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 "CXType.h" 20 #include "clang-c/Index.h" 21 #include "clang/AST/Attr.h" 22 #include "clang/AST/Decl.h" 23 #include "clang/AST/DeclCXX.h" 24 #include "clang/AST/DeclObjC.h" 25 #include "clang/AST/DeclTemplate.h" 26 #include "clang/AST/Expr.h" 27 #include "clang/AST/ExprCXX.h" 28 #include "clang/AST/ExprObjC.h" 29 #include "clang/Frontend/ASTUnit.h" 30 #include "llvm/Support/ErrorHandling.h" 31 32 using namespace clang; 33 using namespace cxcursor; 34 35 CXCursor cxcursor::MakeCXCursorInvalid(CXCursorKind K, CXTranslationUnit TU) { 36 assert(K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid); 37 CXCursor C = { K, 0, { nullptr, nullptr, TU } }; 38 return C; 39 } 40 41 static CXCursorKind GetCursorKind(const Attr *A) { 42 assert(A && "Invalid arguments!"); 43 switch (A->getKind()) { 44 default: break; 45 case attr::IBAction: return CXCursor_IBActionAttr; 46 case attr::IBOutlet: return CXCursor_IBOutletAttr; 47 case attr::IBOutletCollection: return CXCursor_IBOutletCollectionAttr; 48 case attr::Final: return CXCursor_CXXFinalAttr; 49 case attr::Override: return CXCursor_CXXOverrideAttr; 50 case attr::Annotate: return CXCursor_AnnotateAttr; 51 case attr::AsmLabel: return CXCursor_AsmLabelAttr; 52 case attr::Packed: return CXCursor_PackedAttr; 53 case attr::Pure: return CXCursor_PureAttr; 54 case attr::Const: return CXCursor_ConstAttr; 55 case attr::NoDuplicate: return CXCursor_NoDuplicateAttr; 56 case attr::CUDAConstant: return CXCursor_CUDAConstantAttr; 57 case attr::CUDADevice: return CXCursor_CUDADeviceAttr; 58 case attr::CUDAGlobal: return CXCursor_CUDAGlobalAttr; 59 case attr::CUDAHost: return CXCursor_CUDAHostAttr; 60 case attr::CUDAShared: return CXCursor_CUDASharedAttr; 61 case attr::Visibility: return CXCursor_VisibilityAttr; 62 case attr::DLLExport: return CXCursor_DLLExport; 63 case attr::DLLImport: return CXCursor_DLLImport; 64 case attr::NSReturnsRetained: return CXCursor_NSReturnsRetained; 65 case attr::NSReturnsNotRetained: return CXCursor_NSReturnsNotRetained; 66 case attr::NSReturnsAutoreleased: return CXCursor_NSReturnsAutoreleased; 67 case attr::NSConsumesSelf: return CXCursor_NSConsumesSelf; 68 case attr::NSConsumed: return CXCursor_NSConsumed; 69 case attr::ObjCException: return CXCursor_ObjCException; 70 case attr::ObjCNSObject: return CXCursor_ObjCNSObject; 71 case attr::ObjCIndependentClass: return CXCursor_ObjCIndependentClass; 72 case attr::ObjCPreciseLifetime: return CXCursor_ObjCPreciseLifetime; 73 case attr::ObjCReturnsInnerPointer: return CXCursor_ObjCReturnsInnerPointer; 74 case attr::ObjCRequiresSuper: return CXCursor_ObjCRequiresSuper; 75 case attr::ObjCRootClass: return CXCursor_ObjCRootClass; 76 case attr::ObjCSubclassingRestricted: return CXCursor_ObjCSubclassingRestricted; 77 case attr::ObjCExplicitProtocolImpl: return CXCursor_ObjCExplicitProtocolImpl; 78 case attr::ObjCDesignatedInitializer: return CXCursor_ObjCDesignatedInitializer; 79 case attr::ObjCRuntimeVisible: return CXCursor_ObjCRuntimeVisible; 80 case attr::ObjCBoxable: return CXCursor_ObjCBoxable; 81 case attr::FlagEnum: return CXCursor_FlagEnum; 82 } 83 84 return CXCursor_UnexposedAttr; 85 } 86 87 CXCursor cxcursor::MakeCXCursor(const Attr *A, const Decl *Parent, 88 CXTranslationUnit TU) { 89 assert(A && Parent && TU && "Invalid arguments!"); 90 CXCursor C = { GetCursorKind(A), 0, { Parent, A, TU } }; 91 return C; 92 } 93 94 CXCursor cxcursor::MakeCXCursor(const Decl *D, CXTranslationUnit TU, 95 SourceRange RegionOfInterest, 96 bool FirstInDeclGroup) { 97 assert(D && TU && "Invalid arguments!"); 98 99 CXCursorKind K = getCursorKindForDecl(D); 100 101 if (K == CXCursor_ObjCClassMethodDecl || 102 K == CXCursor_ObjCInstanceMethodDecl) { 103 int SelectorIdIndex = -1; 104 // Check if cursor points to a selector id. 105 if (RegionOfInterest.isValid() && 106 RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) { 107 SmallVector<SourceLocation, 16> SelLocs; 108 cast<ObjCMethodDecl>(D)->getSelectorLocs(SelLocs); 109 SmallVectorImpl<SourceLocation>::iterator 110 I=std::find(SelLocs.begin(), SelLocs.end(),RegionOfInterest.getBegin()); 111 if (I != SelLocs.end()) 112 SelectorIdIndex = I - SelLocs.begin(); 113 } 114 CXCursor C = { K, SelectorIdIndex, 115 { D, (void*)(intptr_t) (FirstInDeclGroup ? 1 : 0), TU }}; 116 return C; 117 } 118 119 CXCursor C = { K, 0, { D, (void*)(intptr_t) (FirstInDeclGroup ? 1 : 0), TU }}; 120 return C; 121 } 122 123 CXCursor cxcursor::MakeCXCursor(const Stmt *S, const Decl *Parent, 124 CXTranslationUnit TU, 125 SourceRange RegionOfInterest) { 126 assert(S && TU && "Invalid arguments!"); 127 CXCursorKind K = CXCursor_NotImplemented; 128 129 switch (S->getStmtClass()) { 130 case Stmt::NoStmtClass: 131 break; 132 133 case Stmt::CaseStmtClass: 134 K = CXCursor_CaseStmt; 135 break; 136 137 case Stmt::DefaultStmtClass: 138 K = CXCursor_DefaultStmt; 139 break; 140 141 case Stmt::IfStmtClass: 142 K = CXCursor_IfStmt; 143 break; 144 145 case Stmt::SwitchStmtClass: 146 K = CXCursor_SwitchStmt; 147 break; 148 149 case Stmt::WhileStmtClass: 150 K = CXCursor_WhileStmt; 151 break; 152 153 case Stmt::DoStmtClass: 154 K = CXCursor_DoStmt; 155 break; 156 157 case Stmt::ForStmtClass: 158 K = CXCursor_ForStmt; 159 break; 160 161 case Stmt::GotoStmtClass: 162 K = CXCursor_GotoStmt; 163 break; 164 165 case Stmt::IndirectGotoStmtClass: 166 K = CXCursor_IndirectGotoStmt; 167 break; 168 169 case Stmt::ContinueStmtClass: 170 K = CXCursor_ContinueStmt; 171 break; 172 173 case Stmt::BreakStmtClass: 174 K = CXCursor_BreakStmt; 175 break; 176 177 case Stmt::ReturnStmtClass: 178 K = CXCursor_ReturnStmt; 179 break; 180 181 case Stmt::GCCAsmStmtClass: 182 K = CXCursor_GCCAsmStmt; 183 break; 184 185 case Stmt::MSAsmStmtClass: 186 K = CXCursor_MSAsmStmt; 187 break; 188 189 case Stmt::ObjCAtTryStmtClass: 190 K = CXCursor_ObjCAtTryStmt; 191 break; 192 193 case Stmt::ObjCAtCatchStmtClass: 194 K = CXCursor_ObjCAtCatchStmt; 195 break; 196 197 case Stmt::ObjCAtFinallyStmtClass: 198 K = CXCursor_ObjCAtFinallyStmt; 199 break; 200 201 case Stmt::ObjCAtThrowStmtClass: 202 K = CXCursor_ObjCAtThrowStmt; 203 break; 204 205 case Stmt::ObjCAtSynchronizedStmtClass: 206 K = CXCursor_ObjCAtSynchronizedStmt; 207 break; 208 209 case Stmt::ObjCAutoreleasePoolStmtClass: 