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::CoreturnStmtClass: 235 case Stmt::CoyieldExprClass: 236 case Stmt::CXXBindTemporaryExprClass: 237 case Stmt::CXXDefaultArgExprClass: 238 case Stmt::CXXDefaultInitExprClass: 239 case Stmt::CXXFoldExprClass: 240 case Stmt::CXXStdInitializerListExprClass: 241 case Stmt::CXXScalarValueInitExprClass: 242 case Stmt::CXXUuidofExprClass: 243 case Stmt::ChooseExprClass: 244 case Stmt::DesignatedInitExprClass: 245 case Stmt::DesignatedInitUpdateExprClass: 246 case Stmt::ExprWithCleanupsClass: 247 case Stmt::ExpressionTraitExprClass: 248 case Stmt::ExtVectorElementExprClass: 249 case Stmt::ImplicitCastExprClass: 250 case Stmt::ImplicitValueInitExprClass: 251 case Stmt::NoInitExprClass: 252 case Stmt::MaterializeTemporaryExprClass: 253 case Stmt::ObjCIndirectCopyRestoreExprClass: 254 case Stmt::OffsetOfExprClass: 255 case Stmt::ParenListExprClass: 256 case Stmt::PredefinedExprClass: 257 case Stmt::ShuffleVectorExprClass: 258 case Stmt::ConvertVectorExprClass: 259 case Stmt::UnaryExprOrTypeTraitExprClass: 260 case Stmt::VAArgExprClass: 261 case Stmt::ObjCArrayLiteralClass: 262 case Stmt::ObjCDictionaryLiteralClass: 263 case Stmt::ObjCBoxedExprClass: 264 case Stmt::ObjCSubscriptRefExprClass: 265 K = CXCursor_UnexposedExpr; 266 break; 267 268 case Stmt::OpaqueValueExprClass: 269 if (Expr *Src = cast<OpaqueValueExpr>(S)->getSourceExpr()) 270 return MakeCXCursor(Src, Parent, TU, RegionOfInterest); 271 K = CXCursor_UnexposedExpr; 272 break; 273 274 case Stmt::PseudoObjectExprClass: 275 return MakeCXCursor(cast<PseudoObjectExpr>(S)->getSyntacticForm(), 276 Parent, TU, RegionOfInterest); 277 278 case Stmt::CompoundStmtClass: 279 K = CXCursor_CompoundStmt; 280 break; 281 282 case Stmt::NullStmtClass: 283 K = CXCursor_NullStmt; 284 break; 285 286 case Stmt::LabelStmtClass: 287 K = CXCursor_LabelStmt; 288 break; 289 290 case Stmt::AttributedStmtClass: 291 K = CXCursor_UnexposedStmt; 292 break; 293 294 case Stmt::DeclStmtClass: 295 K = CXCursor_DeclStmt; 296 break; 297 298 case Stmt::CapturedStmtClass: 299 K = CXCursor_UnexposedStmt; 300 break; 301 302 case Stmt::IntegerLiteralClass: 303 K = CXCursor_IntegerLiteral; 304 break; 305 306 case Stmt::FloatingLiteralClass: 307 K = CXCursor_FloatingLiteral; 308 break; 309 310 case Stmt::ImaginaryLiteralClass: 311 K = CXCursor_ImaginaryLiteral; 312 break; 313 314 case Stmt::StringLiteralClass: 315 K = CXCursor_StringLiteral; 316 break; 317 318 case Stmt::CharacterLiteralClass: 319 K = CXCursor_CharacterLiteral; 320 break; 321 322 case Stmt::ParenExprClass: 323 K = CXCursor_ParenExpr; 324 break; 325 326 case Stmt::UnaryOperatorClass: 327 K = CXCursor_UnaryOperator; 328 break; 329 330 case Stmt::CXXNoexceptExprClass: 331 K = CXCursor_UnaryExpr; 332 break; 333 334 case Stmt::MSPropertySubscriptExprClass: 335 case Stmt::ArraySubscriptExprClass: 336 K = CXCursor_ArraySubscriptExpr; 337 break; 338 339 case Stmt::OMPArraySectionExprClass: 340 K = CXCursor_OMPArraySectionExpr; 341 break; 342 343 case Stmt::BinaryOperatorClass: 344 K = CXCursor_BinaryOperator; 345 break; 346 347 case Stmt::CompoundAssignOperatorClass: 348 K = CXCursor_CompoundAssignOperator; 349 break; 350 351 case Stmt::ConditionalOperatorClass: 352 K = CXCursor_ConditionalOperator; 353 break; 354 355 case Stmt::CStyleCastExprClass: 356 K = CXCursor_CStyleCastExpr; 357 break; 358 359 case Stmt::CompoundLiteralExprClass: 360 K = CXCursor_CompoundLiteralExpr; 361 break; 362 363 case Stmt::InitListExprClass: 364 K = CXCursor_InitListExpr; 365 break; 366 367 case Stmt::AddrLabelExprClass: 368 K = CXCursor_AddrLabelExpr; 369 break; 370 371 case Stmt::StmtExprClass: 372 K = CXCursor_StmtExpr; 373 break; 374 375 case Stmt::GenericSelectionExprClass: 376 K = CXCursor_GenericSelectionExpr; 377 break; 378 379 case Stmt::GNUNullExprClass: 380 K = CXCursor_GNUNullExpr; 381 break; 382 383 case Stmt::CXXStaticCastExprClass: 384 K = CXCursor_CXXStaticCastExpr; 385 break; 386 387 case Stmt::CXXDynamicCastExprClass: 388 K = CXCursor_CXXDynamicCastExpr; 389 break; 390 391 case Stmt::CXXReinterpretCastExprClass: 392 K = CXCursor_CXXReinterpretCastExpr; 393 break; 394 395 case Stmt::CXXConstCastExprClass: 396 K = CXCursor_CXXConstCastExpr; 397 break; 398 399 case Stmt::CXXFunctionalCastExprClass: 400 K = CXCursor_CXXFunctionalCastExpr; 401 break; 402 403 case Stmt::CXXTypeidExprClass: 404 K = CXCursor_CXXTypeidExpr; 405 break; 406 407 case Stmt::CXXBoolLiteralExprClass: 408 K = CXCursor_CXXBoolLiteralExpr; 409 break; 410 411 case Stmt::CXXNullPtrLiteralExprClass: 412 K = CXCursor_CXXNullPtrLiteralExpr; 413 break; 414 415 case Stmt::CXXThisExprClass: 416 K = CXCursor_CXXThisExpr; 417 break; 418 419 case Stmt::CXXThrowExprClass: 420 K = CXCursor_CXXThrowExpr; 421 break; 422 423 case Stmt::CXXNewExprClass: 424 K = CXCursor_CXXNewExpr; 425 break; 426 427 case Stmt::CXXDeleteExprClass: 428 K = CXCursor_CXXDeleteExpr; 429 break; 430 431 case Stmt::ObjCStringLiteralClass: 432 K = CXCursor_ObjCStringLiteral; 433 break; 434 435 case Stmt::ObjCEncodeExprClass: 436 K = CXCursor_ObjCEncodeExpr; 437 break; 438 439 case Stmt::ObjCSelectorExprClass: 440 K = CXCursor_ObjCSelectorExpr; 441 break; 442 443 case Stmt::ObjCProtocolExprClass: 444 K = CXCursor_ObjCProtocolExpr; 445 break; 446 447 case Stmt::ObjCBoolLiteralExprClass: 448 K = CXCursor_ObjCBoolLiteralExpr; 449 break; 450 451 case Stmt::ObjCBridgedCastExprClass: 452 K = CXCursor_ObjCBridgedCastExpr; 453 break; 454 455 case Stmt::BlockExprClass: 456 K = CXCursor_BlockExpr; 457 break; 458 459 case Stmt::PackExpansionExprClass: 460 K = CXCursor_PackExpansionExpr; 461 break; 462 463 case Stmt::SizeOfPackExprClass: 464 K = CXCursor_SizeOfPackExpr; 465 break; 466 467 case Stmt::DeclRefExprClass: 468 if (const ImplicitParamDecl *IPD = 469 dyn_cast_or_null<ImplicitParamDecl>(cast<DeclRefExpr>(S)->getDecl())) { 470 if (const ObjCMethodDecl *MD = 471 dyn_cast<ObjCMethodDecl>(IPD->getDeclContext())) { 472 if (MD->getSelfDecl() == IPD) { 473 K = CXCursor_ObjCSelfExpr; 474 break; 475 } 476 } 477 } 478 479 K = CXCursor_DeclRefExpr; 480 break; 481 482 case Stmt::DependentScopeDeclRefExprClass: 483 case Stmt::SubstNonTypeTemplateParmExprClass: 484 case Stmt::SubstNonTypeTemplateParmPackExprClass: 485 case Stmt::FunctionParmPackExprClass: 486 case Stmt::UnresolvedLookupExprClass: 487 case Stmt::TypoExprClass: // A typo could actually be a DeclRef or a MemberRef 488 K = CXCursor_DeclRefExpr; 489 break; 490 491 case Stmt::CXXDependentScopeMemberExprClass: 492 case Stmt::CXXPseudoDestructorExprClass: 493 case Stmt::MemberExprClass: 494 case Stmt::MSPropertyRefExprClass: 495 case Stmt::ObjCIsaExprClass: 496 case Stmt::ObjCIvarRefExprClass: 497 case Stmt::ObjCPropertyRefExprClass: 498 case Stmt::UnresolvedMemberExprClass: 499 K = CXCursor_MemberRefExpr; 500 break; 501 502 case Stmt::CallExprClass: 503 case Stmt::CXXOperatorCallExprClass: 504 case Stmt::CXXMemberCallExprClass: 505 case Stmt::CUDAKernelCallExprClass: 506 case Stmt::CXXConstructExprClass: 507 case Stmt::CXXTemporaryObjectExprClass: 508 case Stmt::CXXUnresolvedConstructExprClass: 509 case Stmt::UserDefinedLiteralClass: 510 K = CXCursor_CallExpr; 511 break; 512 513 case Stmt::LambdaExprClass: 514 K = CXCursor_LambdaExpr; 515 break; 516 517 case Stmt::ObjCMessageExprClass: { 518 K = CXCursor_ObjCMessageExpr; 519 int SelectorIdIndex = -1; 520 // Check if cursor points to a selector id. 521 if (RegionOfInterest.isValid() && 522 RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) { 523 SmallVector<SourceLocation, 16> SelLocs; 524 cast<ObjCMessageExpr>(S)->getSelectorLocs(SelLocs); 525 SmallVectorImpl<SourceLocation>::iterator 526 I=std::find(SelLocs.begin(), SelLocs.end(),RegionOfInterest.getBegin()); 527 if (I != SelLocs.end()) 528 SelectorIdIndex = I - SelLocs.begin(); 529 } 530 CXCursor C = { K, 0, { Parent, S, TU } }; 531 return getSelectorIdentifierCursor(SelectorIdIndex, C); 532 } 533 534 case Stmt::MSDependentExistsStmtClass: 535 K = CXCursor_UnexposedStmt; 536 break; 537 case Stmt::OMPParallelDirectiveClass: 538 K = CXCursor_OMPParallelDirective; 539 break; 540 case Stmt::OMPSimdDirectiveClass: 541 K = CXCursor_OMPSimdDirective; 542 break; 543 case Stmt::OMPForDirectiveClass: 544 K = CXCursor_OMPForDirective; 545 break; 546 case Stmt::OMPForSimdDirectiveClass: 547 K = CXCursor_OMPForSimdDirective; 548 break; 549 case Stmt::OMPSectionsDirectiveClass: 550 K = CXCursor_OMPSectionsDirective; 551 break; 552 case Stmt::OMPSectionDirectiveClass: 553 K = CXCursor_OMPSectionDirective; 554 break; 555 case Stmt::OMPSingleDirectiveClass: 556 K = CXCursor_OMPSingleDirective; 557 break; 558 case Stmt::OMPMasterDirectiveClass: 559 K = CXCursor_OMPMasterDirective; 560 break; 561 case Stmt::OMPCriticalDirectiveClass: 562 K = CXCursor_OMPCriticalDirective; 563 break; 564 case Stmt::OMPParallelForDirectiveClass: 565 K = CXCursor_OMPParallelForDirective; 566 break; 567 case Stmt::OMPParallelForSimdDirectiveClass: 568 K = CXCursor_OMPParallelForSimdDirective; 569 break; 570 case Stmt::OMPParallelSectionsDirectiveClass: 571 K = CXCursor_OMPParallelSectionsDirective; 572 break; 573 case Stmt::OMPTaskDirectiveClass: 574 K = CXCursor_OMPTaskDirective; 575 break; 576 case Stmt::OMPTaskyieldDirectiveClass: 577 K = CXCursor_OMPTaskyieldDirective; 578 break; 579 case Stmt::OMPBarrierDirectiveClass: 580 K = CXCursor_OMPBarrierDirective; 581 break; 582 case Stmt::OMPTaskwaitDirectiveClass: 583 K = CXCursor_OMPTaskwaitDirective; 584 break; 585 case Stmt::OMPTaskgroupDirectiveClass: 586 K = CXCursor_OMPTaskgroupDirective; 587 break; 588 case Stmt::OMPFlushDirectiveClass: 589 K = CXCursor_OMPFlushDirective; 590 break; 591 case Stmt::OMPOrderedDirectiveClass: 592 K = CXCursor_OMPOrderedDirective; 593 break; 594 case Stmt::OMPAtomicDirectiveClass: 595 K = CXCursor_OMPAtomicDirective; 596 break; 597 case Stmt::OMPTargetDirectiveClass: 598 K = CXCursor_OMPTargetDirective; 599 break; 600 case Stmt::OMPTargetDataDirectiveClass: 