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