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 | |
21 | namespace llvm { |
22 | namespace orc { |
23 | |
24 | class ObjectTransformLayer |
25 | : public RTTIExtends<ObjectTransformLayer, ObjectLayer> { |
26 | public: |
27 | static char ID; |
28 | |
29 | using TransformFunction = |
30 | std::function<Expected<std::unique_ptr<MemoryBuffer>>( |
31 | std::unique_ptr<MemoryBuffer>)>; |
32 | |
33 | ObjectTransformLayer(ExecutionSession &ES, ObjectLayer &BaseLayer, |
34 | TransformFunction Transform = TransformFunction()); |
35 | |
36 | void emit(std::unique_ptr<MaterializationResponsibility> R, |
37 | std::unique_ptr<MemoryBuffer> O) override; |
38 | |
39 | void setTransform(TransformFunction Transform) { |
40 | this->Transform = std::move(Transform); |
41 | } |
42 | |
43 | private: |
44 | ObjectLayer &BaseLayer; |
45 | TransformFunction Transform; |
46 | }; |
47 | |
48 | } // end namespace orc |
49 | } // end namespace llvm |
50 | |
51 | #endif // LLVM_EXECUTIONENGINE_ORC_OBJECTTRANSFORMLAYER_H |
52 |