1 //===--- TextNodeDumper.cpp - Printing of AST nodes -----------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file implements AST dumping of components of individual AST nodes.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "clang/AST/TextNodeDumper.h"
14 #include "clang/AST/DeclFriend.h"
15 #include "clang/AST/DeclOpenMP.h"
16 #include "clang/AST/DeclTemplate.h"
17 #include "clang/AST/LocInfoType.h"
18 #include "clang/Basic/Module.h"
19 #include "clang/Basic/SourceManager.h"
20 #include "clang/Basic/Specifiers.h"
21 
22 using namespace clang;
23 
24 static void dumpPreviousDeclImpl(raw_ostream &OS, ...) {}
25 
26 template <typename T>
27 static void dumpPreviousDeclImpl(raw_ostream &OS, const Mergeable<T> *D) {
28   const T *First = D->getFirstDecl();
29   if (First != D)
30     OS << " first " << First;
31 }
32 
33 template <typename T>
34 static void dumpPreviousDeclImpl(raw_ostream &OS, const Redeclarable<T> *D) {
35   const T *Prev = D->getPreviousDecl();
36   if (Prev)
37     OS << " prev " << Prev;
38 }
39 
40 /// Dump the previous declaration in the redeclaration chain for a declaration,
41 /// if any.
42 static void dumpPreviousDecl(raw_ostream &OS, const Decl *D) {
43   switch (D->getKind()) {
44 #define DECL(DERIVED, BASE)                                                    \
45   case Decl::DERIVED:                                                          \
46     return dumpPreviousDeclImpl(OS, cast<DERIVED##Decl>(D));
47 #define ABSTRACT_DECL(DECL)
48 #include "clang/AST/DeclNodes.inc"
49   }
50   llvm_unreachable("Decl that isn't part of DeclNodes.inc!");
51 }
52 
53 TextNodeDumper::TextNodeDumper(raw_ostream &OS, bool ShowColors,
54                                const SourceManager *SM,
55                                const PrintingPolicy &PrintPolicy,
56                                const comments::CommandTraits *Traits)
57     : TextTreeStructure(OS, ShowColors), OS(OS), ShowColors(ShowColors), SM(SM),
58       PrintPolicy(PrintPolicy), Traits(Traits) {}
59 
60 void TextNodeDumper::Visit(const comments::Comment *C,
61                            const comments::FullComment *FC) {
62   if (!C) {
63     ColorScope Color(OS, ShowColors, NullColor);
64     OS << "<<<NULL>>>";
65     return;
66   }
67 
68   {
69     ColorScope Color(OS, ShowColors, CommentColor);
70     OS << C->getCommentKindName();
71   }
72   dumpPointer(C);
73   dumpSourceRange(C->getSourceRange());
74 
75   ConstCommentVisitor<TextNodeDumper, void,
76                       const comments::FullComment *>::visit(C, FC);
77 }
78 
79 void TextNodeDumper::Visit(const Attr *A) {
80   {
81     ColorScope Color(OS, ShowColors, AttrColor);
82 
83     switch (A->getKind()) {
84 #define ATTR(X)                                                                \
85   case attr::X:                                                                \
86     OS << #X;                                                                  \
87     break;
88 #include "clang/Basic/AttrList.inc"
89     }
90     OS << "Attr";
91   }
92   dumpPointer(A);
93   dumpSourceRange(A->getRange());
94   if (A->isInherited())
95     OS << " Inherited";
96   if (A->isImplicit())
97     OS << " Implicit";
98 
99   ConstAttrVisitor<TextNodeDumper>::Visit(A);
100 }
101 
102 void TextNodeDumper::Visit(const TemplateArgument &TA, SourceRange R,
103                            const Decl *From, StringRef Label) {
104   OS << "TemplateArgument";
105   if (R.isValid())
106     dumpSourceRange(R);
107 
108   if (From)
109     dumpDeclRef(From, Label);
110 
111   ConstTemplateArgumentVisitor<TextNodeDumper>::Visit(TA);
112 }
113 
114 void TextNodeDumper::Visit(const Stmt *Node) {
115   if (!Node) {
116     ColorScope Color(OS, ShowColors, NullColor);
117     OS << "<<<NULL>>>";
118     return;
119   }
120   {
121     ColorScope Color(OS, ShowColors, StmtColor);
122     OS << Node->getStmtClassName();
123   }
124   dumpPointer(Node);
125   dumpSourceRange(Node->getSourceRange());
126 
127   if (const auto *E = dyn_cast<Expr>(Node)) {
128     dumpType(E->getType());
129 
130     if (E->containsErrors()) {
131       ColorScope Color(OS, ShowColors, ErrorsColor);
132       OS << " contains-errors";
133     }
134 
135     {
136       ColorScope Color(OS, ShowColors, ValueKindColor);
137       switch (E->getValueKind()) {
138       case VK_RValue:
139         break;
140       case VK_LValue:
141         OS << " lvalue";
142         break;
143       case VK_XValue:
144         OS << " xvalue";
145         break;
146       }
147     }
148 
149     {
150       ColorScope Color(OS, ShowColors, ObjectKindColor);
151       switch (E->getObjectKind()) {
152       case OK_Ordinary:
153         break;
154       case OK_BitField:
155         OS << " bitfield";
156         break;
157       case OK_ObjCProperty:
158         OS << " objcproperty";
159         break;
160       case OK_ObjCSubscript:
161         OS << " objcsubscript";
162         break;
163       case OK_VectorComponent:
164         OS << " vectorcomponent";
165         break;
166       case OK_MatrixComponent:
167         OS << " matrixcomponent";
168         break;
169       }
170     }
171   }
172 
173   ConstStmtVisitor<TextNodeDumper>::Visit(Node);
174 }
175 
176 void TextNodeDumper::Visit(const Type *T) {
177   if (!T) {
178     ColorScope Color(OS, ShowColors, NullColor);
179     OS << "<<<NULL>>>";
180     return;
181   }
182   if (isa<LocInfoType>(T)) {
183     {
184       ColorScope Color(OS, ShowColors, TypeColor);
185       OS << "LocInfo Type";
186     }
187     dumpPointer(T);
188     return;
189   }
190 
191   {
192     ColorScope Color(OS, ShowColors, TypeColor);
193     OS << T->getTypeClassName() << "Type";
194   }
195   dumpPointer(T);
196   OS << " ";
197   dumpBareType(QualType(T, 0), false);
198 
199   QualType SingleStepDesugar =
200       T->getLocallyUnqualifiedSingleStepDesugaredType();
201   if (SingleStepDesugar != QualType(T, 0))
202     OS << " sugar";
203 
204   if (T->isDependentType())
205     OS << " dependent";
206   else if (T->isInstantiationDependentType())
207     OS << " instantiation_dependent";
208 
209   if (T->isVariablyModifiedType())
210     OS << " variably_modified";
211   if (T->containsUnexpandedParameterPack())
212     OS << " contains_unexpanded_pack";
213   if (T->isFromAST())
214     OS << " imported";
215 
216   TypeVisitor<TextNodeDumper>::Visit(T);
217 }
218 
219 void TextNodeDumper::Visit(QualType T) {
220   OS << "QualType";
221   dumpPointer(T.getAsOpaquePtr());
222   OS << " ";
223   dumpBareType(T, false);
224   OS << " " << T.split().Quals.getAsString();
225 }
226 
227 void TextNodeDumper::Visit(const Decl *D) {
228   if (!D) {
229     ColorScope Color(OS, ShowColors, NullColor);
230     OS << "<<<NULL>>>";
231     return;
232   }
233 
234   {
235     ColorScope Color(OS, ShowColors, DeclKindNameColor);
236     OS << D->getDeclKindName() << "Decl";
237   }
238   dumpPointer(D);
239   if (D->getLexicalDeclContext() != D->getDeclContext())
240     OS << " parent " << cast<Decl>(D->getDeclContext());
241   dumpPreviousDecl(OS, D);
242   dumpSourceRange(D->getSourceRange());
243   OS << ' ';
244   dumpLocation(D->getLocation());
245   if (D->isFromASTFile())
246     OS << " imported";
247   if (Module *M = D->getOwningModule())
248     OS << " in " << M->getFullModuleName();
249   if (auto *ND = dyn_cast<NamedDecl>(D))
250     for (Module *M : D->getASTContext().getModulesWithMergedDefinition(
251              const_cast<NamedDecl *>(ND)))
252       AddChild([=] { OS << "also in " << M->getFullModuleName(); });
253   if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
254     if (ND->isHidden())
255       OS << " hidden";
256   if (D->isImplicit())
257     OS << " implicit";
258 
259   if (D->isUsed())
260     OS << " used";
261   else if (D->isThisDeclarationReferenced())
262     OS << " referenced";
263 
264   if (D->isInvalidDecl())
265     OS << " invalid";
266   if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
267     if (FD->isConstexprSpecified())
268       OS << " constexpr";
269     if (FD->isConsteval())
270       OS << " consteval";
271   }
272 
273   if (!isa<FunctionDecl>(*D)) {
274     const auto *MD = dyn_cast<ObjCMethodDecl>(D);
275     if (!MD || !MD->isThisDeclarationADefinition()) {
276       const auto *DC = dyn_cast<DeclContext>(D);
277       if (DC && DC->hasExternalLexicalStorage()) {
278         ColorScope Color(OS, ShowColors, UndeserializedColor);
279         OS << " <undeserialized declarations>";
280       }
281     }
282   }
283 
284   ConstDeclVisitor<TextNodeDumper>::Visit(D);
285 }
286 
287 void TextNodeDumper::Visit(const CXXCtorInitializer *Init) {
288   OS << "CXXCtorInitializer";
289   if (Init->isAnyMemberInitializer()) {
290     OS << ' ';
291     dumpBareDeclRef(Init->getAnyMember());
292   } else if (Init->isBaseInitializer()) {
293     dumpType(QualType(Init->getBaseClass(), 0));
294   } else if (Init->isDelegatingInitializer()) {
295     dumpType(Init->getTypeSourceInfo()->getType());
296   } else {
297     llvm_unreachable("Unknown initializer type");
298   }
299 }
300 
301 void TextNodeDumper::Visit(const BlockDecl::Capture &C) {
302   OS << "capture";
303   if (C.isByRef())
304     OS << " byref";
305   if (C.isNested())
306     OS << " nested";
307   if (C.getVariable()) {
308     OS << ' ';
309     dumpBareDeclRef(C.getVariable());
310   }
311 }
312 
313 void TextNodeDumper::Visit(const OMPClause *C) {
314   if (!C) {
315     ColorScope Color(OS, ShowColors, NullColor);
316     OS << "<<<NULL>>> OMPClause";
317     return;
318   }
319   {
320     ColorScope Color(OS, ShowColors, AttrColor);
321     StringRef ClauseName(llvm::omp::getOpenMPClauseName(C->getClauseKind()));
322     OS << "OMP" << ClauseName.substr(/*Start=*/0, /*N=*/1).upper()
323        << ClauseName.drop_front() << "Clause";
324   }
325   dumpPointer(C);
326   dumpSourceRange(SourceRange(C->getBeginLoc(), C->getEndLoc()));
327   if (C->isImplicit())
328     OS << " <implicit>";
329 }
330 
331 void TextNodeDumper::Visit(const GenericSelectionExpr::ConstAssociation &A) {
332   const TypeSourceInfo *TSI = A.getTypeSourceInfo();
333   if (TSI) {
334     OS << "case ";
335     dumpType(TSI->getType());
336   } else {
337     OS << "default";
338   }
339 
340   if (A.isSelected())
341     OS << " selected";
342 }
343 
344 void TextNodeDumper::dumpPointer(const void *Ptr) {
345   ColorScope Color(OS, ShowColors, AddressColor);
346   OS << ' ' << Ptr;
347 }
348 
349 void TextNodeDumper::dumpLocation(SourceLocation Loc) {
350   if (!SM)
351     return;
352 
353   ColorScope Color(OS, ShowColors, LocationColor);
354   SourceLocation SpellingLoc = SM->getSpellingLoc(Loc);
355 
356   // The general format we print out is filename:line:col, but we drop pieces
357   // that haven't changed since the last loc printed.
