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 "src/v8.h"
9 
10 namespace v8 {
11 namespace internal {
12 
13 class GCExtension : public v8::Extension {
14  public:
GCExtension(const char * fun_name)15   explicit GCExtension(const char* fun_name)
16       : v8::Extension("v8/gc",
17                       BuildSource(buffer_, sizeof(buffer_), fun_name)) {}
18   virtual v8::Handle<v8::FunctionTemplate> GetNativeFunctionTemplate(
19       v8::Isolate* isolate,
20       v8::Handle<v8::String> name);
21   static void GC(const v8::FunctionCallbackInfo<v8::Value>& args);
22 
23  private:
BuildSource(char * buf,size_t size,const char * fun_name)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 v8::internal
34 
35 #endif  // V8_EXTENSIONS_GC_EXTENSION_H_
36