1 //===- CXCursor.cpp - Routines for manipulating CXCursors -----------------===// 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 // This file defines routines for manipulating CXCursors. It should be the 11 // only file that has internal knowledge of the encoding of the data in 12 // CXCursor. 13 // 14 //===----------------------------------------------------------------------===// 15 16 #include "CXTranslationUnit.h" 17 #include "CXCursor.h" 18 #include "CXString.h" 19 #include "clang/Frontend/ASTUnit.h" 20 #include "clang/AST/Decl.h" 21 #include "clang/AST/DeclCXX.h" 22 #include "clang/AST/DeclObjC.h" 23 #include "clang/AST/Expr.h" 24 #include "clang/AST/ExprCXX.h" 25 #include "clang-c/Index.h" 26 #include "llvm/Support/ErrorHandling.h" 27 28 using namespace clang; 29 using namespace cxcursor; 30 31 CXCursor cxcursor::MakeCXCursorInvalid(CXCursorKind K) { 32 assert(K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid); 33 CXCursor C = { K, { 0, 0, 0 } }; 34 return C; 35 } 36 37 static CXCursorKind GetCursorKind(const Attr *A) { 38 assert(A && "Invalid arguments!"); 39 switch (A->getKind()) { 40 default: break; 41 case attr::IBAction: return CXCursor_IBActionAttr; 42 case attr::IBOutlet: return CXCursor_IBOutletAttr; 43 case attr::IBOutletCollection: return CXCursor_IBOutletCollectionAttr; 44 } 45 46 return CXCursor_UnexposedAttr; 47 } 48 49 CXCursor cxcursor::MakeCXCursor(const Attr *A, Decl *Parent, 50 CXTranslationUnit TU) { 51 assert(A && Parent && TU && "Invalid arguments!"); 52 CXCursor C = { GetCursorKind(A), { Parent, (void*)A, TU } }; 53 return C; 54 } 55 56 CXCursor cxcursor::MakeCXCursor(Decl *D, CXTranslationUnit TU, 57 bool FirstInDeclGroup) { 58 assert(D && TU && "Invalid arguments!"); 59 CXCursor C = { getCursorKindForDecl(D), 60 { D, (void*)(intptr_t) (FirstInDeclGroup ? 1 : 0), TU } 61 }; 62 return C; 63 } 64 65 CXCursor cxcursor::MakeCXCursor(Stmt *S, Decl *Parent, 66 CXTranslationUnit TU) { 67 assert(S && TU && "Invalid arguments!"); 68 CXCursorKind K = CXCursor_NotImplemented; 69 70 switch (S->getStmtClass()) { 71 case Stmt::NoStmtClass: 72 break; 73 74 case Stmt::NullStmtClass: 75 case Stmt::CompoundStmtClass: 76 case Stmt::CaseStmtClass: 77 case Stmt::DefaultStmtClass: 78 case Stmt::IfStmtClass: 79 case Stmt::SwitchStmtClass: 80 case Stmt::WhileStmtClass: 81 case Stmt::DoStmtClass: 82 case Stmt::ForStmtClass: 83 case Stmt::GotoStmtClass: 84 case Stmt::IndirectGotoStmtClass: 85 case Stmt::ContinueStmtClass: 86 case Stmt::BreakStmtClass: 87 case Stmt::ReturnStmtClass: 88 case Stmt::DeclStmtClass: 89 case Stmt::AsmStmtClass: 90 case Stmt::ObjCAtTryStmtClass: 91 case Stmt::ObjCAtCatchStmtClass: 92 case Stmt::ObjCAtFinallyStmtClass: 93 case Stmt::ObjCAtThrowStmtClass: 94 case Stmt::ObjCAtSynchronizedStmtClass: 95 case Stmt::ObjCForCollectionStmtClass: 96 case Stmt::CXXCatchStmtClass: 97 case Stmt::CXXTryStmtClass: 98 case Stmt::CXXForRangeStmtClass: 99 K = CXCursor_UnexposedStmt; 100 break; 101 102 case Stmt::LabelStmtClass: 103 K = CXCursor_LabelStmt; 104 break; 105 106 case Stmt::PredefinedExprClass: 107 case Stmt::IntegerLiteralClass: 