210 K = CXCursor_ObjCAutoreleasePoolStmt; 211 break; 212 213 case Stmt::ObjCForCollectionStmtClass: 214 K = CXCursor_ObjCForCollectionStmt; 215 break; 216 217 case Stmt::CXXCatchStmtClass: 218 K = CXCursor_CXXCatchStmt; 219 break; 220 221 case Stmt::CXXTryStmtClass: 222 K = CXCursor_CXXTryStmt; 223 break; 224 225 case Stmt::CXXForRangeStmtClass: 226 K = CXCursor_CXXForRangeStmt; 227 break; 228 229 case Stmt::SEHTryStmtClass: 230 K = CXCursor_SEHTryStmt; 231 break; 232 233 case Stmt::SEHExceptStmtClass: 234 K = CXCursor_SEHExceptStmt; 235 break; 236 237 case Stmt::SEHFinallyStmtClass: 238 K = CXCursor_SEHFinallyStmt; 239 break; 240 241 case Stmt::SEHLeaveStmtClass: 242 K = CXCursor_SEHLeaveStmt; 243 break; 244 245 case Stmt::ArrayTypeTraitExprClass: 246 case Stmt::AsTypeExprClass: 247 case Stmt::AtomicExprClass: 248 case Stmt::BinaryConditionalOperatorClass: 249 case Stmt::TypeTraitExprClass: 250 case Stmt::CoroutineBodyStmtClass: 251 case Stmt::CoawaitExprClass: 252 case Stmt::DependentCoawaitExprClass: 253 case Stmt::CoreturnStmtClass: 254 case Stmt::CoyieldExprClass: 255 case Stmt::CXXBindTemporaryExprClass: 256 case Stmt::CXXDefaultArgExprClass: 257 case Stmt::CXXDefaultInitExprClass: 258 case Stmt::CXXFoldExprClass: 259 case Stmt::CXXStdInitializerListExprClass: 260 case Stmt::CXXScalarValueInitExprClass: 261 case Stmt::CXXUuidofExprClass: 262 case Stmt::ChooseExprClass: 263 case Stmt::DesignatedInitExprClass: 264 case Stmt::DesignatedInitUpdateExprClass: 265 case Stmt::ArrayInitLoopExprClass: 266 case Stmt::ArrayInitIndexExprClass: 267 case Stmt::ExprWithCleanupsClass: 268 case Stmt::ExpressionTraitExprClass: 269 case Stmt::ExtVectorElementExprClass: 270 case Stmt::ImplicitCastExprClass: 271 case Stmt::ImplicitValueInitExprClass: 272 case Stmt::NoInitExprClass: 273 case Stmt::MaterializeTemporaryExprClass: 274 case Stmt::ObjCIndirectCopyRestoreExprClass: 275 case Stmt::OffsetOfExprClass: 276 case Stmt::ParenListExprClass: 277 case Stmt::PredefinedExprClass: 278 case Stmt::ShuffleVectorExprClass: 279 case Stmt::ConvertVectorExprClass: 280 case Stmt::VAArgExprClass: 281 case Stmt::ObjCArrayLiteralClass: 282 case Stmt::ObjCDictionaryLiteralClass: 283 case Stmt::ObjCBoxedExprClass: 284 case Stmt::ObjCSubscriptRefExprClass: 285 K = CXCursor_UnexposedExpr; 286 break; 287 288 case Stmt::OpaqueValueExprClass: 289 if (Expr *Src = cast<OpaqueValueExpr>(S)->getSourceExpr()) 290 return MakeCXCursor(Src, Parent, TU, RegionOfInterest); 291 K = CXCursor_UnexposedExpr; 292 break; 293 294 case Stmt::PseudoObjectExprClass: 295 return MakeCXCursor(cast<PseudoObjectExpr>(S)->getSyntacticForm(), 296 Parent, TU, RegionOfInterest); 297 298 case Stmt::CompoundStmtClass: 299 K = CXCursor_CompoundStmt; 300 break; 301 302 case Stmt::NullStmtClass: 303 K = CXCursor_NullStmt; 304 break; 305 306 case Stmt::LabelStmtClass: 307 K = CXCursor_LabelStmt; 308 break; 309 310 case Stmt::AttributedStmtClass: 311 K = CXCursor_UnexposedStmt; 312 break; 313 314 case Stmt::DeclStmtClass: 315 K = CXCursor_DeclStmt; 316 break; 317 318 case Stmt::CapturedStmtClass: 319 K = CXCursor_UnexposedStmt; 320 break; 321 322 case Stmt::IntegerLiteralClass: 323 K = CXCursor_IntegerLiteral; 324 break; 325 326 case Stmt::FixedPointLiteralClass: 327 K = CXCursor_FixedPointLiteral; 328 break; 329 330 case Stmt::FloatingLiteralClass: 331 K = CXCursor_FloatingLiteral; 332 break; 333 334 case Stmt::ImaginaryLiteralClass: 335 K = CXCursor_ImaginaryLiteral; 336 break; 337 338 case Stmt::StringLiteralClass: 339 K = CXCursor_StringLiteral; 340 break; 341 342 case Stmt::CharacterLiteralClass: 343 K = CXCursor_CharacterLiteral; 344 break; 345 346 case Stmt::ConstantExprClass: 347 return MakeCXCursor(cast<ConstantExpr>(S)->getSubExpr(), 348 Parent, TU, RegionOfInterest); 349 350 case Stmt::ParenExprClass: 351 K = CXCursor_ParenExpr; 352 break; 353 354 case Stmt::UnaryOperatorClass: 355 K = CXCursor_UnaryOperator; 356 break; 357 358 case Stmt::UnaryExprOrTypeTraitExprClass: 359 case Stmt::CXXNoexceptExprClass: 360 K = CXCursor_UnaryExpr; 361 break; 362 363 case Stmt::MSPropertySubscriptExprClass: 364 case Stmt::ArraySubscriptExprClass: 365 K = CXCursor_ArraySubscriptExpr; 366 break; 367 368 case Stmt::OMPArraySectionExprClass: 369 K = CXCursor_OMPArraySectionExpr; 370 break; 371 372 case Stmt::BinaryOperatorClass: 373 K = CXCursor_BinaryOperator; 374 break; 375 376 case Stmt::CompoundAssignOperatorClass: 377 K = CXCursor_CompoundAssignOperator; 378 break; 379 380 case Stmt::ConditionalOperatorClass: 381 K = CXCursor_ConditionalOperator; 382 break; 383 384 case Stmt::CStyleCastExprClass: 385 K = CXCursor_CStyleCastExpr; 386 break; 387 388 case Stmt::CompoundLiteralExprClass: 389 K = CXCursor_CompoundLiteralExpr; 390 break; 391 392 case Stmt::InitListExprClass: 393 K = CXCursor_InitListExpr; 394 break; 395 396 case Stmt::AddrLabelExprClass: 397 K = CXCursor_AddrLabelExpr; 398 break; 399 400 case Stmt::StmtExprClass: 401 K = CXCursor_StmtExpr; 402 break; 403 404 case Stmt::GenericSelectionExprClass: 405 K = CXCursor_GenericSelectionExpr; 406 break; 407 408 case Stmt::GNUNullExprClass: 409 K = CXCursor_GNUNullExpr; 410 break; 411 412 case Stmt::CXXStaticCastExprClass: 413 K = CXCursor_CXXStaticCastExpr; 414 break; 415 416 case Stmt::CXXDynamicCastExprClass: 417 K = CXCursor_CXXDynamicCastExpr; 418 break; 419 420 case Stmt::CXXReinterpretCastExprClass: 421 K = CXCursor_CXXReinterpretCastExpr; 422 break; 423 424 case Stmt::CXXConstCastExprClass: 425 K = CXCursor_CXXConstCastExpr; 426 break; 427 428 case Stmt::CXXFunctionalCastExprClass: 429 K = CXCursor_CXXFunctionalCastExpr; 430 break; 431 432 case Stmt::CXXTypeidExprClass: 433 K = CXCursor_CXXTypeidExpr; 434 break; 435 436 case Stmt::CXXBoolLiteralExprClass: 437 K = CXCursor_CXXBoolLiteralExpr; 438 break; 439 440 case Stmt::CXXNullPtrLiteralExprClass: 441 K = CXCursor_CXXNullPtrLiteralExpr; 442 break; 443 444 case Stmt::CXXThisExprClass: 445 K = CXCursor_CXXThisExpr; 446 break; 447 448 case Stmt::CXXThrowExprClass: 449 K = CXCursor_CXXThrowExpr; 450 break; 451 452 case Stmt::CXXNewExprClass: 453 K = CXCursor_CXXNewExpr; 454 break; 455 456 case Stmt::CXXDeleteExprClass: 457 K = CXCursor_CXXDeleteExpr; 458 break; 459 460 case Stmt::ObjCStringLiteralClass: 461 K = CXCursor_ObjCStringLiteral; 462 break; 463 464 case Stmt::ObjCEncodeExprClass: 465 K = CXCursor_ObjCEncodeExpr; 466 break; 467 468 case Stmt::ObjCSelectorExprClass: 469 K = CXCursor_ObjCSelectorExpr; 470 break; 471 472 case Stmt::ObjCProtocolExprClass: 473 K = CXCursor_ObjCProtocolExpr; 474 break; 475 476 case Stmt::ObjCBoolLiteralExprClass: 477 K = CXCursor_ObjCBoolLiteralExpr; 478 break; 479 480 case Stmt::ObjCAvailabilityCheckExprClass: 481 K = CXCursor_ObjCAvailabilityCheckExpr; 482 break; 483 484 case Stmt::ObjCBridgedCastExprClass: 485 K = CXCursor_ObjCBridgedCastExpr; 486 break; 487 488 case Stmt::BlockExprClass: 489 K = CXCursor_BlockExpr; 490 break; 491 492 case Stmt::PackExpansionExprClass: 493 K = CXCursor_PackExpansionExpr; 494 break; 495 496 case Stmt::SizeOfPackExprClass: 497 K = CXCursor_SizeOfPackExpr; 498 break; 499 500 case Stmt::DeclRefExprClass: 501 if (const ImplicitParamDecl *IPD = 502 dyn_cast_or_null<ImplicitParamDecl>(cast<DeclRefExpr>(S)->getDecl())) { 503 if (const ObjCMethodDecl *MD = 504 dyn_cast<ObjCMethodDecl>(IPD->getDeclContext())) { 505 if (MD->getSelfDecl() == IPD) { 506 K = CXCursor_ObjCSelfExpr; 507 break; 508 } 509 } 510 } 511 512 K = CXCursor_DeclRefExpr; 513 break; 514 515 case Stmt::DependentScopeDeclRefExprClass: 516 case Stmt::SubstNonTypeTemplateParmExprClass: 517 case Stmt::SubstNonTypeTemplateParmPackExprClass: 518 case Stmt::FunctionParmPackExprClass: 519 case Stmt::UnresolvedLookupExprClass: 520 case Stmt::TypoExprClass: // A typo could actually be a DeclRef or a MemberRef 521 K = CXCursor_DeclRefExpr; 522 break; 523 524 case Stmt::CXXDependentScopeMemberExprClass: 525 case Stmt::CXXPseudoDestructorExprClass: 526 case Stmt::MemberExprClass: 527 case Stmt::MSPropertyRefExprClass: 528 case Stmt::ObjCIsaExprClass: 529 case Stmt::ObjCIvarRefExprClass: 530 case Stmt::ObjCPropertyRefExprClass: 531 case Stmt::UnresolvedMemberExprClass: 532 K = CXCursor_MemberRefExpr; 533 break; 534 535 case Stmt::CallExprClass: 536 case Stmt::CXXOperatorCallExprClass: 537 case Stmt::CXXMemberCallExprClass: 538 case Stmt::CUDAKernelCallExprClass: 539 case Stmt::CXXConstructExprClass: 540 case Stmt::CXXInheritedCtorInitExprClass: 541 case Stmt::CXXTemporaryObjectExprClass: 542 case Stmt::CXXUnresolvedConstructExprClass: 543 case Stmt::UserDefinedLiteralClass: 544 K = CXCursor_CallExpr; 545 break; 546 547 case Stmt::LambdaExprClass: 548 K = CXCursor_LambdaExpr; 549 break; 550 551 case Stmt::ObjCMessageExprClass: { 552 K = CXCursor_ObjCMessageExpr; 553 int SelectorIdIndex = -1; 554 // Check if cursor points to a selector id. 555 if (RegionOfInterest.isValid() && 556 RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) { 557 SmallVector<SourceLocation, 16> SelLocs; 558 cast<ObjCMessageExpr>(S)->getSelectorLocs(SelLocs); 559 SmallVectorImpl<SourceLocation>::iterator 560 I=std::find(SelLocs.begin(), SelLocs.end(),RegionOfInterest.getBegin()); 561 if (I != SelLocs.end()) 562 SelectorIdIndex = I - SelLocs.begin(); 563 } 564 CXCursor C = { K, 0, { Parent, S, TU } }; 565 return getSelectorIdentifierCursor(SelectorIdIndex, C); 566 } 567 568 case Stmt::MSDependentExistsStmtClass: 569 K = CXCursor_UnexposedStmt; 570 break; 571 case Stmt::OMPParallelDirectiveClass: 572 K = CXCursor_OMPParallelDirective; 573 break; 574 case Stmt::OMPSimdDirectiveClass: 575 K = CXCursor_OMPSimdDirective; 576 break; 577 case Stmt::OMPForDirectiveClass: 578 K = CXCursor_OMPForDirective; 579 break; 580 case Stmt::OMPForSimdDirectiveClass: 581 K = CXCursor_OMPForSimdDirective; 582 break; 583 case Stmt::OMPSectionsDirectiveClass: 584 K = CXCursor_OMPSectionsDirective; 585 break; 586 case Stmt::OMPSectionDirectiveClass: 587 K = CXCursor_OMPSectionDirective; 588 break; 589 case Stmt::OMPSingleDirectiveClass: 590 K = CXCursor_OMPSingleDirective; 591 break; 592 case Stmt::OMPMasterDirectiveClass: 593 K = CXCursor_OMPMasterDirective; 594 break; 595 case Stmt::OMPCriticalDirectiveClass: 596 K = CXCursor_OMPCriticalDirective; 597 break; 598 case Stmt::OMPParallelForDirectiveClass: 599 K = CXCursor_OMPParallelForDirective; 600 break; 601 case Stmt::OMPParallelForSimdDirectiveClass: 602 K = CXCursor_OMPParallelForSimdDirective; 603 break; 604 case Stmt::OMPParallelSectionsDirectiveClass: 605 K = CXCursor_OMPParallelSectionsDirective; 606 break; 607 case Stmt::OMPTaskDirectiveClass: 608 K = CXCursor_OMPTaskDirective; 609 break; 610 case Stmt::OMPTaskyieldDirectiveClass: 611 K = CXCursor_OMPTaskyieldDirective; 612 break; 613 case Stmt::OMPBarrierDirectiveClass: 614 K = CXCursor_OMPBarrierDirective; 615 break; 616 case Stmt::OMPTaskwaitDirectiveClass: 617 K = CXCursor_OMPTaskwaitDirective; 618 break; 619 case Stmt::OMPTaskgroupDirectiveClass: 620 K = CXCursor_OMPTaskgroupDirective; 621 break; 622 case Stmt::OMPFlushDirectiveClass: 623 K = CXCursor_OMPFlushDirective; 624 break; 625 case Stmt::OMPOrderedDirectiveClass: 626 K = CXCursor_OMPOrderedDirective; 627 break; 628 case Stmt::OMPAtomicDirectiveClass: 629 K = CXCursor_OMPAtomicDirective; 630 break; 631 case Stmt::OMPTargetDirectiveClass: 632 K = CXCursor_OMPTargetDirective; 633 break; 634 case Stmt::OMPTargetDataDirectiveClass: 635 K = CXCursor_OMPTargetDataDirective; 636 break; 637 case Stmt::OMPTargetEnterDataDirectiveClass: 638 K = CXCursor_OMPTargetEnterDataDirective; 639 break; 640 case Stmt::OMPTargetExitDataDirectiveClass: 641 K = CXCursor_OMPTargetExitDataDirective; 642 break; 643 case Stmt::OMPTargetParallelDirectiveClass: 644 K = CXCursor_OMPTargetParallelDirective; 645 break; 646 case Stmt::OMPTargetParallelForDirectiveClass: 647 K = CXCursor_OMPTargetParallelForDirective; 648 break; 649 case Stmt::OMPTargetUpdateDirectiveClass: 650 K = CXCursor_OMPTargetUpdateDirective; 651 break; 652 case Stmt::OMPTeamsDirectiveClass: 653 K = CXCursor_OMPTeamsDirective; 654 break; 655 case Stmt::OMPCancellationPointDirectiveClass: 656 K = CXCursor_OMPCancellationPointDirective; 657 break; 658 case Stmt::OMPCancelDirectiveClass: 659 K = CXCursor_OMPCancelDirective; 660 break; 661 case Stmt::OMPTaskLoopDirectiveClass: 662 K = CXCursor_OMPTaskLoopDirective; 663 break; 664 case Stmt::OMPTaskLoopSimdDirectiveClass: 665 K = CXCursor_OMPTaskLoopSimdDirective; 666 break; 667 case Stmt::OMPDistributeDirectiveClass: 668 K = CXCursor_OMPDistributeDirective; 669 break; 