blob: d696d9c8dd84473674fc6e098a5f2e589e81a08b [file] [log] [blame]
// 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 kBuiltinNameForEach: constexpr string = '%TypedArray%.prototype.forEach';
transitioning macro ForEachAllElements(implicit context: Context)(
array: typed_array::AttachedJSTypedArray, callbackfn: Callable,
thisArg: JSAny): Undefined {
let witness = typed_array::NewAttachedJSTypedArrayWitness(array);
const length: uintptr = witness.Get().length;
for (let k: uintptr = 0; k < length; k++) {
// BUG(4895): We should throw on detached buffers rather than simply exit.
witness.Recheck() otherwise break;
const value: JSAny = witness.Load(k);
// TODO(v8:4153): Consider versioning this loop for Smi and non-Smi
// indices to optimize Convert<Number>(k) for the most common case.
context, callbackfn, thisArg, value, Convert<Number>(k),
return Undefined;
transitioning javascript builtin
TypedArrayPrototypeForEach(js-implicit context: NativeContext, receiver: JSAny)(
...arguments): Undefined {
// arguments[0] = callback
// arguments[1] = this_arg.
try {
const array: JSTypedArray = Cast<JSTypedArray>(receiver)
otherwise NotTypedArray;
const uarray = typed_array::EnsureAttached(array) otherwise IsDetached;
const callbackfn = Cast<Callable>(arguments[0]) otherwise NotCallable;
const thisArg = arguments[1];
return ForEachAllElements(uarray, callbackfn, thisArg);
} label NotCallable deferred {
ThrowTypeError(MessageTemplate::kCalledNonCallable, arguments[0]);
} label NotTypedArray deferred {
ThrowTypeError(MessageTemplate::kNotTypedArray, kBuiltinNameForEach);
} label IsDetached deferred {
ThrowTypeError(MessageTemplate::kDetachedOperation, kBuiltinNameForEach);