108 case Stmt::FloatingLiteralClass: 109 case Stmt::ImaginaryLiteralClass: 110 case Stmt::StringLiteralClass: 111 case Stmt::CharacterLiteralClass: 112 case Stmt::ParenExprClass: 113 case Stmt::UnaryOperatorClass: 114 case Stmt::OffsetOfExprClass: 115 case Stmt::UnaryExprOrTypeTraitExprClass: 116 case Stmt::ArraySubscriptExprClass: 117 case Stmt::BinaryOperatorClass: 118 case Stmt::CompoundAssignOperatorClass: 119 case Stmt::ConditionalOperatorClass: 120 case Stmt::BinaryConditionalOperatorClass: 121 case Stmt::ImplicitCastExprClass: 122 case Stmt::CStyleCastExprClass: 123 case Stmt::CompoundLiteralExprClass: 124 case Stmt::ExtVectorElementExprClass: 125 case Stmt::InitListExprClass: 126 case Stmt::DesignatedInitExprClass: 127 case Stmt::ImplicitValueInitExprClass: 128 case Stmt::ParenListExprClass: 129 case Stmt::VAArgExprClass: 130 case Stmt::AddrLabelExprClass: 131 case Stmt::StmtExprClass: 132 case Stmt::ChooseExprClass: 133 case Stmt::GenericSelectionExprClass: 134 case Stmt::GNUNullExprClass: 135 case Stmt::CXXStaticCastExprClass: 136 case Stmt::CXXDynamicCastExprClass: 137 case Stmt::CXXReinterpretCastExprClass: 138 case Stmt::CXXConstCastExprClass: 139 case Stmt::CXXFunctionalCastExprClass: 140 case Stmt::CXXTypeidExprClass: 141 case Stmt::CXXUuidofExprClass: 142 case Stmt::CXXBoolLiteralExprClass: 143 case Stmt::CXXNullPtrLiteralExprClass: 144 case Stmt::CXXThisExprClass: 145 case Stmt::CXXThrowExprClass: 146 case Stmt::CXXDefaultArgExprClass: 147 case Stmt::CXXScalarValueInitExprClass: 148 case Stmt::CXXNewExprClass: 149 case Stmt::CXXDeleteExprClass: 150 case Stmt::CXXPseudoDestructorExprClass: 151 case Stmt::UnresolvedLookupExprClass: 152 case Stmt::UnaryTypeTraitExprClass: 153 case Stmt::BinaryTypeTraitExprClass: 154 case Stmt::ArrayTypeTraitExprClass: 155 case Stmt::ExpressionTraitExprClass: 156 case Stmt::DependentScopeDeclRefExprClass: 157 case Stmt::CXXBindTemporaryExprClass: 158 case Stmt::ExprWithCleanupsClass: 159 case Stmt::CXXUnresolvedConstructExprClass: 160 case Stmt::CXXDependentScopeMemberExprClass: 161 case Stmt::UnresolvedMemberExprClass: 162 case Stmt::CXXNoexceptExprClass: 163 case Stmt::ObjCStringLiteralClass: 164 case Stmt::ObjCEncodeExprClass: 165 case Stmt::ObjCSelectorExprClass: 166 case Stmt::ObjCProtocolExprClass: 167 case Stmt::ObjCIsaExprClass: 168 case Stmt::ShuffleVectorExprClass: 169 case Stmt::BlockExprClass: 170 case Stmt::OpaqueValueExprClass: 171 case Stmt::PackExpansionExprClass: 172 case Stmt::SizeOfPackExprClass: 173 K = CXCursor_UnexposedExpr; 174 break; 175 176 case Stmt::DeclRefExprClass: 177 case Stmt::BlockDeclRefExprClass: 178 case Stmt::SubstNonTypeTemplateParmPackExprClass: 179 // FIXME: UnresolvedLookupExpr? 180 // FIXME: DependentScopeDeclRefExpr? 181 K = CXCursor_DeclRefExpr; 182 break; 183 184 case Stmt::MemberExprClass: 185 case Stmt::ObjCIvarRefExprClass: 186 case Stmt::ObjCPropertyRefExprClass: 187 // FIXME: UnresolvedMemberExpr? 188 // FIXME: CXXDependentScopeMemberExpr? 