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