1 //===- CXCursor.cpp - Routines for manipulating CXCursors -----------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file defines routines for manipulating CXCursors. It should be the
11 // only file that has internal knowledge of the encoding of the data in
12 // CXCursor.
13 //
14 //===----------------------------------------------------------------------===//
15
16 #include "CXTranslationUnit.h"
17 #include "CXCursor.h"
18 #include "CXString.h"
19 #include "CXType.h"
20 #include "clang-c/Index.h"
21 #include "clang/AST/Attr.h"
22 #include "clang/AST/Decl.h"
23 #include "clang/AST/DeclCXX.h"
24 #include "clang/AST/DeclObjC.h"
25 #include "clang/AST/DeclTemplate.h"
26 #include "clang/AST/Expr.h"
27 #include "clang/AST/ExprCXX.h"
28 #include "clang/AST/ExprObjC.h"
29 #include "clang/Frontend/ASTUnit.h"
30 #include "llvm/Support/ErrorHandling.h"
31
32 using namespace clang;
33 using namespace cxcursor;
34
MakeCXCursorInvalid(CXCursorKind K,CXTranslationUnit TU)35 CXCursor cxcursor::MakeCXCursorInvalid(CXCursorKind K, CXTranslationUnit TU) {
36 assert(K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid);
37 CXCursor C = { K, 0, { nullptr, nullptr, TU } };
38 return C;
39 }
40
GetCursorKind(const Attr * A)41 static CXCursorKind GetCursorKind(const Attr *A) {
42 assert(A && "Invalid arguments!");
43 switch (A->getKind()) {
44 default: break;
45 case attr::IBAction: return CXCursor_IBActionAttr;
46 case attr::IBOutlet: return CXCursor_IBOutletAttr;
47 case attr::IBOutletCollection: return CXCursor_IBOutletCollectionAttr;
48 case attr::Final: return CXCursor_CXXFinalAttr;
49 case attr::Override: return CXCursor_CXXOverrideAttr;
50 case attr::Annotate: return CXCursor_AnnotateAttr;
51 case attr::AsmLabel: return CXCursor_AsmLabelAttr;
52 case attr::Packed: return CXCursor_PackedAttr;
53 case attr::Pure: return CXCursor_PureAttr;
54 case attr::Const: return CXCursor_ConstAttr;
55 case attr::NoDuplicate: return CXCursor_NoDuplicateAttr;
56 case attr::CUDAConstant: return CXCursor_CUDAConstantAttr;
57 case attr::CUDADevice: return CXCursor_CUDADeviceAttr;
58 case attr::CUDAGlobal: return CXCursor_CUDAGlobalAttr;
59 case attr::CUDAHost: return CXCursor_CUDAHostAttr;
60 case attr::CUDAShared: return CXCursor_CUDASharedAttr;
61 case attr::Visibility: return CXCursor_VisibilityAttr;
62 case attr::DLLExport: return CXCursor_DLLExport;
63 case attr::DLLImport: return CXCursor_DLLImport;
64 }
65
66 return CXCursor_UnexposedAttr;
67 }
68
MakeCXCursor(const Attr * A,const Decl * Parent,CXTranslationUnit TU)69 CXCursor cxcursor::MakeCXCursor(const Attr *A, const Decl *Parent,
70 CXTranslationUnit TU) {
71 assert(A && Parent && TU && "Invalid arguments!");
72 CXCursor C = { GetCursorKind(A), 0, { Parent, A, TU } };
73 return C;
74 }
75
MakeCXCursor(const Decl * D,CXTranslationUnit TU,SourceRange RegionOfInterest,bool FirstInDeclGroup)76 CXCursor cxcursor::MakeCXCursor(const Decl *D, CXTranslationUnit TU,
77 SourceRange RegionOfInterest,
78 bool FirstInDeclGroup) {
79 assert(D && TU && "Invalid arguments!");
80
81 CXCursorKind K = getCursorKindForDecl(D);
82
83 if (K == CXCursor_ObjCClassMethodDecl ||
84 K == CXCursor_ObjCInstanceMethodDecl) {
85 int SelectorIdIndex = -1;
86 // Check if cursor points to a selector id.
87 if (RegionOfInterest.isValid() &&
88 RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) {
89 SmallVector<SourceLocation, 16> SelLocs;
90 cast<ObjCMethodDecl>(D)->getSelectorLocs(SelLocs);
91 SmallVectorImpl<SourceLocation>::iterator
92 I=std::find(SelLocs.begin(), SelLocs.end(),RegionOfInterest.getBegin());
93 if (I != SelLocs.end())
94 SelectorIdIndex = I - SelLocs.begin();
95 }
96 CXCursor C = { K, SelectorIdIndex,
97 { D, (void*)(intptr_t) (FirstInDeclGroup ? 1 : 0), TU }};
98 return C;
99 }
100
101 CXCursor C = { K, 0, { D, (void*)(intptr_t) (FirstInDeclGroup ? 1 : 0), TU }};
102 return C;
103 }
104
MakeCXCursor(const Stmt * S,const Decl * Parent,CXTranslationUnit TU,SourceRange RegionOfInterest)105 CXCursor cxcursor::MakeCXCursor(const Stmt *S, const Decl *Parent,
106 CXTranslationUnit TU,
107 SourceRange RegionOfInterest) {
108 assert(S && TU && "Invalid arguments!");
109 CXCursorKind K = CXCursor_NotImplemented;
110
111 switch (S->getStmtClass()) {
112 case Stmt::NoStmtClass:
113 break;
114
115 case Stmt::CaseStmtClass:
116 K = CXCursor_CaseStmt;
117 break;
118
119 case Stmt::DefaultStmtClass:
120 K = CXCursor_DefaultStmt;
121 break;
122
123 case Stmt::IfStmtClass:
124 K = CXCursor_IfStmt;
125 break;
126
127 case Stmt::SwitchStmtClass:
128 K = CXCursor_SwitchStmt;
129 break;
130
131 case Stmt::WhileStmtClass:
132 K = CXCursor_WhileStmt;
133 break;
134
135 case Stmt::DoStmtClass:
136 K = CXCursor_DoStmt;
137 break;
138
139 case Stmt::ForStmtClass:
140 K = CXCursor_ForStmt;
141 break;
142
143 case Stmt::GotoStmtClass:
144 K = CXCursor_GotoStmt;
145 break;
146
147 case Stmt::IndirectGotoStmtClass:
148 K = CXCursor_IndirectGotoStmt;
149 break;
150
151 case Stmt::ContinueStmtClass:
152 K = CXCursor_ContinueStmt;
153 break;
154
155 case Stmt::BreakStmtClass:
156 K = CXCursor_BreakStmt;
157 break;
158
159 case Stmt::ReturnStmtClass:
160 K = CXCursor_ReturnStmt;
161 break;
162
163 case Stmt::GCCAsmStmtClass:
164 K = CXCursor_GCCAsmStmt;
165 break;
166
167 case Stmt::MSAsmStmtClass:
168 K = CXCursor_MSAsmStmt;
169 break;
170
171 case Stmt::ObjCAtTryStmtClass:
172 K = CXCursor_ObjCAtTryStmt;
173 break;
174
175 case Stmt::ObjCAtCatchStmtClass:
176 K = CXCursor_ObjCAtCatchStmt;
177 break;
178
179 case Stmt::ObjCAtFinallyStmtClass:
180 K = CXCursor_ObjCAtFinallyStmt;
181 break;
182
183 case Stmt::ObjCAtThrowStmtClass:
184 K = CXCursor_ObjCAtThrowStmt;
185 break;
186
187 case Stmt::ObjCAtSynchronizedStmtClass:
188 K = CXCursor_ObjCAtSynchronizedStmt;
189 break;
190
191 case Stmt::ObjCAutoreleasePoolStmtClass:
192 K = CXCursor_ObjCAutoreleasePoolStmt;
193 break;
194
195 case Stmt::ObjCForCollectionStmtClass:
196 K = CXCursor_ObjCForCollectionStmt;
197 break;
198
199 case Stmt::CXXCatchStmtClass:
200 K = CXCursor_CXXCatchStmt;
201 break;
202
203 case Stmt::CXXTryStmtClass:
204 K = CXCursor_CXXTryStmt;
205 break;
206
207 case Stmt::CXXForRangeStmtClass:
208 K = CXCursor_CXXForRangeStmt;
209 break;
210
211 case Stmt::SEHTryStmtClass:
212 K = CXCursor_SEHTryStmt;
213 break;
214
215 case Stmt::SEHExceptStmtClass:
216 K = CXCursor_SEHExceptStmt;
217 break;
218
