1 //===--- TextNodeDumper.cpp - Printing of AST nodes -----------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file implements AST dumping of components of individual AST nodes.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "clang/AST/TextNodeDumper.h"
14 #include "clang/AST/DeclFriend.h"
15 #include "clang/AST/DeclOpenMP.h"
16 #include "clang/AST/DeclTemplate.h"
17 #include "clang/AST/LocInfoType.h"
18 #include "clang/Basic/Module.h"
19 #include "clang/Basic/SourceManager.h"
20 #include "clang/Basic/Specifiers.h"
21 
22 using namespace clang;
23 
24 static void dumpPreviousDeclImpl(raw_ostream &OS, ...) {}
25 
26 template <typename T>
27 static void dumpPreviousDeclImpl(raw_ostream &OS, const Mergeable<T> *D) {
28   const T *First = D->getFirstDecl();
29   if (First != D)
30     OS << " first " << First;
31 }
32 
33 template <typename T>
34 static void dumpPreviousDeclImpl(raw_ostream &OS, const Redeclarable<T> *D) {
35   const T *Prev = D->getPreviousDecl();
36   if (Prev)
37     OS << " prev " << Prev;
38 }
39 
40 /// Dump the previous declaration in the redeclaration chain for a declaration,
41 /// if any.
42 static void dumpPreviousDecl(raw_ostream &OS, const Decl *D) {
43   switch (D->getKind()) {
44 #define DECL(DERIVED, BASE)                                                    \
45   case Decl::DERIVED:                                                          \
46     return dumpPreviousDeclImpl(OS, cast<DERIVED##Decl>(D));
47 #define ABSTRACT_DECL(DECL)
48 #include "clang/AST/DeclNodes.inc"
49   }
50   llvm_unreachable("Decl that isn't part of DeclNodes.inc!");
51 }
52 
53 TextNodeDumper::TextNodeDumper(raw_ostream &OS, bool ShowColors,
54                                const SourceManager *SM,
55                                const PrintingPolicy &PrintPolicy,
56                                const comments::CommandTraits *Traits)
57     : TextTreeStructure(OS, ShowColors), OS(OS), ShowColors(ShowColors), SM(SM),
58       PrintPolicy(PrintPolicy), Traits(Traits) {}
59 
60 void TextNodeDumper::Visit(const comments::Comment *C,
61                            const comments::FullComment *FC) {
62   if (!C) {
63     ColorScope Color(OS, ShowColors, NullColor);
64     OS << "<<<NULL>>>";
65     return;
66   }
67 
68   {
69     ColorScope Color(OS, ShowColors, CommentColor);
70     OS << C->getCommentKindName();
71   }
72   dumpPointer(C);
73   dumpSourceRange(C->getSourceRange());
74 
75   ConstCommentVisitor<TextNodeDumper, void,
76                       const comments::FullComment *>::visit(C, FC);
77 }
78 
79 void TextNodeDumper::Visit(const Attr *A) {
80   {
81     ColorScope Color(OS, ShowColors, AttrColor);
82 
83     switch (A->getKind()) {
84 #define ATTR(X)                                                                \
85   case attr::X:                                                                \
86     OS << #X;                                                                  \
87     break;
88 #include "clang/Basic/AttrList.inc"
89     }
90     OS << "Attr";
91   }
92   dumpPointer(A);
93   dumpSourceRange(A->getRange());
94   if (A->isInherited())
95     OS << " Inherited";
96   if (A->isImplicit())
97     OS << " Implicit";
98 
99   ConstAttrVisitor<TextNodeDumper>::Visit(A);
100 }
101 
102 void TextNodeDumper::Visit(const TemplateArgument &TA, SourceRange R,
103                            const Decl *From, StringRef Label) {
104   OS << "TemplateArgument";
105   if (R.isValid())
106     dumpSourceRange(R);
107 
108   if (From)
109     dumpDeclRef(From, Label);
110 
111   ConstTemplateArgumentVisitor<TextNodeDumper>::Visit(TA);
112 }
113 
114 void TextNodeDumper::Visit(const Stmt *Node) {
115   if (!Node) {
116     ColorScope Color(OS, ShowColors, NullColor);
117     OS << "<<<NULL>>>";
118     return;
119   }
120   {
121     ColorScope Color(OS, ShowColors, StmtColor);
122     OS << Node->getStmtClassName();
123   }
124   dumpPointer(Node);
125   dumpSourceRange(Node->getSourceRange());
126 
127   if (const auto *E = dyn_cast<Expr>(Node)) {
128     dumpType(E->getType());
129 
130     if (E->containsErrors()) {
131       ColorScope Color(OS, ShowColors, ErrorsColor);
132       OS << " contains-errors";
133     }
134 
135     {
136       ColorScope Color(OS, ShowColors, ValueKindColor);
137       switch (E->getValueKind()) {
138       case VK_RValue:
139         break;
140       case VK_LValue:
141         OS << " lvalue";
142         break;
143       case VK_XValue:
144         OS << " xvalue";
145         break;
146       }
147     }
148 
149     {
150       ColorScope Color(OS, ShowColors, ObjectKindColor);
151       switch (E->getObjectKind()) {
152       case OK_Ordinary:
153         break;
154       case OK_BitField:
155         OS << " bitfield";
156         break;
157       case OK_ObjCProperty:
158         OS << " objcproperty";
159         break;
160       case OK_ObjCSubscript:
161         OS << " objcsubscript";
162         break;
163       case OK_VectorComponent:
164         OS << " vectorcomponent";
165         break;
166       }
167     }
168   }
169 
170   ConstStmtVisitor<TextNodeDumper>::Visit(Node);
171 }
172 
173 void TextNodeDumper::Visit(const Type *T) {
174   if (!T) {
175     ColorScope Color(OS, ShowColors, NullColor);
176     OS << "<<<NULL>>>";
177     return;
178   }
179   if (isa<LocInfoType>(T)) {
180     {
181       ColorScope Color(OS, ShowColors, TypeColor);
182       OS << "LocInfo Type";
183     }
184     dumpPointer(T);
185     return;
186   }
187 
188   {
189     ColorScope Color(OS, ShowColors, TypeColor);
190     OS << T->getTypeClassName() << "Type";
191   }
192   dumpPointer(T);
193   OS << " ";
194   dumpBareType(QualType(T, 0), false);
195 
196   QualType SingleStepDesugar =
197       T->getLocallyUnqualifiedSingleStepDesugaredType();
198   if (SingleStepDesugar != QualType(T, 0))
199     OS << " sugar";
200 
201   if (T->isDependentType())
202     OS << " dependent";
203   else if (T->isInstantiationDependentType())
204     OS << " instantiation_dependent";
205 
206   if (T->isVariablyModifiedType())
207     OS << " variably_modified";
208   if (T->containsUnexpandedParameterPack())
209     OS << " contains_unexpanded_pack";
210   if (T->isFromAST())
211     OS << " imported";
212 
213   TypeVisitor<TextNodeDumper>::Visit(T);
214 }
215 
216 void TextNodeDumper::Visit(QualType T) {
217   OS << "QualType";
218   dumpPointer(T.getAsOpaquePtr());
219   OS << " ";
220   dumpBareType(T, false);
221   OS << " " << T.split().Quals.getAsString();
222 }
223 
224 void TextNodeDumper::Visit(const Decl *D) {
225   if (!D) {
226     ColorScope Color(OS, ShowColors, NullColor);
227     OS << "<<<NULL>>>";
228     return;
229   }
230 
231   {
232     ColorScope Color(OS, ShowColors, DeclKindNameColor);
233     OS << D->getDeclKindName() << "Decl";
234   }
235   dumpPointer(D);
236   if (D->getLexicalDeclContext() != D->getDeclContext())
237     OS << " parent " << cast<Decl>(D->getDeclContext());
238   dumpPreviousDecl(OS, D);
239   dumpSourceRange(D->getSourceRange());
240   OS << ' ';
241   dumpLocation(D->getLocation());
242   if (D->isFromASTFile())
243     OS << " imported";
244   if (Module *M = D->getOwningModule())
245     OS << " in " << M->getFullModuleName();
246   if (auto *ND = dyn_cast<NamedDecl>(D))
247     for (Module *M : D->getASTContext().getModulesWithMergedDefinition(
248              const_cast<NamedDecl *>(ND)))
249       AddChild([=] { OS << "also in " << M->getFullModuleName(); });
250   if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
251     if (ND->isHidden())
252       OS << " hidden";
253   if (D->isImplicit())
254     OS << " implicit";
255 
256   if (D->isUsed())
257     OS << " used";
258   else if (D->isThisDeclarationReferenced())
259     OS << " referenced";
260 
261   if (D->isInvalidDecl())
262     OS << " invalid";
263   if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
264     if (FD->isConstexprSpecified())
265       OS << " constexpr";
266     if (FD->isConsteval())
267       OS << " consteval";
268   }
269 
270   if (!isa<FunctionDecl>(*D)) {
271     const auto *MD = dyn_cast<ObjCMethodDecl>(D);
272     if (!MD || !MD->isThisDeclarationADefinition()) {
273       const auto *DC = dyn_cast<DeclContext>(D);
274       if (DC && DC->hasExternalLexicalStorage()) {
275         ColorScope Color(OS, ShowColors, UndeserializedColor);
276         OS << " <undeserialized declarations>";
277       }
278     }
279   }
280 
281   ConstDeclVisitor<TextNodeDumper>::Visit(D);
282 }
283 
284 void TextNodeDumper::Visit(const CXXCtorInitializer *Init) {
285   OS << "CXXCtorInitializer";
286   if (Init->isAnyMemberInitializer()) {
287     OS << ' ';
288     dumpBareDeclRef(Init->getAnyMember());
289   } else if (Init->isBaseInitializer()) {
290     dumpType(QualType(Init->getBaseClass(), 0));
291   } else if (Init->isDelegatingInitializer()) {
292     dumpType(Init->getTypeSourceInfo()->getType());
293   } else {
294     llvm_unreachable("Unknown initializer type");
295   }
296 }
297 
298 void TextNodeDumper::Visit(const BlockDecl::Capture &C) {
299   OS << "capture";
300   if (C.isByRef())
301     OS << " byref";
302   if (C.isNested())
303     OS << " nested";
304   if (C.getVariable()) {
305     OS << ' ';
306     dumpBareDeclRef(C.getVariable());
307   }
308 }
309 
310 void TextNodeDumper::Visit(const OMPClause *C) {
311   if (!C) {
312     ColorScope Color(OS, ShowColors, NullColor);
313     OS << "<<<NULL>>> OMPClause";
314     return;
315   }
316   {
317     ColorScope Color(OS, ShowColors, AttrColor);
318     StringRef ClauseName(llvm::omp::getOpenMPClauseName(C->getClauseKind()));
319     OS << "OMP" << ClauseName.substr(/*Start=*/0, /*N=*/1).upper()
320        << ClauseName.drop_front() << "Clause";
321   }
322   dumpPointer(C);
323   dumpSourceRange(SourceRange(C->getBeginLoc(), C->getEndLoc()));
324   if (C->isImplicit())
325     OS << " <implicit>";
326 }
327 
328 void TextNodeDumper::Visit(const GenericSelectionExpr::ConstAssociation &A) {
329   const TypeSourceInfo *TSI = A.getTypeSourceInfo();
330   if (TSI) {
331     OS << "case ";
332     dumpType(TSI->getType());
333   } else {
334     OS << "default";
335   }
336 
337   if (A.isSelected())
338     OS << " selected";
339 }
340 
341 void TextNodeDumper::dumpPointer(const void *Ptr) {
342   ColorScope Color(OS, ShowColors, AddressColor);
343   OS << ' ' << Ptr;
344 }
345 
346 void TextNodeDumper::dumpLocation(SourceLocation Loc) {
347   if (!SM)
348     return;
349 
350   ColorScope Color(OS, ShowColors, LocationColor);
351   SourceLocation SpellingLoc = SM->getSpellingLoc(Loc);
352 
353   // The general format we print out is filename:line:col, but we drop pieces
354   // that haven't changed since the last loc printed.
