1 //===- 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"
11 #include "CXTranslationUnit.h"
12 #include "CIndexDiagnostic.h"
13
14 #include "clang/Frontend/ASTUnit.h"
15 #include "clang/AST/DeclCXX.h"
16 #include "clang/AST/DeclTemplate.h"
17
18 using namespace clang;
19 using namespace cxindex;
20 using namespace cxcursor;
21
ObjCProtocolListInfo(const ObjCProtocolList & ProtList,IndexingContext & IdxCtx,ScratchAlloc & SA)22 IndexingContext::ObjCProtocolListInfo::ObjCProtocolListInfo(
23 const ObjCProtocolList &ProtList,
24 IndexingContext &IdxCtx,
25 ScratchAlloc &SA) {
26 ObjCInterfaceDecl::protocol_loc_iterator LI = ProtList.loc_begin();
27 for (ObjCInterfaceDecl::protocol_iterator
28 I = ProtList.begin(), E = ProtList.end(); I != E; ++I, ++LI) {
29 SourceLocation Loc = *LI;
30 ObjCProtocolDecl *PD = *I;
31 ProtEntities.push_back(EntityInfo());
32 IdxCtx.getEntityInfo(PD, ProtEntities.back(), SA);
33 CXIdxObjCProtocolRefInfo ProtInfo = { 0,
34 MakeCursorObjCProtocolRef(PD, Loc, IdxCtx.CXTU),
35 IdxCtx.getIndexLoc(Loc) };
36 ProtInfos.push_back(ProtInfo);
37
38 if (IdxCtx.shouldSuppressRefs())
39 IdxCtx.markEntityOccurrenceInFile(PD, Loc);
40 }
41
42 for (unsigned i = 0, e = ProtInfos.size(); i != e; ++i)
43 ProtInfos[i].protocol = &ProtEntities[i];
44
45 for (unsigned i = 0, e = ProtInfos.size(); i != e; ++i)
46 Prots.push_back(&ProtInfos[i]);
47 }
48
49
IBOutletCollectionInfo(const IBOutletCollectionInfo & other)50 IBOutletCollectionInfo::IBOutletCollectionInfo(
51 const IBOutletCollectionInfo &other)
52 : AttrInfo(CXIdxAttr_IBOutletCollection, other.cursor, other.loc, other.A) {
53
54 IBCollInfo.attrInfo = this;
55 IBCollInfo.classCursor = other.IBCollInfo.classCursor;
56 IBCollInfo.classLoc = other.IBCollInfo.classLoc;
57 if (other.IBCollInfo.objcClass) {
58 ClassInfo = other.ClassInfo;
59 IBCollInfo.objcClass = &ClassInfo;
60 } else
61 IBCollInfo.objcClass = 0;
62 }
63
AttrListInfo(const Decl * D,IndexingContext & IdxCtx)64 AttrListInfo::AttrListInfo(const Decl *D, IndexingContext &IdxCtx)
65 : SA(IdxCtx), ref_cnt(0) {
66
67 if (!D->hasAttrs())
68 return;
69
70 for (AttrVec::const_iterator AttrI = D->attr_begin(), AttrE = D->attr_end();
71 AttrI != AttrE; ++AttrI) {
72 const Attr *A = *AttrI;
73 CXCursor C = MakeCXCursor(A, const_cast<Decl *>(D), IdxCtx.CXTU);
74 CXIdxLoc Loc = IdxCtx.getIndexLoc(A->getLocation());
75 switch (C.kind) {
76 default:
77 Attrs.push_back(AttrInfo(CXIdxAttr_Unexposed, C, Loc, A));
78 break;
79 case CXCursor_IBActionAttr:
80 Attrs.push_back(AttrInfo(CXIdxAttr_IBAction, C, Loc, A));
81 break;
82 case CXCursor_IBOutletAttr:
83 Attrs.push_back(AttrInfo(CXIdxAttr_IBOutlet, C, Loc, A));
84 break;
85 case CXCursor_IBOutletCollectionAttr:
86 IBCollAttrs.push_back(IBOutletCollectionInfo(C, Loc, A));
87 break;
88 }
89 }
90
91 for (unsigned i = 0, e = IBCollAttrs.size(); i != e; ++i) {
92 IBOutletCollectionInfo &IBInfo = IBCollAttrs[i];
93 CXAttrs.push_back(&IBInfo);
94
95 const IBOutletCollectionAttr *
96 IBAttr = cast<IBOutletCollectionAttr>(IBInfo.A);
97 IBInfo.IBCollInfo.attrInfo = &IBInfo;
98 IBInfo.IBCollInfo.classLoc = IdxCtx.getIndexLoc(IBAttr->getInterfaceLoc());
99 IBInfo.IBCollInfo.objcClass = 0;
100 IBInfo.IBCollInfo.classCursor = clang_getNullCursor();
101 QualType Ty = IBAttr->getInterface();
102 if (const ObjCInterfaceType *InterTy = Ty->getAs<ObjCInterfaceType>()) {
103 if (const ObjCInterfaceDecl *InterD = InterTy->getInterface()) {
104 IdxCtx.getEntityInfo(InterD, IBInfo.ClassInfo, SA);
105 IBInfo.IBCollInfo.objcClass = &IBInfo.ClassInfo;
106 IBInfo.IBCollInfo.classCursor = MakeCursorObjCClassRef(InterD,
107 IBAttr->getInterfaceLoc(), IdxCtx.CXTU);
108 }
109 }
110 }
111
112 for (unsigned i = 0, e = Attrs.size(); i != e; ++i)
113 CXAttrs.push_back(&Attrs[i]);
114 }
115
116 IntrusiveRefCntPtr<AttrListInfo>
create(const Decl * D,IndexingContext & IdxCtx)117 AttrListInfo::create(const Decl *D, IndexingContext &IdxCtx) {
118 ScratchAlloc SA(IdxCtx);
119 AttrListInfo *attrs = SA.allocate<AttrListInfo>();
120 return new (attrs) AttrListInfo(D, IdxCtx);
121 }
122
CXXBasesListInfo(const CXXRecordDecl * D,IndexingContext & IdxCtx,ScratchAlloc & SA)123 IndexingContext::CXXBasesListInfo::CXXBasesListInfo(const CXXRecordDecl *D,
124 IndexingContext &IdxCtx,
125 ScratchAlloc &SA) {
126 for (CXXRecordDecl::base_class_const_iterator
127 I = D->bases_begin(), E = D->bases_end(); I != E; ++I) {
128 const CXXBaseSpecifier &Base = *I;
129 BaseEntities.push_back(EntityInfo());
130 const NamedDecl *BaseD = 0;
131 QualType T = Base.getType();
132 SourceLocation Loc = getBaseLoc(Base);
133
134 if (const TypedefType *TDT = T->getAs<TypedefType>()) {
135 BaseD = TDT->getDecl();
136 } else if (const TemplateSpecializationType *
137 TST = T->getAs<TemplateSpecializationType>()) {
138 BaseD = TST->getTemplateName().getAsTemplateDecl();
139 } else if (const RecordType *RT = T->getAs<RecordType>()) {
140 BaseD = RT->getDecl();
141 }
142
143 if (BaseD)
144 IdxCtx.getEntityInfo(BaseD, BaseEntities.back(), SA);
145 CXIdxBaseClassInfo BaseInfo = { 0,
