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::FloatingLiteralClass: 309 K = CXCursor_FloatingLiteral; 310 break; 311 312 case Stmt::ImaginaryLiteralClass: 313 K = CXCursor_ImaginaryLiteral; 314 break; 315 316 case Stmt::StringLiteralClass: 317 K = CXCursor_StringLiteral; 318 break; 319 320 case Stmt::CharacterLiteralClass: 321 K = CXCursor_CharacterLiteral; 322 break; 323 324 case Stmt::ParenExprClass: 325 K = CXCursor_ParenExpr; 326 break; 327 328 case Stmt::UnaryOperatorClass: 329 K = CXCursor_UnaryOperator; 330 break; 331 332 case Stmt::UnaryExprOrTypeTraitExprClass: 333 case Stmt::CXXNoexceptExprClass: 334 K = CXCursor_UnaryExpr; 335 break; 336 337 case Stmt::MSPropertySubscriptExprClass: 338 case Stmt::ArraySubscriptExprClass: 339 K = CXCursor_ArraySubscriptExpr; 340 break; 341 342 case Stmt::OMPArraySectionExprClass: 343 K = CXCursor_OMPArraySectionExpr; 344 break; 345 346 case Stmt::BinaryOperatorClass: 347 K = CXCursor_BinaryOperator; 348 break; 349 350 case Stmt::CompoundAssignOperatorClass: 351 K = CXCursor_CompoundAssignOperator; 352 break; 353 354 case Stmt::ConditionalOperatorClass: 355 K = CXCursor_ConditionalOperator; 356 break; 357 358 case Stmt::CStyleCastExprClass: 359 K = CXCursor_CStyleCastExpr; 360 break; 361 362 case Stmt::CompoundLiteralExprClass: 363 K = CXCursor_CompoundLiteralExpr; 364 break; 365 366 case Stmt::InitListExprClass: 367 K = CXCursor_InitListExpr; 368 break; 369 370 case Stmt::AddrLabelExprClass: 371 K = CXCursor_AddrLabelExpr; 372 break; 373 374 case Stmt::StmtExprClass: 375 K = CXCursor_StmtExpr; 376 break; 377 378 case Stmt::GenericSelectionExprClass: 379 K = CXCursor_GenericSelectionExpr; 380 break; 381 382 case Stmt::GNUNullExprClass: 383 K = CXCursor_GNUNullExpr; 384 break; 385 386 case Stmt::CXXStaticCastExprClass: 387 K = CXCursor_CXXStaticCastExpr; 388 break; 389 390 case Stmt::CXXDynamicCastExprClass: 391 K = CXCursor_CXXDynamicCastExpr; 392 break; 393 394 case Stmt::CXXReinterpretCastExprClass: 395 K = CXCursor_CXXReinterpretCastExpr; 396 break; 397 398 case Stmt::CXXConstCastExprClass: 399 K = CXCursor_CXXConstCastExpr; 400 break; 401 402 case Stmt::CXXFunctionalCastExprClass: 403 K = CXCursor_CXXFunctionalCastExpr; 404 break; 405 406 case Stmt::CXXTypeidExprClass: 407 K = CXCursor_CXXTypeidExpr; 408 break; 409 410 case Stmt::CXXBoolLiteralExprClass: 411 K = CXCursor_CXXBoolLiteralExpr; 412 break; 413 414 case Stmt::CXXNullPtrLiteralExprClass: 415 K = CXCursor_CXXNullPtrLiteralExpr; 416 break; 417 418 case Stmt::CXXThisExprClass: 419 K = CXCursor_CXXThisExpr; 420 break; 421 422 case Stmt::CXXThrowExprClass: 423 K = CXCursor_CXXThrowExpr; 424 break; 425 426 case Stmt::CXXNewExprClass: 427 K = CXCursor_CXXNewExpr; 428 break; 429 430 case Stmt::CXXDeleteExprClass: 431 K = CXCursor_CXXDeleteExpr; 432 break; 433 434 case Stmt::ObjCStringLiteralClass: 435 K = CXCursor_ObjCStringLiteral; 436 break; 437 438 case Stmt::ObjCEncodeExprClass: 439 K = CXCursor_ObjCEncodeExpr; 440 break; 441 442 case Stmt::ObjCSelectorExprClass: 443 K = CXCursor_ObjCSelectorExpr; 444 break; 445 446 case Stmt::ObjCProtocolExprClass: 447 K = CXCursor_ObjCProtocolExpr; 448 break; 449 450 case Stmt::ObjCBoolLiteralExprClass: 451 K = CXCursor_ObjCBoolLiteralExpr; 452 break; 453 454 case Stmt::ObjCAvailabilityCheckExprClass: 455 K = CXCursor_ObjCAvailabilityCheckExpr; 456 break; 457 458 case Stmt::ObjCBridgedCastExprClass: 459 K = CXCursor_ObjCBridgedCastExpr; 460 break; 461 462 case Stmt::BlockExprClass: 463 K = CXCursor_BlockExpr; 464 break; 465 466 case Stmt::PackExpansionExprClass: 467 K = CXCursor_PackExpansionExpr; 468 break; 469 470 case Stmt::SizeOfPackExprClass: 471 K = CXCursor_SizeOfPackExpr; 472 break; 473 474 case Stmt::DeclRefExprClass: 475 if (const ImplicitParamDecl *IPD = 476 dyn_cast_or_null<ImplicitParamDecl>(cast<DeclRefExpr>(S)->getDecl())) { 477 if (const ObjCMethodDecl *MD = 478 dyn_cast<ObjCMethodDecl>(IPD->getDeclContext())) { 479 if (MD->getSelfDecl() == IPD) { 480 K = CXCursor_ObjCSelfExpr; 481 break; 482 } 483 } 484 } 485 486 K = CXCursor_DeclRefExpr; 487 break; 488 489 case Stmt::DependentScopeDeclRefExprClass: 490 case Stmt::SubstNonTypeTemplateParmExprClass: 491 case Stmt::SubstNonTypeTemplateParmPackExprClass: 492 case Stmt::FunctionParmPackExprClass: 493 case Stmt::UnresolvedLookupExprClass: 494 case Stmt::TypoExprClass: // A typo could actually be a DeclRef or a MemberRef 495 K = CXCursor_DeclRefExpr; 496 break; 497 498 case Stmt::CXXDependentScopeMemberExprClass: 499 case Stmt::CXXPseudoDestructorExprClass: 500 case Stmt::MemberExprClass: 501 case Stmt::MSPropertyRefExprClass: 502 case Stmt::ObjCIsaExprClass: 503 case Stmt::ObjCIvarRefExprClass: 504 case Stmt::ObjCPropertyRefExprClass: 505 case Stmt::UnresolvedMemberExprClass: 506 K = CXCursor_MemberRefExpr; 507 break; 508 509 case Stmt::CallExprClass: 510 case Stmt::CXXOperatorCallExprClass: 511 case Stmt::CXXMemberCallExprClass: 512 case Stmt::CUDAKernelCallExprClass: 513 case Stmt::CXXConstructExprClass: 514 case Stmt::CXXInheritedCtorInitExprClass: 515 case