| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| 9 | #include "IndexingContext.h" |
| 10 | #include "clang/Index/IndexDataConsumer.h" |
| 11 | #include "clang/AST/DeclVisitor.h" |
| 12 | |
| 13 | using namespace clang; |
| 14 | using namespace index; |
| 15 | |
| 16 | #define TRY_DECL(D,CALL_EXPR) \ |
| 17 | do { \ |
| 18 | if (!IndexCtx.shouldIndex(D)) return true; \ |
| 19 | if (!CALL_EXPR) \ |
| 20 | return false; \ |
| 21 | } while (0) |
| 22 | |
| 23 | #define TRY_TO(CALL_EXPR) \ |
| 24 | do { \ |
| 25 | if (!CALL_EXPR) \ |
| 26 | return false; \ |
| 27 | } while (0) |
| 28 | |
| 29 | namespace { |
| 30 | |
| 31 | class IndexingDeclVisitor : public ConstDeclVisitor<IndexingDeclVisitor, bool> { |
| 32 | IndexingContext &IndexCtx; |
| 33 | |
| 34 | public: |
| 35 | explicit IndexingDeclVisitor(IndexingContext &indexCtx) |
| 36 | : IndexCtx(indexCtx) { } |
| 37 | |
| 38 | bool Handled = true; |
| 39 | |
| 40 | bool VisitDecl(const Decl *D) { |
| 41 | Handled = false; |
| 42 | return true; |
| 43 | } |
| 44 | |
| 45 | |
| 46 | |
| 47 | static bool hasUserDefined(const ObjCMethodDecl *D, |
| 48 | const ObjCImplDecl *Container) { |
| 49 | const ObjCMethodDecl *MD = Container->getMethod(D->getSelector(), |
| 50 | D->isInstanceMethod()); |
| 51 | return MD && !MD->isImplicit() && MD->isThisDeclarationADefinition(); |
| 52 | } |
| 53 | |
| 54 | void handleTemplateArgumentLoc(const TemplateArgumentLoc &TALoc, |
| 55 | const NamedDecl *Parent, |
| 56 | const DeclContext *DC) { |
| 57 | const TemplateArgumentLocInfo &LocInfo = TALoc.getLocInfo(); |
| 58 | switch (TALoc.getArgument().getKind()) { |
| 59 | case TemplateArgument::Expression: |
| 60 | IndexCtx.indexBody(LocInfo.getAsExpr(), Parent, DC); |
| 61 | break; |
| 62 | case TemplateArgument::Type: |
| 63 | IndexCtx.indexTypeSourceInfo(LocInfo.getAsTypeSourceInfo(), Parent, DC); |
| 64 | break; |
| 65 | case TemplateArgument::Template: |
| 66 | case TemplateArgument::TemplateExpansion: |
| 67 | IndexCtx.indexNestedNameSpecifierLoc(TALoc.getTemplateQualifierLoc(), |
| 68 | Parent, DC); |
| 69 | if (const TemplateDecl *TD = TALoc.getArgument() |
| 70 | .getAsTemplateOrTemplatePattern() |
| 71 | .getAsTemplateDecl()) { |
| 72 | if (const NamedDecl *TTD = TD->getTemplatedDecl()) |
| 73 | IndexCtx.handleReference(TTD, TALoc.getTemplateNameLoc(), Parent, DC); |
| 74 | } |
| 75 | break; |
| 76 | default: |
| 77 | break; |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | void handleDeclarator(const DeclaratorDecl *D, |
| 82 | const NamedDecl *Parent = nullptr, |
| 83 | bool isIBType = false) { |
| 84 | if (!Parent) Parent = D; |
| 85 | |
| 86 | IndexCtx.indexTypeSourceInfo(D->getTypeSourceInfo(), Parent, |
| 87 | Parent->getLexicalDeclContext(), |
| 88 | , isIBType); |
| 89 | IndexCtx.indexNestedNameSpecifierLoc(D->getQualifierLoc(), Parent); |
| 90 | if (IndexCtx.shouldIndexFunctionLocalSymbols()) { |
| 91 | if (const ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D)) { |
| 92 | auto *DC = Parm->getDeclContext(); |
| 93 | if (auto *FD = dyn_cast<FunctionDecl>(DC)) { |
| 94 | if (IndexCtx.shouldIndexParametersInDeclarations() || |
| 95 | FD->isThisDeclarationADefinition()) |
| 96 | IndexCtx.handleDecl(Parm); |
| 97 | } else if (auto *MD = dyn_cast<ObjCMethodDecl>(DC)) { |
| 98 | if (MD->isThisDeclarationADefinition()) |
| 99 | IndexCtx.handleDecl(Parm); |
| 100 | } else { |
| 101 | IndexCtx.handleDecl(Parm); |
| 102 | } |
| 103 | } else if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { |
| 104 | if (IndexCtx.shouldIndexParametersInDeclarations() || |
| 105 | FD->isThisDeclarationADefinition()) { |
