1 #include "clang/AST/JSONNodeDumper.h"
2 #include "clang/Basic/SourceManager.h"
3 #include "clang/Basic/Specifiers.h"
4 #include "clang/Lex/Lexer.h"
5 #include "llvm/ADT/StringSwitch.h"
6
7 using namespace clang;
8
addPreviousDeclaration(const Decl * D)9 void JSONNodeDumper::addPreviousDeclaration(const Decl *D) {
10 switch (D->getKind()) {
11 #define DECL(DERIVED, BASE) \
12 case Decl::DERIVED: \
13 return writePreviousDeclImpl(cast<DERIVED##Decl>(D));
14 #define ABSTRACT_DECL(DECL)
15 #include "clang/AST/DeclNodes.inc"
16 #undef ABSTRACT_DECL
17 #undef DECL
18 }
19 llvm_unreachable("Decl that isn't part of DeclNodes.inc!");
20 }
21
Visit(const Attr * A)22 void JSONNodeDumper::Visit(const Attr *A) {
23 const char *AttrName = nullptr;
24 switch (A->getKind()) {
25 #define ATTR(X) \
26 case attr::X: \
27 AttrName = #X"Attr"; \
28 break;
29 #include "clang/Basic/AttrList.inc"
30 #undef ATTR
31 }
32 JOS.attribute("id", createPointerRepresentation(A));
33 JOS.attribute("kind", AttrName);
34 JOS.attributeObject("range", [A, this] { writeSourceRange(A->getRange()); });
35 attributeOnlyIfTrue("inherited", A->isInherited());
36 attributeOnlyIfTrue("implicit", A->isImplicit());
37
38 // FIXME: it would be useful for us to output the spelling kind as well as
39 // the actual spelling. This would allow us to distinguish between the
40 // various attribute syntaxes, but we don't currently track that information
41 // within the AST.
42 //JOS.attribute("spelling", A->getSpelling());
43
44 InnerAttrVisitor::Visit(A);
45 }
46
Visit(const Stmt * S)47 void JSONNodeDumper::Visit(const Stmt *S) {
48 if (!S)
49 return;
50
51 JOS.attribute("id", createPointerRepresentation(S));
52 JOS.attribute("kind", S->getStmtClassName());
53 JOS.attributeObject("range",
54 [S, this] { writeSourceRange(S->getSourceRange()); });
55
56 if (const auto *E = dyn_cast<Expr>(S)) {
57 JOS.attribute("type", createQualType(E->getType()));
58 const char *Category = nullptr;
59 switch (E->getValueKind()) {
60 case VK_LValue: Category = "lvalue"; break;
61 case VK_XValue: Category = "xvalue"; break;
62 case VK_PRValue:
63 Category = "prvalue";
64 break;
65 }
66 JOS.attribute("valueCategory", Category);
67 }
68 InnerStmtVisitor::Visit(S);
69 }
70
Visit(const Type * T)71 void JSONNodeDumper::Visit(const Type *T) {
72 JOS.attribute("id", createPointerRepresentation(T));
73
74 if (!T)
75 return;
76
77 JOS.attribute("kind", (llvm::Twine(T->getTypeClassName()) + "Type").str());
78 JOS.attribute("type", createQualType(QualType(T, 0), /*Desugar*/ false));
79 attributeOnlyIfTrue("containsErrors", T->containsErrors());
80 attributeOnlyIfTrue("isDependent", T->isDependentType());
81 attributeOnlyIfTrue("isInstantiationDependent",
82 T->isInstantiationDependentType());
83 attributeOnlyIfTrue("isVariablyModified", T->isVariablyModifiedType());
84 attributeOnlyIfTrue("containsUnexpandedPack",
85 T->containsUnexpandedParameterPack());
86 attributeOnlyIfTrue("isImported", T->isFromAST());
87 InnerTypeVisitor::Visit(T);
88 }
89
Visit(QualType T)90 void JSONNodeDumper::Visit(QualType T) {
91 JOS.attribute("id", createPointerRepresentation(T.getAsOpaquePtr()));
92 JOS.attribute("kind", "QualType");
93 JOS.attribute("type", createQualType(T));
94 JOS.attribute("qualifiers", T.split().Quals.getAsString());
95 }
96
Visit(const Decl * D)97 void JSONNodeDumper::Visit(const Decl *D) {
98 JOS.attribute("id", createPointerRepresentation(D));
99
100 if (!D)
101 return;
102
103 JOS.attribute("kind", (llvm::Twine(D->getDeclKindName()) + "Decl").str());
104 JOS.attributeObject("loc",
105 [D, this] { writeSourceLocation(D->getLocation()); });
106 JOS.attributeObject("range",
107 [D, this] { writeSourceRange(D->getSourceRange()); });
108 attributeOnlyIfTrue("isImplicit", D->isImplicit());
109 attributeOnlyIfTrue("isInvalid", D->isInvalidDecl());
110
111 if (D->isUsed())
112 JOS.attribute("isUsed", true);
113 else if (D->isThisDeclarationReferenced())
114 JOS.attribute("isReferenced", true);
115
116 if (const auto *ND = dyn_cast<NamedDecl>(D))
117 attributeOnlyIfTrue("isHidden", !ND->isUnconditionallyVisible());
118
119 if (D->getLexicalDeclContext() != D->getDeclContext()) {
120 // Because of multiple inheritance, a DeclContext pointer does not produce
121 // the same pointer representation as a Decl pointer that references the
122 // same AST Node.
123 const auto *ParentDeclContextDecl = dyn_cast<Decl>(D->getDeclContext());
124 JOS.attribute("parentDeclContextId",
125 createPointerRepresentation(ParentDeclContextDecl));
126 }
127
128 addPreviousDeclaration(D);
129 InnerDeclVisitor::Visit(D);
130 }
131
Visit(const comments::Comment * C,const comments::FullComment * FC)132 void JSONNodeDumper::Visit(const comments::Comment *C,
133 const comments::FullComment *FC) {
134 if (!C)
135 return;
136
137 JOS.attribute("id", createPointerRepresentation(C));
138 JOS.attribute("kind", C->getCommentKindName());
139 JOS.attributeObject("loc",
140 [C, this] { writeSourceLocation(C->getLocation()); });
141 JOS.attributeObject("range",
142 [C, this] { writeSourceRange(C->getSourceRange()); });
143
144 InnerCommentVisitor::visit(C, FC);
145 }
146
Visit(const TemplateArgument & TA,SourceRange R,const Decl * From,StringRef Label)147 void JSONNodeDumper::Visit(const TemplateArgument &TA, SourceRange R,
148 const Decl *From, StringRef Label) {
149 JOS.attribute("kind", "TemplateArgument");
150 if (R.isValid())
151 JOS.attributeObject("range", [R, this] { writeSourceRange(R); });
152
153 if (From)
154 JOS.attribute(Label.empty() ? "fromDecl" : Label, createBareDeclRef(From));
155
156 InnerTemplateArgVisitor::Visit(TA);
157 }
158
Visit(const CXXCtorInitializer * Init)159 void JSONNodeDumper::Visit(const CXXCtorInitializer *Init) {
160 JOS.attribute("kind", "CXXCtorInitializer");
161 if (Init->isAnyMemberInitializer())
162 JOS.attribute("anyInit", createBareDeclRef(Init->getAnyMember()));
163 else if (Init->isBaseInitializer())
164 JOS.attribute("baseInit",
165 createQualType(QualType(Init->getBaseClass(), 0)));
166 else if (Init->isDelegatingInitializer())
167 JOS.attribute("delegatingInit",
168 createQualType(Init->getTypeSourceInfo()->getType()));
169 else
170 llvm_unreachable("Unknown initializer type");
171 }
172
Visit(const OMPClause * C)173 void JSONNodeDumper::Visit(const OMPClause *C) {}
174
Visit(const BlockDecl::Capture & C)175 void JSONNodeDumper::Visit(const BlockDecl::Capture &C) {
176 JOS.attribute("kind", "Capture");
177 attributeOnlyIfTrue("byref", C.isByRef());
178 attributeOnlyIfTrue("nested", C.isNested());
179 if (C.getVariable())
180 JOS.attribute("var", createBareDeclRef(C.getVariable()));
181 }
182
Visit(const GenericSelectionExpr::ConstAssociation & A)183 void JSONNodeDumper::Visit(const GenericSelectionExpr::ConstAssociation &A) {
184 JOS.attribute("associationKind", A.getTypeSourceInfo() ? "case" : "default");
185 attributeOnlyIfTrue("selected", A.isSelected());
186 }
187
Visit(const concepts::Requirement * R)188 void JSONNodeDumper::Visit(const concepts::Requirement *R) {
189 if (!R)
190 return;
191
192 switch (R->getKind()) {
193 case concepts::Requirement::RK_Type:
194 JOS.attribute("kind", "TypeRequirement");
195 break;
196 case concepts::Requirement::RK_Simple:
197 JOS.attribute("kind", "SimpleRequirement");
198 break;
199 case concepts::Requirement::RK_Compound:
200 JOS.attribute("kind", "CompoundRequirement");
201 break;
202 case concepts::Requirement::RK_Nested:
203 JOS.attribute("kind", "NestedRequirement");
204 break;
205 }
206
207 if (auto *ER = dyn_cast<concepts::ExprRequirement>(R))
208 attributeOnlyIfTrue("noexcept", ER->hasNoexceptRequirement());
209
210 attributeOnlyIfTrue("isDependent", R->isDependent());
211 if (!R->isDependent())
212 JOS.attribute("satisfied", R->isSatisfied());
213 attributeOnlyIfTrue("containsUnexpandedPack",
214 R->containsUnexpandedParameterPack());
215 }
216
Visit(const APValue & Value,QualType Ty)217 void JSONNodeDumper::Visit(const APValue &Value, QualType Ty) {
218 std::string Str;
219 llvm::raw_string_ostream OS(Str);
220 Value.printPretty(OS, Ctx, Ty);
221 JOS.attribute("value", OS.str());
222 }
223
writeIncludeStack(PresumedLoc Loc,bool JustFirst)224 void JSONNodeDumper::writeIncludeStack(PresumedLoc Loc, bool JustFirst) {
225 if (Loc.isInvalid())
226 return;
227
228 JOS.attributeBegin("includedFrom");
229 JOS.objectBegin();
230
231 if (!JustFirst) {
232 // Walk the stack recursively, then print out the presumed location.
