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::OMPTeamsDirectiveClass: 604 K = CXCursor_OMPTeamsDirective; 605 break; 606 case Stmt::OMPCancellationPointDirectiveClass: 607 K = CXCursor_OMPCancellationPointDirective; 608 break; 609 case Stmt::OMPCancelDirectiveClass: 610 K = CXCursor_OMPCancelDirective; 611 break; 612 case Stmt::OMPTaskLoopDirectiveClass: 613 K = CXCursor_OMPTaskLoopDirective; 614 break; 615 case Stmt::OMPTaskLoopSimdDirectiveClass: 616 K = CXCursor_OMPTaskLoopSimdDirective; 617 break; 618 case Stmt::OMPDistributeDirectiveClass: 619 K = CXCursor_OMPDistributeDirective; 620 break; 621 } 622 623 CXCursor C = { K, 0, { Parent, S, TU } }; 624 return C; 625 } 626 627 CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super, 628 SourceLocation Loc, 629 CXTranslationUnit TU) { 630 assert(Super && TU && "Invalid arguments!"); 631 void *RawLoc = Loc.getPtrEncoding(); 632 CXCursor C = { CXCursor_ObjCSuperClassRef, 0, { Super, RawLoc, TU } }; 633 return C; 634 } 635 636 std::pair<const ObjCInterfaceDecl *, SourceLocation> 637 cxcursor::getCursorObjCSuperClassRef(CXCursor C) { 638 assert(C.kind == CXCursor_ObjCSuperClassRef); 639 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 640 SourceLocation::getFromPtrEncoding(C.data[1])); 641 } 642 643 CXCursor cxcursor::MakeCursorObjCProtocolRef(const ObjCProtocolDecl *Proto, 644 SourceLocation Loc, 645 CXTranslationUnit TU) { 646 assert(Proto && TU && "Invalid arguments!"); 647 void *RawLoc = Loc.getPtrEncoding(); 648 CXCursor C = { CXCursor_ObjCProtocolRef, 0, { Proto, RawLoc, TU } }; 649 return C; 650 } 651 652 std::pair<const ObjCProtocolDecl *, SourceLocation> 653 cxcursor::getCursorObjCProtocolRef(CXCursor C) { 654 assert(C.kind == CXCursor_ObjCProtocolRef); 655 return std::make_pair(static_cast<const ObjCProtocolDecl *>(C.data[0]), 656 SourceLocation::getFromPtrEncoding(C.data[1])); 657 } 658 659 CXCursor cxcursor::MakeCursorObjCClassRef(const ObjCInterfaceDecl *Class, 660 SourceLocation Loc, 661 CXTranslationUnit TU) { 662 // 'Class' can be null for invalid code. 663 if (!Class) 664 return MakeCXCursorInvalid(CXCursor_InvalidCode); 665 assert(TU && "Invalid arguments!"); 666 void *RawLoc = Loc.getPtrEncoding(); 667 CXCursor C = { CXCursor_ObjCClassRef, 0, { Class, RawLoc, TU } }; 668 return C; 669 } 670 671 std::pair<const ObjCInterfaceDecl *, SourceLocation> 672 cxcursor::getCursorObjCClassRef(CXCursor C) { 673 assert(C.kind == CXCursor_ObjCClassRef); 674 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 675 SourceLocation::getFromPtrEncoding(C.data[1])); 676 } 677 678 CXCursor cxcursor::MakeCursorTypeRef(const TypeDecl *Type, SourceLocation Loc, 679 CXTranslationUnit TU) { 680 assert(Type && TU && "Invalid arguments!"); 681 void *RawLoc = Loc.getPtrEncoding(); 682 CXCursor C = { CXCursor_TypeRef, 0, { Type, RawLoc, TU } }; 683 return C; 684 } 685 686 std::pair<const TypeDecl *, SourceLocation> 687 cxcursor::getCursorTypeRef(CXCursor C) { 688 assert(C.kind == CXCursor_TypeRef); 689 return std::make_pair(static_cast<const TypeDecl *>(C.data[0]), 690 SourceLocation::getFromPtrEncoding(C.data[1])); 691 } 692 693 CXCursor cxcursor::MakeCursorTemplateRef(const TemplateDecl *Template, 694 SourceLocation Loc, 695 CXTranslationUnit TU) { 696 assert(Template && TU && "Invalid arguments!"); 697 void *RawLoc = Loc.getPtrEncoding(); 698 CXCursor C = { CXCursor_TemplateRef, 0, { Template, RawLoc, TU } }; 699 return C; 700 } 701 702 std::pair<const TemplateDecl *, SourceLocation> 703 cxcursor::getCursorTemplateRef(CXCursor C) { 704 assert(C.kind == CXCursor_TemplateRef); 705 return std::make_pair(static_cast<const TemplateDecl *>(C.data[0]), 706 SourceLocation::getFromPtrEncoding(C.data[1])); 