clang 19.0.0git
ARCMT.cpp
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1//===--- ARCMT.cpp - Migration to ARC mode --------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
10#include "Internals.h"
23#include "llvm/Support/MemoryBuffer.h"
24#include "llvm/TargetParser/Triple.h"
25#include <utility>
26using namespace clang;
27using namespace arcmt;
28
30 SourceRange range) {
31 if (range.isInvalid())
32 return false;
33
34 bool cleared = false;
35 ListTy::iterator I = List.begin();
36 while (I != List.end()) {
37 FullSourceLoc diagLoc = I->getLocation();
38 if ((IDs.empty() || // empty means clear all diagnostics in the range.
39 llvm::is_contained(IDs, I->getID())) &&
40 !diagLoc.isBeforeInTranslationUnitThan(range.getBegin()) &&
41 (diagLoc == range.getEnd() ||
42 diagLoc.isBeforeInTranslationUnitThan(range.getEnd()))) {
43 cleared = true;
44 ListTy::iterator eraseS = I++;
45 if (eraseS->getLevel() != DiagnosticsEngine::Note)
46 while (I != List.end() && I->getLevel() == DiagnosticsEngine::Note)
47 ++I;
48 // Clear the diagnostic and any notes following it.
49 I = List.erase(eraseS, I);
50 continue;
51 }
52
53 ++I;
54 }
55
56 return cleared;
57}
58
60 SourceRange range) const {
61 if (range.isInvalid())
62 return false;
63
64 ListTy::const_iterator I = List.begin();
65 while (I != List.end()) {
66 FullSourceLoc diagLoc = I->getLocation();
67 if ((IDs.empty() || // empty means any diagnostic in the range.
68 llvm::is_contained(IDs, I->getID())) &&
69 !diagLoc.isBeforeInTranslationUnitThan(range.getBegin()) &&
70 (diagLoc == range.getEnd() ||
71 diagLoc.isBeforeInTranslationUnitThan(range.getEnd()))) {
72 return true;
73 }
74
75 ++I;
76 }
77
78 return false;
79}
80
82 for (ListTy::const_iterator I = List.begin(), E = List.end(); I != E; ++I)
83 Diags.Report(*I);
84}
85
87 for (ListTy::const_iterator I = List.begin(), E = List.end(); I != E; ++I)
88 if (I->getLevel() >= DiagnosticsEngine::Error)
89 return true;
90
91 return false;
92}
93
94namespace {
95
96class CaptureDiagnosticConsumer : public DiagnosticConsumer {
97 DiagnosticsEngine &Diags;
98 DiagnosticConsumer &DiagClient;
99 CapturedDiagList &CapturedDiags;
100 bool HasBegunSourceFile;
101public:
102 CaptureDiagnosticConsumer(DiagnosticsEngine &diags,
103 DiagnosticConsumer &client,
104 CapturedDiagList &capturedDiags)
105 : Diags(diags), DiagClient(client), CapturedDiags(capturedDiags),
106 HasBegunSourceFile(false) { }
107
108 void BeginSourceFile(const LangOptions &Opts,
109 const Preprocessor *PP) override {
110 // Pass BeginSourceFile message onto DiagClient on first call.
111 // The corresponding EndSourceFile call will be made from an
112 // explicit call to FinishCapture.
113 if (!HasBegunSourceFile) {
114 DiagClient.BeginSourceFile(Opts, PP);
115 HasBegunSourceFile = true;
116 }
117 }
118
119 void FinishCapture() {
120 // Call EndSourceFile on DiagClient on completion of capture to
121 // enable VerifyDiagnosticConsumer to check diagnostics *after*
122 // it has received the diagnostic list.
123 if (HasBegunSourceFile) {
124 DiagClient.EndSourceFile();
125 HasBegunSourceFile = false;
126 }
127 }
128
129 ~CaptureDiagnosticConsumer() override {
130 assert(!HasBegunSourceFile && "FinishCapture not called!");
131 }
132
133 void HandleDiagnostic(DiagnosticsEngine::Level level,
134 const Diagnostic &Info) override {
137 if (Info.getLocation().isValid())
138 CapturedDiags.push_back(StoredDiagnostic(level, Info));
139 return;
140 }
141
142 // Non-ARC warnings are ignored.
143 Diags.setLastDiagnosticIgnored(true);
144 }
145};
146
147} // end anonymous namespace
148
149static bool HasARCRuntime(CompilerInvocation &origCI) {
150 // This duplicates some functionality from Darwin::AddDeploymentTarget
151 // but this function is well defined, so keep it decoupled from the driver
152 // and avoid unrelated complications.
