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llvm-project/clang/lib/AST/JSONNodeDumper.cpp

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#include "clang/AST/JSONNodeDumper.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Lex/Lexer.h"
#include "llvm/ADT/StringSwitch.h"
using namespace clang;
void JSONNodeDumper::addPreviousDeclaration(const Decl *D) {
switch (D->getKind()) {
#define DECL(DERIVED, BASE) \
case Decl::DERIVED: \
return writePreviousDeclImpl(cast<DERIVED##Decl>(D));
#define ABSTRACT_DECL(DECL)
#include "clang/AST/DeclNodes.inc"
#undef ABSTRACT_DECL
#undef DECL
}
llvm_unreachable("Decl that isn't part of DeclNodes.inc!");
}
void JSONNodeDumper::Visit(const Attr *A) {
const char *AttrName = nullptr;
switch (A->getKind()) {
#define ATTR(X) \
case attr::X: \
AttrName = #X"Attr"; \
break;
#include "clang/Basic/AttrList.inc"
#undef ATTR
}
JOS.attribute("id", createPointerRepresentation(A));
JOS.attribute("kind", AttrName);
JOS.attributeObject("range", [A, this] { writeSourceRange(A->getRange()); });
attributeOnlyIfTrue("inherited", A->isInherited());
attributeOnlyIfTrue("implicit", A->isImplicit());
// FIXME: it would be useful for us to output the spelling kind as well as
// the actual spelling. This would allow us to distinguish between the
// various attribute syntaxes, but we don't currently track that information
// within the AST.
//JOS.attribute("spelling", A->getSpelling());
InnerAttrVisitor::Visit(A);
}
void JSONNodeDumper::Visit(const Stmt *S) {
if (!S)
return;
JOS.attribute("id", createPointerRepresentation(S));
JOS.attribute("kind", S->getStmtClassName());
JOS.attributeObject("range",
[S, this] { writeSourceRange(S->getSourceRange()); });
if (const auto *E = dyn_cast<Expr>(S)) {
JOS.attribute("type", createQualType(E->getType()));
const char *Category = nullptr;
switch (E->getValueKind()) {
case VK_LValue: Category = "lvalue"; break;
case VK_XValue: Category = "xvalue"; break;
case VK_RValue: Category = "rvalue"; break;
}
JOS.attribute("valueCategory", Category);
}
InnerStmtVisitor::Visit(S);
}
void JSONNodeDumper::Visit(const Type *T) {
JOS.attribute("id", createPointerRepresentation(T));
if (!T)
return;
JOS.attribute("kind", (llvm::Twine(T->getTypeClassName()) + "Type").str());
JOS.attribute("type", createQualType(QualType(T, 0), /*Desugar*/ false));
attributeOnlyIfTrue("isDependent", T->isDependentType());
attributeOnlyIfTrue("isInstantiationDependent",
T->isInstantiationDependentType());
attributeOnlyIfTrue("isVariablyModified", T->isVariablyModifiedType());
attributeOnlyIfTrue("containsUnexpandedPack",
T->containsUnexpandedParameterPack());
attributeOnlyIfTrue("isImported", T->isFromAST());
InnerTypeVisitor::Visit(T);
}
void JSONNodeDumper::Visit(QualType T) {
JOS.attribute("id", createPointerRepresentation(T.getAsOpaquePtr()));
JOS.attribute("kind", "QualType");
JOS.attribute("type", createQualType(T));
JOS.attribute("qualifiers", T.split().Quals.getAsString());
}
void JSONNodeDumper::Visit(const Decl *D) {
JOS.attribute("id", createPointerRepresentation(D));
if (!D)
return;
JOS.attribute("kind", (llvm::Twine(D->getDeclKindName()) + "Decl").str());
JOS.attributeObject("loc",
[D, this] { writeSourceLocation(D->getLocation()); });
JOS.attributeObject("range",
[D, this] { writeSourceRange(D->getSourceRange()); });
attributeOnlyIfTrue("isImplicit", D->isImplicit());
attributeOnlyIfTrue("isInvalid", D->isInvalidDecl());
if (D->isUsed())
JOS.attribute("isUsed", true);
else if (D->isThisDeclarationReferenced())
JOS.attribute("isReferenced", true);
if (const auto *ND = dyn_cast<NamedDecl>(D))
attributeOnlyIfTrue("isHidden", ND->isHidden());
if (D->getLexicalDeclContext() != D->getDeclContext()) {
// Because of multiple inheritance, a DeclContext pointer does not produce
// the same pointer representation as a Decl pointer that references the
// same AST Node.
const auto *ParentDeclContextDecl = dyn_cast<Decl>(D->getDeclContext());
JOS.attribute("parentDeclContextId",
createPointerRepresentation(ParentDeclContextDecl));
}
addPreviousDeclaration(D);
InnerDeclVisitor::Visit(D);
}
void JSONNodeDumper::Visit(const comments::Comment *C,
const comments::FullComment *FC) {
if (!C)
return;
JOS.attribute("id", createPointerRepresentation(C));
JOS.attribute("kind", C->getCommentKindName());
JOS.attributeObject("loc",
[C, this] { writeSourceLocation(C->getLocation()); });
JOS.attributeObject("range",
[C, this] { writeSourceRange(C->getSourceRange()); });
InnerCommentVisitor::visit(C, FC);
}
void JSONNodeDumper::Visit(const TemplateArgument &TA, SourceRange R,
const Decl *From, StringRef Label) {
JOS.attribute("kind", "TemplateArgument");
if (R.isValid())
JOS.attributeObject("range", [R, this] { writeSourceRange(R); });
if (From)
JOS.attribute(Label.empty() ? "fromDecl" : Label, createBareDeclRef(From));
InnerTemplateArgVisitor::Visit(TA);
}
void JSONNodeDumper::Visit(const CXXCtorInitializer *Init) {
JOS.attribute("kind", "CXXCtorInitializer");
if (Init->isAnyMemberInitializer())
JOS.attribute("anyInit", createBareDeclRef(Init->getAnyMember()));
else if (Init->isBaseInitializer())
JOS.attribute("baseInit",
createQualType(QualType(Init->getBaseClass(), 0)));
else if (Init->isDelegatingInitializer())
JOS.attribute("delegatingInit",
createQualType(Init->getTypeSourceInfo()->getType()));
else
llvm_unreachable("Unknown initializer type");
}
void JSONNodeDumper::Visit(const OMPClause *C) {}
void JSONNodeDumper::Visit(const BlockDecl::Capture &C) {
JOS.attribute("kind", "Capture");
attributeOnlyIfTrue("byref", C.isByRef());
attributeOnlyIfTrue("nested", C.isNested());
if (C.getVariable())
JOS.attribute("var", createBareDeclRef(C.getVariable()));
}
void JSONNodeDumper::Visit(const GenericSelectionExpr::ConstAssociation &A) {
JOS.attribute("associationKind", A.getTypeSourceInfo() ? "case" : "default");
attributeOnlyIfTrue("selected", A.isSelected());
}
void JSONNodeDumper::writeIncludeStack(PresumedLoc Loc, bool JustFirst) {
if (Loc.isInvalid())
return;
JOS.attributeBegin("includedFrom");
JOS.objectBegin();
if (!JustFirst) {
// Walk the stack recursively, then print out the presumed location.
writeIncludeStack(SM.getPresumedLoc(Loc.getIncludeLoc()));
}
JOS.attribute("file", Loc.getFilename());
JOS.objectEnd();
JOS.attributeEnd();
}
void JSONNodeDumper::writeBareSourceLocation(SourceLocation Loc,
bool IsSpelling) {
PresumedLoc Presumed = SM.getPresumedLoc(Loc);
unsigned ActualLine = IsSpelling ? SM.getSpellingLineNumber(Loc)
: SM.getExpansionLineNumber(Loc);
StringRef ActualFile = SM.getBufferName(Loc);
if (Presumed.isValid()) {
JOS.attribute("offset", SM.getDecomposedLoc(Loc).second);
if (LastLocFilename != ActualFile) {
JOS.attribute("file", ActualFile);
JOS.attribute("line", ActualLine);
} else if (LastLocLine != ActualLine)
JOS.attribute("line", ActualLine);
StringRef PresumedFile = Presumed.getFilename();
if (PresumedFile != ActualFile && LastLocPresumedFilename != PresumedFile)
JOS.attribute("presumedFile", PresumedFile);
unsigned PresumedLine = Presumed.getLine();
if (ActualLine != PresumedLine && LastLocPresumedLine != PresumedLine)
JOS.attribute("presumedLine", PresumedLine);
JOS.attribute("col", Presumed.getColumn());
JOS.attribute("tokLen",
Lexer::MeasureTokenLength(Loc, SM, Ctx.getLangOpts()));
LastLocFilename = ActualFile;
LastLocPresumedFilename = PresumedFile;
LastLocPresumedLine = PresumedLine;
LastLocLine = ActualLine;
// Orthogonal to the file, line, and column de-duplication is whether the
// given location was a result of an include. If so, print where the
// include location came from.
writeIncludeStack(SM.getPresumedLoc(Presumed.getIncludeLoc()),
/*JustFirst*/ true);
}
}
void JSONNodeDumper::writeSourceLocation(SourceLocation Loc) {
SourceLocation Spelling = SM.getSpellingLoc(Loc);
SourceLocation Expansion = SM.getExpansionLoc(Loc);
if (Expansion != Spelling) {
// If the expansion and the spelling are different, output subobjects
// describing both locations.
