1 //===- CXCursor.cpp - Routines for manipulating CXCursors -----------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file defines routines for manipulating CXCursors. It should be the
10 // only file that has internal knowledge of the encoding of the data in
11 // CXCursor.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #include "CXCursor.h"
16 #include "CXString.h"
17 #include "CXTranslationUnit.h"
18 #include "CXType.h"
19 #include "clang-c/Index.h"
20 #include "clang/AST/Attr.h"
21 #include "clang/AST/Decl.h"
22 #include "clang/AST/DeclCXX.h"
23 #include "clang/AST/DeclObjC.h"
24 #include "clang/AST/DeclTemplate.h"
25 #include "clang/AST/Expr.h"
26 #include "clang/AST/ExprCXX.h"
27 #include "clang/AST/ExprObjC.h"
28 #include "clang/Frontend/ASTUnit.h"
29 #include "llvm/Support/ErrorHandling.h"
30 
31 using namespace clang;
32 using namespace cxcursor;
33 
MakeCXCursorInvalid(CXCursorKind K,CXTranslationUnit TU)34 CXCursor cxcursor::MakeCXCursorInvalid(CXCursorKind K, CXTranslationUnit TU) {
35   assert(K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid);
36   CXCursor C = {K, 0, {nullptr, nullptr, TU}};
37   return C;
38 }
39 
GetCursorKind(const Attr * A)40 static CXCursorKind GetCursorKind(const Attr *A) {
41   assert(A && "Invalid arguments!");
42   switch (A->getKind()) {
43   default:
44     break;
45   case attr::IBAction:
46     return CXCursor_IBActionAttr;
47   case attr::IBOutlet:
48     return CXCursor_IBOutletAttr;
49   case attr::IBOutletCollection:
50     return CXCursor_IBOutletCollectionAttr;
51   case attr::Final:
52     return CXCursor_CXXFinalAttr;
53   case attr::Override:
54     return CXCursor_CXXOverrideAttr;
55   case attr::Annotate:
56     return CXCursor_AnnotateAttr;
57   case attr::AsmLabel:
58     return CXCursor_AsmLabelAttr;
59   case attr::Packed:
60     return CXCursor_PackedAttr;
61   case attr::Pure:
62     return CXCursor_PureAttr;
63   case attr::Const:
64     return CXCursor_ConstAttr;
65   case attr::NoDuplicate:
66     return CXCursor_NoDuplicateAttr;
67   case attr::CUDAConstant:
68     return CXCursor_CUDAConstantAttr;
69   case attr::CUDADevice:
70     return CXCursor_CUDADeviceAttr;
71   case attr::CUDAGlobal:
72     return CXCursor_CUDAGlobalAttr;
73   case attr::CUDAHost:
74     return CXCursor_CUDAHostAttr;
75   case attr::CUDAShared:
76     return CXCursor_CUDASharedAttr;
77   case attr::Visibility:
78     return CXCursor_VisibilityAttr;
79   case attr::DLLExport:
80     return CXCursor_DLLExport;
81   case attr::DLLImport:
82     return CXCursor_DLLImport;
83   case attr::NSReturnsRetained:
84     return CXCursor_NSReturnsRetained;
85   case attr::NSReturnsNotRetained:
86     return CXCursor_NSReturnsNotRetained;
87   case attr::NSReturnsAutoreleased:
88     return CXCursor_NSReturnsAutoreleased;
89   case attr::NSConsumesSelf:
90     return CXCursor_NSConsumesSelf;
91   case attr::NSConsumed:
92     return CXCursor_NSConsumed;
93   case attr::ObjCException:
94     return CXCursor_ObjCException;
95   case attr::ObjCNSObject:
96     return CXCursor_ObjCNSObject;
97   case attr::ObjCIndependentClass:
98     return CXCursor_ObjCIndependentClass;
99   case attr::ObjCPreciseLifetime:
100     return CXCursor_ObjCPreciseLifetime;
101   case attr::ObjCReturnsInnerPointer:
102     return CXCursor_ObjCReturnsInnerPointer;
103   case attr::ObjCRequiresSuper:
104     return CXCursor_ObjCRequiresSuper;
105   case attr::ObjCRootClass:
106     return CXCursor_ObjCRootClass;
107   case attr::ObjCSubclassingRestricted:
108     return CXCursor_ObjCSubclassingRestricted;
109   case attr::ObjCExplicitProtocolImpl:
110     return CXCursor_ObjCExplicitProtocolImpl;
111   case attr::ObjCDesignatedInitializer:
112     return CXCursor_ObjCDesignatedInitializer;
113   case attr::ObjCRuntimeVisible:
114     return CXCursor_ObjCRuntimeVisible;
115   case attr::ObjCBoxable:
116     return CXCursor_ObjCBoxable;
117   case attr::FlagEnum:
118     return CXCursor_FlagEnum;
119   case attr::Convergent:
120     return CXCursor_ConvergentAttr;
121   case attr::WarnUnused:
122     return CXCursor_WarnUnusedAttr;
123   case attr::WarnUnusedResult:
124     return CXCursor_WarnUnusedResultAttr;
125   case attr::Aligned:
126     return CXCursor_AlignedAttr;
127   }
128 
129   return CXCursor_UnexposedAttr;
130 }
131 
MakeCXCursor(const Attr * A,const Decl * Parent,CXTranslationUnit TU)132 CXCursor cxcursor::MakeCXCursor(const Attr *A, const Decl *Parent,
133                                 CXTranslationUnit TU) {
134   assert(A && Parent && TU && "Invalid arguments!");
135   CXCursor C = {GetCursorKind(A), 0, {Parent, A, TU}};
136   return C;
137 }
138 
MakeCXCursor(const Decl * D,CXTranslationUnit TU,SourceRange RegionOfInterest,bool FirstInDeclGroup)139 CXCursor cxcursor::MakeCXCursor(const Decl *D, CXTranslationUnit TU,
140                                 SourceRange RegionOfInterest,
141                                 bool FirstInDeclGroup) {
142   assert(D && TU && "Invalid arguments!");
143 
144   CXCursorKind K = getCursorKindForDecl(D);
145 
146   if (K == CXCursor_ObjCClassMethodDecl ||
147       K == CXCursor_ObjCInstanceMethodDecl) {
148     int SelectorIdIndex = -1;
149     // Check if cursor points to a selector id.
150     if (RegionOfInterest.isValid() &&
151         RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) {
152       SmallVector<SourceLocation, 16> SelLocs;
153       cast<ObjCMethodDecl>(D)->getSelectorLocs(SelLocs);
154       SmallVectorImpl<SourceLocation>::iterator I =
155           llvm::find(SelLocs, RegionOfInterest.getBegin());
156       if (I != SelLocs.end())
157         SelectorIdIndex = I - SelLocs.begin();
158     }
159     CXCursor C = {K,
160                   SelectorIdIndex,
161                   {D, (void *)(intptr_t)(FirstInDeclGroup ? 1 : 0), TU}};
162     return C;
163   }
164 
165   CXCursor C = {K, 0, {D, (void *)(intptr_t)(FirstInDeclGroup ? 1 : 0), TU}};
166   return C;
167 }
168 
MakeCXCursor(const Stmt * S,const Decl * Parent,CXTranslationUnit TU,SourceRange RegionOfInterest)169 CXCursor cxcursor::MakeCXCursor(const Stmt *S, const Decl *Parent,
170                                 CXTranslationUnit TU,
171                                 SourceRange RegionOfInterest) {
172   assert(S && TU && "Invalid arguments!");
173   CXCursorKind K = CXCursor_NotImplemented;
174 
175   switch (S->getStmtClass()) {
176   case Stmt::NoStmtClass:
177     break;
178 
179   case Stmt::CaseStmtClass:
180     K = CXCursor_CaseStmt;
181     break;
182 
183   case Stmt::DefaultStmtClass:
184     K = CXCursor_DefaultStmt;
