1 //===- CXCursor.cpp - Routines for manipulating CXCursors -----------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file defines routines for manipulating CXCursors. It should be the 11 // only file that has internal knowledge of the encoding of the data in 12 // CXCursor. 13 // 14 //===----------------------------------------------------------------------===// 15 16 #include "CXTranslationUnit.h" 17 #include "CXCursor.h" 18 #include "CXString.h" 19 #include "CXType.h" 20 #include "clang-c/Index.h" 21 #include "clang/AST/Attr.h" 22 #include "clang/AST/Decl.h" 23 #include "clang/AST/DeclCXX.h" 24 #include "clang/AST/DeclObjC.h" 25 #include "clang/AST/DeclTemplate.h" 26 #include "clang/AST/Expr.h" 27 #include "clang/AST/ExprCXX.h" 28 #include "clang/AST/ExprObjC.h" 29 #include "clang/Frontend/ASTUnit.h" 30 #include "llvm/Support/ErrorHandling.h" 31 32 using namespace clang; 33 using namespace cxcursor; 34 35 CXCursor cxcursor::MakeCXCursorInvalid(CXCursorKind K, CXTranslationUnit TU) { 36 assert(K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid); 37 CXCursor C = { K, 0, { nullptr, nullptr, TU } }; 38 return C; 39 } 40 41 static CXCursorKind GetCursorKind(const Attr *A) { 42 assert(A && "Invalid arguments!"); 43 switch (A->getKind()) { 44 default: break; 45 case attr::IBAction: return CXCursor_IBActionAttr; 46 case attr::IBOutlet: return CXCursor_IBOutletAttr; 47 case attr::IBOutletCollection: return CXCursor_IBOutletCollectionAttr; 48 case attr::Final: return CXCursor_CXXFinalAttr; 49 case attr::Override: return CXCursor_CXXOverrideAttr; 50 case attr::Annotate: return CXCursor_AnnotateAttr; 51 case attr::AsmLabel: return CXCursor_AsmLabelAttr; 52 case attr::Packed: return CXCursor_PackedAttr; 53 case attr::Pure: return CXCursor_PureAttr; 54 case attr::Const: return CXCursor_ConstAttr; 55 case attr::NoDuplicate: return CXCursor_NoDuplicateAttr; 56 case attr::CUDAConstant: return CXCursor_CUDAConstantAttr; 57 case attr::CUDADevice: return CXCursor_CUDADeviceAttr; 58 case attr::CUDAGlobal: return CXCursor_CUDAGlobalAttr; 59 case attr::CUDAHost: return CXCursor_CUDAHostAttr; 60 case attr::CUDAShared: return CXCursor_CUDASharedAttr; 61 case attr::Visibility: return CXCursor_VisibilityAttr; 62 } 63 64 return CXCursor_UnexposedAttr; 65 } 66 67 CXCursor cxcursor::MakeCXCursor(const Attr *A, const Decl *Parent, 68 CXTranslationUnit TU) { 69 assert(A && Parent && TU && "Invalid arguments!"); 70 CXCursor C = { GetCursorKind(A), 0, { Parent, A, TU } }; 71 return C; 72 } 73 74 CXCursor cxcursor::MakeCXCursor(const Decl *D, CXTranslationUnit TU, 75 SourceRange RegionOfInterest, 76 bool FirstInDeclGroup) { 77 assert(D && TU && "Invalid arguments!"); 78 79 CXCursorKind K = getCursorKindForDecl(D); 80 81 if (K == CXCursor_ObjCClassMethodDecl || 82 K == CXCursor_ObjCInstanceMethodDecl) { 83 int SelectorIdIndex = -1; 84 // Check if cursor points to a selector id. 85 if (RegionOfInterest.isValid() && 86 RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) { 87 SmallVector<SourceLocation, 16> SelLocs; 88 cast<ObjCMethodDecl>(D)->getSelectorLocs(SelLocs); 89 SmallVectorImpl<SourceLocation>::iterator 90 I=std::find(SelLocs.begin(), SelLocs.end(),RegionOfInterest.getBegin()); 91 if (I != SelLocs.end()) 92 SelectorIdIndex = I - SelLocs.begin(); 93 } 94 CXCursor C = { K, SelectorIdIndex, 95 { D, (void*)(intptr_t) (FirstInDeclGroup ? 1 : 0), TU }}; 96 return C; 97 } 98 99 CXCursor C = { K, 0, { D, (void*)(intptr_t) (FirstInDeclGroup ? 1 : 0), TU }}; 100 return C; 101 } 102 103 CXCursor cxcursor::MakeCXCursor(const Stmt *S, const Decl *Parent, 104 CXTranslationUnit TU, 105 SourceRange RegionOfInterest) { 106 assert(S && TU && "Invalid arguments!"); 107 CXCursorKind K = CXCursor_NotImplemented; 108 109 switch (S->getStmtClass()) { 110 case Stmt::NoStmtClass: 111 break; 112 113 case Stmt::CaseStmtClass: 114 K = CXCursor_CaseStmt; 115 break; 116 117 case Stmt::DefaultStmtClass: 118 K = CXCursor_DefaultStmt; 119 break; 120 121 case Stmt::IfStmtClass: 122 K = CXCursor_IfStmt; 123 break; 124 125 case Stmt::SwitchStmtClass: 126 K = CXCursor_SwitchStmt; 127 break; 128 129 case Stmt::WhileStmtClass: 130 K = CXCursor_WhileStmt; 131 break; 132 133 case Stmt::DoStmtClass: 134 K = CXCursor_DoStmt; 135 break; 136 137 case Stmt::ForStmtClass: 138 K = CXCursor_ForStmt; 139 break; 140 141 case Stmt::GotoStmtClass: 142 K = CXCursor_GotoStmt; 143 break; 144 145 case Stmt::IndirectGotoStmtClass: 146 K = CXCursor_IndirectGotoStmt; 147 break; 148 149 case Stmt::ContinueStmtClass: 150 K = CXCursor_ContinueStmt; 151 break; 152 153 case Stmt::BreakStmtClass: 154 K = CXCursor_BreakStmt; 155 break; 156 157 case Stmt::ReturnStmtClass: 158 K = CXCursor_ReturnStmt; 159 break; 160 161 case Stmt::GCCAsmStmtClass: 162 K = CXCursor_GCCAsmStmt; 163 break; 164 165 case Stmt::MSAsmStmtClass: 166 K = CXCursor_MSAsmStmt; 167 break; 168 169 case Stmt::ObjCAtTryStmtClass: 170 K = CXCursor_ObjCAtTryStmt; 171 break; 172 173 case Stmt::ObjCAtCatchStmtClass: 174 K = CXCursor_ObjCAtCatchStmt; 175 break; 176 177 case Stmt::ObjCAtFinallyStmtClass: 178 K = CXCursor_ObjCAtFinallyStmt; 179 break; 180 181 case Stmt::ObjCAtThrowStmtClass: 182 K = CXCursor_ObjCAtThrowStmt; 183 break; 184 185 case Stmt::ObjCAtSynchronizedStmtClass: 186 K = CXCursor_ObjCAtSynchronizedStmt; 187 break; 188 189 case Stmt::ObjCAutoreleasePoolStmtClass: 190 K = CXCursor_ObjCAutoreleasePoolStmt; 191 break; 192 193 case Stmt::ObjCForCollectionStmtClass: 194 K = CXCursor_ObjCForCollectionStmt; 195 break; 196 197 case Stmt::CXXCatchStmtClass: 198 K = CXCursor_CXXCatchStmt; 199 break; 200 201 case Stmt::CXXTryStmtClass: 202 K = CXCursor_CXXTryStmt; 203 break; 204 