|  | // Copyright 2019 the V8 project authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | #ifndef V8_REGEXP_REGEXP_BYTECODE_PEEPHOLE_H_ | 
|  | #define V8_REGEXP_REGEXP_BYTECODE_PEEPHOLE_H_ | 
|  |  | 
|  | #include "src/common/globals.h" | 
|  | #include "src/zone/zone-containers.h" | 
|  |  | 
|  | namespace v8 { | 
|  | namespace internal { | 
|  |  | 
|  | class ByteArray; | 
|  |  | 
|  | // Peephole optimization for regexp interpreter bytecode. | 
|  | // Pre-defined bytecode sequences occuring in the bytecode generated by the | 
|  | // RegExpBytecodeGenerator can be optimized into a single bytecode. | 
|  | class RegExpBytecodePeepholeOptimization : public AllStatic { | 
|  | public: | 
|  | // Performs peephole optimization on the given bytecode and returns the | 
|  | // optimized bytecode. | 
|  | static Handle<ByteArray> OptimizeBytecode( | 
|  | Isolate* isolate, Zone* zone, Handle<String> source, const byte* bytecode, | 
|  | int length, const ZoneUnorderedMap<int, int>& jump_edges); | 
|  | }; | 
|  |  | 
|  | }  // namespace internal | 
|  | }  // namespace v8 | 
|  |  | 
|  | #endif  // V8_REGEXP_REGEXP_BYTECODE_PEEPHOLE_H_ |