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 } 62 63 return CXCursor_UnexposedAttr; 64 } 65 66 CXCursor cxcursor::MakeCXCursor(const Attr *A, const Decl *Parent, 67 CXTranslationUnit TU) { 68 assert(A && Parent && TU && "Invalid arguments!"); 69 CXCursor C = { GetCursorKind(A), 0, { Parent, A, TU } }; 70 return C; 71 } 72 73 CXCursor cxcursor::MakeCXCursor(const Decl *D, CXTranslationUnit TU, 74 SourceRange RegionOfInterest, 75 bool FirstInDeclGroup) { 76 assert(D && TU && "Invalid arguments!"); 77 78 CXCursorKind K = getCursorKindForDecl(D); 79 80 if (K == CXCursor_ObjCClassMethodDecl || 81 K == CXCursor_ObjCInstanceMethodDecl) { 82 int SelectorIdIndex = -1; 83 // Check if cursor points to a selector id. 84 if (RegionOfInterest.isValid() && 85 RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) { 86 SmallVector<SourceLocation, 16> SelLocs; 87 cast<ObjCMethodDecl>(D)->getSelectorLocs(SelLocs); 88 SmallVectorImpl<SourceLocation>::iterator 89 I=std::find(SelLocs.begin(), SelLocs.end(),RegionOfInterest.getBegin()); 90 if (I != SelLocs.end()) 91 SelectorIdIndex = I - SelLocs.begin(); 92 } 93 CXCursor C = { K, SelectorIdIndex, 94 { D, (void*)(intptr_t) (FirstInDeclGroup ? 1 : 0), TU }}; 95 return C; 96 } 97 98 CXCursor C = { K, 0, { D, (void*)(intptr_t) (FirstInDeclGroup ? 1 : 0), TU }}; 99 return C; 100 } 101 102 CXCursor cxcursor::MakeCXCursor(const Stmt *S, const Decl *Parent, 103 CXTranslationUnit TU, 104 SourceRange RegionOfInterest) { 105 assert(S && TU && "Invalid arguments!"); 106 CXCursorKind K = CXCursor_NotImplemented; 107 108 switch (S->getStmtClass()) { 109 case Stmt::NoStmtClass: 110 break; 111 112 case Stmt::CaseStmtClass: 113 K = CXCursor_CaseStmt; 114 break; 115 116 case Stmt::DefaultStmtClass: 117 K = CXCursor_DefaultStmt; 118 break; 119 120 case Stmt::IfStmtClass: 121 K = CXCursor_IfStmt; 122 break; 123 124 case Stmt::SwitchStmtClass: 125 K = CXCursor_SwitchStmt; 126 break; 127 128 case Stmt::WhileStmtClass: 129 K = CXCursor_WhileStmt; 130 break; 131 132 case Stmt::DoStmtClass: 133 K = CXCursor_DoStmt; 134 break; 135 136 case Stmt::ForStmtClass: 137 K = CXCursor_ForStmt; 138 break; 139 140 case Stmt::GotoStmtClass: 141 K = CXCursor_GotoStmt; 142 break; 143 144 case Stmt::IndirectGotoStmtClass: 145 K = CXCursor_IndirectGotoStmt; 146 break; 147 148 case Stmt::ContinueStmtClass: 149 K = CXCursor_ContinueStmt; 150 break; 151 152 case Stmt::BreakStmtClass: 153 K = CXCursor_BreakStmt; 154 break; 155 156 case Stmt::ReturnStmtClass: 157 K = CXCursor_ReturnStmt; 158 break; 159 160 case Stmt::GCCAsmStmtClass: 161 K = CXCursor_GCCAsmStmt; 162 break; 163 164 case Stmt::MSAsmStmtClass: 165 K = CXCursor_MSAsmStmt; 166 break; 167 168 case Stmt::ObjCAtTryStmtClass: 169 K = CXCursor_ObjCAtTryStmt; 170 break; 171 172 case Stmt::ObjCAtCatchStmtClass: 173 K = CXCursor_ObjCAtCatchStmt; 174 break; 175 176 case Stmt::ObjCAtFinallyStmtClass: 177 K = CXCursor_ObjCAtFinallyStmt; 178 break; 179 180 case Stmt::ObjCAtThrowStmtClass: 181 K = CXCursor_ObjCAtThrowStmt; 182 break; 183 184 case Stmt::ObjCAtSynchronizedStmtClass: 185 K = CXCursor_ObjCAtSynchronizedStmt; 186 break; 187 188 case Stmt::ObjCAutoreleasePoolStmtClass: 189 K = CXCursor_ObjCAutoreleasePoolStmt; 190 break; 191 192 case Stmt::ObjCForCollectionStmtClass: 193 K = CXCursor_ObjCForCollectionStmt; 194 break; 195 196 case Stmt::CXXCatchStmtClass: 197 K = CXCursor_CXXCatchStmt; 198 break; 199 200 case Stmt::CXXTryStmtClass: 201 K = CXCursor_CXXTryStmt; 202 break; 203 204 case Stmt::CXXForRangeStmtClass: 205 K = CXCursor_CXXForRangeStmt; 206 break; 207 208 case Stmt::SEHTryStmtClass: 209 K = CXCursor_SEHTryStmt; 210 break; 211 212 case Stmt::SEHExceptStmtClass: 213 K = CXCursor_SEHExceptStmt; 214 break; 215 216 case Stmt::SEHFinallyStmtClass: 217 K = CXCursor_SEHFinallyStmt; 218 break; 219 220 case Stmt::SEHLeaveStmtClass: 221 K = CXCursor_SEHLeaveStmt; 222 break; 223 224 case Stmt::ArrayTypeTraitExprClass: 225 case Stmt::AsTypeExprClass: 226 case Stmt::AtomicExprClass: 227 case Stmt::BinaryConditionalOperatorClass: 228 case Stmt::TypeTraitExprClass: 229 case Stmt::CXXBindTemporaryExprClass: 230 case Stmt::CXXDefaultArgExprClass: 231 case Stmt::CXXDefaultInitExprClass: 232 case Stmt::CXXFoldExprClass: 233 case Stmt::CXXStdInitializerListExprClass: 234 case Stmt::CXXScalarValueInitExprClass: 235 case Stmt::CXXUuidofExprClass: 236 case Stmt::ChooseExprClass: 237 case Stmt::DesignatedInitExprClass: 238 case Stmt::DesignatedInitUpdateExprClass: 239 case Stmt::ExprWithCleanupsClass: 240 case Stmt::ExpressionTraitExprClass: 241 case Stmt::ExtVectorElementExprClass: 242 case Stmt::ImplicitCastExprClass: 243 case Stmt::ImplicitValueInitExprClass: 244 case Stmt::NoInitExprClass: 245 case Stmt::MaterializeTemporaryExprClass: 246 case Stmt::ObjCIndirectCopyRestoreExprClass: 247 case Stmt::OffsetOfExprClass: 248 case Stmt::ParenListExprClass: 249 case Stmt::PredefinedExprClass: 250 case Stmt::ShuffleVectorExprClass: 251 case Stmt::ConvertVectorExprClass: 252 case Stmt::UnaryExprOrTypeTraitExprClass: 253 case Stmt::VAArgExprClass: 254 case Stmt::ObjCArrayLiteralClass: 255 case Stmt::ObjCDictionaryLiteralClass: 256 case Stmt::ObjCBoxedExprClass: 257 case Stmt::ObjCSubscriptRefExprClass: 258 K = CXCursor_UnexposedExpr; 259 break; 260 261 case Stmt::OpaqueValueExprClass: 262 if (Expr *Src = cast<OpaqueValueExpr>(S)->getSourceExpr()) 263 return MakeCXCursor(Src, Parent, TU, RegionOfInterest); 264 K = CXCursor_UnexposedExpr; 265 break; 266 267 case Stmt::PseudoObjectExprClass: 268 return MakeCXCursor(cast<PseudoObjectExpr>(S)->getSyntacticForm(), 269 Parent, TU, RegionOfInterest); 270 271 case Stmt::CompoundStmtClass: 272 K = CXCursor_CompoundStmt; 273 break; 274 275 case Stmt::NullStmtClass: 276 K = CXCursor_NullStmt; 277 break; 278 279 case Stmt::LabelStmtClass: 280 K = CXCursor_LabelStmt; 281 break; 282 283 case Stmt::AttributedStmtClass: 284 K = CXCursor_UnexposedStmt; 285 break; 286 287 case Stmt::DeclStmtClass: 288 K = CXCursor_DeclStmt; 289 break; 290 291 case Stmt::CapturedStmtClass: 292 K = CXCursor_UnexposedStmt; 293 break; 294 295 case Stmt::IntegerLiteralClass: 296 K = CXCursor_IntegerLiteral; 297 break; 298 299 case Stmt::FloatingLiteralClass: 300 K = CXCursor_FloatingLiteral; 301 break; 302 303 case Stmt::ImaginaryLiteralClass: 304 K = CXCursor_ImaginaryLiteral; 305 break; 306 307 case Stmt::StringLiteralClass: 308 K = CXCursor_StringLiteral; 309 break; 310 311 case Stmt::CharacterLiteralClass: 312 K = CXCursor_CharacterLiteral; 313 break; 314 315 case Stmt::ParenExprClass: 316 K = CXCursor_ParenExpr; 317 break; 318 319 case Stmt::UnaryOperatorClass: 320 K = CXCursor_UnaryOperator; 321 break; 322 323 case Stmt::CXXNoexceptExprClass: 324 K = CXCursor_UnaryExpr; 325 break; 326 327 case Stmt::ArraySubscriptExprClass: 328 K = CXCursor_ArraySubscriptExpr; 329 break; 330 331 case Stmt::BinaryOperatorClass: 332 K = CXCursor_BinaryOperator; 333 break; 334 335 case Stmt::CompoundAssignOperatorClass: 336 K = CXCursor_CompoundAssignOperator; 337 break; 338 339 case Stmt::ConditionalOperatorClass: 340 K = CXCursor_ConditionalOperator; 341 break; 342 343 case Stmt::CStyleCastExprClass: 344 K = CXCursor_CStyleCastExpr; 345 break; 346 347 case Stmt::CompoundLiteralExprClass: 348 K = CXCursor_CompoundLiteralExpr; 349 break; 350 351 case Stmt::InitListExprClass: 352 K = CXCursor_InitListExpr; 353 break; 354 355 case Stmt::AddrLabelExprClass: 356 K = CXCursor_AddrLabelExpr; 357 break; 358 359 case Stmt::StmtExprClass: 360 K = CXCursor_StmtExpr; 361 break; 362 363 case Stmt::GenericSelectionExprClass: 364 K = CXCursor_GenericSelectionExpr; 365 break; 366 367 case Stmt::GNUNullExprClass: 368 K = CXCursor_GNUNullExpr; 369 break; 370 371 case Stmt::CXXStaticCastExprClass: 372 K = CXCursor_CXXStaticCastExpr; 373 break; 374 375 case Stmt::CXXDynamicCastExprClass: 376 K = CXCursor_CXXDynamicCastExpr; 377 break; 378 379 case Stmt::CXXReinterpretCastExprClass: 380 K = CXCursor_CXXReinterpretCastExpr; 381 break; 382 383 case Stmt::CXXConstCastExprClass: 384 K = CXCursor_CXXConstCastExpr; 385 break; 386 387 case Stmt::CXXFunctionalCastExprClass: 388 K = CXCursor_CXXFunctionalCastExpr; 389 break; 390 391 case Stmt::CXXTypeidExprClass: 392 K = CXCursor_CXXTypeidExpr; 393 break; 394 395 case Stmt::CXXBoolLiteralExprClass: 396 K = CXCursor_CXXBoolLiteralExpr; 397 break; 398 399 case Stmt::CXXNullPtrLiteralExprClass: 400 K = CXCursor_CXXNullPtrLiteralExpr; 401 break; 402 403 case Stmt::CXXThisExprClass: 404 K = CXCursor_CXXThisExpr; 405 break; 406 407 case Stmt::CXXThrowExprClass: 408 K = CXCursor_CXXThrowExpr; 409 break; 410 411 case Stmt::CXXNewExprClass: 412 K = CXCursor_CXXNewExpr; 413 break; 414 415 case Stmt::CXXDeleteExprClass: 416 K = CXCursor_CXXDeleteExpr; 417 break; 418 419 case Stmt::ObjCStringLiteralClass: 420 K = CXCursor_ObjCStringLiteral; 421 break; 422 423 case Stmt::ObjCEncodeExprClass: 424 K = CXCursor_ObjCEncodeExpr; 425 break; 426 427 case Stmt::ObjCSelectorExprClass: 428 K = CXCursor_ObjCSelectorExpr; 429 break; 430 431 case Stmt::ObjCProtocolExprClass: 432 K = CXCursor_ObjCProtocolExpr; 433 break; 434 435 case Stmt::ObjCBoolLiteralExprClass: 436 K = CXCursor_ObjCBoolLiteralExpr; 437 break; 438 439 case Stmt::ObjCBridgedCastExprClass: 440 K = CXCursor_ObjCBridgedCastExpr; 441 break; 442 443 case Stmt::BlockExprClass: 444 K = CXCursor_BlockExpr; 445 break; 446 447 case Stmt::PackExpansionExprClass: 448 K = CXCursor_PackExpansionExpr; 449 break; 450 451 case Stmt::SizeOfPackExprClass: 452 K = CXCursor_SizeOfPackExpr; 453 break; 454 455 case Stmt::DeclRefExprClass: 456 if (const ImplicitParamDecl *IPD = 457 dyn_cast_or_null<ImplicitParamDecl>(cast<DeclRefExpr>(S)->getDecl())) { 458 if (const ObjCMethodDecl *MD = 459 dyn_cast<ObjCMethodDecl>(IPD->getDeclContext())) { 460 if (MD->getSelfDecl() == IPD) { 461 K = CXCursor_ObjCSelfExpr; 462 break; 463 } 464 } 465 } 466 467 K = CXCursor_DeclRefExpr; 468 break; 469 470 case Stmt::DependentScopeDeclRefExprClass: 471 case Stmt::SubstNonTypeTemplateParmExprClass: 472 case Stmt::SubstNonTypeTemplateParmPackExprClass: 473 case Stmt::FunctionParmPackExprClass: 474 case Stmt::UnresolvedLookupExprClass: 475 case Stmt::TypoExprClass: // A typo could actually be a DeclRef or a MemberRef 476 K = CXCursor_DeclRefExpr; 477 break; 478 479 case Stmt::CXXDependentScopeMemberExprClass: 480 case Stmt::CXXPseudoDestructorExprClass: 481 case Stmt::MemberExprClass: 482 case Stmt::MSPropertyRefExprClass: 483 case Stmt::ObjCIsaExprClass: 484 case Stmt::ObjCIvarRefExprClass: 485 case Stmt::ObjCPropertyRefExprClass: 486 case Stmt::UnresolvedMemberExprClass: 487 K = CXCursor_MemberRefExpr; 488 break; 