Showing content from https://clang.llvm.org/doxygen/classclang_1_1FriendDecl.html below:
clang: clang::FriendDecl Class Reference
FriendDecl - Represents the declaration of a friend entity, which can be a function, a type, or a templated function or type. More...
#include "clang/AST/DeclFriend.h"
using FriendUnion = llvm::PointerUnion< NamedDecl *, TypeSourceInfo * > enum Kind Lists the kind of concrete classes of Decl. More...
enum IdentifierNamespace {
IDNS_Label = 0x0001 , IDNS_Tag = 0x0002 , IDNS_Type = 0x0004 , IDNS_Member = 0x0008 ,
IDNS_Namespace = 0x0010 , IDNS_Ordinary = 0x0020 , IDNS_ObjCProtocol = 0x0040 , IDNS_OrdinaryFriend = 0x0080 ,
IDNS_TagFriend = 0x0100 , IDNS_Using = 0x0200 , IDNS_NonMemberOperator = 0x0400 , IDNS_LocalExtern = 0x0800 ,
IDNS_OMPReduction = 0x1000 , IDNS_OMPMapper = 0x2000
} IdentifierNamespace - The different namespaces in which declarations may appear. More...
enum ObjCDeclQualifier {
OBJC_TQ_None = 0x0 , OBJC_TQ_In = 0x1 , OBJC_TQ_Inout = 0x2 , OBJC_TQ_Out = 0x4 ,
OBJC_TQ_Bycopy = 0x8 , OBJC_TQ_Byref = 0x10 , OBJC_TQ_Oneway = 0x20 , OBJC_TQ_CSNullability = 0x40
} ObjCDeclQualifier - 'Qualifiers' written next to the return and parameter types in method declarations. More...
enum class ModuleOwnershipKind : unsigned char {
Unowned , Visible , VisibleWhenImported , ReachableWhenImported ,
ModulePrivate
} The kind of ownership a declaration has, for visibility purposes. More...
enum FriendObjectKind { FOK_None , FOK_Declared , FOK_Undeclared } using attr_iterator = AttrVec::const_iterator using attr_range = llvm::iterator_range< attr_iterator > using redecl_range = llvm::iterator_range< redecl_iterator > TypeSourceInfo * getFriendType () const If this friend declaration names an (untemplated but possibly dependent) type, return the type; otherwise return null.
unsigned getFriendTypeNumTemplateParameterLists () const TemplateParameterList * getFriendTypeTemplateParameterList (unsigned N) const NamedDecl * getFriendDecl () const If this friend declaration doesn't name a type, return the inner declaration.
SourceLocation getFriendLoc () const Retrieves the location of the 'friend' keyword.
SourceLocation getEllipsisLoc () const Retrieves the location of the '...', if present.
SourceRange getSourceRange () const override LLVM_READONLY Retrieves the source range for the friend declaration.
bool isUnsupportedFriend () const Determines if this friend kind is unsupported.
void setUnsupportedFriend (bool Unsupported) bool isPackExpansion () const Decl ()=delete Decl (const Decl &)=delete Decl (Decl &&)=delete Decl & operator= (const Decl &)=delete Decl & operator= (Decl &&)=delete virtual SourceRange getSourceRange () const LLVM_READONLY Source range that this declaration covers.
SourceLocation getBeginLoc () const LLVM_READONLY SourceLocation getEndLoc () const LLVM_READONLY SourceLocation getLocation () const void setLocation (SourceLocation L) Kind getKind () const const char * getDeclKindName () const Decl * getNextDeclInContext () const Decl * getNextDeclInContext () const DeclContext * getDeclContext () const DeclContext * getDeclContext () const DeclContext * getNonTransparentDeclContext () Return the non transparent context.
const DeclContext * getNonTransparentDeclContext () const Decl * getNonClosureContext () Find the innermost non-closure ancestor of this declaration, walking up through blocks, lambdas, etc.
const Decl * getNonClosureContext () const TranslationUnitDecl * getTranslationUnitDecl () const TranslationUnitDecl * getTranslationUnitDecl () const bool isInAnonymousNamespace () const bool isInStdNamespace () const bool isFileContextDecl () const ASTContext & getASTContext () const LLVM_READONLY const LangOptions & getLangOpts () const LLVM_READONLY Helper to get the language options from the ASTContext.
void setAccess (AccessSpecifier AS) AccessSpecifier getAccess () const AccessSpecifier getAccessUnsafe () const Retrieve the access specifier for this declaration, even though it may not yet have been properly set.