355   PresumedLoc PLoc = SM->getPresumedLoc(SpellingLoc);
356 
357   if (PLoc.isInvalid()) {
358     OS << "<invalid sloc>";
359     return;
360   }
361 
362   if (strcmp(PLoc.getFilename(), LastLocFilename) != 0) {
363     OS << PLoc.getFilename() << ':' << PLoc.getLine() << ':'
364        << PLoc.getColumn();
365     LastLocFilename = PLoc.getFilename();
366     LastLocLine = PLoc.getLine();
367   } else if (PLoc.getLine() != LastLocLine) {
368     OS << "line" << ':' << PLoc.getLine() << ':' << PLoc.getColumn();
369     LastLocLine = PLoc.getLine();
370   } else {
371     OS << "col" << ':' << PLoc.getColumn();
372   }
373 }
374 
375 void TextNodeDumper::dumpSourceRange(SourceRange R) {
376   // Can't translate locations if a SourceManager isn't available.
377   if (!SM)
378     return;
379 
380   OS << " <";
381   dumpLocation(R.getBegin());
382   if (R.getBegin() != R.getEnd()) {
383     OS << ", ";
384     dumpLocation(R.getEnd());
385   }
386   OS << ">";
387 
388   // <t2.c:123:421[blah], t2.c:412:321>
389 }
390 
391 void TextNodeDumper::dumpBareType(QualType T, bool Desugar) {
392   ColorScope Color(OS, ShowColors, TypeColor);
393 
394   SplitQualType T_split = T.split();
395   OS << "'" << QualType::getAsString(T_split, PrintPolicy) << "'";
396 
397   if (Desugar && !T.isNull()) {
398     // If the type is sugared, also dump a (shallow) desugared type.
399     SplitQualType D_split = T.getSplitDesugaredType();
400     if (T_split != D_split)
401       OS << ":'" << QualType::getAsString(D_split, PrintPolicy) << "'";
402   }
403 }
404 
405 void TextNodeDumper::dumpType(QualType T) {
406   OS << ' ';
407   dumpBareType(T);
408 }
409 
410 void TextNodeDumper::dumpBareDeclRef(const Decl *D) {
411   if (!D) {
412     ColorScope Color(OS, ShowColors, NullColor);
413     OS << "<<<NULL>>>";
414     return;
415   }
416 
417   {
418     ColorScope Color(OS, ShowColors, DeclKindNameColor);
419     OS << D->getDeclKindName();
420   }
421   dumpPointer(D);
422 
423   if (const NamedDecl *ND = dyn_cast<NamedDecl>(D)) {
424     ColorScope Color(OS, ShowColors, DeclNameColor);
425     OS << " '" << ND->getDeclName() << '\'';
426   }
427 
428   if (const ValueDecl *VD = dyn_cast<ValueDecl>(D))
429     dumpType(VD->getType());
430 }
431 
432 void TextNodeDumper::dumpName(const NamedDecl *ND) {
433   if (ND->getDeclName()) {
434     ColorScope Color(OS, ShowColors, DeclNameColor);
435     OS << ' ' << ND->getNameAsString();
436   }
437 }
438 
439 void TextNodeDumper::dumpAccessSpecifier(AccessSpecifier AS) {
440   const auto AccessSpelling = getAccessSpelling(AS);
441   if (AccessSpelling.empty())
442     return;
443   OS << AccessSpelling;
444 }
445 
446 void TextNodeDumper::dumpCleanupObject(
447     const ExprWithCleanups::CleanupObject &C) {
448   if (auto *BD = C.dyn_cast<BlockDecl *>())
449     dumpDeclRef(BD, "cleanup");
450   else if (auto *CLE = C.dyn_cast<CompoundLiteralExpr *>())
451     AddChild([=] {
452       OS << "cleanup ";
453       {
454         ColorScope Color(OS, ShowColors, StmtColor);
455         OS << CLE->getStmtClassName();
456       }
457       dumpPointer(CLE);
458     });
459   else
460     llvm_unreachable("unexpected cleanup type");
461 }
462 
463 void TextNodeDumper::dumpDeclRef(const Decl *D, StringRef Label) {
464   if (!D)
465     return;
466 
467   AddChild([=] {
468     if (!Label.empty())
469       OS << Label << ' ';
470     dumpBareDeclRef(D);
471   });
472 }
473 
474 const char *TextNodeDumper::getCommandName(unsigned CommandID) {
475   if (Traits)
476     return Traits->getCommandInfo(CommandID)->Name;
477   const comments::CommandInfo *Info =
478       comments::CommandTraits::getBuiltinCommandInfo(CommandID);
479   if (Info)
480     return Info->Name;
481   return "<not a builtin command>";
482 }
483 
484 void TextNodeDumper::visitTextComment(const comments::TextComment *C,
485                                       const comments::FullComment *) {
486   OS << " Text=\"" << C->getText() << "\"";
487 }
488 
489 void TextNodeDumper::visitInlineCommandComment(
490     const comments::InlineCommandComment *C, const comments::FullComment *) {
491   OS << " Name=\"" << getCommandName(C->getCommandID()) << "\"";
492   switch (C->getRenderKind()) {
493   case comments::InlineCommandComment::RenderNormal:
494     OS << " RenderNormal";
495     break;
496   case comments::InlineCommandComment::RenderBold:
497     OS << " RenderBold";
498     break;
499   case comments::InlineCommandComment::RenderMonospaced:
500     OS << " RenderMonospaced";
501     break;
502   case comments::InlineCommandComment::RenderEmphasized:
503     OS << " RenderEmphasized";
504     break;
505   case comments::InlineCommandComment::RenderAnchor:
506     OS << " RenderAnchor";
507     break;
508   }
509 
510   for (unsigned i = 0, e = C->getNumArgs(); i != e; ++i)
511     OS << " Arg[" << i << "]=\"" << C->getArgText(i) << "\"";
512 }
513 
514 void TextNodeDumper::visitHTMLStartTagComment(
515     const comments::HTMLStartTagComment *C, const comments::FullComment *) {
516   OS << " Name=\"" << C->getTagName() << "\"";
517   if (C->getNumAttrs() != 0) {
518     OS << " Attrs: ";
519     for (unsigned i = 0, e = C->getNumAttrs(); i != e; ++i) {
520       const comments::HTMLStartTagComment::Attribute &Attr = C->getAttr(i);
521       OS << " \"" << Attr.Name << "=\"" << Attr.Value << "\"";
522     }
523   }
524   if (C->isSelfClosing())
525     OS << " SelfClosing";
526 }
527 
528 void TextNodeDumper::visitHTMLEndTagComment(
529     const comments::HTMLEndTagComment *C, const comments::FullComment *) {
530   OS << " Name=\"" << C->getTagName() << "\"";
531 }
532 
533 void TextNodeDumper::visitBlockCommandComment(
534     const comments::BlockCommandComment *C, const comments::FullComment *) {
535   OS << " Name=\"" << getCommandName(C->getCommandID()) << "\"";
536   for (unsigned i = 0, e = C->getNumArgs(); i != e; ++i)
537     OS << " Arg[" << i << "]=\"" << C->getArgText(i) << "\"";
538 }
539 
540 void TextNodeDumper::visitParamCommandComment(
541     const comments::ParamCommandComment *C, const comments::FullComment *FC) {
542   OS << " "
543      << comments::ParamCommandComment::getDirectionAsString(C->getDirection());
544 
545   if (C->isDirectionExplicit())
546     OS << " explicitly";
547   else
548     OS << " implicitly";
549 
550   if (C->hasParamName()) {
551     if (C->isParamIndexValid())
552       OS << " Param=\"" << C->getParamName(FC) << "\"";
553     else
554       OS << " Param=\"" << C->getParamNameAsWritten() << "\"";
555   }
556 
557   if (C->isParamIndexValid() && !C->isVarArgParam())
558     OS << " ParamIndex=" << C->getParamIndex();
559 }
560 
561 void TextNodeDumper::visitTParamCommandComment(
562     const comments::TParamCommandComment *C, const comments::FullComment *FC) {
563   if (C->hasParamName()) {
564     if (C->isPositionValid())
565       OS << " Param=\"" << C->getParamName(FC) << "\"";
566     else
567       OS << " Param=\"" << C->getParamNameAsWritten() << "\"";
568   }
569 
570   if (C->isPositionValid()) {
571     OS << " Position=<";
572     for (unsigned i = 0, e = C->getDepth(); i != e; ++i) {
573       OS << C->getIndex(i);
574       if (i != e - 1)
575         OS << ", ";
576     }
577     OS << ">";
578   }
579 }
580 
581 void TextNodeDumper::visitVerbatimBlockComment(
582     const comments::VerbatimBlockComment *C, const comments::FullComment *) {
583   OS << " Name=\"" << getCommandName(C->getCommandID())
584      << "\""
585         " CloseName=\""
586      << C->getCloseName() << "\"";
587 }
588 
589 void TextNodeDumper::visitVerbatimBlockLineComment(
590     const comments::VerbatimBlockLineComment *C,
591     const comments::FullComment *) {
592   OS << " Text=\"" << C->getText() << "\"";
593 }
594 
595 void TextNodeDumper::visitVerbatimLineComment(
596     const comments::VerbatimLineComment *C, const comments::FullComment *) {
597   OS << " Text=\"" << C->getText() << "\"";
598 }
599 
600 void TextNodeDumper::VisitNullTemplateArgument(const TemplateArgument &) {
601   OS << " null";
602 }
603 
604 void TextNodeDumper::VisitTypeTemplateArgument(const TemplateArgument &TA) {
605   OS << " type";
606   dumpType(TA.getAsType());
607 }
608 
609 void TextNodeDumper::VisitDeclarationTemplateArgument(
610     const TemplateArgument &TA) {
611   OS << " decl";
612   dumpDeclRef(TA.getAsDecl());
613 }
614 
615 void TextNodeDumper::VisitNullPtrTemplateArgument(const TemplateArgument &) {
616   OS << " nullptr";
617 }
618 
619 void TextNodeDumper::VisitIntegralTemplateArgument(const TemplateArgument &TA) {
620   OS << " integral " << TA.getAsIntegral();
621 }
622 
623 void TextNodeDumper::VisitTemplateTemplateArgument(const TemplateArgument &TA) {
624   OS << " template ";
625   TA.getAsTemplate().dump(OS);
626 }
627 
628 void TextNodeDumper::VisitTemplateExpansionTemplateArgument(
629     const TemplateArgument &TA) {
630   OS << " template expansion ";
631   TA.getAsTemplateOrTemplatePattern().dump(OS);
632 }
633 
634 void TextNodeDumper::VisitExpressionTemplateArgument(const TemplateArgument &) {
635   OS << " expr";
636 }
637 
638 void TextNodeDumper::VisitPackTemplateArgument(const TemplateArgument &) {
639   OS << " pack";
640 }
641 
642 static void dumpBasePath(raw_ostream &OS, const CastExpr *Node) {
643   if (Node->path_empty())
644     return;
645 
646   OS << " (";
647   bool First = true;
648   for (CastExpr::path_const_iterator I = Node->path_begin(),
649                                      E = Node->path_end();
650        I != E; ++I) {
651     const CXXBaseSpecifier *Base = *I;
652     if (!First)
653       OS << " -> ";
654 
655     const auto *RD =
656         cast<CXXRecordDecl>(Base->getType()->castAs<RecordType>()->getDecl());
657 
658     if (Base->isVirtual())
659       OS << "virtual ";
660     OS << RD->getName();
661     First = false;
662   }
663 
664   OS << ')';
665 }
666 
667 void TextNodeDumper::VisitIfStmt(const IfStmt *Node) {
668   if (Node->hasInitStorage())
669     OS << " has_init";
670   if (Node->hasVarStorage())
671     OS << " has_var";
672   if (Node->hasElseStorage())
673     OS << " has_else";
674 }
675 
676 void TextNodeDumper::VisitSwitchStmt(const SwitchStmt *Node) {
677   if (Node->hasInitStorage())
678     OS << " has_init";
679   if (Node->hasVarStorage())
680     OS << " has_var";
681 }
682 
683 void TextNodeDumper::VisitWhileStmt(const WhileStmt *Node) {
684   if (Node->hasVarStorage())
685     OS << " has_var";
686 }
687 
688 void TextNodeDumper::VisitLabelStmt(const LabelStmt *Node) {
689   OS << " '" << Node->getName() << "'";
690 }
691 
692 void TextNodeDumper::VisitGotoStmt(const GotoStmt *Node) {
693   OS << " '" << Node->getLabel()->getName() << "'";
694   dumpPointer(Node->getLabel());
695 }
696 
697 void TextNodeDumper::VisitCaseStmt(const CaseStmt *Node) {
698   if (Node->caseStmtIsGNURange())
699     OS << " gnu_range";
700 }
701 
702 void TextNodeDumper::VisitConstantExpr(const ConstantExpr *Node) {
703   if (Node->getResultAPValueKind() != APValue::None) {
704     ColorScope Color(OS, ShowColors, ValueColor);
705     OS << " ";
706     Node->getAPValueResult().dump(OS);
707   }
708 }
709 
710 void TextNodeDumper::VisitCallExpr(const CallExpr *Node) {
711   if (Node->usesADL())
712     OS << " adl";
713 }
714 
715 void TextNodeDumper::VisitCastExpr(const CastExpr *Node) {
716   OS << " <";
717   {
718     ColorScope Color(OS, ShowColors, CastColor);
719     OS << Node->getCastKindName();
720   }
721   dumpBasePath(OS, Node);
722   OS << ">";
723 }
724 
725 void TextNodeDumper::VisitImplicitCastExpr(const ImplicitCastExpr *Node) {
726   VisitCastExpr(Node);
727   if (Node->isPartOfExplicitCast())
728     OS << " part_of_explicit_cast";
729 }
730 
731 void TextNodeDumper::VisitDeclRefExpr(const DeclRefExpr *Node) {
732   OS << " ";
733   dumpBareDeclRef(Node->getDecl());
734   if (Node->getDecl() != Node->getFoundDecl()) {
735     OS << " (";
736     dumpBareDeclRef(Node->getFoundDecl());
737     OS << ")";
738   }
739   switch (Node->isNonOdrUse()) {
740   case NOUR_None: break;
741   case NOUR_Unevaluated: OS << " non_odr_use_unevaluated"; break;
742   case NOUR_Constant: OS << " non_odr_use_constant"; break;
743   case NOUR_Discarded: OS << " non_odr_use_discarded"; break;
744   }
745 }
746 
747 void TextNodeDumper::VisitUnresolvedLookupExpr(
748     const UnresolvedLookupExpr *Node) {
749   OS << " (";
750   if (!Node->requiresADL())
751     OS << "no ";
752   OS << "ADL) = '" << Node->getName() << '\'';
753 
754   UnresolvedLookupExpr::decls_iterator I = Node->decls_begin(),
755                                        E = Node->decls_end();
756   if (I == E)
757     OS << " empty";
758   for (; I != E; ++I)
759     dumpPointer(*I);
760 }
761 
762 void TextNodeDumper::VisitObjCIvarRefExpr(const ObjCIvarRefExpr *Node) {
763   {
764     ColorScope Color(OS, ShowColors, DeclKindNameColor);
765     OS << " " << Node->getDecl()->getDeclKindName() << "Decl";
766   }
767   OS << "='" << *Node->getDecl() << "'";
768   dumpPointer(Node->getDecl());
769   if (Node->isFreeIvar())
770     OS << " isFreeIvar";
771 }
772 
773 void TextNodeDumper::VisitPredefinedExpr(const PredefinedExpr *Node) {
774   OS << " " << PredefinedExpr::getIdentKindName(Node->getIdentKind());
775 }
776 
777 void TextNodeDumper::VisitCharacterLiteral(const CharacterLiteral *Node) {
778   ColorScope Color(OS, ShowColors, ValueColor);
779   OS << " " << Node->getValue();
780 }
781 
782 void TextNodeDumper::VisitIntegerLiteral(const IntegerLiteral *Node) {
783   bool isSigned = Node->getType()->isSignedIntegerType();
784   ColorScope Color(OS, ShowColors, ValueColor);
785   OS << " " << Node->getValue().toString(10, isSigned);
786 }
787 
788 void TextNodeDumper::VisitFixedPointLiteral(const FixedPointLiteral *Node) {
789   ColorScope Color(OS, ShowColors, ValueColor);
790   OS << " " << Node->getValueAsString(/*Radix=*/10);
791 }
792 
793 void TextNodeDumper::VisitFloatingLiteral(const FloatingLiteral *Node) {
794   ColorScope Color(OS, ShowColors, ValueColor);
795   OS << " " << Node->getValueAsApproximateDouble();
796 }
797 
798 void TextNodeDumper::VisitStringLiteral(const StringLiteral *Str) {
799   ColorScope Color(OS, ShowColors, ValueColor);
800   OS << " ";
801   Str->outputString(OS);
802 }
803 
804 void TextNodeDumper::VisitInitListExpr(const InitListExpr *ILE) {
805   if (auto *Field = ILE->getInitializedFieldInUnion()) {
806     OS << " field ";
807     dumpBareDeclRef(Field);
808   }
809 }
810 
811 void TextNodeDumper::VisitGenericSelectionExpr(const GenericSelectionExpr *E) {
812   if (E->isResultDependent())
813     OS << " result_dependent";
814 }
815 
816 void TextNodeDumper::VisitUnaryOperator(const UnaryOperator *Node) {
817   OS << " " << (Node->isPostfix() ? "postfix" : "prefix") << " '"
818      << UnaryOperator::getOpcodeStr(Node->getOpcode()) << "'";
819   if (!Node->canOverflow())
820     OS << " cannot overflow";
821 }
822 
823 void TextNodeDumper::VisitUnaryExprOrTypeTraitExpr(
824     const UnaryExprOrTypeTraitExpr *Node) {
825   switch (Node->getKind()) {
826   case UETT_SizeOf:
827     OS << " sizeof";
828     break;
829   case UETT_AlignOf:
830     OS << " alignof";
831     break;
832   case UETT_VecStep:
833     OS << " vec_step";
834     break;
835   case UETT_OpenMPRequiredSimdAlign:
836     OS << " __builtin_omp_required_simd_align";
837     break;
838   case UETT_PreferredAlignOf:
839     OS << " __alignof";
840     break;
841   }
842   if (Node->isArgumentType())
843     dumpType(Node->getArgumentType());
844 }
845 
846 void TextNodeDumper::VisitMemberExpr(const MemberExpr *Node) {
847   OS << " " << (Node->isArrow() ? "->" : ".") << *Node->getMemberDecl();
848   dumpPointer(Node->getMemberDecl());
849   switch (Node->isNonOdrUse()) {
850   case NOUR_None: break;
851   case NOUR_Unevaluated: OS << " non_odr_use_unevaluated"; break;
852   case NOUR_Constant: OS << " non_odr_use_constant"; break;
853   case NOUR_Discarded: OS << " non_odr_use_discarded"; break;
854   }
855 }
856 
857 void TextNodeDumper::VisitExtVectorElementExpr(
858     const ExtVectorElementExpr *Node) {
859   OS << " " << Node->getAccessor().getNameStart();
860 }
861 
862 void TextNodeDumper::VisitBinaryOperator(const BinaryOperator *Node) {
863   OS << " '" << BinaryOperator::getOpcodeStr(Node->getOpcode()) << "'";
864 }
865 
866 void TextNodeDumper::VisitCompoundAssignOperator(
867     const CompoundAssignOperator *Node) {
868   OS << " '" << BinaryOperator::getOpcodeStr(Node->getOpcode())
869      << "' ComputeLHSTy=";
870   dumpBareType(Node->getComputationLHSType());
871   OS << " ComputeResultTy=";
872   dumpBareType(Node->getComputationResultType());
873 }
874 
875 void TextNodeDumper::VisitAddrLabelExpr(const AddrLabelExpr *Node) {
876   OS << " " << Node->getLabel()->getName();
877   dumpPointer(Node->getLabel());
878 }
879 
880 void TextNodeDumper::VisitCXXNamedCastExpr(const CXXNamedCastExpr *Node) {
881   OS << " " << Node->getCastName() << "<"
882      << Node->getTypeAsWritten().getAsString() << ">"
883      << " <" << Node->getCastKindName();
884   dumpBasePath(OS, Node);
885   OS << ">";
886 }
887 
888 void TextNodeDumper::VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *Node) {
889   OS << " " << (Node->getValue() ? "true" : "false");
890 }
891 
892 void TextNodeDumper::VisitCXXThisExpr(const CXXThisExpr *Node) {
893   if (Node->isImplicit())
894     OS << " implicit";
895   OS << " this";
896 }
897 
898 void TextNodeDumper::VisitCXXFunctionalCastExpr(
899     const CXXFunctionalCastExpr *Node) {
900   OS << " functional cast to " << Node->getTypeAsWritten().getAsString() << " <"
901      << Node->getCastKindName() << ">";
902 }
903 
904 void TextNodeDumper::VisitCXXUnresolvedConstructExpr(
905     const CXXUnresolvedConstructExpr *Node) {
906   dumpType(Node->getTypeAsWritten());
907   if (Node->isListInitialization())
908     OS << " list";
909 }
910 
911 void TextNodeDumper::VisitCXXConstructExpr(const CXXConstructExpr *Node) {
912   CXXConstructorDecl *Ctor = Node->getConstructor();
913   dumpType(Ctor->getType());
914   if (Node->isElidable())
915     OS << " elidable";
916   if (Node->isListInitialization())
917     OS << " list";
918   if (Node->isStdInitListInitialization())
919     OS << " std::initializer_list";
920   if (Node->requiresZeroInitialization())
921     OS << " zeroing";
922 }
923 
924 void TextNodeDumper::VisitCXXBindTemporaryExpr(
925     const CXXBindTemporaryExpr *Node) {
926   OS << " (CXXTemporary";
927   dumpPointer(Node);
928   OS << ")";
929 }
930 
931 void TextNodeDumper::VisitCXXNewExpr(const CXXNewExpr *Node) {
932   if (Node->isGlobalNew())
933     OS << " global";
934   if (Node->isArray())
935     OS << " array";
936   if (Node->getOperatorNew()) {
937     OS << ' ';
938     dumpBareDeclRef(Node->getOperatorNew());
939   }
940   // We could dump the deallocation function used in case of error, but it's
941   // usually not that interesting.
942 }
943 
944 void TextNodeDumper::VisitCXXDeleteExpr(const CXXDeleteExpr *Node) {
945   if (Node->isGlobalDelete())
946     OS << " global";
947   if (Node->isArrayForm())
948     OS << " array";
949   if (Node->getOperatorDelete()) {
950     OS << ' ';
951     dumpBareDeclRef(Node->getOperatorDelete());
952   }
953 }
954 
955 void TextNodeDumper::VisitMaterializeTemporaryExpr(
956     const MaterializeTemporaryExpr *Node) {
957   if (const ValueDecl *VD = Node->getExtendingDecl()) {
958     OS << " extended by ";
959     dumpBareDeclRef(VD);
960   }
961 }
962 
963 void TextNodeDumper::VisitExprWithCleanups(const ExprWithCleanups *Node) {
964   for (unsigned i = 0, e = Node->getNumObjects(); i != e; ++i)
965     dumpCleanupObject(Node->getObject(i));
966 }
967 
968 void TextNodeDumper::VisitSizeOfPackExpr(const SizeOfPackExpr *Node) {
969   dumpPointer(Node->getPack());
970   dumpName(Node->getPack());
971 }
972 
973 void TextNodeDumper::VisitCXXDependentScopeMemberExpr(
974     const CXXDependentScopeMemberExpr *Node) {
975   OS << " " << (Node->isArrow() ? "->" : ".") << Node->getMember();
976 }
977 
978 void TextNodeDumper::VisitObjCMessageExpr(const ObjCMessageExpr *Node) {
979   OS << " selector=";
980   Node->getSelector().print(OS);
981   switch (Node->getReceiverKind()) {
982   case ObjCMessageExpr::Instance:
983     break;
984 
985   case ObjCMessageExpr::Class:
986     OS << " class=";
987     dumpBareType(Node->getClassReceiver());
988     break;
989 
990   case ObjCMessageExpr::SuperInstance:
991     OS << " super (instance)";
992     break;
993 
994   case ObjCMessageExpr::SuperClass:
995     OS << " super (class)";
996     break;
997   }
998 }
999 
1000 void TextNodeDumper::VisitObjCBoxedExpr(const ObjCBoxedExpr *Node) {
1001   if (auto *BoxingMethod = Node->getBoxingMethod()) {
1002     OS << " selector=";
1003     BoxingMethod->getSelector().print(OS);
1004   }
1005 }
1006 
1007 void TextNodeDumper::VisitObjCAtCatchStmt(const ObjCAtCatchStmt *Node) {
1008   if (!Node->getCatchParamDecl())
1009     OS << " catch all";
1010 }
1011 
1012 void TextNodeDumper::VisitObjCEncodeExpr(const ObjCEncodeExpr *Node) {
1013   dumpType(Node->getEncodedType());
1014 }
1015 
1016 void TextNodeDumper::VisitObjCSelectorExpr(const ObjCSelectorExpr *Node) {
1017   OS << " ";
1018   Node->getSelector().print(OS);
1019 }
1020 
1021 void TextNodeDumper::VisitObjCProtocolExpr(const ObjCProtocolExpr *Node) {
1022   OS << ' ' << *Node->getProtocol();
1023 }
1024 
1025 void TextNodeDumper::VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr *Node) {
1026   if (Node->isImplicitProperty()) {
1027     OS << " Kind=MethodRef Getter=\"";
1028     if (Node->getImplicitPropertyGetter())
1029       Node->getImplicitPropertyGetter()->getSelector().print(OS);
1030     else
1031       OS << "(null)";
1032 
1033     OS << "\" Setter=\"";
1034     if (ObjCMethodDecl *Setter = Node->getImplicitPropertySetter())
1035       Setter->getSelector().print(OS);
1036     else
1037       OS << "(null)";
1038     OS << "\"";
1039   } else {
1040     OS << " Kind=PropertyRef Property=\"" << *Node->getExplicitProperty()
1041        << '"';
1042   }
1043 
1044   if (Node->isSuperReceiver())
1045     OS << " super";
1046 
1047   OS << " Messaging=";
1048   if (Node->isMessagingGetter() && Node->isMessagingSetter())
1049     OS << "Getter&Setter";
1050   else if (Node->isMessagingGetter())
1051     OS << "Getter";
1052   else if (Node->isMessagingSetter())
1053     OS << "Setter";
1054 }
1055 
1056 void TextNodeDumper::VisitObjCSubscriptRefExpr(
1057     const ObjCSubscriptRefExpr *Node) {
1058   if (Node->isArraySubscriptRefExpr())
1059     OS << " Kind=ArraySubscript GetterForArray=\"";
1060   else
1061     OS << " Kind=DictionarySubscript GetterForDictionary=\"";
1062   if (Node->getAtIndexMethodDecl())
1063     Node->getAtIndexMethodDecl()->getSelector().print(OS);
1064   else
1065     OS << "(null)";
1066 
1067   if (Node->isArraySubscriptRefExpr())
1068     OS << "\" SetterForArray=\"";