219 case Stmt::SEHFinallyStmtClass:
220 K = CXCursor_SEHFinallyStmt;
221 break;
222
223 case Stmt::SEHLeaveStmtClass:
224 K = CXCursor_SEHLeaveStmt;
225 break;
226
227 case Stmt::ArrayTypeTraitExprClass:
228 case Stmt::AsTypeExprClass:
229 case Stmt::AtomicExprClass:
230 case Stmt::BinaryConditionalOperatorClass:
231 case Stmt::TypeTraitExprClass:
232 case Stmt::CoroutineBodyStmtClass:
233 case Stmt::CoawaitExprClass:
234 case Stmt::CoreturnStmtClass:
235 case Stmt::CoyieldExprClass:
236 case Stmt::CXXBindTemporaryExprClass:
237 case Stmt::CXXDefaultArgExprClass:
238 case Stmt::CXXDefaultInitExprClass:
239 case Stmt::CXXFoldExprClass:
240 case Stmt::CXXStdInitializerListExprClass:
241 case Stmt::CXXScalarValueInitExprClass:
242 case Stmt::CXXUuidofExprClass:
243 case Stmt::ChooseExprClass:
244 case Stmt::DesignatedInitExprClass:
245 case Stmt::DesignatedInitUpdateExprClass:
246 case Stmt::ExprWithCleanupsClass:
247 case Stmt::ExpressionTraitExprClass:
248 case Stmt::ExtVectorElementExprClass:
249 case Stmt::ImplicitCastExprClass:
250 case Stmt::ImplicitValueInitExprClass:
251 case Stmt::NoInitExprClass:
252 case Stmt::MaterializeTemporaryExprClass:
253 case Stmt::ObjCIndirectCopyRestoreExprClass:
254 case Stmt::OffsetOfExprClass:
255 case Stmt::ParenListExprClass:
256 case Stmt::PredefinedExprClass:
257 case Stmt::ShuffleVectorExprClass:
258 case Stmt::ConvertVectorExprClass:
259 case Stmt::UnaryExprOrTypeTraitExprClass:
260 case Stmt::VAArgExprClass:
261 case Stmt::ObjCArrayLiteralClass:
262 case Stmt::ObjCDictionaryLiteralClass:
263 case Stmt::ObjCBoxedExprClass:
264 case Stmt::ObjCSubscriptRefExprClass:
265 K = CXCursor_UnexposedExpr;
266 break;
267
268 case Stmt::OpaqueValueExprClass:
269 if (Expr *Src = cast<OpaqueValueExpr>(S)->getSourceExpr())
270 return MakeCXCursor(Src, Parent, TU, RegionOfInterest);
271 K = CXCursor_UnexposedExpr;
272 break;
273
274 case Stmt::PseudoObjectExprClass:
275 return MakeCXCursor(cast<PseudoObjectExpr>(S)->getSyntacticForm(),
276 Parent, TU, RegionOfInterest);
277
278 case Stmt::CompoundStmtClass:
279 K = CXCursor_CompoundStmt;
280 break;
281
282 case Stmt::NullStmtClass:
283 K = CXCursor_NullStmt;
284 break;
285
286 case Stmt::LabelStmtClass:
287 K = CXCursor_LabelStmt;
288 break;
289
290 case Stmt::AttributedStmtClass:
291 K = CXCursor_UnexposedStmt;
292 break;
293
294 case Stmt::DeclStmtClass:
295 K = CXCursor_DeclStmt;
296 break;
297
298 case Stmt::CapturedStmtClass:
299 K = CXCursor_UnexposedStmt;
300 break;
301
302 case Stmt::IntegerLiteralClass:
303 K = CXCursor_IntegerLiteral;
304 break;
305
306 case Stmt::FloatingLiteralClass:
307 K = CXCursor_FloatingLiteral;
308 break;
309
310 case Stmt::ImaginaryLiteralClass:
311 K = CXCursor_ImaginaryLiteral;
312 break;
313
314 case Stmt::StringLiteralClass:
315 K = CXCursor_StringLiteral;
316 break;
317
318 case Stmt::CharacterLiteralClass:
319 K = CXCursor_CharacterLiteral;
320 break;
321
322 case Stmt::ParenExprClass:
323 K = CXCursor_ParenExpr;
324 break;
325
326 case Stmt::UnaryOperatorClass:
327 K = CXCursor_UnaryOperator;
328 break;
329
330 case Stmt::CXXNoexceptExprClass:
331 K = CXCursor_UnaryExpr;
332 break;
333
334 case Stmt::MSPropertySubscriptExprClass:
335 case Stmt::ArraySubscriptExprClass:
336 K = CXCursor_ArraySubscriptExpr;
337 break;
338
339 case Stmt::OMPArraySectionExprClass:
340 K = CXCursor_OMPArraySectionExpr;
341 break;
342
343 case Stmt::BinaryOperatorClass:
344 K = CXCursor_BinaryOperator;
345 break;
346
347 case Stmt::CompoundAssignOperatorClass:
348 K = CXCursor_CompoundAssignOperator;
349 break;
350
351 case Stmt::ConditionalOperatorClass:
352 K = CXCursor_ConditionalOperator;
353 break;
354
355 case Stmt::CStyleCastExprClass:
356 K = CXCursor_CStyleCastExpr;
357 break;
358
359 case Stmt::CompoundLiteralExprClass:
360 K = CXCursor_CompoundLiteralExpr;
361 break;
362
363 case Stmt::InitListExprClass:
364 K = CXCursor_InitListExpr;
365 break;
366
367 case Stmt::AddrLabelExprClass:
368 K = CXCursor_AddrLabelExpr;
369 break;
370
371 case Stmt::StmtExprClass:
372 K = CXCursor_StmtExpr;
373 break;
374
375 case Stmt::GenericSelectionExprClass:
376 K = CXCursor_GenericSelectionExpr;
377 break;
378
379 case Stmt::GNUNullExprClass:
380 K = CXCursor_GNUNullExpr;
381 break;
382
383 case Stmt::CXXStaticCastExprClass:
384 K = CXCursor_CXXStaticCastExpr;
385 break;
386
387 case Stmt::CXXDynamicCastExprClass:
388 K = CXCursor_CXXDynamicCastExpr;
389 break;
390
391 case Stmt::CXXReinterpretCastExprClass:
392 K = CXCursor_CXXReinterpretCastExpr;
393 break;
394
395 case Stmt::CXXConstCastExprClass:
396 K = CXCursor_CXXConstCastExpr;
397 break;
398
399 case Stmt::CXXFunctionalCastExprClass:
400 K = CXCursor_CXXFunctionalCastExpr;
401 break;
402
403 case Stmt::CXXTypeidExprClass:
404 K = CXCursor_CXXTypeidExpr;
405 break;
406
407 case Stmt::CXXBoolLiteralExprClass:
408 K = CXCursor_CXXBoolLiteralExpr;
409 break;
410
411 case Stmt::CXXNullPtrLiteralExprClass:
412 K = CXCursor_CXXNullPtrLiteralExpr;
413 break;
414
415 case Stmt::CXXThisExprClass:
416 K = CXCursor_CXXThisExpr;
417 break;
418
419 case Stmt::CXXThrowExprClass:
420 K = CXCursor_CXXThrowExpr;
421 break;
422
423 case Stmt::CXXNewExprClass:
424 K = CXCursor_CXXNewExpr;
425 break;
426
427 case Stmt::CXXDeleteExprClass:
428 K = CXCursor_CXXDeleteExpr;
429 break;
430
431 case Stmt::ObjCStringLiteralClass:
432 K = CXCursor_ObjCStringLiteral;
433 break;
434
435 case Stmt::ObjCEncodeExprClass:
436 K = CXCursor_ObjCEncodeExpr;
437 break;
438
439 case Stmt::ObjCSelectorExprClass:
440 K = CXCursor_ObjCSelectorExpr;
441 break;
442
443 case Stmt::ObjCProtocolExprClass:
444 K = CXCursor_ObjCProtocolExpr;
445 break;
446
447 case Stmt::ObjCBoolLiteralExprClass:
448 K = CXCursor_ObjCBoolLiteralExpr;
449 break;
450
451 case Stmt::ObjCBridgedCastExprClass:
452 K = CXCursor_ObjCBridgedCastExpr;
453 break;
454
455 case Stmt::BlockExprClass:
456 K = CXCursor_BlockExpr;
457 break;
458
459 case Stmt::PackExpansionExprClass:
460 K = CXCursor_PackExpansionExpr;
461 break;
462
463 case Stmt::SizeOfPackExprClass:
464 K = CXCursor_SizeOfPackExpr;
465 break;
466
467 case Stmt::DeclRefExprClass:
468 if (const ImplicitParamDecl *IPD =
469 dyn_cast_or_null<ImplicitParamDecl>(cast<DeclRefExpr>(S)->getDecl())) {
470 if (const ObjCMethodDecl *MD =
471 dyn_cast<ObjCMethodDecl>(IPD->getDeclContext())) {
472 if (MD->getSelfDecl() == IPD) {
473 K = CXCursor_ObjCSelfExpr;
474 break;
