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Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +00001//===- CIndexHigh.cpp - Higher level API functions ------------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#include "IndexingContext.h"
Argyrios Kyrtzidis996e6e52011-12-01 02:42:50 +000011#include "CIndexDiagnostic.h"
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +000012#include "CIndexer.h"
Chandler Carruthb1ba0ef2013-01-19 08:09:44 +000013#include "CLog.h"
Chandler Carruthf59edb92012-12-04 09:25:21 +000014#include "CXCursor.h"
15#include "CXSourceLocation.h"
16#include "CXString.h"
17#include "CXTranslationUnit.h"
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +000018#include "clang/AST/ASTConsumer.h"
19#include "clang/AST/DeclVisitor.h"
Chandler Carruthf59edb92012-12-04 09:25:21 +000020#include "clang/Frontend/ASTUnit.h"
21#include "clang/Frontend/CompilerInstance.h"
22#include "clang/Frontend/CompilerInvocation.h"
23#include "clang/Frontend/FrontendAction.h"
24#include "clang/Frontend/Utils.h"
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +000025#include "clang/Lex/HeaderSearch.h"
Chandler Carruthb99083e2013-01-02 10:28:36 +000026#include "clang/Lex/PPCallbacks.h"
27#include "clang/Lex/PPConditionalDirectiveRecord.h"
28#include "clang/Lex/Preprocessor.h"
Chandler Carruthf59edb92012-12-04 09:25:21 +000029#include "clang/Sema/SemaConsumer.h"
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +000030#include "llvm/Support/CrashRecoveryContext.h"
Chandler Carruthf59edb92012-12-04 09:25:21 +000031#include "llvm/Support/MemoryBuffer.h"
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +000032#include "llvm/Support/Mutex.h"
33#include "llvm/Support/MutexGuard.h"
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +000034
35using namespace clang;
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +000036using namespace cxtu;
37using namespace cxindex;
38
Argyrios Kyrtzidis996e6e52011-12-01 02:42:50 +000039static void indexDiagnostics(CXTranslationUnit TU, IndexingContext &IdxCtx);
40
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +000041namespace {
42
43//===----------------------------------------------------------------------===//
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +000044// Skip Parsed Bodies
45//===----------------------------------------------------------------------===//
46
47#ifdef LLVM_ON_WIN32
48
49// FIXME: On windows it is disabled since current implementation depends on
50// file inodes.
51
52class SessionSkipBodyData { };
53
54class TUSkipBodyControl {
55public:
56 TUSkipBodyControl(SessionSkipBodyData &sessionData,
Evgeniy Stepanov335078b2013-01-31 14:27:38 +000057 PPConditionalDirectiveRecord &ppRec,
58 Preprocessor &pp) { }
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +000059 bool isParsed(SourceLocation Loc, FileID FID, const FileEntry *FE) {
60 return false;
61 }
62 void finished() { }
63};
64
65#else
66
67/// \brief A "region" in source code identified by the file/offset of the
68/// preprocessor conditional directive that it belongs to.
69/// Multiple, non-consecutive ranges can be parts of the same region.
70///
71/// As an example of different regions separated by preprocessor directives:
72///
73/// \code
74/// #1
75/// #ifdef BLAH
76/// #2
77/// #ifdef CAKE
78/// #3
79/// #endif
80/// #2
81/// #endif
82/// #1
83/// \endcode
84///
85/// There are 3 regions, with non-consecutive parts:
86/// #1 is identified as the beginning of the file
87/// #2 is identified as the location of "#ifdef BLAH"
88/// #3 is identified as the location of "#ifdef CAKE"
89///
90class PPRegion {
91 ino_t ino;
92 time_t ModTime;
93 dev_t dev;
94 unsigned Offset;
95public:
96 PPRegion() : ino(), ModTime(), dev(), Offset() {}
97 PPRegion(dev_t dev, ino_t ino, unsigned offset, time_t modTime)
98 : ino(ino), ModTime(modTime), dev(dev), Offset(offset) {}
99
100 ino_t getIno() const { return ino; }
101 dev_t getDev() const { return dev; }
102 unsigned getOffset() const { return Offset; }
103 time_t getModTime() const { return ModTime; }
104
105 bool isInvalid() const { return *this == PPRegion(); }
106
107 friend bool operator==(const PPRegion &lhs, const PPRegion &rhs) {
108 return lhs.dev == rhs.dev && lhs.ino == rhs.ino &&
109 lhs.Offset == rhs.Offset && lhs.ModTime == rhs.ModTime;
110 }
111};
112
113typedef llvm::DenseSet<PPRegion> PPRegionSetTy;
114
115} // end anonymous namespace
116
117namespace llvm {
118 template <> struct isPodLike<PPRegion> {
119 static const bool value = true;
120 };
121
122 template <>
123 struct DenseMapInfo<PPRegion> {
124 static inline PPRegion getEmptyKey() {
125 return PPRegion(0, 0, unsigned(-1), 0);
126 }
127 static inline PPRegion getTombstoneKey() {
128 return PPRegion(0, 0, unsigned(-2), 0);
129 }
130
131 static unsigned getHashValue(const PPRegion &S) {
132 llvm::FoldingSetNodeID ID;
133 ID.AddInteger(S.getIno());
134 ID.AddInteger(S.getDev());
135 ID.AddInteger(S.getOffset());
136 ID.AddInteger(S.getModTime());
137 return ID.ComputeHash();
138 }
139
140 static bool isEqual(const PPRegion &LHS, const PPRegion &RHS) {
141 return LHS == RHS;
142 }
143 };
144}
145
146namespace {
147
148class SessionSkipBodyData {
149 llvm::sys::Mutex Mux;
150 PPRegionSetTy ParsedRegions;
151
152public:
153 SessionSkipBodyData() : Mux(/*recursive=*/false) {}
154 ~SessionSkipBodyData() {
155 //llvm::errs() << "RegionData: " << Skipped.size() << " - " << Skipped.getMemorySize() << "\n";
156 }
157
158 void copyTo(PPRegionSetTy &Set) {
159 llvm::MutexGuard MG(Mux);
160 Set = ParsedRegions;
161 }
162
163 void update(ArrayRef<PPRegion> Regions) {
164 llvm::MutexGuard MG(Mux);
165 ParsedRegions.insert(Regions.begin(), Regions.end());
166 }
167};
168
169class TUSkipBodyControl {
170 SessionSkipBodyData &SessionData;
171 PPConditionalDirectiveRecord &PPRec;
172 Preprocessor &PP;
173
174 PPRegionSetTy ParsedRegions;
175 SmallVector<PPRegion, 32> NewParsedRegions;
176 PPRegion LastRegion;
177 bool LastIsParsed;
178
179public:
180 TUSkipBodyControl(SessionSkipBodyData &sessionData,
181 PPConditionalDirectiveRecord &ppRec,
182 Preprocessor &pp)
183 : SessionData(sessionData), PPRec(ppRec), PP(pp) {
184 SessionData.copyTo(ParsedRegions);
185 }
186
187 bool isParsed(SourceLocation Loc, FileID FID, const FileEntry *FE) {
188 PPRegion region = getRegion(Loc, FID, FE);
189 if (region.isInvalid())
190 return false;
191
192 // Check common case, consecutive functions in the same region.
