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