475 }
476 }
477 }
478
479 K = CXCursor_DeclRefExpr;
480 break;
481
482 case Stmt::DependentScopeDeclRefExprClass:
483 case Stmt::SubstNonTypeTemplateParmExprClass:
484 case Stmt::SubstNonTypeTemplateParmPackExprClass:
485 case Stmt::FunctionParmPackExprClass:
486 case Stmt::UnresolvedLookupExprClass:
487 case Stmt::TypoExprClass: // A typo could actually be a DeclRef or a MemberRef
488 K = CXCursor_DeclRefExpr;
489 break;
490
491 case Stmt::CXXDependentScopeMemberExprClass:
492 case Stmt::CXXPseudoDestructorExprClass:
493 case Stmt::MemberExprClass:
494 case Stmt::MSPropertyRefExprClass:
495 case Stmt::ObjCIsaExprClass:
496 case Stmt::ObjCIvarRefExprClass:
497 case Stmt::ObjCPropertyRefExprClass:
498 case Stmt::UnresolvedMemberExprClass:
499 K = CXCursor_MemberRefExpr;
500 break;
501
502 case Stmt::CallExprClass:
503 case Stmt::CXXOperatorCallExprClass:
504 case Stmt::CXXMemberCallExprClass:
505 case Stmt::CUDAKernelCallExprClass:
506 case Stmt::CXXConstructExprClass:
507 case Stmt::CXXTemporaryObjectExprClass:
508 case Stmt::CXXUnresolvedConstructExprClass:
509 case Stmt::UserDefinedLiteralClass:
510 K = CXCursor_CallExpr;
511 break;
512
513 case Stmt::LambdaExprClass:
514 K = CXCursor_LambdaExpr;
515 break;
516
517 case Stmt::ObjCMessageExprClass: {
518 K = CXCursor_ObjCMessageExpr;
519 int SelectorIdIndex = -1;
520 // Check if cursor points to a selector id.
521 if (RegionOfInterest.isValid() &&
522 RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) {
523 SmallVector<SourceLocation, 16> SelLocs;
524 cast<ObjCMessageExpr>(S)->getSelectorLocs(SelLocs);
525 SmallVectorImpl<SourceLocation>::iterator
526 I=std::find(SelLocs.begin(), SelLocs.end(),RegionOfInterest.getBegin());
527 if (I != SelLocs.end())
528 SelectorIdIndex = I - SelLocs.begin();
529 }
530 CXCursor C = { K, 0, { Parent, S, TU } };
531 return getSelectorIdentifierCursor(SelectorIdIndex, C);
532 }
533
534 case Stmt::MSDependentExistsStmtClass:
535 K = CXCursor_UnexposedStmt;
536 break;
537 case Stmt::OMPParallelDirectiveClass:
538 K = CXCursor_OMPParallelDirective;
539 break;
540 case Stmt::OMPSimdDirectiveClass:
541 K = CXCursor_OMPSimdDirective;
542 break;
543 case Stmt::OMPForDirectiveClass:
544 K = CXCursor_OMPForDirective;
545 break;
546 case Stmt::OMPForSimdDirectiveClass:
547 K = CXCursor_OMPForSimdDirective;
548 break;
549 case Stmt::OMPSectionsDirectiveClass:
550 K = CXCursor_OMPSectionsDirective;
551 break;
552 case Stmt::OMPSectionDirectiveClass:
553 K = CXCursor_OMPSectionDirective;
554 break;
555 case Stmt::OMPSingleDirectiveClass:
556 K = CXCursor_OMPSingleDirective;
557 break;
558 case Stmt::OMPMasterDirectiveClass:
559 K = CXCursor_OMPMasterDirective;
560 break;
561 case Stmt::OMPCriticalDirectiveClass:
562 K = CXCursor_OMPCriticalDirective;
563 break;
564 case Stmt::OMPParallelForDirectiveClass:
565 K = CXCursor_OMPParallelForDirective;
566 break;
567 case Stmt::OMPParallelForSimdDirectiveClass:
568 K = CXCursor_OMPParallelForSimdDirective;
569 break;
570 case Stmt::OMPParallelSectionsDirectiveClass:
571 K = CXCursor_OMPParallelSectionsDirective;
572 break;
573 case Stmt::OMPTaskDirectiveClass:
574 K = CXCursor_OMPTaskDirective;
575 break;
576 case Stmt::OMPTaskyieldDirectiveClass:
577 K = CXCursor_OMPTaskyieldDirective;
578 break;
579 case Stmt::OMPBarrierDirectiveClass:
580 K = CXCursor_OMPBarrierDirective;
581 break;
582 case Stmt::OMPTaskwaitDirectiveClass:
583 K = CXCursor_OMPTaskwaitDirective;
584 break;
585 case Stmt::OMPTaskgroupDirectiveClass:
586 K = CXCursor_OMPTaskgroupDirective;
587 break;
588 case Stmt::OMPFlushDirectiveClass:
589 K = CXCursor_OMPFlushDirective;
590 break;
591 case Stmt::OMPOrderedDirectiveClass:
592 K = CXCursor_OMPOrderedDirective;
593 break;
594 case Stmt::OMPAtomicDirectiveClass:
595 K = CXCursor_OMPAtomicDirective;
596 break;
597 case Stmt::OMPTargetDirectiveClass:
598 K = CXCursor_OMPTargetDirective;
599 break;
600 case Stmt::OMPTargetDataDirectiveClass:
601 K = CXCursor_OMPTargetDataDirective;
602 break;
603 case Stmt::OMPTeamsDirectiveClass:
604 K = CXCursor_OMPTeamsDirective;
605 break;
606 case Stmt::OMPCancellationPointDirectiveClass:
607 K = CXCursor_OMPCancellationPointDirective;
608 break;
609 case Stmt::OMPCancelDirectiveClass:
610 K = CXCursor_OMPCancelDirective;
611 break;
612 case Stmt::OMPTaskLoopDirectiveClass:
613 K = CXCursor_OMPTaskLoopDirective;
614 break;
615 case Stmt::OMPTaskLoopSimdDirectiveClass:
616 K = CXCursor_OMPTaskLoopSimdDirective;
617 break;
618 case Stmt::OMPDistributeDirectiveClass:
619 K = CXCursor_OMPDistributeDirective;
620 break;
621 }
622
623 CXCursor C = { K, 0, { Parent, S, TU } };
624 return C;
625 }
626
MakeCursorObjCSuperClassRef(ObjCInterfaceDecl * Super,SourceLocation Loc,CXTranslationUnit TU)627 CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super,
628 SourceLocation Loc,
629 CXTranslationUnit TU) {
630 assert(Super && TU && "Invalid arguments!");
631 void *RawLoc = Loc.getPtrEncoding();
632 CXCursor C = { CXCursor_ObjCSuperClassRef, 0, { Super, RawLoc, TU } };
633 return C;
634 }
635
636 std::pair<const ObjCInterfaceDecl *, SourceLocation>
getCursorObjCSuperClassRef(CXCursor C)637 cxcursor::getCursorObjCSuperClassRef(CXCursor C) {
638 assert(C.kind == CXCursor_ObjCSuperClassRef);
639 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]),
640 SourceLocation::getFromPtrEncoding(C.data[1]));
641 }
642
MakeCursorObjCProtocolRef(const ObjCProtocolDecl * Proto,SourceLocation Loc,CXTranslationUnit TU)643 CXCursor cxcursor::MakeCursorObjCProtocolRef(const ObjCProtocolDecl *Proto,
644 SourceLocation Loc,
645 CXTranslationUnit TU) {
646 assert(Proto && TU && "Invalid arguments!");
647 void *RawLoc = Loc.getPtrEncoding();
648 CXCursor C = { CXCursor_ObjCProtocolRef, 0, { Proto, RawLoc, TU } };
649 return C;
650 }
651
652 std::pair<const ObjCProtocolDecl *, SourceLocation>
getCursorObjCProtocolRef(CXCursor C)653 cxcursor::getCursorObjCProtocolRef(CXCursor C) {
654 assert(C.kind == CXCursor_ObjCProtocolRef);
655 return std::make_pair(static_cast<const ObjCProtocolDecl *>(C.data[0]),
656 SourceLocation::getFromPtrEncoding(C.data[1]));
657 }
658
MakeCursorObjCClassRef(const ObjCInterfaceDecl * Class,SourceLocation Loc,CXTranslationUnit TU)659 CXCursor cxcursor::MakeCursorObjCClassRef(const ObjCInterfaceDecl *Class,
660 SourceLocation Loc,
661 CXTranslationUnit TU) {
662 // 'Class' can be null for invalid code.
