| //===--- DeclObjC.cpp - ObjC Declaration AST Node Implementation ----------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements the Objective-C related Decl classes. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang/AST/DeclObjC.h" |
| #include "clang/AST/ASTContext.h" |
| #include "clang/AST/Stmt.h" |
| #include "llvm/ADT/STLExtras.h" |
| using namespace clang; |
| |
| //===----------------------------------------------------------------------===// |
| // ObjCListBase |
| //===----------------------------------------------------------------------===// |
| |
| void ObjCListBase::Destroy(ASTContext &Ctx) { |
| Ctx.Deallocate(List); |
| NumElts = 0; |
| List = 0; |
| } |
| |
| void ObjCListBase::set(void *const* InList, unsigned Elts, ASTContext &Ctx) { |
| assert(List == 0 && "Elements already set!"); |
| if (Elts == 0) return; // Setting to an empty list is a noop. |
| |
| |
| List = new (Ctx) void*[Elts]; |
| NumElts = Elts; |
| memcpy(List, InList, sizeof(void*)*Elts); |
| } |
| |
| |
| //===----------------------------------------------------------------------===// |
| // ObjCInterfaceDecl |
| //===----------------------------------------------------------------------===// |
| |
| // Get the local instance method declared in this interface. |
| ObjCMethodDecl * |
| ObjCContainerDecl::getInstanceMethod(ASTContext &Context, Selector Sel) const { |
| // Since instance & class methods can have the same name, the loop below |
| // ensures we get the correct method. |
| // |
| // @interface Whatever |
| // - (int) class_method; |
| // + (float) class_method; |
| // @end |
| // |
| lookup_const_iterator Meth, MethEnd; |
| for (llvm::tie(Meth, MethEnd) = lookup(Context, Sel); |
| Meth != MethEnd; ++Meth) { |
| ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(*Meth); |
| if (MD && MD->isInstanceMethod()) |
| return MD; |
| } |
| return 0; |
| } |
| |
| // Get the local class method declared in this interface. |
| ObjCMethodDecl * |
| ObjCContainerDecl::getClassMethod(ASTContext &Context, Selector Sel) const { |
| // Since instance & class methods can have the same name, the loop below |
| // ensures we get the correct method. |
| // |
| // @interface Whatever |
| // - (int) class_method; |
| // + (float) class_method; |
| // @end |
| // |
| lookup_const_iterator Meth, MethEnd; |
| for (llvm::tie(Meth, MethEnd) = lookup(Context, Sel); |
| Meth != MethEnd; ++Meth) { |
| ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(*Meth); |
| if (MD && MD->isClassMethod()) |
| return MD; |
| } |
| return 0; |
| } |
| |
| /// FindPropertyDeclaration - Finds declaration of the property given its name |
| /// in 'PropertyId' and returns it. It returns 0, if not found. |
| /// FIXME: Convert to DeclContext lookup... |
| /// |
| ObjCPropertyDecl * |
| ObjCContainerDecl::FindPropertyDeclaration(ASTContext &Context, |
| IdentifierInfo *PropertyId) const { |
| for (prop_iterator I = prop_begin(Context), E = prop_end(Context); |
| I != E; ++I) |
| if ((*I)->getIdentifier() == PropertyId) |
| return *I; |
| |
| const ObjCProtocolDecl *PID = dyn_cast<ObjCProtocolDecl>(this); |
| if (PID) { |
| for (ObjCProtocolDecl::protocol_iterator I = PID->protocol_begin(), |
| E = PID->protocol_end(); I != E; ++I) |
| if (ObjCPropertyDecl *P = (*I)->FindPropertyDeclaration(Context, |
| PropertyId)) |
| return P; |
| } |
| |
| if (const ObjCInterfaceDecl *OID = dyn_cast<ObjCInterfaceDecl>(this)) { |
| // Look through categories. |
| for (ObjCCategoryDecl *Category = OID->getCategoryList(); |
| Category; Category = Category->getNextClassCategory()) { |
| if (ObjCPropertyDecl *P = Category->FindPropertyDeclaration(Context, |
| PropertyId)) |
| return P; |
| } |
| // Look through protocols. |
| for (ObjCInterfaceDecl::protocol_iterator I = OID->protocol_begin(), |
| E = OID->protocol_end(); I != E; ++I) { |