193 if (LastRegion == region)
194 return LastIsParsed;
195
196 LastRegion = region;
197 LastIsParsed = ParsedRegions.count(region);
198 if (!LastIsParsed)
199 NewParsedRegions.push_back(region);
200 return LastIsParsed;
201 }
202
203 void finished() {
204 SessionData.update(NewParsedRegions);
205 }
206
207private:
208 PPRegion getRegion(SourceLocation Loc, FileID FID, const FileEntry *FE) {
209 SourceLocation RegionLoc = PPRec.findConditionalDirectiveRegionLoc(Loc);
210 if (RegionLoc.isInvalid()) {
211 if (isParsedOnceInclude(FE))
212 return PPRegion(FE->getDevice(), FE->getInode(), 0,
213 FE->getModificationTime());
214 return PPRegion();
215 }
216
217 const SourceManager &SM = PPRec.getSourceManager();
218 assert(RegionLoc.isFileID());
219 FileID RegionFID;
220 unsigned RegionOffset;
221 llvm::tie(RegionFID, RegionOffset) = SM.getDecomposedLoc(RegionLoc);
222
223 if (RegionFID != FID) {
224 if (isParsedOnceInclude(FE))
225 return PPRegion(FE->getDevice(), FE->getInode(), 0,
226 FE->getModificationTime());
227 return PPRegion();
228 }
229
230 return PPRegion(FE->getDevice(), FE->getInode(), RegionOffset,
231 FE->getModificationTime());
232 }
233
234 bool isParsedOnceInclude(const FileEntry *FE) {
235 return PP.getHeaderSearchInfo().isFileMultipleIncludeGuarded(FE);
236 }
237};
238
239#endif
240
241//===----------------------------------------------------------------------===//
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000242// IndexPPCallbacks
243//===----------------------------------------------------------------------===//
244
245class IndexPPCallbacks : public PPCallbacks {
246 Preprocessor &PP;
247 IndexingContext &IndexCtx;
Argyrios Kyrtzidisdd93c592011-11-11 00:23:36 +0000248 bool IsMainFileEntered;
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000249
250public:
251 IndexPPCallbacks(Preprocessor &PP, IndexingContext &indexCtx)
Argyrios Kyrtzidisdd93c592011-11-11 00:23:36 +0000252 : PP(PP), IndexCtx(indexCtx), IsMainFileEntered(false) { }
253
254 virtual void FileChanged(SourceLocation Loc, FileChangeReason Reason,
255 SrcMgr::CharacteristicKind FileType, FileID PrevFID) {
256 if (IsMainFileEntered)
257 return;
258
259 SourceManager &SM = PP.getSourceManager();
260 SourceLocation MainFileLoc = SM.getLocForStartOfFile(SM.getMainFileID());
261
262 if (Loc == MainFileLoc && Reason == PPCallbacks::EnterFile) {
263 IsMainFileEntered = true;
264 IndexCtx.enteredMainFile(SM.getFileEntryForID(SM.getMainFileID()));
265 }
266 }
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000267
268 virtual void InclusionDirective(SourceLocation HashLoc,
269 const Token &IncludeTok,
270 StringRef FileName,
271 bool IsAngled,
Argyrios Kyrtzidisda313592012-09-27 01:42:07 +0000272 CharSourceRange FilenameRange,
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000273 const FileEntry *File,
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000274 StringRef SearchPath,
Argyrios Kyrtzidisf8afcff2012-09-29 01:06:10 +0000275 StringRef RelativePath,
276 const Module *Imported) {
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000277 bool isImport = (IncludeTok.is(tok::identifier) &&
278 IncludeTok.getIdentifierInfo()->getPPKeywordID() == tok::pp_import);
Argyrios Kyrtzidis8d7a24e2012-10-18 00:17:05 +0000279 IndexCtx.ppIncludedFile(HashLoc, FileName, File, isImport, IsAngled,
280 Imported);
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000281 }
282
283 /// MacroDefined - This hook is called whenever a macro definition is seen.
Argyrios Kyrtzidisc5159782013-02-24 00:05:14 +0000284 virtual void MacroDefined(const Token &Id, const MacroDirective *MD) {
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000285 }
286
287 /// MacroUndefined - This hook is called whenever a macro #undef is seen.
288 /// MI is released immediately following this callback.
Argyrios Kyrtzidisc5159782013-02-24 00:05:14 +0000289 virtual void MacroUndefined(const Token &MacroNameTok,
290 const MacroDirective *MD) {
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000291 }
292
293 /// MacroExpands - This is called by when a macro invocation is found.
Argyrios Kyrtzidisc5159782013-02-24 00:05:14 +0000294 virtual void MacroExpands(const Token &MacroNameTok, const MacroDirective *MD,
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000295 SourceRange Range) {
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000296 }
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000297
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000298 /// SourceRangeSkipped - This hook is called when a source range is skipped.
299 /// \param Range The SourceRange that was skipped. The range begins at the
300 /// #if/#else directive and ends after the #endif/#else directive.
301 virtual void SourceRangeSkipped(SourceRange Range) {
302 }
303};
304
305//===----------------------------------------------------------------------===//
306// IndexingConsumer
307//===----------------------------------------------------------------------===//
308
309class IndexingConsumer : public ASTConsumer {
310 IndexingContext &IndexCtx;
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000311 TUSkipBodyControl *SKCtrl;
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000312
313public:
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000314 IndexingConsumer(IndexingContext &indexCtx, TUSkipBodyControl *skCtrl)
315 : IndexCtx(indexCtx), SKCtrl(skCtrl) { }
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000316
317 // ASTConsumer Implementation
318
319 virtual void Initialize(ASTContext &Context) {
320 IndexCtx.setASTContext(Context);
Argyrios Kyrtzidis6ec43ad2011-11-12 02:16:30 +0000321 IndexCtx.startedTranslationUnit();
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000322 }
323
324 virtual void HandleTranslationUnit(ASTContext &Ctx) {
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000325 if (SKCtrl)
326 SKCtrl->finished();
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000327 }
328
Argyrios Kyrtzidis88c25962011-11-18 00:26:59 +0000329 virtual bool HandleTopLevelDecl(DeclGroupRef DG) {
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000330 IndexCtx.indexDeclGroupRef(DG);
Argyrios Kyrtzidis88c25962011-11-18 00:26:59 +0000331 return !IndexCtx.shouldAbort();
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000332 }
333
334 /// \brief Handle the specified top-level declaration that occurred inside
335 /// and ObjC container.