Stmt::CXXTemporaryObjectExprClass: 516 case Stmt::CXXUnresolvedConstructExprClass: 517 case Stmt::UserDefinedLiteralClass: 518 K = CXCursor_CallExpr; 519 break; 520 521 case Stmt::LambdaExprClass: 522 K = CXCursor_LambdaExpr; 523 break; 524 525 case Stmt::ObjCMessageExprClass: { 526 K = CXCursor_ObjCMessageExpr; 527 int SelectorIdIndex = -1; 528 // Check if cursor points to a selector id. 529 if (RegionOfInterest.isValid() && 530 RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) { 531 SmallVector<SourceLocation, 16> SelLocs; 532 cast<ObjCMessageExpr>(S)->getSelectorLocs(SelLocs); 533 SmallVectorImpl<SourceLocation>::iterator 534 I=std::find(SelLocs.begin(), SelLocs.end(),RegionOfInterest.getBegin()); 535 if (I != SelLocs.end()) 536 SelectorIdIndex = I - SelLocs.begin(); 537 } 538 CXCursor C = { K, 0, { Parent, S, TU } }; 539 return getSelectorIdentifierCursor(SelectorIdIndex, C); 540 } 541 542 case Stmt::MSDependentExistsStmtClass: 543 K = CXCursor_UnexposedStmt; 544 break; 545 case Stmt::OMPParallelDirectiveClass: 546 K = CXCursor_OMPParallelDirective; 547 break; 548 case Stmt::OMPSimdDirectiveClass: 549 K = CXCursor_OMPSimdDirective; 550 break; 551 case Stmt::OMPForDirectiveClass: 552 K = CXCursor_OMPForDirective; 553 break; 554 case Stmt::OMPForSimdDirectiveClass: 555 K = CXCursor_OMPForSimdDirective; 556 break; 557 case Stmt::OMPSectionsDirectiveClass: 558 K = CXCursor_OMPSectionsDirective; 559 break; 560 case Stmt::OMPSectionDirectiveClass: 561 K = CXCursor_OMPSectionDirective; 562 break; 563 case Stmt::OMPSingleDirectiveClass: 564 K = CXCursor_OMPSingleDirective; 565 break; 566 case Stmt::OMPMasterDirectiveClass: 567 K = CXCursor_OMPMasterDirective; 568 break; 569 case Stmt::OMPCriticalDirectiveClass: 570 K = CXCursor_OMPCriticalDirective; 571 break; 572 case Stmt::OMPParallelForDirectiveClass: 573 K = CXCursor_OMPParallelForDirective; 574 break; 575 case Stmt::OMPParallelForSimdDirectiveClass: 576 K = CXCursor_OMPParallelForSimdDirective; 577 break; 578 case Stmt::OMPParallelSectionsDirectiveClass: 579 K = CXCursor_OMPParallelSectionsDirective; 580 break; 581 case Stmt::OMPTaskDirectiveClass: 582 K = CXCursor_OMPTaskDirective; 583 break; 584 case Stmt::OMPTaskyieldDirectiveClass: 585 K = CXCursor_OMPTaskyieldDirective; 586 break; 587 case Stmt::OMPBarrierDirectiveClass: 588 K = CXCursor_OMPBarrierDirective; 589 break; 590 case Stmt::OMPTaskwaitDirectiveClass: 591 K = CXCursor_OMPTaskwaitDirective; 592 break; 593 case Stmt::OMPTaskgroupDirectiveClass: 594 K = CXCursor_OMPTaskgroupDirective; 595 break; 596 case Stmt::OMPFlushDirectiveClass: 597 K = CXCursor_OMPFlushDirective; 598 break; 599 case Stmt::OMPOrderedDirectiveClass: 600 K = CXCursor_OMPOrderedDirective; 601 break; 602 case Stmt::OMPAtomicDirectiveClass: 603 K = CXCursor_OMPAtomicDirective; 604 break; 605 case Stmt::OMPTargetDirectiveClass: 606 K = CXCursor_OMPTargetDirective; 607 break; 608 case Stmt::OMPTargetDataDirectiveClass: 609 K = CXCursor_OMPTargetDataDirective; 610 break; 611 case Stmt::OMPTargetEnterDataDirectiveClass: 612 K = CXCursor_OMPTargetEnterDataDirective; 613 break; 614 case Stmt::OMPTargetExitDataDirectiveClass: 615 K = CXCursor_OMPTargetExitDataDirective; 616 break; 617 case Stmt::OMPTargetParallelDirectiveClass: 618 K = CXCursor_OMPTargetParallelDirective; 619 break; 620 case Stmt::OMPTargetParallelForDirectiveClass: 621 K = CXCursor_OMPTargetParallelForDirective; 622 break; 623 case Stmt::OMPTargetUpdateDirectiveClass: 624 K = CXCursor_OMPTargetUpdateDirective; 625 break; 626 case Stmt::OMPTeamsDirectiveClass: 627 K = CXCursor_OMPTeamsDirective; 628 break; 629 case Stmt::OMPCancellationPointDirectiveClass: 630 K = CXCursor_OMPCancellationPointDirective; 631 break; 632 case Stmt::OMPCancelDirectiveClass: 633 K = CXCursor_OMPCancelDirective; 634 break; 635 case Stmt::OMPTaskLoopDirectiveClass: 636 K = CXCursor_OMPTaskLoopDirective; 637 break; 638 case Stmt::OMPTaskLoopSimdDirectiveClass: 639 K = CXCursor_OMPTaskLoopSimdDirective; 640 break; 641 case Stmt::OMPDistributeDirectiveClass: 642 K = CXCursor_OMPDistributeDirective; 643 break; 644 case Stmt::OMPDistributeParallelForDirectiveClass: 645 K = CXCursor_OMPDistributeParallelForDirective; 646 break; 647 case Stmt::OMPDistributeParallelForSimdDirectiveClass: 648 K = CXCursor_OMPDistributeParallelForSimdDirective; 649 break; 650 case Stmt::OMPDistributeSimdDirectiveClass: 651 K = CXCursor_OMPDistributeSimdDirective; 652 break; 653 case Stmt::OMPTargetParallelForSimdDirectiveClass: 654 K = CXCursor_OMPTargetParallelForSimdDirective; 655 break; 656 case Stmt::OMPTargetSimdDirectiveClass: 657 K = CXCursor_OMPTargetSimdDirective; 658 break; 659 case Stmt::OMPTeamsDistributeDirectiveClass: 660 K = CXCursor_OMPTeamsDistributeDirective; 661 break; 662 case Stmt::OMPTeamsDistributeSimdDirectiveClass: 663 K = CXCursor_OMPTeamsDistributeSimdDirective; 664 break; 665 case Stmt::OMPTeamsDistributeParallelForSimdDirectiveClass: 666 K = CXCursor_OMPTeamsDistributeParallelForSimdDirective; 667 break; 668 case Stmt::OMPTeamsDistributeParallelForDirectiveClass: 669 