233 writeIncludeStack(SM.getPresumedLoc(Loc.getIncludeLoc()));
234 }
235
236 JOS.attribute("file", Loc.getFilename());
237 JOS.objectEnd();
238 JOS.attributeEnd();
239 }
240
writeBareSourceLocation(SourceLocation Loc,bool IsSpelling)241 void JSONNodeDumper::writeBareSourceLocation(SourceLocation Loc,
242 bool IsSpelling) {
243 PresumedLoc Presumed = SM.getPresumedLoc(Loc);
244 unsigned ActualLine = IsSpelling ? SM.getSpellingLineNumber(Loc)
245 : SM.getExpansionLineNumber(Loc);
246 StringRef ActualFile = SM.getBufferName(Loc);
247
248 if (Presumed.isValid()) {
249 JOS.attribute("offset", SM.getDecomposedLoc(Loc).second);
250 if (LastLocFilename != ActualFile) {
251 JOS.attribute("file", ActualFile);
252 JOS.attribute("line", ActualLine);
253 } else if (LastLocLine != ActualLine)
254 JOS.attribute("line", ActualLine);
255
256 StringRef PresumedFile = Presumed.getFilename();
257 if (PresumedFile != ActualFile && LastLocPresumedFilename != PresumedFile)
258 JOS.attribute("presumedFile", PresumedFile);
259
260 unsigned PresumedLine = Presumed.getLine();
261 if (ActualLine != PresumedLine && LastLocPresumedLine != PresumedLine)
262 JOS.attribute("presumedLine", PresumedLine);
263
264 JOS.attribute("col", Presumed.getColumn());
265 JOS.attribute("tokLen",
266 Lexer::MeasureTokenLength(Loc, SM, Ctx.getLangOpts()));
267 LastLocFilename = ActualFile;
268 LastLocPresumedFilename = PresumedFile;
269 LastLocPresumedLine = PresumedLine;
270 LastLocLine = ActualLine;
271
272 // Orthogonal to the file, line, and column de-duplication is whether the
273 // given location was a result of an include. If so, print where the
274 // include location came from.
275 writeIncludeStack(SM.getPresumedLoc(Presumed.getIncludeLoc()),
276 /*JustFirst*/ true);
277 }
278 }
279
writeSourceLocation(SourceLocation Loc)280 void JSONNodeDumper::writeSourceLocation(SourceLocation Loc) {
281 SourceLocation Spelling = SM.getSpellingLoc(Loc);
282 SourceLocation Expansion = SM.getExpansionLoc(Loc);
283
284 if (Expansion != Spelling) {
285 // If the expansion and the spelling are different, output subobjects
286 // describing both locations.
287 JOS.attributeObject("spellingLoc", [Spelling, this] {
288 writeBareSourceLocation(Spelling, /*IsSpelling*/ true);
289 });
290 JOS.attributeObject("expansionLoc", [Expansion, Loc, this] {
291 writeBareSourceLocation(Expansion, /*IsSpelling*/ false);
292 // If there is a macro expansion, add extra information if the interesting
293 // bit is the macro arg expansion.
294 if (SM.isMacroArgExpansion(Loc))
295 JOS.attribute("isMacroArgExpansion", true);
296 });
297 } else
298 writeBareSourceLocation(Spelling, /*IsSpelling*/ true);
299 }
300
writeSourceRange(SourceRange R)301 void JSONNodeDumper::writeSourceRange(SourceRange R) {
302 JOS.attributeObject("begin",
303 [R, this] { writeSourceLocation(R.getBegin()); });
304 JOS.attributeObject("end", [R, this] { writeSourceLocation(R.getEnd()); });
305 }
306
createPointerRepresentation(const void * Ptr)307 std::string JSONNodeDumper::createPointerRepresentation(const void *Ptr) {
308 // Because JSON stores integer values as signed 64-bit integers, trying to
309 // represent them as such makes for very ugly pointer values in the resulting
310 // output. Instead, we convert the value to hex and treat it as a string.
311 return "0x" + llvm::utohexstr(reinterpret_cast<uint64_t>(Ptr), true);
312 }
313
createQualType(QualType QT,bool Desugar)314 llvm::json::Object JSONNodeDumper::createQualType(QualType QT, bool Desugar) {
315 SplitQualType SQT = QT.split();
316 llvm::json::Object Ret{{"qualType", QualType::getAsString(SQT, PrintPolicy)}};
317
318 if (Desugar && !QT.isNull()) {
319 SplitQualType DSQT = QT.getSplitDesugaredType();
320 if (DSQT != SQT)
321 Ret["desugaredQualType"] = QualType::getAsString(DSQT, PrintPolicy);
322 if (const auto *TT = QT->getAs<TypedefType>())
323 Ret["typeAliasDeclId"] = createPointerRepresentation(TT->getDecl());
324 }
325 return Ret;
326 }
327
writeBareDeclRef(const Decl * D)328 void JSONNodeDumper::writeBareDeclRef(const Decl *D) {
329 JOS.attribute("id", createPointerRepresentation(D));
330 if (!D)
331 return;
332
333 JOS.attribute("kind", (llvm::Twine(D->getDeclKindName()) + "Decl").str());
334 if (const auto *ND = dyn_cast<NamedDecl>(D))
335 JOS.attribute("name", ND->getDeclName().getAsString());
336 if (const auto *VD = dyn_cast<ValueDecl>(D))
337 JOS.attribute("type", createQualType(VD->getType()));
338 }
339
createBareDeclRef(const Decl * D)340 llvm::json::Object JSONNodeDumper::createBareDeclRef(const Decl *D) {
341 llvm::json::Object Ret{{"id", createPointerRepresentation(D)}};
342 if (!D)
343 return Ret;
344
345 Ret["kind"] = (llvm::Twine(D->getDeclKindName()) + "Decl").str();
346 if (const auto *ND = dyn_cast<NamedDecl>(D))
347 Ret["name"] = ND->getDeclName().getAsString();
348 if (const auto *VD = dyn_cast<ValueDecl>(D))
349 Ret["type"] = createQualType(VD->getType());
350 return Ret;
351 }
352
createCastPath(const CastExpr * C)353 llvm::json::Array JSONNodeDumper::createCastPath(const CastExpr *C) {
354 llvm::json::Array Ret;
355 if (C->path_empty())
356 return Ret;
357
358 for (auto I = C->path_begin(), E = C->path_end(); I != E; ++I) {
359 const CXXBaseSpecifier *Base = *I;
360 const auto *RD =
361 cast<CXXRecordDecl>(Base->getType()->castAs<RecordType>()->getDecl());
362
363 llvm::json::Object Val{{"name", RD->getName()}};
364 if (Base->isVirtual())
365 Val["isVirtual"] = true;
366 Ret.push_back(std::move(Val));
367 }
368 return Ret;
369 }
370
371 #define FIELD2(Name, Flag) if (RD->Flag()) Ret[Name] = true
372 #define FIELD1(Flag) FIELD2(#Flag, Flag)
373
374 static llvm::json::Object
createDefaultConstructorDefinitionData(const CXXRecordDecl * RD)375 createDefaultConstructorDefinitionData(const CXXRecordDecl *RD) {
376 llvm::json::Object Ret;
377
378 FIELD2("exists", hasDefaultConstructor);
379 FIELD2("trivial", hasTrivialDefaultConstructor);
380 FIELD2("nonTrivial", hasNonTrivialDefaultConstructor);
381 FIELD2("userProvided", hasUserProvidedDefaultConstructor);
382 FIELD2("isConstexpr", hasConstexprDefaultConstructor);
383 FIELD2("needsImplicit", needsImplicitDefaultConstructor);
384 FIELD2("defaultedIsConstexpr", defaultedDefaultConstructorIsConstexpr);
385
386 return Ret;
387 }
388
389 static llvm::json::Object
createCopyConstructorDefinitionData(const CXXRecordDecl * RD)390 createCopyConstructorDefinitionData(const CXXRecordDecl *RD) {
391 llvm::json::Object Ret;
392
393 FIELD2("simple", hasSimpleCopyConstructor);
394 FIELD2("trivial", hasTrivialCopyConstructor);
395 FIELD2("nonTrivial", hasNonTrivialCopyConstructor);
396 FIELD2("userDeclared", hasUserDeclaredCopyConstructor);
397 FIELD2("hasConstParam", hasCopyConstructorWithConstParam);
398 FIELD2("implicitHasConstParam", implicitCopyConstructorHasConstParam);
399 FIELD2("needsImplicit", needsImplicitCopyConstructor);
400 FIELD2("needsOverloadResolution", needsOverloadResolutionForCopyConstructor);
401 if (!RD->needsOverloadResolutionForCopyConstructor())
402 FIELD2("defaultedIsDeleted", defaultedCopyConstructorIsDeleted);
403
404 return Ret;
405 }
406
407 static llvm::json::Object
createMoveConstructorDefinitionData(const CXXRecordDecl * RD)408 createMoveConstructorDefinitionData(const CXXRecordDecl *RD) {
409 llvm::json::Object Ret;
410
411 FIELD2("exists", hasMoveConstructor);
412 FIELD2("simple", hasSimpleMoveConstructor);
413 FIELD2("trivial", hasTrivialMoveConstructor);
414 FIELD2("nonTrivial", hasNonTrivialMoveConstructor);
415 FIELD2("userDeclared", hasUserDeclaredMoveConstructor);
416 FIELD2("needsImplicit", needsImplicitMoveConstructor);
417 FIELD2("needsOverloadResolution", needsOverloadResolutionForMoveConstructor);
418 if (!RD->needsOverloadResolutionForMoveConstructor())
419 FIELD2("defaultedIsDeleted", defaultedMoveConstructorIsDeleted);
420
421 return Ret;
422 }
423
424 static llvm::json::Object
createCopyAssignmentDefinitionData(const CXXRecordDecl * RD)425 createCopyAssignmentDefinitionData(const CXXRecordDecl *RD) {
426 llvm::json::Object Ret;
427
428 FIELD2("simple", hasSimpleCopyAssignment);
429 FIELD2("trivial", hasTrivialCopyAssignment);
430 FIELD2("nonTrivial", hasNonTrivialCopyAssignment);
431 FIELD2("hasConstParam", hasCopyAssignmentWithConstParam);
432 FIELD2("implicitHasConstParam", implicitCopyAssignmentHasConstParam);
433 FIELD2("userDeclared", hasUserDeclaredCopyAssignment);
434 FIELD2("needsImplicit", needsImplicitCopyAssignment);
435 FIELD2("needsOverloadResolution", needsOverloadResolutionForCopyAssignment);
436
437 return Ret;
438 }
439
440 static llvm::json::Object
createMoveAssignmentDefinitionData(const CXXRecordDecl * RD)441 createMoveAssignmentDefinitionData(const CXXRecordDecl *RD) {
442 llvm::json::Object Ret;
443
444 FIELD2("exists", hasMoveAssignment);
445 FIELD2("simple", hasSimpleMoveAssignment);
446 FIELD2("trivial", hasTrivialMoveAssignment);
447 FIELD2("nonTrivial", hasNonTrivialMoveAssignment);
448 FIELD2("userDeclared", hasUserDeclaredMoveAssignment);
449 FIELD2("needsImplicit", needsImplicitMoveAssignment);
450 FIELD2("needsOverloadResolution", needsOverloadResolutionForMoveAssignment);
451
452 return Ret;
453 }
454
455 static llvm::json::Object
createDestructorDefinitionData(const CXXRecordDecl * RD)456 createDestructorDefinitionData(const CXXRecordDecl *RD) {
457 llvm::json::Object Ret;
458
459 FIELD2("simple", hasSimpleDestructor);
460 FIELD2("irrelevant", hasIrrelevantDestructor);
461 FIELD2("trivial", hasTrivialDestructor);
462 FIELD2("nonTrivial", hasNonTrivialDestructor);
463 FIELD2("userDeclared", hasUserDeclaredDestructor);
464 FIELD2("needsImplicit", needsImplicitDestructor);
465 FIELD2("needsOverloadResolution", needsOverloadResolutionForDestructor);
466 if (!RD->needsOverloadResolutionForDestructor())
467 FIELD2("defaultedIsDeleted", defaultedDestructorIsDeleted);
468
469 return Ret;
470 }
471
472 llvm::json::Object
createCXXRecordDefinitionData(const CXXRecordDecl * RD)473 JSONNodeDumper::createCXXRecordDefinitionData(const CXXRecordDecl *RD) {
474 llvm::json::Object Ret;
475
476 // This data is common to all C++ classes.
