1 //===- CXCursor.cpp - Routines for manipulating CXCursors -----------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file defines routines for manipulating CXCursors. It should be the 11 // only file that has internal knowledge of the encoding of the data in 12 // CXCursor. 13 // 14 //===----------------------------------------------------------------------===// 15 16 #include "CXTranslationUnit.h" 17 #include "CXCursor.h" 18 #include "CXString.h" 19 #include "CXType.h" 20 #include "clang-c/Index.h" 21 #include "clang/AST/Attr.h" 22 #include "clang/AST/Decl.h" 23 #include "clang/AST/DeclCXX.h" 24 #include "clang/AST/DeclObjC.h" 25 #include "clang/AST/DeclTemplate.h" 26 #include "clang/AST/Expr.h" 27 #include "clang/AST/ExprCXX.h" 28 #include "clang/AST/ExprObjC.h" 29 #include "clang/Frontend/ASTUnit.h" 30 #include "llvm/Support/ErrorHandling.h" 31 32 using namespace clang; 33 using namespace cxcursor; 34 35 CXCursor cxcursor::MakeCXCursorInvalid(CXCursorKind K, CXTranslationUnit TU) { 36 assert(K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid); 37 CXCursor C = { K, 0, { nullptr, nullptr, TU } }; 38 return C; 39 } 40 41 static CXCursorKind GetCursorKind(const Attr *A) { 42 assert(A && "Invalid arguments!"); 43 switch (A->getKind()) { 44 default: break; 45 case attr::IBAction: return CXCursor_IBActionAttr; 46 case attr::IBOutlet: return CXCursor_IBOutletAttr; 47 case attr::IBOutletCollection: return CXCursor_IBOutletCollectionAttr; 48 case attr::Final: return CXCursor_CXXFinalAttr; 49 case attr::Override: return CXCursor_CXXOverrideAttr; 50 case attr::Annotate: return CXCursor_AnnotateAttr; 51 case attr::AsmLabel: return CXCursor_AsmLabelAttr; 52 case attr::Packed: return CXCursor_PackedAttr; 53 case attr::Pure: return CXCursor_PureAttr; 54 case attr::Const: return CXCursor_ConstAttr; 55 case attr::NoDuplicate: return CXCursor_NoDuplicateAttr; 56 case attr::CUDAConstant: return CXCursor_CUDAConstantAttr; 57 case attr::CUDADevice: return CXCursor_CUDADeviceAttr; 58 case attr::CUDAGlobal: return CXCursor_CUDAGlobalAttr; 59 case attr::CUDAHost: return CXCursor_CUDAHostAttr; 60 case attr::CUDAShared: return CXCursor_CUDASharedAttr; 61 case attr::Visibility: return CXCursor_VisibilityAttr; 62 case attr::DLLExport: return CXCursor_DLLExport; 63 case attr::DLLImport: return CXCursor_DLLImport; 64 } 65 66 return CXCursor_UnexposedAttr; 67 } 68 69 CXCursor cxcursor::MakeCXCursor(const Attr *A, const Decl *Parent, 70 CXTranslationUnit TU) { 71 assert(A && Parent && TU && "Invalid arguments!"); 72 CXCursor C = { GetCursorKind(A), 0, { Parent, A, TU } }; 73 return C; 74 } 75 76 CXCursor cxcursor::MakeCXCursor(const Decl *D, CXTranslationUnit TU, 77 SourceRange RegionOfInterest, 78 bool FirstInDeclGroup) { 79 assert(D && TU && "Invalid arguments!"); 80 81 CXCursorKind K = getCursorKindForDecl(D); 82 83 if (K == CXCursor_ObjCClassMethodDecl || 84 K == CXCursor_ObjCInstanceMethodDecl) { 85 int SelectorIdIndex = -1; 86 // Check if cursor points to a selector id. 87 if (RegionOfInterest.isValid() && 88 RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) { 89 SmallVector<SourceLocation, 16> SelLocs; 90 cast<ObjCMethodDecl>(D)->getSelectorLocs(SelLocs); 91 SmallVectorImpl<SourceLocation>::iterator 92 I=std::find(SelLocs.begin(), SelLocs.end(),RegionOfInterest.getBegin()); 93 if (I != SelLocs.end()) 94 SelectorIdIndex = I - SelLocs.begin(); 95 } 96 CXCursor C = { K, SelectorIdIndex, 97 { D, (void*)(intptr_t) (FirstInDeclGroup ? 1 : 0), TU }}; 98 return C; 99 } 100 101 CXCursor C = { K, 0, { D, (void*)(intptr_t) (FirstInDeclGroup ? 1 : 0), TU }}; 102 return C; 103 } 104 105 CXCursor cxcursor::MakeCXCursor(const Stmt *S, const Decl *Parent, 106 CXTranslationUnit TU, 107 SourceRange RegionOfInterest) { 108 assert(S && TU && "Invalid arguments!"); 109 CXCursorKind K = CXCursor_NotImplemented; 110 111 switch (S->getStmtClass()) { 112 case Stmt::NoStmtClass: 113 break; 114 115 case Stmt::CaseStmtClass: 116 K = CXCursor_CaseStmt; 117 break; 118 119 case Stmt::DefaultStmtClass: 120 K = CXCursor_DefaultStmt; 121 break; 122 123 case Stmt::IfStmtClass: 124 K = CXCursor_IfStmt; 125 break; 126 127 case Stmt::SwitchStmtClass: 128 K = CXCursor_SwitchStmt; 129 break; 130 131 case Stmt::WhileStmtClass: 132 K = CXCursor_WhileStmt; 133 break; 134 135 case Stmt::DoStmtClass: 136 K = CXCursor_DoStmt; 137 break; 138 139 case Stmt::ForStmtClass: 140 K = CXCursor_ForStmt; 141 break; 142 143 case Stmt::GotoStmtClass: 144 K = CXCursor_GotoStmt; 145 break; 146 147 case Stmt::IndirectGotoStmtClass: 148 K = CXCursor_IndirectGotoStmt; 149 break; 150 151 case Stmt::ContinueStmtClass: 152 K = CXCursor_ContinueStmt; 153 break; 154 155 case Stmt::BreakStmtClass: 156 K = CXCursor_BreakStmt; 157 break; 158 159 case Stmt::ReturnStmtClass: 160 K = CXCursor_ReturnStmt; 161 break; 162 163 case Stmt::GCCAsmStmtClass: 164 K = CXCursor_GCCAsmStmt; 165 break; 166 167 case Stmt::MSAsmStmtClass: 168 K = CXCursor_MSAsmStmt; 169 break; 170 171 case Stmt::ObjCAtTryStmtClass: 172 K = CXCursor_ObjCAtTryStmt; 173 break; 174 175 case Stmt::ObjCAtCatchStmtClass: 176 K = CXCursor_ObjCAtCatchStmt; 177 break; 178 179 case Stmt::ObjCAtFinallyStmtClass: 180 K = CXCursor_ObjCAtFinallyStmt; 181 break; 182 183 case Stmt::ObjCAtThrowStmtClass: 184 K = CXCursor_ObjCAtThrowStmt; 185 break; 186 187 case Stmt::ObjCAtSynchronizedStmtClass: 188 K = CXCursor_ObjCAtSynchronizedStmt; 189 break; 190 191 case Stmt::ObjCAutoreleasePoolStmtClass: 192 K = CXCursor_ObjCAutoreleasePoolStmt; 193 break; 194 195 case Stmt::ObjCForCollectionStmtClass: 196 K = CXCursor_ObjCForCollectionStmt; 197 break; 198 199 case Stmt::CXXCatchStmtClass: 200 K = CXCursor_CXXCatchStmt; 201 break; 202 203 case