1069   else
1070     OS << "\" SetterForDictionary=\"";
1071   if (Node->setAtIndexMethodDecl())
1072     Node->setAtIndexMethodDecl()->getSelector().print(OS);
1073   else
1074     OS << "(null)";
1075 }
1076 
1077 void TextNodeDumper::VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr *Node) {
1078   OS << " " << (Node->getValue() ? "__objc_yes" : "__objc_no");
1079 }
1080 
1081 void TextNodeDumper::VisitOMPIteratorExpr(const OMPIteratorExpr *Node) {
1082   OS << " ";
1083   for (unsigned I = 0, E = Node->numOfIterators(); I < E; ++I) {
1084     Visit(Node->getIteratorDecl(I));
1085     OS << " = ";
1086     const OMPIteratorExpr::IteratorRange Range = Node->getIteratorRange(I);
1087     OS << " begin ";
1088     Visit(Range.Begin);
1089     OS << " end ";
1090     Visit(Range.End);
1091     if (Range.Step) {
1092       OS << " step ";
1093       Visit(Range.Step);
1094     }
1095   }
1096 }
1097 
1098 void TextNodeDumper::VisitRValueReferenceType(const ReferenceType *T) {
1099   if (T->isSpelledAsLValue())
1100     OS << " written as lvalue reference";
1101 }
1102 
1103 void TextNodeDumper::VisitArrayType(const ArrayType *T) {
1104   switch (T->getSizeModifier()) {
1105   case ArrayType::Normal:
1106     break;
1107   case ArrayType::Static:
1108     OS << " static";
1109     break;
1110   case ArrayType::Star:
1111     OS << " *";
1112     break;
1113   }
1114   OS << " " << T->getIndexTypeQualifiers().getAsString();
1115 }
1116 
1117 void TextNodeDumper::VisitConstantArrayType(const ConstantArrayType *T) {
1118   OS << " " << T->getSize();
1119   VisitArrayType(T);
1120 }
1121 
1122 void TextNodeDumper::VisitVariableArrayType(const VariableArrayType *T) {
1123   OS << " ";
1124   dumpSourceRange(T->getBracketsRange());
1125   VisitArrayType(T);
1126 }
1127 
1128 void TextNodeDumper::VisitDependentSizedArrayType(
1129     const DependentSizedArrayType *T) {
1130   VisitArrayType(T);
1131   OS << " ";
1132   dumpSourceRange(T->getBracketsRange());
1133 }
1134 
1135 void TextNodeDumper::VisitDependentSizedExtVectorType(
1136     const DependentSizedExtVectorType *T) {
1137   OS << " ";
1138   dumpLocation(T->getAttributeLoc());
1139 }
1140 
1141 void TextNodeDumper::VisitVectorType(const VectorType *T) {
1142   switch (T->getVectorKind()) {
1143   case VectorType::GenericVector:
1144     break;
1145   case VectorType::AltiVecVector:
1146     OS << " altivec";
1147     break;
1148   case VectorType::AltiVecPixel:
1149     OS << " altivec pixel";
1150     break;
1151   case VectorType::AltiVecBool:
1152     OS << " altivec bool";
1153     break;
1154   case VectorType::NeonVector:
1155     OS << " neon";
1156     break;
1157   case VectorType::NeonPolyVector:
1158     OS << " neon poly";
1159     break;
1160   }
1161   OS << " " << T->getNumElements();
1162 }
1163 
1164 void TextNodeDumper::VisitFunctionType(const FunctionType *T) {
1165   auto EI = T->getExtInfo();
1166   if (EI.getNoReturn())
1167     OS << " noreturn";
1168   if (EI.getProducesResult())
1169     OS << " produces_result";
1170   if (EI.getHasRegParm())
1171     OS << " regparm " << EI.getRegParm();
1172   OS << " " << FunctionType::getNameForCallConv(EI.getCC());
1173 }
1174 
1175 void TextNodeDumper::VisitFunctionProtoType(const FunctionProtoType *T) {
1176   auto EPI = T->getExtProtoInfo();
1177   if (EPI.HasTrailingReturn)
1178     OS << " trailing_return";
1179   if (T->isConst())
1180     OS << " const";
1181   if (T->isVolatile())
1182     OS << " volatile";
1183   if (T->isRestrict())
1184     OS << " restrict";
1185   if (T->getExtProtoInfo().Variadic)
1186     OS << " variadic";
1187   switch (EPI.RefQualifier) {
1188   case RQ_None:
1189     break;
1190   case RQ_LValue:
1191     OS << " &";
1192     break;
1193   case RQ_RValue:
1194     OS << " &&";
1195     break;
1196   }
1197   // FIXME: Exception specification.
1198   // FIXME: Consumed parameters.
1199   VisitFunctionType(T);
1200 }
1201 
1202 void TextNodeDumper::VisitUnresolvedUsingType(const UnresolvedUsingType *T) {
1203   dumpDeclRef(T->getDecl());
1204 }
1205 
1206 void TextNodeDumper::VisitTypedefType(const TypedefType *T) {
1207   dumpDeclRef(T->getDecl());
1208 }
1209 
1210 void TextNodeDumper::VisitUnaryTransformType(const UnaryTransformType *T) {
1211   switch (T->getUTTKind()) {
1212   case UnaryTransformType::EnumUnderlyingType:
1213     OS << " underlying_type";
1214     break;
1215   }
1216 }
1217 
1218 void TextNodeDumper::VisitTagType(const TagType *T) {
1219   dumpDeclRef(T->getDecl());
1220 }
1221 
1222 void TextNodeDumper::VisitTemplateTypeParmType(const TemplateTypeParmType *T) {
1223   OS << " depth " << T->getDepth() << " index " << T->getIndex();
1224   if (T->isParameterPack())
1225     OS << " pack";
1226   dumpDeclRef(T->getDecl());
1227 }
1228 
1229 void TextNodeDumper::VisitAutoType(const AutoType *T) {
1230   if (T->isDecltypeAuto())
1231     OS << " decltype(auto)";
1232   if (!T->isDeduced())
1233     OS << " undeduced";
1234   if (T->isConstrained()) {
1235     dumpDeclRef(T->getTypeConstraintConcept());
1236     for (const auto &Arg : T->getTypeConstraintArguments())
1237       VisitTemplateArgument(Arg);
1238   }
1239 }
1240 
1241 void TextNodeDumper::VisitTemplateSpecializationType(
1242     const TemplateSpecializationType *T) {
1243   if (T->isTypeAlias())
1244     OS << " alias";
1245   OS << " ";
1246   T->getTemplateName().dump(OS);
1247 }
1248 
1249 void TextNodeDumper::VisitInjectedClassNameType(
1250     const InjectedClassNameType *T) {
1251   dumpDeclRef(T->getDecl());
1252 }
1253 
1254 void TextNodeDumper::VisitObjCInterfaceType(const ObjCInterfaceType *T) {
1255   dumpDeclRef(T->getDecl());
1256 }
1257 
1258 void TextNodeDumper::VisitPackExpansionType(const PackExpansionType *T) {
1259   if (auto N = T->getNumExpansions())
1260     OS << " expansions " << *N;
1261 }
1262 
1263 void TextNodeDumper::VisitLabelDecl(const LabelDecl *D) { dumpName(D); }
1264 
1265 void TextNodeDumper::VisitTypedefDecl(const TypedefDecl *D) {
1266   dumpName(D);
1267   dumpType(D->getUnderlyingType());
1268   if (D->isModulePrivate())
1269     OS << " __module_private__";
1270 }
1271 
1272 void TextNodeDumper::VisitEnumDecl(const EnumDecl *D) {
1273   if (D->isScoped()) {
1274     if (D->isScopedUsingClassTag())
1275       OS << " class";
1276     else
1277       OS << " struct";
1278   }
1279   dumpName(D);
1280   if (D->isModulePrivate())
1281     OS << " __module_private__";
1282   if (D->isFixed())
1283     dumpType(D->getIntegerType());
1284 }
1285 
1286 void TextNodeDumper::VisitRecordDecl(const RecordDecl *D) {
1287   OS << ' ' << D->getKindName();
1288   dumpName(D);
1289   if (D->isModulePrivate())
1290     OS << " __module_private__";
1291   if (D->isCompleteDefinition())
1292     OS << " definition";
1293 }
1294 
1295 void TextNodeDumper::VisitEnumConstantDecl(const EnumConstantDecl *D) {
1296   dumpName(D);
1297   dumpType(D->getType());
1298 }
1299 
1300 void TextNodeDumper::VisitIndirectFieldDecl(const IndirectFieldDecl *D) {
1301   dumpName(D);
1302   dumpType(D->getType());
1303 
1304   for (const auto *Child : D->chain())
1305     dumpDeclRef(Child);
1306 }
1307 
1308 void TextNodeDumper::VisitFunctionDecl(const FunctionDecl *D) {
1309   dumpName(D);
1310   dumpType(D->getType());
1311 
1312   StorageClass SC = D->getStorageClass();
1313   if (SC != SC_None)
1314     OS << ' ' << VarDecl::getStorageClassSpecifierString(SC);
1315   if (D->isInlineSpecified())
1316     OS << " inline";
1317   if (D->isVirtualAsWritten())
1318     OS << " virtual";
1319   if (D->isModulePrivate())
1320     OS << " __module_private__";
1321 
1322   if (D->isPure())
1323     OS << " pure";
