1 #include "clang/AST/JSONNodeDumper.h"
2 #include "clang/Lex/Lexer.h"
3 #include "llvm/ADT/StringSwitch.h"
4 
5 using namespace clang;
6 
7 void JSONNodeDumper::addPreviousDeclaration(const Decl *D) {
8   switch (D->getKind()) {
9 #define DECL(DERIVED, BASE)                                                    \
10   case Decl::DERIVED:                                                          \
11     return writePreviousDeclImpl(cast<DERIVED##Decl>(D));
12 #define ABSTRACT_DECL(DECL)
13 #include "clang/AST/DeclNodes.inc"
14 #undef ABSTRACT_DECL
15 #undef DECL
16   }
17   llvm_unreachable("Decl that isn't part of DeclNodes.inc!");
18 }
19 
20 void JSONNodeDumper::Visit(const Attr *A) {
21   const char *AttrName = nullptr;
22   switch (A->getKind()) {
23 #define ATTR(X)                                                                \
24   case attr::X:                                                                \
25     AttrName = #X"Attr";                                                       \
26     break;
27 #include "clang/Basic/AttrList.inc"
28 #undef ATTR
29   }
30   JOS.attribute("id", createPointerRepresentation(A));
31   JOS.attribute("kind", AttrName);
32   JOS.attributeObject("range", [A, this] { writeSourceRange(A->getRange()); });
33   attributeOnlyIfTrue("inherited", A->isInherited());
34   attributeOnlyIfTrue("implicit", A->isImplicit());
35 
36   // FIXME: it would be useful for us to output the spelling kind as well as
37   // the actual spelling. This would allow us to distinguish between the
38   // various attribute syntaxes, but we don't currently track that information
39   // within the AST.
40   //JOS.attribute("spelling", A->getSpelling());
41 
42   InnerAttrVisitor::Visit(A);
43 }
44 
45 void JSONNodeDumper::Visit(const Stmt *S) {
46   if (!S)
47     return;
48 
49   JOS.attribute("id", createPointerRepresentation(S));
50   JOS.attribute("kind", S->getStmtClassName());
51   JOS.attributeObject("range",
52                       [S, this] { writeSourceRange(S->getSourceRange()); });
53 
54   if (const auto *E = dyn_cast<Expr>(S)) {
55     JOS.attribute("type", createQualType(E->getType()));
56     const char *Category = nullptr;
57     switch (E->getValueKind()) {
58     case VK_LValue: Category = "lvalue"; break;
59     case VK_XValue: Category = "xvalue"; break;
60     case VK_RValue: Category = "rvalue"; break;
61     }
62     JOS.attribute("valueCategory", Category);
63   }
64   InnerStmtVisitor::Visit(S);
65 }
66 
67 void JSONNodeDumper::Visit(const Type *T) {
68   JOS.attribute("id", createPointerRepresentation(T));
69   JOS.attribute("kind", (llvm::Twine(T->getTypeClassName()) + "Type").str());
70   JOS.attribute("type", createQualType(QualType(T, 0), /*Desugar*/ false));
71   attributeOnlyIfTrue("isDependent", T->isDependentType());
72   attributeOnlyIfTrue("isInstantiationDependent",
73                       T->isInstantiationDependentType());
74   attributeOnlyIfTrue("isVariablyModified", T->isVariablyModifiedType());
75   attributeOnlyIfTrue("containsUnexpandedPack",
76                       T->containsUnexpandedParameterPack());
77   attributeOnlyIfTrue("isImported", T->isFromAST());
78   InnerTypeVisitor::Visit(T);
79 }
80 
81 void JSONNodeDumper::Visit(QualType T) {
82   JOS.attribute("id", createPointerRepresentation(T.getAsOpaquePtr()));
83   JOS.attribute("kind", "QualType");
84   JOS.attribute("type", createQualType(T));
85   JOS.attribute("qualifiers", T.split().Quals.getAsString());
86 }
87 
88 void JSONNodeDumper::Visit(const Decl *D) {
89   JOS.attribute("id", createPointerRepresentation(D));
90 
91   if (!D)
92     return;
93 
94   JOS.attribute("kind", (llvm::Twine(D->getDeclKindName()) + "Decl").str());
95   JOS.attributeObject("loc",
96                       [D, this] { writeSourceLocation(D->getLocation()); });
97   JOS.attributeObject("range",
98                       [D, this] { writeSourceRange(D->getSourceRange()); });
99   attributeOnlyIfTrue("isImplicit", D->isImplicit());
100   attributeOnlyIfTrue("isInvalid", D->isInvalidDecl());
101 
102   if (D->isUsed())
103     JOS.attribute("isUsed", true);
104   else if (D->isThisDeclarationReferenced())
105     JOS.attribute("isReferenced", true);
106 
107   if (const auto *ND = dyn_cast<NamedDecl>(D))
108     attributeOnlyIfTrue("isHidden", ND->isHidden());
109 
110   if (D->getLexicalDeclContext() != D->getDeclContext())
111     JOS.attribute("parentDeclContext",
112                   createPointerRepresentation(D->getDeclContext()));
113 
114   addPreviousDeclaration(D);
115   InnerDeclVisitor::Visit(D);
116 }
117 
118 void JSONNodeDumper::Visit(const comments::Comment *C,
119                            const comments::FullComment *FC) {
120   if (!C)
121     return;
122 
123   JOS.attribute("id", createPointerRepresentation(C));
124   JOS.attribute("kind", C->getCommentKindName());
125   JOS.attributeObject("loc",
126                       [C, this] { writeSourceLocation(C->getLocation()); });
127   JOS.attributeObject("range",
128                       [C, this] { writeSourceRange(C->getSourceRange()); });
129 
130   InnerCommentVisitor::visit(C, FC);
131 }
132 
133 void JSONNodeDumper::Visit(const TemplateArgument &TA, SourceRange R,
134                            const Decl *From, StringRef Label) {
135   JOS.attribute("kind", "TemplateArgument");
136   if (R.isValid())
137     JOS.attributeObject("range", [R, this] { writeSourceRange(R); });
138 
139   if (From)
140     JOS.attribute(Label.empty() ? "fromDecl" : Label, createBareDeclRef(From));
141 
142   InnerTemplateArgVisitor::Visit(TA);
143 }
144 
145 void JSONNodeDumper::Visit(const CXXCtorInitializer *Init) {
146   JOS.attribute("kind", "CXXCtorInitializer");
147   if (Init->isAnyMemberInitializer())
148     JOS.attribute("anyInit", createBareDeclRef(Init->getAnyMember()));
149   else if (Init->isBaseInitializer())
150     JOS.attribute("baseInit",
151                   createQualType(QualType(Init->getBaseClass(), 0)));
152   else if (Init->isDelegatingInitializer())
153     JOS.attribute("delegatingInit",
154                   createQualType(Init->getTypeSourceInfo()->getType()));
155   else
156     llvm_unreachable("Unknown initializer type");
157 }
158 
159 void JSONNodeDumper::Visit(const OMPClause *C) {}
160 
161 void JSONNodeDumper::Visit(const BlockDecl::Capture &C) {
162   JOS.attribute("kind", "Capture");
163   attributeOnlyIfTrue("byref", C.isByRef());
164   attributeOnlyIfTrue("nested", C.isNested());
165   if (C.getVariable())
166     JOS.attribute("var", createBareDeclRef(C.getVariable()));
167 }
168 
169 void JSONNodeDumper::Visit(const GenericSelectionExpr::ConstAssociation &A) {
170   JOS.attribute("associationKind", A.getTypeSourceInfo() ? "case" : "default");
171   attributeOnlyIfTrue("selected", A.isSelected());
172 }
173 
174 void JSONNodeDumper::writeBareSourceLocation(SourceLocation Loc) {
175   PresumedLoc Presumed = SM.getPresumedLoc(Loc);
176 
177   if (Presumed.isValid()) {
178     if (LastLocFilename != Presumed.getFilename()) {
179       JOS.attribute("file", Presumed.getFilename());
180       JOS.attribute("line", Presumed.getLine());
181     } else if (LastLocLine != Presumed.getLine())
182       JOS.attribute("line", Presumed.getLine());
183     JOS.attribute("col", Presumed.getColumn());
184     JOS.attribute("tokLen",
185                   Lexer::MeasureTokenLength(Loc, SM, Ctx.getLangOpts()));
186     LastLocFilename = Presumed.getFilename();
187     LastLocLine = Presumed.getLine();
188   }
189 }
190 
191 void JSONNodeDumper::writeSourceLocation(SourceLocation Loc) {
192   SourceLocation Spelling = SM.getSpellingLoc(Loc);
193   SourceLocation Expansion = SM.getExpansionLoc(Loc);
194 
195   if (Expansion != Spelling) {
196     // If the expansion and the spelling are different, output subobjects
197     // describing both locations.
198     JOS.attributeObject(
199         "spellingLoc", [Spelling, this] { writeBareSourceLocation(Spelling); });
200     JOS.attributeObject("expansionLoc", [Expansion, Loc, this] {
201       writeBareSourceLocation(Expansion);
202       // If there is a macro expansion, add extra information if the interesting
203       // bit is the macro arg expansion.