Stmt::CXXTryStmtClass: 204 K = CXCursor_CXXTryStmt; 205 break; 206 207 case Stmt::CXXForRangeStmtClass: 208 K = CXCursor_CXXForRangeStmt; 209 break; 210 211 case Stmt::SEHTryStmtClass: 212 K = CXCursor_SEHTryStmt; 213 break; 214 215 case Stmt::SEHExceptStmtClass: 216 K = CXCursor_SEHExceptStmt; 217 break; 218 219 case Stmt::SEHFinallyStmtClass: 220 K = CXCursor_SEHFinallyStmt; 221 break; 222 223 case Stmt::SEHLeaveStmtClass: 224 K = CXCursor_SEHLeaveStmt; 225 break; 226 227 case Stmt::ArrayTypeTraitExprClass: 228 case Stmt::AsTypeExprClass: 229 case Stmt::AtomicExprClass: 230 case Stmt::BinaryConditionalOperatorClass: 231 case Stmt::TypeTraitExprClass: 232 case Stmt::CoroutineBodyStmtClass: 233 case Stmt::CoawaitExprClass: 234 case Stmt::CoreturnStmtClass: 235 case Stmt::CoyieldExprClass: 236 case Stmt::CXXBindTemporaryExprClass: 237 case Stmt::CXXDefaultArgExprClass: 238 case Stmt::CXXDefaultInitExprClass: 239 case Stmt::CXXFoldExprClass: 240 case Stmt::CXXStdInitializerListExprClass: 241 case Stmt::CXXScalarValueInitExprClass: 242 case Stmt::CXXUuidofExprClass: 243 case Stmt::ChooseExprClass: 244 case Stmt::DesignatedInitExprClass: 245 case Stmt::DesignatedInitUpdateExprClass: 246 case Stmt::ExprWithCleanupsClass: 247 case Stmt::ExpressionTraitExprClass: 248 case Stmt::ExtVectorElementExprClass: 249 case Stmt::ImplicitCastExprClass: 250 case Stmt::ImplicitValueInitExprClass: 251 case Stmt::NoInitExprClass: 252 case Stmt::MaterializeTemporaryExprClass: 253 case Stmt::ObjCIndirectCopyRestoreExprClass: 254 case Stmt::OffsetOfExprClass: 255 case Stmt::ParenListExprClass: 256 case Stmt::PredefinedExprClass: 257 case Stmt::ShuffleVectorExprClass: 258 case Stmt::ConvertVectorExprClass: 259 case Stmt::UnaryExprOrTypeTraitExprClass: 260 case Stmt::VAArgExprClass: 261 case Stmt::ObjCArrayLiteralClass: 262 case Stmt::ObjCDictionaryLiteralClass: 263 case Stmt::ObjCBoxedExprClass: 264 case Stmt::ObjCSubscriptRefExprClass: 265 K = CXCursor_UnexposedExpr; 266 break; 267 268 case Stmt::OpaqueValueExprClass: 269 if (Expr *Src = cast<OpaqueValueExpr>(S)->getSourceExpr()) 270 return MakeCXCursor(Src, Parent, TU, RegionOfInterest); 271 K = CXCursor_UnexposedExpr; 272 break; 273 274 case Stmt::PseudoObjectExprClass: 275 return MakeCXCursor(cast<PseudoObjectExpr>(S)->getSyntacticForm(), 276 Parent, TU, RegionOfInterest); 277 278 case Stmt::CompoundStmtClass: 279 K = CXCursor_CompoundStmt; 280 break; 281 282 case Stmt::NullStmtClass: 283 K = CXCursor_NullStmt; 284 break; 285 286 case Stmt::LabelStmtClass: 287 K = CXCursor_LabelStmt; 288 break; 289 290 case Stmt::AttributedStmtClass: 291 K = CXCursor_UnexposedStmt; 292 break; 293 294 case Stmt::DeclStmtClass: 295 K = CXCursor_DeclStmt; 296 break; 297 298 case Stmt::CapturedStmtClass: 299 K = CXCursor_UnexposedStmt; 300 break; 301 302 case Stmt::IntegerLiteralClass: 303 K = CXCursor_IntegerLiteral; 304 break; 305 306 case Stmt::FloatingLiteralClass: 307 K = CXCursor_FloatingLiteral; 308 break; 309 310 case Stmt::ImaginaryLiteralClass: 311 K = CXCursor_ImaginaryLiteral; 312 break; 313 314 case Stmt::StringLiteralClass: 315 K = CXCursor_StringLiteral; 316 break; 317 318 case Stmt::CharacterLiteralClass: 319 K = CXCursor_CharacterLiteral; 320 break; 321 322 case Stmt::ParenExprClass: 323 K = CXCursor_ParenExpr; 324 break; 325 326 case Stmt::UnaryOperatorClass: 327 K = CXCursor_UnaryOperator; 328 break; 329 330 case Stmt::CXXNoexceptExprClass: 331 K = CXCursor_UnaryExpr; 332 break; 333 334 case Stmt::MSPropertySubscriptExprClass: 335 case Stmt::ArraySubscriptExprClass: 336 K = CXCursor_ArraySubscriptExpr; 337 break; 338 339 case Stmt::OMPArraySectionExprClass: 340 K = CXCursor_OMPArraySectionExpr; 341 break; 342 343 case Stmt::BinaryOperatorClass: 344 K = CXCursor_BinaryOperator; 345 break; 346 347 case Stmt::CompoundAssignOperatorClass: 348 K = CXCursor_CompoundAssignOperator; 349 break; 350 351 case Stmt::ConditionalOperatorClass: 352 K = CXCursor_ConditionalOperator; 353 break; 354 355 case Stmt::CStyleCastExprClass: 356 K = CXCursor_CStyleCastExpr; 357 break; 358 359 case Stmt::CompoundLiteralExprClass: 360 K = CXCursor_CompoundLiteralExpr; 361 break; 362 363 case Stmt::InitListExprClass: 364 K = CXCursor_InitListExpr; 365 break; 366 367 case Stmt::AddrLabelExprClass: 368 K = CXCursor_AddrLabelExpr; 369 break; 370 371 case Stmt::StmtExprClass: 372 K = CXCursor_StmtExpr; 373 break; 374 375 case Stmt::GenericSelectionExprClass: 376 K = CXCursor_GenericSelectionExpr; 377 break; 378 379 case Stmt::GNUNullExprClass: 380 K = CXCursor_GNUNullExpr; 381 break; 382 383 case Stmt::CXXStaticCastExprClass: 384 K = CXCursor_CXXStaticCastExpr; 385 break; 386 387 case Stmt::CXXDynamicCastExprClass: 388 K = CXCursor_CXXDynamicCastExpr; 389 break; 390 391 case Stmt::CXXReinterpretCastExprClass: 392 K = CXCursor_CXXReinterpretCastExpr; 393 break; 394 395 case Stmt::CXXConstCastExprClass: 396 K = CXCursor_CXXConstCastExpr; 397 break; 398 399 case Stmt::CXXFunctionalCastExprClass: 400 K = CXCursor_CXXFunctionalCastExpr; 401 break; 402 403 case Stmt::CXXTypeidExprClass: 404 K = CXCursor_CXXTypeidExpr; 405 break; 406 407 case Stmt::CXXBoolLiteralExprClass: 408 K = CXCursor_CXXBoolLiteralExpr; 409 break; 410 411 case Stmt::CXXNullPtrLiteralExprClass: 412 K = CXCursor_CXXNullPtrLiteralExpr; 413 break; 414 415 case Stmt::CXXThisExprClass: 416 K = CXCursor_CXXThisExpr; 417 break; 418 419 case Stmt::CXXThrowExprClass: 420 K = CXCursor_CXXThrowExpr; 421 break; 422 423 case Stmt::CXXNewExprClass: 424 K = CXCursor_CXXNewExpr; 425 break; 426 427 case Stmt::CXXDeleteExprClass: 428 K = CXCursor_CXXDeleteExpr; 429 break; 430 431 case Stmt::ObjCStringLiteralClass: 432 K = CXCursor_ObjCStringLiteral; 433 break; 434 435 case