153 llvm::Triple triple(origCI.getTargetOpts().Triple);
154
155 if (triple.isiOS())
156 return triple.getOSMajorVersion() >= 5;
157
158 if (triple.isWatchOS())
159 return true;
160
161 if (triple.getOS() == llvm::Triple::Darwin)
162 return triple.getOSMajorVersion() >= 11;
163
164 if (triple.getOS() == llvm::Triple::MacOSX) {
165 return triple.getOSVersion() >= VersionTuple(10, 7);
166 }
167
168 return false;
169}
170
171static CompilerInvocation *
173 const PCHContainerReader &PCHContainerRdr) {
174 std::unique_ptr<CompilerInvocation> CInvok;
175 CInvok.reset(new CompilerInvocation(origCI));
176 PreprocessorOptions &PPOpts = CInvok->getPreprocessorOpts();
177 if (!PPOpts.ImplicitPCHInclude.empty()) {
178 // We can't use a PCH because it was likely built in non-ARC mode and we
179 // want to parse in ARC. Include the original header.
180 FileManager FileMgr(origCI.getFileSystemOpts());
183 new DiagnosticsEngine(DiagID, &origCI.getDiagnosticOpts(),
184 new IgnoringDiagConsumer()));
185 std::string OriginalFile = ASTReader::getOriginalSourceFile(
186 PPOpts.ImplicitPCHInclude, FileMgr, PCHContainerRdr, *Diags);
187 if (!OriginalFile.empty())
188 PPOpts.Includes.insert(PPOpts.Includes.begin(), OriginalFile);
189 PPOpts.ImplicitPCHInclude.clear();
190 }
191 std::string define = std::string(getARCMTMacroName());
192 define += '=';
193 CInvok->getPreprocessorOpts().addMacroDef(define);
194 CInvok->getLangOpts().ObjCAutoRefCount = true;
195 CInvok->getLangOpts().setGC(LangOptions::NonGC);
196 CInvok->getDiagnosticOpts().ErrorLimit = 0;
197 CInvok->getDiagnosticOpts().PedanticErrors = 0;
198
199 // Ignore -Werror flags when migrating.
200 std::vector<std::string> WarnOpts;
201 for (std::vector<std::string>::iterator
202 I = CInvok->getDiagnosticOpts().Warnings.begin(),
203 E = CInvok->getDiagnosticOpts().Warnings.end(); I != E; ++I) {
204 if (!StringRef(*I).starts_with("error"))
205 WarnOpts.push_back(*I);
206 }
207 WarnOpts.push_back("error=arc-unsafe-retained-assign");
208 CInvok->getDiagnosticOpts().Warnings = std::move(WarnOpts);
209
210 CInvok->getLangOpts().ObjCWeakRuntime = HasARCRuntime(origCI);
211 CInvok->getLangOpts().ObjCWeak = CInvok->getLangOpts().ObjCWeakRuntime;
212
213 return CInvok.release();
214}
215
216static void emitPremigrationErrors(const CapturedDiagList &arcDiags,
217 DiagnosticOptions *diagOpts,
218 Preprocessor &PP) {
219 TextDiagnosticPrinter printer(llvm::errs(), diagOpts);
222 new DiagnosticsEngine(DiagID, diagOpts, &printer,
223 /*ShouldOwnClient=*/false));
224 Diags->setSourceManager(&PP.getSourceManager());
225
226 printer.BeginSourceFile(PP.getLangOpts(), &PP);
227 arcDiags.reportDiagnostics(*Diags);
228 printer.EndSourceFile();
229}
230
231//===----------------------------------------------------------------------===//
232// checkForManualIssues.
233//===----------------------------------------------------------------------===//
234
236 CompilerInvocation &origCI, const FrontendInputFile &Input,
237 std::shared_ptr<PCHContainerOperations> PCHContainerOps,
238 DiagnosticConsumer *DiagClient, bool emitPremigrationARCErrors,
239 StringRef plistOut) {
240 if (!origCI.getLangOpts().ObjC)
241 return false;
242
243 LangOptions::GCMode OrigGCMode = origCI.getLangOpts().getGC();
244 bool NoNSAllocReallocError = origCI.getMigratorOpts().NoNSAllocReallocError;
245 bool NoFinalizeRemoval = origCI.getMigratorOpts().NoFinalizeRemoval;
246
247 std::vector<TransformFn> transforms = arcmt::getAllTransformations(OrigGCMode,
248 NoFinalizeRemoval);
249 assert(!transforms.empty());
250
251 std::unique_ptr<CompilerInvocation> CInvok;
252 CInvok.reset(
253 createInvocationForMigration(origCI, PCHContainerOps->getRawReader()));
254 CInvok->getFrontendOpts().Inputs.clear();
255 CInvok->getFrontendOpts().Inputs.push_back(Input);
256
257 CapturedDiagList capturedDiags;
258
259 assert(DiagClient);
262 new DiagnosticsEngine(DiagID, &origCI.getDiagnosticOpts(),
263 DiagClient, /*ShouldOwnClient=*/false));
264
265 // Filter of all diagnostics.
