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, { 0, 0, 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 } 54 55 return CXCursor_UnexposedAttr; 56 } 57 58 CXCursor cxcursor::MakeCXCursor(const Attr *A, const Decl *Parent, 59 CXTranslationUnit TU) { 60 assert(A && Parent && TU && "Invalid arguments!"); 61 CXCursor C = { GetCursorKind(A), 0, { Parent, A, TU } }; 62 return C; 63 } 64 65 CXCursor cxcursor::MakeCXCursor(const Decl *D, CXTranslationUnit TU, 66 SourceRange RegionOfInterest, 67 bool FirstInDeclGroup) { 68 assert(D && TU && "Invalid arguments!"); 69 70 CXCursorKind K = getCursorKindForDecl(D); 71 72 if (K == CXCursor_ObjCClassMethodDecl || 73 K == CXCursor_ObjCInstanceMethodDecl) { 74 int SelectorIdIndex = -1; 75 // Check if cursor points to a selector id. 76 if (RegionOfInterest.isValid() && 77 RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) { 78 SmallVector<SourceLocation, 16> SelLocs; 79 cast<ObjCMethodDecl>(D)->getSelectorLocs(SelLocs); 80 SmallVectorImpl<SourceLocation>::iterator 81 I=std::find(SelLocs.begin(), SelLocs.end(),RegionOfInterest.getBegin()); 82 if (I != SelLocs.end()) 83 SelectorIdIndex = I - SelLocs.begin(); 84 } 85 CXCursor C = { K, SelectorIdIndex, 86 { D, (void*)(intptr_t) (FirstInDeclGroup ? 1 : 0), TU }}; 87 return C; 88 } 89 90 CXCursor C = { K, 0, { D, (void*)(intptr_t) (FirstInDeclGroup ? 1 : 0), TU }}; 91 return C; 92 } 93 94 CXCursor cxcursor::MakeCXCursor(const Stmt *S, const Decl *Parent, 95 CXTranslationUnit TU, 96 SourceRange RegionOfInterest) { 97 assert(S && TU && "Invalid arguments!"); 98 CXCursorKind K = CXCursor_NotImplemented; 99 100 switch (S->getStmtClass()) { 101 case Stmt::NoStmtClass: 102 break; 103 104 case Stmt::CaseStmtClass: 105 K = CXCursor_CaseStmt; 106 break; 107 108 case Stmt::DefaultStmtClass: 109 K = CXCursor_DefaultStmt; 110 break; 111 112 case Stmt::IfStmtClass: 113 K = CXCursor_IfStmt; 114 break; 115 116 case Stmt::SwitchStmtClass: 117 K = CXCursor_SwitchStmt; 118 break; 119 120 case Stmt::WhileStmtClass: 121 K = CXCursor_WhileStmt; 122 break; 123 124 case Stmt::DoStmtClass: 125 K = CXCursor_DoStmt; 126 break; 127 128 case Stmt::ForStmtClass: 129 K = CXCursor_ForStmt; 130 break; 131 132 case Stmt::GotoStmtClass: 133 K = CXCursor_GotoStmt; 134 break; 135 136 case Stmt::IndirectGotoStmtClass: 137 K = CXCursor_IndirectGotoStmt; 138 break; 139 140 case Stmt::ContinueStmtClass: 141 K = CXCursor_ContinueStmt; 142 break; 143 144 case Stmt::BreakStmtClass: 145 K = CXCursor_BreakStmt; 146 break; 147 148 case Stmt::ReturnStmtClass: 149 K = CXCursor_ReturnStmt; 150 break; 151 152 case Stmt::GCCAsmStmtClass: 153 K = CXCursor_GCCAsmStmt; 154 break; 155 156 case Stmt::MSAsmStmtClass: 157 K = CXCursor_MSAsmStmt; 158 break; 159 160 case Stmt::ObjCAtTryStmtClass: 161 K = CXCursor_ObjCAtTryStmt; 162 break; 163 164 case Stmt::ObjCAtCatchStmtClass: 165 K = CXCursor_ObjCAtCatchStmt; 166 break; 167 168 case Stmt::ObjCAtFinallyStmtClass: 169 K = CXCursor_ObjCAtFinallyStmt; 170 break; 171 172 case Stmt::ObjCAtThrowStmtClass: 173 K = CXCursor_ObjCAtThrowStmt; 174 break; 175 176 case Stmt::ObjCAtSynchronizedStmtClass: 177 K = CXCursor_ObjCAtSynchronizedStmt; 178 break; 179 180 case Stmt::ObjCAutoreleasePoolStmtClass: 181 K = CXCursor_ObjCAutoreleasePoolStmt; 182 break; 183 184 case Stmt::ObjCForCollectionStmtClass: 185 K = CXCursor_ObjCForCollectionStmt; 186 break; 187 188 case Stmt::CXXCatchStmtClass: 189 K = CXCursor_CXXCatchStmt; 190 break; 191 192 case Stmt::CXXTryStmtClass: 193 K = CXCursor_CXXTryStmt; 194 break; 195 196 case Stmt::CXXForRangeStmtClass: 197 K = CXCursor_CXXForRangeStmt; 198 break; 199 200 case Stmt::SEHTryStmtClass: 201 K = CXCursor_SEHTryStmt; 202 break; 203 204 case Stmt::SEHExceptStmtClass: 205 K = CXCursor_SEHExceptStmt; 206 break; 207 208 case Stmt::SEHFinallyStmtClass: 209 K = CXCursor_SEHFinallyStmt; 210 break; 211 212 case Stmt::ArrayTypeTraitExprClass: 213 case Stmt::AsTypeExprClass: 214 case Stmt::AtomicExprClass: 215 case Stmt::BinaryConditionalOperatorClass: 216 case Stmt::BinaryTypeTraitExprClass: 217 case Stmt::TypeTraitExprClass: 218 case Stmt::CXXBindTemporaryExprClass: 219 case Stmt::CXXDefaultArgExprClass: 220 case Stmt::CXXDefaultInitExprClass: 221 case Stmt::CXXStdInitializerListExprClass: 222 case Stmt::CXXScalarValueInitExprClass: 223 case Stmt::CXXUuidofExprClass: 224 case Stmt::ChooseExprClass: 225 case Stmt::DesignatedInitExprClass: 226 case Stmt::ExprWithCleanupsClass: 227 case