| 106 | for (auto PI : FD->parameters()) { |
| 107 | IndexCtx.handleDecl(PI); |
| 108 | } |
| 109 | } |
| 110 | } |
| 111 | } else { |
| 112 | |
| 113 | if (const auto *FD = dyn_cast<FunctionDecl>(D)) { |
| 114 | if (FD->isThisDeclarationADefinition()) { |
| 115 | for (const auto *PV : FD->parameters()) { |
| 116 | if (PV->hasDefaultArg() && !PV->hasUninstantiatedDefaultArg() && |
| 117 | !PV->hasUnparsedDefaultArg()) |
| 118 | IndexCtx.indexBody(PV->getDefaultArg(), D); |
| 119 | } |
| 120 | } |
| 121 | } |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | bool handleObjCMethod(const ObjCMethodDecl *D, |
| 126 | const ObjCPropertyDecl *AssociatedProp = nullptr) { |
| 127 | SmallVector<SymbolRelation, 4> Relations; |
| 128 | SmallVector<const ObjCMethodDecl*, 4> Overriden; |
| 129 | |
| 130 | D->getOverriddenMethods(Overriden); |
| 131 | for(auto overridden: Overriden) { |
| 132 | Relations.emplace_back((unsigned) SymbolRole::RelationOverrideOf, |
| 133 | overridden); |
| 134 | } |
| 135 | if (AssociatedProp) |
| 136 | Relations.emplace_back((unsigned)SymbolRole::RelationAccessorOf, |
| 137 | AssociatedProp); |
| 138 | |
| 139 | |
| 140 | |
| 141 | SourceLocation MethodLoc = D->getSelectorStartLoc(); |
| 142 | if (MethodLoc.isInvalid()) |
| 143 | MethodLoc = D->getLocation(); |
| 144 | |
| 145 | SourceLocation AttrLoc; |
| 146 | |
| 147 | |
| 148 | if (AssociatedProp) { |
| 149 | bool isGetter = !D->param_size(); |
| 150 | AttrLoc = isGetter ? |
| 151 | AssociatedProp->getGetterNameLoc(): |
| 152 | AssociatedProp->getSetterNameLoc(); |
| 153 | } |
| 154 | |
| 155 | SymbolRoleSet Roles = (SymbolRoleSet)SymbolRole::Dynamic; |
| 156 | if (D->isImplicit()) { |
| 157 | if (AttrLoc.isValid()) { |
| 158 | MethodLoc = AttrLoc; |
| 159 | } else { |
| 160 | Roles |= (SymbolRoleSet)SymbolRole::Implicit; |
| 161 | } |
| 162 | } else if (AttrLoc.isValid()) { |
| 163 | IndexCtx.handleReference(D, AttrLoc, cast<NamedDecl>(D->getDeclContext()), |
| 164 | D->getDeclContext(), 0); |
| 165 | } |
| 166 | |
| 167 | TRY_DECL(D, IndexCtx.handleDecl(D, MethodLoc, Roles, Relations)); |
| 168 | IndexCtx.indexTypeSourceInfo(D->getReturnTypeSourceInfo(), D); |
| 169 | bool hasIBActionAndFirst = D->hasAttr<IBActionAttr>(); |
| 170 | for (const auto *I : D->parameters()) { |
| 171 | handleDeclarator(I, D, hasIBActionAndFirst); |
| 172 | hasIBActionAndFirst = false; |
| 173 | } |
| 174 | |
| 175 | if (D->isThisDeclarationADefinition()) { |
| 176 | const Stmt *Body = D->getBody(); |
| 177 | if (Body) { |
| 178 | IndexCtx.indexBody(Body, D, D); |
| 179 | } |
| 180 | } |
| 181 | return true; |
| 182 | } |
| 183 | |
| 184 | |
| 185 | |
| 186 | |
| 187 | |
| 188 | |
| 189 | |
| 190 | void |
| 191 | gatherTemplatePseudoOverrides(const NamedDecl *D, |
| 192 | SmallVectorImpl<SymbolRelation> &Relations) { |
| 193 | if (!IndexCtx.getLangOpts().CPlusPlus) |
| 194 | return; |
| 195 | const auto *CTSD = |
| 196 | dyn_cast<ClassTemplateSpecializationDecl>(D->getLexicalDeclContext()); |
| 197 | if (!CTSD) |
| 198 | return; |
| 199 | llvm::PointerUnion<ClassTemplateDecl *, |
| 200 | ClassTemplatePartialSpecializationDecl *> |
| 201 | Template = CTSD->getSpecializedTemplateOrPartial(); |
| 202 | if (const auto *CTD = Template.dyn_cast<ClassTemplateDecl *>()) { |
| 203 | const CXXRecordDecl *Pattern = CTD->getTemplatedDecl(); |
| 204 | bool TypeOverride = isa<TypeDecl>(D); |
| 205 | for (const NamedDecl *ND : Pattern->lookup(D->getDeclName())) { |
| 206 | if (const auto *CTD = dyn_cast<ClassTemplateDecl>(ND)) |
| 207 | ND = CTD->getTemplatedDecl(); |
| 208 | if (ND->isImplicit()) |
| 209 | continue; |
| 210 | |
| 211 | if (!TypeOverride) { |
