| // Copyright 2014 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_BACKGROUND_PARSING_TASK_H_ |
| #define V8_BACKGROUND_PARSING_TASK_H_ |
| |
| #include "src/base/platform/platform.h" |
| #include "src/base/platform/semaphore.h" |
| #include "src/base/smart-pointers.h" |
| #include "src/compiler.h" |
| #include "src/parsing/parser.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| // Internal representation of v8::ScriptCompiler::StreamedSource. Contains all |
| // data which needs to be transmitted between threads for background parsing, |
| // finalizing it on the main thread, and compiling on the main thread. |
| struct StreamedSource { |
| StreamedSource(ScriptCompiler::ExternalSourceStream* source_stream, |
| ScriptCompiler::StreamedSource::Encoding encoding) |
| : source_stream(source_stream), encoding(encoding) {} |
| |
| // Internal implementation of v8::ScriptCompiler::StreamedSource. |
| base::SmartPointer<ScriptCompiler::ExternalSourceStream> source_stream; |
| ScriptCompiler::StreamedSource::Encoding encoding; |
| base::SmartPointer<ScriptCompiler::CachedData> cached_data; |
| |
| // Data needed for parsing, and data needed to to be passed between thread |
| // between parsing and compilation. These need to be initialized before the |
| // compilation starts. |
| UnicodeCache unicode_cache; |
| base::SmartPointer<Zone> zone; |
| base::SmartPointer<ParseInfo> info; |
| base::SmartPointer<Parser> parser; |
| |
| private: |
| // Prevent copying. Not implemented. |
| StreamedSource(const StreamedSource&); |
| StreamedSource& operator=(const StreamedSource&); |
| }; |
| |
| |
| class BackgroundParsingTask : public ScriptCompiler::ScriptStreamingTask { |
| public: |
| BackgroundParsingTask(StreamedSource* source, |
| ScriptCompiler::CompileOptions options, int stack_size, |
| Isolate* isolate); |
| |
| virtual void Run(); |
| |
| private: |
| StreamedSource* source_; // Not owned. |
| int stack_size_; |
| }; |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_BACKGROUND_PARSING_TASK_H_ |