2044 lines
74 KiB
C++
2044 lines
74 KiB
C++
//===--- DeclObjC.h - Classes for representing declarations -----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the DeclObjC interface and subclasses.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_AST_DECLOBJC_H
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#define LLVM_CLANG_AST_DECLOBJC_H
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#include "clang/AST/Decl.h"
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#include "clang/AST/SelectorLocationsKind.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/Support/Compiler.h"
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namespace clang {
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class Expr;
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class Stmt;
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class FunctionDecl;
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class RecordDecl;
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class ObjCIvarDecl;
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class ObjCMethodDecl;
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class ObjCProtocolDecl;
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class ObjCCategoryDecl;
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class ObjCPropertyDecl;
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class ObjCPropertyImplDecl;
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class CXXCtorInitializer;
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class ObjCListBase {
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ObjCListBase(const ObjCListBase &) LLVM_DELETED_FUNCTION;
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void operator=(const ObjCListBase &) LLVM_DELETED_FUNCTION;
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protected:
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/// List is an array of pointers to objects that are not owned by this object.
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void **List;
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unsigned NumElts;
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public:
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ObjCListBase() : List(0), NumElts(0) {}
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unsigned size() const { return NumElts; }
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bool empty() const { return NumElts == 0; }
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protected:
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void set(void *const* InList, unsigned Elts, ASTContext &Ctx);
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};
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/// ObjCList - This is a simple template class used to hold various lists of
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/// decls etc, which is heavily used by the ObjC front-end. This only use case
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/// this supports is setting the list all at once and then reading elements out
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/// of it.
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template <typename T>
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class ObjCList : public ObjCListBase {
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public:
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void set(T* const* InList, unsigned Elts, ASTContext &Ctx) {
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ObjCListBase::set(reinterpret_cast<void*const*>(InList), Elts, Ctx);
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}
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typedef T* const * iterator;
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iterator begin() const { return (iterator)List; }
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iterator end() const { return (iterator)List+NumElts; }
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T* operator[](unsigned Idx) const {
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assert(Idx < NumElts && "Invalid access");
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return (T*)List[Idx];
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}
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};
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/// \brief A list of Objective-C protocols, along with the source
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/// locations at which they were referenced.
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class ObjCProtocolList : public ObjCList<ObjCProtocolDecl> {
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SourceLocation *Locations;
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using ObjCList<ObjCProtocolDecl>::set;
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public:
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ObjCProtocolList() : ObjCList<ObjCProtocolDecl>(), Locations(0) { }
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typedef const SourceLocation *loc_iterator;
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loc_iterator loc_begin() const { return Locations; }
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loc_iterator loc_end() const { return Locations + size(); }
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void set(ObjCProtocolDecl* const* InList, unsigned Elts,
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const SourceLocation *Locs, ASTContext &Ctx);
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};
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/// ObjCMethodDecl - Represents an instance or class method declaration.
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/// ObjC methods can be declared within 4 contexts: class interfaces,
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/// categories, protocols, and class implementations. While C++ member
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/// functions leverage C syntax, Objective-C method syntax is modeled after
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/// Smalltalk (using colons to specify argument types/expressions).
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/// Here are some brief examples:
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///
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/// Setter/getter instance methods:
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/// - (void)setMenu:(NSMenu *)menu;
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/// - (NSMenu *)menu;
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///
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/// Instance method that takes 2 NSView arguments:
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/// - (void)replaceSubview:(NSView *)oldView with:(NSView *)newView;
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///
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/// Getter class method:
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/// + (NSMenu *)defaultMenu;
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///
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/// A selector represents a unique name for a method. The selector names for
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/// the above methods are setMenu:, menu, replaceSubview:with:, and defaultMenu.
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///
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class ObjCMethodDecl : public NamedDecl, public DeclContext {
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public:
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enum ImplementationControl { None, Required, Optional };
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private:
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// The conventional meaning of this method; an ObjCMethodFamily.
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// This is not serialized; instead, it is computed on demand and
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// cached.
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mutable unsigned Family : ObjCMethodFamilyBitWidth;
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/// instance (true) or class (false) method.
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unsigned IsInstance : 1;
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unsigned IsVariadic : 1;
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/// True if this method is the getter or setter for an explicit property.
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unsigned IsPropertyAccessor : 1;
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// Method has a definition.
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unsigned IsDefined : 1;
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/// \brief Method redeclaration in the same interface.
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unsigned IsRedeclaration : 1;
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/// \brief Is redeclared in the same interface.
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mutable unsigned HasRedeclaration : 1;
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// NOTE: VC++ treats enums as signed, avoid using ImplementationControl enum
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/// \@required/\@optional
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unsigned DeclImplementation : 2;
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// NOTE: VC++ treats enums as signed, avoid using the ObjCDeclQualifier enum
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/// in, inout, etc.
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unsigned objcDeclQualifier : 6;
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/// \brief Indicates whether this method has a related result type.
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unsigned RelatedResultType : 1;
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/// \brief Whether the locations of the selector identifiers are in a
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/// "standard" position, a enum SelectorLocationsKind.
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unsigned SelLocsKind : 2;
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/// \brief Whether this method overrides any other in the class hierarchy.
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///
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/// A method is said to override any method in the class's
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/// base classes, its protocols, or its categories' protocols, that has
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/// the same selector and is of the same kind (class or instance).
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/// A method in an implementation is not considered as overriding the same
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/// method in the interface or its categories.
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unsigned IsOverriding : 1;
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// Result type of this method.
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QualType MethodDeclType;
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// Type source information for the result type.
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TypeSourceInfo *ResultTInfo;
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/// \brief Array of ParmVarDecls for the formal parameters of this method
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/// and optionally followed by selector locations.
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void *ParamsAndSelLocs;
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unsigned NumParams;
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/// List of attributes for this method declaration.
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SourceLocation DeclEndLoc; // the location of the ';' or '{'.
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// The following are only used for method definitions, null otherwise.
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LazyDeclStmtPtr Body;
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/// SelfDecl - Decl for the implicit self parameter. This is lazily
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/// constructed by createImplicitParams.
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ImplicitParamDecl *SelfDecl;
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/// CmdDecl - Decl for the implicit _cmd parameter. This is lazily
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/// constructed by createImplicitParams.
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ImplicitParamDecl *CmdDecl;
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SelectorLocationsKind getSelLocsKind() const {
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return (SelectorLocationsKind)SelLocsKind;
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}
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bool hasStandardSelLocs() const {
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return getSelLocsKind() != SelLoc_NonStandard;
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}
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/// \brief Get a pointer to the stored selector identifiers locations array.
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/// No locations will be stored if HasStandardSelLocs is true.
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SourceLocation *getStoredSelLocs() {
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return reinterpret_cast<SourceLocation*>(getParams() + NumParams);
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}
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const SourceLocation *getStoredSelLocs() const {
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return reinterpret_cast<const SourceLocation*>(getParams() + NumParams);
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}
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/// \brief Get a pointer to the stored selector identifiers locations array.
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/// No locations will be stored if HasStandardSelLocs is true.
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ParmVarDecl **getParams() {
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return reinterpret_cast<ParmVarDecl **>(ParamsAndSelLocs);
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}
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const ParmVarDecl *const *getParams() const {
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return reinterpret_cast<const ParmVarDecl *const *>(ParamsAndSelLocs);
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}
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/// \brief Get the number of stored selector identifiers locations.
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/// No locations will be stored if HasStandardSelLocs is true.
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unsigned getNumStoredSelLocs() const {
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if (hasStandardSelLocs())
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return 0;
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return getNumSelectorLocs();
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}
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void setParamsAndSelLocs(ASTContext &C,
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ArrayRef<ParmVarDecl*> Params,
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ArrayRef<SourceLocation> SelLocs);
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ObjCMethodDecl(SourceLocation beginLoc, SourceLocation endLoc,
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Selector SelInfo, QualType T,
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TypeSourceInfo *ResultTInfo,
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DeclContext *contextDecl,
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bool isInstance = true,
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bool isVariadic = false,
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bool isPropertyAccessor = false,
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bool isImplicitlyDeclared = false,
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bool isDefined = false,
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ImplementationControl impControl = None,
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bool HasRelatedResultType = false)
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: NamedDecl(ObjCMethod, contextDecl, beginLoc, SelInfo),
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DeclContext(ObjCMethod), Family(InvalidObjCMethodFamily),
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IsInstance(isInstance), IsVariadic(isVariadic),
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IsPropertyAccessor(isPropertyAccessor),
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IsDefined(isDefined), IsRedeclaration(0), HasRedeclaration(0),
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DeclImplementation(impControl), objcDeclQualifier(OBJC_TQ_None),
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RelatedResultType(HasRelatedResultType),
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SelLocsKind(SelLoc_StandardNoSpace), IsOverriding(0),
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MethodDeclType(T), ResultTInfo(ResultTInfo),
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ParamsAndSelLocs(0), NumParams(0),
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DeclEndLoc(endLoc), Body(), SelfDecl(0), CmdDecl(0) {
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setImplicit(isImplicitlyDeclared);
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}
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/// \brief A definition will return its interface declaration.