bool hasAttrs () const void setAttrs (const AttrVec &Attrs) AttrVec & getAttrs () const AttrVec & getAttrs () const void dropAttrs () void addAttr (Attr *A) attr_range attrs () const attr_iterator attr_begin () const attr_iterator attr_end () const template<typename... Ts> void dropAttrs () template<typename T > void dropAttr () template<typename T > llvm::iterator_range< specific_attr_iterator< T > > specific_attrs () const template<typename T > specific_attr_iterator< T > specific_attr_begin () const template<typename T > specific_attr_iterator< T > specific_attr_end () const template<typename T > T * getAttr () const template<typename T > bool hasAttr () const unsigned getMaxAlignment () const getMaxAlignment - return the maximum alignment specified by attributes on this decl, 0 if there are none.
void setInvalidDecl (bool Invalid=true) setInvalidDecl - Indicates the Decl had a semantic error.
bool isInvalidDecl () const bool isImplicit () const isImplicit - Indicates whether the declaration was implicitly generated by the implementation.
void setImplicit (bool I=true) bool isUsed (bool CheckUsedAttr=true) const Whether any (re-)declaration of the entity was used, meaning that a definition is required.
void setIsUsed () Set whether the declaration is used, in the sense of odr-use.
void markUsed (ASTContext &C) Mark the declaration used, in the sense of odr-use.
bool isReferenced () const Whether any declaration of this entity was referenced.
bool isThisDeclarationReferenced () const Whether this declaration was referenced.
void setReferenced (bool R=true) bool isTopLevelDeclInObjCContainer () const Whether this declaration is a top-level declaration (function, global variable, etc.) that is lexically inside an objc container definition.
void setTopLevelDeclInObjCContainer (bool V=true) ExternalSourceSymbolAttr * getExternalSourceSymbolAttr () const Looks on this and related declarations for an applicable external source symbol attribute.
bool isModulePrivate () const Whether this declaration was marked as being private to the module in which it was defined.
bool isInExportDeclContext () const Whether this declaration was exported in a lexical context.
bool isInvisibleOutsideTheOwningModule () const bool isInAnotherModuleUnit () const Whether this declaration comes from another module unit.
bool isInCurrentModuleUnit () const Whether this declaration comes from the same module unit being compiled.
bool shouldEmitInExternalSource () const Whether the definition of the declaration should be emitted in external sources.
bool isFromExplicitGlobalModule () const Whether this declaration comes from explicit global module.
bool isFromGlobalModule () const Whether this declaration comes from global module.
bool isInNamedModule () const Whether this declaration comes from a named module.
bool isFromHeaderUnit () const Whether this declaration comes from a header unit.
bool hasDefiningAttr () const Return true if this declaration has an attribute which acts as definition of the entity, such as 'alias' or 'ifunc'.
const Attr * getDefiningAttr () const Return this declaration's defining attribute if it has one.
void setFromASTFile () Set the FromASTFile flag.
void setOwningModuleID (unsigned ID) Set the owning module ID.
AvailabilityResult getAvailability (std::string *Message=nullptr, VersionTuple EnclosingVersion=VersionTuple(), StringRef *RealizedPlatform=nullptr) const Determine the availability of the given declaration.
VersionTuple getVersionIntroduced () const Retrieve the version of the target platform in which this declaration was introduced.
bool isDeprecated (std::string *Message=nullptr) const Determine whether this declaration is marked 'deprecated'.
bool isUnavailable (std::string *Message=nullptr) const Determine whether this declaration is marked 'unavailable'.
bool isWeakImported () const Determine whether this is a weak-imported symbol.
bool canBeWeakImported (bool &IsDefinition) const Determines whether this symbol can be weak-imported, e.g., whether it would be well-formed to add the weak_import attribute.
bool isFromASTFile () const Determine whether this declaration came from an AST file (such as a precompiled header or module) rather than having been parsed.
GlobalDeclID getGlobalID () const Retrieve the global declaration ID associated with this declaration, which specifies where this Decl was loaded from.
unsigned getOwningModuleID () const Retrieve the global ID of the module that owns this particular declaration.
Module * getImportedOwningModule () const Get the imported owning module, if this decl is from an imported (non-local) module.
Module * getLocalOwningModule () const Get the local owning module, if known.
void setLocalOwningModule (Module *M) bool hasOwningModule () const Is this declaration owned by some module?
Module * getOwningModule () const Get the module that owns this declaration (for visibility purposes).
Module * getTopLevelOwningNamedModule () const Get the top level owning named module that owns this declaration if any.
Module * getOwningModuleForLinkage () const Get the module that owns this declaration for linkage purposes.
bool isUnconditionallyVisible () const Determine whether this declaration is definitely visible to name lookup, independent of whether the owning module is visible.
bool isReachable () const void setVisibleDespiteOwningModule () Set that this declaration is globally visible, even if it came from a module that is not visible.
