xref: /external/v8/src/snapshot/natives.h

// Copyright 2011 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_SNAPSHOT_NATIVES_H_
#define V8_SNAPSHOT_NATIVES_H_

#include "src/objects.h"
#include "src/vector.h"

namespace v8 { class StartupData; }  // Forward declaration.

namespace v8 {
namespace internal {

enum NativeType {
  CORE,
  EXPERIMENTAL,
  EXTRAS,
  EXPERIMENTAL_EXTRAS,
  D8,
  TEST
};

// Extra handling for V8_EXPORT_PRIVATE in combination with USING_V8_SHARED
// since definition of methods of classes marked as dllimport is not allowed.
template <NativeType type>
#ifdef USING_V8_SHARED
class NativesCollection {
#else
class V8_EXPORT_PRIVATE NativesCollection {
#endif  // USING_V8_SHARED

 public:
  // The following methods are implemented in js2c-generated code:

  // Number of built-in scripts.
  static int GetBuiltinsCount();
  // Number of debugger implementation scripts.
  static int GetDebuggerCount();

  // These are used to access built-in scripts.  The debugger implementation
  // scripts have an index in the interval [0, GetDebuggerCount()).  The
  // non-debugger scripts have an index in the interval [GetDebuggerCount(),
  // GetNativesCount()).
  static int GetIndex(const char* name);
  static Vector<const char> GetScriptSource(int index);
  static Vector<const char> GetScriptName(int index);
  static Vector<const char> GetScriptsSource();

  // The following methods are implemented in natives-common.cc:

  static FixedArray* GetSourceCache(Heap* heap);
};

typedef NativesCollection<CORE> Natives;
typedef NativesCollection<EXPERIMENTAL> ExperimentalNatives;
typedef NativesCollection<EXTRAS> ExtraNatives;
typedef NativesCollection<EXPERIMENTAL_EXTRAS> ExperimentalExtraNatives;


#ifdef V8_USE_EXTERNAL_STARTUP_DATA
// Used for reading the natives at runtime. Implementation in natives-empty.cc
void SetNativesFromFile(StartupData* natives_blob);
void ReadNatives();
void DisposeNatives();
#endif

}  // namespace internal
}  // namespace v8

#endif  // V8_SNAPSHOT_NATIVES_H_