| 212 | if (ND->getKind() != D->getKind()) |
| 213 | continue; |
| 214 | } else if (!isa<TypeDecl>(ND)) |
| 215 | continue; |
| 216 | if (const auto *FD = dyn_cast<FunctionDecl>(ND)) { |
| 217 | const auto *DFD = cast<FunctionDecl>(D); |
| 218 | |
| 219 | if (FD->getStorageClass() != DFD->getStorageClass() || |
| 220 | FD->getNumParams() != DFD->getNumParams()) |
| 221 | continue; |
| 222 | } |
| 223 | Relations.emplace_back( |
| 224 | SymbolRoleSet(SymbolRole::RelationSpecializationOf), ND); |
| 225 | } |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | bool VisitFunctionDecl(const FunctionDecl *D) { |
| 230 | SymbolRoleSet Roles{}; |
| 231 | SmallVector<SymbolRelation, 4> Relations; |
| 232 | if (auto *CXXMD = dyn_cast<CXXMethodDecl>(D)) { |
| 233 | if (CXXMD->isVirtual()) |
| 234 | Roles |= (unsigned)SymbolRole::Dynamic; |
| 235 | for (const CXXMethodDecl *O : CXXMD->overridden_methods()) { |
| 236 | Relations.emplace_back((unsigned)SymbolRole::RelationOverrideOf, O); |
| 237 | } |
| 238 | } |
| 239 | gatherTemplatePseudoOverrides(D, Relations); |
| 240 | if (const auto *Base = D->getPrimaryTemplate()) |
| 241 | Relations.push_back( |
| 242 | SymbolRelation(SymbolRoleSet(SymbolRole::RelationSpecializationOf), |
| 243 | Base->getTemplatedDecl())); |
| 244 | |
| 245 | TRY_DECL(D, IndexCtx.handleDecl(D, Roles, Relations)); |
| 246 | handleDeclarator(D); |
| 247 | |
| 248 | if (const CXXConstructorDecl *Ctor = dyn_cast<CXXConstructorDecl>(D)) { |
| 249 | IndexCtx.handleReference(Ctor->getParent(), Ctor->getLocation(), |
| 250 | Ctor->getParent(), Ctor->getDeclContext(), |
| 251 | (unsigned)SymbolRole::NameReference); |
| 252 | |
| 253 | |
| 254 | for (const auto *Init : Ctor->inits()) { |
| 255 | if (Init->isWritten()) { |
| 256 | IndexCtx.indexTypeSourceInfo(Init->getTypeSourceInfo(), D); |
| 257 | if (const FieldDecl *Member = Init->getAnyMember()) |
| 258 | IndexCtx.handleReference(Member, Init->getMemberLocation(), D, D, |
| 259 | (unsigned)SymbolRole::Write); |
| 260 | IndexCtx.indexBody(Init->getInit(), D, D); |
| 261 | } |
| 262 | } |
| 263 | } else if (const CXXDestructorDecl *Dtor = dyn_cast<CXXDestructorDecl>(D)) { |
| 264 | if (auto TypeNameInfo = Dtor->getNameInfo().getNamedTypeInfo()) { |
| 265 | IndexCtx.handleReference(Dtor->getParent(), |
| 266 | TypeNameInfo->getTypeLoc().getBeginLoc(), |
| 267 | Dtor->getParent(), Dtor->getDeclContext(), |
| 268 | (unsigned)SymbolRole::NameReference); |
| 269 | } |
| 270 | } else if (const auto *Guide = dyn_cast<CXXDeductionGuideDecl>(D)) { |
| 271 | IndexCtx.handleReference(Guide->getDeducedTemplate()->getTemplatedDecl(), |
| 272 | Guide->getLocation(), Guide, |
| 273 | Guide->getDeclContext()); |
| 274 | } |
| 275 | |
| 276 | if (const ASTTemplateArgumentListInfo *TemplateArgInfo = |
| 277 | D->getTemplateSpecializationArgsAsWritten()) { |
| 278 | for (const auto &Arg : TemplateArgInfo->arguments()) |
| 279 | handleTemplateArgumentLoc(Arg, D, D->getLexicalDeclContext()); |
| 280 | } |
| 281 | |
| 282 | if (D->isThisDeclarationADefinition()) { |
| 283 | const Stmt *Body = D->getBody(); |
| 284 | if (Body) { |
| 285 | IndexCtx.indexBody(Body, D, D); |
| 286 | } |
| 287 | } |
| 288 | return true; |
| 289 | } |
| 290 | |
| 291 | bool VisitVarDecl(const VarDecl *D) { |
| 292 | SmallVector<SymbolRelation, 4> Relations; |
| 293 | gatherTemplatePseudoOverrides(D, Relations); |
| 294 | TRY_DECL(D, IndexCtx.handleDecl(D, SymbolRoleSet(), Relations)); |
| 295 | handleDeclarator(D); |
| 296 | IndexCtx.indexBody(D->getInit(), D); |
| 297 | return true; |
| 298 | } |
| 299 | |
| 300 | bool VisitDecompositionDecl(const DecompositionDecl *D) { |