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/// An interface declaration will return its definition.
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/// Otherwise it will return itself.
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virtual ObjCMethodDecl *getNextRedeclaration();
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public:
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static ObjCMethodDecl *Create(ASTContext &C,
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SourceLocation beginLoc,
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SourceLocation endLoc,
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Selector SelInfo,
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QualType T,
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TypeSourceInfo *ResultTInfo,
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DeclContext *contextDecl,
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bool isInstance = true,
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bool isVariadic = false,
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bool isPropertyAccessor = false,
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bool isImplicitlyDeclared = false,
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bool isDefined = false,
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ImplementationControl impControl = None,
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bool HasRelatedResultType = false);
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static ObjCMethodDecl *CreateDeserialized(ASTContext &C, unsigned ID);
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virtual ObjCMethodDecl *getCanonicalDecl();
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const ObjCMethodDecl *getCanonicalDecl() const {
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return const_cast<ObjCMethodDecl*>(this)->getCanonicalDecl();
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}
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ObjCDeclQualifier getObjCDeclQualifier() const {
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return ObjCDeclQualifier(objcDeclQualifier);
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}
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void setObjCDeclQualifier(ObjCDeclQualifier QV) { objcDeclQualifier = QV; }
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/// \brief Determine whether this method has a result type that is related
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/// to the message receiver's type.
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bool hasRelatedResultType() const { return RelatedResultType; }
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/// \brief Note whether this method has a related result type.
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void SetRelatedResultType(bool RRT = true) { RelatedResultType = RRT; }
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/// \brief True if this is a method redeclaration in the same interface.
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bool isRedeclaration() const { return IsRedeclaration; }
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void setAsRedeclaration(const ObjCMethodDecl *PrevMethod);
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/// \brief Returns the location where the declarator ends. It will be
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/// the location of ';' for a method declaration and the location of '{'
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/// for a method definition.
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SourceLocation getDeclaratorEndLoc() const { return DeclEndLoc; }
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// Location information, modeled after the Stmt API.
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SourceLocation getLocStart() const LLVM_READONLY { return getLocation(); }
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SourceLocation getLocEnd() const LLVM_READONLY;
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virtual SourceRange getSourceRange() const LLVM_READONLY {
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return SourceRange(getLocation(), getLocEnd());
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}
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SourceLocation getSelectorStartLoc() const {
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if (isImplicit())
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return getLocStart();
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return getSelectorLoc(0);
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}
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SourceLocation getSelectorLoc(unsigned Index) const {
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assert(Index < getNumSelectorLocs() && "Index out of range!");
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if (hasStandardSelLocs())
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return getStandardSelectorLoc(Index, getSelector(),
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getSelLocsKind() == SelLoc_StandardWithSpace,
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llvm::makeArrayRef(const_cast<ParmVarDecl**>(getParams()),
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NumParams),
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DeclEndLoc);
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return getStoredSelLocs()[Index];
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}
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void getSelectorLocs(SmallVectorImpl<SourceLocation> &SelLocs) const;
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unsigned getNumSelectorLocs() const {
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if (isImplicit())
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return 0;
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Selector Sel = getSelector();
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if (Sel.isUnarySelector())
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return 1;
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return Sel.getNumArgs();
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}
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ObjCInterfaceDecl *getClassInterface();
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const ObjCInterfaceDecl *getClassInterface() const {
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return const_cast<ObjCMethodDecl*>(this)->getClassInterface();
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}
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Selector getSelector() const { return getDeclName().getObjCSelector(); }
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QualType getResultType() const { return MethodDeclType; }
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void setResultType(QualType T) { MethodDeclType = T; }
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/// \brief Determine the type of an expression that sends a message to this
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/// function.
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QualType getSendResultType() const {
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return getResultType().getNonLValueExprType(getASTContext());
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}
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TypeSourceInfo *getResultTypeSourceInfo() const { return ResultTInfo; }
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void setResultTypeSourceInfo(TypeSourceInfo *TInfo) { ResultTInfo = TInfo; }
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// Iterator access to formal parameters.
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unsigned param_size() const { return NumParams; }
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typedef const ParmVarDecl *const *param_const_iterator;
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typedef ParmVarDecl *const *param_iterator;
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param_const_iterator param_begin() const { return getParams(); }
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param_const_iterator param_end() const { return getParams() + NumParams; }
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param_iterator param_begin() { return getParams(); }
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param_iterator param_end() { return getParams() + NumParams; }
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// This method returns and of the parameters which are part of the selector
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// name mangling requirements.
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param_const_iterator sel_param_end() const {
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return param_begin() + getSelector().getNumArgs();
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}
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/// \brief Sets the method's parameters and selector source locations.
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/// If the method is implicit (not coming from source) \p SelLocs is
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/// ignored.
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void setMethodParams(ASTContext &C,
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ArrayRef<ParmVarDecl*> Params,
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ArrayRef<SourceLocation> SelLocs =
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ArrayRef<SourceLocation>());
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// Iterator access to parameter types.
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typedef std::const_mem_fun_t<QualType, ParmVarDecl> deref_fun;
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typedef llvm::mapped_iterator<param_const_iterator, deref_fun>
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arg_type_iterator;
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arg_type_iterator arg_type_begin() const {
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return llvm::map_iterator(param_begin(), deref_fun(&ParmVarDecl::getType));
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}
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arg_type_iterator arg_type_end() const {
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return llvm::map_iterator(param_end(), deref_fun(&ParmVarDecl::getType));
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}
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/// createImplicitParams - Used to lazily create the self and cmd
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/// implict parameters. This must be called prior to using getSelfDecl()
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/// or getCmdDecl(). The call is ignored if the implicit paramters
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/// have already been created.
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void createImplicitParams(ASTContext &Context, const ObjCInterfaceDecl *ID);
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ImplicitParamDecl * getSelfDecl() const { return SelfDecl; }
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void setSelfDecl(ImplicitParamDecl *SD) { SelfDecl = SD; }
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ImplicitParamDecl * getCmdDecl() const { return CmdDecl; }
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void setCmdDecl(ImplicitParamDecl *CD) { CmdDecl = CD; }
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/// Determines the family of this method.
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ObjCMethodFamily getMethodFamily() const;
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bool isInstanceMethod() const { return IsInstance; }
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void setInstanceMethod(bool isInst) { IsInstance = isInst; }
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bool isVariadic() const { return IsVariadic; }
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void setVariadic(bool isVar) { IsVariadic = isVar; }
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bool isClassMethod() const { return !IsInstance; }
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bool isPropertyAccessor() const { return IsPropertyAccessor; }
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void setPropertyAccessor(bool isAccessor) { IsPropertyAccessor = isAccessor; }
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bool isDefined() const { return IsDefined; }
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void setDefined(bool isDefined) { IsDefined = isDefined; }
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/// \brief Whether this method overrides any other in the class hierarchy.
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///
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/// A method is said to override any method in the class's
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/// base classes, its protocols, or its categories' protocols, that has
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/// the same selector and is of the same kind (class or instance).
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/// A method in an implementation is not considered as overriding the same
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/// method in the interface or its categories.
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bool isOverriding() const { return IsOverriding; }
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void setOverriding(bool isOverriding) { IsOverriding = isOverriding; }
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/// \brief Return overridden methods for the given \p Method.
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///
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/// An ObjC method is considered to override any method in the class's
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/// base classes (and base's categories), its protocols, or its categories'
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/// protocols, that has
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/// the same selector and is of the same kind (class or instance).
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/// A method in an implementation is not considered as overriding the same
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/// method in the interface or its categories.
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void getOverriddenMethods(
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SmallVectorImpl<const ObjCMethodDecl *> &Overridden) const;
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/// \brief Returns the property associated with this method's selector.
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///
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/// Note that even if this particular method is not marked as a property
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/// accessor, it is still possible for it to match a property declared in a
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/// superclass. Pass \c false if you only want to check the current class.