358   PresumedLoc PLoc = SM->getPresumedLoc(SpellingLoc);
359 
360   if (PLoc.isInvalid()) {
361     OS << "<invalid sloc>";
362     return;
363   }
364 
365   if (strcmp(PLoc.getFilename(), LastLocFilename) != 0) {
366     OS << PLoc.getFilename() << ':' << PLoc.getLine() << ':'
367        << PLoc.getColumn();
368     LastLocFilename = PLoc.getFilename();
369     LastLocLine = PLoc.getLine();
370   } else if (PLoc.getLine() != LastLocLine) {
371     OS << "line" << ':' << PLoc.getLine() << ':' << PLoc.getColumn();
372     LastLocLine = PLoc.getLine();
373   } else {
374     OS << "col" << ':' << PLoc.getColumn();
375   }
376 }
377 
378 void TextNodeDumper::dumpSourceRange(SourceRange R) {
379   // Can't translate locations if a SourceManager isn't available.
380   if (!SM)
381     return;
382 
383   OS << " <";
384   dumpLocation(R.getBegin());
385   if (R.getBegin() != R.getEnd()) {
386     OS << ", ";
387     dumpLocation(R.getEnd());
388   }
389   OS << ">";
390 
391   // <t2.c:123:421[blah], t2.c:412:321>
392 }
393 
394 void TextNodeDumper::dumpBareType(QualType T, bool Desugar) {
395   ColorScope Color(OS, ShowColors, TypeColor);
396 
397   SplitQualType T_split = T.split();
398   OS << "'" << QualType::getAsString(T_split, PrintPolicy) << "'";
399 
400   if (Desugar && !T.isNull()) {
401     // If the type is sugared, also dump a (shallow) desugared type.
402     SplitQualType D_split = T.getSplitDesugaredType();
403     if (T_split != D_split)
404       OS << ":'" << QualType::getAsString(D_split, PrintPolicy) << "'";
405   }
406 }
407 
408 void TextNodeDumper::dumpType(QualType T) {
409   OS << ' ';
410   dumpBareType(T);
411 }
412 
413 void TextNodeDumper::dumpBareDeclRef(const Decl *D) {
414   if (!D) {
415     ColorScope Color(OS, ShowColors, NullColor);
416     OS << "<<<NULL>>>";
417     return;
418   }
419 
420   {
421     ColorScope Color(OS, ShowColors, DeclKindNameColor);
422     OS << D->getDeclKindName();
423   }
424   dumpPointer(D);
425 
426   if (const NamedDecl *ND = dyn_cast<NamedDecl>(D)) {
427     ColorScope Color(OS, ShowColors, DeclNameColor);
428     OS << " '" << ND->getDeclName() << '\'';
429   }
430 
431   if (const ValueDecl *VD = dyn_cast<ValueDecl>(D))
432     dumpType(VD->getType());
433 }
434 
435 void TextNodeDumper::dumpName(const NamedDecl *ND) {
436   if (ND->getDeclName()) {
437     ColorScope Color(OS, ShowColors, DeclNameColor);
438     OS << ' ' << ND->getNameAsString();
439   }
440 }
441 
442 void TextNodeDumper::dumpAccessSpecifier(AccessSpecifier AS) {
443   const auto AccessSpelling = getAccessSpelling(AS);
444   if (AccessSpelling.empty())
445     return;
446   OS << AccessSpelling;
447 }
448 
449 void TextNodeDumper::dumpCleanupObject(
450     const ExprWithCleanups::CleanupObject &C) {
451   if (auto *BD = C.dyn_cast<BlockDecl *>())
452     dumpDeclRef(BD, "cleanup");
453   else if (auto *CLE = C.dyn_cast<CompoundLiteralExpr *>())
454     AddChild([=] {
455       OS << "cleanup ";
456       {
457         ColorScope Color(OS, ShowColors, StmtColor);
458         OS << CLE->getStmtClassName();
459       }
460       dumpPointer(CLE);
461     });
462   else
463     llvm_unreachable("unexpected cleanup type");
464 }
465 
466 void TextNodeDumper::dumpDeclRef(const Decl *D, StringRef Label) {
467   if (!D)
468     return;
469 
470   AddChild([=] {
471     if (!Label.empty())
472       OS << Label << ' ';
473     dumpBareDeclRef(D);
474   });
475 }
476 
477 const char *TextNodeDumper::getCommandName(unsigned CommandID) {
478   if (Traits)
479     return Traits->getCommandInfo(CommandID)->Name;
480   const comments::CommandInfo *Info =
481       comments::CommandTraits::getBuiltinCommandInfo(CommandID);
482   if (Info)
483     return Info->Name;
484   return "<not a builtin command>";
485 }
486 
487 void TextNodeDumper::visitTextComment(const comments::TextComment *C,
488                                       const comments::FullComment *) {
489   OS << " Text=\"" << C->getText() << "\"";
490 }
491 
492 void TextNodeDumper::visitInlineCommandComment(
493     const comments::InlineCommandComment *C, const comments::FullComment *) {
494   OS << " Name=\"" << getCommandName(C->getCommandID()) << "\"";
495   switch (C->getRenderKind()) {
496   case comments::InlineCommandComment::RenderNormal:
497     OS << " RenderNormal";
498     break;
499   case comments::InlineCommandComment::RenderBold:
500     OS << " RenderBold";
501     break;
502   case comments::InlineCommandComment::RenderMonospaced:
503     OS << " RenderMonospaced";
504     break;
505   case comments::InlineCommandComment::RenderEmphasized:
506     OS << " RenderEmphasized";
507     break;
508   case comments::InlineCommandComment::RenderAnchor:
509     OS << " RenderAnchor";
510     break;
511   }
512 
513   for (unsigned i = 0, e = C->getNumArgs(); i != e; ++i)
514     OS << " Arg[" << i << "]=\"" << C->getArgText(i) << "\"";
515 }
516 
517 void TextNodeDumper::visitHTMLStartTagComment(
518     const comments::HTMLStartTagComment *C, const comments::FullComment *) {
519   OS << " Name=\"" << C->getTagName() << "\"";
520   if (C->getNumAttrs() != 0) {
521     OS << " Attrs: ";
522     for (unsigned i = 0, e = C->getNumAttrs(); i != e; ++i) {
523       const comments::HTMLStartTagComment::Attribute &Attr = C->getAttr(i);
524       OS << " \"" << Attr.Name << "=\"" << Attr.Value << "\"";
525     }
526   }
527   if (C->isSelfClosing())
528     OS << " SelfClosing";
529 }
530 
531 void TextNodeDumper::visitHTMLEndTagComment(
532     const comments::HTMLEndTagComment *C, const comments::FullComment *) {
533   OS << " Name=\"" << C->getTagName() << "\"";
534 }
535 
536 void TextNodeDumper::visitBlockCommandComment(
537     const comments::BlockCommandComment *C, const comments::FullComment *) {
538   OS << " Name=\"" << getCommandName(C->getCommandID()) << "\"";
539   for (unsigned i = 0, e = C->getNumArgs(); i != e; ++i)
540     OS << " Arg[" << i << "]=\"" << C->getArgText(i) << "\"";
541 }
542 
543 void TextNodeDumper::visitParamCommandComment(
544     const comments::ParamCommandComment *C, const comments::FullComment *FC) {
545   OS << " "
546      << comments::ParamCommandComment::getDirectionAsString(C->getDirection());
547 
548   if (C->isDirectionExplicit())
549     OS << " explicitly";
550   else
551     OS << " implicitly";
552 
553   if (C->hasParamName()) {
554     if (C->isParamIndexValid())
555       OS << " Param=\"" << C->getParamName(FC) << "\"";
556     else
557       OS << " Param=\"" << C->getParamNameAsWritten() << "\"";
558   }
559 
560   if (C->isParamIndexValid() && !C->isVarArgParam())
561     OS << " ParamIndex=" << C->getParamIndex();
562 }
563 
564 void TextNodeDumper::visitTParamCommandComment(
565     const comments::TParamCommandComment *C, const comments::FullComment *FC) {
566   if (C->hasParamName()) {
567     if (C->isPositionValid())
568       OS << " Param=\"" << C->getParamName(FC) << "\"";
569     else
570       OS << " Param=\"" << C->getParamNameAsWritten() << "\"";
571   }
572 
573   if (C->isPositionValid()) {
574     OS << " Position=<";
575     for (unsigned i = 0, e = C->getDepth(); i != e; ++i) {
576       OS << C->getIndex(i);
577       if (i != e - 1)
578         OS << ", ";
579     }
580     OS << ">";
581   }
582 }
583 
584 void TextNodeDumper::visitVerbatimBlockComment(
585     const comments::VerbatimBlockComment *C, const comments::FullComment *) {
586   OS << " Name=\"" << getCommandName(C->getCommandID())
587      << "\""
588         " CloseName=\""
589      << C->getCloseName() << "\"";
590 }
591 
592 void TextNodeDumper::visitVerbatimBlockLineComment(
593     const comments::VerbatimBlockLineComment *C,
594     const comments::FullComment *) {
