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(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::VisitRValueReferenceType(const ReferenceType *T) {
1090   if (T->isSpelledAsLValue())
1091     OS << " written as lvalue reference";
1092 }
1093 
1094 void TextNodeDumper::VisitArrayType(const ArrayType *T) {
1095   switch (T->getSizeModifier()) {
1096   case ArrayType::Normal:
1097     break;
1098   case ArrayType::Static:
1099     OS << " static";
1100     break;
1101   case ArrayType::Star:
1102     OS << " *";
1103     break;
1104   }
1105   OS << " " << T->getIndexTypeQualifiers().getAsString();
1106 }
1107 
1108 void TextNodeDumper::VisitConstantArrayType(const ConstantArrayType *T) {
1109   OS << " " << T->getSize();
1110   VisitArrayType(T);
1111 }
1112 
1113 void TextNodeDumper::VisitVariableArrayType(const VariableArrayType *T) {
1114   OS << " ";
1115   dumpSourceRange(T->getBracketsRange());
1116   VisitArrayType(T);
1117 }
1118 
1119 void TextNodeDumper::VisitDependentSizedArrayType(
1120     const DependentSizedArrayType *T) {
1121   VisitArrayType(T);
1122   OS << " ";
1123   dumpSourceRange(T->getBracketsRange());
1124 }
1125 
1126 void TextNodeDumper::VisitDependentSizedExtVectorType(
1127     const DependentSizedExtVectorType *T) {
1128   OS << " ";
1129   dumpLocation(T->getAttributeLoc());
1130 }
1131 
1132 void TextNodeDumper::VisitVectorType(const VectorType *T) {
1133   switch (T->getVectorKind()) {
1134   case VectorType::GenericVector:
1135     break;
1136   case VectorType::AltiVecVector:
1137     OS << " altivec";
1138     break;
1139   case VectorType::AltiVecPixel:
1140     OS << " altivec pixel";
1141     break;
1142   case VectorType::AltiVecBool:
1143     OS << " altivec bool";
1144     break;
1145   case VectorType::NeonVector:
1146     OS << " neon";
1147     break;
1148   case VectorType::NeonPolyVector:
1149     OS << " neon poly";
1150     break;
1151   }
1152   OS << " " << T->getNumElements();
1153 }
1154 
1155 void TextNodeDumper::VisitFunctionType(const FunctionType *T) {
1156   auto EI = T->getExtInfo();
1157   if (EI.getNoReturn())
1158     OS << " noreturn";
1159   if (EI.getProducesResult())
1160     OS << " produces_result";
1161   if (EI.getHasRegParm())
1162     OS << " regparm " << EI.getRegParm();
1163   OS << " " << FunctionType::getNameForCallConv(EI.getCC());
1164 }
1165 
1166 void TextNodeDumper::VisitFunctionProtoType(const FunctionProtoType *T) {
1167   auto EPI = T->getExtProtoInfo();
1168   if (EPI.HasTrailingReturn)
1169     OS << " trailing_return";
1170   if (T->isConst())
1171     OS << " const";
1172   if (T->isVolatile())
1173     OS << " volatile";
1174   if (T->isRestrict())
1175     OS << " restrict";
1176   if (T->getExtProtoInfo().Variadic)
1177     OS << " variadic";
1178   switch (EPI.RefQualifier) {
1179   case RQ_None:
1180     break;
1181   case RQ_LValue:
1182     OS << " &";
1183     break;
1184   case RQ_RValue:
1185     OS << " &&";
1186     break;
1187   }
1188   // FIXME: Exception specification.
1189   // FIXME: Consumed parameters.