663 if (!Class)
664 return MakeCXCursorInvalid(CXCursor_InvalidCode);
665 assert(TU && "Invalid arguments!");
666 void *RawLoc = Loc.getPtrEncoding();
667 CXCursor C = { CXCursor_ObjCClassRef, 0, { Class, RawLoc, TU } };
668 return C;
669 }
670
671 std::pair<const ObjCInterfaceDecl *, SourceLocation>
getCursorObjCClassRef(CXCursor C)672 cxcursor::getCursorObjCClassRef(CXCursor C) {
673 assert(C.kind == CXCursor_ObjCClassRef);
674 return std::make_pair(static_cast<const ObjCInterfaceDecl *>(C.data[0]),
675 SourceLocation::getFromPtrEncoding(C.data[1]));
676 }
677
MakeCursorTypeRef(const TypeDecl * Type,SourceLocation Loc,CXTranslationUnit TU)678 CXCursor cxcursor::MakeCursorTypeRef(const TypeDecl *Type, SourceLocation Loc,
679 CXTranslationUnit TU) {
680 assert(Type && TU && "Invalid arguments!");
681 void *RawLoc = Loc.getPtrEncoding();
682 CXCursor C = { CXCursor_TypeRef, 0, { Type, RawLoc, TU } };
683 return C;
684 }
685
686 std::pair<const TypeDecl *, SourceLocation>
getCursorTypeRef(CXCursor C)687 cxcursor::getCursorTypeRef(CXCursor C) {
688 assert(C.kind == CXCursor_TypeRef);
689 return std::make_pair(static_cast<const TypeDecl *>(C.data[0]),
690 SourceLocation::getFromPtrEncoding(C.data[1]));
691 }
692
MakeCursorTemplateRef(const TemplateDecl * Template,SourceLocation Loc,CXTranslationUnit TU)693 CXCursor cxcursor::MakeCursorTemplateRef(const TemplateDecl *Template,
694 SourceLocation Loc,
695 CXTranslationUnit TU) {
696 assert(Template && TU && "Invalid arguments!");
697 void *RawLoc = Loc.getPtrEncoding();
698 CXCursor C = { CXCursor_TemplateRef, 0, { Template, RawLoc, TU } };
699 return C;
700 }
701
702 std::pair<const TemplateDecl *, SourceLocation>
getCursorTemplateRef(CXCursor C)703 cxcursor::getCursorTemplateRef(CXCursor C) {
704 assert(C.kind == CXCursor_TemplateRef);
705 return std::make_pair(static_cast<const TemplateDecl *>(C.data[0]),
706 SourceLocation::getFromPtrEncoding(C.data[1]));
707 }
708
MakeCursorNamespaceRef(const NamedDecl * NS,SourceLocation Loc,CXTranslationUnit TU)709 CXCursor cxcursor::MakeCursorNamespaceRef(const NamedDecl *NS,
710 SourceLocation Loc,
711 CXTranslationUnit TU) {
712
713 assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU &&
714 "Invalid arguments!");
715 void *RawLoc = Loc.getPtrEncoding();
716 CXCursor C = { CXCursor_NamespaceRef, 0, { NS, RawLoc, TU } };
717 return C;
718 }
719
720 std::pair<const NamedDecl *, SourceLocation>
getCursorNamespaceRef(CXCursor C)721 cxcursor::getCursorNamespaceRef(CXCursor C) {
722 assert(C.kind == CXCursor_NamespaceRef);
723 return std::make_pair(static_cast<const NamedDecl *>(C.data[0]),
724 SourceLocation::getFromPtrEncoding(C.data[1]));
725 }
726
MakeCursorVariableRef(const VarDecl * Var,SourceLocation Loc,CXTranslationUnit TU)727 CXCursor cxcursor::MakeCursorVariableRef(const VarDecl *Var, SourceLocation Loc,
728 CXTranslationUnit TU) {
729
730 assert(Var && TU && "Invalid arguments!");
731 void *RawLoc = Loc.getPtrEncoding();
732 CXCursor C = { CXCursor_VariableRef, 0, { Var, RawLoc, TU } };
733 return C;
734 }
735
736 std::pair<const VarDecl *, SourceLocation>
getCursorVariableRef(CXCursor C)737 cxcursor::getCursorVariableRef(CXCursor C) {
738 assert(C.kind == CXCursor_VariableRef);
739 return std::make_pair(static_cast<const VarDecl *>(C.data[0]),
740 SourceLocation::getFromPtrEncoding(C.data[1]));
741 }
742
MakeCursorMemberRef(const FieldDecl * Field,SourceLocation Loc,CXTranslationUnit TU)743 CXCursor cxcursor::MakeCursorMemberRef(const FieldDecl *Field, SourceLocation Loc,
744 CXTranslationUnit TU) {
745
746 assert(Field && TU && "Invalid arguments!");
747 void *RawLoc = Loc.getPtrEncoding();
748 CXCursor C = { CXCursor_MemberRef, 0, { Field, RawLoc, TU } };
749 return C;
750 }
751
752 std::pair<const FieldDecl *, SourceLocation>
getCursorMemberRef(CXCursor C)753 cxcursor::getCursorMemberRef(CXCursor C) {
754 assert(C.kind == CXCursor_MemberRef);
755 return std::make_pair(static_cast<const FieldDecl *>(C.data[0]),
756 SourceLocation::getFromPtrEncoding(C.data[1]));
757 }
758
MakeCursorCXXBaseSpecifier(const CXXBaseSpecifier * B,CXTranslationUnit TU)759 CXCursor cxcursor::MakeCursorCXXBaseSpecifier(const CXXBaseSpecifier *B,
760 CXTranslationUnit TU){
761 CXCursor C = { CXCursor_CXXBaseSpecifier, 0, { B, nullptr, TU } };
762 return C;
763 }
764
getCursorCXXBaseSpecifier(CXCursor C)765 const CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) {
766 assert(C.kind == CXCursor_CXXBaseSpecifier);
767 return static_cast<const CXXBaseSpecifier*>(C.data[0]);
768 }
769
MakePreprocessingDirectiveCursor(SourceRange Range,CXTranslationUnit TU)770 CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range,
771 CXTranslationUnit TU) {
772 CXCursor C = { CXCursor_PreprocessingDirective, 0,
773 { Range.getBegin().getPtrEncoding(),
774 Range.getEnd().getPtrEncoding(),
775 TU }
776 };
777 return C;
778 }
779
getCursorPreprocessingDirective(CXCursor C)780 SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) {
781 assert(C.kind == CXCursor_PreprocessingDirective);
782 SourceRange Range(SourceLocation::getFromPtrEncoding(C.data[0]),
783 SourceLocation::getFromPtrEncoding(C.data[1]));
784 ASTUnit *TU = getCursorASTUnit(C);
785 return TU->mapRangeFromPreamble(Range);
786 }
787
MakeMacroDefinitionCursor(const MacroDefinitionRecord * MI,CXTranslationUnit TU)788 CXCursor cxcursor::MakeMacroDefinitionCursor(const MacroDefinitionRecord *MI,
789 CXTranslationUnit TU) {
790 CXCursor C = {CXCursor_MacroDefinition, 0, {MI, nullptr, TU}};
791 return C;
792 }
793
getCursorMacroDefinition(CXCursor C)794 const MacroDefinitionRecord *cxcursor::getCursorMacroDefinition(CXCursor C) {
795 assert(C.kind == CXCursor_MacroDefinition);
796 return static_cast<const MacroDefinitionRecord *>(C.data[0]);
797 }
798
MakeMacroExpansionCursor(MacroExpansion * MI,CXTranslationUnit TU)799 CXCursor cxcursor::MakeMacroExpansionCursor(MacroExpansion *MI,
800 CXTranslationUnit TU) {
801 CXCursor C = { CXCursor_MacroExpansion, 0, { MI, nullptr, TU } };
802 return C;
803 }
804
MakeMacroExpansionCursor(MacroDefinitionRecord * MI,SourceLocation Loc,CXTranslationUnit TU)805 CXCursor cxcursor::MakeMacroExpansionCursor(MacroDefinitionRecord *MI,
