1 //===- ObjectTransformLayer.h - Run all objects through functor -*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // Run all objects passed in through a user supplied functor. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_EXECUTIONENGINE_ORC_OBJECTTRANSFORMLAYER_H 14 #define LLVM_EXECUTIONENGINE_ORC_OBJECTTRANSFORMLAYER_H 15 16 #include "llvm/ExecutionEngine/JITSymbol.h" 17 #include "llvm/ExecutionEngine/Orc/Layer.h" 18 #include <algorithm> 19 #include <memory> 20 #include <string> 21 22 namespace llvm { 23 namespace orc { 24 25 class ObjectTransformLayer 26 : public RTTIExtends<ObjectTransformLayer, ObjectLayer> { 27 public: 28 static char ID; 29 30 using TransformFunction = 31 std::function<Expected<std::unique_ptr<MemoryBuffer>>( 32 std::unique_ptr<MemoryBuffer>)>; 33 34 ObjectTransformLayer(ExecutionSession &ES, ObjectLayer &BaseLayer, 35 TransformFunction Transform = TransformFunction()); 36 37 void emit(std::unique_ptr<MaterializationResponsibility> R, 38 std::unique_ptr<MemoryBuffer> O) override; 39 setTransform(TransformFunction Transform)40 void setTransform(TransformFunction Transform) { 41 this->Transform = std::move(Transform); 42 } 43 44 private: 45 ObjectLayer &BaseLayer; 46 TransformFunction Transform; 47 }; 48 49 } // end namespace orc 50 } // end namespace llvm 51 52 #endif // LLVM_EXECUTIONENGINE_ORC_OBJECTTRANSFORMLAYER_H 53