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 // 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. 27 template <NativeType type> 28 #ifdef USING_V8_SHARED 29 class NativesCollection { 30 #else 31 class 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 56 typedef NativesCollection<CORE> Natives; 57 typedef NativesCollection<EXPERIMENTAL> ExperimentalNatives; 58 typedef NativesCollection<EXTRAS> ExtraNatives; 59 typedef 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 64 void SetNativesFromFile(StartupData* natives_blob); 65 void ReadNatives(); 66 void DisposeNatives(); 67 #endif 68 69 } // namespace internal 70 } // namespace v8 71 72 #endif // V8_SNAPSHOT_NATIVES_H_ 73