JOS.attributeObject("spellingLoc", [Spelling, this] {
writeBareSourceLocation(Spelling, /*IsSpelling*/ true);
});
JOS.attributeObject("expansionLoc", [Expansion, Loc, this] {
writeBareSourceLocation(Expansion, /*IsSpelling*/ false);
// If there is a macro expansion, add extra information if the interesting
// bit is the macro arg expansion.
if (SM.isMacroArgExpansion(Loc))
JOS.attribute("isMacroArgExpansion", true);
});
} else
writeBareSourceLocation(Spelling, /*IsSpelling*/ true);
}
void JSONNodeDumper::writeSourceRange(SourceRange R) {
JOS.attributeObject("begin",
[R, this] { writeSourceLocation(R.getBegin()); });
JOS.attributeObject("end", [R, this] { writeSourceLocation(R.getEnd()); });
}
std::string JSONNodeDumper::createPointerRepresentation(const void *Ptr) {
// Because JSON stores integer values as signed 64-bit integers, trying to
// represent them as such makes for very ugly pointer values in the resulting
// output. Instead, we convert the value to hex and treat it as a string.
return "0x" + llvm::utohexstr(reinterpret_cast<uint64_t>(Ptr), true);
}
llvm::json::Object JSONNodeDumper::createQualType(QualType QT, bool Desugar) {
SplitQualType SQT = QT.split();
llvm::json::Object Ret{{"qualType", QualType::getAsString(SQT, PrintPolicy)}};
if (Desugar && !QT.isNull()) {
SplitQualType DSQT = QT.getSplitDesugaredType();
if (DSQT != SQT)
Ret["desugaredQualType"] = QualType::getAsString(DSQT, PrintPolicy);
if (const auto *TT = QT->getAs<TypedefType>())
Ret["typeAliasDeclId"] = createPointerRepresentation(TT->getDecl());
}
return Ret;
}
void JSONNodeDumper::writeBareDeclRef(const Decl *D) {
JOS.attribute("id", createPointerRepresentation(D));
if (!D)
return;
JOS.attribute("kind", (llvm::Twine(D->getDeclKindName()) + "Decl").str());
if (const auto *ND = dyn_cast<NamedDecl>(D))
JOS.attribute("name", ND->getDeclName().getAsString());
if (const auto *VD = dyn_cast<ValueDecl>(D))
JOS.attribute("type", createQualType(VD->getType()));
}
llvm::json::Object JSONNodeDumper::createBareDeclRef(const Decl *D) {
llvm::json::Object Ret{{"id", createPointerRepresentation(D)}};
if (!D)
return Ret;
Ret["kind"] = (llvm::Twine(D->getDeclKindName()) + "Decl").str();
if (const auto *ND = dyn_cast<NamedDecl>(D))
Ret["name"] = ND->getDeclName().getAsString();
if (const auto *VD = dyn_cast<ValueDecl>(D))
Ret["type"] = createQualType(VD->getType());
return Ret;
}
llvm::json::Array JSONNodeDumper::createCastPath(const CastExpr *C) {
llvm::json::Array Ret;
if (C->path_empty())
return Ret;
for (auto I = C->path_begin(), E = C->path_end(); I != E; ++I) {
const CXXBaseSpecifier *Base = *I;
const auto *RD =
cast<CXXRecordDecl>(Base->getType()->castAs<RecordType>()->getDecl());
llvm::json::Object Val{{"name", RD->getName()}};
if (Base->isVirtual())
Val["isVirtual"] = true;
Ret.push_back(std::move(Val));
}
return Ret;
}
#define FIELD2(Name, Flag) if (RD->Flag()) Ret[Name] = true
#define FIELD1(Flag) FIELD2(#Flag, Flag)
static llvm::json::Object
createDefaultConstructorDefinitionData(const CXXRecordDecl *RD) {
llvm::json::Object Ret;
FIELD2("exists", hasDefaultConstructor);
FIELD2("trivial", hasTrivialDefaultConstructor);
FIELD2("nonTrivial", hasNonTrivialDefaultConstructor);
FIELD2("userProvided", hasUserProvidedDefaultConstructor);
FIELD2("isConstexpr", hasConstexprDefaultConstructor);
FIELD2("needsImplicit", needsImplicitDefaultConstructor);
FIELD2("defaultedIsConstexpr", defaultedDefaultConstructorIsConstexpr);
return Ret;
}
static llvm::json::Object
createCopyConstructorDefinitionData(const CXXRecordDecl *RD) {
llvm::json::Object Ret;
FIELD2("simple", hasSimpleCopyConstructor);
FIELD2("trivial", hasTrivialCopyConstructor);
FIELD2("nonTrivial", hasNonTrivialCopyConstructor);
FIELD2("userDeclared", hasUserDeclaredCopyConstructor);
FIELD2("hasConstParam", hasCopyConstructorWithConstParam);
FIELD2("implicitHasConstParam", implicitCopyConstructorHasConstParam);
FIELD2("needsImplicit", needsImplicitCopyConstructor);
FIELD2("needsOverloadResolution", needsOverloadResolutionForCopyConstructor);
if (!RD->needsOverloadResolutionForCopyConstructor())
FIELD2("defaultedIsDeleted", defaultedCopyConstructorIsDeleted);
return Ret;
}
static llvm::json::Object
createMoveConstructorDefinitionData(const CXXRecordDecl *RD) {
llvm::json::Object Ret;
FIELD2("exists", hasMoveConstructor);
FIELD2("simple", hasSimpleMoveConstructor);
FIELD2("trivial", hasTrivialMoveConstructor);
FIELD2("nonTrivial", hasNonTrivialMoveConstructor);
FIELD2("userDeclared", hasUserDeclaredMoveConstructor);
FIELD2("needsImplicit", needsImplicitMoveConstructor);
FIELD2("needsOverloadResolution", needsOverloadResolutionForMoveConstructor);
if (!RD->needsOverloadResolutionForMoveConstructor())
FIELD2("defaultedIsDeleted", defaultedMoveConstructorIsDeleted);
return Ret;
}
static llvm::json::Object
createCopyAssignmentDefinitionData(const CXXRecordDecl *RD) {
llvm::json::Object Ret;
FIELD2("trivial", hasTrivialCopyAssignment);
FIELD2("nonTrivial", hasNonTrivialCopyAssignment);
FIELD2("hasConstParam", hasCopyAssignmentWithConstParam);
FIELD2("implicitHasConstParam", implicitCopyAssignmentHasConstParam);
FIELD2("userDeclared", hasUserDeclaredCopyAssignment);
FIELD2("needsImplicit", needsImplicitCopyAssignment);
FIELD2("needsOverloadResolution", needsOverloadResolutionForCopyAssignment);
return Ret;
}
static llvm::json::Object
createMoveAssignmentDefinitionData(const CXXRecordDecl *RD) {
llvm::json::Object Ret;
FIELD2("exists", hasMoveAssignment);
FIELD2("simple", hasSimpleMoveAssignment);
FIELD2("trivial", hasTrivialMoveAssignment);
FIELD2("nonTrivial", hasNonTrivialMoveAssignment);
FIELD2("userDeclared", hasUserDeclaredMoveAssignment);
FIELD2("needsImplicit", needsImplicitMoveAssignment);
FIELD2("needsOverloadResolution", needsOverloadResolutionForMoveAssignment);
return Ret;
}
static llvm::json::Object
createDestructorDefinitionData(const CXXRecordDecl *RD) {
llvm::json::Object Ret;
FIELD2("simple", hasSimpleDestructor);
FIELD2("irrelevant", hasIrrelevantDestructor);
FIELD2("trivial", hasTrivialDestructor);
FIELD2("nonTrivial", hasNonTrivialDestructor);
FIELD2("userDeclared", hasUserDeclaredDestructor);
FIELD2("needsImplicit", needsImplicitDestructor);
FIELD2("needsOverloadResolution", needsOverloadResolutionForDestructor);
if (!RD->needsOverloadResolutionForDestructor())
FIELD2("defaultedIsDeleted", defaultedDestructorIsDeleted);
return Ret;
}
llvm::json::Object
JSONNodeDumper::createCXXRecordDefinitionData(const CXXRecordDecl *RD) {
llvm::json::Object Ret;
// This data is common to all C++ classes.
