3c74dc9f4d
This patch adds two macros to declare per-type allocators: - JS_DECLARE_ALLOCATOR(TypeName) - JS_DEFINE_ALLOCATOR(TypeName) When used, they add a type-specific CellAllocator that the Heap will delegate allocation requests to. The result of this is that GC objects of the same type always end up within the same HeapBlock, drastically reducing the ability to perform type confusion attacks. It also improves HeapBlock utilization, since each block now has cells sized exactly to the type used within that block. (Previously we only had a handful of block sizes available, and most GC allocations ended up with a large amount of slack in their tails.) There is a small performance hit from this, but I'm sure we can make up for it elsewhere. Note that the old size-based allocators still exist, and we fall back to them for any type that doesn't have its own CellAllocator.
231 lines
14 KiB
C++
231 lines
14 KiB
C++
/*
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* Copyright (c) 2022, Idan Horowitz <idan.horowitz@serenityos.org>
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* Copyright (c) 2022, Tim Flynn <trflynn89@serenityos.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/Array.h>
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#include <AK/String.h>
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#include <LibJS/Runtime/Intl/AbstractOperations.h>
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#include <LibJS/Runtime/Object.h>
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#include <LibJS/Runtime/Temporal/Duration.h>
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namespace JS::Intl {
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class DurationFormat final : public Object {
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JS_OBJECT(DurationFormat, Object);
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JS_DECLARE_ALLOCATOR(DurationFormat);
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public:
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enum class Style {
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Long,
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Short,
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Narrow,
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Digital
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};
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enum class ValueStyle {
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Long,
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Short,
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Narrow,
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Numeric,
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TwoDigit
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};
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static_assert(to_underlying(ValueStyle::Long) == to_underlying(::Locale::Style::Long));
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static_assert(to_underlying(ValueStyle::Short) == to_underlying(::Locale::Style::Short));
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static_assert(to_underlying(ValueStyle::Narrow) == to_underlying(::Locale::Style::Narrow));
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enum class Display {
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Auto,
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Always
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};
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static constexpr auto relevant_extension_keys()
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{
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// 1.3.3 Internal slots, https://tc39.es/proposal-intl-duration-format/#sec-Intl.DurationFormat-internal-slots
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// The value of the [[RelevantExtensionKeys]] internal slot is « "nu" ».
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return AK::Array { "nu"sv };
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}
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virtual ~DurationFormat() override = default;
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void set_locale(String locale) { m_locale = move(locale); }
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String const& locale() const { return m_locale; }
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void set_data_locale(String data_locale) { m_data_locale = move(data_locale); }
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String const& data_locale() const { return m_data_locale; }
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void set_numbering_system(String numbering_system) { m_numbering_system = move(numbering_system); }
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String const& numbering_system() const { return m_numbering_system; }
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void set_style(StringView style) { m_style = style_from_string(style); }
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Style style() const { return m_style; }
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StringView style_string() const { return style_to_string(m_style); }
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void set_years_style(StringView years_style) { m_years_style = date_style_from_string(years_style); }
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ValueStyle years_style() const { return m_years_style; }
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StringView years_style_string() const { return value_style_to_string(m_years_style); }
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void set_years_display(StringView years_display) { m_years_display = display_from_string(years_display); }
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Display years_display() const { return m_years_display; }
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StringView years_display_string() const { return display_to_string(m_years_display); }