| 301 | for (const auto *Binding : D->bindings()) |
| 302 | TRY_DECL(Binding, IndexCtx.handleDecl(Binding)); |
| 303 | return Base::VisitDecompositionDecl(D); |
| 304 | } |
| 305 | |
| 306 | bool VisitFieldDecl(const FieldDecl *D) { |
| 307 | SmallVector<SymbolRelation, 4> Relations; |
| 308 | gatherTemplatePseudoOverrides(D, Relations); |
| 309 | TRY_DECL(D, IndexCtx.handleDecl(D, SymbolRoleSet(), Relations)); |
| 310 | handleDeclarator(D); |
| 311 | if (D->isBitField()) |
| 312 | IndexCtx.indexBody(D->getBitWidth(), D); |
| 313 | else if (D->hasInClassInitializer()) |
| 314 | IndexCtx.indexBody(D->getInClassInitializer(), D); |
| 315 | return true; |
| 316 | } |
| 317 | |
| 318 | bool VisitObjCIvarDecl(const ObjCIvarDecl *D) { |
| 319 | if (D->getSynthesize()) { |
| 320 | |
| 321 | return true; |
| 322 | } |
| 323 | TRY_DECL(D, IndexCtx.handleDecl(D)); |
| 324 | handleDeclarator(D); |
| 325 | return true; |
| 326 | } |
| 327 | |
| 328 | bool VisitMSPropertyDecl(const MSPropertyDecl *D) { |
| 329 | TRY_DECL(D, IndexCtx.handleDecl(D)); |
| 330 | handleDeclarator(D); |
| 331 | return true; |
| 332 | } |
| 333 | |
| 334 | bool VisitEnumConstantDecl(const EnumConstantDecl *D) { |
| 335 | TRY_DECL(D, IndexCtx.handleDecl(D)); |
| 336 | IndexCtx.indexBody(D->getInitExpr(), D); |
| 337 | return true; |
| 338 | } |
| 339 | |
| 340 | bool VisitTypedefNameDecl(const TypedefNameDecl *D) { |
| 341 | if (!D->isTransparentTag()) { |
| 342 | SmallVector<SymbolRelation, 4> Relations; |
| 343 | gatherTemplatePseudoOverrides(D, Relations); |
| 344 | TRY_DECL(D, IndexCtx.handleDecl(D, SymbolRoleSet(), Relations)); |
| 345 | IndexCtx.indexTypeSourceInfo(D->getTypeSourceInfo(), D); |
| 346 | } |
| 347 | return true; |
| 348 | } |
| 349 | |
| 350 | bool VisitTagDecl(const TagDecl *D) { |
| 351 | |
| 352 | if (D->isFreeStanding()) { |
| 353 | if (D->isThisDeclarationADefinition()) { |
| 354 | SmallVector<SymbolRelation, 4> Relations; |
| 355 | gatherTemplatePseudoOverrides(D, Relations); |
| 356 | IndexCtx.indexTagDecl(D, Relations); |
| 357 | } else { |
| 358 | SmallVector<SymbolRelation, 1> Relations; |
| 359 | gatherTemplatePseudoOverrides(D, Relations); |
| 360 | return IndexCtx.handleDecl(D, D->getLocation(), SymbolRoleSet(), |
| 361 | Relations, D->getLexicalDeclContext()); |
| 362 | } |
| 363 | } |
| 364 | return true; |
| 365 | } |
| 366 | |
| 367 | bool handleReferencedProtocols(const ObjCProtocolList &ProtList, |
| 368 | const ObjCContainerDecl *ContD, |
| 369 | SourceLocation SuperLoc) { |
| 370 | ObjCInterfaceDecl::protocol_loc_iterator LI = ProtList.loc_begin(); |
| 371 | for (ObjCInterfaceDecl::protocol_iterator |
| 372 | I = ProtList.begin(), E = ProtList.end(); I != E; ++I, ++LI) { |
| 373 | SourceLocation Loc = *LI; |
| 374 | ObjCProtocolDecl *PD = *I; |
| 375 | SymbolRoleSet roles{}; |
| 376 | if (Loc == SuperLoc) |
| 377 | roles |= (SymbolRoleSet)SymbolRole::Implicit; |
| 378 | TRY_TO(IndexCtx.handleReference(PD, Loc, ContD, ContD, roles, |
| 379 | SymbolRelation{(unsigned)SymbolRole::RelationBaseOf, ContD})); |
| 380 | } |
| 381 | return true; |
| 382 | } |
| 383 | |
| 384 | bool VisitObjCInterfaceDecl(const ObjCInterfaceDecl *D) { |
| 385 | if (D->isThisDeclarationADefinition()) { |
| 386 | TRY_DECL(D, IndexCtx.handleDecl(D)); |
| 387 | SourceLocation SuperLoc = D->getSuperClassLoc(); |
| 388 | if (auto *SuperD = D->getSuperClass()) { |
| 389 | bool hasSuperTypedef = false; |
| 390 | if (auto *TInfo = D->getSuperClassTInfo()) { |
| 391 | if (auto *TT = TInfo->getType()->getAs<TypedefType>()) { |
| 392 | if (auto *TD = TT->getDecl()) { |
| 393 | hasSuperTypedef = true; |