K = CXCursor_OMPTeamsDistributeParallelForDirective; 670 break; 671 case Stmt::OMPTargetTeamsDirectiveClass: 672 K = CXCursor_OMPTargetTeamsDirective; 673 break; 674 case Stmt::OMPTargetTeamsDistributeDirectiveClass: 675 K = CXCursor_OMPTargetTeamsDistributeDirective; 676 break; 677 case Stmt::OMPTargetTeamsDistributeParallelForDirectiveClass: 678 K = CXCursor_OMPTargetTeamsDistributeParallelForDirective; 679 break; 680 case Stmt::OMPTargetTeamsDistributeParallelForSimdDirectiveClass: 681 K = CXCursor_OMPTargetTeamsDistributeParallelForSimdDirective; 682 break; 683 case Stmt::OMPTargetTeamsDistributeSimdDirectiveClass: 684 K = CXCursor_OMPTargetTeamsDistributeSimdDirective; 685 break; 686 } 687 688 CXCursor C = { K, 0, { Parent, S, TU } }; 689 return C; 690 } 691 692 CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super, 693 SourceLocation Loc, 694 CXTranslationUnit TU) { 695 assert(Super && TU && "Invalid arguments!"); 696 void *RawLoc = Loc.getPtrEncoding(); 697 CXCursor C = { CXCursor_ObjCSuperClassRef, 0, { Super, RawLoc, TU } }; 698 return C; 699 } 700 701 std::pair<const ObjCInterfaceDecl *, SourceLocation> 702 cxcursor::getCursorObjCSuperClassRef(CXCursor C) { 703 assert(C.kind == CXCursor_ObjCSuperClassRef); 704 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 705 SourceLocation::getFromPtrEncoding(C.data[1])); 706 } 707 708 CXCursor cxcursor::MakeCursorObjCProtocolRef(const ObjCProtocolDecl *Proto, 709 SourceLocation Loc, 710 CXTranslationUnit TU) { 711 assert(Proto && TU && "Invalid arguments!"); 712 void *RawLoc = Loc.getPtrEncoding(); 713 CXCursor C = { CXCursor_ObjCProtocolRef, 0, { Proto, RawLoc, TU } }; 714 return C; 715 } 716 717 std::pair<const ObjCProtocolDecl *, SourceLocation> 718 cxcursor::getCursorObjCProtocolRef(CXCursor C) { 719 assert(C.kind == CXCursor_ObjCProtocolRef); 720 return std::make_pair(static_cast<const ObjCProtocolDecl *>(C.data[0]), 721 SourceLocation::getFromPtrEncoding(C.data[1])); 722 } 723 724 CXCursor cxcursor::MakeCursorObjCClassRef(const ObjCInterfaceDecl *Class, 725 SourceLocation Loc, 726 CXTranslationUnit TU) { 727 // 'Class' can be null for invalid code. 728 if (!Class) 729 return MakeCXCursorInvalid(CXCursor_InvalidCode); 730 assert(TU && "Invalid arguments!"); 731 void *RawLoc = Loc.getPtrEncoding(); 732 CXCursor C = { CXCursor_ObjCClassRef, 0, { Class, RawLoc, TU } }; 733 return C; 734 } 735 736 std::pair<const ObjCInterfaceDecl *, SourceLocation> 737 cxcursor::getCursorObjCClassRef(CXCursor C) { 738 assert(C.kind == CXCursor_ObjCClassRef); 739 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 740 SourceLocation::getFromPtrEncoding(C.data[1])); 741 } 742 743 CXCursor cxcursor::MakeCursorTypeRef(const TypeDecl *Type, SourceLocation Loc, 744 CXTranslationUnit TU) { 745 assert(Type && TU && "Invalid arguments!"); 746 void *RawLoc = Loc.getPtrEncoding(); 747 CXCursor C = { CXCursor_TypeRef, 0, { Type, RawLoc, TU } }; 748 return C; 749 } 750 751 std::pair<const TypeDecl *, SourceLocation> 752 cxcursor::getCursorTypeRef(CXCursor C) { 753 assert(C.kind == CXCursor_TypeRef); 754 return std::make_pair(static_cast<const TypeDecl *>(C.data[0]), 755 SourceLocation::getFromPtrEncoding(C.data[1])); 756 } 757 758 CXCursor cxcursor::MakeCursorTemplateRef(const TemplateDecl *Template, 759 SourceLocation Loc, 760 CXTranslationUnit TU) { 761 assert(Template && TU && "Invalid arguments!"); 762 void *RawLoc = Loc.getPtrEncoding(); 763 CXCursor C = { CXCursor_TemplateRef, 0, { Template, RawLoc, TU } }; 764 return C; 765 } 766 767 std::pair<const TemplateDecl *, SourceLocation> 768 cxcursor::getCursorTemplateRef(CXCursor C) { 769 assert(C.kind == CXCursor_TemplateRef); 770 return std::make_pair(static_cast<const TemplateDecl *>(C.data[0]), 771 SourceLocation::getFromPtrEncoding(C.data[1])); 772 } 773 774 CXCursor cxcursor::MakeCursorNamespaceRef(const NamedDecl *NS, 775 SourceLocation Loc, 776 CXTranslationUnit TU) { 777 778 assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU && 779 "Invalid arguments!"); 780 void *RawLoc = Loc.getPtrEncoding(); 781 CXCursor C = { CXCursor_NamespaceRef, 0, { NS, RawLoc, TU } }; 782 return C; 783 } 784 785 std::pair<const NamedDecl *, SourceLocation> 786 cxcursor::getCursorNamespaceRef(CXCursor C) { 787 assert(C.kind == CXCursor_NamespaceRef); 788 return std::make_pair(static_cast<const NamedDecl *>(C.data[0]), 789 SourceLocation::getFromPtrEncoding(C.data[1])); 790 } 791 792 CXCursor cxcursor::MakeCursorVariableRef(const VarDecl *Var, SourceLocation Loc, 793 CXTranslationUnit TU) { 794 795 assert(Var && TU && "Invalid arguments!"); 796 void *RawLoc = Loc.getPtrEncoding(); 797 CXCursor C = { CXCursor_VariableRef, 0, { Var, RawLoc, TU } }; 798 return C; 799 } 800 801 std::pair<const VarDecl *, SourceLocation> 802 cxcursor::getCursorVariableRef(CXCursor C) { 803 assert(C.kind == CXCursor_VariableRef); 804 return std::make_pair(static_cast<const VarDecl *>(C.data[0]), 805 SourceLocation::getFromPtrEncoding(C.data[1])); 806 } 807 808 CXCursor cxcursor::MakeCursorMemberRef(const FieldDecl *Field, SourceLocation