146 MakeCursorCXXBaseSpecifier(&Base, IdxCtx.CXTU),
147 IdxCtx.getIndexLoc(Loc) };
148 BaseInfos.push_back(BaseInfo);
149 }
150
151 for (unsigned i = 0, e = BaseInfos.size(); i != e; ++i) {
152 if (BaseEntities[i].name && BaseEntities[i].USR)
153 BaseInfos[i].base = &BaseEntities[i];
154 }
155
156 for (unsigned i = 0, e = BaseInfos.size(); i != e; ++i)
157 CXBases.push_back(&BaseInfos[i]);
158 }
159
getBaseLoc(const CXXBaseSpecifier & Base) const160 SourceLocation IndexingContext::CXXBasesListInfo::getBaseLoc(
161 const CXXBaseSpecifier &Base) const {
162 SourceLocation Loc = Base.getSourceRange().getBegin();
163 TypeLoc TL;
164 if (Base.getTypeSourceInfo())
165 TL = Base.getTypeSourceInfo()->getTypeLoc();
166 if (TL.isNull())
167 return Loc;
168
169 if (const QualifiedTypeLoc *QL = dyn_cast<QualifiedTypeLoc>(&TL))
170 TL = QL->getUnqualifiedLoc();
171
172 if (const ElaboratedTypeLoc *EL = dyn_cast<ElaboratedTypeLoc>(&TL))
173 return EL->getNamedTypeLoc().getBeginLoc();
174 if (const DependentNameTypeLoc *DL = dyn_cast<DependentNameTypeLoc>(&TL))
175 return DL->getNameLoc();
176 if (const DependentTemplateSpecializationTypeLoc *
177 DTL = dyn_cast<DependentTemplateSpecializationTypeLoc>(&TL))
178 return DTL->getTemplateNameLoc();
179
180 return Loc;
181 }
182
toCStr(StringRef Str)183 const char *ScratchAlloc::toCStr(StringRef Str) {
184 if (Str.empty())
185 return "";
186 if (Str.data()[Str.size()] == '\0')
187 return Str.data();
188 return copyCStr(Str);
189 }
190
copyCStr(StringRef Str)191 const char *ScratchAlloc::copyCStr(StringRef Str) {
192 char *buf = IdxCtx.StrScratch.Allocate<char>(Str.size() + 1);
193 std::uninitialized_copy(Str.begin(), Str.end(), buf);
194 buf[Str.size()] = '\0';
195 return buf;
196 }
197
setASTContext(ASTContext & ctx)198 void IndexingContext::setASTContext(ASTContext &ctx) {
199 Ctx = &ctx;
200 static_cast<ASTUnit*>(CXTU->TUData)->setASTContext(&ctx);
201 }
202
setPreprocessor(Preprocessor & PP)203 void IndexingContext::setPreprocessor(Preprocessor &PP) {
204 static_cast<ASTUnit*>(CXTU->TUData)->setPreprocessor(&PP);
205 }
206
shouldAbort()207 bool IndexingContext::shouldAbort() {
208 if (!CB.abortQuery)
209 return false;
210 return CB.abortQuery(ClientData, 0);
211 }
212
enteredMainFile(const FileEntry * File)213 void IndexingContext::enteredMainFile(const FileEntry *File) {
214 if (File && CB.enteredMainFile) {
215 CXIdxClientFile idxFile = CB.enteredMainFile(ClientData, (CXFile)File, 0);
216 FileMap[File] = idxFile;
217 }
218 }
219
ppIncludedFile(SourceLocation hashLoc,StringRef filename,const FileEntry * File,bool isImport,bool isAngled)220 void IndexingContext::ppIncludedFile(SourceLocation hashLoc,
221 StringRef filename,
222 const FileEntry *File,
223 bool isImport, bool isAngled) {
224 if (!CB.ppIncludedFile)
225 return;
226
227 ScratchAlloc SA(*this);
228 CXIdxIncludedFileInfo Info = { getIndexLoc(hashLoc),
229 SA.toCStr(filename),
230 (CXFile)File,
231 isImport, isAngled };
232 CXIdxClientFile idxFile = CB.ppIncludedFile(ClientData, &Info);
233 FileMap[File] = idxFile;
234 }
235
startedTranslationUnit()236 void IndexingContext::startedTranslationUnit() {
237 CXIdxClientContainer idxCont = 0;
238 if (CB.startedTranslationUnit)
239 idxCont = CB.startedTranslationUnit(ClientData, 0);
240 addContainerInMap(Ctx->getTranslationUnitDecl(), idxCont);
241 }
242
handleDiagnosticSet(CXDiagnostic CXDiagSet)243 void IndexingContext::handleDiagnosticSet(CXDiagnostic CXDiagSet) {
244 if (!CB.diagnostic)
245 return;
246
247 CB.diagnostic(ClientData, CXDiagSet, 0);
248 }
249
handleDecl(const NamedDecl * D,SourceLocation Loc,CXCursor Cursor,DeclInfo & DInfo,const DeclContext * LexicalDC)250 bool IndexingContext::handleDecl(const NamedDecl *D,
251 SourceLocation Loc, CXCursor Cursor,
252 DeclInfo &DInfo,
253 const DeclContext *LexicalDC) {
254 if (!CB.indexDeclaration || !D)
255 return false;
256 if (D->isImplicit() && shouldIgnoreIfImplicit(D))
257 return false;
258
259 ScratchAlloc SA(*this);
260 getEntityInfo(D, DInfo.EntInfo, SA);
261 if ((!shouldIndexFunctionLocalSymbols() && !DInfo.EntInfo.USR)
262 || Loc.isInvalid())
263 return false;
264
265 if (!LexicalDC)
266 LexicalDC = D->getLexicalDeclContext();
267
268 if (shouldSuppressRefs())
269 markEntityOccurrenceInFile(D, Loc);
270
271 DInfo.entityInfo = &DInfo.EntInfo;
272 DInfo.cursor = Cursor;
273 DInfo.loc = getIndexLoc(Loc);
274 DInfo.isImplicit = D->isImplicit();
275
276 DInfo.attributes = DInfo.EntInfo.attributes;
277 DInfo.numAttributes = DInfo.EntInfo.numAttributes;
278
279 getContainerInfo(D->getDeclContext(), DInfo.SemanticContainer);
280 DInfo.semanticContainer = &DInfo.SemanticContainer;
281
282 if (LexicalDC == D->getDeclContext()) {
283 DInfo.lexicalContainer = &DInfo.SemanticContainer;
284 } else if (isTemplateImplicitInstantiation(D)) {
285 // Implicit instantiations have the lexical context of where they were
286 // instantiated first. We choose instead the semantic context because:
287 // 1) at the time that we see the instantiation we have not seen the
288 // function where it occurred yet.