595   OS << " Text=\"" << C->getText() << "\"";
596 }
597 
598 void TextNodeDumper::visitVerbatimLineComment(
599     const comments::VerbatimLineComment *C, const comments::FullComment *) {
600   OS << " Text=\"" << C->getText() << "\"";
601 }
602 
603 void TextNodeDumper::VisitNullTemplateArgument(const TemplateArgument &) {
604   OS << " null";
605 }
606 
607 void TextNodeDumper::VisitTypeTemplateArgument(const TemplateArgument &TA) {
608   OS << " type";
609   dumpType(TA.getAsType());
610 }
611 
612 void TextNodeDumper::VisitDeclarationTemplateArgument(
613     const TemplateArgument &TA) {
614   OS << " decl";
615   dumpDeclRef(TA.getAsDecl());
616 }
617 
618 void TextNodeDumper::VisitNullPtrTemplateArgument(const TemplateArgument &) {
619   OS << " nullptr";
620 }
621 
622 void TextNodeDumper::VisitIntegralTemplateArgument(const TemplateArgument &TA) {
623   OS << " integral " << TA.getAsIntegral();
624 }
625 
626 void TextNodeDumper::VisitTemplateTemplateArgument(const TemplateArgument &TA) {
627   OS << " template ";
628   TA.getAsTemplate().dump(OS);
629 }
630 
631 void TextNodeDumper::VisitTemplateExpansionTemplateArgument(
632     const TemplateArgument &TA) {
633   OS << " template expansion ";
634   TA.getAsTemplateOrTemplatePattern().dump(OS);
635 }
636 
637 void TextNodeDumper::VisitExpressionTemplateArgument(const TemplateArgument &) {
638   OS << " expr";
639 }
640 
641 void TextNodeDumper::VisitPackTemplateArgument(const TemplateArgument &) {
642   OS << " pack";
643 }
644 
645 static void dumpBasePath(raw_ostream &OS, const CastExpr *Node) {
646   if (Node->path_empty())
647     return;
648 
649   OS << " (";
650   bool First = true;
651   for (CastExpr::path_const_iterator I = Node->path_begin(),
652                                      E = Node->path_end();
653        I != E; ++I) {
654     const CXXBaseSpecifier *Base = *I;
655     if (!First)
656       OS << " -> ";
657 
658     const auto *RD =
659         cast<CXXRecordDecl>(Base->getType()->castAs<RecordType>()->getDecl());
660 
661     if (Base->isVirtual())
662       OS << "virtual ";
663     OS << RD->getName();
664     First = false;
665   }
666 
667   OS << ')';
668 }
669 
670 void TextNodeDumper::VisitIfStmt(const IfStmt *Node) {
671   if (Node->hasInitStorage())
672     OS << " has_init";
673   if (Node->hasVarStorage())
674     OS << " has_var";
675   if (Node->hasElseStorage())
676     OS << " has_else";
677 }
678 
679 void TextNodeDumper::VisitSwitchStmt(const SwitchStmt *Node) {
680   if (Node->hasInitStorage())
681     OS << " has_init";
682   if (Node->hasVarStorage())
683     OS << " has_var";
684 }
685 
686 void TextNodeDumper::VisitWhileStmt(const WhileStmt *Node) {
687   if (Node->hasVarStorage())
688     OS << " has_var";
689 }
690 
691 void TextNodeDumper::VisitLabelStmt(const LabelStmt *Node) {
692   OS << " '" << Node->getName() << "'";
693 }
694 
695 void TextNodeDumper::VisitGotoStmt(const GotoStmt *Node) {
696   OS << " '" << Node->getLabel()->getName() << "'";
697   dumpPointer(Node->getLabel());
698 }
699 
700 void TextNodeDumper::VisitCaseStmt(const CaseStmt *Node) {
701   if (Node->caseStmtIsGNURange())
702     OS << " gnu_range";
703 }
704 
705 void TextNodeDumper::VisitConstantExpr(const ConstantExpr *Node) {
706   if (Node->getResultAPValueKind() != APValue::None) {
707     ColorScope Color(OS, ShowColors, ValueColor);
708     OS << " ";
709     Node->getAPValueResult().dump(OS);
710   }
711 }
712 
713 void TextNodeDumper::VisitCallExpr(const CallExpr *Node) {
714   if (Node->usesADL())
715     OS << " adl";
716 }
717 
718 void TextNodeDumper::VisitCXXOperatorCallExpr(const CXXOperatorCallExpr *Node) {
719   const char *OperatorSpelling = clang::getOperatorSpelling(Node->getOperator());
720   if (OperatorSpelling)
721     OS << " '" << OperatorSpelling << "'";
722 
723   VisitCallExpr(Node);
724 }
725 
726 void TextNodeDumper::VisitCastExpr(const CastExpr *Node) {
727   OS << " <";
728   {
729     ColorScope Color(OS, ShowColors, CastColor);
730     OS << Node->getCastKindName();
731   }
732   dumpBasePath(OS, Node);
733   OS << ">";
734 }
735 
736 void TextNodeDumper::VisitImplicitCastExpr(const ImplicitCastExpr *Node) {
737   VisitCastExpr(Node);
738   if (Node->isPartOfExplicitCast())
739     OS << " part_of_explicit_cast";
740 }
741 
742 void TextNodeDumper::VisitDeclRefExpr(const DeclRefExpr *Node) {
743   OS << " ";
744   dumpBareDeclRef(Node->getDecl());
745   if (Node->getDecl() != Node->getFoundDecl()) {
746     OS << " (";
747     dumpBareDeclRef(Node->getFoundDecl());
748     OS << ")";
749   }
750   switch (Node->isNonOdrUse()) {
751   case NOUR_None: break;
752   case NOUR_Unevaluated: OS << " non_odr_use_unevaluated"; break;
753   case NOUR_Constant: OS << " non_odr_use_constant"; break;
754   case NOUR_Discarded: OS << " non_odr_use_discarded"; break;
755   }
756 }
757 
758 void TextNodeDumper::VisitUnresolvedLookupExpr(
759     const UnresolvedLookupExpr *Node) {
760   OS << " (";
761   if (!Node->requiresADL())
762     OS << "no ";
763   OS << "ADL) = '" << Node->getName() << '\'';
764 
765   UnresolvedLookupExpr::decls_iterator I = Node->decls_begin(),
766                                        E = Node->decls_end();
767   if (I == E)
768     OS << " empty";
769   for (; I != E; ++I)
770     dumpPointer(*I);
771 }
772 
773 void TextNodeDumper::VisitObjCIvarRefExpr(const ObjCIvarRefExpr *Node) {
774   {
775     ColorScope Color(OS, ShowColors, DeclKindNameColor);
776     OS << " " << Node->getDecl()->getDeclKindName() << "Decl";
777   }
778   OS << "='" << *Node->getDecl() << "'";
779   dumpPointer(Node->getDecl());
780   if (Node->isFreeIvar())
781     OS << " isFreeIvar";
782 }
783 
784 void TextNodeDumper::VisitPredefinedExpr(const PredefinedExpr *Node) {
785   OS << " " << PredefinedExpr::getIdentKindName(Node->getIdentKind());
786 }
787 
788 void TextNodeDumper::VisitCharacterLiteral(const CharacterLiteral *Node) {
789   ColorScope Color(OS, ShowColors, ValueColor);
790   OS << " " << Node->getValue();
791 }
792 
793 void TextNodeDumper::VisitIntegerLiteral(const IntegerLiteral *Node) {
794   bool isSigned = Node->getType()->isSignedIntegerType();
795   ColorScope Color(OS, ShowColors, ValueColor);
796   OS << " " << Node->getValue().toString(10, isSigned);
797 }
798 
799 void TextNodeDumper::VisitFixedPointLiteral(const FixedPointLiteral *Node) {
800   ColorScope Color(OS, ShowColors, ValueColor);
801   OS << " " << Node->getValueAsString(/*Radix=*/10);
802 }
803 
804 void TextNodeDumper::VisitFloatingLiteral(const FloatingLiteral *Node) {
805   ColorScope Color(OS, ShowColors, ValueColor);
806   OS << " " << Node->getValueAsApproximateDouble();
807 }
808 
809 void TextNodeDumper::VisitStringLiteral(const StringLiteral *Str) {
810   ColorScope Color(OS, ShowColors, ValueColor);
811   OS << " ";
812   Str->outputString(OS);
813 }
814 
815 void TextNodeDumper::VisitInitListExpr(const InitListExpr *ILE) {
816   if (auto *Field = ILE->getInitializedFieldInUnion()) {
817     OS << " field ";
818     dumpBareDeclRef(Field);
819   }
820 }
821 
822 void TextNodeDumper::VisitGenericSelectionExpr(const GenericSelectionExpr *E) {
823   if (E->isResultDependent())
824     OS << " result_dependent";
825 }
826 
827 void TextNodeDumper::VisitUnaryOperator(const UnaryOperator *Node) {
828   OS << " " << (Node->isPostfix() ? "postfix" : "prefix") << " '"
829      << UnaryOperator::getOpcodeStr(Node->getOpcode()) << "'";
830   if (!Node->canOverflow())
831     OS << " cannot overflow";
832 }
833 
834 void TextNodeDumper::VisitUnaryExprOrTypeTraitExpr(
835     const UnaryExprOrTypeTraitExpr *Node) {
836   switch (Node->getKind()) {
837   case UETT_SizeOf:
838     OS << " sizeof";