1190   VisitFunctionType(T);
1191 }
1192 
1193 void TextNodeDumper::VisitUnresolvedUsingType(const UnresolvedUsingType *T) {
1194   dumpDeclRef(T->getDecl());
1195 }
1196 
1197 void TextNodeDumper::VisitTypedefType(const TypedefType *T) {
1198   dumpDeclRef(T->getDecl());
1199 }
1200 
1201 void TextNodeDumper::VisitUnaryTransformType(const UnaryTransformType *T) {
1202   switch (T->getUTTKind()) {
1203   case UnaryTransformType::EnumUnderlyingType:
1204     OS << " underlying_type";
1205     break;
1206   }
1207 }
1208 
1209 void TextNodeDumper::VisitTagType(const TagType *T) {
1210   dumpDeclRef(T->getDecl());
1211 }
1212 
1213 void TextNodeDumper::VisitTemplateTypeParmType(const TemplateTypeParmType *T) {
1214   OS << " depth " << T->getDepth() << " index " << T->getIndex();
1215   if (T->isParameterPack())
1216     OS << " pack";
1217   dumpDeclRef(T->getDecl());
1218 }
1219 
1220 void TextNodeDumper::VisitAutoType(const AutoType *T) {
1221   if (T->isDecltypeAuto())
1222     OS << " decltype(auto)";
1223   if (!T->isDeduced())
1224     OS << " undeduced";
1225   if (T->isConstrained()) {
1226     dumpDeclRef(T->getTypeConstraintConcept());
1227     for (const auto &Arg : T->getTypeConstraintArguments())
1228       VisitTemplateArgument(Arg);
1229   }
1230 }
1231 
1232 void TextNodeDumper::VisitTemplateSpecializationType(
1233     const TemplateSpecializationType *T) {
1234   if (T->isTypeAlias())
1235     OS << " alias";
1236   OS << " ";
1237   T->getTemplateName().dump(OS);
1238 }
1239 
1240 void TextNodeDumper::VisitInjectedClassNameType(
1241     const InjectedClassNameType *T) {
1242   dumpDeclRef(T->getDecl());
1243 }
1244 
1245 void TextNodeDumper::VisitObjCInterfaceType(const ObjCInterfaceType *T) {
1246   dumpDeclRef(T->getDecl());
1247 }
1248 
1249 void TextNodeDumper::VisitPackExpansionType(const PackExpansionType *T) {
1250   if (auto N = T->getNumExpansions())
1251     OS << " expansions " << *N;
1252 }
1253 
1254 void TextNodeDumper::VisitLabelDecl(const LabelDecl *D) { dumpName(D); }
1255 
1256 void TextNodeDumper::VisitTypedefDecl(const TypedefDecl *D) {
1257   dumpName(D);
1258   dumpType(D->getUnderlyingType());
1259   if (D->isModulePrivate())
1260     OS << " __module_private__";
1261 }
1262 
1263 void TextNodeDumper::VisitEnumDecl(const EnumDecl *D) {
1264   if (D->isScoped()) {
1265     if (D->isScopedUsingClassTag())
1266       OS << " class";
1267     else
1268       OS << " struct";
1269   }
1270   dumpName(D);
1271   if (D->isModulePrivate())
1272     OS << " __module_private__";
1273   if (D->isFixed())
1274     dumpType(D->getIntegerType());
1275 }
1276 
1277 void TextNodeDumper::VisitRecordDecl(const RecordDecl *D) {
1278   OS << ' ' << D->getKindName();
1279   dumpName(D);
1280   if (D->isModulePrivate())
1281     OS << " __module_private__";
1282   if (D->isCompleteDefinition())
1283     OS << " definition";
1284 }
1285 
1286 void TextNodeDumper::VisitEnumConstantDecl(const EnumConstantDecl *D) {
1287   dumpName(D);
1288   dumpType(D->getType());
1289 }
1290 
1291 void TextNodeDumper::VisitIndirectFieldDecl(const IndirectFieldDecl *D) {
1292   dumpName(D);
1293   dumpType(D->getType());
1294 
1295   for (const auto *Child : D->chain())
1296     dumpDeclRef(Child);
1297 }
1298 
1299 void TextNodeDumper::VisitFunctionDecl(const FunctionDecl *D) {
1300   dumpName(D);
1301   dumpType(D->getType());
1302 
1303   StorageClass SC = D->getStorageClass();
1304   if (SC != SC_None)
1305     OS << ' ' << VarDecl::getStorageClassSpecifierString(SC);
1306   if (D->isInlineSpecified())
1307     OS << " inline";
1308   if (D->isVirtualAsWritten())
1309     OS << " virtual";
1310   if (D->isModulePrivate())
1311     OS << " __module_private__";
1312 
1313   if (D->isPure())
1314     OS << " pure";
1315   if (D->isDefaulted()) {
1316     OS << " default";
1317     if (D->isDeleted())
1318       OS << "_delete";
1319   }
1320   if (D->isDeletedAsWritten())
1321     OS << " delete";
1322   if (D->isTrivial())
1323     OS << " trivial";
1324 
1325   if (const auto *FPT = D->getType()->getAs<FunctionProtoType>()) {
1326     FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo();
1327     switch (EPI.ExceptionSpec.Type) {
1328     default:
1329       break;
1330     case EST_Unevaluated:
1331       OS << " noexcept-unevaluated " << EPI.ExceptionSpec.SourceDecl;
1332       break;
1333     case EST_Uninstantiated:
1334       OS << " noexcept-uninstantiated " << EPI.ExceptionSpec.SourceTemplate;
1335       break;
1336     }
1337   }
1338 
1339   if (const auto *MD = dyn_cast<CXXMethodDecl>(D)) {
1340     if (MD->size_overridden_methods() != 0) {
1341       auto dumpOverride = [=](const CXXMethodDecl *D) {
1342         SplitQualType T_split = D->getType().split();
1343         OS << D << " " << D->getParent()->getName()
1344            << "::" << D->getNameAsString() << " '"
1345            << QualType::getAsString(T_split, PrintPolicy) << "'";
1346       };
1347 
1348       AddChild([=] {
1349         auto Overrides = MD->overridden_methods();
1350         OS << "Overrides: [ ";
1351         dumpOverride(*Overrides.begin());
1352         for (const auto *Override :
1353              llvm::make_range(Overrides.begin() + 1, Overrides.end())) {
1354           OS << ", ";
1355           dumpOverride(Override);
1356         }
1357         OS << " ]";
1358       });
1359     }
1360   }
1361 
1362   // Since NumParams comes from the FunctionProtoType of the FunctionDecl and
1363   // the Params are set later, it is possible for a dump during debugging to
1364   // encounter a FunctionDecl that has been created but hasn't been assigned
1365   // ParmVarDecls yet.
