DeclObjC.cpp revision 17945a0f64fe03ff6ec0c2146005a87636e3ac12
11e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner//===--- DeclObjC.cpp - ObjC Declaration AST Node Implementation ----------===//
21e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner//
31e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner//                     The LLVM Compiler Infrastructure
41e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner//
51e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner// This file is distributed under the University of Illinois Open Source
61e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner// License. See LICENSE.TXT for details.
71e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner//
81e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner//===----------------------------------------------------------------------===//
91e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner//
101e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner// This file implements the Objective-C related Decl classes.
111e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner//
121e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner//===----------------------------------------------------------------------===//
131e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner
141e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner#include "clang/AST/DeclObjC.h"
151e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner#include "clang/AST/ASTContext.h"
16e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/Stmt.h"
170de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff#include "llvm/ADT/STLExtras.h"
181e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattnerusing namespace clang;
191e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner
206c4ae5de0c356777446f823b573821fb95560d91Chris Lattner//===----------------------------------------------------------------------===//
2111e1e1af2641affb378080a4f3d1a30da1cad082Chris Lattner// ObjCListBase
2211e1e1af2641affb378080a4f3d1a30da1cad082Chris Lattner//===----------------------------------------------------------------------===//
2311e1e1af2641affb378080a4f3d1a30da1cad082Chris Lattner
2438af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattnervoid ObjCListBase::Destroy(ASTContext &Ctx) {
254ee413ba81c8030c195a9166847928054ed01ca4Chris Lattner  Ctx.Deallocate(List);
2611e1e1af2641affb378080a4f3d1a30da1cad082Chris Lattner  NumElts = 0;
2711e1e1af2641affb378080a4f3d1a30da1cad082Chris Lattner  List = 0;
2811e1e1af2641affb378080a4f3d1a30da1cad082Chris Lattner}
2911e1e1af2641affb378080a4f3d1a30da1cad082Chris Lattner
3038af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattnervoid ObjCListBase::set(void *const* InList, unsigned Elts, ASTContext &Ctx) {
3111e1e1af2641affb378080a4f3d1a30da1cad082Chris Lattner  assert(List == 0 && "Elements already set!");
3211e1e1af2641affb378080a4f3d1a30da1cad082Chris Lattner  if (Elts == 0) return;  // Setting to an empty list is a noop.
3311e1e1af2641affb378080a4f3d1a30da1cad082Chris Lattner
344ee413ba81c8030c195a9166847928054ed01ca4Chris Lattner
354ee413ba81c8030c195a9166847928054ed01ca4Chris Lattner  List = new (Ctx) void*[Elts];
3611e1e1af2641affb378080a4f3d1a30da1cad082Chris Lattner  NumElts = Elts;
3711e1e1af2641affb378080a4f3d1a30da1cad082Chris Lattner  memcpy(List, InList, sizeof(void*)*Elts);
3811e1e1af2641affb378080a4f3d1a30da1cad082Chris Lattner}
3911e1e1af2641affb378080a4f3d1a30da1cad082Chris Lattner
4011e1e1af2641affb378080a4f3d1a30da1cad082Chris Lattner
4111e1e1af2641affb378080a4f3d1a30da1cad082Chris Lattner//===----------------------------------------------------------------------===//
42ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// ObjCInterfaceDecl
43ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
44ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
45496b5a894c5ec5425de53909f5aac3fb4771a2ecFariborz Jahanian/// getIvarDecl - This method looks up an ivar in this ContextDecl.
46496b5a894c5ec5425de53909f5aac3fb4771a2ecFariborz Jahanian///
47496b5a894c5ec5425de53909f5aac3fb4771a2ecFariborz JahanianObjCIvarDecl *
4817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios KyrtzidisObjCContainerDecl::getIvarDecl(IdentifierInfo *Id) const {
49496b5a894c5ec5425de53909f5aac3fb4771a2ecFariborz Jahanian  lookup_const_iterator Ivar, IvarEnd;
5017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis  for (llvm::tie(Ivar, IvarEnd) = lookup(Id); Ivar != IvarEnd; ++Ivar) {
51496b5a894c5ec5425de53909f5aac3fb4771a2ecFariborz Jahanian    if (ObjCIvarDecl *ivar = dyn_cast<ObjCIvarDecl>(*Ivar))
52496b5a894c5ec5425de53909f5aac3fb4771a2ecFariborz Jahanian      return ivar;
53496b5a894c5ec5425de53909f5aac3fb4771a2ecFariborz Jahanian  }
54496b5a894c5ec5425de53909f5aac3fb4771a2ecFariborz Jahanian  return 0;
55496b5a894c5ec5425de53909f5aac3fb4771a2ecFariborz Jahanian}
56496b5a894c5ec5425de53909f5aac3fb4771a2ecFariborz Jahanian
57ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// Get the local instance method declared in this interface.
586ab3524f72a6e64aa04973fa9433b5559abb3525Douglas GregorObjCMethodDecl *
5917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios KyrtzidisObjCContainerDecl::getInstanceMethod(Selector Sel) const {
600de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  // Since instance & class methods can have the same name, the loop below
610de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  // ensures we get the correct method.
620de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  //
630de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  // @interface Whatever
640de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  // - (int) class_method;
650de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  // + (float) class_method;
660de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  // @end
670de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  //
680de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  lookup_const_iterator Meth, MethEnd;
6917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis  for (llvm::tie(Meth, MethEnd) = lookup(Sel); Meth != MethEnd; ++Meth) {
700de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff    ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(*Meth);
710de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff    if (MD && MD->isInstanceMethod())
720de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff      return MD;
730de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  }
74ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  return 0;
75ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner}
76ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
77ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// Get the local class method declared in this interface.
