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51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
/*
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* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
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* Copyright (c) 2021-2023, Linus Groh <linusg@serenityos.org>
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* Copyright (c) 2024, Tim Flynn <trflynn89@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Variant.h>
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#include <LibJS/Forward.h>
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#include <LibJS/Runtime/Completion.h>
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#include <LibJS/Runtime/VM.h>
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#include <LibJS/Runtime/ValueInlines.h>
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namespace JS::Temporal {
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// 13.39 ToIntegerIfIntegral ( argument ), https://tc39.es/proposal-temporal/#sec-tointegerifintegral
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template<typename... Args>
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ThrowCompletionOr<double> to_integer_if_integral(VM& vm, Value argument, ErrorType error_type, Args&&... args)
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{
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// 1. Let number be ? ToNumber(argument).
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auto number = TRY(argument.to_number(vm));
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// 2. If number is not an integral Number, throw a RangeError exception.
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if (!number.is_integral_number())
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return vm.throw_completion<RangeError>(error_type, forward<Args>(args)...);
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// 3. Return ℝ(number).
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return number.as_double();
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}
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enum class OptionType {
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Boolean,
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String,
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};
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struct DefaultRequired { };
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using OptionDefault = Variant<DefaultRequired, Empty, bool, StringView, double>;
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ThrowCompletionOr<Object*> get_options_object(VM&, Value options);
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ThrowCompletionOr<Value> get_option(VM&, Object const& options, PropertyKey const& property, OptionType type, ReadonlySpan<StringView> values, OptionDefault const&);
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template<size_t Size>
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ThrowCompletionOr<Value> get_option(VM& vm, Object const& options, PropertyKey const& property, OptionType type, StringView const (&values)[Size], OptionDefault const& default_)
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{
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return get_option(vm, options, property, type, ReadonlySpan<StringView> { values }, default_);
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}
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}
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