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 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { 1016 return getCursorASTUnit(Cursor)->getASTContext(); 1017 } 1018 1019 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { 1020 CXTranslationUnit TU = getCursorTU(Cursor); 1021 if (!TU) 1022 return nullptr; 1023 return cxtu::getASTUnit(TU); 1024 } 1025 1026 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { 1027 return static_cast<CXTranslationUnit>(const_cast<void*>(Cursor.data[2])); 1028 } 1029 1030 void cxcursor::getOverriddenCursors(CXCursor cursor, 1031 SmallVectorImpl<CXCursor> &overridden) { 1032 assert(clang_isDeclaration(cursor.kind)); 1033 const NamedDecl *D = dyn_cast_or_null<NamedDecl>(getCursorDecl(cursor)); 1034 if (!D) 1035 return; 1036 1037 CXTranslationUnit TU = getCursorTU(cursor); 1038 SmallVector<const NamedDecl *, 8> OverDecls; 1039 D->getASTContext().getOverriddenMethods(D, OverDecls); 1040 1041 for (SmallVectorImpl<const NamedDecl *>::iterator 1042 I = OverDecls.begin(), E = OverDecls.end(); I != E; ++I) { 1043 overridden.push_back(MakeCXCursor(*I, TU)); 1044 } 1045 } 1046 1047 std::pair<int, SourceLocation> 1048 cxcursor::getSelectorIdentifierIndexAndLoc(CXCursor cursor) { 1049 if (cursor.kind == CXCursor_ObjCMessageExpr) { 1050 if (cursor.xdata != -1) 1051 return std::make_pair(cursor.xdata, 1052 cast<ObjCMessageExpr>(getCursorExpr(cursor)) 1053 ->getSelectorLoc(cursor.xdata)); 1054 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 1055 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 1056 if (cursor.xdata != -1) 1057 return std::make_pair(cursor.xdata, 1058 cast<ObjCMethodDecl>(getCursorDecl(cursor)) 1059 ->getSelectorLoc(cursor.xdata)); 1060 } 1061 1062 return std::make_pair(-1, SourceLocation()); 1063 } 1064 1065 CXCursor cxcursor::getSelectorIdentifierCursor(int SelIdx, CXCursor cursor) { 1066 CXCursor newCursor = cursor; 1067 1068 if (cursor.kind == CXCursor_ObjCMessageExpr) { 1069 if (SelIdx == -1 || 1070 unsigned(SelIdx) >= cast<ObjCMessageExpr>(getCursorExpr(cursor)) 1071 ->getNumSelectorLocs()) 1072 newCursor.xdata = -1; 1073 else 1074 newCursor.xdata = SelIdx; 1075 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 1076 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 1077 if (SelIdx == -1 || 1078 unsigned(SelIdx) >= cast<ObjCMethodDecl>(getCursorDecl(cursor)) 1079 ->getNumSelectorLocs()) 1080 newCursor.xdata = -1; 1081 else 1082 newCursor.xdata = SelIdx; 1083 } 1084 1085 return newCursor; 1086 } 1087 1088 CXCursor cxcursor::getTypeRefCursor(CXCursor cursor) { 1089 if (cursor.kind != CXCursor_CallExpr) 1090 return cursor; 1091 1092 if (cursor.xdata == 0) 1093 return cursor; 1094 1095 const Expr *E = getCursorExpr(cursor); 1096 TypeSourceInfo *Type = nullptr; 1097 if (const CXXUnresolvedConstructExpr * 1098 UnCtor = dyn_cast<CXXUnresolvedConstructExpr>(E)) { 1099 Type = UnCtor->getTypeSourceInfo(); 1100 } else if (const CXXTemporaryObjectExpr *Tmp = 1101 dyn_cast<CXXTemporaryObjectExpr>(E)){ 1102 Type = Tmp->getTypeSourceInfo(); 1103 } 1104 1105 if (!Type) 1106 return cursor; 1107 1108 CXTranslationUnit TU = getCursorTU(cursor); 1109 QualType Ty = Type->getType(); 1110 TypeLoc TL = Type->getTypeLoc(); 1111 SourceLocation Loc = TL.getBeginLoc(); 1112 1113 if (const ElaboratedType *ElabT = Ty->getAs<ElaboratedType>()) { 1114 Ty = ElabT->getNamedType(); 1115 ElaboratedTypeLoc ElabTL = TL.castAs<ElaboratedTypeLoc>(); 1116 Loc = ElabTL.getNamedTypeLoc().getBeginLoc(); 1117 } 1118 1119 if (const TypedefType *Typedef = Ty->getAs<TypedefType>()) 1120 return MakeCursorTypeRef(Typedef->getDecl(), Loc, TU); 1121 if (const TagType *Tag = Ty->getAs<TagType>()) 1122 return MakeCursorTypeRef(Tag->getDecl(), Loc, TU); 1123 if (const TemplateTypeParmType *TemplP = Ty->getAs<TemplateTypeParmType>()) 1124 return MakeCursorTypeRef(TemplP->getDecl(), Loc, TU); 