Stmt::ExpressionTraitExprClass: 228 case Stmt::ExtVectorElementExprClass: 229 case Stmt::ImplicitCastExprClass: 230 case Stmt::ImplicitValueInitExprClass: 231 case Stmt::MaterializeTemporaryExprClass: 232 case Stmt::ObjCIndirectCopyRestoreExprClass: 233 case Stmt::OffsetOfExprClass: 234 case Stmt::ParenListExprClass: 235 case Stmt::PredefinedExprClass: 236 case Stmt::ShuffleVectorExprClass: 237 case Stmt::ConvertVectorExprClass: 238 case Stmt::UnaryExprOrTypeTraitExprClass: 239 case Stmt::UnaryTypeTraitExprClass: 240 case Stmt::VAArgExprClass: 241 case Stmt::ObjCArrayLiteralClass: 242 case Stmt::ObjCDictionaryLiteralClass: 243 case Stmt::ObjCBoxedExprClass: 244 case Stmt::ObjCSubscriptRefExprClass: 245 K = CXCursor_UnexposedExpr; 246 break; 247 248 case Stmt::OpaqueValueExprClass: 249 if (Expr *Src = cast<OpaqueValueExpr>(S)->getSourceExpr()) 250 return MakeCXCursor(Src, Parent, TU, RegionOfInterest); 251 K = CXCursor_UnexposedExpr; 252 break; 253 254 case Stmt::PseudoObjectExprClass: 255 return MakeCXCursor(cast<PseudoObjectExpr>(S)->getSyntacticForm(), 256 Parent, TU, RegionOfInterest); 257 258 case Stmt::CompoundStmtClass: 259 K = CXCursor_CompoundStmt; 260 break; 261 262 case Stmt::NullStmtClass: 263 K = CXCursor_NullStmt; 264 break; 265 266 case Stmt::LabelStmtClass: 267 K = CXCursor_LabelStmt; 268 break; 269 270 case Stmt::AttributedStmtClass: 271 K = CXCursor_UnexposedStmt; 272 break; 273 274 case Stmt::DeclStmtClass: 275 K = CXCursor_DeclStmt; 276 break; 277 278 case Stmt::CapturedStmtClass: 279 K = CXCursor_UnexposedStmt; 280 break; 281 282 case Stmt::IntegerLiteralClass: 283 K = CXCursor_IntegerLiteral; 284 break; 285 286 case Stmt::FloatingLiteralClass: 287 K = CXCursor_FloatingLiteral; 288 break; 289 290 case Stmt::ImaginaryLiteralClass: 291 K = CXCursor_ImaginaryLiteral; 292 break; 293 294 case Stmt::StringLiteralClass: 295 K = CXCursor_StringLiteral; 296 break; 297 298 case Stmt::CharacterLiteralClass: 299 K = CXCursor_CharacterLiteral; 300 break; 301 302 case Stmt::ParenExprClass: 303 K = CXCursor_ParenExpr; 304 break; 305 306 case Stmt::UnaryOperatorClass: 307 K = CXCursor_UnaryOperator; 308 break; 309 310 case Stmt::CXXNoexceptExprClass: 311 K = CXCursor_UnaryExpr; 312 break; 313 314 case Stmt::ArraySubscriptExprClass: 315 K = CXCursor_ArraySubscriptExpr; 316 break; 317 318 case Stmt::BinaryOperatorClass: 319 K = CXCursor_BinaryOperator; 320 break; 321 322 case Stmt::CompoundAssignOperatorClass: 323 K = CXCursor_CompoundAssignOperator; 324 break; 325 326 case Stmt::ConditionalOperatorClass: 327 K = CXCursor_ConditionalOperator; 328 break; 329 330 case Stmt::CStyleCastExprClass: 331 K = CXCursor_CStyleCastExpr; 332 break; 333 334 case Stmt::CompoundLiteralExprClass: 335 K = CXCursor_CompoundLiteralExpr; 336 break; 337 338 case Stmt::InitListExprClass: 339 K = CXCursor_InitListExpr; 340 break; 341 342 case Stmt::AddrLabelExprClass: 343 K = CXCursor_AddrLabelExpr; 344 break; 345 346 case Stmt::StmtExprClass: 347 K = CXCursor_StmtExpr; 348 break; 349 350 case Stmt::GenericSelectionExprClass: 351 K = CXCursor_GenericSelectionExpr; 352 break; 353 354 case Stmt::GNUNullExprClass: 355 K = CXCursor_GNUNullExpr; 356 break; 357 358 case Stmt::CXXStaticCastExprClass: 359 K = CXCursor_CXXStaticCastExpr; 360 break; 361 362 case Stmt::CXXDynamicCastExprClass: 363 K = CXCursor_CXXDynamicCastExpr; 364 break; 365 366 case Stmt::CXXReinterpretCastExprClass: 367 K = CXCursor_CXXReinterpretCastExpr; 368 break; 369 370 case Stmt::CXXConstCastExprClass: 371 K = CXCursor_CXXConstCastExpr; 372 break; 373 374 case Stmt::CXXFunctionalCastExprClass: 375 K = CXCursor_CXXFunctionalCastExpr; 376 break; 377 378 case Stmt::CXXTypeidExprClass: 379 K = CXCursor_CXXTypeidExpr; 380 break; 381 382 case Stmt::CXXBoolLiteralExprClass: 383 K = CXCursor_CXXBoolLiteralExpr; 384 break; 385 386 case Stmt::CXXNullPtrLiteralExprClass: 387 K = CXCursor_CXXNullPtrLiteralExpr; 388 break; 389 390 case Stmt::CXXThisExprClass: 391 K = CXCursor_CXXThisExpr; 392 break; 393 394 case Stmt::CXXThrowExprClass: 395 K = CXCursor_CXXThrowExpr; 396 break; 397 398 case Stmt::CXXNewExprClass: 399 K = CXCursor_CXXNewExpr; 400 break; 401 402 case Stmt::CXXDeleteExprClass: 403 K = CXCursor_CXXDeleteExpr; 404 break; 405 406 case Stmt::ObjCStringLiteralClass: 407 K = CXCursor_ObjCStringLiteral; 408 break; 409 410 case Stmt::ObjCEncodeExprClass: 411 K = CXCursor_ObjCEncodeExpr; 412 break; 413 414 case Stmt::ObjCSelectorExprClass: 415 K = CXCursor_ObjCSelectorExpr; 