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LibJS: Start implementing Temporal.Duration

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This patch adds the Duration object itself, its constructor and
prototype (currently empty), and three required abstract operations.
This commit is contained in:
Linus Groh 2021-07-15 23:20:43 +01:00
parent 71234b3716
commit 7921d8ba91
13 changed files with 377 additions and 1 deletions
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50
Userland/Libraries/LibJS/Runtime/Temporal/Duration.h Normal file
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/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Runtime/Object.h>
namespace JS::Temporal {
class Duration final : public Object {
JS_OBJECT(Duration, Object);
public:
explicit Duration(double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds, Object& prototype);
virtual ~Duration() override = default;
double years() const { return m_years; }
double months() const { return m_months; }
double weeks() const { return m_weeks; }
double days() const { return m_days; }
double hours() const { return m_hours; }
double minutes() const { return m_minutes; }
double seconds() const { return m_seconds; }
double milliseconds() const { return m_milliseconds; }
double microseconds() const { return m_microseconds; }
double nanoseconds() const { return m_nanoseconds; }
private:
// 7.4 Properties of Temporal.Duration Instances, https://tc39.es/proposal-temporal/#sec-properties-of-temporal-duration-instances
double m_years; // [[Years]]
double m_months; // [[Months]]
double m_weeks; // [[Weeks]]
double m_days; // [[Days]]
double m_hours; // [[Hours]]
double m_minutes; // [[Minutes]]
double m_seconds; // [[Seconds]]
double m_milliseconds; // [[Milliseconds]]
double m_microseconds; // [[Microseconds]]
double m_nanoseconds; // [[Nanoseconds]]
};
i8 duration_sign(double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds);
bool is_valid_duration(double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds);
Duration* create_temporal_duration(GlobalObject&, double years, double months, double weeks, double days, double hours, double minutes, double seconds, double milliseconds, double microseconds, double nanoseconds, FunctionObject* new_target = nullptr);
}