Stmt::ObjCEncodeExprClass: 436 K = CXCursor_ObjCEncodeExpr; 437 break; 438 439 case Stmt::ObjCSelectorExprClass: 440 K = CXCursor_ObjCSelectorExpr; 441 break; 442 443 case Stmt::ObjCProtocolExprClass: 444 K = CXCursor_ObjCProtocolExpr; 445 break; 446 447 case Stmt::ObjCBoolLiteralExprClass: 448 K = CXCursor_ObjCBoolLiteralExpr; 449 break; 450 451 case Stmt::ObjCBridgedCastExprClass: 452 K = CXCursor_ObjCBridgedCastExpr; 453 break; 454 455 case Stmt::BlockExprClass: 456 K = CXCursor_BlockExpr; 457 break; 458 459 case Stmt::PackExpansionExprClass: 460 K = CXCursor_PackExpansionExpr; 461 break; 462 463 case Stmt::SizeOfPackExprClass: 464 K = CXCursor_SizeOfPackExpr; 465 break; 466 467 case Stmt::DeclRefExprClass: 468 if (const ImplicitParamDecl *IPD = 469 dyn_cast_or_null<ImplicitParamDecl>(cast<DeclRefExpr>(S)->getDecl())) { 470 if (const ObjCMethodDecl *MD = 471 dyn_cast<ObjCMethodDecl>(IPD->getDeclContext())) { 472 if (MD->getSelfDecl() == IPD) { 473 K = CXCursor_ObjCSelfExpr; 474 break; 475 } 476 } 477 } 478 479 K = CXCursor_DeclRefExpr; 480 break; 481 482 case Stmt::DependentScopeDeclRefExprClass: 483 case Stmt::SubstNonTypeTemplateParmExprClass: 484 case Stmt::SubstNonTypeTemplateParmPackExprClass: 485 case Stmt::FunctionParmPackExprClass: 486 case Stmt::UnresolvedLookupExprClass: 487 case Stmt::TypoExprClass: // A typo could actually be a DeclRef or a MemberRef 488 K = CXCursor_DeclRefExpr; 489 break; 490 491 case Stmt::CXXDependentScopeMemberExprClass: 492 case Stmt::CXXPseudoDestructorExprClass: 493 case Stmt::MemberExprClass: 494 case Stmt::MSPropertyRefExprClass: 495 case Stmt::ObjCIsaExprClass: 496 case Stmt::ObjCIvarRefExprClass: 497 case Stmt::ObjCPropertyRefExprClass: 498 case Stmt::UnresolvedMemberExprClass: 499 K = CXCursor_MemberRefExpr; 500 break; 501 502 case Stmt::CallExprClass: 503 case Stmt::CXXOperatorCallExprClass: 504 case Stmt::CXXMemberCallExprClass: 505 case Stmt::CUDAKernelCallExprClass: 506 case Stmt::CXXConstructExprClass: 507 case Stmt::CXXTemporaryObjectExprClass: 508 case Stmt::CXXUnresolvedConstructExprClass: 509 case Stmt::UserDefinedLiteralClass: 510 K = CXCursor_CallExpr; 511 break; 512 513 case Stmt::LambdaExprClass: 514 K = CXCursor_LambdaExpr; 515 break; 516 517 case Stmt::ObjCMessageExprClass: { 518 K = CXCursor_ObjCMessageExpr; 519 int SelectorIdIndex = -1; 520 // Check if cursor points to a selector id. 521 if (RegionOfInterest.isValid() && 522 RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) { 523 SmallVector<SourceLocation, 16> SelLocs; 524 cast<ObjCMessageExpr>(S)->getSelectorLocs(SelLocs); 525 SmallVectorImpl<SourceLocation>::iterator 526 I=std::find(SelLocs.begin(), SelLocs.end(),RegionOfInterest.getBegin()); 527 if (I != SelLocs.end()) 528 SelectorIdIndex = I - SelLocs.begin(); 529 } 530 CXCursor C = { K, 0, { Parent, S, TU } }; 531 return getSelectorIdentifierCursor(SelectorIdIndex, C); 532 } 533 534 case Stmt::MSDependentExistsStmtClass: 535 K = CXCursor_UnexposedStmt; 536 break; 537 case Stmt::OMPParallelDirectiveClass: 538 K = CXCursor_OMPParallelDirective; 539 break; 540 case Stmt::OMPSimdDirectiveClass: 541 K = CXCursor_OMPSimdDirective; 542 break; 543 case Stmt::OMPForDirectiveClass: 544 K = CXCursor_OMPForDirective; 545 break; 546 case Stmt::OMPForSimdDirectiveClass: 547 K = CXCursor_OMPForSimdDirective; 548 break; 549 case Stmt::OMPSectionsDirectiveClass: 550 K = CXCursor_OMPSectionsDirective; 551 break; 552 case Stmt::OMPSectionDirectiveClass: 553 K = CXCursor_OMPSectionDirective; 554 break; 555 case Stmt::OMPSingleDirectiveClass: 556 K = CXCursor_OMPSingleDirective; 557 break; 558 case Stmt::OMPMasterDirectiveClass: 559 K = CXCursor_OMPMasterDirective; 560 break; 561 case Stmt::OMPCriticalDirectiveClass: 562 K = CXCursor_OMPCriticalDirective; 563 break; 564 case Stmt::OMPParallelForDirectiveClass: 565 K = CXCursor_OMPParallelForDirective; 566 break; 567 case Stmt::OMPParallelForSimdDirectiveClass: 568 K = CXCursor_OMPParallelForSimdDirective; 569 break; 570 case Stmt::OMPParallelSectionsDirectiveClass: 571 K = CXCursor_OMPParallelSectionsDirective; 572 break; 573 case Stmt::OMPTaskDirectiveClass: 574 K = CXCursor_OMPTaskDirective; 575 break; 576 case Stmt::OMPTaskyieldDirectiveClass: 577 K = CXCursor_OMPTaskyieldDirective; 578 break; 579 case Stmt::OMPBarrierDirectiveClass: 580 K = CXCursor_OMPBarrierDirective; 581 break; 582 case Stmt::OMPTaskwaitDirectiveClass: 583 K = CXCursor_OMPTaskwaitDirective; 584 break; 585 case Stmt::OMPTaskgroupDirectiveClass: 586 K = CXCursor_OMPTaskgroupDirective; 587 break; 588 case Stmt::OMPFlushDirectiveClass: 589 K = CXCursor_OMPFlushDirective; 590 break; 591 case Stmt::OMPOrderedDirectiveClass: 592 K = CXCursor_OMPOrderedDirective; 593 break; 594 case Stmt::OMPAtomicDirectiveClass: 595 K = CXCursor_OMPAtomicDirective; 596 break; 597 case Stmt::OMPTargetDirectiveClass: 598 K = CXCursor_OMPTargetDirective; 599 break; 600 case Stmt::OMPTargetDataDirectiveClass: 601 K = CXCursor_OMPTargetDataDirective; 602 break; 603 case Stmt::OMPTeamsDirectiveClass: 604 K = CXCursor_OMPTeamsDirective; 605 break; 606 case Stmt::OMPCancellationPointDirectiveClass: 607 K = CXCursor_OMPCancellationPointDirective; 608 break; 609 case Stmt::OMPCancelDirectiveClass: 610 K = CXCursor_OMPCancelDirective; 611 break; 612 case Stmt::OMPTaskLoopDirectiveClass: 613 K = CXCursor_OMPTaskLoopDirective; 614 break; 615 case Stmt::OMPTaskLoopSimdDirectiveClass: 616 K = CXCursor_OMPTaskLoopSimdDirective; 617 break; 618 } 619 620 CXCursor C = { K, 0, { Parent, S, TU } }; 621 return C; 622 } 623 624 CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super, 625 SourceLocation Loc, 626 CXTranslationUnit TU) { 627 assert(Super && TU && "Invalid arguments!"); 628 void *RawLoc = Loc.getPtrEncoding(); 629 CXCursor C = { CXCursor_ObjCSuperClassRef, 0, { Super, RawLoc, TU } }; 630 return C; 631 } 632 633 std::pair<const ObjCInterfaceDecl *, SourceLocation> 634 cxcursor::getCursorObjCSuperClassRef(CXCursor C) { 635 assert(C.kind == CXCursor_ObjCSuperClassRef); 636 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 637 SourceLocation::getFromPtrEncoding(C.data[1])); 638 } 639 640 CXCursor cxcursor::MakeCursorObjCProtocolRef(const ObjCProtocolDecl *Proto, 641 SourceLocation Loc, 642 CXTranslationUnit TU) { 643 assert(Proto && TU && "Invalid arguments!"); 644 void *RawLoc = Loc.getPtrEncoding(); 645 CXCursor C = { CXCursor_ObjCProtocolRef, 0, { Proto, RawLoc, TU } }; 646 return C; 647 } 648 649 std::pair<const ObjCProtocolDecl *, SourceLocation> 650 cxcursor::getCursorObjCProtocolRef(CXCursor C) { 651 assert(C.kind == CXCursor_ObjCProtocolRef); 652 return std::make_pair(static_cast<const ObjCProtocolDecl *>(C.data[0]), 653 SourceLocation::getFromPtrEncoding(C.data[1])); 654 } 655 656 CXCursor cxcursor::MakeCursorObjCClassRef(const ObjCInterfaceDecl *Class, 657 SourceLocation Loc, 658 CXTranslationUnit TU) { 659 // 'Class' can be null for invalid code. 660 if (!Class) 661 return MakeCXCursorInvalid(CXCursor_InvalidCode); 662 assert(TU && "Invalid arguments!"); 663 void *RawLoc = Loc.getPtrEncoding(); 664 CXCursor C = { CXCursor_ObjCClassRef, 0, { Class, RawLoc, TU } }; 665 return C; 666 } 667 668 std::pair<const ObjCInterfaceDecl *, SourceLocation> 669 cxcursor::getCursorObjCClassRef(CXCursor C) { 670 assert(C.kind == CXCursor_ObjCClassRef); 671 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 672 SourceLocation::getFromPtrEncoding(C.data[1])); 673 } 674 675 CXCursor cxcursor::MakeCursorTypeRef(const TypeDecl *Type, SourceLocation Loc, 676 CXTranslationUnit TU) { 677 assert(Type && TU && "Invalid arguments!"); 678 void *RawLoc = Loc.getPtrEncoding(); 679 CXCursor C = { CXCursor_TypeRef, 0, { Type, RawLoc, TU } }; 680 return C; 681 } 682 683 std::pair<const TypeDecl *, SourceLocation> 684 cxcursor::getCursorTypeRef(CXCursor C) { 685 assert(C.kind == CXCursor_TypeRef); 686 return std::make_pair(static_cast<const TypeDecl *>(C.data[0]), 687 SourceLocation::getFromPtrEncoding(C.data[1])); 688 } 689 690 CXCursor cxcursor::MakeCursorTemplateRef(const TemplateDecl *Template, 691 SourceLocation Loc, 692 CXTranslationUnit TU) { 693 assert(Template && TU && "Invalid arguments!"); 694 void *RawLoc = Loc.getPtrEncoding(); 695 CXCursor C = { CXCursor_TemplateRef, 0, { Template, RawLoc, TU } }; 696 return C; 697 } 698 699 std::pair<const TemplateDecl *, SourceLocation> 700 cxcursor::getCursorTemplateRef(CXCursor C) { 701 assert(C.kind == CXCursor_TemplateRef); 702 return std::make_pair(static_cast<const TemplateDecl *>(C.data[0]), 703 SourceLocation::getFromPtrEncoding(C.data[1])); 704 } 705 706 CXCursor cxcursor::MakeCursorNamespaceRef(const NamedDecl *NS, 707 SourceLocation Loc, 708 CXTranslationUnit TU) { 709 710 assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU && 711 "Invalid arguments!"); 712 void *RawLoc = Loc.getPtrEncoding(); 713 CXCursor C = { CXCursor_NamespaceRef, 0, { NS, RawLoc, TU } }; 714 return C; 715 } 716 717 std::pair<const NamedDecl *, SourceLocation> 718 cxcursor::getCursorNamespaceRef(CXCursor C) { 719 assert(C.kind == CXCursor_NamespaceRef); 720 return std::make_pair(static_cast<const NamedDecl *>(C.data[0]), 721 SourceLocation::getFromPtrEncoding(C.data[1])); 722 } 723 724 CXCursor cxcursor::MakeCursorVariableRef(const VarDecl *Var, SourceLocation Loc, 725 CXTranslationUnit TU) { 726 727 assert(Var && TU && "Invalid arguments!"); 728 void *RawLoc = Loc.getPtrEncoding(); 729 CXCursor C = { CXCursor_VariableRef, 0, { Var, RawLoc, TU } }; 730 return C; 731 } 732 733 std::pair<const VarDecl *, SourceLocation> 734 cxcursor::getCursorVariableRef(CXCursor C) { 735 assert(C.kind == CXCursor_VariableRef); 736 return std::make_pair(static_cast<const VarDecl *>(C.data[0]), 737 SourceLocation::getFromPtrEncoding(C.data[1])); 738 } 739 740 CXCursor cxcursor::MakeCursorMemberRef(const FieldDecl *Field, SourceLocation Loc, 741 CXTranslationUnit TU) { 742 743 assert(Field && TU && "Invalid arguments!"); 744 void *RawLoc = Loc.getPtrEncoding(); 745 CXCursor C = { CXCursor_MemberRef, 0, { Field, RawLoc, TU } }; 746 return C; 747 } 748 749 std::pair<const FieldDecl *, SourceLocation> 750 cxcursor::getCursorMemberRef(CXCursor C) { 751 assert(C.kind == CXCursor_MemberRef); 752 return std::make_pair(static_cast<const FieldDecl *>(C.data[0]), 753 SourceLocation::getFromPtrEncoding(C.data[1])); 754 } 755 756 CXCursor cxcursor::MakeCursorCXXBaseSpecifier(const CXXBaseSpecifier *B, 757 CXTranslationUnit TU){ 758 CXCursor C = { CXCursor_CXXBaseSpecifier, 0, { B, nullptr, TU } }; 759 return C; 760 } 761 762 const CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) { 763 assert(C.kind == CXCursor_CXXBaseSpecifier); 764 return static_cast<const CXXBaseSpecifier*>(C.data[0]); 765 } 766 767 CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range, 768 CXTranslationUnit TU) { 769 CXCursor C = { CXCursor_PreprocessingDirective, 0, 770 { Range.getBegin().getPtrEncoding(), 771 Range.getEnd().getPtrEncoding(), 772 TU } 773 }; 774 return C; 775 } 776 777 SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) { 778 assert(C.kind == CXCursor_PreprocessingDirective); 779 SourceRange Range(SourceLocation::getFromPtrEncoding(C.data[0]), 780 SourceLocation::getFromPtrEncoding(C.data[1])); 781 ASTUnit *TU = getCursorASTUnit(C); 782 return TU->mapRangeFromPreamble(Range); 783 } 784 785 CXCursor cxcursor::MakeMacroDefinitionCursor(const MacroDefinitionRecord *MI, 786 CXTranslationUnit TU) { 787 CXCursor C = {CXCursor_MacroDefinition, 0, {MI, nullptr, TU}}; 788 return C; 789 } 790 791 const MacroDefinitionRecord *cxcursor::getCursorMacroDefinition(CXCursor C) { 792 assert(C.kind == CXCursor_MacroDefinition); 793 return static_cast<const MacroDefinitionRecord *>(C.data[0]); 794 } 795 796 CXCursor cxcursor::MakeMacroExpansionCursor(MacroExpansion *MI, 797 CXTranslationUnit TU) { 798 CXCursor C = { CXCursor_MacroExpansion, 0, { MI, nullptr, TU } }; 799 return C; 800 } 801 802 CXCursor cxcursor::MakeMacroExpansionCursor(MacroDefinitionRecord *MI, 803 SourceLocation Loc, 804 CXTranslationUnit TU) { 805 assert(Loc.isValid()); 806 CXCursor C = {CXCursor_MacroExpansion, 0, {MI, Loc.getPtrEncoding(), TU}}; 807 return C; 808 } 809 810 const IdentifierInfo *cxcursor::MacroExpansionCursor::getName() const { 811 if (isPseudo()) 812 return getAsMacroDefinition()->getName(); 813 return getAsMacroExpansion()->getName(); 814 } 815 const MacroDefinitionRecord * 816 cxcursor::MacroExpansionCursor::getDefinition() const { 817 if (isPseudo()) 818 return getAsMacroDefinition(); 819 return getAsMacroExpansion()->getDefinition(); 820 } 821 SourceRange cxcursor::MacroExpansionCursor::getSourceRange() const { 822 if (isPseudo()) 823 return getPseudoLoc(); 824 return getAsMacroExpansion()->getSourceRange(); 825 } 826 827 CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID, 828 CXTranslationUnit TU) { 829 CXCursor C = { CXCursor_InclusionDirective, 0, { ID, nullptr, TU } }; 830 return C; 831 } 832 833 const InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) { 834 assert(C.kind == CXCursor_InclusionDirective); 835 return static_cast<const InclusionDirective *>(C.data[0]); 836 } 837 838 CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc, 839 CXTranslationUnit TU) { 840 841 assert(Label && TU && "Invalid arguments!"); 842 void *RawLoc = Loc.getPtrEncoding(); 843 CXCursor C = { CXCursor_LabelRef, 0, { Label, RawLoc, TU } }; 844 return C; 845 } 846 847 std::pair<const LabelStmt *, SourceLocation> 848 cxcursor::getCursorLabelRef(CXCursor C) { 849 assert(C.kind == CXCursor_LabelRef); 850 return std::make_pair(static_cast<const LabelStmt *>(C.data[0]), 851 SourceLocation::getFromPtrEncoding(C.data[1])); 852 } 853 854 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const OverloadExpr *E, 855 CXTranslationUnit TU) { 856 assert(E && TU && "Invalid arguments!"); 857 OverloadedDeclRefStorage Storage(E); 858 void *RawLoc = E->getNameLoc().getPtrEncoding(); 859 CXCursor C = { 860 CXCursor_OverloadedDeclRef, 0, 861 { Storage.getOpaqueValue(), RawLoc, TU } 862 }; 863 return C; 864 } 865 866 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const Decl *D, 867 SourceLocation Loc, 868 CXTranslationUnit TU) { 869 assert(D && TU && "Invalid arguments!"); 870 void *RawLoc = Loc.getPtrEncoding(); 871 OverloadedDeclRefStorage Storage(D); 872 CXCursor C = { 873 CXCursor_OverloadedDeclRef, 0, 874 { Storage.getOpaqueValue(), RawLoc, TU } 875 }; 876 return C; 877 } 878 879 CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name, 880 SourceLocation Loc, 881 CXTranslationUnit TU) { 882 assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!"); 883 void *RawLoc = Loc.getPtrEncoding(); 884 OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate()); 885 CXCursor C = { 886 CXCursor_OverloadedDeclRef, 0, 887 { Storage.getOpaqueValue(), RawLoc, TU } 888 }; 889 return C; 890 } 891 892 std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation> 893 cxcursor::getCursorOverloadedDeclRef(CXCursor C) { 894 assert(C.kind == CXCursor_OverloadedDeclRef); 895 return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue( 896 const_cast<void *>(C.data[0])), 897 SourceLocation::getFromPtrEncoding(C.data[1])); 898 } 899 900 const Decl *cxcursor::getCursorDecl(CXCursor Cursor) { 901 return static_cast<const Decl *>(Cursor.data[0]); 902 } 903 904 const Expr *cxcursor::getCursorExpr(CXCursor Cursor) { 905 return dyn_cast_or_null<Expr>(getCursorStmt(Cursor)); 906 } 907 908 const Stmt *cxcursor::getCursorStmt(CXCursor Cursor) { 909 if (Cursor.kind == CXCursor_ObjCSuperClassRef || 910 Cursor.kind == CXCursor_ObjCProtocolRef || 911 Cursor.kind == CXCursor_ObjCClassRef) 912 return nullptr; 913 914 return static_cast<const Stmt *>(Cursor.data[1]); 915 } 916 917 const Attr *cxcursor::getCursorAttr(CXCursor Cursor) { 918 return static_cast<const Attr *>(Cursor.data[1]); 919 } 920 921 const Decl *cxcursor::getCursorParentDecl(CXCursor Cursor) { 922 return static_cast<const Decl *>(Cursor.data[0]); 923 } 924 925 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { 926 return getCursorASTUnit(Cursor)->getASTContext(); 927 } 928 929 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { 930 CXTranslationUnit TU = getCursorTU(Cursor); 931 if (!TU) 932 return nullptr; 933 return cxtu::getASTUnit(TU); 934 } 935 936 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { 937 return static_cast<CXTranslationUnit>(const_cast<void*>(Cursor.data[2])); 938 } 939 940 void cxcursor::getOverriddenCursors(CXCursor cursor, 941 SmallVectorImpl<CXCursor> &overridden) { 942 assert(clang_isDeclaration(cursor.kind)); 943 const NamedDecl *D = dyn_cast_or_null<NamedDecl>(getCursorDecl(cursor)); 944 if (!D) 945 return; 946 947 CXTranslationUnit TU = getCursorTU(cursor); 948 SmallVector<const NamedDecl *, 8> OverDecls; 949 D->getASTContext().getOverriddenMethods(D, OverDecls); 950 951 for (SmallVectorImpl<const NamedDecl *>::iterator 952 I = OverDecls.begin(), E = OverDecls.end(); I != E; ++I) { 953 overridden.push_back(MakeCXCursor(*I, TU)); 954 } 955 } 956 957 std::pair<int, SourceLocation> 958 cxcursor::getSelectorIdentifierIndexAndLoc(CXCursor cursor) { 959 if (cursor.kind == CXCursor_ObjCMessageExpr) { 