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::OMPTargetDataDirectiveClass: 589 K = CXCursor_OMPTargetDataDirective; 590 break; 591 case Stmt::OMPTeamsDirectiveClass: 592 K = CXCursor_OMPTeamsDirective; 593 break; 594 case Stmt::OMPCancellationPointDirectiveClass: 595 K = CXCursor_OMPCancellationPointDirective; 596 break; 597 case Stmt::OMPCancelDirectiveClass: 598 K = CXCursor_OMPCancelDirective; 599 break; 600 } 601 602 CXCursor C = { K, 0, { Parent, S, TU } }; 603 return C; 604 } 605 606 CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super, 607 SourceLocation Loc, 608 CXTranslationUnit TU) { 609 assert(Super && TU && "Invalid arguments!"); 610 void *RawLoc = Loc.getPtrEncoding(); 611 CXCursor C = { CXCursor_ObjCSuperClassRef, 0, { Super, RawLoc, TU } }; 612 return C; 613 } 614 615 std::pair<const ObjCInterfaceDecl *, SourceLocation> 616 cxcursor::getCursorObjCSuperClassRef(CXCursor C) { 617 assert(C.kind == CXCursor_ObjCSuperClassRef); 618 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 619 SourceLocation::getFromPtrEncoding(C.data[1])); 620 } 621 622 CXCursor cxcursor::MakeCursorObjCProtocolRef(const ObjCProtocolDecl *Proto, 623 SourceLocation Loc, 624 CXTranslationUnit TU) { 625 assert(Proto && TU && "Invalid arguments!"); 626 void *RawLoc = Loc.getPtrEncoding(); 627 CXCursor C = { CXCursor_ObjCProtocolRef, 0, { Proto, RawLoc, TU } }; 628 return C; 629 } 630 631 std::pair<const ObjCProtocolDecl *, SourceLocation> 632 cxcursor::getCursorObjCProtocolRef(CXCursor C) { 633 assert(C.kind == CXCursor_ObjCProtocolRef); 634 return std::make_pair(static_cast<const ObjCProtocolDecl *>(C.data[0]), 635 SourceLocation::getFromPtrEncoding(C.data[1])); 636 } 637 638 CXCursor cxcursor::MakeCursorObjCClassRef(const ObjCInterfaceDecl *Class, 639 SourceLocation Loc, 640 CXTranslationUnit TU) { 641 // 'Class' can be null for invalid code. 642 if (!Class) 643 return MakeCXCursorInvalid(CXCursor_InvalidCode); 644 assert(TU && "Invalid arguments!"); 645 void *RawLoc = Loc.getPtrEncoding(); 646 CXCursor C = { CXCursor_ObjCClassRef, 0, { Class, RawLoc, TU } }; 647 return C; 648 } 649 650 std::pair<const ObjCInterfaceDecl *, SourceLocation> 651 cxcursor::getCursorObjCClassRef(CXCursor C) { 652 assert(C.kind == CXCursor_ObjCClassRef); 653 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 654 SourceLocation::getFromPtrEncoding(C.data[1])); 655 } 656 657 CXCursor cxcursor::MakeCursorTypeRef(const TypeDecl *Type, SourceLocation Loc, 658 CXTranslationUnit TU) { 659 assert(Type && TU && "Invalid arguments!"); 660 void *RawLoc = Loc.getPtrEncoding(); 661 CXCursor C = { CXCursor_TypeRef, 0, { Type, RawLoc, TU } }; 662 return C; 663 } 664 665 std::pair<const TypeDecl *, SourceLocation> 666 cxcursor::getCursorTypeRef(CXCursor C) { 667 assert(C.kind == CXCursor_TypeRef); 668 return std::make_pair(static_cast<const TypeDecl *>(C.data[0]), 669 SourceLocation::getFromPtrEncoding(C.data[1])); 670 } 671 672 CXCursor cxcursor::MakeCursorTemplateRef(const TemplateDecl *Template, 673 SourceLocation Loc, 674 CXTranslationUnit TU) { 675 assert(Template && TU && "Invalid arguments!"); 676 void *RawLoc = Loc.getPtrEncoding(); 677 CXCursor C = { CXCursor_TemplateRef, 0, { Template, RawLoc, TU } }; 678 return C; 679 } 680 681 std::pair<const TemplateDecl *, SourceLocation> 682 cxcursor::getCursorTemplateRef(CXCursor C) { 683 assert(C.kind == CXCursor_TemplateRef); 684 return std::make_pair(static_cast<const TemplateDecl *>(C.data[0]), 685 SourceLocation::getFromPtrEncoding(C.data[1])); 686 } 687 688 CXCursor cxcursor::MakeCursorNamespaceRef(const NamedDecl *NS, 689 SourceLocation Loc, 690 CXTranslationUnit TU) { 691 