1366   if (!D->param_empty() && !D->param_begin())
1367     OS << " <<<NULL params x " << D->getNumParams() << ">>>";
1368 }
1369 
1370 void TextNodeDumper::VisitLifetimeExtendedTemporaryDecl(
1371     const LifetimeExtendedTemporaryDecl *D) {
1372   OS << " extended by ";
1373   dumpBareDeclRef(D->getExtendingDecl());
1374   OS << " mangling ";
1375   {
1376     ColorScope Color(OS, ShowColors, ValueColor);
1377     OS << D->getManglingNumber();
1378   }
1379 }
1380 
1381 void TextNodeDumper::VisitFieldDecl(const FieldDecl *D) {
1382   dumpName(D);
1383   dumpType(D->getType());
1384   if (D->isMutable())
1385     OS << " mutable";
1386   if (D->isModulePrivate())
1387     OS << " __module_private__";
1388 }
1389 
1390 void TextNodeDumper::VisitVarDecl(const VarDecl *D) {
1391   dumpName(D);
1392   dumpType(D->getType());
1393   StorageClass SC = D->getStorageClass();
1394   if (SC != SC_None)
1395     OS << ' ' << VarDecl::getStorageClassSpecifierString(SC);
1396   switch (D->getTLSKind()) {
1397   case VarDecl::TLS_None:
1398     break;
1399   case VarDecl::TLS_Static:
1400     OS << " tls";
1401     break;
1402   case VarDecl::TLS_Dynamic:
1403     OS << " tls_dynamic";
1404     break;
1405   }
1406   if (D->isModulePrivate())
1407     OS << " __module_private__";
1408   if (D->isNRVOVariable())
1409     OS << " nrvo";
1410   if (D->isInline())
1411     OS << " inline";
1412   if (D->isConstexpr())
1413     OS << " constexpr";
1414   if (D->hasInit()) {
1415     switch (D->getInitStyle()) {
1416     case VarDecl::CInit:
1417       OS << " cinit";
1418       break;
1419     case VarDecl::CallInit:
1420       OS << " callinit";
1421       break;
1422     case VarDecl::ListInit:
1423       OS << " listinit";
1424       break;
1425     }
1426   }
1427   if (D->needsDestruction(D->getASTContext()))
1428     OS << " destroyed";
1429   if (D->isParameterPack())
1430     OS << " pack";
1431 }
1432 
1433 void TextNodeDumper::VisitBindingDecl(const BindingDecl *D) {
1434   dumpName(D);
1435   dumpType(D->getType());
1436 }
1437 
1438 void TextNodeDumper::VisitCapturedDecl(const CapturedDecl *D) {
1439   if (D->isNothrow())
1440     OS << " nothrow";
1441 }
1442 
1443 void TextNodeDumper::VisitImportDecl(const ImportDecl *D) {
1444   OS << ' ' << D->getImportedModule()->getFullModuleName();
1445 
1446   for (Decl *InitD :
1447        D->getASTContext().getModuleInitializers(D->getImportedModule()))
1448     dumpDeclRef(InitD, "initializer");
1449 }
1450 
1451 void TextNodeDumper::VisitPragmaCommentDecl(const PragmaCommentDecl *D) {
1452   OS << ' ';
1453   switch (D->getCommentKind()) {
1454   case PCK_Unknown:
1455     llvm_unreachable("unexpected pragma comment kind");
1456   case PCK_Compiler:
1457     OS << "compiler";
1458     break;
1459   case PCK_ExeStr:
1460     OS << "exestr";
1461     break;
1462   case PCK_Lib:
1463     OS << "lib";
1464     break;
1465   case PCK_Linker:
1466     OS << "linker";
1467     break;
1468   case PCK_User:
1469     OS << "user";
1470     break;
1471   }
1472   StringRef Arg = D->getArg();
1473   if (!Arg.empty())
1474     OS << " \"" << Arg << "\"";
1475 }
1476 
1477 void TextNodeDumper::VisitPragmaDetectMismatchDecl(
1478     const PragmaDetectMismatchDecl *D) {
1479   OS << " \"" << D->getName() << "\" \"" << D->getValue() << "\"";
1480 }
1481 
1482 void TextNodeDumper::VisitOMPExecutableDirective(
1483     const OMPExecutableDirective *D) {
1484   if (D->isStandaloneDirective())
1485     OS << " openmp_standalone_directive";