601 K = CXCursor_OMPTargetDataDirective; 602 break; 603 case Stmt::OMPTargetEnterDataDirectiveClass: 604 K = CXCursor_OMPTargetEnterDataDirective; 605 break; 606 case Stmt::OMPTargetExitDataDirectiveClass: 607 K = CXCursor_OMPTargetExitDataDirective; 608 break; 609 case Stmt::OMPTargetParallelDirectiveClass: 610 K = CXCursor_OMPTargetParallelDirective; 611 break; 612 case Stmt::OMPTeamsDirectiveClass: 613 K = CXCursor_OMPTeamsDirective; 614 break; 615 case Stmt::OMPCancellationPointDirectiveClass: 616 K = CXCursor_OMPCancellationPointDirective; 617 break; 618 case Stmt::OMPCancelDirectiveClass: 619 K = CXCursor_OMPCancelDirective; 620 break; 621 case Stmt::OMPTaskLoopDirectiveClass: 622 K = CXCursor_OMPTaskLoopDirective; 623 break; 624 case Stmt::OMPTaskLoopSimdDirectiveClass: 625 K = CXCursor_OMPTaskLoopSimdDirective; 626 break; 627 case Stmt::OMPDistributeDirectiveClass: 628 K = CXCursor_OMPDistributeDirective; 629 break; 630 } 631 632 CXCursor C = { K, 0, { Parent, S, TU } }; 633 return C; 634 } 635 636 CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super, 637 SourceLocation Loc, 638 CXTranslationUnit TU) { 639 assert(Super && TU && "Invalid arguments!"); 640 void *RawLoc = Loc.getPtrEncoding(); 641 CXCursor C = { CXCursor_ObjCSuperClassRef, 0, { Super, RawLoc, TU } }; 642 return C; 643 } 644 645 std::pair<const ObjCInterfaceDecl *, SourceLocation> 646 cxcursor::getCursorObjCSuperClassRef(CXCursor C) { 647 assert(C.kind == CXCursor_ObjCSuperClassRef); 648 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 649 SourceLocation::getFromPtrEncoding(C.data[1])); 650 } 651 652 CXCursor cxcursor::MakeCursorObjCProtocolRef(const ObjCProtocolDecl *Proto, 653 SourceLocation Loc, 654 CXTranslationUnit TU) { 655 assert(Proto && TU && "Invalid arguments!"); 656 void *RawLoc = Loc.getPtrEncoding(); 657 CXCursor C = { CXCursor_ObjCProtocolRef, 0, { Proto, RawLoc, TU } }; 658 return C; 659 } 660 661 std::pair<const ObjCProtocolDecl *, SourceLocation> 662 cxcursor::getCursorObjCProtocolRef(CXCursor C) { 663 assert(C.kind == CXCursor_ObjCProtocolRef); 664 return std::make_pair(static_cast<const ObjCProtocolDecl *>(C.data[0]), 665 SourceLocation::getFromPtrEncoding(C.data[1])); 666 } 667 668 CXCursor cxcursor::MakeCursorObjCClassRef(const ObjCInterfaceDecl *Class, 669 SourceLocation Loc, 670 CXTranslationUnit TU) { 671 // 'Class' can be null for invalid code. 672 if (!Class) 673 return MakeCXCursorInvalid(CXCursor_InvalidCode); 674 assert(TU && "Invalid arguments!"); 675 void *RawLoc = Loc.getPtrEncoding(); 676 CXCursor C = { CXCursor_ObjCClassRef, 0, { Class, RawLoc, TU } }; 677 return C; 678 } 679 680 std::pair<const ObjCInterfaceDecl *, SourceLocation> 681 cxcursor::getCursorObjCClassRef(CXCursor C) { 682 assert(C.kind == CXCursor_ObjCClassRef); 683 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 684 SourceLocation::getFromPtrEncoding(C.data[1])); 685 } 686 687 CXCursor cxcursor::MakeCursorTypeRef(const TypeDecl *Type, SourceLocation Loc, 688 CXTranslationUnit TU) { 689 assert(Type && TU && "Invalid arguments!"); 690 void *RawLoc = Loc.getPtrEncoding(); 691 CXCursor C = { CXCursor_TypeRef, 0, { Type, RawLoc, TU } }; 692 return C; 693 } 694 695 std::pair<const TypeDecl *, SourceLocation> 696 cxcursor::getCursorTypeRef(CXCursor C) { 697 assert(C.kind == CXCursor_TypeRef); 698 return std::make_pair(static_cast<const TypeDecl *>(C.data[0]), 699 SourceLocation::getFromPtrEncoding(C.data[1])); 700 } 701 702 CXCursor cxcursor::MakeCursorTemplateRef(const TemplateDecl *Template, 703 SourceLocation Loc, 704 CXTranslationUnit TU) { 705 assert(Template && TU && "Invalid arguments!"); 706 void *RawLoc = Loc.getPtrEncoding(); 707 CXCursor C = { CXCursor_TemplateRef, 0, { Template, RawLoc, TU } }; 708 return C; 709 } 710 711 std::pair<const TemplateDecl *, SourceLocation> 712 cxcursor::getCursorTemplateRef(CXCursor C) { 713 assert(C.kind == CXCursor_TemplateRef); 714 return std::make_pair(static_cast<const TemplateDecl *>(C.data[0]), 715 SourceLocation::getFromPtrEncoding(C.data[1])); 716 } 717 718 CXCursor cxcursor::MakeCursorNamespaceRef(const NamedDecl *NS, 719 SourceLocation Loc, 720 CXTranslationUnit TU) { 721 722 assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU && 723 "Invalid arguments!"); 724 void *RawLoc = Loc.getPtrEncoding(); 725 CXCursor C = { CXCursor_NamespaceRef, 0, { NS, RawLoc, TU } }; 726 return C; 727 } 728 729 std::pair<const NamedDecl *, SourceLocation> 730 cxcursor::getCursorNamespaceRef(CXCursor C) { 731 assert(C.kind == CXCursor_NamespaceRef); 732 return std::make_pair(static_cast<const NamedDecl *>(C.data[0]), 733 SourceLocation::getFromPtrEncoding(C.data[1])); 734 } 735 736 CXCursor cxcursor::MakeCursorVariableRef(const VarDecl *Var, SourceLocation Loc, 737 CXTranslationUnit TU) { 738 739 assert(Var && TU && "Invalid arguments!"); 740 void *RawLoc = Loc.getPtrEncoding(); 741 CXCursor C = { CXCursor_VariableRef, 0, { Var, RawLoc, TU } }; 742 return C; 743 } 744 745 std::pair<const