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 #include "clang/Basic/TypeTraits.h"
22 
23 using namespace clang;
24 
25 static void dumpPreviousDeclImpl(raw_ostream &OS, ...) {}
26 
27 template <typename T>
28 static void dumpPreviousDeclImpl(raw_ostream &OS, const Mergeable<T> *D) {
29   const T *First = D->getFirstDecl();
30   if (First != D)
31     OS << " first " << First;
32 }
33 
34 template <typename T>
35 static void dumpPreviousDeclImpl(raw_ostream &OS, const Redeclarable<T> *D) {
36   const T *Prev = D->getPreviousDecl();
37   if (Prev)
38     OS << " prev " << Prev;
39 }
40 
41 /// Dump the previous declaration in the redeclaration chain for a declaration,
42 /// if any.
43 static void dumpPreviousDecl(raw_ostream &OS, const Decl *D) {
44   switch (D->getKind()) {
45 #define DECL(DERIVED, BASE)                                                    \
46   case Decl::DERIVED:                                                          \
47     return dumpPreviousDeclImpl(OS, cast<DERIVED##Decl>(D));
48 #define ABSTRACT_DECL(DECL)
49 #include "clang/AST/DeclNodes.inc"
50   }
51   llvm_unreachable("Decl that isn't part of DeclNodes.inc!");
52 }
53 
54 TextNodeDumper::TextNodeDumper(raw_ostream &OS, bool ShowColors,
55                                const SourceManager *SM,
56                                const PrintingPolicy &PrintPolicy,
57                                const comments::CommandTraits *Traits)
58     : TextTreeStructure(OS, ShowColors), OS(OS), ShowColors(ShowColors), SM(SM),
59       PrintPolicy(PrintPolicy), Traits(Traits) {}
60 
61 void TextNodeDumper::Visit(const comments::Comment *C,
62                            const comments::FullComment *FC) {
63   if (!C) {
64     ColorScope Color(OS, ShowColors, NullColor);
65     OS << "<<<NULL>>>";
66     return;
67   }
68 
69   {
70     ColorScope Color(OS, ShowColors, CommentColor);
71     OS << C->getCommentKindName();
72   }
73   dumpPointer(C);
74   dumpSourceRange(C->getSourceRange());
75 
76   ConstCommentVisitor<TextNodeDumper, void,
77                       const comments::FullComment *>::visit(C, FC);
78 }
79 
80 void TextNodeDumper::Visit(const Attr *A) {
81   {
82     ColorScope Color(OS, ShowColors, AttrColor);
83 
84     switch (A->getKind()) {
85 #define ATTR(X)                                                                \
86   case attr::X:                                                                \
87     OS << #X;                                                                  \
88     break;
89 #include "clang/Basic/AttrList.inc"
90     }
91     OS << "Attr";
92   }
93   dumpPointer(A);
94   dumpSourceRange(A->getRange());
95   if (A->isInherited())
96     OS << " Inherited";
97   if (A->isImplicit())
98     OS << " Implicit";
99 
100   ConstAttrVisitor<TextNodeDumper>::Visit(A);
101 }
102 
103 void TextNodeDumper::Visit(const TemplateArgument &TA, SourceRange R,
104                            const Decl *From, StringRef Label) {
105   OS << "TemplateArgument";
106   if (R.isValid())
107     dumpSourceRange(R);
108 
109   if (From)
110     dumpDeclRef(From, Label);
111 
112   ConstTemplateArgumentVisitor<TextNodeDumper>::Visit(TA);
113 }
114 
115 void TextNodeDumper::Visit(const Stmt *Node) {
116   if (!Node) {
117     ColorScope Color(OS, ShowColors, NullColor);
118     OS << "<<<NULL>>>";
119     return;
120   }
121   {
122     ColorScope Color(OS, ShowColors, StmtColor);
123     OS << Node->getStmtClassName();
124   }
125   dumpPointer(Node);
126   dumpSourceRange(Node->getSourceRange());
127 
128   if (const auto *E = dyn_cast<Expr>(Node)) {
129     dumpType(E->getType());
130 
131     if (E->containsErrors()) {
132       ColorScope Color(OS, ShowColors, ErrorsColor);
133       OS << " contains-errors";
134     }
135 
136     {
137       ColorScope Color(OS, ShowColors, ValueKindColor);
138       switch (E->getValueKind()) {
139       case VK_RValue:
140         break;
141       case VK_LValue:
142         OS << " lvalue";
143         break;
144       case VK_XValue:
145         OS << " xvalue";
146         break;
147       }
148     }
149 
150     {
151       ColorScope Color(OS, ShowColors, ObjectKindColor);
152       switch (E->getObjectKind()) {
153       case OK_Ordinary:
154         break;
155       case OK_BitField:
156         OS << " bitfield";
157         break;
158       case OK_ObjCProperty:
159         OS << " objcproperty";
160         break;
161       case OK_ObjCSubscript:
162         OS << " objcsubscript";
163         break;
164       case OK_VectorComponent:
165         OS << " vectorcomponent";
166         break;
167       case OK_MatrixComponent:
168         OS << " matrixcomponent";
169         break;
170       }
171     }
172   }
173 
174   ConstStmtVisitor<TextNodeDumper>::Visit(Node);
175 }
176 
177 void TextNodeDumper::Visit(const Type *T) {
178   if (!T) {
179     ColorScope Color(OS, ShowColors, NullColor);
180     OS << "<<<NULL>>>";
181     return;
182   }
183   if (isa<LocInfoType>(T)) {
184     {
185       ColorScope Color(OS, ShowColors, TypeColor);
186       OS << "LocInfo Type";
187     }
188     dumpPointer(T);
189     return;
190   }
191 
192   {
193     ColorScope Color(OS, ShowColors, TypeColor);
194     OS << T->getTypeClassName() << "Type";
195   }
196   dumpPointer(T);
197   OS << " ";
198   dumpBareType(QualType(T, 0), false);
199 
200   QualType SingleStepDesugar =
201       T->getLocallyUnqualifiedSingleStepDesugaredType();
202   if (SingleStepDesugar != QualType(T, 0))
203     OS << " sugar";
204 
205   if (T->containsErrors()) {
206     ColorScope Color(OS, ShowColors, ErrorsColor);
207     OS << " contains-errors";
208   }
209 
210   if (T->isDependentType())
211     OS << " dependent";
212   else if (T->isInstantiationDependentType())
213     OS << " instantiation_dependent";
214 
215   if (T->isVariablyModifiedType())
216     OS << " variably_modified";
217   if (T->containsUnexpandedParameterPack())
218     OS << " contains_unexpanded_pack";
219   if (T->isFromAST())
220     OS << " imported";
221 
222   TypeVisitor<TextNodeDumper>::Visit(T);
223 }
224 
225 void TextNodeDumper::Visit(QualType T) {
226   OS << "QualType";
227   dumpPointer(T.getAsOpaquePtr());
228   OS << " ";
229   dumpBareType(T, false);
230   OS << " " << T.split().Quals.getAsString();
231 }
232 
233 void TextNodeDumper::Visit(const Decl *D) {
234   if (!D) {
235     ColorScope Color(OS, ShowColors, NullColor);
236     OS << "<<<NULL>>>";
237     return;
238   }
239 
240   {
241     ColorScope Color(OS, ShowColors, DeclKindNameColor);
242     OS << D->getDeclKindName() << "Decl";
243   }
244   dumpPointer(D);
245   if (D->getLexicalDeclContext() != D->getDeclContext())
246     OS << " parent " << cast<Decl>(D->getDeclContext());
247   dumpPreviousDecl(OS, D);
248   dumpSourceRange(D->getSourceRange());
249   OS << ' ';
250   dumpLocation(D->getLocation());
251   if (D->isFromASTFile())
252     OS << " imported";
253   if (Module *M = D->getOwningModule())
254     OS << " in " << M->getFullModuleName();
255   if (auto *ND = dyn_cast<NamedDecl>(D))
256     for (Module *M : D->getASTContext().getModulesWithMergedDefinition(
257              const_cast<NamedDecl *>(ND)))
258       AddChild([=] { OS << "also in " << M->getFullModuleName(); });
259   if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
260     if (!ND->isUnconditionallyVisible())
261       OS << " hidden";
262   if (D->isImplicit())
263     OS << " implicit";
264 
265   if (D->isUsed())
266     OS << " used";
267   else if (D->isThisDeclarationReferenced())
268     OS << " referenced";
269 
270   if (D->isInvalidDecl())
271     OS << " invalid";
272   if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
273     if (FD->isConstexprSpecified())
274       OS << " constexpr";
275     if (FD->isConsteval())
276       OS << " consteval";
277   }
278 
279   if (!isa<FunctionDecl>(*D)) {
280     const auto *MD = dyn_cast<ObjCMethodDecl>(D);
281     if (!MD || !MD->isThisDeclarationADefinition()) {
282       const auto *DC = dyn_cast<DeclContext>(D);
283       if (DC && DC->hasExternalLexicalStorage()) {
284         ColorScope Color(OS, ShowColors, UndeserializedColor);
285         OS << " <undeserialized declarations>";
286       }
287     }
288   }
289 
290   ConstDeclVisitor<TextNodeDumper>::Visit(D);
291 }
292 
293 void TextNodeDumper::Visit(const CXXCtorInitializer *Init) {
294   OS << "CXXCtorInitializer";
295   if (Init->isAnyMemberInitializer()) {
296     OS << ' ';
297     dumpBareDeclRef(Init->getAnyMember());
298   } else if (Init->isBaseInitializer()) {
299     dumpType(QualType(Init->getBaseClass(), 0));
300   } else if (Init->isDelegatingInitializer()) {
301     dumpType(Init->getTypeSourceInfo()->getType());
302   } else {
303     llvm_unreachable("Unknown initializer type");
304   }
305 }
306 
307 void TextNodeDumper::Visit(const BlockDecl::Capture &C) {
308   OS << "capture";
309   if (C.isByRef())
310     OS << " byref";
311   if (C.isNested())
312     OS << " nested";
313   if (C.getVariable()) {
314     OS << ' ';
315     dumpBareDeclRef(C.getVariable());
316   }
317 }
318 
319 void TextNodeDumper::Visit(const OMPClause *C) {
320   if (!C) {
321     ColorScope Color(OS, ShowColors, NullColor);
322     OS << "<<<NULL>>> OMPClause";
323     return;
324   }
325   {
326     ColorScope Color(OS, ShowColors, AttrColor);
327     StringRef ClauseName(llvm::omp::getOpenMPClauseName(C->getClauseKind()));
328     OS << "OMP" << ClauseName.substr(/*Start=*/0, /*N=*/1).upper()
329        << ClauseName.drop_front() << "Clause";
330   }
331   dumpPointer(C);
332   dumpSourceRange(SourceRange(C->getBeginLoc(), C->getEndLoc()));
333   if (C->isImplicit())
334     OS << " <implicit>";
335 }
336 
337 void TextNodeDumper::Visit(const GenericSelectionExpr::ConstAssociation &A) {
338   const TypeSourceInfo *TSI = A.getTypeSourceInfo();
339   if (TSI) {
340     OS << "case ";
341     dumpType(TSI->getType());
342   } else {
343     OS << "default";
344   }
345 
346   if (A.isSelected())
347     OS << " selected";
348 }
349 
350 void TextNodeDumper::dumpPointer(const void *Ptr) {
351   ColorScope Color(OS, ShowColors, AddressColor);
352   OS << ' ' << Ptr;
353 }
354 
355 void TextNodeDumper::dumpLocation(SourceLocation Loc) {
356   if (!SM)
357     return;
358 
359   ColorScope Color(OS, ShowColors, LocationColor);
360   SourceLocation SpellingLoc = SM->getSpellingLoc(Loc);
361 
362   // The general format we print out is filename:line:col, but we drop pieces
363   // that haven't changed since the last loc printed.