670 case Stmt::OMPDistributeParallelForDirectiveClass: 671 K = CXCursor_OMPDistributeParallelForDirective; 672 break; 673 case Stmt::OMPDistributeParallelForSimdDirectiveClass: 674 K = CXCursor_OMPDistributeParallelForSimdDirective; 675 break; 676 case Stmt::OMPDistributeSimdDirectiveClass: 677 K = CXCursor_OMPDistributeSimdDirective; 678 break; 679 case Stmt::OMPTargetParallelForSimdDirectiveClass: 680 K = CXCursor_OMPTargetParallelForSimdDirective; 681 break; 682 case Stmt::OMPTargetSimdDirectiveClass: 683 K = CXCursor_OMPTargetSimdDirective; 684 break; 685 case Stmt::OMPTeamsDistributeDirectiveClass: 686 K = CXCursor_OMPTeamsDistributeDirective; 687 break; 688 case Stmt::OMPTeamsDistributeSimdDirectiveClass: 689 K = CXCursor_OMPTeamsDistributeSimdDirective; 690 break; 691 case Stmt::OMPTeamsDistributeParallelForSimdDirectiveClass: 692 K = CXCursor_OMPTeamsDistributeParallelForSimdDirective; 693 break; 694 case Stmt::OMPTeamsDistributeParallelForDirectiveClass: 695 K = CXCursor_OMPTeamsDistributeParallelForDirective; 696 break; 697 case Stmt::OMPTargetTeamsDirectiveClass: 698 K = CXCursor_OMPTargetTeamsDirective; 699 break; 700 case Stmt::OMPTargetTeamsDistributeDirectiveClass: 701 K = CXCursor_OMPTargetTeamsDistributeDirective; 702 break; 703 case Stmt::OMPTargetTeamsDistributeParallelForDirectiveClass: 704 K = CXCursor_OMPTargetTeamsDistributeParallelForDirective; 705 break; 706 case Stmt::OMPTargetTeamsDistributeParallelForSimdDirectiveClass: 707 K = CXCursor_OMPTargetTeamsDistributeParallelForSimdDirective; 708 break; 709 case Stmt::OMPTargetTeamsDistributeSimdDirectiveClass: 710 K = CXCursor_OMPTargetTeamsDistributeSimdDirective; 711 break; 712 } 713 714 CXCursor C = { K, 0, { Parent, S, TU } }; 715 return C; 716 } 717 718 CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super, 719 SourceLocation Loc, 720 CXTranslationUnit TU) { 721 assert(Super && TU && "Invalid arguments!"); 722 void *RawLoc = Loc.getPtrEncoding(); 723 CXCursor C = { CXCursor_ObjCSuperClassRef, 0, { Super, RawLoc, TU } }; 724 return C; 725 } 726 727 std::pair<const ObjCInterfaceDecl *, SourceLocation> 728 cxcursor::getCursorObjCSuperClassRef(CXCursor C) { 729 assert(C.kind == CXCursor_ObjCSuperClassRef); 730 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 731 SourceLocation::getFromPtrEncoding(C.data[1])); 732 } 733 734 CXCursor cxcursor::MakeCursorObjCProtocolRef(const ObjCProtocolDecl *Proto, 735 SourceLocation Loc, 736 CXTranslationUnit TU) { 737 assert(Proto && TU && "Invalid arguments!"); 738 void *RawLoc = Loc.getPtrEncoding(); 739 CXCursor C = { CXCursor_ObjCProtocolRef, 0, { Proto, RawLoc, TU } }; 740 return C; 741 } 742 743 std::pair<const ObjCProtocolDecl *, SourceLocation> 744 cxcursor::getCursorObjCProtocolRef(CXCursor C) { 745 assert(C.kind == CXCursor_ObjCProtocolRef); 746 return std::make_pair(static_cast<const ObjCProtocolDecl *>(C.data[0]), 747 SourceLocation::getFromPtrEncoding(C.data[1])); 748 } 749 750 CXCursor cxcursor::MakeCursorObjCClassRef(const ObjCInterfaceDecl *Class, 751 SourceLocation Loc, 752 CXTranslationUnit TU) { 753 // 'Class' can be null for invalid code. 754 if (!Class) 755 return MakeCXCursorInvalid(CXCursor_InvalidCode); 756 assert(TU && "Invalid arguments!"); 757 void *RawLoc = Loc.getPtrEncoding(); 758 CXCursor C = { CXCursor_ObjCClassRef, 0, { Class, RawLoc, TU } }; 759 return C; 760 } 761 762 std::pair<const ObjCInterfaceDecl *, SourceLocation> 763 cxcursor::getCursorObjCClassRef(CXCursor C) { 764 assert(C.kind == CXCursor_ObjCClassRef); 765 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 766 SourceLocation::getFromPtrEncoding(C.data[1])); 767 } 768 769 CXCursor cxcursor::MakeCursorTypeRef(const TypeDecl *Type, SourceLocation Loc, 770 CXTranslationUnit TU) { 771 assert(Type && TU && "Invalid arguments!"); 772 void *RawLoc = Loc.getPtrEncoding(); 773 CXCursor C = { CXCursor_TypeRef, 0, { Type, RawLoc, TU } }; 774 return C; 775 } 776 777 std::pair<const TypeDecl *, SourceLocation> 778 cxcursor::getCursorTypeRef(CXCursor C) { 779 assert(C.kind == CXCursor_TypeRef); 780 return std::make_pair(static_cast<const TypeDecl *>(C.data[0]), 781 SourceLocation::getFromPtrEncoding(C.data[1])); 782 } 783 784 CXCursor cxcursor::MakeCursorTemplateRef(const TemplateDecl *Template, 785 SourceLocation Loc, 786 CXTranslationUnit TU) { 787 assert(Template && TU && "Invalid arguments!"); 788 void *RawLoc = Loc.getPtrEncoding(); 789 CXCursor C = { CXCursor_TemplateRef, 0, { Template, RawLoc, TU } }; 790 return C; 791 } 792 793 std::pair<const TemplateDecl *, SourceLocation> 794 cxcursor::getCursorTemplateRef(CXCursor C) { 795 assert(C.kind == CXCursor_TemplateRef); 796 return std::make_pair(static_cast<const TemplateDecl *>(C.data[0]), 797 SourceLocation::getFromPtrEncoding(C.data[1])); 798 } 799 800 CXCursor cxcursor::MakeCursorNamespaceRef(const NamedDecl *NS, 801 SourceLocation Loc, 802 CXTranslationUnit TU) { 803 804 assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU && 805 "Invalid arguments!"); 806 void *RawLoc = Loc.getPtrEncoding(); 807 CXCursor C = { CXCursor_NamespaceRef, 0, { NS, RawLoc, TU } }; 808 return C; 809 } 810 811 std::pair<const NamedDecl *, SourceLocation> 812 cxcursor::getCursorNamespaceRef(CXCursor C) { 813 assert(C.kind == CXCursor_NamespaceRef); 814 return std::make_pair(static_cast<const NamedDecl *>(C.data[0]), 815 SourceLocation::getFromPtrEncoding(C.data[1])); 816 } 817 818 CXCursor cxcursor::MakeCursorVariableRef(const VarDecl *Var, SourceLocation Loc, 819 CXTranslationUnit TU) { 820 821 assert(Var && TU && "Invalid arguments!"); 822 void *RawLoc = Loc.getPtrEncoding(); 823 CXCursor C = { CXCursor_VariableRef, 0, { Var, RawLoc, TU } }; 824 return C; 825 } 826 827 std::pair<const VarDecl *, SourceLocation> 828 cxcursor::getCursorVariableRef(CXCursor C) { 829 assert(C.kind == CXCursor_VariableRef); 830 return std::make_pair(static_cast<const VarDecl *>(C.data[0]), 831 SourceLocation::getFromPtrEncoding(C.data[1])); 832 } 833 834 CXCursor cxcursor::MakeCursorMemberRef(const FieldDecl *Field, SourceLocation Loc, 835 CXTranslationUnit TU) { 836 837 assert(Field && TU && "Invalid arguments!"); 838 void *RawLoc = Loc.getPtrEncoding(); 839 CXCursor C = { CXCursor_MemberRef, 0, { Field, RawLoc, TU } }; 840 return C; 841 } 842 843 