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::OMPTaskgroupDirectiveClass: 574 K = CXCursor_OMPTaskgroupDirective; 575 break; 576 case Stmt::OMPFlushDirectiveClass: 577 K = CXCursor_OMPFlushDirective; 578 break; 579 case Stmt::OMPOrderedDirectiveClass: 580 K = CXCursor_OMPOrderedDirective; 581 break; 582 case Stmt::OMPAtomicDirectiveClass: 583 K = CXCursor_OMPAtomicDirective; 584 break; 585 case Stmt::OMPTargetDirectiveClass: 586 K = CXCursor_OMPTargetDirective; 587 break; 588 case Stmt::OMPTeamsDirectiveClass: 589 K = CXCursor_OMPTeamsDirective; 590 break; 591 case Stmt::OMPCancellationPointDirectiveClass: 592 K = CXCursor_OMPCancellationPointDirective; 593 break; 594 } 595 596 CXCursor C = { K, 0, { Parent, S, TU } }; 597 return C; 598 } 599 600 CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super, 601 SourceLocation Loc, 602 CXTranslationUnit TU) { 603 assert(Super && TU && "Invalid arguments!"); 604 void *RawLoc = Loc.getPtrEncoding(); 605 CXCursor C = { CXCursor_ObjCSuperClassRef, 0, { Super, RawLoc, TU } }; 606 return C; 607 } 608 609 std::pair<const ObjCInterfaceDecl *, SourceLocation> 610 cxcursor::getCursorObjCSuperClassRef(CXCursor C) { 611 assert(C.kind == CXCursor_ObjCSuperClassRef); 612 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 613 SourceLocation::getFromPtrEncoding(C.data[1])); 614 } 615 616 CXCursor cxcursor::MakeCursorObjCProtocolRef(const ObjCProtocolDecl *Proto, 617 SourceLocation Loc, 618 CXTranslationUnit TU) { 619 assert(Proto && TU && "Invalid arguments!"); 620 void *RawLoc = Loc.getPtrEncoding(); 621 CXCursor C = { CXCursor_ObjCProtocolRef, 0, { Proto, RawLoc, TU } }; 622 return C; 623 } 624 625 std::pair<const ObjCProtocolDecl *, SourceLocation> 626 cxcursor::getCursorObjCProtocolRef(CXCursor C) { 627 assert(C.kind == CXCursor_ObjCProtocolRef); 628 return std::make_pair(static_cast<const ObjCProtocolDecl *>(C.data[0]), 629 SourceLocation::getFromPtrEncoding(C.data[1])); 630 } 631 632 CXCursor cxcursor::MakeCursorObjCClassRef(const ObjCInterfaceDecl *Class, 633 SourceLocation Loc, 634 CXTranslationUnit TU) { 635 // 'Class' can be null for invalid code. 636 if (!Class) 637 return MakeCXCursorInvalid(CXCursor_InvalidCode); 638 assert(TU && "Invalid arguments!"); 639 void *RawLoc = Loc.getPtrEncoding(); 640 CXCursor C = { CXCursor_ObjCClassRef, 0, { Class, RawLoc, TU } }; 641 return C; 642 } 643 644 std::pair<const ObjCInterfaceDecl *, SourceLocation> 645 cxcursor::getCursorObjCClassRef(CXCursor C) { 646 assert(C.kind == CXCursor_ObjCClassRef); 647 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 648 SourceLocation::getFromPtrEncoding(C.data[1])); 649 } 650 651 CXCursor cxcursor::MakeCursorTypeRef(const TypeDecl *Type, SourceLocation Loc, 652 CXTranslationUnit TU) { 653 assert(Type && TU && "Invalid arguments!"); 654 void *RawLoc = Loc.getPtrEncoding(); 655 CXCursor C = { CXCursor_TypeRef, 0, { Type, RawLoc, TU } }; 656 return C; 657 } 658 659 std::pair<const TypeDecl *, SourceLocation> 660 cxcursor::getCursorTypeRef(CXCursor C) { 661 assert(C.kind == CXCursor_TypeRef); 662 return std::make_pair(static_cast<const TypeDecl *>(C.data[0]), 663 SourceLocation::getFromPtrEncoding(C.data[1])); 664 } 665 666 CXCursor cxcursor::MakeCursorTemplateRef(const TemplateDecl *Template, 667 SourceLocation Loc, 668 CXTranslationUnit TU) { 669 assert(Template && TU && "Invalid arguments!"); 670 void *RawLoc = Loc.getPtrEncoding(); 671 CXCursor C = { CXCursor_TemplateRef, 0, { Template, RawLoc, TU } }; 672 return C; 673 } 674 675 std::pair<const TemplateDecl *, SourceLocation> 676 cxcursor::getCursorTemplateRef(CXCursor C) { 677 assert(C.kind == CXCursor_TemplateRef); 678 return