364   PresumedLoc PLoc = SM->getPresumedLoc(SpellingLoc);
365 
366   if (PLoc.isInvalid()) {
367     OS << "<invalid sloc>";
368     return;
369   }
370 
371   if (strcmp(PLoc.getFilename(), LastLocFilename) != 0) {
372     OS << PLoc.getFilename() << ':' << PLoc.getLine() << ':'
373        << PLoc.getColumn();
374     LastLocFilename = PLoc.getFilename();
375     LastLocLine = PLoc.getLine();
376   } else if (PLoc.getLine() != LastLocLine) {
377     OS << "line" << ':' << PLoc.getLine() << ':' << PLoc.getColumn();
378     LastLocLine = PLoc.getLine();
379   } else {
380     OS << "col" << ':' << PLoc.getColumn();
381   }
382 }
383 
384 void TextNodeDumper::dumpSourceRange(SourceRange R) {
385   // Can't translate locations if a SourceManager isn't available.
386   if (!SM)
387     return;
388 
389   OS << " <";
390   dumpLocation(R.getBegin());
391   if (R.getBegin() != R.getEnd()) {
392     OS << ", ";
393     dumpLocation(R.getEnd());
394   }
395   OS << ">";
396 
397   // <t2.c:123:421[blah], t2.c:412:321>
398 }
399 
400 void TextNodeDumper::dumpBareType(QualType T, bool Desugar) {
401   ColorScope Color(OS, ShowColors, TypeColor);
402 
403   SplitQualType T_split = T.split();
404   OS << "'" << QualType::getAsString(T_split, PrintPolicy) << "'";
405 
406   if (Desugar && !T.isNull()) {
407     // If the type is sugared, also dump a (shallow) desugared type.
408     SplitQualType D_split = T.getSplitDesugaredType();
409     if (T_split != D_split)
410       OS << ":'" << QualType::getAsString(D_split, PrintPolicy) << "'";
411   }
412 }
413 
414 void TextNodeDumper::dumpType(QualType T) {
415   OS << ' ';
416   dumpBareType(T);
417 }
418 
419 void TextNodeDumper::dumpBareDeclRef(const Decl *D) {
420   if (!D) {
421     ColorScope Color(OS, ShowColors, NullColor);
422     OS << "<<<NULL>>>";
423     return;
424   }
425 
426   {
427     ColorScope Color(OS, ShowColors, DeclKindNameColor);
428     OS << D->getDeclKindName();
429   }
430   dumpPointer(D);
431 
432   if (const NamedDecl *ND = dyn_cast<NamedDecl>(D)) {
433     ColorScope Color(OS, ShowColors, DeclNameColor);
434     OS << " '" << ND->getDeclName() << '\'';
435   }
436 
437   if (const ValueDecl *VD = dyn_cast<ValueDecl>(D))
438     dumpType(VD->getType());
439 }
440 
441 void TextNodeDumper::dumpName(const NamedDecl *ND) {
442   if (ND->getDeclName()) {
443     ColorScope Color(OS, ShowColors, DeclNameColor);
444     OS << ' ' << ND->getNameAsString();
445   }
446 }
447 
448 void TextNodeDumper::dumpAccessSpecifier(AccessSpecifier AS) {
449   const auto AccessSpelling = getAccessSpelling(AS);
450   if (AccessSpelling.empty())
451     return;
452   OS << AccessSpelling;
453 }
454 
455 void TextNodeDumper::dumpCleanupObject(
456     const ExprWithCleanups::CleanupObject &C) {
457   if (auto *BD = C.dyn_cast<BlockDecl *>())
458     dumpDeclRef(BD, "cleanup");
459   else if (auto *CLE = C.dyn_cast<CompoundLiteralExpr *>())
460     AddChild([=] {
461       OS << "cleanup ";
462       {
463         ColorScope Color(OS, ShowColors, StmtColor);
464         OS << CLE->getStmtClassName();
465       }
466       dumpPointer(CLE);
467     });
468   else
469     llvm_unreachable("unexpected cleanup type");
470 }
471 
472 void TextNodeDumper::dumpDeclRef(const Decl *D, StringRef Label) {
473   if (!D)
474     return;
475 
476   AddChild([=] {
477     if (!Label.empty())
478       OS << Label << ' ';
479     dumpBareDeclRef(D);
480   });
481 }
482 
483 const char *TextNodeDumper::getCommandName(unsigned CommandID) {
484   if (Traits)
485     return Traits->getCommandInfo(CommandID)->Name;
486   const comments::CommandInfo *Info =
487       comments::CommandTraits::getBuiltinCommandInfo(CommandID);
488   if (Info)
489     return Info->Name;
490   return "<not a builtin command>";
491 }
492 
493 void TextNodeDumper::visitTextComment(const comments::TextComment *C,
494                                       const comments::FullComment *) {
495   OS << " Text=\"" << C->getText() << "\"";
496 }
497 
498 void TextNodeDumper::visitInlineCommandComment(
499     const comments::InlineCommandComment *C, const comments::FullComment *) {
500   OS << " Name=\"" << getCommandName(C->getCommandID()) << "\"";
501   switch (C->getRenderKind()) {
502   case comments::InlineCommandComment::RenderNormal:
503     OS << " RenderNormal";
504     break;
505   case comments::InlineCommandComment::RenderBold:
506     OS << " RenderBold";
507     break;
508   case comments::InlineCommandComment::RenderMonospaced:
509     OS << " RenderMonospaced";
510     break;
511   case comments::InlineCommandComment::RenderEmphasized:
512     OS << " RenderEmphasized";
513     break;
514   case comments::InlineCommandComment::RenderAnchor:
515     OS << " RenderAnchor";
516     break;
517   }
518 
519   for (unsigned i = 0, e = C->getNumArgs(); i != e; ++i)
520     OS << " Arg[" << i << "]=\"" << C->getArgText(i) << "\"";
521 }
522 
523 void TextNodeDumper::visitHTMLStartTagComment(
524     const comments::HTMLStartTagComment *C, const comments::FullComment *) {
525   OS << " Name=\"" << C->getTagName() << "\"";
526   if (C->getNumAttrs() != 0) {
527     OS << " Attrs: ";
528     for (unsigned i = 0, e = C->getNumAttrs(); i != e; ++i) {
529       const comments::HTMLStartTagComment::Attribute &Attr = C->getAttr(i);
530       OS << " \"" << Attr.Name << "=\"" << Attr.Value << "\"";
531     }
532   }
533   if (C->isSelfClosing())
534     OS << " SelfClosing";
535 }
536 
537 void TextNodeDumper::visitHTMLEndTagComment(
538     const comments::HTMLEndTagComment *C, const comments::FullComment *) {
539   OS << " Name=\"" << C->getTagName() << "\"";
540 }
541 
542 void TextNodeDumper::visitBlockCommandComment(
543     const comments::BlockCommandComment *C, const comments::FullComment *) {
544   OS << " Name=\"" << getCommandName(C->getCommandID()) << "\"";
545   for (unsigned i = 0, e = C->getNumArgs(); i != e; ++i)
546     OS << " Arg[" << i << "]=\"" << C->getArgText(i) << "\"";
547 }
548 
549 void TextNodeDumper::visitParamCommandComment(
550     const comments::ParamCommandComment *C, const comments::FullComment *FC) {
551   OS << " "
552      << comments::ParamCommandComment::getDirectionAsString(C->getDirection());
553 
554   if (C->isDirectionExplicit())
555     OS << " explicitly";
556   else
557     OS << " implicitly";
558 
559   if (C->hasParamName()) {
560     if (C->isParamIndexValid())
561       OS << " Param=\"" << C->getParamName(FC) << "\"";
562     else
563       OS << " Param=\"" << C->getParamNameAsWritten() << "\"";
564   }
565 
566   if (C->isParamIndexValid() && !C->isVarArgParam())
567     OS << " ParamIndex=" << C->getParamIndex();
568 }
569 
570 void TextNodeDumper::visitTParamCommandComment(
571     const comments::TParamCommandComment *C, const comments::FullComment *FC) {
572   if (C->hasParamName()) {
573     if (C->isPositionValid())
574       OS << " Param=\"" << C->getParamName(FC) << "\"";
575     else
576       OS << " Param=\"" << C->getParamNameAsWritten() << "\"";
577   }
578 
579   if (C->isPositionValid()) {
580     OS << " Position=<";
581     for (unsigned i = 0, e = C->getDepth(); i != e; ++i) {
582       OS << C->getIndex(i);
583       if (i != e - 1)
584         OS << ", ";
585     }
586     OS << ">";
587   }
588 }
589 
590 void TextNodeDumper::visitVerbatimBlockComment(
591     const comments::VerbatimBlockComment *C, const comments::FullComment *) {
592   OS << " Name=\"" << getCommandName(C->getCommandID())
593      << "\""
594         " CloseName=\""
595      << C->getCloseName() << "\"";
596 }
597 
598 void TextNodeDumper::visitVerbatimBlockLineComment(
599     const comments::VerbatimBlockLineComment *C,
600     const comments::FullComment *) {