1486 }
1487 
1488 void TextNodeDumper::VisitOMPDeclareReductionDecl(
1489     const OMPDeclareReductionDecl *D) {
1490   dumpName(D);
1491   dumpType(D->getType());
1492   OS << " combiner";
1493   dumpPointer(D->getCombiner());
1494   if (const auto *Initializer = D->getInitializer()) {
1495     OS << " initializer";
1496     dumpPointer(Initializer);
1497     switch (D->getInitializerKind()) {
1498     case OMPDeclareReductionDecl::DirectInit:
1499       OS << " omp_priv = ";
1500       break;
1501     case OMPDeclareReductionDecl::CopyInit:
1502       OS << " omp_priv ()";
1503       break;
1504     case OMPDeclareReductionDecl::CallInit:
1505       break;
1506     }
1507   }
1508 }
1509 
1510 void TextNodeDumper::VisitOMPRequiresDecl(const OMPRequiresDecl *D) {
1511   for (const auto *C : D->clauselists()) {
1512     AddChild([=] {
1513       if (!C) {
1514         ColorScope Color(OS, ShowColors, NullColor);
1515         OS << "<<<NULL>>> OMPClause";
1516         return;
1517       }
1518       {
1519         ColorScope Color(OS, ShowColors, AttrColor);
1520         StringRef ClauseName(getOpenMPClauseName(C->getClauseKind()));
1521         OS << "OMP" << ClauseName.substr(/*Start=*/0, /*N=*/1).upper()
1522            << ClauseName.drop_front() << "Clause";
1523       }
1524       dumpPointer(C);
1525       dumpSourceRange(SourceRange(C->getBeginLoc(), C->getEndLoc()));
1526     });
1527   }
1528 }
1529 
1530 void TextNodeDumper::VisitOMPCapturedExprDecl(const OMPCapturedExprDecl *D) {
1531   dumpName(D);
1532   dumpType(D->getType());
1533 }
1534 
1535 void TextNodeDumper::VisitNamespaceDecl(const NamespaceDecl *D) {
1536   dumpName(D);
1537   if (D->isInline())
1538     OS << " inline";
1539   if (!D->isOriginalNamespace())
1540     dumpDeclRef(D->getOriginalNamespace(), "original");
1541 }
1542 
1543 void TextNodeDumper::VisitUsingDirectiveDecl(const UsingDirectiveDecl *D) {
1544   OS << ' ';
1545   dumpBareDeclRef(D->getNominatedNamespace());
1546 }
1547 
1548 void TextNodeDumper::VisitNamespaceAliasDecl(const NamespaceAliasDecl *D) {
1549   dumpName(D);
1550   dumpDeclRef(D->getAliasedNamespace());
1551 }
1552 
1553 void TextNodeDumper::VisitTypeAliasDecl(const TypeAliasDecl *D) {
1554   dumpName(D);
1555   dumpType(D->getUnderlyingType());
1556 }
1557 
1558 void TextNodeDumper::VisitTypeAliasTemplateDecl(
1559     const TypeAliasTemplateDecl *D) {
1560   dumpName(D);
1561 }
1562 
1563 void TextNodeDumper::VisitCXXRecordDecl(const CXXRecordDecl *D) {
1564   VisitRecordDecl(D);
1565   if (!D->isCompleteDefinition())
1566     return;
1567 
1568   AddChild([=] {
1569     {
1570       ColorScope Color(OS, ShowColors, DeclKindNameColor);
1571       OS << "DefinitionData";
1572     }
1573 #define FLAG(fn, name)                                                         \
1574   if (D->fn())                                                                 \
1575     OS << " " #name;
1576     FLAG(isParsingBaseSpecifiers, parsing_base_specifiers);
1577 
1578     FLAG(isGenericLambda, generic);
1579     FLAG(isLambda, lambda);
1580 
1581     FLAG(isAnonymousStructOrUnion, is_anonymous);
1582     FLAG(canPassInRegisters, pass_in_registers);
1583     FLAG(isEmpty, empty);
1584     FLAG(isAggregate, aggregate);
1585     FLAG(isStandardLayout, standard_layout);
1586     FLAG(isTriviallyCopyable, trivially_copyable);
1587     FLAG(isPOD, pod);
1588     FLAG(isTrivial, trivial);
1589     FLAG(isPolymorphic, polymorphic);
1590     FLAG(isAbstract, abstract);
