| //===--- DeclObjC.h - Classes for representing declarations -----*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the DeclObjC interface and subclasses. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_AST_DECLOBJC_H |
| #define LLVM_CLANG_AST_DECLOBJC_H |
| |
| #include "clang/AST/Decl.h" |
| #include "llvm/ADT/STLExtras.h" |
| |
| namespace clang { |
| class Expr; |
| class Stmt; |
| class FunctionDecl; |
| class AttributeList; |
| class RecordDecl; |
| class ObjCIvarDecl; |
| class ObjCMethodDecl; |
| class ObjCProtocolDecl; |
| class ObjCCategoryDecl; |
| class ObjCPropertyDecl; |
| class ObjCPropertyImplDecl; |
| |
| class ObjCListBase { |
| void operator=(const ObjCListBase &); // DO NOT IMPLEMENT |
| ObjCListBase(const ObjCListBase&); // DO NOT IMPLEMENT |
| protected: |
| /// List is an array of pointers to objects that are not owned by this object. |
| void **List; |
| unsigned NumElts; |
| |
| public: |
| ObjCListBase() : List(0), NumElts(0) {} |
| ~ObjCListBase() { |
| assert(List == 0 && "Destroy should have been called before dtor"); |
| } |
| |
| void Destroy(ASTContext &Ctx); |
| |
| unsigned size() const { return NumElts; } |
| bool empty() const { return NumElts == 0; } |
| |
| protected: |
| void set(void *const* InList, unsigned Elts, ASTContext &Ctx); |
| }; |
| |
| |
| /// ObjCList - This is a simple template class used to hold various lists of |
| /// decls etc, which is heavily used by the ObjC front-end. This only use case |
| /// this supports is setting the list all at once and then reading elements out |
| /// of it. |
| template <typename T> |
| class ObjCList : public ObjCListBase { |
| public: |
| void set(T* const* InList, unsigned Elts, ASTContext &Ctx) { |
| ObjCListBase::set(reinterpret_cast<void*const*>(InList), Elts, Ctx); |
| } |
| |
| typedef T* const * iterator; |
| iterator begin() const { return (iterator)List; } |
| iterator end() const { return (iterator)List+NumElts; } |
| |
| T* operator[](unsigned Idx) const { |
| assert(Idx < NumElts && "Invalid access"); |
| return (T*)List[Idx]; |
| } |
| }; |
| |
| /// \brief A list of Objective-C protocols, along with the source |
| /// locations at which they were referenced. |
| class ObjCProtocolList : public ObjCList<ObjCProtocolDecl> { |
| SourceLocation *Locations; |
| |
| using ObjCList<ObjCProtocolDecl>::set; |
| |
| public: |
| ObjCProtocolList() : ObjCList<ObjCProtocolDecl>(), Locations(0) { } |
| |
| typedef const SourceLocation *loc_iterator; |
| loc_iterator loc_begin() const { return Locations; } |
| loc_iterator loc_end() const { return Locations + size(); } |
| |
| void set(ObjCProtocolDecl* const* InList, unsigned Elts, |
| const SourceLocation *Locs, ASTContext &Ctx); |
| void Destroy(ASTContext &Ctx); |
| }; |
| |
| |
| /// ObjCMethodDecl - Represents an instance or class method declaration. |
| /// ObjC methods can be declared within 4 contexts: class interfaces, |
| /// categories, protocols, and class implementations. While C++ member |
| /// functions leverage C syntax, Objective-C method syntax is modeled after |
| /// Smalltalk (using colons to specify argument types/expressions). |
| /// Here are some brief examples: |
| /// |
| /// Setter/getter instance methods: |
| /// - (void)setMenu:(NSMenu *)menu; |
| /// - (NSMenu *)menu; |
| /// |
| /// Instance method that takes 2 NSView arguments: |
| /// - (void)replaceSubview:(NSView *)oldView with:(NSView *)newView; |
| /// |
| /// Getter class method: |
| /// + (NSMenu *)defaultMenu; |
| /// |
| /// A selector represents a unique name for a method. The selector names for |
| /// the above methods are setMenu:, menu, replaceSubview:with:, and defaultMenu. |
| /// |
| class ObjCMethodDecl : public NamedDecl, public DeclContext { |
| public: |
| enum ImplementationControl { None, Required, Optional }; |
| private: |
| /// Bitfields must be first fields in this class so they pack with those |
| /// declared in class Decl. |
| /// instance (true) or class (false) method. |
| bool IsInstance : 1; |
| bool IsVariadic : 1; |
| |
| // Synthesized declaration method for a property setter/getter |
| bool IsSynthesized : 1; |
| |
| // NOTE: VC++ treats enums as signed, avoid using ImplementationControl enum |
| /// @required/@optional |
| unsigned DeclImplementation : 2; |
| |
| // NOTE: VC++ treats enums as signed, avoid using the ObjCDeclQualifier enum |
| /// in, inout, etc. |
| unsigned objcDeclQualifier : 6; |
| |
| // Type of this method. |
| QualType MethodDeclType; |
| /// ParamInfo - List of pointers to VarDecls for the formal parameters of this |
| /// Method. |
| ObjCList<ParmVarDecl> ParamInfo; |
| |
| /// List of attributes for this method declaration. |
| SourceLocation EndLoc; // the location of the ';' or '}'. |
| |
| // The following are only used for method definitions, null otherwise. |
| // FIXME: space savings opportunity, consider a sub-class. |
| Stmt *Body; |
| |
| /// SelfDecl - Decl for the implicit self parameter. This is lazily |
| /// constructed by createImplicitParams. |
| ImplicitParamDecl *SelfDecl; |
| /// CmdDecl - Decl for the implicit _cmd parameter. This is lazily |
| /// constructed by createImplicitParams. |
| ImplicitParamDecl *CmdDecl; |
| |
| ObjCMethodDecl(SourceLocation beginLoc, SourceLocation endLoc, |
| Selector SelInfo, QualType T, |
| DeclContext *contextDecl, |
| bool isInstance = true, |
| bool isVariadic = false, |
| bool isSynthesized = false, |
| ImplementationControl impControl = None) |
| : NamedDecl(ObjCMethod, contextDecl, beginLoc, SelInfo), |
| DeclContext(ObjCMethod), |
| IsInstance(isInstance), IsVariadic(isVariadic), |
| IsSynthesized(isSynthesized), |
| DeclImplementation(impControl), objcDeclQualifier(OBJC_TQ_None), |
| MethodDeclType(T), |
| EndLoc(endLoc), Body(0), SelfDecl(0), CmdDecl(0) {} |
| |
| virtual ~ObjCMethodDecl() {} |
| |
| /// \brief A definition will return its interface declaration. |
| /// An interface declaration will return its definition. |
| /// Otherwise it will return itself. |
| virtual ObjCMethodDecl *getNextRedeclaration(); |
| |
| public: |
| |
| /// Destroy - Call destructors and release memory. |
| virtual void Destroy(ASTContext& C); |
| |
| static ObjCMethodDecl *Create(ASTContext &C, |
| SourceLocation beginLoc, |
| SourceLocation endLoc, Selector SelInfo, |
| QualType T, DeclContext *contextDecl, |
| bool isInstance = true, |
| bool isVariadic = false, |
| bool isSynthesized = false, |
| ImplementationControl impControl = None); |