707 } 708 709 CXCursor cxcursor::MakeCursorNamespaceRef(const NamedDecl *NS, 710 SourceLocation Loc, 711 CXTranslationUnit TU) { 712 713 assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU && 714 "Invalid arguments!"); 715 void *RawLoc = Loc.getPtrEncoding(); 716 CXCursor C = { CXCursor_NamespaceRef, 0, { NS, RawLoc, TU } }; 717 return C; 718 } 719 720 std::pair<const NamedDecl *, SourceLocation> 721 cxcursor::getCursorNamespaceRef(CXCursor C) { 722 assert(C.kind == CXCursor_NamespaceRef); 723 return std::make_pair(static_cast<const NamedDecl *>(C.data[0]), 724 SourceLocation::getFromPtrEncoding(C.data[1])); 725 } 726 727 CXCursor cxcursor::MakeCursorVariableRef(const VarDecl *Var, SourceLocation Loc, 728 CXTranslationUnit TU) { 729 730 assert(Var && TU && "Invalid arguments!"); 731 void *RawLoc = Loc.getPtrEncoding(); 732 CXCursor C = { CXCursor_VariableRef, 0, { Var, RawLoc, TU } }; 733 return C; 734 } 735 736 std::pair<const VarDecl *, SourceLocation> 737 cxcursor::getCursorVariableRef(CXCursor C) { 738 assert(C.kind == CXCursor_VariableRef); 739 return std::make_pair(static_cast<const VarDecl *>(C.data[0]), 740 SourceLocation::getFromPtrEncoding(C.data[1])); 741 } 742 743 CXCursor cxcursor::MakeCursorMemberRef(const FieldDecl *Field, SourceLocation Loc, 744 CXTranslationUnit TU) { 745 746 assert(Field && TU && "Invalid arguments!"); 747 void *RawLoc = Loc.getPtrEncoding(); 748 CXCursor C = { CXCursor_MemberRef, 0, { Field, RawLoc, TU } }; 749 return C; 750 } 751 752 std::pair<const FieldDecl *, SourceLocation> 753 cxcursor::getCursorMemberRef(CXCursor C) { 754 assert(C.kind == CXCursor_MemberRef); 755 return std::make_pair(static_cast<const FieldDecl *>(C.data[0]), 756 SourceLocation::getFromPtrEncoding(C.data[1])); 757 } 758 759 CXCursor cxcursor::MakeCursorCXXBaseSpecifier(const CXXBaseSpecifier *B, 760 CXTranslationUnit TU){ 761 CXCursor C = { CXCursor_CXXBaseSpecifier, 0, { B, nullptr, TU } }; 762 return C; 763 } 764 765 const CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) { 766 assert(C.kind == CXCursor_CXXBaseSpecifier); 767 return static_cast<const CXXBaseSpecifier*>(C.data[0]); 768 } 769 770 CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range, 771 CXTranslationUnit TU) { 772 CXCursor C = { CXCursor_PreprocessingDirective, 0, 773 { Range.getBegin().getPtrEncoding(), 774 Range.getEnd().getPtrEncoding(), 775 TU } 776 }; 777 return C; 778 } 779 780 SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) { 781 assert(C.kind == CXCursor_PreprocessingDirective); 782 SourceRange Range(SourceLocation::getFromPtrEncoding(C.data[0]), 783 SourceLocation::getFromPtrEncoding(C.data[1])); 784 ASTUnit *TU = getCursorASTUnit(C); 785 return TU->mapRangeFromPreamble(Range); 786 } 787 788 CXCursor cxcursor::MakeMacroDefinitionCursor(const MacroDefinitionRecord *MI, 789 CXTranslationUnit TU) { 790 CXCursor C = {CXCursor_MacroDefinition, 0, {MI, nullptr, TU}}; 791 return C; 792 } 793 794 const MacroDefinitionRecord *cxcursor::getCursorMacroDefinition(CXCursor C) { 795 assert(C.kind == CXCursor_MacroDefinition); 796 return static_cast<const MacroDefinitionRecord *>(C.data[0]); 797 } 798 799 CXCursor cxcursor::MakeMacroExpansionCursor(MacroExpansion *MI, 800 CXTranslationUnit TU) { 801 CXCursor C = { CXCursor_MacroExpansion, 0, { MI, nullptr, TU } }; 802 return C; 803 } 804 805 CXCursor cxcursor::MakeMacroExpansionCursor(MacroDefinitionRecord *MI, 806 SourceLocation Loc, 807 CXTranslationUnit TU) { 808 assert(Loc.isValid()); 809 CXCursor C = {CXCursor_MacroExpansion, 0, {MI, Loc.getPtrEncoding(), TU}}; 810 return C; 811 } 812 813 const IdentifierInfo *cxcursor::MacroExpansionCursor::getName() const { 