786ab3524f72a6e64aa04973fa9433b5559abb3525Douglas GregorObjCMethodDecl *
7917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios KyrtzidisObjCContainerDecl::getClassMethod(Selector Sel) const {
800de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  // Since instance & class methods can have the same name, the loop below
810de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  // ensures we get the correct method.
820de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  //
830de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  // @interface Whatever
840de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  // - (int) class_method;
850de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  // + (float) class_method;
860de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  // @end
870de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  //
880de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  lookup_const_iterator Meth, MethEnd;
8917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis  for (llvm::tie(Meth, MethEnd) = lookup(Sel); Meth != MethEnd; ++Meth) {
900de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff    ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(*Meth);
910de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff    if (MD && MD->isClassMethod())
920de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff      return MD;
930de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff  }
94ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  return 0;
95ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner}
96ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
97ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner/// FindPropertyDeclaration - Finds declaration of the property given its name
98ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner/// in 'PropertyId' and returns it. It returns 0, if not found.
99ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner/// FIXME: Convert to DeclContext lookup...
100ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner///
101ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris LattnerObjCPropertyDecl *
10217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios KyrtzidisObjCContainerDecl::FindPropertyDeclaration(IdentifierInfo *PropertyId) const {
10317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis  for (prop_iterator I = prop_begin(), E = prop_end(); I != E; ++I)
104ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    if ((*I)->getIdentifier() == PropertyId)
105ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      return *I;
106ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
107ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  const ObjCProtocolDecl *PID = dyn_cast<ObjCProtocolDecl>(this);
108ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  if (PID) {
109ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    for (ObjCProtocolDecl::protocol_iterator I = PID->protocol_begin(),
110ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner         E = PID->protocol_end(); I != E; ++I)
11117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis      if (ObjCPropertyDecl *P = (*I)->FindPropertyDeclaration(PropertyId))
112ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner        return P;
113ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  }
114ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
115ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  if (const ObjCInterfaceDecl *OID = dyn_cast<ObjCInterfaceDecl>(this)) {
116ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    // Look through categories.
117ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    for (ObjCCategoryDecl *Category = OID->getCategoryList();
118ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner         Category; Category = Category->getNextClassCategory()) {
11917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis      if (ObjCPropertyDecl *P = Category->FindPropertyDeclaration(PropertyId))
120ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner        return P;
121ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    }
122ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    // Look through protocols.
123ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    for (ObjCInterfaceDecl::protocol_iterator I = OID->protocol_begin(),
124ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner         E = OID->protocol_end(); I != E; ++I) {
12517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis      if (ObjCPropertyDecl *P = (*I)->FindPropertyDeclaration(PropertyId))
126ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner        return P;
127ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    }
128ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    if (OID->getSuperClass())
12917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis      return OID->getSuperClass()->FindPropertyDeclaration(PropertyId);
130ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  } else if (const ObjCCategoryDecl *OCD = dyn_cast<ObjCCategoryDecl>(this)) {
131ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    // Look through protocols.
132ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    for (ObjCInterfaceDecl::protocol_iterator I = OCD->protocol_begin(),
133ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner         E = OCD->protocol_end(); I != E; ++I) {
13417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis      if (ObjCPropertyDecl *P = (*I)->FindPropertyDeclaration(PropertyId))
135ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner        return P;
136ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    }
137ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  }
138ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  return 0;
139ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner}
140ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
14117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios KyrtzidisObjCIvarDecl *ObjCInterfaceDecl::lookupInstanceVariable(IdentifierInfo *ID,
14217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis                                              ObjCInterfaceDecl *&clsDeclared) {
143ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  ObjCInterfaceDecl* ClassDecl = this;
144ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  while (ClassDecl != NULL) {
14517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis    if (ObjCIvarDecl *I = ClassDecl->getIvarDecl(ID)) {
146496b5a894c5ec5425de53909f5aac3fb4771a2ecFariborz Jahanian      clsDeclared = ClassDecl;
147496b5a894c5ec5425de53909f5aac3fb4771a2ecFariborz Jahanian      return I;
148ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    }
149ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    ClassDecl = ClassDecl->getSuperClass();
150ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  }
151ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  return NULL;
152ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner}
153ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
154cd1876207f5564beba74e4b2524b664bdba0ba9fFariborz Jahanian/// lookupInheritedClass - This method returns ObjCInterfaceDecl * of the super
155cd1876207f5564beba74e4b2524b664bdba0ba9fFariborz Jahanian/// class whose name is passed as argument. If it is not one of the super classes
156cd1876207f5564beba74e4b2524b664bdba0ba9fFariborz Jahanian/// the it returns NULL.
157cd1876207f5564beba74e4b2524b664bdba0ba9fFariborz JahanianObjCInterfaceDecl *ObjCInterfaceDecl::lookupInheritedClass(
158cd1876207f5564beba74e4b2524b664bdba0ba9fFariborz Jahanian                                        const IdentifierInfo*ICName) {
159cd1876207f5564beba74e4b2524b664bdba0ba9fFariborz Jahanian  ObjCInterfaceDecl* ClassDecl = this;
160cd1876207f5564beba74e4b2524b664bdba0ba9fFariborz Jahanian  while (ClassDecl != NULL) {
161cd1876207f5564beba74e4b2524b664bdba0ba9fFariborz Jahanian    if (ClassDecl->getIdentifier() == ICName)
162cd1876207f5564beba74e4b2524b664bdba0ba9fFariborz Jahanian      return ClassDecl;
163cd1876207f5564beba74e4b2524b664bdba0ba9fFariborz Jahanian    ClassDecl = ClassDecl->getSuperClass();
164cd1876207f5564beba74e4b2524b664bdba0ba9fFariborz Jahanian  }
165cd1876207f5564beba74e4b2524b664bdba0ba9fFariborz Jahanian  return NULL;
166cd1876207f5564beba74e4b2524b664bdba0ba9fFariborz Jahanian}
167cd1876207f5564beba74e4b2524b664bdba0ba9fFariborz Jahanian
168ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner/// lookupInstanceMethod - This method returns an instance method by looking in
169ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner/// the class, its categories, and its super classes (using a linear search).