839     break;
840   case UETT_AlignOf:
841     OS << " alignof";
842     break;
843   case UETT_VecStep:
844     OS << " vec_step";
845     break;
846   case UETT_OpenMPRequiredSimdAlign:
847     OS << " __builtin_omp_required_simd_align";
848     break;
849   case UETT_PreferredAlignOf:
850     OS << " __alignof";
851     break;
852   }
853   if (Node->isArgumentType())
854     dumpType(Node->getArgumentType());
855 }
856 
857 void TextNodeDumper::VisitMemberExpr(const MemberExpr *Node) {
858   OS << " " << (Node->isArrow() ? "->" : ".") << *Node->getMemberDecl();
859   dumpPointer(Node->getMemberDecl());
860   switch (Node->isNonOdrUse()) {
861   case NOUR_None: break;
862   case NOUR_Unevaluated: OS << " non_odr_use_unevaluated"; break;
863   case NOUR_Constant: OS << " non_odr_use_constant"; break;
864   case NOUR_Discarded: OS << " non_odr_use_discarded"; break;
865   }
866 }
867 
868 void TextNodeDumper::VisitExtVectorElementExpr(
869     const ExtVectorElementExpr *Node) {
870   OS << " " << Node->getAccessor().getNameStart();
871 }
872 
873 void TextNodeDumper::VisitBinaryOperator(const BinaryOperator *Node) {
874   OS << " '" << BinaryOperator::getOpcodeStr(Node->getOpcode()) << "'";
875 }
876 
877 void TextNodeDumper::VisitCompoundAssignOperator(
878     const CompoundAssignOperator *Node) {
879   OS << " '" << BinaryOperator::getOpcodeStr(Node->getOpcode())
880      << "' ComputeLHSTy=";
881   dumpBareType(Node->getComputationLHSType());
882   OS << " ComputeResultTy=";
883   dumpBareType(Node->getComputationResultType());
884 }
885 
886 void TextNodeDumper::VisitAddrLabelExpr(const AddrLabelExpr *Node) {
887   OS << " " << Node->getLabel()->getName();
888   dumpPointer(Node->getLabel());
889 }
890 
891 void TextNodeDumper::VisitCXXNamedCastExpr(const CXXNamedCastExpr *Node) {
892   OS << " " << Node->getCastName() << "<"
893      << Node->getTypeAsWritten().getAsString() << ">"
894      << " <" << Node->getCastKindName();
895   dumpBasePath(OS, Node);
896   OS << ">";
897 }
898 
899 void TextNodeDumper::VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *Node) {
900   OS << " " << (Node->getValue() ? "true" : "false");
901 }
902 
903 void TextNodeDumper::VisitCXXThisExpr(const CXXThisExpr *Node) {
904   if (Node->isImplicit())
905     OS << " implicit";
906   OS << " this";
907 }
908 
909 void TextNodeDumper::VisitCXXFunctionalCastExpr(
910     const CXXFunctionalCastExpr *Node) {
911   OS << " functional cast to " << Node->getTypeAsWritten().getAsString() << " <"
912      << Node->getCastKindName() << ">";
913 }
914 
915 void TextNodeDumper::VisitCXXUnresolvedConstructExpr(
916     const CXXUnresolvedConstructExpr *Node) {
917   dumpType(Node->getTypeAsWritten());
918   if (Node->isListInitialization())
919     OS << " list";
920 }
921 
922 void TextNodeDumper::VisitCXXConstructExpr(const CXXConstructExpr *Node) {
923   CXXConstructorDecl *Ctor = Node->getConstructor();
924   dumpType(Ctor->getType());
925   if (Node->isElidable())
926     OS << " elidable";
927   if (Node->isListInitialization())
928     OS << " list";
929   if (Node->isStdInitListInitialization())
930     OS << " std::initializer_list";
931   if (Node->requiresZeroInitialization())
932     OS << " zeroing";
933 }
934 
935 void TextNodeDumper::VisitCXXBindTemporaryExpr(
936     const CXXBindTemporaryExpr *Node) {
937   OS << " (CXXTemporary";
938   dumpPointer(Node);
939   OS << ")";
940 }
941 
942 void TextNodeDumper::VisitCXXNewExpr(const CXXNewExpr *Node) {
943   if (Node->isGlobalNew())
944     OS << " global";
945   if (Node->isArray())
946     OS << " array";
947   if (Node->getOperatorNew()) {
948     OS << ' ';
949     dumpBareDeclRef(Node->getOperatorNew());
950   }
951   // We could dump the deallocation function used in case of error, but it's
952   // usually not that interesting.
953 }
954 
955 void TextNodeDumper::VisitCXXDeleteExpr(const CXXDeleteExpr *Node) {
956   if (Node->isGlobalDelete())
957     OS << " global";
958   if (Node->isArrayForm())
959     OS << " array";
960   if (Node->getOperatorDelete()) {
961     OS << ' ';
962     dumpBareDeclRef(Node->getOperatorDelete());
963   }
964 }
965 
966 void TextNodeDumper::VisitMaterializeTemporaryExpr(
967     const MaterializeTemporaryExpr *Node) {
968   if (const ValueDecl *VD = Node->getExtendingDecl()) {
969     OS << " extended by ";
970     dumpBareDeclRef(VD);
971   }
972 }
973 
974 void TextNodeDumper::VisitExprWithCleanups(const ExprWithCleanups *Node) {
975   for (unsigned i = 0, e = Node->getNumObjects(); i != e; ++i)
976     dumpCleanupObject(Node->getObject(i));
977 }
978 
979 void TextNodeDumper::VisitSizeOfPackExpr(const SizeOfPackExpr *Node) {
980   dumpPointer(Node->getPack());
981   dumpName(Node->getPack());
982 }
983 
984 void TextNodeDumper::VisitCXXDependentScopeMemberExpr(
985     const CXXDependentScopeMemberExpr *Node) {
986   OS << " " << (Node->isArrow() ? "->" : ".") << Node->getMember();
987 }
988 
989 void TextNodeDumper::VisitObjCMessageExpr(const ObjCMessageExpr *Node) {
990   OS << " selector=";
991   Node->getSelector().print(OS);
992   switch (Node->getReceiverKind()) {
993   case ObjCMessageExpr::Instance:
994     break;
995 
996   case ObjCMessageExpr::Class:
997     OS << " class=";
998     dumpBareType(Node->getClassReceiver());
999     break;
1000 
1001   case ObjCMessageExpr::SuperInstance:
1002     OS << " super (instance)";
1003     break;
1004 
1005   case ObjCMessageExpr::SuperClass:
1006     OS << " super (class)";
1007     break;
1008   }
1009 }
1010 
1011 void TextNodeDumper::VisitObjCBoxedExpr(const ObjCBoxedExpr *Node) {
1012   if (auto *BoxingMethod = Node->getBoxingMethod()) {
1013     OS << " selector=";
1014     BoxingMethod->getSelector().print(OS);
1015   }
1016 }
1017 
1018 void TextNodeDumper::VisitObjCAtCatchStmt(const ObjCAtCatchStmt *Node) {
1019   if (!Node->getCatchParamDecl())
1020     OS << " catch all";
1021 }
1022 
1023 void TextNodeDumper::VisitObjCEncodeExpr(const ObjCEncodeExpr *Node) {
1024   dumpType(Node->getEncodedType());
1025 }
1026 
1027 void TextNodeDumper::VisitObjCSelectorExpr(const ObjCSelectorExpr *Node) {
1028   OS << " ";
1029   Node->getSelector().print(OS);
1030 }
1031 
1032 void TextNodeDumper::VisitObjCProtocolExpr(const ObjCProtocolExpr *Node) {
1033   OS << ' ' << *Node->getProtocol();
1034 }
1035 
1036 void TextNodeDumper::VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr *Node) {
1037   if (Node->isImplicitProperty()) {
1038     OS << " Kind=MethodRef Getter=\"";
1039     if (Node->getImplicitPropertyGetter())
1040       Node->getImplicitPropertyGetter()->getSelector().print(OS);
1041     else
1042       OS << "(null)";
1043 
1044     OS << "\" Setter=\"";
1045     if (ObjCMethodDecl *Setter = Node->getImplicitPropertySetter())
1046       Setter->getSelector().print(OS);
1047     else
1048       OS << "(null)";
1049     OS << "\"";
1050   } else {
1051     OS << " Kind=PropertyRef Property=\"" << *Node->getExplicitProperty()
1052        << '"';
1053   }
1054 
1055   if (Node->isSuperReceiver())
1056     OS << " super";
1057 
1058   OS << " Messaging=";
1059   if (Node->isMessagingGetter() && Node->isMessagingSetter())
1060     OS << "Getter&Setter";
1061   else if (Node->isMessagingGetter())
1062     OS << "Getter";
1063   else if (Node->isMessagingSetter())
1064     OS << "Setter";
1065 }
1066 
1067 void TextNodeDumper::VisitObjCSubscriptRefExpr(
1068     const ObjCSubscriptRefExpr *Node) {
1069   if (Node->isArraySubscriptRefExpr())
1070     OS << " Kind=ArraySubscript GetterForArray=\"";
1071   else
1072     OS << " Kind=DictionarySubscript GetterForDictionary=\"";
1073   if (Node->getAtIndexMethodDecl())
1074     Node->getAtIndexMethodDecl()->getSelector().print(OS);