266 CaptureDiagnosticConsumer errRec(*Diags, *DiagClient, capturedDiags);
267 Diags->setClient(&errRec, /*ShouldOwnClient=*/false);
268
269 std::unique_ptr<ASTUnit> Unit(ASTUnit::LoadFromCompilerInvocationAction(
270 std::move(CInvok), PCHContainerOps, Diags));
271 if (!Unit) {
272 errRec.FinishCapture();
273 return true;
274 }
275
276 // Don't filter diagnostics anymore.
277 Diags->setClient(DiagClient, /*ShouldOwnClient=*/false);
278
279 ASTContext &Ctx = Unit->getASTContext();
280
281 if (Diags->hasFatalErrorOccurred()) {
282 Diags->Reset();
283 DiagClient->BeginSourceFile(Ctx.getLangOpts(), &Unit->getPreprocessor());
284 capturedDiags.reportDiagnostics(*Diags);
285 DiagClient->EndSourceFile();
286 errRec.FinishCapture();
287 return true;
288 }
289
290 if (emitPremigrationARCErrors)
291 emitPremigrationErrors(capturedDiags, &origCI.getDiagnosticOpts(),
292 Unit->getPreprocessor());
293 if (!plistOut.empty()) {
296 I = capturedDiags.begin(), E = capturedDiags.end(); I != E; ++I)
297 arcDiags.push_back(*I);
298 writeARCDiagsToPlist(std::string(plistOut), arcDiags,
299 Ctx.getSourceManager(), Ctx.getLangOpts());
300 }
301
302 // After parsing of source files ended, we want to reuse the
303 // diagnostics objects to emit further diagnostics.
304 // We call BeginSourceFile because DiagnosticConsumer requires that
305 // diagnostics with source range information are emitted only in between
306 // BeginSourceFile() and EndSourceFile().
307 DiagClient->BeginSourceFile(Ctx.getLangOpts(), &Unit->getPreprocessor());
308
309 // No macros will be added since we are just checking and we won't modify
310 // source code.
311 std::vector<SourceLocation> ARCMTMacroLocs;
312
313 TransformActions testAct(*Diags, capturedDiags, Ctx, Unit->getPreprocessor());
314 MigrationPass pass(Ctx, OrigGCMode, Unit->getSema(), testAct, capturedDiags,
315 ARCMTMacroLocs);
316 pass.setNoFinalizeRemoval(NoFinalizeRemoval);
317 if (!NoNSAllocReallocError)
318 Diags->setSeverity(diag::warn_arcmt_nsalloc_realloc, diag::Severity::Error,
320
321 for (unsigned i=0, e = transforms.size(); i != e; ++i)
322 transforms[i](pass);
323
324 capturedDiags.reportDiagnostics(*Diags);
325
326 DiagClient->EndSourceFile();
327 errRec.FinishCapture();
328
329 return capturedDiags.hasErrors() || testAct.hasReportedErrors();
330}
331
332//===----------------------------------------------------------------------===//
333// applyTransformations.
334//===----------------------------------------------------------------------===//
335
336static bool
338 std::shared_ptr<PCHContainerOperations> PCHContainerOps,
339 DiagnosticConsumer *DiagClient, StringRef outputDir,
340 bool emitPremigrationARCErrors, StringRef plistOut) {
341 if (!origCI.getLangOpts().ObjC)
342 return false;
343
344 LangOptions::GCMode OrigGCMode = origCI.getLangOpts().getGC();
345
346 // Make sure checking is successful first.