601   OS << " Text=\"" << C->getText() << "\"";
602 }
603 
604 void TextNodeDumper::visitVerbatimLineComment(
605     const comments::VerbatimLineComment *C, const comments::FullComment *) {
606   OS << " Text=\"" << C->getText() << "\"";
607 }
608 
609 void TextNodeDumper::VisitNullTemplateArgument(const TemplateArgument &) {
610   OS << " null";
611 }
612 
613 void TextNodeDumper::VisitTypeTemplateArgument(const TemplateArgument &TA) {
614   OS << " type";
615   dumpType(TA.getAsType());
616 }
617 
618 void TextNodeDumper::VisitDeclarationTemplateArgument(
619     const TemplateArgument &TA) {
620   OS << " decl";
621   dumpDeclRef(TA.getAsDecl());
622 }
623 
624 void TextNodeDumper::VisitNullPtrTemplateArgument(const TemplateArgument &) {
625   OS << " nullptr";
626 }
627 
628 void TextNodeDumper::VisitIntegralTemplateArgument(const TemplateArgument &TA) {
629   OS << " integral " << TA.getAsIntegral();
630 }
631 
632 void TextNodeDumper::VisitTemplateTemplateArgument(const TemplateArgument &TA) {
633   OS << " template ";
634   TA.getAsTemplate().dump(OS);
635 }
636 
637 void TextNodeDumper::VisitTemplateExpansionTemplateArgument(
638     const TemplateArgument &TA) {
639   OS << " template expansion ";
640   TA.getAsTemplateOrTemplatePattern().dump(OS);
641 }
642 
643 void TextNodeDumper::VisitExpressionTemplateArgument(const TemplateArgument &) {
644   OS << " expr";
645 }
646 
647 void TextNodeDumper::VisitPackTemplateArgument(const TemplateArgument &) {
648   OS << " pack";
649 }
650 
651 static void dumpBasePath(raw_ostream &OS, const CastExpr *Node) {
652   if (Node->path_empty())
653     return;
654 
655   OS << " (";
656   bool First = true;
657   for (CastExpr::path_const_iterator I = Node->path_begin(),
658                                      E = Node->path_end();
659        I != E; ++I) {
660     const CXXBaseSpecifier *Base = *I;
661     if (!First)
662       OS << " -> ";
663 
664     const auto *RD =
665         cast<CXXRecordDecl>(Base->getType()->castAs<RecordType>()->getDecl());
666 
667     if (Base->isVirtual())
668       OS << "virtual ";
669     OS << RD->getName();
670     First = false;
671   }
672 
673   OS << ')';
674 }
675 
676 void TextNodeDumper::VisitIfStmt(const IfStmt *Node) {
677   if (Node->hasInitStorage())
678     OS << " has_init";
679   if (Node->hasVarStorage())
680     OS << " has_var";
681   if (Node->hasElseStorage())
682     OS << " has_else";
683 }
684 
685 void TextNodeDumper::VisitSwitchStmt(const SwitchStmt *Node) {
686   if (Node->hasInitStorage())
687     OS << " has_init";
688   if (Node->hasVarStorage())
689     OS << " has_var";
690 }
691 
692 void TextNodeDumper::VisitWhileStmt(const WhileStmt *Node) {
693   if (Node->hasVarStorage())
694     OS << " has_var";
695 }
696 
697 void TextNodeDumper::VisitLabelStmt(const LabelStmt *Node) {
698   OS << " '" << Node->getName() << "'";
699 }
700 
701 void TextNodeDumper::VisitGotoStmt(const GotoStmt *Node) {
702   OS << " '" << Node->getLabel()->getName() << "'";
703   dumpPointer(Node->getLabel());
704 }
705 
706 void TextNodeDumper::VisitCaseStmt(const CaseStmt *Node) {
707   if (Node->caseStmtIsGNURange())
708     OS << " gnu_range";
709 }
710 
711 void TextNodeDumper::VisitConstantExpr(const ConstantExpr *Node) {
712   if (Node->getResultAPValueKind() != APValue::None) {
713     ColorScope Color(OS, ShowColors, ValueColor);
714     OS << " ";
715     Node->getAPValueResult().dump(OS);
716   }
717 }
718 
719 void TextNodeDumper::VisitCallExpr(const CallExpr *Node) {
720   if (Node->usesADL())
721     OS << " adl";
722 }
723 
724 void TextNodeDumper::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *Node) {
725   const char *OperatorSpelling = clang::getOperatorSpelling(Node->getOperator());
726   if (OperatorSpelling)
727     OS << " '" << OperatorSpelling << "'";
728 
729   VisitCallExpr(Node);
730 }
731 
732 void TextNodeDumper::VisitCastExpr(const CastExpr *Node) {
733   OS << " <";
734   {
735     ColorScope Color(OS, ShowColors, CastColor);
736     OS << Node->getCastKindName();
737   }
738   dumpBasePath(OS, Node);
739   OS << ">";
740 }
741 
742 void TextNodeDumper::VisitImplicitCastExpr(const ImplicitCastExpr *Node) {
743   VisitCastExpr(Node);
744   if (Node->isPartOfExplicitCast())
745     OS << " part_of_explicit_cast";
746 }
747 
748 void TextNodeDumper::VisitDeclRefExpr(const DeclRefExpr *Node) {
749   OS << " ";
750   dumpBareDeclRef(Node->getDecl());
751   if (Node->getDecl() != Node->getFoundDecl()) {
752     OS << " (";
753     dumpBareDeclRef(Node->getFoundDecl());
754     OS << ")";
755   }
756   switch (Node->isNonOdrUse()) {
757   case NOUR_None: break;
758   case NOUR_Unevaluated: OS << " non_odr_use_unevaluated"; break;
759   case NOUR_Constant: OS << " non_odr_use_constant"; break;
760   case NOUR_Discarded: OS << " non_odr_use_discarded"; break;
761   }
762 }
763 
764 void TextNodeDumper::VisitUnresolvedLookupExpr(
765     const UnresolvedLookupExpr *Node) {
766   OS << " (";
767   if (!Node->requiresADL())
768     OS << "no ";
769   OS << "ADL) = '" << Node->getName() << '\'';
770 
771   UnresolvedLookupExpr::decls_iterator I = Node->decls_begin(),
772                                        E = Node->decls_end();
773   if (I == E)
774     OS << " empty";
775   for (; I != E; ++I)
776     dumpPointer(*I);
777 }
778 
779 void TextNodeDumper::VisitObjCIvarRefExpr(const ObjCIvarRefExpr *Node) {
780   {
781     ColorScope Color(OS, ShowColors, DeclKindNameColor);
782     OS << " " << Node->getDecl()->getDeclKindName() << "Decl";
783   }
784   OS << "='" << *Node->getDecl() << "'";
785   dumpPointer(Node->getDecl());
786   if (Node->isFreeIvar())
787     OS << " isFreeIvar";
788 }
789 
790 void TextNodeDumper::VisitPredefinedExpr(const PredefinedExpr *Node) {
791   OS << " " << PredefinedExpr::getIdentKindName(Node->getIdentKind());
792 }
793 
794 void TextNodeDumper::VisitCharacterLiteral(const CharacterLiteral *Node) {
795   ColorScope Color(OS, ShowColors, ValueColor);
796   OS << " " << Node->getValue();
797 }
798 
799 void TextNodeDumper::VisitIntegerLiteral(const IntegerLiteral *Node) {
800   bool isSigned = Node->getType()->isSignedIntegerType();
801   ColorScope Color(OS, ShowColors, ValueColor);
802   OS << " " << Node->getValue().toString(10, isSigned);
803 }
804 
805 void TextNodeDumper::VisitFixedPointLiteral(const FixedPointLiteral *Node) {
806   ColorScope Color(OS, ShowColors, ValueColor);
807   OS << " " << Node->getValueAsString(/*Radix=*/10);
808 }
809 
810 void TextNodeDumper::VisitFloatingLiteral(const FloatingLiteral *Node) {
811   ColorScope Color(OS, ShowColors, ValueColor);
812   OS << " " << Node->getValueAsApproximateDouble();
813 }
814 
815 void TextNodeDumper::VisitStringLiteral(const StringLiteral *Str) {
816   ColorScope Color(OS, ShowColors, ValueColor);
817   OS << " ";
818   Str->outputString(OS);
819 }
820 
821 void TextNodeDumper::VisitInitListExpr(const InitListExpr *ILE) {
822   if (auto *Field = ILE->getInitializedFieldInUnion()) {
823     OS << " field ";
824     dumpBareDeclRef(Field);
825   }
826 }
827 
828 void TextNodeDumper::VisitGenericSelectionExpr(const GenericSelectionExpr *E) {
829   if (E->isResultDependent())
830     OS << " result_dependent";
831 }
832 
833 void TextNodeDumper::VisitUnaryOperator(const UnaryOperator *Node) {
834   OS << " " << (Node->isPostfix() ? "postfix" : "prefix") << " '"
835      << UnaryOperator::getOpcodeStr(Node->getOpcode()) << "'";
836   if (!Node->canOverflow())
837     OS << " cannot overflow";
838 }
839 
840 void TextNodeDumper::VisitUnaryExprOrTypeTraitExpr(
841     const UnaryExprOrTypeTraitExpr *Node) {
842   OS << " " << getTraitSpelling(Node->getKind());
843 
844   if (Node->isArgumentType())