489 490 case Stmt::CallExprClass: 491 case Stmt::CXXOperatorCallExprClass: 492 case Stmt::CXXMemberCallExprClass: 493 case Stmt::CUDAKernelCallExprClass: 494 case Stmt::CXXConstructExprClass: 495 case Stmt::CXXTemporaryObjectExprClass: 496 case Stmt::CXXUnresolvedConstructExprClass: 497 case Stmt::UserDefinedLiteralClass: 498 K = CXCursor_CallExpr; 499 break; 500 501 case Stmt::LambdaExprClass: 502 K = CXCursor_LambdaExpr; 503 break; 504 505 case Stmt::ObjCMessageExprClass: { 506 K = CXCursor_ObjCMessageExpr; 507 int SelectorIdIndex = -1; 508 // Check if cursor points to a selector id. 509 if (RegionOfInterest.isValid() && 510 RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) { 511 SmallVector<SourceLocation, 16> SelLocs; 512 cast<ObjCMessageExpr>(S)->getSelectorLocs(SelLocs); 513 SmallVectorImpl<SourceLocation>::iterator 514 I=std::find(SelLocs.begin(), SelLocs.end(),RegionOfInterest.getBegin()); 515 if (I != SelLocs.end()) 516 SelectorIdIndex = I - SelLocs.begin(); 517 } 518 CXCursor C = { K, 0, { Parent, S, TU } }; 519 return getSelectorIdentifierCursor(SelectorIdIndex, C); 520 } 521 522 case Stmt::MSDependentExistsStmtClass: 523 K = CXCursor_UnexposedStmt; 524 break; 525 case Stmt::OMPParallelDirectiveClass: 526 K = CXCursor_OMPParallelDirective; 527 break; 528 case Stmt::OMPSimdDirectiveClass: 529 K = CXCursor_OMPSimdDirective; 530 break; 531 case Stmt::OMPForDirectiveClass: 532 K = CXCursor_OMPForDirective; 533 break; 534 case Stmt::OMPForSimdDirectiveClass: 535 K = CXCursor_OMPForSimdDirective; 536 break; 537 case Stmt::OMPSectionsDirectiveClass: 538 K = CXCursor_OMPSectionsDirective; 539 break; 540 case Stmt::OMPSectionDirectiveClass: 541 K = CXCursor_OMPSectionDirective; 542 break; 543 case Stmt::OMPSingleDirectiveClass: 544 K = CXCursor_OMPSingleDirective; 545 break; 546 case Stmt::OMPMasterDirectiveClass: 547 K = CXCursor_OMPMasterDirective; 548 break; 549 case Stmt::OMPCriticalDirectiveClass: 550 K = CXCursor_OMPCriticalDirective; 551 break; 552 case Stmt::OMPParallelForDirectiveClass: 553 K = CXCursor_OMPParallelForDirective; 554 break; 555 case Stmt::OMPParallelForSimdDirectiveClass: 556 K = CXCursor_OMPParallelForSimdDirective; 557 break; 558 case Stmt::OMPParallelSectionsDirectiveClass: 559 K = CXCursor_OMPParallelSectionsDirective; 560 break; 561 case Stmt::OMPTaskDirectiveClass: 562 K = CXCursor_OMPTaskDirective; 563 break; 564 case Stmt::OMPTaskyieldDirectiveClass: 565 K = CXCursor_OMPTaskyieldDirective; 566 break; 567 case Stmt::OMPBarrierDirectiveClass: 568 K = CXCursor_OMPBarrierDirective; 569 break; 570 case Stmt::OMPTaskwaitDirectiveClass: 571 K = CXCursor_OMPTaskwaitDirective; 572 break; 573 case Stmt::OMPFlushDirectiveClass: 574 K = CXCursor_OMPFlushDirective; 575 break; 576 case Stmt::OMPOrderedDirectiveClass: 577 K = CXCursor_OMPOrderedDirective; 578 break; 579 case Stmt::OMPAtomicDirectiveClass: 580 K = CXCursor_OMPAtomicDirective; 581 break; 582 case Stmt::OMPTargetDirectiveClass: 583 K = CXCursor_OMPTargetDirective; 584 break; 585 case Stmt::OMPTeamsDirectiveClass: 586 K = CXCursor_OMPTeamsDirective; 587 break; 588 } 589 590 CXCursor C = { K, 0, { Parent, S, TU } }; 591 return C; 592 } 593 594 CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super, 595 SourceLocation Loc, 596 CXTranslationUnit TU) { 597 assert(Super && TU && "Invalid arguments!"); 598 void *RawLoc = Loc.getPtrEncoding(); 599 CXCursor C = { CXCursor_ObjCSuperClassRef, 0, { Super, RawLoc, TU } }; 600 return C; 601 } 602 603 std::pair<const ObjCInterfaceDecl *, SourceLocation> 604 cxcursor::getCursorObjCSuperClassRef(CXCursor C) { 605 assert(C.kind == CXCursor_ObjCSuperClassRef); 606 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 607 SourceLocation::getFromPtrEncoding(C.data[1])); 608 } 609 610 CXCursor cxcursor::MakeCursorObjCProtocolRef(const ObjCProtocolDecl *Proto, 611 SourceLocation Loc, 612 CXTranslationUnit TU) { 613 assert(Proto && TU && "Invalid arguments!"); 614 void *RawLoc = Loc.getPtrEncoding(); 615 CXCursor C = { CXCursor_ObjCProtocolRef, 0, { Proto, RawLoc, TU } }; 616 return C; 617 } 618 619 std::pair<const ObjCProtocolDecl *, SourceLocation> 620 cxcursor::getCursorObjCProtocolRef(CXCursor C) { 621 assert(C.kind == CXCursor_ObjCProtocolRef); 622 return std::make_pair(static_cast<const ObjCProtocolDecl *>(C.data[0]), 623 SourceLocation::getFromPtrEncoding(C.data[1])); 624 } 625 626 CXCursor cxcursor::MakeCursorObjCClassRef(const ObjCInterfaceDecl *Class, 627 SourceLocation Loc, 628 CXTranslationUnit TU) { 629 // 'Class' can be null for invalid code. 630 if (!Class) 631 return MakeCXCursorInvalid(CXCursor_InvalidCode); 632 assert(TU && "Invalid arguments!"); 633 void *RawLoc = Loc.getPtrEncoding(); 634 CXCursor C = { CXCursor_ObjCClassRef, 0, { Class, RawLoc, TU } }; 635 return C; 636 } 637 638 std::pair<const ObjCInterfaceDecl *, SourceLocation> 639 cxcursor::getCursorObjCClassRef(CXCursor C) { 640 assert(C.kind == CXCursor_ObjCClassRef); 641 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 642 SourceLocation::getFromPtrEncoding(C.data[1])); 643 } 644 645 CXCursor cxcursor::MakeCursorTypeRef(const TypeDecl *Type, SourceLocation Loc, 646 CXTranslationUnit TU) { 647 assert(Type && TU && "Invalid arguments!"); 648 void *RawLoc = Loc.getPtrEncoding(); 649 CXCursor C = { CXCursor_TypeRef, 0, { Type, RawLoc, TU } }; 650 return C; 651 } 652 653 std::pair<const TypeDecl *, SourceLocation> 654 cxcursor::getCursorTypeRef(CXCursor C) { 655 assert(C.kind == CXCursor_TypeRef); 656 return std::make_pair(static_cast<const TypeDecl *>(C.data[0]), 657 SourceLocation::getFromPtrEncoding(C.data[1])); 658 } 659 660 CXCursor cxcursor::MakeCursorTemplateRef(const TemplateDecl *Template, 661 SourceLocation Loc, 662 CXTranslationUnit TU) { 663 assert(Template && TU && "Invalid arguments!"); 664 void *RawLoc = Loc.getPtrEncoding(); 665 CXCursor C = { CXCursor_TemplateRef, 0, { Template, RawLoc, TU } }; 666 return C; 667 } 668 669 std::pair<const TemplateDecl *, SourceLocation> 670 cxcursor::getCursorTemplateRef(CXCursor C) { 671 assert(C.kind == CXCursor_TemplateRef); 672 return std::make_pair(static_cast<const TemplateDecl *>(C.data[0]), 673 SourceLocation::getFromPtrEncoding(C.data[1])); 674 } 675 676 CXCursor cxcursor::MakeCursorNamespaceRef(const NamedDecl *NS, 677 SourceLocation Loc, 678 CXTranslationUnit TU) { 679 680 assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU && 681 "Invalid arguments!"); 682 void *RawLoc = Loc.getPtrEncoding(); 683 CXCursor C = { CXCursor_NamespaceRef, 0, { NS, RawLoc, TU } }; 684 return C; 685 } 686 687 std::pair<const NamedDecl *, SourceLocation> 688 cxcursor::getCursorNamespaceRef(CXCursor C) { 689 assert(C.kind == CXCursor_NamespaceRef); 690 return std::make_pair(static_cast<const NamedDecl *>(C.data[0]), 691 SourceLocation::getFromPtrEncoding(C.data[1])); 692 } 693 694 CXCursor cxcursor::MakeCursorVariableRef(const VarDecl *Var, SourceLocation Loc, 695 CXTranslationUnit TU) { 696 697 assert(Var && TU && "Invalid arguments!"); 698 void *RawLoc = Loc.getPtrEncoding(); 699 CXCursor C = { CXCursor_VariableRef, 0, { Var, RawLoc, TU } }; 700 return C; 701 } 702 703 std::pair<const VarDecl *, SourceLocation> 704 cxcursor::getCursorVariableRef(CXCursor C) { 705 assert(C.kind == CXCursor_VariableRef); 706 return std::make_pair(static_cast<const VarDecl *>(C.data[0]), 707 SourceLocation::getFromPtrEncoding(C.data[1])); 708 } 709 710 CXCursor cxcursor::MakeCursorMemberRef(const FieldDecl *Field, SourceLocation Loc, 711 CXTranslationUnit TU) { 712 713 assert(Field && TU && "Invalid arguments!"); 714 void *RawLoc = Loc.getPtrEncoding(); 715 CXCursor C = { CXCursor_MemberRef, 0, { Field, RawLoc, TU } }; 716 return C; 717 } 718 719 std::pair<const FieldDecl *, SourceLocation> 720 cxcursor::getCursorMemberRef(CXCursor C) { 721 assert(C.kind == CXCursor_MemberRef); 722 return std::make_pair(static_cast<const FieldDecl *>(C.data[0]), 723 SourceLocation::getFromPtrEncoding(C.data[1])); 724 } 725 726 CXCursor cxcursor::MakeCursorCXXBaseSpecifier(const CXXBaseSpecifier *B, 727 CXTranslationUnit TU){ 728 CXCursor C = { CXCursor_CXXBaseSpecifier, 0, { B, nullptr, TU } }; 729 return C; 730 } 731 732 const CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) { 733 assert(C.kind == CXCursor_CXXBaseSpecifier); 734 return static_cast<const CXXBaseSpecifier*>(C.data[0]); 735 } 736 737 CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range, 738 CXTranslationUnit TU) { 739 CXCursor C = { CXCursor_PreprocessingDirective, 0, 740 { Range.getBegin().getPtrEncoding(), 741 Range.getEnd().getPtrEncoding(), 742 TU } 743 }; 744 return C; 745 } 746 747 SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) { 748 assert(C.kind == CXCursor_PreprocessingDirective); 749 SourceRange Range(SourceLocation::getFromPtrEncoding(C.data[0]), 750 SourceLocation::getFromPtrEncoding(C.data[1])); 751 ASTUnit *TU = getCursorASTUnit(C); 752 return TU->mapRangeFromPreamble(Range); 753 } 754 755 CXCursor cxcursor::MakeMacroDefinitionCursor(const MacroDefinitionRecord *MI, 756 CXTranslationUnit TU) { 757 CXCursor C = {CXCursor_MacroDefinition, 0, {MI, nullptr, TU}}; 758 return C; 759 } 760 761 const MacroDefinitionRecord *cxcursor::getCursorMacroDefinition(CXCursor C) { 762 assert(C.kind == CXCursor_MacroDefinition); 763 return static_cast<const MacroDefinitionRecord *>(C.data[0]); 764 } 765 766 CXCursor cxcursor::MakeMacroExpansionCursor(MacroExpansion *MI, 767 CXTranslationUnit TU) { 768 CXCursor C = { CXCursor_MacroExpansion, 0, { MI, nullptr, TU } }; 769 return C; 770 } 771 772 CXCursor cxcursor::MakeMacroExpansionCursor(MacroDefinitionRecord *MI, 773 SourceLocation Loc, 774 CXTranslationUnit TU) { 775 assert(Loc.isValid()); 776 CXCursor C = {CXCursor_MacroExpansion, 0, {MI, Loc.getPtrEncoding(), TU}}; 777 return C; 778 } 779 780 const IdentifierInfo *cxcursor::MacroExpansionCursor::getName() const { 781 if (isPseudo()) 782 return getAsMacroDefinition()->getName(); 783 return getAsMacroExpansion()->getName(); 784 } 785 const MacroDefinitionRecord * 786 cxcursor::MacroExpansionCursor::getDefinition() const { 787 if (isPseudo()) 788 return getAsMacroDefinition(); 789 return getAsMacroExpansion()->getDefinition(); 790 } 791 SourceRange cxcursor::MacroExpansionCursor::getSourceRange() const { 792 if (isPseudo()) 793 return getPseudoLoc(); 794 return getAsMacroExpansion()->getSourceRange(); 795 } 796 797 CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID, 798 CXTranslationUnit TU) { 799 CXCursor C = { CXCursor_InclusionDirective, 0, { ID, nullptr, TU } }; 800 return C; 801 } 802 803 const InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) { 804 