204       if (SM.isMacroArgExpansion(Loc))
205         JOS.attribute("isMacroArgExpansion", true);
206     });
207   } else
208     writeBareSourceLocation(Spelling);
209 }
210 
211 void JSONNodeDumper::writeSourceRange(SourceRange R) {
212   JOS.attributeObject("begin",
213                       [R, this] { writeSourceLocation(R.getBegin()); });
214   JOS.attributeObject("end", [R, this] { writeSourceLocation(R.getEnd()); });
215 }
216 
217 std::string JSONNodeDumper::createPointerRepresentation(const void *Ptr) {
218   // Because JSON stores integer values as signed 64-bit integers, trying to
219   // represent them as such makes for very ugly pointer values in the resulting
220   // output. Instead, we convert the value to hex and treat it as a string.
221   return "0x" + llvm::utohexstr(reinterpret_cast<uint64_t>(Ptr), true);
222 }
223 
224 llvm::json::Object JSONNodeDumper::createQualType(QualType QT, bool Desugar) {
225   SplitQualType SQT = QT.split();
226   llvm::json::Object Ret{{"qualType", QualType::getAsString(SQT, PrintPolicy)}};
227 
228   if (Desugar && !QT.isNull()) {
229     SplitQualType DSQT = QT.getSplitDesugaredType();
230     if (DSQT != SQT)
231       Ret["desugaredQualType"] = QualType::getAsString(DSQT, PrintPolicy);
232   }
233   return Ret;
234 }
235 
236 void JSONNodeDumper::writeBareDeclRef(const Decl *D) {
237   JOS.attribute("id", createPointerRepresentation(D));
238   if (!D)
239     return;
240 
241   JOS.attribute("kind", (llvm::Twine(D->getDeclKindName()) + "Decl").str());
242   if (const auto *ND = dyn_cast<NamedDecl>(D))
243     JOS.attribute("name", ND->getDeclName().getAsString());
244   if (const auto *VD = dyn_cast<ValueDecl>(D))
245     JOS.attribute("type", createQualType(VD->getType()));
246 }
247 
248 llvm::json::Object JSONNodeDumper::createBareDeclRef(const Decl *D) {
249   llvm::json::Object Ret{{"id", createPointerRepresentation(D)}};
250   if (!D)
251     return Ret;
252 
253   Ret["kind"] = (llvm::Twine(D->getDeclKindName()) + "Decl").str();
254   if (const auto *ND = dyn_cast<NamedDecl>(D))
255     Ret["name"] = ND->getDeclName().getAsString();
256   if (const auto *VD = dyn_cast<ValueDecl>(D))
257     Ret["type"] = createQualType(VD->getType());
258   return Ret;
259 }
260 
261 llvm::json::Array JSONNodeDumper::createCastPath(const CastExpr *C) {
262   llvm::json::Array Ret;
263   if (C->path_empty())
264     return Ret;
265 
266   for (auto I = C->path_begin(), E = C->path_end(); I != E; ++I) {
267     const CXXBaseSpecifier *Base = *I;
268     const auto *RD =
269         cast<CXXRecordDecl>(Base->getType()->getAs<RecordType>()->getDecl());
270 
271     llvm::json::Object Val{{"name", RD->getName()}};
272     if (Base->isVirtual())
273       Val["isVirtual"] = true;
274     Ret.push_back(std::move(Val));
275   }
276   return Ret;
277 }
278 
279 #define FIELD2(Name, Flag)  if (RD->Flag()) Ret[Name] = true
280 #define FIELD1(Flag)        FIELD2(#Flag, Flag)
281 
282 static llvm::json::Object
283 createDefaultConstructorDefinitionData(const CXXRecordDecl *RD) {
284   llvm::json::Object Ret;
285 
286   FIELD2("exists", hasDefaultConstructor);
287   FIELD2("trivial", hasTrivialDefaultConstructor);
288   FIELD2("nonTrivial", hasNonTrivialDefaultConstructor);
289   FIELD2("userProvided", hasUserProvidedDefaultConstructor);
290   FIELD2("isConstexpr", hasConstexprDefaultConstructor);
291   FIELD2("needsImplicit", needsImplicitDefaultConstructor);
292   FIELD2("defaultedIsConstexpr", defaultedDefaultConstructorIsConstexpr);
293 
294   return Ret;
295 }
296 
297 static llvm::json::Object
298 createCopyConstructorDefinitionData(const CXXRecordDecl *RD) {
299   llvm::json::Object Ret;
300 
301   FIELD2("simple", hasSimpleCopyConstructor);
302   FIELD2("trivial", hasTrivialCopyConstructor);
303   FIELD2("nonTrivial", hasNonTrivialCopyConstructor);
304   FIELD2("userDeclared", hasUserDeclaredCopyConstructor);
305   FIELD2("hasConstParam", hasCopyConstructorWithConstParam);
306   FIELD2("implicitHasConstParam", implicitCopyConstructorHasConstParam);
307   FIELD2("needsImplicit", needsImplicitCopyConstructor);
308   FIELD2("needsOverloadResolution", needsOverloadResolutionForCopyConstructor);
309   if (!RD->needsOverloadResolutionForCopyConstructor())
310     FIELD2("defaultedIsDeleted", defaultedCopyConstructorIsDeleted);
311 
312   return Ret;
313 }
314 
315 static llvm::json::Object
316 createMoveConstructorDefinitionData(const CXXRecordDecl *RD) {
317   llvm::json::Object Ret;
318 
319   FIELD2("exists", hasMoveConstructor);
320   FIELD2("simple", hasSimpleMoveConstructor);
321   FIELD2("trivial", hasTrivialMoveConstructor);
322   FIELD2("nonTrivial", hasNonTrivialMoveConstructor);
323   FIELD2("userDeclared", hasUserDeclaredMoveConstructor);
324   FIELD2("needsImplicit", needsImplicitMoveConstructor);
325   FIELD2("needsOverloadResolution", needsOverloadResolutionForMoveConstructor);
326   if (!RD->needsOverloadResolutionForMoveConstructor())
327     FIELD2("defaultedIsDeleted", defaultedMoveConstructorIsDeleted);
328 
329   return Ret;
330 }
331 
332 static llvm::json::Object
333 createCopyAssignmentDefinitionData(const CXXRecordDecl *RD) {
334   llvm::json::Object Ret;
335 
336   FIELD2("trivial", hasTrivialCopyAssignment);
337   FIELD2("nonTrivial", hasNonTrivialCopyAssignment);
338   FIELD2("hasConstParam", hasCopyAssignmentWithConstParam);
339   FIELD2("implicitHasConstParam", implicitCopyAssignmentHasConstParam);
340   FIELD2("userDeclared", hasUserDeclaredCopyAssignment);
341   FIELD2("needsImplicit", needsImplicitCopyAssignment);
342   FIELD2("needsOverloadResolution", needsOverloadResolutionForCopyAssignment);
343 
344   return Ret;
345 }
346 
347 static llvm::json::Object
348 createMoveAssignmentDefinitionData(const CXXRecordDecl *RD) {
349   llvm::json::Object Ret;
350 
351   FIELD2("exists", hasMoveAssignment);
352   FIELD2("simple", hasSimpleMoveAssignment);
353   FIELD2("trivial", hasTrivialMoveAssignment);
354   FIELD2("nonTrivial", hasNonTrivialMoveAssignment);
355   FIELD2("userDeclared", hasUserDeclaredMoveAssignment);
356   FIELD2("needsImplicit", needsImplicitMoveAssignment);
357   FIELD2("needsOverloadResolution", needsOverloadResolutionForMoveAssignment);
358 
359   return Ret;
360 }
361 
362 static llvm::json::Object
363 createDestructorDefinitionData(const CXXRecordDecl *RD) {
364   llvm::json::Object Ret;
365 
366   FIELD2("simple", hasSimpleDestructor);
367   FIELD2("irrelevant", hasIrrelevantDestructor);
368   FIELD2("trivial", hasTrivialDestructor);
369   FIELD2("nonTrivial", hasNonTrivialDestructor);
370   FIELD2("userDeclared", hasUserDeclaredDestructor);
371   FIELD2("needsImplicit", needsImplicitDestructor);
372   FIELD2("needsOverloadResolution", needsOverloadResolutionForDestructor);
373   if (!RD->needsOverloadResolutionForDestructor())
374     FIELD2("defaultedIsDeleted", defaultedDestructorIsDeleted);
375 
376   return Ret;
377 }
378 
379 llvm::json::Object
380 JSONNodeDumper::createCXXRecordDefinitionData(const CXXRecordDecl *RD) {
381   llvm::json::Object Ret;
382 
383   // This data is common to all C++ classes.
