src/builtins/typed-array-keys.tq

// Copyright 2019 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-typed-array-gen.h'

namespace typed_array {
const kBuiltinNameKeys: constexpr string = '%TypedArray%.prototype.keys';

// %TypedArray%.keys ()
// https://tc39.github.io/ecma262/#sec-%typedarray%.keys
transitioning javascript builtin
TypedArrayPrototypeKeys(js-implicit context: NativeContext, receiver: JSAny)(
    ...arguments): JSArrayIterator {
  try {
    const array: JSTypedArray = Cast<JSTypedArray>(receiver)
        otherwise NotTypedArray;

    EnsureAttached(array) otherwise IsDetached;
    return CreateArrayIterator(array, IterationKind::kKeys);
  } label NotTypedArray deferred {
    ThrowTypeError(MessageTemplate::kNotTypedArray, kBuiltinNameKeys);
  } label IsDetached deferred {
    ThrowTypeError(MessageTemplate::kDetachedOperation, kBuiltinNameKeys);
  }
}
}