1 #include "clang/AST/JSONNodeDumper.h"
2 #include "clang/AST/Type.h"
3 #include "clang/Basic/SourceManager.h"
4 #include "clang/Basic/Specifiers.h"
5 #include "clang/Lex/Lexer.h"
6 #include "llvm/ADT/StringExtras.h"
7 #include <optional>
8
9 using namespace clang;
10
addPreviousDeclaration(const Decl * D)11 void JSONNodeDumper::addPreviousDeclaration(const Decl *D) {
12 switch (D->getKind()) {
13 #define DECL(DERIVED, BASE) \
14 case Decl::DERIVED: \
15 return writePreviousDeclImpl(cast<DERIVED##Decl>(D));
16 #define ABSTRACT_DECL(DECL)
17 #include "clang/AST/DeclNodes.inc"
18 #undef ABSTRACT_DECL
19 #undef DECL
20 }
21 llvm_unreachable("Decl that isn't part of DeclNodes.inc!");
22 }
23
Visit(const Attr * A)24 void JSONNodeDumper::Visit(const Attr *A) {
25 const char *AttrName = nullptr;
26 switch (A->getKind()) {
27 #define ATTR(X) \
28 case attr::X: \
29 AttrName = #X"Attr"; \
30 break;
31 #include "clang/Basic/AttrList.inc"
32 #undef ATTR
33 }
34 JOS.attribute("id", createPointerRepresentation(A));
35 JOS.attribute("kind", AttrName);
36 JOS.attributeObject("range", [A, this] { writeSourceRange(A->getRange()); });
37 attributeOnlyIfTrue("inherited", A->isInherited());
38 attributeOnlyIfTrue("implicit", A->isImplicit());
39
40 // FIXME: it would be useful for us to output the spelling kind as well as
41 // the actual spelling. This would allow us to distinguish between the
42 // various attribute syntaxes, but we don't currently track that information
43 // within the AST.
44 //JOS.attribute("spelling", A->getSpelling());
45
46 InnerAttrVisitor::Visit(A);
47 }
48
Visit(const Stmt * S)49 void JSONNodeDumper::Visit(const Stmt *S) {
50 if (!S)
51 return;
52
53 JOS.attribute("id", createPointerRepresentation(S));
54 JOS.attribute("kind", S->getStmtClassName());
55 JOS.attributeObject("range",
56 [S, this] { writeSourceRange(S->getSourceRange()); });
57
58 if (const auto *E = dyn_cast<Expr>(S)) {
59 JOS.attribute("type", createQualType(E->getType()));
60 const char *Category = nullptr;
61 switch (E->getValueKind()) {
62 case VK_LValue: Category = "lvalue"; break;
63 case VK_XValue: Category = "xvalue"; break;
64 case VK_PRValue:
65 Category = "prvalue";
66 break;
67 }
68 JOS.attribute("valueCategory", Category);
69 }
70 InnerStmtVisitor::Visit(S);
71 }
72
Visit(const Type * T)73 void JSONNodeDumper::Visit(const Type *T) {
74 JOS.attribute("id", createPointerRepresentation(T));
75
76 if (!T)
77 return;
78
79 JOS.attribute("kind", (llvm::Twine(T->getTypeClassName()) + "Type").str());
80 JOS.attribute("type", createQualType(QualType(T, 0), /*Desugar=*/false));
81 attributeOnlyIfTrue("containsErrors", T->containsErrors());
82 attributeOnlyIfTrue("isDependent", T->isDependentType());
83 attributeOnlyIfTrue("isInstantiationDependent",
84 T->isInstantiationDependentType());
85 attributeOnlyIfTrue("isVariablyModified", T->isVariablyModifiedType());
86 attributeOnlyIfTrue("containsUnexpandedPack",
87 T->containsUnexpandedParameterPack());
88 attributeOnlyIfTrue("isImported", T->isFromAST());
89 InnerTypeVisitor::Visit(T);
90 }
91
Visit(QualType T)92 void JSONNodeDumper::Visit(QualType T) {
93 JOS.attribute("id", createPointerRepresentation(T.getAsOpaquePtr()));
94 JOS.attribute("kind", "QualType");
95 JOS.attribute("type", createQualType(T));
96 JOS.attribute("qualifiers", T.split().Quals.getAsString());
97 }
98
Visit(TypeLoc TL)99 void JSONNodeDumper::Visit(TypeLoc TL) {
100 if (TL.isNull())
101 return;
102 JOS.attribute("kind",
103 (llvm::Twine(TL.getTypeLocClass() == TypeLoc::Qualified
104 ? "Qualified"
105 : TL.getTypePtr()->getTypeClassName()) +
106 "TypeLoc")
107 .str());
108 JOS.attribute("type",
109 createQualType(QualType(TL.getType()), /*Desugar=*/false));
110 JOS.attributeObject("range",
111 [TL, this] { writeSourceRange(TL.getSourceRange()); });
112 }
113
Visit(const Decl * D)114 void JSONNodeDumper::Visit(const Decl *D) {
115 JOS.attribute("id", createPointerRepresentation(D));
116
117 if (!D)
118 return;
119
120 JOS.attribute("kind", (llvm::Twine(D->getDeclKindName()) + "Decl").str());
121 JOS.attributeObject("loc",
122 [D, this] { writeSourceLocation(D->getLocation()); });
123 JOS.attributeObject("range",
124 [D, this] { writeSourceRange(D->getSourceRange()); });
125 attributeOnlyIfTrue("isImplicit", D->isImplicit());
126 attributeOnlyIfTrue("isInvalid", D->isInvalidDecl());
127
128 if (D->isUsed())
129 JOS.attribute("isUsed", true);
130 else if (D->isThisDeclarationReferenced())
131 JOS.attribute("isReferenced", true);
132
133 if (const auto *ND = dyn_cast<NamedDecl>(D))
134 attributeOnlyIfTrue("isHidden", !ND->isUnconditionallyVisible());
135
136 if (D->getLexicalDeclContext() != D->getDeclContext()) {
137 // Because of multiple inheritance, a DeclContext pointer does not produce
138 // the same pointer representation as a Decl pointer that references the
139 // same AST Node.
140 const auto *ParentDeclContextDecl = dyn_cast<Decl>(D->getDeclContext());
141 JOS.attribute("parentDeclContextId",
142 createPointerRepresentation(ParentDeclContextDecl));
143 }
144
145 addPreviousDeclaration(D);
146 InnerDeclVisitor::Visit(D);
147 }
148
Visit(const comments::Comment * C,const comments::FullComment * FC)149 void JSONNodeDumper::Visit(const comments::Comment *C,
150 const comments::FullComment *FC) {
151 if (!C)
152 return;
153
154 JOS.attribute("id", createPointerRepresentation(C));
155 JOS.attribute("kind", C->getCommentKindName());
156 JOS.attributeObject("loc",
157 [C, this] { writeSourceLocation(C->getLocation()); });
158 JOS.attributeObject("range",
159 [C, this] { writeSourceRange(C->getSourceRange()); });
160
161 InnerCommentVisitor::visit(C, FC);
162 }
163
Visit(const TemplateArgument & TA,SourceRange R,const Decl * From,StringRef Label)164 void JSONNodeDumper::Visit(const TemplateArgument &TA, SourceRange R,
165 const Decl *From, StringRef Label) {
166 JOS.attribute("kind", "TemplateArgument");
167 if (R.isValid())
168 JOS.attributeObject("range", [R, this] { writeSourceRange(R); });
169
170 if (From)
171 JOS.attribute(Label.empty() ? "fromDecl" : Label, createBareDeclRef(From));
172
173 InnerTemplateArgVisitor::Visit(TA);
174 }
175
Visit(const CXXCtorInitializer * Init)176 void JSONNodeDumper::Visit(const CXXCtorInitializer *Init) {
177 JOS.attribute("kind", "CXXCtorInitializer");
178 if (Init->isAnyMemberInitializer())
179 JOS.attribute("anyInit", createBareDeclRef(Init->getAnyMember()));
180 else if (Init->isBaseInitializer())
181 JOS.attribute("baseInit",
182 createQualType(QualType(Init->getBaseClass(), 0)));
183 else if (Init->isDelegatingInitializer())
184 JOS.attribute("delegatingInit",
185 createQualType(Init->getTypeSourceInfo()->getType()));
186 else
187 llvm_unreachable("Unknown initializer type");
188 }
189
Visit(const OpenACCClause * C)190 void JSONNodeDumper::Visit(const OpenACCClause *C) {}
191
Visit(const OMPClause * C)192 void JSONNodeDumper::Visit(const OMPClause *C) {}
193
Visit(const BlockDecl::Capture & C)194 void JSONNodeDumper::Visit(const BlockDecl::Capture &C) {
195 JOS.attribute("kind", "Capture");
196 attributeOnlyIfTrue("byref", C.isByRef());
197 attributeOnlyIfTrue("nested", C.isNested());
198 if (C.getVariable())
199 JOS.attribute("var", createBareDeclRef(C.getVariable()));
200 }
201
Visit(const GenericSelectionExpr::ConstAssociation & A)202 void JSONNodeDumper::Visit(const GenericSelectionExpr::ConstAssociation &A) {
203 JOS.attribute("associationKind", A.getTypeSourceInfo() ? "case" : "default");
204 attributeOnlyIfTrue("selected", A.isSelected());
205 }
206
Visit(const concepts::Requirement * R)207 void JSONNodeDumper::Visit(const concepts::Requirement *R) {
208 if (!R)
209 return;
210
211 switch (R->getKind()) {
212 case concepts::Requirement::RK_Type:
213 JOS.attribute("kind", "TypeRequirement");
214 break;
215 case concepts::Requirement::RK_Simple:
216 JOS.attribute("kind", "SimpleRequirement");
217 break;
218 case concepts::Requirement::RK_Compound:
219 JOS.attribute("kind", "CompoundRequirement");
220 break;
221 case concepts::Requirement::RK_Nested:
222 JOS.attribute("kind", "NestedRequirement");
223 break;
224 }
225
226 if (auto *ER = dyn_cast<concepts::ExprRequirement>(R))
227 attributeOnlyIfTrue("noexcept", ER->hasNoexceptRequirement());
228
229 attributeOnlyIfTrue("isDependent", R->isDependent());
230 if (!R->isDependent())
231 JOS.attribute("satisfied", R->isSatisfied());
232 attributeOnlyIfTrue("containsUnexpandedPack",
233 R->containsUnexpandedParameterPack());
234 }
235
Visit(const APValue & Value,QualType Ty)236 void JSONNodeDumper::Visit(const APValue &Value, QualType Ty) {
237 std::string Str;
238 llvm::raw_string_ostream OS(Str);
239 Value.printPretty(OS, Ctx, Ty);
240 JOS.attribute("value", Str);
241 }
242
Visit(const ConceptReference * CR)243 void JSONNodeDumper::Visit(const ConceptReference *CR) {
244 JOS.attribute("kind", "ConceptReference");
245 JOS.attribute("id", createPointerRepresentation(CR->getNamedConcept()));
246 if (const auto *Args = CR->getTemplateArgsAsWritten()) {
247 JOS.attributeArray("templateArgsAsWritten", [Args, this] {
248 for (const TemplateArgumentLoc &TAL : Args->arguments())
249 JOS.object(
250 [&TAL, this] { Visit(TAL.getArgument(), TAL.getSourceRange()); });
251 });
252 }
253 JOS.attributeObject("loc",
254 [CR, this] { writeSourceLocation(CR->getLocation()); });
255 JOS.attributeObject("range",
256 [CR, this] { writeSourceRange(CR->getSourceRange()); });
257 }
258
writeIncludeStack(PresumedLoc Loc,bool JustFirst)259 void JSONNodeDumper::writeIncludeStack(PresumedLoc Loc, bool JustFirst) {
260 if (Loc.isInvalid())
261 return;
262
263 JOS.attributeBegin("includedFrom");
264 JOS.objectBegin();
265
266 if (!JustFirst) {
267 // Walk the stack recursively, then print out the presumed location.