347 CompilerInvocation CInvokForCheck(origCI);
348 if (arcmt::checkForManualIssues(CInvokForCheck, Input, PCHContainerOps,
349 DiagClient, emitPremigrationARCErrors,
350 plistOut))
351 return true;
352
353 CompilerInvocation CInvok(origCI);
354 CInvok.getFrontendOpts().Inputs.clear();
355 CInvok.getFrontendOpts().Inputs.push_back(Input);
356
357 MigrationProcess migration(CInvok, PCHContainerOps, DiagClient, outputDir);
358 bool NoFinalizeRemoval = origCI.getMigratorOpts().NoFinalizeRemoval;
359
360 std::vector<TransformFn> transforms = arcmt::getAllTransformations(OrigGCMode,
361 NoFinalizeRemoval);
362 assert(!transforms.empty());
363
364 for (unsigned i=0, e = transforms.size(); i != e; ++i) {
365 bool err = migration.applyTransform(transforms[i]);
366 if (err) return true;
367 }
368
371 new DiagnosticsEngine(DiagID, &origCI.getDiagnosticOpts(),
372 DiagClient, /*ShouldOwnClient=*/false));
373
374 if (outputDir.empty()) {
375 origCI.getLangOpts().ObjCAutoRefCount = true;
376 return migration.getRemapper().overwriteOriginal(*Diags);
377 } else {
378 return migration.getRemapper().flushToDisk(outputDir, *Diags);
379 }
380}
381
383 CompilerInvocation &origCI, const FrontendInputFile &Input,
384 std::shared_ptr<PCHContainerOperations> PCHContainerOps,
385 DiagnosticConsumer *DiagClient) {
386 return applyTransforms(origCI, Input, PCHContainerOps, DiagClient,
387 StringRef(), false, StringRef());
388}
389
391 CompilerInvocation &origCI, const FrontendInputFile &Input,
392 std::shared_ptr<PCHContainerOperations> PCHContainerOps,
393 DiagnosticConsumer *DiagClient, StringRef outputDir,
394 bool emitPremigrationARCErrors, StringRef plistOut) {
395 assert(!outputDir.empty() && "Expected output directory path");
396 return applyTransforms(origCI, Input, PCHContainerOps, DiagClient, outputDir,
397 emitPremigrationARCErrors, plistOut);
398}
399
400bool arcmt::getFileRemappings(std::vector<std::pair<std::string,std::string> > &
401 remap,
402 StringRef outputDir,
403 DiagnosticConsumer *DiagClient) {
404 assert(!outputDir.empty());
405
408 new DiagnosticsEngine(DiagID, new DiagnosticOptions,
409 DiagClient, /*ShouldOwnClient=*/false));
410
411 FileRemapper remapper;
412 bool err = remapper.initFromDisk(outputDir, *Diags,
413 /*ignoreIfFilesChanged=*/true);
414 if (err)
415 return true;
416
417 remapper.forEachMapping(
418 [&](StringRef From, StringRef To) {
419 remap.push_back(std::make_pair(From.str(), To.str()));
420 },
421 [](StringRef, const llvm::MemoryBufferRef &) {});
422
423 return false;
424}
425
426
427//===----------------------------------------------------------------------===//
428// CollectTransformActions.
429//===----------------------------------------------------------------------===//
430
431namespace {
432
433class ARCMTMacroTrackerPPCallbacks : public PPCallbacks {
434 std::vector<SourceLocation> &ARCMTMacroLocs;
435
436public:
437 ARCMTMacroTrackerPPCallbacks(std::vector<SourceLocation> &ARCMTMacroLocs)
438 : ARCMTMacroLocs(ARCMTMacroLocs) { }
439
440 void MacroExpands(const Token &MacroNameTok, const MacroDefinition &MD,
441 SourceRange Range, const MacroArgs *Args) override {
442 if (MacroNameTok.getIdentifierInfo()->getName() == getARCMTMacroName())
443 ARCMTMacroLocs.push_back(MacroNameTok.getLocation());
444 }
445};
446
447class ARCMTMacroTrackerAction : public ASTFrontendAction {
448 std::vector<SourceLocation> &ARCMTMacroLocs;
449
450public:
451 ARCMTMacroTrackerAction(std::vector<SourceLocation> &ARCMTMacroLocs)
452 : ARCMTMacroLocs(ARCMTMacroLocs) { }
453
454 std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &CI,
455 StringRef InFile) override {
457 std::make_unique<ARCMTMacroTrackerPPCallbacks>(ARCMTMacroLocs));
458 return std::make_unique<ASTConsumer>();
459 }
460};
461
462class RewritesApplicator : public TransformActions::RewriteReceiver {
463 Rewriter &rewriter;
465
466public:
467 RewritesApplicator(Rewriter &rewriter, ASTContext &ctx,
469 : rewriter(rewriter), Listener(listener) {
470 if (Listener)
471 Listener->start(ctx);
472 }
473 ~RewritesApplicator() override {
474 if (Listener)
475 Listener->finish();
476 }
477
478 void insert(SourceLocation loc, StringRef text) override {
479 bool err = rewriter.InsertText(loc, text, /*InsertAfter=*/true,
480 /*indentNewLines=*/true);
481 if (!err && Listener)
482 Listener->insert(loc, text);
483 }
484
485 void remove(CharSourceRange range) override {
486 Rewriter::RewriteOptions removeOpts;
487 removeOpts.IncludeInsertsAtBeginOfRange = false;
488 removeOpts.IncludeInsertsAtEndOfRange = false;
489 removeOpts.RemoveLineIfEmpty = true;
490
491 bool err = rewriter.RemoveText(range, removeOpts);
492 if (!err && Listener)
493 Listener->remove(range);
494 }
495
496 void increaseIndentation(CharSourceRange range,
497 SourceLocation parentIndent) override {
498 rewriter.IncreaseIndentation(range, parentIndent);
499 }
500};
501
502} // end anonymous namespace.