806 SourceLocation Loc,
807 CXTranslationUnit TU) {
808 assert(Loc.isValid());
809 CXCursor C = {CXCursor_MacroExpansion, 0, {MI, Loc.getPtrEncoding(), TU}};
810 return C;
811 }
812
getName() const813 const IdentifierInfo *cxcursor::MacroExpansionCursor::getName() const {
814 if (isPseudo())
815 return getAsMacroDefinition()->getName();
816 return getAsMacroExpansion()->getName();
817 }
818 const MacroDefinitionRecord *
getDefinition() const819 cxcursor::MacroExpansionCursor::getDefinition() const {
820 if (isPseudo())
821 return getAsMacroDefinition();
822 return getAsMacroExpansion()->getDefinition();
823 }
getSourceRange() const824 SourceRange cxcursor::MacroExpansionCursor::getSourceRange() const {
825 if (isPseudo())
826 return getPseudoLoc();
827 return getAsMacroExpansion()->getSourceRange();
828 }
829
MakeInclusionDirectiveCursor(InclusionDirective * ID,CXTranslationUnit TU)830 CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID,
831 CXTranslationUnit TU) {
832 CXCursor C = { CXCursor_InclusionDirective, 0, { ID, nullptr, TU } };
833 return C;
834 }
835
getCursorInclusionDirective(CXCursor C)836 const InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) {
837 assert(C.kind == CXCursor_InclusionDirective);
838 return static_cast<const InclusionDirective *>(C.data[0]);
839 }
840
MakeCursorLabelRef(LabelStmt * Label,SourceLocation Loc,CXTranslationUnit TU)841 CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc,
842 CXTranslationUnit TU) {
843
844 assert(Label && TU && "Invalid arguments!");
845 void *RawLoc = Loc.getPtrEncoding();
846 CXCursor C = { CXCursor_LabelRef, 0, { Label, RawLoc, TU } };
847 return C;
848 }
849
850 std::pair<const LabelStmt *, SourceLocation>
getCursorLabelRef(CXCursor C)851 cxcursor::getCursorLabelRef(CXCursor C) {
852 assert(C.kind == CXCursor_LabelRef);
853 return std::make_pair(static_cast<const LabelStmt *>(C.data[0]),
854 SourceLocation::getFromPtrEncoding(C.data[1]));
855 }
856
MakeCursorOverloadedDeclRef(const OverloadExpr * E,CXTranslationUnit TU)857 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const OverloadExpr *E,
858 CXTranslationUnit TU) {
859 assert(E && TU && "Invalid arguments!");
860 OverloadedDeclRefStorage Storage(E);
861 void *RawLoc = E->getNameLoc().getPtrEncoding();
862 CXCursor C = {
863 CXCursor_OverloadedDeclRef, 0,
864 { Storage.getOpaqueValue(), RawLoc, TU }
865 };
866 return C;
867 }
868
MakeCursorOverloadedDeclRef(const Decl * D,SourceLocation Loc,CXTranslationUnit TU)869 CXCursor cxcursor::MakeCursorOverloadedDeclRef(const Decl *D,
870 SourceLocation Loc,
871 CXTranslationUnit TU) {
872 assert(D && TU && "Invalid arguments!");
873 void *RawLoc = Loc.getPtrEncoding();
874 OverloadedDeclRefStorage Storage(D);
875 CXCursor C = {
876 CXCursor_OverloadedDeclRef, 0,
877 { Storage.getOpaqueValue(), RawLoc, TU }
878 };
879 return C;
880 }
881
MakeCursorOverloadedDeclRef(TemplateName Name,SourceLocation Loc,CXTranslationUnit TU)882 CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name,
883 SourceLocation Loc,
884 CXTranslationUnit TU) {
885 assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!");
886 void *RawLoc = Loc.getPtrEncoding();
887 OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate());
888 CXCursor C = {
889 CXCursor_OverloadedDeclRef, 0,
890 { Storage.getOpaqueValue(), RawLoc, TU }
891 };
892 return C;
893 }
894
895 std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation>
getCursorOverloadedDeclRef(CXCursor C)896 cxcursor::getCursorOverloadedDeclRef(CXCursor C) {
897 assert(C.kind == CXCursor_OverloadedDeclRef);
898 return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue(
899 const_cast<void *>(C.data[0])),
900 SourceLocation::getFromPtrEncoding(C.data[1]));
901 }
902
getCursorDecl(CXCursor Cursor)903 const Decl *cxcursor::getCursorDecl(CXCursor Cursor) {
904 return static_cast<const Decl *>(Cursor.data[0]);
905 }
906
getCursorExpr(CXCursor Cursor)907 const Expr *cxcursor::getCursorExpr(CXCursor Cursor) {
908 return dyn_cast_or_null<Expr>(getCursorStmt(Cursor));
909 }
910
getCursorStmt(CXCursor Cursor)911 const Stmt *cxcursor::getCursorStmt(CXCursor Cursor) {
912 if (Cursor.kind == CXCursor_ObjCSuperClassRef ||
913 Cursor.kind == CXCursor_ObjCProtocolRef ||
914 Cursor.kind == CXCursor_ObjCClassRef)
915 return nullptr;
916
917 return static_cast<const Stmt *>(Cursor.data[1]);
918 }
919
getCursorAttr(CXCursor Cursor)920 const Attr *cxcursor::getCursorAttr(CXCursor Cursor) {
921 return static_cast<const Attr *>(Cursor.data[1]);
922 }
923
getCursorParentDecl(CXCursor Cursor)924 const Decl *cxcursor::getCursorParentDecl(CXCursor Cursor) {
925 return static_cast<const Decl *>(Cursor.data[0]);
926 }
927
getCursorContext(CXCursor Cursor)928 ASTContext &cxcursor::getCursorContext(CXCursor Cursor) {
929 return getCursorASTUnit(Cursor)->getASTContext();
930 }
931
getCursorASTUnit(CXCursor Cursor)932 ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) {
933 CXTranslationUnit TU = getCursorTU(Cursor);
934 if (!TU)
935 return nullptr;
936 return cxtu::getASTUnit(TU);
937 }
938
getCursorTU(CXCursor Cursor)939 CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) {
940 return static_cast<CXTranslationUnit>(const_cast<void*>(Cursor.data[2]));
941 }
942
getOverriddenCursors(CXCursor cursor,SmallVectorImpl<CXCursor> & overridden)943 void cxcursor::getOverriddenCursors(CXCursor cursor,
944 SmallVectorImpl<CXCursor> &overridden) {
945 assert(clang_isDeclaration(cursor.kind));
946 const NamedDecl *D = dyn_cast_or_null<NamedDecl>(getCursorDecl(cursor));
947 if (!D)
948 return;
949
950 CXTranslationUnit TU = getCursorTU(cursor);
951 SmallVector<const NamedDecl *, 8> OverDecls;
952 D->getASTContext().getOverriddenMethods(D, OverDecls);
953
954 for (SmallVectorImpl<const NamedDecl *>::iterator
955 I = OverDecls.begin(), E = OverDecls.end(); I != E; ++I) {
956 overridden.push_back(MakeCXCursor(*I, TU));
957 }
958 }
959
960 std::pair<int, SourceLocation>
getSelectorIdentifierIndexAndLoc(CXCursor cursor)961 cxcursor::getSelectorIdentifierIndexAndLoc(CXCursor cursor) {
962 if (cursor.kind == CXCursor_ObjCMessageExpr) {