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const ObjCPropertyDecl *findPropertyDecl(bool CheckOverrides = true) const;
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// Related to protocols declared in \@protocol
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void setDeclImplementation(ImplementationControl ic) {
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DeclImplementation = ic;
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}
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ImplementationControl getImplementationControl() const {
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return ImplementationControl(DeclImplementation);
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}
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/// \brief Determine whether this method has a body.
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virtual bool hasBody() const { return Body; }
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/// \brief Retrieve the body of this method, if it has one.
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virtual Stmt *getBody() const;
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void setLazyBody(uint64_t Offset) { Body = Offset; }
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CompoundStmt *getCompoundBody() { return (CompoundStmt*)getBody(); }
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void setBody(Stmt *B) { Body = B; }
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/// \brief Returns whether this specific method is a definition.
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bool isThisDeclarationADefinition() const { return Body; }
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// Implement isa/cast/dyncast/etc.
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static bool classof(const Decl *D) { return classofKind(D->getKind()); }
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static bool classofKind(Kind K) { return K == ObjCMethod; }
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static DeclContext *castToDeclContext(const ObjCMethodDecl *D) {
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return static_cast<DeclContext *>(const_cast<ObjCMethodDecl*>(D));
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}
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static ObjCMethodDecl *castFromDeclContext(const DeclContext *DC) {
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return static_cast<ObjCMethodDecl *>(const_cast<DeclContext*>(DC));
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}
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friend class ASTDeclReader;
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friend class ASTDeclWriter;
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};
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/// ObjCContainerDecl - Represents a container for method declarations.
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/// Current sub-classes are ObjCInterfaceDecl, ObjCCategoryDecl,
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/// ObjCProtocolDecl, and ObjCImplDecl.
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///
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class ObjCContainerDecl : public NamedDecl, public DeclContext {
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virtual void anchor();
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SourceLocation AtStart;
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// These two locations in the range mark the end of the method container.
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// The first points to the '@' token, and the second to the 'end' token.
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SourceRange AtEnd;
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public:
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ObjCContainerDecl(Kind DK, DeclContext *DC,
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IdentifierInfo *Id, SourceLocation nameLoc,
|
|
SourceLocation atStartLoc)
|
|
: NamedDecl(DK, DC, nameLoc, Id), DeclContext(DK), AtStart(atStartLoc) {}
|
|
|
|
// 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;
|
|
|
|
typedef llvm::DenseMap<IdentifierInfo*, ObjCPropertyDecl*> PropertyMap;
|
|
|
|
/// This routine collects list of properties to be implemented in the class.
|
|
/// This includes, class's and its conforming protocols' properties.
|
|
/// Note, the superclass's properties are not included in the list.
|
|
virtual void collectPropertiesToImplement(PropertyMap &PM) const {}
|
|
|
|
SourceLocation getAtStartLoc() const { return AtStart; }
|
|
void setAtStartLoc(SourceLocation Loc) { AtStart = Loc; }
|
|
|
|
// Marks the end of the container.
|
|
SourceRange getAtEndRange() const {
|
|
return AtEnd;
|
|
}
|
|
void setAtEndRange(SourceRange atEnd) {
|
|
AtEnd = atEnd;
|
|
}
|
|
|
|
virtual SourceRange getSourceRange() const LLVM_READONLY {
|
|
return SourceRange(AtStart, getAtEndRange().getEnd());
|
|
}
|
|
|
|
// Implement isa/cast/dyncast/etc.
|
|
static bool classof(const Decl *D) { return classofKind(D->getKind()); }
|
|
static bool classofKind(Kind K) {
|
|
return K >= firstObjCContainer &&
|
|
K <= lastObjCContainer;
|
|
}
|
|
|
|
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));
|
|
}
|
|
};
|
|
|
|
/// \brief Represents an ObjC class declaration.
|
|
///
|
|
/// For example:
|
|
///
|
|
/// \code
|
|
/// // 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.
|
|
/// \endcode
|
|
///
|
|
/// 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
|
|
, public Redeclarable<ObjCInterfaceDecl> {
|
|
virtual void anchor();
|
|
|
|
/// TypeForDecl - This indicates the Type object that represents this
|
|
/// TypeDecl. It is a cache maintained by ASTContext::getObjCInterfaceType
|
|
mutable const Type *TypeForDecl;
|
|
friend class ASTContext;
|
|
|
|
struct DefinitionData {
|
|
/// \brief The definition of this class, for quick access from any
|
|
/// declaration.
|
|
ObjCInterfaceDecl *Definition;
|
|
|
|
/// Class's super class.
|
|
ObjCInterfaceDecl *SuperClass;
|
|
|
|
/// Protocols referenced in the \@interface declaration
|
|
ObjCProtocolList ReferencedProtocols;
|
|
|
|
/// Protocols reference in both the \@interface and class extensions.
|
|
ObjCList<ObjCProtocolDecl> AllReferencedProtocols;
|
|
|
|
/// \brief List of categories and class extensions defined for this class.
|
|
///
|
|
/// Categories are stored as a linked list in the AST, since the categories
|
|
/// and class extensions come long after the initial interface declaration,
|
|
/// and we avoid dynamically-resized arrays in the AST wherever possible.
|
|
ObjCCategoryDecl *CategoryList;
|
|
|
|
/// IvarList - List of all ivars defined by this class; including class
|
|
/// extensions and implementation. This list is built lazily.
|
|
ObjCIvarDecl *IvarList;
|
|
|
|
/// \brief Indicates that the contents of this Objective-C class will be
|
|
/// completed by the external AST source when required.
|
|
mutable bool ExternallyCompleted : 1;
|
|
|
|
/// \brief The location of the superclass, if any.
|
|
SourceLocation SuperClassLoc;
|
|
|
|
/// \brief The location of the last location in this declaration, before
|
|
/// the properties/methods. For example, this will be the '>', '}', or
|
|
/// identifier,
|
|
SourceLocation EndLoc;
|
|
|
|
DefinitionData() : Definition(), SuperClass(), CategoryList(), IvarList(),
|
|
ExternallyCompleted() { }
|
|
};
|
|
|
|
ObjCInterfaceDecl(DeclContext *DC, SourceLocation atLoc, IdentifierInfo *Id,
|
|
SourceLocation CLoc, ObjCInterfaceDecl *PrevDecl,
|
|
bool isInternal);
|
|
|
|
void LoadExternalDefinition() const;
|
|
|
|
/// \brief Contains a pointer to the data associated with this class,
|
|
/// which will be NULL if this class has not yet been defined.
|
|
DefinitionData *Data;
|
|
|
|
DefinitionData &data() const {
|
|
assert(Data != 0 && "Declaration has no definition!");
|
|
return *Data;
|
|
}
|
|
|
|
/// \brief Allocate the definition data for this class.
|
|
void allocateDefinitionData();
|
|
|
|
typedef Redeclarable<ObjCInterfaceDecl> redeclarable_base;
|
|
virtual ObjCInterfaceDecl *getNextRedeclaration() {
|
|
return RedeclLink.getNext();
|
|
}
|
|
virtual ObjCInterfaceDecl *getPreviousDeclImpl() {
|
|
return getPreviousDecl();
|
|
}
|
|
virtual ObjCInterfaceDecl *getMostRecentDeclImpl() {
|
|
return getMostRecentDecl();
|
|
}
|
|
|
|
public:
|
|
static ObjCInterfaceDecl *Create(const ASTContext &C, DeclContext *DC,
|
|
SourceLocation atLoc,
|
|
IdentifierInfo *Id,
|
|
ObjCInterfaceDecl *PrevDecl,
|
|
SourceLocation ClassLoc = SourceLocation(),
|
|
bool isInternal = false);
|
|
|
|
static ObjCInterfaceDecl *CreateDeserialized(ASTContext &C, unsigned ID);
|
|
|
|
virtual SourceRange getSourceRange() const LLVM_READONLY {
|
|
if (isThisDeclarationADefinition())
|
|
return ObjCContainerDecl::getSourceRange();
|
|
|
|
return SourceRange(getAtStartLoc(), getLocation());
|
|
}
|
|
|
|
/// \brief Indicate that this Objective-C class is complete, but that
|
|
/// the external AST source will be responsible for filling in its contents
|
|
/// when a complete class is required.