477 FIELD1(isGenericLambda);
478 FIELD1(isLambda);
479 FIELD1(isEmpty);
480 FIELD1(isAggregate);
481 FIELD1(isStandardLayout);
482 FIELD1(isTriviallyCopyable);
483 FIELD1(isPOD);
484 FIELD1(isTrivial);
485 FIELD1(isPolymorphic);
486 FIELD1(isAbstract);
487 FIELD1(isLiteral);
488 FIELD1(canPassInRegisters);
489 FIELD1(hasUserDeclaredConstructor);
490 FIELD1(hasConstexprNonCopyMoveConstructor);
491 FIELD1(hasMutableFields);
492 FIELD1(hasVariantMembers);
493 FIELD2("canConstDefaultInit", allowConstDefaultInit);
494
495 Ret["defaultCtor"] = createDefaultConstructorDefinitionData(RD);
496 Ret["copyCtor"] = createCopyConstructorDefinitionData(RD);
497 Ret["moveCtor"] = createMoveConstructorDefinitionData(RD);
498 Ret["copyAssign"] = createCopyAssignmentDefinitionData(RD);
499 Ret["moveAssign"] = createMoveAssignmentDefinitionData(RD);
500 Ret["dtor"] = createDestructorDefinitionData(RD);
501
502 return Ret;
503 }
504
505 #undef FIELD1
506 #undef FIELD2
507
createAccessSpecifier(AccessSpecifier AS)508 std::string JSONNodeDumper::createAccessSpecifier(AccessSpecifier AS) {
509 const auto AccessSpelling = getAccessSpelling(AS);
510 if (AccessSpelling.empty())
511 return "none";
512 return AccessSpelling.str();
513 }
514
515 llvm::json::Object
createCXXBaseSpecifier(const CXXBaseSpecifier & BS)516 JSONNodeDumper::createCXXBaseSpecifier(const CXXBaseSpecifier &BS) {
517 llvm::json::Object Ret;
518
519 Ret["type"] = createQualType(BS.getType());
520 Ret["access"] = createAccessSpecifier(BS.getAccessSpecifier());
521 Ret["writtenAccess"] =
522 createAccessSpecifier(BS.getAccessSpecifierAsWritten());
523 if (BS.isVirtual())
524 Ret["isVirtual"] = true;
525 if (BS.isPackExpansion())
526 Ret["isPackExpansion"] = true;
527
528 return Ret;
529 }
530
VisitTypedefType(const TypedefType * TT)531 void JSONNodeDumper::VisitTypedefType(const TypedefType *TT) {
532 JOS.attribute("decl", createBareDeclRef(TT->getDecl()));
533 }
534
VisitFunctionType(const FunctionType * T)535 void JSONNodeDumper::VisitFunctionType(const FunctionType *T) {
536 FunctionType::ExtInfo E = T->getExtInfo();
537 attributeOnlyIfTrue("noreturn", E.getNoReturn());
538 attributeOnlyIfTrue("producesResult", E.getProducesResult());
539 if (E.getHasRegParm())
540 JOS.attribute("regParm", E.getRegParm());
541 JOS.attribute("cc", FunctionType::getNameForCallConv(E.getCC()));
542 }
543
VisitFunctionProtoType(const FunctionProtoType * T)544 void JSONNodeDumper::VisitFunctionProtoType(const FunctionProtoType *T) {
545 FunctionProtoType::ExtProtoInfo E = T->getExtProtoInfo();
546 attributeOnlyIfTrue("trailingReturn", E.HasTrailingReturn);
547 attributeOnlyIfTrue("const", T->isConst());
548 attributeOnlyIfTrue("volatile", T->isVolatile());
549 attributeOnlyIfTrue("restrict", T->isRestrict());
550 attributeOnlyIfTrue("variadic", E.Variadic);
551 switch (E.RefQualifier) {
552 case RQ_LValue: JOS.attribute("refQualifier", "&"); break;
553 case RQ_RValue: JOS.attribute("refQualifier", "&&"); break;
554 case RQ_None: break;
555 }
556 switch (E.ExceptionSpec.Type) {
557 case EST_DynamicNone:
558 case EST_Dynamic: {
559 JOS.attribute("exceptionSpec", "throw");
560 llvm::json::Array Types;
561 for (QualType QT : E.ExceptionSpec.Exceptions)
562 Types.push_back(createQualType(QT));
563 JOS.attribute("exceptionTypes", std::move(Types));
564 } break;
565 case EST_MSAny:
566 JOS.attribute("exceptionSpec", "throw");
567 JOS.attribute("throwsAny", true);
568 break;
569 case EST_BasicNoexcept:
570 JOS.attribute("exceptionSpec", "noexcept");
571 break;
572 case EST_NoexceptTrue:
573 case EST_NoexceptFalse:
574 JOS.attribute("exceptionSpec", "noexcept");
575 JOS.attribute("conditionEvaluatesTo",
576 E.ExceptionSpec.Type == EST_NoexceptTrue);
577 //JOS.attributeWithCall("exceptionSpecExpr",
578 // [this, E]() { Visit(E.ExceptionSpec.NoexceptExpr); });
579 break;
580 case EST_NoThrow:
581 JOS.attribute("exceptionSpec", "nothrow");
582 break;
583 // FIXME: I cannot find a way to trigger these cases while dumping the AST. I
584 // suspect you can only run into them when executing an AST dump from within
585 // the debugger, which is not a use case we worry about for the JSON dumping
586 // feature.
587 case EST_DependentNoexcept:
588 case EST_Unevaluated:
589 case EST_Uninstantiated:
590 case EST_Unparsed:
591 case EST_None: break;
592 }
593 VisitFunctionType(T);
594 }
595
VisitRValueReferenceType(const ReferenceType * RT)596 void JSONNodeDumper::VisitRValueReferenceType(const ReferenceType *RT) {
597 attributeOnlyIfTrue("spelledAsLValue", RT->isSpelledAsLValue());
598 }
599
VisitArrayType(const ArrayType * AT)600 void JSONNodeDumper::VisitArrayType(const ArrayType *AT) {
601 switch (AT->getSizeModifier()) {
602 case ArrayType::Star:
603 JOS.attribute("sizeModifier", "*");
604 break;
605 case ArrayType::Static:
606 JOS.attribute("sizeModifier", "static");
607 break;
608 case ArrayType::Normal:
609 break;
610 }
611
612 std::string Str = AT->getIndexTypeQualifiers().getAsString();
613 if (!Str.empty())
614 JOS.attribute("indexTypeQualifiers", Str);
615 }
616
VisitConstantArrayType(const ConstantArrayType * CAT)617 void JSONNodeDumper::VisitConstantArrayType(const ConstantArrayType *CAT) {
618 // FIXME: this should use ZExt instead of SExt, but JSON doesn't allow a
619 // narrowing conversion to int64_t so it cannot be expressed.
620 JOS.attribute("size", CAT->getSize().getSExtValue());
621 VisitArrayType(CAT);
622 }
623
VisitDependentSizedExtVectorType(const DependentSizedExtVectorType * VT)624 void JSONNodeDumper::VisitDependentSizedExtVectorType(
625 const DependentSizedExtVectorType *VT) {
626 JOS.attributeObject(
627 "attrLoc", [VT, this] { writeSourceLocation(VT->getAttributeLoc()); });
628 }
629
VisitVectorType(const VectorType * VT)630 void JSONNodeDumper::VisitVectorType(const VectorType *VT) {
631 JOS.attribute("numElements", VT->getNumElements());
632 switch (VT->getVectorKind()) {
633 case VectorType::GenericVector:
634 break;
635 case VectorType::AltiVecVector:
636 JOS.attribute("vectorKind", "altivec");
637 break;
638 case VectorType::AltiVecPixel:
639 JOS.attribute("vectorKind", "altivec pixel");
640 break;
641 case VectorType::AltiVecBool:
642 JOS.attribute("vectorKind", "altivec bool");
643 break;
644 case VectorType::NeonVector:
645 JOS.attribute("vectorKind", "neon");
646 break;
647 case VectorType::NeonPolyVector:
648 JOS.attribute("vectorKind", "neon poly");
649 break;
650 case VectorType::SveFixedLengthDataVector:
651 JOS.attribute("vectorKind", "fixed-length sve data vector");
652 break;
653 case VectorType::SveFixedLengthPredicateVector:
654 JOS.attribute("vectorKind", "fixed-length sve predicate vector");
655 break;
656 }
657 }
658
VisitUnresolvedUsingType(const UnresolvedUsingType * UUT)659 void JSONNodeDumper::VisitUnresolvedUsingType(const UnresolvedUsingType *UUT) {
660 JOS.attribute("decl", createBareDeclRef(UUT->getDecl()));
661 }
662
VisitUnaryTransformType(const UnaryTransformType * UTT)663 void JSONNodeDumper::VisitUnaryTransformType(const UnaryTransformType *UTT) {
664 switch (UTT->getUTTKind()) {
665 case UnaryTransformType::EnumUnderlyingType:
666 JOS.attribute("transformKind", "underlying_type");
667 break;
668 }
669 }
670
VisitTagType(const TagType * TT)671 void JSONNodeDumper::VisitTagType(const TagType *TT) {
672 JOS.attribute("decl", createBareDeclRef(TT->getDecl()));
673 }
674
VisitTemplateTypeParmType(const TemplateTypeParmType * TTPT)675 void JSONNodeDumper::VisitTemplateTypeParmType(
676 const TemplateTypeParmType *TTPT) {
677 JOS.attribute("depth", TTPT->getDepth());
678 JOS.attribute("index", TTPT->getIndex());
679 attributeOnlyIfTrue("isPack", TTPT->isParameterPack());
680 JOS.attribute("decl", createBareDeclRef(TTPT->getDecl()));
681 }
682
VisitAutoType(const AutoType * AT)683 void JSONNodeDumper::VisitAutoType(const AutoType *AT) {
684 JOS.attribute("undeduced", !AT->isDeduced());
685 switch (AT->getKeyword()) {
686 case AutoTypeKeyword::Auto:
687 JOS.attribute("typeKeyword", "auto");
688 break;
689 case AutoTypeKeyword::DecltypeAuto:
690 JOS.attribute("typeKeyword", "decltype(auto)");
691 break;
692 case AutoTypeKeyword::GNUAutoType:
693 JOS.attribute("typeKeyword", "__auto_type");
694 break;
695 }
696 }
697
VisitTemplateSpecializationType(const TemplateSpecializationType * TST)698 void JSONNodeDumper::VisitTemplateSpecializationType(
699 const TemplateSpecializationType *TST) {
700 attributeOnlyIfTrue("isAlias", TST->isTypeAlias());
701
702 std::string Str;
703 llvm::raw_string_ostream OS(Str);
704 TST->getTemplateName().print(OS, PrintPolicy);
705 JOS.attribute("templateName", OS.str());
706 }
707
VisitInjectedClassNameType(const InjectedClassNameType * ICNT)708 void JSONNodeDumper::VisitInjectedClassNameType(
709 const InjectedClassNameType *ICNT) {
710 JOS.attribute("decl", createBareDeclRef(ICNT->getDecl()));
711 }
712
VisitObjCInterfaceType(const ObjCInterfaceType * OIT)713 void JSONNodeDumper::VisitObjCInterfaceType(const ObjCInterfaceType *OIT) {
714 JOS.attribute("decl", createBareDeclRef(OIT->getDecl()));
715 }
716
VisitPackExpansionType(const PackExpansionType * PET)717 void JSONNodeDumper::VisitPackExpansionType(const PackExpansionType *PET) {
718 if (llvm::Optional<unsigned> N = PET->getNumExpansions())
719 JOS.attribute("numExpansions", *N);
720 }
721
VisitElaboratedType(const ElaboratedType * ET)722 void JSONNodeDumper::VisitElaboratedType(const ElaboratedType *ET) {
723 if (const NestedNameSpecifier *NNS = ET->getQualifier()) {
724 std::string Str;
725 llvm::raw_string_ostream OS(Str);
726 NNS->print(OS, PrintPolicy, /*ResolveTemplateArgs*/ true);
727 JOS.attribute("qualifier", OS.str());
728 }
729 if (const TagDecl *TD = ET->getOwnedTagDecl())
730 JOS.attribute("ownedTagDecl", createBareDeclRef(TD));
731 }
732
VisitMacroQualifiedType(const MacroQualifiedType * MQT)733 void JSONNodeDumper::VisitMacroQualifiedType(const MacroQualifiedType *MQT) {
734 JOS.attribute("macroName", MQT->getMacroIdentifier()->getName());
735 }
736
VisitMemberPointerType(const MemberPointerType * MPT)737 void JSONNodeDumper::VisitMemberPointerType(const MemberPointerType *MPT) {
738 attributeOnlyIfTrue("isData", MPT->isMemberDataPointer());
739 attributeOnlyIfTrue("isFunction", MPT->isMemberFunctionPointer());
740 }
741
VisitNamedDecl(const NamedDecl * ND)742 void JSONNodeDumper::VisitNamedDecl(const NamedDecl *ND) {
743 if (ND && ND->getDeclName()) {
744 JOS.attribute("name", ND->getNameAsString());
745 // FIXME: There are likely other contexts in which it makes no sense to ask
746 // for a mangled name.
