FilenameWithContent : VirtualMappedFiles) { |
| 192 | InMemoryFileSystem->addFile( |
| 193 | FilenameWithContent.first, 0, |
| 194 | llvm::MemoryBuffer::getMemBuffer(FilenameWithContent.second)); |
| 195 | } |
| 196 | |
| 197 | return runToolOnCodeWithArgs(ToolAction, Code, OverlayFileSystem, Args, |
| 198 | FileName, ToolName); |
| 199 | } |
| 200 | |
| 201 | llvm::Expected<std::string> getAbsolutePath(llvm::vfs::FileSystem &FS, |
| 202 | StringRef File) { |
| 203 | StringRef RelativePath(File); |
| 204 | |
| 205 | if (RelativePath.startswith("./")) { |
| 206 | RelativePath = RelativePath.substr(strlen("./")); |
| 207 | } |
| 208 | |
| 209 | SmallString<1024> AbsolutePath = RelativePath; |
| 210 | if (auto EC = FS.makeAbsolute(AbsolutePath)) |
| 211 | return llvm::errorCodeToError(EC); |
| 212 | llvm::sys::path::native(AbsolutePath); |
| 213 | return AbsolutePath.str(); |
| 214 | } |
| 215 | |
| 216 | std::string getAbsolutePath(StringRef File) { |
| 217 | return llvm::cantFail(getAbsolutePath(*llvm::vfs::getRealFileSystem(), File)); |
| 218 | } |
| 219 | |
| 220 | void addTargetAndModeForProgramName(std::vector<std::string> &CommandLine, |
| 221 | StringRef InvokedAs) { |
| 222 | if (!CommandLine.empty() && !InvokedAs.empty()) { |
| 223 | bool AlreadyHasTarget = false; |
| 224 | bool AlreadyHasMode = false; |
| 225 | |
| 226 | for (auto Token = ++CommandLine.begin(); Token != CommandLine.end(); |
| 227 | ++Token) { |
| 228 | StringRef TokenRef(*Token); |
| 229 | AlreadyHasTarget |= |
| 230 | (TokenRef == "-target" || TokenRef.startswith("-target=")); |
| 231 | AlreadyHasMode |= (TokenRef == "--driver-mode" || |
| 232 | TokenRef.startswith("--driver-mode=")); |
| 233 | } |
| 234 | auto TargetMode = |
| 235 | driver::ToolChain::getTargetAndModeFromProgramName(InvokedAs); |
| 236 | if (!AlreadyHasMode && TargetMode.DriverMode) { |
| 237 | CommandLine.insert(++CommandLine.begin(), TargetMode.DriverMode); |
| 238 | } |
| 239 | if (!AlreadyHasTarget && TargetMode.TargetIsValid) { |
| 240 | CommandLine.insert(++CommandLine.begin(), {"-target", |
| 241 | TargetMode.TargetPrefix}); |
| 242 | } |
| 243 | } |
| 244 | } |
| 245 | |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | namespace { |
| 250 | |
| 251 | class SingleFrontendActionFactory : public FrontendActionFactory { |
| 252 | FrontendAction *Action; |
| 253 | |
| 254 | public: |
| 255 | SingleFrontendActionFactory(FrontendAction *Action) : Action(Action) {} |
| 256 | |
| 257 | FrontendAction *create() override { return Action; } |
| 258 | }; |
| 259 | |
| 260 | } |
| 261 | |
| 262 | ToolInvocation::ToolInvocation( |
| 263 | std::vector<std::string> CommandLine, ToolAction *Action, |
| 264 | FileManager *Files, std::shared_ptr<PCHContainerOperations> PCHContainerOps) |
| 265 | : CommandLine(std::move(CommandLine)), Action(Action), OwnsAction(false), |
| 266 | Files(Files), PCHContainerOps(std::move(PCHContainerOps)) {} |
| 267 | |
| 268 | ToolInvocation::ToolInvocation( |
| 269 | std::vector<std::string> CommandLine, FrontendAction *FAction, |
| 270 | FileManager *Files, std::shared_ptr<PCHContainerOperations> PCHContainerOps) |
| 271 | : CommandLine(std::move(CommandLine)), |
