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::ObjCAutoreleasePoolStmtClass: 96 case Stmt::ObjCForCollectionStmtClass: 97 case Stmt::CXXCatchStmtClass: 98 case Stmt::CXXTryStmtClass: 99 case Stmt::CXXForRangeStmtClass: 100 case Stmt::SEHTryStmtClass: 101 case Stmt::SEHExceptStmtClass: 102 case Stmt::SEHFinallyStmtClass: 103 K = CXCursor_UnexposedStmt; 104 break; 105 106 case Stmt::LabelStmtClass: 107 K = CXCursor_LabelStmt; 108 break; 109 110 case Stmt::PredefinedExprClass: 111 case Stmt::IntegerLiteralClass: 112 case Stmt::FloatingLiteralClass: 113 case Stmt::ImaginaryLiteralClass: 114 case Stmt::StringLiteralClass: 115 case Stmt::CharacterLiteralClass: 116 case Stmt::ParenExprClass: 117 case Stmt::UnaryOperatorClass: 118 case Stmt::OffsetOfExprClass: 119 case Stmt::UnaryExprOrTypeTraitExprClass: 120 case Stmt::ArraySubscriptExprClass: 121 case Stmt::BinaryOperatorClass: 122 case Stmt::CompoundAssignOperatorClass: 123 case Stmt::ConditionalOperatorClass: 124 case Stmt::BinaryConditionalOperatorClass: 125 case Stmt::ImplicitCastExprClass: 126 case Stmt::CStyleCastExprClass: 127 case Stmt::CompoundLiteralExprClass: 128 case Stmt::ExtVectorElementExprClass: 129 case Stmt::InitListExprClass: 130 case Stmt::DesignatedInitExprClass: 131 case Stmt::ImplicitValueInitExprClass: 132 case Stmt::ParenListExprClass: 133 case Stmt::VAArgExprClass: 134 case Stmt::AddrLabelExprClass: 135 case Stmt::StmtExprClass: 136 case Stmt::ChooseExprClass: 137 case Stmt::GenericSelectionExprClass: 138 case Stmt::GNUNullExprClass: 139 case Stmt::CXXStaticCastExprClass: 140 case Stmt::CXXDynamicCastExprClass: 141 case Stmt::CXXReinterpretCastExprClass: 142 case Stmt::CXXConstCastExprClass: 143 case Stmt::CXXFunctionalCastExprClass: 144 case Stmt::CXXTypeidExprClass: 145 case Stmt::CXXUuidofExprClass: 146 case Stmt::CXXBoolLiteralExprClass: 147 case Stmt::CXXNullPtrLiteralExprClass: 148 case Stmt::CXXThisExprClass: 149 case Stmt::CXXThrowExprClass: 150 case Stmt::CXXDefaultArgExprClass: 151 case Stmt::CXXScalarValueInitExprClass: 152 case Stmt::CXXNewExprClass: 153 case Stmt::CXXDeleteExprClass: 154 case Stmt::CXXPseudoDestructorExprClass: 155 case Stmt::UnresolvedLookupExprClass: 156 case Stmt::UnaryTypeTraitExprClass: 157 case Stmt::BinaryTypeTraitExprClass: 158 case Stmt::ArrayTypeTraitExprClass: 159 case Stmt::ExpressionTraitExprClass: 160 case Stmt::DependentScopeDeclRefExprClass: 161 case Stmt::CXXBindTemporaryExprClass: 162 case Stmt::ExprWithCleanupsClass: 163 case Stmt::CXXUnresolvedConstructExprClass: 164 case Stmt::CXXDependentScopeMemberExprClass: 165 case Stmt::UnresolvedMemberExprClass: 166 case Stmt::CXXNoexceptExprClass: 167 case Stmt::ObjCStringLiteralClass: 168 case Stmt::ObjCEncodeExprClass: 169 case Stmt::ObjCSelectorExprClass: 170 case Stmt::ObjCProtocolExprClass: 171 case Stmt::ObjCIsaExprClass: 172 case Stmt::ObjCIndirectCopyRestoreExprClass: 173 case Stmt::ObjCBridgedCastExprClass: 174 case Stmt::ShuffleVectorExprClass: 175 case Stmt::BlockExprClass: 176 case Stmt::OpaqueValueExprClass: 177 case Stmt::PackExpansionExprClass: 178 case Stmt::SizeOfPackExprClass: 179 case Stmt::AsTypeExprClass: 180 K = CXCursor_UnexposedExpr; 181 break; 182 183 case Stmt::DeclRefExprClass: 184 case Stmt::BlockDeclRefExprClass: 185 case Stmt::SubstNonTypeTemplateParmPackExprClass: 186 // FIXME: UnresolvedLookupExpr? 