1 //===- CXCursor.cpp - Routines for manipulating CXCursors -----------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file defines routines for manipulating CXCursors. It should be the 10 // only file that has internal knowledge of the encoding of the data in 11 // CXCursor. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #include "CXCursor.h" 16 #include "CXString.h" 17 #include "CXTranslationUnit.h" 18 #include "CXType.h" 19 #include "clang-c/Index.h" 20 #include "clang/AST/Attr.h" 21 #include "clang/AST/Decl.h" 22 #include "clang/AST/DeclCXX.h" 23 #include "clang/AST/DeclObjC.h" 24 #include "clang/AST/DeclTemplate.h" 25 #include "clang/AST/Expr.h" 26 #include "clang/AST/ExprCXX.h" 27 #include "clang/AST/ExprObjC.h" 28 #include "clang/Frontend/ASTUnit.h" 29 #include "llvm/Support/ErrorHandling.h" 30 31 using namespace clang; 32 using namespace cxcursor; 33 34 CXCursor cxcursor::MakeCXCursorInvalid(CXCursorKind K, CXTranslationUnit TU) { 35 assert(K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid); 36 CXCursor C = {K, 0, {nullptr, nullptr, TU}}; 37 return C; 38 } 39 40 static CXCursorKind GetCursorKind(const Attr *A) { 41 assert(A && "Invalid arguments!"); 42 switch (A->getKind()) { 43 default: 44 break; 45 case attr::IBAction: 46 return CXCursor_IBActionAttr; 47 case attr::IBOutlet: 48 return CXCursor_IBOutletAttr; 49 case attr::IBOutletCollection: 50 return CXCursor_IBOutletCollectionAttr; 51 case attr::Final: 52 return CXCursor_CXXFinalAttr; 53 case attr::Override: 54 return CXCursor_CXXOverrideAttr; 55 case attr::Annotate: 56 return CXCursor_AnnotateAttr; 57 case attr::AsmLabel: 58 return CXCursor_AsmLabelAttr; 59 case attr::Packed: 60 return CXCursor_PackedAttr; 61 case attr::Pure: 62 return CXCursor_PureAttr; 63 case attr::Const: 64 return CXCursor_ConstAttr; 65 case attr::NoDuplicate: 66 return CXCursor_NoDuplicateAttr; 67 case attr::CUDAConstant: 68 return CXCursor_CUDAConstantAttr; 69 case attr::CUDADevice: 70 return CXCursor_CUDADeviceAttr; 71 case attr::CUDAGlobal: 72 return CXCursor_CUDAGlobalAttr; 73 case attr::CUDAHost: 74 return CXCursor_CUDAHostAttr; 75 case attr::CUDAShared: 76 return CXCursor_CUDASharedAttr; 77 case attr::Visibility: 78 return CXCursor_VisibilityAttr; 79 case attr::DLLExport: 80 return CXCursor_DLLExport; 81 case attr::DLLImport: 82 return CXCursor_DLLImport; 83 case attr::NSReturnsRetained: 84 return CXCursor_NSReturnsRetained; 85 case attr::NSReturnsNotRetained: 86 return CXCursor_NSReturnsNotRetained; 87 case attr::NSReturnsAutoreleased: 88 return CXCursor_NSReturnsAutoreleased; 89 case attr::NSConsumesSelf: 90 return CXCursor_NSConsumesSelf; 91 case attr::NSConsumed: 92 return CXCursor_NSConsumed; 93 case attr::ObjCException: 94 return CXCursor_ObjCException; 95 case attr::ObjCNSObject: 96 return CXCursor_ObjCNSObject; 97 case attr::ObjCIndependentClass: 98 return CXCursor_ObjCIndependentClass; 99 case attr::ObjCPreciseLifetime: 100 return CXCursor_ObjCPreciseLifetime; 101 case attr::ObjCReturnsInnerPointer: 102 return CXCursor_ObjCReturnsInnerPointer; 103 case attr::ObjCRequiresSuper: 104 return CXCursor_ObjCRequiresSuper; 105 case attr::ObjCRootClass: 106 return CXCursor_ObjCRootClass; 107 case attr::ObjCSubclassingRestricted: 108 return CXCursor_ObjCSubclassingRestricted; 109 case attr::ObjCExplicitProtocolImpl: 110 return CXCursor_ObjCExplicitProtocolImpl; 111 case attr::ObjCDesignatedInitializer: 112 return CXCursor_ObjCDesignatedInitializer; 113 case attr::ObjCRuntimeVisible: 114 return CXCursor_ObjCRuntimeVisible; 115 case attr::ObjCBoxable: 116 return CXCursor_ObjCBoxable; 117 case attr::FlagEnum: 118 return CXCursor_FlagEnum; 119 case attr::Convergent: 120 return CXCursor_ConvergentAttr; 121 case attr::WarnUnused: 122 return CXCursor_WarnUnusedAttr; 123 case attr::WarnUnusedResult: 124 return CXCursor_WarnUnusedResultAttr; 125 case attr::Aligned: 126 return CXCursor_AlignedAttr; 127 } 128 129 return CXCursor_UnexposedAttr; 130 } 131 132 CXCursor cxcursor::MakeCXCursor(const Attr *A, const Decl *Parent, 133 CXTranslationUnit TU) { 134 assert(A && Parent && TU && "Invalid arguments!"); 135 CXCursor C = {GetCursorKind(A), 0, {Parent, A, TU}}; 136 return C; 137 } 138 139 CXCursor cxcursor::MakeCXCursor(const Decl *D, CXTranslationUnit TU, 140 SourceRange RegionOfInterest, 141 bool FirstInDeclGroup) { 142 assert(D && TU && "Invalid arguments!"); 143 144 CXCursorKind K = getCursorKindForDecl(D); 145 146 if (K == CXCursor_ObjCClassMethodDecl || 147 K == CXCursor_ObjCInstanceMethodDecl) { 148 int SelectorIdIndex = -1; 149 // Check if cursor points to a selector id. 150 if (RegionOfInterest.isValid() && 151 RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) { 152 SmallVector<SourceLocation, 16> SelLocs; 153 cast<ObjCMethodDecl>(D)->getSelectorLocs(SelLocs); 154 SmallVectorImpl<SourceLocation>::iterator I = 155 llvm::find(SelLocs, RegionOfInterest.getBegin()); 156 if (I != SelLocs.end()) 157 SelectorIdIndex = I - SelLocs.begin(); 158 } 159 CXCursor C = {K, 160 SelectorIdIndex, 161 {D, (void *)(intptr_t)(FirstInDeclGroup ? 1 : 0), TU}}; 162 return C; 163 } 164 165 CXCursor C = {K, 0, {D, (void *)(intptr_t)(FirstInDeclGroup ? 1 : 0), TU}}; 166 return C; 167 } 168 169 CXCursor cxcursor::MakeCXCursor(const Stmt *S, const Decl *Parent, 170 CXTranslationUnit TU, 171 SourceRange RegionOfInterest) { 172 assert(S && TU && "Invalid arguments!"); 173 CXCursorKind K = CXCursor_NotImplemented; 174 175 switch (S->getStmtClass()) { 176 case Stmt::NoStmtClass: 177 break; 178 179 case Stmt::CaseStmtClass: 180 K = CXCursor_CaseStmt; 181 break; 182 183 case Stmt::DefaultStmtClass: 184 K = CXCursor_DefaultStmt; 185 break; 186 187 case Stmt::IfStmtClass: 188 K = CXCursor_IfStmt; 189 break; 190 191 case Stmt::SwitchStmtClass: 192 K = CXCursor_SwitchStmt; 193 break; 194 195 case Stmt::WhileStmtClass: 196 K = CXCursor_WhileStmt; 197 break; 198 199 case Stmt::DoStmtClass: 200 K = CXCursor_DoStmt; 201 break; 202 203 case Stmt::ForStmtClass: 204 K = CXCursor_ForStmt; 205 break; 206 207 case Stmt::GotoStmtClass: 208 K = CXCursor_GotoStmt; 209 break; 210 211 case Stmt::IndirectGotoStmtClass: 212 K = CXCursor_IndirectGotoStmt; 213 break; 214 215 case Stmt::ContinueStmtClass: 216 K = CXCursor_ContinueStmt; 217 break; 218 219 case Stmt::BreakStmtClass: 220 K = CXCursor_BreakStmt; 221 break; 222 223 case Stmt::ReturnStmtClass: 224 K = CXCursor_ReturnStmt; 225 break; 226 227 case Stmt::GCCAsmStmtClass: 228 K = CXCursor_GCCAsmStmt; 229 break; 230 231 case Stmt::MSAsmStmtClass: 232 K = CXCursor_MSAsmStmt; 233 