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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 #include <vector>
26 
27 namespace lir {
28 
29 // Generates debug info from code IR
30 class DebugInfoEncoder : public Visitor {
31  private:
32   virtual bool Visit(DbgInfoHeader* dbg_header) override;
33   virtual bool Visit(DbgInfoAnnotation* dbg_annotation) override;
34 
35  public:
DebugInfoEncoder(const InstructionsList & instructions)36   explicit DebugInfoEncoder(const InstructionsList& instructions)
37     : instructions_(instructions) {
38   }
39 
40   ~DebugInfoEncoder() = default;
41 
42   void Encode(ir::EncodedMethod* ir_method, std::shared_ptr<ir::DexFile> dex_ir);
43 
44  private:
45   std::vector<ir::String*>* param_names_ = nullptr;
46   dex::u4 line_start_ = 0;
47   dex::u4 last_line_ = 0;
48   dex::u4 last_address_ = 0;
49   ir::String* source_file_ = nullptr;
50   slicer::Buffer dbginfo_;
51   const InstructionsList& instructions_;
52 };
53 
54 } // namespace lir
55 
56