17017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios KyrtzidisObjCMethodDecl *ObjCInterfaceDecl::lookupInstanceMethod(Selector Sel) {
171ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  ObjCInterfaceDecl* ClassDecl = this;
172ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  ObjCMethodDecl *MethodDecl = 0;
173ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
174ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  while (ClassDecl != NULL) {
17517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis    if ((MethodDecl = ClassDecl->getInstanceMethod(Sel)))
176ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      return MethodDecl;
177ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
178ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    // Didn't find one yet - look through protocols.
179ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    const ObjCList<ObjCProtocolDecl> &Protocols =
180ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      ClassDecl->getReferencedProtocols();
181ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
182ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner         E = Protocols.end(); I != E; ++I)
18317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis      if ((MethodDecl = (*I)->lookupInstanceMethod(Sel)))
184ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner        return MethodDecl;
185ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
186ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    // Didn't find one yet - now look through categories.
187ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    ObjCCategoryDecl *CatDecl = ClassDecl->getCategoryList();
188ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    while (CatDecl) {
18917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis      if ((MethodDecl = CatDecl->getInstanceMethod(Sel)))
190ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner        return MethodDecl;
191ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
192ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      // Didn't find one yet - look through protocols.
193ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      const ObjCList<ObjCProtocolDecl> &Protocols =
194ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner        CatDecl->getReferencedProtocols();
195ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
196ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner           E = Protocols.end(); I != E; ++I)
19717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis        if ((MethodDecl = (*I)->lookupInstanceMethod(Sel)))
198ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner          return MethodDecl;
199ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      CatDecl = CatDecl->getNextClassCategory();
200ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    }
201ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    ClassDecl = ClassDecl->getSuperClass();
202ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  }
203ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  return NULL;
204ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner}
205ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
206ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// lookupClassMethod - This method returns a class method by looking in the
207ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// class, its categories, and its super classes (using a linear search).
20817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios KyrtzidisObjCMethodDecl *ObjCInterfaceDecl::lookupClassMethod(Selector Sel) {
209ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  ObjCInterfaceDecl* ClassDecl = this;
210ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  ObjCMethodDecl *MethodDecl = 0;
211ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
212ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  while (ClassDecl != NULL) {
21317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis    if ((MethodDecl = ClassDecl->getClassMethod(Sel)))
214ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      return MethodDecl;
215ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
216ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    // Didn't find one yet - look through protocols.
217ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    for (ObjCInterfaceDecl::protocol_iterator I = ClassDecl->protocol_begin(),
218ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner         E = ClassDecl->protocol_end(); I != E; ++I)
21917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis      if ((MethodDecl = (*I)->lookupClassMethod(Sel)))
220ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner        return MethodDecl;
221ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
222ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    // Didn't find one yet - now look through categories.
223ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    ObjCCategoryDecl *CatDecl = ClassDecl->getCategoryList();
224ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    while (CatDecl) {
22517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis      if ((MethodDecl = CatDecl->getClassMethod(Sel)))
226ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner        return MethodDecl;
227b558422a49dbf97d560e493fb1573d44f0abe221Steve Naroff
228b558422a49dbf97d560e493fb1573d44f0abe221Steve Naroff      // Didn't find one yet - look through protocols.
229b558422a49dbf97d560e493fb1573d44f0abe221Steve Naroff      const ObjCList<ObjCProtocolDecl> &Protocols =
230b558422a49dbf97d560e493fb1573d44f0abe221Steve Naroff        CatDecl->getReferencedProtocols();
231b558422a49dbf97d560e493fb1573d44f0abe221Steve Naroff      for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
232b558422a49dbf97d560e493fb1573d44f0abe221Steve Naroff           E = Protocols.end(); I != E; ++I)
23317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis        if ((MethodDecl = (*I)->lookupClassMethod(Sel)))
234b558422a49dbf97d560e493fb1573d44f0abe221Steve Naroff          return MethodDecl;
235ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      CatDecl = CatDecl->getNextClassCategory();
236ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    }
237ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    ClassDecl = ClassDecl->getSuperClass();
238ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  }
239ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  return NULL;
240ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner}
241ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
242ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
243ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
244ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
245ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// ObjCMethodDecl
2466c4ae5de0c356777446f823b573821fb95560d91Chris Lattner//===----------------------------------------------------------------------===//
2476c4ae5de0c356777446f823b573821fb95560d91Chris Lattner
2480ed844b04ea4387caa4e1cf3dc375d269657536bChris LattnerObjCMethodDecl *ObjCMethodDecl::Create(ASTContext &C,
2490ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner                                       SourceLocation beginLoc,
2506c4ae5de0c356777446f823b573821fb95560d91Chris Lattner                                       SourceLocation endLoc,
2516c4ae5de0c356777446f823b573821fb95560d91Chris Lattner                                       Selector SelInfo, QualType T,
2520701bbb228dfd87e1fe82a0a4b7b9facfecb43daSteve Naroff                                       DeclContext *contextDecl,
253f6414927e67e27d9324d8d179c5f7ea620443924Daniel Dunbar                                       bool isInstance,
2546c4ae5de0c356777446f823b573821fb95560d91Chris Lattner                                       bool isVariadic,
2554607034e621aa77378ec75249d1e9eaf5de49b6aFariborz Jahanian                                       bool isSynthesized,
256b06fa3b86951b9f179c99c3768331536c32e902dChris Lattner                                       ImplementationControl impControl) {
2573e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff  return new (C) ObjCMethodDecl(beginLoc, endLoc,
2580ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner                                  SelInfo, T, contextDecl,
259f6414927e67e27d9324d8d179c5f7ea620443924Daniel Dunbar                                  isInstance,
2604607034e621aa77378ec75249d1e9eaf5de49b6aFariborz Jahanian                                  isVariadic, isSynthesized, impControl);
2610e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattner}
2620e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattner
26338af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattnervoid ObjCMethodDecl::Destroy(ASTContext &C) {
2648a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek  if (Body) Body->Destroy(C);
2658a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek  if (SelfDecl) SelfDecl->Destroy(C);
2668a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek
2678a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek  for (param_iterator I=param_begin(), E=param_end(); I!=E; ++I)
2688a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek    if (*I) (*I)->Destroy(C);
269411280e5b25ba7dcd7c8a82a5c23880fe7632a3cChris Lattner
27038af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner  ParamInfo.Destroy(C);
271411280e5b25ba7dcd7c8a82a5c23880fe7632a3cChris Lattner
2728a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek  Decl::Destroy(C);
2738a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek}
2748a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek
275ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattnervoid ObjCMethodDecl::createImplicitParams(ASTContext &Context,
276ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner                                          const ObjCInterfaceDecl *OID) {
277ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  QualType selfTy;
278ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  if (isInstanceMethod()) {
279ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    // There may be no interface context due to error in declaration
280ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    // of the interface (which has been reported). Recover gracefully.
281ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    if (OID) {
2823b3a45858c6b2a45114e91902c3bf3c4b7f5f302Daniel Dunbar      selfTy = Context.getObjCInterfaceType(OID);
283ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      selfTy = Context.getPointerType(selfTy);
284ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    } else {
285ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      selfTy = Context.getObjCIdType();
286ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    }
287ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  } else // we have a factory method.
288ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    selfTy = Context.getObjCClassType();
289ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
29053c9d8a4b8f0a76cb9dd2fdd8c433ccf110f2eecSteve Naroff  setSelfDecl(ImplicitParamDecl::Create(Context, this, SourceLocation(),
29153c9d8a4b8f0a76cb9dd2fdd8c433ccf110f2eecSteve Naroff                                        &Context.Idents.get("self"), selfTy));
292ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
29353c9d8a4b8f0a76cb9dd2fdd8c433ccf110f2eecSteve Naroff  setCmdDecl(ImplicitParamDecl::Create(Context, this, SourceLocation(),
29453c9d8a4b8f0a76cb9dd2fdd8c433ccf110f2eecSteve Naroff                                       &Context.Idents.get("_cmd"),
29553c9d8a4b8f0a76cb9dd2fdd8c433ccf110f2eecSteve Naroff                                       Context.getObjCSelType()));
296ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner}
297ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
298ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
299ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
300ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner/// getSynthesizedMethodSize - Compute size of synthesized method name
301ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner/// as done be the rewrite.
302ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner///
303ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattnerunsigned ObjCMethodDecl::getSynthesizedMethodSize() const {
304ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  // syntesized method name is a concatenation of -/+[class-name selector]
305ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  // Get length of this name.
306ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  unsigned length = 3;  // _I_ or _C_
307ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  length += getClassInterface()->getNameAsString().size()+1; // extra for _
308ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  if (const ObjCCategoryImplDecl *CID =
309ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      dyn_cast<ObjCCategoryImplDecl>(getDeclContext()))
310ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    length += CID->getNameAsString().size()+1;
311ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  length += getSelector().getAsString().size(); // selector name
312ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  return length;
313ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner}
314ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
315ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris LattnerObjCInterfaceDecl *ObjCMethodDecl::getClassInterface() {
316ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  if (ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(getDeclContext()))
317ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    return ID;
318ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(getDeclContext()))
319ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    return CD->getClassInterface();
320ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  if (ObjCImplementationDecl *IMD =
321ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      dyn_cast<ObjCImplementationDecl>(getDeclContext()))
322ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    return IMD->getClassInterface();
323ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  if (ObjCCategoryImplDecl *CID =
324ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      dyn_cast<ObjCCategoryImplDecl>(getDeclContext()))
325ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    return CID->getClassInterface();
326ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  assert(false && "unknown method context");
327ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  return 0;
328ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner}
329ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
330ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
331ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// ObjCInterfaceDecl
332ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
3330b7ebb3dba0df0a6cbf221e5edbc6a4b8848478cChris Lattner
3340ed844b04ea4387caa4e1cf3dc375d269657536bChris LattnerObjCInterfaceDecl *ObjCInterfaceDecl::Create(ASTContext &C,
335d04341000d35c8808a72838b057eed7bf13b7661Douglas Gregor                                             DeclContext *DC,
3360ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner                                             SourceLocation atLoc,
337d6a07aaf62b40cdfbd96f6b874d02b06fc22d015Steve Naroff                                             IdentifierInfo *Id,
338d6a07aaf62b40cdfbd96f6b874d02b06fc22d015Steve Naroff                                             SourceLocation ClassLoc,
3390e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattner                                             bool ForwardDecl, bool isInternal){
3403e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff  return new (C) ObjCInterfaceDecl(DC, atLoc, Id, ClassLoc, ForwardDecl,
3410e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattner                                     isInternal);
3420e77ba0bf769e2e5a4a93c079f241b02aeb3ef93Chris Lattner}
3436c4ae5de0c356777446f823b573821fb95560d91Chris Lattner
3440b7ebb3dba0df0a6cbf221e5edbc6a4b8848478cChris LattnerObjCInterfaceDecl::
3450b7ebb3dba0df0a6cbf221e5edbc6a4b8848478cChris LattnerObjCInterfaceDecl(DeclContext *DC, SourceLocation atLoc, IdentifierInfo *Id,
3460b7ebb3dba0df0a6cbf221e5edbc6a4b8848478cChris Lattner                  SourceLocation CLoc, bool FD, bool isInternal)
3470b7ebb3dba0df0a6cbf221e5edbc6a4b8848478cChris Lattner  : ObjCContainerDecl(ObjCInterface, DC, atLoc, Id),
348e881483a3bc22ffad62367501aa09ad8508fe363Chris Lattner    TypeForDecl(0), SuperClass(0),
3490b7ebb3dba0df0a6cbf221e5edbc6a4b8848478cChris Lattner    CategoryList(0), ForwardDecl(FD), InternalInterface(isInternal),
3500b7ebb3dba0df0a6cbf221e5edbc6a4b8848478cChris Lattner    ClassLoc(CLoc) {
351e4f039e01e797a38bc97bf22aff9832ecd18ff5fSteve Naroff}
352e4f039e01e797a38bc97bf22aff9832ecd18ff5fSteve Naroff
3530b7ebb3dba0df0a6cbf221e5edbc6a4b8848478cChris Lattnervoid ObjCInterfaceDecl::Destroy(ASTContext &C) {
354d13d30258647e20c55a3910e4969f4a47bb2802cChris Lattner  for (ivar_iterator I = ivar_begin(), E = ivar_end(); I != E; ++I)
3558a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek    if (*I) (*I)->Destroy(C);
3568a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek
35738af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner  IVars.Destroy(C);
3580b7ebb3dba0df0a6cbf221e5edbc6a4b8848478cChris Lattner  // FIXME: CategoryList?
3590b7ebb3dba0df0a6cbf221e5edbc6a4b8848478cChris Lattner
3601a726d7cbf62ab13949743e9ef8c0670dd862e46Ted Kremenek  // FIXME: Because there is no clear ownership
3611a726d7cbf62ab13949743e9ef8c0670dd862e46Ted Kremenek  //  role between ObjCInterfaceDecls and the ObjCPropertyDecls that they
3621a726d7cbf62ab13949743e9ef8c0670dd862e46Ted Kremenek  //  reference, we destroy ObjCPropertyDecls in ~TranslationUnit.
3638a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek  Decl::Destroy(C);
3648a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek}
3658a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek
3668a779314870760848e61da2c428a78971fe3f1c3Ted Kremenek
367ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner/// FindCategoryDeclaration - Finds category declaration in the list of
368ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner/// categories for this class and returns it. Name of the category is passed
369ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner/// in 'CategoryId'. If category not found, return 0;
370ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner///
371ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris LattnerObjCCategoryDecl *
372ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris LattnerObjCInterfaceDecl::FindCategoryDeclaration(IdentifierInfo *CategoryId) const {
373ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  for (ObjCCategoryDecl *Category = getCategoryList();
374ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner       Category; Category = Category->getNextClassCategory())
375ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    if (Category->getIdentifier() == CategoryId)
376ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      return Category;
377ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  return 0;
378ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner}
379ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
380ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
381ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// ObjCIvarDecl
382ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
383ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
3840c00aac5d618f39afc406c5b2e07642930af1d56Argyrios KyrtzidisObjCIvarDecl *ObjCIvarDecl::Create(ASTContext &C, DeclContext *DC,
3850c00aac5d618f39afc406c5b2e07642930af1d56Argyrios Kyrtzidis                                   SourceLocation L, IdentifierInfo *Id,
3860c00aac5d618f39afc406c5b2e07642930af1d56Argyrios Kyrtzidis                                   QualType T, AccessControl ac, Expr *BW) {
3870c00aac5d618f39afc406c5b2e07642930af1d56Argyrios Kyrtzidis  return new (C) ObjCIvarDecl(DC, L, Id, T, ac, BW);
3886c4ae5de0c356777446f823b573821fb95560d91Chris Lattner}
3896c4ae5de0c356777446f823b573821fb95560d91Chris Lattner
39001e6779faca1e3a3164c697d6e2dfee0881a6981Ted Kremenek
391ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
392ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
393ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// ObjCAtDefsFieldDecl
394ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
395ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
39601e6779faca1e3a3164c697d6e2dfee0881a6981Ted KremenekObjCAtDefsFieldDecl
39744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor*ObjCAtDefsFieldDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L,
39801e6779faca1e3a3164c697d6e2dfee0881a6981Ted Kremenek                             IdentifierInfo *Id, QualType T, Expr *BW) {
3993e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff  return new (C) ObjCAtDefsFieldDecl(DC, L, Id, T, BW);
40001e6779faca1e3a3164c697d6e2dfee0881a6981Ted Kremenek}
40101e6779faca1e3a3164c697d6e2dfee0881a6981Ted Kremenek
40201e6779faca1e3a3164c697d6e2dfee0881a6981Ted Kremenekvoid ObjCAtDefsFieldDecl::Destroy(ASTContext& C) {
40301e6779faca1e3a3164c697d6e2dfee0881a6981Ted Kremenek  this->~ObjCAtDefsFieldDecl();
4043e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff  C.Deallocate((void *)this);
40501e6779faca1e3a3164c697d6e2dfee0881a6981Ted Kremenek}
40601e6779faca1e3a3164c697d6e2dfee0881a6981Ted Kremenek
407ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
408ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// ObjCProtocolDecl
409ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
410ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
411d04341000d35c8808a72838b057eed7bf13b7661Douglas GregorObjCProtocolDecl *ObjCProtocolDecl::Create(ASTContext &C, DeclContext *DC,
4120ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner                                           SourceLocation L,
413c858105d41602a2dadb2efbc1af80a7b791ebac3Chris Lattner                                           IdentifierInfo *Id) {
4143e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff  return new (C) ObjCProtocolDecl(DC, L, Id);
415cca59d77c4b84fd2da268018dbaf9431a621e75bChris Lattner}
416cca59d77c4b84fd2da268018dbaf9431a621e75bChris Lattner
417411280e5b25ba7dcd7c8a82a5c23880fe7632a3cChris Lattnervoid ObjCProtocolDecl::Destroy(ASTContext &C) {
41838af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner  ReferencedProtocols.Destroy(C);
419411280e5b25ba7dcd7c8a82a5c23880fe7632a3cChris Lattner  ObjCContainerDecl::Destroy(C);
4201c8a413c1e00636c77666ddf1e3b0311f3fa8c81Ted Kremenek}
4211c8a413c1e00636c77666ddf1e3b0311f3fa8c81Ted Kremenek
42291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve NaroffObjCProtocolDecl *ObjCProtocolDecl::lookupProtocolNamed(IdentifierInfo *Name) {
42391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff  ObjCProtocolDecl *PDecl = this;
42491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff
42591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff  if (Name == getIdentifier())
42691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff    return PDecl;
42791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff
42891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff  for (protocol_iterator I = protocol_begin(), E = protocol_end(); I != E; ++I)
42991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff    if ((PDecl = (*I)->lookupProtocolNamed(Name)))
43091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff      return PDecl;
43191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff
43291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff  return NULL;
43391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff}
43491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff
435ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// lookupInstanceMethod - Lookup a instance method in the protocol and protocols
436ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// it inherited.
