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Showing content from https://clang.llvm.org/doxygen/Visitor_8cpp_source.html below:

clang: lib/InstallAPI/Visitor.cpp Source File

CXXLinkage {

LV =

->getLinkageAndVisibility();

HasInlineAttribute =

;

(!

->getASTContext().getLangOpts().CPlusPlus &&

!

->getASTContext().getTargetInfo().getCXXABI().isMicrosoft() &&

!

->hasAttr<DLLExportAttr>());

(

*RD :

->redecls()) {

HasInlineAttribute =

;

(!(NoCXXAttr || RD->hasAttr<GNUInlineAttr>()))

(RD->doesThisDeclarationHaveABody() &&

RD->isInlineDefinitionExternallyVisible())

(!HasInlineAttribute)

|= SymbolFlags::WeakDefined;

|= SymbolFlags::ThreadLocalValue;

std::string InstallAPIVisitor::getMangledName(

*

)

{

(MC->shouldMangleDeclName(

)) {

raw_svector_ostream NStream(Name);

MC->mangleName(

, NStream);

Name +=

->getNameAsString();

getBackendMangledName(Name);

std::string InstallAPIVisitor::getBackendMangledName(Twine Name)

{

Mangler::getNameWithPrefix(FinalName, Name, DataLayout(Layout));

std::string(FinalName);

std::optional<HeaderType>

InstallAPIVisitor::getAccessForDecl(

NamedDecl *

)

{

SourceLocation

=

->getLocation();

(

.isInvalid())

(

.isInvalid())

(!Header.has_value())

(;

!=

;

=

->getSuperClass())

(

->hasAttr<ObjCExceptionAttr>())

InstallAPIVisitor::recordObjCInstanceVariables(

llvm::iterator_range<

= RecordLinkage::Unknown;

(ContainerLinkage != RecordLinkage::Unknown)

(

*IV : Ivars) {

Access = getAccessForDecl(IV);

StringRef Name = IV->getName();

AC = IV->getCanonicalAccessControl();

Ctx.

->verify(ObjCIVR, FA, SuperClass);

(!

->isThisDeclarationADefinition())

Access = getAccessForDecl(

);

StringRef Name =

->getObjCRuntimeNameAsString();

(

) ? RecordLinkage::Exported : RecordLinkage::Internal;

IsEHType =

(!

->getASTContext().getLangOpts().ObjCRuntime.isFragile() &&

Ctx.

->addObjCInterface(Name,

, Avail,

, *Access, IsEHType);

StringRef SuperClassName;

(

*SuperClass =

->getSuperClass())

SuperClassName = SuperClass->getObjCRuntimeNameAsString();

recordObjCInstanceVariables(

->getASTContext(),

,

->getName(),

StringRef CategoryName =

->getName();

Access = getAccessForDecl(

);

StringRef InterfaceName = InterfaceD->

();

Ctx.

->addObjCCategory(InterfaceName, CategoryName, Avail,

, *Access)

recordObjCInstanceVariables(

->getASTContext(), CategoryRecord, InterfaceName,

(isa<ParmVarDecl>(

))

(

->getDeclContext()->isRecord())

(!

->isDefinedOutsideFunctionOrMethod())

(

->getASTContext().getTemplateOrSpecializationInfo(

) &&

Access = getAccessForDecl(

);

(

) ? RecordLinkage::Exported : RecordLinkage::Internal;

WeakDef =

->hasAttr<WeakAttr>();

[GR, FA] = Ctx.

->addGlobal(getMangledName(

),

,

GlobalRecord::Kind::Variable, Avail,

,

*Access,

(WeakDef, ThreadLocal));

(M->getParent()->getDescribedClassTemplate() !=

)

(

&

:

->getASTContext().getParents(*M)) {

(isa<CXXConstructorDecl>(M) || isa<CXXDestructorDecl>(M))

(

->getTemplatedKind()) {

(

*TempInfo =

->getTemplateSpecializationInfo()) {

(!TempInfo->isExplicitInstantiationOrSpecialization())

Access = getAccessForDecl(

);

Name = getMangledName(

);

ExplicitInstantiation =

->getTemplateSpecializationKind() ==

WeakDef = ExplicitInstantiation ||

->hasAttr<WeakAttr>();

? RecordLinkage::Internal

: RecordLinkage::Exported;

Ctx.

->addGlobal(Name,

, GlobalRecord::Kind::Function, Avail,

, *Access,

(WeakDef), Inlined);

(!