| if (ObjCPropertyDecl *P = (*I)->FindPropertyDeclaration(Context, |
| PropertyId)) |
| return P; |
| } |
| if (OID->getSuperClass()) |
| return OID->getSuperClass()->FindPropertyDeclaration(Context, |
| PropertyId); |
| } else if (const ObjCCategoryDecl *OCD = dyn_cast<ObjCCategoryDecl>(this)) { |
| // Look through protocols. |
| for (ObjCInterfaceDecl::protocol_iterator I = OCD->protocol_begin(), |
| E = OCD->protocol_end(); I != E; ++I) { |
| if (ObjCPropertyDecl *P = (*I)->FindPropertyDeclaration(Context, |
| PropertyId)) |
| return P; |
| } |
| } |
| return 0; |
| } |
| |
| ObjCIvarDecl *ObjCInterfaceDecl::lookupInstanceVariable( |
| ASTContext &Context, IdentifierInfo *ID, ObjCInterfaceDecl *&clsDeclared) { |
| ObjCInterfaceDecl* ClassDecl = this; |
| while (ClassDecl != NULL) { |
| for (ivar_iterator I = ClassDecl->ivar_begin(), E = ClassDecl->ivar_end(); |
| I != E; ++I) { |
| if ((*I)->getIdentifier() == ID) { |
| clsDeclared = ClassDecl; |
| return *I; |
| } |
| } |
| // look into properties. |
| for (ObjCInterfaceDecl::prop_iterator I = ClassDecl->prop_begin(Context), |
| E = ClassDecl->prop_end(Context); I != E; ++I) { |
| ObjCPropertyDecl *PDecl = (*I); |
| if (ObjCIvarDecl *IV = PDecl->getPropertyIvarDecl()) |
| if (IV->getIdentifier() == ID) { |
| clsDeclared = ClassDecl; |
| return IV; |
| } |
| } |
| ClassDecl = ClassDecl->getSuperClass(); |
| } |
| return NULL; |
| } |
| |
| /// lookupInstanceMethod - This method returns an instance method by looking in |
| /// the class, its categories, and its super classes (using a linear search). |
| ObjCMethodDecl *ObjCInterfaceDecl::lookupInstanceMethod(ASTContext &Context, |
| Selector Sel) { |
| ObjCInterfaceDecl* ClassDecl = this; |
| ObjCMethodDecl *MethodDecl = 0; |
| |
| while (ClassDecl != NULL) { |
| if ((MethodDecl = ClassDecl->getInstanceMethod(Context, Sel))) |
| return MethodDecl; |
| |
| // Didn't find one yet - look through protocols. |
| const ObjCList<ObjCProtocolDecl> &Protocols = |
| ClassDecl->getReferencedProtocols(); |
| for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(), |
| E = Protocols.end(); I != E; ++I) |
| if ((MethodDecl = (*I)->lookupInstanceMethod(Context, Sel))) |
| return MethodDecl; |
| |
| // Didn't find one yet - now look through categories. |
| ObjCCategoryDecl *CatDecl = ClassDecl->getCategoryList(); |
| while (CatDecl) { |
| if ((MethodDecl = CatDecl->getInstanceMethod(Context, Sel))) |
| return MethodDecl; |
| |
| // Didn't find one yet - look through protocols. |
| const ObjCList<ObjCProtocolDecl> &Protocols = |
| CatDecl->getReferencedProtocols(); |
| for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(), |
| E = Protocols.end(); I != E; ++I) |
| if ((MethodDecl = (*I)->lookupInstanceMethod(Context, Sel))) |
| return MethodDecl; |
| CatDecl = CatDecl->getNextClassCategory(); |
| } |
| ClassDecl = ClassDecl->getSuperClass(); |
| } |
| return NULL; |
| } |
| |
| // lookupClassMethod - This method returns a class method by looking in the |
| // class, its categories, and its super classes (using a linear search). |
| ObjCMethodDecl *ObjCInterfaceDecl::lookupClassMethod(ASTContext &Context, |
| Selector Sel) { |
| ObjCInterfaceDecl* ClassDecl = this; |
| ObjCMethodDecl *MethodDecl = 0; |
| |
| while (ClassDecl != NULL) { |
| if ((MethodDecl = ClassDecl->getClassMethod(Context, Sel))) |
| return MethodDecl; |
| |
| // Didn't find one yet - look through protocols. |
| for (ObjCInterfaceDecl::protocol_iterator I = ClassDecl->protocol_begin(), |
| E = ClassDecl->protocol_end(); I != E; ++I) |
| if ((MethodDecl = (*I)->lookupClassMethod(Context, Sel))) |
| return MethodDecl; |
| |
| // Didn't find one yet - now look through categories. |
| ObjCCategoryDecl *CatDecl = ClassDecl->getCategoryList(); |
| while (CatDecl) { |
| if ((MethodDecl = CatDecl->getClassMethod(Context, Sel))) |
| return MethodDecl; |
| |