503
504/// Anchor for VTable.
506
509 std::shared_ptr<PCHContainerOperations> PCHContainerOps,
510 DiagnosticConsumer *diagClient, StringRef outputDir)
511 : OrigCI(CI), PCHContainerOps(std::move(PCHContainerOps)),
512 DiagClient(diagClient), HadARCErrors(false) {
513 if (!outputDir.empty()) {
516 new DiagnosticsEngine(DiagID, &CI.getDiagnosticOpts(),
517 DiagClient, /*ShouldOwnClient=*/false));
518 Remapper.initFromDisk(outputDir, *Diags, /*ignoreIfFilesChanged=*/true);
519 }
520}
521
523 RewriteListener *listener) {
524 std::unique_ptr<CompilerInvocation> CInvok;
525 CInvok.reset(
526 createInvocationForMigration(OrigCI, PCHContainerOps->getRawReader()));
527 CInvok->getDiagnosticOpts().IgnoreWarnings = true;
528
529 Remapper.applyMappings(CInvok->getPreprocessorOpts());
530
531 CapturedDiagList capturedDiags;
532 std::vector<SourceLocation> ARCMTMacroLocs;
533
534 assert(DiagClient);
537 new DiagnosticsEngine(DiagID, new DiagnosticOptions,
538 DiagClient, /*ShouldOwnClient=*/false));
539
540 // Filter of all diagnostics.
541 CaptureDiagnosticConsumer errRec(*Diags, *DiagClient, capturedDiags);
542 Diags->setClient(&errRec, /*ShouldOwnClient=*/false);
543
544 std::unique_ptr<ARCMTMacroTrackerAction> ASTAction;
545 ASTAction.reset(new ARCMTMacroTrackerAction(ARCMTMacroLocs));
546
547 std::unique_ptr<ASTUnit> Unit(ASTUnit::LoadFromCompilerInvocationAction(
548 std::move(CInvok), PCHContainerOps, Diags, ASTAction.get()));
549 if (!Unit) {
550 errRec.FinishCapture();
551 return true;
552 }
553 Unit->setOwnsRemappedFileBuffers(false); // FileRemapper manages that.
554
555 HadARCErrors = HadARCErrors || capturedDiags.hasErrors();
556
557 // Don't filter diagnostics anymore.
558 Diags->setClient(DiagClient, /*ShouldOwnClient=*/false);
559
560 ASTContext &Ctx = Unit->getASTContext();
561
562 if (Diags->hasFatalErrorOccurred()) {
563 Diags->Reset();
564 DiagClient->BeginSourceFile(Ctx.getLangOpts(), &Unit->getPreprocessor());
565 capturedDiags.reportDiagnostics(*Diags);
566 DiagClient->EndSourceFile();
567 errRec.FinishCapture();
568 return true;
569 }
570
571 // After parsing of source files ended, we want to reuse the
572 // diagnostics objects to emit further diagnostics.
573 // We call BeginSourceFile because DiagnosticConsumer requires that
574 // diagnostics with source range information are emitted only in between
575 // BeginSourceFile() and EndSourceFile().
