1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef V8_BACKGROUND_PARSING_TASK_H_
6 #define V8_BACKGROUND_PARSING_TASK_H_
8 #include "src/base/platform/platform.h"
9 #include "src/base/platform/semaphore.h"
10 #include "src/base/smart-pointers.h"
11 #include "src/compiler.h"
12 #include "src/parser.h"
17 // Internal representation of v8::ScriptCompiler::StreamedSource. Contains all
18 // data which needs to be transmitted between threads for background parsing,
19 // finalizing it on the main thread, and compiling on the main thread.
20 struct StreamedSource {
21 StreamedSource(ScriptCompiler::ExternalSourceStream* source_stream,
22 ScriptCompiler::StreamedSource::Encoding encoding)
23 : source_stream(source_stream), encoding(encoding) {}
25 // Internal implementation of v8::ScriptCompiler::StreamedSource.
26 base::SmartPointer<ScriptCompiler::ExternalSourceStream> source_stream;
27 ScriptCompiler::StreamedSource::Encoding encoding;
28 base::SmartPointer<ScriptCompiler::CachedData> cached_data;
30 // Data needed for parsing, and data needed to to be passed between thread
31 // between parsing and compilation. These need to be initialized before the
32 // compilation starts.
33 UnicodeCache unicode_cache;
34 base::SmartPointer<Zone> zone;
35 base::SmartPointer<ParseInfo> info;
36 base::SmartPointer<Parser> parser;
39 // Prevent copying. Not implemented.
40 StreamedSource(const StreamedSource&);
41 StreamedSource& operator=(const StreamedSource&);
45 class BackgroundParsingTask : public ScriptCompiler::ScriptStreamingTask {
47 BackgroundParsingTask(StreamedSource* source,
48 ScriptCompiler::CompileOptions options, int stack_size,
54 StreamedSource* source_; // Not owned.
57 } // namespace internal
60 #endif // V8_BACKGROUND_PARSING_TASK_H_