->hasDefinition() || !

->isDynamicClass())

assert(

->isExternallyVisible() &&

);

assert(

->isCompleteDefinition() &&

);

->getASTContext().getCurrentKeyFunction(

);

);

}

(

->isAbstract()) {

(

->getTemplateSpecializationKind()) {

llvm_unreachable(

);

assert((

->hasDefinition() &&

->isDynamicClass()) &&

);

assert(

->isExternallyVisible() &&

);

CXXLinkage::PrivateLinkage;

->getASTContext().getCurrentKeyFunction(

);

CXXLinkage::LinkOnceODRLinkage;

CXXLinkage::ExternalLinkage;

llvm_unreachable(

);

CXXLinkage::WeakODRLinkage;

);

(

->getTemplateSpecializationKind()) {

CXXLinkage::LinkOnceODRLinkage;

CXXLinkage::WeakODRLinkage;

llvm_unreachable(

);

(

->hasAttr<WeakAttr>())

(

->isAbstract() &&

->getASTContext().getCurrentKeyFunction(

) ==

)

(

->isDynamicClass())

(!

->getASTContext().getLangOpts().RTTI)

(!

->hasDefinition())

(!

->isDynamicClass())

InstallAPIVisitor::getMangledCXXRTTIName(

*

)

{

raw_svector_ostream NameStream(Name);

MC->mangleCXXRTTIName(

(

->getTypeForDecl(), 0), NameStream);

getBackendMangledName(Name);

std::string InstallAPIVisitor::getMangledCXXRTTI(

CXXRecordDecl *

)

{

raw_svector_ostream NameStream(Name);

MC->mangleCXXRTTI(QualType(

->getTypeForDecl(), 0), NameStream);

getBackendMangledName(Name);

InstallAPIVisitor::getMangledCXXVTableName(

CXXRecordDecl *

)

{

raw_svector_ostream NameStream(Name);

MC->mangleCXXVTable(

, NameStream);

getBackendMangledName(Name);

std::string InstallAPIVisitor::getMangledCXXThunk(

GlobalDecl &

,

ThunkInfo &Thunk,

ElideOverrideInfo)

{

raw_svector_ostream NameStream(Name);

*Method = cast<CXXMethodDecl>(

.getDecl());

(

*Dtor = dyn_cast<CXXDestructorDecl>(Method))

MC->mangleCXXDtorThunk(Dtor,

.getDtorType(), Thunk, ElideOverrideInfo,

MC->mangleThunk(Method, Thunk, ElideOverrideInfo, NameStream);

getBackendMangledName(Name);

std::string InstallAPIVisitor::getMangledCtorDtor(

CXXMethodDecl *

,

raw_svector_ostream NameStream(Name);

(

*Ctor = dyn_cast<CXXConstructorDecl>(

))

*Dtor = cast<CXXDestructorDecl>(

);

MC->mangleName(GD, NameStream);

getBackendMangledName(Name);

InstallAPIVisitor::emitVTableSymbols(

CXXRecordDecl *

,

AvailabilityInfo &Avail,

EmittedVTable) {

EmittedVTable =

;

(VTableLinkage == CXXLinkage::ExternalLinkage ||

VTableLinkage == CXXLinkage::WeakODRLinkage) {

std::string Name = getMangledCXXVTableName(

);

WeakDef = VTableLinkage == CXXLinkage::WeakODRLinkage;

[GR, FA] = Ctx.

->addGlobal(Name, RecordLinkage::Exported,

GlobalRecord::Kind::Variable, Avail,

(!

->getDescribedClassTemplate() && !

->isInvalidDecl()) {

VTableContextBase *VTable =

->getASTContext().getVTableContext();

AddThunk = [&](GlobalDecl GD) {

VTable->getThunkInfo(GD);

(

&Thunk : *Thunks) {

std::string Name =

getMangledCXXThunk(GD, Thunk,

);

[GR, FA] = Ctx.

->addGlobal(Name, RecordLinkage::Exported,

GlobalRecord::Kind::Function,

Avail, GD.getDecl(), Access);

(

*Method :

->methods()) {

(isa<CXXConstructorDecl>(Method) || !Method->isVirtual())

(

Dtor = dyn_cast<CXXDestructorDecl>(Method)) {

(Dtor->isDefaulted())

std::string Name = getMangledCXXRTTI(

);

Ctx.