814 if (isPseudo()) 815 return getAsMacroDefinition()->getName(); 816 return getAsMacroExpansion()->getName(); 817 } 818 const MacroDefinitionRecord * 819 cxcursor::MacroExpansionCursor::getDefinition() const { 820 if (isPseudo()) 821 return getAsMacroDefinition(); 822 return getAsMacroExpansion()->getDefinition(); 823 } 824 SourceRange cxcursor::MacroExpansionCursor::getSourceRange() const { 825 if (isPseudo()) 826 return getPseudoLoc(); 827 return getAsMacroExpansion()->getSourceRange(); 828 } 829 830 CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID, 831 CXTranslationUnit TU) { 832 CXCursor C = { CXCursor_InclusionDirective, 0, { ID, nullptr, TU } }; 833 return C; 834 } 835 836 const InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) { 837 assert(C.kind == CXCursor_InclusionDirective); 838 return static_cast<const InclusionDirective *>(C.data[0]); 839 } 840 841 CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc, 842 CXTranslationUnit TU) { 843 844 assert(Label && TU && "Invalid arguments!"); 845 void *RawLoc = Loc.getPtrEncoding(); 846 CXCursor C = { CXCursor_LabelRef, 0, { Label, RawLoc, TU } }; 847 return C; 848 } 849 850 std::pair<const LabelStmt *, SourceLocation> 851 cxcursor::getCursorLabelRef(CXCursor C) { 852 assert(C.kind == CXCursor_LabelRef); 853 return std::make_pair(static_cast<const LabelStmt *>(C.data[0]), 854 SourceLocation::getFromPtrEncoding(C.data[1])); 855 } 856 857 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const OverloadExpr *E, 858 CXTranslationUnit TU) { 859 assert(E && TU && "Invalid arguments!"); 860 OverloadedDeclRefStorage Storage(E); 861 void *RawLoc = E->getNameLoc().getPtrEncoding(); 862 CXCursor C = { 863 CXCursor_OverloadedDeclRef, 0, 864 { Storage.getOpaqueValue(), RawLoc, TU } 865 }; 866 return C; 867 } 868 869 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const Decl *D, 870 SourceLocation Loc, 871 CXTranslationUnit TU) { 872 assert(D && TU && "Invalid arguments!"); 873 void *RawLoc = Loc.getPtrEncoding(); 874 OverloadedDeclRefStorage Storage(D); 875 CXCursor C = { 876 CXCursor_OverloadedDeclRef, 0, 877 { Storage.getOpaqueValue(), RawLoc, TU } 878 }; 879 return C; 880 } 881 882 CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name, 883 SourceLocation Loc, 884 CXTranslationUnit TU) { 885 assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!"); 886 void *RawLoc = Loc.getPtrEncoding(); 887 OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate()); 888 CXCursor C = { 889 CXCursor_OverloadedDeclRef, 0, 890 { Storage.getOpaqueValue(), RawLoc, TU } 891 }; 892 return C; 893 } 894 895 std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation> 896 cxcursor::getCursorOverloadedDeclRef(CXCursor C) { 897 assert(C.kind == CXCursor_OverloadedDeclRef); 898 return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue( 899 const_cast<void *>(C.data[0])), 900 SourceLocation::getFromPtrEncoding(C.data[1])); 901 } 902 903 const Decl *cxcursor::getCursorDecl(CXCursor Cursor) { 904 return static_cast<const Decl *>(Cursor.data[0]); 905 } 906 907 const Expr *cxcursor::getCursorExpr(CXCursor Cursor) { 908 return dyn_cast_or_null<Expr>(getCursorStmt(Cursor)); 909 } 910 911 const Stmt *cxcursor::getCursorStmt(CXCursor Cursor) { 912 if (Cursor.kind == CXCursor_ObjCSuperClassRef || 913 Cursor.kind == CXCursor_ObjCProtocolRef || 914 Cursor.kind == CXCursor_ObjCClassRef) 915 return nullptr; 916 917 return static_cast<const Stmt *>(Cursor.data[1]); 918 } 919 920 const Attr *cxcursor::getCursorAttr(CXCursor Cursor) { 921 return static_cast<const Attr *>(Cursor.data[1]); 922 } 923 924 const Decl *cxcursor::getCursorParentDecl(CXCursor Cursor) { 925 return static_cast<const Decl *>(Cursor.data[0]); 926 } 927 928 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { 929 return getCursorASTUnit(Cursor)->getASTContext(); 930 } 931 932 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { 933 CXTranslationUnit TU = getCursorTU(Cursor); 934 if (!TU) 935 return nullptr; 936 return cxtu::getASTUnit(TU); 937 } 938 939 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { 940 return static_cast<CXTranslationUnit>(const_cast<void*>(Cursor.data[2])); 941 } 942 943 void cxcursor::getOverriddenCursors(CXCursor cursor, 944 SmallVectorImpl<CXCursor> &overridden) { 945 assert(clang_isDeclaration(cursor.kind)); 946 const NamedDecl *D = dyn_cast_or_null<NamedDecl>(getCursorDecl(cursor)); 947 if (!D) 948 return; 949 950 CXTranslationUnit TU = getCursorTU(cursor); 951 SmallVector<const NamedDecl *, 8> OverDecls; 952 D->getASTContext().getOverriddenMethods(D, OverDecls); 953 954 for (SmallVectorImpl<const NamedDecl *>::iterator 955 I = OverDecls.begin(), E = OverDecls.end(); I != E; ++I) { 956 overridden.push_back(MakeCXCursor(*I, TU)); 957 } 958 } 959 960 std::pair<int, SourceLocation> 961 cxcursor::getSelectorIdentifierIndexAndLoc(CXCursor cursor) { 962 if (cursor.kind == CXCursor_ObjCMessageExpr) { 963 if (cursor.xdata != -1) 964 return std::make_pair(cursor.xdata, 965 cast<ObjCMessageExpr>(getCursorExpr(cursor)) 966 ->getSelectorLoc(cursor.xdata)); 967 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 968 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 969 if (cursor.xdata != -1) 970 return std::make_pair(cursor.xdata, 971 cast<ObjCMethodDecl>(getCursorDecl(cursor)) 972 ->getSelectorLoc(cursor.xdata)); 973 } 974 975 return std::make_pair(-1, SourceLocation()); 976 } 977 978 CXCursor cxcursor::getSelectorIdentifierCursor(int SelIdx, CXCursor cursor) { 979 CXCursor newCursor = cursor; 980 981 if (cursor.kind == CXCursor_ObjCMessageExpr) { 982 if (SelIdx == -1 || 983 unsigned(SelIdx) >= cast<ObjCMessageExpr>(getCursorExpr(cursor)) 984 ->getNumSelectorLocs()) 985 newCursor.xdata = -1; 986 else 987 newCursor.xdata = SelIdx; 988 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 989 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 990 if (SelIdx == -1 || 991 unsigned(SelIdx) >= cast<ObjCMethodDecl>(getCursorDecl(cursor)) 992 ->getNumSelectorLocs()) 993 newCursor.xdata = -1; 994 else 995 newCursor.xdata = SelIdx; 996 } 997 998 return newCursor; 999 } 1000 1001 CXCursor cxcursor::getTypeRefCursor(CXCursor cursor) { 1002 if (cursor.kind != CXCursor_CallExpr) 1003 return cursor; 1004 1005 if (cursor.xdata == 0) 1006 return cursor; 1007 1008 const Expr *E = getCursorExpr(cursor); 1009 TypeSourceInfo *Type = nullptr; 1010 if (const CXXUnresolvedConstructExpr * 1011 UnCtor = dyn_cast<CXXUnresolvedConstructExpr>(E)) { 1012 Type = UnCtor->getTypeSourceInfo(); 1013 } else if (const CXXTemporaryObjectExpr *Tmp = 1014 dyn_cast<CXXTemporaryObjectExpr>(E)){ 1015 Type = Tmp->getTypeSourceInfo(); 1016 } 1017 1018 if (!Type) 1019 return cursor; 1020 1021 CXTranslationUnit TU = getCursorTU(cursor); 1022 QualType Ty = Type->getType(); 1023 TypeLoc TL = Type->getTypeLoc(); 1024 SourceLocation Loc = TL.getBeginLoc(); 1025 1026 if (const ElaboratedType *ElabT = Ty->getAs<ElaboratedType>()) { 1027 Ty = ElabT->getNamedType(); 1028 ElaboratedTypeLoc ElabTL = TL.castAs<ElaboratedTypeLoc>(); 1029 Loc = ElabTL.getNamedTypeLoc().getBeginLoc(); 1030 } 1031 1032 if (const TypedefType *Typedef = Ty->getAs<TypedefType>()) 1033 return MakeCursorTypeRef(Typedef->getDecl(), Loc, TU); 1034 if (const TagType *Tag = Ty->getAs<TagType>()) 1035 return MakeCursorTypeRef(Tag->getDecl(), Loc, TU); 1036 if (const TemplateTypeParmType *TemplP = Ty->getAs<TemplateTypeParmType>()) 1037 return MakeCursorTypeRef(TemplP->getDecl(), Loc, TU); 1038 1039 return cursor; 1040 } 1041 1042 bool cxcursor::operator==(CXCursor X, CXCursor Y) { 1043 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && 1044 X.data[2] == Y.data[2]; 1045 } 1046 1047 // FIXME: Remove once we can model DeclGroups and their appropriate ranges 1048 // properly in the ASTs. 1049 bool cxcursor::isFirstInDeclGroup(CXCursor C) { 1050 assert(clang_isDeclaration(C.kind)); 1051 return ((uintptr_t) (C.data[1])) != 0; 1052 } 1053 1054 //===----------------------------------------------------------------------===// 1055 // libclang CXCursor APIs 1056 //===----------------------------------------------------------------------===// 1057 1058 extern "C" { 1059 1060 int clang_Cursor_isNull(CXCursor cursor) { 1061 return clang_equalCursors(cursor, clang_getNullCursor()); 1062 } 1063 1064 CXTranslationUnit clang_Cursor_getTranslationUnit(CXCursor cursor) { 1065 return getCursorTU(cursor); 1066 } 1067 1068 int clang_Cursor_getNumArguments(CXCursor C) { 1069 if (clang_isDeclaration(C.kind)) { 1070 const Decl *D = cxcursor::getCursorDecl(C); 1071 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) 1072 return MD->param_size(); 1073 if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) 1074 return FD->param_size(); 1075 } 1076 1077 if (clang_isExpression(C.kind)) { 1078 const Expr *E = cxcursor::getCursorExpr(C); 1079 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1080 return CE->getNumArgs(); 1081 } 1082 } 1083 1084 return -1; 1085 } 1086 1087 CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i) { 1088 if (clang_isDeclaration(C.kind)) { 1089 const Decl *D = cxcursor::getCursorDecl(C); 1090 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) { 1091 if (i < MD->param_size()) 1092 return cxcursor::MakeCXCursor(MD->parameters()[i], 1093 cxcursor::getCursorTU(C)); 1094 } else if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) { 1095 if (i < FD->param_size()) 1096 return cxcursor::MakeCXCursor(FD->parameters()[i], 1097 cxcursor::getCursorTU(C)); 1098 } 1099 } 1100 1101 if (clang_isExpression(C.kind)) { 1102 const Expr *E = cxcursor::getCursorExpr(C); 1103 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1104 if (i < CE->getNumArgs()) { 1105 return cxcursor::MakeCXCursor(CE->getArg(i), 1106 getCursorDecl(C), 1107 cxcursor::getCursorTU(C)); 1108 } 1109 } 1110 } 1111 1112 return clang_getNullCursor(); 1113 } 1114 1115 int clang_Cursor_getNumTemplateArguments(CXCursor C) { 1116 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1117 return -1; 1118 } 1119 1120 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1121 getCursorDecl(C)); 1122 if (!FD) { 1123 return -1; 1124 } 1125 1126 const FunctionTemplateSpecializationInfo* SpecInfo = 1127 FD->getTemplateSpecializationInfo(); 1128 if (!SpecInfo) { 1129 return -1; 1130 } 1131 1132 return SpecInfo->TemplateArguments->size(); 1133 } 1134 1135 enum CXGetTemplateArgumentStatus { 1136 /** \brief The operation completed successfully */ 1137 CXGetTemplateArgumentStatus_Success = 0, 1138 1139 /** \brief The specified cursor did not represent a FunctionDecl. */ 1140 CXGetTemplateArgumentStatus_CursorNotFunctionDecl = -1, 1141 1142 /** \brief The specified cursor was not castable to a FunctionDecl. */ 1143 CXGetTemplateArgumentStatus_BadFunctionDeclCast = -2, 1144 1145 /** \brief A NULL FunctionTemplateSpecializationInfo was retrieved. */ 1146 CXGetTemplateArgumentStatus_NullTemplSpecInfo = -3, 1147 1148 /** \brief An invalid (OOB) argument index was specified */ 1149 CXGetTemplateArgumentStatus_InvalidIndex = -4 1150 }; 1151 1152 static int clang_Cursor_getTemplateArgument( 1153 