747 if (!isa<RequiresExprBodyDecl>(ND->getDeclContext())) {
748 std::string MangledName = ASTNameGen.getName(ND);
749 if (!MangledName.empty())
750 JOS.attribute("mangledName", MangledName);
751 }
752 }
753 }
754
VisitTypedefDecl(const TypedefDecl * TD)755 void JSONNodeDumper::VisitTypedefDecl(const TypedefDecl *TD) {
756 VisitNamedDecl(TD);
757 JOS.attribute("type", createQualType(TD->getUnderlyingType()));
758 }
759
VisitTypeAliasDecl(const TypeAliasDecl * TAD)760 void JSONNodeDumper::VisitTypeAliasDecl(const TypeAliasDecl *TAD) {
761 VisitNamedDecl(TAD);
762 JOS.attribute("type", createQualType(TAD->getUnderlyingType()));
763 }
764
VisitNamespaceDecl(const NamespaceDecl * ND)765 void JSONNodeDumper::VisitNamespaceDecl(const NamespaceDecl *ND) {
766 VisitNamedDecl(ND);
767 attributeOnlyIfTrue("isInline", ND->isInline());
768 if (!ND->isOriginalNamespace())
769 JOS.attribute("originalNamespace",
770 createBareDeclRef(ND->getOriginalNamespace()));
771 }
772
VisitUsingDirectiveDecl(const UsingDirectiveDecl * UDD)773 void JSONNodeDumper::VisitUsingDirectiveDecl(const UsingDirectiveDecl *UDD) {
774 JOS.attribute("nominatedNamespace",
775 createBareDeclRef(UDD->getNominatedNamespace()));
776 }
777
VisitNamespaceAliasDecl(const NamespaceAliasDecl * NAD)778 void JSONNodeDumper::VisitNamespaceAliasDecl(const NamespaceAliasDecl *NAD) {
779 VisitNamedDecl(NAD);
780 JOS.attribute("aliasedNamespace",
781 createBareDeclRef(NAD->getAliasedNamespace()));
782 }
783
VisitUsingDecl(const UsingDecl * UD)784 void JSONNodeDumper::VisitUsingDecl(const UsingDecl *UD) {
785 std::string Name;
786 if (const NestedNameSpecifier *NNS = UD->getQualifier()) {
787 llvm::raw_string_ostream SOS(Name);
788 NNS->print(SOS, UD->getASTContext().getPrintingPolicy());
789 }
790 Name += UD->getNameAsString();
791 JOS.attribute("name", Name);
792 }
793
VisitUsingEnumDecl(const UsingEnumDecl * UED)794 void JSONNodeDumper::VisitUsingEnumDecl(const UsingEnumDecl *UED) {
795 JOS.attribute("target", createBareDeclRef(UED->getEnumDecl()));
796 }
797
VisitUsingShadowDecl(const UsingShadowDecl * USD)798 void JSONNodeDumper::VisitUsingShadowDecl(const UsingShadowDecl *USD) {
799 JOS.attribute("target", createBareDeclRef(USD->getTargetDecl()));
800 }
801
VisitVarDecl(const VarDecl * VD)802 void JSONNodeDumper::VisitVarDecl(const VarDecl *VD) {
803 VisitNamedDecl(VD);
804 JOS.attribute("type", createQualType(VD->getType()));
805
806 StorageClass SC = VD->getStorageClass();
807 if (SC != SC_None)
808 JOS.attribute("storageClass", VarDecl::getStorageClassSpecifierString(SC));
809 switch (VD->getTLSKind()) {
810 case VarDecl::TLS_Dynamic: JOS.attribute("tls", "dynamic"); break;
811 case VarDecl::TLS_Static: JOS.attribute("tls", "static"); break;
812 case VarDecl::TLS_None: break;
813 }
814 attributeOnlyIfTrue("nrvo", VD->isNRVOVariable());
815 attributeOnlyIfTrue("inline", VD->isInline());
816 attributeOnlyIfTrue("constexpr", VD->isConstexpr());
817 attributeOnlyIfTrue("modulePrivate", VD->isModulePrivate());
818 if (VD->hasInit()) {
819 switch (VD->getInitStyle()) {
820 case VarDecl::CInit: JOS.attribute("init", "c"); break;
821 case VarDecl::CallInit: JOS.attribute("init", "call"); break;
822 case VarDecl::ListInit: JOS.attribute("init", "list"); break;
823 }
824 }
825 attributeOnlyIfTrue("isParameterPack", VD->isParameterPack());
826 }
827
VisitFieldDecl(const FieldDecl * FD)828 void JSONNodeDumper::VisitFieldDecl(const FieldDecl *FD) {
829 VisitNamedDecl(FD);
830 JOS.attribute("type", createQualType(FD->getType()));
831 attributeOnlyIfTrue("mutable", FD->isMutable());
832 attributeOnlyIfTrue("modulePrivate", FD->isModulePrivate());
833 attributeOnlyIfTrue("isBitfield", FD->isBitField());
834 attributeOnlyIfTrue("hasInClassInitializer", FD->hasInClassInitializer());
835 }
836
VisitFunctionDecl(const FunctionDecl * FD)837 void JSONNodeDumper::VisitFunctionDecl(const FunctionDecl *FD) {
838 VisitNamedDecl(FD);
839 JOS.attribute("type", createQualType(FD->getType()));
840 StorageClass SC = FD->getStorageClass();
841 if (SC != SC_None)
842 JOS.attribute("storageClass", VarDecl::getStorageClassSpecifierString(SC));
843 attributeOnlyIfTrue("inline", FD->isInlineSpecified());
844 attributeOnlyIfTrue("virtual", FD->isVirtualAsWritten());
845 attributeOnlyIfTrue("pure", FD->isPure());
846 attributeOnlyIfTrue("explicitlyDeleted", FD->isDeletedAsWritten());
847 attributeOnlyIfTrue("constexpr", FD->isConstexpr());
848 attributeOnlyIfTrue("variadic", FD->isVariadic());
849
850 if (FD->isDefaulted())
851 JOS.attribute("explicitlyDefaulted",
852 FD->isDeleted() ? "deleted" : "default");
853 }
854
VisitEnumDecl(const EnumDecl * ED)855 void JSONNodeDumper::VisitEnumDecl(const EnumDecl *ED) {
856 VisitNamedDecl(ED);
857 if (ED->isFixed())
858 JOS.attribute("fixedUnderlyingType", createQualType(ED->getIntegerType()));
859 if (ED->isScoped())
860 JOS.attribute("scopedEnumTag",
861 ED->isScopedUsingClassTag() ? "class" : "struct");
862 }
VisitEnumConstantDecl(const EnumConstantDecl * ECD)863 void JSONNodeDumper::VisitEnumConstantDecl(const EnumConstantDecl *ECD) {
864 VisitNamedDecl(ECD);
865 JOS.attribute("type", createQualType(ECD->getType()));
866 }
867
VisitRecordDecl(const RecordDecl * RD)868 void JSONNodeDumper::VisitRecordDecl(const RecordDecl *RD) {
869 VisitNamedDecl(RD);
870 JOS.attribute("tagUsed", RD->getKindName());
871 attributeOnlyIfTrue("completeDefinition", RD->isCompleteDefinition());
872 }
VisitCXXRecordDecl(const CXXRecordDecl * RD)873 void JSONNodeDumper::VisitCXXRecordDecl(const CXXRecordDecl *RD) {
874 VisitRecordDecl(RD);
875
876 // All other information requires a complete definition.