185     break;
186 
187   case Stmt::IfStmtClass:
188     K = CXCursor_IfStmt;
189     break;
190 
191   case Stmt::SwitchStmtClass:
192     K = CXCursor_SwitchStmt;
193     break;
194 
195   case Stmt::WhileStmtClass:
196     K = CXCursor_WhileStmt;
197     break;
198 
199   case Stmt::DoStmtClass:
200     K = CXCursor_DoStmt;
201     break;
202 
203   case Stmt::ForStmtClass:
204     K = CXCursor_ForStmt;
205     break;
206 
207   case Stmt::GotoStmtClass:
208     K = CXCursor_GotoStmt;
209     break;
210 
211   case Stmt::IndirectGotoStmtClass:
212     K = CXCursor_IndirectGotoStmt;
213     break;
214 
215   case Stmt::ContinueStmtClass:
216     K = CXCursor_ContinueStmt;
217     break;
218 
219   case Stmt::BreakStmtClass:
220     K = CXCursor_BreakStmt;
221     break;
222 
223   case Stmt::ReturnStmtClass:
224     K = CXCursor_ReturnStmt;
225     break;
226 
227   case Stmt::GCCAsmStmtClass:
228     K = CXCursor_GCCAsmStmt;
229     break;
230 
231   case Stmt::MSAsmStmtClass:
232     K = CXCursor_MSAsmStmt;
233     break;
234 
235   case Stmt::ObjCAtTryStmtClass:
236     K = CXCursor_ObjCAtTryStmt;
237     break;
238 
239   case Stmt::ObjCAtCatchStmtClass:
240     K = CXCursor_ObjCAtCatchStmt;
241     break;
242 
243   case Stmt::ObjCAtFinallyStmtClass:
244     K = CXCursor_ObjCAtFinallyStmt;
245     break;
246 
247   case Stmt::ObjCAtThrowStmtClass:
248     K = CXCursor_ObjCAtThrowStmt;
249     break;
250 
251   case Stmt::ObjCAtSynchronizedStmtClass:
252     K = CXCursor_ObjCAtSynchronizedStmt;
253     break;
254 
255   case Stmt::ObjCAutoreleasePoolStmtClass:
256     K = CXCursor_ObjCAutoreleasePoolStmt;
257     break;
258 
259   case Stmt::ObjCForCollectionStmtClass:
260     K = CXCursor_ObjCForCollectionStmt;
261     break;
262 
263   case Stmt::CXXCatchStmtClass:
264     K = CXCursor_CXXCatchStmt;
265     break;
266 
267   case Stmt::CXXTryStmtClass:
268     K = CXCursor_CXXTryStmt;
269     break;
270 
271   case Stmt::CXXForRangeStmtClass:
272     K = CXCursor_CXXForRangeStmt;
273     break;
274 
275   case Stmt::SEHTryStmtClass:
276     K = CXCursor_SEHTryStmt;
277     break;
278 
279   case Stmt::SEHExceptStmtClass:
280     K = CXCursor_SEHExceptStmt;
281     break;
282 
283   case Stmt::SEHFinallyStmtClass:
284     K = CXCursor_SEHFinallyStmt;
285     break;
286 
287   case Stmt::SEHLeaveStmtClass:
288     K = CXCursor_SEHLeaveStmt;
289     break;
290 
291   case Stmt::CoroutineBodyStmtClass:
292   case Stmt::CoreturnStmtClass:
293     K = CXCursor_UnexposedStmt;
294     break;
295 
296   case Stmt::ArrayTypeTraitExprClass:
297   case Stmt::AsTypeExprClass:
298   case Stmt::AtomicExprClass:
299   case Stmt::BinaryConditionalOperatorClass:
300   case Stmt::TypeTraitExprClass:
301   case Stmt::CoawaitExprClass:
302   case Stmt::ConceptSpecializationExprClass:
303   case Stmt::RequiresExprClass:
304   case Stmt::DependentCoawaitExprClass:
305   case Stmt::CoyieldExprClass:
306   case Stmt::CXXBindTemporaryExprClass:
307   case Stmt::CXXDefaultArgExprClass:
308   case Stmt::CXXDefaultInitExprClass:
309   case Stmt::CXXFoldExprClass:
310   case Stmt::CXXRewrittenBinaryOperatorClass:
311   case Stmt::CXXStdInitializerListExprClass:
312   case Stmt::CXXScalarValueInitExprClass:
313   case Stmt::CXXUuidofExprClass:
314   case Stmt::ChooseExprClass:
315   case Stmt::DesignatedInitExprClass:
316   case Stmt::DesignatedInitUpdateExprClass:
317   case Stmt::ArrayInitLoopExprClass:
318   case Stmt::ArrayInitIndexExprClass:
319   case Stmt::ExprWithCleanupsClass:
320   case Stmt::ExpressionTraitExprClass:
321   case Stmt::ExtVectorElementExprClass:
322   case Stmt::ImplicitCastExprClass:
323   case Stmt::ImplicitValueInitExprClass:
324   case Stmt::NoInitExprClass:
325   case Stmt::MaterializeTemporaryExprClass:
326   case Stmt::ObjCIndirectCopyRestoreExprClass:
327   case Stmt::OffsetOfExprClass:
328   case Stmt::ParenListExprClass:
329   case Stmt::PredefinedExprClass:
330   case Stmt::ShuffleVectorExprClass:
331   case Stmt::SourceLocExprClass:
332   case Stmt::ConvertVectorExprClass:
333   case Stmt::VAArgExprClass:
334   case Stmt::ObjCArrayLiteralClass:
335   case Stmt::ObjCDictionaryLiteralClass:
336   case Stmt::ObjCBoxedExprClass:
337   case Stmt::ObjCSubscriptRefExprClass:
338   case Stmt::RecoveryExprClass:
339     K = CXCursor_UnexposedExpr;
340     break;
341 
342   case Stmt::OpaqueValueExprClass:
343     if (Expr *Src = cast<OpaqueValueExpr>(S)->getSourceExpr())
344       return MakeCXCursor(Src, Parent, TU, RegionOfInterest);
345     K = CXCursor_UnexposedExpr;
346     break;
347 
348   case Stmt::PseudoObjectExprClass:
349     return MakeCXCursor(cast<PseudoObjectExpr>(S)->getSyntacticForm(), Parent,
350                         TU, RegionOfInterest);
351 
352   case Stmt::CompoundStmtClass:
353     K = CXCursor_CompoundStmt;
354     break;
355 
356   case Stmt::NullStmtClass:
357     K = CXCursor_NullStmt;
358     break;
359 
360   case Stmt::LabelStmtClass:
361     K = CXCursor_LabelStmt;
362     break;
363 
364   case Stmt::AttributedStmtClass:
365     K = CXCursor_UnexposedStmt;
366     break;
367 
368   case Stmt::DeclStmtClass:
369     K = CXCursor_DeclStmt;
370     break;
371 
372   case Stmt::CapturedStmtClass:
373     K = CXCursor_UnexposedStmt;
374     break;
375 
376   case Stmt::IntegerLiteralClass:
377     K = CXCursor_IntegerLiteral;
378     break;
379 
380   case Stmt::FixedPointLiteralClass:
381     K = CXCursor_FixedPointLiteral;
382     break;
383 
384   case Stmt::FloatingLiteralClass:
385     K = CXCursor_FloatingLiteral;
386     break;
387 
388   case Stmt::ImaginaryLiteralClass:
389     K = CXCursor_ImaginaryLiteral;
390     break;
391 
392   case Stmt::StringLiteralClass:
393     K = CXCursor_StringLiteral;
394     break;
395 
396   case Stmt::CharacterLiteralClass:
397     K = CXCursor_CharacterLiteral;
398     break;
399 
400   case Stmt::ConstantExprClass:
401     return MakeCXCursor(cast<ConstantExpr>(S)->getSubExpr(), Parent, TU,
402                         RegionOfInterest);
403 
404   case Stmt::ParenExprClass:
405     K = CXCursor_ParenExpr;
406     break;
407 
408   case Stmt::UnaryOperatorClass:
409     K = CXCursor_UnaryOperator;
410     break;
411 
412   case Stmt::UnaryExprOrTypeTraitExprClass:
413   case Stmt::CXXNoexceptExprClass:
414     K = CXCursor_UnaryExpr;
415     break;
416 
417   case Stmt::MSPropertySubscriptExprClass:
418   case Stmt::ArraySubscriptExprClass:
419     K = CXCursor_ArraySubscriptExpr;
420     break;
421 
422   case Stmt::MatrixSubscriptExprClass:
423     // TODO: add support for MatrixSubscriptExpr.
