7327a28ccc
As mentioned on Discord earlier, we'll add these to all new functions going forward - this is the backfill. Reasons: - It makes you look at the spec, implementing based on MDN or V8 behavior is a no-go - It makes finding the various functions that are non-compliant easier, in the future everything should either have such a comment or, if it's not from the spec at all, a comment explaining why that is the case - It makes it easier to check whether a certain abstract operation is implemented in LibJS, not all of them use the same name as the spec. E.g. RejectPromise() is Promise::reject() - It makes it easier to reason about vm.arguments(), e.g. when the function has a rest parameter - It makes it easier to see whether a certain function is from a proposal or Annex B Also: - Add arguments to all functions and abstract operations that already had a comment - Fix some outdated section numbers - Replace some ecma-international.org URLs with tc39.es
67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
/*
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* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/AggregateError.h>
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#include <LibJS/Runtime/AggregateErrorConstructor.h>
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#include <LibJS/Runtime/Array.h>
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#include <LibJS/Runtime/ErrorConstructor.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/IteratorOperations.h>
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namespace JS {
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AggregateErrorConstructor::AggregateErrorConstructor(GlobalObject& global_object)
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: NativeFunction(*static_cast<Object*>(global_object.error_constructor()))
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{
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}
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void AggregateErrorConstructor::initialize(GlobalObject& global_object)
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{
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auto& vm = this->vm();
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NativeFunction::initialize(global_object);
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// 20.5.7.2.1 AggregateError.prototype, https://tc39.es/ecma262/#sec-aggregate-error.prototype
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define_property(vm.names.prototype, global_object.aggregate_error_prototype(), 0);
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define_property(vm.names.length, Value(2), Attribute::Configurable);
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}
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// 20.5.7.1.1 AggregateError ( errors, message ), https://tc39.es/ecma262/#sec-aggregate-error
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Value AggregateErrorConstructor::call()
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{
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return construct(*this);
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}
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// 20.5.7.1.1 AggregateError ( errors, message ), https://tc39.es/ecma262/#sec-aggregate-error
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Value AggregateErrorConstructor::construct(Function&)
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{
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auto& vm = this->vm();
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// FIXME: Use OrdinaryCreateFromConstructor(newTarget, "%AggregateError.prototype%")
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auto* aggregate_error = AggregateError::create(global_object());
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u8 attr = Attribute::Writable | Attribute::Configurable;
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if (!vm.argument(1).is_undefined()) {
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auto message = vm.argument(1).to_string(global_object());
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if (vm.exception())
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return {};
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aggregate_error->define_property(vm.names.message, js_string(vm, message), attr);
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}
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aggregate_error->install_error_cause(vm.argument(2));
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if (vm.exception())
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return {};
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auto errors_list = iterable_to_list(global_object(), vm.argument(0));
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if (vm.exception())
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return {};
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aggregate_error->define_property(vm.names.errors, Array::create_from(global_object(), errors_list), attr);
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return aggregate_error;
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}
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}
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