VarDecl *, SourceLocation> 746 cxcursor::getCursorVariableRef(CXCursor C) { 747 assert(C.kind == CXCursor_VariableRef); 748 return std::make_pair(static_cast<const VarDecl *>(C.data[0]), 749 SourceLocation::getFromPtrEncoding(C.data[1])); 750 } 751 752 CXCursor cxcursor::MakeCursorMemberRef(const FieldDecl *Field, SourceLocation Loc, 753 CXTranslationUnit TU) { 754 755 assert(Field && TU && "Invalid arguments!"); 756 void *RawLoc = Loc.getPtrEncoding(); 757 CXCursor C = { CXCursor_MemberRef, 0, { Field, RawLoc, TU } }; 758 return C; 759 } 760 761 std::pair<const FieldDecl *, SourceLocation> 762 cxcursor::getCursorMemberRef(CXCursor C) { 763 assert(C.kind == CXCursor_MemberRef); 764 return std::make_pair(static_cast<const FieldDecl *>(C.data[0]), 765 SourceLocation::getFromPtrEncoding(C.data[1])); 766 } 767 768 CXCursor cxcursor::MakeCursorCXXBaseSpecifier(const CXXBaseSpecifier *B, 769 CXTranslationUnit TU){ 770 CXCursor C = { CXCursor_CXXBaseSpecifier, 0, { B, nullptr, TU } }; 771 return C; 772 } 773 774 const CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) { 775 assert(C.kind == CXCursor_CXXBaseSpecifier); 776 return static_cast<const CXXBaseSpecifier*>(C.data[0]); 777 } 778 779 CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range, 780 CXTranslationUnit TU) { 781 CXCursor C = { CXCursor_PreprocessingDirective, 0, 782 { Range.getBegin().getPtrEncoding(), 783 Range.getEnd().getPtrEncoding(), 784 TU } 785 }; 786 return C; 787 } 788 789 SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) { 790 assert(C.kind == CXCursor_PreprocessingDirective); 791 SourceRange Range(SourceLocation::getFromPtrEncoding(C.data[0]), 792 SourceLocation::getFromPtrEncoding(C.data[1])); 793 ASTUnit *TU = getCursorASTUnit(C); 794 return TU->mapRangeFromPreamble(Range); 795 } 796 797 CXCursor cxcursor::MakeMacroDefinitionCursor(const MacroDefinitionRecord *MI, 798 CXTranslationUnit TU) { 799 CXCursor C = {CXCursor_MacroDefinition, 0, {MI, nullptr, TU}}; 800 return C; 801 } 802 803 const MacroDefinitionRecord *cxcursor::getCursorMacroDefinition(CXCursor C) { 804 assert(C.kind == CXCursor_MacroDefinition); 805 return static_cast<const MacroDefinitionRecord *>(C.data[0]); 806 } 807 808 CXCursor cxcursor::MakeMacroExpansionCursor(MacroExpansion *MI, 809 CXTranslationUnit TU) { 810 CXCursor C = { CXCursor_MacroExpansion, 0, { MI, nullptr, TU } }; 811 return C; 812 } 813 814 CXCursor cxcursor::MakeMacroExpansionCursor(MacroDefinitionRecord *MI, 815 SourceLocation Loc, 816 CXTranslationUnit TU) { 817 assert(Loc.isValid()); 818 CXCursor C = {CXCursor_MacroExpansion, 0, {MI, Loc.getPtrEncoding(), TU}}; 819 return C; 820 } 821 822 const IdentifierInfo *cxcursor::MacroExpansionCursor::getName() const { 823 if (isPseudo()) 824 return getAsMacroDefinition()->getName(); 825 return getAsMacroExpansion()->getName(); 826 } 827 const MacroDefinitionRecord * 828 cxcursor::MacroExpansionCursor::getDefinition() const { 829 if (isPseudo()) 830 return getAsMacroDefinition(); 831 return getAsMacroExpansion()->getDefinition(); 832 } 833 SourceRange cxcursor::MacroExpansionCursor::getSourceRange() const { 834 if (isPseudo()) 835 return getPseudoLoc(); 836 return getAsMacroExpansion()->getSourceRange(); 837 } 838 839 CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID, 840 CXTranslationUnit TU) { 841 CXCursor C = { CXCursor_InclusionDirective, 0, { ID, nullptr, TU } }; 842 return C; 843 } 844 845 const InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) { 846 assert(C.kind == CXCursor_InclusionDirective); 847 return static_cast<const InclusionDirective *>(C.data[0]); 848 } 849 850 CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc, 851 CXTranslationUnit TU) { 852 853 assert(Label && TU && "Invalid arguments!"); 854 void *RawLoc = Loc.getPtrEncoding(); 855 CXCursor C = { CXCursor_LabelRef, 0, { Label, RawLoc, TU } }; 856 return C; 857 } 858 859 std::pair<const LabelStmt *, SourceLocation> 860 cxcursor::getCursorLabelRef(CXCursor C) { 861 assert(C.kind == CXCursor_LabelRef); 862 return std::make_pair(static_cast<const LabelStmt *>(C.data[0]), 863 SourceLocation::getFromPtrEncoding(C.data[1])); 864 } 865 866 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const OverloadExpr *E, 867 CXTranslationUnit TU) { 868 assert(E && TU && "Invalid arguments!"); 869 OverloadedDeclRefStorage Storage(E); 870 void *RawLoc = E->getNameLoc().getPtrEncoding(); 871 CXCursor C = { 872 CXCursor_OverloadedDeclRef, 0, 873 { Storage.getOpaqueValue(), RawLoc, TU } 874 }; 875 return C; 876 } 877 878 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const Decl *D, 879 SourceLocation Loc, 880 CXTranslationUnit TU) { 881 assert(D && TU && "Invalid arguments!"); 882 void *RawLoc = Loc.getPtrEncoding(); 883 OverloadedDeclRefStorage Storage(D); 884 CXCursor C = { 885 CXCursor_OverloadedDeclRef, 0, 886 { Storage.getOpaqueValue(), RawLoc, TU } 887 }; 888 return C; 889 } 890 891 CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name, 892 