|
|
void setExternallyCompleted();
|
|
|
|
const ObjCProtocolList &getReferencedProtocols() const {
|
|
assert(hasDefinition() && "Caller did not check for forward reference!");
|
|
if (data().ExternallyCompleted)
|
|
LoadExternalDefinition();
|
|
|
|
return data().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 {
|
|
// FIXME: Should make sure no callers ever do this.
|
|
if (!hasDefinition())
|
|
return protocol_iterator();
|
|
|
|
if (data().ExternallyCompleted)
|
|
LoadExternalDefinition();
|
|
|
|
return data().ReferencedProtocols.begin();
|
|
}
|
|
protocol_iterator protocol_end() const {
|
|
// FIXME: Should make sure no callers ever do this.
|
|
if (!hasDefinition())
|
|
return protocol_iterator();
|
|
|
|
if (data().ExternallyCompleted)
|
|
LoadExternalDefinition();
|
|
|
|
return data().ReferencedProtocols.end();
|
|
}
|
|
|
|
typedef ObjCProtocolList::loc_iterator protocol_loc_iterator;
|
|
|
|
protocol_loc_iterator protocol_loc_begin() const {
|
|
// FIXME: Should make sure no callers ever do this.
|
|
if (!hasDefinition())
|
|
return protocol_loc_iterator();
|
|
|
|
if (data().ExternallyCompleted)
|
|
LoadExternalDefinition();
|
|
|
|
return data().ReferencedProtocols.loc_begin();
|
|
}
|
|
|
|
protocol_loc_iterator protocol_loc_end() const {
|
|
// FIXME: Should make sure no callers ever do this.
|
|
if (!hasDefinition())
|
|
return protocol_loc_iterator();
|
|
|
|
if (data().ExternallyCompleted)
|
|
LoadExternalDefinition();
|
|
|
|
return data().ReferencedProtocols.loc_end();
|
|
}
|
|
|
|
typedef ObjCList<ObjCProtocolDecl>::iterator all_protocol_iterator;
|
|
|
|
all_protocol_iterator all_referenced_protocol_begin() const {
|
|
// FIXME: Should make sure no callers ever do this.
|
|
if (!hasDefinition())
|
|
return all_protocol_iterator();
|
|
|
|
if (data().ExternallyCompleted)
|
|
LoadExternalDefinition();
|
|
|
|
return data().AllReferencedProtocols.empty()
|
|
? protocol_begin()
|
|
: data().AllReferencedProtocols.begin();
|
|
}
|
|
all_protocol_iterator all_referenced_protocol_end() const {
|
|
// FIXME: Should make sure no callers ever do this.
|
|
if (!hasDefinition())
|
|
return all_protocol_iterator();
|
|
|
|
if (data().ExternallyCompleted)
|
|
LoadExternalDefinition();
|
|
|
|
return data().AllReferencedProtocols.empty()
|
|
? protocol_end()
|
|
: data().AllReferencedProtocols.end();
|
|
}
|
|
|
|
typedef specific_decl_iterator<ObjCIvarDecl> ivar_iterator;
|
|
|
|
ivar_iterator ivar_begin() const {
|
|
if (const ObjCInterfaceDecl *Def = getDefinition())
|
|
return ivar_iterator(Def->decls_begin());
|
|
|
|
// FIXME: Should make sure no callers ever do this.
|
|
return ivar_iterator();
|
|
}
|
|
ivar_iterator ivar_end() const {
|
|
if (const ObjCInterfaceDecl *Def = getDefinition())
|
|
return ivar_iterator(Def->decls_end());
|
|
|
|
// FIXME: Should make sure no callers ever do this.
|
|
return ivar_iterator();
|
|
}
|
|
|
|
unsigned ivar_size() const {
|
|
return std::distance(ivar_begin(), ivar_end());
|
|
}
|
|
|
|
bool ivar_empty() const { return ivar_begin() == ivar_end(); }
|
|
|
|
ObjCIvarDecl *all_declared_ivar_begin();
|
|
const ObjCIvarDecl *all_declared_ivar_begin() const {
|
|
// Even though this modifies IvarList, it's conceptually const:
|
|
// the ivar chain is essentially a cached property of ObjCInterfaceDecl.
|
|
return const_cast<ObjCInterfaceDecl *>(this)->all_declared_ivar_begin();
|
|
}
|
|
void setIvarList(ObjCIvarDecl *ivar) { data().IvarList = ivar; }
|
|
|
|
/// setProtocolList - Set the list of protocols that this interface
|
|
/// implements.
|
|
void setProtocolList(ObjCProtocolDecl *const* List, unsigned Num,
|
|
const SourceLocation *Locs, ASTContext &C) {
|
|
data().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,
|
|
ASTContext &C);
|
|
|
|
/// \brief Determine whether this particular declaration of this class is
|
|
/// actually also a definition.
|
|
bool isThisDeclarationADefinition() const {
|
|
return Data && Data->Definition == this;
|
|
}
|
|
|
|
/// \brief Determine whether this class has been defined.
|
|
bool hasDefinition() const { return Data; }
|
|
|
|
/// \brief Retrieve the definition of this class, or NULL if this class
|
|
/// has been forward-declared (with \@class) but not yet defined (with
|
|
/// \@interface).
|
|
ObjCInterfaceDecl *getDefinition() {
|
|
return hasDefinition()? Data->Definition : 0;
|
|
}
|
|
|
|
/// \brief Retrieve the definition of this class, or NULL if this class
|
|
/// has been forward-declared (with \@class) but not yet defined (with
|
|
/// \@interface).
|
|
const ObjCInterfaceDecl *getDefinition() const {
|
|
return hasDefinition()? Data->Definition : 0;
|
|
}
|
|
|
|
/// \brief Starts the definition of this Objective-C class, taking it from
|
|
/// a forward declaration (\@class) to a definition (\@interface).
|
|
void startDefinition();
|
|
|
|
ObjCInterfaceDecl *getSuperClass() const {
|
|
// FIXME: Should make sure no callers ever do this.
|
|
if (!hasDefinition())
|
|
return 0;
|
|
|
|
if (data().ExternallyCompleted)
|
|
LoadExternalDefinition();
|
|
|
|
return data().SuperClass;
|
|
}
|
|
|
|
void setSuperClass(ObjCInterfaceDecl * superCls) {
|
|
data().SuperClass =
|
|
(superCls && superCls->hasDefinition()) ? superCls->getDefinition()
|
|
: superCls;
|
|
}
|
|
|
|
ObjCCategoryDecl* getCategoryList() const {
|
|
// FIXME: Should make sure no callers ever do this.
|
|
if (!hasDefinition())
|
|
return 0;
|
|
|
|
if (data().ExternallyCompleted)
|
|
LoadExternalDefinition();
|
|
|
|
return data().CategoryList;
|
|
}
|
|
|
|
void setCategoryList(ObjCCategoryDecl *category) {
|
|
data().CategoryList = category;
|
|
}
|
|
|
|
ObjCCategoryDecl* getFirstClassExtension() const;
|
|
|
|
ObjCPropertyDecl
|
|
*FindPropertyVisibleInPrimaryClass(IdentifierInfo *PropertyId) const;
|
|
|
|
virtual void collectPropertiesToImplement(PropertyMap &PM) 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 (declaresSameEntity(this, I))
|
|
return true;
|
|
|
|
I = I->getSuperClass();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// isArcWeakrefUnavailable - Checks for a class or one of its super classes
|
|
/// to be incompatible with __weak references. Returns true if it is.
|
|
bool isArcWeakrefUnavailable() const {
|
|
const ObjCInterfaceDecl *Class = this;
|
|
while (Class) {
|
|
if (Class->hasAttr<ArcWeakrefUnavailableAttr>())
|
|
return true;
|
|
Class = Class->getSuperClass();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// isObjCRequiresPropertyDefs - Checks that a class or one of its super
|
|
/// classes must not be auto-synthesized. Returns class decl. if it must not
|
|
/// be; 0, otherwise.
|
|
const ObjCInterfaceDecl *isObjCRequiresPropertyDefs() const {
|
|
const ObjCInterfaceDecl *Class = this;
|
|
while (Class) {
|
|
if (Class->hasAttr<ObjCRequiresPropertyDefsAttr>())
|
|
return Class;
|
|
Class = Class->getSuperClass();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
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,
|
|
bool shallowCategoryLookup= false) const;
|
|
ObjCMethodDecl *lookupInstanceMethod(Selector Sel,
|
|
bool shallowCategoryLookup = false) const {
|
|
return lookupMethod(Sel, true/*isInstance*/, shallowCategoryLookup);
|
|
}
|
|
ObjCMethodDecl *lookupClassMethod(Selector Sel,
|
|
bool shallowCategoryLookup = false) const {
|
|
return lookupMethod(Sel, false/*isInstance*/, shallowCategoryLookup);
|
|
}
|
|
ObjCInterfaceDecl *lookupInheritedClass(const IdentifierInfo *ICName);
|
|
|
|
/// \brief Lookup a method in the classes implementation hierarchy.