std::make_pair(static_cast<const TemplateDecl *>(C.data[0]), 679 SourceLocation::getFromPtrEncoding(C.data[1])); 680 } 681 682 CXCursor cxcursor::MakeCursorNamespaceRef(const NamedDecl *NS, 683 SourceLocation Loc, 684 CXTranslationUnit TU) { 685 686 assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU && 687 "Invalid arguments!"); 688 void *RawLoc = Loc.getPtrEncoding(); 689 CXCursor C = { CXCursor_NamespaceRef, 0, { NS, RawLoc, TU } }; 690 return C; 691 } 692 693 std::pair<const NamedDecl *, SourceLocation> 694 cxcursor::getCursorNamespaceRef(CXCursor C) { 695 assert(C.kind == CXCursor_NamespaceRef); 696 return std::make_pair(static_cast<const NamedDecl *>(C.data[0]), 697 SourceLocation::getFromPtrEncoding(C.data[1])); 698 } 699 700 CXCursor cxcursor::MakeCursorVariableRef(const VarDecl *Var, SourceLocation Loc, 701 CXTranslationUnit TU) { 702 703 assert(Var && TU && "Invalid arguments!"); 704 void *RawLoc = Loc.getPtrEncoding(); 705 CXCursor C = { CXCursor_VariableRef, 0, { Var, RawLoc, TU } }; 706 return C; 707 } 708 709 std::pair<const VarDecl *, SourceLocation> 710 cxcursor::getCursorVariableRef(CXCursor C) { 711 assert(C.kind == CXCursor_VariableRef); 712 return std::make_pair(static_cast<const VarDecl *>(C.data[0]), 713 SourceLocation::getFromPtrEncoding(C.data[1])); 714 } 715 716 CXCursor cxcursor::MakeCursorMemberRef(const FieldDecl *Field, SourceLocation Loc, 717 CXTranslationUnit TU) { 718 719 assert(Field && TU && "Invalid arguments!"); 720 void *RawLoc = Loc.getPtrEncoding(); 721 CXCursor C = { CXCursor_MemberRef, 0, { Field, RawLoc, TU } }; 722 return C; 723 } 724 725 std::pair<const FieldDecl *, SourceLocation> 726 cxcursor::getCursorMemberRef(CXCursor C) { 727 assert(C.kind == CXCursor_MemberRef); 728 return std::make_pair(static_cast<const FieldDecl *>(C.data[0]), 729 SourceLocation::getFromPtrEncoding(C.data[1])); 730 } 731 732 CXCursor cxcursor::MakeCursorCXXBaseSpecifier(const CXXBaseSpecifier *B, 733 CXTranslationUnit TU){ 734 CXCursor C = { CXCursor_CXXBaseSpecifier, 0, { B, nullptr, TU } }; 735 return C; 736 } 737 738 const CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) { 739 assert(C.kind == CXCursor_CXXBaseSpecifier); 740 return static_cast<const CXXBaseSpecifier*>(C.data[0]); 741 } 742 743 CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range, 744 CXTranslationUnit TU) { 745 CXCursor C = { CXCursor_PreprocessingDirective, 0, 746 { Range.getBegin().getPtrEncoding(), 747 Range.getEnd().getPtrEncoding(), 748 TU } 749 }; 750 return C; 751 } 752 753 SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) { 754 assert(C.kind == CXCursor_PreprocessingDirective); 755 SourceRange Range(SourceLocation::getFromPtrEncoding(C.data[0]), 756 SourceLocation::getFromPtrEncoding(C.data[1])); 757 ASTUnit *TU = getCursorASTUnit(C); 758 return TU->mapRangeFromPreamble(Range); 759 } 760 761 CXCursor cxcursor::MakeMacroDefinitionCursor(const MacroDefinitionRecord *MI, 762 CXTranslationUnit TU) { 763 CXCursor C = {CXCursor_MacroDefinition, 0, {MI, nullptr, TU}}; 764 return C; 765 } 766 767 const MacroDefinitionRecord *cxcursor::getCursorMacroDefinition(CXCursor C) { 768 assert(C.kind == CXCursor_MacroDefinition); 769 return static_cast<const MacroDefinitionRecord *>(C.data[0]); 770 } 771 772 CXCursor cxcursor::MakeMacroExpansionCursor(MacroExpansion *MI, 773 CXTranslationUnit TU) { 774 CXCursor C = { CXCursor_MacroExpansion, 0, { MI, nullptr, TU } }; 775 return C; 776 } 777 778 CXCursor cxcursor::MakeMacroExpansionCursor(MacroDefinitionRecord *MI, 779 SourceLocation Loc, 780 CXTranslationUnit TU) { 781 assert(Loc.isValid()); 782 CXCursor C = {CXCursor_MacroExpansion, 0, {MI, Loc.getPtrEncoding(), TU}}; 783 return C; 784 } 