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 case Stmt::MaterializeTemporaryExprClass: 104 K = CXCursor_UnexposedStmt; 105 break; 106 107 case Stmt::LabelStmtClass: 108 K = CXCursor_LabelStmt; 109 break; 110 111 case Stmt::PredefinedExprClass: 112 case Stmt::IntegerLiteralClass: 113 case Stmt::FloatingLiteralClass: 114 case Stmt::ImaginaryLiteralClass: 115 case Stmt::StringLiteralClass: 116 case Stmt::CharacterLiteralClass: 117 case Stmt::ParenExprClass: 118 case Stmt::UnaryOperatorClass: 119 case Stmt::OffsetOfExprClass: 120 case Stmt::UnaryExprOrTypeTraitExprClass: 121 case Stmt::ArraySubscriptExprClass: 122 case Stmt::BinaryOperatorClass: 123 case Stmt::CompoundAssignOperatorClass: 124 case Stmt::ConditionalOperatorClass: 125 case Stmt::BinaryConditionalOperatorClass: 126 case Stmt::ImplicitCastExprClass: 127 case Stmt::CStyleCastExprClass: 128 case Stmt::CompoundLiteralExprClass: 129 case Stmt::ExtVectorElementExprClass: 130 case Stmt::InitListExprClass: 131 case Stmt::DesignatedInitExprClass: 132 case Stmt::ImplicitValueInitExprClass: 133 case Stmt::ParenListExprClass: 134 case Stmt::VAArgExprClass: 135 case Stmt::AddrLabelExprClass: 136 case Stmt::StmtExprClass: 137 case Stmt::ChooseExprClass: 138 case Stmt::GenericSelectionExprClass: 139 case Stmt::GNUNullExprClass: 140 case Stmt::CXXStaticCastExprClass: 141 case Stmt::CXXDynamicCastExprClass: 142 case Stmt::CXXReinterpretCastExprClass: 143 case Stmt::CXXConstCastExprClass: 144 case Stmt::CXXFunctionalCastExprClass: 145 case Stmt::CXXTypeidExprClass: 146 case Stmt::CXXUuidofExprClass: 147 case Stmt::CXXBoolLiteralExprClass: 148 case Stmt::CXXNullPtrLiteralExprClass: 149 case Stmt::CXXThisExprClass: 150 case Stmt::CXXThrowExprClass: 151 case Stmt::CXXDefaultArgExprClass: 152 case Stmt::CXXScalarValueInitExprClass: 153 case Stmt::CXXNewExprClass: 154 case Stmt::CXXDeleteExprClass: 155 case Stmt::CXXPseudoDestructorExprClass: 156 case Stmt::UnresolvedLookupExprClass: 157 case Stmt::UnaryTypeTraitExprClass: 158 case Stmt::BinaryTypeTraitExprClass: 159 case Stmt::ArrayTypeTraitExprClass: 160 case Stmt::ExpressionTraitExprClass: 161 case Stmt::DependentScopeDeclRefExprClass: 162 case Stmt::CXXBindTemporaryExprClass: 163 case Stmt::ExprWithCleanupsClass: 164 case Stmt::CXXUnresolvedConstructExprClass: 165 case Stmt::CXXDependentScopeMemberExprClass: 166 case Stmt::UnresolvedMemberExprClass: 167 case Stmt::CXXNoexceptExprClass: 168 case Stmt::ObjCStringLiteralClass: 169 case Stmt::ObjCEncodeExprClass: 170 case Stmt::ObjCSelectorExprClass: 171 case Stmt::ObjCProtocolExprClass: 172 case Stmt::ObjCIsaExprClass: 173 case Stmt::ObjCIndirectCopyRestoreExprClass: 174 case Stmt::ObjCBridgedCastExprClass: 175 case Stmt::ShuffleVectorExprClass: 176 case Stmt::BlockExprClass: 177 case Stmt::OpaqueValueExprClass: 178 case Stmt::PackExpansionExprClass: 179 case Stmt::SizeOfPackExprClass: 180 case Stmt::AsTypeExprClass: 181 K = CXCursor_UnexposedExpr; 182 break; 183 184 case Stmt::DeclRefExprClass: 185 case Stmt::BlockDeclRefExprClass: 186 case Stmt::SubstNonTypeTemplateParmPackExprClass: 187 // FIXME: UnresolvedLookupExpr? 188 // FIXME: DependentScopeDeclRefExpr? 