|
|
ObjCMethodDecl *lookupPrivateMethod(const Selector &Sel,
|
|
bool Instance=true) const;
|
|
|
|
ObjCMethodDecl *lookupPrivateClassMethod(const Selector &Sel) {
|
|
return lookupPrivateMethod(Sel, false);
|
|
}
|
|
|
|
SourceLocation getEndOfDefinitionLoc() const {
|
|
if (!hasDefinition())
|
|
return getLocation();
|
|
|
|
return data().EndLoc;
|
|
}
|
|
|
|
void setEndOfDefinitionLoc(SourceLocation LE) { data().EndLoc = LE; }
|
|
|
|
void setSuperClassLoc(SourceLocation Loc) { data().SuperClassLoc = Loc; }
|
|
SourceLocation getSuperClassLoc() const { return data().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 hasDefinition() ? Data->Definition->isImplicit() : isImplicit();
|
|
}
|
|
|
|
/// 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);
|
|
|
|
typedef redeclarable_base::redecl_iterator redecl_iterator;
|
|
using redeclarable_base::redecls_begin;
|
|
using redeclarable_base::redecls_end;
|
|
using redeclarable_base::getPreviousDecl;
|
|
using redeclarable_base::getMostRecentDecl;
|
|
|
|
/// Retrieves the canonical declaration of this Objective-C class.
|
|
ObjCInterfaceDecl *getCanonicalDecl() {
|
|
return getFirstDeclaration();
|
|
}
|
|
const ObjCInterfaceDecl *getCanonicalDecl() const {
|
|
return getFirstDeclaration();
|
|
}
|
|
|
|
// Low-level accessor
|
|
const Type *getTypeForDecl() const { return TypeForDecl; }
|
|
void setTypeForDecl(const Type *TD) const { TypeForDecl = TD; }
|
|
|
|
static bool classof(const Decl *D) { return classofKind(D->getKind()); }
|
|
static bool classofKind(Kind K) { return K == ObjCInterface; }
|
|
|
|
friend class ASTReader;
|
|
friend class ASTDeclReader;
|
|
friend class ASTDeclWriter;
|
|
};
|
|
|
|
/// 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 {
|
|
virtual void anchor();
|
|
|
|
public:
|
|
enum AccessControl {
|
|
None, Private, Protected, Public, Package
|
|
};
|
|
|
|
private:
|
|
ObjCIvarDecl(ObjCContainerDecl *DC, SourceLocation StartLoc,
|
|
SourceLocation IdLoc, IdentifierInfo *Id,
|
|
QualType T, TypeSourceInfo *TInfo, AccessControl ac, Expr *BW,
|
|
bool synthesized)
|
|
: FieldDecl(ObjCIvar, DC, StartLoc, IdLoc, Id, T, TInfo, BW,
|
|
/*Mutable=*/false, /*HasInit=*/ICIS_NoInit),
|
|
NextIvar(0), DeclAccess(ac), Synthesized(synthesized) {}
|
|
|
|
public:
|
|
static ObjCIvarDecl *Create(ASTContext &C, ObjCContainerDecl *DC,
|
|
SourceLocation StartLoc, SourceLocation IdLoc,
|
|
IdentifierInfo *Id, QualType T,
|
|
TypeSourceInfo *TInfo,
|
|
AccessControl ac, Expr *BW = NULL,
|
|
bool synthesized=false);
|
|
|
|
static ObjCIvarDecl *CreateDeserialized(ASTContext &C, unsigned ID);
|
|
|
|
/// \brief Return the class interface that this ivar is logically contained
|
|
/// in; this is either the interface where the ivar was declared, or the
|
|
/// interface the ivar is conceptually a part of in the case of synthesized
|
|
/// ivars.
|
|
const ObjCInterfaceDecl *getContainingInterface() const;
|
|
|
|
ObjCIvarDecl *getNextIvar() { return NextIvar; }
|
|
const ObjCIvarDecl *getNextIvar() const { return NextIvar; }
|
|
void setNextIvar(ObjCIvarDecl *ivar) { NextIvar = ivar; }
|
|
|
|
void setAccessControl(AccessControl ac) { DeclAccess = ac; }
|
|
|
|
AccessControl getAccessControl() const { return AccessControl(DeclAccess); }
|
|
|
|
AccessControl getCanonicalAccessControl() const {
|
|
return DeclAccess == None ? Protected : AccessControl(DeclAccess);
|
|
}
|
|
|
|
void setSynthesize(bool synth) { Synthesized = synth; }
|
|
bool getSynthesize() const { return Synthesized; }
|
|
|
|
// Implement isa/cast/dyncast/etc.
|
|
static bool classof(const Decl *D) { return classofKind(D->getKind()); }
|
|
static bool classofKind(Kind K) { return K == ObjCIvar; }
|
|
private:
|
|
/// NextIvar - Next Ivar in the list of ivars declared in class; class's
|
|
/// extensions and class's implementation
|
|
ObjCIvarDecl *NextIvar;
|
|
|
|
// NOTE: VC++ treats enums as signed, avoid using the AccessControl enum
|
|
unsigned DeclAccess : 3;
|
|
unsigned Synthesized : 1;
|
|
};
|
|
|
|
|
|
/// \brief Represents a field declaration created by an \@defs(...).
|
|
class ObjCAtDefsFieldDecl : public FieldDecl {
|
|
virtual void anchor();
|
|
ObjCAtDefsFieldDecl(DeclContext *DC, SourceLocation StartLoc,
|
|
SourceLocation IdLoc, IdentifierInfo *Id,
|
|
QualType T, Expr *BW)
|
|
: FieldDecl(ObjCAtDefsField, DC, StartLoc, IdLoc, Id, T,
|
|
/*TInfo=*/0, // FIXME: Do ObjCAtDefs have declarators ?
|
|
BW, /*Mutable=*/false, /*HasInit=*/ICIS_NoInit) {}
|
|
|
|
public:
|
|
static ObjCAtDefsFieldDecl *Create(ASTContext &C, DeclContext *DC,
|
|
SourceLocation StartLoc,
|
|
SourceLocation IdLoc, IdentifierInfo *Id,
|
|
QualType T, Expr *BW);
|
|
|
|
static ObjCAtDefsFieldDecl *CreateDeserialized(ASTContext &C, unsigned ID);
|
|
|
|
// Implement isa/cast/dyncast/etc.
|
|
static bool classof(const Decl *D) { return classofKind(D->getKind()); }
|
|
static bool classofKind(Kind K) { return K == ObjCAtDefsField; }
|
|
};
|
|
|
|
/// \brief Represents an Objective-C protocol declaration.
|
|
///
|
|
/// Objective-C protocols declare a pure abstract type (i.e., no instance
|
|
/// variables are permitted). Protocols originally drew inspiration from
|
|
/// C++ pure virtual functions (a C++ feature with nice semantics and lousy
|
|
/// syntax:-). Here is an example:
|
|
///
|
|
/// \code
|
|
/// \@protocol NSDraggingInfo <refproto1, refproto2>
|
|
/// - (NSWindow *)draggingDestinationWindow;
|
|
/// - (NSImage *)draggedImage;
|
|
/// \@end
|
|
/// \endcode
|
|
///
|
|
/// This says that NSDraggingInfo requires two methods and requires everything
|
|
/// that the two "referenced protocols" 'refproto1' and 'refproto2' require as
|
|
/// well.
|
|
///
|
|
/// \code
|
|
/// \@interface ImplementsNSDraggingInfo : NSObject \<NSDraggingInfo>
|
|
/// \@end
|
|
/// \endcode
|
|
///
|
|
/// 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,
|
|
public Redeclarable<ObjCProtocolDecl> {
|
|
virtual void anchor();
|
|
|
|
struct DefinitionData {
|
|
// \brief The declaration that defines this protocol.