1324   if (D->isDefaulted()) {
1325     OS << " default";
1326     if (D->isDeleted())
1327       OS << "_delete";
1328   }
1329   if (D->isDeletedAsWritten())
1330     OS << " delete";
1331   if (D->isTrivial())
1332     OS << " trivial";
1333 
1334   if (const auto *FPT = D->getType()->getAs<FunctionProtoType>()) {
1335     FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo();
1336     switch (EPI.ExceptionSpec.Type) {
1337     default:
1338       break;
1339     case EST_Unevaluated:
1340       OS << " noexcept-unevaluated " << EPI.ExceptionSpec.SourceDecl;
1341       break;
1342     case EST_Uninstantiated:
1343       OS << " noexcept-uninstantiated " << EPI.ExceptionSpec.SourceTemplate;
1344       break;
1345     }
1346   }
1347 
1348   if (const auto *MD = dyn_cast<CXXMethodDecl>(D)) {
1349     if (MD->size_overridden_methods() != 0) {
1350       auto dumpOverride = [=](const CXXMethodDecl *D) {
1351         SplitQualType T_split = D->getType().split();
1352         OS << D << " " << D->getParent()->getName()
1353            << "::" << D->getNameAsString() << " '"
1354            << QualType::getAsString(T_split, PrintPolicy) << "'";
1355       };
1356 
1357       AddChild([=] {
1358         auto Overrides = MD->overridden_methods();
1359         OS << "Overrides: [ ";
1360         dumpOverride(*Overrides.begin());
1361         for (const auto *Override :
1362              llvm::make_range(Overrides.begin() + 1, Overrides.end())) {
1363           OS << ", ";
1364           dumpOverride(Override);
1365         }
1366         OS << " ]";
1367       });
1368     }
1369   }
1370 
1371   // Since NumParams comes from the FunctionProtoType of the FunctionDecl and
1372   // the Params are set later, it is possible for a dump during debugging to
1373   // encounter a FunctionDecl that has been created but hasn't been assigned
1374   // ParmVarDecls yet.
1375   if (!D->param_empty() && !D->param_begin())
1376     OS << " <<<NULL params x " << D->getNumParams() << ">>>";
1377 }
1378 
1379 void TextNodeDumper::VisitLifetimeExtendedTemporaryDecl(
1380     const LifetimeExtendedTemporaryDecl *D) {
1381   OS << " extended by ";
1382   dumpBareDeclRef(D->getExtendingDecl());
1383   OS << " mangling ";
1384   {
1385     ColorScope Color(OS, ShowColors, ValueColor);
1386     OS << D->getManglingNumber();
1387   }
1388 }
1389 
1390 void TextNodeDumper::VisitFieldDecl(const FieldDecl *D) {
1391   dumpName(D);
1392   dumpType(D->getType());
1393   if (D->isMutable())
1394     OS << " mutable";
1395   if (D->isModulePrivate())
1396     OS << " __module_private__";
1397 }
1398 
1399 void TextNodeDumper::VisitVarDecl(const VarDecl *D) {
1400   dumpName(D);
1401   dumpType(D->getType());
1402   StorageClass SC = D->getStorageClass();
1403   if (SC != SC_None)
1404     OS << ' ' << VarDecl::getStorageClassSpecifierString(SC);
1405   switch (D->getTLSKind()) {
1406   case VarDecl::TLS_None:
1407     break;
1408   case VarDecl::TLS_Static:
1409     OS << " tls";
1410     break;
1411   case VarDecl::TLS_Dynamic:
1412     OS << " tls_dynamic";
1413     break;
1414   }
1415   if (D->isModulePrivate())
1416     OS << " __module_private__";
1417   if (D->isNRVOVariable())
1418     OS << " nrvo";
1419   if (D->isInline())
1420     OS << " inline";
1421   if (D->isConstexpr())
1422     OS << " constexpr";
1423   if (D->hasInit()) {
1424     switch (D->getInitStyle()) {
1425     case VarDecl::CInit:
1426       OS << " cinit";
1427       break;
1428     case VarDecl::CallInit:
1429       OS << " callinit";
1430       break;
1431     case VarDecl::ListInit:
1432       OS << " listinit";
1433       break;
1434     }
1435   }
1436   if (D->needsDestruction(D->getASTContext()))
1437     OS << " destroyed";
1438   if (D->isParameterPack())
1439     OS << " pack";
1440 }
1441 
1442 void TextNodeDumper::VisitBindingDecl(const BindingDecl *D) {
1443   dumpName(D);
1444   dumpType(D->getType());
1445 }
1446 
1447 void TextNodeDumper::VisitCapturedDecl(const CapturedDecl *D) {
1448   if (D->isNothrow())
1449     OS << " nothrow";
1450 }
1451 
1452 void TextNodeDumper::VisitImportDecl(const ImportDecl *D) {
1453   OS << ' ' << D->getImportedModule()->getFullModuleName();
1454 
1455   for (Decl *InitD :
1456        D->getASTContext().getModuleInitializers(D->getImportedModule()))
1457     dumpDeclRef(InitD, "initializer");
1458 }
1459 
1460 void TextNodeDumper::VisitPragmaCommentDecl(const PragmaCommentDecl *D) {
1461   OS << ' ';
1462   switch (D->getCommentKind()) {
1463   case PCK_Unknown:
1464     llvm_unreachable("unexpected pragma comment kind");
1465   case PCK_Compiler:
1466     OS << "compiler";
1467     break;
1468   case PCK_ExeStr:
1469     OS << "exestr";
1470     break;
1471   case PCK_Lib:
1472     OS << "lib";
1473     break;
1474   case PCK_Linker:
1475     OS << "linker";
1476     break;
1477   case PCK_User:
1478     OS << "user";
1479     break;
1480   }
1481   StringRef Arg = D->getArg();
1482   if (!Arg.empty())
1483     OS << " \"" << Arg << "\"";
1484 }
1485 
1486 void TextNodeDumper::VisitPragmaDetectMismatchDecl(
1487     const PragmaDetectMismatchDecl *D) {
1488   OS << " \"" << D->getName() << "\" \"" << D->getValue() << "\"";
1489 }
1490 
1491 void TextNodeDumper::VisitOMPExecutableDirective(
1492     const OMPExecutableDirective *D) {
1493   if (D->isStandaloneDirective())
1494     OS << " openmp_standalone_directive";
1495 }
1496 
1497 void TextNodeDumper::VisitOMPDeclareReductionDecl(
1498     const OMPDeclareReductionDecl *D) {
1499   dumpName(D);
1500   dumpType(D->getType());
1501   OS << " combiner";
1502   dumpPointer(D->getCombiner());
1503   if (const auto *Initializer = D->getInitializer()) {
1504     OS << " initializer";
1505     dumpPointer(Initializer);
1506     switch (D->getInitializerKind()) {
1507     case OMPDeclareReductionDecl::DirectInit:
1508       OS << " omp_priv = ";
1509       break;
1510     case OMPDeclareReductionDecl::CopyInit:
1511       OS << " omp_priv ()";
1512       break;
1513     case OMPDeclareReductionDecl::CallInit:
1514       break;
1515     }
1516   }
1517 }
1518 
1519 void TextNodeDumper::VisitOMPRequiresDecl(const OMPRequiresDecl *D) {
1520   for (const auto *C : D->clauselists()) {
1521     AddChild([=] {
1522       if (!C) {
1523         ColorScope Color(OS, ShowColors, NullColor);
1524         OS << "<<<NULL>>> OMPClause";
1525         return;
1526       }
1527       {
1528         ColorScope Color(OS, ShowColors, AttrColor);
1529         StringRef ClauseName(
1530             llvm::omp::getOpenMPClauseName(C->getClauseKind()));
1531         OS << "OMP" << ClauseName.substr(/*Start=*/0, /*N=*/1).upper()
1532            << ClauseName.drop_front() << "Clause";
1533       }
1534       dumpPointer(C);
1535       dumpSourceRange(SourceRange(C->getBeginLoc(), C->getEndLoc()));
1536     });
1537   }
1538 }
1539 
1540 void TextNodeDumper::VisitOMPCapturedExprDecl(const OMPCapturedExprDecl *D) {
1541   dumpName(D);
1542   dumpType(D->getType());
1543 }
1544 
1545 void TextNodeDumper::VisitNamespaceDecl(const NamespaceDecl *D) {
1546   dumpName(D);
1547   if (D->isInline())
1548     OS << " inline";
1549   if (!D->isOriginalNamespace())
1550     dumpDeclRef(D->getOriginalNamespace(), "original");
1551 }
1552 
1553 void TextNodeDumper::VisitUsingDirectiveDecl(const UsingDirectiveDecl *D) {
1554   OS << ' ';
1555   dumpBareDeclRef(D->getNominatedNamespace());
1556 }
1557 
1558 void TextNodeDumper::VisitNamespaceAliasDecl(const NamespaceAliasDecl *D) {
1559   dumpName(D);
1560   dumpDeclRef(D->getAliasedNamespace());
1561 }
1562 
1563 void TextNodeDumper::VisitTypeAliasDecl(const TypeAliasDecl *D) {
1564   dumpName(D);