576 DiagClient->BeginSourceFile(Ctx.getLangOpts(), &Unit->getPreprocessor());
577
578 Rewriter rewriter(Ctx.getSourceManager(), Ctx.getLangOpts());
579 TransformActions TA(*Diags, capturedDiags, Ctx, Unit->getPreprocessor());
580 MigrationPass pass(Ctx, OrigCI.getLangOpts().getGC(),
581 Unit->getSema(), TA, capturedDiags, ARCMTMacroLocs);
582
583 trans(pass);
584
585 {
586 RewritesApplicator applicator(rewriter, Ctx, listener);
587 TA.applyRewrites(applicator);
588 }
589
590 DiagClient->EndSourceFile();
591 errRec.FinishCapture();
592
593 if (DiagClient->getNumErrors())
594 return true;
595
597 I = rewriter.buffer_begin(), E = rewriter.buffer_end(); I != E; ++I) {
598 FileID FID = I->first;
599 RewriteBuffer &buf = I->second;
602 assert(file);
603 std::string newFname = std::string(file->getName());
604 newFname += "-trans";
605 SmallString<512> newText;
606 llvm::raw_svector_ostream vecOS(newText);
607 buf.write(vecOS);
608 std::unique_ptr<llvm::MemoryBuffer> memBuf(
609 llvm::MemoryBuffer::getMemBufferCopy(newText.str(), newFname));
610 SmallString<64> filePath(file->getName());
611 Unit->getFileManager().FixupRelativePath(filePath);
612 Remapper.remap(filePath.str(), std::move(memBuf));
613 }
614
615 return false;
616}
static void emitPremigrationErrors(const CapturedDiagList &arcDiags, DiagnosticOptions *diagOpts, Preprocessor &PP)
Definition: ARCMT.cpp:216
static CompilerInvocation * createInvocationForMigration(CompilerInvocation &origCI, const PCHContainerReader &PCHContainerRdr)
Definition: ARCMT.cpp:172
static bool applyTransforms(CompilerInvocation &origCI, const FrontendInputFile &Input, std::shared_ptr< PCHContainerOperations > PCHContainerOps, DiagnosticConsumer *DiagClient, StringRef outputDir, bool emitPremigrationARCErrors, StringRef plistOut)
Definition: ARCMT.cpp:337
static bool HasARCRuntime(CompilerInvocation &origCI)
Definition: ARCMT.cpp:149
Defines the clang::FrontendAction interface and various convenience abstract classes (clang::ASTFront...
Defines the clang::Preprocessor interface.
SourceRange Range
Definition: SemaObjC.cpp:757
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
Definition: ASTContext.h:185
SourceManager & getSourceManager()
Definition: ASTContext.h:708
const LangOptions & getLangOpts() const
Definition: ASTContext.h:778
Abstract base class to use for AST consumer-based frontend actions.
StringRef getOriginalSourceFile()
Retrieve the name of the original source file name for the primary module file.
Definition: ASTReader.h:1779
static ASTUnit * LoadFromCompilerInvocationAction(std::shared_ptr< CompilerInvocation > CI, std::shared_ptr< PCHContainerOperations > PCHContainerOps, IntrusiveRefCntPtr< DiagnosticsEngine > Diags, FrontendAction *Action=nullptr, ASTUnit *Unit=nullptr, bool Persistent=true, StringRef ResourceFilesPath=StringRef(), bool OnlyLocalDecls=false, CaptureDiagsKind CaptureDiagnostics=CaptureDiagsKind::None, unsigned PrecompilePreambleAfterNParses=0, bool CacheCodeCompletionResults=false, bool UserFilesAreVolatile=false, std::unique_ptr< ASTUnit > *ErrAST=nullptr)
Create an ASTUnit from a source file, via a CompilerInvocation object, by invoking the optionally pro...
Definition: ASTUnit.cpp:1550
Represents a character-granular source range.
CompilerInstance - Helper class for managing a single instance of the Clang compiler.
Preprocessor & getPreprocessor() const
Return the current preprocessor.
Helper class for holding the data necessary to invoke the compiler.
MigratorOptions & getMigratorOpts()
LangOptions & getLangOpts()
Mutable getters.
FrontendOptions & getFrontendOpts()
FileSystemOptions & getFileSystemOpts()
TargetOptions & getTargetOpts()
DiagnosticOptions & getDiagnosticOpts()
Abstract interface, implemented by clients of the front-end, which formats and prints fully processed...
Definition: Diagnostic.h:1745
virtual void EndSourceFile()
Callback to inform the diagnostic client that processing of a source file has ended.
Definition: Diagnostic.h:1777
unsigned getNumErrors() const
Definition: Diagnostic.h:1754
virtual void BeginSourceFile(const LangOptions &LangOpts, const Preprocessor *PP=nullptr)
Callback to inform the diagnostic client that processing of a source file is beginning.
Definition: Diagnostic.h:1769
Used for handling and querying diagnostic IDs.
static bool isARCDiagnostic(unsigned DiagID)
Return true if a given diagnostic falls into an ARC diagnostic category.
Options for controlling the compiler diagnostics engine.
A little helper class (which is basically a smart pointer that forwards info from DiagnosticsEngine) ...