845     dumpType(Node->getArgumentType());
846 }
847 
848 void TextNodeDumper::VisitMemberExpr(const MemberExpr *Node) {
849   OS << " " << (Node->isArrow() ? "->" : ".") << *Node->getMemberDecl();
850   dumpPointer(Node->getMemberDecl());
851   switch (Node->isNonOdrUse()) {
852   case NOUR_None: break;
853   case NOUR_Unevaluated: OS << " non_odr_use_unevaluated"; break;
854   case NOUR_Constant: OS << " non_odr_use_constant"; break;
855   case NOUR_Discarded: OS << " non_odr_use_discarded"; break;
856   }
857 }
858 
859 void TextNodeDumper::VisitExtVectorElementExpr(
860     const ExtVectorElementExpr *Node) {
861   OS << " " << Node->getAccessor().getNameStart();
862 }
863 
864 void TextNodeDumper::VisitBinaryOperator(const BinaryOperator *Node) {
865   OS << " '" << BinaryOperator::getOpcodeStr(Node->getOpcode()) << "'";
866 }
867 
868 void TextNodeDumper::VisitCompoundAssignOperator(
869     const CompoundAssignOperator *Node) {
870   OS << " '" << BinaryOperator::getOpcodeStr(Node->getOpcode())
871      << "' ComputeLHSTy=";
872   dumpBareType(Node->getComputationLHSType());
873   OS << " ComputeResultTy=";
874   dumpBareType(Node->getComputationResultType());
875 }
876 
877 void TextNodeDumper::VisitAddrLabelExpr(const AddrLabelExpr *Node) {
878   OS << " " << Node->getLabel()->getName();
879   dumpPointer(Node->getLabel());
880 }
881 
882 void TextNodeDumper::VisitCXXNamedCastExpr(const CXXNamedCastExpr *Node) {
883   OS << " " << Node->getCastName() << "<"
884      << Node->getTypeAsWritten().getAsString() << ">"
885      << " <" << Node->getCastKindName();
886   dumpBasePath(OS, Node);
887   OS << ">";
888 }
889 
890 void TextNodeDumper::VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *Node) {
891   OS << " " << (Node->getValue() ? "true" : "false");
892 }
893 
894 void TextNodeDumper::VisitCXXThisExpr(const CXXThisExpr *Node) {
895   if (Node->isImplicit())
896     OS << " implicit";
897   OS << " this";
898 }
899 
900 void TextNodeDumper::VisitCXXFunctionalCastExpr(
901     const CXXFunctionalCastExpr *Node) {
902   OS << " functional cast to " << Node->getTypeAsWritten().getAsString() << " <"
903      << Node->getCastKindName() << ">";
904 }
905 
906 void TextNodeDumper::VisitCXXUnresolvedConstructExpr(
907     const CXXUnresolvedConstructExpr *Node) {
908   dumpType(Node->getTypeAsWritten());
909   if (Node->isListInitialization())
910     OS << " list";
911 }
912 
913 void TextNodeDumper::VisitCXXConstructExpr(const CXXConstructExpr *Node) {
914   CXXConstructorDecl *Ctor = Node->getConstructor();
915   dumpType(Ctor->getType());
916   if (Node->isElidable())
917     OS << " elidable";
918   if (Node->isListInitialization())
919     OS << " list";
920   if (Node->isStdInitListInitialization())
921     OS << " std::initializer_list";
922   if (Node->requiresZeroInitialization())
923     OS << " zeroing";
924 }
925 
926 void TextNodeDumper::VisitCXXBindTemporaryExpr(
927     const CXXBindTemporaryExpr *Node) {
928   OS << " (CXXTemporary";
929   dumpPointer(Node);
930   OS << ")";
931 }
932 
933 void TextNodeDumper::VisitCXXNewExpr(const CXXNewExpr *Node) {
934   if (Node->isGlobalNew())
935     OS << " global";
936   if (Node->isArray())
937     OS << " array";
938   if (Node->getOperatorNew()) {
939     OS << ' ';
940     dumpBareDeclRef(Node->getOperatorNew());
941   }
942   // We could dump the deallocation function used in case of error, but it's
943   // usually not that interesting.
944 }
945 
946 void TextNodeDumper::VisitCXXDeleteExpr(const CXXDeleteExpr *Node) {
947   if (Node->isGlobalDelete())
948     OS << " global";
949   if (Node->isArrayForm())
950     OS << " array";
951   if (Node->getOperatorDelete()) {
952     OS << ' ';
953     dumpBareDeclRef(Node->getOperatorDelete());
954   }
955 }
956 
957 void TextNodeDumper::VisitTypeTraitExpr(const TypeTraitExpr *Node) {
958   OS << " " << getTraitSpelling(Node->getTrait());
959 }
960 
961 void TextNodeDumper::VisitArrayTypeTraitExpr(const ArrayTypeTraitExpr *Node) {
962   OS << " " << getTraitSpelling(Node->getTrait());
963 }
964 
965 void TextNodeDumper::VisitExpressionTraitExpr(const ExpressionTraitExpr *Node) {
966   OS << " " << getTraitSpelling(Node->getTrait());
967 }
968 
969 void TextNodeDumper::VisitMaterializeTemporaryExpr(
970     const MaterializeTemporaryExpr *Node) {
971   if (const ValueDecl *VD = Node->getExtendingDecl()) {
972     OS << " extended by ";
973     dumpBareDeclRef(VD);
974   }
975 }
976 
977 void TextNodeDumper::VisitExprWithCleanups(const ExprWithCleanups *Node) {
978   for (unsigned i = 0, e = Node->getNumObjects(); i != e; ++i)
979     dumpCleanupObject(Node->getObject(i));
980 }
981 
982 void TextNodeDumper::VisitSizeOfPackExpr(const SizeOfPackExpr *Node) {
983   dumpPointer(Node->getPack());
984   dumpName(Node->getPack());
985 }
986 
987 void TextNodeDumper::VisitCXXDependentScopeMemberExpr(
988     const CXXDependentScopeMemberExpr *Node) {
989   OS << " " << (Node->isArrow() ? "->" : ".") << Node->getMember();
990 }
991 
992 void TextNodeDumper::VisitObjCMessageExpr(const ObjCMessageExpr *Node) {
993   OS << " selector=";
994   Node->getSelector().print(OS);
995   switch (Node->getReceiverKind()) {
996   case ObjCMessageExpr::Instance:
997     break;
998 
999   case ObjCMessageExpr::Class:
1000     OS << " class=";
1001     dumpBareType(Node->getClassReceiver());
1002     break;
1003 
1004   case ObjCMessageExpr::SuperInstance:
1005     OS << " super (instance)";
1006     break;
1007 
1008   case ObjCMessageExpr::SuperClass:
1009     OS << " super (class)";
1010     break;
1011   }
1012 }
1013 
1014 void TextNodeDumper::VisitObjCBoxedExpr(const ObjCBoxedExpr *Node) {
1015   if (auto *BoxingMethod = Node->getBoxingMethod()) {
1016     OS << " selector=";
1017     BoxingMethod->getSelector().print(OS);
1018   }
1019 }
1020 
1021 void TextNodeDumper::VisitObjCAtCatchStmt(const ObjCAtCatchStmt *Node) {
1022   if (!Node->getCatchParamDecl())
1023     OS << " catch all";
1024 }
1025 
1026 void TextNodeDumper::VisitObjCEncodeExpr(const ObjCEncodeExpr *Node) {
1027   dumpType(Node->getEncodedType());
1028 }
1029 
1030 void TextNodeDumper::VisitObjCSelectorExpr(const ObjCSelectorExpr *Node) {
1031   OS << " ";
1032   Node->getSelector().print(OS);
1033 }
1034 
1035 void TextNodeDumper::VisitObjCProtocolExpr(const ObjCProtocolExpr *Node) {
1036   OS << ' ' << *Node->getProtocol();
1037 }
1038 
1039 void TextNodeDumper::VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr *Node) {
1040   if (Node->isImplicitProperty()) {
1041     OS << " Kind=MethodRef Getter=\"";
1042     if (Node->getImplicitPropertyGetter())
1043       Node->getImplicitPropertyGetter()->getSelector().print(OS);
1044     else
1045       OS << "(null)";
1046 
1047     OS << "\" Setter=\"";
1048     if (ObjCMethodDecl *Setter = Node->getImplicitPropertySetter())
1049       Setter->getSelector().print(OS);
1050     else
1051       OS << "(null)";
1052     OS << "\"";
1053   } else {
1054     OS << " Kind=PropertyRef Property=\"" << *Node->getExplicitProperty()
1055        << '"';
1056   }
1057 
1058   if (Node->isSuperReceiver())
1059     OS << " super";
1060 
1061   OS << " Messaging=";
1062   if (Node->isMessagingGetter() && Node->isMessagingSetter())
1063     OS << "Getter&Setter";
1064   else if (Node->isMessagingGetter())
1065     OS << "Getter";
1066   else if (Node->isMessagingSetter())
1067     OS << "Setter";
1068 }
1069 
1070 void TextNodeDumper::VisitObjCSubscriptRefExpr(
1071     const ObjCSubscriptRefExpr *Node) {
1072   if (Node->isArraySubscriptRefExpr())
1073     OS << " Kind=ArraySubscript GetterForArray=\"";
1074   else
1075     OS << " Kind=DictionarySubscript GetterForDictionary=\"";
1076   if (Node->getAtIndexMethodDecl())