|
|
ObjCProtocolDecl *Definition;
|
|
|
|
/// \brief Referenced protocols
|
|
ObjCProtocolList ReferencedProtocols;
|
|
};
|
|
|
|
DefinitionData *Data;
|
|
|
|
DefinitionData &data() const {
|
|
assert(Data && "Objective-C protocol has no definition!");
|
|
return *Data;
|
|
}
|
|
|
|
ObjCProtocolDecl(DeclContext *DC, IdentifierInfo *Id,
|
|
SourceLocation nameLoc, SourceLocation atStartLoc,
|
|
ObjCProtocolDecl *PrevDecl);
|
|
|
|
void allocateDefinitionData();
|
|
|
|
typedef Redeclarable<ObjCProtocolDecl> redeclarable_base;
|
|
virtual ObjCProtocolDecl *getNextRedeclaration() {
|
|
return RedeclLink.getNext();
|
|
}
|
|
virtual ObjCProtocolDecl *getPreviousDeclImpl() {
|
|
return getPreviousDecl();
|
|
}
|
|
virtual ObjCProtocolDecl *getMostRecentDeclImpl() {
|
|
return getMostRecentDecl();
|
|
}
|
|
|
|
public:
|
|
static ObjCProtocolDecl *Create(ASTContext &C, DeclContext *DC,
|
|
IdentifierInfo *Id,
|
|
SourceLocation nameLoc,
|
|
SourceLocation atStartLoc,
|
|
ObjCProtocolDecl *PrevDecl);
|
|
|
|
static ObjCProtocolDecl *CreateDeserialized(ASTContext &C, unsigned ID);
|
|
|
|
const ObjCProtocolList &getReferencedProtocols() const {
|
|
assert(hasDefinition() && "No definition available!");
|
|
return data().ReferencedProtocols;
|
|
}
|
|
typedef ObjCProtocolList::iterator protocol_iterator;
|
|
protocol_iterator protocol_begin() const {
|
|
if (!hasDefinition())
|
|
return protocol_iterator();
|
|
|
|
return data().ReferencedProtocols.begin();
|
|
}
|
|
protocol_iterator protocol_end() const {
|
|
if (!hasDefinition())
|
|
return protocol_iterator();
|
|
|
|
return data().ReferencedProtocols.end();
|
|
}
|
|
typedef ObjCProtocolList::loc_iterator protocol_loc_iterator;
|
|
protocol_loc_iterator protocol_loc_begin() const {
|
|
if (!hasDefinition())
|
|
return protocol_loc_iterator();
|
|
|
|
return data().ReferencedProtocols.loc_begin();
|
|
}
|
|
protocol_loc_iterator protocol_loc_end() const {
|
|
if (!hasDefinition())
|
|
return protocol_loc_iterator();
|
|
|
|
return data().ReferencedProtocols.loc_end();
|
|
}
|
|
unsigned protocol_size() const {
|
|
if (!hasDefinition())
|
|
return 0;
|
|
|
|
return data().ReferencedProtocols.size();
|
|
}
|
|
|
|
/// setProtocolList - Set the list of protocols that this interface
|
|
/// implements.
|
|
void setProtocolList(ObjCProtocolDecl *const*List, unsigned Num,
|
|
const SourceLocation *Locs, ASTContext &C) {
|
|
assert(Data && "Protocol is not defined");
|
|
data().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*/);
|
|
}
|
|
|
|
/// \brief Determine whether this protocol has a definition.
|
|
bool hasDefinition() const { return Data != 0; }
|
|
|
|
/// \brief Retrieve the definition of this protocol, if any.
|
|
ObjCProtocolDecl *getDefinition() {
|
|
return Data? Data->Definition : 0;
|
|
}
|
|
|
|
/// \brief Retrieve the definition of this protocol, if any.
|
|
const ObjCProtocolDecl *getDefinition() const {
|
|
return Data? Data->Definition : 0;
|
|
}
|
|
|
|
/// \brief Determine whether this particular declaration is also the
|
|
/// definition.
|
|
bool isThisDeclarationADefinition() const {
|
|
return getDefinition() == this;
|
|
}
|
|
|
|
/// \brief Starts the definition of this Objective-C protocol.
|
|
void startDefinition();
|
|
|
|
virtual SourceRange getSourceRange() const LLVM_READONLY {
|
|
if (isThisDeclarationADefinition())
|
|
return ObjCContainerDecl::getSourceRange();
|
|
|
|
return SourceRange(getAtStartLoc(), getLocation());
|
|
}
|
|
|
|
typedef redeclarable_base::redecl_iterator redecl_iterator;
|
|
using redeclarable_base::redecls_begin;
|
|
using redeclarable_base::redecls_end;
|
|
using redeclarable_base::getPreviousDecl;
|
|
using redeclarable_base::getMostRecentDecl;
|
|
|
|
/// Retrieves the canonical declaration of this Objective-C protocol.
|
|
ObjCProtocolDecl *getCanonicalDecl() {
|
|
return getFirstDeclaration();
|
|
}
|
|
const ObjCProtocolDecl *getCanonicalDecl() const {
|
|
return getFirstDeclaration();
|
|
}
|
|
|
|
virtual void collectPropertiesToImplement(PropertyMap &PM) const;
|
|
|
|
static bool classof(const Decl *D) { return classofKind(D->getKind()); }
|
|
static bool classofKind(Kind K) { return K == ObjCProtocol; }
|
|
|
|
friend class ASTReader;
|
|
friend class ASTDeclReader;
|
|
friend class ASTDeclWriter;
|
|
};
|
|
|
|
/// 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 {
|
|
virtual void anchor();
|
|
|
|
/// 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 category name in this declaration.
|
|
SourceLocation CategoryNameLoc;
|
|
|
|
/// class extension may have private ivars.
|
|
SourceLocation IvarLBraceLoc;
|
|
SourceLocation IvarRBraceLoc;
|
|
|
|
ObjCCategoryDecl(DeclContext *DC, SourceLocation AtLoc,
|
|
SourceLocation ClassNameLoc, SourceLocation CategoryNameLoc,
|
|
IdentifierInfo *Id, ObjCInterfaceDecl *IDecl,
|
|
SourceLocation IvarLBraceLoc=SourceLocation(),
|
|
SourceLocation IvarRBraceLoc=SourceLocation())
|
|
: ObjCContainerDecl(ObjCCategory, DC, Id, ClassNameLoc, AtLoc),
|
|
ClassInterface(IDecl), NextClassCategory(0),
|
|
CategoryNameLoc(CategoryNameLoc),
|
|
IvarLBraceLoc(IvarLBraceLoc), IvarRBraceLoc(IvarRBraceLoc) {
|
|
}
|
|
public:
|
|
|
|
static ObjCCategoryDecl *Create(ASTContext &C, DeclContext *DC,
|
|
SourceLocation AtLoc,
|
|
SourceLocation ClassNameLoc,
|
|
SourceLocation CategoryNameLoc,
|
|
IdentifierInfo *Id,
|
|
ObjCInterfaceDecl *IDecl,
|
|
SourceLocation IvarLBraceLoc=SourceLocation(),
|
|
SourceLocation IvarRBraceLoc=SourceLocation());
|
|
static ObjCCategoryDecl *CreateDeserialized(ASTContext &C, unsigned ID);
|
|
|
|
ObjCInterfaceDecl *getClassInterface() { return ClassInterface; }
|
|
const ObjCInterfaceDecl *getClassInterface() const { return ClassInterface; }
|
|
|
|
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; }
|
|
|
|
bool IsClassExtension() const { return getIdentifier() == 0; }
|
|
const ObjCCategoryDecl *getNextClassExtension() const;
|
|
|
|
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 getCategoryNameLoc() const { return CategoryNameLoc; }
|
|
void setCategoryNameLoc(SourceLocation Loc) { CategoryNameLoc = Loc; }
|
|
|
|
void setIvarLBraceLoc(SourceLocation Loc) { IvarLBraceLoc = Loc; }
|
|
SourceLocation getIvarLBraceLoc() const { return IvarLBraceLoc; }
|
|
void setIvarRBraceLoc(SourceLocation Loc) { IvarRBraceLoc = Loc; }
|
|
SourceLocation getIvarRBraceLoc() const { return IvarRBraceLoc; }
|
|
|
|
static bool classof(const Decl *D) { return classofKind(D->getKind()); }
|
|
static bool classofKind(Kind K) { return K == ObjCCategory; }
|
|
|
|
friend class ASTDeclReader;
|
|
friend class ASTDeclWriter;
|
|
};
|
|
|
|
class ObjCImplDecl : public ObjCContainerDecl {
|
|
virtual void anchor();
|
|
|
|
/// Class interface for this class/category implementation
|
|
ObjCInterfaceDecl *ClassInterface;
|
|
|
|
protected:
|
|
ObjCImplDecl(Kind DK, DeclContext *DC,
|
|
ObjCInterfaceDecl *classInterface,
|
|
SourceLocation nameLoc, SourceLocation atStartLoc)
|
|
: ObjCContainerDecl(DK, DC,
|
|
classInterface? classInterface->getIdentifier() : 0,
|
|
nameLoc, atStartLoc),
|
|
ClassInterface(classInterface) {}
|
|
|
|
public:
|
|
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 classofKind(Kind K) {
|
|
return K >= firstObjCImpl && K <= lastObjCImpl;
|
|
}
|
|
};
|
|
|
|
/// 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 {
|
|
virtual void anchor();
|
|
|
|
// Category name
|
|
IdentifierInfo *Id;
|
|
|
|
// Category name location
|
|
SourceLocation CategoryNameLoc;
|
|
|
|
ObjCCategoryImplDecl(DeclContext *DC, IdentifierInfo *Id,
|
|
ObjCInterfaceDecl *classInterface,
|
|
SourceLocation nameLoc, SourceLocation atStartLoc,
|
|
SourceLocation CategoryNameLoc)
|
|
: ObjCImplDecl(ObjCCategoryImpl, DC, classInterface, nameLoc, atStartLoc),
|
|
Id(Id), CategoryNameLoc(CategoryNameLoc) {}
|
|
public:
|
|
static ObjCCategoryImplDecl *Create(ASTContext &C, DeclContext *DC,
|
|
IdentifierInfo *Id,
|
|
ObjCInterfaceDecl *classInterface,
|
|
SourceLocation nameLoc,
|
|
SourceLocation atStartLoc,
|
|
SourceLocation CategoryNameLoc);
|
|
static ObjCCategoryImplDecl *CreateDeserialized(ASTContext &C, unsigned ID);
|
|
|
|
/// 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;
|
|
|
|
SourceLocation getCategoryNameLoc() const { return CategoryNameLoc; }
|
|
|
|
/// 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.
