Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===- ObjectTransformLayer.h - Run all objects through functor -*- 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

//

//===----------------------------------------------------------------------===//

//

// Run all objects passed in through a user supplied functor.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_EXECUTIONENGINE_ORC_OBJECTTRANSFORMLAYER_H

#define LLVM_EXECUTIONENGINE_ORC_OBJECTTRANSFORMLAYER_H

#include "llvm/ExecutionEngine/JITSymbol.h"

#include "llvm/ExecutionEngine/Orc/Layer.h"

#include <algorithm>

#include <memory>

namespace llvm {

namespace orc {

class ObjectTransformLayer

    : public RTTIExtends<ObjectTransformLayer, ObjectLayer> {

public:

  static char ID;

  using TransformFunction =

      std::function<Expected<std::unique_ptr<MemoryBuffer>>(

          std::unique_ptr<MemoryBuffer>)>;

  ObjectTransformLayer(ExecutionSession &ES, ObjectLayer &BaseLayer,

                       TransformFunction Transform = TransformFunction());

  void emit(std::unique_ptr<MaterializationResponsibility> R,

            std::unique_ptr<MemoryBuffer> O) override;

  void setTransform(TransformFunction Transform) {

    this->Transform = std::move(Transform);

  }

private:

  ObjectLayer &BaseLayer;

  TransformFunction Transform;

};

} // end namespace orc

} // end namespace llvm

#endif // LLVM_EXECUTIONENGINE_ORC_OBJECTTRANSFORMLAYER_H