289 // 2) the lexical context of the first instantiation is not useful
290 // information anyway.
291 DInfo.lexicalContainer = &DInfo.SemanticContainer;
292 } else {
293 getContainerInfo(LexicalDC, DInfo.LexicalContainer);
294 DInfo.lexicalContainer = &DInfo.LexicalContainer;
295 }
296
297 if (DInfo.isContainer) {
298 getContainerInfo(getEntityContainer(D), DInfo.DeclAsContainer);
299 DInfo.declAsContainer = &DInfo.DeclAsContainer;
300 }
301
302 CB.indexDeclaration(ClientData, &DInfo);
303 return true;
304 }
305
handleObjCContainer(const ObjCContainerDecl * D,SourceLocation Loc,CXCursor Cursor,ObjCContainerDeclInfo & ContDInfo)306 bool IndexingContext::handleObjCContainer(const ObjCContainerDecl *D,
307 SourceLocation Loc, CXCursor Cursor,
308 ObjCContainerDeclInfo &ContDInfo) {
309 ContDInfo.ObjCContDeclInfo.declInfo = &ContDInfo;
310 return handleDecl(D, Loc, Cursor, ContDInfo);
311 }
312
handleFunction(const FunctionDecl * D)313 bool IndexingContext::handleFunction(const FunctionDecl *D) {
314 DeclInfo DInfo(!D->isFirstDeclaration(), D->isThisDeclarationADefinition(),
315 D->isThisDeclarationADefinition());
316 return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
317 }
318
handleVar(const VarDecl * D)319 bool IndexingContext::handleVar(const VarDecl *D) {
320 DeclInfo DInfo(!D->isFirstDeclaration(), D->isThisDeclarationADefinition(),
321 /*isContainer=*/false);
322 return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
323 }
324
handleField(const FieldDecl * D)325 bool IndexingContext::handleField(const FieldDecl *D) {
326 DeclInfo DInfo(/*isRedeclaration=*/false, /*isDefinition=*/true,
327 /*isContainer=*/false);
328 return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
329 }
330
handleEnumerator(const EnumConstantDecl * D)331 bool IndexingContext::handleEnumerator(const EnumConstantDecl *D) {
332 DeclInfo DInfo(/*isRedeclaration=*/false, /*isDefinition=*/true,
333 /*isContainer=*/false);
334 return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
335 }
336
handleTagDecl(const TagDecl * D)337 bool IndexingContext::handleTagDecl(const TagDecl *D) {
338 if (const CXXRecordDecl *CXXRD = dyn_cast<CXXRecordDecl>(D))
339 return handleCXXRecordDecl(CXXRD, D);
340
341 DeclInfo DInfo(!D->isFirstDeclaration(), D->isThisDeclarationADefinition(),
342 D->isThisDeclarationADefinition());
343 return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
344 }
345
handleTypedefName(const TypedefNameDecl * D)346 bool IndexingContext::handleTypedefName(const TypedefNameDecl *D) {
347 DeclInfo DInfo(!D->isFirstDeclaration(), /*isDefinition=*/true,
348 /*isContainer=*/false);
349 return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
350 }
351
handleObjCInterface(const ObjCInterfaceDecl * D)352 bool IndexingContext::handleObjCInterface(const ObjCInterfaceDecl *D) {
353 // For @class forward declarations, suppress them the same way as references.
354 if (!D->isThisDeclarationADefinition()) {
355 if (shouldSuppressRefs() && markEntityOccurrenceInFile(D, D->getLocation()))
356 return false; // already occurred.
357
358 // FIXME: This seems like the wrong definition for redeclaration.
359 bool isRedeclaration = D->hasDefinition() || D->getPreviousDecl();
360 ObjCContainerDeclInfo ContDInfo(/*isForwardRef=*/true, isRedeclaration,
361 /*isImplementation=*/false);
362 return handleObjCContainer(D, D->getLocation(),
363 MakeCursorObjCClassRef(D, D->getLocation(),
364 CXTU),
365 ContDInfo);
366 }
367
368 ScratchAlloc SA(*this);
369
370 CXIdxBaseClassInfo BaseClass;
371 EntityInfo BaseEntity;
372 BaseClass.cursor = clang_getNullCursor();
373 if (ObjCInterfaceDecl *SuperD = D->getSuperClass()) {
374 getEntityInfo(SuperD, BaseEntity, SA);
375 SourceLocation SuperLoc = D->getSuperClassLoc();
376 BaseClass.base = &BaseEntity;
377 BaseClass.cursor = MakeCursorObjCSuperClassRef(SuperD, SuperLoc, CXTU);
378 BaseClass.loc = getIndexLoc(SuperLoc);
379
380 if (shouldSuppressRefs())
381 markEntityOccurrenceInFile(SuperD, SuperLoc);
382 }
383
384 ObjCProtocolList EmptyProtoList;
385 ObjCProtocolListInfo ProtInfo(D->isThisDeclarationADefinition()
386 ? D->getReferencedProtocols()
387 : EmptyProtoList,
388 *this, SA);
389
390 ObjCInterfaceDeclInfo InterInfo(D);
391 InterInfo.ObjCProtoListInfo = ProtInfo.getListInfo();
392 InterInfo.ObjCInterDeclInfo.containerInfo = &InterInfo.ObjCContDeclInfo;
393 InterInfo.ObjCInterDeclInfo.superInfo = D->getSuperClass() ? &BaseClass : 0;
394 InterInfo.ObjCInterDeclInfo.protocols = &InterInfo.ObjCProtoListInfo;
395
396 return handleObjCContainer(D, D->getLocation(), getCursor(D), InterInfo);
397 }
398
handleObjCImplementation(const ObjCImplementationDecl * D)399 bool IndexingContext::handleObjCImplementation(
400 const ObjCImplementationDecl *D) {
401 ObjCContainerDeclInfo ContDInfo(/*isForwardRef=*/false,
402 /*isRedeclaration=*/true,
403 /*isImplementation=*/true);
404 return handleObjCContainer(D, D->getLocation(), getCursor(D), ContDInfo);
405 }
406
handleObjCProtocol(const ObjCProtocolDecl * D)407 bool IndexingContext::handleObjCProtocol(const ObjCProtocolDecl *D) {
408 if (!D->isThisDeclarationADefinition()) {
409 if (shouldSuppressRefs() && markEntityOccurrenceInFile(D, D->getLocation()))
410 return false; // already occurred.