424     K = CXCursor_UnexposedExpr;
425     break;
426 
427   case Stmt::OMPArraySectionExprClass:
428     K = CXCursor_OMPArraySectionExpr;
429     break;
430 
431   case Stmt::OMPArrayShapingExprClass:
432     K = CXCursor_OMPArrayShapingExpr;
433     break;
434 
435   case Stmt::OMPIteratorExprClass:
436     K = CXCursor_OMPIteratorExpr;
437     break;
438 
439   case Stmt::BinaryOperatorClass:
440     K = CXCursor_BinaryOperator;
441     break;
442 
443   case Stmt::CompoundAssignOperatorClass:
444     K = CXCursor_CompoundAssignOperator;
445     break;
446 
447   case Stmt::ConditionalOperatorClass:
448     K = CXCursor_ConditionalOperator;
449     break;
450 
451   case Stmt::CStyleCastExprClass:
452     K = CXCursor_CStyleCastExpr;
453     break;
454 
455   case Stmt::CompoundLiteralExprClass:
456     K = CXCursor_CompoundLiteralExpr;
457     break;
458 
459   case Stmt::InitListExprClass:
460     K = CXCursor_InitListExpr;
461     break;
462 
463   case Stmt::AddrLabelExprClass:
464     K = CXCursor_AddrLabelExpr;
465     break;
466 
467   case Stmt::StmtExprClass:
468     K = CXCursor_StmtExpr;
469     break;
470 
471   case Stmt::GenericSelectionExprClass:
472     K = CXCursor_GenericSelectionExpr;
473     break;
474 
475   case Stmt::GNUNullExprClass:
476     K = CXCursor_GNUNullExpr;
477     break;
478 
479   case Stmt::CXXStaticCastExprClass:
480     K = CXCursor_CXXStaticCastExpr;
481     break;
482 
483   case Stmt::CXXDynamicCastExprClass:
484     K = CXCursor_CXXDynamicCastExpr;
485     break;
486 
487   case Stmt::CXXReinterpretCastExprClass:
488     K = CXCursor_CXXReinterpretCastExpr;
489     break;
490 
491   case Stmt::CXXConstCastExprClass:
492     K = CXCursor_CXXConstCastExpr;
493     break;
494 
495   case Stmt::CXXFunctionalCastExprClass:
496     K = CXCursor_CXXFunctionalCastExpr;
497     break;
498 
499   case Stmt::CXXAddrspaceCastExprClass:
500     K = CXCursor_CXXAddrspaceCastExpr;
501     break;
502 
503   case Stmt::CXXTypeidExprClass:
504     K = CXCursor_CXXTypeidExpr;
505     break;
506 
507   case Stmt::CXXBoolLiteralExprClass:
508     K = CXCursor_CXXBoolLiteralExpr;
509     break;
510 
511   case Stmt::CXXNullPtrLiteralExprClass:
512     K = CXCursor_CXXNullPtrLiteralExpr;
513     break;
514 
515   case Stmt::CXXThisExprClass:
516     K = CXCursor_CXXThisExpr;
517     break;
518 
519   case Stmt::CXXThrowExprClass:
520     K = CXCursor_CXXThrowExpr;
521     break;
522 
523   case Stmt::CXXNewExprClass:
524     K = CXCursor_CXXNewExpr;
525     break;
526 
527   case Stmt::CXXDeleteExprClass:
528     K = CXCursor_CXXDeleteExpr;
529     break;
530 
531   case Stmt::ObjCStringLiteralClass:
532     K = CXCursor_ObjCStringLiteral;
533     break;
534 
535   case Stmt::ObjCEncodeExprClass:
536     K = CXCursor_ObjCEncodeExpr;
537     break;
538 
539   case Stmt::ObjCSelectorExprClass:
540     K = CXCursor_ObjCSelectorExpr;
541     break;
542 
543   case Stmt::ObjCProtocolExprClass:
544     K = CXCursor_ObjCProtocolExpr;
545     break;
546 
547   case Stmt::ObjCBoolLiteralExprClass:
548     K = CXCursor_ObjCBoolLiteralExpr;
549     break;
550 
551   case Stmt::ObjCAvailabilityCheckExprClass:
552     K = CXCursor_ObjCAvailabilityCheckExpr;
553     break;
554 
555   case Stmt::ObjCBridgedCastExprClass:
556     K = CXCursor_ObjCBridgedCastExpr;
557     break;
558 
559   case Stmt::BlockExprClass:
560     K = CXCursor_BlockExpr;
561     break;
562 
563   case Stmt::PackExpansionExprClass:
564     K = CXCursor_PackExpansionExpr;
565     break;
566 
567   case Stmt::SizeOfPackExprClass:
568     K = CXCursor_SizeOfPackExpr;
569     break;
570 
571   case Stmt::DeclRefExprClass:
572     if (const ImplicitParamDecl *IPD = dyn_cast_or_null<ImplicitParamDecl>(
573             cast<DeclRefExpr>(S)->getDecl())) {
574       if (const ObjCMethodDecl *MD =
575               dyn_cast<ObjCMethodDecl>(IPD->getDeclContext())) {
576         if (MD->getSelfDecl() == IPD) {
577           K = CXCursor_ObjCSelfExpr;
578           break;
579         }
580       }
581     }
582 
583     K = CXCursor_DeclRefExpr;
584     break;
585 
586   case Stmt::DependentScopeDeclRefExprClass:
587   case Stmt::SubstNonTypeTemplateParmExprClass:
588   case Stmt::SubstNonTypeTemplateParmPackExprClass:
589   case Stmt::FunctionParmPackExprClass:
590   case Stmt::UnresolvedLookupExprClass:
591   case Stmt::TypoExprClass: // A typo could actually be a DeclRef or a MemberRef
592     K = CXCursor_DeclRefExpr;
593     break;
594 
595   case Stmt::CXXDependentScopeMemberExprClass:
596   case Stmt::CXXPseudoDestructorExprClass:
597   case Stmt::MemberExprClass:
598   case Stmt::MSPropertyRefExprClass:
599   case Stmt::ObjCIsaExprClass:
600   case Stmt::ObjCIvarRefExprClass:
601   case Stmt::ObjCPropertyRefExprClass:
602   case Stmt::UnresolvedMemberExprClass:
603     K = CXCursor_MemberRefExpr;
604     break;
605 
606   case Stmt::CallExprClass:
607   case Stmt::CXXOperatorCallExprClass:
608   case Stmt::CXXMemberCallExprClass:
609   case Stmt::CUDAKernelCallExprClass:
610   case Stmt::CXXConstructExprClass:
611   case Stmt::CXXInheritedCtorInitExprClass:
612   case Stmt::CXXTemporaryObjectExprClass:
613   case Stmt::CXXUnresolvedConstructExprClass:
614   case Stmt::UserDefinedLiteralClass:
615     K = CXCursor_CallExpr;
616     break;
617 
618   case Stmt::LambdaExprClass:
619     K = CXCursor_LambdaExpr;
620     break;
621 
622   case Stmt::ObjCMessageExprClass: {
623     K = CXCursor_ObjCMessageExpr;
624     int SelectorIdIndex = -1;
625     // Check if cursor points to a selector id.
626     if (RegionOfInterest.isValid() &&
627         RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) {
628       SmallVector<SourceLocation, 16> SelLocs;
629       cast<ObjCMessageExpr>(S)->getSelectorLocs(SelLocs);
630       SmallVectorImpl<SourceLocation>::iterator I =
631           llvm::find(SelLocs, RegionOfInterest.getBegin());
632       if (I != SelLocs.end())
633         SelectorIdIndex = I - SelLocs.begin();
634     }
635     CXCursor C = {K, 0, {Parent, S, TU}};
636     return getSelectorIdentifierCursor(SelectorIdIndex, C);
637   }
638 
639   case Stmt::MSDependentExistsStmtClass:
640     K = CXCursor_UnexposedStmt;
641     break;
642   case Stmt::OMPCanonicalLoopClass:
643     K = CXCursor_OMPCanonicalLoop;
644     break;
645   case Stmt::OMPParallelDirectiveClass:
646     K = CXCursor_OMPParallelDirective;
647     break;
648   case Stmt::OMPSimdDirectiveClass:
649     K = CXCursor_OMPSimdDirective;
650     break;
651   case Stmt::OMPTileDirectiveClass:
652     K = CXCursor_OMPTileDirective;
653     break;
654   case Stmt::OMPForDirectiveClass:
655     K = CXCursor_OMPForDirective;
656     break;
657   case Stmt::OMPForSimdDirectiveClass:
658     K = CXCursor_OMPForSimdDirective;
659     break;
660   case Stmt::OMPSectionsDirectiveClass:
661     K = CXCursor_OMPSectionsDirective;
662     break;
663   case Stmt::OMPSectionDirectiveClass:
664     K = CXCursor_OMPSectionDirective;
665     break;
666   case Stmt::OMPSingleDirectiveClass:
667     K = CXCursor_OMPSingleDirective;
668     break;
669   case Stmt::OMPMasterDirectiveClass:
670     K = CXCursor_OMPMasterDirective;
671     break;
672   case Stmt::OMPCriticalDirectiveClass:
673     K = CXCursor_OMPCriticalDirective;
674     break;
675   case Stmt::OMPParallelForDirectiveClass:
676     K = CXCursor_OMPParallelForDirective;
677     break;
678   case Stmt::OMPParallelForSimdDirectiveClass:
679     K = CXCursor_OMPParallelForSimdDirective;
680     break;
681   case Stmt::OMPParallelMasterDirectiveClass:
682     K = CXCursor_OMPParallelMasterDirective;
683     break;
684   case Stmt::OMPParallelSectionsDirectiveClass:
685     K = CXCursor_OMPParallelSectionsDirective;
686     break;
687   case Stmt::OMPTaskDirectiveClass:
688     K = CXCursor_OMPTaskDirective;
689     break;
690   case Stmt::OMPTaskyieldDirectiveClass:
691     K = CXCursor_OMPTaskyieldDirective;
692     break;
693   case Stmt::OMPBarrierDirectiveClass:
694     K = CXCursor_OMPBarrierDirective;
695     break;