384   FIELD1(isGenericLambda);
385   FIELD1(isLambda);
386   FIELD1(isEmpty);
387   FIELD1(isAggregate);
388   FIELD1(isStandardLayout);
389   FIELD1(isTriviallyCopyable);
390   FIELD1(isPOD);
391   FIELD1(isTrivial);
392   FIELD1(isPolymorphic);
393   FIELD1(isAbstract);
394   FIELD1(isLiteral);
395   FIELD1(canPassInRegisters);
396   FIELD1(hasUserDeclaredConstructor);
397   FIELD1(hasConstexprNonCopyMoveConstructor);
398   FIELD1(hasMutableFields);
399   FIELD1(hasVariantMembers);
400   FIELD2("canConstDefaultInit", allowConstDefaultInit);
401 
402   Ret["defaultCtor"] = createDefaultConstructorDefinitionData(RD);
403   Ret["copyCtor"] = createCopyConstructorDefinitionData(RD);
404   Ret["moveCtor"] = createMoveConstructorDefinitionData(RD);
405   Ret["copyAssign"] = createCopyAssignmentDefinitionData(RD);
406   Ret["moveAssign"] = createMoveAssignmentDefinitionData(RD);
407   Ret["dtor"] = createDestructorDefinitionData(RD);
408 
409   return Ret;
410 }
411 
412 #undef FIELD1
413 #undef FIELD2
414 
415 std::string JSONNodeDumper::createAccessSpecifier(AccessSpecifier AS) {
416   switch (AS) {
417   case AS_none: return "none";
418   case AS_private: return "private";
419   case AS_protected: return "protected";
420   case AS_public: return "public";
421   }
422   llvm_unreachable("Unknown access specifier");
423 }
424 
425 llvm::json::Object
426 JSONNodeDumper::createCXXBaseSpecifier(const CXXBaseSpecifier &BS) {
427   llvm::json::Object Ret;
428 
429   Ret["type"] = createQualType(BS.getType());
430   Ret["access"] = createAccessSpecifier(BS.getAccessSpecifier());
431   Ret["writtenAccess"] =
432       createAccessSpecifier(BS.getAccessSpecifierAsWritten());
433   if (BS.isVirtual())
434     Ret["isVirtual"] = true;
435   if (BS.isPackExpansion())
436     Ret["isPackExpansion"] = true;
437 
438   return Ret;
439 }
440 
441 void JSONNodeDumper::VisitTypedefType(const TypedefType *TT) {
442   JOS.attribute("decl", createBareDeclRef(TT->getDecl()));
443 }
444 
445 void JSONNodeDumper::VisitFunctionType(const FunctionType *T) {
446   FunctionType::ExtInfo E = T->getExtInfo();
447   attributeOnlyIfTrue("noreturn", E.getNoReturn());
448   attributeOnlyIfTrue("producesResult", E.getProducesResult());
449   if (E.getHasRegParm())
450     JOS.attribute("regParm", E.getRegParm());
451   JOS.attribute("cc", FunctionType::getNameForCallConv(E.getCC()));
452 }
453 
454 void JSONNodeDumper::VisitFunctionProtoType(const FunctionProtoType *T) {
455   FunctionProtoType::ExtProtoInfo E = T->getExtProtoInfo();
456   attributeOnlyIfTrue("trailingReturn", E.HasTrailingReturn);
457   attributeOnlyIfTrue("const", T->isConst());
458   attributeOnlyIfTrue("volatile", T->isVolatile());
459   attributeOnlyIfTrue("restrict", T->isRestrict());
460   attributeOnlyIfTrue("variadic", E.Variadic);
461   switch (E.RefQualifier) {
462   case RQ_LValue: JOS.attribute("refQualifier", "&"); break;
463   case RQ_RValue: JOS.attribute("refQualifier", "&&"); break;
464   case RQ_None: break;
465   }
466   switch (E.ExceptionSpec.Type) {
467   case EST_DynamicNone:
468   case EST_Dynamic: {
469     JOS.attribute("exceptionSpec", "throw");
470     llvm::json::Array Types;
471     for (QualType QT : E.ExceptionSpec.Exceptions)
472       Types.push_back(createQualType(QT));
473     JOS.attribute("exceptionTypes", std::move(Types));
474   } break;
475   case EST_MSAny:
476     JOS.attribute("exceptionSpec", "throw");
477     JOS.attribute("throwsAny", true);
478     break;
479   case EST_BasicNoexcept:
480     JOS.attribute("exceptionSpec", "noexcept");
481     break;
482   case EST_NoexceptTrue:
483   case EST_NoexceptFalse:
484     JOS.attribute("exceptionSpec", "noexcept");
485     JOS.attribute("conditionEvaluatesTo",
486                 E.ExceptionSpec.Type == EST_NoexceptTrue);
487     //JOS.attributeWithCall("exceptionSpecExpr",
488     //                    [this, E]() { Visit(E.ExceptionSpec.NoexceptExpr); });
489     break;
490   case EST_NoThrow:
491     JOS.attribute("exceptionSpec", "nothrow");
492     break;
493   // FIXME: I cannot find a way to trigger these cases while dumping the AST. I
494   // suspect you can only run into them when executing an AST dump from within
495   // the debugger, which is not a use case we worry about for the JSON dumping
496   // feature.
497   case EST_DependentNoexcept:
498   case EST_Unevaluated:
499   case EST_Uninstantiated:
500   case EST_Unparsed:
501   case EST_None: break;
502   }
503   VisitFunctionType(T);
504 }
505 
506 void JSONNodeDumper::VisitRValueReferenceType(const ReferenceType *RT) {
507   attributeOnlyIfTrue("spelledAsLValue", RT->isSpelledAsLValue());
508 }
509 
510 void JSONNodeDumper::VisitArrayType(const ArrayType *AT) {
511   switch (AT->getSizeModifier()) {
512   case ArrayType::Star:
513     JOS.attribute("sizeModifier", "*");
514     break;
515   case ArrayType::Static:
516     JOS.attribute("sizeModifier", "static");
517     break;
518   case ArrayType::Normal:
519     break;
520   }
521 
522   std::string Str = AT->getIndexTypeQualifiers().getAsString();
523   if (!Str.empty())
524     JOS.attribute("indexTypeQualifiers", Str);
525 }
526 
527 void JSONNodeDumper::VisitConstantArrayType(const ConstantArrayType *CAT) {
528   // FIXME: this should use ZExt instead of SExt, but JSON doesn't allow a
529   // narrowing conversion to int64_t so it cannot be expressed.
530   JOS.attribute("size", CAT->getSize().getSExtValue());
531   VisitArrayType(CAT);
532 }
533 
534 void JSONNodeDumper::VisitDependentSizedExtVectorType(
535     const DependentSizedExtVectorType *VT) {
536   JOS.attributeObject(
537       "attrLoc", [VT, this] { writeSourceLocation(VT->getAttributeLoc()); });
538 }
539 
540 void JSONNodeDumper::VisitVectorType(const VectorType *VT) {
541   JOS.attribute("numElements", VT->getNumElements());
542   switch (VT->getVectorKind()) {
543   case VectorType::GenericVector:
544     break;
545   case VectorType::AltiVecVector:
546     JOS.attribute("vectorKind", "altivec");
547     break;
548   case VectorType::AltiVecPixel:
549     JOS.attribute("vectorKind", "altivec pixel");
550     break;
551   case VectorType::AltiVecBool:
552     JOS.attribute("vectorKind", "altivec bool");
553     break;
554   case VectorType::NeonVector:
555     JOS.attribute("vectorKind", "neon");
556     break;
557   case VectorType::NeonPolyVector:
558     JOS.attribute("vectorKind", "neon poly");
559     break;
560   }
561 }
562 
563 void JSONNodeDumper::VisitUnresolvedUsingType(const UnresolvedUsingType *UUT) {
564   JOS.attribute("decl", createBareDeclRef(UUT->getDecl()));
565 }
566 
567 void JSONNodeDumper::VisitUnaryTransformType(const UnaryTransformType *UTT) {
568   switch (UTT->getUTTKind()) {
569   case UnaryTransformType::EnumUnderlyingType:
570     JOS.attribute("transformKind", "underlying_type");
571     break;
572   }
573 }
574 
575 void JSONNodeDumper::VisitTagType(const TagType *TT) {
576   JOS.attribute("decl", createBareDeclRef(TT->getDecl()));
577 }
578 
579 void JSONNodeDumper::VisitTemplateTypeParmType(
580     const TemplateTypeParmType *TTPT) {
581   JOS.attribute("depth", TTPT->getDepth());
582   JOS.attribute("index", TTPT->getIndex());
583   attributeOnlyIfTrue("isPack", TTPT->isParameterPack());
584   JOS.attribute("decl", createBareDeclRef(TTPT->getDecl()));