assert(C.kind == CXCursor_InclusionDirective); 805 return static_cast<const InclusionDirective *>(C.data[0]); 806 } 807 808 CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc, 809 CXTranslationUnit TU) { 810 811 assert(Label && TU && "Invalid arguments!"); 812 void *RawLoc = Loc.getPtrEncoding(); 813 CXCursor C = { CXCursor_LabelRef, 0, { Label, RawLoc, TU } }; 814 return C; 815 } 816 817 std::pair<const LabelStmt *, SourceLocation> 818 cxcursor::getCursorLabelRef(CXCursor C) { 819 assert(C.kind == CXCursor_LabelRef); 820 return std::make_pair(static_cast<const LabelStmt *>(C.data[0]), 821 SourceLocation::getFromPtrEncoding(C.data[1])); 822 } 823 824 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const OverloadExpr *E, 825 CXTranslationUnit TU) { 826 assert(E && TU && "Invalid arguments!"); 827 OverloadedDeclRefStorage Storage(E); 828 void *RawLoc = E->getNameLoc().getPtrEncoding(); 829 CXCursor C = { 830 CXCursor_OverloadedDeclRef, 0, 831 { Storage.getOpaqueValue(), RawLoc, TU } 832 }; 833 return C; 834 } 835 836 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const Decl *D, 837 SourceLocation Loc, 838 CXTranslationUnit TU) { 839 assert(D && TU && "Invalid arguments!"); 840 void *RawLoc = Loc.getPtrEncoding(); 841 OverloadedDeclRefStorage Storage(D); 842 CXCursor C = { 843 CXCursor_OverloadedDeclRef, 0, 844 { Storage.getOpaqueValue(), RawLoc, TU } 845 }; 846 return C; 847 } 848 849 CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name, 850 SourceLocation Loc, 851 CXTranslationUnit TU) { 852 assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!"); 853 void *RawLoc = Loc.getPtrEncoding(); 854 OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate()); 855 CXCursor C = { 856 CXCursor_OverloadedDeclRef, 0, 857 { Storage.getOpaqueValue(), RawLoc, TU } 858 }; 859 return C; 860 } 861 862 std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation> 863 cxcursor::getCursorOverloadedDeclRef(CXCursor C) { 864 assert(C.kind == CXCursor_OverloadedDeclRef); 865 return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue( 866 const_cast<void *>(C.data[0])), 867 SourceLocation::getFromPtrEncoding(C.data[1])); 868 } 869 870 const Decl *cxcursor::getCursorDecl(CXCursor Cursor) { 871 return static_cast<const Decl *>(Cursor.data[0]); 872 } 873 874 const Expr *cxcursor::getCursorExpr(CXCursor Cursor) { 875 return dyn_cast_or_null<Expr>(getCursorStmt(Cursor)); 876 } 877 878 const Stmt *cxcursor::getCursorStmt(CXCursor Cursor) { 879 if (Cursor.kind == CXCursor_ObjCSuperClassRef || 880 Cursor.kind == CXCursor_ObjCProtocolRef || 881 Cursor.kind == CXCursor_ObjCClassRef) 882 return nullptr; 883 884 return static_cast<const Stmt *>(Cursor.data[1]); 885 } 886 887 const Attr *cxcursor::getCursorAttr(CXCursor Cursor) { 888 return static_cast<const Attr *>(Cursor.data[1]); 889 } 890 891 const Decl *cxcursor::getCursorParentDecl(CXCursor Cursor) { 892 return static_cast<const Decl *>(Cursor.data[0]); 893 } 894 895 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { 896 return getCursorASTUnit(Cursor)->getASTContext(); 897 } 898 899 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { 900 CXTranslationUnit TU = getCursorTU(Cursor); 901 if (!TU) 902 return nullptr; 903 return cxtu::getASTUnit(TU); 904 } 905 906 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { 907 return static_cast<CXTranslationUnit>(const_cast<void*>(Cursor.data[2])); 908 } 909 910 void cxcursor::getOverriddenCursors(CXCursor cursor, 911 SmallVectorImpl<CXCursor> &overridden) { 912 assert(clang_isDeclaration(cursor.kind)); 913 const NamedDecl *D = dyn_cast_or_null<NamedDecl>(getCursorDecl(cursor)); 914 if (!D) 915 return; 916 917 CXTranslationUnit TU = getCursorTU(cursor); 918 SmallVector<const NamedDecl *, 8> OverDecls; 919 D->getASTContext().getOverriddenMethods(D, OverDecls); 920 921 for (SmallVectorImpl<const NamedDecl *>::iterator 922 I = OverDecls.begin(), E = OverDecls.end(); I != E; ++I) { 923 overridden.push_back(MakeCXCursor(*I, TU)); 924 } 925 } 926 927 std::pair<int, SourceLocation> 928 cxcursor::getSelectorIdentifierIndexAndLoc(CXCursor cursor) { 929 if (cursor.kind == CXCursor_ObjCMessageExpr) { 930 if (cursor.xdata != -1) 931 return std::make_pair(cursor.xdata, 932 cast<ObjCMessageExpr>(getCursorExpr(cursor)) 933 ->getSelectorLoc(cursor.xdata)); 934 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 935 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 936 if (cursor.xdata != -1) 937 return std::make_pair(cursor.xdata, 938 cast<ObjCMethodDecl>(getCursorDecl(cursor)) 939 ->getSelectorLoc(cursor.xdata)); 940 } 941 942 return std::make_pair(-1, SourceLocation()); 943 } 944 945 CXCursor cxcursor::getSelectorIdentifierCursor(int SelIdx, CXCursor cursor) { 946 CXCursor newCursor = cursor; 947 948 if (cursor.kind == CXCursor_ObjCMessageExpr) { 949 if (SelIdx == -1 || 950 unsigned(SelIdx) >= cast<ObjCMessageExpr>(getCursorExpr(cursor)) 951 ->getNumSelectorLocs()) 952 newCursor.xdata = -1; 953 else 954 newCursor.xdata = SelIdx; 955 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 956 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 957 if (SelIdx == -1 || 958 unsigned(SelIdx) >= cast<ObjCMethodDecl>(getCursorDecl(cursor)) 959 ->getNumSelectorLocs()) 960 newCursor.xdata = -1; 961 else 962 newCursor.xdata = SelIdx; 963 } 964 965 return