960 if (cursor.xdata != -1) 961 return std::make_pair(cursor.xdata, 962 cast<ObjCMessageExpr>(getCursorExpr(cursor)) 963 ->getSelectorLoc(cursor.xdata)); 964 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 965 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 966 if (cursor.xdata != -1) 967 return std::make_pair(cursor.xdata, 968 cast<ObjCMethodDecl>(getCursorDecl(cursor)) 969 ->getSelectorLoc(cursor.xdata)); 970 } 971 972 return std::make_pair(-1, SourceLocation()); 973 } 974 975 CXCursor cxcursor::getSelectorIdentifierCursor(int SelIdx, CXCursor cursor) { 976 CXCursor newCursor = cursor; 977 978 if (cursor.kind == CXCursor_ObjCMessageExpr) { 979 if (SelIdx == -1 || 980 unsigned(SelIdx) >= cast<ObjCMessageExpr>(getCursorExpr(cursor)) 981 ->getNumSelectorLocs()) 982 newCursor.xdata = -1; 983 else 984 newCursor.xdata = SelIdx; 985 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 986 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 987 if (SelIdx == -1 || 988 unsigned(SelIdx) >= cast<ObjCMethodDecl>(getCursorDecl(cursor)) 989 ->getNumSelectorLocs()) 990 newCursor.xdata = -1; 991 else 992 newCursor.xdata = SelIdx; 993 } 994 995 return newCursor; 996 } 997 998 CXCursor cxcursor::getTypeRefCursor(CXCursor cursor) { 999 if (cursor.kind != CXCursor_CallExpr) 1000 return cursor; 1001 1002 if (cursor.xdata == 0) 1003 return cursor; 1004 1005 const Expr *E = getCursorExpr(cursor); 1006 TypeSourceInfo *Type = nullptr; 1007 if (const CXXUnresolvedConstructExpr * 1008 UnCtor = dyn_cast<CXXUnresolvedConstructExpr>(E)) { 1009 Type = UnCtor->getTypeSourceInfo(); 1010 } else if (const CXXTemporaryObjectExpr *Tmp = 1011 dyn_cast<CXXTemporaryObjectExpr>(E)){ 1012 Type = Tmp->getTypeSourceInfo(); 1013 } 1014 1015 if (!Type) 1016 return cursor; 1017 1018 CXTranslationUnit TU = getCursorTU(cursor); 1019 QualType Ty = Type->getType(); 1020 TypeLoc TL = Type->getTypeLoc(); 1021 SourceLocation Loc = TL.getBeginLoc(); 1022 1023 if (const ElaboratedType *ElabT = Ty->getAs<ElaboratedType>()) { 1024 Ty = ElabT->getNamedType(); 1025 ElaboratedTypeLoc ElabTL = TL.castAs<ElaboratedTypeLoc>(); 1026 Loc = ElabTL.getNamedTypeLoc().getBeginLoc(); 1027 } 1028 1029 if (const TypedefType *Typedef = Ty->getAs<TypedefType>()) 1030 return MakeCursorTypeRef(Typedef->getDecl(), Loc, TU); 1031 if (const TagType *Tag = Ty->getAs<TagType>()) 1032 return MakeCursorTypeRef(Tag->getDecl(), Loc, TU); 1033 if (const TemplateTypeParmType *TemplP = Ty->getAs<TemplateTypeParmType>()) 1034 return MakeCursorTypeRef(TemplP->getDecl(), Loc, TU); 1035 1036 return cursor; 1037 } 1038 1039 bool cxcursor::operator==(CXCursor X, CXCursor Y) { 1040 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && 1041 X.data[2] == Y.data[2]; 1042 } 1043 1044 // FIXME: Remove once we can model DeclGroups and their appropriate ranges 1045 // properly in the ASTs. 1046 bool cxcursor::isFirstInDeclGroup(CXCursor C) { 1047 assert(clang_isDeclaration(C.kind)); 1048 return ((uintptr_t) (C.data[1])) != 0; 1049 } 1050 1051 //===----------------------------------------------------------------------===// 1052 // libclang CXCursor APIs 1053 //===----------------------------------------------------------------------===// 1054 1055 extern "C" { 1056 1057 int clang_Cursor_isNull(CXCursor cursor) { 1058 return clang_equalCursors(cursor, clang_getNullCursor()); 1059 } 1060 1061 CXTranslationUnit clang_Cursor_getTranslationUnit(CXCursor cursor) { 1062 return getCursorTU(cursor); 1063 } 1064 1065 int clang_Cursor_getNumArguments(CXCursor C) { 1066 if (clang_isDeclaration(C.kind)) { 1067 const Decl *D = cxcursor::getCursorDecl(C); 1068 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) 1069 return MD->param_size(); 1070 if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) 1071 return FD->param_size(); 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 return CE->getNumArgs(); 1078 } 1079 } 1080 1081 return -1; 1082 } 1083 1084 CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i) { 1085 if (clang_isDeclaration(C.kind)) { 1086 const Decl *D = cxcursor::getCursorDecl(C); 1087 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) { 1088 if (i < MD->param_size()) 1089 return cxcursor::MakeCXCursor(MD->parameters()[i], 1090 cxcursor::getCursorTU(C)); 1091 } else if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) { 1092 if (i < FD->param_size()) 1093 return cxcursor::MakeCXCursor(FD->parameters()[i], 1094 cxcursor::getCursorTU(C)); 1095 } 1096 } 1097 1098 if (clang_isExpression(C.kind)) { 1099 const Expr *E = cxcursor::getCursorExpr(C); 1100 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1101 if (i < CE->getNumArgs()) { 1102 return cxcursor::MakeCXCursor(CE->getArg(i), 1103 getCursorDecl(C), 1104 cxcursor::getCursorTU(C)); 1105 } 1106 } 1107 } 1108 1109 return clang_getNullCursor(); 1110 } 1111 1112 int clang_Cursor_getNumTemplateArguments(CXCursor C) { 1113 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1114 return -1; 1115 } 1116 1117 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1118 getCursorDecl(C)); 1119 if (!FD) { 1120 return -1; 1121 } 1122 1123 const FunctionTemplateSpecializationInfo* SpecInfo = 1124 FD->getTemplateSpecializationInfo(); 1125 if (!SpecInfo) { 1126 return -1; 1127 } 1128 1129 return SpecInfo->TemplateArguments->size(); 1130 } 1131 1132 enum CXGetTemplateArgumentStatus { 1133 /** \brief The operation completed successfully */ 1134 CXGetTemplateArgumentStatus_Success = 0, 1135 1136 /** \brief The specified cursor did not represent a FunctionDecl. */ 1137 CXGetTemplateArgumentStatus_CursorNotFunctionDecl = -1, 1138 1139 /** \brief The specified cursor was not castable to a FunctionDecl. */ 1140 CXGetTemplateArgumentStatus_BadFunctionDeclCast = -2, 1141 1142 /** \brief A NULL FunctionTemplateSpecializationInfo was retrieved. */ 1143 CXGetTemplateArgumentStatus_NullTemplSpecInfo = -3, 1144 1145 /** \brief An invalid (OOB) argument index was specified */ 1146 CXGetTemplateArgumentStatus_InvalidIndex = -4 1147 }; 1148 1149 static int clang_Cursor_getTemplateArgument( 1150 CXCursor C, unsigned I, TemplateArgument *TA) { 1151 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1152 return CXGetTemplateArgumentStatus_CursorNotFunctionDecl; 1153 } 1154 1155 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1156 getCursorDecl(C)); 1157 if (!FD) { 1158 return CXGetTemplateArgumentStatus_BadFunctionDeclCast; 1159 } 1160 1161 const FunctionTemplateSpecializationInfo* SpecInfo = 1162 FD->getTemplateSpecializationInfo(); 1163 if (!SpecInfo) { 1164 return CXGetTemplateArgumentStatus_NullTemplSpecInfo; 1165 } 1166 1167 if (I >= SpecInfo->TemplateArguments->size()) { 1168 return CXGetTemplateArgumentStatus_InvalidIndex; 1169 } 1170 1171 *TA = SpecInfo->TemplateArguments->get(I); 1172 return 0; 1173 } 1174 1175 enum CXTemplateArgumentKind clang_Cursor_getTemplateArgumentKind(CXCursor C, 1176 unsigned I) { 1177 TemplateArgument TA; 1178 if (clang_Cursor_getTemplateArgument(C, I, &TA)) { 1179 return CXTemplateArgumentKind_Invalid; 1180 } 1181 1182 switch (TA.getKind()) { 1183 case TemplateArgument::Null: return CXTemplateArgumentKind_Null; 1184 case TemplateArgument::Type: return CXTemplateArgumentKind_Type; 1185 case TemplateArgument::Declaration: 1186 return CXTemplateArgumentKind_Declaration; 1187 case TemplateArgument::NullPtr: return CXTemplateArgumentKind_NullPtr; 1188 case TemplateArgument::Integral: return CXTemplateArgumentKind_Integral; 1189 case TemplateArgument::Template: return CXTemplateArgumentKind_Template; 1190 case TemplateArgument::TemplateExpansion: 1191 return CXTemplateArgumentKind_TemplateExpansion; 1192 case TemplateArgument::Expression: return CXTemplateArgumentKind_Expression; 1193 case TemplateArgument::Pack: return CXTemplateArgumentKind_Pack; 1194 } 1195 1196 return CXTemplateArgumentKind_Invalid; 1197 } 1198 1199 CXType clang_Cursor_getTemplateArgumentType(CXCursor C, unsigned I) { 1200 TemplateArgument TA; 1201 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1202 CXGetTemplateArgumentStatus_Success) { 1203 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1204 } 1205 1206 if (TA.getKind() != TemplateArgument::Type) { 1207 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1208 } 1209 1210 return cxtype::MakeCXType(TA.getAsType(), getCursorTU(C)); 1211 } 1212 1213 long long clang_Cursor_getTemplateArgumentValue(CXCursor C, unsigned I) { 1214 TemplateArgument TA; 1215 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1216 CXGetTemplateArgumentStatus_Success) { 1217 assert(0 && "Unable to retrieve TemplateArgument"); 1218 return 0; 1219 } 1220 1221 if (TA.getKind() != TemplateArgument::Integral) { 1222 assert(0 && "Passed template argument is not Integral"); 1223 return 0; 1224 } 1225 1226 return TA.getAsIntegral().getSExtValue(); 1227 } 1228 1229 unsigned long long clang_Cursor_getTemplateArgumentUnsignedValue(CXCursor C, 1230 unsigned I) { 1231 TemplateArgument TA; 1232 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1233 CXGetTemplateArgumentStatus_Success) { 1234 assert(0 && "Unable to retrieve TemplateArgument"); 1235 return 0; 1236 } 1237 1238 if (TA.getKind() != TemplateArgument::Integral) { 1239 assert(0 && "Passed template argument is not Integral"); 1240 return 0; 1241 } 1242 1243 return TA.getAsIntegral().getZExtValue(); 1244 } 1245 1246 } // end: extern "C" 1247 1248 //===----------------------------------------------------------------------===// 1249 // CXCursorSet. 1250 //===----------------------------------------------------------------------===// 1251 1252 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; 1253 1254 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { 1255 return (CXCursorSet) setImpl; 1256 } 1257 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { 1258 return (CXCursorSet_Impl*) set; 1259 } 1260 namespace llvm { 1261 template<> struct DenseMapInfo<CXCursor> { 1262 public: 1263 static inline CXCursor getEmptyKey() { 1264 return MakeCXCursorInvalid(CXCursor_InvalidFile); 1265 } 1266 static inline CXCursor getTombstoneKey() { 1267 return MakeCXCursorInvalid(CXCursor_NoDeclFound); 1268 } 1269 static inline unsigned getHashValue(const CXCursor &cursor) { 1270 return llvm::DenseMapInfo<std::pair<const void *, const void *> > 1271 ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); 1272 } 1273 static inline bool isEqual(const CXCursor &x, const CXCursor &y) { 1274 return x.kind == y.kind && 1275 x.data[0] == y.data[0] && 1276 x.data[1] == y.data[1]; 1277 } 1278 }; 1279 } 1280 1281 extern "C" { 1282 CXCursorSet clang_createCXCursorSet() { 1283 return packCXCursorSet(new CXCursorSet_Impl()); 1284 } 1285 1286 void clang_disposeCXCursorSet(CXCursorSet set) { 1287 delete unpackCXCursorSet(set); 1288 } 1289 1290 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { 1291 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1292 if (!setImpl) 1293 return 0; 1294 return setImpl->find(cursor) != setImpl->end(); 1295 } 1296 1297 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { 1298 // Do not insert invalid cursors into the set. 1299 if (cursor.kind >= CXCursor_FirstInvalid && 1300 cursor.kind <= CXCursor_LastInvalid) 1301 return 1; 1302 1303 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1304 if (!setImpl) 1305 return 1; 1306 unsigned &entry = (*setImpl)[cursor]; 1307 unsigned flag = entry == 0 ? 