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1 /*
2  * Copyright (C) 2021 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 #ifndef ART_COMPILER_OPTIMIZING_BLOCK_NAMER_H_
18 #define ART_COMPILER_OPTIMIZING_BLOCK_NAMER_H_
19 
20 #include <ostream>
21 
22 #include "base/macros.h"
23 
24 namespace art HIDDEN {
25 class HBasicBlock;
26 
27 struct BlockNamer {
28  public:
29   struct NameWrapper {
30     HBasicBlock* blk_;
31     const BlockNamer& namer_;
32   };
~BlockNamerBlockNamer33   virtual ~BlockNamer() {}
34   virtual std::ostream& PrintName(std::ostream& os, HBasicBlock* blk) const;
GetNameBlockNamer35   NameWrapper GetName(HBasicBlock* blk) const {
36     return NameWrapper{blk, *this};
37   }
38 };
39 
40 inline std::ostream& operator<<(std::ostream& os, const BlockNamer::NameWrapper& blk) {
41   return blk.namer_.PrintName(os, blk.blk_);
42 }
43 
44 }  // namespace art
45 
46 #endif  // ART_COMPILER_OPTIMIZING_BLOCK_NAMER_H_
47