Loc, 809 CXTranslationUnit TU) { 810 811 assert(Field && TU && "Invalid arguments!"); 812 void *RawLoc = Loc.getPtrEncoding(); 813 CXCursor C = { CXCursor_MemberRef, 0, { Field, RawLoc, TU } }; 814 return C; 815 } 816 817 std::pair<const FieldDecl *, SourceLocation> 818 cxcursor::getCursorMemberRef(CXCursor C) { 819 assert(C.kind == CXCursor_MemberRef); 820 return std::make_pair(static_cast<const FieldDecl *>(C.data[0]), 821 SourceLocation::getFromPtrEncoding(C.data[1])); 822 } 823 824 CXCursor cxcursor::MakeCursorCXXBaseSpecifier(const CXXBaseSpecifier *B, 825 CXTranslationUnit TU){ 826 CXCursor C = { CXCursor_CXXBaseSpecifier, 0, { B, nullptr, TU } }; 827 return C; 828 } 829 830 const CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) { 831 assert(C.kind == CXCursor_CXXBaseSpecifier); 832 return static_cast<const CXXBaseSpecifier*>(C.data[0]); 833 } 834 835 CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range, 836 CXTranslationUnit TU) { 837 CXCursor C = { CXCursor_PreprocessingDirective, 0, 838 { Range.getBegin().getPtrEncoding(), 839 Range.getEnd().getPtrEncoding(), 840 TU } 841 }; 842 return C; 843 } 844 845 SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) { 846 assert(C.kind == CXCursor_PreprocessingDirective); 847 SourceRange Range(SourceLocation::getFromPtrEncoding(C.data[0]), 848 SourceLocation::getFromPtrEncoding(C.data[1])); 849 ASTUnit *TU = getCursorASTUnit(C); 850 return TU->mapRangeFromPreamble(Range); 851 } 852 853 CXCursor cxcursor::MakeMacroDefinitionCursor(const MacroDefinitionRecord *MI, 854 CXTranslationUnit TU) { 855 CXCursor C = {CXCursor_MacroDefinition, 0, {MI, nullptr, TU}}; 856 return C; 857 } 858 859 const MacroDefinitionRecord *cxcursor::getCursorMacroDefinition(CXCursor C) { 860 assert(C.kind == CXCursor_MacroDefinition); 861 return static_cast<const MacroDefinitionRecord *>(C.data[0]); 862 } 863 864 CXCursor cxcursor::MakeMacroExpansionCursor(MacroExpansion *MI, 865 CXTranslationUnit TU) { 866 CXCursor C = { CXCursor_MacroExpansion, 0, { MI, nullptr, TU } }; 867 return C; 868 } 869 870 CXCursor cxcursor::MakeMacroExpansionCursor(MacroDefinitionRecord *MI, 871 SourceLocation Loc, 872 CXTranslationUnit TU) { 873 assert(Loc.isValid()); 874 CXCursor C = {CXCursor_MacroExpansion, 0, {MI, Loc.getPtrEncoding(), TU}}; 875 return C; 876 } 877 878 const IdentifierInfo *cxcursor::MacroExpansionCursor::getName() const { 879 if (isPseudo()) 880 return getAsMacroDefinition()->getName(); 881 return getAsMacroExpansion()->getName(); 882 } 883 const MacroDefinitionRecord * 884 cxcursor::MacroExpansionCursor::getDefinition() const { 885 if (isPseudo()) 886 return getAsMacroDefinition(); 887 return getAsMacroExpansion()->getDefinition(); 888 } 889 SourceRange cxcursor::MacroExpansionCursor::getSourceRange() const { 890 if (isPseudo()) 891 return getPseudoLoc(); 892 return getAsMacroExpansion()->getSourceRange(); 893 } 894 895 CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID, 896 CXTranslationUnit TU) { 897 CXCursor C = { CXCursor_InclusionDirective, 0, { ID, nullptr, TU } }; 898 return C; 899 } 900 901 const InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) { 902 assert(C.kind == CXCursor_InclusionDirective); 903 return static_cast<const InclusionDirective *>(C.data[0]); 904 } 905 906 CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc, 907 CXTranslationUnit TU) { 908 909 assert(Label && TU && "Invalid arguments!"); 910 void *RawLoc = Loc.getPtrEncoding(); 911 CXCursor C = { CXCursor_LabelRef, 0, { Label, RawLoc, TU } }; 912 return C; 913 } 914 915 std::pair<const LabelStmt *, SourceLocation> 916 cxcursor::getCursorLabelRef(CXCursor C) { 917 assert(C.kind == CXCursor_LabelRef); 918 return std::make_pair(static_cast<const LabelStmt *>(C.data[0]), 919 SourceLocation::getFromPtrEncoding(C.data[1])); 920 } 921 922 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const OverloadExpr *E, 923 CXTranslationUnit TU) { 924 assert(E && TU && "Invalid arguments!"); 925 OverloadedDeclRefStorage Storage(E); 926 void *RawLoc = E->getNameLoc().getPtrEncoding(); 927 CXCursor C = { 928 CXCursor_OverloadedDeclRef, 0, 929 { Storage.getOpaqueValue(), RawLoc, TU } 930 }; 931 return C; 932 } 933 934 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const Decl *D, 935 SourceLocation Loc, 936 CXTranslationUnit TU) { 937 assert(D && TU && "Invalid arguments!"); 938 void *RawLoc = Loc.getPtrEncoding(); 939 OverloadedDeclRefStorage Storage(D); 940 CXCursor C = { 941 CXCursor_OverloadedDeclRef, 0, 942 { Storage.getOpaqueValue(), RawLoc, TU } 943 }; 944 return C; 945 } 946 947 CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name, 948 SourceLocation Loc, 949 CXTranslationUnit TU) { 950 assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!"); 951 void *RawLoc = Loc.getPtrEncoding(); 952 OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate()); 953 CXCursor C = { 954 CXCursor_OverloadedDeclRef, 0, 955 { Storage.getOpaqueValue(), RawLoc, TU } 956 }; 957 return C; 958 } 959 960 std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation> 