696   case Stmt::OMPTaskwaitDirectiveClass:
697     K = CXCursor_OMPTaskwaitDirective;
698     break;
699   case Stmt::OMPTaskgroupDirectiveClass:
700     K = CXCursor_OMPTaskgroupDirective;
701     break;
702   case Stmt::OMPFlushDirectiveClass:
703     K = CXCursor_OMPFlushDirective;
704     break;
705   case Stmt::OMPDepobjDirectiveClass:
706     K = CXCursor_OMPDepobjDirective;
707     break;
708   case Stmt::OMPScanDirectiveClass:
709     K = CXCursor_OMPScanDirective;
710     break;
711   case Stmt::OMPOrderedDirectiveClass:
712     K = CXCursor_OMPOrderedDirective;
713     break;
714   case Stmt::OMPAtomicDirectiveClass:
715     K = CXCursor_OMPAtomicDirective;
716     break;
717   case Stmt::OMPTargetDirectiveClass:
718     K = CXCursor_OMPTargetDirective;
719     break;
720   case Stmt::OMPTargetDataDirectiveClass:
721     K = CXCursor_OMPTargetDataDirective;
722     break;
723   case Stmt::OMPTargetEnterDataDirectiveClass:
724     K = CXCursor_OMPTargetEnterDataDirective;
725     break;
726   case Stmt::OMPTargetExitDataDirectiveClass:
727     K = CXCursor_OMPTargetExitDataDirective;
728     break;
729   case Stmt::OMPTargetParallelDirectiveClass:
730     K = CXCursor_OMPTargetParallelDirective;
731     break;
732   case Stmt::OMPTargetParallelForDirectiveClass:
733     K = CXCursor_OMPTargetParallelForDirective;
734     break;
735   case Stmt::OMPTargetUpdateDirectiveClass:
736     K = CXCursor_OMPTargetUpdateDirective;
737     break;
738   case Stmt::OMPTeamsDirectiveClass:
739     K = CXCursor_OMPTeamsDirective;
740     break;
741   case Stmt::OMPCancellationPointDirectiveClass:
742     K = CXCursor_OMPCancellationPointDirective;
743     break;
744   case Stmt::OMPCancelDirectiveClass:
745     K = CXCursor_OMPCancelDirective;
746     break;
747   case Stmt::OMPTaskLoopDirectiveClass:
748     K = CXCursor_OMPTaskLoopDirective;
749     break;
750   case Stmt::OMPTaskLoopSimdDirectiveClass:
751     K = CXCursor_OMPTaskLoopSimdDirective;
752     break;
753   case Stmt::OMPMasterTaskLoopDirectiveClass:
754     K = CXCursor_OMPMasterTaskLoopDirective;
755     break;
756   case Stmt::OMPMasterTaskLoopSimdDirectiveClass:
757     K = CXCursor_OMPMasterTaskLoopSimdDirective;
758     break;
759   case Stmt::OMPParallelMasterTaskLoopDirectiveClass:
760     K = CXCursor_OMPParallelMasterTaskLoopDirective;
761     break;
762   case Stmt::OMPParallelMasterTaskLoopSimdDirectiveClass:
763     K = CXCursor_OMPParallelMasterTaskLoopSimdDirective;
764     break;
765   case Stmt::OMPDistributeDirectiveClass:
766     K = CXCursor_OMPDistributeDirective;
767     break;
768   case Stmt::OMPDistributeParallelForDirectiveClass:
769     K = CXCursor_OMPDistributeParallelForDirective;
770     break;
771   case Stmt::OMPDistributeParallelForSimdDirectiveClass:
772     K = CXCursor_OMPDistributeParallelForSimdDirective;
773     break;
774   case Stmt::OMPDistributeSimdDirectiveClass:
775     K = CXCursor_OMPDistributeSimdDirective;
776     break;
777   case Stmt::OMPTargetParallelForSimdDirectiveClass:
778     K = CXCursor_OMPTargetParallelForSimdDirective;
779     break;
780   case Stmt::OMPTargetSimdDirectiveClass:
781     K = CXCursor_OMPTargetSimdDirective;
782     break;
783   case Stmt::OMPTeamsDistributeDirectiveClass:
784     K = CXCursor_OMPTeamsDistributeDirective;
785     break;
786   case Stmt::OMPTeamsDistributeSimdDirectiveClass:
787     K = CXCursor_OMPTeamsDistributeSimdDirective;
788     break;
789   case Stmt::OMPTeamsDistributeParallelForSimdDirectiveClass:
790     K = CXCursor_OMPTeamsDistributeParallelForSimdDirective;
791     break;
792   case Stmt::OMPTeamsDistributeParallelForDirectiveClass:
793     K = CXCursor_OMPTeamsDistributeParallelForDirective;
794     break;
795   case Stmt::OMPTargetTeamsDirectiveClass:
796     K = CXCursor_OMPTargetTeamsDirective;
797     break;
798   case Stmt::OMPTargetTeamsDistributeDirectiveClass:
799     K = CXCursor_OMPTargetTeamsDistributeDirective;
800     break;
801   case Stmt::OMPTargetTeamsDistributeParallelForDirectiveClass:
802     K = CXCursor_OMPTargetTeamsDistributeParallelForDirective;
803     break;
804   case Stmt::OMPTargetTeamsDistributeParallelForSimdDirectiveClass:
805     K = CXCursor_OMPTargetTeamsDistributeParallelForSimdDirective;
806     break;
807   case Stmt::OMPTargetTeamsDistributeSimdDirectiveClass:
808     K = CXCursor_OMPTargetTeamsDistributeSimdDirective;
809     break;
810   case Stmt::OMPInteropDirectiveClass:
811     K = CXCursor_OMPInteropDirective;
812     break;
813   case Stmt::OMPDispatchDirectiveClass:
814     K = CXCursor_OMPDispatchDirective;
815     break;
816   case Stmt::OMPMaskedDirectiveClass:
817     K = CXCursor_OMPMaskedDirective;
818     break;
819   case Stmt::BuiltinBitCastExprClass:
820     K = CXCursor_BuiltinBitCastExpr;
821   }
822 
823   CXCursor C = {K, 0, {Parent, S, TU}};
824   return C;
825 }
826 
MakeCursorObjCSuperClassRef(ObjCInterfaceDecl * Super,SourceLocation Loc,CXTranslationUnit TU)827 CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super,
828                                                SourceLocation Loc,
829                                                CXTranslationUnit TU) {
830   assert(Super && TU && "Invalid arguments!");
831   void *RawLoc = Loc.getPtrEncoding();
832   CXCursor C = {CXCursor_ObjCSuperClassRef, 0, {Super, RawLoc, TU}};
833   return C;
834 }
835 
836 std::pair<const ObjCInterfaceDecl *, SourceLocation>
getCursorObjCSuperClassRef(CXCursor C)837 cxcursor::getCursorObjCSuperClassRef(CXCursor C) {
838   assert(C.kind == CXCursor_ObjCSuperClassRef);
839   return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]),
840                         SourceLocation::getFromPtrEncoding(C.data[1]));
841 }
842 
MakeCursorObjCProtocolRef(const ObjCProtocolDecl * Proto,SourceLocation Loc,CXTranslationUnit TU)843 CXCursor cxcursor::MakeCursorObjCProtocolRef(const ObjCProtocolDecl *Proto,
844                                              SourceLocation Loc,
845                                              CXTranslationUnit TU) {
846   assert(Proto && TU && "Invalid arguments!");
847   void *RawLoc = Loc.getPtrEncoding();
848   CXCursor C = {CXCursor_ObjCProtocolRef, 0, {Proto, RawLoc, TU}};
849   return C;
850 }
851 
852 std::pair<const ObjCProtocolDecl *, SourceLocation>
getCursorObjCProtocolRef(CXCursor C)853 cxcursor::getCursorObjCProtocolRef(CXCursor C) {
854   assert(C.kind == CXCursor_ObjCProtocolRef);
855   return std::make_pair(static_cast<const ObjCProtocolDecl *>(C.data[0]),
856                         SourceLocation::getFromPtrEncoding(C.data[1]));
857 }
858 
MakeCursorObjCClassRef(const ObjCInterfaceDecl * Class,SourceLocation Loc,CXTranslationUnit TU)859 CXCursor cxcursor::MakeCursorObjCClassRef(const ObjCInterfaceDecl *Class,
860                                           SourceLocation Loc,
861                                           CXTranslationUnit TU) {
862   // 'Class' can be null for invalid code.
863   if (!Class)
864     return MakeCXCursorInvalid(CXCursor_InvalidCode);
865   assert(TU && "Invalid arguments!");
866   void *RawLoc = Loc.getPtrEncoding();
867   CXCursor C = {CXCursor_ObjCClassRef, 0, {Class, RawLoc, TU}};
868   return C;
869 }
870 
871 std::pair<const ObjCInterfaceDecl *, SourceLocation>
getCursorObjCClassRef(CXCursor C)872 cxcursor::getCursorObjCClassRef(CXCursor C) {
873   assert(C.kind == CXCursor_ObjCClassRef);
874   return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]),
875                         SourceLocation::getFromPtrEncoding(C.data[1]));
876 }
877 
MakeCursorTypeRef(const TypeDecl * Type,SourceLocation Loc,CXTranslationUnit TU)878 CXCursor cxcursor::MakeCursorTypeRef(const TypeDecl *Type, SourceLocation Loc,
879                                      CXTranslationUnit TU) {
880   assert(Type && TU && "Invalid arguments!");
881   void *RawLoc = Loc.getPtrEncoding();
882   CXCursor C = {CXCursor_TypeRef, 0, {Type, RawLoc, TU}};
883   return C;
884 }
885 
886 std::pair<const TypeDecl *, SourceLocation>
getCursorTypeRef(CXCursor C)887 cxcursor::getCursorTypeRef(CXCursor C) {