411
412 // FIXME: This seems like the wrong definition for redeclaration.
413 bool isRedeclaration = D->hasDefinition() || D->getPreviousDecl();
414 ObjCContainerDeclInfo ContDInfo(/*isForwardRef=*/true,
415 isRedeclaration,
416 /*isImplementation=*/false);
417 return handleObjCContainer(D, D->getLocation(),
418 MakeCursorObjCProtocolRef(D, D->getLocation(),
419 CXTU),
420 ContDInfo);
421 }
422
423 ScratchAlloc SA(*this);
424 ObjCProtocolList EmptyProtoList;
425 ObjCProtocolListInfo ProtListInfo(D->isThisDeclarationADefinition()
426 ? D->getReferencedProtocols()
427 : EmptyProtoList,
428 *this, SA);
429
430 ObjCProtocolDeclInfo ProtInfo(D);
431 ProtInfo.ObjCProtoRefListInfo = ProtListInfo.getListInfo();
432
433 return handleObjCContainer(D, D->getLocation(), getCursor(D), ProtInfo);
434 }
435
handleObjCCategory(const ObjCCategoryDecl * D)436 bool IndexingContext::handleObjCCategory(const ObjCCategoryDecl *D) {
437 ScratchAlloc SA(*this);
438
439 ObjCCategoryDeclInfo CatDInfo(/*isImplementation=*/false);
440 EntityInfo ClassEntity;
441 const ObjCInterfaceDecl *IFaceD = D->getClassInterface();
442 SourceLocation ClassLoc = D->getLocation();
443 SourceLocation CategoryLoc = D->IsClassExtension() ? ClassLoc
444 : D->getCategoryNameLoc();
445 getEntityInfo(IFaceD, ClassEntity, SA);
446
447 if (shouldSuppressRefs())
448 markEntityOccurrenceInFile(IFaceD, ClassLoc);
449
450 ObjCProtocolListInfo ProtInfo(D->getReferencedProtocols(), *this, SA);
451
452 CatDInfo.ObjCCatDeclInfo.containerInfo = &CatDInfo.ObjCContDeclInfo;
453 if (IFaceD) {
454 CatDInfo.ObjCCatDeclInfo.objcClass = &ClassEntity;
455 CatDInfo.ObjCCatDeclInfo.classCursor =
456 MakeCursorObjCClassRef(IFaceD, ClassLoc, CXTU);
457 } else {
458 CatDInfo.ObjCCatDeclInfo.objcClass = 0;
459 CatDInfo.ObjCCatDeclInfo.classCursor = clang_getNullCursor();
460 }
461 CatDInfo.ObjCCatDeclInfo.classLoc = getIndexLoc(ClassLoc);
462 CatDInfo.ObjCProtoListInfo = ProtInfo.getListInfo();
463 CatDInfo.ObjCCatDeclInfo.protocols = &CatDInfo.ObjCProtoListInfo;
464
465 return handleObjCContainer(D, CategoryLoc, getCursor(D), CatDInfo);
466 }
467
handleObjCCategoryImpl(const ObjCCategoryImplDecl * D)468 bool IndexingContext::handleObjCCategoryImpl(const ObjCCategoryImplDecl *D) {
469 ScratchAlloc SA(*this);
470
471 const ObjCCategoryDecl *CatD = D->getCategoryDecl();
472 ObjCCategoryDeclInfo CatDInfo(/*isImplementation=*/true);
473 EntityInfo ClassEntity;
474 const ObjCInterfaceDecl *IFaceD = CatD->getClassInterface();
475 SourceLocation ClassLoc = D->getLocation();
476 SourceLocation CategoryLoc = D->getCategoryNameLoc();
477 getEntityInfo(IFaceD, ClassEntity, SA);
478
479 if (shouldSuppressRefs())
480 markEntityOccurrenceInFile(IFaceD, ClassLoc);
481
482 CatDInfo.ObjCCatDeclInfo.containerInfo = &CatDInfo.ObjCContDeclInfo;
483 if (IFaceD) {
484 CatDInfo.ObjCCatDeclInfo.objcClass = &ClassEntity;
485 CatDInfo.ObjCCatDeclInfo.classCursor =
486 MakeCursorObjCClassRef(IFaceD, ClassLoc, CXTU);
487 } else {
488 CatDInfo.ObjCCatDeclInfo.objcClass = 0;
489 CatDInfo.ObjCCatDeclInfo.classCursor = clang_getNullCursor();
490 }
491 CatDInfo.ObjCCatDeclInfo.classLoc = getIndexLoc(ClassLoc);
492 CatDInfo.ObjCCatDeclInfo.protocols = 0;
493
494 return handleObjCContainer(D, CategoryLoc, getCursor(D), CatDInfo);
495 }
496
handleObjCMethod(const ObjCMethodDecl * D)497 bool IndexingContext::handleObjCMethod(const ObjCMethodDecl *D) {
498 DeclInfo DInfo(!D->isCanonicalDecl(), D->isThisDeclarationADefinition(),
499 D->isThisDeclarationADefinition());
500 return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
501 }
502
handleSynthesizedObjCProperty(const ObjCPropertyImplDecl * D)503 bool IndexingContext::handleSynthesizedObjCProperty(
504 const ObjCPropertyImplDecl *D) {
505 ObjCPropertyDecl *PD = D->getPropertyDecl();
506 return handleReference(PD, D->getLocation(), getCursor(D), 0, D->getDeclContext());
507 }
508
handleSynthesizedObjCMethod(const ObjCMethodDecl * D,SourceLocation Loc,const DeclContext * LexicalDC)509 bool IndexingContext::handleSynthesizedObjCMethod(const ObjCMethodDecl *D,
510 SourceLocation Loc,
511 const DeclContext *LexicalDC) {
512 DeclInfo DInfo(/*isRedeclaration=*/true, /*isDefinition=*/true,
513 /*isContainer=*/false);
514 return handleDecl(D, Loc, getCursor(D), DInfo, LexicalDC);
515 }
516
handleObjCProperty(const ObjCPropertyDecl * D)517 bool IndexingContext::handleObjCProperty(const ObjCPropertyDecl *D) {
518 ScratchAlloc SA(*this);
519
520 ObjCPropertyDeclInfo DInfo;
521 EntityInfo GetterEntity;
522 EntityInfo SetterEntity;