1125 1126 return cursor; 1127 } 1128 1129 bool cxcursor::operator==(CXCursor X, CXCursor Y) { 1130 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && 1131 X.data[2] == Y.data[2]; 1132 } 1133 1134 // FIXME: Remove once we can model DeclGroups and their appropriate ranges 1135 // properly in the ASTs. 1136 bool cxcursor::isFirstInDeclGroup(CXCursor C) { 1137 assert(clang_isDeclaration(C.kind)); 1138 return ((uintptr_t) (C.data[1])) != 0; 1139 } 1140 1141 //===----------------------------------------------------------------------===// 1142 // libclang CXCursor APIs 1143 //===----------------------------------------------------------------------===// 1144 1145 int clang_Cursor_isNull(CXCursor cursor) { 1146 return clang_equalCursors(cursor, clang_getNullCursor()); 1147 } 1148 1149 CXTranslationUnit clang_Cursor_getTranslationUnit(CXCursor cursor) { 1150 return getCursorTU(cursor); 1151 } 1152 1153 int clang_Cursor_getNumArguments(CXCursor C) { 1154 if (clang_isDeclaration(C.kind)) { 1155 const Decl *D = cxcursor::getCursorDecl(C); 1156 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) 1157 return MD->param_size(); 1158 if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) 1159 return FD->param_size(); 1160 } 1161 1162 if (clang_isExpression(C.kind)) { 1163 const Expr *E = cxcursor::getCursorExpr(C); 1164 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1165 return CE->getNumArgs(); 1166 } 1167 } 1168 1169 return -1; 1170 } 1171 1172 CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i) { 1173 if (clang_isDeclaration(C.kind)) { 1174 const Decl *D = cxcursor::getCursorDecl(C); 1175 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) { 1176 if (i < MD->param_size()) 1177 return cxcursor::MakeCXCursor(MD->parameters()[i], 1178 cxcursor::getCursorTU(C)); 1179 } else if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) { 1180 if (i < FD->param_size()) 1181 return cxcursor::MakeCXCursor(FD->parameters()[i], 1182 cxcursor::getCursorTU(C)); 1183 } 1184 } 1185 1186 if (clang_isExpression(C.kind)) { 1187 const Expr *E = cxcursor::getCursorExpr(C); 1188 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1189 if (i < CE->getNumArgs()) { 1190 return cxcursor::MakeCXCursor(CE->getArg(i), 1191 getCursorDecl(C), 1192 cxcursor::getCursorTU(C)); 1193 } 1194 } 1195 } 1196 1197 return clang_getNullCursor(); 1198 } 1199 1200 int clang_Cursor_getNumTemplateArguments(CXCursor C) { 1201 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1202 return -1; 1203 } 1204 1205 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1206 getCursorDecl(C)); 1207 if (!FD) { 1208 return -1; 1209 } 1210 1211 const FunctionTemplateSpecializationInfo* SpecInfo = 1212 FD->getTemplateSpecializationInfo(); 1213 if (!SpecInfo) { 1214 return -1; 1215 } 1216 1217 return SpecInfo->TemplateArguments->size(); 1218 } 1219 1220 enum CXGetTemplateArgumentStatus { 1221 /** The operation completed successfully */ 1222 CXGetTemplateArgumentStatus_Success = 0, 1223 1224 /** The specified cursor did not represent a FunctionDecl. */ 1225 CXGetTemplateArgumentStatus_CursorNotFunctionDecl = -1, 1226 1227 /** The specified cursor was not castable to a FunctionDecl. */ 1228 CXGetTemplateArgumentStatus_BadFunctionDeclCast = -2, 1229 1230 /** A NULL FunctionTemplateSpecializationInfo was retrieved. */ 1231 CXGetTemplateArgumentStatus_NullTemplSpecInfo = -3, 1232 1233 /** An invalid (OOB) argument index was specified */ 1234 CXGetTemplateArgumentStatus_InvalidIndex = -4 1235 }; 1236 1237 static int clang_Cursor_getTemplateArgument( 1238 CXCursor C, unsigned I, TemplateArgument *TA) { 1239 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1240 return CXGetTemplateArgumentStatus_CursorNotFunctionDecl; 1241 } 1242 1243 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1244 getCursorDecl(C)); 1245 if (!FD) { 1246 return CXGetTemplateArgumentStatus_BadFunctionDeclCast; 1247 } 1248 1249 const FunctionTemplateSpecializationInfo* SpecInfo = 1250 FD->getTemplateSpecializationInfo(); 1251 if (!SpecInfo) { 1252 return CXGetTemplateArgumentStatus_NullTemplSpecInfo; 1253 } 1254 1255 if (I >= SpecInfo->TemplateArguments->size()) { 1256 return CXGetTemplateArgumentStatus_InvalidIndex; 1257 } 1258 1259 *TA = SpecInfo->TemplateArguments->get(I); 1260 return 0; 1261 } 1262 1263 enum CXTemplateArgumentKind clang_Cursor_getTemplateArgumentKind(CXCursor C, 1264 unsigned I) { 1265 TemplateArgument TA; 1266 if (clang_Cursor_getTemplateArgument(C, I, &TA)) { 1267 return CXTemplateArgumentKind_Invalid; 1268 } 1269 1270 switch (TA.getKind()) { 1271 case TemplateArgument::Null: return CXTemplateArgumentKind_Null; 1272 case TemplateArgument::Type: return CXTemplateArgumentKind_Type; 1273 case TemplateArgument::Declaration: 1274 return CXTemplateArgumentKind_Declaration; 1275 case TemplateArgument::NullPtr: return CXTemplateArgumentKind_NullPtr; 1276 case TemplateArgument::Integral: return CXTemplateArgumentKind_Integral; 1277 case TemplateArgument::Template: return CXTemplateArgumentKind_Template; 1278 case TemplateArgument::TemplateExpansion: 1279 return CXTemplateArgumentKind_TemplateExpansion; 1280 case TemplateArgument::Expression: return CXTemplateArgumentKind_Expression; 1281 case TemplateArgument::Pack: return CXTemplateArgumentKind_Pack; 1282 } 1283 1284 return CXTemplateArgumentKind_Invalid; 1285 } 1286 1287 CXType clang_Cursor_getTemplateArgumentType(CXCursor C, unsigned I) { 1288 TemplateArgument TA; 1289 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1290 CXGetTemplateArgumentStatus_Success) { 1291 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1292 } 1293 1294 if (TA.getKind() != TemplateArgument::Type) { 1295 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1296 } 1297 1298 return cxtype::MakeCXType(TA.getAsType(), getCursorTU(C)); 1299 } 1300 1301 long long clang_Cursor_getTemplateArgumentValue(CXCursor C, unsigned I) { 1302 TemplateArgument TA; 1303 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1304 CXGetTemplateArgumentStatus_Success) { 1305 assert(0 && "Unable to retrieve TemplateArgument"); 1306 return 0; 1307 } 1308 1309 if (TA.getKind() != TemplateArgument::Integral) { 1310 assert(0 && "Passed template argument is not Integral"); 1311 return 0; 1312 } 1313 1314 return TA.getAsIntegral().getSExtValue(); 1315 } 1316 1317 unsigned long long clang_Cursor_getTemplateArgumentUnsignedValue(CXCursor C, 1318 unsigned I) { 1319 TemplateArgument TA; 1320 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1321 CXGetTemplateArgumentStatus_Success) { 1322 assert(0 && "Unable to retrieve TemplateArgument"); 1323 return 0; 1324 } 1325 1326 if (TA.getKind() != TemplateArgument::Integral) { 1327 assert(0 && "Passed template argument is not Integral"); 1328 return 0; 1329 } 1330 1331 return TA.getAsIntegral().getZExtValue(); 1332 } 1333 1334 //===----------------------------------------------------------------------===// 1335 // CXCursorSet. 1336 //===----------------------------------------------------------------------===// 1337 1338 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; 1339 1340 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { 1341 return (CXCursorSet) setImpl; 1342 } 1343 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { 1344 return (CXCursorSet_Impl*) set; 1345 } 1346 namespace llvm { 1347 template<> struct DenseMapInfo<CXCursor> { 1348 public: 1349 static inline CXCursor getEmptyKey() { 1350 return MakeCXCursorInvalid(CXCursor_InvalidFile); 1351 } 1352 static inline CXCursor getTombstoneKey() { 1353 return MakeCXCursorInvalid(CXCursor_NoDeclFound); 1354 } 1355 static inline unsigned getHashValue(const CXCursor &cursor) { 1356 return