189 K = CXCursor_MemberRefExpr; 190 break; 191 192 case Stmt::CallExprClass: 193 case Stmt::CXXOperatorCallExprClass: 194 case Stmt::CXXMemberCallExprClass: 195 case Stmt::CUDAKernelCallExprClass: 196 case Stmt::CXXConstructExprClass: 197 case Stmt::CXXTemporaryObjectExprClass: 198 // FIXME: CXXUnresolvedConstructExpr 199 K = CXCursor_CallExpr; 200 break; 201 202 case Stmt::ObjCMessageExprClass: 203 K = CXCursor_ObjCMessageExpr; 204 break; 205 } 206 207 CXCursor C = { K, { Parent, S, TU } }; 208 return C; 209 } 210 211 CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super, 212 SourceLocation Loc, 213 CXTranslationUnit TU) { 214 assert(Super && TU && "Invalid arguments!"); 215 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 216 CXCursor C = { CXCursor_ObjCSuperClassRef, { Super, RawLoc, TU } }; 217 return C; 218 } 219 220 std::pair<ObjCInterfaceDecl *, SourceLocation> 221 cxcursor::getCursorObjCSuperClassRef(CXCursor C) { 222 assert(C.kind == CXCursor_ObjCSuperClassRef); 223 return std::make_pair(static_cast<ObjCInterfaceDecl *>(C.data[0]), 224 SourceLocation::getFromRawEncoding( 225 reinterpret_cast<uintptr_t>(C.data[1]))); 226 } 227 228 CXCursor cxcursor::MakeCursorObjCProtocolRef(ObjCProtocolDecl *Super, 229 SourceLocation Loc, 230 CXTranslationUnit TU) { 231 assert(Super && TU && "Invalid arguments!"); 232 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 233 CXCursor C = { CXCursor_ObjCProtocolRef, { Super, RawLoc, TU } }; 234 return C; 235 } 236 237 std::pair<ObjCProtocolDecl *, SourceLocation> 238 cxcursor::getCursorObjCProtocolRef(CXCursor C) { 239 assert(C.kind == CXCursor_ObjCProtocolRef); 240 return std::make_pair(static_cast<ObjCProtocolDecl *>(C.data[0]), 241 SourceLocation::getFromRawEncoding( 242 reinterpret_cast<uintptr_t>(C.data[1]))); 243 } 244 245 CXCursor cxcursor::MakeCursorObjCClassRef(ObjCInterfaceDecl *Class, 246 SourceLocation Loc, 247 CXTranslationUnit TU) { 248 // 'Class' can be null for invalid code. 249 if (!Class) 250 return MakeCXCursorInvalid(CXCursor_InvalidCode); 251 assert(TU && "Invalid arguments!"); 252 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 253 CXCursor C = { CXCursor_ObjCClassRef, { Class, RawLoc, TU } }; 254 return C; 255 } 256 257 std::pair<ObjCInterfaceDecl *, SourceLocation> 258 cxcursor::getCursorObjCClassRef(CXCursor C) { 259 assert(C.kind == CXCursor_ObjCClassRef); 260 return std::make_pair(static_cast<ObjCInterfaceDecl *>(C.data[0]), 261 SourceLocation::getFromRawEncoding( 262 reinterpret_cast<uintptr_t>(C.data[1]))); 263 } 264 265 CXCursor cxcursor::MakeCursorTypeRef(TypeDecl *Type, SourceLocation Loc, 266 CXTranslationUnit TU) { 267 assert(Type && TU && "Invalid arguments!"); 268 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 269 CXCursor C = { CXCursor_TypeRef, { Type, RawLoc, TU } }; 270 return C; 271 } 272 273 std::pair<TypeDecl *, SourceLocation> 274 cxcursor::getCursorTypeRef(CXCursor C) { 275 assert(C.kind == CXCursor_TypeRef); 276 return std::make_pair(static_cast<TypeDecl *>(C.data[0]), 277 SourceLocation::getFromRawEncoding( 278 reinterpret_cast<uintptr_t>(C.data[1]))); 279 } 280 281 CXCursor cxcursor::MakeCursorTemplateRef(TemplateDecl *Template, 282 SourceLocation Loc, 283 CXTranslationUnit TU) { 284 