189 K = CXCursor_DeclRefExpr; 190 break; 191 192 case Stmt::MemberExprClass: 193 case Stmt::ObjCIvarRefExprClass: 194 case Stmt::ObjCPropertyRefExprClass: 195 // FIXME: UnresolvedMemberExpr? 196 // FIXME: CXXDependentScopeMemberExpr? 197 K = CXCursor_MemberRefExpr; 198 break; 199 200 case Stmt::CallExprClass: 201 case Stmt::CXXOperatorCallExprClass: 202 case Stmt::CXXMemberCallExprClass: 203 case Stmt::CUDAKernelCallExprClass: 204 case Stmt::CXXConstructExprClass: 205 case Stmt::CXXTemporaryObjectExprClass: 206 // FIXME: CXXUnresolvedConstructExpr 207 K = CXCursor_CallExpr; 208 break; 209 210 case Stmt::ObjCMessageExprClass: 211 K = CXCursor_ObjCMessageExpr; 212 break; 213 } 214 215 CXCursor C = { K, { Parent, S, TU } }; 216 return C; 217 } 218 219 CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super, 220 SourceLocation Loc, 221 CXTranslationUnit TU) { 222 assert(Super && TU && "Invalid arguments!"); 223 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 224 CXCursor C = { CXCursor_ObjCSuperClassRef, { Super, RawLoc, TU } }; 225 return C; 226 } 227 228 std::pair<ObjCInterfaceDecl *, SourceLocation> 229 cxcursor::getCursorObjCSuperClassRef(CXCursor C) { 230 assert(C.kind == CXCursor_ObjCSuperClassRef); 231 return std::make_pair(static_cast<ObjCInterfaceDecl *>(C.data[0]), 232 SourceLocation::getFromRawEncoding( 233 reinterpret_cast<uintptr_t>(C.data[1]))); 234 } 235 236 CXCursor cxcursor::MakeCursorObjCProtocolRef(ObjCProtocolDecl *Super, 237 SourceLocation Loc, 238 CXTranslationUnit TU) { 239 assert(Super && TU && "Invalid arguments!"); 240 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 241 CXCursor C = { CXCursor_ObjCProtocolRef, { Super, RawLoc, TU } }; 242 return C; 243 } 244 245 std::pair<ObjCProtocolDecl *, SourceLocation> 246 cxcursor::getCursorObjCProtocolRef(CXCursor C) { 247 assert(C.kind == CXCursor_ObjCProtocolRef); 248 return std::make_pair(static_cast<ObjCProtocolDecl *>(C.data[0]), 249 SourceLocation::getFromRawEncoding( 250 reinterpret_cast<uintptr_t>(C.data[1]))); 251 } 252 253 CXCursor cxcursor::MakeCursorObjCClassRef(ObjCInterfaceDecl *Class, 254 SourceLocation Loc, 255 CXTranslationUnit TU) { 256 // 'Class' can be null for invalid code. 257 if (!Class) 258 return MakeCXCursorInvalid(CXCursor_InvalidCode); 259 assert(TU && "Invalid arguments!"); 260 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 261 CXCursor C = { CXCursor_ObjCClassRef, { Class, RawLoc, TU } }; 262 return C; 263 } 264 265 std::pair<ObjCInterfaceDecl *, SourceLocation> 266 cxcursor::getCursorObjCClassRef(CXCursor C) { 267 assert(C.kind == CXCursor_ObjCClassRef); 268 return std::make_pair(static_cast<ObjCInterfaceDecl *>(C.data[0]), 269 SourceLocation::getFromRawEncoding( 270 reinterpret_cast<uintptr_t>(C.data[1]))); 271 } 272 273 CXCursor cxcursor::MakeCursorTypeRef(TypeDecl *Type, SourceLocation Loc, 274 CXTranslationUnit TU) { 275 assert(Type && TU && "Invalid arguments!"); 276 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 277 CXCursor C = { CXCursor_TypeRef, { Type, RawLoc, TU } }; 278 return C; 279 } 280 281 std::pair<TypeDecl *, SourceLocation> 282 cxcursor::getCursorTypeRef(CXCursor C) { 283 assert(C.kind == CXCursor_TypeRef); 284 return std::make_pair(static_cast<TypeDecl *>(C.data[0]), 285 SourceLocation::getFromRawEncoding( 286 reinterpret_cast<uintptr_t>(C.data[1]))); 287 } 288 289 CXCursor cxcursor::MakeCursorTemplateRef(TemplateDecl *Template, 290 SourceLocation Loc, 291 CXTranslationUnit TU) { 292 assert(Template && TU && "Invalid arguments!"); 293 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 294 CXCursor C = { CXCursor_TemplateRef, { Template, RawLoc, TU } }; 295 return C; 296 } 297 298 std::pair<TemplateDecl *, SourceLocation> 299 cxcursor::getCursorTemplateRef(CXCursor C) { 300 assert(C.kind == CXCursor_TemplateRef); 301 return std::make_pair(static_cast<TemplateDecl *>(C.data[0]), 302 SourceLocation::getFromRawEncoding( 303 reinterpret_cast<uintptr_t>(C.data[1]))); 304 } 305 306 CXCursor cxcursor::MakeCursorNamespaceRef(NamedDecl *NS, SourceLocation Loc, 307 CXTranslationUnit TU) { 308 309 assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU && 310 "Invalid arguments!"); 311 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 312 CXCursor C = { CXCursor_NamespaceRef, { NS, RawLoc, TU } }; 313 return C; 314 } 315 316 std::pair<NamedDecl *, SourceLocation> 317 cxcursor::getCursorNamespaceRef(CXCursor C) { 318 assert(C.kind == CXCursor_NamespaceRef); 319 return std::make_pair(static_cast<NamedDecl *>(C.data[0]), 320 SourceLocation::getFromRawEncoding( 321 reinterpret_cast<uintptr_t>(C.data[1]))); 322 } 323 324 CXCursor cxcursor::MakeCursorMemberRef(FieldDecl *Field, SourceLocation Loc, 325 CXTranslationUnit TU) { 326 327 assert(Field && TU && "Invalid arguments!"); 328 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 329 CXCursor C = { CXCursor_MemberRef, { Field, RawLoc, TU } }; 330 return C; 331 } 332 333 std::pair<FieldDecl *, SourceLocation> 334 cxcursor::getCursorMemberRef(CXCursor C) { 335 assert(C.kind == CXCursor_MemberRef); 336 return std::make_pair(static_cast<FieldDecl *>(C.data[0]), 337 SourceLocation::getFromRawEncoding( 338 reinterpret_cast<uintptr_t>(C.data[1]))); 339 } 340 341 CXCursor cxcursor::MakeCursorCXXBaseSpecifier(CXXBaseSpecifier *B, 342 CXTranslationUnit TU){ 343 CXCursor C = { CXCursor_CXXBaseSpecifier, { B, 0, TU } }; 344 return C; 345 } 346 347 CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) { 348 assert(C.kind == CXCursor_CXXBaseSpecifier); 349 return static_cast<CXXBaseSpecifier*>(C.data[0]); 350 } 351 352 CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range, 353 CXTranslationUnit TU) { 354 CXCursor C = { CXCursor_PreprocessingDirective, 355 { reinterpret_cast<void *>(Range.getBegin().getRawEncoding()), 356 reinterpret_cast<void *>(Range.getEnd().getRawEncoding()), 357 TU } 358 }; 359 return C; 360 } 361 362 SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) { 363 assert(C.kind == CXCursor_PreprocessingDirective); 364 return SourceRange(SourceLocation::getFromRawEncoding( 365 reinterpret_cast<uintptr_t> (C.data[0])), 366 SourceLocation::getFromRawEncoding( 367 reinterpret_cast<uintptr_t> (C.data[1]))); 368 } 369 370 CXCursor cxcursor::MakeMacroDefinitionCursor(MacroDefinition *MI, 371 CXTranslationUnit TU) { 372 CXCursor C = { CXCursor_MacroDefinition, { MI, 0, TU } }; 373 return C; 374 } 375 376 MacroDefinition *cxcursor::getCursorMacroDefinition(CXCursor