692 assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU && 693 "Invalid arguments!"); 694 void *RawLoc = Loc.getPtrEncoding(); 695 CXCursor C = { CXCursor_NamespaceRef, 0, { NS, RawLoc, TU } }; 696 return C; 697 } 698 699 std::pair<const NamedDecl *, SourceLocation> 700 cxcursor::getCursorNamespaceRef(CXCursor C) { 701 assert(C.kind == CXCursor_NamespaceRef); 702 return std::make_pair(static_cast<const NamedDecl *>(C.data[0]), 703 SourceLocation::getFromPtrEncoding(C.data[1])); 704 } 705 706 CXCursor cxcursor::MakeCursorVariableRef(const VarDecl *Var, SourceLocation Loc, 707 CXTranslationUnit TU) { 708 709 assert(Var && TU && "Invalid arguments!"); 710 void *RawLoc = Loc.getPtrEncoding(); 711 CXCursor C = { CXCursor_VariableRef, 0, { Var, RawLoc, TU } }; 712 return C; 713 } 714 715 std::pair<const VarDecl *, SourceLocation> 716 cxcursor::getCursorVariableRef(CXCursor C) { 717 assert(C.kind == CXCursor_VariableRef); 718 return std::make_pair(static_cast<const VarDecl *>(C.data[0]), 719 SourceLocation::getFromPtrEncoding(C.data[1])); 720 } 721 722 CXCursor cxcursor::MakeCursorMemberRef(const FieldDecl *Field, SourceLocation Loc, 723 CXTranslationUnit TU) { 724 725 assert(Field && TU && "Invalid arguments!"); 726 void *RawLoc = Loc.getPtrEncoding(); 727 CXCursor C = { CXCursor_MemberRef, 0, { Field, RawLoc, TU } }; 728 return C; 729 } 730 731 std::pair<const FieldDecl *, SourceLocation> 732 cxcursor::getCursorMemberRef(CXCursor C) { 733 assert(C.kind == CXCursor_MemberRef); 734 return std::make_pair(static_cast<const FieldDecl *>(C.data[0]), 735 SourceLocation::getFromPtrEncoding(C.data[1])); 736 } 737 738 CXCursor cxcursor::MakeCursorCXXBaseSpecifier(const CXXBaseSpecifier *B, 739 CXTranslationUnit TU){ 740 CXCursor C = { CXCursor_CXXBaseSpecifier, 0, { B, nullptr, TU } }; 741 return C; 742 } 743 744 const CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) { 745 assert(C.kind == CXCursor_CXXBaseSpecifier); 746 return static_cast<const CXXBaseSpecifier*>(C.data[0]); 747 } 748 749 CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range, 750 CXTranslationUnit TU) { 751 CXCursor C = { CXCursor_PreprocessingDirective, 0, 752 { Range.getBegin().getPtrEncoding(), 753 Range.getEnd().getPtrEncoding(), 754 TU } 755 }; 756 return C; 757 } 758 759 SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) { 760 assert(C.kind == CXCursor_PreprocessingDirective); 761 SourceRange Range(SourceLocation::getFromPtrEncoding(C.data[0]), 762 SourceLocation::getFromPtrEncoding(C.data[1])); 763 ASTUnit *TU = getCursorASTUnit(C); 764 return TU->mapRangeFromPreamble(Range); 765 } 766 767 CXCursor cxcursor::MakeMacroDefinitionCursor(const MacroDefinitionRecord *MI, 768 CXTranslationUnit TU) { 769 CXCursor C = {CXCursor_MacroDefinition, 0, {MI, nullptr, TU}}; 770 return C; 771 } 772 773 const MacroDefinitionRecord *cxcursor::getCursorMacroDefinition(CXCursor C) { 774 assert(C.kind == CXCursor_MacroDefinition); 775 return static_cast<const MacroDefinitionRecord *>(C.data[0]); 776 } 777 778 CXCursor cxcursor::MakeMacroExpansionCursor(MacroExpansion *MI, 779 CXTranslationUnit TU) { 780 CXCursor C = { CXCursor_MacroExpansion, 0, { MI, nullptr, TU } }; 781 return C; 782 } 783 784 CXCursor cxcursor::MakeMacroExpansionCursor(MacroDefinitionRecord *MI, 785 SourceLocation Loc, 786 CXTranslationUnit TU) { 787 assert(Loc.isValid()); 788 CXCursor C = {CXCursor_MacroExpansion, 0, {MI, Loc.getPtrEncoding(), TU}}; 789 return C; 790 } 791 792 const IdentifierInfo *cxcursor::MacroExpansionCursor::getName() const { 793 if (isPseudo()) 794 return getAsMacroDefinition()->getName(); 795 return getAsMacroExpansion()->getName(); 796 } 797 const MacroDefinitionRecord * 798 cxcursor::MacroExpansionCursor::getDefinition() const { 799 if (isPseudo()) 800 return getAsMacroDefinition(); 801 return getAsMacroExpansion()->getDefinition(); 802 } 803 SourceRange cxcursor::MacroExpansionCursor::getSourceRange() const { 804 if (isPseudo()) 805 return getPseudoLoc(); 806 return getAsMacroExpansion()->getSourceRange(); 807 } 808 809 CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID, 810 CXTranslationUnit TU) { 811 CXCursor C = { CXCursor_InclusionDirective, 0, { ID, nullptr, TU } }; 812 return C; 813 } 814 815 const InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) { 816 assert(C.kind == CXCursor_InclusionDirective); 817 return static_cast<const InclusionDirective *>(C.data[0]); 818 } 819 820 CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc, 821 CXTranslationUnit TU) { 822 823 assert(Label && TU && "Invalid arguments!"); 824 void *RawLoc = Loc.getPtrEncoding(); 825 CXCursor C = { CXCursor_LabelRef, 0, { Label, RawLoc, TU } }; 826 return C; 827 } 828 829 std::pair<const LabelStmt *, SourceLocation> 830 cxcursor::getCursorLabelRef(CXCursor C) { 831 assert(C.kind == CXCursor_LabelRef); 832 return std::make_pair(static_cast<const LabelStmt *>(C.data[0]), 833 SourceLocation::getFromPtrEncoding(C.data[1])); 834 } 835 836 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const OverloadExpr *E, 837 CXTranslationUnit TU) { 838 assert(E && TU && "Invalid arguments!"); 839 OverloadedDeclRefStorage Storage(E); 840 void *RawLoc = E->getNameLoc().getPtrEncoding(); 841 CXCursor C = { 842 CXCursor_OverloadedDeclRef, 0, 843 { Storage.getOpaqueValue(), RawLoc, TU } 844 }; 845 return C; 846 } 847 848 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const Decl *D, 849 SourceLocation Loc, 850 CXTranslationUnit TU) { 851 assert(D && TU && "Invalid arguments!"); 852 void *RawLoc = Loc.getPtrEncoding(); 853 OverloadedDeclRefStorage Storage(D); 854 CXCursor C = { 855 CXCursor_OverloadedDeclRef, 0, 856 { Storage.getOpaqueValue(), RawLoc, TU } 857 }; 858 return C; 859 } 860 861 CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name, 862 SourceLocation Loc, 863 CXTranslationUnit TU) { 864 assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!"); 865 void *RawLoc = Loc.getPtrEncoding(); 866 OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate()); 867 CXCursor C = { 868 CXCursor_OverloadedDeclRef, 0, 869 { Storage.getOpaqueValue(), RawLoc, TU } 870 }; 871 return C; 872 } 873 874 std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation> 875 cxcursor::getCursorOverloadedDeclRef(CXCursor C) { 876 assert(C.kind == CXCursor_OverloadedDeclRef); 877 return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue( 878 const_cast<void *>(C.data[0])), 879 SourceLocation::getFromPtrEncoding(C.data[1])); 880 } 881 882 const Decl *cxcursor::getCursorDecl(CXCursor Cursor) { 883 return static_cast<const Decl *>(Cursor.data[0]); 884 } 885 886 const Expr *cxcursor::getCursorExpr(CXCursor Cursor) { 887 return dyn_cast_or_null<Expr>(getCursorStmt(Cursor)); 888 } 889 890 const Stmt *cxcursor::getCursorStmt(CXCursor Cursor) { 891 if (Cursor.kind == CXCursor_ObjCSuperClassRef || 892 Cursor.kind == CXCursor_ObjCProtocolRef || 893 Cursor.kind == CXCursor_ObjCClassRef) 894 return nullptr; 895 896 return static_cast<const Stmt *>(Cursor.data[1]); 897 } 898 899 const Attr *cxcursor::getCursorAttr(CXCursor Cursor) { 900 return static_cast<const Attr *>(Cursor.data[1]); 901 } 902 903 const Decl *cxcursor::getCursorParentDecl(CXCursor Cursor) { 904 return static_cast<const Decl *>(Cursor.data[0]); 905 } 906 907 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { 908 return getCursorASTUnit(Cursor)->getASTContext(); 909 } 910 911 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { 912 CXTranslationUnit TU = getCursorTU(Cursor); 913 if (!TU) 914 return nullptr; 915 return cxtu::getASTUnit(TU); 916 } 917 918 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { 919 return static_cast<CXTranslationUnit>(const_cast<void*>(Cursor.data[2])); 920 } 921 922 void cxcursor::getOverriddenCursors(CXCursor cursor, 923 SmallVectorImpl<CXCursor> &overridden) { 924 assert(clang_isDeclaration(cursor.kind)); 925 const NamedDecl *D = dyn_cast_or_null<NamedDecl>(getCursorDecl(cursor)); 926 if (!D) 927 return; 928 929 CXTranslationUnit TU = getCursorTU(cursor); 930 SmallVector<const NamedDecl *, 8> OverDecls; 931 D->getASTContext().getOverriddenMethods(D, OverDecls); 932 933 for (SmallVectorImpl<const NamedDecl *>::iterator 934 I = OverDecls.begin(), E = OverDecls.end(); I != E; ++I) { 935 overridden.push_back(MakeCXCursor(*I, TU)); 936 } 937 } 938 939 std::pair<int, SourceLocation> 940 cxcursor::getSelectorIdentifierIndexAndLoc(CXCursor cursor) { 941 if (cursor.kind == CXCursor_ObjCMessageExpr) { 942 if (cursor.xdata != -1) 943 return std::make_pair(cursor.xdata, 944 cast<ObjCMessageExpr>(getCursorExpr(cursor)) 945 ->getSelectorLoc(cursor.xdata)); 946 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 947 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 948 if (cursor.xdata != -1) 949 return std::make_pair(cursor.xdata, 950 cast<ObjCMethodDecl>(getCursorDecl(cursor)) 951 ->getSelectorLoc(cursor.xdata)); 952 } 953 954 return std::make_pair(-1, SourceLocation()); 955 } 956 957 CXCursor cxcursor::getSelectorIdentifierCursor(int SelIdx, CXCursor cursor) { 958 CXCursor newCursor = cursor; 959 960 if (cursor.kind == CXCursor_ObjCMessageExpr) { 961 if (SelIdx == -1 || 962 unsigned(SelIdx) >= cast<ObjCMessageExpr>(getCursorExpr(cursor)) 963 ->getNumSelectorLocs()) 964 newCursor.xdata = -1; 965 else 966 newCursor.xdata = SelIdx; 967 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 968 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 969 if (SelIdx == -1 || 970 unsigned(SelIdx) >= cast<ObjCMethodDecl>(getCursorDecl(cursor)) 971 ->getNumSelectorLocs()) 972 newCursor.xdata = -1; 973 else 974 newCursor.xdata = SelIdx; 975 } 976 977 return newCursor; 978 } 979 980 CXCursor cxcursor::getTypeRefCursor(CXCursor cursor) { 981 if (cursor.kind != CXCursor_CallExpr) 982 return cursor; 983 984 if (cursor.xdata == 0) 985 return cursor; 986 987 const Expr *E = getCursorExpr(cursor); 988 TypeSourceInfo *Type = nullptr; 989 if (const CXXUnresolvedConstructExpr * 990 UnCtor = dyn_cast<CXXUnresolvedConstructExpr>(E)) { 991 Type = UnCtor->getTypeSourceInfo(); 992 } else if (const CXXTemporaryObjectExpr *Tmp = 993 dyn_cast<CXXTemporaryObjectExpr>(E)){ 994 Type = Tmp->getTypeSourceInfo(); 995 } 996 997 if (!Type) 998 return cursor; 999 1000 CXTranslationUnit TU = getCursorTU(cursor); 1001 QualType Ty = Type->getType(); 1002 TypeLoc TL = Type->getTypeLoc(); 1003 SourceLocation Loc = TL.getBeginLoc(); 1004 1005 if (const ElaboratedType *ElabT = Ty->getAs<ElaboratedType>()) { 1006 Ty = ElabT->getNamedType(); 1007 ElaboratedTypeLoc ElabTL = TL.castAs<ElaboratedTypeLoc>(); 1008 Loc = ElabTL.getNamedTypeLoc().getBeginLoc(); 1009 } 1010 1011 if (const TypedefType *Typedef = Ty->getAs<TypedefType>()) 1012 return MakeCursorTypeRef(Typedef->getDecl(), Loc, TU); 1013 if (const TagType *Tag = Ty->getAs<TagType>()) 1014 return MakeCursorTypeRef(Tag->getDecl(), Loc, TU); 1015 if (const TemplateTypeParmType *TemplP = Ty->getAs<TemplateTypeParmType>()) 1016 return