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