1565   dumpType(D->getUnderlyingType());
1566 }
1567 
1568 void TextNodeDumper::VisitTypeAliasTemplateDecl(
1569     const TypeAliasTemplateDecl *D) {
1570   dumpName(D);
1571 }
1572 
1573 void TextNodeDumper::VisitCXXRecordDecl(const CXXRecordDecl *D) {
1574   VisitRecordDecl(D);
1575   if (!D->isCompleteDefinition())
1576     return;
1577 
1578   AddChild([=] {
1579     {
1580       ColorScope Color(OS, ShowColors, DeclKindNameColor);
1581       OS << "DefinitionData";
1582     }
1583 #define FLAG(fn, name)                                                         \
1584   if (D->fn())                                                                 \
1585     OS << " " #name;
1586     FLAG(isParsingBaseSpecifiers, parsing_base_specifiers);
1587 
1588     FLAG(isGenericLambda, generic);
1589     FLAG(isLambda, lambda);
1590 
1591     FLAG(isAnonymousStructOrUnion, is_anonymous);
1592     FLAG(canPassInRegisters, pass_in_registers);
1593     FLAG(isEmpty, empty);
1594     FLAG(isAggregate, aggregate);
1595     FLAG(isStandardLayout, standard_layout);
1596     FLAG(isTriviallyCopyable, trivially_copyable);
1597     FLAG(isPOD, pod);
1598     FLAG(isTrivial, trivial);
1599     FLAG(isPolymorphic, polymorphic);
1600     FLAG(isAbstract, abstract);
1601     FLAG(isLiteral, literal);
1602 
1603     FLAG(hasUserDeclaredConstructor, has_user_declared_ctor);
1604     FLAG(hasConstexprNonCopyMoveConstructor, has_constexpr_non_copy_move_ctor);
1605     FLAG(hasMutableFields, has_mutable_fields);
1606     FLAG(hasVariantMembers, has_variant_members);
1607     FLAG(allowConstDefaultInit, can_const_default_init);
1608 
1609     AddChild([=] {
1610       {
1611         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1612         OS << "DefaultConstructor";
1613       }
1614       FLAG(hasDefaultConstructor, exists);
1615       FLAG(hasTrivialDefaultConstructor, trivial);
1616       FLAG(hasNonTrivialDefaultConstructor, non_trivial);
1617       FLAG(hasUserProvidedDefaultConstructor, user_provided);
1618       FLAG(hasConstexprDefaultConstructor, constexpr);
1619       FLAG(needsImplicitDefaultConstructor, needs_implicit);
1620       FLAG(defaultedDefaultConstructorIsConstexpr, defaulted_is_constexpr);
1621     });
1622 
1623     AddChild([=] {
1624       {
1625         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1626         OS << "CopyConstructor";
1627       }
1628       FLAG(hasSimpleCopyConstructor, simple);
1629       FLAG(hasTrivialCopyConstructor, trivial);
1630       FLAG(hasNonTrivialCopyConstructor, non_trivial);
1631       FLAG(hasUserDeclaredCopyConstructor, user_declared);
1632       FLAG(hasCopyConstructorWithConstParam, has_const_param);
1633       FLAG(needsImplicitCopyConstructor, needs_implicit);
1634       FLAG(needsOverloadResolutionForCopyConstructor,
1635            needs_overload_resolution);
1636       if (!D->needsOverloadResolutionForCopyConstructor())
1637         FLAG(defaultedCopyConstructorIsDeleted, defaulted_is_deleted);
1638       FLAG(implicitCopyConstructorHasConstParam, implicit_has_const_param);
1639     });
1640 
1641     AddChild([=] {
1642       {
1643         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1644         OS << "MoveConstructor";
1645       }
1646       FLAG(hasMoveConstructor, exists);
1647       FLAG(hasSimpleMoveConstructor, simple);
1648       FLAG(hasTrivialMoveConstructor, trivial);
1649       FLAG(hasNonTrivialMoveConstructor, non_trivial);
1650       FLAG(hasUserDeclaredMoveConstructor, user_declared);
1651       FLAG(needsImplicitMoveConstructor, needs_implicit);
1652       FLAG(needsOverloadResolutionForMoveConstructor,
1653            needs_overload_resolution);
1654       if (!D->needsOverloadResolutionForMoveConstructor())
1655         FLAG(defaultedMoveConstructorIsDeleted, defaulted_is_deleted);
1656     });
1657 
1658     AddChild([=] {
1659       {
1660         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1661         OS << "CopyAssignment";
1662       }
1663       FLAG(hasTrivialCopyAssignment, trivial);
1664       FLAG(hasNonTrivialCopyAssignment, non_trivial);
1665       FLAG(hasCopyAssignmentWithConstParam, has_const_param);
1666       FLAG(hasUserDeclaredCopyAssignment, user_declared);
1667       FLAG(needsImplicitCopyAssignment, needs_implicit);
1668       FLAG(needsOverloadResolutionForCopyAssignment, needs_overload_resolution);
1669       FLAG(implicitCopyAssignmentHasConstParam, implicit_has_const_param);
1670     });
1671 
1672     AddChild([=] {
1673       {
1674         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1675         OS << "MoveAssignment";
1676       }
1677       FLAG(hasMoveAssignment, exists);
1678       FLAG(hasSimpleMoveAssignment, simple);
1679       FLAG(hasTrivialMoveAssignment, trivial);
1680       FLAG(hasNonTrivialMoveAssignment, non_trivial);
1681       FLAG(hasUserDeclaredMoveAssignment, user_declared);
1682       FLAG(needsImplicitMoveAssignment, needs_implicit);
1683       FLAG(needsOverloadResolutionForMoveAssignment, needs_overload_resolution);
1684     });
1685 
1686     AddChild([=] {
1687       {
1688         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1689         OS << "Destructor";
1690       }
1691       FLAG(hasSimpleDestructor, simple);
1692       FLAG(hasIrrelevantDestructor, irrelevant);
1693       FLAG(hasTrivialDestructor, trivial);
1694       FLAG(hasNonTrivialDestructor, non_trivial);
1695       FLAG(hasUserDeclaredDestructor, user_declared);
1696       FLAG(hasConstexprDestructor, constexpr);
1697       FLAG(needsImplicitDestructor, needs_implicit);
1698       FLAG(needsOverloadResolutionForDestructor, needs_overload_resolution);
1699       if (!D->needsOverloadResolutionForDestructor())
1700         FLAG(defaultedDestructorIsDeleted, defaulted_is_deleted);
1701     });
1702   });
1703 
1704   for (const auto &I : D->bases()) {
1705     AddChild([=] {
1706       if (I.isVirtual())
1707         OS << "virtual ";
1708       dumpAccessSpecifier(I.getAccessSpecifier());
1709       dumpType(I.getType());
1710       if (I.isPackExpansion())
1711         OS << "...";
1712     });
1713   }
1714 }
1715 
1716 void TextNodeDumper::VisitFunctionTemplateDecl(const FunctionTemplateDecl *D) {
1717   dumpName(D);
1718 }
1719 
1720 void TextNodeDumper::VisitClassTemplateDecl(const ClassTemplateDecl *D) {
1721   dumpName(D);
1722 }
1723 
1724 void TextNodeDumper::VisitVarTemplateDecl(const VarTemplateDecl *D) {
1725   dumpName(D);
1726 }
1727 
1728 void TextNodeDumper::VisitBuiltinTemplateDecl(const BuiltinTemplateDecl *D) {
1729   dumpName(D);
1730 }
1731 
1732 void TextNodeDumper::VisitTemplateTypeParmDecl(const TemplateTypeParmDecl *D) {
1733   if (const auto *TC = D->getTypeConstraint()) {
1734     OS << " ";
1735     dumpBareDeclRef(TC->getNamedConcept());
1736     if (TC->getNamedConcept() != TC->getFoundDecl()) {
1737       OS << " (";
1738       dumpBareDeclRef(TC->getFoundDecl());
1739       OS << ")";
1740     }
1741     Visit(TC->getImmediatelyDeclaredConstraint());
1742   } else if (D->wasDeclaredWithTypename())
1743     OS << " typename";
1744   else
1745     OS << " class";
1746   OS << " depth " << D->getDepth() << " index " << D->getIndex();
1747   if (D->isParameterPack())
1748     OS << " ...";
1749   dumpName(D);
1750 }
1751 
1752 void TextNodeDumper::VisitNonTypeTemplateParmDecl(
1753     const NonTypeTemplateParmDecl *D) {
1754   dumpType(D->getType());
1755   OS << " depth " << D->getDepth() << " index " << D->getIndex();
1756   if (D->isParameterPack())
1757     OS << " ...";
1758   dumpName(D);
1759 }
1760 
1761 void TextNodeDumper::VisitTemplateTemplateParmDecl(