785 786 const IdentifierInfo *cxcursor::MacroExpansionCursor::getName() const { 787 if (isPseudo()) 788 return getAsMacroDefinition()->getName(); 789 return getAsMacroExpansion()->getName(); 790 } 791 const MacroDefinitionRecord * 792 cxcursor::MacroExpansionCursor::getDefinition() const { 793 if (isPseudo()) 794 return getAsMacroDefinition(); 795 return getAsMacroExpansion()->getDefinition(); 796 } 797 SourceRange cxcursor::MacroExpansionCursor::getSourceRange() const { 798 if (isPseudo()) 799 return getPseudoLoc(); 800 return getAsMacroExpansion()->getSourceRange(); 801 } 802 803 CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID, 804 CXTranslationUnit TU) { 805 CXCursor C = { CXCursor_InclusionDirective, 0, { ID, nullptr, TU } }; 806 return C; 807 } 808 809 const InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) { 810 assert(C.kind == CXCursor_InclusionDirective); 811 return static_cast<const InclusionDirective *>(C.data[0]); 812 } 813 814 CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc, 815 CXTranslationUnit TU) { 816 817 assert(Label && TU && "Invalid arguments!"); 818 void *RawLoc = Loc.getPtrEncoding(); 819 CXCursor C = { CXCursor_LabelRef, 0, { Label, RawLoc, TU } }; 820 return C; 821 } 822 823 std::pair<const LabelStmt *, SourceLocation> 824 cxcursor::getCursorLabelRef(CXCursor C) { 825 assert(C.kind == CXCursor_LabelRef); 826 return std::make_pair(static_cast<const LabelStmt *>(C.data[0]), 827 SourceLocation::getFromPtrEncoding(C.data[1])); 828 } 829 830 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const OverloadExpr *E, 831 CXTranslationUnit TU) { 832 assert(E && TU && "Invalid arguments!"); 833 OverloadedDeclRefStorage Storage(E); 834 void *RawLoc = E->getNameLoc().getPtrEncoding(); 835 CXCursor C = { 836 CXCursor_OverloadedDeclRef, 0, 837 { Storage.getOpaqueValue(), RawLoc, TU } 838 }; 839 return C; 840 } 841 842 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const Decl *D, 843 SourceLocation Loc, 844 CXTranslationUnit TU) { 845 assert(D && TU && "Invalid arguments!"); 846 void *RawLoc = Loc.getPtrEncoding(); 847 OverloadedDeclRefStorage Storage(D); 848 CXCursor C = { 849 CXCursor_OverloadedDeclRef, 0, 850 { Storage.getOpaqueValue(), RawLoc, TU } 851 }; 852 return C; 853 } 854 855 CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name, 856 SourceLocation Loc, 857 CXTranslationUnit TU) { 858 assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!"); 859 void *RawLoc = Loc.getPtrEncoding(); 860 OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate()); 861 CXCursor C = { 862 CXCursor_OverloadedDeclRef, 0, 863 { Storage.getOpaqueValue(), RawLoc, TU } 864 }; 865 return C; 866 } 867 868 std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation> 869 cxcursor::getCursorOverloadedDeclRef(CXCursor C) { 870 assert(C.kind == CXCursor_OverloadedDeclRef); 871 return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue( 872 const_cast<void *>(C.data[0])), 873 SourceLocation::getFromPtrEncoding(C.data[1])); 874 } 875 876 const Decl *cxcursor::getCursorDecl(CXCursor Cursor) { 877 return static_cast<const Decl *>(Cursor.data[0]); 878 } 879 880 const Expr *cxcursor::getCursorExpr(CXCursor Cursor) { 881 return dyn_cast_or_null<Expr>(getCursorStmt(Cursor)); 882 } 883 884 const Stmt *cxcursor::getCursorStmt(CXCursor Cursor) { 885 if (Cursor.kind == CXCursor_ObjCSuperClassRef || 886 Cursor.kind == CXCursor_ObjCProtocolRef || 887 Cursor.kind == CXCursor_ObjCClassRef) 888 return nullptr; 889 890 return static_cast<const Stmt *>(Cursor.data[1]); 891 } 892 893 const Attr *cxcursor::getCursorAttr(CXCursor Cursor) { 894 return static_cast<const Attr *>(Cursor.data[1]); 895 } 896 897 const Decl *cxcursor::getCursorParentDecl(CXCursor Cursor) { 898 return static_cast<const Decl *>(Cursor.data[0]); 899 } 900 901 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { 902 return getCursorASTUnit(Cursor)->getASTContext(); 903 } 904 905 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { 906 CXTranslationUnit TU = getCursorTU(Cursor); 907 if (!TU) 908 return nullptr; 909 return cxtu::getASTUnit(TU); 910 } 911 912 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { 913 return static_cast<CXTranslationUnit>(const_cast<void*>(Cursor.data[2])); 914 } 915 916 void cxcursor::getOverriddenCursors(CXCursor cursor, 917 SmallVectorImpl<CXCursor> &overridden) { 918 assert(clang_isDeclaration(cursor.kind)); 919 const NamedDecl *D = dyn_cast_or_null<NamedDecl>(getCursorDecl(cursor)); 920 if (!D) 921 return; 922 923 CXTranslationUnit TU = getCursorTU(cursor); 924 SmallVector<const NamedDecl *, 8> OverDecls; 925 D->getASTContext().getOverriddenMethods(D, OverDecls); 926 927 for (SmallVectorImpl<const NamedDecl *>::iterator 928 I = OverDecls.begin(), E = OverDecls.end(); I != E; ++I) { 929 overridden.push_back(MakeCXCursor(*I, TU)); 930 } 931 } 932 933 std::pair<int, SourceLocation> 934 cxcursor::getSelectorIdentifierIndexAndLoc(CXCursor cursor) { 935 if (cursor.kind == CXCursor_ObjCMessageExpr) { 936 if (cursor.xdata != -1) 937 return std::make_pair(cursor.xdata, 938 cast<ObjCMessageExpr>(getCursorExpr(cursor)) 939 ->getSelectorLoc(cursor.xdata)); 940 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 941 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 942 if (cursor.xdata != -1) 943 return std::make_pair(cursor.xdata, 944 cast<ObjCMethodDecl>(getCursorDecl(cursor)) 945 ->getSelectorLoc(cursor.xdata)); 946 } 947 948 return std::make_pair(-1, SourceLocation()); 949 } 950 951 CXCursor cxcursor::getSelectorIdentifierCursor(int SelIdx, CXCursor cursor) { 952 CXCursor newCursor = cursor; 953 954 if (cursor.kind == CXCursor_ObjCMessageExpr) { 955 if (SelIdx == -1 || 956 unsigned(SelIdx) >= cast<ObjCMessageExpr>(getCursorExpr(cursor)) 957 ->getNumSelectorLocs()) 958 newCursor.xdata = -1; 959 else 960 newCursor.xdata = SelIdx; 961 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 962 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 963 if (SelIdx == -1 || 964 unsigned(SelIdx) >= cast<ObjCMethodDecl>(getCursorDecl(cursor)) 965 ->getNumSelectorLocs()) 966 newCursor.xdata = -1; 967 else 968 newCursor.xdata = SelIdx; 969 } 970 971 return newCursor; 972 } 973 974 CXCursor cxcursor::getTypeRefCursor(CXCursor cursor) { 975 if (cursor.kind != CXCursor_CallExpr) 976 return cursor; 977 978 if (cursor.xdata == 0) 979 return cursor; 980 981 const Expr *E = getCursorExpr(cursor); 982 TypeSourceInfo *Type = nullptr; 983 if (const CXXUnresolvedConstructExpr * 984 UnCtor = dyn_cast<CXXUnresolvedConstructExpr>(E)) { 985 Type = UnCtor->getTypeSourceInfo(); 986 } else if (const CXXTemporaryObjectExpr *Tmp = 987 dyn_cast<CXXTemporaryObjectExpr>(E)){ 988 Type = Tmp->getTypeSourceInfo(); 989 } 990 991 if (!Type) 992 return cursor; 993 994 CXTranslationUnit TU = getCursorTU(cursor); 995 QualType Ty = Type->getType(); 996 TypeLoc TL = Type->getTypeLoc(); 997 SourceLocation Loc = TL.getBeginLoc(); 998 999 if (const ElaboratedType *ElabT = Ty->getAs<ElaboratedType>()) { 1000 Ty = ElabT->getNamedType(); 1001 ElaboratedTypeLoc ElabTL = TL.castAs<ElaboratedTypeLoc>(); 1002 Loc = ElabTL.getNamedTypeLoc().getBeginLoc(); 1003 } 1004 1005 if (const TypedefType *Typedef = Ty->getAs<TypedefType>()) 1006 return MakeCursorTypeRef(Typedef->getDecl(), Loc, TU); 1007 if (const TagType *Tag = Ty->getAs<TagType>()) 1008 return MakeCursorTypeRef(Tag->getDecl(), Loc, TU); 