416 break; 417 418 case Stmt::ObjCProtocolExprClass: 419 K = CXCursor_ObjCProtocolExpr; 420 break; 421 422 case Stmt::ObjCBoolLiteralExprClass: 423 K = CXCursor_ObjCBoolLiteralExpr; 424 break; 425 426 case Stmt::ObjCBridgedCastExprClass: 427 K = CXCursor_ObjCBridgedCastExpr; 428 break; 429 430 case Stmt::BlockExprClass: 431 K = CXCursor_BlockExpr; 432 break; 433 434 case Stmt::PackExpansionExprClass: 435 K = CXCursor_PackExpansionExpr; 436 break; 437 438 case Stmt::SizeOfPackExprClass: 439 K = CXCursor_SizeOfPackExpr; 440 break; 441 442 case Stmt::DeclRefExprClass: 443 if (const ImplicitParamDecl *IPD = 444 dyn_cast_or_null<ImplicitParamDecl>(cast<DeclRefExpr>(S)->getDecl())) { 445 if (const ObjCMethodDecl *MD = 446 dyn_cast<ObjCMethodDecl>(IPD->getDeclContext())) { 447 if (MD->getSelfDecl() == IPD) { 448 K = CXCursor_ObjCSelfExpr; 449 break; 450 } 451 } 452 } 453 454 K = CXCursor_DeclRefExpr; 455 break; 456 457 case Stmt::DependentScopeDeclRefExprClass: 458 case Stmt::SubstNonTypeTemplateParmExprClass: 459 case Stmt::SubstNonTypeTemplateParmPackExprClass: 460 case Stmt::FunctionParmPackExprClass: 461 case Stmt::UnresolvedLookupExprClass: 462 K = CXCursor_DeclRefExpr; 463 break; 464 465 case Stmt::CXXDependentScopeMemberExprClass: 466 case Stmt::CXXPseudoDestructorExprClass: 467 case Stmt::MemberExprClass: 468 case Stmt::MSPropertyRefExprClass: 469 case Stmt::ObjCIsaExprClass: 470 case Stmt::ObjCIvarRefExprClass: 471 case Stmt::ObjCPropertyRefExprClass: 472 case Stmt::UnresolvedMemberExprClass: 473 K = CXCursor_MemberRefExpr; 474 break; 475 476 case Stmt::CallExprClass: 477 case Stmt::CXXOperatorCallExprClass: 478 case Stmt::CXXMemberCallExprClass: 479 case Stmt::CUDAKernelCallExprClass: 480 case Stmt::CXXConstructExprClass: 481 case Stmt::CXXTemporaryObjectExprClass: 482 case Stmt::CXXUnresolvedConstructExprClass: 483 case Stmt::UserDefinedLiteralClass: 484 K = CXCursor_CallExpr; 485 break; 486 487 case Stmt::LambdaExprClass: 488 K = CXCursor_LambdaExpr; 489 break; 490 491 case Stmt::ObjCMessageExprClass: { 492 K = CXCursor_ObjCMessageExpr; 493 int SelectorIdIndex = -1; 494 // Check if cursor points to a selector id. 495 if (RegionOfInterest.isValid() && 496 RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) { 497 SmallVector<SourceLocation, 16> SelLocs; 498 cast<ObjCMessageExpr>(S)->getSelectorLocs(SelLocs); 499 SmallVectorImpl<SourceLocation>::iterator 500 I=std::find(SelLocs.begin(), SelLocs.end(),RegionOfInterest.getBegin()); 501 if (I != SelLocs.end()) 502 SelectorIdIndex = I - SelLocs.begin(); 503 } 504 CXCursor C = { K, 0, { Parent, S, TU } }; 505 return getSelectorIdentifierCursor(SelectorIdIndex, C); 506 } 507 508 case Stmt::MSDependentExistsStmtClass: 509 K = CXCursor_UnexposedStmt; 510 break; 511 case Stmt::OMPParallelDirectiveClass: 512 K = CXCursor_OMPParallelDirective; 513 break; 514 515 } 516 517 CXCursor C = { K, 0, { Parent, S, TU } }; 518 return C; 519 } 520 521 CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super, 522 SourceLocation Loc, 523 CXTranslationUnit TU) { 524 assert(Super && TU && "Invalid arguments!"); 525 void *RawLoc = Loc.getPtrEncoding(); 526 CXCursor C = { CXCursor_ObjCSuperClassRef, 0, { Super, RawLoc, TU } }; 527 return C; 528 } 529 530 std::pair<const ObjCInterfaceDecl *, SourceLocation> 531 cxcursor::getCursorObjCSuperClassRef(CXCursor C) { 532 assert(C.kind == CXCursor_ObjCSuperClassRef); 533 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 534 SourceLocation::getFromPtrEncoding(C.data[1])); 535 } 536 537 CXCursor cxcursor::MakeCursorObjCProtocolRef(const ObjCProtocolDecl *Proto, 538 SourceLocation Loc, 539 CXTranslationUnit TU) { 540 assert(Proto && TU && "Invalid arguments!"); 541 void *RawLoc = Loc.getPtrEncoding(); 542 CXCursor C = { CXCursor_ObjCProtocolRef, 0, { Proto, RawLoc, TU } }; 543 return C; 544 } 545 546 std::pair<const ObjCProtocolDecl *, SourceLocation> 547 cxcursor::getCursorObjCProtocolRef(CXCursor C) { 548 assert(C.kind == CXCursor_ObjCProtocolRef); 549 return std::make_pair(static_cast<const ObjCProtocolDecl *>(C.data[0]), 550 SourceLocation::getFromPtrEncoding(C.data[1])); 551 } 552 553 CXCursor cxcursor::MakeCursorObjCClassRef(const ObjCInterfaceDecl *Class, 554 SourceLocation Loc, 555 CXTranslationUnit TU) { 556 // 'Class' can be null for invalid code. 557 if (!Class) 558 return MakeCXCursorInvalid(CXCursor_InvalidCode); 559 assert(TU && "Invalid arguments!"); 560 void *RawLoc = Loc.getPtrEncoding(); 561 