smok@google.com
ebbc2020a2
Review URL: https://codereview.chromium.org//14341015 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@22032 260f80e4-7a28-3924-810f-c04153c831b5
63 lines
2.5 KiB
C++
63 lines
2.5 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "bin/builtin.h"
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#include "bin/isolate_data.h"
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#include "include/dart_api.h"
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namespace dart {
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namespace bin {
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void FUNCTION_NAME(Common_IsBuiltinList)(Dart_NativeArguments args) {
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Dart_EnterScope();
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Dart_Handle list = Dart_GetNativeArgument(args, 0);
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Dart_Handle list_class = Dart_InstanceGetClass(list);
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ASSERT(!Dart_IsError(list_class));
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// Fetch the cached builtin array types for this isolate.
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IsolateData* isolate_data =
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reinterpret_cast<IsolateData*>(Dart_CurrentIsolateData());
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Dart_Handle object_array_class = isolate_data->object_array_class;
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Dart_Handle growable_object_array_class =
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isolate_data->growable_object_array_class;
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Dart_Handle immutable_array_class = isolate_data->immutable_array_class;
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// If we have not cached the class pointers in the isolate data,
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// look them up and cache them now.
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if (object_array_class == NULL) {
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Dart_Handle core_lib =
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Dart_LookupLibrary(Dart_NewStringFromCString("dart:core"));
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ASSERT(!Dart_IsError(core_lib));
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object_array_class =
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Dart_GetClass(core_lib, Dart_NewStringFromCString("_ObjectArray"));
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ASSERT(!Dart_IsError(object_array_class));
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immutable_array_class =
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Dart_GetClass(core_lib, Dart_NewStringFromCString("_ImmutableArray"));
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ASSERT(!Dart_IsError(immutable_array_class));
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growable_object_array_class = Dart_GetClass(
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core_lib, Dart_NewStringFromCString("_GrowableObjectArray"));
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ASSERT(!Dart_IsError(growable_object_array_class));
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// Update the cache.
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isolate_data->object_array_class =
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Dart_NewPersistentHandle(object_array_class);
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ASSERT(!Dart_IsError(isolate_data->object_array_class));
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isolate_data->growable_object_array_class =
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Dart_NewPersistentHandle(growable_object_array_class);
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ASSERT(!Dart_IsError(isolate_data->growable_object_array_class));
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isolate_data->immutable_array_class =
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Dart_NewPersistentHandle(immutable_array_class);
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ASSERT(!Dart_IsError(isolate_data->immutable_array_class));
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}
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bool builtin_array =
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(Dart_IdentityEquals(list_class, growable_object_array_class) ||
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Dart_IdentityEquals(list_class, object_array_class) ||
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Dart_IdentityEquals(list_class, immutable_array_class));
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Dart_SetReturnValue(args, Dart_NewBoolean(builtin_array));
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Dart_ExitScope();
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}
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} // namespace bin
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} // namespace dart
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