336 virtual void HandleTopLevelDeclInObjCContainer(DeclGroupRef D) {
337 // They will be handled after the interface is seen first.
338 IndexCtx.addTUDeclInObjCContainer(D);
339 }
340
341 /// \brief This is called by the AST reader when deserializing things.
342 /// The default implementation forwards to HandleTopLevelDecl but we don't
343 /// care about them when indexing, so have an empty definition.
344 virtual void HandleInterestingDecl(DeclGroupRef D) {}
Argyrios Kyrtzidis6d968362012-02-10 20:10:44 +0000345
346 virtual void HandleTagDeclDefinition(TagDecl *D) {
Argyrios Kyrtzidis58d2dbe2012-02-14 22:23:11 +0000347 if (!IndexCtx.shouldIndexImplicitTemplateInsts())
348 return;
349
Argyrios Kyrtzidis6d968362012-02-10 20:10:44 +0000350 if (IndexCtx.isTemplateImplicitInstantiation(D))
351 IndexCtx.indexDecl(D);
352 }
353
354 virtual void HandleCXXImplicitFunctionInstantiation(FunctionDecl *D) {
Argyrios Kyrtzidis58d2dbe2012-02-14 22:23:11 +0000355 if (!IndexCtx.shouldIndexImplicitTemplateInsts())
356 return;
357
Argyrios Kyrtzidis6d968362012-02-10 20:10:44 +0000358 IndexCtx.indexDecl(D);
359 }
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000360
361 virtual bool shouldSkipFunctionBody(Decl *D) {
362 if (!SKCtrl) {
363 // Always skip bodies.
364 return true;
365 }
366
367 const SourceManager &SM = IndexCtx.getASTContext().getSourceManager();
368 SourceLocation Loc = D->getLocation();
369 if (Loc.isMacroID())
370 return false;
371 if (SM.isInSystemHeader(Loc))
372 return true; // always skip bodies from system headers.
373
374 FileID FID;
375 unsigned Offset;
376 llvm::tie(FID, Offset) = SM.getDecomposedLoc(Loc);
377 // Don't skip bodies from main files; this may be revisited.
378 if (SM.getMainFileID() == FID)
379 return false;
380 const FileEntry *FE = SM.getFileEntryForID(FID);
381 if (!FE)
382 return false;
383
384 return SKCtrl->isParsed(Loc, FID, FE);
385 }
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000386};
387
388//===----------------------------------------------------------------------===//
Argyrios Kyrtzidisb395c632011-11-18 00:26:51 +0000389// CaptureDiagnosticConsumer
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000390//===----------------------------------------------------------------------===//
391
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000392class CaptureDiagnosticConsumer : public DiagnosticConsumer {
393 SmallVector<StoredDiagnostic, 4> Errors;
394public:
395
396 virtual void HandleDiagnostic(DiagnosticsEngine::Level level,
397 const Diagnostic &Info) {
398 if (level >= DiagnosticsEngine::Error)
399 Errors.push_back(StoredDiagnostic(level, Info));
400 }
401
402 DiagnosticConsumer *clone(DiagnosticsEngine &Diags) const {
403 return new IgnoringDiagConsumer();
404 }
405};
406
407//===----------------------------------------------------------------------===//
408// IndexingFrontendAction
409//===----------------------------------------------------------------------===//
410
411class IndexingFrontendAction : public ASTFrontendAction {
412 IndexingContext IndexCtx;
Argyrios Kyrtzidis996e6e52011-12-01 02:42:50 +0000413 CXTranslationUnit CXTU;
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000414
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000415 SessionSkipBodyData *SKData;
416 OwningPtr<TUSkipBodyControl> SKCtrl;
417
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000418public:
419 IndexingFrontendAction(CXClientData clientData,
420 IndexerCallbacks &indexCallbacks,
421 unsigned indexOptions,
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000422 CXTranslationUnit cxTU,
423 SessionSkipBodyData *skData)
Argyrios Kyrtzidis996e6e52011-12-01 02:42:50 +0000424 : IndexCtx(clientData, indexCallbacks, indexOptions, cxTU),
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000425 CXTU(cxTU), SKData(skData) { }
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000426
427 virtual ASTConsumer *CreateASTConsumer(CompilerInstance &CI,
428 StringRef InFile) {
Argyrios Kyrtzidis3da76bf2012-10-03 21:05:51 +0000429 PreprocessorOptions &PPOpts = CI.getPreprocessorOpts();
430
Argyrios Kyrtzidis3da76bf2012-10-03 21:05:51 +0000431 if (!PPOpts.ImplicitPCHInclude.empty()) {
432 IndexCtx.importedPCH(
433 CI.getFileManager().getFile(PPOpts.ImplicitPCHInclude));
434 }
Argyrios Kyrtzidis3fe97782012-10-02 16:10:41 +0000435
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000436 IndexCtx.setASTContext(CI.getASTContext());
437 Preprocessor &PP = CI.getPreprocessor();
438 PP.addPPCallbacks(new IndexPPCallbacks(PP, IndexCtx));
Argyrios Kyrtzidis7fe90f32012-01-17 18:48:07 +0000439 IndexCtx.setPreprocessor(PP);
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000440
441 if (SKData) {
442 PPConditionalDirectiveRecord *
443 PPRec = new PPConditionalDirectiveRecord(PP.getSourceManager());
444 PP.addPPCallbacks(PPRec);
445 SKCtrl.reset(new TUSkipBodyControl(*SKData, *PPRec, PP));
446 }
447
448 return new IndexingConsumer(IndexCtx, SKCtrl.get());
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000449 }
450
Argyrios Kyrtzidis996e6e52011-12-01 02:42:50 +0000451 virtual void EndSourceFileAction() {
452 indexDiagnostics(CXTU, IndexCtx);
453 }
454
Argyrios Kyrtzidis58d2dbe2012-02-14 22:23:11 +0000455 virtual TranslationUnitKind getTranslationUnitKind() {
456 if (IndexCtx.shouldIndexImplicitTemplateInsts())
457 return TU_Complete;
458 else
459 return TU_Prefix;
460 }
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000461 virtual bool hasCodeCompletionSupport() const { return false; }
462};
463
464//===----------------------------------------------------------------------===//
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000465// clang_indexSourceFileUnit Implementation
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000466//===----------------------------------------------------------------------===//
467
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000468struct IndexSessionData {
469 CXIndex CIdx;
470 OwningPtr<SessionSkipBodyData> SkipBodyData;
471
472 explicit IndexSessionData(CXIndex cIdx)
473 : CIdx(cIdx), SkipBodyData(new SessionSkipBodyData) {}
474};