MakeCursorTypeRef(TemplP->getDecl(), Loc, TU); 1017 1018 return cursor; 1019 } 1020 1021 bool cxcursor::operator==(CXCursor X, CXCursor Y) { 1022 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && 1023 X.data[2] == Y.data[2]; 1024 } 1025 1026 // FIXME: Remove once we can model DeclGroups and their appropriate ranges 1027 // properly in the ASTs. 1028 bool cxcursor::isFirstInDeclGroup(CXCursor C) { 1029 assert(clang_isDeclaration(C.kind)); 1030 return ((uintptr_t) (C.data[1])) != 0; 1031 } 1032 1033 //===----------------------------------------------------------------------===// 1034 // libclang CXCursor APIs 1035 //===----------------------------------------------------------------------===// 1036 1037 extern "C" { 1038 1039 int clang_Cursor_isNull(CXCursor cursor) { 1040 return clang_equalCursors(cursor, clang_getNullCursor()); 1041 } 1042 1043 CXTranslationUnit clang_Cursor_getTranslationUnit(CXCursor cursor) { 1044 return getCursorTU(cursor); 1045 } 1046 1047 int clang_Cursor_getNumArguments(CXCursor C) { 1048 if (clang_isDeclaration(C.kind)) { 1049 const Decl *D = cxcursor::getCursorDecl(C); 1050 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) 1051 return MD->param_size(); 1052 if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) 1053 return FD->param_size(); 1054 } 1055 1056 if (clang_isExpression(C.kind)) { 1057 const Expr *E = cxcursor::getCursorExpr(C); 1058 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1059 return CE->getNumArgs(); 1060 } 1061 } 1062 1063 return -1; 1064 } 1065 1066 CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i) { 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 if (i < MD->param_size()) 1071 return cxcursor::MakeCXCursor(MD->parameters()[i], 1072 cxcursor::getCursorTU(C)); 1073 } else if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) { 1074 if (i < FD->param_size()) 1075 return cxcursor::MakeCXCursor(FD->parameters()[i], 1076 cxcursor::getCursorTU(C)); 1077 } 1078 } 1079 1080 if (clang_isExpression(C.kind)) { 1081 const Expr *E = cxcursor::getCursorExpr(C); 1082 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1083 if (i < CE->getNumArgs()) { 1084 return cxcursor::MakeCXCursor(CE->getArg(i), 1085 getCursorDecl(C), 1086 cxcursor::getCursorTU(C)); 1087 } 1088 } 1089 } 1090 1091 return clang_getNullCursor(); 1092 } 1093 1094 int clang_Cursor_getNumTemplateArguments(CXCursor C) { 1095 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1096 return -1; 1097 } 1098 1099 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1100 getCursorDecl(C)); 1101 if (!FD) { 1102 return -1; 1103 } 1104 1105 const FunctionTemplateSpecializationInfo* SpecInfo = 1106 FD->getTemplateSpecializationInfo(); 1107 if (!SpecInfo) { 1108 return -1; 1109 } 1110 1111 return SpecInfo->TemplateArguments->size(); 1112 } 1113 1114 enum CXGetTemplateArgumentStatus { 1115 /** \brief The operation completed successfully */ 1116 CXGetTemplateArgumentStatus_Success = 0, 1117 1118 /** \brief The specified cursor did not represent a FunctionDecl. */ 1119 CXGetTemplateArgumentStatus_CursorNotFunctionDecl = -1, 1120 1121 /** \brief The specified cursor was not castable to a FunctionDecl. */ 1122 CXGetTemplateArgumentStatus_BadFunctionDeclCast = -2, 1123 1124 /** \brief A NULL FunctionTemplateSpecializationInfo was retrieved. */ 1125 CXGetTemplateArgumentStatus_NullTemplSpecInfo = -3, 1126 1127 /** \brief An invalid (OOB) argument index was specified */ 1128 CXGetTemplateArgumentStatus_InvalidIndex = -4 1129 }; 1130 1131 static int clang_Cursor_getTemplateArgument( 1132 CXCursor C, unsigned I, TemplateArgument *TA) { 1133 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1134 return