1077     Node->getAtIndexMethodDecl()->getSelector().print(OS);
1078   else
1079     OS << "(null)";
1080 
1081   if (Node->isArraySubscriptRefExpr())
1082     OS << "\" SetterForArray=\"";
1083   else
1084     OS << "\" SetterForDictionary=\"";
1085   if (Node->setAtIndexMethodDecl())
1086     Node->setAtIndexMethodDecl()->getSelector().print(OS);
1087   else
1088     OS << "(null)";
1089 }
1090 
1091 void TextNodeDumper::VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr *Node) {
1092   OS << " " << (Node->getValue() ? "__objc_yes" : "__objc_no");
1093 }
1094 
1095 void TextNodeDumper::VisitOMPIteratorExpr(const OMPIteratorExpr *Node) {
1096   OS << " ";
1097   for (unsigned I = 0, E = Node->numOfIterators(); I < E; ++I) {
1098     Visit(Node->getIteratorDecl(I));
1099     OS << " = ";
1100     const OMPIteratorExpr::IteratorRange Range = Node->getIteratorRange(I);
1101     OS << " begin ";
1102     Visit(Range.Begin);
1103     OS << " end ";
1104     Visit(Range.End);
1105     if (Range.Step) {
1106       OS << " step ";
1107       Visit(Range.Step);
1108     }
1109   }
1110 }
1111 
1112 void TextNodeDumper::VisitRValueReferenceType(const ReferenceType *T) {
1113   if (T->isSpelledAsLValue())
1114     OS << " written as lvalue reference";
1115 }
1116 
1117 void TextNodeDumper::VisitArrayType(const ArrayType *T) {
1118   switch (T->getSizeModifier()) {
1119   case ArrayType::Normal:
1120     break;
1121   case ArrayType::Static:
1122     OS << " static";
1123     break;
1124   case ArrayType::Star:
1125     OS << " *";
1126     break;
1127   }
1128   OS << " " << T->getIndexTypeQualifiers().getAsString();
1129 }
1130 
1131 void TextNodeDumper::VisitConstantArrayType(const ConstantArrayType *T) {
1132   OS << " " << T->getSize();
1133   VisitArrayType(T);
1134 }
1135 
1136 void TextNodeDumper::VisitVariableArrayType(const VariableArrayType *T) {
1137   OS << " ";
1138   dumpSourceRange(T->getBracketsRange());
1139   VisitArrayType(T);
1140 }
1141 
1142 void TextNodeDumper::VisitDependentSizedArrayType(
1143     const DependentSizedArrayType *T) {
1144   VisitArrayType(T);
1145   OS << " ";
1146   dumpSourceRange(T->getBracketsRange());
1147 }
1148 
1149 void TextNodeDumper::VisitDependentSizedExtVectorType(
1150     const DependentSizedExtVectorType *T) {
1151   OS << " ";
1152   dumpLocation(T->getAttributeLoc());
1153 }
1154 
1155 void TextNodeDumper::VisitVectorType(const VectorType *T) {
1156   switch (T->getVectorKind()) {
1157   case VectorType::GenericVector:
1158     break;
1159   case VectorType::AltiVecVector:
1160     OS << " altivec";
1161     break;
1162   case VectorType::AltiVecPixel:
1163     OS << " altivec pixel";
1164     break;
1165   case VectorType::AltiVecBool:
1166     OS << " altivec bool";
1167     break;
1168   case VectorType::NeonVector:
1169     OS << " neon";
1170     break;
1171   case VectorType::NeonPolyVector:
1172     OS << " neon poly";
1173     break;
1174   }
1175   OS << " " << T->getNumElements();
1176 }
1177 
1178 void TextNodeDumper::VisitFunctionType(const FunctionType *T) {
1179   auto EI = T->getExtInfo();
1180   if (EI.getNoReturn())
1181     OS << " noreturn";
1182   if (EI.getProducesResult())
1183     OS << " produces_result";
1184   if (EI.getHasRegParm())
1185     OS << " regparm " << EI.getRegParm();
1186   OS << " " << FunctionType::getNameForCallConv(EI.getCC());
1187 }
1188 
1189 void TextNodeDumper::VisitFunctionProtoType(const FunctionProtoType *T) {
1190   auto EPI = T->getExtProtoInfo();
1191   if (EPI.HasTrailingReturn)
1192     OS << " trailing_return";
1193   if (T->isConst())
1194     OS << " const";
1195   if (T->isVolatile())
1196     OS << " volatile";
1197   if (T->isRestrict())
1198     OS << " restrict";
1199   if (T->getExtProtoInfo().Variadic)
1200     OS << " variadic";
1201   switch (EPI.RefQualifier) {
1202   case RQ_None:
1203     break;
1204   case RQ_LValue:
1205     OS << " &";
1206     break;
1207   case RQ_RValue:
1208     OS << " &&";
1209     break;
1210   }
1211   // FIXME: Exception specification.
1212   // FIXME: Consumed parameters.
1213   VisitFunctionType(T);
1214 }
1215 
1216 void TextNodeDumper::VisitUnresolvedUsingType(const UnresolvedUsingType *T) {
1217   dumpDeclRef(T->getDecl());
1218 }
1219 
1220 void TextNodeDumper::VisitTypedefType(const TypedefType *T) {
1221   dumpDeclRef(T->getDecl());
1222 }
1223 
1224 void TextNodeDumper::VisitUnaryTransformType(const UnaryTransformType *T) {
1225   switch (T->getUTTKind()) {
1226   case UnaryTransformType::EnumUnderlyingType:
1227     OS << " underlying_type";
1228     break;
1229   }
1230 }
1231 
1232 void TextNodeDumper::VisitTagType(const TagType *T) {
1233   dumpDeclRef(T->getDecl());
1234 }
1235 
1236 void TextNodeDumper::VisitTemplateTypeParmType(const TemplateTypeParmType *T) {
1237   OS << " depth " << T->getDepth() << " index " << T->getIndex();
1238   if (T->isParameterPack())
1239     OS << " pack";
1240   dumpDeclRef(T->getDecl());
1241 }
1242 
1243 void TextNodeDumper::VisitAutoType(const AutoType *T) {
1244   if (T->isDecltypeAuto())
1245     OS << " decltype(auto)";
1246   if (!T->isDeduced())
1247     OS << " undeduced";
1248   if (T->isConstrained()) {
1249     dumpDeclRef(T->getTypeConstraintConcept());
1250     for (const auto &Arg : T->getTypeConstraintArguments())
1251       VisitTemplateArgument(Arg);
1252   }
1253 }
1254 
1255 void TextNodeDumper::VisitTemplateSpecializationType(
1256     const TemplateSpecializationType *T) {
1257   if (T->isTypeAlias())
1258     OS << " alias";
1259   OS << " ";
1260   T->getTemplateName().dump(OS);
1261 }
1262 
1263 void TextNodeDumper::VisitInjectedClassNameType(
1264     const InjectedClassNameType *T) {
1265   dumpDeclRef(T->getDecl());
1266 }
1267 
1268 void TextNodeDumper::VisitObjCInterfaceType(const ObjCInterfaceType *T) {
1269   dumpDeclRef(T->getDecl());
1270 }
1271 
1272 void TextNodeDumper::VisitPackExpansionType(const PackExpansionType *T) {
1273   if (auto N = T->getNumExpansions())
1274     OS << " expansions " << *N;
1275 }
1276 
1277 void TextNodeDumper::VisitLabelDecl(const LabelDecl *D) { dumpName(D); }
1278 
1279 void TextNodeDumper::VisitTypedefDecl(const TypedefDecl *D) {
1280   dumpName(D);
1281   dumpType(D->getUnderlyingType());
1282   if (D->isModulePrivate())
1283     OS << " __module_private__";
1284 }
1285 
1286 void TextNodeDumper::VisitEnumDecl(const EnumDecl *D) {
1287   if (D->isScoped()) {
1288     if (D->isScopedUsingClassTag())
1289       OS << " class";
1290     else
1291       OS << " struct";
1292   }
1293   dumpName(D);
1294   if (D->isModulePrivate())
1295     OS << " __module_private__";
1296   if (D->isFixed())
1297     dumpType(D->getIntegerType());
1298 }
1299 
1300 void TextNodeDumper::VisitRecordDecl(const RecordDecl *D) {
1301   OS << ' ' << D->getKindName();
1302   dumpName(D);
1303   if (D->isModulePrivate())
1304     OS << " __module_private__";
1305   if (D->isCompleteDefinition())
1306     OS << " definition";
1307 }
1308 
1309 void TextNodeDumper::VisitEnumConstantDecl(const EnumConstantDecl *D) {
1310   dumpName(D);
1311   dumpType(D->getType());
1312 }
1313 
1314 void TextNodeDumper::VisitIndirectFieldDecl(const IndirectFieldDecl *D) {
1315   dumpName(D);
1316   dumpType(D->getType());
1317 
1318   for (const auto *Child : D->chain())
1319     dumpDeclRef(Child);
1320 }
1321 
1322 void TextNodeDumper::VisitFunctionDecl(const FunctionDecl *D) {
1323   dumpName(D);
1324   dumpType(D->getType());
1325 
1326   StorageClass SC = D->getStorageClass();
1327   if (SC != SC_None)
1328     OS << ' ' << VarDecl::getStorageClassSpecifierString(SC);
1329   if (D->isInlineSpecified())
1330     OS << " inline";
1331   if (D->isVirtualAsWritten())