SourceLocation Loc, 893 CXTranslationUnit TU) { 894 assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!"); 895 void *RawLoc = Loc.getPtrEncoding(); 896 OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate()); 897 CXCursor C = { 898 CXCursor_OverloadedDeclRef, 0, 899 { Storage.getOpaqueValue(), RawLoc, TU } 900 }; 901 return C; 902 } 903 904 std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation> 905 cxcursor::getCursorOverloadedDeclRef(CXCursor C) { 906 assert(C.kind == CXCursor_OverloadedDeclRef); 907 return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue( 908 const_cast<void *>(C.data[0])), 909 SourceLocation::getFromPtrEncoding(C.data[1])); 910 } 911 912 const Decl *cxcursor::getCursorDecl(CXCursor Cursor) { 913 return static_cast<const Decl *>(Cursor.data[0]); 914 } 915 916 const Expr *cxcursor::getCursorExpr(CXCursor Cursor) { 917 return dyn_cast_or_null<Expr>(getCursorStmt(Cursor)); 918 } 919 920 const Stmt *cxcursor::getCursorStmt(CXCursor Cursor) { 921 if (Cursor.kind == CXCursor_ObjCSuperClassRef || 922 Cursor.kind == CXCursor_ObjCProtocolRef || 923 Cursor.kind == CXCursor_ObjCClassRef) 924 return nullptr; 925 926 return static_cast<const Stmt *>(Cursor.data[1]); 927 } 928 929 const Attr *cxcursor::getCursorAttr(CXCursor Cursor) { 930 return static_cast<const Attr *>(Cursor.data[1]); 931 } 932 933 const Decl *cxcursor::getCursorParentDecl(CXCursor Cursor) { 934 return static_cast<const Decl *>(Cursor.data[0]); 935 } 936 937 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { 938 return getCursorASTUnit(Cursor)->getASTContext(); 939 } 940 941 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { 942 CXTranslationUnit TU = getCursorTU(Cursor); 943 if (!TU) 944 return nullptr; 945 return cxtu::getASTUnit(TU); 946 } 947 948 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { 949 return static_cast<CXTranslationUnit>(const_cast<void*>(Cursor.data[2])); 950 } 951 952 void cxcursor::getOverriddenCursors(CXCursor cursor, 953 SmallVectorImpl<CXCursor> &overridden) { 954 assert(clang_isDeclaration(cursor.kind)); 955 const NamedDecl *D = dyn_cast_or_null<NamedDecl>(getCursorDecl(cursor)); 956 if (!D) 957 return; 958 959 CXTranslationUnit TU = getCursorTU(cursor); 960 SmallVector<const NamedDecl *, 8> OverDecls; 961 D->getASTContext().getOverriddenMethods(D, OverDecls); 962 963 for (SmallVectorImpl<const NamedDecl *>::iterator 964 I = OverDecls.begin(), E = OverDecls.end(); I != E; ++I) { 965 overridden.push_back(MakeCXCursor(*I, TU)); 966 } 967 } 968 969 std::pair<int, SourceLocation> 970 cxcursor::getSelectorIdentifierIndexAndLoc(CXCursor cursor) { 971 if (cursor.kind == CXCursor_ObjCMessageExpr) { 972 if (cursor.xdata != -1) 973 return std::make_pair(cursor.xdata, 974 cast<ObjCMessageExpr>(getCursorExpr(cursor)) 975 ->getSelectorLoc(cursor.xdata)); 976 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 977 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 978 if (cursor.xdata != -1) 979 return std::make_pair(cursor.xdata, 980 cast<ObjCMethodDecl>(getCursorDecl(cursor)) 981 ->getSelectorLoc(cursor.xdata)); 982 } 983 984 return std::make_pair(-1, SourceLocation()); 985 } 986 987 CXCursor cxcursor::getSelectorIdentifierCursor(int SelIdx, CXCursor cursor) { 988 CXCursor newCursor = cursor; 989 990 if (cursor.kind == CXCursor_ObjCMessageExpr) { 991 if (SelIdx == -1 || 992 unsigned(SelIdx) >= cast<ObjCMessageExpr>(getCursorExpr(cursor)) 993 ->getNumSelectorLocs()) 994 newCursor.xdata = -1; 995 else 996 newCursor.xdata = SelIdx; 997 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 998 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 999 if (SelIdx == -1 || 1000 unsigned(SelIdx) >= cast<ObjCMethodDecl>(getCursorDecl(cursor)) 1001 ->getNumSelectorLocs()) 1002 newCursor.xdata = -1; 1003 else 1004 newCursor.xdata = SelIdx; 1005 } 1006 1007 return newCursor; 1008 } 1009 1010 CXCursor cxcursor::getTypeRefCursor(CXCursor cursor) { 1011 if (cursor.kind != CXCursor_CallExpr) 1012 return cursor; 1013 1014 if (cursor.xdata == 0) 1015 return cursor; 1016 1017 const Expr *E = getCursorExpr(cursor); 1018 TypeSourceInfo *Type = nullptr; 1019 if (const CXXUnresolvedConstructExpr * 1020 UnCtor = dyn_cast<CXXUnresolvedConstructExpr>(E)) { 1021 Type = UnCtor->getTypeSourceInfo(); 1022 } else if (const CXXTemporaryObjectExpr *Tmp = 1023 dyn_cast<CXXTemporaryObjectExpr>(E)){ 1024 Type = Tmp->getTypeSourceInfo(); 1025 } 1026 1027 if (!Type) 1028 return cursor; 1029 1030 CXTranslationUnit TU = getCursorTU(cursor); 1031 QualType Ty = Type->getType(); 1032 TypeLoc TL = Type->getTypeLoc(); 1033 SourceLocation Loc = TL.getBeginLoc(); 1034 1035 if (const ElaboratedType *ElabT = Ty->getAs<ElaboratedType>()) { 1036 Ty = ElabT->getNamedType(); 1037 ElaboratedTypeLoc ElabTL = TL.castAs<ElaboratedTypeLoc>(); 1038 Loc = ElabTL.getNamedTypeLoc().getBeginLoc(); 1039 } 1040 1041 if (const TypedefType *Typedef = Ty->getAs<TypedefType>()) 1042 return MakeCursorTypeRef(Typedef->getDecl(), Loc, TU); 