268 writeIncludeStack(SM.getPresumedLoc(Loc.getIncludeLoc()));
269 }
270
271 JOS.attribute("file", Loc.getFilename());
272 JOS.objectEnd();
273 JOS.attributeEnd();
274 }
275
writeBareSourceLocation(SourceLocation Loc,bool IsSpelling)276 void JSONNodeDumper::writeBareSourceLocation(SourceLocation Loc,
277 bool IsSpelling) {
278 PresumedLoc Presumed = SM.getPresumedLoc(Loc);
279 unsigned ActualLine = IsSpelling ? SM.getSpellingLineNumber(Loc)
280 : SM.getExpansionLineNumber(Loc);
281 StringRef ActualFile = SM.getBufferName(Loc);
282
283 if (Presumed.isValid()) {
284 JOS.attribute("offset", SM.getDecomposedLoc(Loc).second);
285 if (LastLocFilename != ActualFile) {
286 JOS.attribute("file", ActualFile);
287 JOS.attribute("line", ActualLine);
288 } else if (LastLocLine != ActualLine)
289 JOS.attribute("line", ActualLine);
290
291 StringRef PresumedFile = Presumed.getFilename();
292 if (PresumedFile != ActualFile && LastLocPresumedFilename != PresumedFile)
293 JOS.attribute("presumedFile", PresumedFile);
294
295 unsigned PresumedLine = Presumed.getLine();
296 if (ActualLine != PresumedLine && LastLocPresumedLine != PresumedLine)
297 JOS.attribute("presumedLine", PresumedLine);
298
299 JOS.attribute("col", Presumed.getColumn());
300 JOS.attribute("tokLen",
301 Lexer::MeasureTokenLength(Loc, SM, Ctx.getLangOpts()));
302 LastLocFilename = ActualFile;
303 LastLocPresumedFilename = PresumedFile;
304 LastLocPresumedLine = PresumedLine;
305 LastLocLine = ActualLine;
306
307 // Orthogonal to the file, line, and column de-duplication is whether the
308 // given location was a result of an include. If so, print where the
309 // include location came from.
310 writeIncludeStack(SM.getPresumedLoc(Presumed.getIncludeLoc()),
311 /*JustFirst*/ true);
312 }
313 }
314
writeSourceLocation(SourceLocation Loc)315 void JSONNodeDumper::writeSourceLocation(SourceLocation Loc) {
316 SourceLocation Spelling = SM.getSpellingLoc(Loc);
317 SourceLocation Expansion = SM.getExpansionLoc(Loc);
318
319 if (Expansion != Spelling) {
320 // If the expansion and the spelling are different, output subobjects
321 // describing both locations.
322 JOS.attributeObject("spellingLoc", [Spelling, this] {
323 writeBareSourceLocation(Spelling, /*IsSpelling*/ true);
324 });
325 JOS.attributeObject("expansionLoc", [Expansion, Loc, this] {
326 writeBareSourceLocation(Expansion, /*IsSpelling*/ false);
327 // If there is a macro expansion, add extra information if the interesting
328 // bit is the macro arg expansion.
329 if (SM.isMacroArgExpansion(Loc))
330 JOS.attribute("isMacroArgExpansion", true);
331 });
332 } else
333 writeBareSourceLocation(Spelling, /*IsSpelling*/ true);
334 }
335
writeSourceRange(SourceRange R)336 void JSONNodeDumper::writeSourceRange(SourceRange R) {
337 JOS.attributeObject("begin",
338 [R, this] { writeSourceLocation(R.getBegin()); });
339 JOS.attributeObject("end", [R, this] { writeSourceLocation(R.getEnd()); });
340 }
341
createPointerRepresentation(const void * Ptr)342 std::string JSONNodeDumper::createPointerRepresentation(const void *Ptr) {
343 // Because JSON stores integer values as signed 64-bit integers, trying to
344 // represent them as such makes for very ugly pointer values in the resulting
345 // output. Instead, we convert the value to hex and treat it as a string.
346 return "0x" + llvm::utohexstr(reinterpret_cast<uint64_t>(Ptr), true);
347 }
348
createQualType(QualType QT,bool Desugar)349 llvm::json::Object JSONNodeDumper::createQualType(QualType QT, bool Desugar) {
350 SplitQualType SQT = QT.split();
351 std::string SQTS = QualType::getAsString(SQT, PrintPolicy);
352 llvm::json::Object Ret{{"qualType", SQTS}};
353
354 if (Desugar && !QT.isNull()) {
355 SplitQualType DSQT = QT.getSplitDesugaredType();
356 if (DSQT != SQT) {
357 std::string DSQTS = QualType::getAsString(DSQT, PrintPolicy);
358 if (DSQTS != SQTS)
359 Ret["desugaredQualType"] = DSQTS;
360 }
361 if (const auto *TT = QT->getAs<TypedefType>())
362 Ret["typeAliasDeclId"] = createPointerRepresentation(TT->getDecl());
363 }
364 return Ret;
365 }
366
writeBareDeclRef(const Decl * D)367 void JSONNodeDumper::writeBareDeclRef(const Decl *D) {
368 JOS.attribute("id", createPointerRepresentation(D));
369 if (!D)
370 return;
371
372 JOS.attribute("kind", (llvm::Twine(D->getDeclKindName()) + "Decl").str());
373 if (const auto *ND = dyn_cast<NamedDecl>(D))
374 JOS.attribute("name", ND->getDeclName().getAsString());
375 if (const auto *VD = dyn_cast<ValueDecl>(D))
376 JOS.attribute("type", createQualType(VD->getType()));
377 }
378
createBareDeclRef(const Decl * D)379 llvm::json::Object JSONNodeDumper::createBareDeclRef(const Decl *D) {
380 llvm::json::Object Ret{{"id", createPointerRepresentation(D)}};
381 if (!D)
382 return Ret;
383
384 Ret["kind"] = (llvm::Twine(D->getDeclKindName()) + "Decl").str();
385 if (const auto *ND = dyn_cast<NamedDecl>(D))
386 Ret["name"] = ND->getDeclName().getAsString();
387 if (const auto *VD = dyn_cast<ValueDecl>(D))
388 Ret["type"] = createQualType(VD->getType());
389 return Ret;
390 }
391
createCastPath(const CastExpr * C)392 llvm::json::Array JSONNodeDumper::createCastPath(const CastExpr *C) {
393 llvm::json::Array Ret;
394 if (C->path_empty())
395 return Ret;
396
397 for (auto I = C->path_begin(), E = C->path_end(); I != E; ++I) {
398 const CXXBaseSpecifier *Base = *I;
399 const auto *RD =
400 cast<CXXRecordDecl>(Base->getType()->castAs<RecordType>()->getDecl());
401
402 llvm::json::Object Val{{"name", RD->getName()}};
403 if (Base->isVirtual())
404 Val["isVirtual"] = true;
405 Ret.push_back(std::move(Val));
406 }
407 return Ret;
408 }
409
410 #define FIELD2(Name, Flag) if (RD->Flag()) Ret[Name] = true
411 #define FIELD1(Flag) FIELD2(#Flag, Flag)
412
413 static llvm::json::Object
createDefaultConstructorDefinitionData(const CXXRecordDecl * RD)414 createDefaultConstructorDefinitionData(const CXXRecordDecl *RD) {
415 llvm::json::Object Ret;
416
417 FIELD2("exists", hasDefaultConstructor);
418 FIELD2("trivial", hasTrivialDefaultConstructor);
419 FIELD2("nonTrivial", hasNonTrivialDefaultConstructor);
420 FIELD2("userProvided", hasUserProvidedDefaultConstructor);
421 FIELD2("isConstexpr", hasConstexprDefaultConstructor);
422 FIELD2("needsImplicit", needsImplicitDefaultConstructor);
423 FIELD2("defaultedIsConstexpr", defaultedDefaultConstructorIsConstexpr);
424
425 return Ret;
426 }
427
428 static llvm::json::Object
createCopyConstructorDefinitionData(const CXXRecordDecl * RD)429 createCopyConstructorDefinitionData(const CXXRecordDecl *RD) {
430 llvm::json::Object Ret;
431
432 FIELD2("simple", hasSimpleCopyConstructor);
433 FIELD2("trivial", hasTrivialCopyConstructor);
434 FIELD2("nonTrivial", hasNonTrivialCopyConstructor);
435 FIELD2("userDeclared", hasUserDeclaredCopyConstructor);
436 FIELD2("hasConstParam", hasCopyConstructorWithConstParam);
437 FIELD2("implicitHasConstParam", implicitCopyConstructorHasConstParam);
438 FIELD2("needsImplicit", needsImplicitCopyConstructor);
439 FIELD2("needsOverloadResolution", needsOverloadResolutionForCopyConstructor);
440 if (!RD->needsOverloadResolutionForCopyConstructor())
441 FIELD2("defaultedIsDeleted", defaultedCopyConstructorIsDeleted);
442
443 return Ret;
444 }
445
446 static llvm::json::Object
createMoveConstructorDefinitionData(const CXXRecordDecl * RD)447 createMoveConstructorDefinitionData(const CXXRecordDecl *RD) {
448 llvm::json::Object Ret;
449
450 FIELD2("exists", hasMoveConstructor);
451 FIELD2("simple", hasSimpleMoveConstructor);
452 FIELD2("trivial", hasTrivialMoveConstructor);
453 FIELD2("nonTrivial", hasNonTrivialMoveConstructor);
454 FIELD2("userDeclared", hasUserDeclaredMoveConstructor);
455 FIELD2("needsImplicit", needsImplicitMoveConstructor);
456 FIELD2("needsOverloadResolution", needsOverloadResolutionForMoveConstructor);
457 if (!RD->needsOverloadResolutionForMoveConstructor())
458 FIELD2("defaultedIsDeleted", defaultedMoveConstructorIsDeleted);
459
460 return Ret;
461 }
462
463 static llvm::json::Object
createCopyAssignmentDefinitionData(const CXXRecordDecl * RD)464 createCopyAssignmentDefinitionData(const CXXRecordDecl *RD) {
465 llvm::json::Object Ret;
466
467 FIELD2("simple", hasSimpleCopyAssignment);
468 FIELD2("trivial", hasTrivialCopyAssignment);
469 FIELD2("nonTrivial", hasNonTrivialCopyAssignment);
470 FIELD2("hasConstParam", hasCopyAssignmentWithConstParam);
471 FIELD2("implicitHasConstParam", implicitCopyAssignmentHasConstParam);
472 FIELD2("userDeclared", hasUserDeclaredCopyAssignment);
473 FIELD2("needsImplicit", needsImplicitCopyAssignment);
474 FIELD2("needsOverloadResolution", needsOverloadResolutionForCopyAssignment);
475
476 return Ret;
477 }
478
479 static llvm::json::Object
createMoveAssignmentDefinitionData(const CXXRecordDecl * RD)480 createMoveAssignmentDefinitionData(const CXXRecordDecl *RD) {
481 llvm::json::Object Ret;
482
483 FIELD2("exists", hasMoveAssignment);
484 FIELD2("simple", hasSimpleMoveAssignment);
485 FIELD2("trivial", hasTrivialMoveAssignment);
486 FIELD2("nonTrivial", hasNonTrivialMoveAssignment);
487 FIELD2("userDeclared", hasUserDeclaredMoveAssignment);
488 FIELD2("needsImplicit", needsImplicitMoveAssignment);
489 FIELD2("needsOverloadResolution", needsOverloadResolutionForMoveAssignment);
490
491 return Ret;
492 }
493
494 static llvm::json::Object
createDestructorDefinitionData(const CXXRecordDecl * RD)495 createDestructorDefinitionData(const CXXRecordDecl *RD) {
496 llvm::json::Object Ret;
497
498 FIELD2("simple", hasSimpleDestructor);
499 FIELD2("irrelevant", hasIrrelevantDestructor);
500 FIELD2("trivial", hasTrivialDestructor);
501 FIELD2("nonTrivial", hasNonTrivialDestructor);
502 FIELD2("userDeclared", hasUserDeclaredDestructor);
503 FIELD2("needsImplicit", needsImplicitDestructor);
504 FIELD2("needsOverloadResolution", needsOverloadResolutionForDestructor);
505 if (!RD->needsOverloadResolutionForDestructor())
506 FIELD2("defaultedIsDeleted", defaultedDestructorIsDeleted);
507
508 return Ret;
509 }
510
511 llvm::json::Object
createCXXRecordDefinitionData(const CXXRecordDecl * RD)512 JSONNodeDumper::createCXXRecordDefinitionData(const CXXRecordDecl *RD) {
513 llvm::json::Object Ret;
514
515 // This data is common to all C++ classes.
