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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #pragma once
     18 
     19 #include "common.h"
     20 #include "code_ir.h"
     21 #include "dex_ir.h"
     22 #include "buffer.h"
     23 #include "chronometer.h"
     24 
     25 namespace lir {
     26 
     27 // Generates try/catch blocks from code IR
     28 class TryBlocksEncoder : public Visitor {
     29  private:
     30   virtual bool Visit(TryBlockEnd* try_end) override;
     31 
     32  public:
     33   explicit TryBlocksEncoder(const InstructionsList& instructions)
     34     : instructions_(instructions) {
     35   }
     36 
     37   ~TryBlocksEncoder() = default;
     38 
     39   void Encode(ir::Code* ir_code, std::shared_ptr<ir::DexFile> dex_ir);
     40 
     41  private:
     42   slicer::Buffer handlers_;
     43   slicer::Buffer tries_;
     44   const InstructionsList& instructions_;
     45 };
     46 
     47 } // namespace lir
     48 
     49