FIELD1(isGenericLambda);
FIELD1(isLambda);
FIELD1(isEmpty);
FIELD1(isAggregate);
FIELD1(isStandardLayout);
FIELD1(isTriviallyCopyable);
FIELD1(isPOD);
FIELD1(isTrivial);
FIELD1(isPolymorphic);
FIELD1(isAbstract);
FIELD1(isLiteral);
FIELD1(canPassInRegisters);
FIELD1(hasUserDeclaredConstructor);
FIELD1(hasConstexprNonCopyMoveConstructor);
FIELD1(hasMutableFields);
FIELD1(hasVariantMembers);
FIELD2("canConstDefaultInit", allowConstDefaultInit);
Ret["defaultCtor"] = createDefaultConstructorDefinitionData(RD);
Ret["copyCtor"] = createCopyConstructorDefinitionData(RD);
Ret["moveCtor"] = createMoveConstructorDefinitionData(RD);
Ret["copyAssign"] = createCopyAssignmentDefinitionData(RD);
Ret["moveAssign"] = createMoveAssignmentDefinitionData(RD);
Ret["dtor"] = createDestructorDefinitionData(RD);
return Ret;
}
#undef FIELD1
#undef FIELD2
std::string JSONNodeDumper::createAccessSpecifier(AccessSpecifier AS) {
switch (AS) {
case AS_none: return "none";
case AS_private: return "private";
case AS_protected: return "protected";
case AS_public: return "public";
}
llvm_unreachable("Unknown access specifier");
}
llvm::json::Object
JSONNodeDumper::createCXXBaseSpecifier(const CXXBaseSpecifier &BS) {
llvm::json::Object Ret;
Ret["type"] = createQualType(BS.getType());
Ret["access"] = createAccessSpecifier(BS.getAccessSpecifier());
Ret["writtenAccess"] =
createAccessSpecifier(BS.getAccessSpecifierAsWritten());
if (BS.isVirtual())
Ret["isVirtual"] = true;
if (BS.isPackExpansion())
Ret["isPackExpansion"] = true;
return Ret;
}
void JSONNodeDumper::VisitTypedefType(const TypedefType *TT) {
JOS.attribute("decl", createBareDeclRef(TT->getDecl()));
}
void JSONNodeDumper::VisitFunctionType(const FunctionType *T) {
FunctionType::ExtInfo E = T->getExtInfo();
attributeOnlyIfTrue("noreturn", E.getNoReturn());
attributeOnlyIfTrue("producesResult", E.getProducesResult());
if (E.getHasRegParm())
JOS.attribute("regParm", E.getRegParm());
JOS.attribute("cc", FunctionType::getNameForCallConv(E.getCC()));
}
void JSONNodeDumper::VisitFunctionProtoType(const FunctionProtoType *T) {
FunctionProtoType::ExtProtoInfo E = T->getExtProtoInfo();
attributeOnlyIfTrue("trailingReturn", E.HasTrailingReturn);
attributeOnlyIfTrue("const", T->isConst());
attributeOnlyIfTrue("volatile", T->isVolatile());
attributeOnlyIfTrue("restrict", T->isRestrict());
attributeOnlyIfTrue("variadic", E.Variadic);
switch (E.RefQualifier) {
case RQ_LValue: JOS.attribute("refQualifier", "&"); break;
case RQ_RValue: JOS.attribute("refQualifier", "&&"); break;
case RQ_None: break;
}
switch (E.ExceptionSpec.Type) {
case EST_DynamicNone:
case EST_Dynamic: {
JOS.attribute("exceptionSpec", "throw");
llvm::json::Array Types;
for (QualType QT : E.ExceptionSpec.Exceptions)
Types.push_back(createQualType(QT));
JOS.attribute("exceptionTypes", std::move(Types));
} break;
case EST_MSAny:
JOS.attribute("exceptionSpec", "throw");
JOS.attribute("throwsAny", true);
break;
case EST_BasicNoexcept:
JOS.attribute("exceptionSpec", "noexcept");
break;
case EST_NoexceptTrue:
case EST_NoexceptFalse:
JOS.attribute("exceptionSpec", "noexcept");
JOS.attribute("conditionEvaluatesTo",
E.ExceptionSpec.Type == EST_NoexceptTrue);
//JOS.attributeWithCall("exceptionSpecExpr",
// [this, E]() { Visit(E.ExceptionSpec.NoexceptExpr); });
break;
case EST_NoThrow:
JOS.attribute("exceptionSpec", "nothrow");
break;
// FIXME: I cannot find a way to trigger these cases while dumping the AST. I
// suspect you can only run into them when executing an AST dump from within
// the debugger, which is not a use case we worry about for the JSON dumping
// feature.
case EST_DependentNoexcept:
case EST_Unevaluated:
case EST_Uninstantiated:
case EST_Unparsed:
case EST_None: break;
}
VisitFunctionType(T);
}
void JSONNodeDumper::VisitRValueReferenceType(const ReferenceType *RT) {
attributeOnlyIfTrue("spelledAsLValue", RT->isSpelledAsLValue());
}
void JSONNodeDumper::VisitArrayType(const ArrayType *AT) {
switch (AT->getSizeModifier()) {
case ArrayType::Star:
JOS.attribute("sizeModifier", "*");
break;
case ArrayType::Static:
JOS.attribute("sizeModifier", "static");
break;
case ArrayType::Normal:
break;
}
std::string Str = AT->getIndexTypeQualifiers().getAsString();
if (!Str.empty())
JOS.attribute("indexTypeQualifiers", Str);
}
void JSONNodeDumper::VisitConstantArrayType(const ConstantArrayType *CAT) {
// FIXME: this should use ZExt instead of SExt, but JSON doesn't allow a
// narrowing conversion to int64_t so it cannot be expressed.
JOS.attribute("size", CAT->getSize().getSExtValue());
VisitArrayType(CAT);
}
void JSONNodeDumper::VisitDependentSizedExtVectorType(
const DependentSizedExtVectorType *VT) {
JOS.attributeObject(
"attrLoc", [VT, this] { writeSourceLocation(VT->getAttributeLoc()); });
}
void JSONNodeDumper::VisitVectorType(const VectorType *VT) {
JOS.attribute("numElements", VT->getNumElements());
switch (VT->getVectorKind()) {
case VectorType::GenericVector:
break;
case VectorType::AltiVecVector:
JOS.attribute("vectorKind", "altivec");
break;
case VectorType::AltiVecPixel:
JOS.attribute("vectorKind", "altivec pixel");
break;
case VectorType::AltiVecBool:
JOS.attribute("vectorKind", "altivec bool");
break;
case VectorType::NeonVector:
JOS.attribute("vectorKind", "neon");
break;
case VectorType::NeonPolyVector:
JOS.attribute("vectorKind", "neon poly");
break;
}
}
void JSONNodeDumper::VisitUnresolvedUsingType(const UnresolvedUsingType *UUT) {
JOS.attribute("decl", createBareDeclRef(UUT->getDecl()));
}
void JSONNodeDumper::VisitUnaryTransformType(const UnaryTransformType *UTT) {
switch (UTT->getUTTKind()) {
case UnaryTransformType::EnumUnderlyingType:
JOS.attribute("transformKind", "underlying_type");
break;
}
}
void JSONNodeDumper::VisitTagType(const TagType *TT) {
JOS.attribute("decl", createBareDeclRef(TT->getDecl()));
}
void JSONNodeDumper::VisitTemplateTypeParmType(
const TemplateTypeParmType *TTPT) {
JOS.attribute("depth", TTPT->getDepth());
JOS.attribute("index", TTPT->getIndex());
attributeOnlyIfTrue("isPack", TTPT->isParameterPack());
JOS.attribute("decl", createBareDeclRef(TTPT->getDecl()));
}
void JSONNodeDumper::VisitAutoType(const AutoType *AT) {
JOS.attribute("undeduced", !AT->isDeduced());
