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