| |
| virtual ObjCMethodDecl *getCanonicalDecl(); |
| const ObjCMethodDecl *getCanonicalDecl() const { |
| return const_cast<ObjCMethodDecl*>(this)->getCanonicalDecl(); |
| } |
| |
| ObjCDeclQualifier getObjCDeclQualifier() const { |
| return ObjCDeclQualifier(objcDeclQualifier); |
| } |
| void setObjCDeclQualifier(ObjCDeclQualifier QV) { objcDeclQualifier = QV; } |
| |
| // Location information, modeled after the Stmt API. |
| SourceLocation getLocStart() const { return getLocation(); } |
| SourceLocation getLocEnd() const { return EndLoc; } |
| void setEndLoc(SourceLocation Loc) { EndLoc = Loc; } |
| virtual SourceRange getSourceRange() const { |
| return SourceRange(getLocation(), EndLoc); |
| } |
| |
| ObjCInterfaceDecl *getClassInterface(); |
| const ObjCInterfaceDecl *getClassInterface() const { |
| return const_cast<ObjCMethodDecl*>(this)->getClassInterface(); |
| } |
| |
| Selector getSelector() const { return getDeclName().getObjCSelector(); } |
| |
| QualType getResultType() const { return MethodDeclType; } |
| void setResultType(QualType T) { MethodDeclType = T; } |
| |
| // Iterator access to formal parameters. |
| unsigned param_size() const { return ParamInfo.size(); } |
| typedef ObjCList<ParmVarDecl>::iterator param_iterator; |
| param_iterator param_begin() const { return ParamInfo.begin(); } |
| param_iterator param_end() const { return ParamInfo.end(); } |
| |
| void setMethodParams(ASTContext &C, ParmVarDecl *const *List, unsigned Num) { |
| ParamInfo.set(List, Num, C); |
| } |
| |
| // Iterator access to parameter types. |
| typedef std::const_mem_fun_t<QualType, ParmVarDecl> deref_fun; |
| typedef llvm::mapped_iterator<param_iterator, deref_fun> arg_type_iterator; |
| |
| arg_type_iterator arg_type_begin() const { |
| return llvm::map_iterator(param_begin(), deref_fun(&ParmVarDecl::getType)); |
| } |
| arg_type_iterator arg_type_end() const { |
| return llvm::map_iterator(param_end(), deref_fun(&ParmVarDecl::getType)); |
| } |
| |
| /// createImplicitParams - Used to lazily create the self and cmd |
| /// implict parameters. This must be called prior to using getSelfDecl() |
| /// or getCmdDecl(). The call is ignored if the implicit paramters |
| /// have already been created. |
| void createImplicitParams(ASTContext &Context, const ObjCInterfaceDecl *ID); |
| |
| ImplicitParamDecl * getSelfDecl() const { return SelfDecl; } |
| void setSelfDecl(ImplicitParamDecl *SD) { SelfDecl = SD; } |
| ImplicitParamDecl * getCmdDecl() const { return CmdDecl; } |
| void setCmdDecl(ImplicitParamDecl *CD) { CmdDecl = CD; } |
| |
| bool isInstanceMethod() const { return IsInstance; } |
| void setInstanceMethod(bool isInst) { IsInstance = isInst; } |
| bool isVariadic() const { return IsVariadic; } |
| void setVariadic(bool isVar) { IsVariadic = isVar; } |
| |
| bool isClassMethod() const { return !IsInstance; } |
| |
| bool isSynthesized() const { return IsSynthesized; } |
| void setSynthesized(bool isSynth) { IsSynthesized = isSynth; } |
| |
| // Related to protocols declared in @protocol |
| void setDeclImplementation(ImplementationControl ic) { |
| DeclImplementation = ic; |
| } |
| ImplementationControl getImplementationControl() const { |
| return ImplementationControl(DeclImplementation); |
| } |
| |
| virtual Stmt *getBody() const { |
| return (Stmt*) Body; |
| } |
| CompoundStmt *getCompoundBody() { return (CompoundStmt*)Body; } |
| void setBody(Stmt *B) { Body = B; } |
| |
| /// \brief Returns whether this specific method is a definition. |
| bool isThisDeclarationADefinition() const { return Body; } |
| |
| // Implement isa/cast/dyncast/etc. |
| static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| static bool classof(const ObjCMethodDecl *D) { return true; } |
| static bool classofKind(Kind K) { return K == ObjCMethod; } |
| static DeclContext *castToDeclContext(const ObjCMethodDecl *D) { |
| return static_cast<DeclContext *>(const_cast<ObjCMethodDecl*>(D)); |
| } |
| static ObjCMethodDecl *castFromDeclContext(const DeclContext *DC) { |
| return static_cast<ObjCMethodDecl *>(const_cast<DeclContext*>(DC)); |
| } |
| }; |
| |
| /// ObjCMethodList - a linked list of methods with different signatures. |
| struct ObjCMethodList { |
| ObjCMethodDecl *Method; |
| ObjCMethodList *Next; |
| |
| ObjCMethodList() { |
| Method = 0; |
| Next = 0; |
| } |
| ObjCMethodList(ObjCMethodDecl *M, ObjCMethodList *C) { |
| Method = M; |
| Next = C; |
| } |
| }; |
| |
| /// ObjCContainerDecl - Represents a container for method declarations. |
| /// Current sub-classes are ObjCInterfaceDecl, ObjCCategoryDecl, |
| /// ObjCProtocolDecl, and ObjCImplDecl. |
| /// |
| class ObjCContainerDecl : public NamedDecl, public DeclContext { |
| // These two locations in the range mark the end of the method container. |
| // The first points to the '@' token, and the second to the 'end' token. |
| SourceRange AtEnd; |
| public: |
| |
| ObjCContainerDecl(Kind DK, DeclContext *DC, SourceLocation L, |
| IdentifierInfo *Id) |
| : NamedDecl(DK, DC, L, Id), DeclContext(DK) {} |
| |
| virtual ~ObjCContainerDecl() {} |
| |
| // Iterator access to properties. |
| typedef specific_decl_iterator<ObjCPropertyDecl> prop_iterator; |
| prop_iterator prop_begin() const { |
| return prop_iterator(decls_begin()); |
| } |
| prop_iterator prop_end() const { |
| return prop_iterator(decls_end()); |
| } |
| |
| // Iterator access to instance/class methods. |
| typedef specific_decl_iterator<ObjCMethodDecl> method_iterator; |
| method_iterator meth_begin() const { |
| return method_iterator(decls_begin()); |
| } |
| method_iterator meth_end() const { |
| return method_iterator(decls_end()); |
| } |
| |
| typedef filtered_decl_iterator<ObjCMethodDecl, |
| &ObjCMethodDecl::isInstanceMethod> |
| instmeth_iterator; |
| instmeth_iterator instmeth_begin() const { |
| return instmeth_iterator(decls_begin()); |
| } |
| instmeth_iterator instmeth_end() const { |
| return instmeth_iterator(decls_end()); |
| } |
| |
| typedef filtered_decl_iterator<ObjCMethodDecl, |
| &ObjCMethodDecl::isClassMethod> |
| classmeth_iterator; |
| classmeth_iterator classmeth_begin() const { |
| return classmeth_iterator(decls_begin()); |
| } |
| classmeth_iterator classmeth_end() const { |
| return classmeth_iterator(decls_end()); |
| } |
| |
| // Get the local instance/class method declared in this interface. |
| ObjCMethodDecl *getMethod(Selector Sel, bool isInstance) const; |
| ObjCMethodDecl *getInstanceMethod(Selector Sel) const { |
| return getMethod(Sel, true/*isInstance*/); |
| } |
| ObjCMethodDecl *getClassMethod(Selector Sel) const { |
| return getMethod(Sel, false/*isInstance*/); |
| } |
| ObjCIvarDecl *getIvarDecl(IdentifierInfo *Id) const; |
| |
| ObjCPropertyDecl *FindPropertyDeclaration(IdentifierInfo *PropertyId) const; |
| ObjCPropertyDecl *FindPropertyVisibleInPrimaryClass( |
| IdentifierInfo *PropertyId) const; |
| |
| // Marks the end of the container. |
| SourceRange getAtEndRange() const { |
| return AtEnd; |
| } |
| void setAtEndRange(SourceRange atEnd) { |
| AtEnd = atEnd; |
| } |
| |
| virtual SourceRange getSourceRange() const { |
| return SourceRange(getLocation(), getAtEndRange().getEnd()); |
| } |
| |
| // Implement isa/cast/dyncast/etc. |
| static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| static bool classof(const ObjCContainerDecl *D) { return true; } |
| static bool classofKind(Kind K) { |
| return K >= ObjCContainerFirst && |
| K <= ObjCContainerLast; |
| } |
| |
| static DeclContext *castToDeclContext(const ObjCContainerDecl *D) { |
| return static_cast<DeclContext *>(const_cast<ObjCContainerDecl*>(D)); |
| } |
| static ObjCContainerDecl *castFromDeclContext(const DeclContext *DC) { |
| return static_cast<ObjCContainerDecl *>(const_cast<DeclContext*>(DC)); |
| } |
| }; |
| |
| /// ObjCInterfaceDecl - Represents an ObjC class declaration. For example: |
| /// |
| /// // MostPrimitive declares no super class (not particularly useful). |
| /// @interface MostPrimitive |
| /// // no instance variables or methods. |
| /// @end |
| /// |
| /// // NSResponder inherits from NSObject & implements NSCoding (a protocol). |
| /// @interface NSResponder : NSObject <NSCoding> |
| /// { // instance variables are represented by ObjCIvarDecl. |
| /// id nextResponder; // nextResponder instance variable. |
| /// } |
| /// - (NSResponder *)nextResponder; // return a pointer to NSResponder. |
| /// - (void)mouseMoved:(NSEvent *)theEvent; // return void, takes a pointer |
| /// @end // to an NSEvent. |
| /// |
| /// Unlike C/C++, forward class declarations are accomplished with @class. |
| /// Unlike C/C++, @class allows for a list of classes to be forward declared. |
| /// Unlike C++, ObjC is a single-rooted class model. In Cocoa, classes |
| /// typically inherit from NSObject (an exception is NSProxy). |
| /// |
| class ObjCInterfaceDecl : public ObjCContainerDecl { |
| /// TypeForDecl - This indicates the Type object that represents this |
| /// TypeDecl. It is a cache maintained by ASTContext::getObjCInterfaceType |
| mutable Type *TypeForDecl; |
| friend class ASTContext; |
| |
| /// Class's super class. |
| ObjCInterfaceDecl *SuperClass; |
| |
| /// Protocols referenced in interface header declaration |
| ObjCProtocolList ReferencedProtocols; |
| |
| /// Instance variables in the interface. This list is completely redundant. |
| ObjCList<ObjCIvarDecl> IVars; |
| |
| /// List of categories defined for this class. |
| /// FIXME: Why is this a linked list?? |
| ObjCCategoryDecl *CategoryList; |
| |
| bool ForwardDecl:1; // declared with @class. |
| bool InternalInterface:1; // true - no @interface for @implementation |
| |
| SourceLocation ClassLoc; // location of the class identifier. |
| SourceLocation SuperClassLoc; // location of the super class identifier. |
| SourceLocation EndLoc; // marks the '>', '}', or identifier. |
| |
| ObjCInterfaceDecl(DeclContext *DC, SourceLocation atLoc, IdentifierInfo *Id, |
| SourceLocation CLoc, bool FD, bool isInternal); |
| |
| virtual ~ObjCInterfaceDecl() {} |
| |
| public: |
| |
| /// Destroy - Call destructors and release memory. |
| virtual void Destroy(ASTContext& C); |
| |
| static ObjCInterfaceDecl *Create(ASTContext &C, DeclContext *DC, |
| SourceLocation atLoc, |
| IdentifierInfo *Id, |
| SourceLocation ClassLoc = SourceLocation(), |
| bool ForwardDecl = false, |
| bool isInternal = false); |
| const ObjCProtocolList &getReferencedProtocols() const { |
| return ReferencedProtocols; |
| } |
| |
| ObjCImplementationDecl *getImplementation() const; |
| void setImplementation(ObjCImplementationDecl *ImplD); |
| |
| ObjCCategoryDecl *FindCategoryDeclaration(IdentifierInfo *CategoryId) const; |
| |
| // Get the local instance/class method declared in a category. |
| ObjCMethodDecl *getCategoryInstanceMethod(Selector Sel) const; |
| ObjCMethodDecl *getCategoryClassMethod(Selector Sel) const; |
| ObjCMethodDecl *getCategoryMethod(Selector Sel, bool isInstance) const { |
| return isInstance ? getInstanceMethod(Sel) |
| : getClassMethod(Sel); |
| } |
| |
| typedef ObjCProtocolList::iterator protocol_iterator; |
| protocol_iterator protocol_begin() const {return ReferencedProtocols.begin();} |
| protocol_iterator protocol_end() const { return ReferencedProtocols.end(); } |
| typedef ObjCProtocolList::loc_iterator protocol_loc_iterator; |
| protocol_loc_iterator protocol_loc_begin() const { |
| return ReferencedProtocols.loc_begin(); |
| } |
| protocol_loc_iterator protocol_loc_end() const { |
| return ReferencedProtocols.loc_end(); |
| } |
| unsigned protocol_size() const { return ReferencedProtocols.size(); } |
| |
| typedef specific_decl_iterator<ObjCIvarDecl> ivar_iterator; |
| ivar_iterator ivar_begin() const { return ivar_iterator(decls_begin()); } |
| ivar_iterator ivar_end() const { return ivar_iterator(decls_end()); } |
| unsigned ivar_size() const { |
| return std::distance(ivar_begin(), ivar_end()); |
| } |
| bool ivar_empty() const { return ivar_begin() == ivar_end(); } |
| |
| /// setProtocolList - Set the list of protocols that this interface |
| /// implements. |
| void setProtocolList(ObjCProtocolDecl *const* List, unsigned Num, |
| const SourceLocation *Locs, ASTContext &C) { |
| ReferencedProtocols.set(List, Num, Locs, C); |
| } |
| |
| /// mergeClassExtensionProtocolList - Merge class extension's protocol list |
| /// into the protocol list for this class. |
| void mergeClassExtensionProtocolList(ObjCProtocolDecl *const* List, |
| unsigned Num, |
| const SourceLocation *Locs, |
| ASTContext &C); |
| |
| bool isForwardDecl() const { return ForwardDecl; } |
| void setForwardDecl(bool val) { ForwardDecl = val; } |
| |
| ObjCInterfaceDecl *getSuperClass() const { return SuperClass; } |
| void setSuperClass(ObjCInterfaceDecl * superCls) { SuperClass = superCls; } |
| |
| ObjCCategoryDecl* getCategoryList() const { return CategoryList; } |
| void setCategoryList(ObjCCategoryDecl *category) { |
| CategoryList = category; |
| } |
| |
| ObjCCategoryDecl* getClassExtension() const; |
| |
| /// isSuperClassOf - Return true if this class is the specified class or is a |
| /// super class of the specified interface class. |
| bool isSuperClassOf(const ObjCInterfaceDecl *I) const { |
| // If RHS is derived from LHS it is OK; else it is not OK. |
| while (I != NULL) { |
| if (this == I) |
| return true; |
| I = I->getSuperClass(); |
| } |
| return false; |
| } |
| |
| ObjCIvarDecl *lookupInstanceVariable(IdentifierInfo *IVarName, |
| ObjCInterfaceDecl *&ClassDeclared); |
| ObjCIvarDecl *lookupInstanceVariable(IdentifierInfo *IVarName) { |
| ObjCInterfaceDecl *ClassDeclared; |
| return lookupInstanceVariable(IVarName, ClassDeclared); |
| } |
| |
| // Lookup a method. First, we search locally. If a method isn't |
| // found, we search referenced protocols and class categories. |
| ObjCMethodDecl *lookupMethod(Selector Sel, bool isInstance) const; |
| ObjCMethodDecl *lookupInstanceMethod(Selector Sel) const { |
| return lookupMethod(Sel, true/*isInstance*/); |
| } |
| ObjCMethodDecl *lookupClassMethod(Selector Sel) const { |
| return lookupMethod(Sel, false/*isInstance*/); |
| } |
| ObjCInterfaceDecl *lookupInheritedClass(const IdentifierInfo *ICName); |
| |
| // Lookup a method in the classes implementation hierarchy. |
| ObjCMethodDecl *lookupPrivateInstanceMethod(const Selector &Sel); |
| |
| // Location information, modeled after the Stmt API. |
| SourceLocation getLocStart() const { return getLocation(); } // '@'interface |
| SourceLocation getLocEnd() const { return EndLoc; } |
| void setLocEnd(SourceLocation LE) { EndLoc = LE; } |
| |
| void setClassLoc(SourceLocation Loc) { ClassLoc = Loc; } |
| SourceLocation getClassLoc() const { return ClassLoc; } |
| void setSuperClassLoc(SourceLocation Loc) { SuperClassLoc = Loc; } |
| SourceLocation getSuperClassLoc() const { return SuperClassLoc; } |
| |
| /// isImplicitInterfaceDecl - check that this is an implicitly declared |
| /// ObjCInterfaceDecl node. This is for legacy objective-c @implementation |
| /// declaration without an @interface declaration. |
| bool isImplicitInterfaceDecl() const { return InternalInterface; } |
| void setImplicitInterfaceDecl(bool val) { InternalInterface = val; } |
| |
| /// ClassImplementsProtocol - Checks that 'lProto' protocol |
| /// has been implemented in IDecl class, its super class or categories (if |
| /// lookupCategory is true). |
| bool ClassImplementsProtocol(ObjCProtocolDecl *lProto, |
| bool lookupCategory, |
| bool RHSIsQualifiedID = false); |
| |
| // Low-level accessor |
| Type *getTypeForDecl() const { return TypeForDecl; } |
| void setTypeForDecl(Type *TD) const { TypeForDecl = TD; } |
| |
| static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| static bool classof(const ObjCInterfaceDecl *D) { return true; } |
| static bool classofKind(Kind K) { return K == ObjCInterface; } |
| }; |
| |
| /// ObjCIvarDecl - Represents an ObjC instance variable. In general, ObjC |
| /// instance variables are identical to C. The only exception is Objective-C |
| /// supports C++ style access control. For example: |
| /// |
| /// @interface IvarExample : NSObject |
| /// { |
| /// id defaultToProtected; |
| /// @public: |
| /// id canBePublic; // same as C++. |
| /// @protected: |
| /// id canBeProtected; // same as C++. |
| /// @package: |
| /// id canBePackage; // framework visibility (not available in C++). |
| /// } |
| /// |
| class ObjCIvarDecl : public FieldDecl { |
| public: |
| enum AccessControl { |
| None, Private, Protected, Public, Package |
| }; |
| |
| private: |
| ObjCIvarDecl(DeclContext *DC, SourceLocation L, IdentifierInfo *Id, |
| QualType T, TypeSourceInfo *TInfo, AccessControl ac, Expr *BW) |
| : FieldDecl(ObjCIvar, DC, L, Id, T, TInfo, BW, /*Mutable=*/false), |
| DeclAccess(ac) {} |
| |
| public: |
| static ObjCIvarDecl *Create(ASTContext &C, DeclContext *DC, SourceLocation L, |
| IdentifierInfo *Id, QualType T, |
| TypeSourceInfo *TInfo, |
| AccessControl ac, Expr *BW = NULL); |
| |
| void setAccessControl(AccessControl ac) { DeclAccess = ac; } |
| |
| AccessControl getAccessControl() const { return AccessControl(DeclAccess); } |
| |
| AccessControl getCanonicalAccessControl() const { |
| return DeclAccess == None ? Protected : AccessControl(DeclAccess); |
| } |
| |
| // Implement isa/cast/dyncast/etc. |
| static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| static bool classof(const ObjCIvarDecl *D) { return true; } |
| static bool classofKind(Kind K) { return K == ObjCIvar; } |
| private: |
| // NOTE: VC++ treats enums as signed, avoid using the AccessControl enum |
| unsigned DeclAccess : 3; |
| }; |
| |
| |
| /// ObjCAtDefsFieldDecl - Represents a field declaration created by an |
| /// @defs(...). |
| class ObjCAtDefsFieldDecl : public FieldDecl { |
| private: |
| ObjCAtDefsFieldDecl(DeclContext *DC, SourceLocation L, IdentifierInfo *Id, |
| QualType T, Expr *BW) |
| : FieldDecl(ObjCAtDefsField, DC, L, Id, T, |
| /*TInfo=*/0, // FIXME: Do ObjCAtDefs have declarators ? |
| BW, /*Mutable=*/false) {} |
| |
| public: |
| static ObjCAtDefsFieldDecl *Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L, |
| IdentifierInfo *Id, QualType T, |
| Expr *BW); |
| |
| virtual void Destroy(ASTContext& C); |
| |
| // Implement isa/cast/dyncast/etc. |
| static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| static bool classof(const ObjCAtDefsFieldDecl *D) { return true; } |
| static bool classofKind(Kind K) { return K == ObjCAtDefsField; } |
| }; |
| |
| /// ObjCProtocolDecl - Represents a protocol declaration. ObjC protocols |
| /// declare a pure abstract type (i.e no instance variables are permitted). |
| /// Protocols orginally drew inspiration from C++ pure virtual functions (a C++ |
| /// feature with nice semantics and lousy syntax:-). Here is an example: |
| /// |
| /// @protocol NSDraggingInfo <refproto1, refproto2> |
| /// - (NSWindow *)draggingDestinationWindow; |
| /// - (NSImage *)draggedImage; |
| /// @end |
| /// |
| /// This says that NSDraggingInfo requires two methods and requires everything |
| /// that the two "referenced protocols" 'refproto1' and 'refproto2' require as |
| /// well. |
| /// |
| /// @interface ImplementsNSDraggingInfo : NSObject <NSDraggingInfo> |
| /// @end |
| /// |
| /// ObjC protocols inspired Java interfaces. Unlike Java, ObjC classes and |
| /// protocols are in distinct namespaces. For example, Cocoa defines both |
| /// an NSObject protocol and class (which isn't allowed in Java). As a result, |
| /// protocols are referenced using angle brackets as follows: |
| /// |
| /// id <NSDraggingInfo> anyObjectThatImplementsNSDraggingInfo; |
| /// |
| class ObjCProtocolDecl : public ObjCContainerDecl { |
| /// Referenced protocols |
| ObjCProtocolList ReferencedProtocols; |
| |
| bool isForwardProtoDecl; // declared with @protocol. |
| |
| SourceLocation EndLoc; // marks the '>' or identifier. |
| |
| ObjCProtocolDecl(DeclContext *DC, SourceLocation L, IdentifierInfo *Id) |
| : ObjCContainerDecl(ObjCProtocol, DC, L, Id), |
| isForwardProtoDecl(true) { |
| } |
| |
| virtual ~ObjCProtocolDecl() {} |
| |
| public: |
| static ObjCProtocolDecl *Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L, IdentifierInfo *Id); |
| |
| /// Destroy - Call destructors and release memory. |
| virtual void Destroy(ASTContext& C); |
| |
| const ObjCProtocolList &getReferencedProtocols() const { |
| return ReferencedProtocols; |
| } |
| typedef ObjCProtocolList::iterator protocol_iterator; |
| protocol_iterator protocol_begin() const {return ReferencedProtocols.begin();} |
| protocol_iterator protocol_end() const { return ReferencedProtocols.end(); } |
| typedef ObjCProtocolList::loc_iterator protocol_loc_iterator; |
| protocol_loc_iterator protocol_loc_begin() const { |
| return ReferencedProtocols.loc_begin(); |
| } |
| protocol_loc_iterator protocol_loc_end() const { |
| return ReferencedProtocols.loc_end(); |
| } |
| unsigned protocol_size() const { return ReferencedProtocols.size(); } |
| |
| /// setProtocolList - Set the list of protocols that this interface |
| /// implements. |
| void setProtocolList(ObjCProtocolDecl *const*List, unsigned Num, |
| const SourceLocation *Locs, ASTContext &C) { |
| ReferencedProtocols.set(List, Num, Locs, C); |
| } |
| |
| ObjCProtocolDecl *lookupProtocolNamed(IdentifierInfo *PName); |
| |
| // Lookup a method. First, we search locally. If a method isn't |
| // found, we search referenced protocols and class categories. |
| ObjCMethodDecl *lookupMethod(Selector Sel, bool isInstance) const; |
| ObjCMethodDecl *lookupInstanceMethod(Selector Sel) const { |
| return lookupMethod(Sel, true/*isInstance*/); |
| } |
| ObjCMethodDecl *lookupClassMethod(Selector Sel) const { |
| return lookupMethod(Sel, false/*isInstance*/); |
| } |
| |
| bool isForwardDecl() const { return isForwardProtoDecl; } |
| void setForwardDecl(bool val) { isForwardProtoDecl = val; } |
| |
| // Location information, modeled after the Stmt API. |
| SourceLocation getLocStart() const { return getLocation(); } // '@'protocol |
| SourceLocation getLocEnd() const { return EndLoc; } |
| void setLocEnd(SourceLocation LE) { EndLoc = LE; } |
| |
| static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| static bool classof(const ObjCProtocolDecl *D) { return true; } |
| static bool classofKind(Kind K) { return K == ObjCProtocol; } |
| }; |
| |
| /// ObjCClassDecl - Specifies a list of forward class declarations. For example: |
| /// |
| /// @class NSCursor, NSImage, NSPasteboard, NSWindow; |
| /// |
| class ObjCClassDecl : public Decl { |
| public: |
| class ObjCClassRef { |
| ObjCInterfaceDecl *ID; |
| SourceLocation L; |
| public: |
| ObjCClassRef(ObjCInterfaceDecl *d, SourceLocation l) : ID(d), L(l) {} |
| SourceLocation getLocation() const { return L; } |
| ObjCInterfaceDecl *getInterface() const { return ID; } |
| }; |
| private: |
| ObjCClassRef *ForwardDecls; |
| unsigned NumDecls; |
| |
| ObjCClassDecl(DeclContext *DC, SourceLocation L, |
| ObjCInterfaceDecl *const *Elts, const SourceLocation *Locs, |
| unsigned nElts, ASTContext &C); |
| virtual ~ObjCClassDecl() {} |
| public: |
| |
| /// Destroy - Call destructors and release memory. |
| virtual void Destroy(ASTContext& C); |
| |
| static ObjCClassDecl *Create(ASTContext &C, DeclContext *DC, SourceLocation L, |
| ObjCInterfaceDecl *const *Elts = 0, |
| const SourceLocation *Locs = 0, |
| unsigned nElts = 0); |
| |
| virtual SourceRange getSourceRange() const; |
| |
| typedef const ObjCClassRef* iterator; |
| iterator begin() const { return ForwardDecls; } |
| iterator end() const { return ForwardDecls + NumDecls; } |
| unsigned size() const { return NumDecls; } |
| |
| /// setClassList - Set the list of forward classes. |
| void setClassList(ASTContext &C, ObjCInterfaceDecl*const*List, |
| const SourceLocation *Locs, unsigned Num); |
| |
| static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| static bool classof(const ObjCClassDecl *D) { return true; } |
| static bool classofKind(Kind K) { return K == ObjCClass; } |
| }; |
| |
| /// ObjCForwardProtocolDecl - Specifies a list of forward protocol declarations. |
| /// For example: |
| /// |
| /// @protocol NSTextInput, NSChangeSpelling, NSDraggingInfo; |
| /// |
| class ObjCForwardProtocolDecl : public Decl { |
| ObjCProtocolList ReferencedProtocols; |
| |
| ObjCForwardProtocolDecl(DeclContext *DC, SourceLocation L, |
| ObjCProtocolDecl *const *Elts, unsigned nElts, |
| const SourceLocation *Locs, ASTContext &C); |
| virtual ~ObjCForwardProtocolDecl() {} |
| |
| public: |
| static ObjCForwardProtocolDecl *Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L, |
| ObjCProtocolDecl *const *Elts, |
| unsigned Num, |
| const SourceLocation *Locs); |
| |
| static ObjCForwardProtocolDecl *Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L) { |
| return Create(C, DC, L, 0, 0, 0); |
| } |
| |
| /// Destroy - Call destructors and release memory. |
| virtual void Destroy(ASTContext& C); |
| |
| typedef ObjCProtocolList::iterator protocol_iterator; |
| protocol_iterator protocol_begin() const {return ReferencedProtocols.begin();} |
| protocol_iterator protocol_end() const { return ReferencedProtocols.end(); } |
| typedef ObjCProtocolList::loc_iterator protocol_loc_iterator; |
| protocol_loc_iterator protocol_loc_begin() const { |
| return ReferencedProtocols.loc_begin(); |
| } |
| protocol_loc_iterator protocol_loc_end() const { |
| return ReferencedProtocols.loc_end(); |
| } |
| |
| unsigned protocol_size() const { return ReferencedProtocols.size(); } |
| |
| /// setProtocolList - Set the list of forward protocols. |
| void setProtocolList(ObjCProtocolDecl *const*List, unsigned Num, |
| const SourceLocation *Locs, ASTContext &C) { |
| ReferencedProtocols.set(List, Num, Locs, C); |
| } |
| static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| static bool classof(const ObjCForwardProtocolDecl *D) { return true; } |