CXGetTemplateArgumentStatus_CursorNotFunctionDecl; 1135 } 1136 1137 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1138 getCursorDecl(C)); 1139 if (!FD) { 1140 return CXGetTemplateArgumentStatus_BadFunctionDeclCast; 1141 } 1142 1143 const FunctionTemplateSpecializationInfo* SpecInfo = 1144 FD->getTemplateSpecializationInfo(); 1145 if (!SpecInfo) { 1146 return CXGetTemplateArgumentStatus_NullTemplSpecInfo; 1147 } 1148 1149 if (I >= SpecInfo->TemplateArguments->size()) { 1150 return CXGetTemplateArgumentStatus_InvalidIndex; 1151 } 1152 1153 *TA = SpecInfo->TemplateArguments->get(I); 1154 return 0; 1155 } 1156 1157 enum CXTemplateArgumentKind clang_Cursor_getTemplateArgumentKind(CXCursor C, 1158 unsigned I) { 1159 TemplateArgument TA; 1160 if (clang_Cursor_getTemplateArgument(C, I, &TA)) { 1161 return CXTemplateArgumentKind_Invalid; 1162 } 1163 1164 switch (TA.getKind()) { 1165 case TemplateArgument::Null: return CXTemplateArgumentKind_Null; 1166 case TemplateArgument::Type: return CXTemplateArgumentKind_Type; 1167 case TemplateArgument::Declaration: 1168 return CXTemplateArgumentKind_Declaration; 1169 case TemplateArgument::NullPtr: return CXTemplateArgumentKind_NullPtr; 1170 case TemplateArgument::Integral: return CXTemplateArgumentKind_Integral; 1171 case TemplateArgument::Template: return CXTemplateArgumentKind_Template; 1172 case TemplateArgument::TemplateExpansion: 1173 return CXTemplateArgumentKind_TemplateExpansion; 1174 case TemplateArgument::Expression: return CXTemplateArgumentKind_Expression; 1175 case TemplateArgument::Pack: return CXTemplateArgumentKind_Pack; 1176 } 1177 1178 return CXTemplateArgumentKind_Invalid; 1179 } 1180 1181 CXType clang_Cursor_getTemplateArgumentType(CXCursor C, unsigned I) { 1182 TemplateArgument TA; 1183 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1184 CXGetTemplateArgumentStatus_Success) { 1185 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1186 } 1187 1188 if (TA.getKind() != TemplateArgument::Type) { 1189 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1190 } 1191 1192 return cxtype::MakeCXType(TA.getAsType(), getCursorTU(C)); 1193 } 1194 1195 long long clang_Cursor_getTemplateArgumentValue(CXCursor C, unsigned I) { 1196 TemplateArgument TA; 1197 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1198 CXGetTemplateArgumentStatus_Success) { 1199 assert(0 && "Unable to retrieve TemplateArgument"); 1200 return 0; 1201 } 1202 1203 if (TA.getKind() != TemplateArgument::Integral) { 1204 assert(0 && "Passed template argument is not Integral"); 1205 return 0; 1206 } 1207 1208 return TA.getAsIntegral().getSExtValue(); 1209 } 1210 1211 unsigned long long clang_Cursor_getTemplateArgumentUnsignedValue(CXCursor C, 1212 unsigned I) { 1213 TemplateArgument TA; 1214 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1215 CXGetTemplateArgumentStatus_Success) { 1216 assert(0 && "Unable to retrieve TemplateArgument"); 1217 return 0; 1218 } 1219 1220 if (TA.getKind() != TemplateArgument::Integral) { 1221 assert(0 && "Passed template argument is not Integral"); 1222 return 0; 1223 } 1224 1225 return TA.getAsIntegral().getZExtValue(); 1226 } 1227 1228 } // end: extern "C" 1229 1230 //===----------------------------------------------------------------------===// 1231 // CXCursorSet. 