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