CXCursor C, unsigned I, TemplateArgument *TA) { 1154 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1155 return CXGetTemplateArgumentStatus_CursorNotFunctionDecl; 1156 } 1157 1158 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1159 getCursorDecl(C)); 1160 if (!FD) { 1161 return CXGetTemplateArgumentStatus_BadFunctionDeclCast; 1162 } 1163 1164 const FunctionTemplateSpecializationInfo* SpecInfo = 1165 FD->getTemplateSpecializationInfo(); 1166 if (!SpecInfo) { 1167 return CXGetTemplateArgumentStatus_NullTemplSpecInfo; 1168 } 1169 1170 if (I >= SpecInfo->TemplateArguments->size()) { 1171 return CXGetTemplateArgumentStatus_InvalidIndex; 1172 } 1173 1174 *TA = SpecInfo->TemplateArguments->get(I); 1175 return 0; 1176 } 1177 1178 enum CXTemplateArgumentKind clang_Cursor_getTemplateArgumentKind(CXCursor C, 1179 unsigned I) { 1180 TemplateArgument TA; 1181 if (clang_Cursor_getTemplateArgument(C, I, &TA)) { 1182 return CXTemplateArgumentKind_Invalid; 1183 } 1184 1185 switch (TA.getKind()) { 1186 case TemplateArgument::Null: return CXTemplateArgumentKind_Null; 1187 case TemplateArgument::Type: return CXTemplateArgumentKind_Type; 1188 case TemplateArgument::Declaration: 1189 return CXTemplateArgumentKind_Declaration; 1190 case TemplateArgument::NullPtr: return CXTemplateArgumentKind_NullPtr; 1191 case TemplateArgument::Integral: return CXTemplateArgumentKind_Integral; 1192 case TemplateArgument::Template: return CXTemplateArgumentKind_Template; 1193 case TemplateArgument::TemplateExpansion: 1194 return CXTemplateArgumentKind_TemplateExpansion; 1195 case TemplateArgument::Expression: return CXTemplateArgumentKind_Expression; 1196 case TemplateArgument::Pack: return CXTemplateArgumentKind_Pack; 1197 } 1198 1199 return CXTemplateArgumentKind_Invalid; 1200 } 1201 1202 CXType clang_Cursor_getTemplateArgumentType(CXCursor C, unsigned I) { 1203 TemplateArgument TA; 1204 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1205 CXGetTemplateArgumentStatus_Success) { 1206 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1207 } 1208 1209 if (TA.getKind() != TemplateArgument::Type) { 1210 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1211 } 1212 1213 return cxtype::MakeCXType(TA.getAsType(), getCursorTU(C)); 1214 } 1215 1216 long long clang_Cursor_getTemplateArgumentValue(CXCursor C, unsigned I) { 1217 TemplateArgument TA; 1218 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1219 CXGetTemplateArgumentStatus_Success) { 1220 assert(0 && "Unable to retrieve TemplateArgument"); 1221 return 0; 1222 } 1223 1224 if (TA.getKind() != TemplateArgument::Integral) { 1225 assert(0 && "Passed template argument is not Integral"); 1226 return 0; 1227 } 1228 1229 return TA.getAsIntegral().getSExtValue(); 1230 } 1231 1232 unsigned long long clang_Cursor_getTemplateArgumentUnsignedValue(CXCursor C, 1233 unsigned I) { 1234 TemplateArgument TA; 1235 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1236 CXGetTemplateArgumentStatus_Success) { 1237 assert(0 && "Unable to retrieve TemplateArgument"); 1238 return 0; 1239 } 1240 1241 if (TA.getKind() != TemplateArgument::Integral) { 1242 assert(0 && "Passed template argument is not Integral"); 1243 return 0; 1244 } 1245 1246 return TA.getAsIntegral().getZExtValue(); 1247 } 1248 1249 } // end: extern "C" 1250 1251 //===----------------------------------------------------------------------===// 1252 // CXCursorSet. 