1232 //===----------------------------------------------------------------------===// 1233 1234 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; 1235 1236 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { 1237 return (CXCursorSet) setImpl; 1238 } 1239 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { 1240 return (CXCursorSet_Impl*) set; 1241 } 1242 namespace llvm { 1243 template<> struct DenseMapInfo<CXCursor> { 1244 public: 1245 static inline CXCursor getEmptyKey() { 1246 return MakeCXCursorInvalid(CXCursor_InvalidFile); 1247 } 1248 static inline CXCursor getTombstoneKey() { 1249 return MakeCXCursorInvalid(CXCursor_NoDeclFound); 1250 } 1251 static inline unsigned getHashValue(const CXCursor &cursor) { 1252 return llvm::DenseMapInfo<std::pair<const void *, const void *> > 1253 ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); 1254 } 1255 static inline bool isEqual(const CXCursor &x, const CXCursor &y) { 1256 return x.kind == y.kind && 1257 x.data[0] == y.data[0] && 1258 x.data[1] == y.data[1]; 1259 } 1260 }; 1261 } 1262 1263 extern "C" { 1264 CXCursorSet clang_createCXCursorSet() { 1265 return packCXCursorSet(new CXCursorSet_Impl()); 1266 } 1267 1268 void clang_disposeCXCursorSet(CXCursorSet set) { 1269 delete unpackCXCursorSet(set); 1270 } 1271 1272 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { 1273 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1274 if (!setImpl) 1275 return 0; 1276 return setImpl->find(cursor) != setImpl->end(); 1277 } 1278 1279 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { 1280 // Do not insert invalid cursors into the set. 1281 if (cursor.kind >= CXCursor_FirstInvalid && 1282 cursor.kind <= CXCursor_LastInvalid) 1283 return 1; 1284 1285 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1286 if (!setImpl) 1287 return 1; 1288 unsigned &entry = (*setImpl)[cursor]; 1289 unsigned flag = entry == 0 ? 1 : 0; 1290 entry = 1; 1291 return flag; 1292 } 1293 1294 CXCompletionString clang_getCursorCompletionString(CXCursor cursor) { 1295 enum CXCursorKind kind = clang_getCursorKind(cursor); 1296 if (clang_isDeclaration(kind)) { 1297 const Decl *decl = getCursorDecl(cursor); 1298 if (const NamedDecl *namedDecl = dyn_cast_or_null<NamedDecl>(decl)) { 1299 ASTUnit *unit = getCursorASTUnit(cursor); 1300 CodeCompletionResult Result(namedDecl, CCP_Declaration); 1301 CodeCompletionString *String 1302 = Result.CreateCodeCompletionString(unit->getASTContext(), 1303 unit->getPreprocessor(), 1304 CodeCompletionContext::CCC_Other, 1305 unit->getCodeCompletionTUInfo().getAllocator(), 1306 unit->getCodeCompletionTUInfo(), 1307 true); 1308 return String; 1309 } 1310 } else if (kind == CXCursor_MacroDefinition) { 1311 const MacroDefinitionRecord *definition = getCursorMacroDefinition(cursor); 1312 const IdentifierInfo *MacroInfo = definition->getName(); 1313 ASTUnit *unit = getCursorASTUnit(cursor); 1314 CodeCompletionResult Result(MacroInfo); 1315 CodeCompletionString *String 1316 = Result.CreateCodeCompletionString(unit->getASTContext(), 1317 unit->getPreprocessor(), 1318 CodeCompletionContext::CCC_Other, 1319 unit->getCodeCompletionTUInfo().getAllocator(), 1320 unit->getCodeCompletionTUInfo(), 1321 false); 1322 return String; 1323 } 1324 return nullptr; 1325 } 1326 } // end: extern C. 1327 1328 namespace { 1329 struct OverridenCursorsPool { 1330 typedef SmallVector<CXCursor, 2> CursorVec; 1331 std::vector<CursorVec*> AllCursors; 1332 std::vector<CursorVec*> AvailableCursors; 1333 1334 ~OverridenCursorsPool() { 1335 for (std::vector<CursorVec*>::iterator I = AllCursors.begin(), 1336 E = AllCursors.end(); I != E; ++I) { 1337 delete *I; 1338 } 1339 } 1340 }; 1341 } 1342 1343 void *cxcursor::createOverridenCXCursorsPool() { 1344 return new OverridenCursorsPool(); 1345 } 1346 1347 void cxcursor::disposeOverridenCXCursorsPool(void *pool) { 1348 delete static_cast<OverridenCursorsPool*>(pool); 1349 } 1350 1351 extern "C" { 1352 void clang_getOverriddenCursors(CXCursor cursor, 1353 CXCursor **overridden, 1354 unsigned *num_overridden) { 1355 if (overridden) 1356 *overridden = nullptr; 1357 if (num_overridden) 1358 *num_overridden = 0; 1359 1360 CXTranslationUnit TU = cxcursor::getCursorTU(cursor); 1361 1362 if (!overridden || !num_overridden || !TU) 1363 return; 1364 1365 if (!clang_isDeclaration(cursor.kind)) 1366 return; 1367 1368 OverridenCursorsPool &pool = 1369 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1370 1371 OverridenCursorsPool::CursorVec *Vec = nullptr; 1372 1373 if (!pool.AvailableCursors.empty()) { 1374 Vec = pool.AvailableCursors.back(); 1375 pool.AvailableCursors.pop_back(); 1376 } 1377 else { 1378 Vec = new OverridenCursorsPool::CursorVec(); 1379 pool.AllCursors.push_back(Vec); 1380 } 1381 1382 // Clear out the vector, but don't free the memory contents. This 1383 // reduces malloc() traffic. 1384 Vec->clear(); 1385 1386 // Use the first entry to contain a back reference to the vector. 1387 // This is a complete hack. 1388 CXCursor backRefCursor = MakeCXCursorInvalid(CXCursor_InvalidFile, TU); 1389 backRefCursor.data[0] = Vec; 1390 assert(cxcursor::getCursorTU(backRefCursor) == TU); 1391 Vec->push_back(backRefCursor); 1392 1393 // Get the overriden cursors. 1394 cxcursor::getOverriddenCursors(cursor, *Vec); 1395 1396 // Did we get any overriden cursors? If not, return Vec to the pool 1397 // of available cursor vectors. 1398 if (Vec->size() == 1) { 1399 pool.AvailableCursors.push_back(Vec); 1400 return; 1401 } 1402 1403 // Now tell the caller about the overriden cursors. 1404 assert(Vec->size() > 1); 1405 *overridden = &((*Vec)[1]); 1406 *num_overridden = Vec->size() - 1; 1407 } 1408 1409 void clang_disposeOverriddenCursors(CXCursor *overridden) { 1410 if (!overridden) 1411 return; 1412 1413 // Use pointer arithmetic to get back the first faux entry 1414 // which has a back-reference to the TU and the vector. 1415 --overridden; 1416 OverridenCursorsPool::CursorVec *Vec = 1417 static_cast<OverridenCursorsPool::CursorVec *>( 1418 const_cast<void *>(overridden->data[0])); 1419 CXTranslationUnit TU = getCursorTU(*overridden); 1420 1421 assert(Vec && TU); 1422 1423 OverridenCursorsPool &pool = 1424 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1425 1426 pool.AvailableCursors.push_back(Vec); 1427 } 1428 1429 int clang_Cursor_isDynamicCall(CXCursor C) { 1430 const Expr *E = nullptr; 1431 if (clang_isExpression(C.kind)) 1432 E = getCursorExpr(C); 1433 if (!E) 1434 return 0; 1435 1436 if (const ObjCMessageExpr *MsgE = dyn_cast<ObjCMessageExpr>(E)) { 1437 if (MsgE->getReceiverKind() != ObjCMessageExpr::Instance) 1438 return false; 1439 if (auto *RecE = dyn_cast<ObjCMessageExpr>( 1440 MsgE->getInstanceReceiver()->IgnoreParenCasts())) { 1441 if (RecE->getMethodFamily() == OMF_alloc) 1442 return false; 1443 } 1444 return true; 1445 } 1446 1447 const MemberExpr *ME = nullptr; 1448 if (isa<MemberExpr>(E)) 1449 ME = cast<MemberExpr>(E); 1450 else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) 1451 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); 1452 1453 if (ME) { 1454 if (const CXXMethodDecl * 1455 MD = dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) 1456 return MD->isVirtual() && !ME->hasQualifier(); 1457 } 1458 1459 return 0; 1460 } 1461 1462 CXType clang_Cursor_getReceiverType(CXCursor C) { 1463 CXTranslationUnit TU = cxcursor::getCursorTU(C); 1464 const Expr *E = nullptr; 1465 if (clang_isExpression(C.kind)) 1466 E = getCursorExpr(C); 1467 1468 if (const ObjCMessageExpr *MsgE = dyn_cast_or_null<ObjCMessageExpr>(E)) 1469 return cxtype::MakeCXType(MsgE->getReceiverType(), TU); 1470 1471 return cxtype::MakeCXType(QualType(), TU); 1472 } 1473 1474 } // end: extern "C" 1475