1075   else
1076     OS << "(null)";
1077 
1078   if (Node->isArraySubscriptRefExpr())
1079     OS << "\" SetterForArray=\"";
1080   else
1081     OS << "\" SetterForDictionary=\"";
1082   if (Node->setAtIndexMethodDecl())
1083     Node->setAtIndexMethodDecl()->getSelector().print(OS);
1084   else
1085     OS << "(null)";
1086 }
1087 
1088 void TextNodeDumper::VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr *Node) {
1089   OS << " " << (Node->getValue() ? "__objc_yes" : "__objc_no");
1090 }
1091 
1092 void TextNodeDumper::VisitOMPIteratorExpr(const OMPIteratorExpr *Node) {
1093   OS << " ";
1094   for (unsigned I = 0, E = Node->numOfIterators(); I < E; ++I) {
1095     Visit(Node->getIteratorDecl(I));
1096     OS << " = ";
1097     const OMPIteratorExpr::IteratorRange Range = Node->getIteratorRange(I);
1098     OS << " begin ";
1099     Visit(Range.Begin);
1100     OS << " end ";
1101     Visit(Range.End);
1102     if (Range.Step) {
1103       OS << " step ";
1104       Visit(Range.Step);
1105     }
1106   }
1107 }
1108 
1109 void TextNodeDumper::VisitRValueReferenceType(const ReferenceType *T) {
1110   if (T->isSpelledAsLValue())
1111     OS << " written as lvalue reference";
1112 }
1113 
1114 void TextNodeDumper::VisitArrayType(const ArrayType *T) {
1115   switch (T->getSizeModifier()) {
1116   case ArrayType::Normal:
1117     break;
1118   case ArrayType::Static:
1119     OS << " static";
1120     break;
1121   case ArrayType::Star:
1122     OS << " *";
1123     break;
1124   }
1125   OS << " " << T->getIndexTypeQualifiers().getAsString();
1126 }
1127 
1128 void TextNodeDumper::VisitConstantArrayType(const ConstantArrayType *T) {
1129   OS << " " << T->getSize();
1130   VisitArrayType(T);
1131 }
1132 
1133 void TextNodeDumper::VisitVariableArrayType(const VariableArrayType *T) {
1134   OS << " ";
1135   dumpSourceRange(T->getBracketsRange());
1136   VisitArrayType(T);
1137 }
1138 
1139 void TextNodeDumper::VisitDependentSizedArrayType(
1140     const DependentSizedArrayType *T) {
1141   VisitArrayType(T);
1142   OS << " ";
1143   dumpSourceRange(T->getBracketsRange());
1144 }
1145 
1146 void TextNodeDumper::VisitDependentSizedExtVectorType(
1147     const DependentSizedExtVectorType *T) {
1148   OS << " ";
1149   dumpLocation(T->getAttributeLoc());
1150 }
1151 
1152 void TextNodeDumper::VisitVectorType(const VectorType *T) {
1153   switch (T->getVectorKind()) {
1154   case VectorType::GenericVector:
1155     break;
1156   case VectorType::AltiVecVector:
1157     OS << " altivec";
1158     break;
1159   case VectorType::AltiVecPixel:
1160     OS << " altivec pixel";
1161     break;
1162   case VectorType::AltiVecBool:
1163     OS << " altivec bool";
1164     break;
1165   case VectorType::NeonVector:
1166     OS << " neon";
1167     break;
1168   case VectorType::NeonPolyVector:
1169     OS << " neon poly";
1170     break;
1171   }
1172   OS << " " << T->getNumElements();
1173 }
1174 
1175 void TextNodeDumper::VisitFunctionType(const FunctionType *T) {
1176   auto EI = T->getExtInfo();
1177   if (EI.getNoReturn())
1178     OS << " noreturn";
1179   if (EI.getProducesResult())
1180     OS << " produces_result";
1181   if (EI.getHasRegParm())
1182     OS << " regparm " << EI.getRegParm();
1183   OS << " " << FunctionType::getNameForCallConv(EI.getCC());
1184 }
1185 
1186 void TextNodeDumper::VisitFunctionProtoType(const FunctionProtoType *T) {
1187   auto EPI = T->getExtProtoInfo();
1188   if (EPI.HasTrailingReturn)
1189     OS << " trailing_return";
1190   if (T->isConst())
1191     OS << " const";
1192   if (T->isVolatile())
1193     OS << " volatile";
1194   if (T->isRestrict())
1195     OS << " restrict";
1196   if (T->getExtProtoInfo().Variadic)
1197     OS << " variadic";
1198   switch (EPI.RefQualifier) {
1199   case RQ_None:
1200     break;
1201   case RQ_LValue:
1202     OS << " &";
1203     break;
1204   case RQ_RValue:
1205     OS << " &&";
1206     break;
1207   }
1208   // FIXME: Exception specification.
1209   // FIXME: Consumed parameters.
1210   VisitFunctionType(T);
1211 }
1212 
1213 void TextNodeDumper::VisitUnresolvedUsingType(const UnresolvedUsingType *T) {
1214   dumpDeclRef(T->getDecl());
1215 }
1216 
1217 void TextNodeDumper::VisitTypedefType(const TypedefType *T) {
1218   dumpDeclRef(T->getDecl());
1219 }
1220 
1221 void TextNodeDumper::VisitUnaryTransformType(const UnaryTransformType *T) {
1222   switch (T->getUTTKind()) {
1223   case UnaryTransformType::EnumUnderlyingType:
1224     OS << " underlying_type";
1225     break;
1226   }
1227 }
1228 
1229 void TextNodeDumper::VisitTagType(const TagType *T) {
1230   dumpDeclRef(T->getDecl());
1231 }
1232 
1233 void TextNodeDumper::VisitTemplateTypeParmType(const TemplateTypeParmType *T) {
1234   OS << " depth " << T->getDepth() << " index " << T->getIndex();
1235   if (T->isParameterPack())
1236     OS << " pack";
1237   dumpDeclRef(T->getDecl());
1238 }
1239 
1240 void TextNodeDumper::VisitAutoType(const AutoType *T) {
1241   if (T->isDecltypeAuto())
1242     OS << " decltype(auto)";
1243   if (!T->isDeduced())
1244     OS << " undeduced";
1245   if (T->isConstrained()) {
1246     dumpDeclRef(T->getTypeConstraintConcept());
1247     for (const auto &Arg : T->getTypeConstraintArguments())
1248       VisitTemplateArgument(Arg);
1249   }
1250 }
1251 
1252 void TextNodeDumper::VisitTemplateSpecializationType(
1253     const TemplateSpecializationType *T) {
1254   if (T->isTypeAlias())
1255     OS << " alias";
1256   OS << " ";
1257   T->getTemplateName().dump(OS);
1258 }
1259 
1260 void TextNodeDumper::VisitInjectedClassNameType(
1261     const InjectedClassNameType *T) {
1262   dumpDeclRef(T->getDecl());
1263 }
1264 
1265 void TextNodeDumper::VisitObjCInterfaceType(const ObjCInterfaceType *T) {
1266   dumpDeclRef(T->getDecl());
1267 }
1268 
1269 void TextNodeDumper::VisitPackExpansionType(const PackExpansionType *T) {
1270   if (auto N = T->getNumExpansions())
1271     OS << " expansions " << *N;
1272 }
1273 
1274 void TextNodeDumper::VisitLabelDecl(const LabelDecl *D) { dumpName(D); }
1275 
1276 void TextNodeDumper::VisitTypedefDecl(const TypedefDecl *D) {
1277   dumpName(D);
1278   dumpType(D->getUnderlyingType());
1279   if (D->isModulePrivate())
1280     OS << " __module_private__";
1281 }
1282 
1283 void TextNodeDumper::VisitEnumDecl(const EnumDecl *D) {
1284   if (D->isScoped()) {
1285     if (D->isScopedUsingClassTag())
1286       OS << " class";
1287     else
1288       OS << " struct";
1289   }
1290   dumpName(D);
1291   if (D->isModulePrivate())
1292     OS << " __module_private__";
1293   if (D->isFixed())
1294     dumpType(D->getIntegerType());
1295 }
1296 
1297 void TextNodeDumper::VisitRecordDecl(const RecordDecl *D) {
1298   OS << ' ' << D->getKindName();
1299   dumpName(D);
1300   if (D->isModulePrivate())
1301     OS << " __module_private__";
1302   if (D->isCompleteDefinition())
1303     OS << " definition";
1304 }
1305 
1306 void TextNodeDumper::VisitEnumConstantDecl(const EnumConstantDecl *D) {
1307   dumpName(D);
1308   dumpType(D->getType());
1309 }
1310 
1311 void TextNodeDumper::VisitIndirectFieldDecl(const IndirectFieldDecl *D) {
1312   dumpName(D);
1313   dumpType(D->getType());
1314 
1315   for (const auto *Child : D->chain())
1316     dumpDeclRef(Child);
1317 }
1318 
1319 void TextNodeDumper::VisitFunctionDecl(const FunctionDecl *D) {
1320   dumpName(D);
1321   dumpType(D->getType());
1322 
1323   StorageClass SC = D->getStorageClass();
1324   if (SC != SC_None)
1325     OS << ' ' << VarDecl::getStorageClassSpecifierString(SC);
1326   if (D->isInlineSpecified())
1327     OS << " inline";
1328   if (D->isVirtualAsWritten())
1329     OS << " virtual";
1330   if (D->isModulePrivate())