963 if (cursor.xdata != -1)
964 return std::make_pair(cursor.xdata,
965 cast<ObjCMessageExpr>(getCursorExpr(cursor))
966 ->getSelectorLoc(cursor.xdata));
967 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl ||
968 cursor.kind == CXCursor_ObjCInstanceMethodDecl) {
969 if (cursor.xdata != -1)
970 return std::make_pair(cursor.xdata,
971 cast<ObjCMethodDecl>(getCursorDecl(cursor))
972 ->getSelectorLoc(cursor.xdata));
973 }
974
975 return std::make_pair(-1, SourceLocation());
976 }
977
getSelectorIdentifierCursor(int SelIdx,CXCursor cursor)978 CXCursor cxcursor::getSelectorIdentifierCursor(int SelIdx, CXCursor cursor) {
979 CXCursor newCursor = cursor;
980
981 if (cursor.kind == CXCursor_ObjCMessageExpr) {
982 if (SelIdx == -1 ||
983 unsigned(SelIdx) >= cast<ObjCMessageExpr>(getCursorExpr(cursor))
984 ->getNumSelectorLocs())
985 newCursor.xdata = -1;
986 else
987 newCursor.xdata = SelIdx;
988 } else if (cursor.kind == CXCursor_ObjCClassMethodDecl ||
989 cursor.kind == CXCursor_ObjCInstanceMethodDecl) {
990 if (SelIdx == -1 ||
991 unsigned(SelIdx) >= cast<ObjCMethodDecl>(getCursorDecl(cursor))
992 ->getNumSelectorLocs())
993 newCursor.xdata = -1;
994 else
995 newCursor.xdata = SelIdx;
996 }
997
998 return newCursor;
999 }
1000
getTypeRefCursor(CXCursor cursor)1001 CXCursor cxcursor::getTypeRefCursor(CXCursor cursor) {
1002 if (cursor.kind != CXCursor_CallExpr)
1003 return cursor;
1004
1005 if (cursor.xdata == 0)
1006 return cursor;
1007
1008 const Expr *E = getCursorExpr(cursor);
1009 TypeSourceInfo *Type = nullptr;
1010 if (const CXXUnresolvedConstructExpr *
1011 UnCtor = dyn_cast<CXXUnresolvedConstructExpr>(E)) {
1012 Type = UnCtor->getTypeSourceInfo();
1013 } else if (const CXXTemporaryObjectExpr *Tmp =
1014 dyn_cast<CXXTemporaryObjectExpr>(E)){
1015 Type = Tmp->getTypeSourceInfo();
1016 }
1017
1018 if (!Type)
1019 return cursor;
1020
1021 CXTranslationUnit TU = getCursorTU(cursor);
1022 QualType Ty = Type->getType();
1023 TypeLoc TL = Type->getTypeLoc();
1024 SourceLocation Loc = TL.getBeginLoc();
1025
1026 if (const ElaboratedType *ElabT = Ty->getAs<ElaboratedType>()) {
1027 Ty = ElabT->getNamedType();
1028 ElaboratedTypeLoc ElabTL = TL.castAs<ElaboratedTypeLoc>();
1029 Loc = ElabTL.getNamedTypeLoc().getBeginLoc();
1030 }
1031
1032 if (const TypedefType *Typedef = Ty->getAs<TypedefType>())
1033 return MakeCursorTypeRef(Typedef->getDecl(), Loc, TU);
1034 if (const TagType *Tag = Ty->getAs<TagType>())
1035 return MakeCursorTypeRef(Tag->getDecl(), Loc, TU);
1036 if (const TemplateTypeParmType *TemplP = Ty->getAs<TemplateTypeParmType>())
1037 return MakeCursorTypeRef(TemplP->getDecl(), Loc, TU);
1038
1039 return cursor;
1040 }
1041
operator ==(CXCursor X,CXCursor Y)1042 bool cxcursor::operator==(CXCursor X, CXCursor Y) {
1043 return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] &&
1044 X.data[2] == Y.data[2];
1045 }
1046
1047 // FIXME: Remove once we can model DeclGroups and their appropriate ranges
1048 // properly in the ASTs.
isFirstInDeclGroup(CXCursor C)1049 bool cxcursor::isFirstInDeclGroup(CXCursor C) {
1050 assert(clang_isDeclaration(C.kind));
1051 return ((uintptr_t) (C.data[1])) != 0;
1052 }
1053
1054 //===----------------------------------------------------------------------===//
1055 // libclang CXCursor APIs
1056 //===----------------------------------------------------------------------===//
1057
1058 extern "C" {
1059
clang_Cursor_isNull(CXCursor cursor)1060 int clang_Cursor_isNull(CXCursor cursor) {
1061 return clang_equalCursors(cursor, clang_getNullCursor());
1062 }
1063
clang_Cursor_getTranslationUnit(CXCursor cursor)1064 CXTranslationUnit clang_Cursor_getTranslationUnit(CXCursor cursor) {
1065 return getCursorTU(cursor);
1066 }
1067
clang_Cursor_getNumArguments(CXCursor C)1068 int clang_Cursor_getNumArguments(CXCursor C) {
1069 if (clang_isDeclaration(C.kind)) {
1070 const Decl *D = cxcursor::getCursorDecl(C);
1071 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D))
1072 return MD->param_size();
1073 if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D))
1074 return FD->param_size();
1075 }
1076
1077 if (clang_isExpression(C.kind)) {
1078 const Expr *E = cxcursor::getCursorExpr(C);
1079 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) {
1080 return CE->getNumArgs();
1081 }
1082 }
1083
1084 return -1;
1085 }
1086
clang_Cursor_getArgument(CXCursor C,unsigned i)1087 CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i) {
1088 if (clang_isDeclaration(C.kind)) {
1089 const Decl *D = cxcursor::getCursorDecl(C);
1090 if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) {
1091 if (i < MD->param_size())
1092 return cxcursor::MakeCXCursor(MD->parameters()[i],
1093 cxcursor::getCursorTU(C));
1094 } else if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) {
1095 if (i < FD->param_size())
1096 return cxcursor::MakeCXCursor(FD->parameters()[i],
1097 cxcursor::getCursorTU(C));
1098 }
1099 }
1100
1101 if (clang_isExpression(C.kind)) {
1102 const Expr *E = cxcursor::getCursorExpr(C);
1103 if (const CallExpr *CE = dyn_cast<CallExpr>(E)) {
1104 if (i < CE->getNumArgs()) {
1105 return cxcursor::MakeCXCursor(CE->getArg(i),
1106 getCursorDecl(C),
1107 cxcursor::getCursorTU(C));
1108 }
1109 }
1110 }
1111
1112 return clang_getNullCursor();
1113 }
1114
clang_Cursor_getNumTemplateArguments(CXCursor C)1115 int clang_Cursor_getNumTemplateArguments(CXCursor C) {
1116 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) {
1117 return -1;
1118 }
1119
1120 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>(
1121 getCursorDecl(C));
1122 if (!FD) {
1123 return -1;
1124 }
1125
1126 const FunctionTemplateSpecializationInfo* SpecInfo =
1127 FD->getTemplateSpecializationInfo();
1128 if (!SpecInfo) {
1129 return -1;
1130 }
1131
1132 return SpecInfo->TemplateArguments->size();
1133 }
1134
1135 enum CXGetTemplateArgumentStatus {
1136 /** \brief The operation completed successfully */
1137 CXGetTemplateArgumentStatus_Success = 0,
1138
1139 /** \brief The specified cursor did not represent a FunctionDecl. */
1140 CXGetTemplateArgumentStatus_CursorNotFunctionDecl = -1,
1141
1142 /** \brief The specified cursor was not castable to a FunctionDecl. */