43717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios KyrtzidisObjCMethodDecl *ObjCProtocolDecl::lookupInstanceMethod(Selector Sel) {
438ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  ObjCMethodDecl *MethodDecl = NULL;
439ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
44017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis  if ((MethodDecl = getInstanceMethod(Sel)))
441ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    return MethodDecl;
442ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
443ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  for (protocol_iterator I = protocol_begin(), E = protocol_end(); I != E; ++I)
44417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis    if ((MethodDecl = (*I)->lookupInstanceMethod(Sel)))
445ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      return MethodDecl;
446ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  return NULL;
447ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner}
4481c8a413c1e00636c77666ddf1e3b0311f3fa8c81Ted Kremenek
449ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// lookupInstanceMethod - Lookup a class method in the protocol and protocols
450ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// it inherited.
45117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios KyrtzidisObjCMethodDecl *ObjCProtocolDecl::lookupClassMethod(Selector Sel) {
452ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  ObjCMethodDecl *MethodDecl = NULL;
453ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
45417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis  if ((MethodDecl = getClassMethod(Sel)))
455ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    return MethodDecl;
456ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
457ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  for (protocol_iterator I = protocol_begin(), E = protocol_end(); I != E; ++I)
45817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis    if ((MethodDecl = (*I)->lookupClassMethod(Sel)))
459ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      return MethodDecl;
460ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  return NULL;
461ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner}
462411280e5b25ba7dcd7c8a82a5c23880fe7632a3cChris Lattner
463ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
464ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// ObjCClassDecl
465ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
466411280e5b25ba7dcd7c8a82a5c23880fe7632a3cChris Lattner
46738af2deb27cdfa1a95bde96e30dab15dce53fcefChris LattnerObjCClassDecl::ObjCClassDecl(DeclContext *DC, SourceLocation L,
46838af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner                             ObjCInterfaceDecl *const *Elts, unsigned nElts,
46938af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner                             ASTContext &C)
47038af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner  : Decl(ObjCClass, DC, L) {
47138af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner  ForwardDecls.set(Elts, nElts, C);
47238af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner}
47338af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner
47438af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner
475d04341000d35c8808a72838b057eed7bf13b7661Douglas GregorObjCClassDecl *ObjCClassDecl::Create(ASTContext &C, DeclContext *DC,
4760ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner                                     SourceLocation L,
47767956052ea5fb0cd7f443de96a11f9a0176dc681Chris Lattner                                     ObjCInterfaceDecl *const *Elts,
47867956052ea5fb0cd7f443de96a11f9a0176dc681Chris Lattner                                     unsigned nElts) {
47938af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner  return new (C) ObjCClassDecl(DC, L, Elts, nElts, C);
48061f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner}
48161f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner
4820b7ebb3dba0df0a6cbf221e5edbc6a4b8848478cChris Lattnervoid ObjCClassDecl::Destroy(ASTContext &C) {
483400d95fb7bb9fac609f8613862b84f3a2a7d510fTed Kremenek
484400d95fb7bb9fac609f8613862b84f3a2a7d510fTed Kremenek  // FIXME: There is no clear ownership policy now for referenced
485400d95fb7bb9fac609f8613862b84f3a2a7d510fTed Kremenek  //  ObjCInterfaceDecls.  Some of them can be forward declarations that
486400d95fb7bb9fac609f8613862b84f3a2a7d510fTed Kremenek  //  are never later defined (in which case the ObjCClassDecl owns them)
487400d95fb7bb9fac609f8613862b84f3a2a7d510fTed Kremenek  //  or the ObjCInterfaceDecl later becomes a real definition later.  Ideally
488400d95fb7bb9fac609f8613862b84f3a2a7d510fTed Kremenek  //  we should have separate objects for forward declarations and definitions,
489400d95fb7bb9fac609f8613862b84f3a2a7d510fTed Kremenek  //  obviating this problem.  Because of this situation, referenced
490400d95fb7bb9fac609f8613862b84f3a2a7d510fTed Kremenek  //  ObjCInterfaceDecls are destroyed in ~TranslationUnit.