->addGlobal(Name, RecordLinkage::Exported,

GlobalRecord::Kind::Variable, Avail,

, Access);

Name = getMangledCXXRTTIName(

);

[NamedGR, NamedFA] =

Ctx.

->addGlobal(Name, RecordLinkage::Exported,

GlobalRecord::Kind::Variable, Avail,

, Access);

Ctx.

->verify(NamedGR, NamedFA);

(

&It :

->bases()) {

CXXRecordDecl *

=

cast<CXXRecordDecl>(It.getType()->castAs<RecordType>()->getDecl());

BaseAccess = getAccessForDecl(

);

emitVTableSymbols(

, BaseAvail, *BaseAccess,

);

(!

->isCompleteDefinition())

(

->getDescribedClassTemplate() !=

)

(isa<ClassTemplatePartialSpecializationDecl>(

))

Access = getAccessForDecl(

);

emitVTableSymbols(

, Avail, *Access);

KeepInlineAsWeak =

;

(

*Templ = dyn_cast<ClassTemplateSpecializationDecl>(

)) {

ClassSK = Templ->getTemplateSpecializationKind();

KeepInlineAsWeak =

;

(

*M :

->methods()) {

WeakDef =

;

(!KeepInlineAsWeak)

(M->getTemplateSpecializationKind()) {

(!M->isUserProvided())

Access = getAccessForDecl(M);

(

*Ctor = dyn_cast<CXXConstructorDecl>(M)) {

(Ctor->isDefaulted())

std::string Name = getMangledCtorDtor(M,

);

[GR, FA] = Ctx.

->addGlobal(Name, RecordLinkage::Exported,

GlobalRecord::Kind::Function, Avail,

(!

->isAbstract()) {

[GR, FA] = Ctx.

->addGlobal(

Name, RecordLinkage::Exported, GlobalRecord::Kind::Function, Avail,

(

*Dtor = dyn_cast<CXXDestructorDecl>(M)) {

(Dtor->isDefaulted())

std::string Name = getMangledCtorDtor(M,

);

[GR, FA] = Ctx.

->addGlobal(Name, RecordLinkage::Exported,

GlobalRecord::Kind::Function, Avail,

[CompleteGR, CompleteFA] = Ctx.

->addGlobal(

Name, RecordLinkage::Exported, GlobalRecord::Kind::Function, Avail,

,

Ctx.

->verify(CompleteGR, CompleteFA);

(Dtor->isVirtual()) {

[VirtualGR, VirtualFA] = Ctx.

->addGlobal(

Name, RecordLinkage::Exported, GlobalRecord::Kind::Function, Avail,

Ctx.

->verify(VirtualGR, VirtualFA);

(M->isPureVirtual())

std::string Name = getMangledName(M);

[GR, FA] = Ctx.

->addGlobal(Name, RecordLinkage::Exported,

GlobalRecord::Kind::Function, Avail, M,

(

*Templ = dyn_cast<ClassTemplateSpecializationDecl>(

)) {

(!Templ->isExplicitInstantiationOrSpecialization())

var_range = iterator_range<var_iter>;

(

*Var : var_range(

->decls())) {

(Var->isStaticDataMember() && Var->hasInit())

std::string Name = getMangledName(Var);

Access = getAccessForDecl(Var);

WeakDef = Var->hasAttr<WeakAttr>() || KeepInlineAsWeak;

[GR, FA] = Ctx.

->addGlobal(Name, RecordLinkage::Exported,

GlobalRecord::Kind::Variable, Avail,

,

llvm::MachO::SymbolFlags SymbolFlags

llvm::MachO::ObjCCategoryRecord ObjCCategoryRecord

llvm::MachO::RecordLinkage RecordLinkage

llvm::MachO::Record Record

llvm::MachO::ObjCContainerRecord ObjCContainerRecord

Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...

TranslationUnitDecl * getTranslationUnitDecl() const

const LangOptions & getLangOpts() const

DiagnosticsEngine & getDiagnostics() const

Represents a static or instance method of a struct/union/class.

Represents a C++ struct/union/class.

specific_decl_iterator - Iterates over a subrange of declarations stored in a DeclContext,...

bool hasErrorOccurred() const

A dynamically typed AST node container.

Represents a function declaration or definition.

@ TK_MemberSpecialization

@ TK_DependentNonTemplate

@ TK_FunctionTemplateSpecialization

@ TK_DependentFunctionTemplateSpecialization

TemplateSpecializationKind getTemplateSpecializationKind() const

Determine what kind of template instantiation this function represents.

clang::ObjCRuntime ObjCRuntime

This represents a decl that may have a name.