| 394 | TRY_TO(IndexCtx.handleReference(TD, SuperLoc, D, D, |
| 395 | SymbolRoleSet())); |
| 396 | } |
| 397 | } |
| 398 | } |
| 399 | SymbolRoleSet superRoles{}; |
| 400 | if (hasSuperTypedef) |
| 401 | superRoles |= (SymbolRoleSet)SymbolRole::Implicit; |
| 402 | TRY_TO(IndexCtx.handleReference(SuperD, SuperLoc, D, D, superRoles, |
| 403 | SymbolRelation{(unsigned)SymbolRole::RelationBaseOf, D})); |
| 404 | } |
| 405 | TRY_TO(handleReferencedProtocols(D->getReferencedProtocols(), D, |
| 406 | SuperLoc)); |
| 407 | TRY_TO(IndexCtx.indexDeclContext(D)); |
| 408 | } else { |
| 409 | return IndexCtx.handleReference(D, D->getLocation(), nullptr, |
| 410 | D->getDeclContext(), SymbolRoleSet()); |
| 411 | } |
| 412 | return true; |
| 413 | } |
| 414 | |
| 415 | bool VisitObjCProtocolDecl(const ObjCProtocolDecl *D) { |
| 416 | if (D->isThisDeclarationADefinition()) { |
| 417 | TRY_DECL(D, IndexCtx.handleDecl(D)); |
| 418 | TRY_TO(handleReferencedProtocols(D->getReferencedProtocols(), D, |
| 419 | SourceLocation())); |
| 420 | TRY_TO(IndexCtx.indexDeclContext(D)); |
| 421 | } else { |
| 422 | return IndexCtx.handleReference(D, D->getLocation(), nullptr, |
| 423 | D->getDeclContext(), SymbolRoleSet()); |
| 424 | } |
| 425 | return true; |
| 426 | } |
| 427 | |
| 428 | bool VisitObjCImplementationDecl(const ObjCImplementationDecl *D) { |
| 429 | const ObjCInterfaceDecl *Class = D->getClassInterface(); |
| 430 | if (!Class) |
| 431 | return true; |
| 432 | |
| 433 | if (Class->isImplicitInterfaceDecl()) |
| 434 | IndexCtx.handleDecl(Class); |
| 435 | |
| 436 | TRY_DECL(D, IndexCtx.handleDecl(D)); |
| 437 | |
| 438 | |
| 439 | |
| 440 | |
| 441 | for (const auto *I : D->property_impls()) { |
| 442 | if (I->getLocation().isInvalid()) |
| 443 | IndexCtx.indexDecl(I); |
| 444 | } |
| 445 | for (const auto *I : D->decls()) { |
| 446 | if (!isa<ObjCPropertyImplDecl>(I) || |
| 447 | cast<ObjCPropertyImplDecl>(I)->getLocation().isValid()) |
| 448 | IndexCtx.indexDecl(I); |
| 449 | } |
| 450 | |
| 451 | return true; |
| 452 | } |
| 453 | |
| 454 | bool VisitObjCCategoryDecl(const ObjCCategoryDecl *D) { |
| 455 | if (!IndexCtx.shouldIndex(D)) |
| 456 | return true; |
| 457 | const ObjCInterfaceDecl *C = D->getClassInterface(); |
| 458 | if (!C) |
| 459 | return true; |
| 460 | TRY_TO(IndexCtx.handleReference(C, D->getLocation(), D, D, SymbolRoleSet(), |
| 461 | SymbolRelation{ |
| 462 | (unsigned)SymbolRole::RelationExtendedBy, D |
| 463 | })); |
| 464 | SourceLocation CategoryLoc = D->getCategoryNameLoc(); |
| 465 | if (!CategoryLoc.isValid()) |
| 466 | CategoryLoc = D->getLocation(); |
| 467 | TRY_TO(IndexCtx.handleDecl(D, CategoryLoc)); |
| 468 | TRY_TO(handleReferencedProtocols(D->getReferencedProtocols(), D, |
| 469 | SourceLocation())); |
| 470 | TRY_TO(IndexCtx.indexDeclContext(D)); |
| 471 | return true; |
| 472 | } |
| 473 | |
| 474 | bool VisitObjCCategoryImplDecl(const ObjCCategoryImplDecl *D) { |
| 475 | const ObjCCategoryDecl *Cat = D->getCategoryDecl(); |
| 476 | if (!Cat) |
| 477 | return true; |
| 478 | const ObjCInterfaceDecl *C = D->getClassInterface(); |
| 479 | if (C) |
| 480 | TRY_TO(IndexCtx.handleReference(C, D->getLocation(), D, D, |
| 481 | SymbolRoleSet())); |
| 482 | SourceLocation CategoryLoc = D->getCategoryNameLoc(); |
| 483 | if (!CategoryLoc.isValid()) |
| 484 | CategoryLoc = D->getLocation(); |
| 485 | TRY_DECL(D, IndexCtx.handleDecl(D, CategoryLoc)); |
| 486 | IndexCtx.indexDeclContext(D); |
| 487 | return true; |
| 488 | } |
| 489 | |
| 490 | bool VisitObjCMethodDecl(const ObjCMethodDecl *D) { |
| 491 | |
| 492 | |
| 493 | if (D->isPropertyAccessor()) |
| 494 | return true; |