491400d95fb7bb9fac609f8613862b84f3a2a7d510fTed Kremenek
49238af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner  ForwardDecls.Destroy(C);
493400d95fb7bb9fac609f8613862b84f3a2a7d510fTed Kremenek  Decl::Destroy(C);
494400d95fb7bb9fac609f8613862b84f3a2a7d510fTed Kremenek}
495400d95fb7bb9fac609f8613862b84f3a2a7d510fTed Kremenek
496ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
497ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// ObjCForwardProtocolDecl
498ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
499ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
50038af2deb27cdfa1a95bde96e30dab15dce53fcefChris LattnerObjCForwardProtocolDecl::
50138af2deb27cdfa1a95bde96e30dab15dce53fcefChris LattnerObjCForwardProtocolDecl(DeclContext *DC, SourceLocation L,
50238af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner                        ObjCProtocolDecl *const *Elts, unsigned nElts,
50338af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner                        ASTContext &C)
50438af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner: Decl(ObjCForwardProtocol, DC, L) {
50538af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner  ReferencedProtocols.set(Elts, nElts, C);
50638af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner}
50738af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner
50838af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner
50961f9d41036e30ff80130f99b31c0626e3ef057ccChris LattnerObjCForwardProtocolDecl *
510d04341000d35c8808a72838b057eed7bf13b7661Douglas GregorObjCForwardProtocolDecl::Create(ASTContext &C, DeclContext *DC,
5110ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner                                SourceLocation L,
51207fa7749da805969f2ed467a4eb5b405a4ff9a23Chris Lattner                                ObjCProtocolDecl *const *Elts,
51307fa7749da805969f2ed467a4eb5b405a4ff9a23Chris Lattner                                unsigned NumElts) {
51438af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner  return new (C) ObjCForwardProtocolDecl(DC, L, Elts, NumElts, C);
5150b7ebb3dba0df0a6cbf221e5edbc6a4b8848478cChris Lattner}
5160b7ebb3dba0df0a6cbf221e5edbc6a4b8848478cChris Lattner
5170b7ebb3dba0df0a6cbf221e5edbc6a4b8848478cChris Lattnervoid ObjCForwardProtocolDecl::Destroy(ASTContext &C) {
51838af2deb27cdfa1a95bde96e30dab15dce53fcefChris Lattner  ReferencedProtocols.Destroy(C);
51907fa7749da805969f2ed467a4eb5b405a4ff9a23Chris Lattner  Decl::Destroy(C);
52005ac3ef08f9d06e0a4439073c9edabf7f912f946Ted Kremenek}
52105ac3ef08f9d06e0a4439073c9edabf7f912f946Ted Kremenek
522ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
523ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// ObjCCategoryDecl
524ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
525ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
526d04341000d35c8808a72838b057eed7bf13b7661Douglas GregorObjCCategoryDecl *ObjCCategoryDecl::Create(ASTContext &C, DeclContext *DC,
5270ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner                                           SourceLocation L,
52861f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner                                           IdentifierInfo *Id) {
5293e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff  return new (C) ObjCCategoryDecl(DC, L, Id);
53061f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner}
53161f9d41036e30ff80130f99b31c0626e3ef057ccChris Lattner
532ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
533ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// ObjCCategoryImplDecl
534ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
535ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner
53675c9cae5f85c72cbb1649e93849e16ede3f07522Chris LattnerObjCCategoryImplDecl *
537d04341000d35c8808a72838b057eed7bf13b7661Douglas GregorObjCCategoryImplDecl::Create(ASTContext &C, DeclContext *DC,
5380ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner                             SourceLocation L,IdentifierInfo *Id,
53975c9cae5f85c72cbb1649e93849e16ede3f07522Chris Lattner                             ObjCInterfaceDecl *ClassInterface) {
5403e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff  return new (C) ObjCCategoryImplDecl(DC, L, Id, ClassInterface);
54175c9cae5f85c72cbb1649e93849e16ede3f07522Chris Lattner}
54275c9cae5f85c72cbb1649e93849e16ede3f07522Chris Lattner
543f8d17a59167d9c2026506ed8813ea434d93b662aChris Lattner
54417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidisvoid ObjCImplDecl::addPropertyImplementation(ObjCPropertyImplDecl *property) {
5452c2d43c557beca1b4ba4bd743f33978aecb46a97Douglas Gregor  // FIXME: The context should be correct before we get here.
546653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  property->setLexicalDeclContext(this);
54717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis  addDecl(property);
548653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor}
549653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor
550ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner/// FindPropertyImplIvarDecl - This method lookup the ivar in the list of
551ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner/// properties implemented in this category @implementation block and returns
552ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner/// the implemented property that uses it.
553aaa63a761c6671a08e3f4f463435b72739fa194bFariborz Jahanian///
5543aa1861bd8b5121e53379b1a00f9d6ad8dead4f6Chris LattnerObjCPropertyImplDecl *ObjCImplDecl::
55517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios KyrtzidisFindPropertyImplIvarDecl(IdentifierInfo *ivarId) const {
55617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis  for (propimpl_iterator i = propimpl_begin(), e = propimpl_end(); i != e; ++i){
557ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    ObjCPropertyImplDecl *PID = *i;
558ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    if (PID->getPropertyIvarDecl() &&
559ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner        PID->getPropertyIvarDecl()->getIdentifier() == ivarId)
560ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      return PID;
561ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  }
5620701bbb228dfd87e1fe82a0a4b7b9facfecb43daSteve Naroff  return 0;
5630701bbb228dfd87e1fe82a0a4b7b9facfecb43daSteve Naroff}
5640701bbb228dfd87e1fe82a0a4b7b9facfecb43daSteve Naroff
565ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner/// FindPropertyImplDecl - This method looks up a previous ObjCPropertyImplDecl
566ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner/// added to the list of those properties @synthesized/@dynamic in this
567ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner/// category @implementation block.
