1// Copyright 2011 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_SNAPSHOT_NATIVES_H_ 6#define V8_SNAPSHOT_NATIVES_H_ 7 8#include "src/objects.h" 9#include "src/vector.h" 10 11namespace v8 { class StartupData; } // Forward declaration. 12 13namespace v8 { 14namespace internal { 15 16enum NativeType { 17 CORE, 18 EXPERIMENTAL, 19 EXTRAS, 20 EXPERIMENTAL_EXTRAS, 21 D8, 22 TEST 23}; 24 25// Extra handling for V8_EXPORT_PRIVATE in combination with USING_V8_SHARED 26// since definition of methods of classes marked as dllimport is not allowed. 27template <NativeType type> 28#ifdef USING_V8_SHARED 29class NativesCollection { 30#else 31class V8_EXPORT_PRIVATE NativesCollection { 32#endif // USING_V8_SHARED 33 34 public: 35 // The following methods are implemented in js2c-generated code: 36 37 // Number of built-in scripts. 38 static int GetBuiltinsCount(); 39 // Number of debugger implementation scripts. 40 static int GetDebuggerCount(); 41 42 // These are used to access built-in scripts. The debugger implementation 43 // scripts have an index in the interval [0, GetDebuggerCount()). The 44 // non-debugger scripts have an index in the interval [GetDebuggerCount(), 45 // GetNativesCount()). 46 static int GetIndex(const char* name); 47 static Vector<const char> GetScriptSource(int index); 48 static Vector<const char> GetScriptName(int index); 49 static Vector<const char> GetScriptsSource(); 50 51 // The following methods are implemented in natives-common.cc: 52 53 static FixedArray* GetSourceCache(Heap* heap); 54}; 55 56typedef NativesCollection<CORE> Natives; 57typedef NativesCollection<EXPERIMENTAL> ExperimentalNatives; 58typedef NativesCollection<EXTRAS> ExtraNatives; 59typedef NativesCollection<EXPERIMENTAL_EXTRAS> ExperimentalExtraNatives; 60 61 62#ifdef V8_USE_EXTERNAL_STARTUP_DATA 63// Used for reading the natives at runtime. Implementation in natives-empty.cc 64void SetNativesFromFile(StartupData* natives_blob); 65void ReadNatives(); 66void DisposeNatives(); 67#endif 68 69} // namespace internal 70} // namespace v8 71 72#endif // V8_SNAPSHOT_NATIVES_H_ 73