877 if (!RD->isCompleteDefinition())
878 return;
879
880 JOS.attribute("definitionData", createCXXRecordDefinitionData(RD));
881 if (RD->getNumBases()) {
882 JOS.attributeArray("bases", [this, RD] {
883 for (const auto &Spec : RD->bases())
884 JOS.value(createCXXBaseSpecifier(Spec));
885 });
886 }
887 }
888
VisitTemplateTypeParmDecl(const TemplateTypeParmDecl * D)889 void JSONNodeDumper::VisitTemplateTypeParmDecl(const TemplateTypeParmDecl *D) {
890 VisitNamedDecl(D);
891 JOS.attribute("tagUsed", D->wasDeclaredWithTypename() ? "typename" : "class");
892 JOS.attribute("depth", D->getDepth());
893 JOS.attribute("index", D->getIndex());
894 attributeOnlyIfTrue("isParameterPack", D->isParameterPack());
895
896 if (D->hasDefaultArgument())
897 JOS.attributeObject("defaultArg", [=] {
898 Visit(D->getDefaultArgument(), SourceRange(),
899 D->getDefaultArgStorage().getInheritedFrom(),
900 D->defaultArgumentWasInherited() ? "inherited from" : "previous");
901 });
902 }
903
VisitNonTypeTemplateParmDecl(const NonTypeTemplateParmDecl * D)904 void JSONNodeDumper::VisitNonTypeTemplateParmDecl(
905 const NonTypeTemplateParmDecl *D) {
906 VisitNamedDecl(D);
907 JOS.attribute("type", createQualType(D->getType()));
908 JOS.attribute("depth", D->getDepth());
909 JOS.attribute("index", D->getIndex());
910 attributeOnlyIfTrue("isParameterPack", D->isParameterPack());
911
912 if (D->hasDefaultArgument())
913 JOS.attributeObject("defaultArg", [=] {
914 Visit(D->getDefaultArgument(), SourceRange(),
915 D->getDefaultArgStorage().getInheritedFrom(),
916 D->defaultArgumentWasInherited() ? "inherited from" : "previous");
917 });
918 }
919
VisitTemplateTemplateParmDecl(const TemplateTemplateParmDecl * D)920 void JSONNodeDumper::VisitTemplateTemplateParmDecl(
921 const TemplateTemplateParmDecl *D) {
922 VisitNamedDecl(D);
923 JOS.attribute("depth", D->getDepth());
924 JOS.attribute("index", D->getIndex());
925 attributeOnlyIfTrue("isParameterPack", D->isParameterPack());
926
927 if (D->hasDefaultArgument())
928 JOS.attributeObject("defaultArg", [=] {
929 const auto *InheritedFrom = D->getDefaultArgStorage().getInheritedFrom();
930 Visit(D->getDefaultArgument().getArgument(),
931 InheritedFrom ? InheritedFrom->getSourceRange() : SourceLocation{},
932 InheritedFrom,
933 D->defaultArgumentWasInherited() ? "inherited from" : "previous");
934 });
935 }
936
VisitLinkageSpecDecl(const LinkageSpecDecl * LSD)937 void JSONNodeDumper::VisitLinkageSpecDecl(const LinkageSpecDecl *LSD) {
938 StringRef Lang;
939 switch (LSD->getLanguage()) {
940 case LinkageSpecDecl::lang_c: Lang = "C"; break;
941 case LinkageSpecDecl::lang_cxx: Lang = "C++"; break;
942 }
943 JOS.attribute("language", Lang);
944 attributeOnlyIfTrue("hasBraces", LSD->hasBraces());
945 }
946
VisitAccessSpecDecl(const AccessSpecDecl * ASD)947 void JSONNodeDumper::VisitAccessSpecDecl(const AccessSpecDecl *ASD) {
948 JOS.attribute("access", createAccessSpecifier(ASD->getAccess()));
949 }
950
VisitFriendDecl(const FriendDecl * FD)951 void JSONNodeDumper::VisitFriendDecl(const FriendDecl *FD) {
952 if (const TypeSourceInfo *T = FD->getFriendType())
953 JOS.attribute("type", createQualType(T->getType()));
954 }
955
VisitObjCIvarDecl(const ObjCIvarDecl * D)956 void JSONNodeDumper::VisitObjCIvarDecl(const ObjCIvarDecl *D) {
957 VisitNamedDecl(D);
958 JOS.attribute("type", createQualType(D->getType()));
959 attributeOnlyIfTrue("synthesized", D->getSynthesize());
960 switch (D->getAccessControl()) {
961 case ObjCIvarDecl::None: JOS.attribute("access", "none"); break;
962 case ObjCIvarDecl::Private: JOS.attribute("access", "private"); break;
963 case ObjCIvarDecl::Protected: JOS.attribute("access", "protected"); break;
964 case ObjCIvarDecl::Public: JOS.attribute("access", "public"); break;
965 case ObjCIvarDecl::Package: JOS.attribute("access", "package"); break;
966 }
967 }
968
VisitObjCMethodDecl(const ObjCMethodDecl * D)969 void JSONNodeDumper::VisitObjCMethodDecl(const ObjCMethodDecl *D) {
970 VisitNamedDecl(D);
971 JOS.attribute("returnType", createQualType(D->getReturnType()));
972 JOS.attribute("instance", D->isInstanceMethod());
973 attributeOnlyIfTrue("variadic", D->isVariadic());
974 }
975
VisitObjCTypeParamDecl(const ObjCTypeParamDecl * D)976 void JSONNodeDumper::VisitObjCTypeParamDecl(const ObjCTypeParamDecl *D) {
977 VisitNamedDecl(D);
978 JOS.attribute("type", createQualType(D->getUnderlyingType()));
979 attributeOnlyIfTrue("bounded", D->hasExplicitBound());
980 switch (D->getVariance()) {
981 case ObjCTypeParamVariance::Invariant:
982 break;
983 case ObjCTypeParamVariance::Covariant:
984 JOS.attribute("variance", "covariant");
985 break;
986 case ObjCTypeParamVariance::Contravariant:
987 JOS.attribute("variance", "contravariant");
988 break;
989 }
990 }
991
VisitObjCCategoryDecl(const ObjCCategoryDecl * D)992 void JSONNodeDumper::VisitObjCCategoryDecl(const ObjCCategoryDecl *D) {
993 VisitNamedDecl(D);
994 JOS.attribute("interface", createBareDeclRef(D->getClassInterface()));
995 JOS.attribute("implementation", createBareDeclRef(D->getImplementation()));
996
997 llvm::json::Array Protocols;
998 for (const auto* P : D->protocols())
999 Protocols.push_back(createBareDeclRef(P));
1000 if (!Protocols.empty())
1001 JOS.attribute("protocols", std::move(Protocols));
1002 }
1003
VisitObjCCategoryImplDecl(const ObjCCategoryImplDecl * D)1004 void JSONNodeDumper::VisitObjCCategoryImplDecl(const ObjCCategoryImplDecl *D) {
1005 VisitNamedDecl(D);
1006 JOS.attribute("interface", createBareDeclRef(D->getClassInterface()));
1007 JOS.attribute("categoryDecl", createBareDeclRef(D->getCategoryDecl()));
1008 }
1009
VisitObjCProtocolDecl(const ObjCProtocolDecl * D)1010 void JSONNodeDumper::VisitObjCProtocolDecl(const ObjCProtocolDecl *D) {
1011 VisitNamedDecl(D);
1012
1013 llvm::json::Array Protocols;
1014 for (const auto *P : D->protocols())
1015 Protocols.push_back(createBareDeclRef(P));
1016 if (!Protocols.empty())
1017 JOS.attribute("protocols", std::move(Protocols));
1018 }
1019
VisitObjCInterfaceDecl(const ObjCInterfaceDecl * D)1020 void JSONNodeDumper::VisitObjCInterfaceDecl(const ObjCInterfaceDecl *D) {
1021 VisitNamedDecl(D);
1022 JOS.attribute("super", createBareDeclRef(D->getSuperClass()));
1023 JOS.attribute("implementation", createBareDeclRef(D->getImplementation()));
1024
1025 llvm::json::Array Protocols;
1026 for (const auto* P : D->protocols())
1027 Protocols.push_back(createBareDeclRef(P));
1028 if (!Protocols.empty())
1029 JOS.attribute("protocols", std::move(Protocols));
1030 }
1031
VisitObjCImplementationDecl(const ObjCImplementationDecl * D)1032 void JSONNodeDumper::VisitObjCImplementationDecl(
1033 const ObjCImplementationDecl *D) {
1034 VisitNamedDecl(D);
1035 JOS.attribute("super", createBareDeclRef(D->getSuperClass()));
1036 JOS.attribute("interface", createBareDeclRef(D->getClassInterface()));
1037 }
1038
VisitObjCCompatibleAliasDecl(const ObjCCompatibleAliasDecl * D)1039 void JSONNodeDumper::VisitObjCCompatibleAliasDecl(
1040 const ObjCCompatibleAliasDecl *D) {
1041 VisitNamedDecl(D);
1042 JOS.attribute("interface", createBareDeclRef(D->getClassInterface()));
1043 }
1044
VisitObjCPropertyDecl(const ObjCPropertyDecl * D)1045 void JSONNodeDumper::VisitObjCPropertyDecl(const ObjCPropertyDecl *D) {
1046 VisitNamedDecl(D);
1047 JOS.attribute("type", createQualType(D->getType()));
1048
1049 switch (D->getPropertyImplementation()) {
1050 case ObjCPropertyDecl::None: break;
1051 case ObjCPropertyDecl::Required: JOS.attribute("control", "required"); break;
1052 case ObjCPropertyDecl::Optional: JOS.attribute("control", "optional"); break;
1053 }
1054
1055 ObjCPropertyAttribute::Kind Attrs = D->getPropertyAttributes();
1056 if (Attrs != ObjCPropertyAttribute::kind_noattr) {
1057 if (Attrs & ObjCPropertyAttribute::kind_getter)
1058 JOS.attribute("getter", createBareDeclRef(D->getGetterMethodDecl()));
1059 if (Attrs & ObjCPropertyAttribute::kind_setter)
1060 JOS.attribute("setter", createBareDeclRef(D->getSetterMethodDecl()));
1061 attributeOnlyIfTrue("readonly",
1062 Attrs & ObjCPropertyAttribute::kind_readonly);
1063 attributeOnlyIfTrue("assign", Attrs & ObjCPropertyAttribute::kind_assign);
1064 attributeOnlyIfTrue("readwrite",
1065 Attrs & ObjCPropertyAttribute::kind_readwrite);
1066 attributeOnlyIfTrue("retain", Attrs & ObjCPropertyAttribute::kind_retain);
1067 attributeOnlyIfTrue("copy", Attrs & ObjCPropertyAttribute::kind_copy);
1068 attributeOnlyIfTrue("nonatomic",
1069 Attrs & ObjCPropertyAttribute::kind_nonatomic);
1070 attributeOnlyIfTrue("atomic", Attrs & ObjCPropertyAttribute::kind_atomic);
1071 attributeOnlyIfTrue("weak", Attrs & ObjCPropertyAttribute::kind_weak);
1072 attributeOnlyIfTrue("strong", Attrs & ObjCPropertyAttribute::kind_strong);
1073 attributeOnlyIfTrue("unsafe_unretained",
1074 Attrs & ObjCPropertyAttribute::kind_unsafe_unretained);
1075 attributeOnlyIfTrue("class", Attrs & ObjCPropertyAttribute::kind_class);
1076 attributeOnlyIfTrue("direct", Attrs & ObjCPropertyAttribute::kind_direct);
1077 attributeOnlyIfTrue("nullability",
1078 Attrs & ObjCPropertyAttribute::kind_nullability);
1079 attributeOnlyIfTrue("null_resettable",
1080 Attrs & ObjCPropertyAttribute::kind_null_resettable);
1081 }
1082 }
1083
VisitObjCPropertyImplDecl(const ObjCPropertyImplDecl * D)1084 void JSONNodeDumper::VisitObjCPropertyImplDecl(const ObjCPropertyImplDecl *D) {