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void set_months_style(StringView months_style) { m_months_style = date_style_from_string(months_style); }
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ValueStyle months_style() const { return m_months_style; }
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StringView months_style_string() const { return value_style_to_string(m_months_style); }
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void set_months_display(StringView months_display) { m_months_display = display_from_string(months_display); }
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Display months_display() const { return m_months_display; }
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StringView months_display_string() const { return display_to_string(m_months_display); }
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void set_weeks_style(StringView weeks_style) { m_weeks_style = date_style_from_string(weeks_style); }
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ValueStyle weeks_style() const { return m_weeks_style; }
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StringView weeks_style_string() const { return value_style_to_string(m_weeks_style); }
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void set_weeks_display(StringView weeks_display) { m_weeks_display = display_from_string(weeks_display); }
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Display weeks_display() const { return m_weeks_display; }
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StringView weeks_display_string() const { return display_to_string(m_weeks_display); }
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void set_days_style(StringView days_style) { m_days_style = date_style_from_string(days_style); }
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ValueStyle days_style() const { return m_days_style; }
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StringView days_style_string() const { return value_style_to_string(m_days_style); }
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void set_days_display(StringView days_display) { m_days_display = display_from_string(days_display); }
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Display days_display() const { return m_days_display; }
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StringView days_display_string() const { return display_to_string(m_days_display); }
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void set_hours_style(StringView hours_style) { m_hours_style = time_style_from_string(hours_style); }
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ValueStyle hours_style() const { return m_hours_style; }
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StringView hours_style_string() const { return value_style_to_string(m_hours_style); }
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void set_hours_display(StringView hours_display) { m_hours_display = display_from_string(hours_display); }
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Display hours_display() const { return m_hours_display; }
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StringView hours_display_string() const { return display_to_string(m_hours_display); }
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void set_minutes_style(StringView minutes_style) { m_minutes_style = time_style_from_string(minutes_style); }
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ValueStyle minutes_style() const { return m_minutes_style; }
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StringView minutes_style_string() const { return value_style_to_string(m_minutes_style); }
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void set_minutes_display(StringView minutes_display) { m_minutes_display = display_from_string(minutes_display); }
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Display minutes_display() const { return m_minutes_display; }
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StringView minutes_display_string() const { return display_to_string(m_minutes_display); }
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void set_seconds_style(StringView seconds_style) { m_seconds_style = time_style_from_string(seconds_style); }
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ValueStyle seconds_style() const { return m_seconds_style; }
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StringView seconds_style_string() const { return value_style_to_string(m_seconds_style); }
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void set_seconds_display(StringView seconds_display) { m_seconds_display = display_from_string(seconds_display); }
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Display seconds_display() const { return m_seconds_display; }
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StringView seconds_display_string() const { return display_to_string(m_seconds_display); }
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void set_milliseconds_style(StringView milliseconds_style) { m_milliseconds_style = sub_second_style_from_string(milliseconds_style); }
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ValueStyle milliseconds_style() const { return m_milliseconds_style; }
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StringView milliseconds_style_string() const { return value_style_to_string(m_milliseconds_style); }
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void set_milliseconds_display(StringView milliseconds_display) { m_milliseconds_display = display_from_string(milliseconds_display); }
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Display milliseconds_display() const { return m_milliseconds_display; }
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StringView milliseconds_display_string() const { return display_to_string(m_milliseconds_display); }
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void set_microseconds_style(StringView microseconds_style) { m_microseconds_style = sub_second_style_from_string(microseconds_style); }
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ValueStyle microseconds_style() const { return m_microseconds_style; }