516 FIELD1(isGenericLambda);
517 FIELD1(isLambda);
518 FIELD1(isEmpty);
519 FIELD1(isAggregate);
520 FIELD1(isStandardLayout);
521 FIELD1(isTriviallyCopyable);
522 FIELD1(isPOD);
523 FIELD1(isTrivial);
524 FIELD1(isPolymorphic);
525 FIELD1(isAbstract);
526 FIELD1(isLiteral);
527 FIELD1(canPassInRegisters);
528 FIELD1(hasUserDeclaredConstructor);
529 FIELD1(hasConstexprNonCopyMoveConstructor);
530 FIELD1(hasMutableFields);
531 FIELD1(hasVariantMembers);
532 FIELD2("canConstDefaultInit", allowConstDefaultInit);
533
534 Ret["defaultCtor"] = createDefaultConstructorDefinitionData(RD);
535 Ret["copyCtor"] = createCopyConstructorDefinitionData(RD);
536 Ret["moveCtor"] = createMoveConstructorDefinitionData(RD);
537 Ret["copyAssign"] = createCopyAssignmentDefinitionData(RD);
538 Ret["moveAssign"] = createMoveAssignmentDefinitionData(RD);
539 Ret["dtor"] = createDestructorDefinitionData(RD);
540
541 return Ret;
542 }
543
544 #undef FIELD1
545 #undef FIELD2
546
createAccessSpecifier(AccessSpecifier AS)547 std::string JSONNodeDumper::createAccessSpecifier(AccessSpecifier AS) {
548 const auto AccessSpelling = getAccessSpelling(AS);
549 if (AccessSpelling.empty())
550 return "none";
551 return AccessSpelling.str();
552 }
553
554 llvm::json::Object
createCXXBaseSpecifier(const CXXBaseSpecifier & BS)555 JSONNodeDumper::createCXXBaseSpecifier(const CXXBaseSpecifier &BS) {
556 llvm::json::Object Ret;
557
558 Ret["type"] = createQualType(BS.getType());
559 Ret["access"] = createAccessSpecifier(BS.getAccessSpecifier());
560 Ret["writtenAccess"] =
561 createAccessSpecifier(BS.getAccessSpecifierAsWritten());
562 if (BS.isVirtual())
563 Ret["isVirtual"] = true;
564 if (BS.isPackExpansion())
565 Ret["isPackExpansion"] = true;
566
567 return Ret;
568 }
569
VisitAliasAttr(const AliasAttr * AA)570 void JSONNodeDumper::VisitAliasAttr(const AliasAttr *AA) {
571 JOS.attribute("aliasee", AA->getAliasee());
572 }
573
VisitCleanupAttr(const CleanupAttr * CA)574 void JSONNodeDumper::VisitCleanupAttr(const CleanupAttr *CA) {
575 JOS.attribute("cleanup_function", createBareDeclRef(CA->getFunctionDecl()));
576 }
577
VisitDeprecatedAttr(const DeprecatedAttr * DA)578 void JSONNodeDumper::VisitDeprecatedAttr(const DeprecatedAttr *DA) {
579 if (!DA->getMessage().empty())
580 JOS.attribute("message", DA->getMessage());
581 if (!DA->getReplacement().empty())
582 JOS.attribute("replacement", DA->getReplacement());
583 }
584
VisitUnavailableAttr(const UnavailableAttr * UA)585 void JSONNodeDumper::VisitUnavailableAttr(const UnavailableAttr *UA) {
586 if (!UA->getMessage().empty())
587 JOS.attribute("message", UA->getMessage());
588 }
589
VisitSectionAttr(const SectionAttr * SA)590 void JSONNodeDumper::VisitSectionAttr(const SectionAttr *SA) {
591 JOS.attribute("section_name", SA->getName());
592 }
593
VisitVisibilityAttr(const VisibilityAttr * VA)594 void JSONNodeDumper::VisitVisibilityAttr(const VisibilityAttr *VA) {
595 JOS.attribute("visibility", VisibilityAttr::ConvertVisibilityTypeToStr(
596 VA->getVisibility()));
597 }
598
VisitTLSModelAttr(const TLSModelAttr * TA)599 void JSONNodeDumper::VisitTLSModelAttr(const TLSModelAttr *TA) {
600 JOS.attribute("tls_model", TA->getModel());
601 }
602
VisitTypedefType(const TypedefType * TT)603 void JSONNodeDumper::VisitTypedefType(const TypedefType *TT) {
604 JOS.attribute("decl", createBareDeclRef(TT->getDecl()));
605 if (!TT->typeMatchesDecl())
606 JOS.attribute("type", createQualType(TT->desugar()));
607 }
608
VisitUsingType(const UsingType * TT)609 void JSONNodeDumper::VisitUsingType(const UsingType *TT) {
610 JOS.attribute("decl", createBareDeclRef(TT->getFoundDecl()));
611 if (!TT->typeMatchesDecl())
612 JOS.attribute("type", createQualType(TT->desugar()));
613 }
614
VisitFunctionType(const FunctionType * T)615 void JSONNodeDumper::VisitFunctionType(const FunctionType *T) {
616 FunctionType::ExtInfo E = T->getExtInfo();
617 attributeOnlyIfTrue("noreturn", E.getNoReturn());
618 attributeOnlyIfTrue("producesResult", E.getProducesResult());
619 if (E.getHasRegParm())
620 JOS.attribute("regParm", E.getRegParm());
621 JOS.attribute("cc", FunctionType::getNameForCallConv(E.getCC()));
622 }
623
VisitFunctionProtoType(const FunctionProtoType * T)624 void JSONNodeDumper::VisitFunctionProtoType(const FunctionProtoType *T) {
625 FunctionProtoType::ExtProtoInfo E = T->getExtProtoInfo();
626 attributeOnlyIfTrue("trailingReturn", E.HasTrailingReturn);
627 attributeOnlyIfTrue("const", T->isConst());
628 attributeOnlyIfTrue("volatile", T->isVolatile());
629 attributeOnlyIfTrue("restrict", T->isRestrict());
630 attributeOnlyIfTrue("variadic", E.Variadic);
631 switch (E.RefQualifier) {
632 case RQ_LValue: JOS.attribute("refQualifier", "&"); break;
633 case RQ_RValue: JOS.attribute("refQualifier", "&&"); break;
634 case RQ_None: break;
635 }
636 switch (E.ExceptionSpec.Type) {
637 case EST_DynamicNone:
638 case EST_Dynamic: {
639 JOS.attribute("exceptionSpec", "throw");
640 llvm::json::Array Types;
641 for (QualType QT : E.ExceptionSpec.Exceptions)
642 Types.push_back(createQualType(QT));
643 JOS.attribute("exceptionTypes", std::move(Types));
644 } break;
645 case EST_MSAny:
646 JOS.attribute("exceptionSpec", "throw");
647 JOS.attribute("throwsAny", true);
648 break;
649 case EST_BasicNoexcept:
650 JOS.attribute("exceptionSpec", "noexcept");
651 break;
652 case EST_NoexceptTrue:
653 case EST_NoexceptFalse:
654 JOS.attribute("exceptionSpec", "noexcept");
655 JOS.attribute("conditionEvaluatesTo",
656 E.ExceptionSpec.Type == EST_NoexceptTrue);
657 //JOS.attributeWithCall("exceptionSpecExpr",
658 // [this, E]() { Visit(E.ExceptionSpec.NoexceptExpr); });
659 break;
660 case EST_NoThrow:
661 JOS.attribute("exceptionSpec", "nothrow");
662 break;
663 // FIXME: I cannot find a way to trigger these cases while dumping the AST. I
664 // suspect you can only run into them when executing an AST dump from within
665 // the debugger, which is not a use case we worry about for the JSON dumping
666 // feature.
667 case EST_DependentNoexcept:
668 case EST_Unevaluated:
669 case EST_Uninstantiated:
670 case EST_Unparsed:
671 case EST_None: break;
672 }
673 VisitFunctionType(T);
674 }
675
VisitRValueReferenceType(const ReferenceType * RT)676 void JSONNodeDumper::VisitRValueReferenceType(const ReferenceType *RT) {
677 attributeOnlyIfTrue("spelledAsLValue", RT->isSpelledAsLValue());
678 }
679
VisitArrayType(const ArrayType * AT)680 void JSONNodeDumper::VisitArrayType(const ArrayType *AT) {
681 switch (AT->getSizeModifier()) {
682 case ArraySizeModifier::Star:
683 JOS.attribute("sizeModifier", "*");
684 break;
685 case ArraySizeModifier::Static:
686 JOS.attribute("sizeModifier", "static");
687 break;
688 case ArraySizeModifier::Normal:
689 break;
690 }
691
692 std::string Str = AT->getIndexTypeQualifiers().getAsString();
693 if (!Str.empty())
694 JOS.attribute("indexTypeQualifiers", Str);
695 }
696
VisitConstantArrayType(const ConstantArrayType * CAT)697 void JSONNodeDumper::VisitConstantArrayType(const ConstantArrayType *CAT) {
698 // FIXME: this should use ZExt instead of SExt, but JSON doesn't allow a
699 // narrowing conversion to int64_t so it cannot be expressed.