| static bool classofKind(Kind K) { return K == ObjCForwardProtocol; } |
| }; |
| |
| /// ObjCCategoryDecl - Represents a category declaration. A category allows |
| /// you to add methods to an existing class (without subclassing or modifying |
| /// the original class interface or implementation:-). Categories don't allow |
| /// you to add instance data. The following example adds "myMethod" to all |
| /// NSView's within a process: |
| /// |
| /// @interface NSView (MyViewMethods) |
| /// - myMethod; |
| /// @end |
| /// |
| /// Categories also allow you to split the implementation of a class across |
| /// several files (a feature more naturally supported in C++). |
| /// |
| /// Categories were originally inspired by dynamic languages such as Common |
| /// Lisp and Smalltalk. More traditional class-based languages (C++, Java) |
| /// don't support this level of dynamism, which is both powerful and dangerous. |
| /// |
| class ObjCCategoryDecl : public ObjCContainerDecl { |
| /// Interface belonging to this category |
| ObjCInterfaceDecl *ClassInterface; |
| |
| /// referenced protocols in this category. |
| ObjCProtocolList ReferencedProtocols; |
| |
| /// Next category belonging to this class. |
| /// FIXME: this should not be a singly-linked list. Move storage elsewhere. |
| ObjCCategoryDecl *NextClassCategory; |
| |
| /// \brief The location of the '@' in '@interface' |
| SourceLocation AtLoc; |
| |
| /// \brief The location of the category name in this declaration. |
| SourceLocation CategoryNameLoc; |
| |
| ObjCCategoryDecl(DeclContext *DC, SourceLocation AtLoc, |
| SourceLocation ClassNameLoc, SourceLocation CategoryNameLoc, |
| IdentifierInfo *Id) |
| : ObjCContainerDecl(ObjCCategory, DC, ClassNameLoc, Id), |
| ClassInterface(0), NextClassCategory(0), AtLoc(AtLoc), |
| CategoryNameLoc(CategoryNameLoc) { |
| } |
| public: |
| |
| static ObjCCategoryDecl *Create(ASTContext &C, DeclContext *DC, |
| SourceLocation AtLoc, |
| SourceLocation ClassNameLoc, |
| SourceLocation CategoryNameLoc, |
| IdentifierInfo *Id); |
| |
| ObjCInterfaceDecl *getClassInterface() { return ClassInterface; } |
| const ObjCInterfaceDecl *getClassInterface() const { return ClassInterface; } |
| void setClassInterface(ObjCInterfaceDecl *IDecl) { ClassInterface = IDecl; } |
| |
| ObjCCategoryImplDecl *getImplementation() const; |
| void setImplementation(ObjCCategoryImplDecl *ImplD); |
| |
| /// setProtocolList - Set the list of protocols that this interface |
| /// implements. |
| void setProtocolList(ObjCProtocolDecl *const*List, unsigned Num, |
| const SourceLocation *Locs, ASTContext &C) { |
| ReferencedProtocols.set(List, Num, Locs, C); |
| } |
| |
| const ObjCProtocolList &getReferencedProtocols() const { |
| return ReferencedProtocols; |
| } |
| |
| typedef ObjCProtocolList::iterator protocol_iterator; |
| protocol_iterator protocol_begin() const {return ReferencedProtocols.begin();} |
| protocol_iterator protocol_end() const { return ReferencedProtocols.end(); } |
| unsigned protocol_size() const { return ReferencedProtocols.size(); } |
| typedef ObjCProtocolList::loc_iterator protocol_loc_iterator; |
| protocol_loc_iterator protocol_loc_begin() const { |
| return ReferencedProtocols.loc_begin(); |
| } |
| protocol_loc_iterator protocol_loc_end() const { |
| return ReferencedProtocols.loc_end(); |
| } |
| |
| ObjCCategoryDecl *getNextClassCategory() const { return NextClassCategory; } |
| void setNextClassCategory(ObjCCategoryDecl *Cat) { |
| NextClassCategory = Cat; |
| } |
| void insertNextClassCategory() { |
| NextClassCategory = ClassInterface->getCategoryList(); |
| ClassInterface->setCategoryList(this); |
| } |
| |
| bool IsClassExtension() const { return getIdentifier() == 0; } |
| |
| typedef specific_decl_iterator<ObjCIvarDecl> ivar_iterator; |
| ivar_iterator ivar_begin() const { |
| return ivar_iterator(decls_begin()); |
| } |
| ivar_iterator ivar_end() const { |
| return ivar_iterator(decls_end()); |
| } |
| unsigned ivar_size() const { |
| return std::distance(ivar_begin(), ivar_end()); |
| } |
| bool ivar_empty() const { |
| return ivar_begin() == ivar_end(); |
| } |
| |
| SourceLocation getAtLoc() const { return AtLoc; } |
| void setAtLoc(SourceLocation At) { AtLoc = At; } |
| |
| SourceLocation getCategoryNameLoc() const { return CategoryNameLoc; } |
| void setCategoryNameLoc(SourceLocation Loc) { CategoryNameLoc = Loc; } |
| |
| virtual SourceRange getSourceRange() const { |
| return SourceRange(AtLoc, getAtEndRange().getEnd()); |
| } |
| |
| static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| static bool classof(const ObjCCategoryDecl *D) { return true; } |
| static bool classofKind(Kind K) { return K == ObjCCategory; } |
| }; |
| |
| class ObjCImplDecl : public ObjCContainerDecl { |
| /// Class interface for this class/category implementation |
| ObjCInterfaceDecl *ClassInterface; |
| |
| protected: |
| ObjCImplDecl(Kind DK, DeclContext *DC, SourceLocation L, |
| ObjCInterfaceDecl *classInterface) |
| : ObjCContainerDecl(DK, DC, L, |
| classInterface? classInterface->getIdentifier() : 0), |
| ClassInterface(classInterface) {} |
| |
| public: |
| virtual ~ObjCImplDecl() {} |
| |
| const ObjCInterfaceDecl *getClassInterface() const { return ClassInterface; } |
| ObjCInterfaceDecl *getClassInterface() { return ClassInterface; } |
| void setClassInterface(ObjCInterfaceDecl *IFace); |
| |
| void addInstanceMethod(ObjCMethodDecl *method) { |
| // FIXME: Context should be set correctly before we get here. |
| method->setLexicalDeclContext(this); |
| addDecl(method); |
| } |
| void addClassMethod(ObjCMethodDecl *method) { |
| // FIXME: Context should be set correctly before we get here. |
| method->setLexicalDeclContext(this); |
| addDecl(method); |
| } |
| |
| void addPropertyImplementation(ObjCPropertyImplDecl *property); |
| |
| ObjCPropertyImplDecl *FindPropertyImplDecl(IdentifierInfo *propertyId) const; |
| ObjCPropertyImplDecl *FindPropertyImplIvarDecl(IdentifierInfo *ivarId) const; |
| |
| // Iterator access to properties. |
| typedef specific_decl_iterator<ObjCPropertyImplDecl> propimpl_iterator; |
| propimpl_iterator propimpl_begin() const { |
| return propimpl_iterator(decls_begin()); |
| } |
| propimpl_iterator propimpl_end() const { |
| return propimpl_iterator(decls_end()); |
| } |
| |
| static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| static bool classof(const ObjCImplDecl *D) { return true; } |
| static bool classofKind(Kind K) { |
| return K >= ObjCImplFirst && K <= ObjCImplLast; |