205 case Stmt::CXXForRangeStmtClass: 206 K = CXCursor_CXXForRangeStmt; 207 break; 208 209 case Stmt::SEHTryStmtClass: 210 K = CXCursor_SEHTryStmt; 211 break; 212 213 case Stmt::SEHExceptStmtClass: 214 K = CXCursor_SEHExceptStmt; 215 break; 216 217 case Stmt::SEHFinallyStmtClass: 218 K = CXCursor_SEHFinallyStmt; 219 break; 220 221 case Stmt::SEHLeaveStmtClass: 222 K = CXCursor_SEHLeaveStmt; 223 break; 224 225 case Stmt::ArrayTypeTraitExprClass: 226 case Stmt::AsTypeExprClass: 227 case Stmt::AtomicExprClass: 228 case Stmt::BinaryConditionalOperatorClass: 229 case Stmt::TypeTraitExprClass: 230 case Stmt::CXXBindTemporaryExprClass: 231 case Stmt::CXXDefaultArgExprClass: 232 case Stmt::CXXDefaultInitExprClass: 233 case Stmt::CXXFoldExprClass: 234 case Stmt::CXXStdInitializerListExprClass: 235 case Stmt::CXXScalarValueInitExprClass: 236 case Stmt::CXXUuidofExprClass: 237 case Stmt::ChooseExprClass: 238 case Stmt::DesignatedInitExprClass: 239 case Stmt::DesignatedInitUpdateExprClass: 240 case Stmt::ExprWithCleanupsClass: 241 case Stmt::ExpressionTraitExprClass: 242 case Stmt::ExtVectorElementExprClass: 243 case Stmt::ImplicitCastExprClass: 244 case Stmt::ImplicitValueInitExprClass: 245 case Stmt::NoInitExprClass: 246 case Stmt::MaterializeTemporaryExprClass: 247 case Stmt::ObjCIndirectCopyRestoreExprClass: 248 case Stmt::OffsetOfExprClass: 249 case Stmt::ParenListExprClass: 250 case Stmt::PredefinedExprClass: 251 case Stmt::ShuffleVectorExprClass: 252 case Stmt::ConvertVectorExprClass: 253 case Stmt::UnaryExprOrTypeTraitExprClass: 254 case Stmt::VAArgExprClass: 255 case Stmt::ObjCArrayLiteralClass: 256 case Stmt::ObjCDictionaryLiteralClass: 257 case Stmt::ObjCBoxedExprClass: 258 case Stmt::ObjCSubscriptRefExprClass: 259 K = CXCursor_UnexposedExpr; 260 break; 261 262 case Stmt::OpaqueValueExprClass: 263 if (Expr *Src = cast<OpaqueValueExpr>(S)->getSourceExpr()) 264 return MakeCXCursor(Src, Parent, TU, RegionOfInterest); 265 K = CXCursor_UnexposedExpr; 266 break; 267 268 case Stmt::PseudoObjectExprClass: 269 return MakeCXCursor(cast<PseudoObjectExpr>(S)->getSyntacticForm(), 270 Parent, TU, RegionOfInterest); 271 272 case Stmt::CompoundStmtClass: 273 K = CXCursor_CompoundStmt; 274 break; 275 276 case Stmt::NullStmtClass: 277 K = CXCursor_NullStmt; 278 break; 279 280 case Stmt::LabelStmtClass: 281 K = CXCursor_LabelStmt; 282 break; 283 284 case Stmt::AttributedStmtClass: 285 K = CXCursor_UnexposedStmt; 286 break; 287 288 case Stmt::DeclStmtClass: 289 K = CXCursor_DeclStmt; 290 break; 291 292 case Stmt::CapturedStmtClass: 293 K = CXCursor_UnexposedStmt; 294 break; 295 296 case Stmt::IntegerLiteralClass: 297 K = CXCursor_IntegerLiteral; 298 break; 299 300 case Stmt::FloatingLiteralClass: 301 K = CXCursor_FloatingLiteral; 302 break; 303 304 case Stmt::ImaginaryLiteralClass: 305 K = CXCursor_ImaginaryLiteral; 306 break; 307 308 case Stmt::StringLiteralClass: 309 K = CXCursor_StringLiteral; 310 break; 311 312 case Stmt::CharacterLiteralClass: 313 K = CXCursor_CharacterLiteral; 314 break; 315 316 case Stmt::ParenExprClass: 317 K = CXCursor_ParenExpr; 318 break; 319 320 case Stmt::UnaryOperatorClass: 321 K = CXCursor_UnaryOperator; 322 break; 323 324 case Stmt::CXXNoexceptExprClass: 325 K = CXCursor_UnaryExpr; 326 break; 327 328 case Stmt::ArraySubscriptExprClass: 329 K = CXCursor_ArraySubscriptExpr; 330 break; 331 332 case Stmt::OMPArraySectionExprClass: 333 K = CXCursor_OMPArraySectionExpr; 334 break; 335 336 case Stmt::BinaryOperatorClass: 337 K = CXCursor_BinaryOperator; 338 break; 339 340 case Stmt::CompoundAssignOperatorClass: 341 K = CXCursor_CompoundAssignOperator; 342 break; 343 344 case Stmt::ConditionalOperatorClass: 345 K = CXCursor_ConditionalOperator; 346 break; 347 348 case Stmt::CStyleCastExprClass: 349 K = CXCursor_CStyleCastExpr; 350 break; 351 352 case Stmt::CompoundLiteralExprClass: 353 K = CXCursor_CompoundLiteralExpr; 354 break; 355 356 case Stmt::InitListExprClass: 357 K = CXCursor_InitListExpr; 358 break; 359 360 case Stmt::AddrLabelExprClass: 361 K = CXCursor_AddrLabelExpr; 362 break; 363 364 case Stmt::StmtExprClass: 365 K = CXCursor_StmtExpr; 366 break; 367 368 case Stmt::GenericSelectionExprClass: 369 K = CXCursor_GenericSelectionExpr; 370 break; 371 372 case Stmt::GNUNullExprClass: 373 K = CXCursor_GNUNullExpr; 374 break; 375 376 case Stmt::CXXStaticCastExprClass: 377 K = CXCursor_CXXStaticCastExpr; 378 break; 379 380 case Stmt::CXXDynamicCastExprClass: 381 K = CXCursor_CXXDynamicCastExpr; 382 break; 383 384 case Stmt::CXXReinterpretCastExprClass: 385 K = CXCursor_CXXReinterpretCastExpr; 386 break; 387 388 case Stmt::CXXConstCastExprClass: 389 K = CXCursor_CXXConstCastExpr; 390 break; 391 392 case Stmt::CXXFunctionalCastExprClass: 393 K = CXCursor_CXXFunctionalCastExpr; 394 break; 395 396 case Stmt::CXXTypeidExprClass: 397 K = CXCursor_CXXTypeidExpr; 398 break; 399 400 case Stmt::CXXBoolLiteralExprClass: 401 K = CXCursor_CXXBoolLiteralExpr; 402 break; 403 404 case Stmt::CXXNullPtrLiteralExprClass: 405 K = CXCursor_CXXNullPtrLiteralExpr; 406 break; 407 408 case Stmt::CXXThisExprClass: 409 K = CXCursor_CXXThisExpr; 410 break; 411 412 case Stmt::CXXThrowExprClass: 413 K = CXCursor_CXXThrowExpr; 414 break; 415 416 case Stmt::CXXNewExprClass: 417 K = CXCursor_CXXNewExpr; 418 break; 419 420 case Stmt::CXXDeleteExprClass: 421 K = CXCursor_CXXDeleteExpr; 422 break; 423 424 case Stmt::ObjCStringLiteralClass: 425 K = CXCursor_ObjCStringLiteral; 426 break; 427 428 case Stmt::ObjCEncodeExprClass: 429 K = CXCursor_ObjCEncodeExpr; 430 break; 431 432 case Stmt::ObjCSelectorExprClass: 433 K = CXCursor_ObjCSelectorExpr; 434 break; 435 436 case Stmt::ObjCProtocolExprClass: 437 K = CXCursor_ObjCProtocolExpr; 438 break; 439 440 case Stmt::ObjCBoolLiteralExprClass: 441 K = CXCursor_ObjCBoolLiteralExpr; 442 break; 443 444 case Stmt::ObjCBridgedCastExprClass: 445 K = CXCursor_ObjCBridgedCastExpr; 446 break; 447 448 case Stmt::BlockExprClass: 449 K = CXCursor_BlockExpr; 450 break; 451 452 case Stmt::PackExpansionExprClass: 453 K = CXCursor_PackExpansionExpr; 454 break; 455 456 case Stmt::SizeOfPackExprClass: 457 K = CXCursor_SizeOfPackExpr; 458 break; 459 460 case Stmt::DeclRefExprClass: 461 if (const ImplicitParamDecl *IPD = 462 dyn_cast_or_null<ImplicitParamDecl>(cast<DeclRefExpr>(S)->getDecl())) { 463 if (const ObjCMethodDecl *MD = 464 dyn_cast<ObjCMethodDecl>(IPD->getDeclContext())) { 465 if (MD->getSelfDecl() == IPD) { 466 K = CXCursor_ObjCSelfExpr; 467 break; 468 } 469 } 470 } 471 472 K = CXCursor_DeclRefExpr; 473 break; 474 475 case Stmt::DependentScopeDeclRefExprClass: 476 case Stmt::SubstNonTypeTemplateParmExprClass: 477 case Stmt::SubstNonTypeTemplateParmPackExprClass: 478 case Stmt::FunctionParmPackExprClass: 479 case Stmt::UnresolvedLookupExprClass: 480 case Stmt::TypoExprClass: // A typo could actually be a DeclRef or a MemberRef 481 K = CXCursor_DeclRefExpr; 482 break; 483 484 case Stmt::CXXDependentScopeMemberExprClass: 485 case Stmt::CXXPseudoDestructorExprClass: 486 case Stmt::MemberExprClass: 487 case Stmt::MSPropertyRefExprClass: 488 case Stmt::ObjCIsaExprClass: 489 case Stmt::ObjCIvarRefExprClass: 490 case Stmt::ObjCPropertyRefExprClass: 491 case Stmt::UnresolvedMemberExprClass: 492 K = CXCursor_MemberRefExpr; 493 break; 494 495 case Stmt::CallExprClass: 496 case Stmt::CXXOperatorCallExprClass: 497 case Stmt::CXXMemberCallExprClass: 498 case Stmt::CUDAKernelCallExprClass: 499 case Stmt::CXXConstructExprClass: 500 case Stmt::CXXTemporaryObjectExprClass: 501 case Stmt::CXXUnresolvedConstructExprClass: 502 case Stmt::UserDefinedLiteralClass: 503 K = CXCursor_CallExpr; 504 break; 505 506 case Stmt::LambdaExprClass: 507 K = CXCursor_LambdaExpr; 508 break; 509 510 case Stmt::ObjCMessageExprClass: { 511 K = CXCursor_ObjCMessageExpr; 512 int SelectorIdIndex = -1; 513 // Check if cursor points to a selector id. 514 if (RegionOfInterest.isValid() && 515 RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) { 516 SmallVector<SourceLocation, 16> SelLocs; 517 cast<ObjCMessageExpr>(S)->getSelectorLocs(SelLocs); 518 SmallVectorImpl<SourceLocation>::iterator 519 I=std::find(SelLocs.begin(), SelLocs.end(),RegionOfInterest.getBegin()); 520 if (I != SelLocs.end()) 521 SelectorIdIndex = I - SelLocs.begin(); 522 } 523 CXCursor C = { K, 0, { Parent, S, TU } }; 524 return getSelectorIdentifierCursor(SelectorIdIndex, C); 525 } 526 527 case Stmt::MSDependentExistsStmtClass: 528 K = CXCursor_UnexposedStmt; 529 break; 530 case Stmt::OMPParallelDirectiveClass: 531 K = CXCursor_OMPParallelDirective; 532 break; 533 case Stmt::OMPSimdDirectiveClass: 534 K = CXCursor_OMPSimdDirective; 535 break; 536 case Stmt::OMPForDirectiveClass: 537 K = CXCursor_OMPForDirective; 538 break; 539 case Stmt::OMPForSimdDirectiveClass: 540 K = CXCursor_OMPForSimdDirective; 541 break; 542 case Stmt::OMPSectionsDirectiveClass: 543 K = CXCursor_OMPSectionsDirective; 544 break; 545 case Stmt::OMPSectionDirectiveClass: 546 K = CXCursor_OMPSectionDirective; 547 break; 548 case Stmt::OMPSingleDirectiveClass: 549 K = CXCursor_OMPSingleDirective; 550 break; 551 case Stmt::OMPMasterDirectiveClass: 552 K = CXCursor_OMPMasterDirective; 553 break; 554 case Stmt::OMPCriticalDirectiveClass: 555 K = CXCursor_OMPCriticalDirective; 556 break; 557 case Stmt::OMPParallelForDirectiveClass: 558 K = CXCursor_OMPParallelForDirective; 559 break; 560 case Stmt::OMPParallelForSimdDirectiveClass: 561 K = CXCursor_OMPParallelForSimdDirective; 562 break; 563 case Stmt::OMPParallelSectionsDirectiveClass: 564 K = CXCursor_OMPParallelSectionsDirective; 565 break; 566 case Stmt::OMPTaskDirectiveClass: 567 K = CXCursor_OMPTaskDirective; 568 break; 569 case Stmt::OMPTaskyieldDirectiveClass: 570 K = CXCursor_OMPTaskyieldDirective; 571 break; 572 case Stmt::OMPBarrierDirectiveClass: 573 K = CXCursor_OMPBarrierDirective; 574 break; 575 case Stmt::OMPTaskwaitDirectiveClass: 576 K = CXCursor_OMPTaskwaitDirective; 577 break; 578 case Stmt::OMPTaskgroupDirectiveClass: 579 K = CXCursor_OMPTaskgroupDirective; 580 break; 581 case Stmt::OMPFlushDirectiveClass: 582 K = CXCursor_OMPFlushDirective; 583 break; 584 case Stmt::OMPOrderedDirectiveClass: 585 K = CXCursor_OMPOrderedDirective; 586 break; 587 case Stmt::OMPAtomicDirectiveClass: 588 K = CXCursor_OMPAtomicDirective; 589 break; 590 case Stmt::OMPTargetDirectiveClass: 591 K = CXCursor_OMPTargetDirective; 592 break; 593 case Stmt::OMPTargetDataDirectiveClass: 594 K = CXCursor_OMPTargetDataDirective; 595 break; 596 case Stmt::OMPTeamsDirectiveClass: 597 K = CXCursor_OMPTeamsDirective; 598 break; 599 case Stmt::OMPCancellationPointDirectiveClass: 600 K = CXCursor_OMPCancellationPointDirective; 601 break; 602 case Stmt::OMPCancelDirectiveClass: 603 K = CXCursor_OMPCancelDirective; 604 break; 605 } 606 607 CXCursor C = { K, 0, { Parent, S, TU } }; 608 return C; 609 } 610 611 CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super, 612 SourceLocation Loc, 613 CXTranslationUnit TU) { 614 assert(Super && TU && "Invalid arguments!"); 615 void *RawLoc = Loc.getPtrEncoding(); 616 CXCursor C = { CXCursor_ObjCSuperClassRef, 0, { Super, RawLoc, TU } }; 617 return C; 618 } 619 620 std::pair<const ObjCInterfaceDecl *, SourceLocation> 621 cxcursor::getCursorObjCSuperClassRef(CXCursor C) { 622 assert(C.kind == CXCursor_ObjCSuperClassRef); 623 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 