1085 VisitNamedDecl(D->getPropertyDecl());
1086 JOS.attribute("implKind", D->getPropertyImplementation() ==
1087 ObjCPropertyImplDecl::Synthesize
1088 ? "synthesize"
1089 : "dynamic");
1090 JOS.attribute("propertyDecl", createBareDeclRef(D->getPropertyDecl()));
1091 JOS.attribute("ivarDecl", createBareDeclRef(D->getPropertyIvarDecl()));
1092 }
1093
VisitBlockDecl(const BlockDecl * D)1094 void JSONNodeDumper::VisitBlockDecl(const BlockDecl *D) {
1095 attributeOnlyIfTrue("variadic", D->isVariadic());
1096 attributeOnlyIfTrue("capturesThis", D->capturesCXXThis());
1097 }
1098
VisitObjCEncodeExpr(const ObjCEncodeExpr * OEE)1099 void JSONNodeDumper::VisitObjCEncodeExpr(const ObjCEncodeExpr *OEE) {
1100 JOS.attribute("encodedType", createQualType(OEE->getEncodedType()));
1101 }
1102
VisitObjCMessageExpr(const ObjCMessageExpr * OME)1103 void JSONNodeDumper::VisitObjCMessageExpr(const ObjCMessageExpr *OME) {
1104 std::string Str;
1105 llvm::raw_string_ostream OS(Str);
1106
1107 OME->getSelector().print(OS);
1108 JOS.attribute("selector", OS.str());
1109
1110 switch (OME->getReceiverKind()) {
1111 case ObjCMessageExpr::Instance:
1112 JOS.attribute("receiverKind", "instance");
1113 break;
1114 case ObjCMessageExpr::Class:
1115 JOS.attribute("receiverKind", "class");
1116 JOS.attribute("classType", createQualType(OME->getClassReceiver()));
1117 break;
1118 case ObjCMessageExpr::SuperInstance:
1119 JOS.attribute("receiverKind", "super (instance)");
1120 JOS.attribute("superType", createQualType(OME->getSuperType()));
1121 break;
1122 case ObjCMessageExpr::SuperClass:
1123 JOS.attribute("receiverKind", "super (class)");
1124 JOS.attribute("superType", createQualType(OME->getSuperType()));
1125 break;
1126 }
1127
1128 QualType CallReturnTy = OME->getCallReturnType(Ctx);
1129 if (OME->getType() != CallReturnTy)
1130 JOS.attribute("callReturnType", createQualType(CallReturnTy));
1131 }
1132
VisitObjCBoxedExpr(const ObjCBoxedExpr * OBE)1133 void JSONNodeDumper::VisitObjCBoxedExpr(const ObjCBoxedExpr *OBE) {
1134 if (const ObjCMethodDecl *MD = OBE->getBoxingMethod()) {
1135 std::string Str;
1136 llvm::raw_string_ostream OS(Str);
1137
1138 MD->getSelector().print(OS);
1139 JOS.attribute("selector", OS.str());
1140 }
1141 }
1142
VisitObjCSelectorExpr(const ObjCSelectorExpr * OSE)1143 void JSONNodeDumper::VisitObjCSelectorExpr(const ObjCSelectorExpr *OSE) {
1144 std::string Str;
1145 llvm::raw_string_ostream OS(Str);
1146
1147 OSE->getSelector().print(OS);
1148 JOS.attribute("selector", OS.str());
1149 }
1150
VisitObjCProtocolExpr(const ObjCProtocolExpr * OPE)1151 void JSONNodeDumper::VisitObjCProtocolExpr(const ObjCProtocolExpr *OPE) {
1152 JOS.attribute("protocol", createBareDeclRef(OPE->getProtocol()));
1153 }
1154
VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr * OPRE)1155 void JSONNodeDumper::VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr *OPRE) {
1156 if (OPRE->isImplicitProperty()) {
1157 JOS.attribute("propertyKind", "implicit");
1158 if (const ObjCMethodDecl *MD = OPRE->getImplicitPropertyGetter())
1159 JOS.attribute("getter", createBareDeclRef(MD));
1160 if (const ObjCMethodDecl *MD = OPRE->getImplicitPropertySetter())
1161 JOS.attribute("setter", createBareDeclRef(MD));
1162 } else {
1163 JOS.attribute("propertyKind", "explicit");
1164 JOS.attribute("property", createBareDeclRef(OPRE->getExplicitProperty()));
1165 }
1166
1167 attributeOnlyIfTrue("isSuperReceiver", OPRE->isSuperReceiver());
1168 attributeOnlyIfTrue("isMessagingGetter", OPRE->isMessagingGetter());
1169 attributeOnlyIfTrue("isMessagingSetter", OPRE->isMessagingSetter());
1170 }
1171
VisitObjCSubscriptRefExpr(const ObjCSubscriptRefExpr * OSRE)1172 void JSONNodeDumper::VisitObjCSubscriptRefExpr(
1173 const ObjCSubscriptRefExpr *OSRE) {
1174 JOS.attribute("subscriptKind",
1175 OSRE->isArraySubscriptRefExpr() ? "array" : "dictionary");
1176
1177 if (const ObjCMethodDecl *MD = OSRE->getAtIndexMethodDecl())
1178 JOS.attribute("getter", createBareDeclRef(MD));
1179 if (const ObjCMethodDecl *MD = OSRE->setAtIndexMethodDecl())
1180 JOS.attribute("setter", createBareDeclRef(MD));
1181 }
1182
VisitObjCIvarRefExpr(const ObjCIvarRefExpr * OIRE)1183 void JSONNodeDumper::VisitObjCIvarRefExpr(const ObjCIvarRefExpr *OIRE) {
1184 JOS.attribute("decl", createBareDeclRef(OIRE->getDecl()));
1185 attributeOnlyIfTrue("isFreeIvar", OIRE->isFreeIvar());
1186 JOS.attribute("isArrow", OIRE->isArrow());
1187 }
1188
VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr * OBLE)1189 void JSONNodeDumper::VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr *OBLE) {
1190 JOS.attribute("value", OBLE->getValue() ? "__objc_yes" : "__objc_no");
1191 }
1192
VisitDeclRefExpr(const DeclRefExpr * DRE)1193 void JSONNodeDumper::VisitDeclRefExpr(const DeclRefExpr *DRE) {
1194 JOS.attribute("referencedDecl", createBareDeclRef(DRE->getDecl()));
1195 if (DRE->getDecl() != DRE->getFoundDecl())
1196 JOS.attribute("foundReferencedDecl",
1197 createBareDeclRef(DRE->getFoundDecl()));
1198 switch (DRE->isNonOdrUse()) {
1199 case NOUR_None: break;
1200 case NOUR_Unevaluated: JOS.attribute("nonOdrUseReason", "unevaluated"); break;
1201 case NOUR_Constant: JOS.attribute("nonOdrUseReason", "constant"); break;
1202 case NOUR_Discarded: JOS.attribute("nonOdrUseReason", "discarded"); break;
1203 }
1204 }
1205
VisitSYCLUniqueStableNameExpr(const SYCLUniqueStableNameExpr * E)1206 void JSONNodeDumper::VisitSYCLUniqueStableNameExpr(
1207 const SYCLUniqueStableNameExpr *E) {
1208 JOS.attribute("typeSourceInfo",
1209 createQualType(E->getTypeSourceInfo()->getType()));
1210 }
1211
VisitPredefinedExpr(const PredefinedExpr * PE)1212 void JSONNodeDumper::VisitPredefinedExpr(const PredefinedExpr *PE) {
1213 JOS.attribute("name", PredefinedExpr::getIdentKindName(PE->getIdentKind()));
1214 }
1215
VisitUnaryOperator(const UnaryOperator * UO)1216 void JSONNodeDumper::VisitUnaryOperator(const UnaryOperator *UO) {
1217 JOS.attribute("isPostfix", UO->isPostfix());
1218 JOS.attribute("opcode", UnaryOperator::getOpcodeStr(UO->getOpcode()));
1219 if (!UO->canOverflow())
1220 JOS.attribute("canOverflow", false);
1221 }
1222
VisitBinaryOperator(const BinaryOperator * BO)1223 void JSONNodeDumper::VisitBinaryOperator(const BinaryOperator *BO) {
1224 JOS.attribute("opcode", BinaryOperator::getOpcodeStr(BO->getOpcode()));
1225 }
1226
VisitCompoundAssignOperator(const CompoundAssignOperator * CAO)1227 void JSONNodeDumper::VisitCompoundAssignOperator(
1228 const CompoundAssignOperator *CAO) {
1229 VisitBinaryOperator(CAO);
1230 JOS.attribute("computeLHSType", createQualType(CAO->getComputationLHSType()));
1231 JOS.attribute("computeResultType",
1232 createQualType(CAO->getComputationResultType()));
1233 }
1234
VisitMemberExpr(const MemberExpr * ME)1235 void JSONNodeDumper::VisitMemberExpr(const MemberExpr *ME) {
1236 // Note, we always write this Boolean field because the information it conveys
1237 // is critical to understanding the AST node.
1238 ValueDecl *VD = ME->getMemberDecl();
1239 JOS.attribute("name", VD && VD->getDeclName() ? VD->getNameAsString() : "");
1240 JOS.attribute("isArrow", ME->isArrow());
1241 JOS.attribute("referencedMemberDecl", createPointerRepresentation(VD));
1242 switch (ME->isNonOdrUse()) {
1243 case NOUR_None: break;
1244 case NOUR_Unevaluated: JOS.attribute("nonOdrUseReason", "unevaluated"); break;
1245 case NOUR_Constant: JOS.attribute("nonOdrUseReason", "constant"); break;
1246 case NOUR_Discarded: JOS.attribute("nonOdrUseReason", "discarded"); break;
1247 }
1248 }
1249
VisitCXXNewExpr(const CXXNewExpr * NE)1250 void JSONNodeDumper::VisitCXXNewExpr(const CXXNewExpr *NE) {
1251 attributeOnlyIfTrue("isGlobal", NE->isGlobalNew());
1252 attributeOnlyIfTrue("isArray", NE->isArray());
1253 attributeOnlyIfTrue("isPlacement", NE->getNumPlacementArgs() != 0);
1254 switch (NE->getInitializationStyle()) {
1255 case CXXNewExpr::NoInit: break;
1256 case CXXNewExpr::CallInit: JOS.attribute("initStyle", "call"); break;
1257 case CXXNewExpr::ListInit: JOS.attribute("initStyle", "list"); break;
1258 }
1259 if (const FunctionDecl *FD = NE->getOperatorNew())
1260 JOS.attribute("operatorNewDecl", createBareDeclRef(FD));
1261 if (const FunctionDecl *FD = NE->getOperatorDelete())
1262 JOS.attribute("operatorDeleteDecl", createBareDeclRef(FD));
1263 }
VisitCXXDeleteExpr(const CXXDeleteExpr * DE)1264 void JSONNodeDumper::VisitCXXDeleteExpr(const CXXDeleteExpr *DE) {
1265 attributeOnlyIfTrue("isGlobal", DE->isGlobalDelete());
1266 attributeOnlyIfTrue("isArray", DE->isArrayForm());
1267 attributeOnlyIfTrue("isArrayAsWritten", DE->isArrayFormAsWritten());
1268 if (const FunctionDecl *FD = DE->getOperatorDelete())
1269 JOS.attribute("operatorDeleteDecl", createBareDeclRef(FD));
1270 }
1271
VisitCXXThisExpr(const CXXThisExpr * TE)1272 void JSONNodeDumper::VisitCXXThisExpr(const CXXThisExpr *TE) {
1273 attributeOnlyIfTrue("implicit", TE->isImplicit());
1274 }
1275
VisitCastExpr(const CastExpr * CE)1276 void JSONNodeDumper::VisitCastExpr(const CastExpr *CE) {
1277 JOS.attribute("castKind", CE->getCastKindName());
1278 llvm::json::Array Path = createCastPath(CE);
1279 if (!Path.empty())
1280 JOS.attribute("path", std::move(Path));
1281 // FIXME: This may not be useful information as it can be obtusely gleaned
1282 // from the inner[] array.