961 cxcursor::getCursorOverloadedDeclRef(CXCursor C) { 962 assert(C.kind == CXCursor_OverloadedDeclRef); 963 return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue( 964 const_cast<void *>(C.data[0])), 965 SourceLocation::getFromPtrEncoding(C.data[1])); 966 } 967 968 const Decl *cxcursor::getCursorDecl(CXCursor Cursor) { 969 return static_cast<const Decl *>(Cursor.data[0]); 970 } 971 972 const Expr *cxcursor::getCursorExpr(CXCursor Cursor) { 973 return dyn_cast_or_null<Expr>(getCursorStmt(Cursor)); 974 } 975 976 const Stmt *cxcursor::getCursorStmt(CXCursor Cursor) { 977 if (Cursor.kind == CXCursor_ObjCSuperClassRef || 978 Cursor.kind == CXCursor_ObjCProtocolRef || 979 Cursor.kind == CXCursor_ObjCClassRef) 980 return nullptr; 981 982 return static_cast<const Stmt *>(Cursor.data[1]); 983 } 984 985 const Attr *cxcursor::getCursorAttr(CXCursor Cursor) { 986 return static_cast<const Attr *>(Cursor.data[1]); 987 } 988 989 const Decl *cxcursor::getCursorParentDecl(CXCursor Cursor) { 990 return static_cast<const Decl *>(Cursor.data[0]); 991 } 992 993 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { 994 return getCursorASTUnit(Cursor)->getASTContext(); 995 } 996 997 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { 998 CXTranslationUnit TU = getCursorTU(Cursor); 999 if (!TU) 1000 return nullptr; 1001 return cxtu::getASTUnit(TU); 1002 } 1003 1004 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { 1005 return static_cast<CXTranslationUnit>(const_cast<void*>(Cursor.data[2])); 1006 } 1007 1008 void cxcursor::getOverriddenCursors(CXCursor cursor, 1009 SmallVectorImpl<CXCursor> &overridden) { 1010 assert(clang_isDeclaration(cursor.kind)); 1011 const NamedDecl *D = dyn_cast_or_null<NamedDecl>(getCursorDecl(cursor)); 1012 if (!D) 1013 return; 1014 1015 CXTranslationUnit TU = getCursorTU(cursor); 1016 SmallVector<const NamedDecl *, 8> OverDecls; 1017 D->getASTContext().getOverriddenMethods(D, OverDecls); 1018 1019 for (SmallVectorImpl<const NamedDecl *>::iterator 1020 I = OverDecls.begin(), E = OverDecls.end(); I != E; ++I) { 1021 overridden.push_back(MakeCXCursor(*I, TU)); 1022 } 1023 } 1024 1025 std::pair<int, SourceLocation> 1026 cxcursor::getSelectorIdentifierIndexAndLoc(CXCursor cursor) { 1027 if (cursor.kind == CXCursor_ObjCMessageExpr) { 1028 if (cursor.xdata != -1) 1029 return std::make_pair(cursor.xdata, 1030 cast<ObjCMessageExpr>(getCursorExpr(cursor)) 1031 ->getSelectorLoc(cursor.xdata)); 1032 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 1033 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 1034 if (cursor.xdata != -1) 1035 return std::make_pair(cursor.xdata, 1036 cast<ObjCMethodDecl>(getCursorDecl(cursor)) 1037 ->getSelectorLoc(cursor.xdata)); 1038 } 1039 1040 return std::make_pair(-1, SourceLocation()); 1041 } 1042 1043 CXCursor cxcursor::getSelectorIdentifierCursor(int SelIdx, CXCursor cursor) { 1044 CXCursor newCursor = cursor; 1045 1046 if (cursor.kind == CXCursor_ObjCMessageExpr) { 1047 if (SelIdx == -1 || 1048 unsigned(SelIdx) >= cast<ObjCMessageExpr>(getCursorExpr(cursor)) 1049 ->getNumSelectorLocs()) 1050 newCursor.xdata = -1; 1051 else 1052 newCursor.xdata = SelIdx; 1053 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 1054 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 1055 if (SelIdx == -1 || 1056 unsigned(SelIdx) >= cast<ObjCMethodDecl>(getCursorDecl(cursor)) 1057 ->getNumSelectorLocs()) 1058 newCursor.xdata = -1; 1059 else 1060 newCursor.xdata = SelIdx; 1061 } 1062 1063 return newCursor; 1064 } 1065 1066 CXCursor cxcursor::getTypeRefCursor(CXCursor cursor) { 1067 if (cursor.kind != CXCursor_CallExpr) 1068 return cursor; 1069 1070 if (cursor.xdata == 0) 1071 return cursor; 1072 1073 const Expr *E = getCursorExpr(cursor); 1074 TypeSourceInfo *Type = nullptr; 1075 if (const CXXUnresolvedConstructExpr * 1076 UnCtor = dyn_cast<CXXUnresolvedConstructExpr>(E)) { 1077 Type = UnCtor->getTypeSourceInfo(); 1078 } else if (const CXXTemporaryObjectExpr *Tmp = 1079 dyn_cast<CXXTemporaryObjectExpr>(E)){ 1080 Type = Tmp->getTypeSourceInfo(); 1081 } 1082 1083 if (!Type) 1084 return cursor; 1085 1086 CXTranslationUnit TU = getCursorTU(cursor); 1087 QualType Ty = Type->getType(); 1088 TypeLoc TL = Type->getTypeLoc(); 1089 SourceLocation Loc = TL.getBeginLoc(); 1090 1091 if (const ElaboratedType *ElabT = Ty->getAs<ElaboratedType>()) { 1092 Ty = ElabT->getNamedType(); 1093 ElaboratedTypeLoc ElabTL = TL.castAs<ElaboratedTypeLoc>(); 1094 Loc = ElabTL.getNamedTypeLoc().getBeginLoc(); 1095 } 1096 1097 if (const TypedefType *Typedef = Ty->getAs<TypedefType>()) 1098 return MakeCursorTypeRef(Typedef->getDecl(), Loc, TU); 1099 if (const TagType *Tag = Ty->getAs<TagType>()) 1100 return MakeCursorTypeRef(Tag->getDecl(), Loc, TU); 1101 if (const TemplateTypeParmType *TemplP = Ty->getAs<TemplateTypeParmType>()) 1102 return MakeCursorTypeRef(TemplP->getDecl(), Loc, TU); 1103 1104 return cursor; 1105 } 1106 1107 bool cxcursor::operator==(CXCursor X, CXCursor Y) { 1108 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && 1109 X.data[2] == Y.data[2]; 