1762     const TemplateTemplateParmDecl *D) {
1763   OS << " depth " << D->getDepth() << " index " << D->getIndex();
1764   if (D->isParameterPack())
1765     OS << " ...";
1766   dumpName(D);
1767 }
1768 
1769 void TextNodeDumper::VisitUsingDecl(const UsingDecl *D) {
1770   OS << ' ';
1771   if (D->getQualifier())
1772     D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
1773   OS << D->getNameAsString();
1774 }
1775 
1776 void TextNodeDumper::VisitUnresolvedUsingTypenameDecl(
1777     const UnresolvedUsingTypenameDecl *D) {
1778   OS << ' ';
1779   if (D->getQualifier())
1780     D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
1781   OS << D->getNameAsString();
1782 }
1783 
1784 void TextNodeDumper::VisitUnresolvedUsingValueDecl(
1785     const UnresolvedUsingValueDecl *D) {
1786   OS << ' ';
1787   if (D->getQualifier())
1788     D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
1789   OS << D->getNameAsString();
1790   dumpType(D->getType());
1791 }
1792 
1793 void TextNodeDumper::VisitUsingShadowDecl(const UsingShadowDecl *D) {
1794   OS << ' ';
1795   dumpBareDeclRef(D->getTargetDecl());
1796 }
1797 
1798 void TextNodeDumper::VisitConstructorUsingShadowDecl(
1799     const ConstructorUsingShadowDecl *D) {
1800   if (D->constructsVirtualBase())
1801     OS << " virtual";
1802 
1803   AddChild([=] {
1804     OS << "target ";
1805     dumpBareDeclRef(D->getTargetDecl());
1806   });
1807 
1808   AddChild([=] {
1809     OS << "nominated ";
1810     dumpBareDeclRef(D->getNominatedBaseClass());
1811     OS << ' ';
1812     dumpBareDeclRef(D->getNominatedBaseClassShadowDecl());
1813   });
1814 
1815   AddChild([=] {
1816     OS << "constructed ";
1817     dumpBareDeclRef(D->getConstructedBaseClass());
1818     OS << ' ';
1819     dumpBareDeclRef(D->getConstructedBaseClassShadowDecl());
1820   });
1821 }
1822 
1823 void TextNodeDumper::VisitLinkageSpecDecl(const LinkageSpecDecl *D) {
1824   switch (D->getLanguage()) {
1825   case LinkageSpecDecl::lang_c:
1826     OS << " C";
1827     break;
1828   case LinkageSpecDecl::lang_cxx:
1829     OS << " C++";
1830     break;
1831   }
1832 }
1833 
1834 void TextNodeDumper::VisitAccessSpecDecl(const AccessSpecDecl *D) {
1835   OS << ' ';
1836   dumpAccessSpecifier(D->getAccess());
1837 }
1838 
1839 void TextNodeDumper::VisitFriendDecl(const FriendDecl *D) {
1840   if (TypeSourceInfo *T = D->getFriendType())
1841     dumpType(T->getType());
1842 }
1843 
1844 void TextNodeDumper::VisitObjCIvarDecl(const ObjCIvarDecl *D) {
1845   dumpName(D);
1846   dumpType(D->getType());
1847   if (D->getSynthesize())
1848     OS << " synthesize";
1849 
1850   switch (D->getAccessControl()) {
1851   case ObjCIvarDecl::None:
1852     OS << " none";
1853     break;
1854   case ObjCIvarDecl::Private:
1855     OS << " private";
1856     break;
1857   case ObjCIvarDecl::Protected:
1858     OS << " protected";
1859     break;
1860   case ObjCIvarDecl::Public:
1861     OS << " public";
1862     break;
1863   case ObjCIvarDecl::Package:
1864     OS << " package";
1865     break;
1866   }
1867 }
1868 
1869 void TextNodeDumper::VisitObjCMethodDecl(const ObjCMethodDecl *D) {
1870   if (D->isInstanceMethod())
1871     OS << " -";
1872   else
1873     OS << " +";
1874   dumpName(D);
1875   dumpType(D->getReturnType());
1876 
1877   if (D->isVariadic())
1878     OS << " variadic";
1879 }
1880 
1881 void TextNodeDumper::VisitObjCTypeParamDecl(const ObjCTypeParamDecl *D) {
1882   dumpName(D);
1883   switch (D->getVariance()) {
1884   case ObjCTypeParamVariance::Invariant:
1885     break;
1886 
1887   case ObjCTypeParamVariance::Covariant:
1888     OS << " covariant";
1889     break;
1890 
1891   case ObjCTypeParamVariance::Contravariant:
1892     OS << " contravariant";
1893     break;
1894   }
1895 
1896   if (D->hasExplicitBound())
1897     OS << " bounded";
1898   dumpType(D->getUnderlyingType());
1899 }
1900 
1901 void TextNodeDumper::VisitObjCCategoryDecl(const ObjCCategoryDecl *D) {
1902   dumpName(D);
1903   dumpDeclRef(D->getClassInterface());
1904   dumpDeclRef(D->getImplementation());
1905   for (const auto *P : D->protocols())
1906     dumpDeclRef(P);
1907 }
1908 
1909 void TextNodeDumper::VisitObjCCategoryImplDecl(const ObjCCategoryImplDecl *D) {
1910   dumpName(D);
1911   dumpDeclRef(D->getClassInterface());
1912   dumpDeclRef(D->getCategoryDecl());
1913 }
1914 
1915 void TextNodeDumper::VisitObjCProtocolDecl(const ObjCProtocolDecl *D) {
1916   dumpName(D);
1917 
1918   for (const auto *Child : D->protocols())
1919     dumpDeclRef(Child);
1920 }
1921 
1922 void TextNodeDumper::VisitObjCInterfaceDecl(const ObjCInterfaceDecl *D) {
1923   dumpName(D);
1924   dumpDeclRef(D->getSuperClass(), "super");
1925 
1926   dumpDeclRef(D->getImplementation());
1927   for (const auto *Child : D->protocols())
1928     dumpDeclRef(Child);
1929 }
1930 
1931 void TextNodeDumper::VisitObjCImplementationDecl(
1932     const ObjCImplementationDecl *D) {
1933   dumpName(D);
1934   dumpDeclRef(D->getSuperClass(), "super");
1935   dumpDeclRef(D->getClassInterface());
1936 }
1937 
1938 void TextNodeDumper::VisitObjCCompatibleAliasDecl(
1939     const ObjCCompatibleAliasDecl *D) {
1940   dumpName(D);
1941   dumpDeclRef(D->getClassInterface());
1942 }
1943 
1944 void TextNodeDumper::VisitObjCPropertyDecl(const ObjCPropertyDecl *D) {
1945   dumpName(D);
1946   dumpType(D->getType());
1947 
1948   if (D->getPropertyImplementation() == ObjCPropertyDecl::Required)
1949     OS << " required";
1950   else if (D->getPropertyImplementation() == ObjCPropertyDecl::Optional)
1951     OS << " optional";
1952 
1953   ObjCPropertyAttribute::Kind Attrs = D->getPropertyAttributes();
1954   if (Attrs != ObjCPropertyAttribute::kind_noattr) {
1955     if (Attrs & ObjCPropertyAttribute::kind_readonly)
1956       OS << " readonly";
1957     if (Attrs & ObjCPropertyAttribute::kind_assign)
1958       OS << " assign";
1959     if (Attrs & ObjCPropertyAttribute::kind_readwrite)
1960       OS << " readwrite";
1961     if (Attrs & ObjCPropertyAttribute::kind_retain)
1962       OS << " retain";
1963     if (Attrs & ObjCPropertyAttribute::kind_copy)
1964       OS << " copy";
1965     if (Attrs & ObjCPropertyAttribute::kind_nonatomic)
1966       OS << " nonatomic";
1967     if (Attrs & ObjCPropertyAttribute::kind_atomic)
1968       OS << " atomic";
1969     if (Attrs & ObjCPropertyAttribute::kind_weak)
1970       OS << " weak";
1971     if (Attrs & ObjCPropertyAttribute::kind_strong)
1972       OS << " strong";
1973     if (Attrs & ObjCPropertyAttribute::kind_unsafe_unretained)
1974       OS << " unsafe_unretained";
1975     if (Attrs & ObjCPropertyAttribute::kind_class)
1976       OS << " class";
1977     if (Attrs & ObjCPropertyAttribute::kind_direct)
1978       OS << " direct";
1979     if (Attrs & ObjCPropertyAttribute::kind_getter)
1980       dumpDeclRef(D->getGetterMethodDecl(), "getter");
1981     if (Attrs & ObjCPropertyAttribute::kind_setter)
1982       dumpDeclRef(D->getSetterMethodDecl(), "setter");
1983   }
1984 }
1985 
1986 void TextNodeDumper::VisitObjCPropertyImplDecl(const ObjCPropertyImplDecl *D) {
1987   dumpName(D->getPropertyDecl());
1988   if (D->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize)
1989     OS << " synthesize";
1990   else
1991     OS << " dynamic";
1992   dumpDeclRef(D->getPropertyDecl());
1993   dumpDeclRef(D->getPropertyIvarDecl());
1994 }
1995 
1996 void TextNodeDumper::VisitBlockDecl(const BlockDecl *D) {
1997   if (D->isVariadic())
1998     OS << " variadic";
1999 
2000   if (D->capturesCXXThis())
2001     OS << " captures_this";
2002 }
2003 
2004 void TextNodeDumper::VisitConceptDecl(const ConceptDecl *D) {
2005   dumpName(D);
2006 }
2007