// 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_some { const kBuiltinName: constexpr string = '%TypedArray%.prototype.some'; transitioning macro SomeAllElements(implicit context: Context)( array: typed_array::AttachedJSTypedArray, callbackfn: Callable, thisArg: Object): Boolean { let witness = typed_array::NewAttachedJSTypedArrayWitness(array); const length: Smi = Convert<Smi>(witness.Get().length); for (let k: Smi = 0; k < length; k++) { // BUG(4895): We should throw on detached buffers rather than simply exit. witness.Recheck() otherwise break; const value: Object = witness.Load(k); const result = Call(context, callbackfn, thisArg, value, k, witness.GetStable()); if (ToBoolean(result)) { return True; } } return False; } // https://tc39.github.io/ecma262/#sec-%typedarray%.prototype.some transitioning javascript builtin TypedArrayPrototypeSome(implicit context: Context)(receiver: Object, ...arguments): Object { // arguments[0] = callback // arguments[1] = thisArg. 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 SomeAllElements(uarray, callbackfn, thisArg); } label NotCallable deferred { ThrowTypeError(kCalledNonCallable, arguments[0]); } label NotTypedArray deferred { ThrowTypeError(kNotTypedArray, kBuiltinName); } label IsDetached deferred { ThrowTypeError(kDetachedOperation, kBuiltinName); } } }