523
524 DInfo.ObjCPropDeclInfo.declInfo = &DInfo;
525
526 if (ObjCMethodDecl *Getter = D->getGetterMethodDecl()) {
527 getEntityInfo(Getter, GetterEntity, SA);
528 DInfo.ObjCPropDeclInfo.getter = &GetterEntity;
529 } else {
530 DInfo.ObjCPropDeclInfo.getter = 0;
531 }
532 if (ObjCMethodDecl *Setter = D->getSetterMethodDecl()) {
533 getEntityInfo(Setter, SetterEntity, SA);
534 DInfo.ObjCPropDeclInfo.setter = &SetterEntity;
535 } else {
536 DInfo.ObjCPropDeclInfo.setter = 0;
537 }
538
539 return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
540 }
541
handleNamespace(const NamespaceDecl * D)542 bool IndexingContext::handleNamespace(const NamespaceDecl *D) {
543 DeclInfo DInfo(/*isRedeclaration=*/!D->isOriginalNamespace(),
544 /*isDefinition=*/true,
545 /*isContainer=*/true);
546 return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
547 }
548
handleClassTemplate(const ClassTemplateDecl * D)549 bool IndexingContext::handleClassTemplate(const ClassTemplateDecl *D) {
550 return handleCXXRecordDecl(D->getTemplatedDecl(), D);
551 }
552
handleFunctionTemplate(const FunctionTemplateDecl * D)553 bool IndexingContext::handleFunctionTemplate(const FunctionTemplateDecl *D) {
554 DeclInfo DInfo(/*isRedeclaration=*/!D->isCanonicalDecl(),
555 /*isDefinition=*/D->isThisDeclarationADefinition(),
556 /*isContainer=*/D->isThisDeclarationADefinition());
557 return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
558 }
559
handleTypeAliasTemplate(const TypeAliasTemplateDecl * D)560 bool IndexingContext::handleTypeAliasTemplate(const TypeAliasTemplateDecl *D) {
561 DeclInfo DInfo(/*isRedeclaration=*/!D->isCanonicalDecl(),
562 /*isDefinition=*/true, /*isContainer=*/false);
563 return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
564 }
565
handleReference(const NamedDecl * D,SourceLocation Loc,const NamedDecl * Parent,const DeclContext * DC,const Expr * E,CXIdxEntityRefKind Kind)566 bool IndexingContext::handleReference(const NamedDecl *D, SourceLocation Loc,
567 const NamedDecl *Parent,
568 const DeclContext *DC,
569 const Expr *E,
570 CXIdxEntityRefKind Kind) {
571 if (!D)
572 return false;
573
574 CXCursor Cursor = E ? MakeCXCursor(const_cast<Expr*>(E),
575 const_cast<Decl*>(cast<Decl>(DC)), CXTU)
576 : getRefCursor(D, Loc);
577 return handleReference(D, Loc, Cursor, Parent, DC, E, Kind);
578 }
579
handleReference(const NamedDecl * D,SourceLocation Loc,CXCursor Cursor,const NamedDecl * Parent,const DeclContext * DC,const Expr * E,CXIdxEntityRefKind Kind)580 bool IndexingContext::handleReference(const NamedDecl *D, SourceLocation Loc,
581 CXCursor Cursor,
582 const NamedDecl *Parent,
583 const DeclContext *DC,
584 const Expr *E,
585 CXIdxEntityRefKind Kind) {
586 if (!CB.indexEntityReference)
587 return false;
588
589 if (!D)
590 return false;
591 if (Loc.isInvalid())
592 return false;
593 if (!shouldIndexFunctionLocalSymbols() && D->getParentFunctionOrMethod())
594 return false;
595 if (isNotFromSourceFile(D->getLocation()))
596 return false;
597 if (D->isImplicit() && shouldIgnoreIfImplicit(D))
598 return false;
599
600 if (shouldSuppressRefs()) {
601 if (markEntityOccurrenceInFile(D, Loc))
602 return false; // already occurred.
603 }
604
605 ScratchAlloc SA(*this);
606 EntityInfo RefEntity, ParentEntity;
607 getEntityInfo(D, RefEntity, SA);
608 if (!RefEntity.USR)
609 return false;
610
611 getEntityInfo(Parent, ParentEntity, SA);
612
613 ContainerInfo Container;
614 getContainerInfo(DC, Container);
615
616 CXIdxEntityRefInfo Info = { Kind,
617 Cursor,
618 getIndexLoc(Loc),
619 &RefEntity,
620 Parent ? &ParentEntity : 0,
621 &Container };
622 CB.indexEntityReference(ClientData, &Info);
623 return true;
624 }
625
isNotFromSourceFile(SourceLocation Loc) const626 bool IndexingContext::isNotFromSourceFile(SourceLocation Loc) const {
627 if (Loc.isInvalid())
628 return true;
629 SourceManager &SM = Ctx->getSourceManager();
630 SourceLocation FileLoc = SM.getFileLoc(Loc);
631 FileID FID = SM.getFileID(FileLoc);
632 return SM.getFileEntryForID(FID) == 0;
633 }
634
addContainerInMap(const DeclContext * DC,CXIdxClientContainer container)635 void IndexingContext::addContainerInMap(const DeclContext *DC,
636 CXIdxClientContainer container) {
637 if (!DC)
638 return;
639
640 ContainerMapTy::iterator I = ContainerMap.find(DC);
641 if (I == ContainerMap.end()) {
642 if (container)
643 ContainerMap[DC] = container;
644 return;
645 }
646 // Allow changing the container of a previously seen DeclContext so we
647 // can handle invalid user code, like a function re-definition.