568559c0c4bbecc017aab0716d546c4fefbcc194687Fariborz Jahanian///
5693aa1861bd8b5121e53379b1a00f9d6ad8dead4f6Chris LattnerObjCPropertyImplDecl *ObjCImplDecl::
57017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios KyrtzidisFindPropertyImplDecl(IdentifierInfo *Id) const {
57117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis  for (propimpl_iterator i = propimpl_begin(), e = propimpl_end(); i != e; ++i){
572ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    ObjCPropertyImplDecl *PID = *i;
573ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner    if (PID->getPropertyDecl()->getIdentifier() == Id)
574ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner      return PID;
575f034e9cc4dad81d8fe6eb88a84da55b2909a9cddFariborz Jahanian  }
576559c0c4bbecc017aab0716d546c4fefbcc194687Fariborz Jahanian  return 0;
577559c0c4bbecc017aab0716d546c4fefbcc194687Fariborz Jahanian}
578559c0c4bbecc017aab0716d546c4fefbcc194687Fariborz Jahanian
5793aa1861bd8b5121e53379b1a00f9d6ad8dead4f6Chris Lattner// getInstanceMethod - This method returns an instance method by looking in
580ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// the class implementation. Unlike interfaces, we don't look outside the
581ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// implementation.
58217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios KyrtzidisObjCMethodDecl *ObjCImplDecl::getInstanceMethod(Selector Sel) const {
583653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  // Since instance & class methods can have the same name, the loop below
584653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  // ensures we get the correct method.
585653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  //
586653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  // @interface Whatever
587653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  // - (int) class_method;
588653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  // + (float) class_method;
589653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  // @end
590653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  //
591653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  lookup_const_iterator Meth, MethEnd;
59217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis  for (llvm::tie(Meth, MethEnd) = lookup(Sel);
593653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor       Meth != MethEnd; ++Meth) {
594653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor    ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(*Meth);
595653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor    if (MD && MD->isInstanceMethod())
596653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor      return MD;
597653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  }
598653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  return 0;
5991e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner}
6001e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner
6013aa1861bd8b5121e53379b1a00f9d6ad8dead4f6Chris Lattner// getClassMethod - This method returns an instance method by looking in
602ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// the class implementation. Unlike interfaces, we don't look outside the
603ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// implementation.
60417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios KyrtzidisObjCMethodDecl *ObjCImplDecl::getClassMethod(Selector Sel) const {
605653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  // Since instance & class methods can have the same name, the loop below
606653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  // ensures we get the correct method.
607653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  //
608653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  // @interface Whatever
609653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  // - (int) class_method;
610653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  // + (float) class_method;
611653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  // @end
612653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  //
613653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  lookup_const_iterator Meth, MethEnd;
61417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis  for (llvm::tie(Meth, MethEnd) = lookup(Sel);
615653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor       Meth != MethEnd; ++Meth) {
616653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor    ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(*Meth);
617653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor    if (MD && MD->isClassMethod())
618653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor      return MD;
619653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  }
620653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor  return 0;
6211e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner}
6221e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner
623ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
624ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// ObjCImplementationDecl
625ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
6261e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner
627ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris LattnerObjCImplementationDecl *
628ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris LattnerObjCImplementationDecl::Create(ASTContext &C, DeclContext *DC,
629ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner                               SourceLocation L,
630ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner                               ObjCInterfaceDecl *ClassInterface,
631ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner                               ObjCInterfaceDecl *SuperDecl) {
632ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  return new (C) ObjCImplementationDecl(DC, L, ClassInterface, SuperDecl);
633ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner}
6341e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner
635ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
636ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// ObjCCompatibleAliasDecl
637ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
6381e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner
639ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris LattnerObjCCompatibleAliasDecl *
640ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris LattnerObjCCompatibleAliasDecl::Create(ASTContext &C, DeclContext *DC,
641ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner                                SourceLocation L,
642ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner                                IdentifierInfo *Id,
643ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner                                ObjCInterfaceDecl* AliasedClass) {
644ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  return new (C) ObjCCompatibleAliasDecl(DC, L, Id, AliasedClass);
6451e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner}
6461e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner
647ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
648ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// ObjCPropertyDecl
649ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
6501e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner
651ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris LattnerObjCPropertyDecl *ObjCPropertyDecl::Create(ASTContext &C, DeclContext *DC,
652ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner                                           SourceLocation L,
653ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner                                           IdentifierInfo *Id,
654ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner                                           QualType T,
655ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner                                           PropertyControl propControl) {
656ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner  return new (C) ObjCPropertyDecl(DC, L, Id, T);
6571e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner}
6581e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner
6591e03a561f4bd96910cb31a8af53a6ad321a12b51Chris Lattner
660ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
661ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner// ObjCPropertyImplDecl
662ab35163a5b80bf1bd49f0eebb708970f2b0e04e9Chris Lattner//===----------------------------------------------------------------------===//
663f4af5154571e0c5eadb19df10e65464766ef6683Chris Lattner
664628b96f34e93b643b6e15e75eabb8d96079a7e27Fariborz JahanianObjCPropertyImplDecl *ObjCPropertyImplDecl::Create(ASTContext &C,
665d04341000d35c8808a72838b057eed7bf13b7661Douglas Gregor                                                   DeclContext *DC,
666628b96f34e93b643b6e15e75eabb8d96079a7e27Fariborz Jahanian                                                   SourceLocation atLoc,
667628b96f34e93b643b6e15e75eabb8d96079a7e27Fariborz Jahanian                                                   SourceLocation L,
668628b96f34e93b643b6e15e75eabb8d96079a7e27Fariborz Jahanian                                                   ObjCPropertyDecl *property,
6699f0afd4e79601d9982072ff9318e6f9a982c770eDaniel Dunbar                                                   Kind PK,
670628b96f34e93b643b6e15e75eabb8d96079a7e27Fariborz Jahanian                                                   ObjCIvarDecl *ivar) {
6713e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff  return new (C) ObjCPropertyImplDecl(DC, atLoc, L, property, PK, ivar);
672628b96f34e93b643b6e15e75eabb8d96079a7e27Fariborz Jahanian}
673f4af5154571e0c5eadb19df10e65464766ef6683Chris Lattner
6740ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner
675