585 }
586 
587 void JSONNodeDumper::VisitAutoType(const AutoType *AT) {
588   JOS.attribute("undeduced", !AT->isDeduced());
589   switch (AT->getKeyword()) {
590   case AutoTypeKeyword::Auto:
591     JOS.attribute("typeKeyword", "auto");
592     break;
593   case AutoTypeKeyword::DecltypeAuto:
594     JOS.attribute("typeKeyword", "decltype(auto)");
595     break;
596   case AutoTypeKeyword::GNUAutoType:
597     JOS.attribute("typeKeyword", "__auto_type");
598     break;
599   }
600 }
601 
602 void JSONNodeDumper::VisitTemplateSpecializationType(
603     const TemplateSpecializationType *TST) {
604   attributeOnlyIfTrue("isAlias", TST->isTypeAlias());
605 
606   std::string Str;
607   llvm::raw_string_ostream OS(Str);
608   TST->getTemplateName().print(OS, PrintPolicy);
609   JOS.attribute("templateName", OS.str());
610 }
611 
612 void JSONNodeDumper::VisitInjectedClassNameType(
613     const InjectedClassNameType *ICNT) {
614   JOS.attribute("decl", createBareDeclRef(ICNT->getDecl()));
615 }
616 
617 void JSONNodeDumper::VisitObjCInterfaceType(const ObjCInterfaceType *OIT) {
618   JOS.attribute("decl", createBareDeclRef(OIT->getDecl()));
619 }
620 
621 void JSONNodeDumper::VisitPackExpansionType(const PackExpansionType *PET) {
622   if (llvm::Optional<unsigned> N = PET->getNumExpansions())
623     JOS.attribute("numExpansions", *N);
624 }
625 
626 void JSONNodeDumper::VisitElaboratedType(const ElaboratedType *ET) {
627   if (const NestedNameSpecifier *NNS = ET->getQualifier()) {
628     std::string Str;
629     llvm::raw_string_ostream OS(Str);
630     NNS->print(OS, PrintPolicy, /*ResolveTemplateArgs*/ true);
631     JOS.attribute("qualifier", OS.str());
632   }
633   if (const TagDecl *TD = ET->getOwnedTagDecl())
634     JOS.attribute("ownedTagDecl", createBareDeclRef(TD));
635 }
636 
637 void JSONNodeDumper::VisitMacroQualifiedType(const MacroQualifiedType *MQT) {
638   JOS.attribute("macroName", MQT->getMacroIdentifier()->getName());
639 }
640 
641 void JSONNodeDumper::VisitMemberPointerType(const MemberPointerType *MPT) {
642   attributeOnlyIfTrue("isData", MPT->isMemberDataPointer());
643   attributeOnlyIfTrue("isFunction", MPT->isMemberFunctionPointer());
644 }
645 
646 void JSONNodeDumper::VisitNamedDecl(const NamedDecl *ND) {
647   if (ND && ND->getDeclName())
648     JOS.attribute("name", ND->getNameAsString());
649 }
650 
651 void JSONNodeDumper::VisitTypedefDecl(const TypedefDecl *TD) {
652   VisitNamedDecl(TD);
653   JOS.attribute("type", createQualType(TD->getUnderlyingType()));
654 }
655 
656 void JSONNodeDumper::VisitTypeAliasDecl(const TypeAliasDecl *TAD) {
657   VisitNamedDecl(TAD);
658   JOS.attribute("type", createQualType(TAD->getUnderlyingType()));
659 }
660 
661 void JSONNodeDumper::VisitNamespaceDecl(const NamespaceDecl *ND) {
662   VisitNamedDecl(ND);
663   attributeOnlyIfTrue("isInline", ND->isInline());
664   if (!ND->isOriginalNamespace())
665     JOS.attribute("originalNamespace",
666                   createBareDeclRef(ND->getOriginalNamespace()));
667 }
668 
669 void JSONNodeDumper::VisitUsingDirectiveDecl(const UsingDirectiveDecl *UDD) {
670   JOS.attribute("nominatedNamespace",
671                 createBareDeclRef(UDD->getNominatedNamespace()));
672 }
673 
674 void JSONNodeDumper::VisitNamespaceAliasDecl(const NamespaceAliasDecl *NAD) {
675   VisitNamedDecl(NAD);
676   JOS.attribute("aliasedNamespace",
677                 createBareDeclRef(NAD->getAliasedNamespace()));
678 }
679 
680 void JSONNodeDumper::VisitUsingDecl(const UsingDecl *UD) {
681   std::string Name;
682   if (const NestedNameSpecifier *NNS = UD->getQualifier()) {
683     llvm::raw_string_ostream SOS(Name);
684     NNS->print(SOS, UD->getASTContext().getPrintingPolicy());
685   }
686   Name += UD->getNameAsString();
687   JOS.attribute("name", Name);
688 }
689 
690 void JSONNodeDumper::VisitUsingShadowDecl(const UsingShadowDecl *USD) {
691   JOS.attribute("target", createBareDeclRef(USD->getTargetDecl()));
692 }
693 
694 void JSONNodeDumper::VisitVarDecl(const VarDecl *VD) {
695   VisitNamedDecl(VD);
696   JOS.attribute("type", createQualType(VD->getType()));
697 
698   StorageClass SC = VD->getStorageClass();
699   if (SC != SC_None)
700     JOS.attribute("storageClass", VarDecl::getStorageClassSpecifierString(SC));
701   switch (VD->getTLSKind()) {
702   case VarDecl::TLS_Dynamic: JOS.attribute("tls", "dynamic"); break;
703   case VarDecl::TLS_Static: JOS.attribute("tls", "static"); break;
704   case VarDecl::TLS_None: break;
705   }
706   attributeOnlyIfTrue("nrvo", VD->isNRVOVariable());
707   attributeOnlyIfTrue("inline", VD->isInline());
708   attributeOnlyIfTrue("constexpr", VD->isConstexpr());
709   attributeOnlyIfTrue("modulePrivate", VD->isModulePrivate());
710   if (VD->hasInit()) {
711     switch (VD->getInitStyle()) {
712     case VarDecl::CInit: JOS.attribute("init", "c");  break;
713     case VarDecl::CallInit: JOS.attribute("init", "call"); break;
714     case VarDecl::ListInit: JOS.attribute("init", "list"); break;
715     }
716   }
717   attributeOnlyIfTrue("isParameterPack", VD->isParameterPack());
718 }
719 
720 void JSONNodeDumper::VisitFieldDecl(const FieldDecl *FD) {
721   VisitNamedDecl(FD);
722   JOS.attribute("type", createQualType(FD->getType()));
723   attributeOnlyIfTrue("mutable", FD->isMutable());
724   attributeOnlyIfTrue("modulePrivate", FD->isModulePrivate());
725   attributeOnlyIfTrue("isBitfield", FD->isBitField());
726   attributeOnlyIfTrue("hasInClassInitializer", FD->hasInClassInitializer());
727 }
728 
729 void JSONNodeDumper::VisitFunctionDecl(const FunctionDecl *FD) {
730   VisitNamedDecl(FD);
731   JOS.attribute("type", createQualType(FD->getType()));
732   StorageClass SC = FD->getStorageClass();
733   if (SC != SC_None)
734     JOS.attribute("storageClass", VarDecl::getStorageClassSpecifierString(SC));
735   attributeOnlyIfTrue("inline", FD->isInlineSpecified());
736   attributeOnlyIfTrue("virtual", FD->isVirtualAsWritten());
737   attributeOnlyIfTrue("pure", FD->isPure());
738   attributeOnlyIfTrue("explicitlyDeleted", FD->isDeletedAsWritten());
739   attributeOnlyIfTrue("constexpr", FD->isConstexpr());
740   attributeOnlyIfTrue("variadic", FD->isVariadic());
741 
742   if (FD->isDefaulted())
743     JOS.attribute("explicitlyDefaulted",
744                   FD->isDeleted() ? "deleted" : "default");
745 }
746 
747 void JSONNodeDumper::VisitEnumDecl(const EnumDecl *ED) {
748   VisitNamedDecl(ED);
749   if (ED->isFixed())
750     JOS.attribute("fixedUnderlyingType", createQualType(ED->getIntegerType()));
751   if (ED->isScoped())
752     JOS.attribute("scopedEnumTag",
753                   ED->isScopedUsingClassTag() ? "class" : "struct");
754 }
755 void JSONNodeDumper::VisitEnumConstantDecl(const EnumConstantDecl *ECD) {
756   VisitNamedDecl(ECD);
757   JOS.attribute("type", createQualType(ECD->getType()));
758 }
759 
760 void JSONNodeDumper::VisitRecordDecl(const RecordDecl *RD) {
761   VisitNamedDecl(RD);
762   JOS.attribute("tagUsed", RD->getKindName());
763   attributeOnlyIfTrue("completeDefinition", RD->isCompleteDefinition());
764 }
765 void JSONNodeDumper::VisitCXXRecordDecl(const CXXRecordDecl *RD) {
766   VisitRecordDecl(RD);
767 
768   // All other information requires a complete definition.