| 495 | |
| 496 | handleObjCMethod(D); |
| 497 | return true; |
| 498 | } |
| 499 | |
| 500 | bool VisitObjCPropertyDecl(const ObjCPropertyDecl *D) { |
| 501 | if (ObjCMethodDecl *MD = D->getGetterMethodDecl()) |
| 502 | if (MD->getLexicalDeclContext() == D->getLexicalDeclContext()) |
| 503 | handleObjCMethod(MD, D); |
| 504 | if (ObjCMethodDecl *MD = D->getSetterMethodDecl()) |
| 505 | if (MD->getLexicalDeclContext() == D->getLexicalDeclContext()) |
| 506 | handleObjCMethod(MD, D); |
| 507 | TRY_DECL(D, IndexCtx.handleDecl(D)); |
| 508 | if (IBOutletCollectionAttr *attr = D->getAttr<IBOutletCollectionAttr>()) |
| 509 | IndexCtx.indexTypeSourceInfo(attr->getInterfaceLoc(), D, |
| 510 | D->getLexicalDeclContext(), false, true); |
| 511 | IndexCtx.indexTypeSourceInfo(D->getTypeSourceInfo(), D); |
| 512 | return true; |
| 513 | } |
| 514 | |
| 515 | bool VisitObjCPropertyImplDecl(const ObjCPropertyImplDecl *D) { |
| 516 | ObjCPropertyDecl *PD = D->getPropertyDecl(); |
| 517 | auto *Container = cast<ObjCImplDecl>(D->getDeclContext()); |
| 518 | SourceLocation Loc = D->getLocation(); |
| 519 | SymbolRoleSet Roles = 0; |
| 520 | SmallVector<SymbolRelation, 1> Relations; |
| 521 | |
| 522 | if (ObjCIvarDecl *ID = D->getPropertyIvarDecl()) |
| 523 | Relations.push_back({(SymbolRoleSet)SymbolRole::RelationAccessorOf, ID}); |
| 524 | if (Loc.isInvalid()) { |
| 525 | Loc = Container->getLocation(); |
| 526 | Roles |= (SymbolRoleSet)SymbolRole::Implicit; |
| 527 | } |
| 528 | TRY_DECL(D, IndexCtx.handleDecl(D, Loc, Roles, Relations)); |
| 529 | |
| 530 | if (D->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) |
| 531 | return true; |
| 532 | |
| 533 | getPropertyImplementation() == ObjCPropertyImplDecl..Synthesize", "/home/seafit/code_projects/clang_source/clang/lib/Index/IndexDecl.cpp", 533, __PRETTY_FUNCTION__))" file_link="../../../include/assert.h.html#88" macro="true">assert(D->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize); |
| 534 | SymbolRoleSet AccessorMethodRoles = |
| 535 | SymbolRoleSet(SymbolRole::Dynamic) | SymbolRoleSet(SymbolRole::Implicit); |
| 536 | if (ObjCMethodDecl *MD = PD->getGetterMethodDecl()) { |
| 537 | if (MD->isPropertyAccessor() && |
| 538 | !hasUserDefined(MD, Container)) |
| 539 | IndexCtx.handleDecl(MD, Loc, AccessorMethodRoles, {}, Container); |
| 540 | } |
| 541 | if (ObjCMethodDecl *MD = PD->getSetterMethodDecl()) { |
| 542 | if (MD->isPropertyAccessor() && |
| 543 | !hasUserDefined(MD, Container)) |
| 544 | IndexCtx.handleDecl(MD, Loc, AccessorMethodRoles, {}, Container); |
| 545 | } |
| 546 | if (ObjCIvarDecl *IvarD = D->getPropertyIvarDecl()) { |
| 547 | if (IvarD->getSynthesize()) { |
| 548 | |
| 549 | |
| 550 | |
| 551 | |
| 552 | |
| 553 | |
| 554 | SymbolRoleSet IvarRoles = 0; |
| 555 | SourceLocation IvarLoc = D->getPropertyIvarDeclLoc(); |
| 556 | if (D->getLocation().isInvalid()) { |
| 557 | IvarLoc = Container->getLocation(); |
| 558 | IvarRoles = (SymbolRoleSet)SymbolRole::Implicit; |
| 559 | } else if (D->getLocation() == IvarLoc) { |
| 560 | IvarRoles = (SymbolRoleSet)SymbolRole::Implicit; |
| 561 | } |
| 562 | TRY_DECL(IvarD, IndexCtx.handleDecl(IvarD, IvarLoc, IvarRoles)); |
| 563 | } else { |
| 564 | IndexCtx.handleReference(IvarD, D->getPropertyIvarDeclLoc(), nullptr, |
| 565 | D->getDeclContext(), SymbolRoleSet()); |
| 566 | } |
| 567 | } |
| 568 | return true; |
| 569 | } |
| 570 | |
| 571 | bool VisitNamespaceDecl(const NamespaceDecl *D) { |
| 572 | TRY_DECL(D, IndexCtx.handleDecl(D)); |
| 573 | IndexCtx.indexDeclContext(D); |
| 574 | return true; |
| 575 | } |
| 576 | |
| 577 | bool VisitNamespaceAliasDecl(const NamespaceAliasDecl *D) { |