break; 234 235 case Stmt::ObjCAtTryStmtClass: 236 K = CXCursor_ObjCAtTryStmt; 237 break; 238 239 case Stmt::ObjCAtCatchStmtClass: 240 K = CXCursor_ObjCAtCatchStmt; 241 break; 242 243 case Stmt::ObjCAtFinallyStmtClass: 244 K = CXCursor_ObjCAtFinallyStmt; 245 break; 246 247 case Stmt::ObjCAtThrowStmtClass: 248 K = CXCursor_ObjCAtThrowStmt; 249 break; 250 251 case Stmt::ObjCAtSynchronizedStmtClass: 252 K = CXCursor_ObjCAtSynchronizedStmt; 253 break; 254 255 case Stmt::ObjCAutoreleasePoolStmtClass: 256 K = CXCursor_ObjCAutoreleasePoolStmt; 257 break; 258 259 case Stmt::ObjCForCollectionStmtClass: 260 K = CXCursor_ObjCForCollectionStmt; 261 break; 262 263 case Stmt::CXXCatchStmtClass: 264 K = CXCursor_CXXCatchStmt; 265 break; 266 267 case Stmt::CXXTryStmtClass: 268 K = CXCursor_CXXTryStmt; 269 break; 270 271 case Stmt::CXXForRangeStmtClass: 272 K = CXCursor_CXXForRangeStmt; 273 break; 274 275 case Stmt::SEHTryStmtClass: 276 K = CXCursor_SEHTryStmt; 277 break; 278 279 case Stmt::SEHExceptStmtClass: 280 K = CXCursor_SEHExceptStmt; 281 break; 282 283 case Stmt::SEHFinallyStmtClass: 284 K = CXCursor_SEHFinallyStmt; 285 break; 286 287 case Stmt::SEHLeaveStmtClass: 288 K = CXCursor_SEHLeaveStmt; 289 break; 290 291 case Stmt::CoroutineBodyStmtClass: 292 case Stmt::CoreturnStmtClass: 293 K = CXCursor_UnexposedStmt; 294 break; 295 296 case Stmt::ArrayTypeTraitExprClass: 297 case Stmt::AsTypeExprClass: 298 case Stmt::AtomicExprClass: 299 case Stmt::BinaryConditionalOperatorClass: 300 case Stmt::TypeTraitExprClass: 301 case Stmt::CoawaitExprClass: 302 case Stmt::ConceptSpecializationExprClass: 303 case Stmt::RequiresExprClass: 304 case Stmt::DependentCoawaitExprClass: 305 case Stmt::CoyieldExprClass: 306 case Stmt::CXXBindTemporaryExprClass: 307 case Stmt::CXXDefaultArgExprClass: 308 case Stmt::CXXDefaultInitExprClass: 309 case Stmt::CXXFoldExprClass: 310 case Stmt::CXXRewrittenBinaryOperatorClass: 311 case Stmt::CXXStdInitializerListExprClass: 312 case Stmt::CXXScalarValueInitExprClass: 313 case Stmt::CXXUuidofExprClass: 314 case Stmt::ChooseExprClass: 315 case Stmt::DesignatedInitExprClass: 316 case Stmt::DesignatedInitUpdateExprClass: 317 case Stmt::ArrayInitLoopExprClass: 318 case Stmt::ArrayInitIndexExprClass: 319 case Stmt::ExprWithCleanupsClass: 320 case Stmt::ExpressionTraitExprClass: 321 case Stmt::ExtVectorElementExprClass: 322 case Stmt::ImplicitCastExprClass: 323 case Stmt::ImplicitValueInitExprClass: 324 case Stmt::NoInitExprClass: 325 case Stmt::MaterializeTemporaryExprClass: 326 case Stmt::ObjCIndirectCopyRestoreExprClass: 327 case Stmt::OffsetOfExprClass: 328 case Stmt::ParenListExprClass: 329 case Stmt::PredefinedExprClass: 330 case Stmt::ShuffleVectorExprClass: 331 case Stmt::SourceLocExprClass: 332 case Stmt::ConvertVectorExprClass: 333 case Stmt::VAArgExprClass: 334 case Stmt::ObjCArrayLiteralClass: 335 case Stmt::ObjCDictionaryLiteralClass: 336 case Stmt::ObjCBoxedExprClass: 337 case Stmt::ObjCSubscriptRefExprClass: 338 case Stmt::RecoveryExprClass: 339 K = CXCursor_UnexposedExpr; 340 break; 341 342 case Stmt::OpaqueValueExprClass: 343 if (Expr *Src = cast<OpaqueValueExpr>(S)->getSourceExpr()) 344 return MakeCXCursor(Src, Parent, TU, RegionOfInterest); 345 K = CXCursor_UnexposedExpr; 346 break; 347 348 case Stmt::PseudoObjectExprClass: 349 return MakeCXCursor(cast<PseudoObjectExpr>(S)->getSyntacticForm(), Parent, 350 TU, RegionOfInterest); 351 352 case Stmt::CompoundStmtClass: 353 K = CXCursor_CompoundStmt; 354 break; 355 356 case Stmt::NullStmtClass: 357 K = CXCursor_NullStmt; 358 break; 359 360 case Stmt::LabelStmtClass: 361 K = CXCursor_LabelStmt; 362 break; 363 364 case Stmt::AttributedStmtClass: 365 K = CXCursor_UnexposedStmt; 366 break; 367 368 case Stmt::DeclStmtClass: 369 K = CXCursor_DeclStmt; 370 break; 371 372 case Stmt::CapturedStmtClass: 373 K = CXCursor_UnexposedStmt; 374 break; 375 376 case Stmt::IntegerLiteralClass: 377 K = CXCursor_IntegerLiteral; 378 break; 379 380 case Stmt::FixedPointLiteralClass: 381 K = CXCursor_FixedPointLiteral; 382 break; 383 384 case Stmt::FloatingLiteralClass: 385 K = CXCursor_FloatingLiteral; 386 break; 387 388 case Stmt::ImaginaryLiteralClass: 389 K = CXCursor_ImaginaryLiteral; 390 break; 391 392 case Stmt::StringLiteralClass: 393 K = CXCursor_StringLiteral; 394 break; 395 396 case Stmt::CharacterLiteralClass: 397 K = CXCursor_CharacterLiteral; 398 break; 399 400 case Stmt::ConstantExprClass: 401 return MakeCXCursor(cast<ConstantExpr>(S)->getSubExpr(), Parent, TU, 402 RegionOfInterest); 403 404 case Stmt::ParenExprClass: 405 K = CXCursor_ParenExpr; 406 break; 407 408 case Stmt::UnaryOperatorClass: 409 K = CXCursor_UnaryOperator; 410 break; 411 412 case Stmt::UnaryExprOrTypeTraitExprClass: 413 case Stmt::CXXNoexceptExprClass: 414 K = CXCursor_UnaryExpr; 415 break; 416 417 case Stmt::MSPropertySubscriptExprClass: 418 case Stmt::ArraySubscriptExprClass: 419 K = CXCursor_ArraySubscriptExpr; 420 break; 421 422 case Stmt::OMPArraySectionExprClass: 423 K = CXCursor_OMPArraySectionExpr; 424 break; 425 426 case Stmt::OMPArrayShapingExprClass: 427 K = CXCursor_OMPArrayShapingExpr; 428 break; 429 430 case Stmt::BinaryOperatorClass: 431 K = CXCursor_BinaryOperator; 432 break; 433 434 case Stmt::CompoundAssignOperatorClass: 435 K = CXCursor_CompoundAssignOperator; 436 break; 437 438 case Stmt::ConditionalOperatorClass: 439 K = CXCursor_ConditionalOperator; 440 break; 441 442 case Stmt::CStyleCastExprClass: 443 K = CXCursor_CStyleCastExpr; 444 break; 445 446 case Stmt::CompoundLiteralExprClass: 447 K = CXCursor_CompoundLiteralExpr; 448 break; 449 450 case Stmt::InitListExprClass: 451 K = CXCursor_InitListExpr; 452 break; 453 454 case Stmt::AddrLabelExprClass: 455 K = CXCursor_AddrLabelExpr; 456 break; 457 458 case Stmt::StmtExprClass: 459 K = CXCursor_StmtExpr; 460 break; 461 462 case Stmt::GenericSelectionExprClass: 463 K = CXCursor_GenericSelectionExpr; 464 break; 465 466 case Stmt::GNUNullExprClass: 467 K = CXCursor_GNUNullExpr; 468 break; 469 470 case Stmt::CXXStaticCastExprClass: 471 K = CXCursor_CXXStaticCastExpr; 472 break; 473 474 case Stmt::CXXDynamicCastExprClass: 475 K = CXCursor_CXXDynamicCastExpr; 476 break; 477 478 case Stmt::CXXReinterpretCastExprClass: 479 K = CXCursor_CXXReinterpretCastExpr; 480 break; 481 482 case Stmt::CXXConstCastExprClass: 483 K = CXCursor_CXXConstCastExpr; 484 break; 485 486 case Stmt::CXXFunctionalCastExprClass: 487 K = CXCursor_CXXFunctionalCastExpr; 488 break; 489 490 case Stmt::CXXTypeidExprClass: 491 K = CXCursor_CXXTypeidExpr; 492 break; 493 494 case