ModuleOwnershipKind getModuleOwnershipKind () const Get the kind of module ownership for this declaration.
void setModuleOwnershipKind (ModuleOwnershipKind MOK) Set whether this declaration is hidden from name lookup.
unsigned getIdentifierNamespace () const bool isInIdentifierNamespace (unsigned NS) const bool hasTagIdentifierNamespace () const DeclContext * getLexicalDeclContext () getLexicalDeclContext - The declaration context where this Decl was lexically declared (LexicalDC).
const DeclContext * getLexicalDeclContext () const virtual bool isOutOfLine () const Determine whether this declaration is declared out of line (outside its semantic context).
void setDeclContext (DeclContext *DC) setDeclContext - Set both the semantic and lexical DeclContext to DC.
void setLexicalDeclContext (DeclContext *DC) bool isTemplated () const Determine whether this declaration is a templated entity (whether it is.
unsigned getTemplateDepth () const Determine the number of levels of template parameter surrounding this declaration.
bool isDefinedOutsideFunctionOrMethod () const isDefinedOutsideFunctionOrMethod - This predicate returns true if this scoped decl is defined outside the current function or method.
bool isInLocalScopeForInstantiation () const Determine whether a substitution into this declaration would occur as part of a substitution into a dependent local scope.
const DeclContext * getParentFunctionOrMethod (bool LexicalParent=false) const If this decl is defined inside a function/method/block it returns the corresponding DeclContext, otherwise it returns null.
DeclContext * getParentFunctionOrMethod (bool LexicalParent=false) virtual Decl * getCanonicalDecl () Retrieves the "canonical" declaration of the given declaration.
const Decl * getCanonicalDecl () const bool isCanonicalDecl () const Whether this particular Decl is a canonical one.
redecl_range redecls () const Returns an iterator range for all the redeclarations of the same decl.
redecl_iterator redecls_begin () const redecl_iterator redecls_end () const Decl * getPreviousDecl () Retrieve the previous declaration that declares the same entity as this declaration, or NULL if there is no previous declaration.
const Decl * getPreviousDecl () const Retrieve the previous declaration that declares the same entity as this declaration, or NULL if there is no previous declaration.
bool isFirstDecl () const True if this is the first declaration in its redeclaration chain.
Decl * getMostRecentDecl () Retrieve the most recent declaration that declares the same entity as this declaration (which may be this declaration).
const Decl * getMostRecentDecl () const Retrieve the most recent declaration that declares the same entity as this declaration (which may be this declaration).
virtual Stmt * getBody () const getBody - If this Decl represents a declaration for a body of code, such as a function or method definition, this method returns the top-level Stmt* of that body.
virtual bool hasBody () const Returns true if this Decl represents a declaration for a body of code, such as a function or method definition.
SourceLocation getBodyRBrace () const getBodyRBrace - Gets the right brace of the body, if a body exists.
bool isTemplateParameter () const isTemplateParameter - Determines whether this declaration is a template parameter.
bool isTemplateParameterPack () const isTemplateParameter - Determines whether this declaration is a template parameter pack.
bool isParameterPack () const Whether this declaration is a parameter pack.
bool isTemplateDecl () const returns true if this declaration is a template
bool isFunctionOrFunctionTemplate () const Whether this declaration is a function or function template.
TemplateDecl * getDescribedTemplate () const If this is a declaration that describes some template, this method returns that template declaration.
const TemplateParameterList * getDescribedTemplateParams () const If this is a declaration that describes some template or partial specialization, this returns the corresponding template parameter list.
FunctionDecl * getAsFunction () LLVM_READONLY Returns the function itself, or the templated function if this is a function template.
const FunctionDecl * getAsFunction () const void setLocalExternDecl () Changes the namespace of this declaration to reflect that it's a function-local extern declaration.
bool isLocalExternDecl () const Determine whether this is a block-scope declaration with linkage.
void setObjectOfFriendDecl (bool PerformFriendInjection=false) Changes the namespace of this declaration to reflect that it's the object of a friend declaration.
void clearIdentifierNamespace () Clears the namespace of this declaration.
FriendObjectKind getFriendObjectKind () const Determines whether this declaration is the object of a friend declaration and, if so, what kind.
void setNonMemberOperator () Specifies that this declaration is a C++ overloaded non-member.
void print (raw_ostream &Out, unsigned Indentation=0, bool PrintInstantiation=false) const void print (raw_ostream &Out, const PrintingPolicy &Policy, unsigned Indentation=0, bool PrintInstantiation=false) const void dump () const void dumpColor () const void dump (raw_ostream &Out, bool Deserialize=false, ASTDumpOutputFormat OutputFormat=ADOF_Default) const int64_t getID () const const FunctionType * getFunctionType (bool BlocksToo=true) const Looks through the Decl's underlying type to extract a FunctionType when possible.