769   if (!RD->isCompleteDefinition())
770     return;
771 
772   JOS.attribute("definitionData", createCXXRecordDefinitionData(RD));
773   if (RD->getNumBases()) {
774     JOS.attributeArray("bases", [this, RD] {
775       for (const auto &Spec : RD->bases())
776         JOS.value(createCXXBaseSpecifier(Spec));
777     });
778   }
779 }
780 
781 void JSONNodeDumper::VisitTemplateTypeParmDecl(const TemplateTypeParmDecl *D) {
782   VisitNamedDecl(D);
783   JOS.attribute("tagUsed", D->wasDeclaredWithTypename() ? "typename" : "class");
784   JOS.attribute("depth", D->getDepth());
785   JOS.attribute("index", D->getIndex());
786   attributeOnlyIfTrue("isParameterPack", D->isParameterPack());
787 
788   if (D->hasDefaultArgument())
789     JOS.attributeObject("defaultArg", [=] {
790       Visit(D->getDefaultArgument(), SourceRange(),
791             D->getDefaultArgStorage().getInheritedFrom(),
792             D->defaultArgumentWasInherited() ? "inherited from" : "previous");
793     });
794 }
795 
796 void JSONNodeDumper::VisitNonTypeTemplateParmDecl(
797     const NonTypeTemplateParmDecl *D) {
798   VisitNamedDecl(D);
799   JOS.attribute("type", createQualType(D->getType()));
800   JOS.attribute("depth", D->getDepth());
801   JOS.attribute("index", D->getIndex());
802   attributeOnlyIfTrue("isParameterPack", D->isParameterPack());
803 
804   if (D->hasDefaultArgument())
805     JOS.attributeObject("defaultArg", [=] {
806       Visit(D->getDefaultArgument(), SourceRange(),
807             D->getDefaultArgStorage().getInheritedFrom(),
808             D->defaultArgumentWasInherited() ? "inherited from" : "previous");
809     });
810 }
811 
812 void JSONNodeDumper::VisitTemplateTemplateParmDecl(
813     const TemplateTemplateParmDecl *D) {
814   VisitNamedDecl(D);
815   JOS.attribute("depth", D->getDepth());
816   JOS.attribute("index", D->getIndex());
817   attributeOnlyIfTrue("isParameterPack", D->isParameterPack());
818 
819   if (D->hasDefaultArgument())
820     JOS.attributeObject("defaultArg", [=] {
821       Visit(D->getDefaultArgument().getArgument(),
822             D->getDefaultArgStorage().getInheritedFrom()->getSourceRange(),
823             D->getDefaultArgStorage().getInheritedFrom(),
824             D->defaultArgumentWasInherited() ? "inherited from" : "previous");
825     });
826 }
827 
828 void JSONNodeDumper::VisitLinkageSpecDecl(const LinkageSpecDecl *LSD) {
829   StringRef Lang;
830   switch (LSD->getLanguage()) {
831   case LinkageSpecDecl::lang_c: Lang = "C"; break;
832   case LinkageSpecDecl::lang_cxx: Lang = "C++"; break;
833   }
834   JOS.attribute("language", Lang);
835   attributeOnlyIfTrue("hasBraces", LSD->hasBraces());
836 }
837 
838 void JSONNodeDumper::VisitAccessSpecDecl(const AccessSpecDecl *ASD) {
839   JOS.attribute("access", createAccessSpecifier(ASD->getAccess()));
840 }
841 
842 void JSONNodeDumper::VisitFriendDecl(const FriendDecl *FD) {
843   if (const TypeSourceInfo *T = FD->getFriendType())
844     JOS.attribute("type", createQualType(T->getType()));
845 }
846 
847 void JSONNodeDumper::VisitObjCIvarDecl(const ObjCIvarDecl *D) {
848   VisitNamedDecl(D);
849   JOS.attribute("type", createQualType(D->getType()));
850   attributeOnlyIfTrue("synthesized", D->getSynthesize());
851   switch (D->getAccessControl()) {
852   case ObjCIvarDecl::None: JOS.attribute("access", "none"); break;
853   case ObjCIvarDecl::Private: JOS.attribute("access", "private"); break;
854   case ObjCIvarDecl::Protected: JOS.attribute("access", "protected"); break;
855   case ObjCIvarDecl::Public: JOS.attribute("access", "public"); break;
856   case ObjCIvarDecl::Package: JOS.attribute("access", "package"); break;
857   }
858 }
859 
860 void JSONNodeDumper::VisitObjCMethodDecl(const ObjCMethodDecl *D) {
861   VisitNamedDecl(D);
862   JOS.attribute("returnType", createQualType(D->getReturnType()));
863   JOS.attribute("instance", D->isInstanceMethod());
864   attributeOnlyIfTrue("variadic", D->isVariadic());
865 }
866 
867 void JSONNodeDumper::VisitObjCTypeParamDecl(const ObjCTypeParamDecl *D) {
868   VisitNamedDecl(D);
869   JOS.attribute("type", createQualType(D->getUnderlyingType()));
870   attributeOnlyIfTrue("bounded", D->hasExplicitBound());
871   switch (D->getVariance()) {
872   case ObjCTypeParamVariance::Invariant:
873     break;
874   case ObjCTypeParamVariance::Covariant:
875     JOS.attribute("variance", "covariant");
876     break;
877   case ObjCTypeParamVariance::Contravariant:
878     JOS.attribute("variance", "contravariant");
879     break;
880   }
881 }
882 
883 void JSONNodeDumper::VisitObjCCategoryDecl(const ObjCCategoryDecl *D) {
884   VisitNamedDecl(D);
885   JOS.attribute("interface", createBareDeclRef(D->getClassInterface()));
886   JOS.attribute("implementation", createBareDeclRef(D->getImplementation()));
887 
888   llvm::json::Array Protocols;
889   for (const auto* P : D->protocols())
890     Protocols.push_back(createBareDeclRef(P));
891   if (!Protocols.empty())
892     JOS.attribute("protocols", std::move(Protocols));
893 }
894 
895 void JSONNodeDumper::VisitObjCCategoryImplDecl(const ObjCCategoryImplDecl *D) {
896   VisitNamedDecl(D);
897   JOS.attribute("interface", createBareDeclRef(D->getClassInterface()));
898   JOS.attribute("categoryDecl", createBareDeclRef(D->getCategoryDecl()));
899 }
900 
901 void JSONNodeDumper::VisitObjCProtocolDecl(const ObjCProtocolDecl *D) {
902   VisitNamedDecl(D);
903 
904   llvm::json::Array Protocols;
905   for (const auto *P : D->protocols())
906     Protocols.push_back(createBareDeclRef(P));
907   if (!Protocols.empty())
908     JOS.attribute("protocols", std::move(Protocols));
909 }
910 
911 void JSONNodeDumper::VisitObjCInterfaceDecl(const ObjCInterfaceDecl *D) {
912   VisitNamedDecl(D);
913   JOS.attribute("super", createBareDeclRef(D->getSuperClass()));
914   JOS.attribute("implementation", createBareDeclRef(D->getImplementation()));
915 
916   llvm::json::Array Protocols;
917   for (const auto* P : D->protocols())
918     Protocols.push_back(createBareDeclRef(P));
919   if (!Protocols.empty())
920     JOS.attribute("protocols", std::move(Protocols));
921 }
922 
923 void JSONNodeDumper::VisitObjCImplementationDecl(
924     const ObjCImplementationDecl *D) {
925   VisitNamedDecl(D);
926   JOS.attribute("super", createBareDeclRef(D->getSuperClass()));
927   JOS.attribute("interface", createBareDeclRef(D->getClassInterface()));
928 }
929 
930 void JSONNodeDumper::VisitObjCCompatibleAliasDecl(
931     const ObjCCompatibleAliasDecl *D) {
932   VisitNamedDecl(D);
933   JOS.attribute("interface", createBareDeclRef(D->getClassInterface()));
934 }
935 
936 void JSONNodeDumper::VisitObjCPropertyDecl(const ObjCPropertyDecl *D) {
937   VisitNamedDecl(D);
938   JOS.attribute("type", createQualType(D->getType()));
939 
940   switch (D->getPropertyImplementation()) {
941   case ObjCPropertyDecl::None: break;
942   case ObjCPropertyDecl::Required: JOS.attribute("control", "required"); break;
943   case ObjCPropertyDecl::Optional: JOS.attribute("control", "optional"); break;
944   }
945 
946   ObjCPropertyDecl::PropertyAttributeKind Attrs = D->getPropertyAttributes();
947   if (Attrs != ObjCPropertyDecl::OBJC_PR_noattr) {
948     if (Attrs & ObjCPropertyDecl::OBJC_PR_getter)
949       JOS.attribute("getter", createBareDeclRef(D->getGetterMethodDecl()));
950     if (Attrs & ObjCPropertyDecl::OBJC_PR_setter)
951       JOS.attribute("setter", createBareDeclRef(D->getSetterMethodDecl()));
952     attributeOnlyIfTrue("readonly", Attrs & ObjCPropertyDecl::OBJC_PR_readonly);
953     attributeOnlyIfTrue("assign", Attrs & ObjCPropertyDecl::OBJC_PR_assign);
954     attributeOnlyIfTrue("readwrite",
955                         Attrs & ObjCPropertyDecl::OBJC_PR_readwrite);
956     attributeOnlyIfTrue("retain", Attrs & ObjCPropertyDecl::OBJC_PR_retain);
957     attributeOnlyIfTrue("copy", Attrs & ObjCPropertyDecl::OBJC_PR_copy);
958     attributeOnlyIfTrue("nonatomic",
959                         Attrs & ObjCPropertyDecl::OBJC_PR_nonatomic);
960     attributeOnlyIfTrue("atomic", Attrs & ObjCPropertyDecl::OBJC_PR_atomic);
961     attributeOnlyIfTrue("weak", Attrs & ObjCPropertyDecl::OBJC_PR_weak);
962     attributeOnlyIfTrue("strong", Attrs & ObjCPropertyDecl::OBJC_PR_strong);
963     attributeOnlyIfTrue("unsafe_unretained",
964                         Attrs & ObjCPropertyDecl::OBJC_PR_unsafe_unretained);
965     attributeOnlyIfTrue("class", Attrs & ObjCPropertyDecl::OBJC_PR_class);
966     attributeOnlyIfTrue("nullability",
967                         Attrs & ObjCPropertyDecl::OBJC_PR_nullability);
968     attributeOnlyIfTrue("null_resettable",