187 // FIXME: DependentScopeDeclRefExpr? 188 K = CXCursor_DeclRefExpr; 189 break; 190 191 case Stmt::MemberExprClass: 192 case Stmt::ObjCIvarRefExprClass: 193 case Stmt::ObjCPropertyRefExprClass: 194 // FIXME: UnresolvedMemberExpr? 195 // FIXME: CXXDependentScopeMemberExpr? 196 K = CXCursor_MemberRefExpr; 197 break; 198 199 case Stmt::CallExprClass: 200 case Stmt::CXXOperatorCallExprClass: 201 case Stmt::CXXMemberCallExprClass: 202 case Stmt::CUDAKernelCallExprClass: 203 case Stmt::CXXConstructExprClass: 204 case Stmt::CXXTemporaryObjectExprClass: 205 // FIXME: CXXUnresolvedConstructExpr 206 K = CXCursor_CallExpr; 207 break; 208 209 case Stmt::ObjCMessageExprClass: 210 K = CXCursor_ObjCMessageExpr; 211 break; 212 } 213 214 CXCursor C = { K, { Parent, S, TU } }; 215 return C; 216 } 217 218 CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super, 219 SourceLocation Loc, 220 CXTranslationUnit TU) { 221 assert(Super && TU && "Invalid arguments!"); 222 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 223 CXCursor C = { CXCursor_ObjCSuperClassRef, { Super, RawLoc, TU } }; 224 return C; 225 } 226 227 std::pair<ObjCInterfaceDecl *, SourceLocation> 228 cxcursor::getCursorObjCSuperClassRef(CXCursor C) { 229 assert(C.kind == CXCursor_ObjCSuperClassRef); 230 return std::make_pair(static_cast<ObjCInterfaceDecl *>(C.data[0]), 231 SourceLocation::getFromRawEncoding( 232 reinterpret_cast<uintptr_t>(C.data[1]))); 233 } 234 235 CXCursor cxcursor::MakeCursorObjCProtocolRef(ObjCProtocolDecl *Super, 236 SourceLocation Loc, 237 CXTranslationUnit TU) { 238 assert(Super && TU && "Invalid arguments!"); 239 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 240 CXCursor C = { CXCursor_ObjCProtocolRef, { Super, RawLoc, TU } }; 241 return C; 242 } 243 244 std::pair<ObjCProtocolDecl *, SourceLocation> 245 cxcursor::getCursorObjCProtocolRef(CXCursor C) { 246 assert(C.kind == CXCursor_ObjCProtocolRef); 247 return std::make_pair(static_cast<ObjCProtocolDecl *>(C.data[0]), 248 SourceLocation::getFromRawEncoding( 249 reinterpret_cast<uintptr_t>(C.data[1]))); 250 } 251 252 CXCursor cxcursor::MakeCursorObjCClassRef(ObjCInterfaceDecl *Class, 253 SourceLocation Loc, 254 CXTranslationUnit TU) { 255 // 'Class' can be null for invalid code. 256 if (!Class) 257 return MakeCXCursorInvalid(CXCursor_InvalidCode); 258 assert(TU && "Invalid arguments!"); 259 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 260 CXCursor C = { CXCursor_ObjCClassRef, { Class, RawLoc, TU } }; 261 return C; 262 } 263 264 std::pair<ObjCInterfaceDecl *, SourceLocation> 265 cxcursor::getCursorObjCClassRef(CXCursor C) { 266 assert(C.kind == CXCursor_ObjCClassRef); 267 return std::make_pair(static_cast<ObjCInterfaceDecl *>(C.data[0]), 268 SourceLocation::getFromRawEncoding( 269 reinterpret_cast<uintptr_t>(C.data[1]))); 270 } 271 272 CXCursor cxcursor::MakeCursorTypeRef(TypeDecl *Type, SourceLocation Loc, 273 CXTranslationUnit TU) { 274 assert(Type && TU && "Invalid arguments!"); 275 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 276 CXCursor C = { CXCursor_TypeRef, { Type, RawLoc, TU } }; 277 return C; 278 } 279 280 std::pair<TypeDecl *, SourceLocation> 281 cxcursor::getCursorTypeRef(CXCursor C) { 282 assert(C.kind == CXCursor_TypeRef); 283 return std::make_pair(static_cast<TypeDecl *>(C.data[0]), 284 SourceLocation::getFromRawEncoding( 285 reinterpret_cast<uintptr_t>(C.data[1]))); 286 } 287 288 CXCursor cxcursor::MakeCursorTemplateRef(TemplateDecl *Template, 289 SourceLocation Loc, 290 CXTranslationUnit TU) { 291 assert(Template && TU && "Invalid arguments!"); 292 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 293 CXCursor C = { CXCursor_TemplateRef, { Template, RawLoc, TU } }; 294 return C; 295 } 296 297 std::pair<TemplateDecl *, SourceLocation> 298 cxcursor::getCursorTemplateRef(CXCursor C) { 299 assert(C.kind == CXCursor_TemplateRef); 300 return std::make_pair(static_cast<TemplateDecl *>(C.data[0]), 301 SourceLocation::getFromRawEncoding( 302 reinterpret_cast<uintptr_t>(C.data[1]))); 303 } 304 305 CXCursor cxcursor::MakeCursorNamespaceRef(NamedDecl *NS, SourceLocation Loc, 306 CXTranslationUnit TU) { 307 308 assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU && 309 "Invalid arguments!"); 310 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 311 CXCursor C = { CXCursor_NamespaceRef, { NS, RawLoc, TU } }; 312 return C; 313 } 314 315 std::pair<NamedDecl *, SourceLocation> 316 cxcursor::getCursorNamespaceRef(CXCursor C) { 317 assert(C.kind == CXCursor_NamespaceRef); 318 return std::make_pair(static_cast<NamedDecl *>(C.data[0]), 319 SourceLocation::getFromRawEncoding( 320 reinterpret_cast<uintptr_t>(C.data[1]))); 321 } 322 323 CXCursor cxcursor::MakeCursorMemberRef(FieldDecl *Field, SourceLocation Loc, 324 CXTranslationUnit TU) { 325 326 assert(Field && TU && "Invalid arguments!"); 327 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 328 CXCursor C = { CXCursor_MemberRef, { Field, RawLoc, TU } }; 329 return C; 330 } 331 332 std::pair<FieldDecl *, SourceLocation> 333 cxcursor::getCursorMemberRef(CXCursor C) { 334 assert(C.kind == CXCursor_MemberRef); 335 return std::make_pair(static_cast<FieldDecl *>(C.data[0]), 336 SourceLocation::getFromRawEncoding( 337 reinterpret_cast<uintptr_t>(C.data[1]))); 338 } 339 340 CXCursor cxcursor::MakeCursorCXXBaseSpecifier(CXXBaseSpecifier *B, 341 CXTranslationUnit TU){ 342 CXCursor C = { CXCursor_CXXBaseSpecifier, { B, 0, TU } }; 343 return C; 344 } 345 346 CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) { 347 assert(C.kind == CXCursor_CXXBaseSpecifier); 348 return static_cast<CXXBaseSpecifier*>(C.data[0]); 349 } 350 351 CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range, 352 CXTranslationUnit TU) { 353 CXCursor C = { CXCursor_PreprocessingDirective, 354 { reinterpret_cast<void *>(Range.getBegin().getRawEncoding()), 355 reinterpret_cast<void *>(Range.getEnd().getRawEncoding()), 356 TU } 357 }; 358 return C; 359 } 360 361 SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) { 362 assert(C.kind == CXCursor_PreprocessingDirective); 363 return SourceRange(SourceLocation::getFromRawEncoding( 364 reinterpret_cast<uintptr_t> (C.data[0])), 365 SourceLocation::getFromRawEncoding( 366 reinterpret_cast<uintptr_t> (C.data[1]))); 367 } 368 369 CXCursor cxcursor::MakeMacroDefinitionCursor(MacroDefinition *MI, 370 CXTranslationUnit TU) { 371 CXCursor C = { CXCursor_MacroDefinition, { MI, 