1143 CXGetTemplateArgumentStatus_BadFunctionDeclCast = -2,
1144
1145 /** \brief A NULL FunctionTemplateSpecializationInfo was retrieved. */
1146 CXGetTemplateArgumentStatus_NullTemplSpecInfo = -3,
1147
1148 /** \brief An invalid (OOB) argument index was specified */
1149 CXGetTemplateArgumentStatus_InvalidIndex = -4
1150 };
1151
clang_Cursor_getTemplateArgument(CXCursor C,unsigned I,TemplateArgument * TA)1152 static int clang_Cursor_getTemplateArgument(
1153 CXCursor C, unsigned I, TemplateArgument *TA) {
1154 if (clang_getCursorKind(C) != CXCursor_FunctionDecl) {
1155 return CXGetTemplateArgumentStatus_CursorNotFunctionDecl;
1156 }
1157
1158 const FunctionDecl *FD = llvm::dyn_cast_or_null<clang::FunctionDecl>(
1159 getCursorDecl(C));
1160 if (!FD) {
1161 return CXGetTemplateArgumentStatus_BadFunctionDeclCast;
1162 }
1163
1164 const FunctionTemplateSpecializationInfo* SpecInfo =
1165 FD->getTemplateSpecializationInfo();
1166 if (!SpecInfo) {
1167 return CXGetTemplateArgumentStatus_NullTemplSpecInfo;
1168 }
1169
1170 if (I >= SpecInfo->TemplateArguments->size()) {
1171 return CXGetTemplateArgumentStatus_InvalidIndex;
1172 }
1173
1174 *TA = SpecInfo->TemplateArguments->get(I);
1175 return 0;
1176 }
1177
clang_Cursor_getTemplateArgumentKind(CXCursor C,unsigned I)1178 enum CXTemplateArgumentKind clang_Cursor_getTemplateArgumentKind(CXCursor C,
1179 unsigned I) {
1180 TemplateArgument TA;
1181 if (clang_Cursor_getTemplateArgument(C, I, &TA)) {
1182 return CXTemplateArgumentKind_Invalid;
1183 }
1184
1185 switch (TA.getKind()) {
1186 case TemplateArgument::Null: return CXTemplateArgumentKind_Null;
1187 case TemplateArgument::Type: return CXTemplateArgumentKind_Type;
1188 case TemplateArgument::Declaration:
1189 return CXTemplateArgumentKind_Declaration;
1190 case TemplateArgument::NullPtr: return CXTemplateArgumentKind_NullPtr;
1191 case TemplateArgument::Integral: return CXTemplateArgumentKind_Integral;
1192 case TemplateArgument::Template: return CXTemplateArgumentKind_Template;
1193 case TemplateArgument::TemplateExpansion:
1194 return CXTemplateArgumentKind_TemplateExpansion;
1195 case TemplateArgument::Expression: return CXTemplateArgumentKind_Expression;
1196 case TemplateArgument::Pack: return CXTemplateArgumentKind_Pack;
1197 }
1198
1199 return CXTemplateArgumentKind_Invalid;
1200 }
1201
clang_Cursor_getTemplateArgumentType(CXCursor C,unsigned I)1202 CXType clang_Cursor_getTemplateArgumentType(CXCursor C, unsigned I) {
1203 TemplateArgument TA;
1204 if (clang_Cursor_getTemplateArgument(C, I, &TA) !=
1205 CXGetTemplateArgumentStatus_Success) {
1206 return cxtype::MakeCXType(QualType(), getCursorTU(C));
1207 }
1208
1209 if (TA.getKind() != TemplateArgument::Type) {
1210 return cxtype::MakeCXType(QualType(), getCursorTU(C));
1211 }
1212
1213 return cxtype::MakeCXType(TA.getAsType(), getCursorTU(C));
1214 }
1215
clang_Cursor_getTemplateArgumentValue(CXCursor C,unsigned I)1216 long long clang_Cursor_getTemplateArgumentValue(CXCursor C, unsigned I) {
1217 TemplateArgument TA;
1218 if (clang_Cursor_getTemplateArgument(C, I, &TA) !=
1219 CXGetTemplateArgumentStatus_Success) {
1220 assert(0 && "Unable to retrieve TemplateArgument");
1221 return 0;
1222 }
1223
1224 if (TA.getKind() != TemplateArgument::Integral) {
1225 assert(0 && "Passed template argument is not Integral");
1226 return 0;
1227 }
1228
1229 return TA.getAsIntegral().getSExtValue();
1230 }
1231
clang_Cursor_getTemplateArgumentUnsignedValue(CXCursor C,unsigned I)1232 unsigned long long clang_Cursor_getTemplateArgumentUnsignedValue(CXCursor C,
1233 unsigned I) {
1234 TemplateArgument TA;
1235 if (clang_Cursor_getTemplateArgument(C, I, &TA) !=
1236 CXGetTemplateArgumentStatus_Success) {
1237 assert(0 && "Unable to retrieve TemplateArgument");
1238 return 0;
1239 }
1240
1241 if (TA.getKind() != TemplateArgument::Integral) {
1242 assert(0 && "Passed template argument is not Integral");
1243 return 0;
1244 }
1245
1246 return TA.getAsIntegral().getZExtValue();
1247 }
1248
1249 } // end: extern "C"
1250
1251 //===----------------------------------------------------------------------===//
1252 // CXCursorSet.
1253 //===----------------------------------------------------------------------===//
1254
1255 typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl;
1256
packCXCursorSet(CXCursorSet_Impl * setImpl)1257 static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) {
1258 return (CXCursorSet) setImpl;
1259 }
unpackCXCursorSet(CXCursorSet set)1260 static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) {
1261 return (CXCursorSet_Impl*) set;
1262 }
1263 namespace llvm {
1264 template<> struct DenseMapInfo<CXCursor> {
1265 public:
getEmptyKeyllvm::DenseMapInfo1266 static inline CXCursor getEmptyKey() {
1267 return MakeCXCursorInvalid(CXCursor_InvalidFile);
1268 }
getTombstoneKeyllvm::DenseMapInfo1269 static inline CXCursor getTombstoneKey() {
1270 return MakeCXCursorInvalid(CXCursor_NoDeclFound);
1271 }
getHashValuellvm::DenseMapInfo1272 static inline unsigned getHashValue(const CXCursor &cursor) {
1273 return llvm::DenseMapInfo<std::pair<const void *, const void *> >
1274 ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1]));
1275 }
isEqualllvm::DenseMapInfo1276 static inline bool isEqual(const CXCursor &x, const CXCursor &y) {
1277 return x.kind == y.kind &&
1278 x.data[0] == y.data[0] &&
1279 x.data[1] == y.data[1];
1280 }
1281 };
1282 }
1283
1284 extern "C" {
clang_createCXCursorSet()1285 CXCursorSet clang_createCXCursorSet() {
1286 return packCXCursorSet(new CXCursorSet_Impl());
1287 }
1288
clang_disposeCXCursorSet(CXCursorSet set)1289 void clang_disposeCXCursorSet(CXCursorSet set) {
1290 delete unpackCXCursorSet(set);
1291 }
1292
clang_CXCursorSet_contains(CXCursorSet set,CXCursor cursor)1293 unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) {
1294 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set);
1295 if (!setImpl)
1296 return 0;
1297 return setImpl->find(cursor) != setImpl->end();
1298 }
1299
clang_CXCursorSet_insert(CXCursorSet set,CXCursor cursor)1300 unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) {
1301 // Do not insert invalid cursors into the set.