1332     OS << " virtual";
1333   if (D->isModulePrivate())
1334     OS << " __module_private__";
1335 
1336   if (D->isPure())
1337     OS << " pure";
1338   if (D->isDefaulted()) {
1339     OS << " default";
1340     if (D->isDeleted())
1341       OS << "_delete";
1342   }
1343   if (D->isDeletedAsWritten())
1344     OS << " delete";
1345   if (D->isTrivial())
1346     OS << " trivial";
1347 
1348   if (const auto *FPT = D->getType()->getAs<FunctionProtoType>()) {
1349     FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo();
1350     switch (EPI.ExceptionSpec.Type) {
1351     default:
1352       break;
1353     case EST_Unevaluated:
1354       OS << " noexcept-unevaluated " << EPI.ExceptionSpec.SourceDecl;
1355       break;
1356     case EST_Uninstantiated:
1357       OS << " noexcept-uninstantiated " << EPI.ExceptionSpec.SourceTemplate;
1358       break;
1359     }
1360   }
1361 
1362   if (const auto *MD = dyn_cast<CXXMethodDecl>(D)) {
1363     if (MD->size_overridden_methods() != 0) {
1364       auto dumpOverride = [=](const CXXMethodDecl *D) {
1365         SplitQualType T_split = D->getType().split();
1366         OS << D << " " << D->getParent()->getName()
1367            << "::" << D->getNameAsString() << " '"
1368            << QualType::getAsString(T_split, PrintPolicy) << "'";
1369       };
1370 
1371       AddChild([=] {
1372         auto Overrides = MD->overridden_methods();
1373         OS << "Overrides: [ ";
1374         dumpOverride(*Overrides.begin());
1375         for (const auto *Override :
1376              llvm::make_range(Overrides.begin() + 1, Overrides.end())) {
1377           OS << ", ";
1378           dumpOverride(Override);
1379         }
1380         OS << " ]";
1381       });
1382     }
1383   }
1384 
1385   // Since NumParams comes from the FunctionProtoType of the FunctionDecl and
1386   // the Params are set later, it is possible for a dump during debugging to
1387   // encounter a FunctionDecl that has been created but hasn't been assigned
1388   // ParmVarDecls yet.
1389   if (!D->param_empty() && !D->param_begin())
1390     OS << " <<<NULL params x " << D->getNumParams() << ">>>";
1391 }
1392 
1393 void TextNodeDumper::VisitLifetimeExtendedTemporaryDecl(
1394     const LifetimeExtendedTemporaryDecl *D) {
1395   OS << " extended by ";
1396   dumpBareDeclRef(D->getExtendingDecl());
1397   OS << " mangling ";
1398   {
1399     ColorScope Color(OS, ShowColors, ValueColor);
1400     OS << D->getManglingNumber();
1401   }
1402 }
1403 
1404 void TextNodeDumper::VisitFieldDecl(const FieldDecl *D) {
1405   dumpName(D);
1406   dumpType(D->getType());
1407   if (D->isMutable())
1408     OS << " mutable";
1409   if (D->isModulePrivate())
1410     OS << " __module_private__";
1411 }
1412 
1413 void TextNodeDumper::VisitVarDecl(const VarDecl *D) {
1414   dumpName(D);
1415   dumpType(D->getType());
1416   StorageClass SC = D->getStorageClass();
1417   if (SC != SC_None)
1418     OS << ' ' << VarDecl::getStorageClassSpecifierString(SC);
1419   switch (D->getTLSKind()) {
1420   case VarDecl::TLS_None:
1421     break;
1422   case VarDecl::TLS_Static:
1423     OS << " tls";
1424     break;
1425   case VarDecl::TLS_Dynamic:
1426     OS << " tls_dynamic";
1427     break;
1428   }
1429   if (D->isModulePrivate())
1430     OS << " __module_private__";
1431   if (D->isNRVOVariable())
1432     OS << " nrvo";
1433   if (D->isInline())
1434     OS << " inline";
1435   if (D->isConstexpr())
1436     OS << " constexpr";
1437   if (D->hasInit()) {
1438     switch (D->getInitStyle()) {
1439     case VarDecl::CInit:
1440       OS << " cinit";
1441       break;
1442     case VarDecl::CallInit:
1443       OS << " callinit";
1444       break;
1445     case VarDecl::ListInit:
1446       OS << " listinit";
1447       break;
1448     }
1449   }
1450   if (D->needsDestruction(D->getASTContext()))
1451     OS << " destroyed";
1452   if (D->isParameterPack())
1453     OS << " pack";
1454 }
1455 
1456 void TextNodeDumper::VisitBindingDecl(const BindingDecl *D) {
1457   dumpName(D);
1458   dumpType(D->getType());
1459 }
1460 
1461 void TextNodeDumper::VisitCapturedDecl(const CapturedDecl *D) {
1462   if (D->isNothrow())
1463     OS << " nothrow";
1464 }
1465 
1466 void TextNodeDumper::VisitImportDecl(const ImportDecl *D) {
1467   OS << ' ' << D->getImportedModule()->getFullModuleName();
1468 
1469   for (Decl *InitD :
1470        D->getASTContext().getModuleInitializers(D->getImportedModule()))
1471     dumpDeclRef(InitD, "initializer");
1472 }
1473 
1474 void TextNodeDumper::VisitPragmaCommentDecl(const PragmaCommentDecl *D) {
1475   OS << ' ';
1476   switch (D->getCommentKind()) {
1477   case PCK_Unknown:
1478     llvm_unreachable("unexpected pragma comment kind");
1479   case PCK_Compiler:
1480     OS << "compiler";
1481     break;
1482   case PCK_ExeStr:
1483     OS << "exestr";
1484     break;
1485   case PCK_Lib:
1486     OS << "lib";
1487     break;
1488   case PCK_Linker:
1489     OS << "linker";
1490     break;
1491   case PCK_User:
1492     OS << "user";
1493     break;
1494   }
1495   StringRef Arg = D->getArg();
1496   if (!Arg.empty())
1497     OS << " \"" << Arg << "\"";
1498 }
1499 
1500 void TextNodeDumper::VisitPragmaDetectMismatchDecl(
1501     const PragmaDetectMismatchDecl *D) {
1502   OS << " \"" << D->getName() << "\" \"" << D->getValue() << "\"";
1503 }
1504 
1505 void TextNodeDumper::VisitOMPExecutableDirective(
1506     const OMPExecutableDirective *D) {
1507   if (D->isStandaloneDirective())
1508     OS << " openmp_standalone_directive";
1509 }
1510 
1511 void TextNodeDumper::VisitOMPDeclareReductionDecl(
1512     const OMPDeclareReductionDecl *D) {
1513   dumpName(D);
1514   dumpType(D->getType());
1515   OS << " combiner";
1516   dumpPointer(D->getCombiner());
1517   if (const auto *Initializer = D->getInitializer()) {
1518     OS << " initializer";
1519     dumpPointer(Initializer);
1520     switch (D->getInitializerKind()) {
1521     case OMPDeclareReductionDecl::DirectInit:
1522       OS << " omp_priv = ";
1523       break;
1524     case OMPDeclareReductionDecl::CopyInit:
1525       OS << " omp_priv ()";
1526       break;
1527     case OMPDeclareReductionDecl::CallInit:
1528       break;
1529     }
1530   }
1531 }
1532 
1533 void TextNodeDumper::VisitOMPRequiresDecl(const OMPRequiresDecl *D) {
1534   for (const auto *C : D->clauselists()) {
1535     AddChild([=] {
1536       if (!C) {
1537         ColorScope Color(OS, ShowColors, NullColor);
1538         OS << "<<<NULL>>> OMPClause";
1539         return;
1540       }
1541       {
1542         ColorScope Color(OS, ShowColors, AttrColor);
1543         StringRef ClauseName(
1544             llvm::omp::getOpenMPClauseName(C->getClauseKind()));
1545         OS << "OMP" << ClauseName.substr(/*Start=*/0, /*N=*/1).upper()
1546            << ClauseName.drop_front() << "Clause";
1547       }
1548       dumpPointer(C);
1549       dumpSourceRange(SourceRange(C->getBeginLoc(), C->getEndLoc()));
1550     });
1551   }
1552 }
1553 
1554 void TextNodeDumper::VisitOMPCapturedExprDecl(const OMPCapturedExprDecl *D) {
1555   dumpName(D);
1556   dumpType(D->getType());
1557 }
1558 
1559 void TextNodeDumper::VisitNamespaceDecl(const NamespaceDecl *D) {
1560   dumpName(D);
1561   if (D->isInline())
1562     OS << " inline";
1563   if (!D->isOriginalNamespace())
1564     dumpDeclRef(D->getOriginalNamespace(), "original");
1565 }
1566 
1567 void TextNodeDumper::VisitUsingDirectiveDecl(const UsingDirectiveDecl *D) {
1568   OS << ' ';
1569   dumpBareDeclRef(D->getNominatedNamespace());
1570 }
1571 
1572 void TextNodeDumper::VisitNamespaceAliasDecl(const NamespaceAliasDecl *D) {
1573   dumpName(D);
1574   dumpDeclRef(D->getAliasedNamespace());
1575 }
1576 