888   assert(C.kind == CXCursor_TypeRef);
889   return std::make_pair(static_cast<const TypeDecl *>(C.data[0]),
890                         SourceLocation::getFromPtrEncoding(C.data[1]));
891 }
892 
MakeCursorTemplateRef(const TemplateDecl * Template,SourceLocation Loc,CXTranslationUnit TU)893 CXCursor cxcursor::MakeCursorTemplateRef(const TemplateDecl *Template,
894                                          SourceLocation Loc,
895                                          CXTranslationUnit TU) {
896   assert(Template && TU && "Invalid arguments!");
897   void *RawLoc = Loc.getPtrEncoding();
898   CXCursor C = {CXCursor_TemplateRef, 0, {Template, RawLoc, TU}};
899   return C;
900 }
901 
902 std::pair<const TemplateDecl *, SourceLocation>
getCursorTemplateRef(CXCursor C)903 cxcursor::getCursorTemplateRef(CXCursor C) {
904   assert(C.kind == CXCursor_TemplateRef);
905   return std::make_pair(static_cast<const TemplateDecl *>(C.data[0]),
906                         SourceLocation::getFromPtrEncoding(C.data[1]));
907 }
908 
MakeCursorNamespaceRef(const NamedDecl * NS,SourceLocation Loc,CXTranslationUnit TU)909 CXCursor cxcursor::MakeCursorNamespaceRef(const NamedDecl *NS,
910                                           SourceLocation Loc,
911                                           CXTranslationUnit TU) {
912 
913   assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU &&
914          "Invalid arguments!");
915   void *RawLoc = Loc.getPtrEncoding();
916   CXCursor C = {CXCursor_NamespaceRef, 0, {NS, RawLoc, TU}};
917   return C;
918 }
919 
920 std::pair<const NamedDecl *, SourceLocation>
getCursorNamespaceRef(CXCursor C)921 cxcursor::getCursorNamespaceRef(CXCursor C) {
922   assert(C.kind == CXCursor_NamespaceRef);
923   return std::make_pair(static_cast<const NamedDecl *>(C.data[0]),
924                         SourceLocation::getFromPtrEncoding(C.data[1]));
925 }
926 
MakeCursorVariableRef(const VarDecl * Var,SourceLocation Loc,CXTranslationUnit TU)927 CXCursor cxcursor::MakeCursorVariableRef(const VarDecl *Var, SourceLocation Loc,
928                                          CXTranslationUnit TU) {
929 
930   assert(Var && TU && "Invalid arguments!");
931   void *RawLoc = Loc.getPtrEncoding();
932   CXCursor C = {CXCursor_VariableRef, 0, {Var, RawLoc, TU}};
933   return C;
934 }
935 
936 std::pair<const VarDecl *, SourceLocation>
getCursorVariableRef(CXCursor C)937 cxcursor::getCursorVariableRef(CXCursor C) {
938   assert(C.kind == CXCursor_VariableRef);
939   return std::make_pair(static_cast<const VarDecl *>(C.data[0]),
940                         SourceLocation::getFromPtrEncoding(C.data[1]));
941 }
942 
MakeCursorMemberRef(const FieldDecl * Field,SourceLocation Loc,CXTranslationUnit TU)943 CXCursor cxcursor::MakeCursorMemberRef(const FieldDecl *Field,
944                                        SourceLocation Loc,
945                                        CXTranslationUnit TU) {
946 
947   assert(Field && TU && "Invalid arguments!");
948   void *RawLoc = Loc.getPtrEncoding();
949   CXCursor C = {CXCursor_MemberRef, 0, {Field, RawLoc, TU}};
950   return C;
951 }
952 
953 std::pair<const FieldDecl *, SourceLocation>
getCursorMemberRef(CXCursor C)954 cxcursor::getCursorMemberRef(CXCursor C) {
955   assert(C.kind == CXCursor_MemberRef);
956   return std::make_pair(static_cast<const FieldDecl *>(C.data[0]),
957                         SourceLocation::getFromPtrEncoding(C.data[1]));
958 }
959 
MakeCursorCXXBaseSpecifier(const CXXBaseSpecifier * B,CXTranslationUnit TU)960 CXCursor cxcursor::MakeCursorCXXBaseSpecifier(const CXXBaseSpecifier *B,
961                                               CXTranslationUnit TU) {
962   CXCursor C = {CXCursor_CXXBaseSpecifier, 0, {B, nullptr, TU}};
963   return C;
964 }
965 
getCursorCXXBaseSpecifier(CXCursor C)966 const CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) {
967   assert(C.kind == CXCursor_CXXBaseSpecifier);
968   return static_cast<const CXXBaseSpecifier *>(C.data[0]);
969 }
970 
MakePreprocessingDirectiveCursor(SourceRange Range,CXTranslationUnit TU)971 CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range,
972                                                     CXTranslationUnit TU) {
973   CXCursor C = {
974       CXCursor_PreprocessingDirective,
975       0,
976       {Range.getBegin().getPtrEncoding(), Range.getEnd().getPtrEncoding(), TU}};
977   return C;
978 }
979 
getCursorPreprocessingDirective(CXCursor C)980 SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) {
981   assert(C.kind == CXCursor_PreprocessingDirective);
982   SourceRange Range(SourceLocation::getFromPtrEncoding(C.data[0]),
983                     SourceLocation::getFromPtrEncoding(C.data[1]));
984   ASTUnit *TU = getCursorASTUnit(C);
985   return TU->mapRangeFromPreamble(Range);
986 }
987 
MakeMacroDefinitionCursor(const MacroDefinitionRecord * MI,CXTranslationUnit TU)988 CXCursor cxcursor::MakeMacroDefinitionCursor(const MacroDefinitionRecord *MI,
989                                              CXTranslationUnit TU) {
990   CXCursor C = {CXCursor_MacroDefinition, 0, {MI, nullptr, TU}};
991   return C;
992 }
993 
getCursorMacroDefinition(CXCursor C)994 const MacroDefinitionRecord *cxcursor::getCursorMacroDefinition(CXCursor C) {
995   assert(C.kind == CXCursor_MacroDefinition);
996   return static_cast<const MacroDefinitionRecord *>(C.data[0]);
997 }
998 
MakeMacroExpansionCursor(MacroExpansion * MI,CXTranslationUnit TU)999 CXCursor cxcursor::MakeMacroExpansionCursor(MacroExpansion *MI,
1000                                             CXTranslationUnit TU) {
1001   CXCursor C = {CXCursor_MacroExpansion, 0, {MI, nullptr, TU}};
1002   return C;
1003 }
1004 
MakeMacroExpansionCursor(MacroDefinitionRecord * MI,SourceLocation Loc,CXTranslationUnit TU)1005 CXCursor cxcursor::MakeMacroExpansionCursor(MacroDefinitionRecord *MI,
1006                                             SourceLocation Loc,
1007                                             CXTranslationUnit TU) {
1008   assert(Loc.isValid());
1009   CXCursor C = {CXCursor_MacroExpansion, 0, {MI, Loc.getPtrEncoding(), TU}};
1010   return C;
1011 }
1012 
getName() const1013 const IdentifierInfo *cxcursor::MacroExpansionCursor::getName() const {
1014   if (isPseudo())
1015     return getAsMacroDefinition()->getName();
1016   return getAsMacroExpansion()->getName();
1017 }
1018 const MacroDefinitionRecord *
getDefinition() const1019 cxcursor::MacroExpansionCursor::getDefinition() const {
1020   if (isPseudo())
1021     return getAsMacroDefinition();
1022   return getAsMacroExpansion()->getDefinition();
1023 }
getSourceRange() const1024 SourceRange cxcursor::MacroExpansionCursor::getSourceRange() const {
1025   if (isPseudo())
1026     return getPseudoLoc();
1027   return getAsMacroExpansion()->getSourceRange();
1028 }
1029 
MakeInclusionDirectiveCursor(InclusionDirective * ID,CXTranslationUnit TU)1030 CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID,
1031                                                 CXTranslationUnit TU) {
1032   CXCursor C = {CXCursor_InclusionDirective, 0, {ID, nullptr, TU}};
1033   return C;
1034 }
1035 
getCursorInclusionDirective(CXCursor C)1036 const InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) {
1037   assert(C.kind == CXCursor_InclusionDirective);
1038   return static_cast<const InclusionDirective *>(C.data[0]);
1039 }
1040 
MakeCursorLabelRef(LabelStmt * Label,SourceLocation Loc,CXTranslationUnit TU)1041 CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc,
1042                                       CXTranslationUnit TU) {
1043 
1044   assert(Label && TU && "Invalid arguments!");
1045   void *RawLoc = Loc.getPtrEncoding();
1046   CXCursor C = {CXCursor_LabelRef, 0, {Label, RawLoc, TU}};
1047   return C;
1048 }
1049 
1050 std::pair<const LabelStmt *, SourceLocation>
getCursorLabelRef(CXCursor C)1051 cxcursor::getCursorLabelRef(CXCursor C) {
1052   assert(C.kind == CXCursor_LabelRef);
1053   return std::make_pair(static_cast<const LabelStmt *>(C.data[0]),