bool isFunctionPointerType () const static FriendDecl * Create (ASTContext &C, DeclContext *DC, SourceLocation L, FriendUnion Friend_, SourceLocation FriendL, SourceLocation EllipsisLoc={}, ArrayRef< TemplateParameterList * > FriendTypeTPLists={}) static FriendDecl * CreateDeserialized (ASTContext &C, GlobalDeclID ID, unsigned FriendTypeNumTPLists) static bool classof (const Decl *D) static bool classofKind (Kind K) static bool isFlexibleArrayMemberLike (ASTContext &Context, const Decl *D, QualType Ty, LangOptions::StrictFlexArraysLevelKind StrictFlexArraysLevel, bool IgnoreTemplateOrMacroSubstitution) Whether it resembles a flexible array member.
static unsigned getIdentifierNamespaceForKind (Kind DK) static bool isTagIdentifierNamespace (unsigned NS) static void add (Kind k) static void EnableStatistics () static void PrintStats () static bool classofKind (Kind K) static DeclContext * castToDeclContext (const Decl *) static Decl * castFromDeclContext (const DeclContext *) static void printGroup (Decl **Begin, unsigned NumDecls, raw_ostream &Out, const PrintingPolicy &Policy, unsigned Indentation=0) void * operator new (std::size_t Size, const ASTContext &Ctx, GlobalDeclID ID, std::size_t Extra=0) Allocate memory for a deserialized declaration.
void * operator new (std::size_t Size, const ASTContext &Ctx, DeclContext *Parent, std::size_t Extra=0) Allocate memory for a non-deserialized declaration.
Decl (Kind DK, DeclContext *DC, SourceLocation L) Decl (Kind DK, EmptyShell Empty) virtual ~Decl () void updateOutOfDate (IdentifierInfo &II) const Update a potentially out-of-date declaration.
Linkage getCachedLinkage () const void setCachedLinkage (Linkage L) const bool hasCachedLinkage () const void setModulePrivate () Specify that this declaration was marked as being private to the module in which it was defined.
bool hasLocalOwningModuleStorage () const virtual Decl * getNextRedeclarationImpl () Returns the next redeclaration or itself if this is the only decl.
virtual Decl * getPreviousDeclImpl () Implementation of getPreviousDecl(), to be overridden by any subclass that has a redeclaration chain.
virtual Decl * getMostRecentDeclImpl () Implementation of getMostRecentDecl(), to be overridden by any subclass that has a redeclaration chain.
ASTMutationListener * getASTMutationListener () const llvm::PointerIntPair< Decl *, 3, ModuleOwnershipKind > NextInContextAndBits The next declaration within the same lexical DeclContext.
unsigned Access: 2 Access - Used by C++ decls for the access specifier.
unsigned FromASTFile: 1 Whether this declaration was loaded from an AST file.
unsigned IdentifierNamespace: 14 IdentifierNamespace - This specifies what IDNS_* namespace this lives in.
unsigned CacheValidAndLinkage: 3 If 0, we have not computed the linkage of this declaration.
FriendDecl - Represents the declaration of a friend entity, which can be a function, a type, or a templated function or type.
For example:
template <typename T> class A {
friend int foo(T);
friend class B;
template <typename U> friend class C;
template
<
typename
U>
friend
A&
operator+=
(A&,
const U
&) { ... }
};
static SmallVectorImpl< char > & operator+=(SmallVectorImpl< char > &Includes, StringRef RHS)
const FunctionProtoType * T
The semantic context of a friend decl is its declaring class.
Definition at line 52 of file DeclFriend.h.
◆ FriendUnion ◆ classof() static bool clang::FriendDecl::classof ( const Decl * D ) inlinestatic ◆ classofKind() static bool clang::FriendDecl::classofKind ( Kind K ) inlinestatic ◆ Create() ◆ CreateDeserialized() ◆ getEllipsisLoc() ◆ getFriendDecl() NamedDecl * clang::FriendDecl::getFriendDecl ( ) const inline ◆ getFriendLoc() ◆ getFriendType() ◆ getFriendTypeNumTemplateParameterLists() unsigned clang::FriendDecl::getFriendTypeNumTemplateParameterLists ( ) const inline
Definition at line 130 of file DeclFriend.h.
◆ getFriendTypeTemplateParameterList() ◆ getSourceRange() SourceRange clang::FriendDecl::getSourceRange ( ) const inlineoverridevirtual ◆ isPackExpansion() bool clang::FriendDecl::isPackExpansion ( ) const inline ◆ isUnsupportedFriend() bool clang::FriendDecl::isUnsupportedFriend ( ) const inline ◆ setUnsupportedFriend() void clang::FriendDecl::setUnsupportedFriend ( bool Unsupported ) inline ◆ ASTDeclReader ◆ ASTDeclWriter ◆ ASTNodeImporter ◆ CXXRecordDecl ◆ CXXRecordDecl::friend_iterator ◆ TrailingObjects friend clang::FriendDecl::TrailingObjects
Definition at line 113 of file DeclFriend.h.
The documentation for this class was generated from the following files:
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