1577 void TextNodeDumper::VisitTypeAliasDecl(const TypeAliasDecl *D) {
1578   dumpName(D);
1579   dumpType(D->getUnderlyingType());
1580 }
1581 
1582 void TextNodeDumper::VisitTypeAliasTemplateDecl(
1583     const TypeAliasTemplateDecl *D) {
1584   dumpName(D);
1585 }
1586 
1587 void TextNodeDumper::VisitCXXRecordDecl(const CXXRecordDecl *D) {
1588   VisitRecordDecl(D);
1589   if (!D->isCompleteDefinition())
1590     return;
1591 
1592   AddChild([=] {
1593     {
1594       ColorScope Color(OS, ShowColors, DeclKindNameColor);
1595       OS << "DefinitionData";
1596     }
1597 #define FLAG(fn, name)                                                         \
1598   if (D->fn())                                                                 \
1599     OS << " " #name;
1600     FLAG(isParsingBaseSpecifiers, parsing_base_specifiers);
1601 
1602     FLAG(isGenericLambda, generic);
1603     FLAG(isLambda, lambda);
1604 
1605     FLAG(isAnonymousStructOrUnion, is_anonymous);
1606     FLAG(canPassInRegisters, pass_in_registers);
1607     FLAG(isEmpty, empty);
1608     FLAG(isAggregate, aggregate);
1609     FLAG(isStandardLayout, standard_layout);
1610     FLAG(isTriviallyCopyable, trivially_copyable);
1611     FLAG(isPOD, pod);
1612     FLAG(isTrivial, trivial);
1613     FLAG(isPolymorphic, polymorphic);
1614     FLAG(isAbstract, abstract);
1615     FLAG(isLiteral, literal);
1616 
1617     FLAG(hasUserDeclaredConstructor, has_user_declared_ctor);
1618     FLAG(hasConstexprNonCopyMoveConstructor, has_constexpr_non_copy_move_ctor);
1619     FLAG(hasMutableFields, has_mutable_fields);
1620     FLAG(hasVariantMembers, has_variant_members);
1621     FLAG(allowConstDefaultInit, can_const_default_init);
1622 
1623     AddChild([=] {
1624       {
1625         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1626         OS << "DefaultConstructor";
1627       }
1628       FLAG(hasDefaultConstructor, exists);
1629       FLAG(hasTrivialDefaultConstructor, trivial);
1630       FLAG(hasNonTrivialDefaultConstructor, non_trivial);
1631       FLAG(hasUserProvidedDefaultConstructor, user_provided);
1632       FLAG(hasConstexprDefaultConstructor, constexpr);
1633       FLAG(needsImplicitDefaultConstructor, needs_implicit);
1634       FLAG(defaultedDefaultConstructorIsConstexpr, defaulted_is_constexpr);
1635     });
1636 
1637     AddChild([=] {
1638       {
1639         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1640         OS << "CopyConstructor";
1641       }
1642       FLAG(hasSimpleCopyConstructor, simple);
1643       FLAG(hasTrivialCopyConstructor, trivial);
1644       FLAG(hasNonTrivialCopyConstructor, non_trivial);
1645       FLAG(hasUserDeclaredCopyConstructor, user_declared);
1646       FLAG(hasCopyConstructorWithConstParam, has_const_param);
1647       FLAG(needsImplicitCopyConstructor, needs_implicit);
1648       FLAG(needsOverloadResolutionForCopyConstructor,
1649            needs_overload_resolution);
1650       if (!D->needsOverloadResolutionForCopyConstructor())
1651         FLAG(defaultedCopyConstructorIsDeleted, defaulted_is_deleted);
1652       FLAG(implicitCopyConstructorHasConstParam, implicit_has_const_param);
1653     });
1654 
1655     AddChild([=] {
1656       {
1657         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1658         OS << "MoveConstructor";
1659       }
1660       FLAG(hasMoveConstructor, exists);
1661       FLAG(hasSimpleMoveConstructor, simple);
1662       FLAG(hasTrivialMoveConstructor, trivial);
1663       FLAG(hasNonTrivialMoveConstructor, non_trivial);
1664       FLAG(hasUserDeclaredMoveConstructor, user_declared);
1665       FLAG(needsImplicitMoveConstructor, needs_implicit);
1666       FLAG(needsOverloadResolutionForMoveConstructor,
1667            needs_overload_resolution);
1668       if (!D->needsOverloadResolutionForMoveConstructor())
1669         FLAG(defaultedMoveConstructorIsDeleted, defaulted_is_deleted);
1670     });
1671 
1672     AddChild([=] {
1673       {
1674         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1675         OS << "CopyAssignment";
1676       }
1677       FLAG(hasSimpleCopyAssignment, simple);
1678       FLAG(hasTrivialCopyAssignment, trivial);
1679       FLAG(hasNonTrivialCopyAssignment, non_trivial);
1680       FLAG(hasCopyAssignmentWithConstParam, has_const_param);
1681       FLAG(hasUserDeclaredCopyAssignment, user_declared);
1682       FLAG(needsImplicitCopyAssignment, needs_implicit);
1683       FLAG(needsOverloadResolutionForCopyAssignment, needs_overload_resolution);
1684       FLAG(implicitCopyAssignmentHasConstParam, implicit_has_const_param);
1685     });
1686 
1687     AddChild([=] {
1688       {
1689         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1690         OS << "MoveAssignment";
1691       }
1692       FLAG(hasMoveAssignment, exists);
1693       FLAG(hasSimpleMoveAssignment, simple);
1694       FLAG(hasTrivialMoveAssignment, trivial);
1695       FLAG(hasNonTrivialMoveAssignment, non_trivial);
1696       FLAG(hasUserDeclaredMoveAssignment, user_declared);
1697       FLAG(needsImplicitMoveAssignment, needs_implicit);
1698       FLAG(needsOverloadResolutionForMoveAssignment, needs_overload_resolution);
1699     });
1700 
1701     AddChild([=] {
1702       {
1703         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1704         OS << "Destructor";
1705       }
1706       FLAG(hasSimpleDestructor, simple);
1707       FLAG(hasIrrelevantDestructor, irrelevant);
1708       FLAG(hasTrivialDestructor, trivial);
1709       FLAG(hasNonTrivialDestructor, non_trivial);
1710       FLAG(hasUserDeclaredDestructor, user_declared);
1711       FLAG(hasConstexprDestructor, constexpr);
1712       FLAG(needsImplicitDestructor, needs_implicit);
1713       FLAG(needsOverloadResolutionForDestructor, needs_overload_resolution);
1714       if (!D->needsOverloadResolutionForDestructor())
1715         FLAG(defaultedDestructorIsDeleted, defaulted_is_deleted);
1716     });
1717   });
1718 
1719   for (const auto &I : D->bases()) {
1720     AddChild([=] {
1721       if (I.isVirtual())
1722         OS << "virtual ";
1723       dumpAccessSpecifier(I.getAccessSpecifier());
1724       dumpType(I.getType());
1725       if (I.isPackExpansion())
1726         OS << "...";
1727     });
1728   }
1729 }
1730 
1731 void TextNodeDumper::VisitFunctionTemplateDecl(const FunctionTemplateDecl *D) {
1732   dumpName(D);
1733 }
1734 
1735 void TextNodeDumper::VisitClassTemplateDecl(const ClassTemplateDecl *D) {
1736   dumpName(D);
1737 }
1738 
1739 void TextNodeDumper::VisitVarTemplateDecl(const VarTemplateDecl *D) {
1740   dumpName(D);
1741 }
1742 
1743 void TextNodeDumper::VisitBuiltinTemplateDecl(const BuiltinTemplateDecl *D) {
1744   dumpName(D);
1745 }
1746 
1747 void TextNodeDumper::VisitTemplateTypeParmDecl(const TemplateTypeParmDecl *D) {
1748   if (const auto *TC = D->getTypeConstraint()) {
1749     OS << " ";
1750     dumpBareDeclRef(TC->getNamedConcept());
1751     if (TC->getNamedConcept() != TC->getFoundDecl()) {
1752       OS << " (";
1753       dumpBareDeclRef(TC->getFoundDecl());
1754       OS << ")";
1755     }
1756     Visit(TC->getImmediatelyDeclaredConstraint());
1757   } else if (D->wasDeclaredWithTypename())
1758     OS << " typename";
1759   else
1760     OS << " class";
1761   OS << " depth " << D->getDepth() << " index " << D->getIndex();
1762   if (D->isParameterPack())
1763     OS << " ...";
1764   dumpName(D);
1765 }
1766 
1767 void TextNodeDumper::VisitNonTypeTemplateParmDecl(
1768     const NonTypeTemplateParmDecl *D) {
1769   dumpType(D->getType());
1770   OS << " depth " << D->getDepth() << " index " << D->getIndex();
1771   if (D->isParameterPack())
1772     OS << " ...";
1773   dumpName(D);
1774 }
1775 