1009 if (const TemplateTypeParmType *TemplP = Ty->getAs<TemplateTypeParmType>()) 1010 return MakeCursorTypeRef(TemplP->getDecl(), Loc, TU); 1011 1012 return cursor; 1013 } 1014 1015 bool cxcursor::operator==(CXCursor X, CXCursor Y) { 1016 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && 1017 X.data[2] == Y.data[2]; 1018 } 1019 1020 // FIXME: Remove once we can model DeclGroups and their appropriate ranges 1021 // properly in the ASTs. 1022 bool cxcursor::isFirstInDeclGroup(CXCursor C) { 1023 assert(clang_isDeclaration(C.kind)); 1024 return ((uintptr_t) (C.data[1])) != 0; 1025 } 1026 1027 //===----------------------------------------------------------------------===// 1028 // libclang CXCursor APIs 1029 //===----------------------------------------------------------------------===// 1030 1031 extern "C" { 1032 1033 int clang_Cursor_isNull(CXCursor cursor) { 1034 return clang_equalCursors(cursor, clang_getNullCursor()); 1035 } 1036 1037 CXTranslationUnit clang_Cursor_getTranslationUnit(CXCursor cursor) { 1038 return getCursorTU(cursor); 1039 } 1040 1041 int clang_Cursor_getNumArguments(CXCursor C) { 1042 if (clang_isDeclaration(C.kind)) { 1043 const Decl *D = cxcursor::getCursorDecl(C); 1044 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) 1045 return MD->param_size(); 1046 if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) 1047 return FD->param_size(); 1048 } 1049 1050 if (clang_isExpression(C.kind)) { 1051 const Expr *E = cxcursor::getCursorExpr(C); 1052 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1053 return CE->getNumArgs(); 1054 } 1055 } 1056 1057 return -1; 1058 } 1059 1060 CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i) { 1061 if (clang_isDeclaration(C.kind)) { 1062 const Decl *D = cxcursor::getCursorDecl(C); 1063 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) { 1064 if (i < MD->param_size()) 1065 return cxcursor::MakeCXCursor(MD->parameters()[i], 1066 cxcursor::getCursorTU(C)); 1067 } else if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) { 1068 if (i < FD->param_size()) 1069 return cxcursor::MakeCXCursor(FD->parameters()[i], 1070 cxcursor::getCursorTU(C)); 1071 } 1072 } 1073 1074 if (clang_isExpression(C.kind)) { 1075 const Expr *E = cxcursor::getCursorExpr(C); 1076 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1077 if (i < CE->getNumArgs()) { 1078 return cxcursor::MakeCXCursor(CE->getArg(i), 1079 getCursorDecl(C), 1080 cxcursor::getCursorTU(C)); 1081 } 1082 } 1083 } 1084 1085 return clang_getNullCursor(); 1086 } 1087 1088 int clang_Cursor_getNumTemplateArguments(CXCursor C) { 1089 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1090 return -1; 1091 } 1092 1093 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1094 getCursorDecl(C)); 1095 if (!FD) { 1096 return -1; 1097 } 1098 1099 const FunctionTemplateSpecializationInfo* SpecInfo = 1100 FD->getTemplateSpecializationInfo(); 1101 if (!SpecInfo) { 1102 return -1; 1103 } 1104 1105 return SpecInfo->TemplateArguments->size(); 1106 } 1107 1108 enum CXGetTemplateArgumentStatus { 1109 /** \brief The operation completed successfully */ 1110 CXGetTemplateArgumentStatus_Success = 0, 1111 1112 /** \brief The specified cursor did not represent a FunctionDecl. */ 1113 CXGetTemplateArgumentStatus_CursorNotFunctionDecl = -1, 1114 1115 /** \brief The specified cursor was not castable to a FunctionDecl. */ 1116 CXGetTemplateArgumentStatus_BadFunctionDeclCast = -2, 1117 1118 /** \brief A NULL FunctionTemplateSpecializationInfo was retrieved. */ 1119 CXGetTemplateArgumentStatus_NullTemplSpecInfo = -3, 1120 1121 /** \brief An invalid (OOB) argument index was specified */ 1122 CXGetTemplateArgumentStatus_InvalidIndex = -4 1123 }; 1124 1125 static int clang_Cursor_getTemplateArgument( 1126 CXCursor C, unsigned I, TemplateArgument *TA) { 1127 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1128 return CXGetTemplateArgumentStatus_CursorNotFunctionDecl; 1129 } 1130 1131 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1132 getCursorDecl(C)); 1133 if (!FD) { 1134 return CXGetTemplateArgumentStatus_BadFunctionDeclCast; 1135 } 1136 1137 const FunctionTemplateSpecializationInfo* SpecInfo = 1138 FD->getTemplateSpecializationInfo(); 1139 if (!SpecInfo) { 1140 return CXGetTemplateArgumentStatus_NullTemplSpecInfo; 1141 } 1142 1143 if (I >= SpecInfo->TemplateArguments->size()) { 1144 return CXGetTemplateArgumentStatus_InvalidIndex; 1145 } 1146 1147 *TA = SpecInfo->TemplateArguments->get(I); 1148 return 0; 1149 } 1150 1151 enum CXTemplateArgumentKind clang_Cursor_getTemplateArgumentKind(CXCursor C, 1152 unsigned I) { 1153 TemplateArgument TA; 1154 if (clang_Cursor_getTemplateArgument(C, I, &TA)) { 1155 return CXTemplateArgumentKind_Invalid; 1156 } 1157 1158 switch (TA.getKind()) { 1159 case TemplateArgument::Null: return CXTemplateArgumentKind_Null; 1160 case TemplateArgument::Type: return CXTemplateArgumentKind_Type; 1161 case TemplateArgument::Declaration: 1162 return CXTemplateArgumentKind_Declaration; 1163 case TemplateArgument::NullPtr: return CXTemplateArgumentKind_NullPtr; 1164 case TemplateArgument::Integral: return CXTemplateArgumentKind_Integral; 1165 case TemplateArgument::Template: return CXTemplateArgumentKind_Template; 1166 case TemplateArgument::TemplateExpansion: 1167 return CXTemplateArgumentKind_TemplateExpansion; 1168 case TemplateArgument::Expression: return CXTemplateArgumentKind_Expression; 1169 case TemplateArgument::Pack: return CXTemplateArgumentKind_Pack; 1170 } 1171 1172 return CXTemplateArgumentKind_Invalid; 1173 } 1174 1175 CXType clang_Cursor_getTemplateArgumentType(CXCursor C, unsigned I) { 1176 TemplateArgument TA; 1177 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1178 CXGetTemplateArgumentStatus_Success) { 1179 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1180 } 1181 1182 if (TA.getKind() != TemplateArgument::Type) { 1183 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1184 } 1185 1186 return cxtype::MakeCXType(TA.getAsType(), getCursorTU(C)); 1187 } 1188 1189 long long clang_Cursor_getTemplateArgumentValue(CXCursor C, unsigned I) { 1190 TemplateArgument TA; 1191 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1192 CXGetTemplateArgumentStatus_Success) { 1193 assert(0 && "Unable to retrieve TemplateArgument"); 1194 return 0; 1195 } 1196 1197 if (TA.getKind() != TemplateArgument::Integral) { 1198 assert(0 && "Passed template argument is not Integral"); 1199 return 0; 1200 } 1201 1202 return TA.getAsIntegral().getSExtValue(); 1203 } 1204 1205 unsigned long long clang_Cursor_getTemplateArgumentUnsignedValue(CXCursor C, 1206 unsigned I) { 1207 TemplateArgument TA; 1208 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1209 CXGetTemplateArgumentStatus_Success) { 1210 assert(0 && "Unable to retrieve TemplateArgument"); 1211 return 0; 1212 } 1213 1214 if (TA.getKind() != TemplateArgument::Integral) { 1215 assert(0 && "Passed template argument is not Integral"); 1216 return 0; 1217 } 1218 1219 return TA.getAsIntegral().getZExtValue(); 1220 } 1221 1222 } // end: extern "C" 1223 1224 //===----------------------------------------------------------------------===// 1225 // CXCursorSet. 