624 SourceLocation::getFromPtrEncoding(C.data[1])); 625 } 626 627 CXCursor cxcursor::MakeCursorObjCProtocolRef(const ObjCProtocolDecl *Proto, 628 SourceLocation Loc, 629 CXTranslationUnit TU) { 630 assert(Proto && TU && "Invalid arguments!"); 631 void *RawLoc = Loc.getPtrEncoding(); 632 CXCursor C = { CXCursor_ObjCProtocolRef, 0, { Proto, RawLoc, TU } }; 633 return C; 634 } 635 636 std::pair<const ObjCProtocolDecl *, SourceLocation> 637 cxcursor::getCursorObjCProtocolRef(CXCursor C) { 638 assert(C.kind == CXCursor_ObjCProtocolRef); 639 return std::make_pair(static_cast<const ObjCProtocolDecl *>(C.data[0]), 640 SourceLocation::getFromPtrEncoding(C.data[1])); 641 } 642 643 CXCursor cxcursor::MakeCursorObjCClassRef(const ObjCInterfaceDecl *Class, 644 SourceLocation Loc, 645 CXTranslationUnit TU) { 646 // 'Class' can be null for invalid code. 647 if (!Class) 648 return MakeCXCursorInvalid(CXCursor_InvalidCode); 649 assert(TU && "Invalid arguments!"); 650 void *RawLoc = Loc.getPtrEncoding(); 651 CXCursor C = { CXCursor_ObjCClassRef, 0, { Class, RawLoc, TU } }; 652 return C; 653 } 654 655 std::pair<const ObjCInterfaceDecl *, SourceLocation> 656 cxcursor::getCursorObjCClassRef(CXCursor C) { 657 assert(C.kind == CXCursor_ObjCClassRef); 658 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 659 SourceLocation::getFromPtrEncoding(C.data[1])); 660 } 661 662 CXCursor cxcursor::MakeCursorTypeRef(const TypeDecl *Type, SourceLocation Loc, 663 CXTranslationUnit TU) { 664 assert(Type && TU && "Invalid arguments!"); 665 void *RawLoc = Loc.getPtrEncoding(); 666 CXCursor C = { CXCursor_TypeRef, 0, { Type, RawLoc, TU } }; 667 return C; 668 } 669 670 std::pair<const TypeDecl *, SourceLocation> 671 cxcursor::getCursorTypeRef(CXCursor C) { 672 assert(C.kind == CXCursor_TypeRef); 673 return std::make_pair(static_cast<const TypeDecl *>(C.data[0]), 674 SourceLocation::getFromPtrEncoding(C.data[1])); 675 } 676 677 CXCursor cxcursor::MakeCursorTemplateRef(const TemplateDecl *Template, 678 SourceLocation Loc, 679 CXTranslationUnit TU) { 680 assert(Template && TU && "Invalid arguments!"); 681 void *RawLoc = Loc.getPtrEncoding(); 682 CXCursor C = { CXCursor_TemplateRef, 0, { Template, RawLoc, TU } }; 683 return C; 684 } 685 686 std::pair<const TemplateDecl *, SourceLocation> 687 cxcursor::getCursorTemplateRef(CXCursor C) { 688 assert(C.kind == CXCursor_TemplateRef); 689 return std::make_pair(static_cast<const TemplateDecl *>(C.data[0]), 690 SourceLocation::getFromPtrEncoding(C.data[1])); 691 } 692 693 CXCursor cxcursor::MakeCursorNamespaceRef(const NamedDecl *NS, 694 SourceLocation Loc, 695 CXTranslationUnit TU) { 696 697 assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU && 698 "Invalid arguments!"); 699 void *RawLoc = Loc.getPtrEncoding(); 700 CXCursor C = { CXCursor_NamespaceRef, 0, { NS, RawLoc, TU } }; 701 return C; 702 } 703 704 std::pair<const NamedDecl *, SourceLocation> 705 cxcursor::getCursorNamespaceRef(CXCursor C) { 706 assert(C.kind == CXCursor_NamespaceRef); 707 return std::make_pair(static_cast<const NamedDecl *>(C.data[0]), 708 SourceLocation::getFromPtrEncoding(C.data[1])); 709 } 710 711 CXCursor cxcursor::MakeCursorVariableRef(const VarDecl *Var, SourceLocation Loc, 712 CXTranslationUnit TU) { 713 714 assert(Var && TU && "Invalid arguments!"); 715 void *RawLoc = Loc.getPtrEncoding(); 716 CXCursor C = { CXCursor_VariableRef, 0, { Var, RawLoc, TU } }; 717 return C; 718 } 719 720 std::pair<const VarDecl *, SourceLocation> 721 cxcursor::getCursorVariableRef(CXCursor C) { 722 assert(C.kind == CXCursor_VariableRef); 723 return std::make_pair(static_cast<const VarDecl *>(C.data[0]), 724 SourceLocation::getFromPtrEncoding(C.data[1])); 725 } 726 727 CXCursor cxcursor::MakeCursorMemberRef(const FieldDecl *Field, SourceLocation Loc, 728 CXTranslationUnit TU) { 729 730 assert(Field && TU && "Invalid arguments!"); 731 void *RawLoc = Loc.getPtrEncoding(); 732 CXCursor C = { CXCursor_MemberRef, 0, { Field, RawLoc, TU } }; 733 return C; 734 } 735 736 std::pair<const FieldDecl *, SourceLocation> 737 cxcursor::getCursorMemberRef(CXCursor C) { 738 assert(C.kind == CXCursor_MemberRef); 739 return std::make_pair(static_cast<const FieldDecl *>(C.data[0]), 740 SourceLocation::getFromPtrEncoding(C.data[1])); 741 } 742 743 CXCursor cxcursor::MakeCursorCXXBaseSpecifier(const CXXBaseSpecifier *B, 744 CXTranslationUnit TU){ 745 CXCursor C = { CXCursor_CXXBaseSpecifier, 0, { B, nullptr, TU } }; 746 return C; 747 } 748 749 const CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) { 750 assert(C.kind == CXCursor_CXXBaseSpecifier); 751 return static_cast<const CXXBaseSpecifier*>(C.data[0]); 752 } 753 754 CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range, 755 CXTranslationUnit TU) { 756 CXCursor C = { CXCursor_PreprocessingDirective, 0, 757 { Range.getBegin().getPtrEncoding(), 758 Range.getEnd().getPtrEncoding(), 759 TU } 760 }; 761 return C; 762 } 763 764 SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) { 765 assert(C.kind == CXCursor_PreprocessingDirective); 766 SourceRange Range(SourceLocation::getFromPtrEncoding(C.data[0]), 767 SourceLocation::getFromPtrEncoding(C.data[1])); 768 ASTUnit *TU = getCursorASTUnit(C); 769 return TU->mapRangeFromPreamble(Range); 770 } 771 772 CXCursor cxcursor::MakeMacroDefinitionCursor(const MacroDefinitionRecord *MI, 773 CXTranslationUnit TU) { 774 CXCursor C = {CXCursor_MacroDefinition, 0, {MI, nullptr, TU}}; 775 return C; 776 } 777 778 const MacroDefinitionRecord *cxcursor::getCursorMacroDefinition(CXCursor C) { 779 assert(C.kind == CXCursor_MacroDefinition); 780 return static_cast<const MacroDefinitionRecord *>(C.data[0]); 781 } 782 783 CXCursor