1110 } 1111 1112 // FIXME: Remove once we can model DeclGroups and their appropriate ranges 1113 // properly in the ASTs. 1114 bool cxcursor::isFirstInDeclGroup(CXCursor C) { 1115 assert(clang_isDeclaration(C.kind)); 1116 return ((uintptr_t) (C.data[1])) != 0; 1117 } 1118 1119 //===----------------------------------------------------------------------===// 1120 // libclang CXCursor APIs 1121 //===----------------------------------------------------------------------===// 1122 1123 int clang_Cursor_isNull(CXCursor cursor) { 1124 return clang_equalCursors(cursor, clang_getNullCursor()); 1125 } 1126 1127 CXTranslationUnit clang_Cursor_getTranslationUnit(CXCursor cursor) { 1128 return getCursorTU(cursor); 1129 } 1130 1131 int clang_Cursor_getNumArguments(CXCursor C) { 1132 if (clang_isDeclaration(C.kind)) { 1133 const Decl *D = cxcursor::getCursorDecl(C); 1134 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) 1135 return MD->param_size(); 1136 if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) 1137 return FD->param_size(); 1138 } 1139 1140 if (clang_isExpression(C.kind)) { 1141 const Expr *E = cxcursor::getCursorExpr(C); 1142 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1143 return CE->getNumArgs(); 1144 } 1145 } 1146 1147 return -1; 1148 } 1149 1150 CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i) { 1151 if (clang_isDeclaration(C.kind)) { 1152 const Decl *D = cxcursor::getCursorDecl(C); 1153 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) { 1154 if (i < MD->param_size()) 1155 return cxcursor::MakeCXCursor(MD->parameters()[i], 1156 cxcursor::getCursorTU(C)); 1157 } else if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) { 1158 if (i < FD->param_size()) 1159 return cxcursor::MakeCXCursor(FD->parameters()[i], 1160 cxcursor::getCursorTU(C)); 1161 } 1162 } 1163 1164 if (clang_isExpression(C.kind)) { 1165 const Expr *E = cxcursor::getCursorExpr(C); 1166 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1167 if (i < CE->getNumArgs()) { 1168 return cxcursor::MakeCXCursor(CE->getArg(i), 1169 getCursorDecl(C), 1170 cxcursor::getCursorTU(C)); 1171 } 1172 } 1173 } 1174 1175 return clang_getNullCursor(); 1176 } 1177 1178 int clang_Cursor_getNumTemplateArguments(CXCursor C) { 1179 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1180 return -1; 1181 } 1182 1183 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1184 getCursorDecl(C)); 1185 if (!FD) { 1186 return -1; 1187 } 1188 1189 const FunctionTemplateSpecializationInfo* SpecInfo = 1190 FD->getTemplateSpecializationInfo(); 1191 if (!SpecInfo) { 1192 return -1; 1193 } 1194 1195 return SpecInfo->TemplateArguments->size(); 1196 } 1197 1198 enum CXGetTemplateArgumentStatus { 1199 /** \brief The operation completed successfully */ 1200 CXGetTemplateArgumentStatus_Success = 0, 1201 1202 /** \brief The specified cursor did not represent a FunctionDecl. */ 1203 CXGetTemplateArgumentStatus_CursorNotFunctionDecl = -1, 1204 1205 /** \brief The specified cursor was not castable to a FunctionDecl. */ 1206 CXGetTemplateArgumentStatus_BadFunctionDeclCast = -2, 1207 1208 /** \brief A NULL FunctionTemplateSpecializationInfo was retrieved. */ 1209 CXGetTemplateArgumentStatus_NullTemplSpecInfo = -3, 1210 1211 /** \brief An invalid (OOB) argument index was specified */ 1212 CXGetTemplateArgumentStatus_InvalidIndex = -4 1213 }; 1214 1215 static int clang_Cursor_getTemplateArgument( 1216 CXCursor C, unsigned I, TemplateArgument *TA) { 1217 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1218 return CXGetTemplateArgumentStatus_CursorNotFunctionDecl; 1219 } 1220 1221 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1222 getCursorDecl(C)); 1223 if (!FD) { 1224 return CXGetTemplateArgumentStatus_BadFunctionDeclCast; 1225 } 1226 1227 const FunctionTemplateSpecializationInfo* SpecInfo = 1228 FD->getTemplateSpecializationInfo(); 1229 if (!SpecInfo) { 1230 return CXGetTemplateArgumentStatus_NullTemplSpecInfo; 1231 } 1232 1233 if (I >= SpecInfo->TemplateArguments->size()) { 1234 return CXGetTemplateArgumentStatus_InvalidIndex; 1235 } 1236 1237 *TA = SpecInfo->TemplateArguments->get(I); 1238 return 0; 1239 } 1240 1241 enum CXTemplateArgumentKind clang_Cursor_getTemplateArgumentKind(CXCursor C, 1242 unsigned I) { 1243 TemplateArgument TA; 1244 if (clang_Cursor_getTemplateArgument(C, I, &TA)) { 1245 return CXTemplateArgumentKind_Invalid; 1246 } 1247 1248 switch (TA.getKind()) { 1249 case TemplateArgument::Null: return CXTemplateArgumentKind_Null; 1250 case TemplateArgument::Type: return CXTemplateArgumentKind_Type; 1251 case TemplateArgument::Declaration: 1252 return CXTemplateArgumentKind_Declaration; 1253 case TemplateArgument::NullPtr: return CXTemplateArgumentKind_NullPtr; 1254 case TemplateArgument::Integral: return CXTemplateArgumentKind_Integral; 1255 case TemplateArgument::Template: return CXTemplateArgumentKind_Template; 1256 case TemplateArgument::TemplateExpansion: 1257 return CXTemplateArgumentKind_TemplateExpansion; 1258 case TemplateArgument::Expression: return CXTemplateArgumentKind_Expression; 1259 case