648 if (container)
649 I->second = container;
650 else
651 ContainerMap.erase(I);
652 }
653
getClientEntity(const Decl * D) const654 CXIdxClientEntity IndexingContext::getClientEntity(const Decl *D) const {
655 if (!D)
656 return 0;
657 EntityMapTy::const_iterator I = EntityMap.find(D);
658 if (I == EntityMap.end())
659 return 0;
660 return I->second;
661 }
662
setClientEntity(const Decl * D,CXIdxClientEntity client)663 void IndexingContext::setClientEntity(const Decl *D, CXIdxClientEntity client) {
664 if (!D)
665 return;
666 EntityMap[D] = client;
667 }
668
handleCXXRecordDecl(const CXXRecordDecl * RD,const NamedDecl * OrigD)669 bool IndexingContext::handleCXXRecordDecl(const CXXRecordDecl *RD,
670 const NamedDecl *OrigD) {
671 if (RD->isThisDeclarationADefinition()) {
672 ScratchAlloc SA(*this);
673 CXXClassDeclInfo CXXDInfo(/*isRedeclaration=*/!OrigD->isCanonicalDecl(),
674 /*isDefinition=*/RD->isThisDeclarationADefinition());
675 CXXBasesListInfo BaseList(RD, *this, SA);
676 CXXDInfo.CXXClassInfo.declInfo = &CXXDInfo;
677 CXXDInfo.CXXClassInfo.bases = BaseList.getBases();
678 CXXDInfo.CXXClassInfo.numBases = BaseList.getNumBases();
679
680 if (shouldSuppressRefs()) {
681 // Go through bases and mark them as referenced.
682 for (unsigned i = 0, e = BaseList.getNumBases(); i != e; ++i) {
683 const CXIdxBaseClassInfo *baseInfo = BaseList.getBases()[i];
684 if (baseInfo->base) {
685 const NamedDecl *BaseD = BaseList.BaseEntities[i].Dcl;
686 SourceLocation
687 Loc = SourceLocation::getFromRawEncoding(baseInfo->loc.int_data);
688 markEntityOccurrenceInFile(BaseD, Loc);
689 }
690 }
691 }
692
693 return handleDecl(OrigD, OrigD->getLocation(), getCursor(OrigD), CXXDInfo);
694 }
695
696 DeclInfo DInfo(/*isRedeclaration=*/!OrigD->isCanonicalDecl(),
697 /*isDefinition=*/RD->isThisDeclarationADefinition(),
698 /*isContainer=*/RD->isThisDeclarationADefinition());
699 return handleDecl(OrigD, OrigD->getLocation(), getCursor(OrigD), DInfo);
700 }
701
markEntityOccurrenceInFile(const NamedDecl * D,SourceLocation Loc)702 bool IndexingContext::markEntityOccurrenceInFile(const NamedDecl *D,
703 SourceLocation Loc) {
704 if (!D || Loc.isInvalid())
705 return true;
706
707 SourceManager &SM = Ctx->getSourceManager();
708 D = getEntityDecl(D);
709
710 std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(SM.getFileLoc(Loc));
711 FileID FID = LocInfo.first;
712 if (FID.isInvalid())
713 return true;
714
715 const FileEntry *FE = SM.getFileEntryForID(FID);
716 if (!FE)
717 return true;
718 RefFileOccurence RefOccur(FE, D);
719 std::pair<llvm::DenseSet<RefFileOccurence>::iterator, bool>
720 res = RefFileOccurences.insert(RefOccur);
721 if (!res.second)
722 return true; // already in map.
723
724 return false;
725 }
726
getEntityDecl(const NamedDecl * D) const727 const NamedDecl *IndexingContext::getEntityDecl(const NamedDecl *D) const {
728 assert(D);
729 D = cast<NamedDecl>(D->getCanonicalDecl());
730
731 if (const ObjCImplementationDecl *
732 ImplD = dyn_cast<ObjCImplementationDecl>(D)) {
733 return getEntityDecl(ImplD->getClassInterface());
734
735 } else if (const ObjCCategoryImplDecl *
736 CatImplD = dyn_cast<ObjCCategoryImplDecl>(D)) {
737 return getEntityDecl(CatImplD->getCategoryDecl());
738 } else if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
739 if (FunctionTemplateDecl *TemplD = FD->getDescribedFunctionTemplate())
740 return getEntityDecl(TemplD);
741 } else if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D)) {
742 if (ClassTemplateDecl *TemplD = RD->getDescribedClassTemplate())
743 return getEntityDecl(TemplD);
744 }
745
746 return D;
747 }
748
749 const DeclContext *
getEntityContainer(const Decl * D) const750 IndexingContext::getEntityContainer(const Decl *D) const {
751 const DeclContext *DC = dyn_cast<DeclContext>(D);
752 if (DC)
753 return DC;
754
755 if (const ClassTemplateDecl *ClassTempl = dyn_cast<ClassTemplateDecl>(D)) {
756 DC = ClassTempl->getTemplatedDecl();
757 } if (const FunctionTemplateDecl *
758 FuncTempl = dyn_cast<FunctionTemplateDecl>(D)) {
759 DC = FuncTempl->getTemplatedDecl();
760 }
761
762 return DC;
763 }
764
765 CXIdxClientContainer
getClientContainerForDC(const DeclContext * DC) const766 IndexingContext::getClientContainerForDC(const DeclContext *DC) const {
767 if (!DC)
768 return 0;
769
770 ContainerMapTy::const_iterator I = ContainerMap.find(DC);
771 if (I == ContainerMap.end())
772 return 0;
773
774 return I->second;
775 }
776
getIndexFile(const FileEntry * File)777 CXIdxClientFile IndexingContext::getIndexFile(const FileEntry *File) {
778 if (!File)
779 return 0;
780
781 FileMapTy::iterator FI = FileMap.find(File);
782 if (FI != FileMap.end())
783 return FI->second;
784
785 return 0;
786 }
787
getIndexLoc(SourceLocation Loc) const788 CXIdxLoc IndexingContext::getIndexLoc(SourceLocation Loc) const {
789 CXIdxLoc idxLoc = { {0, 0}, 0 };
790 if (Loc.isInvalid())
791 return idxLoc;
792
793 idxLoc.ptr_data[0] = (void*)this;