1331     OS << " __module_private__";
1332 
1333   if (D->isPure())
1334     OS << " pure";
1335   if (D->isDefaulted()) {
1336     OS << " default";
1337     if (D->isDeleted())
1338       OS << "_delete";
1339   }
1340   if (D->isDeletedAsWritten())
1341     OS << " delete";
1342   if (D->isTrivial())
1343     OS << " trivial";
1344 
1345   if (const auto *FPT = D->getType()->getAs<FunctionProtoType>()) {
1346     FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo();
1347     switch (EPI.ExceptionSpec.Type) {
1348     default:
1349       break;
1350     case EST_Unevaluated:
1351       OS << " noexcept-unevaluated " << EPI.ExceptionSpec.SourceDecl;
1352       break;
1353     case EST_Uninstantiated:
1354       OS << " noexcept-uninstantiated " << EPI.ExceptionSpec.SourceTemplate;
1355       break;
1356     }
1357   }
1358 
1359   if (const auto *MD = dyn_cast<CXXMethodDecl>(D)) {
1360     if (MD->size_overridden_methods() != 0) {
1361       auto dumpOverride = [=](const CXXMethodDecl *D) {
1362         SplitQualType T_split = D->getType().split();
1363         OS << D << " " << D->getParent()->getName()
1364            << "::" << D->getNameAsString() << " '"
1365            << QualType::getAsString(T_split, PrintPolicy) << "'";
1366       };
1367 
1368       AddChild([=] {
1369         auto Overrides = MD->overridden_methods();
1370         OS << "Overrides: [ ";
1371         dumpOverride(*Overrides.begin());
1372         for (const auto *Override :
1373              llvm::make_range(Overrides.begin() + 1, Overrides.end())) {
1374           OS << ", ";
1375           dumpOverride(Override);
1376         }
1377         OS << " ]";
1378       });
1379     }
1380   }
1381 
1382   // Since NumParams comes from the FunctionProtoType of the FunctionDecl and
1383   // the Params are set later, it is possible for a dump during debugging to
1384   // encounter a FunctionDecl that has been created but hasn't been assigned
1385   // ParmVarDecls yet.
1386   if (!D->param_empty() && !D->param_begin())
1387     OS << " <<<NULL params x " << D->getNumParams() << ">>>";
1388 }
1389 
1390 void TextNodeDumper::VisitLifetimeExtendedTemporaryDecl(
1391     const LifetimeExtendedTemporaryDecl *D) {
1392   OS << " extended by ";
1393   dumpBareDeclRef(D->getExtendingDecl());
1394   OS << " mangling ";
1395   {
1396     ColorScope Color(OS, ShowColors, ValueColor);
1397     OS << D->getManglingNumber();
1398   }
1399 }
1400 
1401 void TextNodeDumper::VisitFieldDecl(const FieldDecl *D) {
1402   dumpName(D);
1403   dumpType(D->getType());
1404   if (D->isMutable())
1405     OS << " mutable";
1406   if (D->isModulePrivate())
1407     OS << " __module_private__";
1408 }
1409 
1410 void TextNodeDumper::VisitVarDecl(const VarDecl *D) {
1411   dumpName(D);
1412   dumpType(D->getType());
1413   StorageClass SC = D->getStorageClass();
1414   if (SC != SC_None)
1415     OS << ' ' << VarDecl::getStorageClassSpecifierString(SC);
1416   switch (D->getTLSKind()) {
1417   case VarDecl::TLS_None:
1418     break;
1419   case VarDecl::TLS_Static:
1420     OS << " tls";
1421     break;
1422   case VarDecl::TLS_Dynamic:
1423     OS << " tls_dynamic";
1424     break;
1425   }
1426   if (D->isModulePrivate())
1427     OS << " __module_private__";
1428   if (D->isNRVOVariable())
1429     OS << " nrvo";
1430   if (D->isInline())
1431     OS << " inline";
1432   if (D->isConstexpr())
1433     OS << " constexpr";
1434   if (D->hasInit()) {
1435     switch (D->getInitStyle()) {
1436     case VarDecl::CInit:
1437       OS << " cinit";
1438       break;
1439     case VarDecl::CallInit:
1440       OS << " callinit";
1441       break;
1442     case VarDecl::ListInit:
1443       OS << " listinit";
1444       break;
1445     }
1446   }
1447   if (D->needsDestruction(D->getASTContext()))
1448     OS << " destroyed";
1449   if (D->isParameterPack())
1450     OS << " pack";
1451 }
1452 
1453 void TextNodeDumper::VisitBindingDecl(const BindingDecl *D) {
1454   dumpName(D);
1455   dumpType(D->getType());
1456 }
1457 
1458 void TextNodeDumper::VisitCapturedDecl(const CapturedDecl *D) {
1459   if (D->isNothrow())
1460     OS << " nothrow";
1461 }
1462 
1463 void TextNodeDumper::VisitImportDecl(const ImportDecl *D) {
1464   OS << ' ' << D->getImportedModule()->getFullModuleName();
1465 
1466   for (Decl *InitD :
1467        D->getASTContext().getModuleInitializers(D->getImportedModule()))
1468     dumpDeclRef(InitD, "initializer");
1469 }
1470 
1471 void TextNodeDumper::VisitPragmaCommentDecl(const PragmaCommentDecl *D) {
1472   OS << ' ';
1473   switch (D->getCommentKind()) {
1474   case PCK_Unknown:
1475     llvm_unreachable("unexpected pragma comment kind");
1476   case PCK_Compiler:
1477     OS << "compiler";
1478     break;
1479   case PCK_ExeStr:
1480     OS << "exestr";
1481     break;
1482   case PCK_Lib:
1483     OS << "lib";
1484     break;
1485   case PCK_Linker:
1486     OS << "linker";
1487     break;
1488   case PCK_User:
1489     OS << "user";
1490     break;
1491   }
1492   StringRef Arg = D->getArg();
1493   if (!Arg.empty())
1494     OS << " \"" << Arg << "\"";
1495 }
1496 
1497 void TextNodeDumper::VisitPragmaDetectMismatchDecl(
1498     const PragmaDetectMismatchDecl *D) {
1499   OS << " \"" << D->getName() << "\" \"" << D->getValue() << "\"";
1500 }
1501 
1502 void TextNodeDumper::VisitOMPExecutableDirective(
1503     const OMPExecutableDirective *D) {
1504   if (D->isStandaloneDirective())
1505     OS << " openmp_standalone_directive";
1506 }
1507 
1508 void TextNodeDumper::VisitOMPDeclareReductionDecl(
1509     const OMPDeclareReductionDecl *D) {
1510   dumpName(D);
1511   dumpType(D->getType());
1512   OS << " combiner";
1513   dumpPointer(D->getCombiner());
1514   if (const auto *Initializer = D->getInitializer()) {
1515     OS << " initializer";
1516     dumpPointer(Initializer);
1517     switch (D->getInitializerKind()) {
1518     case OMPDeclareReductionDecl::DirectInit:
1519       OS << " omp_priv = ";
1520       break;
1521     case OMPDeclareReductionDecl::CopyInit:
1522       OS << " omp_priv ()";
1523       break;
1524     case OMPDeclareReductionDecl::CallInit:
1525       break;
1526     }
1527   }
1528 }
1529 
1530 void TextNodeDumper::VisitOMPRequiresDecl(const OMPRequiresDecl *D) {
1531   for (const auto *C : D->clauselists()) {
1532     AddChild([=] {
1533       if (!C) {
1534         ColorScope Color(OS, ShowColors, NullColor);
1535         OS << "<<<NULL>>> OMPClause";
1536         return;
1537       }
1538       {
1539         ColorScope Color(OS, ShowColors, AttrColor);
1540         StringRef ClauseName(
1541             llvm::omp::getOpenMPClauseName(C->getClauseKind()));
1542         OS << "OMP" << ClauseName.substr(/*Start=*/0, /*N=*/1).upper()
1543            << ClauseName.drop_front() << "Clause";
1544       }
1545       dumpPointer(C);
1546       dumpSourceRange(SourceRange(C->getBeginLoc(), C->getEndLoc()));
1547     });
1548   }
1549 }
1550 
1551 void TextNodeDumper::VisitOMPCapturedExprDecl(const OMPCapturedExprDecl *D) {
1552   dumpName(D);
1553   dumpType(D->getType());
1554 }
1555 
1556 void TextNodeDumper::VisitNamespaceDecl(const NamespaceDecl *D) {
1557   dumpName(D);
1558   if (D->isInline())
1559     OS << " inline";
1560   if (!D->isOriginalNamespace())
1561     dumpDeclRef(D->getOriginalNamespace(), "original");
1562 }
1563 
1564 void TextNodeDumper::VisitUsingDirectiveDecl(const UsingDirectiveDecl *D) {
1565   OS << ' ';
1566   dumpBareDeclRef(D->getNominatedNamespace());
1567 }
1568 
1569 void TextNodeDumper::VisitNamespaceAliasDecl(const NamespaceAliasDecl *D) {
1570   dumpName(D);
1571   dumpDeclRef(D->getAliasedNamespace());
1572 }
1573 
1574 void TextNodeDumper::VisitTypeAliasDecl(const TypeAliasDecl *D) {