cxcursor::MakeMacroExpansionCursor(MacroExpansion *MI, 784 CXTranslationUnit TU) { 785 CXCursor C = { CXCursor_MacroExpansion, 0, { MI, nullptr, TU } }; 786 return C; 787 } 788 789 CXCursor cxcursor::MakeMacroExpansionCursor(MacroDefinitionRecord *MI, 790 SourceLocation Loc, 791 CXTranslationUnit TU) { 792 assert(Loc.isValid()); 793 CXCursor C = {CXCursor_MacroExpansion, 0, {MI, Loc.getPtrEncoding(), TU}}; 794 return C; 795 } 796 797 const IdentifierInfo *cxcursor::MacroExpansionCursor::getName() const { 798 if (isPseudo()) 799 return getAsMacroDefinition()->getName(); 800 return getAsMacroExpansion()->getName(); 801 } 802 const MacroDefinitionRecord * 803 cxcursor::MacroExpansionCursor::getDefinition() const { 804 if (isPseudo()) 805 return getAsMacroDefinition(); 806 return getAsMacroExpansion()->getDefinition(); 807 } 808 SourceRange cxcursor::MacroExpansionCursor::getSourceRange() const { 809 if (isPseudo()) 810 return getPseudoLoc(); 811 return getAsMacroExpansion()->getSourceRange(); 812 } 813 814 CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID, 815 CXTranslationUnit TU) { 816 CXCursor C = { CXCursor_InclusionDirective, 0, { ID, nullptr, TU } }; 817 return C; 818 } 819 820 const InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) { 821 assert(C.kind == CXCursor_InclusionDirective); 822 return static_cast<const InclusionDirective *>(C.data[0]); 823 } 824 825 CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc, 826 CXTranslationUnit TU) { 827 828 assert(Label && TU && "Invalid arguments!"); 829 void *RawLoc = Loc.getPtrEncoding(); 830 CXCursor C = { CXCursor_LabelRef, 0, { Label, RawLoc, TU } }; 831 return C; 832 } 833 834 std::pair<const LabelStmt *, SourceLocation> 835 cxcursor::getCursorLabelRef(CXCursor C) { 836 assert(C.kind == CXCursor_LabelRef); 837 return std::make_pair(static_cast<const LabelStmt *>(C.data[0]), 838 SourceLocation::getFromPtrEncoding(C.data[1])); 839 } 840 841 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const OverloadExpr *E, 842 CXTranslationUnit TU) { 843 assert(E && TU && "Invalid arguments!"); 844 OverloadedDeclRefStorage Storage(E); 845 void *RawLoc = E->getNameLoc().getPtrEncoding(); 846 CXCursor C = { 847 CXCursor_OverloadedDeclRef, 0, 848 { Storage.getOpaqueValue(), RawLoc, TU } 849 }; 850 return C; 851 } 852 853 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const Decl *D, 854 SourceLocation Loc, 855 CXTranslationUnit TU) { 856 assert(D && TU && "Invalid arguments!"); 857 void *RawLoc = Loc.getPtrEncoding(); 858 OverloadedDeclRefStorage Storage(D); 859 CXCursor C = { 860 CXCursor_OverloadedDeclRef, 0, 861 { Storage.getOpaqueValue(), RawLoc, TU } 862 }; 863 return C; 864 } 865 866 CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name, 867 SourceLocation Loc, 868 CXTranslationUnit TU) { 869 assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!"); 870 void *RawLoc = Loc.getPtrEncoding(); 871 OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate()); 872 CXCursor C = { 873 CXCursor_OverloadedDeclRef, 0, 874 { Storage.getOpaqueValue(), RawLoc, TU } 875 }; 876 return C; 877 } 878 879 std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation> 880 cxcursor::getCursorOverloadedDeclRef(CXCursor C) { 881 assert(C.kind == CXCursor_OverloadedDeclRef); 882 return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue( 883 const_cast<void *>(C.data[0])), 884 SourceLocation::getFromPtrEncoding(C.data[1])); 885 } 886 887 const Decl *cxcursor::getCursorDecl(CXCursor Cursor) { 888 return static_cast<const Decl *>(Cursor.data[0]); 889 } 890 891 const Expr *cxcursor::getCursorExpr(CXCursor Cursor) { 892 return dyn_cast_or_null<Expr>(getCursorStmt(Cursor)); 893 } 894 895 const Stmt *cxcursor::getCursorStmt(CXCursor Cursor) { 896 if (Cursor.kind == CXCursor_ObjCSuperClassRef || 897 Cursor.kind == CXCursor_ObjCProtocolRef || 898 Cursor.kind == CXCursor_ObjCClassRef) 899 return nullptr; 900 901 return static_cast<const Stmt *>(Cursor.data[1]); 902 } 903 904 const Attr *cxcursor::getCursorAttr(CXCursor Cursor) { 905 return static_cast<const Attr *>(Cursor.data[1]); 906 } 907 908 const Decl *cxcursor::getCursorParentDecl(CXCursor Cursor) { 909 return static_cast<const Decl *>(Cursor.data[0]); 910 } 911 912 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { 913 return getCursorASTUnit(Cursor)->getASTContext(); 914 } 915 916 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { 917 CXTranslationUnit TU = getCursorTU(Cursor); 918 if (!TU) 919 return nullptr; 920 return cxtu::getASTUnit(TU); 921 } 922 923 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { 924 return static_cast<CXTranslationUnit>(const_cast<void*>(Cursor.data[2])); 925 } 926 927 void cxcursor::getOverriddenCursors(CXCursor cursor, 928 SmallVectorImpl<CXCursor> &overridden) { 929 assert(clang_isDeclaration(cursor.kind)); 930 const NamedDecl *D = dyn_cast_or_null<NamedDecl>(getCursorDecl(cursor)); 931 if (!D) 932 return; 933 934 CXTranslationUnit TU = getCursorTU(cursor); 935 SmallVector<const NamedDecl *, 8> OverDecls; 936 D->getASTContext().getOverriddenMethods(D, OverDecls); 937 938 for (SmallVectorImpl<const NamedDecl *>::iterator 939 I = OverDecls.begin(), E = OverDecls.end(); I != E; ++I) { 940 overridden.push_back(MakeCXCursor(*I, TU)); 941 } 942 } 943 944 std::pair<int, SourceLocation> 945 cxcursor::getSelectorIdentifierIndexAndLoc(CXCursor cursor) { 946 if (cursor.kind == CXCursor_ObjCMessageExpr) { 947 if (cursor.xdata != -1) 948 return std::make_pair(cursor.xdata, 949 cast<ObjCMessageExpr>(getCursorExpr(cursor)) 950 ->getSelectorLoc(cursor.xdata)); 951 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 952 