| 578 | TRY_DECL(D, IndexCtx.handleDecl(D)); |
| 579 | IndexCtx.indexNestedNameSpecifierLoc(D->getQualifierLoc(), D); |
| 580 | IndexCtx.handleReference(D->getAliasedNamespace(), D->getTargetNameLoc(), D, |
| 581 | D->getLexicalDeclContext()); |
| 582 | return true; |
| 583 | } |
| 584 | |
| 585 | bool VisitUsingDecl(const UsingDecl *D) { |
| 586 | IndexCtx.handleDecl(D); |
| 587 | |
| 588 | const DeclContext *DC = D->getDeclContext()->getRedeclContext(); |
| 589 | const NamedDecl *Parent = dyn_cast<NamedDecl>(DC); |
| 590 | IndexCtx.indexNestedNameSpecifierLoc(D->getQualifierLoc(), Parent, |
| 591 | D->getLexicalDeclContext()); |
| 592 | for (const auto *I : D->shadows()) |
| 593 | IndexCtx.handleReference(I->getUnderlyingDecl(), D->getLocation(), Parent, |
| 594 | D->getLexicalDeclContext(), SymbolRoleSet()); |
| 595 | return true; |
| 596 | } |
| 597 | |
| 598 | bool VisitUsingDirectiveDecl(const UsingDirectiveDecl *D) { |
| 599 | const DeclContext *DC = D->getDeclContext()->getRedeclContext(); |
| 600 | const NamedDecl *Parent = dyn_cast<NamedDecl>(DC); |
| 601 | |
| 602 | |
| 603 | |
| 604 | if (!D->getParentFunctionOrMethod()) |
| 605 | IndexCtx.indexNestedNameSpecifierLoc(D->getQualifierLoc(), Parent, |
| 606 | D->getLexicalDeclContext()); |
| 607 | |
| 608 | return IndexCtx.handleReference(D->getNominatedNamespaceAsWritten(), |
| 609 | D->getLocation(), Parent, |
| 610 | D->getLexicalDeclContext(), |
| 611 | SymbolRoleSet()); |
| 612 | } |
| 613 | |
| 614 | bool VisitUnresolvedUsingValueDecl(const UnresolvedUsingValueDecl *D) { |
| 615 | TRY_DECL(D, IndexCtx.handleDecl(D)); |
| 616 | const DeclContext *DC = D->getDeclContext()->getRedeclContext(); |
| 617 | const NamedDecl *Parent = dyn_cast<NamedDecl>(DC); |
| 618 | IndexCtx.indexNestedNameSpecifierLoc(D->getQualifierLoc(), Parent, |
| 619 | D->getLexicalDeclContext()); |
| 620 | return true; |
| 621 | } |
| 622 | |
| 623 | bool VisitUnresolvedUsingTypenameDecl(const UnresolvedUsingTypenameDecl *D) { |
| 624 | TRY_DECL(D, IndexCtx.handleDecl(D)); |
| 625 | const DeclContext *DC = D->getDeclContext()->getRedeclContext(); |
| 626 | const NamedDecl *Parent = dyn_cast<NamedDecl>(DC); |
| 627 | IndexCtx.indexNestedNameSpecifierLoc(D->getQualifierLoc(), Parent, |
| 628 | D->getLexicalDeclContext()); |
| 629 | return true; |
| 630 | } |
| 631 | |
| 632 | bool VisitClassTemplateSpecializationDecl(const |
| 633 | ClassTemplateSpecializationDecl *D) { |
| 634 | |
| 635 | |
| 636 | llvm::PointerUnion<ClassTemplateDecl *, |
| 637 | ClassTemplatePartialSpecializationDecl *> |
| 638 | Template = D->getSpecializedTemplateOrPartial(); |
| 639 | const Decl *SpecializationOf = |
| 640 | Template.is<ClassTemplateDecl *>() |
| 641 | ? (Decl *)Template.get<ClassTemplateDecl *>() |
| 642 | : Template.get<ClassTemplatePartialSpecializationDecl *>(); |
| 643 | if (!D->isThisDeclarationADefinition()) |
| 644 | IndexCtx.indexNestedNameSpecifierLoc(D->getQualifierLoc(), D); |
| 645 | IndexCtx.indexTagDecl( |
| 646 | D, SymbolRelation(SymbolRoleSet(SymbolRole::RelationSpecializationOf), |
| 647 | SpecializationOf)); |
| 648 | if (TypeSourceInfo *TSI = D->getTypeAsWritten()) |
| 649 | IndexCtx.indexTypeSourceInfo(TSI, , |
| 650 | D->getLexicalDeclContext()); |
| 651 | return true; |
| 652 | } |
| 653 | |
| 654 | static bool shouldIndexTemplateParameterDefaultValue(const NamedDecl *D) { |
| 655 | if (!D) |
| 656 | return false; |
| 657 | |
| 658 | |
| 659 | if (const auto *FD = dyn_cast<FunctionDecl>(D)) |
| 660 | return FD->getCanonicalDecl() == FD; |
| 661 | else if (const auto *TD = dyn_cast<TagDecl>(D)) |