969                         Attrs & ObjCPropertyDecl::OBJC_PR_null_resettable);
970   }
971 }
972 
973 void JSONNodeDumper::VisitObjCPropertyImplDecl(const ObjCPropertyImplDecl *D) {
974   VisitNamedDecl(D->getPropertyDecl());
975   JOS.attribute("implKind", D->getPropertyImplementation() ==
976                                     ObjCPropertyImplDecl::Synthesize
977                                 ? "synthesize"
978                                 : "dynamic");
979   JOS.attribute("propertyDecl", createBareDeclRef(D->getPropertyDecl()));
980   JOS.attribute("ivarDecl", createBareDeclRef(D->getPropertyIvarDecl()));
981 }
982 
983 void JSONNodeDumper::VisitBlockDecl(const BlockDecl *D) {
984   attributeOnlyIfTrue("variadic", D->isVariadic());
985   attributeOnlyIfTrue("capturesThis", D->capturesCXXThis());
986 }
987 
988 void JSONNodeDumper::VisitObjCEncodeExpr(const ObjCEncodeExpr *OEE) {
989   JOS.attribute("encodedType", createQualType(OEE->getEncodedType()));
990 }
991 
992 void JSONNodeDumper::VisitObjCMessageExpr(const ObjCMessageExpr *OME) {
993   std::string Str;
994   llvm::raw_string_ostream OS(Str);
995 
996   OME->getSelector().print(OS);
997   JOS.attribute("selector", OS.str());
998 
999   switch (OME->getReceiverKind()) {
1000   case ObjCMessageExpr::Instance:
1001     JOS.attribute("receiverKind", "instance");
1002     break;
1003   case ObjCMessageExpr::Class:
1004     JOS.attribute("receiverKind", "class");
1005     JOS.attribute("classType", createQualType(OME->getClassReceiver()));
1006     break;
1007   case ObjCMessageExpr::SuperInstance:
1008     JOS.attribute("receiverKind", "super (instance)");
1009     JOS.attribute("superType", createQualType(OME->getSuperType()));
1010     break;
1011   case ObjCMessageExpr::SuperClass:
1012     JOS.attribute("receiverKind", "super (class)");
1013     JOS.attribute("superType", createQualType(OME->getSuperType()));
1014     break;
1015   }
1016 
1017   QualType CallReturnTy = OME->getCallReturnType(Ctx);
1018   if (OME->getType() != CallReturnTy)
1019     JOS.attribute("callReturnType", createQualType(CallReturnTy));
1020 }
1021 
1022 void JSONNodeDumper::VisitObjCBoxedExpr(const ObjCBoxedExpr *OBE) {
1023   if (const ObjCMethodDecl *MD = OBE->getBoxingMethod()) {
1024     std::string Str;
1025     llvm::raw_string_ostream OS(Str);
1026 
1027     MD->getSelector().print(OS);
1028     JOS.attribute("selector", OS.str());
1029   }
1030 }
1031 
1032 void JSONNodeDumper::VisitObjCSelectorExpr(const ObjCSelectorExpr *OSE) {
1033   std::string Str;
1034   llvm::raw_string_ostream OS(Str);
1035 
1036   OSE->getSelector().print(OS);
1037   JOS.attribute("selector", OS.str());
1038 }
1039 
1040 void JSONNodeDumper::VisitObjCProtocolExpr(const ObjCProtocolExpr *OPE) {
1041   JOS.attribute("protocol", createBareDeclRef(OPE->getProtocol()));
1042 }
1043 
1044 void JSONNodeDumper::VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr *OPRE) {
1045   if (OPRE->isImplicitProperty()) {
1046     JOS.attribute("propertyKind", "implicit");
1047     if (const ObjCMethodDecl *MD = OPRE->getImplicitPropertyGetter())
1048       JOS.attribute("getter", createBareDeclRef(MD));
1049     if (const ObjCMethodDecl *MD = OPRE->getImplicitPropertySetter())
1050       JOS.attribute("setter", createBareDeclRef(MD));
1051   } else {
1052     JOS.attribute("propertyKind", "explicit");
1053     JOS.attribute("property", createBareDeclRef(OPRE->getExplicitProperty()));
1054   }
1055 
1056   attributeOnlyIfTrue("isSuperReceiver", OPRE->isSuperReceiver());
1057   attributeOnlyIfTrue("isMessagingGetter", OPRE->isMessagingGetter());
1058   attributeOnlyIfTrue("isMessagingSetter", OPRE->isMessagingSetter());
1059 }
1060 
1061 void JSONNodeDumper::VisitObjCSubscriptRefExpr(
1062     const ObjCSubscriptRefExpr *OSRE) {
1063   JOS.attribute("subscriptKind",
1064                 OSRE->isArraySubscriptRefExpr() ? "array" : "dictionary");
1065 
1066   if (const ObjCMethodDecl *MD = OSRE->getAtIndexMethodDecl())
1067     JOS.attribute("getter", createBareDeclRef(MD));
1068   if (const ObjCMethodDecl *MD = OSRE->setAtIndexMethodDecl())
1069     JOS.attribute("setter", createBareDeclRef(MD));
1070 }
1071 
1072 void JSONNodeDumper::VisitObjCIvarRefExpr(const ObjCIvarRefExpr *OIRE) {
1073   JOS.attribute("decl", createBareDeclRef(OIRE->getDecl()));
1074   attributeOnlyIfTrue("isFreeIvar", OIRE->isFreeIvar());
1075   JOS.attribute("isArrow", OIRE->isArrow());
1076 }
1077 
1078 void JSONNodeDumper::VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr *OBLE) {
1079   JOS.attribute("value", OBLE->getValue() ? "__objc_yes" : "__objc_no");
1080 }
1081 
1082 void JSONNodeDumper::VisitDeclRefExpr(const DeclRefExpr *DRE) {
1083   JOS.attribute("referencedDecl", createBareDeclRef(DRE->getDecl()));
1084   if (DRE->getDecl() != DRE->getFoundDecl())
1085     JOS.attribute("foundReferencedDecl",
1086                   createBareDeclRef(DRE->getFoundDecl()));
1087   switch (DRE->isNonOdrUse()) {
1088   case NOUR_None: break;
1089   case NOUR_Unevaluated: JOS.attribute("nonOdrUseReason", "unevaluated"); break;
1090   case NOUR_Constant: JOS.attribute("nonOdrUseReason", "constant"); break;
1091   case NOUR_Discarded: JOS.attribute("nonOdrUseReason", "discarded"); break;
1092   }
1093 }
1094 
1095 void JSONNodeDumper::VisitPredefinedExpr(const PredefinedExpr *PE) {
1096   JOS.attribute("name", PredefinedExpr::getIdentKindName(PE->getIdentKind()));
1097 }
1098 
1099 void JSONNodeDumper::VisitUnaryOperator(const UnaryOperator *UO) {
1100   JOS.attribute("isPostfix", UO->isPostfix());
1101   JOS.attribute("opcode", UnaryOperator::getOpcodeStr(UO->getOpcode()));
1102   if (!UO->canOverflow())
1103     JOS.attribute("canOverflow", false);
1104 }
1105 
1106 void JSONNodeDumper::VisitBinaryOperator(const BinaryOperator *BO) {
1107   JOS.attribute("opcode", BinaryOperator::getOpcodeStr(BO->getOpcode()));
1108 }
1109 
1110 void JSONNodeDumper::VisitCompoundAssignOperator(
1111     const CompoundAssignOperator *CAO) {
1112   VisitBinaryOperator(CAO);
1113   JOS.attribute("computeLHSType", createQualType(CAO->getComputationLHSType()));
1114   JOS.attribute("computeResultType",
1115                 createQualType(CAO->getComputationResultType()));
1116 }
1117 
1118 void JSONNodeDumper::VisitMemberExpr(const MemberExpr *ME) {
1119   // Note, we always write this Boolean field because the information it conveys
1120   // is critical to understanding the AST node.
1121   ValueDecl *VD = ME->getMemberDecl();
1122   JOS.attribute("name", VD && VD->getDeclName() ? VD->getNameAsString() : "");
1123   JOS.attribute("isArrow", ME->isArrow());
1124   JOS.attribute("referencedMemberDecl", createPointerRepresentation(VD));
1125   switch (ME->isNonOdrUse()) {
1126   case NOUR_None: break;
1127   case NOUR_Unevaluated: JOS.attribute("nonOdrUseReason", "unevaluated"); break;
1128   case NOUR_Constant: JOS.attribute("nonOdrUseReason", "constant"); break;
1129   case NOUR_Discarded: JOS.attribute("nonOdrUseReason", "discarded"); break;
1130   }
1131 }
1132 
1133 void JSONNodeDumper::VisitCXXNewExpr(const CXXNewExpr *NE) {
1134   attributeOnlyIfTrue("isGlobal", NE->isGlobalNew());
1135   attributeOnlyIfTrue("isArray", NE->isArray());
1136   attributeOnlyIfTrue("isPlacement", NE->getNumPlacementArgs() != 0);
1137   switch (NE->getInitializationStyle()) {
1138   case CXXNewExpr::NoInit: break;
1139   case CXXNewExpr::CallInit: JOS.attribute("initStyle", "call"); break;
1140   case CXXNewExpr::ListInit: JOS.attribute("initStyle", "list"); break;
1141   }
1142   if (const FunctionDecl *FD = NE->getOperatorNew())
1143     JOS.attribute("operatorNewDecl", createBareDeclRef(FD));
1144   if (const FunctionDecl *FD = NE->getOperatorDelete())
1145     JOS.attribute("operatorDeleteDecl", createBareDeclRef(FD));
1146 }
1147 void JSONNodeDumper::VisitCXXDeleteExpr(const CXXDeleteExpr *DE) {
1148   attributeOnlyIfTrue("isGlobal", DE->isGlobalDelete());
1149   attributeOnlyIfTrue("isArray", DE->isArrayForm());
1150   attributeOnlyIfTrue("isArrayAsWritten", DE->isArrayFormAsWritten());
1151   if (const FunctionDecl *FD = DE->getOperatorDelete())
1152     JOS.attribute("operatorDeleteDecl", createBareDeclRef(FD));
1153 }
1154 
1155 void JSONNodeDumper::VisitCXXThisExpr(const CXXThisExpr *TE) {
1156   attributeOnlyIfTrue("implicit", TE->isImplicit());
1157 }
1158 
1159 void JSONNodeDumper::VisitCastExpr(const CastExpr *CE) {
1160   JOS.attribute("castKind", CE->getCastKindName());
1161   llvm::json::Array Path = createCastPath(CE);
1162   if (!Path.empty())
1163     JOS.attribute("path", std::move(Path));
1164   // FIXME: This may not be useful information as it can be obtusely gleaned
1165   // from the inner[] array.