llvm::DenseMapInfo<std::pair<const void *, const void *> > 1357 ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); 1358 } 1359 static inline bool isEqual(const CXCursor &x, const CXCursor &y) { 1360 return x.kind == y.kind && 1361 x.data[0] == y.data[0] && 1362 x.data[1] == y.data[1]; 1363 } 1364 }; 1365 } 1366 1367 CXCursorSet clang_createCXCursorSet() { 1368 return packCXCursorSet(new CXCursorSet_Impl()); 1369 } 1370 1371 void clang_disposeCXCursorSet(CXCursorSet set) { 1372 delete unpackCXCursorSet(set); 1373 } 1374 1375 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { 1376 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1377 if (!setImpl) 1378 return 0; 1379 return setImpl->find(cursor) != setImpl->end(); 1380 } 1381 1382 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { 1383 // Do not insert invalid cursors into the set. 1384 if (cursor.kind >= CXCursor_FirstInvalid && 1385 cursor.kind <= CXCursor_LastInvalid) 1386 return 1; 1387 1388 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1389 if (!setImpl) 1390 return 1; 1391 unsigned &entry = (*setImpl)[cursor]; 1392 unsigned flag = entry == 0 ? 1 : 0; 1393 entry = 1; 1394 return flag; 1395 } 1396 1397 CXCompletionString clang_getCursorCompletionString(CXCursor cursor) { 1398 enum CXCursorKind kind = clang_getCursorKind(cursor); 1399 if (clang_isDeclaration(kind)) { 1400 const Decl *decl = getCursorDecl(cursor); 1401 if (const NamedDecl *namedDecl = dyn_cast_or_null<NamedDecl>(decl)) { 1402 ASTUnit *unit = getCursorASTUnit(cursor); 1403 CodeCompletionResult Result(namedDecl, CCP_Declaration); 1404 CodeCompletionString *String 1405 = Result.CreateCodeCompletionString(unit->getASTContext(), 1406 unit->getPreprocessor(), 1407 CodeCompletionContext::CCC_Other, 1408 unit->getCodeCompletionTUInfo().getAllocator(), 1409 unit->getCodeCompletionTUInfo(), 1410 true); 1411 return String; 1412 } 1413 } else if (kind == CXCursor_MacroDefinition) { 1414 const MacroDefinitionRecord *definition = getCursorMacroDefinition(cursor); 1415 const IdentifierInfo *Macro = definition->getName(); 1416 ASTUnit *unit = getCursorASTUnit(cursor); 1417 CodeCompletionResult Result( 1418 Macro, 1419 unit->getPreprocessor().getMacroDefinition(Macro).getMacroInfo()); 1420 CodeCompletionString *String = Result.CreateCodeCompletionString( 1421 unit->getASTContext(), unit->getPreprocessor(), 1422 CodeCompletionContext::CCC_Other, 1423 unit->getCodeCompletionTUInfo().getAllocator(), 1424 unit->getCodeCompletionTUInfo(), false); 1425 return String; 1426 } 1427 return nullptr; 1428 } 1429 1430 namespace { 1431 struct OverridenCursorsPool { 1432 typedef SmallVector<CXCursor, 2> CursorVec; 1433 std::vector<CursorVec*> AllCursors; 1434 std::vector<CursorVec*> AvailableCursors; 1435 1436 ~OverridenCursorsPool() { 1437 for (std::vector<CursorVec*>::iterator I = AllCursors.begin(), 1438 E = AllCursors.end(); I != E; ++I) { 1439 delete *I; 1440 } 1441 } 1442 }; 1443 } 1444 1445 void *cxcursor::createOverridenCXCursorsPool() { 1446 return new OverridenCursorsPool(); 1447 } 1448 1449 void cxcursor::disposeOverridenCXCursorsPool(void *pool) { 1450 delete static_cast<OverridenCursorsPool*>(pool); 1451 } 1452 1453 void clang_getOverriddenCursors(CXCursor cursor, 1454 CXCursor **overridden, 1455 unsigned *num_overridden) { 1456 if (overridden) 1457 *overridden = nullptr; 1458 if (num_overridden) 1459 *num_overridden = 0; 1460 1461 CXTranslationUnit TU = cxcursor::getCursorTU(cursor); 1462 1463 if (!overridden || !num_overridden || !TU) 1464 return; 1465 1466 if (!clang_isDeclaration(cursor.kind)) 1467 return; 1468 1469 OverridenCursorsPool &pool = 1470 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1471 1472 OverridenCursorsPool::CursorVec *Vec = nullptr; 1473 1474 if (!pool.AvailableCursors.empty()) { 1475 Vec = pool.AvailableCursors.back(); 1476 pool.AvailableCursors.pop_back(); 1477 } 1478 else { 1479 Vec = new OverridenCursorsPool::CursorVec(); 1480 pool.AllCursors.push_back(Vec); 1481 } 1482 1483 // Clear out the vector, but don't free the memory contents. This 1484 // reduces malloc() traffic. 