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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. |
| 4 |
| 5 #include "bin/builtin.h" |
| 6 #include "bin/isolate_data.h" |
| 7 #include "include/dart_api.h" |
| 8 |
| 9 void FUNCTION_NAME(Common_IsBuiltinList)(Dart_NativeArguments args) { |
| 10 Dart_EnterScope(); |
| 11 Dart_Handle list = Dart_GetNativeArgument(args, 0); |
| 12 Dart_Handle list_class = Dart_InstanceGetClass(list); |
| 13 ASSERT(!Dart_IsError(list_class)); |
| 14 |
| 15 // Fetch the cached builtin array types for this isolate. |
| 16 IsolateData* isolate_data = |
| 17 reinterpret_cast<IsolateData*>(Dart_CurrentIsolateData()); |
| 18 Dart_Handle object_array_class = isolate_data->object_array_class; |
| 19 Dart_Handle growable_object_array_class = |
| 20 isolate_data->growable_object_array_class; |
| 21 Dart_Handle immutable_array_class = isolate_data->immutable_array_class; |
| 22 |
| 23 // If we have not cached the class pointers in the isolate data, |
| 24 // look them up and cache them now. |
| 25 if (object_array_class == NULL) { |
| 26 Dart_Handle coreimpl_lib = |
| 27 Dart_LookupLibrary(Dart_NewString("dart:coreimpl")); |
| 28 ASSERT(!Dart_IsError(coreimpl_lib)); |
| 29 object_array_class = |
| 30 Dart_GetClass(coreimpl_lib, Dart_NewString("_ObjectArray")); |
| 31 ASSERT(!Dart_IsError(object_array_class)); |
| 32 immutable_array_class = |
| 33 Dart_GetClass(coreimpl_lib, Dart_NewString("_ImmutableArray")); |
| 34 ASSERT(!Dart_IsError(immutable_array_class)); |
| 35 growable_object_array_class = |
| 36 Dart_GetClass(coreimpl_lib, Dart_NewString("_GrowableObjectArray")); |
| 37 ASSERT(!Dart_IsError(growable_object_array_class)); |
| 38 // Update the cache. |
| 39 isolate_data->object_array_class = |
| 40 Dart_NewPersistentHandle(object_array_class); |
| 41 ASSERT(!Dart_IsError(isolate_data->object_array_class)); |
| 42 isolate_data->growable_object_array_class = |
| 43 Dart_NewPersistentHandle(growable_object_array_class); |
| 44 ASSERT(!Dart_IsError(isolate_data->growable_object_array_class)); |
| 45 isolate_data->immutable_array_class = |
| 46 Dart_NewPersistentHandle(immutable_array_class); |
| 47 ASSERT(!Dart_IsError(isolate_data->immutable_array_class)); |
| 48 } |
| 49 |
| 50 bool builtin_array = |
| 51 (Dart_IdentityEquals(list_class, growable_object_array_class) || |
| 52 Dart_IdentityEquals(list_class, object_array_class) || |
| 53 Dart_IdentityEquals(list_class, immutable_array_class)); |
| 54 Dart_SetReturnValue(args, Dart_NewBoolean(builtin_array)); |
| 55 Dart_ExitScope(); |
| 56 } |
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