| 662 | return TD->getCanonicalDecl() == TD; |
| 663 | else if (const auto *VD = dyn_cast<VarDecl>(D)) |
| 664 | return VD->getCanonicalDecl() == VD; |
| 665 | return true; |
| 666 | } |
| 667 | |
| 668 | bool VisitTemplateDecl(const TemplateDecl *D) { |
| 669 | |
| 670 | const NamedDecl *Parent = D->getTemplatedDecl(); |
| 671 | if (!Parent) |
| 672 | return true; |
| 673 | |
| 674 | |
| 675 | if (D->getTemplateParameters() && |
| 676 | shouldIndexTemplateParameterDefaultValue(Parent)) { |
| 677 | const TemplateParameterList *Params = D->getTemplateParameters(); |
| 678 | for (const NamedDecl *TP : *Params) { |
| 679 | if (IndexCtx.shouldIndexTemplateParameters()) |
| 680 | IndexCtx.handleDecl(TP); |
| 681 | if (const auto *TTP = dyn_cast<TemplateTypeParmDecl>(TP)) { |
| 682 | if (TTP->hasDefaultArgument()) |
| 683 | IndexCtx.indexTypeSourceInfo(TTP->getDefaultArgumentInfo(), Parent); |
| 684 | } else if (const auto *NTTP = dyn_cast<NonTypeTemplateParmDecl>(TP)) { |
| 685 | if (NTTP->hasDefaultArgument()) |
| 686 | IndexCtx.indexBody(NTTP->getDefaultArgument(), Parent); |
| 687 | } else if (const auto *TTPD = dyn_cast<TemplateTemplateParmDecl>(TP)) { |
| 688 | if (TTPD->hasDefaultArgument()) |
| 689 | handleTemplateArgumentLoc(TTPD->getDefaultArgument(), Parent, |
| 690 | TP->getLexicalDeclContext()); |
| 691 | } |
| 692 | } |
| 693 | } |
| 694 | |
| 695 | return Visit(Parent); |
| 696 | } |
| 697 | |
| 698 | bool VisitFriendDecl(const FriendDecl *D) { |
| 699 | if (auto ND = D->getFriendDecl()) { |
| 700 | |
| 701 | |
| 702 | |
| 703 | |
| 704 | |
| 705 | |
| 706 | if (isa<ClassTemplateDecl>(ND) && D->getDeclContext()->isDependentContext()) |
| 707 | return true; |
| 708 | return Visit(ND); |
| 709 | } |
| 710 | if (auto Ty = D->getFriendType()) { |
| 711 | IndexCtx.indexTypeSourceInfo(Ty, cast<NamedDecl>(D->getDeclContext())); |
| 712 | } |
| 713 | return true; |
| 714 | } |
| 715 | |
| 716 | bool VisitImportDecl(const ImportDecl *D) { |
| 717 | return IndexCtx.importedModule(D); |
| 718 | } |
| 719 | |
| 720 | bool VisitStaticAssertDecl(const StaticAssertDecl *D) { |
| 721 | IndexCtx.indexBody(D->getAssertExpr(), |
| 722 | dyn_cast<NamedDecl>(D->getDeclContext()), |
| 723 | D->getLexicalDeclContext()); |
| 724 | return true; |
| 725 | } |
| 726 | }; |
| 727 | |
| 728 | } |
| 729 | |
| 730 | bool IndexingContext::indexDecl(const Decl *D) { |
| 731 | if (D->isImplicit() && shouldIgnoreIfImplicit(D)) |
| 732 | return true; |
| 733 | |
| 734 | if (isTemplateImplicitInstantiation(D) && !shouldIndexImplicitInstantiation()) |
| 735 | return true; |
| 736 | |
| 737 | IndexingDeclVisitor Visitor(*this); |
| 738 | bool ShouldContinue = Visitor.Visit(D); |
| 739 | if (!ShouldContinue) |
| 740 | return false; |
| 741 | |
| 742 | if (!Visitor.Handled && isa<DeclContext>(D)) |
| 743 | return indexDeclContext(cast<DeclContext>(D)); |
| 744 | |
| 745 | return true; |
| 746 | } |
| 747 | |
| 748 | bool IndexingContext::indexDeclContext(const DeclContext *DC) { |
| 749 | for (const auto *I : DC->decls()) |
| 750 | if (!indexDecl(I)) |
| 751 | return false; |
| 752 | return true; |
| 753 | } |
| 754 | |
| 755 | bool IndexingContext::indexTopLevelDecl(const Decl *D) { |
| 756 | if (D->getLocation().isInvalid()) |
| 757 | return true; |
| 758 | |
| 759 | if (isa<ObjCMethodDecl>(D)) |
| 760 | return true; |
| 761 | |
| 762 | return indexDecl(D); |
| 763 | } |
| 764 | |
| 765 | bool IndexingContext::indexDeclGroupRef(DeclGroupRef DG) { |
| 766 | for (DeclGroupRef::iterator I = DG.begin(), E = DG.end(); I != E; ++I) |
| 767 | if (!indexTopLevelDecl(*I)) |
| 768 | return false; |
| 769 | return true; |
| 770 | } |
| 771 | |