1591     FLAG(isLiteral, literal);
1592 
1593     FLAG(hasUserDeclaredConstructor, has_user_declared_ctor);
1594     FLAG(hasConstexprNonCopyMoveConstructor, has_constexpr_non_copy_move_ctor);
1595     FLAG(hasMutableFields, has_mutable_fields);
1596     FLAG(hasVariantMembers, has_variant_members);
1597     FLAG(allowConstDefaultInit, can_const_default_init);
1598 
1599     AddChild([=] {
1600       {
1601         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1602         OS << "DefaultConstructor";
1603       }
1604       FLAG(hasDefaultConstructor, exists);
1605       FLAG(hasTrivialDefaultConstructor, trivial);
1606       FLAG(hasNonTrivialDefaultConstructor, non_trivial);
1607       FLAG(hasUserProvidedDefaultConstructor, user_provided);
1608       FLAG(hasConstexprDefaultConstructor, constexpr);
1609       FLAG(needsImplicitDefaultConstructor, needs_implicit);
1610       FLAG(defaultedDefaultConstructorIsConstexpr, defaulted_is_constexpr);
1611     });
1612 
1613     AddChild([=] {
1614       {
1615         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1616         OS << "CopyConstructor";
1617       }
1618       FLAG(hasSimpleCopyConstructor, simple);
1619       FLAG(hasTrivialCopyConstructor, trivial);
1620       FLAG(hasNonTrivialCopyConstructor, non_trivial);
1621       FLAG(hasUserDeclaredCopyConstructor, user_declared);
1622       FLAG(hasCopyConstructorWithConstParam, has_const_param);
1623       FLAG(needsImplicitCopyConstructor, needs_implicit);
1624       FLAG(needsOverloadResolutionForCopyConstructor,
1625            needs_overload_resolution);
1626       if (!D->needsOverloadResolutionForCopyConstructor())
1627         FLAG(defaultedCopyConstructorIsDeleted, defaulted_is_deleted);
1628       FLAG(implicitCopyConstructorHasConstParam, implicit_has_const_param);
1629     });
1630 
1631     AddChild([=] {
1632       {
1633         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1634         OS << "MoveConstructor";
1635       }
1636       FLAG(hasMoveConstructor, exists);
1637       FLAG(hasSimpleMoveConstructor, simple);
1638       FLAG(hasTrivialMoveConstructor, trivial);
1639       FLAG(hasNonTrivialMoveConstructor, non_trivial);
1640       FLAG(hasUserDeclaredMoveConstructor, user_declared);
1641       FLAG(needsImplicitMoveConstructor, needs_implicit);
1642       FLAG(needsOverloadResolutionForMoveConstructor,
1643            needs_overload_resolution);
1644       if (!D->needsOverloadResolutionForMoveConstructor())
1645         FLAG(defaultedMoveConstructorIsDeleted, defaulted_is_deleted);
1646     });
1647 
1648     AddChild([=] {
1649       {
1650         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1651         OS << "CopyAssignment";
1652       }
1653       FLAG(hasTrivialCopyAssignment, trivial);
1654       FLAG(hasNonTrivialCopyAssignment, non_trivial);
1655       FLAG(hasCopyAssignmentWithConstParam, has_const_param);
1656       FLAG(hasUserDeclaredCopyAssignment, user_declared);
1657       FLAG(needsImplicitCopyAssignment, needs_implicit);
1658       FLAG(needsOverloadResolutionForCopyAssignment, needs_overload_resolution);
1659       FLAG(implicitCopyAssignmentHasConstParam, implicit_has_const_param);
1660     });
1661 
1662     AddChild([=] {
1663       {
1664         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1665         OS << "MoveAssignment";
1666       }
1667       FLAG(hasMoveAssignment, exists);
1668       FLAG(hasSimpleMoveAssignment, simple);
1669       FLAG(hasTrivialMoveAssignment, trivial);