newCursor; 966 } 967 968 CXCursor cxcursor::getTypeRefCursor(CXCursor cursor) { 969 if (cursor.kind != CXCursor_CallExpr) 970 return cursor; 971 972 if (cursor.xdata == 0) 973 return cursor; 974 975 const Expr *E = getCursorExpr(cursor); 976 TypeSourceInfo *Type = nullptr; 977 if (const CXXUnresolvedConstructExpr * 978 UnCtor = dyn_cast<CXXUnresolvedConstructExpr>(E)) { 979 Type = UnCtor->getTypeSourceInfo(); 980 } else if (const CXXTemporaryObjectExpr *Tmp = 981 dyn_cast<CXXTemporaryObjectExpr>(E)){ 982 Type = Tmp->getTypeSourceInfo(); 983 } 984 985 if (!Type) 986 return cursor; 987 988 CXTranslationUnit TU = getCursorTU(cursor); 989 QualType Ty = Type->getType(); 990 TypeLoc TL = Type->getTypeLoc(); 991 SourceLocation Loc = TL.getBeginLoc(); 992 993 if (const ElaboratedType *ElabT = Ty->getAs<ElaboratedType>()) { 994 Ty = ElabT->getNamedType(); 995 ElaboratedTypeLoc ElabTL = TL.castAs<ElaboratedTypeLoc>(); 996 Loc = ElabTL.getNamedTypeLoc().getBeginLoc(); 997 } 998 999 if (const TypedefType *Typedef = Ty->getAs<TypedefType>()) 1000 return MakeCursorTypeRef(Typedef->getDecl(), Loc, TU); 1001 if (const TagType *Tag = Ty->getAs<TagType>()) 1002 return MakeCursorTypeRef(Tag->getDecl(), Loc, TU); 1003 if (const TemplateTypeParmType *TemplP = Ty->getAs<TemplateTypeParmType>()) 1004 return MakeCursorTypeRef(TemplP->getDecl(), Loc, TU); 1005 1006 return cursor; 1007 } 1008 1009 bool cxcursor::operator==(CXCursor X, CXCursor Y) { 1010 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && 1011 X.data[2] == Y.data[2]; 1012 } 1013 1014 // FIXME: Remove once we can model DeclGroups and their appropriate ranges 1015 // properly in the ASTs. 1016 bool cxcursor::isFirstInDeclGroup(CXCursor C) { 1017 assert(clang_isDeclaration(C.kind)); 1018 return ((uintptr_t) (C.data[1])) != 0; 1019 } 1020 1021 //===----------------------------------------------------------------------===// 1022 // libclang CXCursor APIs 1023 //===----------------------------------------------------------------------===// 1024 1025 extern "C" { 1026 1027 int clang_Cursor_isNull(CXCursor cursor) { 1028 return clang_equalCursors(cursor, clang_getNullCursor()); 1029 } 1030 1031 CXTranslationUnit clang_Cursor_getTranslationUnit(CXCursor cursor) { 1032 return getCursorTU(cursor); 1033 } 1034 1035 int clang_Cursor_getNumArguments(CXCursor C) { 1036 if (clang_isDeclaration(C.kind)) { 1037 const Decl *D = cxcursor::getCursorDecl(C); 1038 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) 1039 return MD->param_size(); 1040 if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) 1041 return FD->param_size(); 1042 } 1043 1044 if (clang_isExpression(C.kind)) { 1045 const Expr *E = cxcursor::getCursorExpr(C); 1046 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1047 return CE->getNumArgs(); 1048 } 1049 } 1050 1051 return -1; 1052 } 1053 1054 CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i) { 1055 if (clang_isDeclaration(C.kind)) { 1056 const Decl *D = cxcursor::getCursorDecl(C); 1057 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) { 1058 if (i < MD->param_size()) 1059 return cxcursor::MakeCXCursor(MD->parameters()[i], 1060 cxcursor::getCursorTU(C)); 1061 } else if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) { 1062 if (i < FD->param_size()) 1063 return cxcursor::MakeCXCursor(FD->parameters()[i], 1064 cxcursor::getCursorTU(C)); 1065 } 1066 } 1067 1068 if (clang_isExpression(C.kind)) { 1069 const Expr *E = cxcursor::getCursorExpr(C); 1070 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1071 if (i < CE->getNumArgs()) { 1072 return cxcursor::MakeCXCursor(CE->getArg(i), 1073 getCursorDecl(C), 1074 cxcursor::getCursorTU(C)); 1075 } 1076 } 1077 } 1078 1079 return clang_getNullCursor(); 1080 } 1081 1082 int clang_Cursor_getNumTemplateArguments(CXCursor C) { 1083 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1084 return -1; 1085 } 1086 1087 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1088 getCursorDecl(C)); 1089 if (!FD) { 1090 return -1; 1091 } 1092 1093 const FunctionTemplateSpecializationInfo* SpecInfo = 1094 FD->getTemplateSpecializationInfo(); 1095 if (!SpecInfo) { 1096 return -1; 1097 } 1098 1099 return SpecInfo->TemplateArguments->size(); 1100 } 1101 1102 enum CXGetTemplateArgumentStatus { 1103 /** \brief The operation completed successfully */ 1104 CXGetTemplateArgumentStatus_Success = 0, 1105 1106 /** \brief The specified cursor did not represent a FunctionDecl. */ 1107 CXGetTemplateArgumentStatus_CursorNotFunctionDecl = -1, 1108 1109 /** \brief The specified cursor was not castable to a FunctionDecl. */ 1110 CXGetTemplateArgumentStatus_BadFunctionDeclCast = -2, 1111 1112 /** \brief A NULL FunctionTemplateSpecializationInfo was retrieved. */ 1113 CXGetTemplateArgumentStatus_NullTemplSpecInfo = -3, 1114 1115 /** \brief An invalid (OOB) argument index was specified */ 1116 CXGetTemplateArgumentStatus_InvalidIndex = -4 1117 }; 1118 1119 static int clang_Cursor_getTemplateArgument( 1120 CXCursor C, unsigned I, TemplateArgument *TA) { 1121 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1122 return CXGetTemplateArgumentStatus_CursorNotFunctionDecl; 1123 } 1124 1125 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1126 getCursorDecl(C)); 1127 if (!FD) { 1128 return CXGetTemplateArgumentStatus_BadFunctionDeclCast; 1129 } 1130 