1575   dumpName(D);
1576   dumpType(D->getUnderlyingType());
1577 }
1578 
1579 void TextNodeDumper::VisitTypeAliasTemplateDecl(
1580     const TypeAliasTemplateDecl *D) {
1581   dumpName(D);
1582 }
1583 
1584 void TextNodeDumper::VisitCXXRecordDecl(const CXXRecordDecl *D) {
1585   VisitRecordDecl(D);
1586   if (!D->isCompleteDefinition())
1587     return;
1588 
1589   AddChild([=] {
1590     {
1591       ColorScope Color(OS, ShowColors, DeclKindNameColor);
1592       OS << "DefinitionData";
1593     }
1594 #define FLAG(fn, name)                                                         \
1595   if (D->fn())                                                                 \
1596     OS << " " #name;
1597     FLAG(isParsingBaseSpecifiers, parsing_base_specifiers);
1598 
1599     FLAG(isGenericLambda, generic);
1600     FLAG(isLambda, lambda);
1601 
1602     FLAG(isAnonymousStructOrUnion, is_anonymous);
1603     FLAG(canPassInRegisters, pass_in_registers);
1604     FLAG(isEmpty, empty);
1605     FLAG(isAggregate, aggregate);
1606     FLAG(isStandardLayout, standard_layout);
1607     FLAG(isTriviallyCopyable, trivially_copyable);
1608     FLAG(isPOD, pod);
1609     FLAG(isTrivial, trivial);
1610     FLAG(isPolymorphic, polymorphic);
1611     FLAG(isAbstract, abstract);
1612     FLAG(isLiteral, literal);
1613 
1614     FLAG(hasUserDeclaredConstructor, has_user_declared_ctor);
1615     FLAG(hasConstexprNonCopyMoveConstructor, has_constexpr_non_copy_move_ctor);
1616     FLAG(hasMutableFields, has_mutable_fields);
1617     FLAG(hasVariantMembers, has_variant_members);
1618     FLAG(allowConstDefaultInit, can_const_default_init);
1619 
1620     AddChild([=] {
1621       {
1622         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1623         OS << "DefaultConstructor";
1624       }
1625       FLAG(hasDefaultConstructor, exists);
1626       FLAG(hasTrivialDefaultConstructor, trivial);
1627       FLAG(hasNonTrivialDefaultConstructor, non_trivial);
1628       FLAG(hasUserProvidedDefaultConstructor, user_provided);
1629       FLAG(hasConstexprDefaultConstructor, constexpr);
1630       FLAG(needsImplicitDefaultConstructor, needs_implicit);
1631       FLAG(defaultedDefaultConstructorIsConstexpr, defaulted_is_constexpr);
1632     });
1633 
1634     AddChild([=] {
1635       {
1636         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1637         OS << "CopyConstructor";
1638       }
1639       FLAG(hasSimpleCopyConstructor, simple);
1640       FLAG(hasTrivialCopyConstructor, trivial);
1641       FLAG(hasNonTrivialCopyConstructor, non_trivial);
1642       FLAG(hasUserDeclaredCopyConstructor, user_declared);
1643       FLAG(hasCopyConstructorWithConstParam, has_const_param);
1644       FLAG(needsImplicitCopyConstructor, needs_implicit);
1645       FLAG(needsOverloadResolutionForCopyConstructor,
1646            needs_overload_resolution);
1647       if (!D->needsOverloadResolutionForCopyConstructor())
1648         FLAG(defaultedCopyConstructorIsDeleted, defaulted_is_deleted);
1649       FLAG(implicitCopyConstructorHasConstParam, implicit_has_const_param);
1650     });
1651 
1652     AddChild([=] {
1653       {
1654         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1655         OS << "MoveConstructor";
1656       }
1657       FLAG(hasMoveConstructor, exists);
1658       FLAG(hasSimpleMoveConstructor, simple);
1659       FLAG(hasTrivialMoveConstructor, trivial);
1660       FLAG(hasNonTrivialMoveConstructor, non_trivial);
1661       FLAG(hasUserDeclaredMoveConstructor, user_declared);
1662       FLAG(needsImplicitMoveConstructor, needs_implicit);
1663       FLAG(needsOverloadResolutionForMoveConstructor,
1664            needs_overload_resolution);
1665       if (!D->needsOverloadResolutionForMoveConstructor())
1666         FLAG(defaultedMoveConstructorIsDeleted, defaulted_is_deleted);
1667     });
1668 
1669     AddChild([=] {
1670       {
1671         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1672         OS << "CopyAssignment";
1673       }
1674       FLAG(hasSimpleCopyAssignment, simple);
1675       FLAG(hasTrivialCopyAssignment, trivial);
1676       FLAG(hasNonTrivialCopyAssignment, non_trivial);
1677       FLAG(hasCopyAssignmentWithConstParam, has_const_param);
1678       FLAG(hasUserDeclaredCopyAssignment, user_declared);
1679       FLAG(needsImplicitCopyAssignment, needs_implicit);
1680       FLAG(needsOverloadResolutionForCopyAssignment, needs_overload_resolution);
1681       FLAG(implicitCopyAssignmentHasConstParam, implicit_has_const_param);
1682     });
1683 
1684     AddChild([=] {
1685       {
1686         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1687         OS << "MoveAssignment";
1688       }
1689       FLAG(hasMoveAssignment, exists);
1690       FLAG(hasSimpleMoveAssignment, simple);
1691       FLAG(hasTrivialMoveAssignment, trivial);
1692       FLAG(hasNonTrivialMoveAssignment, non_trivial);
1693       FLAG(hasUserDeclaredMoveAssignment, user_declared);
1694       FLAG(needsImplicitMoveAssignment, needs_implicit);
1695       FLAG(needsOverloadResolutionForMoveAssignment, needs_overload_resolution);
1696     });
1697 
1698     AddChild([=] {
1699       {
1700         ColorScope Color(OS, ShowColors, DeclKindNameColor);
1701         OS << "Destructor";
1702       }
1703       FLAG(hasSimpleDestructor, simple);
1704       FLAG(hasIrrelevantDestructor, irrelevant);
1705       FLAG(hasTrivialDestructor, trivial);
1706       FLAG(hasNonTrivialDestructor, non_trivial);
1707       FLAG(hasUserDeclaredDestructor, user_declared);
1708       FLAG(hasConstexprDestructor, constexpr);
1709       FLAG(needsImplicitDestructor, needs_implicit);
1710       FLAG(needsOverloadResolutionForDestructor, needs_overload_resolution);
1711       if (!D->needsOverloadResolutionForDestructor())
1712         FLAG(defaultedDestructorIsDeleted, defaulted_is_deleted);
1713     });
1714   });
1715 
1716   for (const auto &I : D->bases()) {
1717     AddChild([=] {
1718       if (I.isVirtual())
1719         OS << "virtual ";
1720       dumpAccessSpecifier(I.getAccessSpecifier());
1721       dumpType(I.getType());
1722       if (I.isPackExpansion())
1723         OS << "...";
1724     });
1725   }
1726 }
1727 
1728 void TextNodeDumper::VisitFunctionTemplateDecl(const FunctionTemplateDecl *D) {
1729   dumpName(D);
1730 }
1731 
1732 void TextNodeDumper::VisitClassTemplateDecl(const ClassTemplateDecl *D) {
1733   dumpName(D);
1734 }
1735 
1736 void TextNodeDumper::VisitVarTemplateDecl(const VarTemplateDecl *D) {
1737   dumpName(D);
1738 }
1739 
1740 void TextNodeDumper::VisitBuiltinTemplateDecl(const BuiltinTemplateDecl *D) {
1741   dumpName(D);
1742 }
1743 
1744 void TextNodeDumper::VisitTemplateTypeParmDecl(const TemplateTypeParmDecl *D) {
1745   if (const auto *TC = D->getTypeConstraint()) {
1746     OS << " ";
1747     dumpBareDeclRef(TC->getNamedConcept());
1748     if (TC->getNamedConcept() != TC->getFoundDecl()) {
1749       OS << " (";
1750       dumpBareDeclRef(TC->getFoundDecl());
1751       OS << ")";
1752     }
1753     Visit(TC->getImmediatelyDeclaredConstraint());
1754   } else if (D->wasDeclaredWithTypename())
1755     OS << " typename";
1756   else
1757     OS << " class";
1758   OS << " depth " << D->getDepth() << " index " << D->getIndex();
1759   if (D->isParameterPack())
1760     OS << " ...";
1761   dumpName(D);
1762 }
1763 
1764 void TextNodeDumper::VisitNonTypeTemplateParmDecl(
1765     const NonTypeTemplateParmDecl *D) {
1766   dumpType(D->getType());
1767   OS << " depth " << D->getDepth() << " index " << D->getIndex();
1768   if (D->isParameterPack())
1769     OS << " ...";
1770   dumpName(D);
1771 }
1772 
1773 void TextNodeDumper::VisitTemplateTemplateParmDecl(