CXCursor C = { CXCursor_ObjCClassRef, 0, { Class, RawLoc, TU } }; 562 return C; 563 } 564 565 std::pair<const ObjCInterfaceDecl *, SourceLocation> 566 cxcursor::getCursorObjCClassRef(CXCursor C) { 567 assert(C.kind == CXCursor_ObjCClassRef); 568 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]), 569 SourceLocation::getFromPtrEncoding(C.data[1])); 570 } 571 572 CXCursor cxcursor::MakeCursorTypeRef(const TypeDecl *Type, SourceLocation Loc, 573 CXTranslationUnit TU) { 574 assert(Type && TU && "Invalid arguments!"); 575 void *RawLoc = Loc.getPtrEncoding(); 576 CXCursor C = { CXCursor_TypeRef, 0, { Type, RawLoc, TU } }; 577 return C; 578 } 579 580 std::pair<const TypeDecl *, SourceLocation> 581 cxcursor::getCursorTypeRef(CXCursor C) { 582 assert(C.kind == CXCursor_TypeRef); 583 return std::make_pair(static_cast<const TypeDecl *>(C.data[0]), 584 SourceLocation::getFromPtrEncoding(C.data[1])); 585 } 586 587 CXCursor cxcursor::MakeCursorTemplateRef(const TemplateDecl *Template, 588 SourceLocation Loc, 589 CXTranslationUnit TU) { 590 assert(Template && TU && "Invalid arguments!"); 591 void *RawLoc = Loc.getPtrEncoding(); 592 CXCursor C = { CXCursor_TemplateRef, 0, { Template, RawLoc, TU } }; 593 return C; 594 } 595 596 std::pair<const TemplateDecl *, SourceLocation> 597 cxcursor::getCursorTemplateRef(CXCursor C) { 598 assert(C.kind == CXCursor_TemplateRef); 599 return std::make_pair(static_cast<const TemplateDecl *>(C.data[0]), 600 SourceLocation::getFromPtrEncoding(C.data[1])); 601 } 602 603 CXCursor cxcursor::MakeCursorNamespaceRef(const NamedDecl *NS, 604 SourceLocation Loc, 605 CXTranslationUnit TU) { 606 607 assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU && 608 "Invalid arguments!"); 609 void *RawLoc = Loc.getPtrEncoding(); 610 CXCursor C = { CXCursor_NamespaceRef, 0, { NS, RawLoc, TU } }; 611 return C; 612 } 613 614 std::pair<const NamedDecl *, SourceLocation> 615 cxcursor::getCursorNamespaceRef(CXCursor C) { 616 assert(C.kind == CXCursor_NamespaceRef); 617 return std::make_pair(static_cast<const NamedDecl *>(C.data[0]), 618 SourceLocation::getFromPtrEncoding(C.data[1])); 619 } 620 621 CXCursor cxcursor::MakeCursorVariableRef(const VarDecl *Var, SourceLocation Loc, 622 CXTranslationUnit TU) { 623 624 assert(Var && TU && "Invalid arguments!"); 625 void *RawLoc = Loc.getPtrEncoding(); 626 CXCursor C = { CXCursor_VariableRef, 0, { Var, RawLoc, TU } }; 627 return C; 628 } 629 630 std::pair<const VarDecl *, SourceLocation> 631 cxcursor::getCursorVariableRef(CXCursor C) { 632 assert(C.kind == CXCursor_VariableRef); 633 return std::make_pair(static_cast<const VarDecl *>(C.data[0]), 634 SourceLocation::getFromPtrEncoding(C.data[1])); 635 } 636 637 CXCursor cxcursor::MakeCursorMemberRef(const FieldDecl *Field, SourceLocation Loc, 638 CXTranslationUnit TU) { 639 640 assert(Field && TU && "Invalid arguments!"); 641 void *RawLoc = Loc.getPtrEncoding(); 642 CXCursor C = { CXCursor_MemberRef, 0, { Field, RawLoc, TU } }; 643 return C; 644 } 645 646 std::pair<const FieldDecl *, SourceLocation> 647 cxcursor::getCursorMemberRef(CXCursor C) { 648 assert(C.kind == CXCursor_MemberRef); 649 return std::make_pair(static_cast<const FieldDecl *>(C.data[0]), 650 SourceLocation::getFromPtrEncoding(C.data[1])); 651 } 652 653 CXCursor cxcursor::MakeCursorCXXBaseSpecifier(const CXXBaseSpecifier *B, 654 CXTranslationUnit TU){ 655 CXCursor C = { CXCursor_CXXBaseSpecifier, 0, { B, 0, TU } }; 656 return C; 657 } 658 659 const CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) { 660 assert(C.kind == CXCursor_CXXBaseSpecifier); 661 return static_cast<const CXXBaseSpecifier*>(C.data[0]); 662 } 663 664 CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range, 665 CXTranslationUnit TU) { 666 CXCursor C = { CXCursor_PreprocessingDirective, 0, 667 { Range.getBegin().getPtrEncoding(), 668 Range.getEnd().getPtrEncoding(), 669 TU } 670 }; 671 return C; 672 } 673 674 SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) { 675 assert(C.kind == CXCursor_PreprocessingDirective); 676 SourceRange Range(SourceLocation::getFromPtrEncoding(C.data[0]), 677 SourceLocation::getFromPtrEncoding(C.data[1])); 678 ASTUnit *TU = getCursorASTUnit(C); 679 return TU->mapRangeFromPreamble(Range); 680 } 681 682 CXCursor cxcursor::MakeMacroDefinitionCursor(const MacroDefinition *MI, 683 CXTranslationUnit TU) { 684 CXCursor C = { CXCursor_MacroDefinition, 0, { MI, 0, TU } }; 685 return C; 686 } 687 688 const MacroDefinition *cxcursor::getCursorMacroDefinition(CXCursor C) { 689 assert(C.kind == CXCursor_MacroDefinition); 690 return static_cast<const MacroDefinition *>(C.data[0]); 691 } 692 693 CXCursor cxcursor::MakeMacroExpansionCursor(MacroExpansion *MI, 694 CXTranslationUnit TU) { 695 CXCursor C = { CXCursor_MacroExpansion, 0, { MI, 0, TU } }; 696 return C; 697 } 698 699 CXCursor cxcursor::MakeMacroExpansionCursor(MacroDefinition *MI, 700 SourceLocation Loc, 701 CXTranslationUnit TU) { 702 assert(Loc.isValid()); 703 CXCursor C = { CXCursor_MacroExpansion, 0, { MI, Loc.getPtrEncoding(), TU } }; 704 return C; 705 } 706 707 const IdentifierInfo *cxcursor::MacroExpansionCursor::getName() const { 708 if (isPseudo()) 709 return getAsMacroDefinition()->getName(); 710 return getAsMacroExpansion()->getName(); 711 } 712 const MacroDefinition *cxcursor::MacroExpansionCursor::getDefinition() const { 713 if (isPseudo()) 714 return getAsMacroDefinition(); 715 return getAsMacroExpansion()->getDefinition(); 716 } 717 SourceRange cxcursor::MacroExpansionCursor::getSourceRange() const { 718 if (isPseudo()) 719 return getPseudoLoc(); 720 return getAsMacroExpansion()->getSourceRange(); 721 } 722 723 CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID, 724 CXTranslationUnit TU) { 725 CXCursor C = { CXCursor_InclusionDirective, 0, { ID, 0, TU } }; 726 return C; 727 } 728 729 const InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) { 730 assert(C.kind == CXCursor_InclusionDirective); 731 return static_cast<const InclusionDirective *>(C.data[0]); 732 } 733 734 CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc, 735 CXTranslationUnit TU) { 736 737 assert(Label && TU && "Invalid arguments!"); 738 void *RawLoc = Loc.getPtrEncoding(); 739 CXCursor C = { CXCursor_LabelRef, 0, { Label, RawLoc, TU } }; 740 return C; 741 } 742 743 std::pair<const LabelStmt *, SourceLocation> 744 cxcursor::getCursorLabelRef(CXCursor C) { 745 assert(C.kind == CXCursor_LabelRef); 746 return std::make_pair(static_cast<const LabelStmt *>(C.data[0]), 747 SourceLocation::getFromPtrEncoding(C.data[1])); 748 } 749 750 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const OverloadExpr *E, 751 CXTranslationUnit TU) { 752 assert(E && TU && "Invalid arguments!"); 753 OverloadedDeclRefStorage Storage(E); 754 void *RawLoc = E->getNameLoc().getPtrEncoding(); 755 CXCursor C = { 756 CXCursor_OverloadedDeclRef, 0, 757 { Storage.getOpaqueValue(), RawLoc, TU } 758 }; 759 return C; 760 } 761 762 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const Decl *D, 763 SourceLocation Loc, 764 CXTranslationUnit TU) { 765 assert(D && TU && "Invalid arguments!"); 766 void *RawLoc = Loc.getPtrEncoding(); 767 OverloadedDeclRefStorage Storage(D); 768 CXCursor C = { 769 CXCursor_OverloadedDeclRef, 0, 770 { Storage.getOpaqueValue(), RawLoc, TU } 771 }; 772 return C; 773 } 774 775 CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name, 776 SourceLocation Loc, 777 CXTranslationUnit TU) { 778 assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!"); 779 void *RawLoc = Loc.getPtrEncoding(); 780 OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate()); 781 CXCursor C = { 782 CXCursor_OverloadedDeclRef, 0, 783 { Storage.getOpaqueValue(), RawLoc, TU } 784 }; 785 return C; 786 } 787 788 std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation> 789 cxcursor::getCursorOverloadedDeclRef(CXCursor C) { 790 assert(C.kind == CXCursor_OverloadedDeclRef); 791 return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue( 792 const_cast<void *>(C.data[0])), 793 SourceLocation::getFromPtrEncoding(C.data[1])); 794 } 795 796 const Decl *cxcursor::getCursorDecl(CXCursor Cursor) { 797 return static_cast<const Decl *>(Cursor.data[0]); 798 } 799 800 const Expr *cxcursor::getCursorExpr(CXCursor Cursor) { 801 return dyn_cast_or_null<Expr>(getCursorStmt(Cursor)); 802 } 803 804 const Stmt *cxcursor::getCursorStmt(CXCursor Cursor) { 805 if (Cursor.kind == CXCursor_ObjCSuperClassRef || 806 Cursor.kind == CXCursor_ObjCProtocolRef || 807 Cursor.kind == CXCursor_ObjCClassRef) 808 return 0; 809 810 return static_cast<const Stmt *>(Cursor.data[1]); 811 } 812 813 const Attr *cxcursor::getCursorAttr(CXCursor Cursor) { 814 return static_cast<const Attr *>(Cursor.data[1]); 815 } 816 817 const Decl *cxcursor::getCursorParentDecl(CXCursor Cursor) { 818 return static_cast<const Decl *>(Cursor.data[0]); 819 } 820 821 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { 822 return getCursorASTUnit(Cursor)->getASTContext(); 