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StringView microseconds_style_string() const { return value_style_to_string(m_microseconds_style); }
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void set_microseconds_display(StringView microseconds_display) { m_microseconds_display = display_from_string(microseconds_display); }
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Display microseconds_display() const { return m_microseconds_display; }
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StringView microseconds_display_string() const { return display_to_string(m_microseconds_display); }
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void set_nanoseconds_style(StringView nanoseconds_style) { m_nanoseconds_style = sub_second_style_from_string(nanoseconds_style); }
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ValueStyle nanoseconds_style() const { return m_nanoseconds_style; }
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StringView nanoseconds_style_string() const { return value_style_to_string(m_nanoseconds_style); }
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void set_nanoseconds_display(StringView nanoseconds_display) { m_nanoseconds_display = display_from_string(nanoseconds_display); }
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Display nanoseconds_display() const { return m_nanoseconds_display; }
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StringView nanoseconds_display_string() const { return display_to_string(m_nanoseconds_display); }
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void set_fractional_digits(Optional<u8> fractional_digits) { m_fractional_digits = move(fractional_digits); }
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bool has_fractional_digits() const { return m_fractional_digits.has_value(); }
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u8 fractional_digits() const { return m_fractional_digits.value(); }
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private:
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explicit DurationFormat(Object& prototype);
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static Style style_from_string(StringView style);
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static StringView style_to_string(Style);
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static ValueStyle date_style_from_string(StringView date_style);
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static ValueStyle time_style_from_string(StringView time_style);
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static ValueStyle sub_second_style_from_string(StringView sub_second_style);
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static StringView value_style_to_string(ValueStyle);
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static Display display_from_string(StringView display);
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static StringView display_to_string(Display);
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String m_locale; // [[Locale]]
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String m_data_locale; // [[DataLocale]]
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String m_numbering_system; // [[NumberingSystem]]
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Style m_style { Style::Long }; // [[Style]]
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ValueStyle m_years_style { ValueStyle::Long }; // [[YearsStyle]]
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Display m_years_display { Display::Auto }; // [[YearsDisplay]]
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ValueStyle m_months_style { ValueStyle::Long }; // [[MonthsStyle]]
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Display m_months_display { Display::Auto }; // [[MonthsDisplay]]
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ValueStyle m_weeks_style { ValueStyle::Long }; // [[WeeksStyle]]
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Display m_weeks_display { Display::Auto }; // [[WeeksDisplay]]
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ValueStyle m_days_style { ValueStyle::Long }; // [[DaysStyle]]
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Display m_days_display { Display::Auto }; // [[DaysDisplay]]
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ValueStyle m_hours_style { ValueStyle::Long }; // [[HoursStyle]]
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Display m_hours_display { Display::Auto }; // [[HoursDisplay]]
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ValueStyle m_minutes_style { ValueStyle::Long }; // [[MinutesStyle]]
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Display m_minutes_display { Display::Auto }; // [[MinutesDisplay]]
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ValueStyle m_seconds_style { ValueStyle::Long }; // [[SecondsStyle]]
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Display m_seconds_display { Display::Auto }; // [[SecondsDisplay]]
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ValueStyle m_milliseconds_style { ValueStyle::Long }; // [[MillisecondsStyle]]
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Display m_milliseconds_display { Display::Auto }; // [[MillisecondsDisplay]]
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ValueStyle m_microseconds_style { ValueStyle::Long }; // [[MicrosecondsStyle]]
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Display m_microseconds_display { Display::Auto }; // [[MicrosecondsDisplay]]
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ValueStyle m_nanoseconds_style { ValueStyle::Long }; // [[NanosecondsStyle]]
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Display m_nanoseconds_display { Display::Auto }; // [[NanosecondsDisplay]]
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Optional<u8> m_fractional_digits; // [[FractionalDigits]]
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};
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struct DurationInstanceComponent {
