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