Stmt::CXXBoolLiteralExprClass: 495 K = CXCursor_CXXBoolLiteralExpr; 496 break; 497 498 case Stmt::CXXNullPtrLiteralExprClass: 499 K = CXCursor_CXXNullPtrLiteralExpr; 500 break; 501 502 case Stmt::CXXThisExprClass: 503 K = CXCursor_CXXThisExpr; 504 break; 505 506 case Stmt::CXXThrowExprClass: 507 K = CXCursor_CXXThrowExpr; 508 break; 509 510 case Stmt::CXXNewExprClass: 511 K = CXCursor_CXXNewExpr; 512 break; 513 514 case Stmt::CXXDeleteExprClass: 515 K = CXCursor_CXXDeleteExpr; 516 break; 517 518 case Stmt::ObjCStringLiteralClass: 519 K = CXCursor_ObjCStringLiteral; 520 break; 521 522 case Stmt::ObjCEncodeExprClass: 523 K = CXCursor_ObjCEncodeExpr; 524 break; 525 526 case Stmt::ObjCSelectorExprClass: 527 K = CXCursor_ObjCSelectorExpr; 528 break; 529 530 case Stmt::ObjCProtocolExprClass: 531 K = CXCursor_ObjCProtocolExpr; 532 break; 533 534 case Stmt::ObjCBoolLiteralExprClass: 535 K = CXCursor_ObjCBoolLiteralExpr; 536 break; 537 538 case Stmt::ObjCAvailabilityCheckExprClass: 539 K = CXCursor_ObjCAvailabilityCheckExpr; 540 break; 541 542 case Stmt::ObjCBridgedCastExprClass: 543 K = CXCursor_ObjCBridgedCastExpr; 544 break; 545 546 case Stmt::BlockExprClass: 547 K = CXCursor_BlockExpr; 548 break; 549 550 case Stmt::PackExpansionExprClass: 551 K = CXCursor_PackExpansionExpr; 552 break; 553 554 case Stmt::SizeOfPackExprClass: 555 K = CXCursor_SizeOfPackExpr; 556 break; 557 558 case Stmt::DeclRefExprClass: 559 if (const ImplicitParamDecl *IPD = dyn_cast_or_null<ImplicitParamDecl>( 560 cast<DeclRefExpr>(S)->getDecl())) { 561 if (const ObjCMethodDecl *MD = 562 dyn_cast<ObjCMethodDecl>(IPD->getDeclContext())) { 563 if (MD->getSelfDecl() == IPD) { 564 K = CXCursor_ObjCSelfExpr; 565 break; 566 } 567 } 568 } 569 570 K = CXCursor_DeclRefExpr; 571 break; 572 573 case Stmt::DependentScopeDeclRefExprClass: 574 case Stmt::SubstNonTypeTemplateParmExprClass: 575 case Stmt::SubstNonTypeTemplateParmPackExprClass: 576 case Stmt::FunctionParmPackExprClass: 577 case Stmt::UnresolvedLookupExprClass: 578 case Stmt::TypoExprClass: // A typo could actually be a DeclRef or a MemberRef 579 K = CXCursor_DeclRefExpr; 580 break; 581 582 case Stmt::CXXDependentScopeMemberExprClass: 583 case Stmt::CXXPseudoDestructorExprClass: 584 case Stmt::MemberExprClass: 585 case Stmt::MSPropertyRefExprClass: 586 case Stmt::ObjCIsaExprClass: 587 case Stmt::ObjCIvarRefExprClass: 588 case Stmt::ObjCPropertyRefExprClass: 589 case Stmt::UnresolvedMemberExprClass: 590 K = CXCursor_MemberRefExpr; 591 break; 592 593 case Stmt::CallExprClass: 594 case Stmt::CXXOperatorCallExprClass: 595 case Stmt::CXXMemberCallExprClass: 596 case Stmt::CUDAKernelCallExprClass: 597 case Stmt::CXXConstructExprClass: 598 case Stmt::CXXInheritedCtorInitExprClass: 599 case Stmt::CXXTemporaryObjectExprClass: 600 case Stmt::CXXUnresolvedConstructExprClass: 601 case Stmt::UserDefinedLiteralClass: 602 K = CXCursor_CallExpr; 603 break; 604 605 case Stmt::LambdaExprClass: 606 K = CXCursor_LambdaExpr; 607 break; 608 609 case Stmt::ObjCMessageExprClass: { 610 K = CXCursor_ObjCMessageExpr; 611 int SelectorIdIndex = -1; 612 // Check if cursor points to a selector id. 613 if (RegionOfInterest.isValid() && 614 RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) { 615 SmallVector<SourceLocation, 16> SelLocs; 616 cast<ObjCMessageExpr>(S)->getSelectorLocs(SelLocs); 617 SmallVectorImpl<SourceLocation>::iterator I = 618 llvm::find(SelLocs, RegionOfInterest.getBegin()); 619 if (I != SelLocs.end()) 620 SelectorIdIndex = I - SelLocs.begin(); 621 } 622 CXCursor C = {K, 0, {Parent, S, TU}}; 623 return getSelectorIdentifierCursor(SelectorIdIndex, C); 624 } 625 626 case Stmt::MSDependentExistsStmtClass: 627 K = CXCursor_UnexposedStmt; 628 break; 629 case Stmt::OMPParallelDirectiveClass: 630 K = CXCursor_OMPParallelDirective; 631 break; 632 case Stmt::OMPSimdDirectiveClass: 633 K = CXCursor_OMPSimdDirective; 634 break; 635 case Stmt::OMPForDirectiveClass: 636 K = CXCursor_OMPForDirective; 637 break; 638 case Stmt::OMPForSimdDirectiveClass: 639 K = CXCursor_OMPForSimdDirective; 640 break; 641 case Stmt::OMPSectionsDirectiveClass: 642 K = CXCursor_OMPSectionsDirective; 643 break; 644 case Stmt::OMPSectionDirectiveClass: 645 K = CXCursor_OMPSectionDirective; 646 break; 647 case Stmt::OMPSingleDirectiveClass: 648 K = CXCursor_OMPSingleDirective; 649 break; 650 case Stmt::OMPMasterDirectiveClass: 651 K = CXCursor_OMPMasterDirective; 652 break; 653 case Stmt::OMPCriticalDirectiveClass: 654 K = CXCursor_OMPCriticalDirective; 655 break; 656 case Stmt::OMPParallelForDirectiveClass: 657 K = CXCursor_OMPParallelForDirective; 658 break; 659 case Stmt::OMPParallelForSimdDirectiveClass: 660 K = CXCursor_OMPParallelForSimdDirective; 661 break; 662 case Stmt::OMPParallelMasterDirectiveClass: 663 K = CXCursor_OMPParallelMasterDirective; 664 break; 665 case Stmt::OMPParallelSectionsDirectiveClass: 666 K = CXCursor_OMPParallelSectionsDirective; 667 break; 668 case Stmt::OMPTaskDirectiveClass: 669 K = CXCursor_OMPTaskDirective; 670 break; 671 case Stmt::OMPTaskyieldDirectiveClass: 672 K = CXCursor_OMPTaskyieldDirective; 673 break; 674 case Stmt::OMPBarrierDirectiveClass: 675 K = CXCursor_OMPBarrierDirective; 676 break; 677 case Stmt::OMPTaskwaitDirectiveClass: 678 K = CXCursor_OMPTaskwaitDirective; 679 break; 680 case Stmt::OMPTaskgroupDirectiveClass: 681 K = CXCursor_OMPTaskgroupDirective; 682 break; 683 case Stmt::OMPFlushDirectiveClass: 684 K = CXCursor_OMPFlushDirective; 685 break; 686 case Stmt::OMPDepobjDirectiveClass: 687 K = CXCursor_OMPDepobjDirective; 688 break; 689 case Stmt::OMPScanDirectiveClass: 690 K = CXCursor_OMPScanDirective; 691 break; 692 case Stmt::OMPOrderedDirectiveClass: 693 K = CXCursor_OMPOrderedDirective; 694 break; 695 case Stmt::OMPAtomicDirectiveClass: 696 K = CXCursor_OMPAtomicDirective; 697 break; 698 case Stmt::OMPTargetDirectiveClass: 699 K = CXCursor_OMPTargetDirective; 700 break; 701 case Stmt::OMPTargetDataDirectiveClass: 702 K = CXCursor_OMPTargetDataDirective; 703 break; 704 case Stmt::OMPTargetEnterDataDirectiveClass: 705 K = CXCursor_OMPTargetEnterDataDirective; 706 break; 707 case Stmt::OMPTargetExitDataDirectiveClass: 708 K = CXCursor_OMPTargetExitDataDirective; 709 break; 710 case Stmt::OMPTargetParallelDirectiveClass: 711 K = CXCursor_OMPTargetParallelDirective; 712 break; 713 case Stmt::OMPTargetParallelForDirectiveClass: 714 K = CXCursor_OMPTargetParallelForDirective; 715 break; 716 case Stmt::OMPTargetUpdateDirectiveClass: 717 K = CXCursor_OMPTargetUpdateDirective; 718 break; 719 case Stmt::OMPTeamsDirectiveClass: 720 