assert(Template && TU && "Invalid arguments!"); 285 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 286 CXCursor C = { CXCursor_TemplateRef, { Template, RawLoc, TU } }; 287 return C; 288 } 289 290 std::pair<TemplateDecl *, SourceLocation> 291 cxcursor::getCursorTemplateRef(CXCursor C) { 292 assert(C.kind == CXCursor_TemplateRef); 293 return std::make_pair(static_cast<TemplateDecl *>(C.data[0]), 294 SourceLocation::getFromRawEncoding( 295 reinterpret_cast<uintptr_t>(C.data[1]))); 296 } 297 298 CXCursor cxcursor::MakeCursorNamespaceRef(NamedDecl *NS, SourceLocation Loc, 299 CXTranslationUnit TU) { 300 301 assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU && 302 "Invalid arguments!"); 303 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 304 CXCursor C = { CXCursor_NamespaceRef, { NS, RawLoc, TU } }; 305 return C; 306 } 307 308 std::pair<NamedDecl *, SourceLocation> 309 cxcursor::getCursorNamespaceRef(CXCursor C) { 310 assert(C.kind == CXCursor_NamespaceRef); 311 return std::make_pair(static_cast<NamedDecl *>(C.data[0]), 312 SourceLocation::getFromRawEncoding( 313 reinterpret_cast<uintptr_t>(C.data[1]))); 314 } 315 316 CXCursor cxcursor::MakeCursorMemberRef(FieldDecl *Field, SourceLocation Loc, 317 CXTranslationUnit TU) { 318 319 assert(Field && TU && "Invalid arguments!"); 320 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 321 CXCursor C = { CXCursor_MemberRef, { Field, RawLoc, TU } }; 322 return C; 323 } 324 325 std::pair<FieldDecl *, SourceLocation> 326 cxcursor::getCursorMemberRef(CXCursor C) { 327 assert(C.kind == CXCursor_MemberRef); 328 return std::make_pair(static_cast<FieldDecl *>(C.data[0]), 329 SourceLocation::getFromRawEncoding( 330 reinterpret_cast<uintptr_t>(C.data[1]))); 331 } 332 333 CXCursor cxcursor::MakeCursorCXXBaseSpecifier(CXXBaseSpecifier *B, 334 CXTranslationUnit TU){ 335 CXCursor C = { CXCursor_CXXBaseSpecifier, { B, 0, TU } }; 336 return C; 337 } 338 339 CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) { 340 assert(C.kind == CXCursor_CXXBaseSpecifier); 341 return static_cast<CXXBaseSpecifier*>(C.data[0]); 342 } 343 344 CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range, 345 CXTranslationUnit TU) { 346 CXCursor C = { CXCursor_PreprocessingDirective, 347 { reinterpret_cast<void *>(Range.getBegin().getRawEncoding()), 348 reinterpret_cast<void *>(Range.getEnd().getRawEncoding()), 349 TU } 350 }; 351 return C; 352 } 353 354 SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) { 355 assert(C.kind == CXCursor_PreprocessingDirective); 356 return SourceRange(SourceLocation::getFromRawEncoding( 357 reinterpret_cast<uintptr_t> (C.data[0])), 358 SourceLocation::getFromRawEncoding( 359 reinterpret_cast<uintptr_t> (C.data[1]))); 360 } 361 362 CXCursor cxcursor::MakeMacroDefinitionCursor(MacroDefinition *MI, 363 CXTranslationUnit TU) { 364 CXCursor C = { CXCursor_MacroDefinition, { MI, 0, TU } }; 365 return C; 366 } 367 368 MacroDefinition *cxcursor::getCursorMacroDefinition(CXCursor C) { 369 assert(C.kind == CXCursor_MacroDefinition); 370 return static_cast<MacroDefinition *>(C.data[0]); 371 } 372 373 CXCursor