TemplateArgument::Pack: return CXTemplateArgumentKind_Pack; 1260 } 1261 1262 return CXTemplateArgumentKind_Invalid; 1263 } 1264 1265 CXType clang_Cursor_getTemplateArgumentType(CXCursor C, unsigned I) { 1266 TemplateArgument TA; 1267 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1268 CXGetTemplateArgumentStatus_Success) { 1269 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1270 } 1271 1272 if (TA.getKind() != TemplateArgument::Type) { 1273 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1274 } 1275 1276 return cxtype::MakeCXType(TA.getAsType(), getCursorTU(C)); 1277 } 1278 1279 long long clang_Cursor_getTemplateArgumentValue(CXCursor C, unsigned I) { 1280 TemplateArgument TA; 1281 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1282 CXGetTemplateArgumentStatus_Success) { 1283 assert(0 && "Unable to retrieve TemplateArgument"); 1284 return 0; 1285 } 1286 1287 if (TA.getKind() != TemplateArgument::Integral) { 1288 assert(0 && "Passed template argument is not Integral"); 1289 return 0; 1290 } 1291 1292 return TA.getAsIntegral().getSExtValue(); 1293 } 1294 1295 unsigned long long clang_Cursor_getTemplateArgumentUnsignedValue(CXCursor C, 1296 unsigned I) { 1297 TemplateArgument TA; 1298 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1299 CXGetTemplateArgumentStatus_Success) { 1300 assert(0 && "Unable to retrieve TemplateArgument"); 1301 return 0; 1302 } 1303 1304 if (TA.getKind() != TemplateArgument::Integral) { 1305 assert(0 && "Passed template argument is not Integral"); 1306 return 0; 1307 } 1308 1309 return TA.getAsIntegral().getZExtValue(); 1310 } 1311 1312 //===----------------------------------------------------------------------===// 1313 // CXCursorSet. 1314 //===----------------------------------------------------------------------===// 1315 1316 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; 1317 1318 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { 1319 return (CXCursorSet) setImpl; 1320 } 1321 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { 1322 return (CXCursorSet_Impl*) set; 1323 } 1324 namespace llvm { 1325 template<> struct DenseMapInfo<CXCursor> { 1326 public: 1327 static inline CXCursor getEmptyKey() { 1328 return MakeCXCursorInvalid(CXCursor_InvalidFile); 1329 } 1330 static inline CXCursor getTombstoneKey() { 1331 return MakeCXCursorInvalid(CXCursor_NoDeclFound); 1332 } 1333 static inline unsigned getHashValue(const CXCursor &cursor) { 1334 return llvm::DenseMapInfo<std::pair<const void *, const void *> > 1335 ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); 1336 } 1337 static inline bool isEqual(const CXCursor &x, const CXCursor &y) { 1338 return x.kind == y.kind && 1339 x.data[0] == y.data[0] && 1340 x.data[1] == y.data[1]; 1341 } 1342 }; 1343 } 1344 1345 CXCursorSet clang_createCXCursorSet() { 1346 return packCXCursorSet(new CXCursorSet_Impl()); 1347 } 1348 1349 void clang_disposeCXCursorSet(CXCursorSet set) { 1350 delete unpackCXCursorSet(set); 1351 } 1352 1353 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { 1354 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1355 if (!setImpl) 1356 return 0; 1357 return setImpl->find(cursor) != setImpl->end(); 1358 } 1359 1360 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { 1361 // Do not insert invalid cursors into the set. 1362 if (cursor.kind >= CXCursor_FirstInvalid && 1363 cursor.kind <= CXCursor_LastInvalid) 1364 return 1; 1365 1366 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1367 if (!setImpl) 1368 return 1; 1369 unsigned &entry = (*setImpl)[cursor]; 1370 unsigned flag = entry == 0 ? 1 : 0; 1371 entry = 1; 1372 return flag; 1373 } 1374 1375 CXCompletionString clang_getCursorCompletionString(CXCursor cursor) { 1376 enum CXCursorKind kind = clang_getCursorKind(cursor); 1377 if (clang_isDeclaration(kind)) { 1378 const Decl *decl = getCursorDecl(cursor); 1379 if (const NamedDecl *namedDecl = dyn_cast_or_null<NamedDecl>(decl)) { 1380 ASTUnit *unit = getCursorASTUnit(cursor); 1381 CodeCompletionResult Result(namedDecl, CCP_Declaration); 1382 CodeCompletionString *String 1383 = Result.CreateCodeCompletionString(unit->getASTContext(), 1384 unit->getPreprocessor(), 1385 CodeCompletionContext::CCC_Other, 1386 unit->getCodeCompletionTUInfo().getAllocator(), 1387 unit->getCodeCompletionTUInfo(), 1388 true); 1389 return String; 1390 } 1391 } else if (kind == CXCursor_MacroDefinition) { 1392 const MacroDefinitionRecord *definition = getCursorMacroDefinition(cursor); 1393 const IdentifierInfo *MacroInfo = definition->getName(); 1394 ASTUnit *unit = getCursorASTUnit(cursor); 1395 CodeCompletionResult Result(MacroInfo); 1396 CodeCompletionString *String 1397 = Result.CreateCodeCompletionString(unit->getASTContext(), 1398 unit->getPreprocessor(), 1399 CodeCompletionContext::CCC_Other, 1400 unit->getCodeCompletionTUInfo().getAllocator(), 1401 unit->getCodeCompletionTUInfo(), 1402 false); 1403 return String; 1404 } 1405 return nullptr; 1406 } 1407 1408 namespace { 1409 struct OverridenCursorsPool { 1410 typedef SmallVector<CXCursor, 2> CursorVec; 1411 std::vector<CursorVec*> AllCursors; 1412 std::vector<CursorVec*> AvailableCursors; 1413 1414 ~OverridenCursorsPool() { 1415 for (std::vector<CursorVec*>::iterator I = AllCursors.begin(), 1416 E = AllCursors.end(); I != E; ++I) { 1417 delete *I; 1418 } 1419 } 1420 }; 1421 } 1422 1423 void *cxcursor::createOverridenCXCursorsPool() { 1424 return new OverridenCursorsPool(); 1425 } 1426 1427 void cxcursor::disposeOverridenCXCursorsPool(void *pool) { 1428 delete static_cast<OverridenCursorsPool*>(pool); 1429 } 1430 1431 void clang_getOverriddenCursors(CXCursor cursor, 1432 CXCursor **overridden, 1433 unsigned *num_overridden) { 1434 if (overridden) 1435 *overridden = nullptr; 1436 if (num_overridden) 1437 *num_overridden = 0; 1438 1439 CXTranslationUnit TU = cxcursor::getCursorTU(cursor); 1440 1441 if (!overridden || !num_overridden || !TU) 1442 return; 1443 1444 if (!clang_isDeclaration(cursor.kind)) 1445 return; 1446 1447 OverridenCursorsPool &pool = 1448 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1449 1450 OverridenCursorsPool::CursorVec *Vec = nullptr; 1451 1452 if (!pool.AvailableCursors.empty()) { 1453 Vec = pool.AvailableCursors.back(); 1454 pool.AvailableCursors.pop_back(); 1455 } 1456 else { 1457 Vec = new OverridenCursorsPool::CursorVec(); 1458 pool.AllCursors.push_back(Vec); 1459 } 1460 1461 // Clear out the vector, but don't free the memory contents. This 1462 // reduces malloc() traffic. 1463 Vec->clear(); 1464 1465 // Use the first entry to contain a back reference to the vector. 1466 // This is a complete hack. 1467 CXCursor backRefCursor = MakeCXCursorInvalid(CXCursor_InvalidFile, TU); 1468 backRefCursor.data[0] = Vec; 1469 assert(cxcursor::getCursorTU(backRefCursor) == TU); 1470 Vec->push_back(backRefCursor); 1471 1472 // Get the overriden cursors. 1473 cxcursor::getOverriddenCursors(cursor, *Vec); 1474 1475 // Did we get any overriden cursors? If not, return Vec to the pool 1476 // of available cursor vectors. 1477 if (Vec->size() == 1) { 1478 pool.AvailableCursors.push_back(Vec); 1479 return; 1480 } 1481 1482 // Now tell the caller about the overriden cursors. 1483 assert(Vec->size() > 1); 1484 *overridden = &((*Vec)[1]); 1485 *num_overridden = Vec->size() - 1; 1486 } 1487 1488 void clang_disposeOverriddenCursors(CXCursor *overridden) { 1489 if (!overridden) 1490 return; 1491 1492 // Use pointer arithmetic to get back the first faux entry 1493 // which has a back-reference to the TU and the vector. 1494 --overridden; 1495 OverridenCursorsPool::CursorVec *Vec = 1496 static_cast<OverridenCursorsPool::CursorVec *>( 1497 const_cast<void *>(overridden->data[0])); 1498 CXTranslationUnit TU = getCursorTU(*overridden); 1499 1500 assert(Vec && TU); 1501 1502 OverridenCursorsPool &pool = 1503 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1504 1505 pool.AvailableCursors.push_back(Vec); 1506 } 1507 1508 int clang_Cursor_isDynamicCall(CXCursor C) { 1509 const Expr *E = nullptr; 1510 if (clang_isExpression(C.kind)) 1511 E = getCursorExpr(C); 1512 if (!E) 1513 return 0; 1514 1515 if (const ObjCMessageExpr *MsgE = dyn_cast<ObjCMessageExpr>(E)) { 1516 if (MsgE->getReceiverKind() != ObjCMessageExpr::Instance) 1517 return false; 1518 if (auto *RecE = dyn_cast<ObjCMessageExpr>( 1519 MsgE->getInstanceReceiver()->IgnoreParenCasts())) { 1520 if (RecE->getMethodFamily() == OMF_alloc) 1521 return false; 1522 } 1523 return true; 1524 } 1525 1526 if (auto *PropRefE = dyn_cast<ObjCPropertyRefExpr>(E)) { 1527 return !PropRefE->isSuperReceiver(); 1528 } 1529 1530 const MemberExpr *ME = nullptr; 1531 if (isa<MemberExpr>(E)) 1532 ME = cast<MemberExpr>(E); 1533 else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) 1534 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); 1535 1536 if (ME) { 1537 if (const CXXMethodDecl * 1538 MD = dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) 1539 return MD->isVirtual() && 1540 ME->performsVirtualDispatch( 1541 cxcursor::getCursorContext(C).getLangOpts()); 1542 } 1543 1544 return 0; 1545 } 1546 1547 CXType clang_Cursor_getReceiverType(CXCursor C) { 1548 CXTranslationUnit TU = cxcursor::getCursorTU(C); 1549 const Expr *E = nullptr; 1550 if (clang_isExpression(C.kind)) 1551 E = getCursorExpr(C); 1552 1553 if (const ObjCMessageExpr *MsgE = dyn_cast_or_null<ObjCMessageExpr>(E)) 1554 return cxtype::MakeCXType(MsgE->getReceiverType(), TU); 1555 1556 if (auto *PropRefE = dyn_cast<ObjCPropertyRefExpr>(E)) { 1557 return cxtype::MakeCXType( 1558 PropRefE->getReceiverType(cxcursor::getCursorContext(C)), TU); 1559 } 1560 1561 const MemberExpr *ME = nullptr; 1562 if (isa<MemberExpr>(E)) 1563 ME = cast<MemberExpr>(E); 1564 else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) 1565 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); 1566 1567 if (ME) { 1568 if (const CXXMethodDecl * 1569 MD = dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) { 1570 auto receiverTy = ME->getBase()->IgnoreImpCasts()->getType(); 1571 return cxtype::MakeCXType(receiverTy, TU); 1572 } 1573 } 1574 1575 return cxtype::MakeCXType(QualType(), TU); 1576 } 1577