K = CXCursor_OMPTeamsDirective; 721 break; 722 case Stmt::OMPCancellationPointDirectiveClass: 723 K = CXCursor_OMPCancellationPointDirective; 724 break; 725 case Stmt::OMPCancelDirectiveClass: 726 K = CXCursor_OMPCancelDirective; 727 break; 728 case Stmt::OMPTaskLoopDirectiveClass: 729 K = CXCursor_OMPTaskLoopDirective; 730 break; 731 case Stmt::OMPTaskLoopSimdDirectiveClass: 732 K = CXCursor_OMPTaskLoopSimdDirective; 733 break; 734 case Stmt::OMPMasterTaskLoopDirectiveClass: 735 K = CXCursor_OMPMasterTaskLoopDirective; 736 break; 737 case Stmt::OMPMasterTaskLoopSimdDirectiveClass: 738 K = CXCursor_OMPMasterTaskLoopSimdDirective; 739 break; 740 case Stmt::OMPParallelMasterTaskLoopDirectiveClass: 741 K = CXCursor_OMPParallelMasterTaskLoopDirective; 742 break; 743 case Stmt::OMPParallelMasterTaskLoopSimdDirectiveClass: 744 K = CXCursor_OMPParallelMasterTaskLoopSimdDirective; 745 break; 746 case Stmt::OMPDistributeDirectiveClass: 747 K = CXCursor_OMPDistributeDirective; 748 break; 749 case Stmt::OMPDistributeParallelForDirectiveClass: 750 K = CXCursor_OMPDistributeParallelForDirective; 751 break; 752 case Stmt::OMPDistributeParallelForSimdDirectiveClass: 753 K = CXCursor_OMPDistributeParallelForSimdDirective; 754 break; 755 case Stmt::OMPDistributeSimdDirectiveClass: 756 K = CXCursor_OMPDistributeSimdDirective; 757 break; 758 case Stmt::OMPTargetParallelForSimdDirectiveClass: 759 K = CXCursor_OMPTargetParallelForSimdDirective; 760 break; 761 case Stmt::OMPTargetSimdDirectiveClass: 762 K = CXCursor_OMPTargetSimdDirective; 763 break; 764 case Stmt::OMPTeamsDistributeDirectiveClass: 765 K = CXCursor_OMPTeamsDistributeDirective; 766 break; 767 case Stmt::OMPTeamsDistributeSimdDirectiveClass: 768 K = CXCursor_OMPTeamsDistributeSimdDirective; 769 break; 770 case Stmt::OMPTeamsDistributeParallelForSimdDirectiveClass: 771 K = CXCursor_OMPTeamsDistributeParallelForSimdDirective; 772 break; 773 case Stmt::OMPTeamsDistributeParallelForDirectiveClass: 774 K = CXCursor_OMPTeamsDistributeParallelForDirective; 775 break; 776 case Stmt::OMPTargetTeamsDirectiveClass: 777 K = CXCursor_OMPTargetTeamsDirective; 778 break; 779 case Stmt::OMPTargetTeamsDistributeDirectiveClass: 780 K = CXCursor_OMPTargetTeamsDistributeDirective; 781 break; 782 case Stmt::OMPTargetTeamsDistributeParallelForDirectiveClass: 783 K = CXCursor_OMPTargetTeamsDistributeParallelForDirective; 784 break; 785 case Stmt::OMPTargetTeamsDistributeParallelForSimdDirectiveClass: 786 K = CXCursor_OMPTargetTeamsDistributeParallelForSimdDirective; 787 break; 788 case Stmt::OMPTargetTeamsDistributeSimdDirectiveClass: 789 K = CXCursor_OMPTargetTeamsDistributeSimdDirective; 790 break; 791 case Stmt::BuiltinBitCastExprClass: 792 K = CXCursor_BuiltinBitCastExpr; 793 } 794 795 CXCursor C = {K, 0, {Parent, S, TU}}; 796 return C; 797 } 798 799 CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super, 800 SourceLocation Loc, 801 CXTranslationUnit TU) { 802 assert(Super && TU && "Invalid arguments!"); 803 void *RawLoc = Loc.getPtrEncoding(); 804 CXCursor C = {CXCursor_ObjCSuperClassRef, 0, {Super, RawLoc, TU}}; 805 return C; 806 } 807 808 std::pair<const ObjCInterfaceDecl *, SourceLocation> 809 cxcursor::getCursorObjCSuperClassRef(CXCursor C) { 810 assert(C.kind == CXCursor_ObjCSuperClassRef); 811 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 812 SourceLocation::getFromPtrEncoding(C.data[1])); 813 } 814 815 CXCursor cxcursor::MakeCursorObjCProtocolRef(const ObjCProtocolDecl *Proto, 816 SourceLocation Loc, 817 CXTranslationUnit TU) { 818 assert(Proto && TU && "Invalid arguments!"); 819 void *RawLoc = Loc.getPtrEncoding(); 820 CXCursor C = {CXCursor_ObjCProtocolRef, 0, {Proto, RawLoc, TU}}; 821 return C; 822 } 823 824 std::pair<const ObjCProtocolDecl *, SourceLocation> 825 cxcursor::getCursorObjCProtocolRef(CXCursor C) { 826 assert(C.kind == CXCursor_ObjCProtocolRef); 827 return std::make_pair(static_cast<const ObjCProtocolDecl *>(C.data[0]), 828 SourceLocation::getFromPtrEncoding(C.data[1])); 829 } 830 831 CXCursor cxcursor::MakeCursorObjCClassRef(const ObjCInterfaceDecl *Class, 832 SourceLocation Loc, 833 CXTranslationUnit TU) { 834 // 'Class' can be null for invalid code. 835 if (!Class) 836 return MakeCXCursorInvalid(CXCursor_InvalidCode); 837 assert(TU && "Invalid arguments!"); 838 void *RawLoc = Loc.getPtrEncoding(); 839 CXCursor C = {CXCursor_ObjCClassRef, 0, {Class, RawLoc, TU}}; 840 return C; 841 } 842 843 std::pair<const ObjCInterfaceDecl *, SourceLocation> 844 cxcursor::getCursorObjCClassRef(CXCursor C) { 845 assert(C.kind == CXCursor_ObjCClassRef); 846 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 847 SourceLocation::getFromPtrEncoding(C.data[1])); 848 } 849 850 CXCursor cxcursor::MakeCursorTypeRef(const TypeDecl *Type, SourceLocation Loc, 851 CXTranslationUnit TU) { 852 assert(Type && TU && "Invalid arguments!"); 853 void *RawLoc = Loc.getPtrEncoding(); 854 CXCursor C = {CXCursor_TypeRef, 0, {Type, RawLoc, TU}}; 855 return C; 856 } 857 858 std::pair<const TypeDecl *, SourceLocation> 859 cxcursor::getCursorTypeRef(CXCursor C) { 860 assert(C.kind == CXCursor_TypeRef); 861 return std::make_pair(static_cast<const TypeDecl *>(C.data[0]), 862 SourceLocation::getFromPtrEncoding(C.data[1])); 863 } 864 865 CXCursor cxcursor::MakeCursorTemplateRef(const TemplateDecl *Template, 866 SourceLocation Loc, 867 CXTranslationUnit TU) { 868 assert(Template && TU && "Invalid arguments!"); 869 void *RawLoc = Loc.getPtrEncoding(); 870 CXCursor C = {CXCursor_TemplateRef, 0, {Template, RawLoc, TU}}; 871 return C; 872 } 873 874 std::pair<const TemplateDecl *, SourceLocation> 875 cxcursor::getCursorTemplateRef(CXCursor C) { 876 assert(C.kind == CXCursor_TemplateRef); 877 return std::make_pair(static_cast<const TemplateDecl *>(C.data[0]), 878 SourceLocation::getFromPtrEncoding(C.data[1])); 879 } 880 881 CXCursor cxcursor::MakeCursorNamespaceRef(const NamedDecl *NS, 882 SourceLocation Loc, 883 CXTranslationUnit TU) { 884 885 assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU && 886 "Invalid arguments!"); 887 void *RawLoc = Loc.getPtrEncoding(); 888 CXCursor C = {CXCursor_NamespaceRef, 0, {NS, RawLoc, TU}}; 889 return C; 890 } 891 892 std::pair<const NamedDecl *, SourceLocation> 893 cxcursor::getCursorNamespaceRef(CXCursor C) { 894 assert(C.kind == CXCursor_NamespaceRef); 895 return std::make_pair(static_cast<const NamedDecl *>(C.data[0]), 896 SourceLocation::getFromPtrEncoding(C.data[1])); 897 } 898 899 CXCursor cxcursor::MakeCursorVariableRef(const VarDecl *Var, SourceLocation Loc, 900 CXTranslationUnit