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double Temporal::DurationRecord::*value_slot;
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DurationFormat::ValueStyle (DurationFormat::*get_style_slot)() const;
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void (DurationFormat::*set_style_slot)(StringView);
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DurationFormat::Display (DurationFormat::*get_display_slot)() const;
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void (DurationFormat::*set_display_slot)(StringView);
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StringView unit;
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StringView number_format_unit;
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ReadonlySpan<StringView> values;
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StringView digital_default;
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};
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// Table 1: Components of Duration Instances, https://tc39.es/proposal-intl-duration-format/#table-duration-component
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static constexpr AK::Array<StringView, 3> date_values = { "long"sv, "short"sv, "narrow"sv };
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static constexpr AK::Array<StringView, 5> time_values = { "long"sv, "short"sv, "narrow"sv, "numeric"sv, "2-digit"sv };
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static constexpr AK::Array<StringView, 4> sub_second_values = { "long"sv, "short"sv, "narrow"sv, "numeric"sv };
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static constexpr AK::Array<DurationInstanceComponent, 10> duration_instances_components {
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DurationInstanceComponent { &Temporal::DurationRecord::years, &DurationFormat::years_style, &DurationFormat::set_years_style, &DurationFormat::years_display, &DurationFormat::set_years_display, "years"sv, "year"sv, date_values, "short"sv },
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DurationInstanceComponent { &Temporal::DurationRecord::months, &DurationFormat::months_style, &DurationFormat::set_months_style, &DurationFormat::months_display, &DurationFormat::set_months_display, "months"sv, "month"sv, date_values, "short"sv },
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DurationInstanceComponent { &Temporal::DurationRecord::weeks, &DurationFormat::weeks_style, &DurationFormat::set_weeks_style, &DurationFormat::weeks_display, &DurationFormat::set_weeks_display, "weeks"sv, "week"sv, date_values, "short"sv },
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DurationInstanceComponent { &Temporal::DurationRecord::days, &DurationFormat::days_style, &DurationFormat::set_days_style, &DurationFormat::days_display, &DurationFormat::set_days_display, "days"sv, "day"sv, date_values, "short"sv },
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DurationInstanceComponent { &Temporal::DurationRecord::hours, &DurationFormat::hours_style, &DurationFormat::set_hours_style, &DurationFormat::hours_display, &DurationFormat::set_hours_display, "hours"sv, "hour"sv, time_values, "numeric"sv },
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DurationInstanceComponent { &Temporal::DurationRecord::minutes, &DurationFormat::minutes_style, &DurationFormat::set_minutes_style, &DurationFormat::minutes_display, &DurationFormat::set_minutes_display, "minutes"sv, "minute"sv, time_values, "numeric"sv },
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DurationInstanceComponent { &Temporal::DurationRecord::seconds, &DurationFormat::seconds_style, &DurationFormat::set_seconds_style, &DurationFormat::seconds_display, &DurationFormat::set_seconds_display, "seconds"sv, "second"sv, time_values, "numeric"sv },
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DurationInstanceComponent { &Temporal::DurationRecord::milliseconds, &DurationFormat::milliseconds_style, &DurationFormat::set_milliseconds_style, &DurationFormat::milliseconds_display, &DurationFormat::set_milliseconds_display, "milliseconds"sv, "millisecond"sv, sub_second_values, "numeric"sv },
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DurationInstanceComponent { &Temporal::DurationRecord::microseconds, &DurationFormat::microseconds_style, &DurationFormat::set_microseconds_style, &DurationFormat::microseconds_display, &DurationFormat::set_microseconds_display, "microseconds"sv, "microsecond"sv, sub_second_values, "numeric"sv },
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DurationInstanceComponent { &Temporal::DurationRecord::nanoseconds, &DurationFormat::nanoseconds_style, &DurationFormat::set_nanoseconds_style, &DurationFormat::nanoseconds_display, &DurationFormat::set_nanoseconds_display, "nanoseconds"sv, "nanosecond"sv, sub_second_values, "numeric"sv },
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};
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struct DurationUnitOptions {
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String style;
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String display;
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};
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ThrowCompletionOr<Temporal::DurationRecord> to_duration_record(VM&, Value input);
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i8 duration_record_sign(Temporal::DurationRecord const&);
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bool is_valid_duration_record(Temporal::DurationRecord const&);
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ThrowCompletionOr<DurationUnitOptions> get_duration_unit_options(VM&, String const& unit, Object const& options, StringView base_style, ReadonlySpan<StringView> styles_list, StringView digital_base, StringView previous_style);
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Vector<PatternPartition> partition_duration_format_pattern(VM&, DurationFormat const&, Temporal::DurationRecord const& duration);
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}
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