475
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000476struct IndexSourceFileInfo {
Argyrios Kyrtzidis2957e6f2011-11-22 07:24:51 +0000477 CXIndexAction idxAction;
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000478 CXClientData client_data;
479 IndexerCallbacks *index_callbacks;
480 unsigned index_callbacks_size;
481 unsigned index_options;
482 const char *source_filename;
483 const char *const *command_line_args;
484 int num_command_line_args;
485 struct CXUnsavedFile *unsaved_files;
486 unsigned num_unsaved_files;
487 CXTranslationUnit *out_TU;
488 unsigned TU_options;
489 int result;
490};
491
492struct MemBufferOwner {
493 SmallVector<const llvm::MemoryBuffer *, 8> Buffers;
494
495 ~MemBufferOwner() {
496 for (SmallVectorImpl<const llvm::MemoryBuffer *>::iterator
497 I = Buffers.begin(), E = Buffers.end(); I != E; ++I)
498 delete *I;
499 }
500};
501
502} // anonymous namespace
503
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000504static void clang_indexSourceFile_Impl(void *UserData) {
505 IndexSourceFileInfo *ITUI =
506 static_cast<IndexSourceFileInfo*>(UserData);
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000507 CXIndexAction cxIdxAction = ITUI->idxAction;
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000508 CXClientData client_data = ITUI->client_data;
509 IndexerCallbacks *client_index_callbacks = ITUI->index_callbacks;
510 unsigned index_callbacks_size = ITUI->index_callbacks_size;
511 unsigned index_options = ITUI->index_options;
512 const char *source_filename = ITUI->source_filename;
513 const char * const *command_line_args = ITUI->command_line_args;
514 int num_command_line_args = ITUI->num_command_line_args;
515 struct CXUnsavedFile *unsaved_files = ITUI->unsaved_files;
516 unsigned num_unsaved_files = ITUI->num_unsaved_files;
517 CXTranslationUnit *out_TU = ITUI->out_TU;
518 unsigned TU_options = ITUI->TU_options;
519 ITUI->result = 1; // init as error.
520
521 if (out_TU)
522 *out_TU = 0;
523 bool requestedToGetTU = (out_TU != 0);
524
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000525 if (!cxIdxAction)
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000526 return;
527 if (!client_index_callbacks || index_callbacks_size == 0)
528 return;
529
530 IndexerCallbacks CB;
531 memset(&CB, 0, sizeof(CB));
532 unsigned ClientCBSize = index_callbacks_size < sizeof(CB)
533 ? index_callbacks_size : sizeof(CB);
534 memcpy(&CB, client_index_callbacks, ClientCBSize);
535
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000536 IndexSessionData *IdxSession = static_cast<IndexSessionData *>(cxIdxAction);
537 CIndexer *CXXIdx = static_cast<CIndexer *>(IdxSession->CIdx);
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000538
Argyrios Kyrtzidisfdc17952012-03-28 02:18:05 +0000539 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
Argyrios Kyrtzidis81b5ac32012-03-28 02:49:54 +0000540 setThreadBackgroundPriority();
Argyrios Kyrtzidisfdc17952012-03-28 02:18:05 +0000541
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000542 CaptureDiagnosticConsumer *CaptureDiag = new CaptureDiagnosticConsumer();
543
544 // Configure the diagnostics.
Dylan Noblesmithc93dc782012-02-20 14:00:23 +0000545 IntrusiveRefCntPtr<DiagnosticsEngine>
Douglas Gregor02c23eb2012-10-23 22:26:28 +0000546 Diags(CompilerInstance::createDiagnostics(new DiagnosticOptions,
Douglas Gregor02c23eb2012-10-23 22:26:28 +0000547 CaptureDiag,
548 /*ShouldOwnClient=*/true,
549 /*ShouldCloneClient=*/false));
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000550
551 // Recover resources if we crash before exiting this function.
552 llvm::CrashRecoveryContextCleanupRegistrar<DiagnosticsEngine,
553 llvm::CrashRecoveryContextReleaseRefCleanup<DiagnosticsEngine> >
554 DiagCleanup(Diags.getPtr());
555
Dylan Noblesmith1e4c01b2012-02-13 12:32:21 +0000556 OwningPtr<std::vector<const char *> >
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000557 Args(new std::vector<const char*>());
558
559 // Recover resources if we crash before exiting this method.
560 llvm::CrashRecoveryContextCleanupRegistrar<std::vector<const char*> >
561 ArgsCleanup(Args.get());
562
563 Args->insert(Args->end(), command_line_args,
564 command_line_args + num_command_line_args);
565
566 // The 'source_filename' argument is optional. If the caller does not
567 // specify it then it is assumed that the source file is specified
568 // in the actual argument list.
569 // Put the source file after command_line_args otherwise if '-x' flag is
570 // present it will be unused.
571 if (source_filename)
572 Args->push_back(source_filename);
573
Dylan Noblesmithc93dc782012-02-20 14:00:23 +0000574 IntrusiveRefCntPtr<CompilerInvocation>
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000575 CInvok(createInvocationFromCommandLine(*Args, Diags));
576
577 if (!CInvok)
578 return;
579
580 // Recover resources if we crash before exiting this function.
581 llvm::CrashRecoveryContextCleanupRegistrar<CompilerInvocation,
582 llvm::CrashRecoveryContextReleaseRefCleanup<CompilerInvocation> >
583 CInvokCleanup(CInvok.getPtr());
584
585 if (CInvok->getFrontendOpts().Inputs.empty())
586 return;
587
Dylan Noblesmith1e4c01b2012-02-13 12:32:21 +0000588 OwningPtr<MemBufferOwner> BufOwner(new MemBufferOwner());
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000589
590 // Recover resources if we crash before exiting this method.
591 llvm::CrashRecoveryContextCleanupRegistrar<MemBufferOwner>
592 BufOwnerCleanup(BufOwner.get());
593
594 for (unsigned I = 0; I != num_unsaved_files; ++I) {
595 StringRef Data(unsaved_files[I].Contents, unsaved_files[I].Length);
596 const llvm::MemoryBuffer *Buffer
597 = llvm::MemoryBuffer::getMemBufferCopy(Data, unsaved_files[I].Filename);
598 CInvok->getPreprocessorOpts().addRemappedFile(unsaved_files[I].Filename, Buffer);
599 BufOwner->Buffers.push_back(Buffer);
600 }
601
602 // Since libclang is primarily used by batch tools dealing with
603 // (often very broken) source code, where spell-checking can have a
604 // significant negative impact on performance (particularly when
605 // precompiled headers are involved), we disable it.