700 JOS.attribute("size", CAT->getSExtSize());
701 VisitArrayType(CAT);
702 }
703
VisitDependentSizedExtVectorType(const DependentSizedExtVectorType * VT)704 void JSONNodeDumper::VisitDependentSizedExtVectorType(
705 const DependentSizedExtVectorType *VT) {
706 JOS.attributeObject(
707 "attrLoc", [VT, this] { writeSourceLocation(VT->getAttributeLoc()); });
708 }
709
VisitVectorType(const VectorType * VT)710 void JSONNodeDumper::VisitVectorType(const VectorType *VT) {
711 JOS.attribute("numElements", VT->getNumElements());
712 switch (VT->getVectorKind()) {
713 case VectorKind::Generic:
714 break;
715 case VectorKind::AltiVecVector:
716 JOS.attribute("vectorKind", "altivec");
717 break;
718 case VectorKind::AltiVecPixel:
719 JOS.attribute("vectorKind", "altivec pixel");
720 break;
721 case VectorKind::AltiVecBool:
722 JOS.attribute("vectorKind", "altivec bool");
723 break;
724 case VectorKind::Neon:
725 JOS.attribute("vectorKind", "neon");
726 break;
727 case VectorKind::NeonPoly:
728 JOS.attribute("vectorKind", "neon poly");
729 break;
730 case VectorKind::SveFixedLengthData:
731 JOS.attribute("vectorKind", "fixed-length sve data vector");
732 break;
733 case VectorKind::SveFixedLengthPredicate:
734 JOS.attribute("vectorKind", "fixed-length sve predicate vector");
735 break;
736 case VectorKind::RVVFixedLengthData:
737 JOS.attribute("vectorKind", "fixed-length rvv data vector");
738 break;
739 case VectorKind::RVVFixedLengthMask:
740 JOS.attribute("vectorKind", "fixed-length rvv mask vector");
741 break;
742 }
743 }
744
VisitUnresolvedUsingType(const UnresolvedUsingType * UUT)745 void JSONNodeDumper::VisitUnresolvedUsingType(const UnresolvedUsingType *UUT) {
746 JOS.attribute("decl", createBareDeclRef(UUT->getDecl()));
747 }
748
VisitUnaryTransformType(const UnaryTransformType * UTT)749 void JSONNodeDumper::VisitUnaryTransformType(const UnaryTransformType *UTT) {
750 switch (UTT->getUTTKind()) {
751 #define TRANSFORM_TYPE_TRAIT_DEF(Enum, Trait) \
752 case UnaryTransformType::Enum: \
753 JOS.attribute("transformKind", #Trait); \
754 break;
755 #include "clang/Basic/TransformTypeTraits.def"
756 }
757 }
758
VisitTagType(const TagType * TT)759 void JSONNodeDumper::VisitTagType(const TagType *TT) {
760 JOS.attribute("decl", createBareDeclRef(TT->getDecl()));
761 }
762
VisitTemplateTypeParmType(const TemplateTypeParmType * TTPT)763 void JSONNodeDumper::VisitTemplateTypeParmType(
764 const TemplateTypeParmType *TTPT) {
765 JOS.attribute("depth", TTPT->getDepth());
766 JOS.attribute("index", TTPT->getIndex());
767 attributeOnlyIfTrue("isPack", TTPT->isParameterPack());
768 JOS.attribute("decl", createBareDeclRef(TTPT->getDecl()));
769 }
770
VisitSubstTemplateTypeParmType(const SubstTemplateTypeParmType * STTPT)771 void JSONNodeDumper::VisitSubstTemplateTypeParmType(
772 const SubstTemplateTypeParmType *STTPT) {
773 JOS.attribute("index", STTPT->getIndex());
774 if (auto PackIndex = STTPT->getPackIndex())
775 JOS.attribute("pack_index", *PackIndex);
776 }
777
VisitSubstTemplateTypeParmPackType(const SubstTemplateTypeParmPackType * T)778 void JSONNodeDumper::VisitSubstTemplateTypeParmPackType(
779 const SubstTemplateTypeParmPackType *T) {
780 JOS.attribute("index", T->getIndex());
781 }
782
VisitAutoType(const AutoType * AT)783 void JSONNodeDumper::VisitAutoType(const AutoType *AT) {
784 JOS.attribute("undeduced", !AT->isDeduced());
785 switch (AT->getKeyword()) {
786 case AutoTypeKeyword::Auto:
787 JOS.attribute("typeKeyword", "auto");
788 break;
789 case AutoTypeKeyword::DecltypeAuto:
790 JOS.attribute("typeKeyword", "decltype(auto)");
791 break;
792 case AutoTypeKeyword::GNUAutoType:
793 JOS.attribute("typeKeyword", "__auto_type");
794 break;
795 }
796 }
797
VisitTemplateSpecializationType(const TemplateSpecializationType * TST)798 void JSONNodeDumper::VisitTemplateSpecializationType(
799 const TemplateSpecializationType *TST) {
800 attributeOnlyIfTrue("isAlias", TST->isTypeAlias());
801
802 std::string Str;
803 llvm::raw_string_ostream OS(Str);
804 TST->getTemplateName().print(OS, PrintPolicy);
805 JOS.attribute("templateName", Str);
806 }
807
VisitInjectedClassNameType(const InjectedClassNameType * ICNT)808 void JSONNodeDumper::VisitInjectedClassNameType(
809 const InjectedClassNameType *ICNT) {
810 JOS.attribute("decl", createBareDeclRef(ICNT->getDecl()));
811 }
812
VisitObjCInterfaceType(const ObjCInterfaceType * OIT)813 void JSONNodeDumper::VisitObjCInterfaceType(const ObjCInterfaceType *OIT) {
814 JOS.attribute("decl", createBareDeclRef(OIT->getDecl()));
815 }
816
VisitPackExpansionType(const PackExpansionType * PET)817 void JSONNodeDumper::VisitPackExpansionType(const PackExpansionType *PET) {
818 if (std::optional<unsigned> N = PET->getNumExpansions())
819 JOS.attribute("numExpansions", *N);
820 }
821
VisitElaboratedType(const ElaboratedType * ET)822 void JSONNodeDumper::VisitElaboratedType(const ElaboratedType *ET) {
823 if (const NestedNameSpecifier *NNS = ET->getQualifier()) {
824 std::string Str;
825 llvm::raw_string_ostream OS(Str);
826 NNS->print(OS, PrintPolicy, /*ResolveTemplateArgs*/ true);
827 JOS.attribute("qualifier", Str);
828 }
829 if (const TagDecl *TD = ET->getOwnedTagDecl())
830 JOS.attribute("ownedTagDecl", createBareDeclRef(TD));
831 }
832
VisitMacroQualifiedType(const MacroQualifiedType * MQT)833 void JSONNodeDumper::VisitMacroQualifiedType(const MacroQualifiedType *MQT) {
834 JOS.attribute("macroName", MQT->getMacroIdentifier()->getName());
835 }
836
VisitMemberPointerType(const MemberPointerType * MPT)837 void JSONNodeDumper::VisitMemberPointerType(const MemberPointerType *MPT) {
838 attributeOnlyIfTrue("isData", MPT->isMemberDataPointer());
839 attributeOnlyIfTrue("isFunction", MPT->isMemberFunctionPointer());
840 }
841
VisitNamedDecl(const NamedDecl * ND)842 void JSONNodeDumper::VisitNamedDecl(const NamedDecl *ND) {
843 if (ND && ND->getDeclName()) {
844 JOS.attribute("name", ND->getNameAsString());
845 // FIXME: There are likely other contexts in which it makes no sense to ask
846 // for a mangled name.
847 if (isa<RequiresExprBodyDecl>(ND->getDeclContext()))
848 return;
849
850 // If the declaration is dependent or is in a dependent context, then the
851 // mangling is unlikely to be meaningful (and in some cases may cause
852 // "don't know how to mangle this" assertion failures.
853 if (ND->isTemplated())
854 return;
855
856 // Mangled names are not meaningful for locals, and may not be well-defined
857 // in the case of VLAs.
858 auto *VD = dyn_cast<VarDecl>(ND);
859 if (VD && VD->hasLocalStorage())
860 return;
861
862 // Do not mangle template deduction guides.
863 if (isa<CXXDeductionGuideDecl>(ND))
864 return;
865
866 std::string MangledName = ASTNameGen.getName(ND);
867 if (!MangledName.empty())
868 JOS.attribute("mangledName", MangledName);
869 }
870 }
871
VisitTypedefDecl(const TypedefDecl * TD)872 void JSONNodeDumper::VisitTypedefDecl(const TypedefDecl *TD) {
873 VisitNamedDecl(TD);
874 JOS.attribute("type", createQualType(TD->getUnderlyingType()));
875 }
876
VisitTypeAliasDecl(const TypeAliasDecl * TAD)877 void JSONNodeDumper::VisitTypeAliasDecl(const TypeAliasDecl *TAD) {
878 VisitNamedDecl(TAD);
879 JOS.attribute("type", createQualType(TAD->getUnderlyingType()));
880 }
881
VisitNamespaceDecl(const NamespaceDecl * ND)882 void JSONNodeDumper::VisitNamespaceDecl(const NamespaceDecl *ND) {
883 VisitNamedDecl(ND);
884 attributeOnlyIfTrue("isInline", ND->isInline());
885 attributeOnlyIfTrue("isNested", ND->isNested());
886 if (!ND->isFirstDecl())
887 JOS.attribute("originalNamespace", createBareDeclRef(ND->getFirstDecl()));
888 }
889
VisitUsingDirectiveDecl(const UsingDirectiveDecl * UDD)890 void JSONNodeDumper::VisitUsingDirectiveDecl(const UsingDirectiveDecl *UDD) {
891 JOS.attribute("nominatedNamespace",
892 createBareDeclRef(UDD->getNominatedNamespace()));
893 }
894
VisitNamespaceAliasDecl(const NamespaceAliasDecl * NAD)895 void JSONNodeDumper::VisitNamespaceAliasDecl(const NamespaceAliasDecl *NAD) {
896 VisitNamedDecl(NAD);
897 JOS.attribute("aliasedNamespace",
898 createBareDeclRef(NAD->getAliasedNamespace()));
899 }
900
VisitUsingDecl(const UsingDecl * UD)901 void JSONNodeDumper::VisitUsingDecl(const UsingDecl *UD) {
902 std::string Name;
903 if (const NestedNameSpecifier *NNS = UD->getQualifier()) {
904 llvm::raw_string_ostream SOS(Name);
905 NNS->print(SOS, UD->getASTContext().getPrintingPolicy());
906 }
907 Name += UD->getNameAsString();
908 JOS.attribute("name", Name);
909 }
910
VisitUsingEnumDecl(const UsingEnumDecl * UED)911 void JSONNodeDumper::VisitUsingEnumDecl(const UsingEnumDecl *UED) {
912 JOS.attribute("target", createBareDeclRef(UED->getEnumDecl()));
913 }
914
VisitUsingShadowDecl(const UsingShadowDecl * USD)915 void JSONNodeDumper::VisitUsingShadowDecl(const UsingShadowDecl *USD) {
916 JOS.attribute("target", createBareDeclRef(USD->getTargetDecl()));
917 }
918
VisitVarDecl(const VarDecl * VD)919 void JSONNodeDumper::VisitVarDecl(const VarDecl *VD) {
920 VisitNamedDecl(VD);
921 JOS.attribute("type", createQualType(VD->getType()));
922 if (const auto *P = dyn_cast<ParmVarDecl>(VD))
923 attributeOnlyIfTrue("explicitObjectParameter",
924 P->isExplicitObjectParameter());
925
926 StorageClass SC = VD->getStorageClass();
927 if (SC != SC_None)
928 JOS.attribute("storageClass", VarDecl::getStorageClassSpecifierString(SC));
929 switch (VD->getTLSKind()) {
930 case VarDecl::TLS_Dynamic: JOS.attribute("tls", "dynamic"); break;
931 case VarDecl::TLS_Static: JOS.attribute("tls", "static"); break;
932 case VarDecl::TLS_None: break;
933 }
934 attributeOnlyIfTrue("nrvo", VD->isNRVOVariable());
935 attributeOnlyIfTrue("inline", VD->isInline());
936 attributeOnlyIfTrue("constexpr", VD->isConstexpr());
937 attributeOnlyIfTrue("modulePrivate", VD->isModulePrivate());
938 if (VD->hasInit()) {
939 switch (VD->getInitStyle()) {
940 case VarDecl::CInit: JOS.attribute("init", "c"); break;
941 case VarDecl::CallInit: JOS.attribute("init", "call"); break;
942 case VarDecl::ListInit: JOS.attribute("init", "list"); break;
943 case VarDecl::ParenListInit:
944 JOS.attribute("init", "paren-list");
945 break;
946 }
947 }
948 attributeOnlyIfTrue("isParameterPack", VD->isParameterPack());
949 }
950
VisitFieldDecl(const FieldDecl * FD)951 void JSONNodeDumper::VisitFieldDecl(const FieldDecl *FD) {
952 VisitNamedDecl(FD);
953 JOS.attribute("type", createQualType(FD->getType()));
954 attributeOnlyIfTrue("mutable", FD->isMutable());
955 attributeOnlyIfTrue("modulePrivate", FD->isModulePrivate());
956 attributeOnlyIfTrue("isBitfield", FD->isBitField());
957 attributeOnlyIfTrue("hasInClassInitializer", FD->hasInClassInitializer());
958 }
959
VisitFunctionDecl(const FunctionDecl * FD)960 void JSONNodeDumper::VisitFunctionDecl(const FunctionDecl *FD) {
961 VisitNamedDecl(FD);
962 JOS.attribute("type", createQualType(FD->getType()));
963 StorageClass SC = FD->getStorageClass();
964 if (SC != SC_None)
965 JOS.attribute("storageClass", VarDecl::getStorageClassSpecifierString(SC));
966 attributeOnlyIfTrue("inline", FD->isInlineSpecified());
967 attributeOnlyIfTrue("virtual", FD->isVirtualAsWritten());
968 attributeOnlyIfTrue("pure", FD->isPureVirtual());
969 attributeOnlyIfTrue("explicitlyDeleted", FD->isDeletedAsWritten());
970 attributeOnlyIfTrue("constexpr", FD->isConstexpr());
971 attributeOnlyIfTrue("variadic", FD->isVariadic());
972 attributeOnlyIfTrue("immediate", FD->isImmediateFunction());
973
974 if (FD->isDefaulted())
975 JOS.attribute("explicitlyDefaulted",
976 FD->isDeleted() ? "deleted" : "default");
977
978 if (StringLiteral *Msg = FD->getDeletedMessage())
979 JOS.attribute("deletedMessage", Msg->getString());
980 }
981
VisitEnumDecl(const EnumDecl * ED)982 void JSONNodeDumper::VisitEnumDecl(const EnumDecl *ED) {
983 VisitNamedDecl(ED);
984 if (ED->isFixed())
985 JOS.attribute("fixedUnderlyingType", createQualType(ED->getIntegerType()));
986 if (ED->isScoped())
987 JOS.attribute("scopedEnumTag",
988 ED->isScopedUsingClassTag() ? "class" : "struct");
989 }
VisitEnumConstantDecl(const EnumConstantDecl * ECD)990 void JSONNodeDumper::VisitEnumConstantDecl(const EnumConstantDecl *ECD) {
991 VisitNamedDecl(ECD);
992 JOS.attribute("type", createQualType(ECD->getType()));
993 }
994
VisitRecordDecl(const RecordDecl * RD)995 void JSONNodeDumper::VisitRecordDecl(const RecordDecl *RD) {
996 VisitNamedDecl(RD);
997 JOS.attribute("tagUsed", RD->getKindName());
998 attributeOnlyIfTrue("completeDefinition", RD->isCompleteDefinition());
999 }
VisitCXXRecordDecl(const CXXRecordDecl * RD)1000 void JSONNodeDumper::VisitCXXRecordDecl(const CXXRecordDecl *RD) {
1001 VisitRecordDecl(RD);
1002
1003 // All other information requires a complete definition.