switch (AT->getKeyword()) {
case AutoTypeKeyword::Auto:
JOS.attribute("typeKeyword", "auto");
break;
case AutoTypeKeyword::DecltypeAuto:
JOS.attribute("typeKeyword", "decltype(auto)");
break;
case AutoTypeKeyword::GNUAutoType:
JOS.attribute("typeKeyword", "__auto_type");
break;
}
}
void JSONNodeDumper::VisitTemplateSpecializationType(
const TemplateSpecializationType *TST) {
attributeOnlyIfTrue("isAlias", TST->isTypeAlias());
std::string Str;
llvm::raw_string_ostream OS(Str);
TST->getTemplateName().print(OS, PrintPolicy);
JOS.attribute("templateName", OS.str());
}
void JSONNodeDumper::VisitInjectedClassNameType(
const InjectedClassNameType *ICNT) {
JOS.attribute("decl", createBareDeclRef(ICNT->getDecl()));
}
void JSONNodeDumper::VisitObjCInterfaceType(const ObjCInterfaceType *OIT) {
JOS.attribute("decl", createBareDeclRef(OIT->getDecl()));
}
void JSONNodeDumper::VisitPackExpansionType(const PackExpansionType *PET) {
if (llvm::Optional<unsigned> N = PET->getNumExpansions())
JOS.attribute("numExpansions", *N);
}
void JSONNodeDumper::VisitElaboratedType(const ElaboratedType *ET) {
if (const NestedNameSpecifier *NNS = ET->getQualifier()) {
std::string Str;
llvm::raw_string_ostream OS(Str);
NNS->print(OS, PrintPolicy, /*ResolveTemplateArgs*/ true);
JOS.attribute("qualifier", OS.str());
}
if (const TagDecl *TD = ET->getOwnedTagDecl())
JOS.attribute("ownedTagDecl", createBareDeclRef(TD));
}
void JSONNodeDumper::VisitMacroQualifiedType(const MacroQualifiedType *MQT) {
JOS.attribute("macroName", MQT->getMacroIdentifier()->getName());
}
void JSONNodeDumper::VisitMemberPointerType(const MemberPointerType *MPT) {
attributeOnlyIfTrue("isData", MPT->isMemberDataPointer());
attributeOnlyIfTrue("isFunction", MPT->isMemberFunctionPointer());
}
void JSONNodeDumper::VisitNamedDecl(const NamedDecl *ND) {
if (ND && ND->getDeclName()) {
JOS.attribute("name", ND->getNameAsString());
std::string MangledName = ASTNameGen.getName(ND);
if (!MangledName.empty())
JOS.attribute("mangledName", MangledName);
}
}
void JSONNodeDumper::VisitTypedefDecl(const TypedefDecl *TD) {
VisitNamedDecl(TD);
JOS.attribute("type", createQualType(TD->getUnderlyingType()));
}
void JSONNodeDumper::VisitTypeAliasDecl(const TypeAliasDecl *TAD) {
VisitNamedDecl(TAD);
JOS.attribute("type", createQualType(TAD->getUnderlyingType()));
}
void JSONNodeDumper::VisitNamespaceDecl(const NamespaceDecl *ND) {
VisitNamedDecl(ND);
attributeOnlyIfTrue("isInline", ND->isInline());
if (!ND->isOriginalNamespace())
JOS.attribute("originalNamespace",
createBareDeclRef(ND->getOriginalNamespace()));
}
void JSONNodeDumper::VisitUsingDirectiveDecl(const UsingDirectiveDecl *UDD) {
JOS.attribute("nominatedNamespace",
createBareDeclRef(UDD->getNominatedNamespace()));
}
void JSONNodeDumper::VisitNamespaceAliasDecl(const NamespaceAliasDecl *NAD) {
VisitNamedDecl(NAD);
JOS.attribute("aliasedNamespace",
createBareDeclRef(NAD->getAliasedNamespace()));
}
void JSONNodeDumper::VisitUsingDecl(const UsingDecl *UD) {
std::string Name;
if (const NestedNameSpecifier *NNS = UD->getQualifier()) {
llvm::raw_string_ostream SOS(Name);
NNS->print(SOS, UD->getASTContext().getPrintingPolicy());
}
Name += UD->getNameAsString();
JOS.attribute("name", Name);
}
void JSONNodeDumper::VisitUsingShadowDecl(const UsingShadowDecl *USD) {
JOS.attribute("target", createBareDeclRef(USD->getTargetDecl()));
}
void JSONNodeDumper::VisitVarDecl(const VarDecl *VD) {
VisitNamedDecl(VD);
JOS.attribute("type", createQualType(VD->getType()));
StorageClass SC = VD->getStorageClass();
if (SC != SC_None)
JOS.attribute("storageClass", VarDecl::getStorageClassSpecifierString(SC));
switch (VD->getTLSKind()) {
case VarDecl::TLS_Dynamic: JOS.attribute("tls", "dynamic"); break;
case VarDecl::TLS_Static: JOS.attribute("tls", "static"); break;
case VarDecl::TLS_None: break;
}
attributeOnlyIfTrue("nrvo", VD->isNRVOVariable());
attributeOnlyIfTrue("inline", VD->isInline());
attributeOnlyIfTrue("constexpr", VD->isConstexpr());
attributeOnlyIfTrue("modulePrivate", VD->isModulePrivate());
if (VD->hasInit()) {
switch (VD->getInitStyle()) {
case VarDecl::CInit: JOS.attribute("init", "c"); break;
case VarDecl::CallInit: JOS.attribute("init", "call"); break;
case VarDecl::ListInit: JOS.attribute("init", "list"); break;
}
}
attributeOnlyIfTrue("isParameterPack", VD->isParameterPack());
}
void JSONNodeDumper::VisitFieldDecl(const FieldDecl *FD) {
VisitNamedDecl(FD);
JOS.attribute("type", createQualType(FD->getType()));
attributeOnlyIfTrue("mutable", FD->isMutable());
attributeOnlyIfTrue("modulePrivate", FD->isModulePrivate());
attributeOnlyIfTrue("isBitfield", FD->isBitField());
attributeOnlyIfTrue("hasInClassInitializer", FD->hasInClassInitializer());
}
void JSONNodeDumper::VisitFunctionDecl(const FunctionDecl *FD) {
VisitNamedDecl(FD);
JOS.attribute("type", createQualType(FD->getType()));
StorageClass SC = FD->getStorageClass();
if (SC != SC_None)
JOS.attribute("storageClass", VarDecl::getStorageClassSpecifierString(SC));
attributeOnlyIfTrue("inline", FD->isInlineSpecified());
attributeOnlyIfTrue("virtual", FD->isVirtualAsWritten());
attributeOnlyIfTrue("pure", FD->isPure());
attributeOnlyIfTrue("explicitlyDeleted", FD->isDeletedAsWritten());
attributeOnlyIfTrue("constexpr", FD->isConstexpr());
attributeOnlyIfTrue("variadic", FD->isVariadic());
if (FD->isDefaulted())
JOS.attribute("explicitlyDefaulted",
FD->isDeleted() ? "deleted" : "default");
}
void JSONNodeDumper::VisitEnumDecl(const EnumDecl *ED) {
VisitNamedDecl(ED);
if (ED->isFixed())
JOS.attribute("fixedUnderlyingType", createQualType(ED->getIntegerType()));
if (ED->isScoped())
JOS.attribute("scopedEnumTag",
ED->isScopedUsingClassTag() ? "class" : "struct");
}
void JSONNodeDumper::VisitEnumConstantDecl(const EnumConstantDecl *ECD) {
VisitNamedDecl(ECD);
JOS.attribute("type", createQualType(ECD->getType()));
}
void JSONNodeDumper::VisitRecordDecl(const RecordDecl *RD) {
VisitNamedDecl(RD);
JOS.attribute("tagUsed", RD->getKindName());
attributeOnlyIfTrue("completeDefinition", RD->isCompleteDefinition());
}
void JSONNodeDumper::VisitCXXRecordDecl(const CXXRecordDecl *RD) {
VisitRecordDecl(RD);
// All other information requires a complete definition.