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 953 if (cursor.xdata != -1) 954 return std::make_pair(cursor.xdata, 955 cast<ObjCMethodDecl>(getCursorDecl(cursor)) 956 ->getSelectorLoc(cursor.xdata)); 957 } 958 959 return std::make_pair(-1, SourceLocation()); 960 } 961 962 CXCursor cxcursor::getSelectorIdentifierCursor(int SelIdx, CXCursor cursor) { 963 CXCursor newCursor = cursor; 964 965 if (cursor.kind == CXCursor_ObjCMessageExpr) { 966 if (SelIdx == -1 || 967 unsigned(SelIdx) >= cast<ObjCMessageExpr>(getCursorExpr(cursor)) 968 ->getNumSelectorLocs()) 969 newCursor.xdata = -1; 970 else 971 newCursor.xdata = SelIdx; 972 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 973 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 974 if (SelIdx == -1 || 975 unsigned(SelIdx) >= cast<ObjCMethodDecl>(getCursorDecl(cursor)) 976 ->getNumSelectorLocs()) 977 newCursor.xdata = -1; 978 else 979 newCursor.xdata = SelIdx; 980 } 981 982 return newCursor; 983 } 984 985 CXCursor cxcursor::getTypeRefCursor(CXCursor cursor) { 986 if (cursor.kind != CXCursor_CallExpr) 987 return cursor; 988 989 if (cursor.xdata == 0) 990 return cursor; 991 992 const Expr *E = getCursorExpr(cursor); 993 TypeSourceInfo *Type = nullptr; 994 if (const CXXUnresolvedConstructExpr * 995 UnCtor = dyn_cast<CXXUnresolvedConstructExpr>(E)) { 996 Type = UnCtor->getTypeSourceInfo(); 997 } else if (const CXXTemporaryObjectExpr *Tmp = 998 dyn_cast<CXXTemporaryObjectExpr>(E)){ 999 Type = Tmp->getTypeSourceInfo(); 1000 } 1001 1002 if (!Type) 1003 return cursor; 1004 1005 CXTranslationUnit TU = getCursorTU(cursor); 1006 QualType Ty = Type->getType(); 1007 TypeLoc TL = Type->getTypeLoc(); 1008 SourceLocation Loc = TL.getBeginLoc(); 1009 1010 if (const ElaboratedType *ElabT = Ty->getAs<ElaboratedType>()) { 1011 Ty = ElabT->getNamedType(); 1012 ElaboratedTypeLoc ElabTL = TL.castAs<ElaboratedTypeLoc>(); 1013 Loc = ElabTL.getNamedTypeLoc().getBeginLoc(); 1014 } 1015 1016 if (const TypedefType *Typedef = Ty->getAs<TypedefType>()) 1017 return MakeCursorTypeRef(Typedef->getDecl(), Loc, TU); 1018 if (const TagType *Tag = Ty->getAs<TagType>()) 1019 return MakeCursorTypeRef(Tag->getDecl(), Loc, TU); 1020 if (const TemplateTypeParmType *TemplP = Ty->getAs<TemplateTypeParmType>()) 1021 return MakeCursorTypeRef(TemplP->getDecl(), Loc, TU); 1022 1023 return cursor; 1024 } 1025 1026 bool cxcursor::operator==(CXCursor X, CXCursor Y) { 1027 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && 1028 X.data[2] == Y.data[2]; 1029 } 1030 1031 // FIXME: Remove once we can model DeclGroups and their appropriate ranges 1032 // properly in the ASTs. 1033 bool cxcursor::isFirstInDeclGroup(CXCursor C) { 1034 assert(clang_isDeclaration(C.kind)); 1035 return ((uintptr_t) (C.data[1])) != 0; 1036 } 1037 1038 //===----------------------------------------------------------------------===// 1039 // libclang CXCursor APIs 1040 //===----------------------------------------------------------------------===// 1041 1042 extern "C" { 1043 1044 int clang_Cursor_isNull(CXCursor cursor) { 1045 return clang_equalCursors(cursor, clang_getNullCursor()); 1046 } 1047 1048 CXTranslationUnit clang_Cursor_getTranslationUnit(CXCursor cursor) { 1049 return getCursorTU(cursor); 1050 } 1051 1052 int clang_Cursor_getNumArguments(CXCursor C) { 1053 if (clang_isDeclaration(C.kind)) { 1054 const Decl *D = cxcursor::getCursorDecl(C); 1055 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) 1056 return MD->param_size(); 1057 if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) 1058 return FD->param_size(); 1059 } 1060 1061 if (clang_isExpression(C.kind)) { 1062 const Expr *E = cxcursor::getCursorExpr(C); 1063 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1064 return CE->getNumArgs(); 1065 } 1066 } 1067 1068 return -1; 1069 } 1070 1071 CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i) { 1072 if (clang_isDeclaration(C.kind)) { 1073 const Decl *D = cxcursor::getCursorDecl(C); 1074 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) { 1075 if (i < MD->param_size()) 1076 return cxcursor::MakeCXCursor(MD->parameters()[i], 1077 cxcursor::getCursorTU(C)); 1078 } else if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) { 1079 if (i < FD->param_size()) 1080 return cxcursor::MakeCXCursor(FD->parameters()[i], 1081 cxcursor::getCursorTU(C)); 1082 } 1083 } 1084 1085 if (clang_isExpression(C.kind)) { 1086 const Expr *E = cxcursor::getCursorExpr(C); 1087 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 1088 if (i < CE->getNumArgs()) { 1089 return cxcursor::MakeCXCursor(CE->getArg(i), 1090 getCursorDecl(C), 1091 cxcursor::getCursorTU(C)); 1092 } 1093 } 1094 } 1095 1096 return clang_getNullCursor(); 1097 } 1098 1099 int clang_Cursor_getNumTemplateArguments(CXCursor C) { 1100 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1101 return -1; 1102 } 1103 1104 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1105 getCursorDecl(C)); 1106 if (!FD) { 1107 return -1; 1108 } 1109 1110 const FunctionTemplateSpecializationInfo* SpecInfo = 1111 FD->getTemplateSpecializationInfo(); 1112 if (!SpecInfo) { 1113 return -1; 1114 } 1115 1116 return SpecInfo->TemplateArguments->size(); 1117 } 1118 1119 enum CXGetTemplateArgumentStatus { 1120 /** \brief The operation completed successfully */ 1121 CXGetTemplateArgumentStatus_Success = 0, 1122 1123 /** \brief The specified cursor did not represent a FunctionDecl. */ 1124 CXGetTemplateArgumentStatus_CursorNotFunctionDecl = -1, 1125 1126 /** \brief The specified cursor was not castable to a FunctionDecl. */ 1127 CXGetTemplateArgumentStatus_BadFunctionDeclCast = -2, 1128 1129 /** \brief A NULL FunctionTemplateSpecializationInfo was retrieved. */ 