1131 const FunctionTemplateSpecializationInfo* SpecInfo = 1132 FD->getTemplateSpecializationInfo(); 1133 if (!SpecInfo) { 1134 return CXGetTemplateArgumentStatus_NullTemplSpecInfo; 1135 } 1136 1137 if (I >= SpecInfo->TemplateArguments->size()) { 1138 return CXGetTemplateArgumentStatus_InvalidIndex; 1139 } 1140 1141 *TA = SpecInfo->TemplateArguments->get(I); 1142 return 0; 1143 } 1144 1145 enum CXTemplateArgumentKind clang_Cursor_getTemplateArgumentKind(CXCursor C, 1146 unsigned I) { 1147 TemplateArgument TA; 1148 if (clang_Cursor_getTemplateArgument(C, I, &TA)) { 1149 return CXTemplateArgumentKind_Invalid; 1150 } 1151 1152 switch (TA.getKind()) { 1153 case TemplateArgument::Null: return CXTemplateArgumentKind_Null; 1154 case TemplateArgument::Type: return CXTemplateArgumentKind_Type; 1155 case TemplateArgument::Declaration: 1156 return CXTemplateArgumentKind_Declaration; 1157 case TemplateArgument::NullPtr: return CXTemplateArgumentKind_NullPtr; 1158 case TemplateArgument::Integral: return CXTemplateArgumentKind_Integral; 1159 case TemplateArgument::Template: return CXTemplateArgumentKind_Template; 1160 case TemplateArgument::TemplateExpansion: 1161 return CXTemplateArgumentKind_TemplateExpansion; 1162 case TemplateArgument::Expression: return CXTemplateArgumentKind_Expression; 1163 case TemplateArgument::Pack: return CXTemplateArgumentKind_Pack; 1164 } 1165 1166 return CXTemplateArgumentKind_Invalid; 1167 } 1168 1169 CXType clang_Cursor_getTemplateArgumentType(CXCursor C, unsigned I) { 1170 TemplateArgument TA; 1171 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1172 CXGetTemplateArgumentStatus_Success) { 1173 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1174 } 1175 1176 if (TA.getKind() != TemplateArgument::Type) { 1177 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1178 } 1179 1180 return cxtype::MakeCXType(TA.getAsType(), getCursorTU(C)); 1181 } 1182 1183 long long clang_Cursor_getTemplateArgumentValue(CXCursor C, unsigned I) { 1184 TemplateArgument TA; 1185 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1186 CXGetTemplateArgumentStatus_Success) { 1187 assert(0 && "Unable to retrieve TemplateArgument"); 1188 return 0; 1189 } 1190 1191 if (TA.getKind() != TemplateArgument::Integral) { 1192 assert(0 && "Passed template argument is not Integral"); 1193 return 0; 1194 } 1195 1196 return TA.getAsIntegral().getSExtValue(); 1197 } 1198 1199 unsigned long long clang_Cursor_getTemplateArgumentUnsignedValue(CXCursor C, 1200 unsigned I) { 1201 TemplateArgument TA; 1202 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1203 CXGetTemplateArgumentStatus_Success) { 1204 assert(0 && "Unable to retrieve TemplateArgument"); 1205 return 0; 1206 } 1207 1208 if (TA.getKind() != TemplateArgument::Integral) { 1209 assert(0 && "Passed template argument is not Integral"); 1210 return 0; 1211 } 1212 1213 return TA.getAsIntegral().getZExtValue(); 1214 } 1215 1216 } // end: extern "C" 1217 1218 //===----------------------------------------------------------------------===// 1219 // CXCursorSet. 1220 //===----------------------------------------------------------------------===// 1221 1222 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; 1223 1224 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { 1225 return (CXCursorSet) setImpl; 1226 } 1227 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { 1228 return (CXCursorSet_Impl*) set; 1229 } 1230 namespace llvm { 1231 template<> struct DenseMapInfo<CXCursor> { 1232 public: 1233 static inline CXCursor getEmptyKey() { 1234 return MakeCXCursorInvalid(CXCursor_InvalidFile); 1235 } 1236 static inline CXCursor getTombstoneKey() { 1237 return MakeCXCursorInvalid(CXCursor_NoDeclFound); 1238 } 1239 static inline unsigned getHashValue(const CXCursor &cursor) { 1240 return llvm::DenseMapInfo<std::pair<const void *, const void *> > 1241 ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); 1242 } 1243 static inline bool isEqual(const CXCursor &x, const CXCursor &y) { 1244 return x.kind == y.kind && 1245 x.data[0] == y.data[0] && 1246 x.data[1] == y.data[1]; 1247 } 1248 }; 1249 } 1250 1251 extern "C" { 1252 CXCursorSet clang_createCXCursorSet() { 1253 return packCXCursorSet(new CXCursorSet_Impl()); 1254 } 1255 1256 void clang_disposeCXCursorSet(CXCursorSet set) { 1257 delete unpackCXCursorSet(set); 1258 } 1259 1260 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { 1261 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1262 if (!setImpl) 1263 return 0; 1264 return setImpl->find(cursor) != setImpl->end(); 1265 } 1266 1267 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { 1268 // Do not insert invalid cursors into the set. 1269 if (cursor.kind >= CXCursor_FirstInvalid && 1270 cursor.kind <= CXCursor_LastInvalid) 1271 return 1; 1272 1273 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1274 if (!setImpl) 1275 return 1; 1276 unsigned &entry = (*setImpl)[cursor]; 1277 unsigned flag = entry == 0 ? 