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