1776 void TextNodeDumper::VisitTemplateTemplateParmDecl(
1777     const TemplateTemplateParmDecl *D) {
1778   OS << " depth " << D->getDepth() << " index " << D->getIndex();
1779   if (D->isParameterPack())
1780     OS << " ...";
1781   dumpName(D);
1782 }
1783 
1784 void TextNodeDumper::VisitUsingDecl(const UsingDecl *D) {
1785   OS << ' ';
1786   if (D->getQualifier())
1787     D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
1788   OS << D->getNameAsString();
1789 }
1790 
1791 void TextNodeDumper::VisitUnresolvedUsingTypenameDecl(
1792     const UnresolvedUsingTypenameDecl *D) {
1793   OS << ' ';
1794   if (D->getQualifier())
1795     D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
1796   OS << D->getNameAsString();
1797 }
1798 
1799 void TextNodeDumper::VisitUnresolvedUsingValueDecl(
1800     const UnresolvedUsingValueDecl *D) {
1801   OS << ' ';
1802   if (D->getQualifier())
1803     D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
1804   OS << D->getNameAsString();
1805   dumpType(D->getType());
1806 }
1807 
1808 void TextNodeDumper::VisitUsingShadowDecl(const UsingShadowDecl *D) {
1809   OS << ' ';
1810   dumpBareDeclRef(D->getTargetDecl());
1811 }
1812 
1813 void TextNodeDumper::VisitConstructorUsingShadowDecl(
1814     const ConstructorUsingShadowDecl *D) {
1815   if (D->constructsVirtualBase())
1816     OS << " virtual";
1817 
1818   AddChild([=] {
1819     OS << "target ";
1820     dumpBareDeclRef(D->getTargetDecl());
1821   });
1822 
1823   AddChild([=] {
1824     OS << "nominated ";
1825     dumpBareDeclRef(D->getNominatedBaseClass());
1826     OS << ' ';
1827     dumpBareDeclRef(D->getNominatedBaseClassShadowDecl());
1828   });
1829 
1830   AddChild([=] {
1831     OS << "constructed ";
1832     dumpBareDeclRef(D->getConstructedBaseClass());
1833     OS << ' ';
1834     dumpBareDeclRef(D->getConstructedBaseClassShadowDecl());
1835   });
1836 }
1837 
1838 void TextNodeDumper::VisitLinkageSpecDecl(const LinkageSpecDecl *D) {
1839   switch (D->getLanguage()) {
1840   case LinkageSpecDecl::lang_c:
1841     OS << " C";
1842     break;
1843   case LinkageSpecDecl::lang_cxx:
1844     OS << " C++";
1845     break;
1846   }
1847 }
1848 
1849 void TextNodeDumper::VisitAccessSpecDecl(const AccessSpecDecl *D) {
1850   OS << ' ';
1851   dumpAccessSpecifier(D->getAccess());
1852 }
1853 
1854 void TextNodeDumper::VisitFriendDecl(const FriendDecl *D) {
1855   if (TypeSourceInfo *T = D->getFriendType())
1856     dumpType(T->getType());
1857 }
1858 
1859 void TextNodeDumper::VisitObjCIvarDecl(const ObjCIvarDecl *D) {
1860   dumpName(D);
1861   dumpType(D->getType());
1862   if (D->getSynthesize())
1863     OS << " synthesize";
1864 
1865   switch (D->getAccessControl()) {
1866   case ObjCIvarDecl::None:
1867     OS << " none";
1868     break;
1869   case ObjCIvarDecl::Private:
1870     OS << " private";
1871     break;
1872   case ObjCIvarDecl::Protected:
1873     OS << " protected";
1874     break;
1875   case ObjCIvarDecl::Public:
1876     OS << " public";
1877     break;
1878   case ObjCIvarDecl::Package:
1879     OS << " package";
1880     break;
1881   }
1882 }
1883 
1884 void TextNodeDumper::VisitObjCMethodDecl(const ObjCMethodDecl *D) {
1885   if (D->isInstanceMethod())
1886     OS << " -";
1887   else
1888     OS << " +";
1889   dumpName(D);
1890   dumpType(D->getReturnType());
1891 
1892   if (D->isVariadic())
1893     OS << " variadic";
1894 }
1895 
1896 void TextNodeDumper::VisitObjCTypeParamDecl(const ObjCTypeParamDecl *D) {
1897   dumpName(D);
1898   switch (D->getVariance()) {
1899   case ObjCTypeParamVariance::Invariant:
1900     break;
1901 
1902   case ObjCTypeParamVariance::Covariant:
1903     OS << " covariant";
1904     break;
1905 
1906   case ObjCTypeParamVariance::Contravariant:
1907     OS << " contravariant";
1908     break;
1909   }
1910 
1911   if (D->hasExplicitBound())
1912     OS << " bounded";
1913   dumpType(D->getUnderlyingType());
1914 }
1915 
1916 void TextNodeDumper::VisitObjCCategoryDecl(const ObjCCategoryDecl *D) {
1917   dumpName(D);
1918   dumpDeclRef(D->getClassInterface());
1919   dumpDeclRef(D->getImplementation());
1920   for (const auto *P : D->protocols())
1921     dumpDeclRef(P);
1922 }
1923 
1924 void TextNodeDumper::VisitObjCCategoryImplDecl(const ObjCCategoryImplDecl *D) {
1925   dumpName(D);
1926   dumpDeclRef(D->getClassInterface());
1927   dumpDeclRef(D->getCategoryDecl());
1928 }
1929 
1930 void TextNodeDumper::VisitObjCProtocolDecl(const ObjCProtocolDecl *D) {
1931   dumpName(D);
1932 
1933   for (const auto *Child : D->protocols())
1934     dumpDeclRef(Child);
1935 }
1936 
1937 void TextNodeDumper::VisitObjCInterfaceDecl(const ObjCInterfaceDecl *D) {
1938   dumpName(D);
1939   dumpDeclRef(D->getSuperClass(), "super");
1940 
1941   dumpDeclRef(D->getImplementation());
1942   for (const auto *Child : D->protocols())
1943     dumpDeclRef(Child);
1944 }
1945 
1946 void TextNodeDumper::VisitObjCImplementationDecl(
1947     const ObjCImplementationDecl *D) {
1948   dumpName(D);
1949   dumpDeclRef(D->getSuperClass(), "super");
1950   dumpDeclRef(D->getClassInterface());
1951 }
1952 
1953 void TextNodeDumper::VisitObjCCompatibleAliasDecl(
1954     const ObjCCompatibleAliasDecl *D) {
1955   dumpName(D);
1956   dumpDeclRef(D->getClassInterface());
1957 }
1958 
1959 void TextNodeDumper::VisitObjCPropertyDecl(const ObjCPropertyDecl *D) {
1960   dumpName(D);
1961   dumpType(D->getType());
1962 
1963   if (D->getPropertyImplementation() == ObjCPropertyDecl::Required)
1964     OS << " required";
1965   else if (D->getPropertyImplementation() == ObjCPropertyDecl::Optional)
1966     OS << " optional";
1967 
1968   ObjCPropertyAttribute::Kind Attrs = D->getPropertyAttributes();
1969   if (Attrs != ObjCPropertyAttribute::kind_noattr) {
1970     if (Attrs & ObjCPropertyAttribute::kind_readonly)
1971       OS << " readonly";
1972     if (Attrs & ObjCPropertyAttribute::kind_assign)
1973       OS << " assign";
1974     if (Attrs & ObjCPropertyAttribute::kind_readwrite)
1975       OS << " readwrite";
1976     if (Attrs & ObjCPropertyAttribute::kind_retain)
1977       OS << " retain";
1978     if (Attrs & ObjCPropertyAttribute::kind_copy)
1979       OS << " copy";
1980     if (Attrs & ObjCPropertyAttribute::kind_nonatomic)
1981       OS << " nonatomic";
1982     if (Attrs & ObjCPropertyAttribute::kind_atomic)
1983       OS << " atomic";
1984     if (Attrs & ObjCPropertyAttribute::kind_weak)
1985       OS << " weak";
1986     if (Attrs & ObjCPropertyAttribute::kind_strong)
1987       OS << " strong";
1988     if (Attrs & ObjCPropertyAttribute::kind_unsafe_unretained)
1989       OS << " unsafe_unretained";
1990     if (Attrs & ObjCPropertyAttribute::kind_class)
1991       OS << " class";
1992     if (Attrs & ObjCPropertyAttribute::kind_direct)
1993       OS << " direct";
1994     if (Attrs & ObjCPropertyAttribute::kind_getter)
1995       dumpDeclRef(D->getGetterMethodDecl(), "getter");
1996     if (Attrs & ObjCPropertyAttribute::kind_setter)
1997       dumpDeclRef(D->getSetterMethodDecl(), "setter");
1998   }
1999 }
2000 
2001 void TextNodeDumper::VisitObjCPropertyImplDecl(const ObjCPropertyImplDecl *D) {
2002   dumpName(D->getPropertyDecl());
2003   if (D->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize)
2004     OS << " synthesize";
2005   else
2006     OS << " dynamic";
2007   dumpDeclRef(D->getPropertyDecl());
2008   dumpDeclRef(D->getPropertyIvarDecl());
2009 }
2010 
2011 void TextNodeDumper::VisitBlockDecl(const BlockDecl *D) {
2012   if (D->isVariadic())
2013     OS << " variadic";
2014 
2015   if (D->capturesCXXThis())
2016     OS << " captures_this";
2017 }
2018 
2019 void TextNodeDumper::VisitConceptDecl(const ConceptDecl *D) {
2020   dumpName(D);
2021 }
2022