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deps/v8/src/builtins/builtins-shared-array.cc
41 строка
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Michaël Zasso
deps: update V8 to 13.6.233.8
02 май 2025, 16:06
Не верифицирован
02 май 2025, 16:06
918fe04
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// Copyright 2022 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "src/builtins/builtins-utils-inl.h" #include "src/objects/js-shared-array-inl.h" namespace v8 { namespace internal { BUILTIN(SharedArrayConstructor) { DCHECK(v8_flags.shared_string_table); HandleScope scope(isolate); Handle<Object> length_arg = args.atOrUndefined(isolate, 1); DirectHandle<Object> length_number; ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, length_number, Object::ToInteger(isolate, length_arg)); if (!IsSmi(*length_number)) { THROW_NEW_ERROR_RETURN_FAILURE( isolate, NewRangeError(MessageTemplate::kSharedArraySizeOutOfRange)); } int length = Cast<Smi>(*length_number).value(); if (length < 0 || length > FixedArray::kMaxCapacity) { THROW_NEW_ERROR_RETURN_FAILURE( isolate, NewRangeError(MessageTemplate::kSharedArraySizeOutOfRange)); } return *isolate->factory()->NewJSSharedArray(args.target(), length); } BUILTIN(SharedArrayIsSharedArray) { HandleScope scope(isolate); return isolate->heap()->ToBoolean( IsJSSharedArray(*args.atOrUndefined(isolate, 1))); } } // namespace internal } // namespace v8