1670       FLAG(hasNonTrivialMoveAssignment, non_trivial);
1671       FLAG(hasUserDeclaredMoveAssignment, user_declared);
1672       FLAG(needsImplicitMoveAssignment, needs_implicit);
1673       FLAG(needsOverloadResolutionForMoveAssignment, needs_overload_resolution);
1674     });
1675 
1676     AddChild([=] {
1677       {
1678         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1679         OS << "Destructor";
1680       }
1681       FLAG(hasSimpleDestructor, simple);
1682       FLAG(hasIrrelevantDestructor, irrelevant);
1683       FLAG(hasTrivialDestructor, trivial);
1684       FLAG(hasNonTrivialDestructor, non_trivial);
1685       FLAG(hasUserDeclaredDestructor, user_declared);
1686       FLAG(hasConstexprDestructor, constexpr);
1687       FLAG(needsImplicitDestructor, needs_implicit);
1688       FLAG(needsOverloadResolutionForDestructor, needs_overload_resolution);
1689       if (!D->needsOverloadResolutionForDestructor())
1690         FLAG(defaultedDestructorIsDeleted, defaulted_is_deleted);
1691     });
1692   });
1693 
1694   for (const auto &I : D->bases()) {
1695     AddChild([=] {
1696       if (I.isVirtual())
1697         OS << "virtual ";
1698       dumpAccessSpecifier(I.getAccessSpecifier());
1699       dumpType(I.getType());
1700       if (I.isPackExpansion())
1701         OS << "...";
1702     });
1703   }
1704 }
1705 
1706 void TextNodeDumper::VisitFunctionTemplateDecl(const FunctionTemplateDecl *D) {
1707   dumpName(D);
1708 }
1709 
1710 void TextNodeDumper::VisitClassTemplateDecl(const ClassTemplateDecl *D) {
1711   dumpName(D);
1712 }
1713 
1714 void TextNodeDumper::VisitVarTemplateDecl(const VarTemplateDecl *D) {
1715   dumpName(D);
1716 }
1717 
1718 void TextNodeDumper::VisitBuiltinTemplateDecl(const BuiltinTemplateDecl *D) {
1719   dumpName(D);
1720 }
1721 
1722 void TextNodeDumper::VisitTemplateTypeParmDecl(const TemplateTypeParmDecl *D) {
1723   if (const auto *TC = D->getTypeConstraint()) {
1724     OS << " ";
1725     dumpBareDeclRef(TC->getNamedConcept());
1726     if (TC->getNamedConcept() != TC->getFoundDecl()) {
1727       OS << " (";
1728       dumpBareDeclRef(TC->getFoundDecl());
1729       OS << ")";
1730     }
1731     Visit(TC->getImmediatelyDeclaredConstraint());
1732   } else if (D->wasDeclaredWithTypename())
1733     OS << " typename";
1734   else
1735     OS << " class";
1736   OS << " depth " << D->getDepth() << " index " << D->getIndex();
1737   if (D->isParameterPack())
1738     OS << " ...";
1739   dumpName(D);
1740 }
1741 
1742 void TextNodeDumper::VisitNonTypeTemplateParmDecl(
1743     const NonTypeTemplateParmDecl *D) {
1744   dumpType(D->getType());
1745   OS << " depth " << D->getDepth() << " index " << D->getIndex();
1746   if (D->isParameterPack())
1747     OS << " ...";
1748   dumpName(D);
1749 }
1750 
1751 void TextNodeDumper::VisitTemplateTemplateParmDecl(
1752     const TemplateTemplateParmDecl *D) {
1753   OS << " depth " << D->getDepth() << " index " << D->getIndex();
1754   if (D->isParameterPack())
1755     OS << " ...";
1756   dumpName(D);
1757 }
1758 
1759 void TextNodeDumper::VisitUsingDecl(const UsingDecl *D) {
1760   OS << ' ';
1761   if (D->getQualifier())
1762     D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
1763   OS << D->getNameAsString();
1764 }
1765 
1766 void TextNodeDumper::VisitUnresolvedUsingTypenameDecl(
1767     const UnresolvedUsingTypenameDecl *D) {
1768   OS << ' ';
1769   if (D->getQualifier())
1770     D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
