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 11 namespace v8 { class StartupData; } // Forward declaration. 12 13 namespace v8 { 14 namespace internal { 15 16 enum NativeType { 17 CORE, 18 EXPERIMENTAL, 19 EXTRAS, 20 EXPERIMENTAL_EXTRAS, 21 D8, 22 TEST 23 }; 24 25 template <NativeType type> 26 class NativesCollection { 27 public: 28 // The following methods are implemented in js2c-generated code: 29 30 // Number of built-in scripts. 31 static int GetBuiltinsCount(); 32 // Number of debugger implementation scripts. 33 static int GetDebuggerCount(); 34 35 // These are used to access built-in scripts. The debugger implementation 36 // scripts have an index in the interval [0, GetDebuggerCount()). The 37 // non-debugger scripts have an index in the interval [GetDebuggerCount(), 38 // GetNativesCount()). 39 static int GetIndex(const char* name); 40 static Vector<const char> GetScriptSource(int index); 41 static Vector<const char> GetScriptName(int index); 42 static Vector<const char> GetScriptsSource(); 43 44 // The following methods are implemented in natives-common.cc: 45 46 static FixedArray* GetSourceCache(Heap* heap); 47 static void UpdateSourceCache(Heap* heap); 48 }; 49 50 typedef NativesCollection<CORE> Natives; 51 typedef NativesCollection<EXPERIMENTAL> ExperimentalNatives; 52 typedef NativesCollection<EXTRAS> ExtraNatives; 53 typedef NativesCollection<EXPERIMENTAL_EXTRAS> ExperimentalExtraNatives; 54 55 56 #ifdef V8_USE_EXTERNAL_STARTUP_DATA 57 // Used for reading the natives at runtime. Implementation in natives-empty.cc 58 void SetNativesFromFile(StartupData* natives_blob); 59 void ReadNatives(); 60 void DisposeNatives(); 61 #endif 62 63 } // namespace internal 64 } // namespace v8 65 66 #endif // V8_SNAPSHOT_NATIVES_H_ 67