| 272 | Action(new SingleFrontendActionFactory(FAction)), OwnsAction(true), |
| 273 | Files(Files), PCHContainerOps(std::move(PCHContainerOps)) {} |
| 274 | |
| 275 | ToolInvocation::~ToolInvocation() { |
| 276 | if (OwnsAction) |
| 277 | delete Action; |
| 278 | } |
| 279 | |
| 280 | void ToolInvocation::mapVirtualFile(StringRef FilePath, StringRef Content) { |
| 281 | SmallString<1024> PathStorage; |
| 282 | llvm::sys::path::native(FilePath, PathStorage); |
| 283 | MappedFileContents[PathStorage] = Content; |
| 284 | } |
| 285 | |
| 286 | bool ToolInvocation::run() { |
| 287 | std::vector<const char*> Argv; |
| 288 | for (const std::string &Str : CommandLine) |
| 289 | Argv.push_back(Str.c_str()); |
| 290 | const char *const BinaryName = Argv[0]; |
| 291 | IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions(); |
| 292 | unsigned MissingArgIndex, MissingArgCount; |
| 293 | std::unique_ptr<llvm::opt::OptTable> Opts = driver::createDriverOptTable(); |
| 294 | llvm::opt::InputArgList ParsedArgs = Opts->ParseArgs( |
| 295 | ArrayRef<const char *>(Argv).slice(1), MissingArgIndex, MissingArgCount); |
| 296 | ParseDiagnosticArgs(*DiagOpts, ParsedArgs); |
| 297 | TextDiagnosticPrinter DiagnosticPrinter( |
| 298 | llvm::errs(), &*DiagOpts); |
| 299 | DiagnosticsEngine Diagnostics( |
| 300 | IntrusiveRefCntPtr<DiagnosticIDs>(new DiagnosticIDs()), &*DiagOpts, |
| 301 | DiagConsumer ? DiagConsumer : &DiagnosticPrinter, false); |
| 302 | |
| 303 | const std::unique_ptr<driver::Driver> Driver( |
| 304 | newDriver(&Diagnostics, BinaryName, &Files->getVirtualFileSystem())); |
| 305 | |
| 306 | |
| 307 | |
| 308 | |
| 309 | if (!Files->getFileSystemOpts().WorkingDir.empty()) |
| 310 | Driver->setCheckInputsExist(false); |
| 311 | const std::unique_ptr<driver::Compilation> Compilation( |
| 312 | Driver->BuildCompilation(llvm::makeArrayRef(Argv))); |
| 313 | if (!Compilation) |
| 314 | return false; |
| 315 | const llvm::opt::ArgStringList *const CC1Args = getCC1Arguments( |
| 316 | &Diagnostics, Compilation.get()); |
| 317 | if (!CC1Args) |
| 318 | return false; |
| 319 | std::unique_ptr<CompilerInvocation> Invocation( |
| 320 | newInvocation(&Diagnostics, *CC1Args)); |
| 321 | |
| 322 | for (const auto &It : MappedFileContents) { |
| 323 | |
| 324 | std::unique_ptr<llvm::MemoryBuffer> Input = |
| 325 | llvm::MemoryBuffer::getMemBuffer(It.getValue()); |
| 326 | Invocation->getPreprocessorOpts().addRemappedFile(It.getKey(), |
| 327 | Input.release()); |
| 328 | } |
| 329 | return runInvocation(BinaryName, Compilation.get(), std::move(Invocation), |
| 330 | std::move(PCHContainerOps)); |
| 331 | } |
| 332 | |
| 333 | bool ToolInvocation::runInvocation( |
| 334 | const char *BinaryName, driver::Compilation *Compilation, |
| 335 | std::shared_ptr<CompilerInvocation> Invocation, |
| 336 | std::shared_ptr<PCHContainerOperations> PCHContainerOps) { |
| 337 | |
| 338 | if (Invocation->getHeaderSearchOpts().Verbose) { |
| 339 | llvm::errs() << "clang Invocation:\n"; |
| 340 | Compilation->getJobs().Print(llvm::errs(), "\n", true); |
| 341 | llvm::errs() << "\n"; |
| 342 | } |
| 343 | |
| 344 | return Action->runInvocation(std::move(Invocation), Files, |