1302 if (cursor.kind >= CXCursor_FirstInvalid &&
1303 cursor.kind <= CXCursor_LastInvalid)
1304 return 1;
1305
1306 CXCursorSet_Impl *setImpl = unpackCXCursorSet(set);
1307 if (!setImpl)
1308 return 1;
1309 unsigned &entry = (*setImpl)[cursor];
1310 unsigned flag = entry == 0 ? 1 : 0;
1311 entry = 1;
1312 return flag;
1313 }
1314
clang_getCursorCompletionString(CXCursor cursor)1315 CXCompletionString clang_getCursorCompletionString(CXCursor cursor) {
1316 enum CXCursorKind kind = clang_getCursorKind(cursor);
1317 if (clang_isDeclaration(kind)) {
1318 const Decl *decl = getCursorDecl(cursor);
1319 if (const NamedDecl *namedDecl = dyn_cast_or_null<NamedDecl>(decl)) {
1320 ASTUnit *unit = getCursorASTUnit(cursor);
1321 CodeCompletionResult Result(namedDecl, CCP_Declaration);
1322 CodeCompletionString *String
1323 = Result.CreateCodeCompletionString(unit->getASTContext(),
1324 unit->getPreprocessor(),
1325 CodeCompletionContext::CCC_Other,
1326 unit->getCodeCompletionTUInfo().getAllocator(),
1327 unit->getCodeCompletionTUInfo(),
1328 true);
1329 return String;
1330 }
1331 } else if (kind == CXCursor_MacroDefinition) {
1332 const MacroDefinitionRecord *definition = getCursorMacroDefinition(cursor);
1333 const IdentifierInfo *MacroInfo = definition->getName();
1334 ASTUnit *unit = getCursorASTUnit(cursor);
1335 CodeCompletionResult Result(MacroInfo);
1336 CodeCompletionString *String
1337 = Result.CreateCodeCompletionString(unit->getASTContext(),
1338 unit->getPreprocessor(),
1339 CodeCompletionContext::CCC_Other,
1340 unit->getCodeCompletionTUInfo().getAllocator(),
1341 unit->getCodeCompletionTUInfo(),
1342 false);
1343 return String;
1344 }
1345 return nullptr;
1346 }
1347 } // end: extern C.
1348
1349 namespace {
1350 struct OverridenCursorsPool {
1351 typedef SmallVector<CXCursor, 2> CursorVec;
1352 std::vector<CursorVec*> AllCursors;
1353 std::vector<CursorVec*> AvailableCursors;
1354
~OverridenCursorsPool__anon183437c60111::OverridenCursorsPool1355 ~OverridenCursorsPool() {
1356 for (std::vector<CursorVec*>::iterator I = AllCursors.begin(),
1357 E = AllCursors.end(); I != E; ++I) {
1358 delete *I;
1359 }
1360 }
1361 };
1362 }
1363
createOverridenCXCursorsPool()1364 void *cxcursor::createOverridenCXCursorsPool() {
1365 return new OverridenCursorsPool();
1366 }
1367
disposeOverridenCXCursorsPool(void * pool)1368 void cxcursor::disposeOverridenCXCursorsPool(void *pool) {
1369 delete static_cast<OverridenCursorsPool*>(pool);
1370 }
1371
1372 extern "C" {
clang_getOverriddenCursors(CXCursor cursor,CXCursor ** overridden,unsigned * num_overridden)1373 void clang_getOverriddenCursors(CXCursor cursor,
1374 CXCursor **overridden,
1375 unsigned *num_overridden) {
1376 if (overridden)
1377 *overridden = nullptr;
1378 if (num_overridden)
1379 *num_overridden = 0;
1380
1381 CXTranslationUnit TU = cxcursor::getCursorTU(cursor);
1382
1383 if (!overridden || !num_overridden || !TU)
1384 return;
1385
1386 if (!clang_isDeclaration(cursor.kind))
1387 return;
1388
1389 OverridenCursorsPool &pool =
1390 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool);
1391
1392 OverridenCursorsPool::CursorVec *Vec = nullptr;
1393
1394 if (!pool.AvailableCursors.empty()) {
1395 Vec = pool.AvailableCursors.back();
1396 pool.AvailableCursors.pop_back();
1397 }
1398 else {
1399 Vec = new OverridenCursorsPool::CursorVec();
1400 pool.AllCursors.push_back(Vec);
1401 }
1402
1403 // Clear out the vector, but don't free the memory contents. This
1404 // reduces malloc() traffic.
1405 Vec->clear();
1406
1407 // Use the first entry to contain a back reference to the vector.
1408 // This is a complete hack.
1409 CXCursor backRefCursor = MakeCXCursorInvalid(CXCursor_InvalidFile, TU);
1410 backRefCursor.data[0] = Vec;
1411 assert(cxcursor::getCursorTU(backRefCursor) == TU);
1412 Vec->push_back(backRefCursor);
1413
1414 // Get the overriden cursors.
1415 cxcursor::getOverriddenCursors(cursor, *Vec);
1416
1417 // Did we get any overriden cursors? If not, return Vec to the pool
1418 // of available cursor vectors.
1419 if (Vec->size() == 1) {
1420 pool.AvailableCursors.push_back(Vec);
1421 return;
1422 }
1423
1424 // Now tell the caller about the overriden cursors.
1425 assert(Vec->size() > 1);
1426 *overridden = &((*Vec)[1]);
1427 *num_overridden = Vec->size() - 1;
1428 }
1429
clang_disposeOverriddenCursors(CXCursor * overridden)1430 void clang_disposeOverriddenCursors(CXCursor *overridden) {
1431 if (!overridden)
1432 return;
1433
1434 // Use pointer arithmetic to get back the first faux entry
1435 // which has a back-reference to the TU and the vector.
1436 --overridden;
1437 OverridenCursorsPool::CursorVec *Vec =
1438 static_cast<OverridenCursorsPool::CursorVec *>(
1439 const_cast<void *>(overridden->data[0]));
1440 CXTranslationUnit TU = getCursorTU(*overridden);
1441
1442 assert(Vec && TU);
1443
1444 OverridenCursorsPool &pool =
1445 *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool);
1446
1447 pool.AvailableCursors.push_back(Vec);
1448 }
1449
clang_Cursor_isDynamicCall(CXCursor C)1450 int clang_Cursor_isDynamicCall(CXCursor C) {
1451 const Expr *E = nullptr;
1452 if (clang_isExpression(C.kind))
1453 E = getCursorExpr(C);
1454 if (!E)
1455 return 0;
1456
1457 if (const ObjCMessageExpr *MsgE = dyn_cast<ObjCMessageExpr>(E)) {
1458 if (MsgE->getReceiverKind() != ObjCMessageExpr::Instance)
1459 return false;
1460 if (auto *RecE = dyn_cast<ObjCMessageExpr>(
1461 MsgE->getInstanceReceiver()->IgnoreParenCasts())) {
1462 if (RecE->getMethodFamily() == OMF_alloc)
1463 return false;
1464 }
1465 return true;
1466 }
1467
1468 const MemberExpr *ME = nullptr;
1469 if (isa<MemberExpr>(E))
1470 ME = cast<MemberExpr>(E);
1471 else if (const CallExpr *CE = dyn_cast<CallExpr>(E))
1472 ME = dyn_cast_or_null<MemberExpr>(CE->getCallee());
1473
1474 if (ME) {
1475 if (const CXXMethodDecl *
1476 MD = dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl()))
1477 return MD->isVirtual() && !ME->hasQualifier();
1478 }
1479
1480 return 0;
1481 }
1482
clang_Cursor_getReceiverType(CXCursor C)1483 CXType clang_Cursor_getReceiverType(CXCursor C) {
1484 CXTranslationUnit TU = cxcursor::getCursorTU(C);
1485 const Expr *E = nullptr;
1486 if (clang_isExpression(C.kind))
1487 E = getCursorExpr(C);
1488
1489 if (const ObjCMessageExpr *MsgE = dyn_cast_or_null<ObjCMessageExpr>(E))
1490 return cxtype::MakeCXType(MsgE->getReceiverType(), TU);
1491
1492 return cxtype::MakeCXType(QualType(), TU);
1493 }
1494
1495 } // end: extern "C"
1496