Ted Kremenekd3b74d92011-11-17 23:01:24 +0000606 CInvok->getLangOpts()->SpellChecking = false;
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000607
Argyrios Kyrtzidisb49a29f2012-03-27 21:38:03 +0000608 if (index_options & CXIndexOpt_SuppressWarnings)
609 CInvok->getDiagnosticOpts().IgnoreWarnings = true;
610
Argyrios Kyrtzidis991bf492011-11-28 04:55:55 +0000611 ASTUnit *Unit = ASTUnit::create(CInvok.getPtr(), Diags,
Argyrios Kyrtzidisff398962012-07-11 20:59:04 +0000612 /*CaptureDiagnostics=*/true,
613 /*UserFilesAreVolatile=*/true);
Argyrios Kyrtzidisfdc17952012-03-28 02:18:05 +0000614 OwningPtr<CXTUOwner> CXTU(new CXTUOwner(MakeCXTranslationUnit(CXXIdx, Unit)));
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000615
616 // Recover resources if we crash before exiting this method.
617 llvm::CrashRecoveryContextCleanupRegistrar<CXTUOwner>
618 CXTUCleanup(CXTU.get());
619
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000620 // Enable the skip-parsed-bodies optimization only for C++; this may be
621 // revisited.
622 bool SkipBodies = (index_options & CXIndexOpt_SkipParsedBodiesInSession) &&
623 CInvok->getLangOpts()->CPlusPlus;
624 if (SkipBodies)
625 CInvok->getFrontendOpts().SkipFunctionBodies = true;
626
Dylan Noblesmith1e4c01b2012-02-13 12:32:21 +0000627 OwningPtr<IndexingFrontendAction> IndexAction;
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000628 IndexAction.reset(new IndexingFrontendAction(client_data, CB,
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000629 index_options, CXTU->getTU(),
630 SkipBodies ? IdxSession->SkipBodyData.get() : 0));
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000631
632 // Recover resources if we crash before exiting this method.
633 llvm::CrashRecoveryContextCleanupRegistrar<IndexingFrontendAction>
634 IndexActionCleanup(IndexAction.get());
635
Argyrios Kyrtzidis6f3ce972011-11-28 04:56:00 +0000636 bool Persistent = requestedToGetTU;
Argyrios Kyrtzidis6f3ce972011-11-28 04:56:00 +0000637 bool OnlyLocalDecls = false;
Argyrios Kyrtzidis6f3ce972011-11-28 04:56:00 +0000638 bool PrecompilePreamble = false;
639 bool CacheCodeCompletionResults = false;
640 PreprocessorOptions &PPOpts = CInvok->getPreprocessorOpts();
Argyrios Kyrtzidisbef35c92012-03-07 01:51:17 +0000641 PPOpts.AllowPCHWithCompilerErrors = true;
Argyrios Kyrtzidis6f3ce972011-11-28 04:56:00 +0000642
643 if (requestedToGetTU) {
644 OnlyLocalDecls = CXXIdx->getOnlyLocalDecls();
645 PrecompilePreamble = TU_options & CXTranslationUnit_PrecompiledPreamble;
646 // FIXME: Add a flag for modules.
647 CacheCodeCompletionResults
648 = TU_options & CXTranslationUnit_CacheCompletionResults;
Argyrios Kyrtzidis6f3ce972011-11-28 04:56:00 +0000649 }
650
Argyrios Kyrtzidis53d6ded2012-10-06 01:18:35 +0000651 if (TU_options & CXTranslationUnit_DetailedPreprocessingRecord) {
652 PPOpts.DetailedRecord = true;
653 }
Argyrios Kyrtzidis3fe97782012-10-02 16:10:41 +0000654
Argyrios Kyrtzidis93cd6e82012-10-10 02:12:50 +0000655 if (!requestedToGetTU && !CInvok->getLangOpts()->Modules)
656 PPOpts.DetailedRecord = false;
657
Argyrios Kyrtzidise722ed62012-04-11 02:11:16 +0000658 DiagnosticErrorTrap DiagTrap(*Diags);
659 bool Success = ASTUnit::LoadFromCompilerInvocationAction(CInvok.getPtr(), Diags,
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000660 IndexAction.get(),
Argyrios Kyrtzidis6f3ce972011-11-28 04:56:00 +0000661 Unit,
662 Persistent,
Argyrios Kyrtzidis37918142012-06-28 21:03:08 +0000663 CXXIdx->getClangResourcesPath(),
Argyrios Kyrtzidis6f3ce972011-11-28 04:56:00 +0000664 OnlyLocalDecls,
Argyrios Kyrtzidis996e6e52011-12-01 02:42:50 +0000665 /*CaptureDiagnostics=*/true,
Argyrios Kyrtzidis6f3ce972011-11-28 04:56:00 +0000666 PrecompilePreamble,
Argyrios Kyrtzidisff398962012-07-11 20:59:04 +0000667 CacheCodeCompletionResults,
668 /*IncludeBriefCommentsInCodeCompletion=*/false,
669 /*UserFilesAreVolatile=*/true);
Argyrios Kyrtzidise722ed62012-04-11 02:11:16 +0000670 if (DiagTrap.hasErrorOccurred() && CXXIdx->getDisplayDiagnostics())
671 printDiagsToStderr(Unit);
672
673 if (!Success)
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000674 return;
675
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000676 if (out_TU)
677 *out_TU = CXTU->takeTU();
678
679 ITUI->result = 0; // success.
680}
681
682//===----------------------------------------------------------------------===//
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000683// clang_indexTranslationUnit Implementation
684//===----------------------------------------------------------------------===//
685
686namespace {
687
688struct IndexTranslationUnitInfo {
Argyrios Kyrtzidis2957e6f2011-11-22 07:24:51 +0000689 CXIndexAction idxAction;
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000690 CXClientData client_data;
691 IndexerCallbacks *index_callbacks;
692 unsigned index_callbacks_size;
693 unsigned index_options;
Argyrios Kyrtzidis2957e6f2011-11-22 07:24:51 +0000694 CXTranslationUnit TU;
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000695 int result;
696};
697
698} // anonymous namespace
699
700static void indexPreprocessingRecord(ASTUnit &Unit, IndexingContext &IdxCtx) {
701 Preprocessor &PP = Unit.getPreprocessor();
702 if (!PP.getPreprocessingRecord())
703 return;
704
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000705 // FIXME: Only deserialize inclusion directives.