1004 if (!RD->isCompleteDefinition())
1005 return;
1006
1007 JOS.attribute("definitionData", createCXXRecordDefinitionData(RD));
1008 if (RD->getNumBases()) {
1009 JOS.attributeArray("bases", [this, RD] {
1010 for (const auto &Spec : RD->bases())
1011 JOS.value(createCXXBaseSpecifier(Spec));
1012 });
1013 }
1014 }
1015
VisitHLSLBufferDecl(const HLSLBufferDecl * D)1016 void JSONNodeDumper::VisitHLSLBufferDecl(const HLSLBufferDecl *D) {
1017 VisitNamedDecl(D);
1018 JOS.attribute("bufferKind", D->isCBuffer() ? "cbuffer" : "tbuffer");
1019 }
1020
VisitTemplateTypeParmDecl(const TemplateTypeParmDecl * D)1021 void JSONNodeDumper::VisitTemplateTypeParmDecl(const TemplateTypeParmDecl *D) {
1022 VisitNamedDecl(D);
1023 JOS.attribute("tagUsed", D->wasDeclaredWithTypename() ? "typename" : "class");
1024 JOS.attribute("depth", D->getDepth());
1025 JOS.attribute("index", D->getIndex());
1026 attributeOnlyIfTrue("isParameterPack", D->isParameterPack());
1027
1028 if (D->hasDefaultArgument())
1029 JOS.attributeObject("defaultArg", [=] {
1030 Visit(D->getDefaultArgument().getArgument(), SourceRange(),
1031 D->getDefaultArgStorage().getInheritedFrom(),
1032 D->defaultArgumentWasInherited() ? "inherited from" : "previous");
1033 });
1034 }
1035
VisitNonTypeTemplateParmDecl(const NonTypeTemplateParmDecl * D)1036 void JSONNodeDumper::VisitNonTypeTemplateParmDecl(
1037 const NonTypeTemplateParmDecl *D) {
1038 VisitNamedDecl(D);
1039 JOS.attribute("type", createQualType(D->getType()));
1040 JOS.attribute("depth", D->getDepth());
1041 JOS.attribute("index", D->getIndex());
1042 attributeOnlyIfTrue("isParameterPack", D->isParameterPack());
1043
1044 if (D->hasDefaultArgument())
1045 JOS.attributeObject("defaultArg", [=] {
1046 Visit(D->getDefaultArgument().getArgument(), SourceRange(),
1047 D->getDefaultArgStorage().getInheritedFrom(),
1048 D->defaultArgumentWasInherited() ? "inherited from" : "previous");
1049 });
1050 }
1051
VisitTemplateTemplateParmDecl(const TemplateTemplateParmDecl * D)1052 void JSONNodeDumper::VisitTemplateTemplateParmDecl(
1053 const TemplateTemplateParmDecl *D) {
1054 VisitNamedDecl(D);
1055 JOS.attribute("depth", D->getDepth());
1056 JOS.attribute("index", D->getIndex());
1057 attributeOnlyIfTrue("isParameterPack", D->isParameterPack());
1058
1059 if (D->hasDefaultArgument())
1060 JOS.attributeObject("defaultArg", [=] {
1061 const auto *InheritedFrom = D->getDefaultArgStorage().getInheritedFrom();
1062 Visit(D->getDefaultArgument().getArgument(),
1063 InheritedFrom ? InheritedFrom->getSourceRange() : SourceLocation{},
1064 InheritedFrom,
1065 D->defaultArgumentWasInherited() ? "inherited from" : "previous");
1066 });
1067 }
1068
VisitLinkageSpecDecl(const LinkageSpecDecl * LSD)1069 void JSONNodeDumper::VisitLinkageSpecDecl(const LinkageSpecDecl *LSD) {
1070 StringRef Lang;
1071 switch (LSD->getLanguage()) {
1072 case LinkageSpecLanguageIDs::C:
1073 Lang = "C";
1074 break;
1075 case LinkageSpecLanguageIDs::CXX:
1076 Lang = "C++";
1077 break;
1078 }
1079 JOS.attribute("language", Lang);
1080 attributeOnlyIfTrue("hasBraces", LSD->hasBraces());
1081 }
1082
VisitAccessSpecDecl(const AccessSpecDecl * ASD)1083 void JSONNodeDumper::VisitAccessSpecDecl(const AccessSpecDecl *ASD) {
1084 JOS.attribute("access", createAccessSpecifier(ASD->getAccess()));
1085 }
1086
VisitFriendDecl(const FriendDecl * FD)1087 void JSONNodeDumper::VisitFriendDecl(const FriendDecl *FD) {
1088 if (const TypeSourceInfo *T = FD->getFriendType())
1089 JOS.attribute("type", createQualType(T->getType()));
1090 }
1091
VisitObjCIvarDecl(const ObjCIvarDecl * D)1092 void JSONNodeDumper::VisitObjCIvarDecl(const ObjCIvarDecl *D) {
1093 VisitNamedDecl(D);
1094 JOS.attribute("type", createQualType(D->getType()));
1095 attributeOnlyIfTrue("synthesized", D->getSynthesize());
1096 switch (D->getAccessControl()) {
1097 case ObjCIvarDecl::None: JOS.attribute("access", "none"); break;
1098 case ObjCIvarDecl::Private: JOS.attribute("access", "private"); break;
1099 case ObjCIvarDecl::Protected: JOS.attribute("access", "protected"); break;
1100 case ObjCIvarDecl::Public: JOS.attribute("access", "public"); break;
1101 case ObjCIvarDecl::Package: JOS.attribute("access", "package"); break;
1102 }
1103 }
1104
VisitObjCMethodDecl(const ObjCMethodDecl * D)1105 void JSONNodeDumper::VisitObjCMethodDecl(const ObjCMethodDecl *D) {
1106 VisitNamedDecl(D);
1107 JOS.attribute("returnType", createQualType(D->getReturnType()));
1108 JOS.attribute("instance", D->isInstanceMethod());
1109 attributeOnlyIfTrue("variadic", D->isVariadic());
1110 }
1111
VisitObjCTypeParamDecl(const ObjCTypeParamDecl * D)1112 void JSONNodeDumper::VisitObjCTypeParamDecl(const ObjCTypeParamDecl *D) {
1113 VisitNamedDecl(D);
1114 JOS.attribute("type", createQualType(D->getUnderlyingType()));
1115 attributeOnlyIfTrue("bounded", D->hasExplicitBound());
1116 switch (D->getVariance()) {
1117 case ObjCTypeParamVariance::Invariant:
1118 break;
1119 case ObjCTypeParamVariance::Covariant:
1120 JOS.attribute("variance", "covariant");
1121 break;
1122 case ObjCTypeParamVariance::Contravariant:
1123 JOS.attribute("variance", "contravariant");
1124 break;
1125 }
1126 }
1127
VisitObjCCategoryDecl(const ObjCCategoryDecl * D)1128 void JSONNodeDumper::VisitObjCCategoryDecl(const ObjCCategoryDecl *D) {
1129 VisitNamedDecl(D);
1130 JOS.attribute("interface", createBareDeclRef(D->getClassInterface()));
1131 JOS.attribute("implementation", createBareDeclRef(D->getImplementation()));
1132
1133 llvm::json::Array Protocols;
1134 for (const auto* P : D->protocols())
1135 Protocols.push_back(createBareDeclRef(P));
1136 if (!Protocols.empty())
1137 JOS.attribute("protocols", std::move(Protocols));
1138 }
1139
VisitObjCCategoryImplDecl(const ObjCCategoryImplDecl * D)1140 void JSONNodeDumper::VisitObjCCategoryImplDecl(const ObjCCategoryImplDecl *D) {
1141 VisitNamedDecl(D);
1142 JOS.attribute("interface", createBareDeclRef(D->getClassInterface()));
1143 JOS.attribute("categoryDecl", createBareDeclRef(D->getCategoryDecl()));
1144 }
1145
VisitObjCProtocolDecl(const ObjCProtocolDecl * D)1146 void JSONNodeDumper::VisitObjCProtocolDecl(const ObjCProtocolDecl *D) {
1147 VisitNamedDecl(D);
1148
1149 llvm::json::Array Protocols;
1150 for (const auto *P : D->protocols())
1151 Protocols.push_back(createBareDeclRef(P));
1152 if (!Protocols.empty())
1153 JOS.attribute("protocols", std::move(Protocols));
1154 }
1155
VisitObjCInterfaceDecl(const ObjCInterfaceDecl * D)1156 void JSONNodeDumper::VisitObjCInterfaceDecl(const ObjCInterfaceDecl *D) {
1157 VisitNamedDecl(D);
1158 JOS.attribute("super", createBareDeclRef(D->getSuperClass()));
1159 JOS.attribute("implementation", createBareDeclRef(D->getImplementation()));
1160
1161 llvm::json::Array Protocols;
1162 for (const auto* P : D->protocols())
1163 Protocols.push_back(createBareDeclRef(P));
1164 if (!Protocols.empty())
1165 JOS.attribute("protocols", std::move(Protocols));
1166 }
1167
VisitObjCImplementationDecl(const ObjCImplementationDecl * D)1168 void JSONNodeDumper::VisitObjCImplementationDecl(
1169 const ObjCImplementationDecl *D) {
1170 VisitNamedDecl(D);
1171 JOS.attribute("super", createBareDeclRef(D->getSuperClass()));
1172 JOS.attribute("interface", createBareDeclRef(D->getClassInterface()));
1173 }
1174
VisitObjCCompatibleAliasDecl(const ObjCCompatibleAliasDecl * D)1175 void JSONNodeDumper::VisitObjCCompatibleAliasDecl(
1176 const ObjCCompatibleAliasDecl *D) {
1177 VisitNamedDecl(D);
1178 JOS.attribute("interface", createBareDeclRef(D->getClassInterface()));
1179 }
1180
VisitObjCPropertyDecl(const ObjCPropertyDecl * D)1181 void JSONNodeDumper::VisitObjCPropertyDecl(const ObjCPropertyDecl *D) {
1182 VisitNamedDecl(D);
1183 JOS.attribute("type", createQualType(D->getType()));
1184
1185 switch (D->getPropertyImplementation()) {
1186 case ObjCPropertyDecl::None: break;
1187 case ObjCPropertyDecl::Required: JOS.attribute("control", "required"); break;
1188 case ObjCPropertyDecl::Optional: JOS.attribute("control", "optional"); break;
1189 }
1190
1191 ObjCPropertyAttribute::Kind Attrs = D->getPropertyAttributes();
1192 if (Attrs != ObjCPropertyAttribute::kind_noattr) {
1193 if (Attrs & ObjCPropertyAttribute::kind_getter)
1194 JOS.attribute("getter", createBareDeclRef(D->getGetterMethodDecl()));
1195 if (Attrs & ObjCPropertyAttribute::kind_setter)
1196 JOS.attribute("setter", createBareDeclRef(D->getSetterMethodDecl()));
1197 attributeOnlyIfTrue("readonly",
1198 Attrs & ObjCPropertyAttribute::kind_readonly);
1199 attributeOnlyIfTrue("assign", Attrs & ObjCPropertyAttribute::kind_assign);
1200 attributeOnlyIfTrue("readwrite",
1201 Attrs & ObjCPropertyAttribute::kind_readwrite);
1202 attributeOnlyIfTrue("retain", Attrs & ObjCPropertyAttribute::kind_retain);
1203 attributeOnlyIfTrue("copy", Attrs & ObjCPropertyAttribute::kind_copy);
1204 attributeOnlyIfTrue("nonatomic",
1205 Attrs & ObjCPropertyAttribute::kind_nonatomic);
1206 attributeOnlyIfTrue("atomic", Attrs & ObjCPropertyAttribute::kind_atomic);
1207 attributeOnlyIfTrue("weak", Attrs & ObjCPropertyAttribute::kind_weak);
1208 attributeOnlyIfTrue("strong", Attrs & ObjCPropertyAttribute::kind_strong);
1209 attributeOnlyIfTrue("unsafe_unretained",
1210 Attrs & ObjCPropertyAttribute::kind_unsafe_unretained);
1211 attributeOnlyIfTrue("class", Attrs & ObjCPropertyAttribute::kind_class);
1212 attributeOnlyIfTrue("direct", Attrs & ObjCPropertyAttribute::kind_direct);
1213 attributeOnlyIfTrue("nullability",
1214 Attrs & ObjCPropertyAttribute::kind_nullability);
1215 attributeOnlyIfTrue("null_resettable",
1216 Attrs & ObjCPropertyAttribute::kind_null_resettable);
1217 }
1218 }
1219