std::pair<const FieldDecl *, SourceLocation> 844 cxcursor::getCursorMemberRef(CXCursor C) { 845 assert(C.kind == CXCursor_MemberRef); 846 return std::make_pair(static_cast<const FieldDecl *>(C.data[0]), 847 SourceLocation::getFromPtrEncoding(C.data[1])); 848 } 849 850 CXCursor cxcursor::MakeCursorCXXBaseSpecifier(const CXXBaseSpecifier *B, 851 CXTranslationUnit TU){ 852 CXCursor C = { CXCursor_CXXBaseSpecifier, 0, { B, nullptr, TU } }; 853 return C; 854 } 855 856 const CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) { 857 assert(C.kind == CXCursor_CXXBaseSpecifier); 858 return static_cast<const CXXBaseSpecifier*>(C.data[0]); 859 } 860 861 CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range, 862 CXTranslationUnit TU) { 863 CXCursor C = { CXCursor_PreprocessingDirective, 0, 864 { Range.getBegin().getPtrEncoding(), 865 Range.getEnd().getPtrEncoding(), 866 TU } 867 }; 868 return C; 869 } 870 871 SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) { 872 assert(C.kind == CXCursor_PreprocessingDirective); 873 SourceRange Range(SourceLocation::getFromPtrEncoding(C.data[0]), 874 SourceLocation::getFromPtrEncoding(C.data[1])); 875 ASTUnit *TU = getCursorASTUnit(C); 876 return TU->mapRangeFromPreamble(Range); 877 } 878 879 CXCursor cxcursor::MakeMacroDefinitionCursor(const MacroDefinitionRecord *MI, 880 CXTranslationUnit TU) { 881 CXCursor C = {CXCursor_MacroDefinition, 0, {MI, nullptr, TU}}; 882 return C; 883 } 884 885 const MacroDefinitionRecord *cxcursor::getCursorMacroDefinition(CXCursor C) { 886 assert(C.kind == CXCursor_MacroDefinition); 887 return static_cast<const MacroDefinitionRecord *>(C.data[0]); 888 } 889 890 CXCursor cxcursor::MakeMacroExpansionCursor(MacroExpansion *MI, 891 CXTranslationUnit TU) { 892 CXCursor C = { CXCursor_MacroExpansion, 0, { MI, nullptr, TU } }; 893 return C; 894 } 895 896 CXCursor cxcursor::MakeMacroExpansionCursor(MacroDefinitionRecord *MI, 897 SourceLocation Loc, 898 CXTranslationUnit TU) { 899 assert(Loc.isValid()); 900 CXCursor C = {CXCursor_MacroExpansion, 0, {MI, Loc.getPtrEncoding(), TU}}; 901 return C; 902 } 903 904 const IdentifierInfo *cxcursor::MacroExpansionCursor::getName() const { 905 if (isPseudo()) 906 return getAsMacroDefinition()->getName(); 907 return getAsMacroExpansion()->getName(); 908 } 909 const MacroDefinitionRecord * 910 cxcursor::MacroExpansionCursor::getDefinition() const { 911 if (isPseudo()) 912 return getAsMacroDefinition(); 913 return getAsMacroExpansion()->getDefinition(); 914 } 915 SourceRange cxcursor::MacroExpansionCursor::getSourceRange() const { 916 if (isPseudo()) 917 return getPseudoLoc(); 918 return getAsMacroExpansion()->getSourceRange(); 919 } 920 921 CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID, 922 CXTranslationUnit TU) { 923 CXCursor C = { CXCursor_InclusionDirective, 0, { ID, nullptr, TU } }; 924 return C; 925 } 926 927 const InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) { 928 assert(C.kind == CXCursor_InclusionDirective); 929 return static_cast<const InclusionDirective *>(C.data[0]); 930 } 931 932 CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc, 933 CXTranslationUnit TU) { 934 935 assert(Label && TU && "Invalid arguments!"); 936 void *RawLoc = Loc.getPtrEncoding(); 937 CXCursor C = { CXCursor_LabelRef, 0, { Label, RawLoc, TU } }; 938 return C; 939 } 940 941 std::pair<const LabelStmt *, SourceLocation> 942 cxcursor::getCursorLabelRef(CXCursor C) { 943 assert(C.kind == CXCursor_LabelRef); 944 return std::make_pair(static_cast<const LabelStmt *>(C.data[0]), 945 SourceLocation::getFromPtrEncoding(C.data[1])); 946 } 947 948 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const OverloadExpr *E, 949 CXTranslationUnit TU) { 950 assert(E && TU && "Invalid arguments!"); 951 OverloadedDeclRefStorage Storage(E); 952 void *RawLoc = E->getNameLoc().getPtrEncoding(); 953 CXCursor C = { 954 CXCursor_OverloadedDeclRef, 0, 955 { Storage.getOpaqueValue(), RawLoc, TU } 956 }; 957 return C; 958 } 959 960 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const Decl *D, 961 SourceLocation Loc, 962 CXTranslationUnit TU) { 963 assert(D && TU && "Invalid arguments!"); 964 void *RawLoc = Loc.getPtrEncoding(); 965 OverloadedDeclRefStorage Storage(D); 966 CXCursor C = { 967 CXCursor_OverloadedDeclRef, 0, 968 { Storage.getOpaqueValue(), RawLoc, TU } 969 }; 970 return C; 971 } 972 973 CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name, 974 SourceLocation Loc, 975 CXTranslationUnit TU) { 976 assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!"); 977 void *RawLoc = Loc.getPtrEncoding(); 978 OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate()); 979 CXCursor C = { 980 CXCursor_OverloadedDeclRef, 0, 981 { Storage.getOpaqueValue(), RawLoc, TU } 982 }; 983 return C; 984 } 985 986 std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation> 987 cxcursor::getCursorOverloadedDeclRef(CXCursor C) { 988 assert(C.kind == CXCursor_OverloadedDeclRef); 989 return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue( 990 const_cast<void *>(C.data[0])), 991 SourceLocation::getFromPtrEncoding(C.data[1])); 992 } 993 994 const Decl *cxcursor::getCursorDecl(CXCursor Cursor) { 995 return static_cast<const Decl *>(Cursor.data[0]); 996 } 997 998 const Expr *cxcursor::getCursorExpr(CXCursor Cursor) { 999 return dyn_cast_or_null<Expr>(getCursorStmt(Cursor)); 1000 } 1001 1002 const Stmt *cxcursor::getCursorStmt(CXCursor Cursor) { 1003 if (Cursor.kind == CXCursor_ObjCSuperClassRef || 1004 Cursor.kind == CXCursor_ObjCProtocolRef || 1005 Cursor.kind == CXCursor_ObjCClassRef) 1006 return nullptr; 1007 1008 return static_cast<const Stmt *>(Cursor.data[1]); 1009 } 1010 1011 const Attr *cxcursor::getCursorAttr(CXCursor Cursor) { 1012 return static_cast<const Attr *>(Cursor.data[1]); 1013 } 1014 1015 const Decl *cxcursor::getCursorParentDecl(CXCursor Cursor) { 1016 return static_cast<const Decl *>(Cursor.data[0]); 1017 } 1018 1019 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { 1020 return getCursorASTUnit(Cursor)->getASTContext(); 1021 } 1022 1023 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { 1024 CXTranslationUnit TU = getCursorTU(Cursor); 1025 if (!TU) 1026 return nullptr; 1027 return cxtu::getASTUnit(TU); 1028 } 1029 1030 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { 1031 return static_cast<CXTranslationUnit>(const_cast<void*>(Cursor.data[2])); 1032 } 1033 1034 void cxcursor::getOverriddenCursors(CXCursor cursor, 1035 SmallVectorImpl<CXCursor> &overridden) { 1036 assert(clang_isDeclaration(cursor.kind)); 1037 const NamedDecl *D = dyn_cast_or_null<NamedDecl>(getCursorDecl(cursor)); 1038 if (!D) 1039 return; 1040 1041 CXTranslationUnit TU = getCursorTU(cursor); 1042 SmallVector<const NamedDecl *, 8> OverDecls; 1043 D->getASTContext().getOverriddenMethods(D, OverDecls); 1044 1045 for (SmallVectorImpl<const NamedDecl *>::iterator 1046 I = OverDecls.begin(), E = OverDecls.end(); I != E; ++I) { 1047 overridden.push_back(MakeCXCursor(*I, TU)); 1048 } 1049 } 1050 1051 std::pair<int, SourceLocation> 1052 cxcursor::getSelectorIdentifierIndexAndLoc(CXCursor cursor) { 1053 if (cursor.kind == CXCursor_ObjCMessageExpr) { 1054 if (cursor.xdata != -1) 1055 return std::make_pair(cursor.xdata, 1056 cast<ObjCMessageExpr>(getCursorExpr(cursor)) 1057 ->getSelectorLoc(cursor.xdata)); 1058 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 1059 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 1060 if (cursor.xdata != -1) 1061 return std::make_pair(cursor.xdata, 1062 cast<ObjCMethodDecl>(getCursorDecl(cursor)) 1063 ->getSelectorLoc(cursor.xdata)); 1064 } 1065 1066 return std::make_pair(-1, SourceLocation()); 1067 } 1068 1069 CXCursor cxcursor::getSelectorIdentifierCursor(int SelIdx, CXCursor cursor) { 1070 CXCursor newCursor = cursor; 1071 1072 if (cursor.kind == CXCursor_ObjCMessageExpr) { 1073 if (SelIdx == -1 || 1074 unsigned(SelIdx) >= cast<ObjCMessageExpr>(getCursorExpr(cursor)) 1075 ->getNumSelectorLocs()) 1076 newCursor.xdata = -1; 1077 else 1078 newCursor.xdata = SelIdx; 1079 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 1080 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 1081 if (SelIdx == -1 || 1082 unsigned(SelIdx) >= cast<ObjCMethodDecl>(getCursorDecl(cursor)) 1083 ->getNumSelectorLocs()) 1084 newCursor.xdata = -1; 1085 else 1086 newCursor.xdata = SelIdx; 1087 } 1088 1089 return newCursor; 1090 } 1091 1092 CXCursor cxcursor::getTypeRefCursor(CXCursor cursor) { 1093 if (cursor.kind != CXCursor_CallExpr) 1094 return cursor; 1095 1096 if (cursor.xdata == 0) 1097 return cursor; 1098 1099 const Expr *E = getCursorExpr(cursor); 1100 TypeSourceInfo *Type = nullptr; 1101 if (const CXXUnresolvedConstructExpr * 1102 UnCtor = dyn_cast<CXXUnresolvedConstructExpr>(E)) { 1103 Type = UnCtor->getTypeSourceInfo(); 1104 } else if (const CXXTemporaryObjectExpr *Tmp = 1105 dyn_cast<CXXTemporaryObjectExpr>(E)){ 1106 Type = Tmp->getTypeSourceInfo(); 1107 } 1108 1109 if (!Type) 1110 return cursor; 1111 1112 CXTranslationUnit TU = getCursorTU(cursor); 1113 QualType Ty = Type->getType(); 1114 TypeLoc TL = Type->getTypeLoc(); 1115 SourceLocation Loc = TL.getBeginLoc(); 1116 1117 if (const ElaboratedType *ElabT = Ty->getAs<ElaboratedType>()) { 1118 Ty = ElabT->getNamedType(); 1119 ElaboratedTypeLoc ElabTL = TL.castAs<ElaboratedTypeLoc>(); 1120 Loc = ElabTL.getNamedTypeLoc().getBeginLoc(); 1121 } 1122 1123 if (const TypedefType *Typedef = Ty->getAs<TypedefType>()) 1124 return MakeCursorTypeRef(Typedef->getDecl(), Loc, TU); 1125 if (const TagType *Tag = Ty->getAs<TagType>()) 1126 return MakeCursorTypeRef(Tag->getDecl(), Loc, TU); 1127 if (const TemplateTypeParmType *TemplP = Ty->getAs<TemplateTypeParmType>()) 1128 return MakeCursorTypeRef(TemplP->getDecl(), Loc, TU); 1129 1130 return cursor; 1131 } 1132 1133 bool cxcursor::operator==(CXCursor X, CXCursor Y) { 1134 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && 1135 X.data[2] == Y.data[2]; 1136 } 1137 1138 // FIXME: Remove once we can model DeclGroups and their appropriate ranges 1139 // properly in the ASTs. 1140 bool cxcursor::isFirstInDeclGroup(CXCursor C) { 1141 assert(clang_isDeclaration(C.kind)); 1142 return ((uintptr_t) (C.data[1])) != 0; 1143 } 1144 1145 //===----------------------------------------------------------------------===// 1146 // libclang CXCursor APIs 1147 //===----------------------------------------------------------------------===// 1148 1149 int clang_Cursor_isNull(CXCursor cursor) { 1150 return clang_equalCursors(cursor, clang_getNullCursor()); 1151 } 1152 1153 CXTranslationUnit clang_Cursor_getTranslationUnit(CXCursor cursor) { 1154 return getCursorTU(cursor); 1155 } 1156 1157 int clang_Cursor_getNumArguments(CXCursor C) { 1158 if (clang_isDeclaration(C.kind)) { 1159 const Decl *D = cxcursor::getCursorDecl(C); 1160 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) 1161 return MD->param_size(); 1162 if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) 1163 return FD->param_size(); 1164 } 1165 1166 if (clang_isExpression(C.kind)) { 1167 const Expr *E = cxcursor::getCursorExpr(C); 1168 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1169 return CE->getNumArgs(); 1170 } 1171 } 1172 1173 return -1; 1174 } 1175 1176 CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i) { 1177 if (clang_isDeclaration(C.kind)) { 1178 const Decl *D = cxcursor::getCursorDecl(C); 1179 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) { 1180 if (i < MD->param_size()) 1181 return cxcursor::MakeCXCursor(MD->parameters()[i], 1182 cxcursor::getCursorTU(C)); 1183 } else if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) { 1184 if (i < FD->param_size()) 1185 return cxcursor::MakeCXCursor(FD->parameters()[i], 1186 cxcursor::getCursorTU(C)); 1187 } 1188 } 1189 1190 if (clang_isExpression(C.kind)) { 1191 const Expr *E = cxcursor::getCursorExpr(C); 1192 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1193 if (i < CE->getNumArgs()) { 1194 return cxcursor::MakeCXCursor(CE->getArg(i), 1195 getCursorDecl(C), 1196 cxcursor::getCursorTU(C)); 1197 } 1198 } 1199 } 1200 1201 return clang_getNullCursor(); 1202 } 1203 1204 int clang_Cursor_getNumTemplateArguments(CXCursor C) { 1205 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1206 return -1; 1207 } 1208 1209 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1210 getCursorDecl(C)); 1211 if (!FD) { 1212 return -1; 1213 } 1214 1215 const FunctionTemplateSpecializationInfo* SpecInfo = 1216 FD->getTemplateSpecializationInfo(); 1217 if (!SpecInfo) { 1218 return -1; 1219 } 1220 1221 return SpecInfo->TemplateArguments->size(); 