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000706
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000707 PreprocessingRecord::iterator I, E;
Argyrios Kyrtzidis632dcc92012-10-02 16:10:51 +0000708 llvm::tie(I, E) = Unit.getLocalPreprocessingEntities();
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000709
Argyrios Kyrtzidis62288ed2012-10-10 02:12:47 +0000710 bool isModuleFile = Unit.isModuleFile();
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000711 for (; I != E; ++I) {
712 PreprocessedEntity *PPE = *I;
713
714 if (InclusionDirective *ID = dyn_cast<InclusionDirective>(PPE)) {
Argyrios Kyrtzidis8d7a24e2012-10-18 00:17:05 +0000715 SourceLocation Loc = ID->getSourceRange().getBegin();
716 // Modules have synthetic main files as input, give an invalid location
717 // if the location points to such a file.
718 if (isModuleFile && Unit.isInMainFileID(Loc))
719 Loc = SourceLocation();
720 IdxCtx.ppIncludedFile(Loc, ID->getFileName(),
721 ID->getFile(),
722 ID->getKind() == InclusionDirective::Import,
723 !ID->wasInQuotes(), ID->importedModule());
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000724 }
725 }
726}
727
Argyrios Kyrtzidis95c579c2012-10-03 01:58:28 +0000728static bool topLevelDeclVisitor(void *context, const Decl *D) {
Argyrios Kyrtzidis2093e0b2012-10-02 21:09:13 +0000729 IndexingContext &IdxCtx = *static_cast<IndexingContext*>(context);
730 IdxCtx.indexTopLevelDecl(D);
731 if (IdxCtx.shouldAbort())
732 return false;
733 return true;
734}
735
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000736static void indexTranslationUnit(ASTUnit &Unit, IndexingContext &IdxCtx) {
Argyrios Kyrtzidis95c579c2012-10-03 01:58:28 +0000737 Unit.visitLocalTopLevelDecls(&IdxCtx, topLevelDeclVisitor);
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000738}
739
740static void indexDiagnostics(CXTranslationUnit TU, IndexingContext &IdxCtx) {
Argyrios Kyrtzidis996e6e52011-12-01 02:42:50 +0000741 if (!IdxCtx.hasDiagnosticCallback())
742 return;
743
744 CXDiagnosticSetImpl *DiagSet = cxdiag::lazyCreateDiags(TU);
745 IdxCtx.handleDiagnosticSet(DiagSet);
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000746}
747
748static void clang_indexTranslationUnit_Impl(void *UserData) {
749 IndexTranslationUnitInfo *ITUI =
750 static_cast<IndexTranslationUnitInfo*>(UserData);
751 CXTranslationUnit TU = ITUI->TU;
752 CXClientData client_data = ITUI->client_data;
753 IndexerCallbacks *client_index_callbacks = ITUI->index_callbacks;
754 unsigned index_callbacks_size = ITUI->index_callbacks_size;
755 unsigned index_options = ITUI->index_options;
756 ITUI->result = 1; // init as error.
757
758 if (!TU)
759 return;
760 if (!client_index_callbacks || index_callbacks_size == 0)
761 return;
762
Dmitri Gribenko8c718e72013-01-26 21:49:50 +0000763 CIndexer *CXXIdx = TU->CIdx;
Argyrios Kyrtzidisfdc17952012-03-28 02:18:05 +0000764 if (CXXIdx->isOptEnabled(CXGlobalOpt_ThreadBackgroundPriorityForIndexing))
Argyrios Kyrtzidis81b5ac32012-03-28 02:49:54 +0000765 setThreadBackgroundPriority();
Argyrios Kyrtzidisfdc17952012-03-28 02:18:05 +0000766
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000767 IndexerCallbacks CB;
768 memset(&CB, 0, sizeof(CB));
769 unsigned ClientCBSize = index_callbacks_size < sizeof(CB)
770 ? index_callbacks_size : sizeof(CB);
771 memcpy(&CB, client_index_callbacks, ClientCBSize);
772
Dylan Noblesmith1e4c01b2012-02-13 12:32:21 +0000773 OwningPtr<IndexingContext> IndexCtx;
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000774 IndexCtx.reset(new IndexingContext(client_data, CB, index_options, TU));
775
776 // Recover resources if we crash before exiting this method.
777 llvm::CrashRecoveryContextCleanupRegistrar<IndexingContext>
778 IndexCtxCleanup(IndexCtx.get());
779
Dylan Noblesmith1e4c01b2012-02-13 12:32:21 +0000780 OwningPtr<IndexingConsumer> IndexConsumer;
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000781 IndexConsumer.reset(new IndexingConsumer(*IndexCtx, 0));
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000782
783 // Recover resources if we crash before exiting this method.
784 llvm::CrashRecoveryContextCleanupRegistrar<IndexingConsumer>
785 IndexConsumerCleanup(IndexConsumer.get());
786
Dmitri Gribenko5694feb2013-01-26 18:53:38 +0000787 ASTUnit *Unit = cxtu::getASTUnit(TU);
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000788 if (!Unit)
789 return;
790
Argyrios Kyrtzidis162884d2012-09-25 19:29:50 +0000791 ASTUnit::ConcurrencyCheck Check(*Unit);
792
Argyrios Kyrtzidis3da76bf2012-10-03 21:05:51 +0000793 if (const FileEntry *PCHFile = Unit->getPCHFile())
794 IndexCtx->importedPCH(PCHFile);
795
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000796 FileManager &FileMgr = Unit->getFileManager();
797
798 if (Unit->getOriginalSourceFileName().empty())
799 IndexCtx->enteredMainFile(0);
800 else
801 IndexCtx->enteredMainFile(FileMgr.getFile(Unit->getOriginalSourceFileName()));
802
803 IndexConsumer->Initialize(Unit->getASTContext());
804
805 indexPreprocessingRecord(*Unit, *IndexCtx);
806 indexTranslationUnit(*Unit, *IndexCtx);
807 indexDiagnostics(TU, *IndexCtx);
808
809 ITUI->result = 0;
810}
811
812//===----------------------------------------------------------------------===//
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000813// libclang public APIs.