1253 //===----------------------------------------------------------------------===// 1254 1255 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; 1256 1257 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { 1258 return (CXCursorSet) setImpl; 1259 } 1260 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { 1261 return (CXCursorSet_Impl*) set; 1262 } 1263 namespace llvm { 1264 template<> struct DenseMapInfo<CXCursor> { 1265 public: 1266 static inline CXCursor getEmptyKey() { 1267 return MakeCXCursorInvalid(CXCursor_InvalidFile); 1268 } 1269 static inline CXCursor getTombstoneKey() { 1270 return MakeCXCursorInvalid(CXCursor_NoDeclFound); 1271 } 1272 static inline unsigned getHashValue(const CXCursor &cursor) { 1273 return llvm::DenseMapInfo<std::pair<const void *, const void *> > 1274 ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); 1275 } 1276 static inline bool isEqual(const CXCursor &x, const CXCursor &y) { 1277 return x.kind == y.kind && 1278 x.data[0] == y.data[0] && 1279 x.data[1] == y.data[1]; 1280 } 1281 }; 1282 } 1283 1284 extern "C" { 1285 CXCursorSet clang_createCXCursorSet() { 1286 return packCXCursorSet(new CXCursorSet_Impl()); 1287 } 1288 1289 void clang_disposeCXCursorSet(CXCursorSet set) { 1290 delete unpackCXCursorSet(set); 1291 } 1292 1293 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { 1294 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1295 if (!setImpl) 1296 return 0; 1297 return setImpl->find(cursor) != setImpl->end(); 1298 } 1299 1300 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { 1301 // Do not insert invalid cursors into the set. 1302 if (cursor.kind >= CXCursor_FirstInvalid && 1303 cursor.kind <= CXCursor_LastInvalid) 1304 return 1; 1305 1306 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1307 if (!setImpl) 1308 return 1; 1309 unsigned &entry = (*setImpl)[cursor]; 1310 unsigned flag = entry == 0 ? 1 : 0; 1311 entry = 1; 1312 return flag; 1313 } 1314 1315 CXCompletionString clang_getCursorCompletionString(CXCursor cursor) { 1316 enum CXCursorKind kind = clang_getCursorKind(cursor); 1317 if (clang_isDeclaration(kind)) { 1318 const Decl *decl = getCursorDecl(cursor); 1319 if (const NamedDecl *namedDecl = dyn_cast_or_null<NamedDecl>(decl)) { 1320 ASTUnit *unit = getCursorASTUnit(cursor); 1321 CodeCompletionResult Result(namedDecl, CCP_Declaration); 1322 CodeCompletionString *String 1323 = Result.CreateCodeCompletionString(unit->getASTContext(), 1324 unit->getPreprocessor(), 1325 CodeCompletionContext::CCC_Other, 1326 unit->getCodeCompletionTUInfo().getAllocator(), 1327 unit->getCodeCompletionTUInfo(), 1328 true); 1329 return String; 1330 } 1331 } else if (kind == CXCursor_MacroDefinition) { 1332 const MacroDefinitionRecord *definition = getCursorMacroDefinition(cursor); 1333 const IdentifierInfo *MacroInfo = definition->getName(); 1334 ASTUnit *unit = getCursorASTUnit(cursor); 1335 CodeCompletionResult Result(MacroInfo); 1336 CodeCompletionString *String 1337 = Result.CreateCodeCompletionString(unit->getASTContext(), 1338 unit->getPreprocessor(), 1339 CodeCompletionContext::CCC_Other, 1340 unit->getCodeCompletionTUInfo().getAllocator(), 1341 unit->getCodeCompletionTUInfo(), 1342 false); 1343 return String; 1344 } 1345 return nullptr; 1346 } 1347 } // end: extern C. 1348 1349 namespace { 1350 struct OverridenCursorsPool { 1351 typedef SmallVector<CXCursor, 2> CursorVec; 1352 std::vector<CursorVec*> AllCursors; 1353 std::vector<CursorVec*> AvailableCursors; 1354 1355 ~OverridenCursorsPool() { 1356 for (std::vector<CursorVec*>::iterator I = AllCursors.begin(), 1357 E = AllCursors.end(); I != E; ++I) { 1358 delete *I; 1359 } 1360 } 1361 }; 1362 } 1363 1364 void *cxcursor::createOverridenCXCursorsPool() { 1365 return new OverridenCursorsPool(); 1366 } 1367 1368 void cxcursor::disposeOverridenCXCursorsPool(void *pool) { 1369 delete static_cast<OverridenCursorsPool*>(pool); 1370 } 1371 1372 extern "C" { 1373 void clang_getOverriddenCursors(CXCursor cursor, 1374 