1222 } 1223 1224 enum CXGetTemplateArgumentStatus { 1225 /** The operation completed successfully */ 1226 CXGetTemplateArgumentStatus_Success = 0, 1227 1228 /** The specified cursor did not represent a FunctionDecl. */ 1229 CXGetTemplateArgumentStatus_CursorNotFunctionDecl = -1, 1230 1231 /** The specified cursor was not castable to a FunctionDecl. */ 1232 CXGetTemplateArgumentStatus_BadFunctionDeclCast = -2, 1233 1234 /** A NULL FunctionTemplateSpecializationInfo was retrieved. */ 1235 CXGetTemplateArgumentStatus_NullTemplSpecInfo = -3, 1236 1237 /** An invalid (OOB) argument index was specified */ 1238 CXGetTemplateArgumentStatus_InvalidIndex = -4 1239 }; 1240 1241 static int clang_Cursor_getTemplateArgument( 1242 CXCursor C, unsigned I, TemplateArgument *TA) { 1243 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1244 return CXGetTemplateArgumentStatus_CursorNotFunctionDecl; 1245 } 1246 1247 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1248 getCursorDecl(C)); 1249 if (!FD) { 1250 return CXGetTemplateArgumentStatus_BadFunctionDeclCast; 1251 } 1252 1253 const FunctionTemplateSpecializationInfo* SpecInfo = 1254 FD->getTemplateSpecializationInfo(); 1255 if (!SpecInfo) { 1256 return CXGetTemplateArgumentStatus_NullTemplSpecInfo; 1257 } 1258 1259 if (I >= SpecInfo->TemplateArguments->size()) { 1260 return CXGetTemplateArgumentStatus_InvalidIndex; 1261 } 1262 1263 *TA = SpecInfo->TemplateArguments->get(I); 1264 return 0; 1265 } 1266 1267 enum CXTemplateArgumentKind clang_Cursor_getTemplateArgumentKind(CXCursor C, 1268 unsigned I) { 1269 TemplateArgument TA; 1270 if (clang_Cursor_getTemplateArgument(C, I, &TA)) { 1271 return CXTemplateArgumentKind_Invalid; 1272 } 1273 1274 switch (TA.getKind()) { 1275 case TemplateArgument::Null: return CXTemplateArgumentKind_Null; 1276 case TemplateArgument::Type: return CXTemplateArgumentKind_Type; 1277 case TemplateArgument::Declaration: 1278 return CXTemplateArgumentKind_Declaration; 1279 case TemplateArgument::NullPtr: return CXTemplateArgumentKind_NullPtr; 1280 case TemplateArgument::Integral: return CXTemplateArgumentKind_Integral; 1281 case TemplateArgument::Template: return CXTemplateArgumentKind_Template; 1282 case TemplateArgument::TemplateExpansion: 1283 return CXTemplateArgumentKind_TemplateExpansion; 1284 case TemplateArgument::Expression: return CXTemplateArgumentKind_Expression; 1285 case TemplateArgument::Pack: return CXTemplateArgumentKind_Pack; 1286 } 1287 1288 return CXTemplateArgumentKind_Invalid; 1289 } 1290 1291 CXType clang_Cursor_getTemplateArgumentType(CXCursor C, unsigned I) { 1292 TemplateArgument TA; 1293 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1294 CXGetTemplateArgumentStatus_Success) { 1295 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1296 } 1297 1298 if (TA.getKind() != TemplateArgument::Type) { 1299 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1300 } 1301 1302 return cxtype::MakeCXType(TA.getAsType(), getCursorTU(C)); 1303 } 1304 1305 long long clang_Cursor_getTemplateArgumentValue(CXCursor C, unsigned I) { 1306 TemplateArgument TA; 1307 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1308 CXGetTemplateArgumentStatus_Success) { 1309 assert(0 && "Unable to retrieve TemplateArgument"); 1310 return 0; 1311 } 1312 1313 if (TA.getKind() != TemplateArgument::Integral) { 1314 assert(0 && "Passed template argument is not Integral"); 1315 return 0; 1316 } 1317 1318 return TA.getAsIntegral().getSExtValue(); 1319 } 1320 1321 unsigned long long clang_Cursor_getTemplateArgumentUnsignedValue(CXCursor C, 1322 unsigned I) { 1323 TemplateArgument TA; 1324 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1325 CXGetTemplateArgumentStatus_Success) { 1326 assert(0 && "Unable to retrieve TemplateArgument"); 1327 return 0; 1328 } 1329 1330 if (TA.getKind() != TemplateArgument::Integral) { 1331 assert(0 && "Passed template argument is not Integral"); 1332 return 0; 1333 } 1334 1335 return TA.getAsIntegral().getZExtValue(); 1336 } 1337 1338 //===----------------------------------------------------------------------===// 1339 // CXCursorSet. 1340 //===----------------------------------------------------------------------===// 1341 1342 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; 1343 1344 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { 1345 return (CXCursorSet) setImpl; 1346 } 1347 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { 1348 return (CXCursorSet_Impl*) set; 1349 } 1350 namespace llvm { 1351 template<> struct DenseMapInfo<CXCursor> { 1352 public: 1353 static inline CXCursor getEmptyKey() { 1354 return MakeCXCursorInvalid(CXCursor_InvalidFile); 1355 } 1356 static inline CXCursor getTombstoneKey() { 1357 return MakeCXCursorInvalid(CXCursor_NoDeclFound); 1358 } 1359 static inline unsigned getHashValue(const CXCursor &cursor) { 1360 return llvm::DenseMapInfo<std::pair<const void *, const void *> > 1361 ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); 1362 } 1363 static inline bool isEqual(const CXCursor &x, const CXCursor &y) { 1364 return x.kind == y.kind && 1365 x.data[0] == y.data[0] && 1366 x.data[1] == y.data[1]; 1367 } 1368 }; 1369 } 1370 1371 CXCursorSet clang_createCXCursorSet() { 1372 return packCXCursorSet(new CXCursorSet_Impl()); 1373 } 1374 1375 void clang_disposeCXCursorSet(CXCursorSet set) { 1376 delete unpackCXCursorSet(set); 1377 } 1378 1379 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { 1380 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1381 if (!setImpl) 1382 return 0; 1383 return setImpl->find(cursor) != setImpl->end(); 1384 } 1385 1386 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { 1387 // Do not insert invalid cursors into the set. 1388 if (cursor.kind >= CXCursor_FirstInvalid && 1389 cursor.kind <= CXCursor_LastInvalid) 1390 return 1; 1391 1392 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1393 if (!setImpl) 1394 return 1; 1395 unsigned &entry = (*setImpl)[cursor]; 1396 unsigned flag = entry == 0 ? 