794 idxLoc.int_data = Loc.getRawEncoding();
795 return idxLoc;
796 }
797
translateLoc(SourceLocation Loc,CXIdxClientFile * indexFile,CXFile * file,unsigned * line,unsigned * column,unsigned * offset)798 void IndexingContext::translateLoc(SourceLocation Loc,
799 CXIdxClientFile *indexFile, CXFile *file,
800 unsigned *line, unsigned *column,
801 unsigned *offset) {
802 if (Loc.isInvalid())
803 return;
804
805 SourceManager &SM = Ctx->getSourceManager();
806 Loc = SM.getFileLoc(Loc);
807
808 std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(Loc);
809 FileID FID = LocInfo.first;
810 unsigned FileOffset = LocInfo.second;
811
812 if (FID.isInvalid())
813 return;
814
815 const FileEntry *FE = SM.getFileEntryForID(FID);
816 if (indexFile)
817 *indexFile = getIndexFile(FE);
818 if (file)
819 *file = (void *)FE;
820 if (line)
821 *line = SM.getLineNumber(FID, FileOffset);
822 if (column)
823 *column = SM.getColumnNumber(FID, FileOffset);
824 if (offset)
825 *offset = FileOffset;
826 }
827
getEntityInfo(const NamedDecl * D,EntityInfo & EntityInfo,ScratchAlloc & SA)828 void IndexingContext::getEntityInfo(const NamedDecl *D,
829 EntityInfo &EntityInfo,
830 ScratchAlloc &SA) {
831 if (!D)
832 return;
833
834 D = getEntityDecl(D);
835 EntityInfo.cursor = getCursor(D);
836 EntityInfo.Dcl = D;
837 EntityInfo.IndexCtx = this;
838 EntityInfo.kind = CXIdxEntity_Unexposed;
839 EntityInfo.templateKind = CXIdxEntity_NonTemplate;
840 EntityInfo.lang = CXIdxEntityLang_C;
841
842 if (D->hasAttrs()) {
843 EntityInfo.AttrList = AttrListInfo::create(D, *this);
844 EntityInfo.attributes = EntityInfo.AttrList->getAttrs();
845 EntityInfo.numAttributes = EntityInfo.AttrList->getNumAttrs();
846 }
847
848 if (const TagDecl *TD = dyn_cast<TagDecl>(D)) {
849 switch (TD->getTagKind()) {
850 case TTK_Struct:
851 EntityInfo.kind = CXIdxEntity_Struct; break;
852 case TTK_Union:
853 EntityInfo.kind = CXIdxEntity_Union; break;
854 case TTK_Class:
855 EntityInfo.kind = CXIdxEntity_CXXClass;
856 EntityInfo.lang = CXIdxEntityLang_CXX;
857 break;
858 case TTK_Interface:
859 EntityInfo.kind = CXIdxEntity_CXXInterface;
860 EntityInfo.lang = CXIdxEntityLang_CXX;
861 break;
862 case TTK_Enum:
863 EntityInfo.kind = CXIdxEntity_Enum; break;
864 }
865
866 if (const CXXRecordDecl *CXXRec = dyn_cast<CXXRecordDecl>(D))
867 if (!CXXRec->isCLike())
868 EntityInfo.lang = CXIdxEntityLang_CXX;
869
870 if (isa<ClassTemplatePartialSpecializationDecl>(D)) {
871 EntityInfo.templateKind = CXIdxEntity_TemplatePartialSpecialization;
872 } else if (isa<ClassTemplateSpecializationDecl>(D)) {
873 EntityInfo.templateKind = CXIdxEntity_TemplateSpecialization;
874 }
875
876 } else {
877 switch (D->getKind()) {
878 case Decl::Typedef:
879 EntityInfo.kind = CXIdxEntity_Typedef; break;
880 case Decl::Function:
881 EntityInfo.kind = CXIdxEntity_Function;
882 break;
883 case Decl::ParmVar:
884 EntityInfo.kind = CXIdxEntity_Variable;
885 break;
886 case Decl::Var:
887 EntityInfo.kind = CXIdxEntity_Variable;
888 if (isa<CXXRecordDecl>(D->getDeclContext())) {
889 EntityInfo.kind = CXIdxEntity_CXXStaticVariable;
890 EntityInfo.lang = CXIdxEntityLang_CXX;
891 }
892 break;
893 case Decl::Field:
894 EntityInfo.kind = CXIdxEntity_Field;
895 if (const CXXRecordDecl *
896 CXXRec = dyn_cast<CXXRecordDecl>(D->getDeclContext())) {
897 // FIXME: isPOD check is not sufficient, a POD can contain methods,
898 // we want a isCStructLike check.
899 if (!CXXRec->isPOD())
900 EntityInfo.lang = CXIdxEntityLang_CXX;
901 }
902 break;
903 case Decl::EnumConstant:
904 EntityInfo.kind = CXIdxEntity_EnumConstant; break;
905 case Decl::ObjCInterface:
906 EntityInfo.kind = CXIdxEntity_ObjCClass;
907 EntityInfo.lang = CXIdxEntityLang_ObjC;
908 break;
909 case Decl::ObjCProtocol:
910 EntityInfo.kind = CXIdxEntity_ObjCProtocol;
911 EntityInfo.lang = CXIdxEntityLang_ObjC;
912 break;
913 case Decl::ObjCCategory:
914 EntityInfo.kind = CXIdxEntity_ObjCCategory;
915 EntityInfo.lang = CXIdxEntityLang_ObjC;
916 break;
917 case Decl::ObjCMethod:
918 if (cast<ObjCMethodDecl>(D)->isInstanceMethod())
919 EntityInfo.kind = CXIdxEntity_ObjCInstanceMethod;
920 else
921 EntityInfo.kind = CXIdxEntity_ObjCClassMethod;
922 EntityInfo.lang = CXIdxEntityLang_ObjC;
923 break;
924 case Decl::ObjCProperty:
925 EntityInfo.kind = CXIdxEntity_ObjCProperty;
926 EntityInfo.lang = CXIdxEntityLang_ObjC;
927 break;
928 case Decl::ObjCIvar:
929 EntityInfo.kind = CXIdxEntity_ObjCIvar;
930 EntityInfo.lang = CXIdxEntityLang_ObjC;
931 break;
932 case Decl::Namespace:
933 EntityInfo.kind = CXIdxEntity_CXXNamespace;
934 EntityInfo.lang = CXIdxEntityLang_CXX;
935 break;
936 case Decl::NamespaceAlias:
937 EntityInfo.kind = CXIdxEntity_CXXNamespaceAlias;
938 EntityInfo.lang = CXIdxEntityLang_CXX;
939 break;
940 case Decl::CXXConstructor:
941 EntityInfo.kind = CXIdxEntity_CXXConstructor;
942 EntityInfo.lang = CXIdxEntityLang_CXX;
943 break;
944 case Decl::CXXDestructor:
945 EntityInfo.kind = CXIdxEntity_CXXDestructor;
