path: root/lib/AST/DeclObjC.cpp

//===--- DeclObjC.cpp - ObjC Declaration AST Node Implementation ----------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the Objective-C related Decl classes.
//
//===----------------------------------------------------------------------===//

#include "clang/AST/DeclObjC.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Stmt.h"
using namespace clang;

//===----------------------------------------------------------------------===//
// ObjC Decl Allocation/Deallocation Method Implementations
//===----------------------------------------------------------------------===//

ObjCMethodDecl *ObjCMethodDecl::Create(ASTContext &C,
                                       SourceLocation beginLoc, 
                                       SourceLocation endLoc,
                                       Selector SelInfo, QualType T,
                                       Decl *contextDecl,
                                       bool isInstance,
                                       bool isVariadic,
                                       bool isSynthesized,
                                       ImplementationControl impControl) {
  void *Mem = C.getAllocator().Allocate<ObjCMethodDecl>();
  return new (Mem) ObjCMethodDecl(beginLoc, endLoc,
                                  SelInfo, T, contextDecl,
                                  isInstance, 
                                  isVariadic, isSynthesized, impControl);
}

ObjCMethodDecl::~ObjCMethodDecl() {  
  delete [] ParamInfo;
}

void ObjCMethodDecl::Destroy(ASTContext& C) {
  if (Body) Body->Destroy(C);
  if (SelfDecl) SelfDecl->Destroy(C);
  
  for (param_iterator I=param_begin(), E=param_end(); I!=E; ++I)
    if (*I) (*I)->Destroy(C);
  
  Decl::Destroy(C);
}

ObjCInterfaceDecl *ObjCInterfaceDecl::Create(ASTContext &C,
                                             SourceLocation atLoc,
                                             IdentifierInfo *Id, 
                                             SourceLocation ClassLoc,
                                             bool ForwardDecl, bool isInternal){
  void *Mem = C.getAllocator().Allocate<ObjCInterfaceDecl>();
  return new (Mem) ObjCInterfaceDecl(atLoc, Id, ClassLoc, ForwardDecl,
                                     isInternal);
}

ObjCInterfaceDecl::~ObjCInterfaceDecl() {
  delete [] Ivars;
  delete [] InstanceMethods;
  delete [] ClassMethods;
  delete [] PropertyDecl;
  // FIXME: CategoryList?
}

void ObjCInterfaceDecl::Destroy(ASTContext& C) {  
  for (ivar_iterator I=ivar_begin(), E=ivar_end(); I!=E; ++I)
    if (*I) (*I)->Destroy(C);
  
  for (instmeth_iterator I=instmeth_begin(), E=instmeth_end(); I!=E; ++I)
    if (*I) (*I)->Destroy(C);
  
  for (classmeth_iterator I=classmeth_begin(), E=classmeth_end(); I!=E; ++I)
    if (*I) (*I)->Destroy(C);

  // FIXME: Because there is no clear ownership
  //  role between ObjCInterfaceDecls and the ObjCPropertyDecls that they
  //  reference, we destroy ObjCPropertyDecls in ~TranslationUnit.

  Decl::Destroy(C);
}


ObjCIvarDecl *ObjCIvarDecl::Create(ASTContext &C, SourceLocation L,
                                   IdentifierInfo *Id, QualType T, 
                                   AccessControl ac, Expr *BW) {
  void *Mem = C.getAllocator().Allocate<ObjCIvarDecl>();
  return new (Mem) ObjCIvarDecl(L, Id, T, ac, BW);
}


ObjCAtDefsFieldDecl
*ObjCAtDefsFieldDecl::Create(ASTContext &C, SourceLocation L,
                             IdentifierInfo *Id, QualType T, Expr *BW) {
  void *Mem = C.getAllocator().Allocate<ObjCAtDefsFieldDecl>();
  return new (Mem) ObjCAtDefsFieldDecl(L, Id, T, BW);
}

void ObjCAtDefsFieldDecl::Destroy(ASTContext& C) {
  this->~ObjCAtDefsFieldDecl();
  C.getAllocator().Deallocate((void *)this); 
}

ObjCProtocolDecl *ObjCProtocolDecl::Create(ASTContext &C,
                                           SourceLocation L, 
                                           IdentifierInfo *Id) {
  void *Mem = C.getAllocator().Allocate<ObjCProtocolDecl>();
  return new (Mem) ObjCProtocolDecl(L, Id);
}

ObjCProtocolDecl::~ObjCProtocolDecl() {
  delete [] InstanceMethods;
  delete [] ClassMethods;
  delete [] PropertyDecl;
}

void ObjCProtocolDecl::Destroy(ASTContext& C) {
  
  // Referenced Protocols are not owned, so don't Destroy them.
  
  for (instmeth_iterator I=instmeth_begin(), E=instmeth_end(); I!=E; ++I)
    if (*I) (*I)->Destroy(C);
  
  for (classmeth_iterator I=classmeth_begin(), E=classmeth_end(); I!=E; ++I)
    if (*I) (*I)->Destroy(C);
  
  // FIXME: Because there is no clear ownership
  //  role between ObjCProtocolDecls and the ObjCPropertyDecls that they
  //  reference, we destroy ObjCPropertyDecls in ~TranslationUnit.
  
  Decl::Destroy(C);
}


ObjCClassDecl