C) { 377 assert(C.kind == CXCursor_MacroDefinition); 378 return static_cast<MacroDefinition *>(C.data[0]); 379 } 380 381 CXCursor cxcursor::MakeMacroInstantiationCursor(MacroInstantiation *MI, 382 CXTranslationUnit TU) { 383 CXCursor C = { CXCursor_MacroInstantiation, { MI, 0, TU } }; 384 return C; 385 } 386 387 MacroInstantiation *cxcursor::getCursorMacroInstantiation(CXCursor C) { 388 assert(C.kind == CXCursor_MacroInstantiation); 389 return static_cast<MacroInstantiation *>(C.data[0]); 390 } 391 392 CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID, 393 CXTranslationUnit TU) { 394 CXCursor C = { CXCursor_InclusionDirective, { ID, 0, TU } }; 395 return C; 396 } 397 398 InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) { 399 assert(C.kind == CXCursor_InclusionDirective); 400 return static_cast<InclusionDirective *>(C.data[0]); 401 } 402 403 CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc, 404 CXTranslationUnit TU) { 405 406 assert(Label && TU && "Invalid arguments!"); 407 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 408 CXCursor C = { CXCursor_LabelRef, { Label, RawLoc, TU } }; 409 return C; 410 } 411 412 std::pair<LabelStmt*, SourceLocation> 413 cxcursor::getCursorLabelRef(CXCursor C) { 414 assert(C.kind == CXCursor_LabelRef); 415 return std::make_pair(static_cast<LabelStmt *>(C.data[0]), 416 SourceLocation::getFromRawEncoding( 417 reinterpret_cast<uintptr_t>(C.data[1]))); 418 } 419 420 CXCursor cxcursor::MakeCursorOverloadedDeclRef(OverloadExpr *E, 421 CXTranslationUnit TU) { 422 assert(E && TU && "Invalid arguments!"); 423 OverloadedDeclRefStorage Storage(E); 424 void *RawLoc = reinterpret_cast<void *>(E->getNameLoc().getRawEncoding()); 425 CXCursor C = { 426 CXCursor_OverloadedDeclRef, 427 { Storage.getOpaqueValue(), RawLoc, TU } 428 }; 429 return C; 430 } 431 432 CXCursor cxcursor::MakeCursorOverloadedDeclRef(Decl *D, 433 SourceLocation Loc, 434 CXTranslationUnit TU) { 435 assert(D && TU && "Invalid arguments!"); 436 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 437 OverloadedDeclRefStorage Storage(D); 438 CXCursor C = { 439 CXCursor_OverloadedDeclRef, 440 { Storage.getOpaqueValue(), RawLoc, TU } 441 }; 442 return C; 443 } 444 445 CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name, 446 SourceLocation Loc, 447 CXTranslationUnit TU) { 448 assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!"); 449 void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); 450 OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate()); 451 CXCursor C = { 452 CXCursor_OverloadedDeclRef, 453 { Storage.getOpaqueValue(), RawLoc, TU } 454 }; 455 return C; 456 } 457 458 std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation> 459 cxcursor::getCursorOverloadedDeclRef(CXCursor C) { 460 assert(C.kind == CXCursor_OverloadedDeclRef); 461 return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue(C.data[0]), 462 SourceLocation::getFromRawEncoding( 463 reinterpret_cast<uintptr_t>(C.data[1]))); 464 } 465 466 Decl *cxcursor::getCursorDecl(CXCursor Cursor) { 467 return (Decl *)Cursor.data[0]; 468 } 469 470 Expr *cxcursor::getCursorExpr(CXCursor Cursor) { 471 return dyn_cast_or_null<Expr>(getCursorStmt(Cursor)); 