|
|
StringRef getName() 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 classofKind(Kind K) { return K == ObjCCategoryImpl;}
|
|
|
|
friend class ASTDeclReader;
|
|
friend class ASTDeclWriter;
|
|
};
|
|
|
|
raw_ostream &operator<<(raw_ostream &OS, const ObjCCategoryImplDecl &CID);
|
|
|
|
/// 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 {
|
|
virtual void anchor();
|
|
/// Implementation Class's super class.
|
|
ObjCInterfaceDecl *SuperClass;
|
|
/// \@implementation may have private ivars.
|
|
SourceLocation IvarLBraceLoc;
|
|
SourceLocation IvarRBraceLoc;
|
|
|
|
/// Support for ivar initialization.
|
|
/// IvarInitializers - The arguments used to initialize the ivars
|
|
CXXCtorInitializer **IvarInitializers;
|
|
unsigned NumIvarInitializers;
|
|
|
|
/// Do the ivars of this class require initialization other than
|
|
/// zero-initialization?
|
|
bool HasNonZeroConstructors : 1;
|
|
|
|
/// Do the ivars of this class require non-trivial destruction?
|
|
bool HasDestructors : 1;
|
|
|
|
ObjCImplementationDecl(DeclContext *DC,
|
|
ObjCInterfaceDecl *classInterface,
|
|
ObjCInterfaceDecl *superDecl,
|
|
SourceLocation nameLoc, SourceLocation atStartLoc,
|
|
SourceLocation IvarLBraceLoc=SourceLocation(),
|
|
SourceLocation IvarRBraceLoc=SourceLocation())
|
|
: ObjCImplDecl(ObjCImplementation, DC, classInterface, nameLoc, atStartLoc),
|
|
SuperClass(superDecl), IvarLBraceLoc(IvarLBraceLoc),
|
|
IvarRBraceLoc(IvarRBraceLoc),
|
|
IvarInitializers(0), NumIvarInitializers(0),
|
|
HasNonZeroConstructors(false), HasDestructors(false) {}
|
|
public:
|
|
static ObjCImplementationDecl *Create(ASTContext &C, DeclContext *DC,
|
|
ObjCInterfaceDecl *classInterface,
|
|
ObjCInterfaceDecl *superDecl,
|
|
SourceLocation nameLoc,
|
|
SourceLocation atStartLoc,
|
|
SourceLocation IvarLBraceLoc=SourceLocation(),
|
|
SourceLocation IvarRBraceLoc=SourceLocation());
|
|
|
|
static ObjCImplementationDecl *CreateDeserialized(ASTContext &C, unsigned ID);
|
|
|
|
/// init_iterator - Iterates through the ivar initializer list.
|
|
typedef CXXCtorInitializer **init_iterator;
|
|
|
|
/// init_const_iterator - Iterates through the ivar initializer list.
|
|
typedef CXXCtorInitializer * const * init_const_iterator;
|
|
|
|
/// init_begin() - Retrieve an iterator to the first initializer.
|
|
init_iterator init_begin() { return IvarInitializers; }
|
|
/// begin() - Retrieve an iterator to the first initializer.
|
|
init_const_iterator init_begin() const { return IvarInitializers; }
|
|
|
|
/// init_end() - Retrieve an iterator past the last initializer.
|
|
init_iterator init_end() {
|
|
return IvarInitializers + NumIvarInitializers;
|
|
}
|
|
/// end() - Retrieve an iterator past the last initializer.
|
|
init_const_iterator init_end() const {
|
|
return IvarInitializers + NumIvarInitializers;
|
|
}
|
|
/// getNumArgs - Number of ivars which must be initialized.
|
|
unsigned getNumIvarInitializers() const {
|
|
return NumIvarInitializers;
|
|
}
|
|
|
|
void setNumIvarInitializers(unsigned numNumIvarInitializers) {
|
|
NumIvarInitializers = numNumIvarInitializers;
|
|
}
|
|
|
|
void setIvarInitializers(ASTContext &C,
|
|
CXXCtorInitializer ** initializers,
|
|
unsigned numInitializers);
|
|
|
|
/// Do any of the ivars of this class (not counting its base classes)
|
|
/// require construction other than zero-initialization?
|
|
bool hasNonZeroConstructors() const { return HasNonZeroConstructors; }
|
|
void setHasNonZeroConstructors(bool val) { HasNonZeroConstructors = val; }
|
|
|
|
/// Do any of the ivars of this class (not counting its base classes)
|
|
/// require non-trivial destruction?
|
|
bool hasDestructors() const { return HasDestructors; }
|
|
void setHasDestructors(bool val) { HasDestructors = val; }
|
|
|
|
/// 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.
|
|
StringRef getName() const {
|
|
assert(getIdentifier() && "Name is not a simple identifier");
|
|
return getIdentifier()->getName();
|
|
}
|
|
|
|
/// @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; }
|
|
|
|
void setIvarLBraceLoc(SourceLocation Loc) { IvarLBraceLoc = Loc; }
|
|
SourceLocation getIvarLBraceLoc() const { return IvarLBraceLoc; }
|
|
void setIvarRBraceLoc(SourceLocation Loc) { IvarRBraceLoc = Loc; }
|
|
SourceLocation getIvarRBraceLoc() const { return IvarRBraceLoc; }
|
|
|
|
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 classofKind(Kind K) { return K == ObjCImplementation; }
|
|
|
|
friend class ASTDeclReader;
|
|
friend class ASTDeclWriter;
|
|
};
|
|
|
|
raw_ostream &operator<<(raw_ostream &OS, const ObjCImplementationDecl &ID);
|
|
|
|
/// ObjCCompatibleAliasDecl - Represents alias of a class. This alias is
|
|
/// declared as \@compatibility_alias alias class.
|
|
class ObjCCompatibleAliasDecl : public NamedDecl {
|
|
virtual void anchor();
|
|
/// 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);
|
|
|
|
static ObjCCompatibleAliasDecl *CreateDeserialized(ASTContext &C,
|
|
unsigned ID);
|
|
|
|
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 classofKind(Kind K) { return K == ObjCCompatibleAlias; }
|
|
|
|
};
|
|
|
|
/// \brief Represents one property declaration in an Objective-C interface.