TU) { 901 902 assert(Var && TU && "Invalid arguments!"); 903 void *RawLoc = Loc.getPtrEncoding(); 904 CXCursor C = {CXCursor_VariableRef, 0, {Var, RawLoc, TU}}; 905 return C; 906 } 907 908 std::pair<const VarDecl *, SourceLocation> 909 cxcursor::getCursorVariableRef(CXCursor C) { 910 assert(C.kind == CXCursor_VariableRef); 911 return std::make_pair(static_cast<const VarDecl *>(C.data[0]), 912 SourceLocation::getFromPtrEncoding(C.data[1])); 913 } 914 915 CXCursor cxcursor::MakeCursorMemberRef(const FieldDecl *Field, 916 SourceLocation Loc, 917 CXTranslationUnit TU) { 918 919 assert(Field && TU && "Invalid arguments!"); 920 void *RawLoc = Loc.getPtrEncoding(); 921 CXCursor C = {CXCursor_MemberRef, 0, {Field, RawLoc, TU}}; 922 return C; 923 } 924 925 std::pair<const FieldDecl *, SourceLocation> 926 cxcursor::getCursorMemberRef(CXCursor C) { 927 assert(C.kind == CXCursor_MemberRef); 928 return std::make_pair(static_cast<const FieldDecl *>(C.data[0]), 929 SourceLocation::getFromPtrEncoding(C.data[1])); 930 } 931 932 CXCursor cxcursor::MakeCursorCXXBaseSpecifier(const CXXBaseSpecifier *B, 933 CXTranslationUnit TU) { 934 CXCursor C = {CXCursor_CXXBaseSpecifier, 0, {B, nullptr, TU}}; 935 return C; 936 } 937 938 const CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) { 939 assert(C.kind == CXCursor_CXXBaseSpecifier); 940 return static_cast<const CXXBaseSpecifier *>(C.data[0]); 941 } 942 943 CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range, 944 CXTranslationUnit TU) { 945 CXCursor C = { 946 CXCursor_PreprocessingDirective, 947 0, 948 {Range.getBegin().getPtrEncoding(), Range.getEnd().getPtrEncoding(), TU}}; 949 return C; 950 } 951 952 SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) { 953 assert(C.kind == CXCursor_PreprocessingDirective); 954 SourceRange Range(SourceLocation::getFromPtrEncoding(C.data[0]), 955 SourceLocation::getFromPtrEncoding(C.data[1])); 956 ASTUnit *TU = getCursorASTUnit(C); 957 return TU->mapRangeFromPreamble(Range); 958 } 959 960 CXCursor cxcursor::MakeMacroDefinitionCursor(const MacroDefinitionRecord *MI, 961 CXTranslationUnit TU) { 962 CXCursor C = {CXCursor_MacroDefinition, 0, {MI, nullptr, TU}}; 963 return C; 964 } 965 966 const MacroDefinitionRecord *cxcursor::getCursorMacroDefinition(CXCursor C) { 967 assert(C.kind == CXCursor_MacroDefinition); 968 return static_cast<const MacroDefinitionRecord *>(C.data[0]); 969 } 970 971 CXCursor cxcursor::MakeMacroExpansionCursor(MacroExpansion *MI, 972 CXTranslationUnit TU) { 973 CXCursor C = {CXCursor_MacroExpansion, 0, {MI, nullptr, TU}}; 974 return C; 975 } 976 977 CXCursor cxcursor::MakeMacroExpansionCursor(MacroDefinitionRecord *MI, 978 SourceLocation Loc, 979 CXTranslationUnit TU) { 980 assert(Loc.isValid()); 981 CXCursor C = {CXCursor_MacroExpansion, 0, {MI, Loc.getPtrEncoding(), TU}}; 982 return C; 983 } 984 985 const IdentifierInfo *cxcursor::MacroExpansionCursor::getName() const { 986 if (isPseudo()) 987 return getAsMacroDefinition()->getName(); 988 return getAsMacroExpansion()->getName(); 989 } 990 const MacroDefinitionRecord * 991 cxcursor::MacroExpansionCursor::getDefinition() const { 992 if (isPseudo()) 993 return getAsMacroDefinition(); 994 return getAsMacroExpansion()->getDefinition(); 995 } 996 SourceRange cxcursor::MacroExpansionCursor::getSourceRange() const { 997 if (isPseudo()) 998 return getPseudoLoc(); 999 return getAsMacroExpansion()->getSourceRange(); 1000 } 1001 1002 CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID, 1003 CXTranslationUnit TU) { 1004 CXCursor C = {CXCursor_InclusionDirective, 0, {ID, nullptr, TU}}; 1005 return C; 1006 } 1007 1008 const InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) { 1009 assert(C.kind == CXCursor_InclusionDirective); 1010 return static_cast<const InclusionDirective *>(C.data[0]); 1011 } 1012 1013 CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc, 1014 CXTranslationUnit TU) { 1015 1016 assert(Label && TU && "Invalid arguments!"); 1017 void *RawLoc = Loc.getPtrEncoding(); 1018 CXCursor C = {CXCursor_LabelRef, 0, {Label, RawLoc, TU}}; 1019 return C; 1020 } 1021 1022 std::pair<const LabelStmt *, SourceLocation> 1023 cxcursor::getCursorLabelRef(CXCursor C) { 1024 assert(C.kind == CXCursor_LabelRef); 1025 return std::make_pair(static_cast<const LabelStmt *>(C.data[0]), 1026 SourceLocation::getFromPtrEncoding(C.data[1])); 1027 } 1028 1029 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const OverloadExpr *E, 1030 CXTranslationUnit TU) { 1031 assert(E && TU && "Invalid arguments!"); 1032 OverloadedDeclRefStorage Storage(E); 1033 void *RawLoc = E->getNameLoc().getPtrEncoding(); 1034 CXCursor C = { 1035 CXCursor_OverloadedDeclRef, 0, {Storage.getOpaqueValue(), RawLoc, TU}}; 1036 return C; 1037 } 1038 1039 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const Decl *D, 1040 SourceLocation Loc, 1041 CXTranslationUnit TU) { 1042 assert(D && TU && "Invalid arguments!"); 1043 void *RawLoc = Loc.getPtrEncoding(); 1044 OverloadedDeclRefStorage Storage(D); 1045 CXCursor C = { 1046 CXCursor_OverloadedDeclRef, 0, {Storage.getOpaqueValue(), RawLoc, TU}}; 1047 return C; 1048 } 1049 1050 CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name, 1051 SourceLocation Loc, 1052 CXTranslationUnit TU) { 1053 assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!"); 1054 void *RawLoc = Loc.getPtrEncoding(); 1055 OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate()); 1056 CXCursor C = { 1057 CXCursor_OverloadedDeclRef, 0, {Storage.getOpaqueValue(), RawLoc, TU}}; 1058 return C; 1059 } 1060 1061 std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation> 1062 cxcursor::getCursorOverloadedDeclRef(CXCursor C) { 1063 assert(C.kind == CXCursor_OverloadedDeclRef); 1064 return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue( 1065 const_cast<void *>(C.data[0])), 1066 SourceLocation::getFromPtrEncoding(C.data[1])); 1067 } 1068 1069 const Decl *cxcursor::getCursorDecl(CXCursor Cursor) { 1070 return static_cast<const Decl *>(Cursor.data[0]); 1071 } 1072 1073 const Expr *cxcursor::getCursorExpr(CXCursor Cursor) { 1074 return dyn_cast_or_null<Expr>(getCursorStmt(Cursor)); 1075 } 1076 1077 const Stmt *cxcursor::getCursorStmt(CXCursor Cursor) { 1078 if (Cursor.kind == CXCursor_ObjCSuperClassRef || 1079 Cursor.kind == CXCursor_ObjCProtocolRef || 1080 Cursor.kind == CXCursor_ObjCClassRef) 1081 return nullptr; 1082 1083 return static_cast<const Stmt *>(Cursor.data[1]); 1084 } 1085 1086 const Attr *cxcursor::getCursorAttr(CXCursor Cursor) { 1087 return static_cast<const Attr *>(Cursor.data[1]); 