1043 if (const TagType *Tag = Ty->getAs<TagType>()) 1044 return MakeCursorTypeRef(Tag->getDecl(), Loc, TU); 1045 if (const TemplateTypeParmType *TemplP = Ty->getAs<TemplateTypeParmType>()) 1046 return MakeCursorTypeRef(TemplP->getDecl(), Loc, TU); 1047 1048 return cursor; 1049 } 1050 1051 bool cxcursor::operator==(CXCursor X, CXCursor Y) { 1052 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && 1053 X.data[2] == Y.data[2]; 1054 } 1055 1056 // FIXME: Remove once we can model DeclGroups and their appropriate ranges 1057 // properly in the ASTs. 1058 bool cxcursor::isFirstInDeclGroup(CXCursor C) { 1059 assert(clang_isDeclaration(C.kind)); 1060 return ((uintptr_t) (C.data[1])) != 0; 1061 } 1062 1063 //===----------------------------------------------------------------------===// 1064 // libclang CXCursor APIs 1065 //===----------------------------------------------------------------------===// 1066 1067 extern "C" { 1068 1069 int clang_Cursor_isNull(CXCursor cursor) { 1070 return clang_equalCursors(cursor, clang_getNullCursor()); 1071 } 1072 1073 CXTranslationUnit clang_Cursor_getTranslationUnit(CXCursor cursor) { 1074 return getCursorTU(cursor); 1075 } 1076 1077 int clang_Cursor_getNumArguments(CXCursor C) { 1078 if (clang_isDeclaration(C.kind)) { 1079 const Decl *D = cxcursor::getCursorDecl(C); 1080 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) 1081 return MD->param_size(); 1082 if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) 1083 return FD->param_size(); 1084 } 1085 1086 if (clang_isExpression(C.kind)) { 1087 const Expr *E = cxcursor::getCursorExpr(C); 1088 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1089 return CE->getNumArgs(); 1090 } 1091 } 1092 1093 return -1; 1094 } 1095 1096 CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i) { 1097 if (clang_isDeclaration(C.kind)) { 1098 const Decl *D = cxcursor::getCursorDecl(C); 1099 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) { 1100 if (i < MD->param_size()) 1101 return cxcursor::MakeCXCursor(MD->parameters()[i], 1102 cxcursor::getCursorTU(C)); 1103 } else if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) { 1104 if (i < FD->param_size()) 1105 return cxcursor::MakeCXCursor(FD->parameters()[i], 1106 cxcursor::getCursorTU(C)); 1107 } 1108 } 1109 1110 if (clang_isExpression(C.kind)) { 1111 const Expr *E = cxcursor::getCursorExpr(C); 1112 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1113 if (i < CE->getNumArgs()) { 1114 return cxcursor::MakeCXCursor(CE->getArg(i), 1115 getCursorDecl(C), 1116 cxcursor::getCursorTU(C)); 1117 } 1118 } 1119 } 1120 1121 return clang_getNullCursor(); 1122 } 1123 1124 int clang_Cursor_getNumTemplateArguments(CXCursor C) { 1125 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1126 return -1; 1127 } 1128 1129 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1130 getCursorDecl(C)); 1131 if (!FD) { 1132 return -1; 1133 } 1134 1135 const FunctionTemplateSpecializationInfo* SpecInfo = 1136 FD->getTemplateSpecializationInfo(); 1137 if (!SpecInfo) { 1138 return -1; 1139 } 1140 1141 return SpecInfo->TemplateArguments->size(); 1142 } 1143 1144 enum CXGetTemplateArgumentStatus { 1145 /** \brief The operation completed successfully */ 1146 CXGetTemplateArgumentStatus_Success = 0, 1147 1148 /** \brief The specified cursor did not represent a FunctionDecl. */ 1149 CXGetTemplateArgumentStatus_CursorNotFunctionDecl = -1, 1150 1151 /** \brief The specified cursor was not castable to a FunctionDecl. */ 1152 CXGetTemplateArgumentStatus_BadFunctionDeclCast = -2, 1153 1154 /** \brief A NULL FunctionTemplateSpecializationInfo was retrieved. */ 1155 CXGetTemplateArgumentStatus_NullTemplSpecInfo = -3, 1156 1157 /** \brief An invalid (OOB) argument index was specified */ 1158 CXGetTemplateArgumentStatus_InvalidIndex = -4 1159 }; 1160 1161 static int clang_Cursor_getTemplateArgument( 1162 CXCursor C, unsigned I, TemplateArgument *TA) { 1163 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1164 return CXGetTemplateArgumentStatus_CursorNotFunctionDecl; 1165 } 1166 1167 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1168 getCursorDecl(C)); 1169 if (!FD) { 1170 return CXGetTemplateArgumentStatus_BadFunctionDeclCast; 1171 } 1172 1173 const FunctionTemplateSpecializationInfo* SpecInfo = 1174 FD->getTemplateSpecializationInfo(); 1175 if (!SpecInfo) { 1176 return CXGetTemplateArgumentStatus_NullTemplSpecInfo; 1177 } 1178 1179 if (I >= SpecInfo->TemplateArguments->size()) { 1180 return CXGetTemplateArgumentStatus_InvalidIndex; 1181 } 1182 1183 *TA = SpecInfo->TemplateArguments->get(I); 1184 return 0; 1185 } 1186 1187 enum CXTemplateArgumentKind clang_Cursor_getTemplateArgumentKind(CXCursor C, 1188 unsigned I) { 1189 TemplateArgument TA; 1190 if (clang_Cursor_getTemplateArgument(C, I, &TA)) { 1191 return CXTemplateArgumentKind_Invalid; 1192 } 1193 1194 switch (TA.getKind()) { 1195 case TemplateArgument::Null: return CXTemplateArgumentKind_Null; 1196 case TemplateArgument::Type: return