1130 CXGetTemplateArgumentStatus_NullTemplSpecInfo = -3, 1131 1132 /** \brief An invalid (OOB) argument index was specified */ 1133 CXGetTemplateArgumentStatus_InvalidIndex = -4 1134 }; 1135 1136 static int clang_Cursor_getTemplateArgument( 1137 CXCursor C, unsigned I, TemplateArgument *TA) { 1138 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) { 1139 return CXGetTemplateArgumentStatus_CursorNotFunctionDecl; 1140 } 1141 1142 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>( 1143 getCursorDecl(C)); 1144 if (!FD) { 1145 return CXGetTemplateArgumentStatus_BadFunctionDeclCast; 1146 } 1147 1148 const FunctionTemplateSpecializationInfo* SpecInfo = 1149 FD->getTemplateSpecializationInfo(); 1150 if (!SpecInfo) { 1151 return CXGetTemplateArgumentStatus_NullTemplSpecInfo; 1152 } 1153 1154 if (I >= SpecInfo->TemplateArguments->size()) { 1155 return CXGetTemplateArgumentStatus_InvalidIndex; 1156 } 1157 1158 *TA = SpecInfo->TemplateArguments->get(I); 1159 return 0; 1160 } 1161 1162 enum CXTemplateArgumentKind clang_Cursor_getTemplateArgumentKind(CXCursor C, 1163 unsigned I) { 1164 TemplateArgument TA; 1165 if (clang_Cursor_getTemplateArgument(C, I, &TA)) { 1166 return CXTemplateArgumentKind_Invalid; 1167 } 1168 1169 switch (TA.getKind()) { 1170 case TemplateArgument::Null: return CXTemplateArgumentKind_Null; 1171 case TemplateArgument::Type: return CXTemplateArgumentKind_Type; 1172 case TemplateArgument::Declaration: 1173 return CXTemplateArgumentKind_Declaration; 1174 case TemplateArgument::NullPtr: return CXTemplateArgumentKind_NullPtr; 1175 case TemplateArgument::Integral: return CXTemplateArgumentKind_Integral; 1176 case TemplateArgument::Template: return CXTemplateArgumentKind_Template; 1177 case TemplateArgument::TemplateExpansion: 1178 return CXTemplateArgumentKind_TemplateExpansion; 1179 case TemplateArgument::Expression: return CXTemplateArgumentKind_Expression; 1180 case TemplateArgument::Pack: return CXTemplateArgumentKind_Pack; 1181 } 1182 1183 return CXTemplateArgumentKind_Invalid; 1184 } 1185 1186 CXType clang_Cursor_getTemplateArgumentType(CXCursor C, unsigned I) { 1187 TemplateArgument TA; 1188 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1189 CXGetTemplateArgumentStatus_Success) { 1190 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1191 } 1192 1193 if (TA.getKind() != TemplateArgument::Type) { 1194 return cxtype::MakeCXType(QualType(), getCursorTU(C)); 1195 } 1196 1197 return cxtype::MakeCXType(TA.getAsType(), getCursorTU(C)); 1198 } 1199 1200 long long clang_Cursor_getTemplateArgumentValue(CXCursor C, unsigned I) { 1201 TemplateArgument TA; 1202 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1203 CXGetTemplateArgumentStatus_Success) { 1204 assert(0 && "Unable to retrieve TemplateArgument"); 1205 return 0; 1206 } 1207 1208 if (TA.getKind() != TemplateArgument::Integral) { 1209 assert(0 && "Passed template argument is not Integral"); 1210 return 0; 1211 } 1212 1213 return TA.getAsIntegral().getSExtValue(); 1214 } 1215 1216 unsigned long long clang_Cursor_getTemplateArgumentUnsignedValue(CXCursor C, 1217 unsigned I) { 1218 TemplateArgument TA; 1219 if (clang_Cursor_getTemplateArgument(C, I, &TA) != 1220 CXGetTemplateArgumentStatus_Success) { 1221 assert(0 && "Unable to retrieve TemplateArgument"); 1222 return 0; 1223 } 1224 1225 if (TA.getKind() != TemplateArgument::Integral) { 1226 assert(0 && "Passed template argument is not Integral"); 1227 return 0; 1228 } 1229 1230 return TA.getAsIntegral().getZExtValue(); 1231 } 1232 1233 } // end: extern "C" 1234 1235 //===----------------------------------------------------------------------===// 1236 // CXCursorSet. 1237 //===----------------------------------------------------------------------===// 1238 1239 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; 1240 1241 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { 1242 return (CXCursorSet) setImpl; 1243 } 1244 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { 1245 return (CXCursorSet_Impl*) set; 1246 } 1247 namespace llvm { 1248 template<> struct DenseMapInfo<CXCursor> { 1249 public: 1250 static inline CXCursor getEmptyKey() { 1251 return MakeCXCursorInvalid(CXCursor_InvalidFile); 1252 } 1253 static inline CXCursor getTombstoneKey() { 1254 return MakeCXCursorInvalid(CXCursor_NoDeclFound); 1255 } 1256 static inline unsigned getHashValue(const CXCursor &cursor) { 1257 return llvm::DenseMapInfo<std::pair<const void *, const void *> > 1258 ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); 1259 } 1260 static inline bool isEqual(const CXCursor &x, const CXCursor &y) { 1261 return x.kind == y.kind && 1262 x.data[0] == y.data[0] && 1263 x.data[1] == y.data[1]; 1264 } 1265 }; 1266 } 1267 1268 extern "C" { 1269 CXCursorSet clang_createCXCursorSet() { 1270 return packCXCursorSet(new CXCursorSet_Impl()); 1271 } 1272 1273 void clang_disposeCXCursorSet(CXCursorSet set) { 1274 delete unpackCXCursorSet(set); 1275 } 1276 1277 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { 1278 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1279 if (!setImpl) 1280 return 0; 1281 return setImpl->find(cursor) != setImpl->end(); 1282 } 1283 1284 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { 1285 // Do not insert invalid cursors into the set. 1286 if (cursor.kind >= CXCursor_FirstInvalid && 1287 cursor.kind <= CXCursor_LastInvalid) 1288 return 1; 1289 1290 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1291 if (!setImpl) 1292 return 1; 1293 unsigned &entry = (*setImpl)[cursor]; 1294 unsigned flag = entry == 0 ? 