Definition: Diagnostic.h:1571
const SourceLocation & getLocation() const
Definition: Diagnostic.h:1582
unsigned getID() const
Definition: Diagnostic.h:1581
Concrete class used by the front-end to report problems and issues.
Definition: Diagnostic.h:192
DiagnosticBuilder Report(SourceLocation Loc, unsigned DiagID)
Issue the message to the client.
Definition: Diagnostic.h:1547
void setLastDiagnosticIgnored(bool Ignored)
Pretend that the last diagnostic issued was ignored, so any subsequent notes will be suppressed,...
Definition: Diagnostic.h:761
Level
The level of the diagnostic, after it has been through mapping.
Definition: Diagnostic.h:195
StringRef getName() const
The name of this FileEntry.
Definition: FileEntry.h:61
An opaque identifier used by SourceManager which refers to a source file (MemoryBuffer) along with it...
Implements support for file system lookup, file system caching, and directory search management.
Definition: FileManager.h:53
An input file for the front end.
SmallVector< FrontendInputFile, 0 > Inputs
The input files and their types.
A SourceLocation and its associated SourceManager.
bool isBeforeInTranslationUnitThan(SourceLocation Loc) const
Determines the order of 2 source locations in the translation unit.
StringRef getName() const
Return the actual identifier string.
A diagnostic client that ignores all diagnostics.
Definition: Diagnostic.h:1800
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
Definition: LangOptions.h:461
MacroArgs - An instance of this class captures information about the formal arguments specified to a ...
Definition: MacroArgs.h:30
A description of the current definition of a macro.
Definition: MacroInfo.h:590
This abstract interface provides operations for unwrapping containers for serialized ASTs (precompile...
This interface provides a way to observe the actions of the preprocessor as it does its thing.
Definition: PPCallbacks.h:35
PreprocessorOptions - This class is used for passing the various options used in preprocessor initial...
std::vector< std::string > Includes
std::string ImplicitPCHInclude
The implicit PCH included at the start of the translation unit, or empty.
Engages in a tight little dance with the lexer to efficiently preprocess tokens.
Definition: Preprocessor.h:128
void addPPCallbacks(std::unique_ptr< PPCallbacks > C)
SourceManager & getSourceManager() const
const LangOptions & getLangOpts() const
RewriteBuffer - As code is rewritten, SourceBuffer's from the original input with modifications get a...
Definition: RewriteBuffer.h:25
raw_ostream & write(raw_ostream &Stream) const
Write to Stream the result of applying all changes to the original buffer.
Definition: Rewriter.cpp:33
Rewriter - This is the main interface to the rewrite buffers.
Definition: Rewriter.h:32
bool InsertText(SourceLocation Loc, StringRef Str, bool InsertAfter=true, bool indentNewLines=false)
InsertText - Insert the specified string at the specified location in the original buffer.
Definition: Rewriter.cpp:252
bool RemoveText(SourceLocation Start, unsigned Length, RewriteOptions opts=RewriteOptions())
RemoveText - Remove the specified text region.
Definition: Rewriter.cpp:305
buffer_iterator buffer_end()
Definition: Rewriter.h:206
buffer_iterator buffer_begin()
Definition: Rewriter.h:205
std::map< FileID, RewriteBuffer >::iterator buffer_iterator
Definition: Rewriter.h:65
bool IncreaseIndentation(CharSourceRange range, SourceLocation parentIndent)
Increase indentation for the lines between the given source range.
Definition: Rewriter.cpp:341
Encodes a location in the source.
bool isValid() const
Return true if this is a valid SourceLocation object.
OptionalFileEntryRef getFileEntryRefForID(FileID FID) const
Returns the FileEntryRef for the provided FileID.
A trivial tuple used to represent a source range.
Represents a diagnostic in a form that can be retained until its corresponding source manager is dest...
Definition: Diagnostic.h:1695
std::string Triple
The name of the target triple to compile for.
Definition: TargetOptions.h:29
void BeginSourceFile(const LangOptions &LO, const Preprocessor *PP) override
Callback to inform the diagnostic client that processing of a source file is beginning.
void EndSourceFile() override
Callback to inform the diagnostic client that processing of a source file has ended.
Token - This structure provides full information about a lexed token.
Definition: Token.h:36
IdentifierInfo * getIdentifierInfo() const
Definition: Token.h:187
SourceLocation getLocation() const
Return a source location identifier for the specified offset in the current file.
