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