| // Didn't find one yet - look through protocols. |
| const ObjCList<ObjCProtocolDecl> &Protocols = |
| CatDecl->getReferencedProtocols(); |
| for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(), |
| E = Protocols.end(); I != E; ++I) |
| if ((MethodDecl = (*I)->lookupClassMethod(Context, Sel))) |
| return MethodDecl; |
| CatDecl = CatDecl->getNextClassCategory(); |
| } |
| ClassDecl = ClassDecl->getSuperClass(); |
| } |
| return NULL; |
| } |
| |
| |
| |
| //===----------------------------------------------------------------------===// |
| // ObjCMethodDecl |
| //===----------------------------------------------------------------------===// |
| |
| ObjCMethodDecl *ObjCMethodDecl::Create(ASTContext &C, |
| SourceLocation beginLoc, |
| SourceLocation endLoc, |
| Selector SelInfo, QualType T, |
| DeclContext *contextDecl, |
| bool isInstance, |
| bool isVariadic, |
| bool isSynthesized, |
| ImplementationControl impControl) { |
| return new (C) ObjCMethodDecl(beginLoc, endLoc, |
| SelInfo, T, contextDecl, |
| isInstance, |
| isVariadic, isSynthesized, impControl); |
| } |
| |
| void ObjCMethodDecl::Destroy(ASTContext &C) { |
| if (Body) Body->Destroy(C); |
| if (SelfDecl) SelfDecl->Destroy(C); |
| |
| for (param_iterator I=param_begin(), E=param_end(); I!=E; ++I) |
| if (*I) (*I)->Destroy(C); |
| |
| ParamInfo.Destroy(C); |
| |
| Decl::Destroy(C); |
| } |
| |
| void ObjCMethodDecl::createImplicitParams(ASTContext &Context, |
| const ObjCInterfaceDecl *OID) { |
| QualType selfTy; |
| if (isInstanceMethod()) { |
| // There may be no interface context due to error in declaration |
| // of the interface (which has been reported). Recover gracefully. |
| if (OID) { |
| selfTy = Context.getObjCInterfaceType(OID); |
| selfTy = Context.getPointerType(selfTy); |
| } else { |
| selfTy = Context.getObjCIdType(); |
| } |
| } else // we have a factory method. |
| selfTy = Context.getObjCClassType(); |
| |
| setSelfDecl(ImplicitParamDecl::Create(Context, this, SourceLocation(), |
| &Context.Idents.get("self"), selfTy)); |
| |
| setCmdDecl(ImplicitParamDecl::Create(Context, this, SourceLocation(), |
| &Context.Idents.get("_cmd"), |
| Context.getObjCSelType())); |
| } |
| |
| |
| |
| /// getSynthesizedMethodSize - Compute size of synthesized method name |
| /// as done be the rewrite. |
| /// |
| unsigned ObjCMethodDecl::getSynthesizedMethodSize() const { |
| // syntesized method name is a concatenation of -/+[class-name selector] |
| // Get length of this name. |
| unsigned length = 3; // _I_ or _C_ |
| length += getClassInterface()->getNameAsString().size()+1; // extra for _ |
| if (const ObjCCategoryImplDecl *CID = |
| dyn_cast<ObjCCategoryImplDecl>(getDeclContext())) |
| length += CID->getNameAsString().size()+1; |
| length += getSelector().getAsString().size(); // selector name |
| return length; |
| } |
| |
| ObjCInterfaceDecl *ObjCMethodDecl::getClassInterface() { |
| if (ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(getDeclContext())) |
| return ID; |
| if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(getDeclContext())) |
| return CD->getClassInterface(); |
| if (ObjCImplementationDecl *IMD = |
| dyn_cast<ObjCImplementationDecl>(getDeclContext())) |
| return IMD->getClassInterface(); |
| if (ObjCCategoryImplDecl *CID = |
| dyn_cast<ObjCCategoryImplDecl>(getDeclContext())) |
| return CID->getClassInterface(); |
| assert(false && "unknown method context"); |
| return 0; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // ObjCInterfaceDecl |
| //===----------------------------------------------------------------------===// |
| |
| ObjCInterfaceDecl *ObjCInterfaceDecl::Create(ASTContext &C, |
| DeclContext *DC, |
| SourceLocation atLoc, |
| IdentifierInfo *Id, |
| SourceLocation ClassLoc, |
| bool ForwardDecl, bool isInternal){ |
| return new (C) ObjCInterfaceDecl(DC, atLoc, Id, ClassLoc, ForwardDecl, |
| isInternal); |