814//===----------------------------------------------------------------------===//
815
816extern "C" {
817
Argyrios Kyrtzidisdd93c592011-11-11 00:23:36 +0000818int clang_index_isEntityObjCContainerKind(CXIdxEntityKind K) {
819 return CXIdxEntity_ObjCClass <= K && K <= CXIdxEntity_ObjCCategory;
820}
821
Argyrios Kyrtzidis6ec43ad2011-11-12 02:16:30 +0000822const CXIdxObjCContainerDeclInfo *
823clang_index_getObjCContainerDeclInfo(const CXIdxDeclInfo *DInfo) {
824 if (!DInfo)
825 return 0;
826
Argyrios Kyrtzidisc71d5542011-11-14 22:39:19 +0000827 const DeclInfo *DI = static_cast<const DeclInfo *>(DInfo);
828 if (const ObjCContainerDeclInfo *
829 ContInfo = dyn_cast<ObjCContainerDeclInfo>(DI))
830 return &ContInfo->ObjCContDeclInfo;
Argyrios Kyrtzidisdd93c592011-11-11 00:23:36 +0000831
832 return 0;
833}
834
Argyrios Kyrtzidis6ec43ad2011-11-12 02:16:30 +0000835const CXIdxObjCInterfaceDeclInfo *
836clang_index_getObjCInterfaceDeclInfo(const CXIdxDeclInfo *DInfo) {
Argyrios Kyrtzidisc71d5542011-11-14 22:39:19 +0000837 if (!DInfo)
Argyrios Kyrtzidis6ec43ad2011-11-12 02:16:30 +0000838 return 0;
Argyrios Kyrtzidisdd93c592011-11-11 00:23:36 +0000839
Argyrios Kyrtzidisc71d5542011-11-14 22:39:19 +0000840 const DeclInfo *DI = static_cast<const DeclInfo *>(DInfo);
841 if (const ObjCInterfaceDeclInfo *
842 InterInfo = dyn_cast<ObjCInterfaceDeclInfo>(DI))
843 return &InterInfo->ObjCInterDeclInfo;
Argyrios Kyrtzidis6ec43ad2011-11-12 02:16:30 +0000844
845 return 0;
846}
847
848const CXIdxObjCCategoryDeclInfo *
849clang_index_getObjCCategoryDeclInfo(const CXIdxDeclInfo *DInfo){
Argyrios Kyrtzidisc71d5542011-11-14 22:39:19 +0000850 if (!DInfo)
Argyrios Kyrtzidis6ec43ad2011-11-12 02:16:30 +0000851 return 0;
852
Argyrios Kyrtzidisc71d5542011-11-14 22:39:19 +0000853 const DeclInfo *DI = static_cast<const DeclInfo *>(DInfo);
854 if (const ObjCCategoryDeclInfo *
855 CatInfo = dyn_cast<ObjCCategoryDeclInfo>(DI))
856 return &CatInfo->ObjCCatDeclInfo;
857
858 return 0;
859}
860
861const CXIdxObjCProtocolRefListInfo *
862clang_index_getObjCProtocolRefListInfo(const CXIdxDeclInfo *DInfo) {
863 if (!DInfo)
864 return 0;
865
866 const DeclInfo *DI = static_cast<const DeclInfo *>(DInfo);
867
868 if (const ObjCInterfaceDeclInfo *
869 InterInfo = dyn_cast<ObjCInterfaceDeclInfo>(DI))
870 return InterInfo->ObjCInterDeclInfo.protocols;
871
872 if (const ObjCProtocolDeclInfo *
873 ProtInfo = dyn_cast<ObjCProtocolDeclInfo>(DI))
874 return &ProtInfo->ObjCProtoRefListInfo;
875
Argyrios Kyrtzidisc10a4c82011-12-13 18:47:45 +0000876 if (const ObjCCategoryDeclInfo *CatInfo = dyn_cast<ObjCCategoryDeclInfo>(DI))
877 return CatInfo->ObjCCatDeclInfo.protocols;
878
Argyrios Kyrtzidisc71d5542011-11-14 22:39:19 +0000879 return 0;
Argyrios Kyrtzidis6ec43ad2011-11-12 02:16:30 +0000880}
881
Argyrios Kyrtzidis792db262012-02-28 17:50:33 +0000882const CXIdxObjCPropertyDeclInfo *
883clang_index_getObjCPropertyDeclInfo(const CXIdxDeclInfo *DInfo) {
884 if (!DInfo)
885 return 0;
886
887 const DeclInfo *DI = static_cast<const DeclInfo *>(DInfo);
888 if (const ObjCPropertyDeclInfo *PropInfo = dyn_cast<ObjCPropertyDeclInfo>(DI))
889 return &PropInfo->ObjCPropDeclInfo;
890
891 return 0;
892}
893
Argyrios Kyrtzidisb395c632011-11-18 00:26:51 +0000894const CXIdxIBOutletCollectionAttrInfo *
895clang_index_getIBOutletCollectionAttrInfo(const CXIdxAttrInfo *AInfo) {
896 if (!AInfo)
897 return 0;
898
899 const AttrInfo *DI = static_cast<const AttrInfo *>(AInfo);
900 if (const IBOutletCollectionInfo *
901 IBInfo = dyn_cast<IBOutletCollectionInfo>(DI))
902 return &IBInfo->IBCollInfo;
903
904 return 0;
905}
906
Argyrios Kyrtzidis2957e6f2011-11-22 07:24:51 +0000907const CXIdxCXXClassDeclInfo *
908clang_index_getCXXClassDeclInfo(const CXIdxDeclInfo *DInfo) {
909 if (!DInfo)
910 return 0;
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000911
Argyrios Kyrtzidis2957e6f2011-11-22 07:24:51 +0000912 const DeclInfo *DI = static_cast<const DeclInfo *>(DInfo);
913 if (const CXXClassDeclInfo *ClassInfo = dyn_cast<CXXClassDeclInfo>(DI))
914 return &ClassInfo->CXXClassInfo;
915
916 return 0;
917}
918
919CXIdxClientContainer
920clang_index_getClientContainer(const CXIdxContainerInfo *info) {
921 if (!info)
922 return 0;
Benjamin Kramer3267e112011-11-29 12:31:20 +0000923 const ContainerInfo *Container = static_cast<const ContainerInfo *>(info);
Argyrios Kyrtzidis2957e6f2011-11-22 07:24:51 +0000924 return Container->IndexCtx->getClientContainerForDC(Container->DC);
925}
926
927void clang_index_setClientContainer(const CXIdxContainerInfo *info,
928 CXIdxClientContainer client) {
929 if (!info)
930 return;
Benjamin Kramer3267e112011-11-29 12:31:20 +0000931 const ContainerInfo *Container = static_cast<const ContainerInfo *>(info);
Argyrios Kyrtzidis2957e6f2011-11-22 07:24:51 +0000932 Container->IndexCtx->addContainerInMap(Container->DC, client);
933}
934
935CXIdxClientEntity clang_index_getClientEntity(const CXIdxEntityInfo *info) {
936 if (!info)
937 return 0;
Benjamin Kramer3267e112011-11-29 12:31:20 +0000938 const EntityInfo *Entity = static_cast<const EntityInfo *>(info);
Argyrios Kyrtzidis2957e6f2011-11-22 07:24:51 +0000939 return Entity->IndexCtx->getClientEntity(Entity->Dcl);
940}
941
942void clang_index_setClientEntity(const CXIdxEntityInfo *info,
943 CXIdxClientEntity client) {
944 if (!info)
945 return;
Benjamin Kramer3267e112011-11-29 12:31:20 +0000946 const EntityInfo *Entity = static_cast<const EntityInfo *>(info);