StringRef getName() const

Get the name of identifier for this declaration as a StringRef.

ObjCCategoryDecl - Represents a category declaration.

Represents an ObjC class declaration.

bool isFragile() const

The inverse of isNonFragile(): does this runtime follow the set of implied behaviors for a "fragile" ...

A (possibly-)qualified type.

bool TraverseDecl(Decl *D)

Recursively visit a declaration, by dispatching to Traverse*Decl() based on the argument's dynamic ty...

FileID getFileID(SourceLocation SpellingLoc) const

Return the FileID for a SourceLocation.

SourceLocation getFileLoc(SourceLocation Loc) const

Given Loc, if it is a macro location return the expansion location or the spelling location,...

const FileEntry * getFileEntryForID(FileID FID) const

Returns the FileEntry record for the provided FileID.

SmallVector< ThunkInfo, 1 > ThunkInfoVectorTy

Represents a variable declaration or definition.

@ TLS_None

Not a TLS variable.

void HandleTranslationUnit(ASTContext &ASTCtx) override

HandleTranslationUnit - This method is called when the ASTs for entire translation unit have been par...

bool VisitCXXRecordDecl(const CXXRecordDecl *D)

Collect global c++ declarations.

bool VisitFunctionDecl(const FunctionDecl *D)

Collect global functions.

bool VisitVarDecl(const VarDecl *D)

Collect global variables.

bool VisitObjCCategoryDecl(const ObjCCategoryDecl *D)

Collect Objective-C Category/Extension declarations.

bool VisitObjCInterfaceDecl(const ObjCInterfaceDecl *D)

Collect Objective-C Interface declarations.

Defines the Linkage enumeration and various utility functions.

The DirectoryScanner for collecting library files on the file system.

static bool isInlined(const FunctionDecl *D)

static CXXLinkage getVTableLinkage(const CXXRecordDecl *D)

@ Unknown

Unset or unknown type.

static bool hasObjCExceptionAttribute(const ObjCInterfaceDecl *D)

Check if the interface itself or any of its super classes have an exception attribute.

static bool hasVTable(const CXXRecordDecl *D)

static bool isRTTIWeakDef(const CXXRecordDecl *D)

static bool hasRTTI(const CXXRecordDecl *D)

static SymbolFlags getFlags(bool WeakDef, bool ThreadLocal=false)

static bool isExported(const NamedDecl *D)

CXXCtorType

C++ constructor types.

@ Ctor_Base

Base object ctor.

@ Ctor_Complete

Complete object ctor.

Linkage

Describes the different kinds of linkage (C++ [basic.link], C99 6.2.2) that an entity may have.

@ Result

The result type of a method or function.

CXXDtorType

C++ destructor types.

@ Dtor_Base

Base object dtor.

@ Dtor_Complete

Complete object dtor.

@ Dtor_Deleting

Deleting dtor.

TemplateSpecializationKind

Describes the kind of template specialization that a particular template specialization declaration r...

@ TSK_ExplicitInstantiationDefinition

This template specialization was instantiated from a template due to an explicit instantiation defini...

@ TSK_ExplicitInstantiationDeclaration

This template specialization was instantiated from a template due to an explicit instantiation declar...

@ TSK_ExplicitSpecialization

This template specialization was declared or defined by an explicit specialization (C++ [temp....

@ TSK_ImplicitInstantiation

This template specialization was implicitly instantiated from a template.

@ TSK_Undeclared

This template specialization was formed from a template-id but has not yet been declared,...

@ Class

The "class" keyword introduces the elaborated-type-specifier.

bool isExternallyVisible(Linkage L)

@ HiddenVisibility

Objects with "hidden" visibility are not seen by the dynamic linker.

@ DefaultVisibility

Objects with "default" visibility are seen by the dynamic linker and act like normal objects.

Diagnostic wrappers for TextAPI types for error reporting.

Storage of availability attributes for a declaration.

static AvailabilityInfo createFromDecl(const Decl *Decl)

std::optional< HeaderType > findAndRecordFile(const FileEntry *FE, const Preprocessor &PP)

Record visited files during frontend actions to determine whether to include their declarations for T...

std::shared_ptr< FrontendRecordsSlice > Slice

Active TargetSlice for symbol record collection.

std::unique_ptr< DylibVerifier > Verifier

Verifier when binary dylib is passed as input.

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