| 345 | std::move(PCHContainerOps), DiagConsumer); |
| 346 | } |
| 347 | |
| 348 | bool FrontendActionFactory::runInvocation( |
| 349 | std::shared_ptr<CompilerInvocation> Invocation, FileManager *Files, |
| 350 | std::shared_ptr<PCHContainerOperations> PCHContainerOps, |
| 351 | DiagnosticConsumer *DiagConsumer) { |
| 352 | |
| 353 | CompilerInstance Compiler(std::move(PCHContainerOps)); |
| 354 | Compiler.setInvocation(std::move(Invocation)); |
| 355 | Compiler.setFileManager(Files); |
| 356 | |
| 357 | |
| 358 | |
| 359 | |
| 360 | std::unique_ptr<FrontendAction> ScopedToolAction(create()); |
| 361 | |
| 362 | |
| 363 | Compiler.createDiagnostics(DiagConsumer, ); |
| 364 | if (!Compiler.hasDiagnostics()) |
| 365 | return false; |
| 366 | |
| 367 | Compiler.createSourceManager(*Files); |
| 368 | |
| 369 | const bool Success = Compiler.ExecuteAction(*ScopedToolAction); |
| 370 | |
| 371 | Files->clearStatCache(); |
| 372 | return Success; |
| 373 | } |
| 374 | |
| 375 | ClangTool::ClangTool(const CompilationDatabase &Compilations, |
| 376 | ArrayRef<std::string> SourcePaths, |
| 377 | std::shared_ptr<PCHContainerOperations> PCHContainerOps, |
| 378 | IntrusiveRefCntPtr<llvm::vfs::FileSystem> BaseFS) |
| 379 | : Compilations(Compilations), SourcePaths(SourcePaths), |
| 380 | PCHContainerOps(std::move(PCHContainerOps)), |
| 381 | OverlayFileSystem(new llvm::vfs::OverlayFileSystem(std::move(BaseFS))), |
| 382 | InMemoryFileSystem(new llvm::vfs::InMemoryFileSystem), |
| 383 | Files(new FileManager(FileSystemOptions(), OverlayFileSystem)) { |
| 384 | OverlayFileSystem->pushOverlay(InMemoryFileSystem); |
| 385 | appendArgumentsAdjuster(getClangStripOutputAdjuster()); |
| 386 | appendArgumentsAdjuster(getClangSyntaxOnlyAdjuster()); |
| 387 | appendArgumentsAdjuster(getClangStripDependencyFileAdjuster()); |
| 388 | } |
| 389 | |
| 390 | ClangTool::~ClangTool() = default; |
| 391 | |
| 392 | void ClangTool::mapVirtualFile(StringRef FilePath, StringRef Content) { |
| 393 | MappedFileContents.push_back(std::make_pair(FilePath, Content)); |
| 394 | } |
| 395 | |
| 396 | void ClangTool::appendArgumentsAdjuster(ArgumentsAdjuster Adjuster) { |
| 397 | ArgsAdjuster = combineAdjusters(std::move(ArgsAdjuster), std::move(Adjuster)); |
| 398 | } |
| 399 | |
| 400 | void ClangTool::clearArgumentsAdjusters() { |
| 401 | ArgsAdjuster = nullptr; |
| 402 | } |
| 403 | |
| 404 | static void injectResourceDir(CommandLineArguments &Args, const char *Argv0, |
| 405 | void *MainAddr) { |
| 406 | |
| 407 | for (StringRef Arg : Args) |
| 408 | if (Arg.startswith("-resource-dir")) |
| 409 | return; |
| 410 | |
| 411 | |
| 412 | Args.push_back("-resource-dir=" + |
| 413 | CompilerInvocation::GetResourcesPath(Argv0, MainAddr)); |
| 414 | } |
| 415 | |
| 416 | int ClangTool::run(ToolAction *Action) { |
| 417 | |
| 418 | |
| 419 | static int StaticSymbol; |
| 420 | |
| 421 | |
| 422 | |
| 423 | if (SeenWorkingDirectories.insert("/").second) |
| 424 | for (const auto &MappedFile : MappedFileContents) |
| 425 | if (llvm::sys::path::is_absolute(MappedFile.first)) |
| 426 | InMemoryFileSystem->addFile( |
| 427 | MappedFile.first, 0, |
| 428 | llvm::MemoryBuffer::getMemBuffer(MappedFile.second)); |