1088 } 1089 1090 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { 1091 return getCursorASTUnit(Cursor)->getASTContext(); 1092 } 1093 1094 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { 1095 CXTranslationUnit TU = getCursorTU(Cursor); 1096 if (!TU) 1097 return nullptr; 1098 return cxtu::getASTUnit(TU); 1099 } 1100 1101 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { 1102 return static_cast<CXTranslationUnit>(const_cast<void *>(Cursor.data[2])); 1103 } 1104 1105 void cxcursor::getOverriddenCursors(CXCursor cursor, 1106 SmallVectorImpl<CXCursor> &overridden) { 1107 assert(clang_isDeclaration(cursor.kind)); 1108 const NamedDecl *D = dyn_cast_or_null<NamedDecl>(getCursorDecl(cursor)); 1109 if (!D) 1110 return; 1111 1112 CXTranslationUnit TU = getCursorTU(cursor); 1113 SmallVector<const NamedDecl *, 8> OverDecls; 1114 D->getASTContext().getOverriddenMethods(D, OverDecls); 1115 1116 for (SmallVectorImpl<const NamedDecl *>::iterator I = OverDecls.begin(), 1117 E = OverDecls.end(); 1118 I != E; ++I) { 1119 overridden.push_back(MakeCXCursor(*I, TU)); 1120 } 1121 } 1122 1123 std::pair<int, SourceLocation> 1124 cxcursor::getSelectorIdentifierIndexAndLoc(CXCursor cursor) { 1125 if (cursor.kind == CXCursor_ObjCMessageExpr) { 1126 if (cursor.xdata != -1) 1127 return std::make_pair(cursor.xdata, 1128 cast<ObjCMessageExpr>(getCursorExpr(cursor)) 1129 ->getSelectorLoc(cursor.xdata)); 1130 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 1131 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 1132 if (cursor.xdata != -1) 1133 return std::make_pair(cursor.xdata, 1134 cast<ObjCMethodDecl>(getCursorDecl(cursor)) 1135 ->getSelectorLoc(cursor.xdata)); 1136 } 1137 1138 return std::make_pair(-1, SourceLocation()); 1139 } 1140 1141 CXCursor cxcursor::getSelectorIdentifierCursor(int SelIdx, CXCursor cursor) { 1142 CXCursor newCursor = cursor; 1143 1144 if (cursor.kind == CXCursor_ObjCMessageExpr) { 1145 if (SelIdx == -1 || 1146 unsigned(SelIdx) >= 1147 cast<ObjCMessageExpr>(getCursorExpr(cursor))->getNumSelectorLocs()) 1148 newCursor.xdata = -1; 1149 else 1150 newCursor.xdata = SelIdx; 1151 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 1152 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 1153 if (SelIdx == -1 || 1154 unsigned(SelIdx) >= 1155 cast<ObjCMethodDecl>(getCursorDecl(cursor))->getNumSelectorLocs()) 1156 newCursor.xdata = -1; 1157 else 1158 newCursor.xdata = SelIdx; 1159 } 1160 1161 return newCursor; 1162 } 1163 1164 CXCursor cxcursor::getTypeRefCursor(CXCursor cursor) { 1165 if (cursor.kind != CXCursor_CallExpr) 1166 return cursor; 1167 1168 if (cursor.xdata == 0) 1169 return cursor; 1170 1171 const Expr *E = getCursorExpr(cursor); 1172 TypeSourceInfo *Type = nullptr; 1173 if (const CXXUnresolvedConstructExpr *UnCtor = 1174 dyn_cast<CXXUnresolvedConstructExpr>(E)) { 1175 Type = UnCtor->getTypeSourceInfo(); 1176 } else if (const CXXTemporaryObjectExpr *Tmp = 1177 dyn_cast<CXXTemporaryObjectExpr>(E)) { 1178 Type = Tmp->getTypeSourceInfo(); 1179 } 1180 1181 if (!Type) 1182 return cursor; 1183 1184 CXTranslationUnit TU = getCursorTU(cursor); 1185 QualType Ty = Type->getType(); 1186 TypeLoc TL = Type->getTypeLoc(); 1187 SourceLocation Loc = TL.getBeginLoc(); 1188 1189 if (const ElaboratedType *ElabT = Ty->getAs<ElaboratedType>()) { 1190 Ty = ElabT->getNamedType(); 1191 ElaboratedTypeLoc ElabTL = TL.castAs<ElaboratedTypeLoc>(); 1192 Loc = ElabTL.getNamedTypeLoc().getBeginLoc(); 1193 } 1194 1195 if (const TypedefType *Typedef = Ty->getAs<TypedefType>()) 1196 return MakeCursorTypeRef(Typedef->getDecl(), Loc, TU); 1197 if (const TagType *Tag = Ty->getAs<TagType>()) 1198 return MakeCursorTypeRef(Tag->getDecl(), Loc, TU); 1199 if (const TemplateTypeParmType *TemplP = Ty->getAs<TemplateTypeParmType>()) 1200 return MakeCursorTypeRef(TemplP->getDecl(), Loc, TU); 1201 1202 return cursor; 1203 } 1204 1205 bool cxcursor::operator==(CXCursor X, CXCursor Y) { 1206 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && 1207 X.data[2] == Y.data[2]; 1208 } 1209 1210 // FIXME: Remove once we can model DeclGroups and their appropriate ranges 1211 // properly in the ASTs. 1212 bool cxcursor::isFirstInDeclGroup(CXCursor C) { 1213 assert(clang_isDeclaration(C.kind)); 1214 return ((uintptr_t)(C.data[1])) != 0; 1215 } 1216 1217 //===----------------------------------------------------------------------===// 1218 // libclang CXCursor APIs 1219 //===----------------------------------------------------------------------===// 1220 1221 int clang_Cursor_isNull(CXCursor cursor) { 1222 return clang_equalCursors(cursor, clang_getNullCursor()); 1223 } 1224 1225 CXTranslationUnit clang_Cursor_getTranslationUnit(CXCursor cursor) { 1226 return getCursorTU(cursor); 1227 } 1228 1229 int clang_Cursor_getNumArguments(CXCursor C) { 1230 if (clang_isDeclaration(C.kind)) { 1231 const Decl *D = cxcursor::getCursorDecl(C); 1232 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) 1233 return MD->param_size(); 1234 if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) 1235 return FD->param_size(); 1236 } 1237 1238 if (clang_isExpression(C.kind)) { 1239 const Expr *E = cxcursor::getCursorExpr(C); 1240 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1241 return CE->getNumArgs(); 1242 } 1243 if (const CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E)) { 1244 return CE->getNumArgs(); 1245 } 1246 } 1247 1248 return -1; 1249 } 1250 1251 CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i) { 1252 if (clang_isDeclaration(C.kind)) { 1253 const Decl *D = cxcursor::getCursorDecl(C); 1254 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) { 1255 if (i < MD->param_size()) 1256 return cxcursor::MakeCXCursor(MD->parameters()[i], 1257 cxcursor::getCursorTU(C)); 1258 } else if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) { 1259 if (i < FD->param_size()) 1260 return cxcursor::MakeCXCursor(FD->parameters()[i], 1261 cxcursor::getCursorTU(C)); 1262 } 1263 } 1264 1265 if (clang_isExpression(C.kind)) { 1266 const Expr *E = cxcursor::getCursorExpr(C); 1267 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1268 if (i < CE->getNumArgs()) { 1269 return cxcursor::MakeCXCursor(CE->getArg(i), getCursorDecl(C), 1270 cxcursor::getCursorTU(C)); 1271 } 1272 } 1273 if (const CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E)) { 1274 if (i < CE->getNumArgs()) { 1275 return cxcursor::MakeCXCursor(CE->getArg(i), getCursorDecl(C), 1276 cxcursor::getCursorTU(C)); 1277 } 1278 } 1279 } 1280 1281 return clang_getNullCursor(); 1282 } 1283 1284 int