1// Copyright 2010 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.
4
5#ifndef V8_EXTENSIONS_GC_EXTENSION_H_
6#define V8_EXTENSIONS_GC_EXTENSION_H_
7
8#include "include/v8.h"
9#include "src/utils.h"
10
11namespace v8 {
12namespace internal {
13
14class GCExtension : public v8::Extension {
15 public:
16  explicit GCExtension(const char* fun_name)
17      : v8::Extension("v8/gc",
18                      BuildSource(buffer_, sizeof(buffer_), fun_name)) {}
19  virtual v8::Local<v8::FunctionTemplate> GetNativeFunctionTemplate(
20      v8::Isolate* isolate, v8::Local<v8::String> name);
21  static void GC(const v8::FunctionCallbackInfo<v8::Value>& args);
22
23 private:
24  static const char* BuildSource(char* buf, size_t size, const char* fun_name) {
25    SNPrintF(Vector<char>(buf, static_cast<int>(size)),
26             "native function %s();", fun_name);
27    return buf;
28  }
29
30  char buffer_[50];
31};
32
33}  // namespace internal
34}  // namespace v8
35
36#endif  // V8_EXTENSIONS_GC_EXTENSION_H_
37