| } |
| |
| ObjCInterfaceDecl:: |
| ObjCInterfaceDecl(DeclContext *DC, SourceLocation atLoc, IdentifierInfo *Id, |
| SourceLocation CLoc, bool FD, bool isInternal) |
| : ObjCContainerDecl(ObjCInterface, DC, atLoc, Id), |
| TypeForDecl(0), SuperClass(0), |
| CategoryList(0), ForwardDecl(FD), InternalInterface(isInternal), |
| ClassLoc(CLoc) { |
| } |
| |
| void ObjCInterfaceDecl::Destroy(ASTContext &C) { |
| for (ivar_iterator I = ivar_begin(), E = ivar_end(); I != E; ++I) |
| if (*I) (*I)->Destroy(C); |
| |
| IVars.Destroy(C); |
| // FIXME: CategoryList? |
| |
| // FIXME: Because there is no clear ownership |
| // role between ObjCInterfaceDecls and the ObjCPropertyDecls that they |
| // reference, we destroy ObjCPropertyDecls in ~TranslationUnit. |
| Decl::Destroy(C); |
| } |
| |
| |
| /// FindCategoryDeclaration - Finds category declaration in the list of |
| /// categories for this class and returns it. Name of the category is passed |
| /// in 'CategoryId'. If category not found, return 0; |
| /// |
| ObjCCategoryDecl * |
| ObjCInterfaceDecl::FindCategoryDeclaration(IdentifierInfo *CategoryId) const { |
| for (ObjCCategoryDecl *Category = getCategoryList(); |
| Category; Category = Category->getNextClassCategory()) |
| if (Category->getIdentifier() == CategoryId) |
| return Category; |
| return 0; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // ObjCIvarDecl |
| //===----------------------------------------------------------------------===// |
| |
| ObjCIvarDecl *ObjCIvarDecl::Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L, IdentifierInfo *Id, |
| QualType T, AccessControl ac, Expr *BW) { |
| return new (C) ObjCIvarDecl(DC, L, Id, T, ac, BW); |
| } |
| |
| |
| |
| //===----------------------------------------------------------------------===// |
| // ObjCAtDefsFieldDecl |
| //===----------------------------------------------------------------------===// |
| |
| ObjCAtDefsFieldDecl |
| *ObjCAtDefsFieldDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, |
| IdentifierInfo *Id, QualType T, Expr *BW) { |
| return new (C) ObjCAtDefsFieldDecl(DC, L, Id, T, BW); |
| } |
| |
| void ObjCAtDefsFieldDecl::Destroy(ASTContext& C) { |
| this->~ObjCAtDefsFieldDecl(); |
| C.Deallocate((void *)this); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // ObjCProtocolDecl |
| //===----------------------------------------------------------------------===// |
| |
| ObjCProtocolDecl *ObjCProtocolDecl::Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L, |
| IdentifierInfo *Id) { |
| return new (C) ObjCProtocolDecl(DC, L, Id); |
| } |
| |
| void ObjCProtocolDecl::Destroy(ASTContext &C) { |
| ReferencedProtocols.Destroy(C); |
| ObjCContainerDecl::Destroy(C); |
| } |
| |
| ObjCProtocolDecl *ObjCProtocolDecl::lookupProtocolNamed(IdentifierInfo *Name) { |
| ObjCProtocolDecl *PDecl = this; |
| |
| if (Name == getIdentifier()) |
| return PDecl; |
| |
| for (protocol_iterator I = protocol_begin(), E = protocol_end(); I != E; ++I) |
| if ((PDecl = (*I)->lookupProtocolNamed(Name))) |
| return PDecl; |
| |
| return NULL; |
| } |
| |
| // lookupInstanceMethod - Lookup a instance method in the protocol and protocols |
| // it inherited. |
| ObjCMethodDecl *ObjCProtocolDecl::lookupInstanceMethod(ASTContext &Context, |
| Selector Sel) { |
| ObjCMethodDecl *MethodDecl = NULL; |
| |
| if ((MethodDecl = getInstanceMethod(Context, Sel))) |
| return MethodDecl; |
| |
| for (protocol_iterator I = protocol_begin(), E = protocol_end(); I != E; ++I) |
| if ((MethodDecl = (*I)->lookupInstanceMethod(Context, Sel))) |
| return MethodDecl; |
| return NULL; |
| } |
| |
| // lookupInstanceMethod - Lookup a class method in the protocol and protocols |
| // it inherited. |
| ObjCMethodDecl *ObjCProtocolDecl::lookupClassMethod(ASTContext &Context, |
| Selector Sel) { |
| ObjCMethodDecl *MethodDecl = NULL; |
| |
