llvm/clang/lib/CodeGen/CGObjCRuntime.h

//===----- CGObjCRuntime.h - Interface to ObjC Runtimes ---------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This provides an abstract class for Objective-C code generation.  Concrete
// subclasses of this implement code generation for specific Objective-C
// runtime libraries.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_LIB_CODEGEN_CGOBJCRUNTIME_H
#define LLVM_CLANG_LIB_CODEGEN_CGOBJCRUNTIME_H
#include "CGBuilder.h"
#include "CGCall.h"
#include "CGCleanup.h"
#include "CGValue.h"
#include "clang/AST/DeclObjC.h"
#include "clang/Basic/IdentifierTable.h" // Selector
#include "llvm/ADT/UniqueVector.h"

namespace llvm {
  class Constant;
  class Function;
  class Module;
  class StructLayout;
  class StructType;
  class Type;
  class Value;
}

namespace clang {
namespace CodeGen {
class CGFunctionInfo;
class CodeGenFunction;
}

  class FieldDecl;
  class ObjCAtTryStmt;
  class ObjCAtThrowStmt;
  class ObjCAtSynchronizedStmt;
  class ObjCContainerDecl;
  class ObjCCategoryImplDecl;
  class ObjCImplementationDecl;
  class ObjCInterfaceDecl;
  class ObjCMessageExpr;
  class ObjCMethodDecl;
  class ObjCProtocolDecl;
  class Selector;
  class ObjCIvarDecl;
  class ObjCStringLiteral;
  class BlockDeclRefExpr;

namespace CodeGen {
  class CodeGenModule;
  class CGBlockInfo;

// FIXME: Several methods should be pure virtual but aren't to avoid the
// partially-implemented subclass breaking.

/// Implements runtime-specific code generation functions.
class CGObjCRuntime { … };

/// Creates an instance of an Objective-C runtime class.
//TODO: This should include some way of selecting which runtime to target.
CGObjCRuntime *CreateGNUObjCRuntime(CodeGenModule &CGM);
CGObjCRuntime *CreateMacObjCRuntime(CodeGenModule &CGM);
}
}
#endif