1226 //===----------------------------------------------------------------------===// 1227 1228 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; 1229 1230 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { 1231 return (CXCursorSet) setImpl; 1232 } 1233 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { 1234 return (CXCursorSet_Impl*) set; 1235 } 1236 namespace llvm { 1237 template<> struct DenseMapInfo<CXCursor> { 1238 public: 1239 static inline CXCursor getEmptyKey() { 1240 return MakeCXCursorInvalid(CXCursor_InvalidFile); 1241 } 1242 static inline CXCursor getTombstoneKey() { 1243 return MakeCXCursorInvalid(CXCursor_NoDeclFound); 1244 } 1245 static inline unsigned getHashValue(const CXCursor &cursor) { 1246 return llvm::DenseMapInfo<std::pair<const void *, const void *> > 1247 ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); 1248 } 1249 static inline bool isEqual(const CXCursor &x, const CXCursor &y) { 1250 return x.kind == y.kind && 1251 x.data[0] == y.data[0] && 1252 x.data[1] == y.data[1]; 1253 } 1254 }; 1255 } 1256 1257 extern "C" { 1258 CXCursorSet clang_createCXCursorSet() { 1259 return packCXCursorSet(new CXCursorSet_Impl()); 1260 } 1261 1262 void clang_disposeCXCursorSet(CXCursorSet set) { 1263 delete unpackCXCursorSet(set); 1264 } 1265 1266 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { 1267 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1268 if (!setImpl) 1269 return 0; 1270 return setImpl->find(cursor) != setImpl->end(); 1271 } 1272 1273 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { 1274 // Do not insert invalid cursors into the set. 1275 if (cursor.kind >= CXCursor_FirstInvalid && 1276 cursor.kind <= CXCursor_LastInvalid) 1277 return 1; 1278 1279 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1280 if (!setImpl) 1281 return 1; 1282 unsigned &entry = (*setImpl)[cursor]; 1283 unsigned flag = entry == 0 ? 1 : 0; 1284 entry = 1; 1285 return flag; 1286 } 1287 1288 CXCompletionString clang_getCursorCompletionString(CXCursor cursor) { 1289 enum CXCursorKind kind = clang_getCursorKind(cursor); 1290 if (clang_isDeclaration(kind)) { 1291 const Decl *decl = getCursorDecl(cursor); 1292 if (const NamedDecl *namedDecl = dyn_cast_or_null<NamedDecl>(decl)) { 1293 ASTUnit *unit = getCursorASTUnit(cursor); 1294 CodeCompletionResult Result(namedDecl, CCP_Declaration); 1295 CodeCompletionString *String 1296 = Result.CreateCodeCompletionString(unit->getASTContext(), 1297 unit->getPreprocessor(), 1298 unit->getCodeCompletionTUInfo().getAllocator(), 1299 unit->getCodeCompletionTUInfo(), 1300 true); 1301 return String; 1302 } 1303 } else if (kind == CXCursor_MacroDefinition) { 1304 const MacroDefinitionRecord *definition = getCursorMacroDefinition(cursor); 1305 const IdentifierInfo *MacroInfo = definition->getName(); 1306 ASTUnit *unit = getCursorASTUnit(cursor); 1307 CodeCompletionResult Result(MacroInfo); 1308 CodeCompletionString *String = Result.CreateCodeCompletionString( 1309 unit->getASTContext(), unit->getPreprocessor(), 1310 unit->getCodeCompletionTUInfo().getAllocator(), 1311 unit->getCodeCompletionTUInfo(), false); 1312 return String; 1313 } 1314 return nullptr; 1315 } 1316 } // end: extern C. 1317 1318 namespace { 1319 struct OverridenCursorsPool { 1320 typedef SmallVector<CXCursor, 2> CursorVec; 1321 std::vector<CursorVec*> AllCursors; 1322 std::vector<CursorVec*> AvailableCursors; 1323 1324 ~OverridenCursorsPool() { 1325 for (std::vector<CursorVec*>::iterator I = AllCursors.begin(), 1326 E = AllCursors.end(); I != E; ++I) { 1327 delete *I; 1328 } 1329 } 1330 }; 1331 } 1332 1333 void *cxcursor::createOverridenCXCursorsPool() { 1334 return new OverridenCursorsPool(); 1335 } 1336 1337 void cxcursor::disposeOverridenCXCursorsPool(void *pool) { 1338 delete static_cast<OverridenCursorsPool*>(pool); 1339 } 1340 1341 extern "C" { 1342 void clang_getOverriddenCursors(CXCursor cursor, 1343 CXCursor **overridden, 1344 unsigned *num_overridden) { 1345 if (overridden) 1346 *overridden = nullptr; 1347 if (num_overridden) 1348 *num_overridden = 0; 1349 1350 CXTranslationUnit TU = cxcursor::getCursorTU(cursor); 1351 1352 if (!overridden || !num_overridden || !TU) 1353 return; 1354 1355 if (!clang_isDeclaration(cursor.kind)) 1356 return; 1357 1358 OverridenCursorsPool &pool = 1359 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1360 1361 OverridenCursorsPool::CursorVec *Vec = nullptr; 1362 1363 if (!pool.AvailableCursors.empty()) { 1364 Vec = pool.AvailableCursors.back(); 1365 pool.AvailableCursors.pop_back(); 1366 } 1367 else { 1368 Vec = new OverridenCursorsPool::CursorVec(); 1369 pool.AllCursors.push_back(Vec); 1370 } 1371 1372 // Clear out the vector, but don't free the memory contents. This 1373 // reduces malloc() traffic. 1374 Vec->clear(); 1375 1376 // Use the first entry to contain a back reference to the vector. 1377 // This is a complete hack. 1378 CXCursor backRefCursor = MakeCXCursorInvalid(CXCursor_InvalidFile, TU); 1379 backRefCursor.data[0] = Vec; 1380 assert(cxcursor::getCursorTU(backRefCursor) == TU); 1381 Vec->push_back(backRefCursor); 1382 1383 // Get the overriden cursors. 1384 cxcursor::getOverriddenCursors(cursor, *Vec); 1385 1386 // Did we get any overriden cursors? If not, return Vec to the pool 1387 // of available cursor vectors. 1388 if (Vec->size() == 1) { 1389 pool.AvailableCursors.push_back(Vec); 1390 return; 1391 } 1392 1393 // Now tell the caller about the overriden cursors. 1394 assert(Vec->size() > 1); 1395 *overridden = &((*Vec)[1]); 1396 *num_overridden = Vec->size() - 1; 1397 } 1398 1399 void clang_disposeOverriddenCursors(CXCursor *overridden) { 1400 if (!overridden) 1401 return; 1402 1403 // Use pointer arithmetic to get back the first faux entry 1404 // which has a back-reference to the TU and the vector. 1405 --overridden; 1406 OverridenCursorsPool::CursorVec *Vec = 1407 static_cast<OverridenCursorsPool::CursorVec *>( 1408 const_cast<void *>(overridden->data[0])); 1409 CXTranslationUnit TU = getCursorTU(*overridden); 1410 1411 assert(Vec && TU); 1412 1413 OverridenCursorsPool &pool = 1414 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1415 1416 pool.AvailableCursors.push_back(Vec); 1417 } 1418 1419 int clang_Cursor_isDynamicCall(CXCursor C) { 1420 const Expr *E = nullptr; 1421 if (clang_isExpression(C.kind)) 1422 E = getCursorExpr(C); 1423 if (!E) 1424 return 0; 1425 1426 if (const ObjCMessageExpr *MsgE = dyn_cast<ObjCMessageExpr>(E)) { 1427 if (MsgE->getReceiverKind() != ObjCMessageExpr::Instance) 1428 return false; 1429 if (auto *RecE = dyn_cast<ObjCMessageExpr>( 1430 MsgE->getInstanceReceiver()->IgnoreParenCasts())) { 1431 if (RecE->getMethodFamily() == OMF_alloc) 1432 return false; 1433 } 1434 return true; 1435 } 1436 1437 const MemberExpr *ME = nullptr; 1438 if (isa<MemberExpr>(E)) 1439 ME = cast<MemberExpr>(E); 1440 else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) 1441 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); 1442 1443 if (ME) { 1444 if (const CXXMethodDecl * 1445 MD = dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) 1446 return MD->isVirtual() && !ME->hasQualifier(); 1447 } 1448 1449 return 0; 1450 } 1451 1452 CXType clang_Cursor_getReceiverType(CXCursor C) { 1453 CXTranslationUnit TU = cxcursor::getCursorTU(C); 1454 const Expr *E = nullptr; 1455 if (clang_isExpression(C.kind)) 1456 E = getCursorExpr(C); 1457 1458 if (const ObjCMessageExpr *MsgE = dyn_cast_or_null<ObjCMessageExpr>(E)) 1459 return cxtype::MakeCXType(MsgE->getReceiverType(), TU); 1460 1461 return cxtype::MakeCXType(QualType(), TU); 1462 } 1463 1464 } // end: extern "C" 1465