Argyrios Kyrtzidis2957e6f2011-11-22 07:24:51 +0000947 Entity->IndexCtx->setClientEntity(Entity->Dcl, client);
948}
949
950CXIndexAction clang_IndexAction_create(CXIndex CIdx) {
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000951 return new IndexSessionData(CIdx);
Argyrios Kyrtzidis2957e6f2011-11-22 07:24:51 +0000952}
953
954void clang_IndexAction_dispose(CXIndexAction idxAction) {
Argyrios Kyrtzidis838eb7e2012-12-06 19:41:16 +0000955 if (idxAction)
956 delete static_cast<IndexSessionData *>(idxAction);
Argyrios Kyrtzidis2957e6f2011-11-22 07:24:51 +0000957}
958
959int clang_indexSourceFile(CXIndexAction idxAction,
960 CXClientData client_data,
961 IndexerCallbacks *index_callbacks,
962 unsigned index_callbacks_size,
963 unsigned index_options,
964 const char *source_filename,
965 const char * const *command_line_args,
966 int num_command_line_args,
967 struct CXUnsavedFile *unsaved_files,
968 unsigned num_unsaved_files,
969 CXTranslationUnit *out_TU,
970 unsigned TU_options) {
Argyrios Kyrtzidisc6f5c6a2013-01-10 18:54:52 +0000971 LOG_FUNC_SECTION {
972 *Log << source_filename << ": ";
973 for (int i = 0; i != num_command_line_args; ++i)
974 *Log << command_line_args[i] << " ";
975 }
Argyrios Kyrtzidis2957e6f2011-11-22 07:24:51 +0000976
977 IndexSourceFileInfo ITUI = { idxAction, client_data, index_callbacks,
978 index_callbacks_size, index_options,
979 source_filename, command_line_args,
980 num_command_line_args, unsaved_files,
981 num_unsaved_files, out_TU, TU_options, 0 };
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000982
Argyrios Kyrtzidise7de9b42011-10-29 19:32:39 +0000983 if (getenv("LIBCLANG_NOTHREADS")) {
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000984 clang_indexSourceFile_Impl(&ITUI);
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000985 return ITUI.result;
986 }
987
988 llvm::CrashRecoveryContext CRC;
989
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +0000990 if (!RunSafely(CRC, clang_indexSourceFile_Impl, &ITUI)) {
991 fprintf(stderr, "libclang: crash detected during indexing source file: {\n");
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +0000992 fprintf(stderr, " 'source_filename' : '%s'\n", source_filename);
993 fprintf(stderr, " 'command_line_args' : [");
994 for (int i = 0; i != num_command_line_args; ++i) {
995 if (i)
996 fprintf(stderr, ", ");
997 fprintf(stderr, "'%s'", command_line_args[i]);
998 }
999 fprintf(stderr, "],\n");
1000 fprintf(stderr, " 'unsaved_files' : [");
1001 for (unsigned i = 0; i != num_unsaved_files; ++i) {
1002 if (i)
1003 fprintf(stderr, ", ");
1004 fprintf(stderr, "('%s', '...', %ld)", unsaved_files[i].Filename,
1005 unsaved_files[i].Length);
1006 }
1007 fprintf(stderr, "],\n");
1008 fprintf(stderr, " 'options' : %d,\n", TU_options);
1009 fprintf(stderr, "}\n");
1010
1011 return 1;
1012 } else if (getenv("LIBCLANG_RESOURCE_USAGE")) {
1013 if (out_TU)
1014 PrintLibclangResourceUsage(*out_TU);
1015 }
1016
1017 return ITUI.result;
1018}
1019
Argyrios Kyrtzidis2957e6f2011-11-22 07:24:51 +00001020int clang_indexTranslationUnit(CXIndexAction idxAction,
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +00001021 CXClientData client_data,
1022 IndexerCallbacks *index_callbacks,
1023 unsigned index_callbacks_size,
Argyrios Kyrtzidis2957e6f2011-11-22 07:24:51 +00001024 unsigned index_options,
1025 CXTranslationUnit TU) {
Argyrios Kyrtzidisc6f5c6a2013-01-10 18:54:52 +00001026 LOG_FUNC_SECTION {
1027 *Log << TU;
1028 }
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +00001029
Argyrios Kyrtzidis2957e6f2011-11-22 07:24:51 +00001030 IndexTranslationUnitInfo ITUI = { idxAction, client_data, index_callbacks,
1031 index_callbacks_size, index_options, TU,
1032 0 };
Argyrios Kyrtzidis21ee5702011-11-15 06:20:16 +00001033
1034 if (getenv("LIBCLANG_NOTHREADS")) {
1035 clang_indexTranslationUnit_Impl(&ITUI);
1036 return ITUI.result;
1037 }
1038
1039 llvm::CrashRecoveryContext CRC;
1040
1041 if (!RunSafely(CRC, clang_indexTranslationUnit_Impl, &ITUI)) {
1042 fprintf(stderr, "libclang: crash detected during indexing TU\n");
1043
1044 return 1;
1045 }
1046
1047 return ITUI.result;
1048}
1049
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +00001050void clang_indexLoc_getFileLocation(CXIdxLoc location,
Argyrios Kyrtzidisdd93c592011-11-11 00:23:36 +00001051 CXIdxClientFile *indexFile,
Argyrios Kyrtzidis4e7064f2011-10-17 19:48:19 +00001052 CXFile *file,
1053 unsigned *line,
1054 unsigned *column,
1055 unsigned *offset) {
1056 if (indexFile) *indexFile = 0;
1057 if (file) *file = 0;
1058 if (line) *line = 0;
1059 if (column) *column = 0;
1060 if (offset) *offset = 0;
1061
1062 SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data);
1063 if (!location.ptr_data[0] || Loc.isInvalid())
1064 return;
1065
1066 IndexingContext &IndexCtx =
1067 *static_cast<IndexingContext*>(location.ptr_data[0]);
1068 IndexCtx.translateLoc(Loc, indexFile, file, line, column, offset);
1069}
1070
1071CXSourceLocation clang_indexLoc_getCXSourceLocation(CXIdxLoc location) {
1072 SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data);
1073 if (!location.ptr_data[0] || Loc.isInvalid())
1074 return clang_getNullLocation();
1075
1076 IndexingContext &IndexCtx =
1077 *static_cast<IndexingContext*>(location.ptr_data[0]);
1078 return cxloc::translateSourceLocation(IndexCtx.getASTContext(), Loc);
1079}
1080
1081} // end: extern "C"
1082