VisitObjCPropertyImplDecl(const ObjCPropertyImplDecl * D)1220 void JSONNodeDumper::VisitObjCPropertyImplDecl(const ObjCPropertyImplDecl *D) {
1221 VisitNamedDecl(D->getPropertyDecl());
1222 JOS.attribute("implKind", D->getPropertyImplementation() ==
1223 ObjCPropertyImplDecl::Synthesize
1224 ? "synthesize"
1225 : "dynamic");
1226 JOS.attribute("propertyDecl", createBareDeclRef(D->getPropertyDecl()));
1227 JOS.attribute("ivarDecl", createBareDeclRef(D->getPropertyIvarDecl()));
1228 }
1229
VisitBlockDecl(const BlockDecl * D)1230 void JSONNodeDumper::VisitBlockDecl(const BlockDecl *D) {
1231 attributeOnlyIfTrue("variadic", D->isVariadic());
1232 attributeOnlyIfTrue("capturesThis", D->capturesCXXThis());
1233 }
1234
VisitAtomicExpr(const AtomicExpr * AE)1235 void JSONNodeDumper::VisitAtomicExpr(const AtomicExpr *AE) {
1236 JOS.attribute("name", AE->getOpAsString());
1237 }
1238
VisitObjCEncodeExpr(const ObjCEncodeExpr * OEE)1239 void JSONNodeDumper::VisitObjCEncodeExpr(const ObjCEncodeExpr *OEE) {
1240 JOS.attribute("encodedType", createQualType(OEE->getEncodedType()));
1241 }
1242
VisitObjCMessageExpr(const ObjCMessageExpr * OME)1243 void JSONNodeDumper::VisitObjCMessageExpr(const ObjCMessageExpr *OME) {
1244 std::string Str;
1245 llvm::raw_string_ostream OS(Str);
1246
1247 OME->getSelector().print(OS);
1248 JOS.attribute("selector", Str);
1249
1250 switch (OME->getReceiverKind()) {
1251 case ObjCMessageExpr::Instance:
1252 JOS.attribute("receiverKind", "instance");
1253 break;
1254 case ObjCMessageExpr::Class:
1255 JOS.attribute("receiverKind", "class");
1256 JOS.attribute("classType", createQualType(OME->getClassReceiver()));
1257 break;
1258 case ObjCMessageExpr::SuperInstance:
1259 JOS.attribute("receiverKind", "super (instance)");
1260 JOS.attribute("superType", createQualType(OME->getSuperType()));
1261 break;
1262 case ObjCMessageExpr::SuperClass:
1263 JOS.attribute("receiverKind", "super (class)");
1264 JOS.attribute("superType", createQualType(OME->getSuperType()));
1265 break;
1266 }
1267
1268 QualType CallReturnTy = OME->getCallReturnType(Ctx);
1269 if (OME->getType() != CallReturnTy)
1270 JOS.attribute("callReturnType", createQualType(CallReturnTy));
1271 }
1272
VisitObjCBoxedExpr(const ObjCBoxedExpr * OBE)1273 void JSONNodeDumper::VisitObjCBoxedExpr(const ObjCBoxedExpr *OBE) {
1274 if (const ObjCMethodDecl *MD = OBE->getBoxingMethod()) {
1275 std::string Str;
1276 llvm::raw_string_ostream OS(Str);
1277
1278 MD->getSelector().print(OS);
1279 JOS.attribute("selector", Str);
1280 }
1281 }
1282
VisitObjCSelectorExpr(const ObjCSelectorExpr * OSE)1283 void JSONNodeDumper::VisitObjCSelectorExpr(const ObjCSelectorExpr *OSE) {
1284 std::string Str;
1285 llvm::raw_string_ostream OS(Str);
1286
1287 OSE->getSelector().print(OS);
1288 JOS.attribute("selector", Str);
1289 }
1290
VisitObjCProtocolExpr(const ObjCProtocolExpr * OPE)1291 void JSONNodeDumper::VisitObjCProtocolExpr(const ObjCProtocolExpr *OPE) {
1292 JOS.attribute("protocol", createBareDeclRef(OPE->getProtocol()));
1293 }
1294
VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr * OPRE)1295 void JSONNodeDumper::VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr *OPRE) {
1296 if (OPRE->isImplicitProperty()) {
1297 JOS.attribute("propertyKind", "implicit");
1298 if (const ObjCMethodDecl *MD = OPRE->getImplicitPropertyGetter())
1299 JOS.attribute("getter", createBareDeclRef(MD));
1300 if (const ObjCMethodDecl *MD = OPRE->getImplicitPropertySetter())
1301 JOS.attribute("setter", createBareDeclRef(MD));
1302 } else {
1303 JOS.attribute("propertyKind", "explicit");
1304 JOS.attribute("property", createBareDeclRef(OPRE->getExplicitProperty()));
1305 }
1306
1307 attributeOnlyIfTrue("isSuperReceiver", OPRE->isSuperReceiver());
1308 attributeOnlyIfTrue("isMessagingGetter", OPRE->isMessagingGetter());
1309 attributeOnlyIfTrue("isMessagingSetter", OPRE->isMessagingSetter());
1310 }
1311
VisitObjCSubscriptRefExpr(const ObjCSubscriptRefExpr * OSRE)1312 void JSONNodeDumper::VisitObjCSubscriptRefExpr(
1313 const ObjCSubscriptRefExpr *OSRE) {
1314 JOS.attribute("subscriptKind",
1315 OSRE->isArraySubscriptRefExpr() ? "array" : "dictionary");
1316
1317 if (const ObjCMethodDecl *MD = OSRE->getAtIndexMethodDecl())
1318 JOS.attribute("getter", createBareDeclRef(MD));
1319 if (const ObjCMethodDecl *MD = OSRE->setAtIndexMethodDecl())
1320 JOS.attribute("setter", createBareDeclRef(MD));
1321 }
1322
VisitObjCIvarRefExpr(const ObjCIvarRefExpr * OIRE)1323 void JSONNodeDumper::VisitObjCIvarRefExpr(const ObjCIvarRefExpr *OIRE) {
1324 JOS.attribute("decl", createBareDeclRef(OIRE->getDecl()));
1325 attributeOnlyIfTrue("isFreeIvar", OIRE->isFreeIvar());
1326 JOS.attribute("isArrow", OIRE->isArrow());
1327 }
1328
VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr * OBLE)1329 void JSONNodeDumper::VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr *OBLE) {
1330 JOS.attribute("value", OBLE->getValue() ? "__objc_yes" : "__objc_no");
1331 }
1332
VisitDeclRefExpr(const DeclRefExpr * DRE)1333 void JSONNodeDumper::VisitDeclRefExpr(const DeclRefExpr *DRE) {
1334 JOS.attribute("referencedDecl", createBareDeclRef(DRE->getDecl()));
1335 if (DRE->getDecl() != DRE->getFoundDecl())
1336 JOS.attribute("foundReferencedDecl",
1337 createBareDeclRef(DRE->getFoundDecl()));
1338 switch (DRE->isNonOdrUse()) {
1339 case NOUR_None: break;
1340 case NOUR_Unevaluated: JOS.attribute("nonOdrUseReason", "unevaluated"); break;
1341 case NOUR_Constant: JOS.attribute("nonOdrUseReason", "constant"); break;
1342 case NOUR_Discarded: JOS.attribute("nonOdrUseReason", "discarded"); break;
1343 }
1344 attributeOnlyIfTrue("isImmediateEscalating", DRE->isImmediateEscalating());
1345 }
1346
VisitSYCLUniqueStableNameExpr(const SYCLUniqueStableNameExpr * E)1347 void JSONNodeDumper::VisitSYCLUniqueStableNameExpr(
1348 const SYCLUniqueStableNameExpr *E) {
1349 JOS.attribute("typeSourceInfo",
1350 createQualType(E->getTypeSourceInfo()->getType()));
1351 }
1352
VisitPredefinedExpr(const PredefinedExpr * PE)1353 void JSONNodeDumper::VisitPredefinedExpr(const PredefinedExpr *PE) {
1354 JOS.attribute("name", PredefinedExpr::getIdentKindName(PE->getIdentKind()));
1355 }
1356
VisitUnaryOperator(const UnaryOperator * UO)1357 void JSONNodeDumper::VisitUnaryOperator(const UnaryOperator *UO) {
1358 JOS.attribute("isPostfix", UO->isPostfix());
1359 JOS.attribute("opcode", UnaryOperator::getOpcodeStr(UO->getOpcode()));
1360 if (!UO->canOverflow())
1361 JOS.attribute("canOverflow", false);
1362 }
1363
VisitBinaryOperator(const BinaryOperator * BO)1364 void JSONNodeDumper::VisitBinaryOperator(const BinaryOperator *BO) {
1365 JOS.attribute("opcode", BinaryOperator::getOpcodeStr(BO->getOpcode()));
1366 }
1367
VisitCompoundAssignOperator(const CompoundAssignOperator * CAO)1368 void JSONNodeDumper::VisitCompoundAssignOperator(
1369 const CompoundAssignOperator *CAO) {
1370 VisitBinaryOperator(CAO);
1371 JOS.attribute("computeLHSType", createQualType(CAO->getComputationLHSType()));
1372 JOS.attribute("computeResultType",
1373 createQualType(CAO->getComputationResultType()));
1374 }
1375
VisitMemberExpr(const MemberExpr * ME)1376 void JSONNodeDumper::VisitMemberExpr(const MemberExpr *ME) {
1377 // Note, we always write this Boolean field because the information it conveys
1378 // is critical to understanding the AST node.
1379 ValueDecl *VD = ME->getMemberDecl();
1380 JOS.attribute("name", VD && VD->getDeclName() ? VD->getNameAsString() : "");
1381 JOS.attribute("isArrow", ME->isArrow());
1382 JOS.attribute("referencedMemberDecl", createPointerRepresentation(VD));
1383 switch (ME->isNonOdrUse()) {
1384 case NOUR_None: break;
1385 case NOUR_Unevaluated: JOS.attribute("nonOdrUseReason", "unevaluated"); break;
1386 case NOUR_Constant: JOS.attribute("nonOdrUseReason", "constant"); break;
1387 case NOUR_Discarded: JOS.attribute("nonOdrUseReason", "discarded"); break;
1388 }
1389 }
1390
VisitCXXNewExpr(const CXXNewExpr * NE)1391 void JSONNodeDumper::VisitCXXNewExpr(const CXXNewExpr *NE) {
1392 attributeOnlyIfTrue("isGlobal", NE->isGlobalNew());
1393 attributeOnlyIfTrue("isArray", NE->isArray());
1394 attributeOnlyIfTrue("isPlacement", NE->getNumPlacementArgs() != 0);
1395 switch (NE->getInitializationStyle()) {
1396 case CXXNewInitializationStyle::None:
1397 break;
1398 case CXXNewInitializationStyle::Parens:
1399 JOS.attribute("initStyle", "call");
1400 break;
1401 case CXXNewInitializationStyle::Braces:
1402 JOS.attribute("initStyle", "list");
1403 break;
1404 }
1405 if (const FunctionDecl *FD = NE->getOperatorNew())
1406 JOS.attribute("operatorNewDecl", createBareDeclRef(FD));
1407 if (const FunctionDecl *FD = NE->getOperatorDelete())
1408 JOS.attribute("operatorDeleteDecl", createBareDeclRef(FD));
1409 }
VisitCXXDeleteExpr(const CXXDeleteExpr * DE)1410 void JSONNodeDumper::VisitCXXDeleteExpr(const CXXDeleteExpr *DE) {
1411 attributeOnlyIfTrue("isGlobal", DE->isGlobalDelete());
1412 attributeOnlyIfTrue("isArray", DE->isArrayForm());
1413 attributeOnlyIfTrue("isArrayAsWritten", DE->isArrayFormAsWritten());
1414 if (const FunctionDecl *FD = DE->getOperatorDelete())
1415 JOS.attribute("operatorDeleteDecl", createBareDeclRef(FD));
1416 }
1417
VisitCXXThisExpr(const CXXThisExpr * TE)1418 void JSONNodeDumper::VisitCXXThisExpr(const CXXThisExpr *TE) {
1419 attributeOnlyIfTrue("implicit", TE->isImplicit());
1420 }
1421
VisitCastExpr(const CastExpr * CE)1422 void JSONNodeDumper::VisitCastExpr(const CastExpr *CE) {
1423 JOS.attribute("castKind", CE->getCastKindName());
1424 llvm::json::Array Path = createCastPath(CE);
1425 if (!Path.empty())
1426 JOS.attribute("path", std::move(Path));
1427 // FIXME: This may not be useful information as it can be obtusely gleaned
1428 // from the inner[] array.