1054                         SourceLocation::getFromPtrEncoding(C.data[1]));
1055 }
1056 
MakeCursorOverloadedDeclRef(const OverloadExpr * E,CXTranslationUnit TU)1057 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const OverloadExpr *E,
1058                                                CXTranslationUnit TU) {
1059   assert(E && TU && "Invalid arguments!");
1060   OverloadedDeclRefStorage Storage(E);
1061   void *RawLoc = E->getNameLoc().getPtrEncoding();
1062   CXCursor C = {
1063       CXCursor_OverloadedDeclRef, 0, {Storage.getOpaqueValue(), RawLoc, TU}};
1064   return C;
1065 }
1066 
MakeCursorOverloadedDeclRef(const Decl * D,SourceLocation Loc,CXTranslationUnit TU)1067 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const Decl *D,
1068                                                SourceLocation Loc,
1069                                                CXTranslationUnit TU) {
1070   assert(D && TU && "Invalid arguments!");
1071   void *RawLoc = Loc.getPtrEncoding();
1072   OverloadedDeclRefStorage Storage(D);
1073   CXCursor C = {
1074       CXCursor_OverloadedDeclRef, 0, {Storage.getOpaqueValue(), RawLoc, TU}};
1075   return C;
1076 }
1077 
MakeCursorOverloadedDeclRef(TemplateName Name,SourceLocation Loc,CXTranslationUnit TU)1078 CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name,
1079                                                SourceLocation Loc,
1080                                                CXTranslationUnit TU) {
1081   assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!");
1082   void *RawLoc = Loc.getPtrEncoding();
1083   OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate());
1084   CXCursor C = {
1085       CXCursor_OverloadedDeclRef, 0, {Storage.getOpaqueValue(), RawLoc, TU}};
1086   return C;
1087 }
1088 
1089 std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation>
getCursorOverloadedDeclRef(CXCursor C)1090 cxcursor::getCursorOverloadedDeclRef(CXCursor C) {
1091   assert(C.kind == CXCursor_OverloadedDeclRef);
1092   return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue(
1093                             const_cast<void *>(C.data[0])),
1094                         SourceLocation::getFromPtrEncoding(C.data[1]));
1095 }
1096 
getCursorDecl(CXCursor Cursor)1097 const Decl *cxcursor::getCursorDecl(CXCursor Cursor) {
1098   return static_cast<const Decl *>(Cursor.data[0]);
1099 }
1100 
getCursorExpr(CXCursor Cursor)1101 const Expr *cxcursor::getCursorExpr(CXCursor Cursor) {
1102   return dyn_cast_or_null<Expr>(getCursorStmt(Cursor));
1103 }
1104 
getCursorStmt(CXCursor Cursor)1105 const Stmt *cxcursor::getCursorStmt(CXCursor Cursor) {
1106   if (Cursor.kind == CXCursor_ObjCSuperClassRef ||
1107       Cursor.kind == CXCursor_ObjCProtocolRef ||
1108       Cursor.kind == CXCursor_ObjCClassRef)
1109     return nullptr;
1110 
1111   return static_cast<const Stmt *>(Cursor.data[1]);
1112 }
1113 
getCursorAttr(CXCursor Cursor)1114 const Attr *cxcursor::getCursorAttr(CXCursor Cursor) {
1115   return static_cast<const Attr *>(Cursor.data[1]);
1116 }
1117 
getCursorContext(CXCursor Cursor)1118 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) {
1119   return getCursorASTUnit(Cursor)->getASTContext();
1120 }
1121 
getCursorASTUnit(CXCursor Cursor)1122 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) {
1123   CXTranslationUnit TU = getCursorTU(Cursor);
1124   if (!TU)
1125     return nullptr;
1126   return cxtu::getASTUnit(TU);
1127 }
1128 
getCursorTU(CXCursor Cursor)1129 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) {
1130   return static_cast<CXTranslationUnit>(const_cast<void *>(Cursor.data[2]));
1131 }
1132 
getOverriddenCursors(CXCursor cursor,SmallVectorImpl<CXCursor> & overridden)1133 void cxcursor::getOverriddenCursors(CXCursor cursor,
1134                                     SmallVectorImpl<CXCursor> &overridden) {
1135   assert(clang_isDeclaration(cursor.kind));
1136   const NamedDecl *D = dyn_cast_or_null<NamedDecl>(getCursorDecl(cursor));
1137   if (!D)
1138     return;
1139 
1140   CXTranslationUnit TU = getCursorTU(cursor);
1141   SmallVector<const NamedDecl *, 8> OverDecls;
1142   D->getASTContext().getOverriddenMethods(D, OverDecls);
1143 
1144   for (SmallVectorImpl<const NamedDecl *>::iterator I = OverDecls.begin(),
1145                                                     E = OverDecls.end();
1146        I != E; ++I) {
1147     overridden.push_back(MakeCXCursor(*I, TU));
1148   }
1149 }
1150 
1151 std::pair<int, SourceLocation>
getSelectorIdentifierIndexAndLoc(CXCursor cursor)1152 cxcursor::getSelectorIdentifierIndexAndLoc(CXCursor cursor) {
1153   if (cursor.kind == CXCursor_ObjCMessageExpr) {
1154     if (cursor.xdata != -1)
1155       return std::make_pair(cursor.xdata,
1156                             cast<ObjCMessageExpr>(getCursorExpr(cursor))
1157                                 ->getSelectorLoc(cursor.xdata));
1158   } else if (cursor.kind == CXCursor_ObjCClassMethodDecl ||
1159              cursor.kind == CXCursor_ObjCInstanceMethodDecl) {
1160     if (cursor.xdata != -1)
1161       return std::make_pair(cursor.xdata,
1162                             cast<ObjCMethodDecl>(getCursorDecl(cursor))
1163                                 ->getSelectorLoc(cursor.xdata));
1164   }
1165 
1166   return std::make_pair(-1, SourceLocation());
1167 }
1168 
getSelectorIdentifierCursor(int SelIdx,CXCursor cursor)1169 CXCursor cxcursor::getSelectorIdentifierCursor(int SelIdx, CXCursor cursor) {
1170   CXCursor newCursor = cursor;
1171 
1172   if (cursor.kind == CXCursor_ObjCMessageExpr) {
1173     if (SelIdx == -1 ||
1174         unsigned(SelIdx) >=
1175             cast<ObjCMessageExpr>(getCursorExpr(cursor))->getNumSelectorLocs())
1176       newCursor.xdata = -1;
1177     else
1178       newCursor.xdata = SelIdx;
1179   } else if (cursor.kind == CXCursor_ObjCClassMethodDecl ||
1180              cursor.kind == CXCursor_ObjCInstanceMethodDecl) {
1181     if (SelIdx == -1 ||
1182         unsigned(SelIdx) >=
1183             cast<ObjCMethodDecl>(getCursorDecl(cursor))->getNumSelectorLocs())
1184       newCursor.xdata = -1;
1185     else
1186       newCursor.xdata = SelIdx;
1187   }
1188 
1189   return newCursor;
1190 }
1191 
getTypeRefCursor(CXCursor cursor)1192 CXCursor cxcursor::getTypeRefCursor(CXCursor cursor) {
1193   if (cursor.kind != CXCursor_CallExpr)
1194     return cursor;
1195 
1196   if (cursor.xdata == 0)
1197     return cursor;
1198 
1199   const Expr *E = getCursorExpr(cursor);
1200   TypeSourceInfo *Type = nullptr;
1201   if (const CXXUnresolvedConstructExpr *UnCtor =
1202           dyn_cast<CXXUnresolvedConstructExpr>(E)) {
1203     Type = UnCtor->getTypeSourceInfo();
1204   } else if (const CXXTemporaryObjectExpr *Tmp =
1205                  dyn_cast<CXXTemporaryObjectExpr>(E)) {
1206     Type = Tmp->getTypeSourceInfo();
1207   }
1208 
1209   if (!Type)
1210     return cursor;
1211 
1212   CXTranslationUnit TU = getCursorTU(cursor);
1213   QualType Ty = Type->getType();
1214   TypeLoc TL = Type->getTypeLoc();
1215   SourceLocation Loc = TL.getBeginLoc();
1216 
1217   if (const ElaboratedType *ElabT = Ty->getAs<ElaboratedType>()) {
1218     Ty = ElabT->getNamedType();
1219     ElaboratedTypeLoc ElabTL = TL.castAs<ElaboratedTypeLoc>();
1220     Loc = ElabTL.getNamedTypeLoc().getBeginLoc();
1221   }
1222 
1223   if (const TypedefType *Typedef = Ty->getAs<TypedefType>())
1224     return MakeCursorTypeRef(Typedef->getDecl(), Loc, TU);
1225   if (const TagType *Tag = Ty->getAs<TagType>())
1226     return MakeCursorTypeRef(Tag->getDecl(), Loc, TU);
1227   if (const TemplateTypeParmType *TemplP = Ty->getAs<TemplateTypeParmType>())
1228     return MakeCursorTypeRef(TemplP->getDecl(), Loc, TU);
1229 
1230   return cursor;
1231 }
1232 
operator ==(CXCursor X,CXCursor Y)1233 bool cxcursor::operator==(CXCursor X, CXCursor Y) {
1234   return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] &&
1235          X.data[2] == Y.data[2];
1236 }
1237 
1238 // FIXME: Remove once we can model DeclGroups and their appropriate ranges
1239 // properly in the ASTs.