823 } 824 825 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { 826 CXTranslationUnit TU = getCursorTU(Cursor); 827 if (!TU) 828 return 0; 829 return cxtu::getASTUnit(TU); 830 } 831 832 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { 833 return static_cast<CXTranslationUnit>(const_cast<void*>(Cursor.data[2])); 834 } 835 836 void cxcursor::getOverriddenCursors(CXCursor cursor, 837 SmallVectorImpl<CXCursor> &overridden) { 838 assert(clang_isDeclaration(cursor.kind)); 839 const NamedDecl *D = dyn_cast_or_null<NamedDecl>(getCursorDecl(cursor)); 840 if (!D) 841 return; 842 843 CXTranslationUnit TU = getCursorTU(cursor); 844 SmallVector<const NamedDecl *, 8> OverDecls; 845 D->getASTContext().getOverriddenMethods(D, OverDecls); 846 847 for (SmallVectorImpl<const NamedDecl *>::iterator 848 I = OverDecls.begin(), E = OverDecls.end(); I != E; ++I) { 849 overridden.push_back(MakeCXCursor(*I, TU)); 850 } 851 } 852 853 std::pair<int, SourceLocation> 854 cxcursor::getSelectorIdentifierIndexAndLoc(CXCursor cursor) { 855 if (cursor.kind == CXCursor_ObjCMessageExpr) { 856 if (cursor.xdata != -1) 857 return std::make_pair(cursor.xdata, 858 cast<ObjCMessageExpr>(getCursorExpr(cursor)) 859 ->getSelectorLoc(cursor.xdata)); 860 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 861 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 862 if (cursor.xdata != -1) 863 return std::make_pair(cursor.xdata, 864 cast<ObjCMethodDecl>(getCursorDecl(cursor)) 865 ->getSelectorLoc(cursor.xdata)); 866 } 867 868 return std::make_pair(-1, SourceLocation()); 869 } 870 871 CXCursor cxcursor::getSelectorIdentifierCursor(int SelIdx, CXCursor cursor) { 872 CXCursor newCursor = cursor; 873 874 if (cursor.kind == CXCursor_ObjCMessageExpr) { 875 if (SelIdx == -1 || 876 unsigned(SelIdx) >= cast<ObjCMessageExpr>(getCursorExpr(cursor)) 877 ->getNumSelectorLocs()) 878 newCursor.xdata = -1; 879 else 880 newCursor.xdata = SelIdx; 881 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || 882 cursor.kind == CXCursor_ObjCInstanceMethodDecl) { 883 if (SelIdx == -1 || 884 unsigned(SelIdx) >= cast<ObjCMethodDecl>(getCursorDecl(cursor)) 885 ->getNumSelectorLocs()) 886 newCursor.xdata = -1; 887 else 888 newCursor.xdata = SelIdx; 889 } 890 891 return newCursor; 892 } 893 894 CXCursor cxcursor::getTypeRefCursor(CXCursor cursor) { 895 if (cursor.kind != CXCursor_CallExpr) 896 return cursor; 897 898 if (cursor.xdata == 0) 899 return cursor; 900 901 const Expr *E = getCursorExpr(cursor); 902 TypeSourceInfo *Type = 0; 903 if (const CXXUnresolvedConstructExpr * 904 UnCtor = dyn_cast<CXXUnresolvedConstructExpr>(E)) { 905 Type = UnCtor->getTypeSourceInfo(); 906 } else if (const CXXTemporaryObjectExpr *Tmp = 907 dyn_cast<CXXTemporaryObjectExpr>(E)){ 908 Type = Tmp->getTypeSourceInfo(); 909 } 910 911 if (!Type) 912 return cursor; 913 914 CXTranslationUnit TU = getCursorTU(cursor); 915 QualType Ty = Type->getType(); 916 TypeLoc TL = Type->getTypeLoc(); 917 SourceLocation Loc = TL.getBeginLoc(); 918 919 if (const ElaboratedType *ElabT = Ty->getAs<ElaboratedType>()) { 920 Ty = ElabT->getNamedType(); 921 ElaboratedTypeLoc ElabTL = TL.castAs<ElaboratedTypeLoc>(); 922 Loc = ElabTL.getNamedTypeLoc().getBeginLoc(); 923 } 924 925 if (const TypedefType *Typedef = Ty->getAs<TypedefType>()) 926 return MakeCursorTypeRef(Typedef->getDecl(), Loc, TU); 927 if (const TagType *Tag = Ty->getAs<TagType>()) 928 return MakeCursorTypeRef(Tag->getDecl(), Loc, TU); 929 if (const TemplateTypeParmType *TemplP = Ty->getAs<TemplateTypeParmType>()) 930 return MakeCursorTypeRef(TemplP->getDecl(), Loc, TU); 931 932 return cursor; 933 } 934 935 bool cxcursor::operator==(CXCursor X, CXCursor Y) { 936 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && 937 X.data[2] == Y.data[2]; 938 } 939 940 // FIXME: Remove once we can model DeclGroups and their appropriate ranges 941 // properly in the ASTs. 942 bool cxcursor::isFirstInDeclGroup(CXCursor C) { 943 assert(clang_isDeclaration(C.kind)); 944 return ((uintptr_t) (C.data[1])) != 0; 945 } 946 947 //===----------------------------------------------------------------------===// 948 // libclang CXCursor APIs 949 //===----------------------------------------------------------------------===// 950 951 extern "C" { 952 953 int clang_Cursor_isNull(CXCursor cursor) { 954 return clang_equalCursors(cursor, clang_getNullCursor()); 955 } 956 957 CXTranslationUnit clang_Cursor_getTranslationUnit(CXCursor cursor) { 958 return