| } |
| }; |
| |
| /// ObjCCategoryImplDecl - An object of this class encapsulates a category |
| /// @implementation declaration. If a category class has declaration of a |
| /// property, its implementation must be specified in the category's |
| /// @implementation declaration. Example: |
| /// @interface I @end |
| /// @interface I(CATEGORY) |
| /// @property int p1, d1; |
| /// @end |
| /// @implementation I(CATEGORY) |
| /// @dynamic p1,d1; |
| /// @end |
| /// |
| /// ObjCCategoryImplDecl |
| class ObjCCategoryImplDecl : public ObjCImplDecl { |
| // Category name |
| IdentifierInfo *Id; |
| |
| ObjCCategoryImplDecl(DeclContext *DC, SourceLocation L, IdentifierInfo *Id, |
| ObjCInterfaceDecl *classInterface) |
| : ObjCImplDecl(ObjCCategoryImpl, DC, L, classInterface), Id(Id) {} |
| public: |
| static ObjCCategoryImplDecl *Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L, IdentifierInfo *Id, |
| ObjCInterfaceDecl *classInterface); |
| |
| /// getIdentifier - Get the identifier that names the category |
| /// interface associated with this implementation. |
| /// FIXME: This is a bad API, we are overriding the NamedDecl::getIdentifier() |
| /// to mean something different. For example: |
| /// ((NamedDecl *)SomeCategoryImplDecl)->getIdentifier() |
| /// returns the class interface name, whereas |
| /// ((ObjCCategoryImplDecl *)SomeCategoryImplDecl)->getIdentifier() |
| /// returns the category name. |
| IdentifierInfo *getIdentifier() const { |
| return Id; |
| } |
| void setIdentifier(IdentifierInfo *II) { Id = II; } |
| |
| ObjCCategoryDecl *getCategoryDecl() const; |
| |
| /// getName - Get the name of identifier for the class interface associated |
| /// with this implementation as a StringRef. |
| // |
| // FIXME: This is a bad API, we are overriding the NamedDecl::getName, to mean |
| // something different. |
| llvm::StringRef getName() const { |
| return Id ? Id->getNameStart() : ""; |
| } |
| |
| /// getNameAsCString - Get the name of identifier for the class |
| /// interface associated with this implementation as a C string |
| /// (const char*). |
| // |
| // FIXME: Deprecated, move clients to getName(). |
| const char *getNameAsCString() const { |
| return Id ? Id->getNameStart() : ""; |
| } |
| |
| /// @brief Get the name of the class associated with this interface. |
| // |
| // FIXME: Deprecated, move clients to getName(). |
| std::string getNameAsString() const { |
| return getName(); |
| } |
| |
| static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| static bool classof(const ObjCCategoryImplDecl *D) { return true; } |
| static bool classofKind(Kind K) { return K == ObjCCategoryImpl;} |
| }; |
| |
| /// ObjCImplementationDecl - Represents a class definition - this is where |
| /// method definitions are specified. For example: |
| /// |
| /// @code |
| /// @implementation MyClass |
| /// - (void)myMethod { /* do something */ } |
| /// @end |
| /// @endcode |
| /// |
| /// Typically, instance variables are specified in the class interface, |
| /// *not* in the implementation. Nevertheless (for legacy reasons), we |
| /// allow instance variables to be specified in the implementation. When |
| /// specified, they need to be *identical* to the interface. |
| /// |
| class ObjCImplementationDecl : public ObjCImplDecl { |
| /// Implementation Class's super class. |
| ObjCInterfaceDecl *SuperClass; |
| |
| ObjCImplementationDecl(DeclContext *DC, SourceLocation L, |
| ObjCInterfaceDecl *classInterface, |
| ObjCInterfaceDecl *superDecl) |
| : ObjCImplDecl(ObjCImplementation, DC, L, classInterface), |
| SuperClass(superDecl){} |
| public: |
| static ObjCImplementationDecl *Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L, |
| ObjCInterfaceDecl *classInterface, |
| ObjCInterfaceDecl *superDecl); |
| |
| /// getIdentifier - Get the identifier that names the class |
| /// interface associated with this implementation. |
| IdentifierInfo *getIdentifier() const { |
| return getClassInterface()->getIdentifier(); |
| } |
| |
| /// getName - Get the name of identifier for the class interface associated |
| /// with this implementation as a StringRef. |
| // |
| // FIXME: This is a bad API, we are overriding the NamedDecl::getName, to mean |
| // something different. |
| llvm::StringRef getName() const { |
| assert(getIdentifier() && "Name is not a simple identifier"); |
| return getIdentifier()->getName(); |
| } |
| |
| /// getNameAsCString - Get the name of identifier for the class |
| /// interface associated with this implementation as a C string |
| /// (const char*). |
| // |
| // FIXME: Move to StringRef API. |
| const char *getNameAsCString() const { |
| return getName().data(); |
| } |
| |
| /// @brief Get the name of the class associated with this interface. |
| // |
| // FIXME: Move to StringRef API. |
| std::string getNameAsString() const { |
| return getName(); |
| } |
| |
| const ObjCInterfaceDecl *getSuperClass() const { return SuperClass; } |
| ObjCInterfaceDecl *getSuperClass() { return SuperClass; } |
| |
| void setSuperClass(ObjCInterfaceDecl * superCls) { SuperClass = superCls; } |
| |
| typedef specific_decl_iterator<ObjCIvarDecl> ivar_iterator; |
| ivar_iterator ivar_begin() const { |
| return ivar_iterator(decls_begin()); |
| } |
| ivar_iterator ivar_end() const { |
| return ivar_iterator(decls_end()); |
| } |
| unsigned ivar_size() const { |
| return std::distance(ivar_begin(), ivar_end()); |
| } |
| bool ivar_empty() const { |
| return ivar_begin() == ivar_end(); |
| } |
| |
| static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| static bool classof(const ObjCImplementationDecl *D) { return true; } |
| static bool classofKind(Kind K) { return K == ObjCImplementation; } |
| }; |
| |
| /// ObjCCompatibleAliasDecl - Represents alias of a class. This alias is |
| /// declared as @compatibility_alias alias class. |
| class ObjCCompatibleAliasDecl : public NamedDecl { |
| /// Class that this is an alias of. |
| ObjCInterfaceDecl *AliasedClass; |
| |
| ObjCCompatibleAliasDecl(DeclContext *DC, SourceLocation L, IdentifierInfo *Id, |
| ObjCInterfaceDecl* aliasedClass) |
| : NamedDecl(ObjCCompatibleAlias, DC, L, Id), AliasedClass(aliasedClass) {} |
| public: |
| static ObjCCompatibleAliasDecl *Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L, IdentifierInfo *Id, |
| ObjCInterfaceDecl* aliasedClass); |
| |
| const ObjCInterfaceDecl *getClassInterface() const { return AliasedClass; } |