| if ((MethodDecl = getClassMethod(Context, Sel))) |
| return MethodDecl; |
| |
| for (protocol_iterator I = protocol_begin(), E = protocol_end(); I != E; ++I) |
| if ((MethodDecl = (*I)->lookupClassMethod(Context, Sel))) |
| return MethodDecl; |
| return NULL; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // ObjCClassDecl |
| //===----------------------------------------------------------------------===// |
| |
| ObjCClassDecl::ObjCClassDecl(DeclContext *DC, SourceLocation L, |
| ObjCInterfaceDecl *const *Elts, unsigned nElts, |
| ASTContext &C) |
| : Decl(ObjCClass, DC, L) { |
| ForwardDecls.set(Elts, nElts, C); |
| } |
| |
| |
| ObjCClassDecl *ObjCClassDecl::Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L, |
| ObjCInterfaceDecl *const *Elts, |
| unsigned nElts) { |
| return new (C) ObjCClassDecl(DC, L, Elts, nElts, C); |
| } |
| |
| void ObjCClassDecl::Destroy(ASTContext &C) { |
| |
| // FIXME: There is no clear ownership policy now for referenced |
| // ObjCInterfaceDecls. Some of them can be forward declarations that |
| // are never later defined (in which case the ObjCClassDecl owns them) |
| // or the ObjCInterfaceDecl later becomes a real definition later. Ideally |
| // we should have separate objects for forward declarations and definitions, |
| // obviating this problem. Because of this situation, referenced |
| // ObjCInterfaceDecls are destroyed in ~TranslationUnit. |
| |
| ForwardDecls.Destroy(C); |
| Decl::Destroy(C); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // ObjCForwardProtocolDecl |
| //===----------------------------------------------------------------------===// |
| |
| ObjCForwardProtocolDecl:: |
| ObjCForwardProtocolDecl(DeclContext *DC, SourceLocation L, |
| ObjCProtocolDecl *const *Elts, unsigned nElts, |
| ASTContext &C) |
| : Decl(ObjCForwardProtocol, DC, L) { |
| ReferencedProtocols.set(Elts, nElts, C); |
| } |
| |
| |
| ObjCForwardProtocolDecl * |
| ObjCForwardProtocolDecl::Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L, |
| ObjCProtocolDecl *const *Elts, |
| unsigned NumElts) { |
| return new (C) ObjCForwardProtocolDecl(DC, L, Elts, NumElts, C); |
| } |
| |
| void ObjCForwardProtocolDecl::Destroy(ASTContext &C) { |
| ReferencedProtocols.Destroy(C); |
| Decl::Destroy(C); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // ObjCCategoryDecl |
| //===----------------------------------------------------------------------===// |
| |
| ObjCCategoryDecl *ObjCCategoryDecl::Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L, |
| IdentifierInfo *Id) { |
| return new (C) ObjCCategoryDecl(DC, L, Id); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // ObjCCategoryImplDecl |
| //===----------------------------------------------------------------------===// |
| |
| ObjCCategoryImplDecl * |
| ObjCCategoryImplDecl::Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L,IdentifierInfo *Id, |
| ObjCInterfaceDecl *ClassInterface) { |
| return new (C) ObjCCategoryImplDecl(DC, L, Id, ClassInterface); |
| } |
| |
| |
| void ObjCImplDecl::addPropertyImplementation(ASTContext &Context, |
| ObjCPropertyImplDecl *property) { |
| // FIXME: The context should be correct before we get here. |
| property->setLexicalDeclContext(this); |
| addDecl(Context, property); |
| } |
| |
| /// FindPropertyImplIvarDecl - This method lookup the ivar in the list of |
| /// properties implemented in this category @implementation block and returns |
| /// the implemented property that uses it. |
| /// |
| ObjCPropertyImplDecl *ObjCImplDecl:: |
| FindPropertyImplIvarDecl(ASTContext &Context, IdentifierInfo *ivarId) const { |
| for (propimpl_iterator i = propimpl_begin(Context), e = propimpl_end(Context); |
| i != e; ++i){ |
| ObjCPropertyImplDecl *PID = *i; |
| if (PID->getPropertyIvarDecl() && |
| PID->getPropertyIvarDecl()->getIdentifier() == ivarId) |
| return PID; |
| } |
| return 0; |
| } |