CXTemplateArgumentKind_Type; 1197 case TemplateArgument::Declaration: 1198 return CXTemplateArgumentKind_Declaration; 1199 case TemplateArgument::NullPtr: return CXTemplateArgumentKind_NullPtr; 1200 case TemplateArgument::Integral: return CXTemplateArgumentKind_Integral; 1201 case TemplateArgument::Template: return CXTemplateArgumentKind_Template; 1202 case TemplateArgument::TemplateExpansion: 1203 return CXTemplateArgumentKind_TemplateExpansion; 1204 case TemplateArgument::Expression: return CXTemplateArgumentKind_Expression; 1205 case TemplateArgument::Pack: return CXTemplateArgumentKind_Pack; 1206 } 1207 1208 return CXTemplateArgumentKind_Invalid; 1209 } 1210 1211 CXType clang_Cursor_getTemplateArgumentType(CXCursor C, unsigned I) { 1212 TemplateArgument TA; 1213 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1214 CXGetTemplateArgumentStatus_Success) { 1215 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1216 } 1217 1218 if (TA.getKind() != TemplateArgument::Type) { 1219 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1220 } 1221 1222 return cxtype::MakeCXType(TA.getAsType(), getCursorTU(C)); 1223 } 1224 1225 long long clang_Cursor_getTemplateArgumentValue(CXCursor C, unsigned I) { 1226 TemplateArgument TA; 1227 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1228 CXGetTemplateArgumentStatus_Success) { 1229 assert(0 && "Unable to retrieve TemplateArgument"); 1230 return 0; 1231 } 1232 1233 if (TA.getKind() != TemplateArgument::Integral) { 1234 assert(0 && "Passed template argument is not Integral"); 1235 return 0; 1236 } 1237 1238 return TA.getAsIntegral().getSExtValue(); 1239 } 1240 1241 unsigned long long clang_Cursor_getTemplateArgumentUnsignedValue(CXCursor C, 1242 unsigned I) { 1243 TemplateArgument TA; 1244 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1245 CXGetTemplateArgumentStatus_Success) { 1246 assert(0 && "Unable to retrieve TemplateArgument"); 1247 return 0; 1248 } 1249 1250 if (TA.getKind() != TemplateArgument::Integral) { 1251 assert(0 && "Passed template argument is not Integral"); 1252 return 0; 1253 } 1254 1255 return TA.getAsIntegral().getZExtValue(); 1256 } 1257 1258 } // end: extern "C" 1259 1260 //===----------------------------------------------------------------------===// 1261 // CXCursorSet. 1262 //===----------------------------------------------------------------------===// 1263 1264 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; 1265 1266 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { 1267 return (CXCursorSet) setImpl; 1268 } 1269 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { 1270 return (CXCursorSet_Impl*) set; 1271 } 1272 namespace llvm { 1273 template<> struct DenseMapInfo<CXCursor> { 1274 public: 1275 static inline CXCursor getEmptyKey() { 1276 return MakeCXCursorInvalid(CXCursor_InvalidFile); 1277 } 1278 static inline CXCursor getTombstoneKey() { 1279 return MakeCXCursorInvalid(CXCursor_NoDeclFound); 1280 } 1281 static inline unsigned getHashValue(const CXCursor &cursor) { 1282 return llvm::DenseMapInfo<std::pair<const void *, const void *> > 1283 ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); 1284 } 1285 static inline bool isEqual(const CXCursor &x, const CXCursor &y) { 1286 return x.kind == y.kind && 1287 x.data[0] == y.data[0] && 1288 x.data[1] == y.data[1]; 1289 } 1290 }; 1291 } 1292 1293 extern "C" { 1294 CXCursorSet clang_createCXCursorSet() { 1295 return packCXCursorSet(new CXCursorSet_Impl()); 1296 } 1297 1298 void clang_disposeCXCursorSet(CXCursorSet set) { 1299 delete unpackCXCursorSet(set); 1300 } 1301 1302 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { 1303 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1304 if (!setImpl) 1305 return 0; 1306 return setImpl->find(cursor) != setImpl->end(); 1307 } 1308 1309 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { 1310 // Do not insert invalid cursors into the set. 1311 if (cursor.kind >= CXCursor_FirstInvalid && 1312 cursor.kind <= CXCursor_LastInvalid) 1313 return 1; 1314 1315 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1316 if (!setImpl) 1317 return 1; 1318 unsigned &entry = (*setImpl)[cursor]; 1319 unsigned flag = entry == 0 ? 1 : 0; 1320 entry = 1; 1321 return flag; 1322 } 1323 1324 CXCompletionString clang_getCursorCompletionString(CXCursor cursor) { 1325 enum CXCursorKind kind = clang_getCursorKind(cursor); 1326 if (clang_isDeclaration(kind)) { 1327 const Decl *decl = getCursorDecl(cursor); 1328 if (const NamedDecl *namedDecl = dyn_cast_or_null<NamedDecl>(decl)) { 1329 ASTUnit *unit = getCursorASTUnit(cursor); 1330 CodeCompletionResult Result(namedDecl, CCP_Declaration); 1331 CodeCompletionString *String 1332 = Result.CreateCodeCompletionString(unit->getASTContext(), 1333 unit->getPreprocessor(), 1334 CodeCompletionContext::CCC_Other, 1335 unit->getCodeCompletionTUInfo().getAllocator(), 1336 unit->getCodeCompletionTUInfo(), 1337 true); 1338 return String; 1339 } 1340 } else if (kind == CXCursor_MacroDefinition) { 1341 