1 : 0; 1295 entry = 1; 1296 return flag; 1297 } 1298 1299 CXCompletionString clang_getCursorCompletionString(CXCursor cursor) { 1300 enum CXCursorKind kind = clang_getCursorKind(cursor); 1301 if (clang_isDeclaration(kind)) { 1302 const Decl *decl = getCursorDecl(cursor); 1303 if (const NamedDecl *namedDecl = dyn_cast_or_null<NamedDecl>(decl)) { 1304 ASTUnit *unit = getCursorASTUnit(cursor); 1305 CodeCompletionResult Result(namedDecl, CCP_Declaration); 1306 CodeCompletionString *String 1307 = Result.CreateCodeCompletionString(unit->getASTContext(), 1308 unit->getPreprocessor(), 1309 CodeCompletionContext::CCC_Other, 1310 unit->getCodeCompletionTUInfo().getAllocator(), 1311 unit->getCodeCompletionTUInfo(), 1312 true); 1313 return String; 1314 } 1315 } else if (kind == CXCursor_MacroDefinition) { 1316 const MacroDefinitionRecord *definition = getCursorMacroDefinition(cursor); 1317 const IdentifierInfo *MacroInfo = definition->getName(); 1318 ASTUnit *unit = getCursorASTUnit(cursor); 1319 CodeCompletionResult Result(MacroInfo); 1320 CodeCompletionString *String 1321 = Result.CreateCodeCompletionString(unit->getASTContext(), 1322 unit->getPreprocessor(), 1323 CodeCompletionContext::CCC_Other, 1324 unit->getCodeCompletionTUInfo().getAllocator(), 1325 unit->getCodeCompletionTUInfo(), 1326 false); 1327 return String; 1328 } 1329 return nullptr; 1330 } 1331 } // end: extern C. 1332 1333 namespace { 1334 struct OverridenCursorsPool { 1335 typedef SmallVector<CXCursor, 2> CursorVec; 1336 std::vector<CursorVec*> AllCursors; 1337 std::vector<CursorVec*> AvailableCursors; 1338 1339 ~OverridenCursorsPool() { 1340 for (std::vector<CursorVec*>::iterator I = AllCursors.begin(), 1341 E = AllCursors.end(); I != E; ++I) { 1342 delete *I; 1343 } 1344 } 1345 }; 1346 } 1347 1348 void *cxcursor::createOverridenCXCursorsPool() { 1349 return new OverridenCursorsPool(); 1350 } 1351 1352 void cxcursor::disposeOverridenCXCursorsPool(void *pool) { 1353 delete static_cast<OverridenCursorsPool*>(pool); 1354 } 1355 1356 extern "C" { 1357 void clang_getOverriddenCursors(CXCursor cursor, 1358 CXCursor **overridden, 1359 unsigned *num_overridden) { 1360 if (overridden) 1361 *overridden = nullptr; 1362 if (num_overridden) 1363 *num_overridden = 0; 1364 1365 CXTranslationUnit TU = cxcursor::getCursorTU(cursor); 1366 1367 if (!overridden || !num_overridden || !TU) 1368 return; 1369 1370 if (!clang_isDeclaration(cursor.kind)) 1371 return; 1372 1373 OverridenCursorsPool &pool = 1374 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1375 1376 OverridenCursorsPool::CursorVec *Vec = nullptr; 1377 1378 if (!pool.AvailableCursors.empty()) { 1379 Vec = pool.AvailableCursors.back(); 1380 pool.AvailableCursors.pop_back(); 1381 } 1382 else { 1383 Vec = new OverridenCursorsPool::CursorVec(); 1384 pool.AllCursors.push_back(Vec); 1385 } 1386 1387 // Clear out the vector, but don't free the memory contents. This 1388 // reduces malloc() traffic. 1389 Vec->clear(); 1390 1391 // Use the first entry to contain a back reference to the vector. 1392 // This is a complete hack. 1393 CXCursor backRefCursor = MakeCXCursorInvalid(CXCursor_InvalidFile, TU); 1394 backRefCursor.data[0] = Vec; 1395 assert(cxcursor::getCursorTU(backRefCursor) == TU); 1396 Vec->push_back(backRefCursor); 1397 1398 // Get the overriden cursors. 1399 cxcursor::getOverriddenCursors(cursor, *Vec); 1400 1401 // Did we get any overriden cursors? If not, return Vec to the pool 1402 // of available cursor vectors. 1403 if (Vec->size() == 1) { 1404 pool.AvailableCursors.push_back(Vec); 1405 return; 1406 } 1407 1408 // Now tell the caller about the overriden cursors. 1409 assert(Vec->size() > 1); 1410 *overridden = &((*Vec)[1]); 1411 *num_overridden = Vec->size() - 1; 1412 } 1413 1414 void clang_disposeOverriddenCursors(CXCursor *overridden) { 1415 if (!overridden) 1416 return; 1417 1418 // Use pointer arithmetic to get back the first faux entry 1419 // which has a back-reference to the TU and the vector. 1420 --overridden; 1421 OverridenCursorsPool::CursorVec *Vec = 1422 static_cast<OverridenCursorsPool::CursorVec *>( 1423 const_cast<void *>(overridden->data[0])); 1424 CXTranslationUnit TU = getCursorTU(*overridden); 1425 1426 assert(Vec && TU); 1427 1428 OverridenCursorsPool &pool = 1429 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1430 1431 pool.AvailableCursors.push_back(Vec); 1432 } 1433 1434 int clang_Cursor_isDynamicCall(CXCursor C) { 1435 const Expr *E = nullptr; 1436 if (clang_isExpression(C.kind)) 1437 E = getCursorExpr(C); 1438 if (!E) 1439 return 0; 1440 1441 if (const ObjCMessageExpr *MsgE = dyn_cast<ObjCMessageExpr>(E)) { 1442 if (MsgE->getReceiverKind() != ObjCMessageExpr::Instance) 1443 return false; 1444 if (auto *RecE = dyn_cast<ObjCMessageExpr>( 1445 MsgE->getInstanceReceiver()->IgnoreParenCasts())) { 1446 if (RecE->getMethodFamily() == OMF_alloc) 1447 return false; 1448 } 1449 return true; 1450 } 1451 1452 const MemberExpr *ME = nullptr; 1453 if (isa<MemberExpr>(E)) 1454 ME = cast<MemberExpr>(E); 1455 else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) 1456 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); 1457 1458 if (ME) { 1459 if (const CXXMethodDecl * 1460 MD = dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) 1461 return MD->isVirtual() && !ME->hasQualifier(); 1462 } 1463 1464 return 0; 1465 } 1466 1467 CXType clang_Cursor_getReceiverType(CXCursor C) { 1468 CXTranslationUnit TU = cxcursor::getCursorTU(C); 1469 const Expr *E = nullptr; 1470 if (clang_isExpression(C.kind)) 1471 E = getCursorExpr(C); 1472 1473 if (const ObjCMessageExpr *MsgE = dyn_cast_or_null<ObjCMessageExpr>(E)) 1474 return cxtype::MakeCXType(MsgE->getReceiverType(), TU); 1475 1476 return cxtype::MakeCXType(QualType(), TU); 1477 } 1478 1479 } // end: extern "C" 1480