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-// Copyright 2020 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/objects/js-aggregate-error.h'
-
-@generateCppClass
-extern class JSAggregateError extends JSObject {
- // Only Undefined during AggregateError object creation. In order to make the
- // field type FixedArray, we'd need to initialize it in ErrorUtils::Construct
- // (after it, it's too late) which we don't want.
- errors: FixedArray|Undefined;
-}
-
-namespace error {
-
-transitioning javascript builtin AggregateErrorConstructor(
- js-implicit context: NativeContext, target: JSFunction,
- newTarget: JSAny)(...arguments): JSAny {
- // This function is implementing the spec as suggested by
- // https://github.com/tc39/proposal-promise-any/pull/59 . FIXME(marja):
- // change this if the PR is declined.
-
- // 1. If NewTarget is undefined, let newTarget be the active function
- // object, else let newTarget be NewTarget.
- // 2. Let O be ? OrdinaryCreateFromConstructor(newTarget,
- // "%AggregateError.prototype%", « [[ErrorData]], [[AggregateErrors]] »).
- // 3. If _message_ is not _undefined_, then
- // a. Let msg be ? ToString(_message_).
- // b. Let msgDesc be the PropertyDescriptor { [[Value]]: _msg_,
- // [[Writable]]: *true*, [[Enumerable]]: *false*, [[Configurable]]: *true*
- // c. Perform ! DefinePropertyOrThrow(_O_, *"message"*, _msgDesc_).
- const message: JSAny = arguments[1];
- const obj: JSAggregateError =
- ConstructAggregateErrorHelper(context, target, newTarget, message);
-
- // 4. Let errorsList be ? IterableToList(errors).
- const errors: JSAny = arguments[0];
- const errorsArray =
- iterator::IterableToFixedArrayWithSymbolLookupSlow(errors);
- // errorsArray must be marked copy-on-write, since the "errors" getter
- // creates a thin JSArray wrapper around it.
- MakeFixedArrayCOW(errorsArray);
-
- // 5. Set O.[[AggregateErrors]] to errorsList.
- obj.errors = errorsArray;
-
- // 6. Return O.
- return obj;
-}
-
-transitioning javascript builtin AggregateErrorPrototypeErrorsGetter(
- js-implicit context: NativeContext, receiver: JSAny)(): JSAny {
- // 1. Let E be the this value.
- // 2. If Type(E) is not Object, throw a TypeError exception.
- // 3. If E does not have an [[ErrorData]] internal slot, throw a TypeError
- // exception.
- // 4. If E does not have an [[AggregateErrors]] internal slot, throw a
- // TypeError exception.
- // 5. Return ! CreateArrayFromList(E.[[AggregateErrors]]).
- typeswitch (receiver) {
- case (receiver: JSAggregateError): {
- return array::CreateJSArrayWithElements(
- UnsafeCast<FixedArray>(receiver.errors));
- }
- case (Object): {
- ThrowTypeError(
- MessageTemplate::kNotGeneric, 'JSAggregateError.prototype.errors.get',
- 'AggregateError');
- }
- }
-}
-
-extern runtime ConstructAggregateErrorHelper(
- Context, JSFunction, JSAny, Object): JSAggregateError;
-
-extern runtime ConstructInternalAggregateErrorHelper(
- Context, Object): JSAggregateError;
-
-extern macro MakeFixedArrayCOW(FixedArray);
-}