1774     const TemplateTemplateParmDecl *D) {
1775   OS << " depth " << D->getDepth() << " index " << D->getIndex();
1776   if (D->isParameterPack())
1777     OS << " ...";
1778   dumpName(D);
1779 }
1780 
1781 void TextNodeDumper::VisitUsingDecl(const UsingDecl *D) {
1782   OS << ' ';
1783   if (D->getQualifier())
1784     D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
1785   OS << D->getNameAsString();
1786 }
1787 
1788 void TextNodeDumper::VisitUnresolvedUsingTypenameDecl(
1789     const UnresolvedUsingTypenameDecl *D) {
1790   OS << ' ';
1791   if (D->getQualifier())
1792     D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
1793   OS << D->getNameAsString();
1794 }
1795 
1796 void TextNodeDumper::VisitUnresolvedUsingValueDecl(
1797     const UnresolvedUsingValueDecl *D) {
1798   OS << ' ';
1799   if (D->getQualifier())
1800     D->getQualifier()->print(OS, D->getASTContext().getPrintingPolicy());
1801   OS << D->getNameAsString();
1802   dumpType(D->getType());
1803 }
1804 
1805 void TextNodeDumper::VisitUsingShadowDecl(const UsingShadowDecl *D) {
1806   OS << ' ';
1807   dumpBareDeclRef(D->getTargetDecl());
1808 }
1809 
1810 void TextNodeDumper::VisitConstructorUsingShadowDecl(
1811     const ConstructorUsingShadowDecl *D) {
1812   if (D->constructsVirtualBase())
1813     OS << " virtual";
1814 
1815   AddChild([=] {
1816     OS << "target ";
1817     dumpBareDeclRef(D->getTargetDecl());
1818   });
1819 
1820   AddChild([=] {
1821     OS << "nominated ";
1822     dumpBareDeclRef(D->getNominatedBaseClass());
1823     OS << ' ';
1824     dumpBareDeclRef(D->getNominatedBaseClassShadowDecl());
1825   });
1826 
1827   AddChild([=] {
1828     OS << "constructed ";
1829     dumpBareDeclRef(D->getConstructedBaseClass());
1830     OS << ' ';
1831     dumpBareDeclRef(D->getConstructedBaseClassShadowDecl());
1832   });
1833 }
1834 
1835 void TextNodeDumper::VisitLinkageSpecDecl(const LinkageSpecDecl *D) {
1836   switch (D->getLanguage()) {
1837   case LinkageSpecDecl::lang_c:
1838     OS << " C";
1839     break;
1840   case LinkageSpecDecl::lang_cxx:
1841     OS << " C++";
1842     break;
1843   }
1844 }
1845 
1846 void TextNodeDumper::VisitAccessSpecDecl(const AccessSpecDecl *D) {
1847   OS << ' ';
1848   dumpAccessSpecifier(D->getAccess());
1849 }
1850 
1851 void TextNodeDumper::VisitFriendDecl(const FriendDecl *D) {
1852   if (TypeSourceInfo *T = D->getFriendType())
1853     dumpType(T->getType());
1854 }
1855 
1856 void TextNodeDumper::VisitObjCIvarDecl(const ObjCIvarDecl *D) {
1857   dumpName(D);
1858   dumpType(D->getType());
1859   if (D->getSynthesize())
1860     OS << " synthesize";
1861 
1862   switch (D->getAccessControl()) {
1863   case ObjCIvarDecl::None:
1864     OS << " none";
1865     break;
1866   case ObjCIvarDecl::Private:
1867     OS << " private";
1868     break;
1869   case ObjCIvarDecl::Protected:
1870     OS << " protected";
1871     break;
1872   case ObjCIvarDecl::Public:
1873     OS << " public";
1874     break;
1875   case ObjCIvarDecl::Package:
1876     OS << " package";
1877     break;
1878   }
1879 }
1880 
1881 void TextNodeDumper::VisitObjCMethodDecl(const ObjCMethodDecl *D) {
1882   if (D->isInstanceMethod())
1883     OS << " -";
1884   else
1885     OS << " +";
1886   dumpName(D);
1887   dumpType(D->getReturnType());
1888 
1889   if (D->isVariadic())
1890     OS << " variadic";
1891 }
1892 
1893 void TextNodeDumper::VisitObjCTypeParamDecl(const ObjCTypeParamDecl *D) {
1894   dumpName(D);
1895   switch (D->getVariance()) {
1896   case ObjCTypeParamVariance::Invariant:
1897     break;
1898 
1899   case ObjCTypeParamVariance::Covariant:
1900     OS << " covariant";
1901     break;
1902 
1903   case ObjCTypeParamVariance::Contravariant:
1904     OS << " contravariant";
1905     break;
1906   }
1907 
1908   if (D->hasExplicitBound())
1909     OS << " bounded";
1910   dumpType(D->getUnderlyingType());
1911 }
1912 
1913 void TextNodeDumper::VisitObjCCategoryDecl(const ObjCCategoryDecl *D) {
1914   dumpName(D);
1915   dumpDeclRef(D->getClassInterface());
1916   dumpDeclRef(D->getImplementation());
1917   for (const auto *P : D->protocols())
1918     dumpDeclRef(P);
1919 }
1920 
1921 void TextNodeDumper::VisitObjCCategoryImplDecl(const ObjCCategoryImplDecl *D) {
1922   dumpName(D);
1923   dumpDeclRef(D->getClassInterface());
1924   dumpDeclRef(D->getCategoryDecl());
1925 }
1926 
1927 void TextNodeDumper::VisitObjCProtocolDecl(const ObjCProtocolDecl *D) {
1928   dumpName(D);
1929 
1930   for (const auto *Child : D->protocols())
1931     dumpDeclRef(Child);
1932 }
1933 
1934 void TextNodeDumper::VisitObjCInterfaceDecl(const ObjCInterfaceDecl *D) {
1935   dumpName(D);
1936   dumpDeclRef(D->getSuperClass(), "super");
1937 
1938   dumpDeclRef(D->getImplementation());
1939   for (const auto *Child : D->protocols())
1940     dumpDeclRef(Child);
1941 }
1942 
1943 void TextNodeDumper::VisitObjCImplementationDecl(
1944     const ObjCImplementationDecl *D) {
1945   dumpName(D);
1946   dumpDeclRef(D->getSuperClass(), "super");
1947   dumpDeclRef(D->getClassInterface());
1948 }
1949 
1950 void TextNodeDumper::VisitObjCCompatibleAliasDecl(
1951     const ObjCCompatibleAliasDecl *D) {
1952   dumpName(D);
1953   dumpDeclRef(D->getClassInterface());
1954 }
1955 
1956 void TextNodeDumper::VisitObjCPropertyDecl(const ObjCPropertyDecl *D) {
1957   dumpName(D);
1958   dumpType(D->getType());
1959 
1960   if (D->getPropertyImplementation() == ObjCPropertyDecl::Required)
1961     OS << " required";
1962   else if (D->getPropertyImplementation() == ObjCPropertyDecl::Optional)
1963     OS << " optional";
1964 
1965   ObjCPropertyAttribute::Kind Attrs = D->getPropertyAttributes();
1966   if (Attrs != ObjCPropertyAttribute::kind_noattr) {
1967     if (Attrs & ObjCPropertyAttribute::kind_readonly)
1968       OS << " readonly";
1969     if (Attrs & ObjCPropertyAttribute::kind_assign)
1970       OS << " assign";
1971     if (Attrs & ObjCPropertyAttribute::kind_readwrite)
1972       OS << " readwrite";
1973     if (Attrs & ObjCPropertyAttribute::kind_retain)
1974       OS << " retain";
1975     if (Attrs & ObjCPropertyAttribute::kind_copy)
1976       OS << " copy";
1977     if (Attrs & ObjCPropertyAttribute::kind_nonatomic)
1978       OS << " nonatomic";
1979     if (Attrs & ObjCPropertyAttribute::kind_atomic)
1980       OS << " atomic";
1981     if (Attrs & ObjCPropertyAttribute::kind_weak)
1982       OS << " weak";
1983     if (Attrs & ObjCPropertyAttribute::kind_strong)
1984       OS << " strong";
1985     if (Attrs & ObjCPropertyAttribute::kind_unsafe_unretained)
1986       OS << " unsafe_unretained";
1987     if (Attrs & ObjCPropertyAttribute::kind_class)
1988       OS << " class";
1989     if (Attrs & ObjCPropertyAttribute::kind_direct)
1990       OS << " direct";
1991     if (Attrs & ObjCPropertyAttribute::kind_getter)
1992       dumpDeclRef(D->getGetterMethodDecl(), "getter");
1993     if (Attrs & ObjCPropertyAttribute::kind_setter)
1994       dumpDeclRef(D->getSetterMethodDecl(), "setter");
1995   }
1996 }
1997 
1998 void TextNodeDumper::VisitObjCPropertyImplDecl(const ObjCPropertyImplDecl *D) {
1999   dumpName(D->getPropertyDecl());
2000   if (D->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize)
2001     OS << " synthesize";
2002   else
2003     OS << " dynamic";
2004   dumpDeclRef(D->getPropertyDecl());
2005   dumpDeclRef(D->getPropertyIvarDecl());
2006 }
2007 
2008 void TextNodeDumper::VisitBlockDecl(const BlockDecl *D) {
2009   if (D->isVariadic())
2010     OS << " variadic";
2011 
2012   if (D->capturesCXXThis())
2013     OS << " captures_this";
2014 }
2015 
2016 void TextNodeDumper::VisitConceptDecl(const ConceptDecl *D) {
2017   dumpName(D);
2018 }
2019