getCursorTU(cursor); 959 } 960 961 int clang_Cursor_getNumArguments(CXCursor C) { 962 if (clang_isDeclaration(C.kind)) { 963 const Decl *D = cxcursor::getCursorDecl(C); 964 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) 965 return MD->param_size(); 966 if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) 967 return FD->param_size(); 968 } 969 970 if (clang_isExpression(C.kind)) { 971 const Expr *E = cxcursor::getCursorExpr(C); 972 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 973 return CE->getNumArgs(); 974 } 975 } 976 977 return -1; 978 } 979 980 CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i) { 981 if (clang_isDeclaration(C.kind)) { 982 const Decl *D = cxcursor::getCursorDecl(C); 983 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) { 984 if (i < MD->param_size()) 985 return cxcursor::MakeCXCursor(MD->param_begin()[i], 986 cxcursor::getCursorTU(C)); 987 } else if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) { 988 if (i < FD->param_size()) 989 return cxcursor::MakeCXCursor(FD->param_begin()[i], 990 cxcursor::getCursorTU(C)); 991 } 992 } 993 994 if (clang_isExpression(C.kind)) { 995 const Expr *E = cxcursor::getCursorExpr(C); 996 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) { 997 if (i < CE->getNumArgs()) { 998 return cxcursor::MakeCXCursor(CE->getArg(i), 999 getCursorDecl(C), 1000 cxcursor::getCursorTU(C)); 1001 } 1002 } 1003 } 1004 1005 return clang_getNullCursor(); 1006 } 1007 1008 } // end: extern "C" 1009 1010 //===----------------------------------------------------------------------===// 1011 // CXCursorSet. 1012 //===----------------------------------------------------------------------===// 1013 1014 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; 1015 1016 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { 1017 return (CXCursorSet) setImpl; 1018 } 1019 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { 1020 return (CXCursorSet_Impl*) set; 1021 } 1022 namespace llvm { 1023 template<> struct DenseMapInfo<CXCursor> { 1024 public: 1025 static inline CXCursor getEmptyKey() { 1026 return MakeCXCursorInvalid(CXCursor_InvalidFile); 1027 } 1028 static inline CXCursor getTombstoneKey() { 1029 return MakeCXCursorInvalid(CXCursor_NoDeclFound); 1030 } 1031 static inline unsigned getHashValue(const CXCursor &cursor) { 1032 return llvm::DenseMapInfo<std::pair<const void *, const void *> > 1033 ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); 1034 } 1035 static inline bool isEqual(const CXCursor &x, const CXCursor &y) { 1036 return x.kind == y.kind && 1037 x.data[0] == y.data[0] && 1038 x.data[1] == y.data[1]; 1039 } 1040 }; 1041 } 1042 1043 extern "C" { 1044 CXCursorSet clang_createCXCursorSet() { 1045 return packCXCursorSet(new CXCursorSet_Impl()); 1046 } 1047 1048 void clang_disposeCXCursorSet(CXCursorSet set) { 1049 delete unpackCXCursorSet(set); 1050 } 1051 1052 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { 1053 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1054 if (!setImpl) 1055 return 0; 1056 return setImpl->find(cursor) != setImpl->end(); 1057 } 1058 1059 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { 1060 // Do not insert invalid cursors into the set. 1061 if (cursor.kind >= CXCursor_FirstInvalid && 1062 cursor.kind <= CXCursor_LastInvalid) 1063 return 1; 1064 1065 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); 1066 if (!setImpl) 1067 return 1; 1068 unsigned &entry = (*setImpl)[cursor]; 1069 unsigned flag = entry == 0 ? 1 : 0; 1070 entry = 1; 1071 return flag; 1072 } 1073 1074 CXCompletionString clang_getCursorCompletionString(CXCursor cursor) { 1075 enum CXCursorKind kind = clang_getCursorKind(cursor); 1076 if (clang_isDeclaration(kind)) { 1077 const Decl *decl = getCursorDecl(cursor); 1078 if (const NamedDecl *namedDecl = dyn_cast_or_null<NamedDecl>(decl)) { 1079 ASTUnit *unit = getCursorASTUnit(cursor); 1080 CodeCompletionResult Result(namedDecl, CCP_Declaration); 1081 CodeCompletionString *String 1082 = Result.CreateCodeCompletionString(unit->getASTContext(), 1083 unit->getPreprocessor(), 1084 unit->getCodeCompletionTUInfo().getAllocator(), 1085 unit->getCodeCompletionTUInfo(), 1086 true); 1087 return String; 1088 } 1089 } 1090 else if (kind == CXCursor_MacroDefinition) { 1091 const MacroDefinition *definition = getCursorMacroDefinition(cursor); 1092 const IdentifierInfo *MacroInfo = definition->getName(); 1093 ASTUnit *unit = getCursorASTUnit(cursor); 1094 CodeCompletionResult