if (!RD->isCompleteDefinition())
return;
JOS.attribute("definitionData", createCXXRecordDefinitionData(RD));
if (RD->getNumBases()) {
JOS.attributeArray("bases", [this, RD] {
for (const auto &Spec : RD->bases())
JOS.value(createCXXBaseSpecifier(Spec));
});
}
}
void JSONNodeDumper::VisitTemplateTypeParmDecl(const TemplateTypeParmDecl *D) {
VisitNamedDecl(D);
JOS.attribute("tagUsed", D->wasDeclaredWithTypename() ? "typename" : "class");
JOS.attribute("depth", D->getDepth());
JOS.attribute("index", D->getIndex());
attributeOnlyIfTrue("isParameterPack", D->isParameterPack());
if (D->hasDefaultArgument())
JOS.attributeObject("defaultArg", [=] {
Visit(D->getDefaultArgument(), SourceRange(),
D->getDefaultArgStorage().getInheritedFrom(),
D->defaultArgumentWasInherited() ? "inherited from" : "previous");
});
}
void JSONNodeDumper::VisitNonTypeTemplateParmDecl(
const NonTypeTemplateParmDecl *D) {
VisitNamedDecl(D);
JOS.attribute("type", createQualType(D->getType()));
JOS.attribute("depth", D->getDepth());
JOS.attribute("index", D->getIndex());
attributeOnlyIfTrue("isParameterPack", D->isParameterPack());
if (D->hasDefaultArgument())
JOS.attributeObject("defaultArg", [=] {
Visit(D->getDefaultArgument(), SourceRange(),
D->getDefaultArgStorage().getInheritedFrom(),
D->defaultArgumentWasInherited() ? "inherited from" : "previous");
});
}
void JSONNodeDumper::VisitTemplateTemplateParmDecl(
const TemplateTemplateParmDecl *D) {
VisitNamedDecl(D);
JOS.attribute("depth", D->getDepth());
JOS.attribute("index", D->getIndex());
attributeOnlyIfTrue("isParameterPack", D->isParameterPack());
if (D->hasDefaultArgument())
JOS.attributeObject("defaultArg", [=] {
Visit(D->getDefaultArgument().getArgument(),
D->getDefaultArgStorage().getInheritedFrom()->getSourceRange(),
D->getDefaultArgStorage().getInheritedFrom(),
D->defaultArgumentWasInherited() ? "inherited from" : "previous");
});
}
void JSONNodeDumper::VisitLinkageSpecDecl(const LinkageSpecDecl *LSD) {
StringRef Lang;
switch (LSD->getLanguage()) {
case LinkageSpecDecl::lang_c: Lang = "C"; break;
case LinkageSpecDecl::lang_cxx: Lang = "C++"; break;
}
JOS.attribute("language", Lang);
attributeOnlyIfTrue("hasBraces", LSD->hasBraces());
}
void JSONNodeDumper::VisitAccessSpecDecl(const AccessSpecDecl *ASD) {
JOS.attribute("access", createAccessSpecifier(ASD->getAccess()));
}
void JSONNodeDumper::VisitFriendDecl(const FriendDecl *FD) {
if (const TypeSourceInfo *T = FD->getFriendType())
JOS.attribute("type", createQualType(T->getType()));
}
void JSONNodeDumper::VisitObjCIvarDecl(const ObjCIvarDecl *D) {
VisitNamedDecl(D);
JOS.attribute("type", createQualType(D->getType()));
attributeOnlyIfTrue("synthesized", D->getSynthesize());
switch (D->getAccessControl()) {
case ObjCIvarDecl::None: JOS.attribute("access", "none"); break;
case ObjCIvarDecl::Private: JOS.attribute("access", "private"); break;
case ObjCIvarDecl::Protected: JOS.attribute("access", "protected"); break;
case ObjCIvarDecl::Public: JOS.attribute("access", "public"); break;
case ObjCIvarDecl::Package: JOS.attribute("access", "package"); break;
}
}
void JSONNodeDumper::VisitObjCMethodDecl(const ObjCMethodDecl *D) {
VisitNamedDecl(D);
JOS.attribute("returnType", createQualType(D->getReturnType()));
JOS.attribute("instance", D->isInstanceMethod());
attributeOnlyIfTrue("variadic", D->isVariadic());
}
void JSONNodeDumper::VisitObjCTypeParamDecl(const ObjCTypeParamDecl *D) {
VisitNamedDecl(D);
JOS.attribute("type", createQualType(D->getUnderlyingType()));
attributeOnlyIfTrue("bounded", D->hasExplicitBound());
switch (D->getVariance()) {
case ObjCTypeParamVariance::Invariant:
break;
case ObjCTypeParamVariance::Covariant:
JOS.attribute("variance", "covariant");
break;
case ObjCTypeParamVariance::Contravariant:
JOS.attribute("variance", "contravariant");
break;
}
}
void JSONNodeDumper::VisitObjCCategoryDecl(const ObjCCategoryDecl *D) {
VisitNamedDecl(D);
JOS.attribute("interface", createBareDeclRef(D->getClassInterface()));
JOS.attribute("implementation", createBareDeclRef(D->getImplementation()));
llvm::json::Array Protocols;
for (const auto* P : D->protocols())
Protocols.push_back(createBareDeclRef(P));
if (!Protocols.empty())
JOS.attribute("protocols", std::move(Protocols));
}
void JSONNodeDumper::VisitObjCCategoryImplDecl(const ObjCCategoryImplDecl *D) {
VisitNamedDecl(D);
JOS.attribute("interface", createBareDeclRef(D->getClassInterface()));
JOS.attribute("categoryDecl", createBareDeclRef(D->getCategoryDecl()));
}
void JSONNodeDumper::VisitObjCProtocolDecl(const ObjCProtocolDecl *D) {
VisitNamedDecl(D);
llvm::json::Array Protocols;
for (const auto *P : D->protocols())
Protocols.push_back(createBareDeclRef(P));
if (!Protocols.empty())
JOS.attribute("protocols", std::move(Protocols));
}
void JSONNodeDumper::VisitObjCInterfaceDecl(const ObjCInterfaceDecl *D) {
VisitNamedDecl(D);
JOS.attribute("super", createBareDeclRef(D->getSuperClass()));
JOS.attribute("implementation", createBareDeclRef(D->getImplementation()));
llvm::json::Array Protocols;
for (const auto* P : D->protocols())
Protocols.push_back(createBareDeclRef(P));
if (!Protocols.empty())
JOS.attribute("protocols", std::move(Protocols));
}
void JSONNodeDumper::VisitObjCImplementationDecl(
const ObjCImplementationDecl *D) {
VisitNamedDecl(D);
JOS.attribute("super", createBareDeclRef(D->getSuperClass()));
JOS.attribute("interface", createBareDeclRef(D->getClassInterface()));
}
void JSONNodeDumper::VisitObjCCompatibleAliasDecl(
const ObjCCompatibleAliasDecl *D) {
VisitNamedDecl(D);
JOS.attribute("interface", createBareDeclRef(D->getClassInterface()));
}
void JSONNodeDumper::VisitObjCPropertyDecl(const ObjCPropertyDecl *D) {
VisitNamedDecl(D);
JOS.attribute("type", createQualType(D->getType()));
switch (D->getPropertyImplementation()) {
case ObjCPropertyDecl::None: break;
case ObjCPropertyDecl::Required: JOS.attribute("control", "required"); break;
case ObjCPropertyDecl::Optional: JOS.attribute("control", "optional"); break;
}
ObjCPropertyDecl::PropertyAttributeKind Attrs = D->getPropertyAttributes();
if (Attrs != ObjCPropertyDecl::OBJC_PR_noattr) {
if (Attrs & ObjCPropertyDecl::OBJC_PR_getter)
JOS.attribute("getter", createBareDeclRef(D->getGetterMethodDecl()));
if (Attrs & ObjCPropertyDecl::OBJC_PR_setter)
JOS.attribute("setter", createBareDeclRef(D->getSetterMethodDecl()));
attributeOnlyIfTrue("readonly", Attrs & ObjCPropertyDecl::OBJC_PR_readonly);
attributeOnlyIfTrue("assign", Attrs & ObjCPropertyDecl::OBJC_PR_assign);
attributeOnlyIfTrue("readwrite",
Attrs & ObjCPropertyDecl::OBJC_PR_readwrite);
attributeOnlyIfTrue("retain", Attrs & ObjCPropertyDecl::OBJC_PR_retain);
attributeOnlyIfTrue("copy", Attrs & ObjCPropertyDecl::OBJC_PR_copy);
attributeOnlyIfTrue("nonatomic",
Attrs & ObjCPropertyDecl::OBJC_PR_nonatomic);
attributeOnlyIfTrue("atomic", Attrs & ObjCPropertyDecl::OBJC_PR_atomic);
attributeOnlyIfTrue("weak", Attrs & ObjCPropertyDecl::OBJC_PR_weak);
attributeOnlyIfTrue("strong", Attrs & ObjCPropertyDecl::OBJC_PR_strong);
attributeOnlyIfTrue("unsafe_unretained",
Attrs & ObjCPropertyDecl::OBJC_PR_unsafe_unretained);
attributeOnlyIfTrue("class", Attrs & ObjCPropertyDecl::OBJC_PR_class);
attributeOnlyIfTrue("direct", Attrs & ObjCPropertyDecl::OBJC_PR_direct);
attributeOnlyIfTrue("nullability",
Attrs & ObjCPropertyDecl::OBJC_PR_nullability);