1485 Vec->clear(); 1486 1487 // Use the first entry to contain a back reference to the vector. 1488 // This is a complete hack. 1489 CXCursor backRefCursor = MakeCXCursorInvalid(CXCursor_InvalidFile, TU); 1490 backRefCursor.data[0] = Vec; 1491 assert(cxcursor::getCursorTU(backRefCursor) == TU); 1492 Vec->push_back(backRefCursor); 1493 1494 // Get the overridden cursors. 1495 cxcursor::getOverriddenCursors(cursor, *Vec); 1496 1497 // Did we get any overridden cursors? If not, return Vec to the pool 1498 // of available cursor vectors. 1499 if (Vec->size() == 1) { 1500 pool.AvailableCursors.push_back(Vec); 1501 return; 1502 } 1503 1504 // Now tell the caller about the overridden cursors. 1505 assert(Vec->size() > 1); 1506 *overridden = &((*Vec)[1]); 1507 *num_overridden = Vec->size() - 1; 1508 } 1509 1510 void clang_disposeOverriddenCursors(CXCursor *overridden) { 1511 if (!overridden) 1512 return; 1513 1514 // Use pointer arithmetic to get back the first faux entry 1515 // which has a back-reference to the TU and the vector. 1516 --overridden; 1517 OverridenCursorsPool::CursorVec *Vec = 1518 static_cast<OverridenCursorsPool::CursorVec *>( 1519 const_cast<void *>(overridden->data[0])); 1520 CXTranslationUnit TU = getCursorTU(*overridden); 1521 1522 assert(Vec && TU); 1523 1524 OverridenCursorsPool &pool = 1525 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1526 1527 pool.AvailableCursors.push_back(Vec); 1528 } 1529 1530 int clang_Cursor_isDynamicCall(CXCursor C) { 1531 const Expr *E = nullptr; 1532 if (clang_isExpression(C.kind)) 1533 E = getCursorExpr(C); 1534 if (!E) 1535 return 0; 1536 1537 if (const ObjCMessageExpr *MsgE = dyn_cast<ObjCMessageExpr>(E)) { 1538 if (MsgE->getReceiverKind() != ObjCMessageExpr::Instance) 1539 return false; 1540 if (auto *RecE = dyn_cast<ObjCMessageExpr>( 1541 MsgE->getInstanceReceiver()->IgnoreParenCasts())) { 1542 if (RecE->getMethodFamily() == OMF_alloc) 1543 return false; 1544 } 1545 return true; 1546 } 1547 1548 if (auto *PropRefE = dyn_cast<ObjCPropertyRefExpr>(E)) { 1549 return !PropRefE->isSuperReceiver(); 1550 } 1551 1552 const MemberExpr *ME = nullptr; 1553 if (isa<MemberExpr>(E)) 1554 ME = cast<MemberExpr>(E); 1555 else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) 1556 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); 1557 1558 if (ME) { 1559 if (const CXXMethodDecl * 1560 MD = dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) 1561 return MD->isVirtual() && 1562 ME->performsVirtualDispatch( 1563 cxcursor::getCursorContext(C).getLangOpts()); 1564 } 1565 1566 return 0; 1567 } 1568 1569 CXType clang_Cursor_getReceiverType(CXCursor C) { 1570 CXTranslationUnit TU = cxcursor::getCursorTU(C); 1571 const Expr *E = nullptr; 1572 if (clang_isExpression(C.kind)) 1573 E = getCursorExpr(C); 1574 1575 if (const ObjCMessageExpr *MsgE = dyn_cast_or_null<ObjCMessageExpr>(E)) 1576 return cxtype::MakeCXType(MsgE->getReceiverType(), TU); 1577 1578 if (auto *PropRefE = dyn_cast<ObjCPropertyRefExpr>(E)) { 1579 return cxtype::MakeCXType( 1580 PropRefE->getReceiverType(cxcursor::getCursorContext(C)), TU); 1581 } 1582 1583 const MemberExpr *ME = nullptr; 1584 if (isa<MemberExpr>(E)) 1585 ME = cast<MemberExpr>(E); 1586 else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) 1587 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); 1588 1589 if (ME) { 1590 if (dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) { 1591 auto receiverTy = ME->getBase()->IgnoreImpCasts()->getType(); 1592 return cxtype::MakeCXType(receiverTy, TU); 1593 } 1594 } 1595 1596 return cxtype::MakeCXType(QualType(), TU); 1597 } 1598