1283 if (const NamedDecl *ND = CE->getConversionFunction())
1284 JOS.attribute("conversionFunc", createBareDeclRef(ND));
1285 }
1286
VisitImplicitCastExpr(const ImplicitCastExpr * ICE)1287 void JSONNodeDumper::VisitImplicitCastExpr(const ImplicitCastExpr *ICE) {
1288 VisitCastExpr(ICE);
1289 attributeOnlyIfTrue("isPartOfExplicitCast", ICE->isPartOfExplicitCast());
1290 }
1291
VisitCallExpr(const CallExpr * CE)1292 void JSONNodeDumper::VisitCallExpr(const CallExpr *CE) {
1293 attributeOnlyIfTrue("adl", CE->usesADL());
1294 }
1295
VisitUnaryExprOrTypeTraitExpr(const UnaryExprOrTypeTraitExpr * TTE)1296 void JSONNodeDumper::VisitUnaryExprOrTypeTraitExpr(
1297 const UnaryExprOrTypeTraitExpr *TTE) {
1298 JOS.attribute("name", getTraitSpelling(TTE->getKind()));
1299 if (TTE->isArgumentType())
1300 JOS.attribute("argType", createQualType(TTE->getArgumentType()));
1301 }
1302
VisitSizeOfPackExpr(const SizeOfPackExpr * SOPE)1303 void JSONNodeDumper::VisitSizeOfPackExpr(const SizeOfPackExpr *SOPE) {
1304 VisitNamedDecl(SOPE->getPack());
1305 }
1306
VisitUnresolvedLookupExpr(const UnresolvedLookupExpr * ULE)1307 void JSONNodeDumper::VisitUnresolvedLookupExpr(
1308 const UnresolvedLookupExpr *ULE) {
1309 JOS.attribute("usesADL", ULE->requiresADL());
1310 JOS.attribute("name", ULE->getName().getAsString());
1311
1312 JOS.attributeArray("lookups", [this, ULE] {
1313 for (const NamedDecl *D : ULE->decls())
1314 JOS.value(createBareDeclRef(D));
1315 });
1316 }
1317
VisitAddrLabelExpr(const AddrLabelExpr * ALE)1318 void JSONNodeDumper::VisitAddrLabelExpr(const AddrLabelExpr *ALE) {
1319 JOS.attribute("name", ALE->getLabel()->getName());
1320 JOS.attribute("labelDeclId", createPointerRepresentation(ALE->getLabel()));
1321 }
1322
VisitCXXTypeidExpr(const CXXTypeidExpr * CTE)1323 void JSONNodeDumper::VisitCXXTypeidExpr(const CXXTypeidExpr *CTE) {
1324 if (CTE->isTypeOperand()) {
1325 QualType Adjusted = CTE->getTypeOperand(Ctx);
1326 QualType Unadjusted = CTE->getTypeOperandSourceInfo()->getType();
1327 JOS.attribute("typeArg", createQualType(Unadjusted));
1328 if (Adjusted != Unadjusted)
1329 JOS.attribute("adjustedTypeArg", createQualType(Adjusted));
1330 }
1331 }
1332
VisitConstantExpr(const ConstantExpr * CE)1333 void JSONNodeDumper::VisitConstantExpr(const ConstantExpr *CE) {
1334 if (CE->getResultAPValueKind() != APValue::None)
1335 Visit(CE->getAPValueResult(), CE->getType());
1336 }
1337
VisitInitListExpr(const InitListExpr * ILE)1338 void JSONNodeDumper::VisitInitListExpr(const InitListExpr *ILE) {
1339 if (const FieldDecl *FD = ILE->getInitializedFieldInUnion())
1340 JOS.attribute("field", createBareDeclRef(FD));
1341 }
1342
VisitGenericSelectionExpr(const GenericSelectionExpr * GSE)1343 void JSONNodeDumper::VisitGenericSelectionExpr(
1344 const GenericSelectionExpr *GSE) {
1345 attributeOnlyIfTrue("resultDependent", GSE->isResultDependent());
1346 }
1347
VisitCXXUnresolvedConstructExpr(const CXXUnresolvedConstructExpr * UCE)1348 void JSONNodeDumper::VisitCXXUnresolvedConstructExpr(
1349 const CXXUnresolvedConstructExpr *UCE) {
1350 if (UCE->getType() != UCE->getTypeAsWritten())
1351 JOS.attribute("typeAsWritten", createQualType(UCE->getTypeAsWritten()));
1352 attributeOnlyIfTrue("list", UCE->isListInitialization());
1353 }
1354
VisitCXXConstructExpr(const CXXConstructExpr * CE)1355 void JSONNodeDumper::VisitCXXConstructExpr(const CXXConstructExpr *CE) {
1356 CXXConstructorDecl *Ctor = CE->getConstructor();
1357 JOS.attribute("ctorType", createQualType(Ctor->getType()));
1358 attributeOnlyIfTrue("elidable", CE->isElidable());
1359 attributeOnlyIfTrue("list", CE->isListInitialization());
1360 attributeOnlyIfTrue("initializer_list", CE->isStdInitListInitialization());
1361 attributeOnlyIfTrue("zeroing", CE->requiresZeroInitialization());
1362 attributeOnlyIfTrue("hadMultipleCandidates", CE->hadMultipleCandidates());
1363
1364 switch (CE->getConstructionKind()) {
1365 case CXXConstructExpr::CK_Complete:
1366 JOS.attribute("constructionKind", "complete");
1367 break;
1368 case CXXConstructExpr::CK_Delegating:
1369 JOS.attribute("constructionKind", "delegating");
1370 break;
1371 case CXXConstructExpr::CK_NonVirtualBase:
1372 JOS.attribute("constructionKind", "non-virtual base");
1373 break;
1374 case CXXConstructExpr::CK_VirtualBase:
1375 JOS.attribute("constructionKind", "virtual base");
1376 break;
1377 }
1378 }
1379
VisitExprWithCleanups(const ExprWithCleanups * EWC)1380 void JSONNodeDumper::VisitExprWithCleanups(const ExprWithCleanups *EWC) {
1381 attributeOnlyIfTrue("cleanupsHaveSideEffects",
1382 EWC->cleanupsHaveSideEffects());
1383 if (EWC->getNumObjects()) {
1384 JOS.attributeArray("cleanups", [this, EWC] {
1385 for (const ExprWithCleanups::CleanupObject &CO : EWC->getObjects())
1386 if (auto *BD = CO.dyn_cast<BlockDecl *>()) {
1387 JOS.value(createBareDeclRef(BD));
1388 } else if (auto *CLE = CO.dyn_cast<CompoundLiteralExpr *>()) {
1389 llvm::json::Object Obj;
1390 Obj["id"] = createPointerRepresentation(CLE);
1391 Obj["kind"] = CLE->getStmtClassName();
1392 JOS.value(std::move(Obj));
1393 } else {
1394 llvm_unreachable("unexpected cleanup object type");
1395 }
1396 });
1397 }
1398 }
1399
VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr * BTE)1400 void JSONNodeDumper::VisitCXXBindTemporaryExpr(
1401 const CXXBindTemporaryExpr *BTE) {
1402 const CXXTemporary *Temp = BTE->getTemporary();
1403 JOS.attribute("temp", createPointerRepresentation(Temp));
1404 if (const CXXDestructorDecl *Dtor = Temp->getDestructor())
1405 JOS.attribute("dtor", createBareDeclRef(Dtor));
1406 }
1407
VisitMaterializeTemporaryExpr(const MaterializeTemporaryExpr * MTE)1408 void JSONNodeDumper::VisitMaterializeTemporaryExpr(
1409 const MaterializeTemporaryExpr *MTE) {
1410 if (const ValueDecl *VD = MTE->getExtendingDecl())
1411 JOS.attribute("extendingDecl", createBareDeclRef(VD));
1412
1413 switch (MTE->getStorageDuration()) {
1414 case SD_Automatic:
1415 JOS.attribute("storageDuration", "automatic");
1416 break;
1417 case SD_Dynamic:
1418 JOS.attribute("storageDuration", "dynamic");
1419 break;
1420 case SD_FullExpression:
1421 JOS.attribute("storageDuration", "full expression");
1422 break;
1423 case SD_Static:
1424 JOS.attribute("storageDuration", "static");
1425 break;
1426 case SD_Thread:
1427 JOS.attribute("storageDuration", "thread");
1428 break;
1429 }
1430
1431 attributeOnlyIfTrue("boundToLValueRef", MTE->isBoundToLvalueReference());
1432 }
1433
VisitCXXDependentScopeMemberExpr(const CXXDependentScopeMemberExpr * DSME)1434 void JSONNodeDumper::VisitCXXDependentScopeMemberExpr(
1435 const CXXDependentScopeMemberExpr *DSME) {
1436 JOS.attribute("isArrow", DSME->isArrow());
1437 JOS.attribute("member", DSME->getMember().getAsString());
1438 attributeOnlyIfTrue("hasTemplateKeyword", DSME->hasTemplateKeyword());
1439 attributeOnlyIfTrue("hasExplicitTemplateArgs",
1440 DSME->hasExplicitTemplateArgs());
1441
1442 if (DSME->getNumTemplateArgs()) {
1443 JOS.attributeArray("explicitTemplateArgs", [DSME, this] {
1444 for (const TemplateArgumentLoc &TAL : DSME->template_arguments())
1445 JOS.object(
1446 [&TAL, this] { Visit(TAL.getArgument(), TAL.getSourceRange()); });
1447 });
1448 }
1449 }
1450
VisitRequiresExpr(const RequiresExpr * RE)1451 void JSONNodeDumper::VisitRequiresExpr(const RequiresExpr *RE) {
1452 if (!RE->isValueDependent())
1453 JOS.attribute("satisfied", RE->isSatisfied());
1454 }
1455
VisitIntegerLiteral(const IntegerLiteral * IL)1456 void JSONNodeDumper::VisitIntegerLiteral(const IntegerLiteral *IL) {
1457 llvm::SmallString<16> Buffer;
1458 IL->getValue().toString(Buffer,
1459 /*Radix=*/10, IL->getType()->isSignedIntegerType());
1460 JOS.attribute("value", Buffer);
1461 }
VisitCharacterLiteral(const CharacterLiteral * CL)1462 void JSONNodeDumper::VisitCharacterLiteral(const CharacterLiteral *CL) {
1463 // FIXME: This should probably print the character literal as a string,
1464 // rather than as a numerical value. It would be nice if the behavior matched
1465 // what we do to print a string literal; right now, it is impossible to tell
1466 // the difference between 'a' and L'a' in C from the JSON output.