Result(MacroInfo); 1095 CodeCompletionString *String 1096 = Result.CreateCodeCompletionString(unit->getASTContext(), 1097 unit->getPreprocessor(), 1098 unit->getCodeCompletionTUInfo().getAllocator(), 1099 unit->getCodeCompletionTUInfo(), 1100 false); 1101 return String; 1102 } 1103 return NULL; 1104 } 1105 } // end: extern C. 1106 1107 namespace { 1108 struct OverridenCursorsPool { 1109 typedef SmallVector<CXCursor, 2> CursorVec; 1110 std::vector<CursorVec*> AllCursors; 1111 std::vector<CursorVec*> AvailableCursors; 1112 1113 ~OverridenCursorsPool() { 1114 for (std::vector<CursorVec*>::iterator I = AllCursors.begin(), 1115 E = AllCursors.end(); I != E; ++I) { 1116 delete *I; 1117 } 1118 } 1119 }; 1120 } 1121 1122 void *cxcursor::createOverridenCXCursorsPool() { 1123 return new OverridenCursorsPool(); 1124 } 1125 1126 void cxcursor::disposeOverridenCXCursorsPool(void *pool) { 1127 delete static_cast<OverridenCursorsPool*>(pool); 1128 } 1129 1130 extern "C" { 1131 void clang_getOverriddenCursors(CXCursor cursor, 1132 CXCursor **overridden, 1133 unsigned *num_overridden) { 1134 if (overridden) 1135 *overridden = 0; 1136 if (num_overridden) 1137 *num_overridden = 0; 1138 1139 CXTranslationUnit TU = cxcursor::getCursorTU(cursor); 1140 1141 if (!overridden || !num_overridden || !TU) 1142 return; 1143 1144 if (!clang_isDeclaration(cursor.kind)) 1145 return; 1146 1147 OverridenCursorsPool &pool = 1148 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1149 1150 OverridenCursorsPool::CursorVec *Vec = 0; 1151 1152 if (!pool.AvailableCursors.empty()) { 1153 Vec = pool.AvailableCursors.back(); 1154 pool.AvailableCursors.pop_back(); 1155 } 1156 else { 1157 Vec = new OverridenCursorsPool::CursorVec(); 1158 pool.AllCursors.push_back(Vec); 1159 } 1160 1161 // Clear out the vector, but don't free the memory contents. This 1162 // reduces malloc() traffic. 1163 Vec->clear(); 1164 1165 // Use the first entry to contain a back reference to the vector. 1166 // This is a complete hack. 1167 CXCursor backRefCursor = MakeCXCursorInvalid(CXCursor_InvalidFile, TU); 1168 backRefCursor.data[0] = Vec; 1169 assert(cxcursor::getCursorTU(backRefCursor) == TU); 1170 Vec->push_back(backRefCursor); 1171 1172 // Get the overriden cursors. 1173 cxcursor::getOverriddenCursors(cursor, *Vec); 1174 1175 // Did we get any overriden cursors? If not, return Vec to the pool 1176 // of available cursor vectors. 1177 if (Vec->size() == 1) { 1178 pool.AvailableCursors.push_back(Vec); 1179 return; 1180 } 1181 1182 // Now tell the caller about the overriden cursors. 1183 assert(Vec->size() > 1); 1184 *overridden = &((*Vec)[1]); 1185 *num_overridden = Vec->size() - 1; 1186 } 1187 1188 void clang_disposeOverriddenCursors(CXCursor *overridden) { 1189 if (!overridden) 1190 return; 1191 1192 // Use pointer arithmetic to get back the first faux entry 1193 // which has a back-reference to the TU and the vector. 1194 --overridden; 1195 OverridenCursorsPool::CursorVec *Vec = 1196 static_cast<OverridenCursorsPool::CursorVec *>( 1197 const_cast<void *>(overridden->data[0])); 1198 CXTranslationUnit TU = getCursorTU(*overridden); 1199 1200 assert(Vec && TU); 1201 1202 OverridenCursorsPool &pool = 1203 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); 1204 1205 pool.AvailableCursors.push_back(Vec); 1206 } 1207 1208 int clang_Cursor_isDynamicCall(CXCursor C) { 1209 const Expr *E = 0; 1210 if (clang_isExpression(C.kind)) 1211 E = getCursorExpr(C); 1212 if (!E) 1213 return 0; 1214 1215 if (const ObjCMessageExpr *MsgE = dyn_cast<ObjCMessageExpr>(E)) 1216 return MsgE->getReceiverKind() == ObjCMessageExpr::Instance; 1217 1218 const MemberExpr *ME = 0; 1219 if (isa<MemberExpr>(E)) 1220 ME = cast<MemberExpr>(E); 1221 else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) 1222 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); 1223 1224 if (ME) { 1225 if (const CXXMethodDecl * 1226 MD = dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) 1227 return MD->isVirtual() && !ME->hasQualifier(); 1228 } 1229 1230 return 0; 1231 } 1232 1233 CXType clang_Cursor_getReceiverType(CXCursor C) { 1234 CXTranslationUnit TU = cxcursor::getCursorTU(C); 1235 const Expr *E = 0; 1236 if (clang_isExpression(C.kind)) 1237 E = getCursorExpr(C); 1238 1239 if (const ObjCMessageExpr *MsgE = dyn_cast_or_null<ObjCMessageExpr>(E)) 1240 return cxtype::MakeCXType(MsgE->getReceiverType(), TU); 1241 1242 return cxtype::MakeCXType(QualType(), TU); 1243 } 1244 1245 } // end: extern "C" 1246