isFirstInDeclGroup(CXCursor C)1240 bool cxcursor::isFirstInDeclGroup(CXCursor C) {
1241   assert(clang_isDeclaration(C.kind));
1242   return ((uintptr_t)(C.data[1])) != 0;
1243 }
1244 
1245 //===----------------------------------------------------------------------===//
1246 // libclang CXCursor APIs
1247 //===----------------------------------------------------------------------===//
1248 
clang_Cursor_isNull(CXCursor cursor)1249 int clang_Cursor_isNull(CXCursor cursor) {
1250   return clang_equalCursors(cursor, clang_getNullCursor());
1251 }
1252 
clang_Cursor_getTranslationUnit(CXCursor cursor)1253 CXTranslationUnit clang_Cursor_getTranslationUnit(CXCursor cursor) {
1254   return getCursorTU(cursor);
1255 }
1256 
clang_Cursor_getNumArguments(CXCursor C)1257 int clang_Cursor_getNumArguments(CXCursor C) {
1258   if (clang_isDeclaration(C.kind)) {
1259     const Decl *D = cxcursor::getCursorDecl(C);
1260     if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D))
1261       return MD->param_size();
1262     if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D))
1263       return FD->param_size();
1264   }
1265 
1266   if (clang_isExpression(C.kind)) {
1267     const Expr *E = cxcursor::getCursorExpr(C);
1268     if (const CallExpr *CE = dyn_cast<CallExpr>(E)) {
1269       return CE->getNumArgs();
1270     }
1271     if (const CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E)) {
1272       return CE->getNumArgs();
1273     }
1274   }
1275 
1276   return -1;
1277 }
1278 
clang_Cursor_getArgument(CXCursor C,unsigned i)1279 CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i) {
1280   if (clang_isDeclaration(C.kind)) {
1281     const Decl *D = cxcursor::getCursorDecl(C);
1282     if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) {
1283       if (i < MD->param_size())
1284         return cxcursor::MakeCXCursor(MD->parameters()[i],
1285                                       cxcursor::getCursorTU(C));
1286     } else if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) {
1287       if (i < FD->param_size())
1288         return cxcursor::MakeCXCursor(FD->parameters()[i],
1289                                       cxcursor::getCursorTU(C));
1290     }
1291   }
1292 
1293   if (clang_isExpression(C.kind)) {
1294     const Expr *E = cxcursor::getCursorExpr(C);
1295     if (const CallExpr *CE = dyn_cast<CallExpr>(E)) {
1296       if (i < CE->getNumArgs()) {
1297         return cxcursor::MakeCXCursor(CE->getArg(i), getCursorDecl(C),
1298                                       cxcursor::getCursorTU(C));
1299       }
1300     }
1301     if (const CXXConstructExpr *CE = dyn_cast<CXXConstructExpr>(E)) {
1302       if (i < CE->getNumArgs()) {
1303         return cxcursor::MakeCXCursor(CE->getArg(i), getCursorDecl(C),
1304                                       cxcursor::getCursorTU(C));
1305       }
1306     }
1307   }
1308 
1309   return clang_getNullCursor();
1310 }
1311 
clang_Cursor_getNumTemplateArguments(CXCursor C)1312 int clang_Cursor_getNumTemplateArguments(CXCursor C) {
1313   if (clang_getCursorKind(C) != CXCursor_FunctionDecl) {
1314     return -1;
1315   }
1316 
1317   const FunctionDecl *FD =
1318       llvm::dyn_cast_or_null<clang::FunctionDecl>(getCursorDecl(C));
1319   if (!FD) {
1320     return -1;
1321   }
1322 
1323   const FunctionTemplateSpecializationInfo *SpecInfo =
1324       FD->getTemplateSpecializationInfo();
1325   if (!SpecInfo) {
1326     return -1;
1327   }
1328 
1329   return SpecInfo->TemplateArguments->size();
1330 }
1331 
1332 enum CXGetTemplateArgumentStatus {
1333   /** The operation completed successfully */
1334   CXGetTemplateArgumentStatus_Success = 0,
1335 
1336   /** The specified cursor did not represent a FunctionDecl. */
1337   CXGetTemplateArgumentStatus_CursorNotFunctionDecl = -1,
1338 
1339   /** The specified cursor was not castable to a FunctionDecl. */
1340   CXGetTemplateArgumentStatus_BadFunctionDeclCast = -2,
1341 
1342   /** A NULL FunctionTemplateSpecializationInfo was retrieved. */
1343   CXGetTemplateArgumentStatus_NullTemplSpecInfo = -3,
1344 
1345   /** An invalid (OOB) argument index was specified */
1346   CXGetTemplateArgumentStatus_InvalidIndex = -4
1347 };
1348 
clang_Cursor_getTemplateArgument(CXCursor C,unsigned I,TemplateArgument * TA)1349 static int clang_Cursor_getTemplateArgument(CXCursor C, unsigned I,
1350                                             TemplateArgument *TA) {
1351   if (clang_getCursorKind(C) != CXCursor_FunctionDecl) {
1352     return CXGetTemplateArgumentStatus_CursorNotFunctionDecl;
1353   }
1354 
1355   const FunctionDecl *FD =
1356       llvm::dyn_cast_or_null<clang::FunctionDecl>(getCursorDecl(C));
1357   if (!FD) {
1358     return CXGetTemplateArgumentStatus_BadFunctionDeclCast;
1359   }
1360 
1361   const FunctionTemplateSpecializationInfo *SpecInfo =
1362       FD->getTemplateSpecializationInfo();
1363   if (!SpecInfo) {
1364     return CXGetTemplateArgumentStatus_NullTemplSpecInfo;
1365   }
1366 
1367   if (I >= SpecInfo->TemplateArguments->size()) {
1368     return CXGetTemplateArgumentStatus_InvalidIndex;
1369   }
1370 
1371   *TA = SpecInfo->TemplateArguments->get(I);
1372   return 0;
1373 }
1374 
clang_Cursor_getTemplateArgumentKind(CXCursor C,unsigned I)1375 enum CXTemplateArgumentKind clang_Cursor_getTemplateArgumentKind(CXCursor C,
1376                                                                  unsigned I) {
1377   TemplateArgument TA;
1378   if (clang_Cursor_getTemplateArgument(C, I, &TA)) {
1379     return CXTemplateArgumentKind_Invalid;
1380   }
1381 
1382   switch (TA.getKind()) {
1383   case TemplateArgument::Null:
1384     return CXTemplateArgumentKind_Null;
1385   case TemplateArgument::Type:
1386     return CXTemplateArgumentKind_Type;
1387   case TemplateArgument::Declaration:
1388     return CXTemplateArgumentKind_Declaration;
1389   case TemplateArgument::NullPtr:
1390     return CXTemplateArgumentKind_NullPtr;
1391   case TemplateArgument::Integral:
1392     return CXTemplateArgumentKind_Integral;
1393   case TemplateArgument::Template:
1394     return CXTemplateArgumentKind_Template;
1395   case TemplateArgument::TemplateExpansion:
1396     return CXTemplateArgumentKind_TemplateExpansion;
1397   case TemplateArgument::Expression:
1398     return CXTemplateArgumentKind_Expression;
1399   case TemplateArgument::Pack:
1400     return CXTemplateArgumentKind_Pack;
1401   }
1402 
1403   return CXTemplateArgumentKind_Invalid;
1404 }
1405 
clang_Cursor_getTemplateArgumentType(CXCursor C,unsigned I)1406 CXType clang_Cursor_getTemplateArgumentType(CXCursor C, unsigned I) {
1407   TemplateArgument TA;
1408   if (clang_Cursor_getTemplateArgument(C, I, &TA) !=
1409       CXGetTemplateArgumentStatus_Success) {
1410     return cxtype::MakeCXType(QualType(), getCursorTU(C));
1411   }
1412 
1413   if (TA.getKind() != TemplateArgument::Type) {
1414     return cxtype::MakeCXType(QualType(), getCursorTU(C));
1415   }
1416 
1417   return cxtype::MakeCXType(TA.getAsType(), getCursorTU(C));
1418 }
1419 
clang_Cursor_getTemplateArgumentValue(CXCursor C,unsigned I)1420 long long clang_Cursor_getTemplateArgumentValue(CXCursor C, unsigned I) {
1421   TemplateArgument TA;
1422   if (clang_Cursor_getTemplateArgument(C, I, &TA) !=
1423       CXGetTemplateArgumentStatus_Success) {
1424     assert(0 && "Unable to retrieve TemplateArgument");
1425     return 0;
1426   }
1427 
1428   if (TA.getKind() != TemplateArgument::Integral) {
1429     assert(0 && "Passed template argument is not Integral");
1430     return 0;
1431   }
1432 
1433   return TA.getAsIntegral().getSExtValue();
1434 }
1435 
clang_Cursor_getTemplateArgumentUnsignedValue(CXCursor C,unsigned I)1436 unsigned long long clang_Cursor_getTemplateArgumentUnsignedValue(CXCursor C,
1437                                                                  unsigned I) {
1438   TemplateArgument TA;
1439   if (clang_Cursor_getTemplateArgument(C, I, &TA) !=
1440       CXGetTemplateArgumentStatus_Success) {
1441     assert(0 && "Unable to retrieve TemplateArgument");
1442     return 0;
1443   }
1444 
1445   if (TA.getKind() != TemplateArgument::Integral) {
1446     assert(0 && "Passed template argument is not Integral");
1447     return 0;
1448   }
1449 
1450   return TA.getAsIntegral().getZExtValue();
1451 }
1452 
1453 //===----------------------------------------------------------------------===//
1454 // CXCursorSet.
1455 //===----------------------------------------------------------------------===//
1456 
1457 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl;
1458 
packCXCursorSet(CXCursorSet_Impl * setImpl)1459 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) {
1460   return (CXCursorSet)setImpl;
1461 }
unpackCXCursorSet(CXCursorSet set)1462 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) {
1463   return (CXCursorSet_Impl *)set;
1464 }
1465 namespace llvm {
1466 template <> struct DenseMapInfo<CXCursor> {
1467 public:
getEmptyKeyllvm::DenseMapInfo1468   static inline CXCursor getEmptyKey() {
1469     return MakeCXCursorInvalid(CXCursor_InvalidFile);
1470   }
getTombstoneKeyllvm::DenseMapInfo1471   static inline CXCursor getTombstoneKey() {
1472     return MakeCXCursorInvalid(CXCursor_NoDeclFound);
1473   }
getHashValuellvm::DenseMapInfo1474   static inline unsigned getHashValue(const CXCursor &cursor) {
1475     return llvm::DenseMapInfo<std::pair<const void *, const void *>>::
1476         getHashValue(std::make_pair(cursor.data[0], cursor.data[1]));
1477   }
isEqualllvm::DenseMapInfo1478   static inline bool isEqual(const CXCursor &x, const CXCursor &y) {
1479     return x.kind == y.kind && x.data[0] == y.data[0] && x.data[1] == y.data[1];
1480   }
1481 };
1482 } // namespace llvm
1483 
clang_createCXCursorSet()1484 CXCursorSet clang_createCXCursorSet() {
1485   return packCXCursorSet(new CXCursorSet_Impl());
1486 }
1487 
clang_disposeCXCursorSet(CXCursorSet set)1488 void clang_disposeCXCursorSet(CXCursorSet set) {
1489   delete unpackCXCursorSet(set);
1490 }
1491 
clang_CXCursorSet_contains(CXCursorSet set,CXCursor cursor)1492 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) {
1493   CXCursorSet_Impl *setImpl = unpackCXCursorSet(set);
1494   if (!setImpl)
1495     return 0;
1496   return setImpl->find(cursor) != setImpl->end();
1497 }
1498 
clang_CXCursorSet_insert(CXCursorSet set,CXCursor cursor)1499 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) {
1500   // Do not insert invalid cursors into the set.