attributeOnlyIfTrue("null_resettable",
Attrs & ObjCPropertyDecl::OBJC_PR_null_resettable);
}
}
void JSONNodeDumper::VisitObjCPropertyImplDecl(const ObjCPropertyImplDecl *D) {
VisitNamedDecl(D->getPropertyDecl());
JOS.attribute("implKind", D->getPropertyImplementation() ==
ObjCPropertyImplDecl::Synthesize
? "synthesize"
: "dynamic");
JOS.attribute("propertyDecl", createBareDeclRef(D->getPropertyDecl()));
JOS.attribute("ivarDecl", createBareDeclRef(D->getPropertyIvarDecl()));
}
void JSONNodeDumper::VisitBlockDecl(const BlockDecl *D) {
attributeOnlyIfTrue("variadic", D->isVariadic());
attributeOnlyIfTrue("capturesThis", D->capturesCXXThis());
}
void JSONNodeDumper::VisitObjCEncodeExpr(const ObjCEncodeExpr *OEE) {
JOS.attribute("encodedType", createQualType(OEE->getEncodedType()));
}
void JSONNodeDumper::VisitObjCMessageExpr(const ObjCMessageExpr *OME) {
std::string Str;
llvm::raw_string_ostream OS(Str);
OME->getSelector().print(OS);
JOS.attribute("selector", OS.str());
switch (OME->getReceiverKind()) {
case ObjCMessageExpr::Instance:
JOS.attribute("receiverKind", "instance");
break;
case ObjCMessageExpr::Class:
JOS.attribute("receiverKind", "class");
JOS.attribute("classType", createQualType(OME->getClassReceiver()));
break;
case ObjCMessageExpr::SuperInstance:
JOS.attribute("receiverKind", "super (instance)");
JOS.attribute("superType", createQualType(OME->getSuperType()));
break;
case ObjCMessageExpr::SuperClass:
JOS.attribute("receiverKind", "super (class)");
JOS.attribute("superType", createQualType(OME->getSuperType()));
break;
}
QualType CallReturnTy = OME->getCallReturnType(Ctx);
if (OME->getType() != CallReturnTy)
JOS.attribute("callReturnType", createQualType(CallReturnTy));
}
void JSONNodeDumper::VisitObjCBoxedExpr(const ObjCBoxedExpr *OBE) {
if (const ObjCMethodDecl *MD = OBE->getBoxingMethod()) {
std::string Str;
llvm::raw_string_ostream OS(Str);
MD->getSelector().print(OS);
JOS.attribute("selector", OS.str());
}
}
void JSONNodeDumper::VisitObjCSelectorExpr(const ObjCSelectorExpr *OSE) {
std::string Str;
llvm::raw_string_ostream OS(Str);
OSE->getSelector().print(OS);
JOS.attribute("selector", OS.str());
}
void JSONNodeDumper::VisitObjCProtocolExpr(const ObjCProtocolExpr *OPE) {
JOS.attribute("protocol", createBareDeclRef(OPE->getProtocol()));
}
void JSONNodeDumper::VisitObjCPropertyRefExpr(const ObjCPropertyRefExpr *OPRE) {
if (OPRE->isImplicitProperty()) {
JOS.attribute("propertyKind", "implicit");
if (const ObjCMethodDecl *MD = OPRE->getImplicitPropertyGetter())
JOS.attribute("getter", createBareDeclRef(MD));
if (const ObjCMethodDecl *MD = OPRE->getImplicitPropertySetter())
JOS.attribute("setter", createBareDeclRef(MD));
} else {
JOS.attribute("propertyKind", "explicit");
JOS.attribute("property", createBareDeclRef(OPRE->getExplicitProperty()));
}
attributeOnlyIfTrue("isSuperReceiver", OPRE->isSuperReceiver());
attributeOnlyIfTrue("isMessagingGetter", OPRE->isMessagingGetter());
attributeOnlyIfTrue("isMessagingSetter", OPRE->isMessagingSetter());
}
void JSONNodeDumper::VisitObjCSubscriptRefExpr(
const ObjCSubscriptRefExpr *OSRE) {
JOS.attribute("subscriptKind",
OSRE->isArraySubscriptRefExpr() ? "array" : "dictionary");
if (const ObjCMethodDecl *MD = OSRE->getAtIndexMethodDecl())
JOS.attribute("getter", createBareDeclRef(MD));
if (const ObjCMethodDecl *MD = OSRE->setAtIndexMethodDecl())
JOS.attribute("setter", createBareDeclRef(MD));
}
void JSONNodeDumper::VisitObjCIvarRefExpr(const ObjCIvarRefExpr *OIRE) {
JOS.attribute("decl", createBareDeclRef(OIRE->getDecl()));
attributeOnlyIfTrue("isFreeIvar", OIRE->isFreeIvar());
JOS.attribute("isArrow", OIRE->isArrow());
}
void JSONNodeDumper::VisitObjCBoolLiteralExpr(const ObjCBoolLiteralExpr *OBLE) {
JOS.attribute("value", OBLE->getValue() ? "__objc_yes" : "__objc_no");
}
void JSONNodeDumper::VisitDeclRefExpr(const DeclRefExpr *DRE) {
JOS.attribute("referencedDecl", createBareDeclRef(DRE->getDecl()));
if (DRE->getDecl() != DRE->getFoundDecl())
JOS.attribute("foundReferencedDecl",
createBareDeclRef(DRE->getFoundDecl()));
switch (DRE->isNonOdrUse()) {
case NOUR_None: break;
case NOUR_Unevaluated: JOS.attribute("nonOdrUseReason", "unevaluated"); break;
case NOUR_Constant: JOS.attribute("nonOdrUseReason", "constant"); break;
case NOUR_Discarded: JOS.attribute("nonOdrUseReason", "discarded"); break;
}
}
void JSONNodeDumper::VisitPredefinedExpr(const PredefinedExpr *PE) {
JOS.attribute("name", PredefinedExpr::getIdentKindName(PE->getIdentKind()));
}
void JSONNodeDumper::VisitUnaryOperator(const UnaryOperator *UO) {
JOS.attribute("isPostfix", UO->isPostfix());
JOS.attribute("opcode", UnaryOperator::getOpcodeStr(UO->getOpcode()));
if (!UO->canOverflow())
JOS.attribute("canOverflow", false);
}
void JSONNodeDumper::VisitBinaryOperator(const BinaryOperator *BO) {
JOS.attribute("opcode", BinaryOperator::getOpcodeStr(BO->getOpcode()));
}
void JSONNodeDumper::VisitCompoundAssignOperator(
const CompoundAssignOperator *CAO) {
VisitBinaryOperator(CAO);
JOS.attribute("computeLHSType", createQualType(CAO->getComputationLHSType()));
JOS.attribute("computeResultType",
createQualType(CAO->getComputationResultType()));
}
void JSONNodeDumper::VisitMemberExpr(const MemberExpr *ME) {
// Note, we always write this Boolean field because the information it conveys
// is critical to understanding the AST node.
ValueDecl *VD = ME->getMemberDecl();
JOS.attribute("name", VD && VD->getDeclName() ? VD->getNameAsString() : "");
JOS.attribute("isArrow", ME->isArrow());
JOS.attribute("referencedMemberDecl", createPointerRepresentation(VD));
switch (ME->isNonOdrUse()) {
case NOUR_None: break;
case NOUR_Unevaluated: JOS.attribute("nonOdrUseReason", "unevaluated"); break;
case NOUR_Constant: JOS.attribute("nonOdrUseReason", "constant"); break;
case NOUR_Discarded: JOS.attribute("nonOdrUseReason", "discarded"); break;
}
}
void JSONNodeDumper::VisitCXXNewExpr(const CXXNewExpr *NE) {
attributeOnlyIfTrue("isGlobal", NE->isGlobalNew());
attributeOnlyIfTrue("isArray", NE->isArray());
attributeOnlyIfTrue("isPlacement", NE->getNumPlacementArgs() != 0);
switch (NE->getInitializationStyle()) {
case CXXNewExpr::NoInit: break;
case CXXNewExpr::CallInit: JOS.attribute("initStyle", "call"); break;
case CXXNewExpr::ListInit: JOS.attribute("initStyle", "list"); break;
}
if (const FunctionDecl *FD = NE->getOperatorNew())
JOS.attribute("operatorNewDecl", createBareDeclRef(FD));
if (const FunctionDecl *FD = NE->getOperatorDelete())
JOS.attribute("operatorDeleteDecl", createBareDeclRef(FD));
}
void JSONNodeDumper::VisitCXXDeleteExpr(const CXXDeleteExpr *DE) {
attributeOnlyIfTrue("isGlobal", DE->isGlobalDelete());
attributeOnlyIfTrue("isArray", DE->isArrayForm());
attributeOnlyIfTrue("isArrayAsWritten", DE->isArrayFormAsWritten());
if (const FunctionDecl *FD = DE->getOperatorDelete())
JOS.attribute("operatorDeleteDecl", createBareDeclRef(FD));
}
void JSONNodeDumper::VisitCXXThisExpr(const CXXThisExpr *TE) {
attributeOnlyIfTrue("implicit", TE->isImplicit());
}
void JSONNodeDumper::VisitCastExpr(const CastExpr *CE) {
JOS.attribute("castKind", CE->getCastKindName());
llvm::json::Array Path = createCastPath(CE);
if (!Path.empty())
JOS.attribute("path", std::move(Path));
// FIXME: This may not be useful information as it can be obtusely gleaned
// from the inner[] array.