const MacroDefinitionRecord *definition = getCursorMacroDefinition(cursor); 1342 const IdentifierInfo *MacroInfo = definition->getName(); 1343 ASTUnit *unit = getCursorASTUnit(cursor); 1344 CodeCompletionResult Result(MacroInfo); 1345 CodeCompletionString *String 1346 = Result.CreateCodeCompletionString(unit->getASTContext(), 1347 unit->getPreprocessor(), 1348 CodeCompletionContext::CCC_Other, 1349 unit->getCodeCompletionTUInfo().getAllocator(), 1350 unit->getCodeCompletionTUInfo(), 1351 false); 1352 return String; 1353 } 1354 return nullptr; 1355 } 1356 } // end: extern C. 1357 1358 namespace { 1359 struct OverridenCursorsPool { 1360 typedef SmallVector<CXCursor, 2> CursorVec; 1361 std::vector<CursorVec*> AllCursors; 1362 std::vector<CursorVec*> AvailableCursors; 1363 1364 ~OverridenCursorsPool() { 1365 for (std::vector<CursorVec*>::iterator I = AllCursors.begin(), 1366 E = AllCursors.end(); I != E; ++I) { 1367 delete *I; 1368 } 1369 } 1370 }; 1371 } 1372 1373 void *cxcursor::createOverridenCXCursorsPool() { 1374 return new OverridenCursorsPool(); 1375 } 1376 1377 void cxcursor::disposeOverridenCXCursorsPool(void *pool) { 1378 delete static_cast<OverridenCursorsPool*>(pool); 1379 } 1380 1381 extern "C" { 1382 void clang_getOverriddenCursors(CXCursor cursor, 1383 CXCursor **overridden, 1384 unsigned *num_overridden) { 1385 if (overridden) 1386 *overridden = nullptr; 1387 if (num_overridden) 1388 *num_overridden = 0; 1389 1390 CXTranslationUnit TU = cxcursor::getCursorTU(cursor); 1391 1392 if (!overridden || !num_overridden || !TU) 1393 return; 1394 1395 if (!clang_isDeclaration(cursor.kind)) 1396 return; 1397 1398 OverridenCursorsPool &pool = 1399 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1400 1401 OverridenCursorsPool::CursorVec *Vec = nullptr; 1402 1403 if (!pool.AvailableCursors.empty()) { 1404 Vec = pool.AvailableCursors.back(); 1405 pool.AvailableCursors.pop_back(); 1406 } 1407 else { 1408 Vec = new OverridenCursorsPool::CursorVec(); 1409 pool.AllCursors.push_back(Vec); 1410 } 1411 1412 // Clear out the vector, but don't free the memory contents. This 1413 // reduces malloc() traffic. 1414 Vec->clear(); 1415 1416 // Use the first entry to contain a back reference to the vector. 1417 // This is a complete hack. 1418 CXCursor backRefCursor = MakeCXCursorInvalid(CXCursor_InvalidFile, TU); 1419 backRefCursor.data[0] = Vec; 1420 assert(cxcursor::getCursorTU(backRefCursor) == TU); 1421 Vec->push_back(backRefCursor); 1422 1423 // Get the overriden cursors. 1424 cxcursor::getOverriddenCursors(cursor, *Vec); 1425 1426 // Did we get any overriden cursors? If not, return Vec to the pool 1427 // of available cursor vectors. 1428 if (Vec->size() == 1) { 1429 pool.AvailableCursors.push_back(Vec); 1430 return; 1431 } 1432 1433 // Now tell the caller about the overriden cursors. 1434 assert(Vec->size() > 1); 1435 *overridden = &((*Vec)[1]); 1436 *num_overridden = Vec->size() - 1; 1437 } 1438 1439 void clang_disposeOverriddenCursors(CXCursor *overridden) { 1440 if (!overridden) 1441 return; 1442 1443 // Use pointer arithmetic to get back the first faux entry 1444 // which has a back-reference to the TU and the vector. 1445 --overridden; 1446 OverridenCursorsPool::CursorVec *Vec = 1447 static_cast<OverridenCursorsPool::CursorVec *>( 1448 const_cast<void *>(overridden->data[0])); 1449 CXTranslationUnit TU = getCursorTU(*overridden); 1450 1451 assert(Vec && TU); 1452 1453 OverridenCursorsPool &pool = 1454 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1455 1456 pool.AvailableCursors.push_back(Vec); 1457 } 1458 1459 int clang_Cursor_isDynamicCall(CXCursor C) { 1460 const Expr *E = nullptr; 1461 if (clang_isExpression(C.kind)) 1462 E = getCursorExpr(C); 1463 if (!E) 1464 return 0; 1465 1466 if (const ObjCMessageExpr *MsgE = dyn_cast<ObjCMessageExpr>(E)) { 1467 if (MsgE->getReceiverKind() != ObjCMessageExpr::Instance) 1468 return false; 1469 if (auto *RecE = dyn_cast<ObjCMessageExpr>( 1470 MsgE->getInstanceReceiver()->IgnoreParenCasts())) { 1471 if (RecE->getMethodFamily() == OMF_alloc) 1472 return false; 1473 } 1474 return true; 1475 } 1476 1477 const MemberExpr *ME = nullptr; 1478 if (isa<MemberExpr>(E)) 1479 ME = cast<MemberExpr>(E); 1480 else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) 1481 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); 1482 1483 if (ME) { 1484 if (const CXXMethodDecl * 1485 MD = dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) 1486 return MD->isVirtual() && !ME->hasQualifier(); 1487 } 1488 1489 return 0; 1490 } 1491 1492 CXType clang_Cursor_getReceiverType(CXCursor C) { 1493 CXTranslationUnit TU = cxcursor::getCursorTU(C); 1494 const Expr *E = nullptr; 1495 if (clang_isExpression(C.kind)) 1496 E = getCursorExpr(C); 1497 1498 if (const ObjCMessageExpr *MsgE = dyn_cast_or_null<ObjCMessageExpr>(E)) 1499 return cxtype::MakeCXType(MsgE->getReceiverType(), TU); 1500 1501 return cxtype::MakeCXType(QualType(), TU); 1502 } 1503 1504 } // end: extern "C" 1505