1771   OS << D->getNameAsString();
1772 }
1773 
1774 void TextNodeDumper::VisitUnresolvedUsingValueDecl(
1775     const UnresolvedUsingValueDecl *D) {
1776   OS << ' ';
1777   if (D->getQualifier())
1778     D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
1779   OS << D->getNameAsString();
1780   dumpType(D->getType());
1781 }
1782 
1783 void TextNodeDumper::VisitUsingShadowDecl(const UsingShadowDecl *D) {
1784   OS << ' ';
1785   dumpBareDeclRef(D->getTargetDecl());
1786 }
1787 
1788 void TextNodeDumper::VisitConstructorUsingShadowDecl(
1789     const ConstructorUsingShadowDecl *D) {
1790   if (D->constructsVirtualBase())
1791     OS << " virtual";
1792 
1793   AddChild([=] {
1794     OS << "target ";
1795     dumpBareDeclRef(D->getTargetDecl());
1796   });
1797 
1798   AddChild([=] {
1799     OS << "nominated ";
1800     dumpBareDeclRef(D->getNominatedBaseClass());
1801     OS << ' ';
1802     dumpBareDeclRef(D->getNominatedBaseClassShadowDecl());
1803   });
1804 
1805   AddChild([=] {
1806     OS << "constructed ";
1807     dumpBareDeclRef(D->getConstructedBaseClass());
1808     OS << ' ';
1809     dumpBareDeclRef(D->getConstructedBaseClassShadowDecl());
1810   });
1811 }
1812 
1813 void TextNodeDumper::VisitLinkageSpecDecl(const LinkageSpecDecl *D) {
1814   switch (D->getLanguage()) {
1815   case LinkageSpecDecl::lang_c:
1816     OS << " C";
1817     break;
1818   case LinkageSpecDecl::lang_cxx:
1819     OS << " C++";
1820     break;
1821   }
1822 }
1823 
1824 void TextNodeDumper::VisitAccessSpecDecl(const AccessSpecDecl *D) {
1825   OS << ' ';
1826   dumpAccessSpecifier(D->getAccess());
1827 }
1828 
1829 void TextNodeDumper::VisitFriendDecl(const FriendDecl *D) {
1830   if (TypeSourceInfo *T = D->getFriendType())
1831     dumpType(T->getType());
1832 }
1833 
1834 void TextNodeDumper::VisitObjCIvarDecl(const ObjCIvarDecl *D) {
1835   dumpName(D);
1836   dumpType(D->getType());
1837   if (D->getSynthesize())
1838     OS << " synthesize";
1839 
1840   switch (D->getAccessControl()) {
1841   case ObjCIvarDecl::None:
1842     OS << " none";
1843     break;
1844   case ObjCIvarDecl::Private:
1845     OS << " private";
1846     break;
1847   case ObjCIvarDecl::Protected:
1848     OS << " protected";
1849     break;
1850   case ObjCIvarDecl::Public:
1851     OS << " public";
1852     break;
1853   case ObjCIvarDecl::Package:
1854     OS << " package";
1855     break;
1856   }
1857 }
1858 
1859 void TextNodeDumper::VisitObjCMethodDecl(const ObjCMethodDecl *D) {
1860   if (D->isInstanceMethod())
1861     OS << " -";
1862   else
1863     OS << " +";
1864   dumpName(D);
1865   dumpType(D->getReturnType());
1866 
1867   if (D->isVariadic())
1868     OS << " variadic";
1869 }
1870 
1871 void TextNodeDumper::VisitObjCTypeParamDecl(const ObjCTypeParamDecl *D) {
1872   dumpName(D);
1873   switch (D->getVariance()) {
1874   case ObjCTypeParamVariance::Invariant:
1875     break;
1876 
1877   case ObjCTypeParamVariance::Covariant:
1878     OS << " covariant";
1879     break;
1880 
1881   case ObjCTypeParamVariance::Contravariant:
1882     OS << " contravariant";
1883     break;
1884   }
1885 
1886   if (D->hasExplicitBound())
1887     OS << " bounded";
1888   dumpType(D->getUnderlyingType());
1889 }
1890 
1891 void TextNodeDumper::VisitObjCCategoryDecl(const ObjCCategoryDecl *D) {
1892   dumpName(D);
1893   dumpDeclRef(D->getClassInterface());
1894   dumpDeclRef(D->getImplementation());
1895   for (const auto *P : D->protocols())
1896     dumpDeclRef(P);
1897 }
