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 namespace art {
23 class HBasicBlock;
24 
25 struct BlockNamer {
26  public:
27   struct NameWrapper {
28     HBasicBlock* blk_;
29     const BlockNamer& namer_;
30   };
~BlockNamerBlockNamer31   virtual ~BlockNamer() {}
32   virtual std::ostream& PrintName(std::ostream& os, HBasicBlock* blk) const;
GetNameBlockNamer33   NameWrapper GetName(HBasicBlock* blk) const {
34     return NameWrapper{blk, *this};
35   }
36 };
37 
38 inline std::ostream& operator<<(std::ostream& os, const BlockNamer::NameWrapper& blk) {
39   return blk.namer_.PrintName(os, blk.blk_);
40 }
41 
42 }  // namespace art
43 
44 #endif  // ART_COMPILER_OPTIMIZING_BLOCK_NAMER_H_
45