Definition: Token.h:132
bool clearDiagnostic(ArrayRef< unsigned > IDs, SourceRange range)
Definition: ARCMT.cpp:29
void push_back(const StoredDiagnostic &diag)
Definition: Internals.h:31
bool hasDiagnostic(ArrayRef< unsigned > IDs, SourceRange range) const
Definition: ARCMT.cpp:59
iterator begin() const
Definition: Internals.h:41
ListTy::const_iterator iterator
Definition: Internals.h:40
void reportDiagnostics(DiagnosticsEngine &diags) const
Definition: ARCMT.cpp:81
void forEachMapping(llvm::function_ref< void(StringRef, StringRef)> CaptureFile, llvm::function_ref< void(StringRef, const llvm::MemoryBufferRef &)> CaptureBuffer) const
Iterate through all the mappings.
bool flushToDisk(StringRef outputDir, DiagnosticsEngine &Diag)
void remap(StringRef filePath, std::unique_ptr< llvm::MemoryBuffer > memBuf)
void applyMappings(PreprocessorOptions &PPOpts) const
bool initFromDisk(StringRef outputDir, DiagnosticsEngine &Diag, bool ignoreIfFilesChanged)
bool overwriteOriginal(DiagnosticsEngine &Diag, StringRef outputDir=StringRef())
void setNoFinalizeRemoval(bool val)
Definition: Internals.h:167
virtual void start(ASTContext &Ctx)
Definition: ARCMT.h:114
virtual void remove(CharSourceRange range)
Definition: ARCMT.h:118
virtual ~RewriteListener()
Anchor for VTable.
Definition: ARCMT.cpp:505
virtual void insert(SourceLocation loc, StringRef text)
Definition: ARCMT.h:117
FileRemapper & getRemapper()
Definition: ARCMT.h:123
MigrationProcess(CompilerInvocation &CI, std::shared_ptr< PCHContainerOperations > PCHContainerOps, DiagnosticConsumer *diagClient, StringRef outputDir=StringRef())
Definition: ARCMT.cpp:507
bool applyTransform(TransformFn trans, RewriteListener *listener=nullptr)
Definition: ARCMT.cpp:522
void applyRewrites(RewriteReceiver &receiver)
bool getFileRemappings(std::vector< std::pair< std::string, std::string > > &remap, StringRef outputDir, DiagnosticConsumer *DiagClient)
Get the set of file remappings from the outputDir path that migrateWithTemporaryFiles produced.
Definition: ARCMT.cpp:400
static StringRef getARCMTMacroName()
Definition: Internals.h:172
std::vector< TransformFn > getAllTransformations(LangOptions::GCMode OrigGCMode, bool NoFinalizeRemoval)
Definition: Transforms.cpp:582
void writeARCDiagsToPlist(const std::string &outPath, ArrayRef< StoredDiagnostic > diags, SourceManager &SM, const LangOptions &LangOpts)
bool migrateWithTemporaryFiles(CompilerInvocation &origCI, const FrontendInputFile &Input, std::shared_ptr< PCHContainerOperations > PCHContainerOps, DiagnosticConsumer *DiagClient, StringRef outputDir, bool emitPremigrationARCErrors, StringRef plistOut)
Applies automatic modifications and produces temporary files and metadata into the outputDir path.
Definition: ARCMT.cpp:390
void(* TransformFn)(MigrationPass &pass)
Definition: ARCMT.h:91
bool applyTransformations(CompilerInvocation &origCI, const FrontendInputFile &Input, std::shared_ptr< PCHContainerOperations > PCHContainerOps, DiagnosticConsumer *DiagClient)
Works similar to checkForManualIssues but instead of checking, it applies automatic modifications to ...
Definition: ARCMT.cpp:382
bool checkForManualIssues(CompilerInvocation &CI, const FrontendInputFile &Input, std::shared_ptr< PCHContainerOperations > PCHContainerOps, DiagnosticConsumer *DiagClient, bool emitPremigrationARCErrors=false, StringRef plistOut=StringRef())
Creates an AST with the provided CompilerInvocation but with these changes: -if a PCH/PTH is set,...
Definition: ARCMT.cpp:235
@ Error
Present this diagnostic as an error.
ASTEdit remove(RangeSelector S)
Removes the source selected by S.
The JSON file list parser is used to communicate input to InstallAPI.
Definition: Format.h:5433
#define false
Definition: stdbool.h:26
bool IncludeInsertsAtBeginOfRange
Given a source range, true to include previous inserts at the beginning of the range as part of the r...
Definition: Rewriter.h:41
bool IncludeInsertsAtEndOfRange
Given a source range, true to include previous inserts at the end of the range as part of the range i...
Definition: Rewriter.h:45
bool RemoveLineIfEmpty
If true and removing some text leaves a blank line also remove the empty line (false by default).
Definition: Rewriter.h:60