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