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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef V8_SNAPSHOT_NATIVES_H_ | 5 #ifndef V8_SNAPSHOT_NATIVES_H_ |
| 6 #define V8_SNAPSHOT_NATIVES_H_ | 6 #define V8_SNAPSHOT_NATIVES_H_ |
| 7 | 7 |
| 8 #include "src/heap/heap.h" | |
| 9 #include "src/heap/heap-inl.h" | |
| 10 #include "src/objects.h" | 8 #include "src/objects.h" |
| 11 #include "src/objects-inl.h" | |
| 12 #include "src/vector.h" | 9 #include "src/vector.h" |
| 13 | 10 |
| 14 namespace v8 { class StartupData; } // Forward declaration. | 11 namespace v8 { class StartupData; } // Forward declaration. |
| 15 | 12 |
| 16 namespace v8 { | 13 namespace v8 { |
| 17 namespace internal { | 14 namespace internal { |
| 18 | 15 |
| 19 enum NativeType { CORE, CODE_STUB, EXPERIMENTAL, EXTRAS, D8, TEST }; | 16 enum NativeType { CORE, CODE_STUB, EXPERIMENTAL, EXTRAS, D8, TEST }; |
| 20 | 17 |
| 21 template <NativeType type> | 18 template <NativeType type> |
| 22 class NativesCollection { | 19 class NativesCollection { |
| 23 public: | 20 public: |
| 24 // The following methods are implemented in js2c-generated code: | 21 // The following methods are implemented in js2c-generated code: |
| 25 | 22 |
| 26 // Number of built-in scripts. | 23 // Number of built-in scripts. |
| 27 static int GetBuiltinsCount(); | 24 static int GetBuiltinsCount(); |
| 28 // Number of debugger implementation scripts. | 25 // Number of debugger implementation scripts. |
| 29 static int GetDebuggerCount(); | 26 static int GetDebuggerCount(); |
| 30 | 27 |
| 31 // These are used to access built-in scripts. The debugger implementation | 28 // These are used to access built-in scripts. The debugger implementation |
| 32 // scripts have an index in the interval [0, GetDebuggerCount()). The | 29 // scripts have an index in the interval [0, GetDebuggerCount()). The |
| 33 // non-debugger scripts have an index in the interval [GetDebuggerCount(), | 30 // non-debugger scripts have an index in the interval [GetDebuggerCount(), |
| 34 // GetNativesCount()). | 31 // GetNativesCount()). |
| 35 static int GetIndex(const char* name); | 32 static int GetIndex(const char* name); |
| 36 static Vector<const char> GetScriptSource(int index); | 33 static Vector<const char> GetScriptSource(int index); |
| 37 static Vector<const char> GetScriptName(int index); | 34 static Vector<const char> GetScriptName(int index); |
| 38 static Vector<const char> GetScriptsSource(); | 35 static Vector<const char> GetScriptsSource(); |
| 39 | 36 |
| 40 // The following methods are implemented below: | 37 // The following methods are implemented in natives-common.cc: |
| 41 | 38 |
| 42 inline static FixedArray* GetSourceCache(Heap* heap); | 39 static FixedArray* GetSourceCache(Heap* heap); |
| 43 static void UpdateSourceCache(Heap* heap); | 40 static void UpdateSourceCache(Heap* heap); |
| 44 }; | 41 }; |
| 45 | 42 |
| 46 typedef NativesCollection<CORE> Natives; | 43 typedef NativesCollection<CORE> Natives; |
| 47 typedef NativesCollection<CODE_STUB> CodeStubNatives; | 44 typedef NativesCollection<CODE_STUB> CodeStubNatives; |
| 48 typedef NativesCollection<EXPERIMENTAL> ExperimentalNatives; | 45 typedef NativesCollection<EXPERIMENTAL> ExperimentalNatives; |
| 49 typedef NativesCollection<EXTRAS> ExtraNatives; | 46 typedef NativesCollection<EXTRAS> ExtraNatives; |
| 50 | 47 |
| 51 | 48 |
| 52 template <> | |
| 53 inline FixedArray* Natives::GetSourceCache(Heap* heap) { | |
| 54 return heap->natives_source_cache(); | |
| 55 } | |
| 56 | |
| 57 | |
| 58 template <> | |
| 59 inline FixedArray* ExperimentalNatives::GetSourceCache(Heap* heap) { | |
| 60 return heap->experimental_natives_source_cache(); | |
| 61 } | |
| 62 | |
| 63 | |
| 64 template <> | |
| 65 inline FixedArray* ExtraNatives::GetSourceCache(Heap* heap) { | |
| 66 return heap->extra_natives_source_cache(); | |
| 67 } | |
| 68 | |
| 69 | |
| 70 template <> | |
| 71 inline FixedArray* CodeStubNatives::GetSourceCache(Heap* heap) { | |
| 72 return heap->code_stub_natives_source_cache(); | |
| 73 } | |
| 74 | |
| 75 template <NativeType type> | |
| 76 void NativesCollection<type>::UpdateSourceCache(Heap* heap) { | |
| 77 for (int i = 0; i < GetBuiltinsCount(); i++) { | |
| 78 Object* source = GetSourceCache(heap)->get(i); | |
| 79 if (!source->IsUndefined()) { | |
| 80 ExternalOneByteString::cast(source)->update_data_cache(); | |
| 81 } | |
| 82 } | |
| 83 } | |
| 84 | |
| 85 | |
| 86 #ifdef V8_USE_EXTERNAL_STARTUP_DATA | 49 #ifdef V8_USE_EXTERNAL_STARTUP_DATA |
| 87 // Used for reading the natives at runtime. Implementation in natives-empty.cc | 50 // Used for reading the natives at runtime. Implementation in natives-empty.cc |
| 88 void SetNativesFromFile(StartupData* natives_blob); | 51 void SetNativesFromFile(StartupData* natives_blob); |
| 89 void ReadNatives(); | 52 void ReadNatives(); |
| 90 void DisposeNatives(); | 53 void DisposeNatives(); |
| 91 #endif | 54 #endif |
| 92 | 55 |
| 93 } } // namespace v8::internal | 56 } } // namespace v8::internal |
| 94 | 57 |
| 95 #endif // V8_SNAPSHOT_NATIVES_H_ | 58 #endif // V8_SNAPSHOT_NATIVES_H_ |
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