| |
| /// FindPropertyImplDecl - This method looks up a previous ObjCPropertyImplDecl |
| /// added to the list of those properties @synthesized/@dynamic in this |
| /// category @implementation block. |
| /// |
| ObjCPropertyImplDecl *ObjCImplDecl:: |
| FindPropertyImplDecl(ASTContext &Context, IdentifierInfo *Id) const { |
| for (propimpl_iterator i = propimpl_begin(Context), e = propimpl_end(Context); |
| i != e; ++i){ |
| ObjCPropertyImplDecl *PID = *i; |
| if (PID->getPropertyDecl()->getIdentifier() == Id) |
| return PID; |
| } |
| return 0; |
| } |
| |
| // getInstanceMethod - This method returns an instance method by looking in |
| // the class implementation. Unlike interfaces, we don't look outside the |
| // implementation. |
| ObjCMethodDecl *ObjCImplDecl::getInstanceMethod(ASTContext &Context, |
| Selector Sel) const { |
| // Since instance & class methods can have the same name, the loop below |
| // ensures we get the correct method. |
| // |
| // @interface Whatever |
| // - (int) class_method; |
| // + (float) class_method; |
| // @end |
| // |
| lookup_const_iterator Meth, MethEnd; |
| for (llvm::tie(Meth, MethEnd) = lookup(Context, Sel); |
| Meth != MethEnd; ++Meth) { |
| ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(*Meth); |
| if (MD && MD->isInstanceMethod()) |
| return MD; |
| } |
| return 0; |
| } |
| |
| // getClassMethod - This method returns an instance method by looking in |
| // the class implementation. Unlike interfaces, we don't look outside the |
| // implementation. |
| ObjCMethodDecl *ObjCImplDecl::getClassMethod(ASTContext &Context, |
| Selector Sel) const { |
| // Since instance & class methods can have the same name, the loop below |
| // ensures we get the correct method. |
| // |
| // @interface Whatever |
| // - (int) class_method; |
| // + (float) class_method; |
| // @end |
| // |
| lookup_const_iterator Meth, MethEnd; |
| for (llvm::tie(Meth, MethEnd) = lookup(Context, Sel); |
| Meth != MethEnd; ++Meth) { |
| ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(*Meth); |
| if (MD && MD->isClassMethod()) |
| return MD; |
| } |
| return 0; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // ObjCImplementationDecl |
| //===----------------------------------------------------------------------===// |
| |
| ObjCImplementationDecl * |
| ObjCImplementationDecl::Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L, |
| ObjCInterfaceDecl *ClassInterface, |
| ObjCInterfaceDecl *SuperDecl) { |
| return new (C) ObjCImplementationDecl(DC, L, ClassInterface, SuperDecl); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // ObjCCompatibleAliasDecl |
| //===----------------------------------------------------------------------===// |
| |
| ObjCCompatibleAliasDecl * |
| ObjCCompatibleAliasDecl::Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L, |
| IdentifierInfo *Id, |
| ObjCInterfaceDecl* AliasedClass) { |
| return new (C) ObjCCompatibleAliasDecl(DC, L, Id, AliasedClass); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // ObjCPropertyDecl |
| //===----------------------------------------------------------------------===// |
| |
| ObjCPropertyDecl *ObjCPropertyDecl::Create(ASTContext &C, DeclContext *DC, |
| SourceLocation L, |
| IdentifierInfo *Id, |
| QualType T, |
| PropertyControl propControl) { |
| return new (C) ObjCPropertyDecl(DC, L, Id, T); |
| } |
| |
| |
| //===----------------------------------------------------------------------===// |
| // ObjCPropertyImplDecl |
| //===----------------------------------------------------------------------===// |
| |
| ObjCPropertyImplDecl *ObjCPropertyImplDecl::Create(ASTContext &C, |
| DeclContext *DC, |
| SourceLocation atLoc, |
| SourceLocation L, |
| ObjCPropertyDecl *property, |
| Kind PK, |
| ObjCIvarDecl *ivar) { |
| return new (C) ObjCPropertyImplDecl(DC, atLoc, L, property, PK, ivar); |
| } |
| |
| |