946 EntityInfo.lang = CXIdxEntityLang_CXX;
947 break;
948 case Decl::CXXConversion:
949 EntityInfo.kind = CXIdxEntity_CXXConversionFunction;
950 EntityInfo.lang = CXIdxEntityLang_CXX;
951 break;
952 case Decl::CXXMethod: {
953 const CXXMethodDecl *MD = cast<CXXMethodDecl>(D);
954 if (MD->isStatic())
955 EntityInfo.kind = CXIdxEntity_CXXStaticMethod;
956 else
957 EntityInfo.kind = CXIdxEntity_CXXInstanceMethod;
958 EntityInfo.lang = CXIdxEntityLang_CXX;
959 break;
960 }
961 case Decl::ClassTemplate:
962 EntityInfo.kind = CXIdxEntity_CXXClass;
963 EntityInfo.templateKind = CXIdxEntity_Template;
964 break;
965 case Decl::FunctionTemplate:
966 EntityInfo.kind = CXIdxEntity_Function;
967 EntityInfo.templateKind = CXIdxEntity_Template;
968 if (const CXXMethodDecl *MD = dyn_cast_or_null<CXXMethodDecl>(
969 cast<FunctionTemplateDecl>(D)->getTemplatedDecl())) {
970 if (isa<CXXConstructorDecl>(MD))
971 EntityInfo.kind = CXIdxEntity_CXXConstructor;
972 else if (isa<CXXDestructorDecl>(MD))
973 EntityInfo.kind = CXIdxEntity_CXXDestructor;
974 else if (isa<CXXConversionDecl>(MD))
975 EntityInfo.kind = CXIdxEntity_CXXConversionFunction;
976 else {
977 if (MD->isStatic())
978 EntityInfo.kind = CXIdxEntity_CXXStaticMethod;
979 else
980 EntityInfo.kind = CXIdxEntity_CXXInstanceMethod;
981 }
982 }
983 break;
984 case Decl::TypeAliasTemplate:
985 EntityInfo.kind = CXIdxEntity_CXXTypeAlias;
986 EntityInfo.templateKind = CXIdxEntity_Template;
987 break;
988 case Decl::TypeAlias:
989 EntityInfo.kind = CXIdxEntity_CXXTypeAlias;
990 EntityInfo.lang = CXIdxEntityLang_CXX;
991 break;
992 default:
993 break;
994 }
995 }
996
997 if (EntityInfo.kind == CXIdxEntity_Unexposed)
998 return;
999
1000 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
1001 if (FD->getTemplatedKind() ==
1002 FunctionDecl::TK_FunctionTemplateSpecialization)
1003 EntityInfo.templateKind = CXIdxEntity_TemplateSpecialization;
1004 }
1005
1006 if (EntityInfo.templateKind != CXIdxEntity_NonTemplate)
1007 EntityInfo.lang = CXIdxEntityLang_CXX;
1008
1009 if (IdentifierInfo *II = D->getIdentifier()) {
1010 EntityInfo.name = SA.toCStr(II->getName());
1011
1012 } else if (isa<TagDecl>(D) || isa<FieldDecl>(D) || isa<NamespaceDecl>(D)) {
1013 EntityInfo.name = 0; // anonymous tag/field/namespace.
1014
1015 } else {
1016 SmallString<256> StrBuf;
1017 {
1018 llvm::raw_svector_ostream OS(StrBuf);
1019 D->printName(OS);
1020 }
1021 EntityInfo.name = SA.copyCStr(StrBuf.str());
1022 }
1023
1024 {
1025 SmallString<512> StrBuf;
1026 bool Ignore = getDeclCursorUSR(D, StrBuf);
1027 if (Ignore) {
1028 EntityInfo.USR = 0;
1029 } else {
1030 EntityInfo.USR = SA.copyCStr(StrBuf.str());
1031 }
1032 }
1033 }
1034
getContainerInfo(const DeclContext * DC,ContainerInfo & ContInfo)1035 void IndexingContext::getContainerInfo(const DeclContext *DC,
1036 ContainerInfo &ContInfo) {
1037 ContInfo.cursor = getCursor(cast<Decl>(DC));
1038 ContInfo.DC = DC;
1039 ContInfo.IndexCtx = this;
1040 }
1041
getRefCursor(const NamedDecl * D,SourceLocation Loc)1042 CXCursor IndexingContext::getRefCursor(const NamedDecl *D, SourceLocation Loc) {
1043 if (const TypeDecl *TD = dyn_cast<TypeDecl>(D))
1044 return MakeCursorTypeRef(TD, Loc, CXTU);
1045 if (const ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(D))
1046 return MakeCursorObjCClassRef(ID, Loc, CXTU);
1047 if (const ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl>(D))
1048 return MakeCursorObjCProtocolRef(PD, Loc, CXTU);
1049 if (const TemplateDecl *Template = dyn_cast<TemplateDecl>(D))
1050 return MakeCursorTemplateRef(Template, Loc, CXTU);
1051 if (const NamespaceDecl *Namespace = dyn_cast<NamespaceDecl>(D))
1052 return MakeCursorNamespaceRef(Namespace, Loc, CXTU);
1053 if (const NamespaceAliasDecl *Namespace = dyn_cast<NamespaceAliasDecl>(D))
1054 return MakeCursorNamespaceRef(Namespace, Loc, CXTU);
1055 if (const FieldDecl *Field = dyn_cast<FieldDecl>(D))
1056 return MakeCursorMemberRef(Field, Loc, CXTU);
1057 if (const VarDecl *Var = dyn_cast<VarDecl>(D))
1058 return MakeCursorVariableRef(Var, Loc, CXTU);
1059
1060 return clang_getNullCursor();
1061 }
1062
shouldIgnoreIfImplicit(const Decl * D)1063 bool IndexingContext::shouldIgnoreIfImplicit(const Decl *D) {
1064 if (isa<ObjCInterfaceDecl>(D))
1065 return false;
1066 if (isa<ObjCCategoryDecl>(D))
1067 return false;
1068 if (isa<ObjCIvarDecl>(D))
1069 return false;
1070 if (isa<ObjCMethodDecl>(D))
1071 return false;
1072 return true;
1073 }
1074
isTemplateImplicitInstantiation(const Decl * D)1075 bool IndexingContext::isTemplateImplicitInstantiation(const Decl *D) {
1076 if (const ClassTemplateSpecializationDecl *
1077 SD = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
1078 return SD->getSpecializationKind() == TSK_ImplicitInstantiation;
1079 }
1080 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
1081 return FD->getTemplateSpecializationKind() == TSK_ImplicitInstantiation;
1082 }
1083 return false;
1084 }
1085