1898 
1899 void TextNodeDumper::VisitObjCCategoryImplDecl(const ObjCCategoryImplDecl *D) {
1900   dumpName(D);
1901   dumpDeclRef(D->getClassInterface());
1902   dumpDeclRef(D->getCategoryDecl());
1903 }
1904 
1905 void TextNodeDumper::VisitObjCProtocolDecl(const ObjCProtocolDecl *D) {
1906   dumpName(D);
1907 
1908   for (const auto *Child : D->protocols())
1909     dumpDeclRef(Child);
1910 }
1911 
1912 void TextNodeDumper::VisitObjCInterfaceDecl(const ObjCInterfaceDecl *D) {
1913   dumpName(D);
1914   dumpDeclRef(D->getSuperClass(), "super");
1915 
1916   dumpDeclRef(D->getImplementation());
1917   for (const auto *Child : D->protocols())
1918     dumpDeclRef(Child);
1919 }
1920 
1921 void TextNodeDumper::VisitObjCImplementationDecl(
1922     const ObjCImplementationDecl *D) {
1923   dumpName(D);
1924   dumpDeclRef(D->getSuperClass(), "super");
1925   dumpDeclRef(D->getClassInterface());
1926 }
1927 
1928 void TextNodeDumper::VisitObjCCompatibleAliasDecl(
1929     const ObjCCompatibleAliasDecl *D) {
1930   dumpName(D);
1931   dumpDeclRef(D->getClassInterface());
1932 }
1933 
1934 void TextNodeDumper::VisitObjCPropertyDecl(const ObjCPropertyDecl *D) {
1935   dumpName(D);
1936   dumpType(D->getType());
1937 
1938   if (D->getPropertyImplementation() == ObjCPropertyDecl::Required)
1939     OS << " required";
1940   else if (D->getPropertyImplementation() == ObjCPropertyDecl::Optional)
1941     OS << " optional";
1942 
1943   ObjCPropertyDecl::PropertyAttributeKind Attrs = D->getPropertyAttributes();
1944   if (Attrs != ObjCPropertyDecl::OBJC_PR_noattr) {
1945     if (Attrs & ObjCPropertyDecl::OBJC_PR_readonly)
1946       OS << " readonly";
1947     if (Attrs & ObjCPropertyDecl::OBJC_PR_assign)
1948       OS << " assign";
1949     if (Attrs & ObjCPropertyDecl::OBJC_PR_readwrite)
1950       OS << " readwrite";
1951     if (Attrs & ObjCPropertyDecl::OBJC_PR_retain)
1952       OS << " retain";
1953     if (Attrs & ObjCPropertyDecl::OBJC_PR_copy)
1954       OS << " copy";
1955     if (Attrs & ObjCPropertyDecl::OBJC_PR_nonatomic)
1956       OS << " nonatomic";
1957     if (Attrs & ObjCPropertyDecl::OBJC_PR_atomic)
1958       OS << " atomic";
1959     if (Attrs & ObjCPropertyDecl::OBJC_PR_weak)
1960       OS << " weak";
1961     if (Attrs & ObjCPropertyDecl::OBJC_PR_strong)
1962       OS << " strong";
1963     if (Attrs & ObjCPropertyDecl::OBJC_PR_unsafe_unretained)
1964       OS << " unsafe_unretained";
1965     if (Attrs & ObjCPropertyDecl::OBJC_PR_class)
1966       OS << " class";
1967     if (Attrs & ObjCPropertyDecl::OBJC_PR_direct)
1968       OS << " direct";
1969     if (Attrs & ObjCPropertyDecl::OBJC_PR_getter)
1970       dumpDeclRef(D->getGetterMethodDecl(), "getter");
1971     if (Attrs & ObjCPropertyDecl::OBJC_PR_setter)
1972       dumpDeclRef(D->getSetterMethodDecl(), "setter");
1973   }
1974 }
1975 
1976 void TextNodeDumper::VisitObjCPropertyImplDecl(const ObjCPropertyImplDecl *D) {
1977   dumpName(D->getPropertyDecl());
1978   if (D->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize)
1979     OS << " synthesize";
1980   else
1981     OS << " dynamic";
1982   dumpDeclRef(D->getPropertyDecl());
1983   dumpDeclRef(D->getPropertyIvarDecl());
1984 }
1985 
1986 void TextNodeDumper::VisitBlockDecl(const BlockDecl *D) {
1987   if (D->isVariadic())
1988     OS << " variadic";
1989 
1990   if (D->capturesCXXThis())
1991     OS << " captures_this";
1992 }
1993 
1994 void TextNodeDumper::VisitConceptDecl(const ConceptDecl *D) {
1995   dumpName(D);
1996 }
1997