1166   if (const NamedDecl *ND = CE->getConversionFunction())
1167     JOS.attribute("conversionFunc", createBareDeclRef(ND));
1168 }
1169 
1170 void JSONNodeDumper::VisitImplicitCastExpr(const ImplicitCastExpr *ICE) {
1171   VisitCastExpr(ICE);
1172   attributeOnlyIfTrue("isPartOfExplicitCast", ICE->isPartOfExplicitCast());
1173 }
1174 
1175 void JSONNodeDumper::VisitCallExpr(const CallExpr *CE) {
1176   attributeOnlyIfTrue("adl", CE->usesADL());
1177 }
1178 
1179 void JSONNodeDumper::VisitUnaryExprOrTypeTraitExpr(
1180     const UnaryExprOrTypeTraitExpr *TTE) {
1181   switch (TTE->getKind()) {
1182   case UETT_SizeOf: JOS.attribute("name", "sizeof"); break;
1183   case UETT_AlignOf: JOS.attribute("name", "alignof"); break;
1184   case UETT_VecStep:  JOS.attribute("name", "vec_step"); break;
1185   case UETT_PreferredAlignOf:  JOS.attribute("name", "__alignof"); break;
1186   case UETT_OpenMPRequiredSimdAlign:
1187     JOS.attribute("name", "__builtin_omp_required_simd_align"); break;
1188   }
1189   if (TTE->isArgumentType())
1190     JOS.attribute("argType", createQualType(TTE->getArgumentType()));
1191 }
1192 
1193 void JSONNodeDumper::VisitSizeOfPackExpr(const SizeOfPackExpr *SOPE) {
1194   VisitNamedDecl(SOPE->getPack());
1195 }
1196 
1197 void JSONNodeDumper::VisitUnresolvedLookupExpr(
1198     const UnresolvedLookupExpr *ULE) {
1199   JOS.attribute("usesADL", ULE->requiresADL());
1200   JOS.attribute("name", ULE->getName().getAsString());
1201 
1202   JOS.attributeArray("lookups", [this, ULE] {
1203     for (const NamedDecl *D : ULE->decls())
1204       JOS.value(createBareDeclRef(D));
1205   });
1206 }
1207 
1208 void JSONNodeDumper::VisitAddrLabelExpr(const AddrLabelExpr *ALE) {
1209   JOS.attribute("name", ALE->getLabel()->getName());
1210   JOS.attribute("labelDeclId", createPointerRepresentation(ALE->getLabel()));
1211 }
1212 
1213 void JSONNodeDumper::VisitCXXTypeidExpr(const CXXTypeidExpr *CTE) {
1214   if (CTE->isTypeOperand()) {
1215     QualType Adjusted = CTE->getTypeOperand(Ctx);
1216     QualType Unadjusted = CTE->getTypeOperandSourceInfo()->getType();
1217     JOS.attribute("typeArg", createQualType(Unadjusted));
1218     if (Adjusted != Unadjusted)
1219       JOS.attribute("adjustedTypeArg", createQualType(Adjusted));
1220   }
1221 }
1222 
1223 void JSONNodeDumper::VisitConstantExpr(const ConstantExpr *CE) {
1224   if (CE->getResultAPValueKind() != APValue::None) {
1225     std::string Str;
1226     llvm::raw_string_ostream OS(Str);
1227     CE->getAPValueResult().printPretty(OS, Ctx, CE->getType());
1228     JOS.attribute("value", OS.str());
1229   }
1230 }
1231 
1232 void JSONNodeDumper::VisitInitListExpr(const InitListExpr *ILE) {
1233   if (const FieldDecl *FD = ILE->getInitializedFieldInUnion())
1234     JOS.attribute("field", createBareDeclRef(FD));
1235 }
1236 
1237 void JSONNodeDumper::VisitGenericSelectionExpr(
1238     const GenericSelectionExpr *GSE) {
1239   attributeOnlyIfTrue("resultDependent", GSE->isResultDependent());
1240 }
1241 
1242 void JSONNodeDumper::VisitCXXUnresolvedConstructExpr(
1243     const CXXUnresolvedConstructExpr *UCE) {
1244   if (UCE->getType() != UCE->getTypeAsWritten())
1245     JOS.attribute("typeAsWritten", createQualType(UCE->getTypeAsWritten()));
1246   attributeOnlyIfTrue("list", UCE->isListInitialization());
1247 }
1248 
1249 void JSONNodeDumper::VisitCXXConstructExpr(const CXXConstructExpr *CE) {
1250   CXXConstructorDecl *Ctor = CE->getConstructor();
1251   JOS.attribute("ctorType", createQualType(Ctor->getType()));
1252   attributeOnlyIfTrue("elidable", CE->isElidable());
1253   attributeOnlyIfTrue("list", CE->isListInitialization());
1254   attributeOnlyIfTrue("initializer_list", CE->isStdInitListInitialization());
1255   attributeOnlyIfTrue("zeroing", CE->requiresZeroInitialization());
1256   attributeOnlyIfTrue("hadMultipleCandidates", CE->hadMultipleCandidates());
1257 
1258   switch (CE->getConstructionKind()) {
1259   case CXXConstructExpr::CK_Complete:
1260     JOS.attribute("constructionKind", "complete");
1261     break;
1262   case CXXConstructExpr::CK_Delegating:
1263     JOS.attribute("constructionKind", "delegating");
1264     break;
1265   case CXXConstructExpr::CK_NonVirtualBase:
1266     JOS.attribute("constructionKind", "non-virtual base");
1267     break;
1268   case CXXConstructExpr::CK_VirtualBase:
1269     JOS.attribute("constructionKind", "virtual base");
1270     break;
1271   }
1272 }
1273 
1274 void JSONNodeDumper::VisitExprWithCleanups(const ExprWithCleanups *EWC) {
1275   attributeOnlyIfTrue("cleanupsHaveSideEffects",
1276                       EWC->cleanupsHaveSideEffects());
1277   if (EWC->getNumObjects()) {
1278     JOS.attributeArray("cleanups", [this, EWC] {
1279       for (const ExprWithCleanups::CleanupObject &CO : EWC->getObjects())
1280         JOS.value(createBareDeclRef(CO));
1281     });
1282   }
1283 }
1284 
1285 void JSONNodeDumper::VisitCXXBindTemporaryExpr(
1286     const CXXBindTemporaryExpr *BTE) {
1287   const CXXTemporary *Temp = BTE->getTemporary();
1288   JOS.attribute("temp", createPointerRepresentation(Temp));
1289   if (const CXXDestructorDecl *Dtor = Temp->getDestructor())
1290     JOS.attribute("dtor", createBareDeclRef(Dtor));
1291 }
1292 
1293 void JSONNodeDumper::VisitMaterializeTemporaryExpr(
1294     const MaterializeTemporaryExpr *MTE) {
1295   if (const ValueDecl *VD = MTE->getExtendingDecl())
1296     JOS.attribute("extendingDecl", createBareDeclRef(VD));
1297 
1298   switch (MTE->getStorageDuration()) {
1299   case SD_Automatic:
1300     JOS.attribute("storageDuration", "automatic");
1301     break;
1302   case SD_Dynamic:
1303     JOS.attribute("storageDuration", "dynamic");
1304     break;
1305   case SD_FullExpression:
1306     JOS.attribute("storageDuration", "full expression");
1307     break;
1308   case SD_Static:
1309     JOS.attribute("storageDuration", "static");
1310     break;
1311   case SD_Thread:
1312     JOS.attribute("storageDuration", "thread");
1313     break;
1314   }
1315 
1316   attributeOnlyIfTrue("boundToLValueRef", MTE->isBoundToLvalueReference());
1317 }
1318 
1319 void JSONNodeDumper::VisitCXXDependentScopeMemberExpr(
1320     const CXXDependentScopeMemberExpr *DSME) {
1321   JOS.attribute("isArrow", DSME->isArrow());
1322   JOS.attribute("member", DSME->getMember().getAsString());
1323   attributeOnlyIfTrue("hasTemplateKeyword", DSME->hasTemplateKeyword());
1324   attributeOnlyIfTrue("hasExplicitTemplateArgs",
1325                       DSME->hasExplicitTemplateArgs());
1326 
1327   if (DSME->getNumTemplateArgs()) {
1328     JOS.attributeArray("explicitTemplateArgs", [DSME, this] {
1329       for (const TemplateArgumentLoc &TAL : DSME->template_arguments())
1330         JOS.object(
1331             [&TAL, this] { Visit(TAL.getArgument(), TAL.getSourceRange()); });
1332     });
1333   }
1334 }
1335 
1336 void JSONNodeDumper::VisitIntegerLiteral(const IntegerLiteral *IL) {
1337   JOS.attribute("value",
1338                 IL->getValue().toString(
1339                     /*Radix=*/10, IL->getType()->isSignedIntegerType()));
1340 }
1341 void JSONNodeDumper::VisitCharacterLiteral(const CharacterLiteral *CL) {
1342   // FIXME: This should probably print the character literal as a string,
1343   // rather than as a numerical value. It would be nice if the behavior matched
1344   // what we do to print a string literal; right now, it is impossible to tell
1345   // the difference between 'a' and L'a' in C from the JSON output.