clang_Cursor_getNumTemplateArguments(CXCursor C) { 1285 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1286 return -1; 1287 } 1288 1289 const FunctionDecl *FD = 1290 llvm::dyn_cast_or_null<clang::FunctionDecl>(getCursorDecl(C)); 1291 if (!FD) { 1292 return -1; 1293 } 1294 1295 const FunctionTemplateSpecializationInfo *SpecInfo = 1296 FD->getTemplateSpecializationInfo(); 1297 if (!SpecInfo) { 1298 return -1; 1299 } 1300 1301 return SpecInfo->TemplateArguments->size(); 1302 } 1303 1304 enum CXGetTemplateArgumentStatus { 1305 /** The operation completed successfully */ 1306 CXGetTemplateArgumentStatus_Success = 0, 1307 1308 /** The specified cursor did not represent a FunctionDecl. */ 1309 CXGetTemplateArgumentStatus_CursorNotFunctionDecl = -1, 1310 1311 /** The specified cursor was not castable to a FunctionDecl. */ 1312 CXGetTemplateArgumentStatus_BadFunctionDeclCast = -2, 1313 1314 /** A NULL FunctionTemplateSpecializationInfo was retrieved. */ 1315 CXGetTemplateArgumentStatus_NullTemplSpecInfo = -3, 1316 1317 /** An invalid (OOB) argument index was specified */ 1318 CXGetTemplateArgumentStatus_InvalidIndex = -4 1319 }; 1320 1321 static int clang_Cursor_getTemplateArgument(CXCursor C, unsigned I, 1322 TemplateArgument *TA) { 1323 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1324 return CXGetTemplateArgumentStatus_CursorNotFunctionDecl; 1325 } 1326 1327 const FunctionDecl *FD = 1328 llvm::dyn_cast_or_null<clang::FunctionDecl>(getCursorDecl(C)); 1329 if (!FD) { 1330 return CXGetTemplateArgumentStatus_BadFunctionDeclCast; 1331 } 1332 1333 const FunctionTemplateSpecializationInfo *SpecInfo = 1334 FD->getTemplateSpecializationInfo(); 1335 if (!SpecInfo) { 1336 return CXGetTemplateArgumentStatus_NullTemplSpecInfo; 1337 } 1338 1339 if (I >= SpecInfo->TemplateArguments->size()) { 1340 return CXGetTemplateArgumentStatus_InvalidIndex; 1341 } 1342 1343 *TA = SpecInfo->TemplateArguments->get(I); 1344 return 0; 1345 } 1346 1347 enum CXTemplateArgumentKind clang_Cursor_getTemplateArgumentKind(CXCursor C, 1348 unsigned I) { 1349 TemplateArgument TA; 1350 if (clang_Cursor_getTemplateArgument(C, I, &TA)) { 1351 return CXTemplateArgumentKind_Invalid; 1352 } 1353 1354 switch (TA.getKind()) { 1355 case TemplateArgument::Null: 1356 return CXTemplateArgumentKind_Null; 1357 case TemplateArgument::Type: 1358 return CXTemplateArgumentKind_Type; 1359 case TemplateArgument::Declaration: 1360 return CXTemplateArgumentKind_Declaration; 1361 case TemplateArgument::NullPtr: 1362 return CXTemplateArgumentKind_NullPtr; 1363 case TemplateArgument::Integral: 1364 return CXTemplateArgumentKind_Integral; 1365 case TemplateArgument::Template: 1366 return CXTemplateArgumentKind_Template; 1367 case TemplateArgument::TemplateExpansion: 1368 return CXTemplateArgumentKind_TemplateExpansion; 1369 case TemplateArgument::Expression: 1370 return CXTemplateArgumentKind_Expression; 1371 case TemplateArgument::Pack: 1372 return CXTemplateArgumentKind_Pack; 1373 } 1374 1375 return CXTemplateArgumentKind_Invalid; 1376 } 1377 1378 CXType clang_Cursor_getTemplateArgumentType(CXCursor C, unsigned I) { 1379 TemplateArgument TA; 1380 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1381 CXGetTemplateArgumentStatus_Success) { 1382 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1383 } 1384 1385 if (TA.getKind() != TemplateArgument::Type) { 1386 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1387 } 1388 1389 return cxtype::MakeCXType(TA.getAsType(), getCursorTU(C)); 1390 } 1391 1392 long long clang_Cursor_getTemplateArgumentValue(CXCursor C, unsigned I) { 1393 TemplateArgument TA; 1394 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1395 CXGetTemplateArgumentStatus_Success) { 1396 assert(0 && "Unable to retrieve TemplateArgument"); 1397 return 0; 1398 } 1399 1400 if (TA.getKind() != TemplateArgument::Integral) { 1401 assert(0 && "Passed template argument is not Integral"); 1402 return 0; 1403 } 1404 1405 return TA.getAsIntegral().getSExtValue(); 1406 } 1407 1408 unsigned long long clang_Cursor_getTemplateArgumentUnsignedValue(CXCursor C, 1409 unsigned I) { 1410 TemplateArgument TA; 1411 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1412 CXGetTemplateArgumentStatus_Success) { 1413 assert(0 && "Unable to retrieve TemplateArgument"); 1414 return 0; 1415 } 1416 1417 if (TA.getKind() != TemplateArgument::Integral) { 1418 assert(0 && "Passed template argument is not Integral"); 1419 return 0; 1420 } 1421 1422 return TA.getAsIntegral().getZExtValue(); 1423 } 1424 1425 //===----------------------------------------------------------------------===// 1426 // CXCursorSet. 1427 //===----------------------------------------------------------------------===// 1428 1429 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; 1430 1431 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { 1432 return (CXCursorSet)setImpl; 1433 } 1434 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { 1435 return (CXCursorSet_Impl *)set; 1436 } 1437 namespace llvm { 1438 template <> struct DenseMapInfo<CXCursor> { 1439 public: 1440 static inline CXCursor getEmptyKey() { 1441 return MakeCXCursorInvalid(CXCursor_InvalidFile); 1442 } 1443 static inline CXCursor getTombstoneKey() { 1444 return MakeCXCursorInvalid(CXCursor_NoDeclFound); 1445 } 1446 static inline unsigned getHashValue(const CXCursor &cursor) { 1447 return llvm::DenseMapInfo<std::pair<const void *, const void *>>:: 1448 getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); 1449 } 1450 static inline bool isEqual(const CXCursor &x, const CXCursor &y) { 1451 return x.kind == y.kind && x.data[0] == y.data[0] && x.data[1] == y.data[1]; 1452 } 1453 }; 1454 } // namespace llvm 1455 1456 CXCursorSet clang_createCXCursorSet() { 1457 return packCXCursorSet(new CXCursorSet_Impl()); 1458 } 1459 1460 void clang_disposeCXCursorSet(CXCursorSet set) { 1461 delete unpackCXCursorSet(set); 1462 } 1463 1464 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { 1465 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1466 if (!setImpl) 1467 return 0; 1468 return setImpl->find(cursor) != setImpl->end(); 1469 } 1470 1471 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { 1472 // Do not insert invalid cursors into the set. 1473 if (cursor.kind >= CXCursor_FirstInvalid && 1474 cursor.kind <= CXCursor_LastInvalid) 1475 return 1; 1476 1477 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1478 if (!setImpl) 1479 return 1; 1480 unsigned &entry = (*setImpl)[cursor]; 1481 unsigned flag = entry == 0 ? 