if (const NamedDecl *ND = CE->getConversionFunction())
JOS.attribute("conversionFunc", createBareDeclRef(ND));
}
void JSONNodeDumper::VisitImplicitCastExpr(const ImplicitCastExpr *ICE) {
VisitCastExpr(ICE);
attributeOnlyIfTrue("isPartOfExplicitCast", ICE->isPartOfExplicitCast());
}
void JSONNodeDumper::VisitCallExpr(const CallExpr *CE) {
attributeOnlyIfTrue("adl", CE->usesADL());
}
void JSONNodeDumper::VisitUnaryExprOrTypeTraitExpr(
const UnaryExprOrTypeTraitExpr *TTE) {
switch (TTE->getKind()) {
case UETT_SizeOf: JOS.attribute("name", "sizeof"); break;
case UETT_AlignOf: JOS.attribute("name", "alignof"); break;
case UETT_VecStep: JOS.attribute("name", "vec_step"); break;
case UETT_PreferredAlignOf: JOS.attribute("name", "__alignof"); break;
case UETT_OpenMPRequiredSimdAlign:
JOS.attribute("name", "__builtin_omp_required_simd_align"); break;
}
if (TTE->isArgumentType())
JOS.attribute("argType", createQualType(TTE->getArgumentType()));
}
void JSONNodeDumper::VisitSizeOfPackExpr(const SizeOfPackExpr *SOPE) {
VisitNamedDecl(SOPE->getPack());
}
void JSONNodeDumper::VisitUnresolvedLookupExpr(
const UnresolvedLookupExpr *ULE) {
JOS.attribute("usesADL", ULE->requiresADL());
JOS.attribute("name", ULE->getName().getAsString());
JOS.attributeArray("lookups", [this, ULE] {
for (const NamedDecl *D : ULE->decls())
JOS.value(createBareDeclRef(D));
});
}
void JSONNodeDumper::VisitAddrLabelExpr(const AddrLabelExpr *ALE) {
JOS.attribute("name", ALE->getLabel()->getName());
JOS.attribute("labelDeclId", createPointerRepresentation(ALE->getLabel()));
}
void JSONNodeDumper::VisitCXXTypeidExpr(const CXXTypeidExpr *CTE) {
if (CTE->isTypeOperand()) {
QualType Adjusted = CTE->getTypeOperand(Ctx);
QualType Unadjusted = CTE->getTypeOperandSourceInfo()->getType();
JOS.attribute("typeArg", createQualType(Unadjusted));
if (Adjusted != Unadjusted)
JOS.attribute("adjustedTypeArg", createQualType(Adjusted));
}
}
void JSONNodeDumper::VisitConstantExpr(const ConstantExpr *CE) {
if (CE->getResultAPValueKind() != APValue::None) {
std::string Str;
llvm::raw_string_ostream OS(Str);
CE->getAPValueResult().printPretty(OS, Ctx, CE->getType());
JOS.attribute("value", OS.str());
}
}
void JSONNodeDumper::VisitInitListExpr(const InitListExpr *ILE) {
if (const FieldDecl *FD = ILE->getInitializedFieldInUnion())
JOS.attribute("field", createBareDeclRef(FD));
}
void JSONNodeDumper::VisitGenericSelectionExpr(
const GenericSelectionExpr *GSE) {
attributeOnlyIfTrue("resultDependent", GSE->isResultDependent());
}
void JSONNodeDumper::VisitCXXUnresolvedConstructExpr(
const CXXUnresolvedConstructExpr *UCE) {
if (UCE->getType() != UCE->getTypeAsWritten())
JOS.attribute("typeAsWritten", createQualType(UCE->getTypeAsWritten()));
attributeOnlyIfTrue("list", UCE->isListInitialization());
}
void JSONNodeDumper::VisitCXXConstructExpr(const CXXConstructExpr *CE) {
CXXConstructorDecl *Ctor = CE->getConstructor();
JOS.attribute("ctorType", createQualType(Ctor->getType()));
attributeOnlyIfTrue("elidable", CE->isElidable());
attributeOnlyIfTrue("list", CE->isListInitialization());
attributeOnlyIfTrue("initializer_list", CE->isStdInitListInitialization());
attributeOnlyIfTrue("zeroing", CE->requiresZeroInitialization());
attributeOnlyIfTrue("hadMultipleCandidates", CE->hadMultipleCandidates());
switch (CE->getConstructionKind()) {
case CXXConstructExpr::CK_Complete:
JOS.attribute("constructionKind", "complete");
break;
case CXXConstructExpr::CK_Delegating:
JOS.attribute("constructionKind", "delegating");
break;
case CXXConstructExpr::CK_NonVirtualBase:
JOS.attribute("constructionKind", "non-virtual base");
break;
case CXXConstructExpr::CK_VirtualBase:
JOS.attribute("constructionKind", "virtual base");
break;
}
}
void JSONNodeDumper::VisitExprWithCleanups(const ExprWithCleanups *EWC) {
attributeOnlyIfTrue("cleanupsHaveSideEffects",
EWC->cleanupsHaveSideEffects());
if (EWC->getNumObjects()) {
JOS.attributeArray("cleanups", [this, EWC] {
for (const ExprWithCleanups::CleanupObject &CO : EWC->getObjects())
if (auto *BD = CO.dyn_cast<BlockDecl *>()) {
JOS.value(createBareDeclRef(BD));
} else if (auto *CLE = CO.dyn_cast<CompoundLiteralExpr *>()) {
llvm::json::Object Obj;
Obj["id"] = createPointerRepresentation(CLE);
Obj["kind"] = CLE->getStmtClassName();
JOS.value(std::move(Obj));
} else {
llvm_unreachable("unexpected cleanup object type");
}
});
}
}
void JSONNodeDumper::VisitCXXBindTemporaryExpr(
const CXXBindTemporaryExpr *BTE) {
const CXXTemporary *Temp = BTE->getTemporary();
JOS.attribute("temp", createPointerRepresentation(Temp));
if (const CXXDestructorDecl *Dtor = Temp->getDestructor())
JOS.attribute("dtor", createBareDeclRef(Dtor));
}
void JSONNodeDumper::VisitMaterializeTemporaryExpr(
const MaterializeTemporaryExpr *MTE) {
if (const ValueDecl *VD = MTE->getExtendingDecl())
JOS.attribute("extendingDecl", createBareDeclRef(VD));
switch (MTE->getStorageDuration()) {
case SD_Automatic:
JOS.attribute("storageDuration", "automatic");
break;
case SD_Dynamic:
JOS.attribute("storageDuration", "dynamic");
break;
case SD_FullExpression:
JOS.attribute("storageDuration", "full expression");
break;
case SD_Static:
JOS.attribute("storageDuration", "static");
break;
case SD_Thread:
JOS.attribute("storageDuration", "thread");
break;
}
attributeOnlyIfTrue("boundToLValueRef", MTE->isBoundToLvalueReference());
}
void JSONNodeDumper::VisitCXXDependentScopeMemberExpr(
const CXXDependentScopeMemberExpr *DSME) {
JOS.attribute("isArrow", DSME->isArrow());
JOS.attribute("member", DSME->getMember().getAsString());
attributeOnlyIfTrue("hasTemplateKeyword", DSME->hasTemplateKeyword());
attributeOnlyIfTrue("hasExplicitTemplateArgs",
DSME->hasExplicitTemplateArgs());
if (DSME->getNumTemplateArgs()) {
JOS.attributeArray("explicitTemplateArgs", [DSME, this] {
for (const TemplateArgumentLoc &TAL : DSME->template_arguments())
JOS.object(
[&TAL, this] { Visit(TAL.getArgument(), TAL.getSourceRange()); });
});
}
}
void JSONNodeDumper::VisitIntegerLiteral(const IntegerLiteral *IL) {
JOS.attribute("value",
IL->getValue().toString(
/*Radix=*/10, IL->getType()->isSignedIntegerType()));
}
void JSONNodeDumper::VisitCharacterLiteral(const CharacterLiteral *CL) {
// FIXME: This should probably print the character literal as a string,
// rather than as a numerical value. It would be nice if the behavior matched
// what we do to print a string literal; right now, it is impossible to tell
// the difference between 'a' and L'a' in C from the JSON output.