1 : 0; 1308 entry = 1; 1309 return flag; 1310 } 1311 1312 CXCompletionString clang_getCursorCompletionString(CXCursor cursor) { 1313 enum CXCursorKind kind = clang_getCursorKind(cursor); 1314 if (clang_isDeclaration(kind)) { 1315 const Decl *decl = getCursorDecl(cursor); 1316 if (const NamedDecl *namedDecl = dyn_cast_or_null<NamedDecl>(decl)) { 1317 ASTUnit *unit = getCursorASTUnit(cursor); 1318 CodeCompletionResult Result(namedDecl, CCP_Declaration); 1319 CodeCompletionString *String 1320 = Result.CreateCodeCompletionString(unit->getASTContext(), 1321 unit->getPreprocessor(), 1322 CodeCompletionContext::CCC_Other, 1323 unit->getCodeCompletionTUInfo().getAllocator(), 1324 unit->getCodeCompletionTUInfo(), 1325 true); 1326 return String; 1327 } 1328 } else if (kind == CXCursor_MacroDefinition) { 1329 const MacroDefinitionRecord *definition = getCursorMacroDefinition(cursor); 1330 const IdentifierInfo *MacroInfo = definition->getName(); 1331 ASTUnit *unit = getCursorASTUnit(cursor); 1332 CodeCompletionResult Result(MacroInfo); 1333 CodeCompletionString *String 1334 = Result.CreateCodeCompletionString(unit->getASTContext(), 1335 unit->getPreprocessor(), 1336 CodeCompletionContext::CCC_Other, 1337 unit->getCodeCompletionTUInfo().getAllocator(), 1338 unit->getCodeCompletionTUInfo(), 1339 false); 1340 return String; 1341 } 1342 return nullptr; 1343 } 1344 } // end: extern C. 1345 1346 namespace { 1347 struct OverridenCursorsPool { 1348 typedef SmallVector<CXCursor, 2> CursorVec; 1349 std::vector<CursorVec*> AllCursors; 1350 std::vector<CursorVec*> AvailableCursors; 1351 1352 ~OverridenCursorsPool() { 1353 for (std::vector<CursorVec*>::iterator I = AllCursors.begin(), 1354 E = AllCursors.end(); I != E; ++I) { 1355 delete *I; 1356 } 1357 } 1358 }; 1359 } 1360 1361 void *cxcursor::createOverridenCXCursorsPool() { 1362 return new OverridenCursorsPool(); 1363 } 1364 1365 void cxcursor::disposeOverridenCXCursorsPool(void *pool) { 1366 delete static_cast<OverridenCursorsPool*>(pool); 1367 } 1368 1369 extern "C" { 1370 void clang_getOverriddenCursors(CXCursor cursor, 1371 CXCursor **overridden, 1372 unsigned *num_overridden) { 1373 if (overridden) 1374 *overridden = nullptr; 1375 if (num_overridden) 1376 *num_overridden = 0; 1377 1378 CXTranslationUnit TU = cxcursor::getCursorTU(cursor); 1379 1380 if (!overridden || !num_overridden || !TU) 1381 return; 1382 1383 if (!clang_isDeclaration(cursor.kind)) 1384 return; 1385 1386 OverridenCursorsPool &pool = 1387 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1388 1389 OverridenCursorsPool::CursorVec *Vec = nullptr; 1390 1391 if (!pool.AvailableCursors.empty()) { 1392 Vec = pool.AvailableCursors.back(); 1393 pool.AvailableCursors.pop_back(); 1394 } 1395 else { 1396 Vec = new OverridenCursorsPool::CursorVec(); 1397 pool.AllCursors.push_back(Vec); 1398 } 1399 1400 // Clear out the vector, but don't free the memory contents. This 1401 // reduces malloc() traffic. 1402 Vec->clear(); 1403 1404 // Use the first entry to contain a back reference to the vector. 1405 // This is a complete hack. 1406 CXCursor backRefCursor = MakeCXCursorInvalid(CXCursor_InvalidFile, TU); 1407 backRefCursor.data[0] = Vec; 1408 assert(cxcursor::getCursorTU(backRefCursor) == TU); 1409 Vec->push_back(backRefCursor); 1410 1411 // Get the overriden cursors. 1412 cxcursor::getOverriddenCursors(cursor, *Vec); 1413 1414 // Did we get any overriden cursors? If not, return Vec to the pool 1415 // of available cursor vectors. 1416 if (Vec->size() == 1) { 1417 pool.AvailableCursors.push_back(Vec); 1418 return; 1419 } 1420 1421 // Now tell the caller about the overriden cursors. 1422 assert(Vec->size() > 1); 1423 *overridden = &((*Vec)[1]); 1424 *num_overridden = Vec->size() - 1; 1425 } 1426 1427 void clang_disposeOverriddenCursors(CXCursor *overridden) { 1428 if (!overridden) 1429 return; 1430 1431 // Use pointer arithmetic to get back the first faux entry 1432 // which has a back-reference to the TU and the vector. 1433 --overridden; 1434 OverridenCursorsPool::CursorVec *Vec = 1435 static_cast<OverridenCursorsPool::CursorVec *>( 1436 const_cast<void *>(overridden->data[0])); 1437 CXTranslationUnit TU = getCursorTU(*overridden); 1438 1439 assert(Vec && TU); 1440 1441 OverridenCursorsPool &pool = 1442 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1443 1444 pool.AvailableCursors.push_back(Vec); 1445 } 1446 1447 int clang_Cursor_isDynamicCall(CXCursor C) { 1448 const Expr *E = nullptr; 1449 if (clang_isExpression(C.kind)) 1450 E = getCursorExpr(C); 1451 if (!E) 1452 return 0; 1453 1454 if (const ObjCMessageExpr *MsgE = dyn_cast<ObjCMessageExpr>(E)) { 1455 if (MsgE->getReceiverKind() != ObjCMessageExpr::Instance) 1456 return false; 1457 if (auto *RecE = dyn_cast<ObjCMessageExpr>( 1458 MsgE->getInstanceReceiver()->IgnoreParenCasts())) { 1459 if (RecE->getMethodFamily() == OMF_alloc) 1460 return false; 1461 } 1462 return true; 1463 } 1464 1465 const MemberExpr *ME = nullptr; 1466 if (isa<MemberExpr>(E)) 1467 ME = cast<MemberExpr>(E); 1468 else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) 1469 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); 1470 1471 if (ME) { 1472 if (const CXXMethodDecl * 1473 MD = dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) 1474 return MD->isVirtual() && !ME->hasQualifier(); 1475 } 1476 1477 return 0; 1478 } 1479 1480 CXType clang_Cursor_getReceiverType(CXCursor C) { 1481 CXTranslationUnit TU = cxcursor::getCursorTU(C); 1482 const Expr *E = nullptr; 1483 if (clang_isExpression(C.kind)) 1484 E = getCursorExpr(C); 1485 1486 if (const ObjCMessageExpr *MsgE = dyn_cast_or_null<ObjCMessageExpr>(E)) 1487 return cxtype::MakeCXType(MsgE->getReceiverType(), TU); 1488 1489 return cxtype::MakeCXType(QualType(), TU); 1490 } 1491 1492 } // end: extern "C" 1493