|
|
///
|
|
/// For example:
|
|
/// \code{.mm}
|
|
/// \@property (assign, readwrite) int MyProperty;
|
|
/// \endcode
|
|
class ObjCPropertyDecl : public NamedDecl {
|
|
virtual void anchor();
|
|
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,
|
|
OBJC_PR_atomic = 0x100,
|
|
OBJC_PR_weak = 0x200,
|
|
OBJC_PR_strong = 0x400,
|
|
OBJC_PR_unsafe_unretained = 0x800
|
|
// Adding a property should change NumPropertyAttrsBits
|
|
};
|
|
|
|
enum {
|
|
/// \brief Number of bits fitting all the property attributes.
|
|
NumPropertyAttrsBits = 12
|
|
};
|
|
|
|
enum SetterKind { Assign, Retain, Copy, Weak };
|
|
enum PropertyControl { None, Required, Optional };
|
|
private:
|
|
SourceLocation AtLoc; // location of \@property
|
|
SourceLocation LParenLoc; // location of '(' starting attribute list or null.
|
|
TypeSourceInfo *DeclType;
|
|
unsigned PropertyAttributes : NumPropertyAttrsBits;
|
|
unsigned PropertyAttributesAsWritten : NumPropertyAttrsBits;
|
|
// \@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, SourceLocation LParenLocation,
|
|
TypeSourceInfo *T)
|
|
: NamedDecl(ObjCProperty, DC, L, Id), AtLoc(AtLocation),
|
|
LParenLoc(LParenLocation), DeclType(T),
|
|
PropertyAttributes(OBJC_PR_noattr),
|
|
PropertyAttributesAsWritten(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,
|
|
SourceLocation LParenLocation,
|
|
TypeSourceInfo *T,
|
|
PropertyControl propControl = None);
|
|
|
|
static ObjCPropertyDecl *CreateDeserialized(ASTContext &C, unsigned ID);
|
|
|
|
SourceLocation getAtLoc() const { return AtLoc; }
|
|
void setAtLoc(SourceLocation L) { AtLoc = L; }
|
|
|
|
SourceLocation getLParenLoc() const { return LParenLoc; }
|
|
void setLParenLoc(SourceLocation L) { LParenLoc = L; }
|
|
|
|
TypeSourceInfo *getTypeSourceInfo() const { return DeclType; }
|
|
QualType getType() const { return DeclType->getType(); }
|
|
void setType(TypeSourceInfo *T) { DeclType = T; }
|
|
|
|
PropertyAttributeKind getPropertyAttributes() const {
|
|
return PropertyAttributeKind(PropertyAttributes);
|
|
}
|
|
void setPropertyAttributes(PropertyAttributeKind PRVal) {
|
|
PropertyAttributes |= PRVal;
|
|
}
|
|
|
|
PropertyAttributeKind getPropertyAttributesAsWritten() const {
|
|
return PropertyAttributeKind(PropertyAttributesAsWritten);
|
|
}
|
|
|
|
bool hasWrittenStorageAttribute() const {
|
|
return PropertyAttributesAsWritten & (OBJC_PR_assign | OBJC_PR_copy |
|
|
OBJC_PR_unsafe_unretained | OBJC_PR_retain | OBJC_PR_strong |
|
|
OBJC_PR_weak);
|
|
}
|
|
|
|
void setPropertyAttributesAsWritten(PropertyAttributeKind PRVal) {
|
|
PropertyAttributesAsWritten = 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);
|
|
}
|
|
|
|
/// isAtomic - Return true if the property is atomic.
|
|
bool isAtomic() const {
|
|
return (PropertyAttributes & OBJC_PR_atomic);
|
|
}
|
|
|
|
/// isRetaining - Return true if the property retains its value.
|
|
bool isRetaining() const {
|
|
return (PropertyAttributes &
|
|
(OBJC_PR_retain | OBJC_PR_strong | OBJC_PR_copy));
|
|
}
|
|
|
|
/// 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_strong)
|
|
return getType()->isBlockPointerType() ? Copy : Retain;
|
|
if (PropertyAttributes & OBJC_PR_retain)
|
|
return Retain;
|
|
if (PropertyAttributes & OBJC_PR_copy)
|
|
return Copy;
|
|
if (PropertyAttributes & OBJC_PR_weak)
|
|
return Weak;
|
|
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;
|
|
}
|
|
|
|
virtual SourceRange getSourceRange() const LLVM_READONLY {
|
|
return SourceRange(AtLoc, getLocation());
|
|
}
|
|
|
|
/// Get the default name of the synthesized ivar.
|
|
IdentifierInfo *getDefaultSynthIvarName(ASTContext &Ctx) const;
|
|
|
|
/// Lookup a property by name in the specified DeclContext.
|
|
static ObjCPropertyDecl *findPropertyDecl(const DeclContext *DC,
|
|
IdentifierInfo *propertyID);
|
|
|
|
static bool classof(const Decl *D) { return classofKind(D->getKind()); }
|
|
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
|
|
|
|
/// \brief For \@synthesize, the location of the ivar, if it was written in
|
|
/// the source code.
|
|
///
|
|
/// \code
|
|
/// \@synthesize int a = b
|
|
/// \endcode
|
|
SourceLocation IvarLoc;
|
|
|
|
/// Property declaration being implemented
|
|
ObjCPropertyDecl *PropertyDecl;
|
|
|
|
/// Null for \@dynamic. Required for \@synthesize.
|
|
ObjCIvarDecl *PropertyIvarDecl;
|
|
|
|
/// Null for \@dynamic. Non-null if property must be copy-constructed in
|
|
/// getter.
|
|
Expr *GetterCXXConstructor;
|
|
|
|
/// Null for \@dynamic. Non-null if property has assignment operator to call
|
|
/// in Setter synthesis.
|
|
Expr *SetterCXXAssignment;
|
|
|
|
ObjCPropertyImplDecl(DeclContext *DC, SourceLocation atLoc, SourceLocation L,
|
|
ObjCPropertyDecl *property,
|
|
Kind PK,
|
|
ObjCIvarDecl *ivarDecl,
|
|
SourceLocation ivarLoc)
|
|
: Decl(ObjCPropertyImpl, DC, L), AtLoc(atLoc),
|
|
IvarLoc(ivarLoc), PropertyDecl(property), PropertyIvarDecl(ivarDecl),
|
|
GetterCXXConstructor(0), SetterCXXAssignment(0) {
|
|
assert (PK == Dynamic || PropertyIvarDecl);
|
|
}
|
|
|
|
public:
|
|
static ObjCPropertyImplDecl *Create(ASTContext &C, DeclContext *DC,
|
|
SourceLocation atLoc, SourceLocation L,
|
|
ObjCPropertyDecl *property,
|
|
Kind PK,
|
|
ObjCIvarDecl *ivarDecl,
|
|
SourceLocation ivarLoc);
|
|
|
|
static ObjCPropertyImplDecl *CreateDeserialized(ASTContext &C, unsigned ID);
|
|
|
|
virtual SourceRange getSourceRange() const LLVM_READONLY;
|
|
|
|
SourceLocation getLocStart() const LLVM_READONLY { 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;
|
|
}
|
|
SourceLocation getPropertyIvarDeclLoc() const { return IvarLoc; }
|
|
|
|
void setPropertyIvarDecl(ObjCIvarDecl *Ivar,
|
|
SourceLocation IvarLoc) {
|
|
PropertyIvarDecl = Ivar;
|
|
this->IvarLoc = IvarLoc;
|
|
}
|
|
|
|
/// \brief For \@synthesize, returns true if an ivar name was explicitly
|
|
/// specified.
|
|
///
|
|
/// \code
|
|
/// \@synthesize int a = b; // true
|
|
/// \@synthesize int a; // false
|
|
/// \endcode
|
|
bool isIvarNameSpecified() const {
|
|
return IvarLoc.isValid() && IvarLoc != getLocation();
|
|
}
|
|
|
|
Expr *getGetterCXXConstructor() const {
|
|
return GetterCXXConstructor;
|
|
}
|
|
void setGetterCXXConstructor(Expr *getterCXXConstructor) {
|
|
GetterCXXConstructor = getterCXXConstructor;
|
|
}
|
|
|
|
Expr *getSetterCXXAssignment() const {
|
|
return SetterCXXAssignment;
|
|
}
|
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void setSetterCXXAssignment(Expr *setterCXXAssignment) {
|
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SetterCXXAssignment = setterCXXAssignment;
|
|
}
|
|
|
|
static bool classof(const Decl *D) { return classofKind(D->getKind()); }
|
|
static bool classofKind(Decl::Kind K) { return K == ObjCPropertyImpl; }
|
|
|
|
friend class ASTDeclReader;
|
|
};
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|
|
} // end namespace clang
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|
#endif
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