472 } 473 474 Stmt *cxcursor::getCursorStmt(CXCursor Cursor) { 475 if (Cursor.kind == CXCursor_ObjCSuperClassRef || 476 Cursor.kind == CXCursor_ObjCProtocolRef || 477 Cursor.kind == CXCursor_ObjCClassRef) 478 return 0; 479 480 return (Stmt *)Cursor.data[1]; 481 } 482 483 Attr *cxcursor::getCursorAttr(CXCursor Cursor) { 484 return (Attr *)Cursor.data[1]; 485 } 486 487 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { 488 return getCursorASTUnit(Cursor)->getASTContext(); 489 } 490 491 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { 492 return static_cast<ASTUnit *>(static_cast<CXTranslationUnit>(Cursor.data[2]) 493 ->TUData); 494 } 495 496 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { 497 return static_cast<CXTranslationUnit>(Cursor.data[2]); 498 } 499 500 bool cxcursor::operator==(CXCursor X, CXCursor Y) { 501 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && 502 X.data[2] == Y.data[2]; 503 } 504 505 // FIXME: Remove once we can model DeclGroups and their appropriate ranges 506 // properly in the ASTs. 507 bool cxcursor::isFirstInDeclGroup(CXCursor C) { 508 assert(clang_isDeclaration(C.kind)); 509 return ((uintptr_t) (C.data[1])) != 0; 510 } 511 512 //===----------------------------------------------------------------------===// 513 // CXCursorSet. 514 //===----------------------------------------------------------------------===// 515 516 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; 517 518 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { 519 return (CXCursorSet) setImpl; 520 } 521 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { 522 return (CXCursorSet_Impl*) set; 523 } 524 namespace llvm { 525 template<> struct DenseMapInfo<CXCursor> { 526 public: 527 static inline CXCursor getEmptyKey() { 528 return MakeCXCursorInvalid(CXCursor_InvalidFile); 529 } 530 static inline CXCursor getTombstoneKey() { 531 return MakeCXCursorInvalid(CXCursor_NoDeclFound); 532 } 533 static inline unsigned getHashValue(const CXCursor &cursor) { 534 return llvm::DenseMapInfo<std::pair<void*,void*> > 535 ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); 536 } 537 static inline bool isEqual(const CXCursor &x, const CXCursor &y) { 538 return x.kind == y.kind && 539 x.data[0] == y.data[0] && 540 x.data[1] == y.data[1]; 541 } 542 }; 543 } 544 545 extern "C" { 546 CXCursorSet clang_createCXCursorSet() { 547 return packCXCursorSet(new CXCursorSet_Impl()); 548 } 549 550 void clang_disposeCXCursorSet(CXCursorSet set) { 551 delete unpackCXCursorSet(set); 552 } 553 554 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { 555 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 556 if (!setImpl) 557 return 0; 558 return setImpl->find(cursor) == setImpl->end(); 559 } 560 561 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { 562 // Do not insert invalid cursors into the set. 563 if (cursor.kind >= CXCursor_FirstInvalid && 564 cursor.kind <= CXCursor_LastInvalid) 565 return 1; 566 567 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 568 if (!setImpl) 569 return 1; 570 unsigned &entry = (*setImpl)[cursor]; 571 unsigned flag = entry == 0 ? 1 : 0; 572 entry = 1; 573 return flag; 574 } 575 } // end: extern "C" 576