Represents an empty-declaration. More...
#include "clang/AST/Decl.h"
Inheritance diagram for clang::EmptyDecl:
Static Public Member Functions | |
| static EmptyDecl * | Create (ASTContext &C, DeclContext *DC, SourceLocation L) |
| static EmptyDecl * | CreateDeserialized (ASTContext &C, GlobalDeclID ID) |
| static bool | classof (const Decl *D) |
| static bool | classofKind (Kind K) |
 Static Public Member Functions inherited from clang::Decl | |
| 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) |
Additional Inherited Members | |
| Public Types inherited from clang::Decl | |
| 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 > |
| Public Member Functions inherited from clang::Decl | |
| 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 * | 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 |
| Protected Member Functions inherited from clang::Decl | |
| 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 |
| Protected Attributes inherited from clang::Decl | |
| 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. | |
Detailed Description
Member Function Documentation
◆ classof()
Definition at line 4922 of file Decl.h.
References classofKind(), and D.
◆ classofKind()
◆ Create()
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static |
Definition at line 5651 of file Decl.cpp.
References clang::C.
Referenced by clang::Sema::ActOnEmptyDeclaration().
◆ CreateDeserialized()
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static |
The documentation for this class was generated from the following files:
