DeclObjC.h revision 670aa9d7639278f507930e95dc89c12032ab7c7e
1980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff//===--- DeclObjC.h - Classes for representing declarations -----*- C++ -*-===// 2980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff// 3980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff// The LLVM Compiler Infrastructure 4980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 7980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff// 8980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff//===----------------------------------------------------------------------===// 9980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff// 10980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff// This file defines the DeclObjC interface and subclasses. 11980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff// 12980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff//===----------------------------------------------------------------------===// 13980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 14980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff#ifndef LLVM_CLANG_AST_DECLOBJC_H 15980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff#define LLVM_CLANG_AST_DECLOBJC_H 16980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 17980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff#include "clang/AST/Decl.h" 18c7229c338c21ef26b01ef3ecf9eec4fd373fa9ecChris Lattner#include "clang/Basic/IdentifierTable.h" 19980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 20980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroffnamespace clang { 21980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroffclass Expr; 22980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroffclass Stmt; 23980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroffclass FunctionDecl; 24980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroffclass AttributeList; 25a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCIvarDecl; 26a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCMethodDecl; 27a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCProtocolDecl; 28a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCCategoryDecl; 29a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCPropertyDecl; 3058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 31a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCMethodDecl - Represents an instance or class method declaration. 3258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// ObjC methods can be declared within 4 contexts: class interfaces, 3358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// categories, protocols, and class implementations. While C++ member 3458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// functions leverage C syntax, Objective-C method syntax is modeled after 3558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// Smalltalk (using colons to specify argument types/expressions). 3658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// Here are some brief examples: 3758dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// 3858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// Setter/getter instance methods: 3958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// - (void)setMenu:(NSMenu *)menu; 4058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// - (NSMenu *)menu; 4158dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// 4258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// Instance method that takes 2 NSView arguments: 4358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// - (void)replaceSubview:(NSView *)oldView with:(NSView *)newView; 4458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// 4558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// Getter class method: 4658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// + (NSMenu *)defaultMenu; 4758dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// 4858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// A selector represents a unique name for a method. The selector names for 4958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// the above methods are setMenu:, menu, replaceSubview:with:, and defaultMenu. 5058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff/// 51b048c9835969c4f7fe06264748be18ed4b442116Chris Lattnerclass ObjCMethodDecl : public Decl, public DeclContext { 5258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroffpublic: 5358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff enum ImplementationControl { None, Required, Optional }; 5458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroffprivate: 5558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff /// Bitfields must be first fields in this class so they pack with those 5658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff /// declared in class Decl. 5758dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff /// instance (true) or class (false) method. 5858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff bool IsInstance : 1; 5958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff bool IsVariadic : 1; 6058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 61ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek // NOTE: VC++ treats enums as signed, avoid using ImplementationControl enum 6258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff /// @required/@optional 63ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek unsigned DeclImplementation : 2; 6458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 65ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek // NOTE: VC++ treats enums as signed, avoid using the ObjCDeclQualifier enum 6658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff /// in, inout, etc. 67ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek unsigned objcDeclQualifier : 6; 6858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 6958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff // Context this method is declared in. 7058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff NamedDecl *MethodContext; 7158dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 7258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff // A unigue name for this method. 7358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff Selector SelName; 7458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 7558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff // Type of this method. 7658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff QualType MethodDeclType; 7758dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff /// ParamInfo - new[]'d array of pointers to VarDecls for the formal 7858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff /// parameters of this Method. This is null if there are no formals. 7958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff ParmVarDecl **ParamInfo; 8058cce3b0dcbdcc95b7e713795834b4cb2c8a008aChris Lattner unsigned NumMethodParams; 8158dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 8258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff /// List of attributes for this method declaration. 8358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff AttributeList *MethodAttrs; 8458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 8558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff SourceLocation EndLoc; // the location of the ';' or '{'. 8658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 8758dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff // The following are only used for method definitions, null otherwise. 8858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff // FIXME: space savings opportunity, consider a sub-class. 8958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff Stmt *Body; 9058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff ParmVarDecl *SelfDecl; 916c4ae5de0c356777446f823b573821fb95560d91Chris Lattner 92a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl(SourceLocation beginLoc, SourceLocation endLoc, 9358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff Selector SelInfo, QualType T, 9458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff Decl *contextDecl, 9558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff AttributeList *M = 0, bool isInstance = true, 9658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff bool isVariadic = false, 9758cce3b0dcbdcc95b7e713795834b4cb2c8a008aChris Lattner ImplementationControl impControl = None) 98a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Decl(ObjCMethod, beginLoc), 99b048c9835969c4f7fe06264748be18ed4b442116Chris Lattner DeclContext(ObjCMethod), 10058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff IsInstance(isInstance), IsVariadic(isVariadic), 10158dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff DeclImplementation(impControl), objcDeclQualifier(OBJC_TQ_None), 10258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff MethodContext(static_cast<NamedDecl*>(contextDecl)), 10358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff SelName(SelInfo), MethodDeclType(T), 104b06fa3b86951b9f179c99c3768331536c32e902dChris Lattner ParamInfo(0), NumMethodParams(0), 10558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff MethodAttrs(M), EndLoc(endLoc), Body(0), SelfDecl(0) {} 106b06fa3b86951b9f179c99c3768331536c32e902dChris Lattner virtual ~ObjCMethodDecl(); 1076c4ae5de0c356777446f823b573821fb95560d91Chris Lattnerpublic: 1086c4ae5de0c356777446f823b573821fb95560d91Chris Lattner 1090ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner static ObjCMethodDecl *Create(ASTContext &C, 1100ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation beginLoc, 1116c4ae5de0c356777446f823b573821fb95560d91Chris Lattner SourceLocation endLoc, Selector SelInfo, 1126c4ae5de0c356777446f823b573821fb95560d91Chris Lattner QualType T, Decl *contextDecl, 1136c4ae5de0c356777446f823b573821fb95560d91Chris Lattner AttributeList *M = 0, bool isInstance = true, 1146c4ae5de0c356777446f823b573821fb95560d91Chris Lattner bool isVariadic = false, 115b06fa3b86951b9f179c99c3768331536c32e902dChris Lattner ImplementationControl impControl = None); 11658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 117ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek ObjCDeclQualifier getObjCDeclQualifier() const { 118ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek return ObjCDeclQualifier(objcDeclQualifier); 119ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek } 120a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setObjCDeclQualifier(ObjCDeclQualifier QV) { objcDeclQualifier = QV; } 12158dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 12258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff // Location information, modeled after the Stmt API. 12358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff SourceLocation getLocStart() const { return getLocation(); } 12458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff SourceLocation getLocEnd() const { return EndLoc; } 12558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 12658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff NamedDecl *getMethodContext() const { return MethodContext; } 12758dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 1285619688510185081cbb4621d703daf7ee24cf39aChris Lattner ObjCInterfaceDecl *getClassInterface(); 1295619688510185081cbb4621d703daf7ee24cf39aChris Lattner const ObjCInterfaceDecl *getClassInterface() const { 1305619688510185081cbb4621d703daf7ee24cf39aChris Lattner return const_cast<ObjCMethodDecl*>(this)->getClassInterface(); 131e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner } 13258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 13358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff Selector getSelector() const { return SelName; } 134faf5e779d16bb4590f2a97e1c7ded255eddd90f3Fariborz Jahanian unsigned getSynthesizedMethodSize() const; 13558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff QualType getResultType() const { return MethodDeclType; } 13658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 137d57f635d520e8cb5b93d3d770ff58db06c62de54Chris Lattner // Iterator access to formal parameters. 13858cce3b0dcbdcc95b7e713795834b4cb2c8a008aChris Lattner unsigned param_size() const { return NumMethodParams; } 139d57f635d520e8cb5b93d3d770ff58db06c62de54Chris Lattner typedef ParmVarDecl **param_iterator; 140d57f635d520e8cb5b93d3d770ff58db06c62de54Chris Lattner typedef ParmVarDecl * const *param_const_iterator; 141d57f635d520e8cb5b93d3d770ff58db06c62de54Chris Lattner param_iterator param_begin() { return ParamInfo; } 142d57f635d520e8cb5b93d3d770ff58db06c62de54Chris Lattner param_iterator param_end() { return ParamInfo+param_size(); } 143d57f635d520e8cb5b93d3d770ff58db06c62de54Chris Lattner param_const_iterator param_begin() const { return ParamInfo; } 144d57f635d520e8cb5b93d3d770ff58db06c62de54Chris Lattner param_const_iterator param_end() const { return ParamInfo+param_size(); } 145d57f635d520e8cb5b93d3d770ff58db06c62de54Chris Lattner 14658cce3b0dcbdcc95b7e713795834b4cb2c8a008aChris Lattner unsigned getNumParams() const { return NumMethodParams; } 14758cce3b0dcbdcc95b7e713795834b4cb2c8a008aChris Lattner ParmVarDecl *getParamDecl(unsigned i) const { 14858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff assert(i < getNumParams() && "Illegal param #"); 14958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff return ParamInfo[i]; 15058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 1512338d58a905191c4205d4f73affd0bdaa13493b4Fariborz Jahanian void setParamDecl(int i, ParmVarDecl *pDecl) { 1522338d58a905191c4205d4f73affd0bdaa13493b4Fariborz Jahanian ParamInfo[i] = pDecl; 1532338d58a905191c4205d4f73affd0bdaa13493b4Fariborz Jahanian } 15458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff void setMethodParams(ParmVarDecl **NewParamInfo, unsigned NumParams); 15558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 15658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff AttributeList *getMethodAttrs() const {return MethodAttrs;} 15758dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff bool isInstance() const { return IsInstance; } 15858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff bool isVariadic() const { return IsVariadic; } 15958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 16058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff // Related to protocols declared in @protocol 16158dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff void setDeclImplementation(ImplementationControl ic) { 16258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff DeclImplementation = ic; 16358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 16458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff ImplementationControl getImplementationControl() const { 165ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek return ImplementationControl(DeclImplementation); 16658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 167e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner Stmt *getBody() { return Body; } 168e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner const Stmt *getBody() const { return Body; } 16958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff void setBody(Stmt *B) { Body = B; } 17058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 171e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner const ParmVarDecl *getSelfDecl() const { return SelfDecl; } 172e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner ParmVarDecl *getSelfDecl() { return SelfDecl; } 17358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff void setSelfDecl(ParmVarDecl *PVD) { SelfDecl = PVD; } 17458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 17558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff // Implement isa/cast/dyncast/etc. 176a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const Decl *D) { return D->getKind() == ObjCMethod; } 177a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCMethodDecl *D) { return true; } 17858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff}; 179b245a33e6f562377946dc9cb5694a2d3cb8a98a3Fariborz Jahanian 180a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCInterfaceDecl - Represents an ObjC class declaration. For example: 1810c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 1820c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// // MostPrimitive declares no super class (not particularly useful). 1830c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// @interface MostPrimitive 1840c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// // no instance variables or methods. 1850c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// @end 1860c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 187fd5de471478a507dd2495c4ea9bcab801ea5fa65Chris Lattner/// // NSResponder inherits from NSObject & implements NSCoding (a protocol). 1880c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// @interface NSResponder : NSObject <NSCoding> 189a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// { // instance variables are represented by ObjCIvarDecl. 1900c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// id nextResponder; // nextResponder instance variable. 1910c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// } 1920c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// - (NSResponder *)nextResponder; // return a pointer to NSResponder. 1930c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// - (void)mouseMoved:(NSEvent *)theEvent; // return void, takes a pointer 1940c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// @end // to an NSEvent. 1950c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 1960c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// Unlike C/C++, forward class declarations are accomplished with @class. 1970c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// Unlike C/C++, @class allows for a list of classes to be forward declared. 1980c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// Unlike C++, ObjC is a single-rooted class model. In Cocoa, classes 1990c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// typically inherit from NSObject (an exception is NSProxy). 2000c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 201b048c9835969c4f7fe06264748be18ed4b442116Chris Lattnerclass ObjCInterfaceDecl : public NamedDecl, public DeclContext { 2023110251f13981689f384eb3c0aba2afffea18d9dSteve Naroff /// TypeForDecl - This indicates the Type object that represents this 2033110251f13981689f384eb3c0aba2afffea18d9dSteve Naroff /// TypeDecl. It is a cache maintained by ASTContext::getObjCInterfaceType 2043110251f13981689f384eb3c0aba2afffea18d9dSteve Naroff Type *TypeForDecl; 2053110251f13981689f384eb3c0aba2afffea18d9dSteve Naroff friend class ASTContext; 206980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 207980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// Class's super class. 208a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *SuperClass; 209980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 210980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// Protocols referenced in interface header declaration 211a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **ReferencedProtocols; // Null if none 212c395bda57a0b2f6d8433a462caa780a7dcb7307bFariborz Jahanian unsigned NumReferencedProtocols; // 0 if none 213980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 214980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// Ivars/NumIvars - This is a new[]'d array of pointers to Decls. 215a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCIvarDecl **Ivars; // Null if not defined. 216f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner unsigned NumIvars; // 0 if none. 217980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 218980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// instance methods 219a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl **InstanceMethods; // Null if not defined 220b5feb35360526da42ad7e3fa7ef3d44a5992b83cChris Lattner unsigned NumInstanceMethods; // 0 if none. 221980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 222980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// class methods 223a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl **ClassMethods; // Null if not defined 22462db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner unsigned NumClassMethods; // 0 if none 225980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 226980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// List of categories defined for this class. 227a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCCategoryDecl *CategoryList; 22882a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 22982a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian /// class properties 230a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCPropertyDecl **PropertyDecl; // Null if no property 23155d13b4d5530a14d5baa72adab32ae78ba256cafChris Lattner unsigned NumPropertyDecl; // 0 if none. 232980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 2333a3ca1b35a7121aea0bf465a192dce748465e10fFariborz Jahanian bool ForwardDecl:1; // declared with @class. 2343a3ca1b35a7121aea0bf465a192dce748465e10fFariborz Jahanian bool InternalInterface:1; // true - no @interface for @implementation 23560fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 236f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff SourceLocation EndLoc; // marks the '>', '}', or identifier. 237f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff SourceLocation AtEndLoc; // marks the end of the entire interface. 2380e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattner 2390ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner ObjCInterfaceDecl(SourceLocation atLoc, 2400ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner unsigned numRefProtos, 241cca59d77c4b84fd2da268018dbaf9431a621e75bChris Lattner IdentifierInfo *Id, bool FD, bool isInternal) 242b048c9835969c4f7fe06264748be18ed4b442116Chris Lattner : NamedDecl(ObjCInterface, atLoc, Id), DeclContext(ObjCInterface), 2430ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner TypeForDecl(0), SuperClass(0), 244c395bda57a0b2f6d8433a462caa780a7dcb7307bFariborz Jahanian ReferencedProtocols(0), NumReferencedProtocols(0), Ivars(0), 245f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner NumIvars(0), 246b5feb35360526da42ad7e3fa7ef3d44a5992b83cChris Lattner InstanceMethods(0), NumInstanceMethods(0), 24762db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner ClassMethods(0), NumClassMethods(0), 248f4af5154571e0c5eadb19df10e65464766ef6683Chris Lattner CategoryList(0), PropertyDecl(0), NumPropertyDecl(0), 24982a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian ForwardDecl(FD), InternalInterface(isInternal) { 250980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff AllocIntfRefProtocols(numRefProtos); 251980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff } 2520e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattnerpublic: 2530e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattner 2540ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner static ObjCInterfaceDecl *Create(ASTContext &C, 2550ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation atLoc, 2560e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattner unsigned numRefProtos, IdentifierInfo *Id, 2570e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattner bool ForwardDecl = false, 2580e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattner bool isInternal = false); 259a5997c4f36e0f5aa44623a5b1e3b914760d1ec68Steve Naroff 260a5997c4f36e0f5aa44623a5b1e3b914760d1ec68Steve Naroff // This is necessary when converting a forward declaration to a definition. 261980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff void AllocIntfRefProtocols(unsigned numRefProtos) { 262980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff if (numRefProtos) { 263a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ReferencedProtocols = new ObjCProtocolDecl*[numRefProtos]; 2647ed9e0f97f4645edc5d4670385b985ea4c617ce7Fariborz Jahanian memset(ReferencedProtocols, '\0', 265a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek numRefProtos*sizeof(ObjCProtocolDecl*)); 2667ed9e0f97f4645edc5d4670385b985ea4c617ce7Fariborz Jahanian NumReferencedProtocols = numRefProtos; 267980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff } 268980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff } 269980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 270a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **getReferencedProtocols() const { 2717ed9e0f97f4645edc5d4670385b985ea4c617ce7Fariborz Jahanian return ReferencedProtocols; 2727ed9e0f97f4645edc5d4670385b985ea4c617ce7Fariborz Jahanian } 273c395bda57a0b2f6d8433a462caa780a7dcb7307bFariborz Jahanian unsigned getNumIntfRefProtocols() const { return NumReferencedProtocols; } 274980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 275a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek typedef ObjCIvarDecl * const *ivar_iterator; 276be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner ivar_iterator ivar_begin() const { return Ivars; } 2775564e07af5e62875f3b83fc2e5a8823588b5adeaChris Lattner ivar_iterator ivar_end() const { return Ivars + ivar_size();} 278f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner unsigned ivar_size() const { return NumIvars; } 279be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner 280b5feb35360526da42ad7e3fa7ef3d44a5992b83cChris Lattner unsigned getNumInstanceMethods() const { return NumInstanceMethods; } 28162db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner unsigned getNumClassMethods() const { return NumClassMethods; } 282980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 283a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek typedef ObjCMethodDecl * const * instmeth_iterator; 2844c52509ffb9fdd6c93aa7b50812e316f1d920a26Chris Lattner instmeth_iterator instmeth_begin() const { return InstanceMethods; } 2854c52509ffb9fdd6c93aa7b50812e316f1d920a26Chris Lattner instmeth_iterator instmeth_end() const { 286b5feb35360526da42ad7e3fa7ef3d44a5992b83cChris Lattner return InstanceMethods+NumInstanceMethods; 2874c52509ffb9fdd6c93aa7b50812e316f1d920a26Chris Lattner } 2884c52509ffb9fdd6c93aa7b50812e316f1d920a26Chris Lattner 289a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek typedef ObjCMethodDecl * const * classmeth_iterator; 2904c52509ffb9fdd6c93aa7b50812e316f1d920a26Chris Lattner classmeth_iterator classmeth_begin() const { return ClassMethods; } 2914c52509ffb9fdd6c93aa7b50812e316f1d920a26Chris Lattner classmeth_iterator classmeth_end() const { 29262db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner return ClassMethods+NumClassMethods; 2934c52509ffb9fdd6c93aa7b50812e316f1d920a26Chris Lattner } 2944c52509ffb9fdd6c93aa7b50812e316f1d920a26Chris Lattner 295a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void addInstanceVariablesToClass(ObjCIvarDecl **ivars, unsigned numIvars, 29660fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation RBracLoc); 297980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 298a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void addMethods(ObjCMethodDecl **insMethods, unsigned numInsMembers, 299a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl **clsMethods, unsigned numClsMembers, 30060fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation AtEnd); 301980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 30255d13b4d5530a14d5baa72adab32ae78ba256cafChris Lattner void addProperties(ObjCPropertyDecl **Properties, unsigned NumProperties); 30355d13b4d5530a14d5baa72adab32ae78ba256cafChris Lattner 30455d13b4d5530a14d5baa72adab32ae78ba256cafChris Lattner 305768f26ee5892cd63ff0335a15d71a2385ba7c5eaSteve Naroff bool isForwardDecl() const { return ForwardDecl; } 306768f26ee5892cd63ff0335a15d71a2385ba7c5eaSteve Naroff void setForwardDecl(bool val) { ForwardDecl = val; } 307980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 308a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setIntfRefProtocols(unsigned idx, ObjCProtocolDecl *OID) { 3097ed9e0f97f4645edc5d4670385b985ea4c617ce7Fariborz Jahanian assert((idx < NumReferencedProtocols) && "index out of range"); 3107ed9e0f97f4645edc5d4670385b985ea4c617ce7Fariborz Jahanian ReferencedProtocols[idx] = OID; 311980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff } 312980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 313a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *getSuperClass() const { return SuperClass; } 314a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setSuperClass(ObjCInterfaceDecl * superCls) { SuperClass = superCls; } 315980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 316a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCCategoryDecl* getCategoryList() const { return CategoryList; } 317a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setCategoryList(ObjCCategoryDecl *category) { 31853efc251792bf2c9c5f295bd3507facc51a1fe7eChris Lattner CategoryList = category; 319980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff } 32053efc251792bf2c9c5f295bd3507facc51a1fe7eChris Lattner 32153efc251792bf2c9c5f295bd3507facc51a1fe7eChris Lattner /// isSuperClassOf - Return true if this class is the specified class or is a 32253efc251792bf2c9c5f295bd3507facc51a1fe7eChris Lattner /// super class of the specified interface class. 32353efc251792bf2c9c5f295bd3507facc51a1fe7eChris Lattner bool isSuperClassOf(const ObjCInterfaceDecl *I) const { 32453efc251792bf2c9c5f295bd3507facc51a1fe7eChris Lattner // If RHS is derived from LHS it is OK; else it is not OK. 32553efc251792bf2c9c5f295bd3507facc51a1fe7eChris Lattner while (I != NULL) { 32653efc251792bf2c9c5f295bd3507facc51a1fe7eChris Lattner if (this == I) 32753efc251792bf2c9c5f295bd3507facc51a1fe7eChris Lattner return true; 32853efc251792bf2c9c5f295bd3507facc51a1fe7eChris Lattner I = I->getSuperClass(); 32953efc251792bf2c9c5f295bd3507facc51a1fe7eChris Lattner } 33053efc251792bf2c9c5f295bd3507facc51a1fe7eChris Lattner return false; 33153efc251792bf2c9c5f295bd3507facc51a1fe7eChris Lattner } 33253efc251792bf2c9c5f295bd3507facc51a1fe7eChris Lattner 333a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCIvarDecl *lookupInstanceVariable(IdentifierInfo *ivarName, 334a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *&clsDeclared); 335c81c8144a661a49d7b9dae8d2080dee2e43186ecChris Lattner 33658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff // Get the local instance method declared in this interface. 33753efc251792bf2c9c5f295bd3507facc51a1fe7eChris Lattner ObjCMethodDecl *getInstanceMethod(Selector Sel) { 33858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff for (instmeth_iterator I = instmeth_begin(), E = instmeth_end(); 3390e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattner I != E; ++I) { 34058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff if ((*I)->getSelector() == Sel) 34158dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff return *I; 34258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 3430e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattner return 0; 34458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 34558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff // Get the local class method declared in this interface. 34653efc251792bf2c9c5f295bd3507facc51a1fe7eChris Lattner ObjCMethodDecl *getClassMethod(Selector Sel) { 34758dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff for (classmeth_iterator I = classmeth_begin(), E = classmeth_end(); 3480e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattner I != E; ++I) { 34958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff if ((*I)->getSelector() == Sel) 35058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff return *I; 35158dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 3520e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattner return 0; 35358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 35494a5c3334bba3cc8cd1da85ba1118bc2c080add9Steve Naroff // Lookup a method. First, we search locally. If a method isn't 35594a5c3334bba3cc8cd1da85ba1118bc2c080add9Steve Naroff // found, we search referenced protocols and class categories. 356a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *lookupInstanceMethod(Selector Sel); 357a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *lookupClassMethod(Selector Sel); 35860fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 359f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff // Location information, modeled after the Stmt API. 36060fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation getLocStart() const { return getLocation(); } // '@'interface 361f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff SourceLocation getLocEnd() const { return EndLoc; } 362f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff void setLocEnd(SourceLocation LE) { EndLoc = LE; }; 36360fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff 36460fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff // We also need to record the @end location. 365f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff SourceLocation getAtEndLoc() const { return AtEndLoc; } 36682a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 367f4af5154571e0c5eadb19df10e65464766ef6683Chris Lattner unsigned getNumPropertyDecl() const { return NumPropertyDecl; } 36882a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 36955d13b4d5530a14d5baa72adab32ae78ba256cafChris Lattner ObjCPropertyDecl * const * getPropertyDecl() const { return PropertyDecl; } 370a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCPropertyDecl **getPropertyDecl() { return PropertyDecl; } 371f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff 3724b6df3fa953267c5d755628c8afd818bb571e579Fariborz Jahanian /// ImplicitInterfaceDecl - check that this is an implicitely declared 373a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek /// ObjCInterfaceDecl node. This is for legacy objective-c @implementation 3744b6df3fa953267c5d755628c8afd818bb571e579Fariborz Jahanian /// declaration without an @interface declaration. 3753a3ca1b35a7121aea0bf465a192dce748465e10fFariborz Jahanian bool ImplicitInterfaceDecl() const { return InternalInterface; } 3764b6df3fa953267c5d755628c8afd818bb571e579Fariborz Jahanian 377a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const Decl *D) { return D->getKind() == ObjCInterface; } 378a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCInterfaceDecl *D) { return true; } 379980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff}; 380980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 381a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCIvarDecl - Represents an ObjC instance variable. In general, ObjC 3820c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// instance variables are identical to C. The only exception is Objective-C 3830c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// supports C++ style access control. For example: 3840c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 3850c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// @interface IvarExample : NSObject 3860c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// { 3870c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// id defaultToPrivate; // same as C++. 3880c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// @public: 3890c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// id canBePublic; // same as C++. 3900c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// @protected: 3910c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// id canBeProtected; // same as C++. 3920c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// @package: 3930c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// id canBePackage; // framework visibility (not available in C++). 3940c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// } 3950c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 396a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCIvarDecl : public FieldDecl { 397b048c9835969c4f7fe06264748be18ed4b442116Chris Lattner ObjCIvarDecl(SourceLocation L, IdentifierInfo *Id, QualType T) 398b048c9835969c4f7fe06264748be18ed4b442116Chris Lattner : FieldDecl(ObjCIvar, L, Id, T) {} 3990e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattnerpublic: 400b048c9835969c4f7fe06264748be18ed4b442116Chris Lattner static ObjCIvarDecl *Create(ASTContext &C, SourceLocation L, 4010e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattner IdentifierInfo *Id, QualType T); 402980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 403980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff enum AccessControl { 404980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff None, Private, Protected, Public, Package 405980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff }; 406980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff void setAccessControl(AccessControl ac) { DeclAccess = ac; } 407ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek AccessControl getAccessControl() const { return AccessControl(DeclAccess); } 408980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 409980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff // Implement isa/cast/dyncast/etc. 410a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const Decl *D) { return D->getKind() == ObjCIvar; } 411a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCIvarDecl *D) { return true; } 412980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroffprivate: 413ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek // NOTE: VC++ treats enums as signed, avoid using the AccessControl enum 414ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek unsigned DeclAccess : 3; 415980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff}; 416980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 417980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 418a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCProtocolDecl - Represents a protocol declaration. ObjC protocols 4190c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// declare a pure abstract type (i.e no instance variables are permitted). 4200c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// Protocols orginally drew inspiration from C++ pure virtual functions (a C++ 4210c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// feature with nice semantics and lousy syntax:-). Here is an example: 4220c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 423eca7be6b7ebd93682eeaab2c71d59f2995dacdccChris Lattner/// @protocol NSDraggingInfo <refproto1, refproto2> 4240c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// - (NSWindow *)draggingDestinationWindow; 4250c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// - (NSImage *)draggedImage; 4260c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// @end 4270c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 428eca7be6b7ebd93682eeaab2c71d59f2995dacdccChris Lattner/// This says that NSDraggingInfo requires two methods and requires everything 429eca7be6b7ebd93682eeaab2c71d59f2995dacdccChris Lattner/// that the two "referenced protocols" 'refproto1' and 'refproto2' require as 430eca7be6b7ebd93682eeaab2c71d59f2995dacdccChris Lattner/// well. 431eca7be6b7ebd93682eeaab2c71d59f2995dacdccChris Lattner/// 4320c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// @interface ImplementsNSDraggingInfo : NSObject <NSDraggingInfo> 4330c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// @end 4340c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 435a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjC protocols inspired Java interfaces. Unlike Java, ObjC classes and 4360c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// protocols are in distinct namespaces. For example, Cocoa defines both 4370c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// an NSObject protocol and class (which isn't allowed in Java). As a result, 4380c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// protocols are referenced using angle brackets as follows: 4390c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 4400c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// id <NSDraggingInfo> anyObjectThatImplementsNSDraggingInfo; 4410c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 442a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCProtocolDecl : public NamedDecl { 443980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// referenced protocols 444a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **ReferencedProtocols; // Null if none 445c395bda57a0b2f6d8433a462caa780a7dcb7307bFariborz Jahanian unsigned NumReferencedProtocols; // 0 if none 446980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 447980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// protocol instance methods 448a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl **InstanceMethods; // Null if not defined 44962db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner unsigned NumInstanceMethods; // 0 if none 450980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 451980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// protocol class methods 452a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl **ClassMethods; // Null if not defined 45362db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner unsigned NumClassMethods; // 0 if none 454980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 455980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff bool isForwardProtoDecl; // declared with @protocol. 456423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff 457423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff SourceLocation EndLoc; // marks the '>' or identifier. 458423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff SourceLocation AtEndLoc; // marks the end of the entire interface. 459cca59d77c4b84fd2da268018dbaf9431a621e75bChris Lattner 460c858105d41602a2dadb2efbc1af80a7b791ebac3Chris Lattner ObjCProtocolDecl(SourceLocation L, unsigned numRefProtos, IdentifierInfo *Id) 461a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : NamedDecl(ObjCProtocol, L, Id), 462c395bda57a0b2f6d8433a462caa780a7dcb7307bFariborz Jahanian ReferencedProtocols(0), NumReferencedProtocols(0), 46362db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner InstanceMethods(0), NumInstanceMethods(0), 46462db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner ClassMethods(0), NumClassMethods(0), 465c858105d41602a2dadb2efbc1af80a7b791ebac3Chris Lattner isForwardProtoDecl(true) { 466cca59d77c4b84fd2da268018dbaf9431a621e75bChris Lattner AllocReferencedProtocols(numRefProtos); 467cca59d77c4b84fd2da268018dbaf9431a621e75bChris Lattner } 468cca59d77c4b84fd2da268018dbaf9431a621e75bChris Lattnerpublic: 469cca59d77c4b84fd2da268018dbaf9431a621e75bChris Lattner static ObjCProtocolDecl *Create(ASTContext &C, SourceLocation L, 470c858105d41602a2dadb2efbc1af80a7b791ebac3Chris Lattner unsigned numRefProtos, IdentifierInfo *Id); 471cca59d77c4b84fd2da268018dbaf9431a621e75bChris Lattner 472980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff void AllocReferencedProtocols(unsigned numRefProtos) { 473980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff if (numRefProtos) { 474a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ReferencedProtocols = new ObjCProtocolDecl*[numRefProtos]; 475980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff memset(ReferencedProtocols, '\0', 476a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek numRefProtos*sizeof(ObjCProtocolDecl*)); 477980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff NumReferencedProtocols = numRefProtos; 478980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff } 479980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff } 480a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void addMethods(ObjCMethodDecl **insMethods, unsigned numInsMembers, 481a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl **clsMethods, unsigned numClsMembers, 48260fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation AtEndLoc); 483980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 484a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setReferencedProtocols(unsigned idx, ObjCProtocolDecl *OID) { 485980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff assert((idx < NumReferencedProtocols) && "index out of range"); 486980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff ReferencedProtocols[idx] = OID; 487980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff } 488980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 489a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl** getReferencedProtocols() const { 490980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff return ReferencedProtocols; 491980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff } 492c395bda57a0b2f6d8433a462caa780a7dcb7307bFariborz Jahanian unsigned getNumReferencedProtocols() const { return NumReferencedProtocols; } 493c858105d41602a2dadb2efbc1af80a7b791ebac3Chris Lattner unsigned getNumInstanceMethods() const { return NumInstanceMethods; } 49462db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner unsigned getNumClassMethods() const { return NumClassMethods; } 49558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 496a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek typedef ObjCMethodDecl * const * instmeth_iterator; 49758dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff instmeth_iterator instmeth_begin() const { return InstanceMethods; } 49858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff instmeth_iterator instmeth_end() const { 49962db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner return InstanceMethods+NumInstanceMethods; 50058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 50158dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 502a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek typedef ObjCMethodDecl * const * classmeth_iterator; 50358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff classmeth_iterator classmeth_begin() const { return ClassMethods; } 50458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff classmeth_iterator classmeth_end() const { 50562db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner return ClassMethods+NumClassMethods; 50658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 50758dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 50858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff // Get the local instance method declared in this interface. 50962db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner ObjCMethodDecl *getInstanceMethod(Selector Sel) { 51062db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner for (instmeth_iterator I = instmeth_begin(), E = instmeth_end(); 51162db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner I != E; ++I) { 51258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff if ((*I)->getSelector() == Sel) 51358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff return *I; 51458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 51562db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner return 0; 51658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 51758dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff // Get the local class method declared in this interface. 51862db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner ObjCMethodDecl *getClassMethod(Selector Sel) { 51958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff for (classmeth_iterator I = classmeth_begin(), E = classmeth_end(); 52062db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner I != E; ++I) { 52158dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff if ((*I)->getSelector() == Sel) 52258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff return *I; 52358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 52462db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner return 0; 52558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 526980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 52794a5c3334bba3cc8cd1da85ba1118bc2c080add9Steve Naroff // Lookup a method. First, we search locally. If a method isn't 52894a5c3334bba3cc8cd1da85ba1118bc2c080add9Steve Naroff // found, we search referenced protocols and class categories. 529a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *lookupInstanceMethod(Selector Sel); 530a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *lookupClassMethod(Selector Sel); 5317dd82836dca87cf828ce994f161b53a34f6cdb7eFariborz Jahanian 532768f26ee5892cd63ff0335a15d71a2385ba7c5eaSteve Naroff bool isForwardDecl() const { return isForwardProtoDecl; } 533768f26ee5892cd63ff0335a15d71a2385ba7c5eaSteve Naroff void setForwardDecl(bool val) { isForwardProtoDecl = val; } 534980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 535423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff // Location information, modeled after the Stmt API. 536423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff SourceLocation getLocStart() const { return getLocation(); } // '@'protocol 537423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff SourceLocation getLocEnd() const { return EndLoc; } 538423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff void setLocEnd(SourceLocation LE) { EndLoc = LE; }; 539423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff 540423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff // We also need to record the @end location. 541423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff SourceLocation getAtEndLoc() const { return AtEndLoc; } 542423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff 543a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const Decl *D) { return D->getKind() == ObjCProtocol; } 544a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCProtocolDecl *D) { return true; } 545980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff}; 546980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 547a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCClassDecl - Specifies a list of forward class declarations. For example: 54806ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff/// 54906ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff/// @class NSCursor, NSImage, NSPasteboard, NSWindow; 5500c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 551a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCClassDecl : public Decl { 552a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl **ForwardDecls; 5537e620729fcb5a0042107f999dcf524f7357ce819Chris Lattner unsigned NumForwardDecls; 55461f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner 555a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCClassDecl(SourceLocation L, ObjCInterfaceDecl **Elts, unsigned nElts) 556a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Decl(ObjCClass, L) { 55706ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff if (nElts) { 558a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ForwardDecls = new ObjCInterfaceDecl*[nElts]; 559a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek memcpy(ForwardDecls, Elts, nElts*sizeof(ObjCInterfaceDecl*)); 5607e620729fcb5a0042107f999dcf524f7357ce819Chris Lattner } else { 5617e620729fcb5a0042107f999dcf524f7357ce819Chris Lattner ForwardDecls = 0; 56206ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff } 56306ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff NumForwardDecls = nElts; 56406ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff } 56561f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattnerpublic: 56661f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner static ObjCClassDecl *Create(ASTContext &C, SourceLocation L, 56761f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner ObjCInterfaceDecl **Elts, unsigned nElts); 56861f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner 569a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setInterfaceDecl(unsigned idx, ObjCInterfaceDecl *OID) { 5707e620729fcb5a0042107f999dcf524f7357ce819Chris Lattner assert(idx < NumForwardDecls && "index out of range"); 57106ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff ForwardDecls[idx] = OID; 57206ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff } 573a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl** getForwardDecls() const { return ForwardDecls; } 5747e15891fc89256fc013bd1003676ad3197b85c25Steve Naroff int getNumForwardDecls() const { return NumForwardDecls; } 5757e15891fc89256fc013bd1003676ad3197b85c25Steve Naroff 576a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const Decl *D) { return D->getKind() == ObjCClass; } 577a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCClassDecl *D) { return true; } 57806ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff}; 57906ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff 580a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCForwardProtocolDecl - Specifies a list of forward protocol declarations. 58106ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff/// For example: 58206ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff/// 5830c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// @protocol NSTextInput, NSChangeSpelling, NSDraggingInfo; 5840c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 585a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCForwardProtocolDecl : public Decl { 586a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **ReferencedProtocols; 5879fa5e65d08aee1875c5f2a841c8b0b4069bd00e5Chris Lattner unsigned NumReferencedProtocols; 58861f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner 5890ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner ObjCForwardProtocolDecl(SourceLocation L, 590a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **Elts, unsigned nElts) 591a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : Decl(ObjCForwardProtocol, L) { 592b97de3eddf0a0f7ff97204e7def6b7e0aa8953f2Chris Lattner NumReferencedProtocols = nElts; 59306ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff if (nElts) { 594a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ReferencedProtocols = new ObjCProtocolDecl*[nElts]; 595a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek memcpy(ReferencedProtocols, Elts, nElts*sizeof(ObjCProtocolDecl*)); 5969fa5e65d08aee1875c5f2a841c8b0b4069bd00e5Chris Lattner } else { 5979fa5e65d08aee1875c5f2a841c8b0b4069bd00e5Chris Lattner ReferencedProtocols = 0; 598980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff } 59906ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff } 60061f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattnerpublic: 60161f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner static ObjCForwardProtocolDecl *Create(ASTContext &C, SourceLocation L, 60261f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner ObjCProtocolDecl **Elts, unsigned Num); 60361f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner 60461f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner 605a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setForwardProtocolDecl(unsigned idx, ObjCProtocolDecl *OID) { 6069fa5e65d08aee1875c5f2a841c8b0b4069bd00e5Chris Lattner assert(idx < NumReferencedProtocols && "index out of range"); 6077ed9e0f97f4645edc5d4670385b985ea4c617ce7Fariborz Jahanian ReferencedProtocols[idx] = OID; 60806ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff } 6099fa5e65d08aee1875c5f2a841c8b0b4069bd00e5Chris Lattner 6109fa5e65d08aee1875c5f2a841c8b0b4069bd00e5Chris Lattner unsigned getNumForwardDecls() const { return NumReferencedProtocols; } 6119fa5e65d08aee1875c5f2a841c8b0b4069bd00e5Chris Lattner 612a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl *getForwardProtocolDecl(unsigned idx) { 6139fa5e65d08aee1875c5f2a841c8b0b4069bd00e5Chris Lattner assert(idx < NumReferencedProtocols && "index out of range"); 6149fa5e65d08aee1875c5f2a841c8b0b4069bd00e5Chris Lattner return ReferencedProtocols[idx]; 6159fa5e65d08aee1875c5f2a841c8b0b4069bd00e5Chris Lattner } 616a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek const ObjCProtocolDecl *getForwardProtocolDecl(unsigned idx) const { 6179fa5e65d08aee1875c5f2a841c8b0b4069bd00e5Chris Lattner assert(idx < NumReferencedProtocols && "index out of range"); 6189fa5e65d08aee1875c5f2a841c8b0b4069bd00e5Chris Lattner return ReferencedProtocols[idx]; 6199fa5e65d08aee1875c5f2a841c8b0b4069bd00e5Chris Lattner } 6209fa5e65d08aee1875c5f2a841c8b0b4069bd00e5Chris Lattner 62106ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff static bool classof(const Decl *D) { 622a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return D->getKind() == ObjCForwardProtocol; 62306ae8d68ef258ccd40c9cd1ce762eaae6f3d4432Steve Naroff } 624a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCForwardProtocolDecl *D) { return true; } 625980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff}; 626980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 627a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCCategoryDecl - Represents a category declaration. A category allows 6280c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// you to add methods to an existing class (without subclassing or modifying 6290c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// the original class interface or implementation:-). Categories don't allow 6300c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// you to add instance data. The following example adds "myMethod" to all 6310c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// NSView's within a process: 6320c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 6330c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// @interface NSView (MyViewMethods) 6340c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// - myMethod; 6350c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// @end 6360c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 6370c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// Cateogries also allow you to split the implementation of a class across 6380c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// several files (a feature more naturally supported in C++). 6390c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 6400c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// Categories were originally inspired by dynamic languages such as Common 64168c82cf61228102aba1194efef222fa1478af2a8Chris Lattner/// Lisp and Smalltalk. More traditional class-based languages (C++, Java) 6420c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// don't support this level of dynamism, which is both powerful and dangerous. 6430c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 644a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCCategoryDecl : public NamedDecl { 645980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// Interface belonging to this category 646a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *ClassInterface; 647980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 64868c82cf61228102aba1194efef222fa1478af2a8Chris Lattner /// referenced protocols in this category. 649a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **ReferencedProtocols; // Null if none 650c395bda57a0b2f6d8433a462caa780a7dcb7307bFariborz Jahanian unsigned NumReferencedProtocols; // 0 if none 651980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 652980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// category instance methods 653a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl **InstanceMethods; // Null if not defined 654c858105d41602a2dadb2efbc1af80a7b791ebac3Chris Lattner unsigned NumInstanceMethods; // 0 if none 655980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 656980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// category class methods 657a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl **ClassMethods; // Null if not defined 658a906135721c350435319347d2672bbb3bf494f91Chris Lattner unsigned NumClassMethods; // 0 if not defined 659980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 660980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// Next category belonging to this class 661a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCCategoryDecl *NextClassCategory; 662ca3adf7e8cac8c9fbaf592b1e5c2be6f082de7baFariborz Jahanian 663423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff SourceLocation EndLoc; // marks the '>' or identifier. 664423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff SourceLocation AtEndLoc; // marks the end of the entire interface. 66561f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner 66668c82cf61228102aba1194efef222fa1478af2a8Chris Lattner ObjCCategoryDecl(SourceLocation L, IdentifierInfo *Id) 667a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : NamedDecl(ObjCCategory, L, Id), 668c395bda57a0b2f6d8433a462caa780a7dcb7307bFariborz Jahanian ClassInterface(0), ReferencedProtocols(0), NumReferencedProtocols(0), 669c858105d41602a2dadb2efbc1af80a7b791ebac3Chris Lattner InstanceMethods(0), NumInstanceMethods(0), 670a906135721c350435319347d2672bbb3bf494f91Chris Lattner ClassMethods(0), NumClassMethods(0), 671e5ab7f31054e87ee812830480a828a762cd9eb73Chris Lattner NextClassCategory(0) { 672a906135721c350435319347d2672bbb3bf494f91Chris Lattner } 67361f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattnerpublic: 67461f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner 6750ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner static ObjCCategoryDecl *Create(ASTContext &C, 6760ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation L, IdentifierInfo *Id); 67761f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner 678e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner ObjCInterfaceDecl *getClassInterface() { return ClassInterface; } 679e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner const ObjCInterfaceDecl *getClassInterface() const { return ClassInterface; } 680a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setClassInterface(ObjCInterfaceDecl *IDecl) { ClassInterface = IDecl; } 681980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 68268c82cf61228102aba1194efef222fa1478af2a8Chris Lattner void setReferencedProtocolList(ObjCProtocolDecl **List, unsigned NumRPs); 68368c82cf61228102aba1194efef222fa1478af2a8Chris Lattner 684a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void setCatReferencedProtocols(unsigned idx, ObjCProtocolDecl *OID) { 6857ed9e0f97f4645edc5d4670385b985ea4c617ce7Fariborz Jahanian assert((idx < NumReferencedProtocols) && "index out of range"); 6867ed9e0f97f4645edc5d4670385b985ea4c617ce7Fariborz Jahanian ReferencedProtocols[idx] = OID; 687980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff } 688980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 689a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtocolDecl **getReferencedProtocols() const { 6907ed9e0f97f4645edc5d4670385b985ea4c617ce7Fariborz Jahanian return ReferencedProtocols; 6918f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian } 692c395bda57a0b2f6d8433a462caa780a7dcb7307bFariborz Jahanian unsigned getNumReferencedProtocols() const { return NumReferencedProtocols; } 693c858105d41602a2dadb2efbc1af80a7b791ebac3Chris Lattner unsigned getNumInstanceMethods() const { return NumInstanceMethods; } 694a906135721c350435319347d2672bbb3bf494f91Chris Lattner unsigned getNumClassMethods() const { return NumClassMethods; } 69558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 696a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek typedef ObjCMethodDecl * const * instmeth_iterator; 69758dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff instmeth_iterator instmeth_begin() const { return InstanceMethods; } 69858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff instmeth_iterator instmeth_end() const { 699c858105d41602a2dadb2efbc1af80a7b791ebac3Chris Lattner return InstanceMethods+NumInstanceMethods; 70058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 70158dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 702a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek typedef ObjCMethodDecl * const * classmeth_iterator; 70358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff classmeth_iterator classmeth_begin() const { return ClassMethods; } 70458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff classmeth_iterator classmeth_end() const { 705a906135721c350435319347d2672bbb3bf494f91Chris Lattner return ClassMethods+NumClassMethods; 70658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 70758dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 70858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff // Get the local instance method declared in this interface. 70968c82cf61228102aba1194efef222fa1478af2a8Chris Lattner ObjCMethodDecl *getInstanceMethod(Selector Sel) { 71058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff for (instmeth_iterator I = instmeth_begin(), E = instmeth_end(); 71168c82cf61228102aba1194efef222fa1478af2a8Chris Lattner I != E; ++I) { 71258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff if ((*I)->getSelector() == Sel) 71358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff return *I; 71458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 71568c82cf61228102aba1194efef222fa1478af2a8Chris Lattner return 0; 71658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 71758dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff // Get the local class method declared in this interface. 71868c82cf61228102aba1194efef222fa1478af2a8Chris Lattner ObjCMethodDecl *getClassMethod(Selector Sel) { 71958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff for (classmeth_iterator I = classmeth_begin(), E = classmeth_end(); 72068c82cf61228102aba1194efef222fa1478af2a8Chris Lattner I != E; ++I) { 72158dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff if ((*I)->getSelector() == Sel) 72258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff return *I; 72358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 72468c82cf61228102aba1194efef222fa1478af2a8Chris Lattner return 0; 72558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } 7268f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian 727a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void addMethods(ObjCMethodDecl **insMethods, unsigned numInsMembers, 728a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl **clsMethods, unsigned numClsMembers, 72960fcceeedbfc8b4a99cb942e2bc5aeb9e2f92a1fSteve Naroff SourceLocation AtEndLoc); 730980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 731a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCCategoryDecl *getNextClassCategory() const { return NextClassCategory; } 732980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff void insertNextClassCategory() { 7333d58138992b9bc7b34aaa680f3ddf3971292eb7dSteve Naroff NextClassCategory = ClassInterface->getCategoryList(); 7343d58138992b9bc7b34aaa680f3ddf3971292eb7dSteve Naroff ClassInterface->setCategoryList(this); 735980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff } 736423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff // Location information, modeled after the Stmt API. 737423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff SourceLocation getLocStart() const { return getLocation(); } // '@'interface 738423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff SourceLocation getLocEnd() const { return EndLoc; } 739423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff void setLocEnd(SourceLocation LE) { EndLoc = LE; }; 740423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff 741423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff // We also need to record the @end location. 742423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff SourceLocation getAtEndLoc() const { return AtEndLoc; } 743ca3adf7e8cac8c9fbaf592b1e5c2be6f082de7baFariborz Jahanian 744a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const Decl *D) { return D->getKind() == ObjCCategory; } 745a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCCategoryDecl *D) { return true; } 746980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff}; 7470c6b6243d3efd958c17943130e2a773653511edcSteve Naroff 748a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCCategoryImplDecl - An object of this class encapsulates a category 7498f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian/// @implementation declaration. 750a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCCategoryImplDecl : public NamedDecl { 7518f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian /// Class interface for this category implementation 752a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *ClassInterface; 7538f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian 754e1e6c0d5c79c0ee7ed62fef47a19aa7ecef40db4Steve Naroff /// implemented instance methods 755a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::SmallVector<ObjCMethodDecl*, 32> InstanceMethods; 7568f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian 757e1e6c0d5c79c0ee7ed62fef47a19aa7ecef40db4Steve Naroff /// implemented class methods 758a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::SmallVector<ObjCMethodDecl*, 32> ClassMethods; 759e1e6c0d5c79c0ee7ed62fef47a19aa7ecef40db4Steve Naroff 760e1e6c0d5c79c0ee7ed62fef47a19aa7ecef40db4Steve Naroff SourceLocation EndLoc; 76175c9cae5f85c72cbb1649e93849e16ede3f07522Chris Lattner 762a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCCategoryImplDecl(SourceLocation L, IdentifierInfo *Id, 763a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *classInterface) 764a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : NamedDecl(ObjCCategoryImpl, L, Id), ClassInterface(classInterface) {} 76575c9cae5f85c72cbb1649e93849e16ede3f07522Chris Lattnerpublic: 7660ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner static ObjCCategoryImplDecl *Create(ASTContext &C, 7670ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation L, IdentifierInfo *Id, 76875c9cae5f85c72cbb1649e93849e16ede3f07522Chris Lattner ObjCInterfaceDecl *classInterface); 7698f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian 770e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner const ObjCInterfaceDecl *getClassInterface() const { return ClassInterface; } 771e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner ObjCInterfaceDecl *getClassInterface() { return ClassInterface; } 7728f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian 773ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner unsigned getNumInstanceMethods() const { return InstanceMethods.size(); } 774ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner unsigned getNumClassMethods() const { return ClassMethods.size(); } 775e1e6c0d5c79c0ee7ed62fef47a19aa7ecef40db4Steve Naroff 776a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void addInstanceMethod(ObjCMethodDecl *method) { 777e1e6c0d5c79c0ee7ed62fef47a19aa7ecef40db4Steve Naroff InstanceMethods.push_back(method); 778e1e6c0d5c79c0ee7ed62fef47a19aa7ecef40db4Steve Naroff } 779a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void addClassMethod(ObjCMethodDecl *method) { 780e1e6c0d5c79c0ee7ed62fef47a19aa7ecef40db4Steve Naroff ClassMethods.push_back(method); 781e1e6c0d5c79c0ee7ed62fef47a19aa7ecef40db4Steve Naroff } 78294a5c3334bba3cc8cd1da85ba1118bc2c080add9Steve Naroff // Get the instance method definition for this implementation. 783a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *getInstanceMethod(Selector Sel); 78494a5c3334bba3cc8cd1da85ba1118bc2c080add9Steve Naroff 78594a5c3334bba3cc8cd1da85ba1118bc2c080add9Steve Naroff // Get the class method definition for this implementation. 786a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *getClassMethod(Selector Sel); 787e1e6c0d5c79c0ee7ed62fef47a19aa7ecef40db4Steve Naroff 788a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek typedef llvm::SmallVector<ObjCMethodDecl*, 32>::const_iterator 789ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner instmeth_iterator; 790ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner instmeth_iterator instmeth_begin() const { return InstanceMethods.begin(); } 791ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner instmeth_iterator instmeth_end() const { return InstanceMethods.end(); } 792ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner 793a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek typedef llvm::SmallVector<ObjCMethodDecl*, 32>::const_iterator 794ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner classmeth_iterator; 795ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner classmeth_iterator classmeth_begin() const { return ClassMethods.begin(); } 796ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner classmeth_iterator classmeth_end() const { return ClassMethods.end(); } 797ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner 798ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner 799e1e6c0d5c79c0ee7ed62fef47a19aa7ecef40db4Steve Naroff // Location information, modeled after the Stmt API. 800e1e6c0d5c79c0ee7ed62fef47a19aa7ecef40db4Steve Naroff SourceLocation getLocStart() const { return getLocation(); } 801e1e6c0d5c79c0ee7ed62fef47a19aa7ecef40db4Steve Naroff SourceLocation getLocEnd() const { return EndLoc; } 802e1e6c0d5c79c0ee7ed62fef47a19aa7ecef40db4Steve Naroff void setLocEnd(SourceLocation LE) { EndLoc = LE; }; 803e1e6c0d5c79c0ee7ed62fef47a19aa7ecef40db4Steve Naroff 804a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const Decl *D) { return D->getKind() == ObjCCategoryImpl;} 805a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCCategoryImplDecl *D) { return true; } 8068f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian}; 8078f3fde00ad4d4f943321e338b914ae4740711c84Fariborz Jahanian 808a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCImplementationDecl - Represents a class definition - this is where 8090c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// method definitions are specified. For example: 8100c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 8110c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// @implementation MyClass 8120c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// - (void)myMethod { /* do something */ } 8130c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// @end 8140c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 8150c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// Typically, instance variables are specified in the class interface, 8160c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// *not* in the implemenentation. Nevertheless (for legacy reasons), we 8170c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// allow instance variables to be specified in the implementation. When 8180c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// specified, they need to be *identical* to the interface. Now that we 8190c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// have support for non-fragile ivars in ObjC 2.0, we can consider removing 8200c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// the legacy semantics and allow developers to move private ivar declarations 8210c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// from the class interface to the class implementation (but I digress:-) 8220c6b6243d3efd958c17943130e2a773653511edcSteve Naroff/// 823a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCImplementationDecl : public NamedDecl { 824f4d331dd922f92478ebf30e808c0ca97ce49418bFariborz Jahanian /// Class interface for this category implementation 825a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *ClassInterface; 826f4d331dd922f92478ebf30e808c0ca97ce49418bFariborz Jahanian 827980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// Implementation Class's super class. 828a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *SuperClass; 829980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 830980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// Optional Ivars/NumIvars - This is a new[]'d array of pointers to Decls. 831a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCIvarDecl **Ivars; // Null if not specified 832f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner unsigned NumIvars; // 0 if none. 8330416fb9f379b49abb3eb0c1cb2ca75107e5a71d1Steve Naroff 834980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// implemented instance methods 835a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::SmallVector<ObjCMethodDecl*, 32> InstanceMethods; 8360416fb9f379b49abb3eb0c1cb2ca75107e5a71d1Steve Naroff 837980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff /// implemented class methods 838a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::SmallVector<ObjCMethodDecl*, 32> ClassMethods; 8390416fb9f379b49abb3eb0c1cb2ca75107e5a71d1Steve Naroff 8400416fb9f379b49abb3eb0c1cb2ca75107e5a71d1Steve Naroff SourceLocation EndLoc; 84175c9cae5f85c72cbb1649e93849e16ede3f07522Chris Lattner 842a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImplementationDecl(SourceLocation L, IdentifierInfo *Id, 843a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *classInterface, 844a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *superDecl) 845a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek : NamedDecl(ObjCImplementation, L, Id), 8460416fb9f379b49abb3eb0c1cb2ca75107e5a71d1Steve Naroff ClassInterface(classInterface), SuperClass(superDecl), 847f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner Ivars(0), NumIvars(0) {} 84875c9cae5f85c72cbb1649e93849e16ede3f07522Chris Lattnerpublic: 8490ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner static ObjCImplementationDecl *Create(ASTContext &C, 8500ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation L, IdentifierInfo *Id, 85175c9cae5f85c72cbb1649e93849e16ede3f07522Chris Lattner ObjCInterfaceDecl *classInterface, 85275c9cae5f85c72cbb1649e93849e16ede3f07522Chris Lattner ObjCInterfaceDecl *superDecl); 85375c9cae5f85c72cbb1649e93849e16ede3f07522Chris Lattner 854980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 855a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void ObjCAddInstanceVariablesToClassImpl(ObjCIvarDecl **ivars, 856980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff unsigned numIvars); 857980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 858a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void addInstanceMethod(ObjCMethodDecl *method) { 8590416fb9f379b49abb3eb0c1cb2ca75107e5a71d1Steve Naroff InstanceMethods.push_back(method); 8600416fb9f379b49abb3eb0c1cb2ca75107e5a71d1Steve Naroff } 861a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void addClassMethod(ObjCMethodDecl *method) { 8620416fb9f379b49abb3eb0c1cb2ca75107e5a71d1Steve Naroff ClassMethods.push_back(method); 8630416fb9f379b49abb3eb0c1cb2ca75107e5a71d1Steve Naroff } 8640416fb9f379b49abb3eb0c1cb2ca75107e5a71d1Steve Naroff // Location information, modeled after the Stmt API. 8650416fb9f379b49abb3eb0c1cb2ca75107e5a71d1Steve Naroff SourceLocation getLocStart() const { return getLocation(); } 8660416fb9f379b49abb3eb0c1cb2ca75107e5a71d1Steve Naroff SourceLocation getLocEnd() const { return EndLoc; } 8670416fb9f379b49abb3eb0c1cb2ca75107e5a71d1Steve Naroff void setLocEnd(SourceLocation LE) { EndLoc = LE; }; 8680416fb9f379b49abb3eb0c1cb2ca75107e5a71d1Steve Naroff 869e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner const ObjCInterfaceDecl *getClassInterface() const { return ClassInterface; } 870e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner ObjCInterfaceDecl *getClassInterface() { return ClassInterface; } 871e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner const ObjCInterfaceDecl *getSuperClass() const { return SuperClass; } 872e0def7589a8afa8a6acef13476bb3f882c104b91Chris Lattner ObjCInterfaceDecl *getSuperClass() { return SuperClass; } 873980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 874f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner void setSuperClass(ObjCInterfaceDecl * superCls) { SuperClass = superCls; } 875980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 876b5feb35360526da42ad7e3fa7ef3d44a5992b83cChris Lattner unsigned getNumInstanceMethods() const { return InstanceMethods.size(); } 87762db2f4214c1589082960f12c9cb8924fe0cf8c5Chris Lattner unsigned getNumClassMethods() const { return ClassMethods.size(); } 878c43d868355374d48296ad3be2c9c536698a5e9a8Steve Naroff 879a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek typedef llvm::SmallVector<ObjCMethodDecl*, 32>::const_iterator 8800157c5144513438bb74aebf50d18f95df4104acbChris Lattner instmeth_iterator; 8810157c5144513438bb74aebf50d18f95df4104acbChris Lattner instmeth_iterator instmeth_begin() const { return InstanceMethods.begin(); } 8820157c5144513438bb74aebf50d18f95df4104acbChris Lattner instmeth_iterator instmeth_end() const { return InstanceMethods.end(); } 8830157c5144513438bb74aebf50d18f95df4104acbChris Lattner 884a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek typedef llvm::SmallVector<ObjCMethodDecl*, 32>::const_iterator 8850157c5144513438bb74aebf50d18f95df4104acbChris Lattner classmeth_iterator; 8860157c5144513438bb74aebf50d18f95df4104acbChris Lattner classmeth_iterator classmeth_begin() const { return ClassMethods.begin(); } 8870157c5144513438bb74aebf50d18f95df4104acbChris Lattner classmeth_iterator classmeth_end() const { return ClassMethods.end(); } 8880157c5144513438bb74aebf50d18f95df4104acbChris Lattner 88994a5c3334bba3cc8cd1da85ba1118bc2c080add9Steve Naroff // Get the instance method definition for this implementation. 890a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *getInstanceMethod(Selector Sel); 8910157c5144513438bb74aebf50d18f95df4104acbChris Lattner 89294a5c3334bba3cc8cd1da85ba1118bc2c080add9Steve Naroff // Get the class method definition for this implementation. 893a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *getClassMethod(Selector Sel); 8940157c5144513438bb74aebf50d18f95df4104acbChris Lattner 895a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek typedef ObjCIvarDecl * const *ivar_iterator; 8960157c5144513438bb74aebf50d18f95df4104acbChris Lattner ivar_iterator ivar_begin() const { return Ivars; } 897f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner ivar_iterator ivar_end() const { return Ivars+NumIvars; } 898f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner unsigned ivar_size() const { return NumIvars; } 899f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner bool ivar_empty() const { return NumIvars == 0; } 9000157c5144513438bb74aebf50d18f95df4104acbChris Lattner 901980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff static bool classof(const Decl *D) { 902a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek return D->getKind() == ObjCImplementation; 903980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff } 904a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCImplementationDecl *D) { return true; } 905980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff}; 906243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian 907a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// ObjCCompatibleAliasDecl - Represents alias of a class. This alias is 908243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian/// declared as @compatibility_alias alias class. 909e8043c39176e7f253fbd92982b077eca6bf2fd59Steve Naroffclass ObjCCompatibleAliasDecl : public NamedDecl { 910243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian /// Class that this is an alias of. 911a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *AliasedClass; 912243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian 913a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCCompatibleAliasDecl(SourceLocation L, IdentifierInfo *Id, 914e8043c39176e7f253fbd92982b077eca6bf2fd59Steve Naroff ObjCInterfaceDecl* aliasedClass) 915e8043c39176e7f253fbd92982b077eca6bf2fd59Steve Naroff : NamedDecl(ObjCCompatibleAlias, L, Id), AliasedClass(aliasedClass) {} 916f8d17a59167d9c2026506ed8813ea434d93b662aChris Lattnerpublic: 9170ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner static ObjCCompatibleAliasDecl *Create(ASTContext &C, 9180ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation L, IdentifierInfo *Id, 919f8d17a59167d9c2026506ed8813ea434d93b662aChris Lattner ObjCInterfaceDecl* aliasedClass); 920f8d17a59167d9c2026506ed8813ea434d93b662aChris Lattner 921f8d17a59167d9c2026506ed8813ea434d93b662aChris Lattner const ObjCInterfaceDecl *getClassInterface() const { return AliasedClass; } 922f8d17a59167d9c2026506ed8813ea434d93b662aChris Lattner ObjCInterfaceDecl *getClassInterface() { return AliasedClass; } 923980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 924243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian static bool classof(const Decl *D) { 9258a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner return D->getKind() == ObjCCompatibleAlias; 926243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian } 927a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCCompatibleAliasDecl *D) { return true; } 928243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian 929243b64b0001172405ff803c61bdcaa8e98ec1552Fariborz Jahanian}; 93082a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 931a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekclass ObjCPropertyDecl : public Decl { 93282a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanianpublic: 933a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner enum PropertyAttributeKind { 934a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner OBJC_PR_noattr = 0x00, 935a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner OBJC_PR_readonly = 0x01, 936a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner OBJC_PR_getter = 0x02, 937a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner OBJC_PR_assign = 0x04, 938a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner OBJC_PR_readwrite = 0x08, 939a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner OBJC_PR_retain = 0x10, 940a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner OBJC_PR_copy = 0x20, 941a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner OBJC_PR_nonatomic = 0x40, 942a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner OBJC_PR_setter = 0x80 943a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner }; 94482a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanianprivate: 94582a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian // List of property name declarations 94682a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian // FIXME: Property is not an ivar. 947a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCIvarDecl **PropertyDecls; 948f4af5154571e0c5eadb19df10e65464766ef6683Chris Lattner unsigned NumPropertyDecls; 949ca63fa00786e51c207c829f4182f11a6c6b552beTed Kremenek unsigned PropertyAttributes : 8; 95082a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 95182a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian IdentifierInfo *GetterName; // getter name of NULL if no getter 95282a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian IdentifierInfo *SetterName; // setter name of NULL if no setter 95382a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 954a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCPropertyDecl(SourceLocation L) 955670aa9d7639278f507930e95dc89c12032ab7c7eSam Bishop : Decl(ObjCProperty, L), PropertyDecls(0), NumPropertyDecls(0), 956f8d17a59167d9c2026506ed8813ea434d93b662aChris Lattner PropertyAttributes(OBJC_PR_noattr), GetterName(0), SetterName(0) {} 957f8d17a59167d9c2026506ed8813ea434d93b662aChris Lattnerpublic: 958f8d17a59167d9c2026506ed8813ea434d93b662aChris Lattner static ObjCPropertyDecl *Create(ASTContext &C, SourceLocation L); 95982a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 960a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner typedef ObjCIvarDecl * const *propdecl_iterator; 961a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner propdecl_iterator propdecl_begin() const { return PropertyDecls; } 962a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner propdecl_iterator propdecl_end() const { 963a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner return PropertyDecls+NumPropertyDecls; 964a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner } 965a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner unsigned propdecl_size() const { return NumPropertyDecls; } 966a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner bool propdecl_empty() const { return NumPropertyDecls == 0; } 967f4af5154571e0c5eadb19df10e65464766ef6683Chris Lattner 968a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner /// setPropertyDeclLists - Set the property decl list to the specified array 969a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner /// of decls. 970f4af5154571e0c5eadb19df10e65464766ef6683Chris Lattner void setPropertyDeclLists(ObjCIvarDecl **Properties, unsigned NumProp); 97182a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 972a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner PropertyAttributeKind getPropertyAttributes() const { 973f4af5154571e0c5eadb19df10e65464766ef6683Chris Lattner return PropertyAttributeKind(PropertyAttributes); 974f4af5154571e0c5eadb19df10e65464766ef6683Chris Lattner } 975564576b225386cbff375351597dd5e2a92872d38Fariborz Jahanian void setPropertyAttributes(PropertyAttributeKind PRVal) { 976a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner PropertyAttributes |= PRVal; 97782a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian } 97882a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 979a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner IdentifierInfo *getGetterName() const { return GetterName; } 98082a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian void setGetterName(IdentifierInfo *Id) { GetterName = Id; } 98182a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 982a5674258f5e6f74f1c0ed3ece4d64fbb1b9afb11Chris Lattner IdentifierInfo *getSetterName() const { return SetterName; } 98382a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian void setSetterName(IdentifierInfo *Id) { SetterName = Id; } 98482a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian 98582a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian static bool classof(const Decl *D) { 986670aa9d7639278f507930e95dc89c12032ab7c7eSam Bishop return D->getKind() == ObjCProperty; 98782a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian } 988a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek static bool classof(const ObjCPropertyDecl *D) { return true; } 98982a5fe3d1cf204b672cdab24d72275b6ad2c3527Fariborz Jahanian}; 990980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff 991980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff} // end namespace clang 992980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff#endif 993