1346   JOS.attribute("value", CL->getValue());
1347 }
1348 void JSONNodeDumper::VisitFixedPointLiteral(const FixedPointLiteral *FPL) {
1349   JOS.attribute("value", FPL->getValueAsString(/*Radix=*/10));
1350 }
1351 void JSONNodeDumper::VisitFloatingLiteral(const FloatingLiteral *FL) {
1352   JOS.attribute("value", FL->getValueAsApproximateDouble());
1353 }
1354 void JSONNodeDumper::VisitStringLiteral(const StringLiteral *SL) {
1355   std::string Buffer;
1356   llvm::raw_string_ostream SS(Buffer);
1357   SL->outputString(SS);
1358   JOS.attribute("value", SS.str());
1359 }
1360 void JSONNodeDumper::VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *BLE) {
1361   JOS.attribute("value", BLE->getValue());
1362 }
1363 
1364 void JSONNodeDumper::VisitIfStmt(const IfStmt *IS) {
1365   attributeOnlyIfTrue("hasInit", IS->hasInitStorage());
1366   attributeOnlyIfTrue("hasVar", IS->hasVarStorage());
1367   attributeOnlyIfTrue("hasElse", IS->hasElseStorage());
1368   attributeOnlyIfTrue("isConstexpr", IS->isConstexpr());
1369 }
1370 
1371 void JSONNodeDumper::VisitSwitchStmt(const SwitchStmt *SS) {
1372   attributeOnlyIfTrue("hasInit", SS->hasInitStorage());
1373   attributeOnlyIfTrue("hasVar", SS->hasVarStorage());
1374 }
1375 void JSONNodeDumper::VisitCaseStmt(const CaseStmt *CS) {
1376   attributeOnlyIfTrue("isGNURange", CS->caseStmtIsGNURange());
1377 }
1378 
1379 void JSONNodeDumper::VisitLabelStmt(const LabelStmt *LS) {
1380   JOS.attribute("name", LS->getName());
1381   JOS.attribute("declId", createPointerRepresentation(LS->getDecl()));
1382 }
1383 void JSONNodeDumper::VisitGotoStmt(const GotoStmt *GS) {
1384   JOS.attribute("targetLabelDeclId",
1385                 createPointerRepresentation(GS->getLabel()));
1386 }
1387 
1388 void JSONNodeDumper::VisitWhileStmt(const WhileStmt *WS) {
1389   attributeOnlyIfTrue("hasVar", WS->hasVarStorage());
1390 }
1391 
1392 void JSONNodeDumper::VisitObjCAtCatchStmt(const ObjCAtCatchStmt* OACS) {
1393   // FIXME: it would be nice for the ASTNodeTraverser would handle the catch
1394   // parameter the same way for C++ and ObjC rather. In this case, C++ gets a
1395   // null child node and ObjC gets no child node.
1396   attributeOnlyIfTrue("isCatchAll", OACS->getCatchParamDecl() == nullptr);
1397 }
1398 
1399 void JSONNodeDumper::VisitNullTemplateArgument(const TemplateArgument &TA) {
1400   JOS.attribute("isNull", true);
1401 }
1402 void JSONNodeDumper::VisitTypeTemplateArgument(const TemplateArgument &TA) {
1403   JOS.attribute("type", createQualType(TA.getAsType()));
1404 }
1405 void JSONNodeDumper::VisitDeclarationTemplateArgument(
1406     const TemplateArgument &TA) {
1407   JOS.attribute("decl", createBareDeclRef(TA.getAsDecl()));
1408 }
1409 void JSONNodeDumper::VisitNullPtrTemplateArgument(const TemplateArgument &TA) {
1410   JOS.attribute("isNullptr", true);
1411 }
1412 void JSONNodeDumper::VisitIntegralTemplateArgument(const TemplateArgument &TA) {
1413   JOS.attribute("value", TA.getAsIntegral().getSExtValue());
1414 }
1415 void JSONNodeDumper::VisitTemplateTemplateArgument(const TemplateArgument &TA) {
1416   // FIXME: cannot just call dump() on the argument, as that doesn't specify
1417   // the output format.
1418 }
1419 void JSONNodeDumper::VisitTemplateExpansionTemplateArgument(
1420     const TemplateArgument &TA) {
1421   // FIXME: cannot just call dump() on the argument, as that doesn't specify
1422   // the output format.
1423 }
1424 void JSONNodeDumper::VisitExpressionTemplateArgument(
1425     const TemplateArgument &TA) {
1426   JOS.attribute("isExpr", true);
1427 }
1428 void JSONNodeDumper::VisitPackTemplateArgument(const TemplateArgument &TA) {
1429   JOS.attribute("isPack", true);
1430 }
1431 
1432 StringRef JSONNodeDumper::getCommentCommandName(unsigned CommandID) const {
1433   if (Traits)
1434     return Traits->getCommandInfo(CommandID)->Name;
1435   if (const comments::CommandInfo *Info =
1436           comments::CommandTraits::getBuiltinCommandInfo(CommandID))
1437     return Info->Name;
1438   return "<invalid>";
1439 }
1440 
1441 void JSONNodeDumper::visitTextComment(const comments::TextComment *C,
1442                                       const comments::FullComment *) {
1443   JOS.attribute("text", C->getText());
1444 }
1445 
1446 void JSONNodeDumper::visitInlineCommandComment(
1447     const comments::InlineCommandComment *C, const comments::FullComment *) {
1448   JOS.attribute("name", getCommentCommandName(C->getCommandID()));
1449 
1450   switch (C->getRenderKind()) {
1451   case comments::InlineCommandComment::RenderNormal:
1452     JOS.attribute("renderKind", "normal");
1453     break;
1454   case comments::InlineCommandComment::RenderBold:
1455     JOS.attribute("renderKind", "bold");
1456     break;
1457   case comments::InlineCommandComment::RenderEmphasized:
1458     JOS.attribute("renderKind", "emphasized");
1459     break;
1460   case comments::InlineCommandComment::RenderMonospaced:
1461     JOS.attribute("renderKind", "monospaced");
1462     break;
1463   }
1464 
1465   llvm::json::Array Args;
1466   for (unsigned I = 0, E = C->getNumArgs(); I < E; ++I)
1467     Args.push_back(C->getArgText(I));
1468 
1469   if (!Args.empty())
1470     JOS.attribute("args", std::move(Args));
1471 }
1472 
1473 void JSONNodeDumper::visitHTMLStartTagComment(
1474     const comments::HTMLStartTagComment *C, const comments::FullComment *) {
1475   JOS.attribute("name", C->getTagName());
1476   attributeOnlyIfTrue("selfClosing", C->isSelfClosing());
1477   attributeOnlyIfTrue("malformed", C->isMalformed());
1478 
1479   llvm::json::Array Attrs;
1480   for (unsigned I = 0, E = C->getNumAttrs(); I < E; ++I)
1481     Attrs.push_back(
1482         {{"name", C->getAttr(I).Name}, {"value", C->getAttr(I).Value}});
1483 
1484   if (!Attrs.empty())
1485     JOS.attribute("attrs", std::move(Attrs));
1486 }
1487 
1488 void JSONNodeDumper::visitHTMLEndTagComment(
1489     const comments::HTMLEndTagComment *C, const comments::FullComment *) {
1490   JOS.attribute("name", C->getTagName());
1491 }
1492 
1493 void JSONNodeDumper::visitBlockCommandComment(
1494     const comments::BlockCommandComment *C, const comments::FullComment *) {
1495   JOS.attribute("name", getCommentCommandName(C->getCommandID()));
1496 
1497   llvm::json::Array Args;
1498   for (unsigned I = 0, E = C->getNumArgs(); I < E; ++I)
1499     Args.push_back(C->getArgText(I));
1500 
1501   if (!Args.empty())
1502     JOS.attribute("args", std::move(Args));
1503 }
1504 
1505 void JSONNodeDumper::visitParamCommandComment(
1506     const comments::ParamCommandComment *C, const comments::FullComment *FC) {
1507   switch (C->getDirection()) {
1508   case comments::ParamCommandComment::In:
1509     JOS.attribute("direction", "in");
1510     break;
1511   case comments::ParamCommandComment::Out:
1512     JOS.attribute("direction", "out");
1513     break;
1514   case comments::ParamCommandComment::InOut:
1515     JOS.attribute("direction", "in,out");
1516     break;
1517   }
1518   attributeOnlyIfTrue("explicit", C->isDirectionExplicit());
1519 
1520   if (C->hasParamName())
1521     JOS.attribute("param", C->isParamIndexValid() ? C->getParamName(FC)
1522                                                   : C->getParamNameAsWritten());
1523 
1524   if (C->isParamIndexValid() && !C->isVarArgParam())
1525     JOS.attribute("paramIdx", C->getParamIndex());
1526 }
1527 
1528 void JSONNodeDumper::visitTParamCommandComment(
1529     const comments::TParamCommandComment *C, const comments::FullComment *FC) {
1530   if (C->hasParamName())
1531     JOS.attribute("param", C->isPositionValid() ? C->getParamName(FC)
1532                                                 : C->getParamNameAsWritten());
1533   if (C->isPositionValid()) {
1534     llvm::json::Array Positions;
1535     for (unsigned I = 0, E = C->getDepth(); I < E; ++I)
1536       Positions.push_back(C->getIndex(I));
1537 
1538     if (!Positions.empty())
1539       JOS.attribute("positions", std::move(Positions));
1540   }
1541 }
1542 
1543 void JSONNodeDumper::visitVerbatimBlockComment(
1544     const comments::VerbatimBlockComment *C, const comments::FullComment *) {
1545   JOS.attribute("name", getCommentCommandName(C->getCommandID()));
1546   JOS.attribute("closeName", C->getCloseName());
1547 }
1548 
1549 void JSONNodeDumper::visitVerbatimBlockLineComment(
1550     const comments::VerbatimBlockLineComment *C,
1551     const comments::FullComment *) {
1552   JOS.attribute("text", C->getText());
1553 }
1554 
1555 void JSONNodeDumper::visitVerbatimLineComment(
1556     const comments::VerbatimLineComment *C, const comments::FullComment *) {
1557   JOS.attribute("text", C->getText());
1558 }
1559