1429 if (const NamedDecl *ND = CE->getConversionFunction())
1430 JOS.attribute("conversionFunc", createBareDeclRef(ND));
1431 }
1432
VisitImplicitCastExpr(const ImplicitCastExpr * ICE)1433 void JSONNodeDumper::VisitImplicitCastExpr(const ImplicitCastExpr *ICE) {
1434 VisitCastExpr(ICE);
1435 attributeOnlyIfTrue("isPartOfExplicitCast", ICE->isPartOfExplicitCast());
1436 }
1437
VisitCallExpr(const CallExpr * CE)1438 void JSONNodeDumper::VisitCallExpr(const CallExpr *CE) {
1439 attributeOnlyIfTrue("adl", CE->usesADL());
1440 }
1441
VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr * TTE)1442 void JSONNodeDumper::VisitUnaryExprOrTypeTraitExpr(
1443 const UnaryExprOrTypeTraitExpr *TTE) {
1444 JOS.attribute("name", getTraitSpelling(TTE->getKind()));
1445 if (TTE->isArgumentType())
1446 JOS.attribute("argType", createQualType(TTE->getArgumentType()));
1447 }
1448
VisitSizeOfPackExpr(const SizeOfPackExpr * SOPE)1449 void JSONNodeDumper::VisitSizeOfPackExpr(const SizeOfPackExpr *SOPE) {
1450 VisitNamedDecl(SOPE->getPack());
1451 }
1452
VisitUnresolvedLookupExpr(const UnresolvedLookupExpr * ULE)1453 void JSONNodeDumper::VisitUnresolvedLookupExpr(
1454 const UnresolvedLookupExpr *ULE) {
1455 JOS.attribute("usesADL", ULE->requiresADL());
1456 JOS.attribute("name", ULE->getName().getAsString());
1457
1458 JOS.attributeArray("lookups", [this, ULE] {
1459 for (const NamedDecl *D : ULE->decls())
1460 JOS.value(createBareDeclRef(D));
1461 });
1462 }
1463
VisitAddrLabelExpr(const AddrLabelExpr * ALE)1464 void JSONNodeDumper::VisitAddrLabelExpr(const AddrLabelExpr *ALE) {
1465 JOS.attribute("name", ALE->getLabel()->getName());
1466 JOS.attribute("labelDeclId", createPointerRepresentation(ALE->getLabel()));
1467 }
1468
VisitCXXTypeidExpr(const CXXTypeidExpr * CTE)1469 void JSONNodeDumper::VisitCXXTypeidExpr(const CXXTypeidExpr *CTE) {
1470 if (CTE->isTypeOperand()) {
1471 QualType Adjusted = CTE->getTypeOperand(Ctx);
1472 QualType Unadjusted = CTE->getTypeOperandSourceInfo()->getType();
1473 JOS.attribute("typeArg", createQualType(Unadjusted));
1474 if (Adjusted != Unadjusted)
1475 JOS.attribute("adjustedTypeArg", createQualType(Adjusted));
1476 }
1477 }
1478
VisitConstantExpr(const ConstantExpr * CE)1479 void JSONNodeDumper::VisitConstantExpr(const ConstantExpr *CE) {
1480 if (CE->getResultAPValueKind() != APValue::None)
1481 Visit(CE->getAPValueResult(), CE->getType());
1482 }
1483
VisitInitListExpr(const InitListExpr * ILE)1484 void JSONNodeDumper::VisitInitListExpr(const InitListExpr *ILE) {
1485 if (const FieldDecl *FD = ILE->getInitializedFieldInUnion())
1486 JOS.attribute("field", createBareDeclRef(FD));
1487 }
1488
VisitGenericSelectionExpr(const GenericSelectionExpr * GSE)1489 void JSONNodeDumper::VisitGenericSelectionExpr(
1490 const GenericSelectionExpr *GSE) {
1491 attributeOnlyIfTrue("resultDependent", GSE->isResultDependent());
1492 }
1493
VisitCXXUnresolvedConstructExpr(const CXXUnresolvedConstructExpr * UCE)1494 void JSONNodeDumper::VisitCXXUnresolvedConstructExpr(
1495 const CXXUnresolvedConstructExpr *UCE) {
1496 if (UCE->getType() != UCE->getTypeAsWritten())
1497 JOS.attribute("typeAsWritten", createQualType(UCE->getTypeAsWritten()));
1498 attributeOnlyIfTrue("list", UCE->isListInitialization());
1499 }
1500
VisitCXXConstructExpr(const CXXConstructExpr * CE)1501 void JSONNodeDumper::VisitCXXConstructExpr(const CXXConstructExpr *CE) {
1502 CXXConstructorDecl *Ctor = CE->getConstructor();
1503 JOS.attribute("ctorType", createQualType(Ctor->getType()));
1504 attributeOnlyIfTrue("elidable", CE->isElidable());
1505 attributeOnlyIfTrue("list", CE->isListInitialization());
1506 attributeOnlyIfTrue("initializer_list", CE->isStdInitListInitialization());
1507 attributeOnlyIfTrue("zeroing", CE->requiresZeroInitialization());
1508 attributeOnlyIfTrue("hadMultipleCandidates", CE->hadMultipleCandidates());
1509 attributeOnlyIfTrue("isImmediateEscalating", CE->isImmediateEscalating());
1510
1511 switch (CE->getConstructionKind()) {
1512 case CXXConstructionKind::Complete:
1513 JOS.attribute("constructionKind", "complete");
1514 break;
1515 case CXXConstructionKind::Delegating:
1516 JOS.attribute("constructionKind", "delegating");
1517 break;
1518 case CXXConstructionKind::NonVirtualBase:
1519 JOS.attribute("constructionKind", "non-virtual base");
1520 break;
1521 case CXXConstructionKind::VirtualBase:
1522 JOS.attribute("constructionKind", "virtual base");
1523 break;
1524 }
1525 }
1526
VisitExprWithCleanups(const ExprWithCleanups * EWC)1527 void JSONNodeDumper::VisitExprWithCleanups(const ExprWithCleanups *EWC) {
1528 attributeOnlyIfTrue("cleanupsHaveSideEffects",
1529 EWC->cleanupsHaveSideEffects());
1530 if (EWC->getNumObjects()) {
1531 JOS.attributeArray("cleanups", [this, EWC] {
1532 for (const ExprWithCleanups::CleanupObject &CO : EWC->getObjects())
1533 if (auto *BD = CO.dyn_cast<BlockDecl *>()) {
1534 JOS.value(createBareDeclRef(BD));
1535 } else if (auto *CLE = CO.dyn_cast<CompoundLiteralExpr *>()) {
1536 llvm::json::Object Obj;
1537 Obj["id"] = createPointerRepresentation(CLE);
1538 Obj["kind"] = CLE->getStmtClassName();
1539 JOS.value(std::move(Obj));
1540 } else {
1541 llvm_unreachable("unexpected cleanup object type");
1542 }
1543 });
1544 }
1545 }
1546
VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr * BTE)1547 void JSONNodeDumper::VisitCXXBindTemporaryExpr(
1548 const CXXBindTemporaryExpr *BTE) {
1549 const CXXTemporary *Temp = BTE->getTemporary();
1550 JOS.attribute("temp", createPointerRepresentation(Temp));
1551 if (const CXXDestructorDecl *Dtor = Temp->getDestructor())
1552 JOS.attribute("dtor", createBareDeclRef(Dtor));
1553 }
1554
VisitMaterializeTemporaryExpr(const MaterializeTemporaryExpr * MTE)1555 void JSONNodeDumper::VisitMaterializeTemporaryExpr(
1556 const MaterializeTemporaryExpr *MTE) {
1557 if (const ValueDecl *VD = MTE->getExtendingDecl())
1558 JOS.attribute("extendingDecl", createBareDeclRef(VD));
1559
1560 switch (MTE->getStorageDuration()) {
1561 case SD_Automatic:
1562 JOS.attribute("storageDuration", "automatic");
1563 break;
1564 case SD_Dynamic:
1565 JOS.attribute("storageDuration", "dynamic");
1566 break;
1567 case SD_FullExpression:
1568 JOS.attribute("storageDuration", "full expression");
1569 break;
1570 case SD_Static:
1571 JOS.attribute("storageDuration", "static");
1572 break;
1573 case SD_Thread:
1574 JOS.attribute("storageDuration", "thread");
1575 break;
1576 }
1577
1578 attributeOnlyIfTrue("boundToLValueRef", MTE->isBoundToLvalueReference());
1579 }
1580
VisitCXXDefaultArgExpr(const CXXDefaultArgExpr * Node)1581 void JSONNodeDumper::VisitCXXDefaultArgExpr(const CXXDefaultArgExpr *Node) {
1582 attributeOnlyIfTrue("hasRewrittenInit", Node->hasRewrittenInit());
1583 }
1584
VisitCXXDefaultInitExpr(const CXXDefaultInitExpr * Node)1585 void JSONNodeDumper::VisitCXXDefaultInitExpr(const CXXDefaultInitExpr *Node) {
1586 attributeOnlyIfTrue("hasRewrittenInit", Node->hasRewrittenInit());
1587 }
1588
VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr * DSME)1589 void JSONNodeDumper::VisitCXXDependentScopeMemberExpr(
1590 const CXXDependentScopeMemberExpr *DSME) {
1591 JOS.attribute("isArrow", DSME->isArrow());
1592 JOS.attribute("member", DSME->getMember().getAsString());
1593 attributeOnlyIfTrue("hasTemplateKeyword", DSME->hasTemplateKeyword());
1594 attributeOnlyIfTrue("hasExplicitTemplateArgs",
1595 DSME->hasExplicitTemplateArgs());
1596
1597 if (DSME->getNumTemplateArgs()) {
1598 JOS.attributeArray("explicitTemplateArgs", [DSME, this] {
1599 for (const TemplateArgumentLoc &TAL : DSME->template_arguments())
1600 JOS.object(
1601 [&TAL, this] { Visit(TAL.getArgument(), TAL.getSourceRange()); });
1602 });
1603 }
1604 }
1605
VisitRequiresExpr(const RequiresExpr * RE)1606 void JSONNodeDumper::VisitRequiresExpr(const RequiresExpr *RE) {
1607 if (!RE->isValueDependent())
1608 JOS.attribute("satisfied", RE->isSatisfied());
1609 }
1610
VisitIntegerLiteral(const IntegerLiteral * IL)1611 void JSONNodeDumper::VisitIntegerLiteral(const IntegerLiteral *IL) {
1612 llvm::SmallString<16> Buffer;
1613 IL->getValue().toString(Buffer,
1614 /*Radix=*/10, IL->getType()->isSignedIntegerType());
1615 JOS.attribute("value", Buffer);
1616 }
VisitCharacterLiteral(const CharacterLiteral * CL)1617 void JSONNodeDumper::VisitCharacterLiteral(const CharacterLiteral *CL) {
1618 // FIXME: This should probably print the character literal as a string,
1619 // rather than as a numerical value. It would be nice if the behavior matched
1620 // what we do to print a string literal; right now, it is impossible to tell
1621 // the difference between 'a' and L'a' in C from the JSON output.