1 : 0; 1397 entry = 1; 1398 return flag; 1399 } 1400 1401 CXCompletionString clang_getCursorCompletionString(CXCursor cursor) { 1402 enum CXCursorKind kind = clang_getCursorKind(cursor); 1403 if (clang_isDeclaration(kind)) { 1404 const Decl *decl = getCursorDecl(cursor); 1405 if (const NamedDecl *namedDecl = dyn_cast_or_null<NamedDecl>(decl)) { 1406 ASTUnit *unit = getCursorASTUnit(cursor); 1407 CodeCompletionResult Result(namedDecl, CCP_Declaration); 1408 CodeCompletionString *String 1409 = Result.CreateCodeCompletionString(unit->getASTContext(), 1410 unit->getPreprocessor(), 1411 CodeCompletionContext::CCC_Other, 1412 unit->getCodeCompletionTUInfo().getAllocator(), 1413 unit->getCodeCompletionTUInfo(), 1414 true); 1415 return String; 1416 } 1417 } else if (kind == CXCursor_MacroDefinition) { 1418 const MacroDefinitionRecord *definition = getCursorMacroDefinition(cursor); 1419 const IdentifierInfo *Macro = definition->getName(); 1420 ASTUnit *unit = getCursorASTUnit(cursor); 1421 CodeCompletionResult Result( 1422 Macro, 1423 unit->getPreprocessor().getMacroDefinition(Macro).getMacroInfo()); 1424 CodeCompletionString *String = Result.CreateCodeCompletionString( 1425 unit->getASTContext(), unit->getPreprocessor(), 1426 CodeCompletionContext::CCC_Other, 1427 unit->getCodeCompletionTUInfo().getAllocator(), 1428 unit->getCodeCompletionTUInfo(), false); 1429 return String; 1430 } 1431 return nullptr; 1432 } 1433 1434 namespace { 1435 struct OverridenCursorsPool { 1436 typedef SmallVector<CXCursor, 2> CursorVec; 1437 std::vector<CursorVec*> AllCursors; 1438 std::vector<CursorVec*> AvailableCursors; 1439 1440 ~OverridenCursorsPool() { 1441 for (std::vector<CursorVec*>::iterator I = AllCursors.begin(), 1442 E = AllCursors.end(); I != E; ++I) { 1443 delete *I; 1444 } 1445 } 1446 }; 1447 } 1448 1449 void *cxcursor::createOverridenCXCursorsPool() { 1450 return new OverridenCursorsPool(); 1451 } 1452 1453 void cxcursor::disposeOverridenCXCursorsPool(void *pool) { 1454 delete static_cast<OverridenCursorsPool*>(pool); 1455 } 1456 1457 void clang_getOverriddenCursors(CXCursor cursor, 1458 CXCursor **overridden, 1459 unsigned *num_overridden) { 1460 if (overridden) 1461 *overridden = nullptr; 1462 if (num_overridden) 1463 *num_overridden = 0; 1464 1465 CXTranslationUnit TU = cxcursor::getCursorTU(cursor); 1466 1467 if (!overridden || !num_overridden || !TU) 1468 return; 1469 1470 if (!clang_isDeclaration(cursor.kind)) 1471 return; 1472 1473 OverridenCursorsPool &pool = 1474 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1475 1476 OverridenCursorsPool::CursorVec *Vec = nullptr; 1477 1478 if (!pool.AvailableCursors.empty()) { 1479 Vec = pool.AvailableCursors.back(); 1480 pool.AvailableCursors.pop_back(); 1481 } 1482 else { 1483 Vec = new OverridenCursorsPool::CursorVec(); 1484 pool.AllCursors.push_back(Vec); 1485 } 1486 1487 // Clear out the vector, but don't free the memory contents. This 1488 // reduces malloc() traffic. 1489 Vec->clear(); 1490 1491 // Use the first entry to contain a back reference to the vector. 1492 // This is a complete hack. 1493 CXCursor backRefCursor = MakeCXCursorInvalid(CXCursor_InvalidFile, TU); 1494 backRefCursor.data[0] = Vec; 1495 assert(cxcursor::getCursorTU(backRefCursor) == TU); 1496 Vec->push_back(backRefCursor); 1497 1498 // Get the overridden cursors. 1499 cxcursor::getOverriddenCursors(cursor, *Vec); 1500 1501 // Did we get any overridden cursors? If not, return Vec to the pool 1502 // of available cursor vectors. 1503 if (Vec->size() == 1) { 1504 pool.AvailableCursors.push_back(Vec); 1505 return; 1506 } 1507 1508 // Now tell the caller about the overridden cursors. 1509 assert(Vec->size() > 1); 1510 *overridden = &((*Vec)[1]); 1511 *num_overridden = Vec->size() - 1; 1512 } 1513 1514 void clang_disposeOverriddenCursors(CXCursor *overridden) { 1515 if (!overridden) 1516 return; 1517 1518 // Use pointer arithmetic to get back the first faux entry 1519 // which has a back-reference to the TU and the vector. 1520 --overridden; 1521 OverridenCursorsPool::CursorVec *Vec = 1522 static_cast<OverridenCursorsPool::CursorVec *>( 1523 const_cast<void *>(overridden->data[0])); 1524 CXTranslationUnit TU = getCursorTU(*overridden); 1525 1526 assert(Vec && TU); 1527 1528 OverridenCursorsPool &pool = 1529 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1530 1531 pool.AvailableCursors.push_back(Vec); 1532 } 1533 1534 int clang_Cursor_isDynamicCall(CXCursor C) { 1535 const Expr *E = nullptr; 1536 if (clang_isExpression(C.kind)) 1537 E = getCursorExpr(C); 1538 if (!E) 1539 return 0; 1540 1541 if (const ObjCMessageExpr *MsgE = dyn_cast<ObjCMessageExpr>(E)) { 1542 if (MsgE->getReceiverKind() != ObjCMessageExpr::Instance) 1543 return false; 1544 if (auto *RecE = dyn_cast<ObjCMessageExpr>( 1545 MsgE->getInstanceReceiver()->IgnoreParenCasts())) { 1546 if (RecE->getMethodFamily() == OMF_alloc) 1547 return false; 1548 } 1549 return true; 1550 } 1551 1552 if (auto *PropRefE = dyn_cast<ObjCPropertyRefExpr>(E)) { 1553 return !PropRefE->isSuperReceiver(); 1554 } 1555 1556 const MemberExpr *ME = nullptr; 1557 if (isa<MemberExpr>(E)) 1558 ME = cast<MemberExpr>(E); 1559 else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) 1560 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); 1561 1562 if (ME) { 1563 if (const CXXMethodDecl * 1564 MD = dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) 1565 return MD->isVirtual() && 1566 ME->performsVirtualDispatch( 1567 cxcursor::getCursorContext(C).getLangOpts()); 1568 } 1569 1570 return 0; 1571 } 1572 1573 CXType clang_Cursor_getReceiverType(CXCursor C) { 1574 CXTranslationUnit TU = cxcursor::getCursorTU(C); 1575 const Expr *E = nullptr; 1576 if (clang_isExpression(C.kind)) 1577 E = getCursorExpr(C); 1578 1579 if (const ObjCMessageExpr *MsgE = dyn_cast_or_null<ObjCMessageExpr>(E)) 1580 return cxtype::MakeCXType(MsgE->getReceiverType(), TU); 1581 1582 if (auto *PropRefE = dyn_cast<ObjCPropertyRefExpr>(E)) { 1583 return cxtype::MakeCXType( 1584 PropRefE->getReceiverType(cxcursor::getCursorContext(C)), TU); 1585 } 1586 1587 const MemberExpr *ME = nullptr; 1588 if (isa<MemberExpr>(E)) 1589 ME = cast<MemberExpr>(E); 1590 else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) 1591 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); 1592 1593 if (ME) { 1594 if (dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) { 1595 auto receiverTy = ME->getBase()->IgnoreImpCasts()->getType(); 1596 return cxtype::MakeCXType(receiverTy, TU); 1597 } 1598 } 1599 1600 return cxtype::MakeCXType(QualType(), TU); 1601 } 1602