cxcursor::MakeMacroInstantiationCursor(MacroInstantiation *MI, 374 CXTranslationUnit TU) { 375 CXCursor C = { CXCursor_MacroInstantiation, { MI, 0, TU } }; 376 return C; 377 } 378 379 MacroInstantiation *cxcursor::getCursorMacroInstantiation(CXCursor C) { 380 assert(C.kind == CXCursor_MacroInstantiation); 381 return static_cast<MacroInstantiation *>(C.data[0]); 382 } 383 384 CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID, 385 CXTranslationUnit TU) { 386 CXCursor C = { CXCursor_InclusionDirective, { ID, 0, TU } }; 387 return C; 388 } 389 390 InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) { 391 assert(C.kind == CXCursor_InclusionDirective); 392 return static_cast<InclusionDirective *>(C.data[0]); 393 } 394 395 CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc, 396 CXTranslationUnit TU) { 397 398 assert(Label && TU && "Invalid arguments!"); 399 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 400 CXCursor C = { CXCursor_LabelRef, { Label, RawLoc, TU } }; 401 return C; 402 } 403 404 std::pair<LabelStmt*, SourceLocation> 405 cxcursor::getCursorLabelRef(CXCursor C) { 406 assert(C.kind == CXCursor_LabelRef); 407 return std::make_pair(static_cast<LabelStmt *>(C.data[0]), 408 SourceLocation::getFromRawEncoding( 409 reinterpret_cast<uintptr_t>(C.data[1]))); 410 } 411 412 CXCursor cxcursor::MakeCursorOverloadedDeclRef(OverloadExpr *E, 413 CXTranslationUnit TU) { 414 assert(E && TU && "Invalid arguments!"); 415 OverloadedDeclRefStorage Storage(E); 416 void *RawLoc = reinterpret_cast<void *>(E->getNameLoc().getRawEncoding()); 417 CXCursor C = { 418 CXCursor_OverloadedDeclRef, 419 { Storage.getOpaqueValue(), RawLoc, TU } 420 }; 421 return C; 422 } 423 424 CXCursor cxcursor::MakeCursorOverloadedDeclRef(Decl *D, 425 SourceLocation Loc, 426 CXTranslationUnit TU) { 427 assert(D && TU && "Invalid arguments!"); 428 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 429 OverloadedDeclRefStorage Storage(D); 430 CXCursor C = { 431 CXCursor_OverloadedDeclRef, 432 { Storage.getOpaqueValue(), RawLoc, TU } 433 }; 434 return C; 435 } 436 437 CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name, 438 SourceLocation Loc, 439 CXTranslationUnit TU) { 440 assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!"); 441 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 442 OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate()); 443 CXCursor C = { 444 CXCursor_OverloadedDeclRef, 445 { Storage.getOpaqueValue(), RawLoc, TU } 446 }; 447 return C; 448 } 449 450 std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation> 451 cxcursor::getCursorOverloadedDeclRef(CXCursor C) { 452 assert(C.kind == CXCursor_OverloadedDeclRef); 453 return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue(C.data[0]), 454 SourceLocation::getFromRawEncoding( 455 reinterpret_cast<uintptr_t>(C.data[1]))); 456 } 457 458 Decl *cxcursor::getCursorDecl(CXCursor Cursor) { 459 return (Decl *)Cursor.data[0]; 460 } 461 462 Expr *cxcursor::getCursorExpr(CXCursor Cursor) { 463 return dyn_cast_or_null<Expr>(getCursorStmt(Cursor)); 464 } 465 466 Stmt *cxcursor::getCursorStmt(CXCursor Cursor) { 467 if (Cursor.kind == CXCursor_ObjCSuperClassRef || 468 Cursor.kind == CXCursor_ObjCProtocolRef || 469 Cursor.kind == CXCursor_ObjCClassRef) 470 return 0; 471 472 return (Stmt *)Cursor.data[1]; 473 } 474 475 Attr *cxcursor::getCursorAttr(CXCursor Cursor) { 476 return (Attr *)Cursor.data[1]; 477 } 478 479 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { 480 return getCursorASTUnit(Cursor)->getASTContext(); 481 } 482 483 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { 484 return static_cast<ASTUnit *>(static_cast<CXTranslationUnit>(Cursor.data[2]) 485 ->TUData); 486 } 487 488 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { 489 return static_cast<CXTranslationUnit>(Cursor.data[2]); 490 } 491 492 bool cxcursor::operator==(CXCursor X, CXCursor Y) { 493 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && 494 X.data[2] == Y.data[2]; 495 } 496 497 // FIXME: Remove once we can model DeclGroups and their appropriate ranges 498 // properly in the ASTs. 499 bool cxcursor::isFirstInDeclGroup(CXCursor C) { 500 assert(clang_isDeclaration(C.kind)); 501 return ((uintptr_t) (C.data[1])) != 0; 502 } 503 504 //===----------------------------------------------------------------------===// 505 // CXCursorSet. 506 //===----------------------------------------------------------------------===// 507 508 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; 509 510 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { 511 return (CXCursorSet) setImpl; 512 } 513 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { 514 return (CXCursorSet_Impl*) set; 515 } 516 namespace llvm { 517 template<> struct DenseMapInfo<CXCursor> { 518 public: 519 static inline CXCursor getEmptyKey() { 520 return MakeCXCursorInvalid(CXCursor_InvalidFile); 521 } 522 static inline CXCursor getTombstoneKey() { 523 return MakeCXCursorInvalid(CXCursor_NoDeclFound); 524 } 525 static inline unsigned getHashValue(const CXCursor &cursor) { 526 return llvm::DenseMapInfo<std::pair<void*,void*> > 527 ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); 528 } 529 static inline bool isEqual(const CXCursor &x, const CXCursor &y) { 530 return x.kind == y.kind && 531 x.data[0] == y.data[0] && 532 x.data[1] == y.data[1]; 533 } 534 }; 535 } 536 537 extern "C" { 538 CXCursorSet clang_createCXCursorSet() { 539 return packCXCursorSet(new CXCursorSet_Impl()); 540 } 541 542 void clang_disposeCXCursorSet(CXCursorSet set) { 543 delete unpackCXCursorSet(set); 544 } 545 546 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { 547 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 548 if (!setImpl) 549 return 0; 550 return setImpl->find(cursor) == setImpl->end(); 551 } 552 553 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { 554 // Do not insert invalid cursors into the set. 555 if (cursor.kind >= CXCursor_FirstInvalid && 556 cursor.kind <= CXCursor_LastInvalid) 557 return 1; 558 559 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 560 if (!setImpl) 561 return 1; 562 unsigned &entry = (*setImpl)[cursor]; 563 unsigned flag = entry == 0 ? 1 : 0; 564 entry = 1; 565 return flag; 566 } 567 } // end: extern "C" 568