0, TU } }; 372 return C; 373 } 374 375 MacroDefinition *cxcursor::getCursorMacroDefinition(CXCursor C) { 376 assert(C.kind == CXCursor_MacroDefinition); 377 return static_cast<MacroDefinition *>(C.data[0]); 378 } 379 380 CXCursor cxcursor::MakeMacroInstantiationCursor(MacroInstantiation *MI, 381 CXTranslationUnit TU) { 382 CXCursor C = { CXCursor_MacroInstantiation, { MI, 0, TU } }; 383 return C; 384 } 385 386 MacroInstantiation *cxcursor::getCursorMacroInstantiation(CXCursor C) { 387 assert(C.kind == CXCursor_MacroInstantiation); 388 return static_cast<MacroInstantiation *>(C.data[0]); 389 } 390 391 CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID, 392 CXTranslationUnit TU) { 393 CXCursor C = { CXCursor_InclusionDirective, { ID, 0, TU } }; 394 return C; 395 } 396 397 InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) { 398 assert(C.kind == CXCursor_InclusionDirective); 399 return static_cast<InclusionDirective *>(C.data[0]); 400 } 401 402 CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc, 403 CXTranslationUnit TU) { 404 405 assert(Label && TU && "Invalid arguments!"); 406 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 407 CXCursor C = { CXCursor_LabelRef, { Label, RawLoc, TU } }; 408 return C; 409 } 410 411 std::pair<LabelStmt*, SourceLocation> 412 cxcursor::getCursorLabelRef(CXCursor C) { 413 assert(C.kind == CXCursor_LabelRef); 414 return std::make_pair(static_cast<LabelStmt *>(C.data[0]), 415 SourceLocation::getFromRawEncoding( 416 reinterpret_cast<uintptr_t>(C.data[1]))); 417 } 418 419 CXCursor cxcursor::MakeCursorOverloadedDeclRef(OverloadExpr *E, 420 CXTranslationUnit TU) { 421 assert(E && TU && "Invalid arguments!"); 422 OverloadedDeclRefStorage Storage(E); 423 void *RawLoc = reinterpret_cast<void *>(E->getNameLoc().getRawEncoding()); 424 CXCursor C = { 425 CXCursor_OverloadedDeclRef, 426 { Storage.getOpaqueValue(), RawLoc, TU } 427 }; 428 return C; 429 } 430 431 CXCursor cxcursor::MakeCursorOverloadedDeclRef(Decl *D, 432 SourceLocation Loc, 433 CXTranslationUnit TU) { 434 assert(D && TU && "Invalid arguments!"); 435 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 436 OverloadedDeclRefStorage Storage(D); 437 CXCursor C = { 438 CXCursor_OverloadedDeclRef, 439 { Storage.getOpaqueValue(), RawLoc, TU } 440 }; 441 return C; 442 } 443 444 CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name, 445 SourceLocation Loc, 446 CXTranslationUnit TU) { 447 assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!"); 448 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 449 OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate()); 450 CXCursor C = { 451 CXCursor_OverloadedDeclRef, 452 { Storage.getOpaqueValue(), RawLoc, TU } 453 }; 454 return C; 455 } 456 457 std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation> 458 cxcursor::getCursorOverloadedDeclRef(CXCursor C) { 459 assert(C.kind == CXCursor_OverloadedDeclRef); 460 return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue(C.data[0]), 461 SourceLocation::getFromRawEncoding( 462 reinterpret_cast<uintptr_t>(C.data[1]))); 463 } 464 465 Decl *cxcursor::getCursorDecl(CXCursor Cursor) { 466 return (Decl *)Cursor.data[0]; 467 } 468 469 Expr *cxcursor::getCursorExpr(CXCursor Cursor) { 