CXCursor **overridden, 1375 unsigned *num_overridden) { 1376 if (overridden) 1377 *overridden = nullptr; 1378 if (num_overridden) 1379 *num_overridden = 0; 1380 1381 CXTranslationUnit TU = cxcursor::getCursorTU(cursor); 1382 1383 if (!overridden || !num_overridden || !TU) 1384 return; 1385 1386 if (!clang_isDeclaration(cursor.kind)) 1387 return; 1388 1389 OverridenCursorsPool &pool = 1390 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1391 1392 OverridenCursorsPool::CursorVec *Vec = nullptr; 1393 1394 if (!pool.AvailableCursors.empty()) { 1395 Vec = pool.AvailableCursors.back(); 1396 pool.AvailableCursors.pop_back(); 1397 } 1398 else { 1399 Vec = new OverridenCursorsPool::CursorVec(); 1400 pool.AllCursors.push_back(Vec); 1401 } 1402 1403 // Clear out the vector, but don't free the memory contents. This 1404 // reduces malloc() traffic. 1405 Vec->clear(); 1406 1407 // Use the first entry to contain a back reference to the vector. 1408 // This is a complete hack. 1409 CXCursor backRefCursor = MakeCXCursorInvalid(CXCursor_InvalidFile, TU); 1410 backRefCursor.data[0] = Vec; 1411 assert(cxcursor::getCursorTU(backRefCursor) == TU); 1412 Vec->push_back(backRefCursor); 1413 1414 // Get the overriden cursors. 1415 cxcursor::getOverriddenCursors(cursor, *Vec); 1416 1417 // Did we get any overriden cursors? If not, return Vec to the pool 1418 // of available cursor vectors. 1419 if (Vec->size() == 1) { 1420 pool.AvailableCursors.push_back(Vec); 1421 return; 1422 } 1423 1424 // Now tell the caller about the overriden cursors. 1425 assert(Vec->size() > 1); 1426 *overridden = &((*Vec)[1]); 1427 *num_overridden = Vec->size() - 1; 1428 } 1429 1430 void clang_disposeOverriddenCursors(CXCursor *overridden) { 1431 if (!overridden) 1432 return; 1433 1434 // Use pointer arithmetic to get back the first faux entry 1435 // which has a back-reference to the TU and the vector. 1436 --overridden; 1437 OverridenCursorsPool::CursorVec *Vec = 1438 static_cast<OverridenCursorsPool::CursorVec *>( 1439 const_cast<void *>(overridden->data[0])); 1440 CXTranslationUnit TU = getCursorTU(*overridden); 1441 1442 assert(Vec && TU); 1443 1444 OverridenCursorsPool &pool = 1445 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1446 1447 pool.AvailableCursors.push_back(Vec); 1448 } 1449 1450 int clang_Cursor_isDynamicCall(CXCursor C) { 1451 const Expr *E = nullptr; 1452 if (clang_isExpression(C.kind)) 1453 E = getCursorExpr(C); 1454 if (!E) 1455 return 0; 1456 1457 if (const ObjCMessageExpr *MsgE = dyn_cast<ObjCMessageExpr>(E)) { 1458 if (MsgE->getReceiverKind() != ObjCMessageExpr::Instance) 1459 return false; 1460 if (auto *RecE = dyn_cast<ObjCMessageExpr>( 1461 MsgE->getInstanceReceiver()->IgnoreParenCasts())) { 1462 if (RecE->getMethodFamily() == OMF_alloc) 1463 return false; 1464 } 1465 return true; 1466 } 1467 1468 const MemberExpr *ME = nullptr; 1469 if (isa<MemberExpr>(E)) 1470 ME = cast<MemberExpr>(E); 1471 else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) 1472 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); 1473 1474 if (ME) { 1475 if (const CXXMethodDecl * 1476 MD = dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) 1477 return MD->isVirtual() && !ME->hasQualifier(); 1478 } 1479 1480 return 0; 1481 } 1482 1483 CXType clang_Cursor_getReceiverType(CXCursor C) { 1484 CXTranslationUnit TU = cxcursor::getCursorTU(C); 1485 const Expr *E = nullptr; 1486 if (clang_isExpression(C.kind)) 1487 E = getCursorExpr(C); 1488 1489 if (const ObjCMessageExpr *MsgE = dyn_cast_or_null<ObjCMessageExpr>(E)) 1490 return cxtype::MakeCXType(MsgE->getReceiverType(), TU); 1491 1492 return cxtype::MakeCXType(QualType(), TU); 1493 } 1494 1495 } // end: extern "C" 1496