1467 JOS.attribute("value", CL->getValue());
1468 }
VisitFixedPointLiteral(const FixedPointLiteral * FPL)1469 void JSONNodeDumper::VisitFixedPointLiteral(const FixedPointLiteral *FPL) {
1470 JOS.attribute("value", FPL->getValueAsString(/*Radix=*/10));
1471 }
VisitFloatingLiteral(const FloatingLiteral * FL)1472 void JSONNodeDumper::VisitFloatingLiteral(const FloatingLiteral *FL) {
1473 llvm::SmallString<16> Buffer;
1474 FL->getValue().toString(Buffer);
1475 JOS.attribute("value", Buffer);
1476 }
VisitStringLiteral(const StringLiteral * SL)1477 void JSONNodeDumper::VisitStringLiteral(const StringLiteral *SL) {
1478 std::string Buffer;
1479 llvm::raw_string_ostream SS(Buffer);
1480 SL->outputString(SS);
1481 JOS.attribute("value", SS.str());
1482 }
VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr * BLE)1483 void JSONNodeDumper::VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *BLE) {
1484 JOS.attribute("value", BLE->getValue());
1485 }
1486
VisitIfStmt(const IfStmt * IS)1487 void JSONNodeDumper::VisitIfStmt(const IfStmt *IS) {
1488 attributeOnlyIfTrue("hasInit", IS->hasInitStorage());
1489 attributeOnlyIfTrue("hasVar", IS->hasVarStorage());
1490 attributeOnlyIfTrue("hasElse", IS->hasElseStorage());
1491 attributeOnlyIfTrue("isConstexpr", IS->isConstexpr());
1492 }
1493
VisitSwitchStmt(const SwitchStmt * SS)1494 void JSONNodeDumper::VisitSwitchStmt(const SwitchStmt *SS) {
1495 attributeOnlyIfTrue("hasInit", SS->hasInitStorage());
1496 attributeOnlyIfTrue("hasVar", SS->hasVarStorage());
1497 }
VisitCaseStmt(const CaseStmt * CS)1498 void JSONNodeDumper::VisitCaseStmt(const CaseStmt *CS) {
1499 attributeOnlyIfTrue("isGNURange", CS->caseStmtIsGNURange());
1500 }
1501
VisitLabelStmt(const LabelStmt * LS)1502 void JSONNodeDumper::VisitLabelStmt(const LabelStmt *LS) {
1503 JOS.attribute("name", LS->getName());
1504 JOS.attribute("declId", createPointerRepresentation(LS->getDecl()));
1505 attributeOnlyIfTrue("sideEntry", LS->isSideEntry());
1506 }
VisitGotoStmt(const GotoStmt * GS)1507 void JSONNodeDumper::VisitGotoStmt(const GotoStmt *GS) {
1508 JOS.attribute("targetLabelDeclId",
1509 createPointerRepresentation(GS->getLabel()));
1510 }
1511
VisitWhileStmt(const WhileStmt * WS)1512 void JSONNodeDumper::VisitWhileStmt(const WhileStmt *WS) {
1513 attributeOnlyIfTrue("hasVar", WS->hasVarStorage());
1514 }
1515
VisitObjCAtCatchStmt(const ObjCAtCatchStmt * OACS)1516 void JSONNodeDumper::VisitObjCAtCatchStmt(const ObjCAtCatchStmt* OACS) {
1517 // FIXME: it would be nice for the ASTNodeTraverser would handle the catch
1518 // parameter the same way for C++ and ObjC rather. In this case, C++ gets a
1519 // null child node and ObjC gets no child node.
1520 attributeOnlyIfTrue("isCatchAll", OACS->getCatchParamDecl() == nullptr);
1521 }
1522
VisitNullTemplateArgument(const TemplateArgument & TA)1523 void JSONNodeDumper::VisitNullTemplateArgument(const TemplateArgument &TA) {
1524 JOS.attribute("isNull", true);
1525 }
VisitTypeTemplateArgument(const TemplateArgument & TA)1526 void JSONNodeDumper::VisitTypeTemplateArgument(const TemplateArgument &TA) {
1527 JOS.attribute("type", createQualType(TA.getAsType()));
1528 }
VisitDeclarationTemplateArgument(const TemplateArgument & TA)1529 void JSONNodeDumper::VisitDeclarationTemplateArgument(
1530 const TemplateArgument &TA) {
1531 JOS.attribute("decl", createBareDeclRef(TA.getAsDecl()));
1532 }
VisitNullPtrTemplateArgument(const TemplateArgument & TA)1533 void JSONNodeDumper::VisitNullPtrTemplateArgument(const TemplateArgument &TA) {
1534 JOS.attribute("isNullptr", true);
1535 }
VisitIntegralTemplateArgument(const TemplateArgument & TA)1536 void JSONNodeDumper::VisitIntegralTemplateArgument(const TemplateArgument &TA) {
1537 JOS.attribute("value", TA.getAsIntegral().getSExtValue());
1538 }
VisitTemplateTemplateArgument(const TemplateArgument & TA)1539 void JSONNodeDumper::VisitTemplateTemplateArgument(const TemplateArgument &TA) {
1540 // FIXME: cannot just call dump() on the argument, as that doesn't specify
1541 // the output format.
1542 }
VisitTemplateExpansionTemplateArgument(const TemplateArgument & TA)1543 void JSONNodeDumper::VisitTemplateExpansionTemplateArgument(
1544 const TemplateArgument &TA) {
1545 // FIXME: cannot just call dump() on the argument, as that doesn't specify
1546 // the output format.
1547 }
VisitExpressionTemplateArgument(const TemplateArgument & TA)1548 void JSONNodeDumper::VisitExpressionTemplateArgument(
1549 const TemplateArgument &TA) {
1550 JOS.attribute("isExpr", true);
1551 }
VisitPackTemplateArgument(const TemplateArgument & TA)1552 void JSONNodeDumper::VisitPackTemplateArgument(const TemplateArgument &TA) {
1553 JOS.attribute("isPack", true);
1554 }
1555
getCommentCommandName(unsigned CommandID) const1556 StringRef JSONNodeDumper::getCommentCommandName(unsigned CommandID) const {
1557 if (Traits)
1558 return Traits->getCommandInfo(CommandID)->Name;
1559 if (const comments::CommandInfo *Info =
1560 comments::CommandTraits::getBuiltinCommandInfo(CommandID))
1561 return Info->Name;
1562 return "<invalid>";
1563 }
1564
visitTextComment(const comments::TextComment * C,const comments::FullComment *)1565 void JSONNodeDumper::visitTextComment(const comments::TextComment *C,
1566 const comments::FullComment *) {
1567 JOS.attribute("text", C->getText());
1568 }
1569
visitInlineCommandComment(const comments::InlineCommandComment * C,const comments::FullComment *)1570 void JSONNodeDumper::visitInlineCommandComment(
1571 const comments::InlineCommandComment *C, const comments::FullComment *) {
1572 JOS.attribute("name", getCommentCommandName(C->getCommandID()));
1573
1574 switch (C->getRenderKind()) {
1575 case comments::InlineCommandComment::RenderNormal:
1576 JOS.attribute("renderKind", "normal");
1577 break;
1578 case comments::InlineCommandComment::RenderBold:
1579 JOS.attribute("renderKind", "bold");
1580 break;
1581 case comments::InlineCommandComment::RenderEmphasized:
1582 JOS.attribute("renderKind", "emphasized");
1583 break;
1584 case comments::InlineCommandComment::RenderMonospaced:
1585 JOS.attribute("renderKind", "monospaced");
1586 break;
1587 case comments::InlineCommandComment::RenderAnchor:
1588 JOS.attribute("renderKind", "anchor");
1589 break;
1590 }
1591
1592 llvm::json::Array Args;
1593 for (unsigned I = 0, E = C->getNumArgs(); I < E; ++I)
1594 Args.push_back(C->getArgText(I));
1595
1596 if (!Args.empty())
1597 JOS.attribute("args", std::move(Args));
1598 }
1599
visitHTMLStartTagComment(const comments::HTMLStartTagComment * C,const comments::FullComment *)1600 void JSONNodeDumper::visitHTMLStartTagComment(
1601 const comments::HTMLStartTagComment *C, const comments::FullComment *) {
1602 JOS.attribute("name", C->getTagName());
1603 attributeOnlyIfTrue("selfClosing", C->isSelfClosing());
1604 attributeOnlyIfTrue("malformed", C->isMalformed());
1605
1606 llvm::json::Array Attrs;
1607 for (unsigned I = 0, E = C->getNumAttrs(); I < E; ++I)
1608 Attrs.push_back(
1609 {{"name", C->getAttr(I).Name}, {"value", C->getAttr(I).Value}});
1610
1611 if (!Attrs.empty())
1612 JOS.attribute("attrs", std::move(Attrs));
1613 }
1614
visitHTMLEndTagComment(const comments::HTMLEndTagComment * C,const comments::FullComment *)1615 void JSONNodeDumper::visitHTMLEndTagComment(
1616 const comments::HTMLEndTagComment *C, const comments::FullComment *) {
1617 JOS.attribute("name", C->getTagName());
1618 }
1619
visitBlockCommandComment(const comments::BlockCommandComment * C,const comments::FullComment *)1620 void JSONNodeDumper::visitBlockCommandComment(
1621 const comments::BlockCommandComment *C, const comments::FullComment *) {
1622 JOS.attribute("name", getCommentCommandName(C->getCommandID()));
1623
1624 llvm::json::Array Args;
1625 for (unsigned I = 0, E = C->getNumArgs(); I < E; ++I)
1626 Args.push_back(C->getArgText(I));
1627
1628 if (!Args.empty())
1629 JOS.attribute("args", std::move(Args));
1630 }
1631
visitParamCommandComment(const comments::ParamCommandComment * C,const comments::FullComment * FC)1632 void JSONNodeDumper::visitParamCommandComment(
1633 const comments::ParamCommandComment *C, const comments::FullComment *FC) {
1634 switch (C->getDirection()) {
1635 case comments::ParamCommandComment::In:
1636 JOS.attribute("direction", "in");
1637 break;
1638 case comments::ParamCommandComment::Out:
1639 JOS.attribute("direction", "out");
1640 break;
1641 case comments::ParamCommandComment::InOut:
1642 JOS.attribute("direction", "in,out");
1643 break;
1644 }
1645 attributeOnlyIfTrue("explicit", C->isDirectionExplicit());
1646
1647 if (C->hasParamName())
1648 JOS.attribute("param", C->isParamIndexValid() ? C->getParamName(FC)
1649 : C->getParamNameAsWritten());
1650
1651 if (C->isParamIndexValid() && !C->isVarArgParam())
1652 JOS.attribute("paramIdx", C->getParamIndex());
1653 }
1654
visitTParamCommandComment(const comments::TParamCommandComment * C,const comments::FullComment * FC)1655 void JSONNodeDumper::visitTParamCommandComment(
1656 const comments::TParamCommandComment *C, const comments::FullComment *FC) {
1657 if (C->hasParamName())
1658 JOS.attribute("param", C->isPositionValid() ? C->getParamName(FC)
1659 : C->getParamNameAsWritten());
1660 if (C->isPositionValid()) {
1661 llvm::json::Array Positions;
1662 for (unsigned I = 0, E = C->getDepth(); I < E; ++I)
1663 Positions.push_back(C->getIndex(I));
1664
1665 if (!Positions.empty())
1666 JOS.attribute("positions", std::move(Positions));
1667 }
1668 }
1669
visitVerbatimBlockComment(const comments::VerbatimBlockComment * C,const comments::FullComment *)1670 void JSONNodeDumper::visitVerbatimBlockComment(
1671 const comments::VerbatimBlockComment *C, const comments::FullComment *) {
1672 JOS.attribute("name", getCommentCommandName(C->getCommandID()));
1673 JOS.attribute("closeName", C->getCloseName());
1674 }
1675
visitVerbatimBlockLineComment(const comments::VerbatimBlockLineComment * C,const comments::FullComment *)1676 void JSONNodeDumper::visitVerbatimBlockLineComment(
1677 const comments::VerbatimBlockLineComment *C,
1678 const comments::FullComment *) {
1679 JOS.attribute("text", C->getText());
1680 }
1681
visitVerbatimLineComment(const comments::VerbatimLineComment * C,const comments::FullComment *)1682 void JSONNodeDumper::visitVerbatimLineComment(
1683 const comments::VerbatimLineComment *C, const comments::FullComment *) {
1684 JOS.attribute("text", C->getText());
1685 }
1686