1622 JOS.attribute("value", CL->getValue());
1623 }
VisitFixedPointLiteral(const FixedPointLiteral * FPL)1624 void JSONNodeDumper::VisitFixedPointLiteral(const FixedPointLiteral *FPL) {
1625 JOS.attribute("value", FPL->getValueAsString(/*Radix=*/10));
1626 }
VisitFloatingLiteral(const FloatingLiteral * FL)1627 void JSONNodeDumper::VisitFloatingLiteral(const FloatingLiteral *FL) {
1628 llvm::SmallString<16> Buffer;
1629 FL->getValue().toString(Buffer);
1630 JOS.attribute("value", Buffer);
1631 }
VisitStringLiteral(const StringLiteral * SL)1632 void JSONNodeDumper::VisitStringLiteral(const StringLiteral *SL) {
1633 std::string Buffer;
1634 llvm::raw_string_ostream SS(Buffer);
1635 SL->outputString(SS);
1636 JOS.attribute("value", Buffer);
1637 }
VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr * BLE)1638 void JSONNodeDumper::VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *BLE) {
1639 JOS.attribute("value", BLE->getValue());
1640 }
1641
VisitIfStmt(const IfStmt * IS)1642 void JSONNodeDumper::VisitIfStmt(const IfStmt *IS) {
1643 attributeOnlyIfTrue("hasInit", IS->hasInitStorage());
1644 attributeOnlyIfTrue("hasVar", IS->hasVarStorage());
1645 attributeOnlyIfTrue("hasElse", IS->hasElseStorage());
1646 attributeOnlyIfTrue("isConstexpr", IS->isConstexpr());
1647 attributeOnlyIfTrue("isConsteval", IS->isConsteval());
1648 attributeOnlyIfTrue("constevalIsNegated", IS->isNegatedConsteval());
1649 }
1650
VisitSwitchStmt(const SwitchStmt * SS)1651 void JSONNodeDumper::VisitSwitchStmt(const SwitchStmt *SS) {
1652 attributeOnlyIfTrue("hasInit", SS->hasInitStorage());
1653 attributeOnlyIfTrue("hasVar", SS->hasVarStorage());
1654 }
VisitCaseStmt(const CaseStmt * CS)1655 void JSONNodeDumper::VisitCaseStmt(const CaseStmt *CS) {
1656 attributeOnlyIfTrue("isGNURange", CS->caseStmtIsGNURange());
1657 }
1658
VisitLabelStmt(const LabelStmt * LS)1659 void JSONNodeDumper::VisitLabelStmt(const LabelStmt *LS) {
1660 JOS.attribute("name", LS->getName());
1661 JOS.attribute("declId", createPointerRepresentation(LS->getDecl()));
1662 attributeOnlyIfTrue("sideEntry", LS->isSideEntry());
1663 }
VisitGotoStmt(const GotoStmt * GS)1664 void JSONNodeDumper::VisitGotoStmt(const GotoStmt *GS) {
1665 JOS.attribute("targetLabelDeclId",
1666 createPointerRepresentation(GS->getLabel()));
1667 }
1668
VisitWhileStmt(const WhileStmt * WS)1669 void JSONNodeDumper::VisitWhileStmt(const WhileStmt *WS) {
1670 attributeOnlyIfTrue("hasVar", WS->hasVarStorage());
1671 }
1672
VisitObjCAtCatchStmt(const ObjCAtCatchStmt * OACS)1673 void JSONNodeDumper::VisitObjCAtCatchStmt(const ObjCAtCatchStmt* OACS) {
1674 // FIXME: it would be nice for the ASTNodeTraverser would handle the catch
1675 // parameter the same way for C++ and ObjC rather. In this case, C++ gets a
1676 // null child node and ObjC gets no child node.
1677 attributeOnlyIfTrue("isCatchAll", OACS->getCatchParamDecl() == nullptr);
1678 }
1679
VisitNullTemplateArgument(const TemplateArgument & TA)1680 void JSONNodeDumper::VisitNullTemplateArgument(const TemplateArgument &TA) {
1681 JOS.attribute("isNull", true);
1682 }
VisitTypeTemplateArgument(const TemplateArgument & TA)1683 void JSONNodeDumper::VisitTypeTemplateArgument(const TemplateArgument &TA) {
1684 JOS.attribute("type", createQualType(TA.getAsType()));
1685 }
VisitDeclarationTemplateArgument(const TemplateArgument & TA)1686 void JSONNodeDumper::VisitDeclarationTemplateArgument(
1687 const TemplateArgument &TA) {
1688 JOS.attribute("decl", createBareDeclRef(TA.getAsDecl()));
1689 }
VisitNullPtrTemplateArgument(const TemplateArgument & TA)1690 void JSONNodeDumper::VisitNullPtrTemplateArgument(const TemplateArgument &TA) {
1691 JOS.attribute("isNullptr", true);
1692 }
VisitIntegralTemplateArgument(const TemplateArgument & TA)1693 void JSONNodeDumper::VisitIntegralTemplateArgument(const TemplateArgument &TA) {
1694 JOS.attribute("value", TA.getAsIntegral().getSExtValue());
1695 }
VisitTemplateTemplateArgument(const TemplateArgument & TA)1696 void JSONNodeDumper::VisitTemplateTemplateArgument(const TemplateArgument &TA) {
1697 // FIXME: cannot just call dump() on the argument, as that doesn't specify
1698 // the output format.
1699 }
VisitTemplateExpansionTemplateArgument(const TemplateArgument & TA)1700 void JSONNodeDumper::VisitTemplateExpansionTemplateArgument(
1701 const TemplateArgument &TA) {
1702 // FIXME: cannot just call dump() on the argument, as that doesn't specify
1703 // the output format.
1704 }
VisitExpressionTemplateArgument(const TemplateArgument & TA)1705 void JSONNodeDumper::VisitExpressionTemplateArgument(
1706 const TemplateArgument &TA) {
1707 JOS.attribute("isExpr", true);
1708 }
VisitPackTemplateArgument(const TemplateArgument & TA)1709 void JSONNodeDumper::VisitPackTemplateArgument(const TemplateArgument &TA) {
1710 JOS.attribute("isPack", true);
1711 }
1712
getCommentCommandName(unsigned CommandID) const1713 StringRef JSONNodeDumper::getCommentCommandName(unsigned CommandID) const {
1714 if (Traits)
1715 return Traits->getCommandInfo(CommandID)->Name;
1716 if (const comments::CommandInfo *Info =
1717 comments::CommandTraits::getBuiltinCommandInfo(CommandID))
1718 return Info->Name;
1719 return "<invalid>";
1720 }
1721
visitTextComment(const comments::TextComment * C,const comments::FullComment *)1722 void JSONNodeDumper::visitTextComment(const comments::TextComment *C,
1723 const comments::FullComment *) {
1724 JOS.attribute("text", C->getText());
1725 }
1726
visitInlineCommandComment(const comments::InlineCommandComment * C,const comments::FullComment *)1727 void JSONNodeDumper::visitInlineCommandComment(
1728 const comments::InlineCommandComment *C, const comments::FullComment *) {
1729 JOS.attribute("name", getCommentCommandName(C->getCommandID()));
1730
1731 switch (C->getRenderKind()) {
1732 case comments::InlineCommandRenderKind::Normal:
1733 JOS.attribute("renderKind", "normal");
1734 break;
1735 case comments::InlineCommandRenderKind::Bold:
1736 JOS.attribute("renderKind", "bold");
1737 break;
1738 case comments::InlineCommandRenderKind::Emphasized:
1739 JOS.attribute("renderKind", "emphasized");
1740 break;
1741 case comments::InlineCommandRenderKind::Monospaced:
1742 JOS.attribute("renderKind", "monospaced");
1743 break;
1744 case comments::InlineCommandRenderKind::Anchor:
1745 JOS.attribute("renderKind", "anchor");
1746 break;
1747 }
1748
1749 llvm::json::Array Args;
1750 for (unsigned I = 0, E = C->getNumArgs(); I < E; ++I)
1751 Args.push_back(C->getArgText(I));
1752
1753 if (!Args.empty())
1754 JOS.attribute("args", std::move(Args));
1755 }
1756
visitHTMLStartTagComment(const comments::HTMLStartTagComment * C,const comments::FullComment *)1757 void JSONNodeDumper::visitHTMLStartTagComment(
1758 const comments::HTMLStartTagComment *C, const comments::FullComment *) {
1759 JOS.attribute("name", C->getTagName());
1760 attributeOnlyIfTrue("selfClosing", C->isSelfClosing());
1761 attributeOnlyIfTrue("malformed", C->isMalformed());
1762
1763 llvm::json::Array Attrs;
1764 for (unsigned I = 0, E = C->getNumAttrs(); I < E; ++I)
1765 Attrs.push_back(
1766 {{"name", C->getAttr(I).Name}, {"value", C->getAttr(I).Value}});
1767
1768 if (!Attrs.empty())
1769 JOS.attribute("attrs", std::move(Attrs));
1770 }
1771
visitHTMLEndTagComment(const comments::HTMLEndTagComment * C,const comments::FullComment *)1772 void JSONNodeDumper::visitHTMLEndTagComment(
1773 const comments::HTMLEndTagComment *C, const comments::FullComment *) {
1774 JOS.attribute("name", C->getTagName());
1775 }
1776
visitBlockCommandComment(const comments::BlockCommandComment * C,const comments::FullComment *)1777 void JSONNodeDumper::visitBlockCommandComment(
1778 const comments::BlockCommandComment *C, const comments::FullComment *) {
1779 JOS.attribute("name", getCommentCommandName(C->getCommandID()));
1780
1781 llvm::json::Array Args;
1782 for (unsigned I = 0, E = C->getNumArgs(); I < E; ++I)
1783 Args.push_back(C->getArgText(I));
1784
1785 if (!Args.empty())
1786 JOS.attribute("args", std::move(Args));
1787 }
1788
visitParamCommandComment(const comments::ParamCommandComment * C,const comments::FullComment * FC)1789 void JSONNodeDumper::visitParamCommandComment(
1790 const comments::ParamCommandComment *C, const comments::FullComment *FC) {
1791 switch (C->getDirection()) {
1792 case comments::ParamCommandPassDirection::In:
1793 JOS.attribute("direction", "in");
1794 break;
1795 case comments::ParamCommandPassDirection::Out:
1796 JOS.attribute("direction", "out");
1797 break;
1798 case comments::ParamCommandPassDirection::InOut:
1799 JOS.attribute("direction", "in,out");
1800 break;
1801 }
1802 attributeOnlyIfTrue("explicit", C->isDirectionExplicit());
1803
1804 if (C->hasParamName())
1805 JOS.attribute("param", C->isParamIndexValid() ? C->getParamName(FC)
1806 : C->getParamNameAsWritten());
1807
1808 if (C->isParamIndexValid() && !C->isVarArgParam())
1809 JOS.attribute("paramIdx", C->getParamIndex());
1810 }
1811
visitTParamCommandComment(const comments::TParamCommandComment * C,const comments::FullComment * FC)1812 void JSONNodeDumper::visitTParamCommandComment(
1813 const comments::TParamCommandComment *C, const comments::FullComment *FC) {
1814 if (C->hasParamName())
1815 JOS.attribute("param", C->isPositionValid() ? C->getParamName(FC)
1816 : C->getParamNameAsWritten());
1817 if (C->isPositionValid()) {
1818 llvm::json::Array Positions;
1819 for (unsigned I = 0, E = C->getDepth(); I < E; ++I)
1820 Positions.push_back(C->getIndex(I));
1821
1822 if (!Positions.empty())
1823 JOS.attribute("positions", std::move(Positions));
1824 }
1825 }
1826
visitVerbatimBlockComment(const comments::VerbatimBlockComment * C,const comments::FullComment *)1827 void JSONNodeDumper::visitVerbatimBlockComment(
1828 const comments::VerbatimBlockComment *C, const comments::FullComment *) {
1829 JOS.attribute("name", getCommentCommandName(C->getCommandID()));
1830 JOS.attribute("closeName", C->getCloseName());
1831 }
1832
visitVerbatimBlockLineComment(const comments::VerbatimBlockLineComment * C,const comments::FullComment *)1833 void JSONNodeDumper::visitVerbatimBlockLineComment(
1834 const comments::VerbatimBlockLineComment *C,
1835 const comments::FullComment *) {
1836 JOS.attribute("text", C->getText());
1837 }
1838
visitVerbatimLineComment(const comments::VerbatimLineComment * C,const comments::FullComment *)1839 void JSONNodeDumper::visitVerbatimLineComment(
1840 const comments::VerbatimLineComment *C, const comments::FullComment *) {
1841 JOS.attribute("text", C->getText());
1842 }
1843
createFPOptions(FPOptionsOverride FPO)1844 llvm::json::Object JSONNodeDumper::createFPOptions(FPOptionsOverride FPO) {
1845 llvm::json::Object Ret;
1846 #define OPTION(NAME, TYPE, WIDTH, PREVIOUS) \
1847 if (FPO.has##NAME##Override()) \
1848 Ret.try_emplace(#NAME, static_cast<unsigned>(FPO.get##NAME##Override()));
1849 #include "clang/Basic/FPOptions.def"
1850 return Ret;
1851 }
1852
VisitCompoundStmt(const CompoundStmt * S)1853 void JSONNodeDumper::VisitCompoundStmt(const CompoundStmt *S) {
1854 VisitStmt(S);
1855 if (S->hasStoredFPFeatures())
1856 JOS.attribute("fpoptions", createFPOptions(S->getStoredFPFeatures()));
1857 }
1858