| ObjCInterfaceDecl *getClassInterface() { return AliasedClass; } |
| void setClassInterface(ObjCInterfaceDecl *D) { AliasedClass = D; } |
| |
| static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| static bool classof(const ObjCCompatibleAliasDecl *D) { return true; } |
| static bool classofKind(Kind K) { return K == ObjCCompatibleAlias; } |
| |
| }; |
| |
| /// ObjCPropertyDecl - Represents one property declaration in an interface. |
| /// For example: |
| /// @property (assign, readwrite) int MyProperty; |
| /// |
| class ObjCPropertyDecl : public NamedDecl { |
| public: |
| enum PropertyAttributeKind { |
| OBJC_PR_noattr = 0x00, |
| OBJC_PR_readonly = 0x01, |
| OBJC_PR_getter = 0x02, |
| OBJC_PR_assign = 0x04, |
| OBJC_PR_readwrite = 0x08, |
| OBJC_PR_retain = 0x10, |
| OBJC_PR_copy = 0x20, |
| OBJC_PR_nonatomic = 0x40, |
| OBJC_PR_setter = 0x80 |
| }; |
| |
| enum SetterKind { Assign, Retain, Copy }; |
| enum PropertyControl { None, Required, Optional }; |
| private: |
| SourceLocation AtLoc; // location of @property |
| QualType DeclType; |
| unsigned PropertyAttributes : 8; |
| |
| // @required/@optional |
| unsigned PropertyImplementation : 2; |
| |
| Selector GetterName; // getter name of NULL if no getter |
| Selector SetterName; // setter name of NULL if no setter |
| |
| ObjCMethodDecl *GetterMethodDecl; // Declaration of getter instance method |
| ObjCMethodDecl *SetterMethodDecl; // Declaration of setter instance method |
| ObjCIvarDecl *PropertyIvarDecl; // Synthesize ivar for this property |
| |
| ObjCPropertyDecl(DeclContext *DC, SourceLocation L, IdentifierInfo *Id, |
| SourceLocation AtLocation, QualType T) |
| : NamedDecl(ObjCProperty, DC, L, Id), AtLoc(AtLocation), DeclType(T), |
| PropertyAttributes(OBJC_PR_noattr), PropertyImplementation(None), |
| GetterName(Selector()), |
| SetterName(Selector()), |
| GetterMethodDecl(0), SetterMethodDecl(0) , PropertyIvarDecl(0) {} |
| public: |
| static ObjCPropertyDecl *Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L, |
| IdentifierInfo *Id, SourceLocation AtLocation, |
| QualType T, |
| PropertyControl propControl = None); |
| SourceLocation getAtLoc() const { return AtLoc; } |
| void setAtLoc(SourceLocation L) { AtLoc = L; } |
| |
| QualType getType() const { return DeclType; } |
| void setType(QualType T) { DeclType = T; } |
| |
| PropertyAttributeKind getPropertyAttributes() const { |
| return PropertyAttributeKind(PropertyAttributes); |
| } |
| void setPropertyAttributes(PropertyAttributeKind PRVal) { |
| PropertyAttributes |= PRVal; |
| } |
| |
| void makeitReadWriteAttribute(void) { |
| PropertyAttributes &= ~OBJC_PR_readonly; |
| PropertyAttributes |= OBJC_PR_readwrite; |
| } |
| |
| // Helper methods for accessing attributes. |
| |
| /// isReadOnly - Return true iff the property has a setter. |
| bool isReadOnly() const { |
| return (PropertyAttributes & OBJC_PR_readonly); |
| } |
| |
| /// getSetterKind - Return the method used for doing assignment in |
| /// the property setter. This is only valid if the property has been |
| /// defined to have a setter. |
| SetterKind getSetterKind() const { |
| if (PropertyAttributes & OBJC_PR_retain) |
| return Retain; |
| if (PropertyAttributes & OBJC_PR_copy) |
| return Copy; |
| return Assign; |
| } |
| |
| Selector getGetterName() const { return GetterName; } |
| void setGetterName(Selector Sel) { GetterName = Sel; } |
| |
| Selector getSetterName() const { return SetterName; } |
| void setSetterName(Selector Sel) { SetterName = Sel; } |
| |
| ObjCMethodDecl *getGetterMethodDecl() const { return GetterMethodDecl; } |
| void setGetterMethodDecl(ObjCMethodDecl *gDecl) { GetterMethodDecl = gDecl; } |
| |
| ObjCMethodDecl *getSetterMethodDecl() const { return SetterMethodDecl; } |
| void setSetterMethodDecl(ObjCMethodDecl *gDecl) { SetterMethodDecl = gDecl; } |
| |
| // Related to @optional/@required declared in @protocol |
| void setPropertyImplementation(PropertyControl pc) { |
| PropertyImplementation = pc; |
| } |
| PropertyControl getPropertyImplementation() const { |
| return PropertyControl(PropertyImplementation); |
| } |
| |
| void setPropertyIvarDecl(ObjCIvarDecl *Ivar) { |
| PropertyIvarDecl = Ivar; |
| } |
| ObjCIvarDecl *getPropertyIvarDecl() const { |
| return PropertyIvarDecl; |
| } |
| |
| static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| static bool classof(const ObjCPropertyDecl *D) { return true; } |
| static bool classofKind(Kind K) { return K == ObjCProperty; } |
| }; |
| |
| /// ObjCPropertyImplDecl - Represents implementation declaration of a property |
| /// in a class or category implementation block. For example: |
| /// @synthesize prop1 = ivar1; |
| /// |
| class ObjCPropertyImplDecl : public Decl { |
| public: |
| enum Kind { |
| Synthesize, |
| Dynamic |
| }; |
| private: |
| SourceLocation AtLoc; // location of @synthesize or @dynamic |
| /// Property declaration being implemented |
| ObjCPropertyDecl *PropertyDecl; |
| |
| /// Null for @dynamic. Required for @synthesize. |
| ObjCIvarDecl *PropertyIvarDecl; |
| |
| ObjCPropertyImplDecl(DeclContext *DC, SourceLocation atLoc, SourceLocation L, |
| ObjCPropertyDecl *property, |
| Kind PK, |
| ObjCIvarDecl *ivarDecl) |
| : Decl(ObjCPropertyImpl, DC, L), AtLoc(atLoc), |
| PropertyDecl(property), PropertyIvarDecl(ivarDecl) { |
| assert (PK == Dynamic || PropertyIvarDecl); |
| } |
| |
| public: |
| static ObjCPropertyImplDecl *Create(ASTContext &C, DeclContext *DC, |
| SourceLocation atLoc, SourceLocation L, |
| ObjCPropertyDecl *property, |
| Kind PK, |
| ObjCIvarDecl *ivarDecl); |
| |
| virtual SourceRange getSourceRange() const { |
| return SourceRange(AtLoc, getLocation()); |
| } |
| SourceLocation getLocStart() const { return AtLoc; } |
| void setAtLoc(SourceLocation Loc) { AtLoc = Loc; } |
| |
| ObjCPropertyDecl *getPropertyDecl() const { |
| return PropertyDecl; |
| } |
| void setPropertyDecl(ObjCPropertyDecl *Prop) { PropertyDecl = Prop; } |
| |
| Kind getPropertyImplementation() const { |
| return PropertyIvarDecl ? Synthesize : Dynamic; |
| } |
| |
| ObjCIvarDecl *getPropertyIvarDecl() const { |
| return PropertyIvarDecl; |
| } |
| void setPropertyIvarDecl(ObjCIvarDecl *Ivar) { PropertyIvarDecl = Ivar; } |
| |
| static bool classof(const Decl *D) { return classofKind(D->getKind()); } |
| static bool classof(const ObjCPropertyImplDecl *D) { return true; } |
| static bool classofKind(Decl::Kind K) { return K == ObjCPropertyImpl; } |
| }; |
| |
| } // end namespace clang |
| #endif |