| 429 | |
| 430 | bool ProcessingFailed = false; |
| 431 | bool FileSkipped = false; |
| 432 | |
| 433 | |
| 434 | std::vector<std::string> AbsolutePaths; |
| 435 | AbsolutePaths.reserve(SourcePaths.size()); |
| 436 | for (const auto &SourcePath : SourcePaths) { |
| 437 | auto AbsPath = getAbsolutePath(*OverlayFileSystem, SourcePath); |
| 438 | if (!AbsPath) { |
| 439 | llvm::errs() << "Skipping " << SourcePath |
| 440 | << ". Error while getting an absolute path: " |
| 441 | << llvm::toString(AbsPath.takeError()) << "\n"; |
| 442 | continue; |
| 443 | } |
| 444 | AbsolutePaths.push_back(std::move(*AbsPath)); |
| 445 | } |
| 446 | |
| 447 | |
| 448 | std::string InitialWorkingDir; |
| 449 | if (RestoreCWD) { |
| 450 | if (auto CWD = OverlayFileSystem->getCurrentWorkingDirectory()) { |
| 451 | InitialWorkingDir = std::move(*CWD); |
| 452 | } else { |
| 453 | llvm::errs() << "Could not get working directory: " |
| 454 | << CWD.getError().message() << "\n"; |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | for (llvm::StringRef File : AbsolutePaths) { |
| 459 | |
| 460 | |
| 461 | |
| 462 | |
| 463 | |
| 464 | |
| 465 | |
| 466 | std::vector<CompileCommand> CompileCommandsForFile = |
| 467 | Compilations.getCompileCommands(File); |
| 468 | if (CompileCommandsForFile.empty()) { |
| 469 | llvm::errs() << "Skipping " << File << ". Compile command not found.\n"; |
| 470 | FileSkipped = true; |
| 471 | continue; |
| 472 | } |
| 473 | for (CompileCommand &CompileCommand : CompileCommandsForFile) { |
| 474 | |
| 475 | |
| 476 | |
| 477 | |
| 478 | |
| 479 | |
| 480 | |
| 481 | if (OverlayFileSystem->setCurrentWorkingDirectory( |
| 482 | CompileCommand.Directory)) |
| 483 | llvm::report_fatal_error("Cannot chdir into \"" + |
| 484 | Twine(CompileCommand.Directory) + "\n!"); |
| 485 | |
| 486 | |
| 487 | |
| 488 | |
| 489 | if (SeenWorkingDirectories.insert(CompileCommand.Directory).second) |
| 490 | for (const auto &MappedFile : MappedFileContents) |
| 491 | if (!llvm::sys::path::is_absolute(MappedFile.first)) |
| 492 | InMemoryFileSystem->addFile( |
| 493 | MappedFile.first, 0, |
| 494 | llvm::MemoryBuffer::getMemBuffer(MappedFile.second)); |
| 495 | |
| 496 | std::vector<std::string> CommandLine = CompileCommand.CommandLine; |
| 497 | if (ArgsAdjuster) |
| 498 | CommandLine = ArgsAdjuster(CommandLine, CompileCommand.Filename); |
| 499 | assert(!CommandLine.empty()); |
| 500 | |
| 501 | |
| 502 | |
| 503 | |
| 504 | |
| 505 | |
| 506 | |
| 507 | |
| 508 | |
| 509 | injectResourceDir(CommandLine, "clang_tool", &StaticSymbol); |
| 510 | |
| 511 | |
| 512 | |
| 513 | LLVM_DEBUG({ llvm::dbgs() << "Processing: " << File << ".\n"; }); |
| 514 | ToolInvocation Invocation(std::move(CommandLine), Action, Files.get(), |
| 515 | PCHContainerOps); |
| 516 | Invocation.setDiagnosticConsumer(DiagConsumer); |
| 517 | |
| 518 | if (!Invocation.run()) { |
| 519 | |
| 520 | llvm::errs() << "Error while processing " << File << ".\n"; |
| 521 | ProcessingFailed = true; |
| 522 | } |
| 523 | } |
| 524 | } |
| 525 | |
| 526 | if (!InitialWorkingDir.empty()) { |
| 527 | if (auto EC = |
| 528 | OverlayFileSystem->setCurrentWorkingDirectory(InitialWorkingDir)) |
| 529 | llvm::errs() << "Error when trying to restore working dir: " |
| 530 | << EC.message() << "\n"; |
| 531 | } |
| 532 | return ProcessingFailed ? 1 : (FileSkipped ? 2 : 0); |
| 533 | } |
| 534 | |
| 535 | namespace { |
| 536 | |
| 537 | class ASTBuilderAction : public ToolAction { |
| 538 | std::vector<std::unique_ptr<ASTUnit>> &ASTs; |
| 539 | |
| 540 | public: |
| 541 | ASTBuilderAction(std::vector<std::unique_ptr<ASTUnit>> &ASTs) : ASTs(ASTs) {} |
| 542 | |
| 543 | bool runInvocation(std::shared_ptr<CompilerInvocation> Invocation, |
| 544 | FileManager *Files, |
| 545 | std::shared_ptr<PCHContainerOperations> PCHContainerOps, |
| 546 | DiagnosticConsumer *DiagConsumer) override { |
| 547 | std::unique_ptr<ASTUnit> AST = ASTUnit::LoadFromCompilerInvocation( |
| 548 | Invocation, std::move(PCHContainerOps), |
| 549 | CompilerInstance::createDiagnostics(&Invocation->getDiagnosticOpts(), |
| 550 | DiagConsumer, |
| 551 | ), |
| 552 | Files); |
| 553 | if (!AST) |
| 554 | return false; |
| 555 | |
| 556 | ASTs.push_back(std::move(AST)); |
| 557 | return true; |
| 558 | } |
| 559 | }; |
| 560 | |
| 561 | } |
| 562 | |
| 563 | int ClangTool::buildASTs(std::vector<std::unique_ptr<ASTUnit>> &ASTs) { |
| 564 | ASTBuilderAction Action(ASTs); |
| 565 | return run(&Action); |
| 566 | } |
| 567 | |
| 568 | void ClangTool::setRestoreWorkingDir(bool RestoreCWD) { |
| 569 | this->RestoreCWD = RestoreCWD; |
| 570 | } |
| 571 | |
| 572 | namespace clang { |
| 573 | namespace tooling { |
| 574 | |
| 575 | std::unique_ptr<ASTUnit> |
| 576 | buildASTFromCode(StringRef Code, StringRef FileName, |
| 577 | std::shared_ptr<PCHContainerOperations> PCHContainerOps) { |
| 578 | return buildASTFromCodeWithArgs(Code, std::vector<std::string>(), FileName, |
| 579 | "clang-tool", std::move(PCHContainerOps)); |
| 580 | } |
| 581 | |
| 582 | std::unique_ptr<ASTUnit> buildASTFromCodeWithArgs( |
| 583 | StringRef Code, const std::vector<std::string> &Args, StringRef FileName, |
| 584 | StringRef ToolName, std::shared_ptr<PCHContainerOperations> PCHContainerOps, |
| 585 | ArgumentsAdjuster Adjuster) { |
| 586 | std::vector<std::unique_ptr<ASTUnit>> ASTs; |
| 587 | ASTBuilderAction Action(ASTs); |
| 588 | llvm::IntrusiveRefCntPtr<llvm::vfs::OverlayFileSystem> OverlayFileSystem( |
| 589 | new llvm::vfs::OverlayFileSystem(llvm::vfs::getRealFileSystem())); |
| 590 | llvm::IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> InMemoryFileSystem( |
| 591 | new llvm::vfs::InMemoryFileSystem); |
| 592 | OverlayFileSystem->pushOverlay(InMemoryFileSystem); |
| 593 | llvm::IntrusiveRefCntPtr<FileManager> Files( |
| 594 | new FileManager(FileSystemOptions(), OverlayFileSystem)); |
| 595 | |
| 596 | ToolInvocation Invocation( |
| 597 | getSyntaxOnlyToolArgs(ToolName, Adjuster(Args, FileName), FileName), |
| 598 | &Action, Files.get(), std::move(PCHContainerOps)); |
| 599 | |
| 600 | InMemoryFileSystem->addFile(FileName, 0, |
| 601 | llvm::MemoryBuffer::getMemBufferCopy(Code)); |
| 602 | if (!Invocation.run()) |
| 603 | return nullptr; |
| 604 | |
| 605 | assert(ASTs.size() == 1); |
| 606 | return std::move(ASTs[0]); |
| 607 | } |
| 608 | |
| 609 | } |
| 610 | } |
| 611 | |