1 : 0; 1278 entry = 1; 1279 return flag; 1280 } 1281 1282 CXCompletionString clang_getCursorCompletionString(CXCursor cursor) { 1283 enum CXCursorKind kind = clang_getCursorKind(cursor); 1284 if (clang_isDeclaration(kind)) { 1285 const Decl *decl = getCursorDecl(cursor); 1286 if (const NamedDecl *namedDecl = dyn_cast_or_null<NamedDecl>(decl)) { 1287 ASTUnit *unit = getCursorASTUnit(cursor); 1288 CodeCompletionResult Result(namedDecl, CCP_Declaration); 1289 CodeCompletionString *String 1290 = Result.CreateCodeCompletionString(unit->getASTContext(), 1291 unit->getPreprocessor(), 1292 unit->getCodeCompletionTUInfo().getAllocator(), 1293 unit->getCodeCompletionTUInfo(), 1294 true); 1295 return String; 1296 } 1297 } else if (kind == CXCursor_MacroDefinition) { 1298 const MacroDefinitionRecord *definition = getCursorMacroDefinition(cursor); 1299 const IdentifierInfo *MacroInfo = definition->getName(); 1300 ASTUnit *unit = getCursorASTUnit(cursor); 1301 CodeCompletionResult Result(MacroInfo); 1302 CodeCompletionString *String = Result.CreateCodeCompletionString( 1303 unit->getASTContext(), unit->getPreprocessor(), 1304 unit->getCodeCompletionTUInfo().getAllocator(), 1305 unit->getCodeCompletionTUInfo(), false); 1306 return String; 1307 } 1308 return nullptr; 1309 } 1310 } // end: extern C. 1311 1312 namespace { 1313 struct OverridenCursorsPool { 1314 typedef SmallVector<CXCursor, 2> CursorVec; 1315 std::vector<CursorVec*> AllCursors; 1316 std::vector<CursorVec*> AvailableCursors; 1317 1318 ~OverridenCursorsPool() { 1319 for (std::vector<CursorVec*>::iterator I = AllCursors.begin(), 1320 E = AllCursors.end(); I != E; ++I) { 1321 delete *I; 1322 } 1323 } 1324 }; 1325 } 1326 1327 void *cxcursor::createOverridenCXCursorsPool() { 1328 return new OverridenCursorsPool(); 1329 } 1330 1331 void cxcursor::disposeOverridenCXCursorsPool(void *pool) { 1332 delete static_cast<OverridenCursorsPool*>(pool); 1333 } 1334 1335 extern "C" { 1336 void clang_getOverriddenCursors(CXCursor cursor, 1337 CXCursor **overridden, 1338 unsigned *num_overridden) { 1339 if (overridden) 1340 *overridden = nullptr; 1341 if (num_overridden) 1342 *num_overridden = 0; 1343 1344 CXTranslationUnit TU = cxcursor::getCursorTU(cursor); 1345 1346 if (!overridden || !num_overridden || !TU) 1347 return; 1348 1349 if (!clang_isDeclaration(cursor.kind)) 1350 return; 1351 1352 OverridenCursorsPool &pool = 1353 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1354 1355 OverridenCursorsPool::CursorVec *Vec = nullptr; 1356 1357 if (!pool.AvailableCursors.empty()) { 1358 Vec = pool.AvailableCursors.back(); 1359 pool.AvailableCursors.pop_back(); 1360 } 1361 else { 1362 Vec = new OverridenCursorsPool::CursorVec(); 1363 pool.AllCursors.push_back(Vec); 1364 } 1365 1366 // Clear out the vector, but don't free the memory contents. This 1367 // reduces malloc() traffic. 1368 Vec->clear(); 1369 1370 // Use the first entry to contain a back reference to the vector. 1371 // This is a complete hack. 1372 CXCursor backRefCursor = MakeCXCursorInvalid(CXCursor_InvalidFile, TU); 1373 backRefCursor.data[0] = Vec; 1374 assert(cxcursor::getCursorTU(backRefCursor) == TU); 1375 Vec->push_back(backRefCursor); 1376 1377 // Get the overriden cursors. 1378 cxcursor::getOverriddenCursors(cursor, *Vec); 1379 1380 // Did we get any overriden cursors? If not, return Vec to the pool 1381 // of available cursor vectors. 1382 if (Vec->size() == 1) { 1383 pool.AvailableCursors.push_back(Vec); 1384 return; 1385 } 1386 1387 // Now tell the caller about the overriden cursors. 1388 assert(Vec->size() > 1); 1389 *overridden = &((*Vec)[1]); 1390 *num_overridden = Vec->size() - 1; 1391 } 1392 1393 void clang_disposeOverriddenCursors(CXCursor *overridden) { 1394 if (!overridden) 1395 return; 1396 1397 // Use pointer arithmetic to get back the first faux entry 1398 // which has a back-reference to the TU and the vector. 1399 --overridden; 1400 OverridenCursorsPool::CursorVec *Vec = 1401 static_cast<OverridenCursorsPool::CursorVec *>( 1402 const_cast<void *>(overridden->data[0])); 1403 CXTranslationUnit TU = getCursorTU(*overridden); 1404 1405 assert(Vec && TU); 1406 1407 OverridenCursorsPool &pool = 1408 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1409 1410 pool.AvailableCursors.push_back(Vec); 1411 } 1412 1413 int clang_Cursor_isDynamicCall(CXCursor C) { 1414 const Expr *E = nullptr; 1415 if (clang_isExpression(C.kind)) 1416 E = getCursorExpr(C); 1417 if (!E) 1418 return 0; 1419 1420 if (const ObjCMessageExpr *MsgE = dyn_cast<ObjCMessageExpr>(E)) { 1421 if (MsgE->getReceiverKind() != ObjCMessageExpr::Instance) 1422 return false; 1423 if (auto *RecE = dyn_cast<ObjCMessageExpr>( 1424 MsgE->getInstanceReceiver()->IgnoreParenCasts())) { 1425 if (RecE->getMethodFamily() == OMF_alloc) 1426 return false; 1427 } 1428 return true; 1429 } 1430 1431 const MemberExpr *ME = nullptr; 1432 if (isa<MemberExpr>(E)) 1433 ME = cast<MemberExpr>(E); 1434 else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) 1435 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); 1436 1437 if (ME) { 1438 if (const CXXMethodDecl * 1439 MD = dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) 1440 return MD->isVirtual() && !ME->hasQualifier(); 1441 } 1442 1443 return 0; 1444 } 1445 1446 CXType clang_Cursor_getReceiverType(CXCursor C) { 1447 CXTranslationUnit TU = cxcursor::getCursorTU(C); 1448 const Expr *E = nullptr; 1449 if (clang_isExpression(C.kind)) 1450 E = getCursorExpr(C); 1451 1452 if (const ObjCMessageExpr *MsgE = dyn_cast_or_null<ObjCMessageExpr>(E)) 1453 return cxtype::MakeCXType(MsgE->getReceiverType(), TU); 1454 1455 return cxtype::MakeCXType(QualType(), TU); 1456 } 1457 1458 } // end: extern "C" 1459