JOS.attribute("value", CL->getValue());
}
void JSONNodeDumper::VisitFixedPointLiteral(const FixedPointLiteral *FPL) {
JOS.attribute("value", FPL->getValueAsString(/*Radix=*/10));
}
void JSONNodeDumper::VisitFloatingLiteral(const FloatingLiteral *FL) {
llvm::SmallVector<char, 16> Buffer;
FL->getValue().toString(Buffer);
JOS.attribute("value", Buffer);
}
void JSONNodeDumper::VisitStringLiteral(const StringLiteral *SL) {
std::string Buffer;
llvm::raw_string_ostream SS(Buffer);
SL->outputString(SS);
JOS.attribute("value", SS.str());
}
void JSONNodeDumper::VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *BLE) {
JOS.attribute("value", BLE->getValue());
}
void JSONNodeDumper::VisitIfStmt(const IfStmt *IS) {
attributeOnlyIfTrue("hasInit", IS->hasInitStorage());
attributeOnlyIfTrue("hasVar", IS->hasVarStorage());
attributeOnlyIfTrue("hasElse", IS->hasElseStorage());
attributeOnlyIfTrue("isConstexpr", IS->isConstexpr());
}
void JSONNodeDumper::VisitSwitchStmt(const SwitchStmt *SS) {
attributeOnlyIfTrue("hasInit", SS->hasInitStorage());
attributeOnlyIfTrue("hasVar", SS->hasVarStorage());
}
void JSONNodeDumper::VisitCaseStmt(const CaseStmt *CS) {
attributeOnlyIfTrue("isGNURange", CS->caseStmtIsGNURange());
}
void JSONNodeDumper::VisitLabelStmt(const LabelStmt *LS) {
JOS.attribute("name", LS->getName());
JOS.attribute("declId", createPointerRepresentation(LS->getDecl()));
}
void JSONNodeDumper::VisitGotoStmt(const GotoStmt *GS) {
JOS.attribute("targetLabelDeclId",
createPointerRepresentation(GS->getLabel()));
}
void JSONNodeDumper::VisitWhileStmt(const WhileStmt *WS) {
attributeOnlyIfTrue("hasVar", WS->hasVarStorage());
}
void JSONNodeDumper::VisitObjCAtCatchStmt(const ObjCAtCatchStmt* OACS) {
// FIXME: it would be nice for the ASTNodeTraverser would handle the catch
// parameter the same way for C++ and ObjC rather. In this case, C++ gets a
// null child node and ObjC gets no child node.
attributeOnlyIfTrue("isCatchAll", OACS->getCatchParamDecl() == nullptr);
}
void JSONNodeDumper::VisitNullTemplateArgument(const TemplateArgument &TA) {
JOS.attribute("isNull", true);
}
void JSONNodeDumper::VisitTypeTemplateArgument(const TemplateArgument &TA) {
JOS.attribute("type", createQualType(TA.getAsType()));
}
void JSONNodeDumper::VisitDeclarationTemplateArgument(
const TemplateArgument &TA) {
JOS.attribute("decl", createBareDeclRef(TA.getAsDecl()));
}
void JSONNodeDumper::VisitNullPtrTemplateArgument(const TemplateArgument &TA) {
JOS.attribute("isNullptr", true);
}
void JSONNodeDumper::VisitIntegralTemplateArgument(const TemplateArgument &TA) {
JOS.attribute("value", TA.getAsIntegral().getSExtValue());
}
void JSONNodeDumper::VisitTemplateTemplateArgument(const TemplateArgument &TA) {
// FIXME: cannot just call dump() on the argument, as that doesn't specify
// the output format.
}
void JSONNodeDumper::VisitTemplateExpansionTemplateArgument(
const TemplateArgument &TA) {
// FIXME: cannot just call dump() on the argument, as that doesn't specify
// the output format.
}
void JSONNodeDumper::VisitExpressionTemplateArgument(
const TemplateArgument &TA) {
JOS.attribute("isExpr", true);
}
void JSONNodeDumper::VisitPackTemplateArgument(const TemplateArgument &TA) {
JOS.attribute("isPack", true);
}
StringRef JSONNodeDumper::getCommentCommandName(unsigned CommandID) const {
if (Traits)
return Traits->getCommandInfo(CommandID)->Name;
if (const comments::CommandInfo *Info =
comments::CommandTraits::getBuiltinCommandInfo(CommandID))
return Info->Name;
return "<invalid>";
}
void JSONNodeDumper::visitTextComment(const comments::TextComment *C,
const comments::FullComment *) {
JOS.attribute("text", C->getText());
}
void JSONNodeDumper::visitInlineCommandComment(
const comments::InlineCommandComment *C, const comments::FullComment *) {
JOS.attribute("name", getCommentCommandName(C->getCommandID()));
switch (C->getRenderKind()) {
case comments::InlineCommandComment::RenderNormal:
JOS.attribute("renderKind", "normal");
break;
case comments::InlineCommandComment::RenderBold:
JOS.attribute("renderKind", "bold");
break;
case comments::InlineCommandComment::RenderEmphasized:
JOS.attribute("renderKind", "emphasized");
break;
case comments::InlineCommandComment::RenderMonospaced:
JOS.attribute("renderKind", "monospaced");
break;
case comments::InlineCommandComment::RenderAnchor:
JOS.attribute("renderKind", "anchor");
break;
}
llvm::json::Array Args;
for (unsigned I = 0, E = C->getNumArgs(); I < E; ++I)
Args.push_back(C->getArgText(I));
if (!Args.empty())
JOS.attribute("args", std::move(Args));
}
void JSONNodeDumper::visitHTMLStartTagComment(
const comments::HTMLStartTagComment *C, const comments::FullComment *) {
JOS.attribute("name", C->getTagName());
attributeOnlyIfTrue("selfClosing", C->isSelfClosing());
attributeOnlyIfTrue("malformed", C->isMalformed());
llvm::json::Array Attrs;
for (unsigned I = 0, E = C->getNumAttrs(); I < E; ++I)
Attrs.push_back(
{{"name", C->getAttr(I).Name}, {"value", C->getAttr(I).Value}});
if (!Attrs.empty())
JOS.attribute("attrs", std::move(Attrs));
}
void JSONNodeDumper::visitHTMLEndTagComment(
const comments::HTMLEndTagComment *C, const comments::FullComment *) {
JOS.attribute("name", C->getTagName());
}
void JSONNodeDumper::visitBlockCommandComment(
const comments::BlockCommandComment *C, const comments::FullComment *) {
JOS.attribute("name", getCommentCommandName(C->getCommandID()));
llvm::json::Array Args;
for (unsigned I = 0, E = C->getNumArgs(); I < E; ++I)
Args.push_back(C->getArgText(I));
if (!Args.empty())
JOS.attribute("args", std::move(Args));
}
void JSONNodeDumper::visitParamCommandComment(
const comments::ParamCommandComment *C, const comments::FullComment *FC) {
switch (C->getDirection()) {
case comments::ParamCommandComment::In:
JOS.attribute("direction", "in");
break;
case comments::ParamCommandComment::Out:
JOS.attribute("direction", "out");
break;
case comments::ParamCommandComment::InOut:
JOS.attribute("direction", "in,out");
break;
}
attributeOnlyIfTrue("explicit", C->isDirectionExplicit());
if (C->hasParamName())
JOS.attribute("param", C->isParamIndexValid() ? C->getParamName(FC)
: C->getParamNameAsWritten());
if (C->isParamIndexValid() && !C->isVarArgParam())
JOS.attribute("paramIdx", C->getParamIndex());
}
void JSONNodeDumper::visitTParamCommandComment(
const comments::TParamCommandComment *C, const comments::FullComment *FC) {
if (C->hasParamName())
JOS.attribute("param", C->isPositionValid() ? C->getParamName(FC)
: C->getParamNameAsWritten());
if (C->isPositionValid()) {
llvm::json::Array Positions;
for (unsigned I = 0, E = C->getDepth(); I < E; ++I)
Positions.push_back(C->getIndex(I));
if (!Positions.empty())
JOS.attribute("positions", std::move(Positions));
}
}
void JSONNodeDumper::visitVerbatimBlockComment(
const comments::VerbatimBlockComment *C, const comments::FullComment *) {
JOS.attribute("name", getCommentCommandName(C->getCommandID()));
JOS.attribute("closeName", C->getCloseName());
}
void JSONNodeDumper::visitVerbatimBlockLineComment(
const comments::VerbatimBlockLineComment *C,
const comments::FullComment *) {
JOS.attribute("text", C->getText());
}
void JSONNodeDumper::visitVerbatimLineComment(
const comments::VerbatimLineComment *C, const comments::FullComment *) {
JOS.attribute("text", C->getText());
}
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