1 : 0; 1482 entry = 1; 1483 return flag; 1484 } 1485 1486 CXCompletionString clang_getCursorCompletionString(CXCursor cursor) { 1487 enum CXCursorKind kind = clang_getCursorKind(cursor); 1488 if (clang_isDeclaration(kind)) { 1489 const Decl *decl = getCursorDecl(cursor); 1490 if (const NamedDecl *namedDecl = dyn_cast_or_null<NamedDecl>(decl)) { 1491 ASTUnit *unit = getCursorASTUnit(cursor); 1492 CodeCompletionResult Result(namedDecl, CCP_Declaration); 1493 CodeCompletionString *String = Result.CreateCodeCompletionString( 1494 unit->getASTContext(), unit->getPreprocessor(), 1495 CodeCompletionContext::CCC_Other, 1496 unit->getCodeCompletionTUInfo().getAllocator(), 1497 unit->getCodeCompletionTUInfo(), true); 1498 return String; 1499 } 1500 } else if (kind == CXCursor_MacroDefinition) { 1501 const MacroDefinitionRecord *definition = getCursorMacroDefinition(cursor); 1502 const IdentifierInfo *Macro = definition->getName(); 1503 ASTUnit *unit = getCursorASTUnit(cursor); 1504 CodeCompletionResult Result( 1505 Macro, 1506 unit->getPreprocessor().getMacroDefinition(Macro).getMacroInfo()); 1507 CodeCompletionString *String = Result.CreateCodeCompletionString( 1508 unit->getASTContext(), unit->getPreprocessor(), 1509 CodeCompletionContext::CCC_Other, 1510 unit->getCodeCompletionTUInfo().getAllocator(), 1511 unit->getCodeCompletionTUInfo(), false); 1512 return String; 1513 } 1514 return nullptr; 1515 } 1516 1517 namespace { 1518 struct OverridenCursorsPool { 1519 typedef SmallVector<CXCursor, 2> CursorVec; 1520 std::vector<CursorVec *> AllCursors; 1521 std::vector<CursorVec *> AvailableCursors; 1522 1523 ~OverridenCursorsPool() { 1524 for (std::vector<CursorVec *>::iterator I = AllCursors.begin(), 1525 E = AllCursors.end(); 1526 I != E; ++I) { 1527 delete *I; 1528 } 1529 } 1530 }; 1531 } // namespace 1532 1533 void *cxcursor::createOverridenCXCursorsPool() { 1534 return new OverridenCursorsPool(); 1535 } 1536 1537 void cxcursor::disposeOverridenCXCursorsPool(void *pool) { 1538 delete static_cast<OverridenCursorsPool *>(pool); 1539 } 1540 1541 void clang_getOverriddenCursors(CXCursor cursor, CXCursor **overridden, 1542 unsigned *num_overridden) { 1543 if (overridden) 1544 *overridden = nullptr; 1545 if (num_overridden) 1546 *num_overridden = 0; 1547 1548 CXTranslationUnit TU = cxcursor::getCursorTU(cursor); 1549 1550 if (!overridden || !num_overridden || !TU) 1551 return; 1552 1553 if (!clang_isDeclaration(cursor.kind)) 1554 return; 1555 1556 OverridenCursorsPool &pool = 1557 *static_cast<OverridenCursorsPool *>(TU->OverridenCursorsPool); 1558 1559 OverridenCursorsPool::CursorVec *Vec = nullptr; 1560 1561 if (!pool.AvailableCursors.empty()) { 1562 Vec = pool.AvailableCursors.back(); 1563 pool.AvailableCursors.pop_back(); 1564 } else { 1565 Vec = new OverridenCursorsPool::CursorVec(); 1566 pool.AllCursors.push_back(Vec); 1567 } 1568 1569 // Clear out the vector, but don't free the memory contents. This 1570 // reduces malloc() traffic. 1571 Vec->clear(); 1572 1573 // Use the first entry to contain a back reference to the vector. 1574 // This is a complete hack. 1575 CXCursor backRefCursor = MakeCXCursorInvalid(CXCursor_InvalidFile, TU); 1576 backRefCursor.data[0] = Vec; 1577 assert(cxcursor::getCursorTU(backRefCursor) == TU); 1578 Vec->push_back(backRefCursor); 1579 1580 // Get the overridden cursors. 1581 cxcursor::getOverriddenCursors(cursor, *Vec); 1582 1583 // Did we get any overridden cursors? If not, return Vec to the pool 1584 // of available cursor vectors. 1585 if (Vec->size() == 1) { 1586 pool.AvailableCursors.push_back(Vec); 1587 return; 1588 } 1589 1590 // Now tell the caller about the overridden cursors. 1591 assert(Vec->size() > 1); 1592 *overridden = &((*Vec)[1]); 1593 *num_overridden = Vec->size() - 1; 1594 } 1595 1596 void clang_disposeOverriddenCursors(CXCursor *overridden) { 1597 if (!overridden) 1598 return; 1599 1600 // Use pointer arithmetic to get back the first faux entry 1601 // which has a back-reference to the TU and the vector. 1602 --overridden; 1603 OverridenCursorsPool::CursorVec *Vec = 1604 static_cast<OverridenCursorsPool::CursorVec *>( 1605 const_cast<void *>(overridden->data[0])); 1606 CXTranslationUnit TU = getCursorTU(*overridden); 1607 1608 assert(Vec && TU); 1609 1610 OverridenCursorsPool &pool = 1611 *static_cast<OverridenCursorsPool *>(TU->OverridenCursorsPool); 1612 1613 pool.AvailableCursors.push_back(Vec); 1614 } 1615 1616 int clang_Cursor_isDynamicCall(CXCursor C) { 1617 const Expr *E = nullptr; 1618 if (clang_isExpression(C.kind)) 1619 E = getCursorExpr(C); 1620 if (!E) 1621 return 0; 1622 1623 if (const ObjCMessageExpr *MsgE = dyn_cast<ObjCMessageExpr>(E)) { 1624 if (MsgE->getReceiverKind() != ObjCMessageExpr::Instance) 1625 return false; 1626 if (auto *RecE = dyn_cast<ObjCMessageExpr>( 1627 MsgE->getInstanceReceiver()->IgnoreParenCasts())) { 1628 if (RecE->getMethodFamily() == OMF_alloc) 1629 return false; 1630 } 1631 return true; 1632 } 1633 1634 if (auto *PropRefE = dyn_cast<ObjCPropertyRefExpr>(E)) { 1635 return !PropRefE->isSuperReceiver(); 1636 } 1637 1638 const MemberExpr *ME = nullptr; 1639 if (isa<MemberExpr>(E)) 1640 ME = cast<MemberExpr>(E); 1641 else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) 1642 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); 1643 1644 if (ME) { 1645 if (const CXXMethodDecl *MD = 1646 dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) 1647 return MD->isVirtual() && 1648 ME->performsVirtualDispatch( 1649 cxcursor::getCursorContext(C).getLangOpts()); 1650 } 1651 1652 return 0; 1653 } 1654 1655 CXType clang_Cursor_getReceiverType(CXCursor C) { 1656 CXTranslationUnit TU = cxcursor::getCursorTU(C); 1657 const Expr *E = nullptr; 1658 if (clang_isExpression(C.kind)) 1659 E = getCursorExpr(C); 1660 1661 if (const ObjCMessageExpr *MsgE = dyn_cast_or_null<ObjCMessageExpr>(E)) 1662 return cxtype::MakeCXType(MsgE->getReceiverType(), TU); 1663 1664 if (auto *PropRefE = dyn_cast<ObjCPropertyRefExpr>(E)) { 1665 return cxtype::MakeCXType( 1666 PropRefE->getReceiverType(cxcursor::getCursorContext(C)), TU); 1667 } 1668 1669 const MemberExpr *ME = nullptr; 1670 if (isa<MemberExpr>(E)) 1671 ME = cast<MemberExpr>(E); 1672 else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) 1673 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); 1674 1675 if (ME) { 1676 if (dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) { 1677 auto receiverTy = ME->getBase()->IgnoreImpCasts()->getType(); 1678 return cxtype::MakeCXType(receiverTy, TU); 1679 } 1680 } 1681 1682 return cxtype::MakeCXType(QualType(), TU); 1683 } 1684