1501   if (cursor.kind >= CXCursor_FirstInvalid &&
1502       cursor.kind <= CXCursor_LastInvalid)
1503     return 1;
1504 
1505   CXCursorSet_Impl *setImpl = unpackCXCursorSet(set);
1506   if (!setImpl)
1507     return 1;
1508   unsigned &entry = (*setImpl)[cursor];
1509   unsigned flag = entry == 0 ? 1 : 0;
1510   entry = 1;
1511   return flag;
1512 }
1513 
clang_getCursorCompletionString(CXCursor cursor)1514 CXCompletionString clang_getCursorCompletionString(CXCursor cursor) {
1515   enum CXCursorKind kind = clang_getCursorKind(cursor);
1516   if (clang_isDeclaration(kind)) {
1517     const Decl *decl = getCursorDecl(cursor);
1518     if (const NamedDecl *namedDecl = dyn_cast_or_null<NamedDecl>(decl)) {
1519       ASTUnit *unit = getCursorASTUnit(cursor);
1520       CodeCompletionResult Result(namedDecl, CCP_Declaration);
1521       CodeCompletionString *String = Result.CreateCodeCompletionString(
1522           unit->getASTContext(), unit->getPreprocessor(),
1523           CodeCompletionContext::CCC_Other,
1524           unit->getCodeCompletionTUInfo().getAllocator(),
1525           unit->getCodeCompletionTUInfo(), true);
1526       return String;
1527     }
1528   } else if (kind == CXCursor_MacroDefinition) {
1529     const MacroDefinitionRecord *definition = getCursorMacroDefinition(cursor);
1530     const IdentifierInfo *Macro = definition->getName();
1531     ASTUnit *unit = getCursorASTUnit(cursor);
1532     CodeCompletionResult Result(
1533         Macro,
1534         unit->getPreprocessor().getMacroDefinition(Macro).getMacroInfo());
1535     CodeCompletionString *String = Result.CreateCodeCompletionString(
1536         unit->getASTContext(), unit->getPreprocessor(),
1537         CodeCompletionContext::CCC_Other,
1538         unit->getCodeCompletionTUInfo().getAllocator(),
1539         unit->getCodeCompletionTUInfo(), false);
1540     return String;
1541   }
1542   return nullptr;
1543 }
1544 
1545 namespace {
1546 struct OverridenCursorsPool {
1547   typedef SmallVector<CXCursor, 2> CursorVec;
1548   std::vector<CursorVec *> AllCursors;
1549   std::vector<CursorVec *> AvailableCursors;
1550 
~OverridenCursorsPool__anon04f458790111::OverridenCursorsPool1551   ~OverridenCursorsPool() {
1552     for (std::vector<CursorVec *>::iterator I = AllCursors.begin(),
1553                                             E = AllCursors.end();
1554          I != E; ++I) {
1555       delete *I;
1556     }
1557   }
1558 };
1559 } // namespace
1560 
createOverridenCXCursorsPool()1561 void *cxcursor::createOverridenCXCursorsPool() {
1562   return new OverridenCursorsPool();
1563 }
1564 
disposeOverridenCXCursorsPool(void * pool)1565 void cxcursor::disposeOverridenCXCursorsPool(void *pool) {
1566   delete static_cast<OverridenCursorsPool *>(pool);
1567 }
1568 
clang_getOverriddenCursors(CXCursor cursor,CXCursor ** overridden,unsigned * num_overridden)1569 void clang_getOverriddenCursors(CXCursor cursor, CXCursor **overridden,
1570                                 unsigned *num_overridden) {
1571   if (overridden)
1572     *overridden = nullptr;
1573   if (num_overridden)
1574     *num_overridden = 0;
1575 
1576   CXTranslationUnit TU = cxcursor::getCursorTU(cursor);
1577 
1578   if (!overridden || !num_overridden || !TU)
1579     return;
1580 
1581   if (!clang_isDeclaration(cursor.kind))
1582     return;
1583 
1584   OverridenCursorsPool &pool =
1585       *static_cast<OverridenCursorsPool *>(TU->OverridenCursorsPool);
1586 
1587   OverridenCursorsPool::CursorVec *Vec = nullptr;
1588 
1589   if (!pool.AvailableCursors.empty()) {
1590     Vec = pool.AvailableCursors.back();
1591     pool.AvailableCursors.pop_back();
1592   } else {
1593     Vec = new OverridenCursorsPool::CursorVec();
1594     pool.AllCursors.push_back(Vec);
1595   }
1596 
1597   // Clear out the vector, but don't free the memory contents.  This
1598   // reduces malloc() traffic.
1599   Vec->clear();
1600 
1601   // Use the first entry to contain a back reference to the vector.
1602   // This is a complete hack.
1603   CXCursor backRefCursor = MakeCXCursorInvalid(CXCursor_InvalidFile, TU);
1604   backRefCursor.data[0] = Vec;
1605   assert(cxcursor::getCursorTU(backRefCursor) == TU);
1606   Vec->push_back(backRefCursor);
1607 
1608   // Get the overridden cursors.
1609   cxcursor::getOverriddenCursors(cursor, *Vec);
1610 
1611   // Did we get any overridden cursors?  If not, return Vec to the pool
1612   // of available cursor vectors.
1613   if (Vec->size() == 1) {
1614     pool.AvailableCursors.push_back(Vec);
1615     return;
1616   }
1617 
1618   // Now tell the caller about the overridden cursors.
1619   assert(Vec->size() > 1);
1620   *overridden = &((*Vec)[1]);
1621   *num_overridden = Vec->size() - 1;
1622 }
1623 
clang_disposeOverriddenCursors(CXCursor * overridden)1624 void clang_disposeOverriddenCursors(CXCursor *overridden) {
1625   if (!overridden)
1626     return;
1627 
1628   // Use pointer arithmetic to get back the first faux entry
1629   // which has a back-reference to the TU and the vector.
1630   --overridden;
1631   OverridenCursorsPool::CursorVec *Vec =
1632       static_cast<OverridenCursorsPool::CursorVec *>(
1633           const_cast<void *>(overridden->data[0]));
1634   CXTranslationUnit TU = getCursorTU(*overridden);
1635 
1636   assert(Vec && TU);
1637 
1638   OverridenCursorsPool &pool =
1639       *static_cast<OverridenCursorsPool *>(TU->OverridenCursorsPool);
1640 
1641   pool.AvailableCursors.push_back(Vec);
1642 }
1643 
clang_Cursor_isDynamicCall(CXCursor C)1644 int clang_Cursor_isDynamicCall(CXCursor C) {
1645   const Expr *E = nullptr;
1646   if (clang_isExpression(C.kind))
1647     E = getCursorExpr(C);
1648   if (!E)
1649     return 0;
1650 
1651   if (const ObjCMessageExpr *MsgE = dyn_cast<ObjCMessageExpr>(E)) {
1652     if (MsgE->getReceiverKind() != ObjCMessageExpr::Instance)
1653       return false;
1654     if (auto *RecE = dyn_cast<ObjCMessageExpr>(
1655             MsgE->getInstanceReceiver()->IgnoreParenCasts())) {
1656       if (RecE->getMethodFamily() == OMF_alloc)
1657         return false;
1658     }
1659     return true;
1660   }
1661 
1662   if (auto *PropRefE = dyn_cast<ObjCPropertyRefExpr>(E)) {
1663     return !PropRefE->isSuperReceiver();
1664   }
1665 
1666   const MemberExpr *ME = nullptr;
1667   if (isa<MemberExpr>(E))
1668     ME = cast<MemberExpr>(E);
1669   else if (const CallExpr *CE = dyn_cast<CallExpr>(E))
1670     ME = dyn_cast_or_null<MemberExpr>(CE->getCallee());
1671 
1672   if (ME) {
1673     if (const CXXMethodDecl *MD =
1674             dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl()))
1675       return MD->isVirtual() &&
1676              ME->performsVirtualDispatch(
1677                  cxcursor::getCursorContext(C).getLangOpts());
1678   }
1679 
1680   return 0;
1681 }
1682 
clang_Cursor_getReceiverType(CXCursor C)1683 CXType clang_Cursor_getReceiverType(CXCursor C) {
1684   CXTranslationUnit TU = cxcursor::getCursorTU(C);
1685   const Expr *E = nullptr;
1686   if (clang_isExpression(C.kind))
1687     E = getCursorExpr(C);
1688 
1689   if (const ObjCMessageExpr *MsgE = dyn_cast_or_null<ObjCMessageExpr>(E))
1690     return cxtype::MakeCXType(MsgE->getReceiverType(), TU);
1691 
1692   if (auto *PropRefE = dyn_cast<ObjCPropertyRefExpr>(E)) {
1693     return cxtype::MakeCXType(
1694         PropRefE->getReceiverType(cxcursor::getCursorContext(C)), TU);
1695   }
1696 
1697   const MemberExpr *ME = nullptr;
1698   if (isa<MemberExpr>(E))
1699     ME = cast<MemberExpr>(E);
1700   else if (const CallExpr *CE = dyn_cast<CallExpr>(E))
1701     ME = dyn_cast_or_null<MemberExpr>(CE->getCallee());
1702 
1703   if (ME) {
1704     if (dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) {
1705       auto receiverTy = ME->getBase()->IgnoreImpCasts()->getType();
1706       return cxtype::MakeCXType(receiverTy, TU);
1707     }
1708   }
1709 
1710   return cxtype::MakeCXType(QualType(), TU);
1711 }
1712