470 return dyn_cast_or_null<Expr>(getCursorStmt(Cursor)); 471 } 472 473 Stmt *cxcursor::getCursorStmt(CXCursor Cursor) { 474 if (Cursor.kind == CXCursor_ObjCSuperClassRef || 475 Cursor.kind == CXCursor_ObjCProtocolRef || 476 Cursor.kind == CXCursor_ObjCClassRef) 477 return 0; 478 479 return (Stmt *)Cursor.data[1]; 480 } 481 482 Attr *cxcursor::getCursorAttr(CXCursor Cursor) { 483 return (Attr *)Cursor.data[1]; 484 } 485 486 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { 487 return getCursorASTUnit(Cursor)->getASTContext(); 488 } 489 490 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { 491 return static_cast<ASTUnit *>(static_cast<CXTranslationUnit>(Cursor.data[2]) 492 ->TUData); 493 } 494 495 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { 496 return static_cast<CXTranslationUnit>(Cursor.data[2]); 497 } 498 499 bool cxcursor::operator==(CXCursor X, CXCursor Y) { 500 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && 501 X.data[2] == Y.data[2]; 502 } 503 504 // FIXME: Remove once we can model DeclGroups and their appropriate ranges 505 // properly in the ASTs. 506 bool cxcursor::isFirstInDeclGroup(CXCursor C) { 507 assert(clang_isDeclaration(C.kind)); 508 return ((uintptr_t) (C.data[1])) != 0; 509 } 510 511 //===----------------------------------------------------------------------===// 512 // CXCursorSet. 513 //===----------------------------------------------------------------------===// 514 515 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; 516 517 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { 518 return (CXCursorSet) setImpl; 519 } 520 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { 521 return (CXCursorSet_Impl*) set; 522 } 523 namespace llvm { 524 template<> struct DenseMapInfo<CXCursor> { 525 public: 526 static inline CXCursor getEmptyKey() { 527 return MakeCXCursorInvalid(CXCursor_InvalidFile); 528 } 529 static inline CXCursor getTombstoneKey() { 530 return MakeCXCursorInvalid(CXCursor_NoDeclFound); 531 } 532 static inline unsigned getHashValue(const CXCursor &cursor) { 533 return llvm::DenseMapInfo<std::pair<void*,void*> > 534 ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); 535 } 536 static inline bool isEqual(const CXCursor &x, const CXCursor &y) { 537 return x.kind == y.kind && 538 x.data[0] == y.data[0] && 539 x.data[1] == y.data[1]; 540 } 541 }; 542 } 543 544 extern "C" { 545 CXCursorSet clang_createCXCursorSet() { 546 return packCXCursorSet(new CXCursorSet_Impl()); 547 } 548 549 void clang_disposeCXCursorSet(CXCursorSet set) { 550 delete unpackCXCursorSet(set); 551 } 552 553 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { 554 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 555 if (!setImpl) 556 return 0; 557 return setImpl->find(cursor) == setImpl->end(); 558 } 559 560 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { 561 // Do not insert invalid cursors into the set. 562 if (cursor.kind >= CXCursor_FirstInvalid && 563 cursor.kind <= CXCursor_LastInvalid) 564 return 1; 565 566 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 567 if (!setImpl) 568 return 1; 569 unsigned &entry = (*setImpl)[cursor]; 570 unsigned flag = entry == 0 ? 1 : 0; 571 entry = 1; 572 return flag; 573 } 574 } // end: extern "C" 575