mirror of
https://github.com/classilla/tenfourfox.git
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88 lines
3.8 KiB
C++
88 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef vm_DateObject_h_
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#define vm_DateObject_h_
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#include "jsobj.h"
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#include "js/Date.h"
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#include "js/Value.h"
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namespace js {
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class DateObject : public NativeObject
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{
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static const uint32_t UTC_TIME_SLOT = 0;
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static const uint32_t TZA_SLOT = 1;
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/*
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* Cached slots holding local properties of the date.
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* These are undefined until the first actual lookup occurs
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* and are reset to undefined whenever the date's time is modified.
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*/
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static const uint32_t COMPONENTS_START_SLOT = 2;
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static const uint32_t LOCAL_TIME_SLOT = COMPONENTS_START_SLOT + 0;
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static const uint32_t LOCAL_YEAR_SLOT = COMPONENTS_START_SLOT + 1;
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static const uint32_t LOCAL_MONTH_SLOT = COMPONENTS_START_SLOT + 2;
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static const uint32_t LOCAL_DATE_SLOT = COMPONENTS_START_SLOT + 3;
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static const uint32_t LOCAL_DAY_SLOT = COMPONENTS_START_SLOT + 4;
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static const uint32_t LOCAL_HOURS_SLOT = COMPONENTS_START_SLOT + 5;
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static const uint32_t LOCAL_MINUTES_SLOT = COMPONENTS_START_SLOT + 6;
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static const uint32_t LOCAL_SECONDS_SLOT = COMPONENTS_START_SLOT + 7;
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static const uint32_t RESERVED_SLOTS = LOCAL_SECONDS_SLOT + 1;
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public:
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static const Class class_;
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static const Class protoClass_;
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JS::ClippedTime clippedTime() const {
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double t = getFixedSlot(UTC_TIME_SLOT).toDouble();
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JS::ClippedTime clipped = JS::TimeClip(t);
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MOZ_ASSERT(mozilla::NumbersAreIdentical(clipped.toDouble(), t));
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return clipped;
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}
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const js::Value& UTCTime() const {
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return getFixedSlot(UTC_TIME_SLOT);
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}
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// Set UTC time to a given time and invalidate cached local time.
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void setUTCTime(JS::ClippedTime t);
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void setUTCTime(JS::ClippedTime t, MutableHandleValue vp);
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inline double cachedLocalTime();
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// Cache the local time, year, month, and so forth of the object.
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// If UTC time is not finite (e.g., NaN), the local time
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// slots will be set to the UTC time without conversion.
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void fillLocalTimeSlots();
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static MOZ_ALWAYS_INLINE bool getTime_impl(JSContext* cx, const CallArgs& args);
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static MOZ_ALWAYS_INLINE bool getYear_impl(JSContext* cx, const CallArgs& args);
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static MOZ_ALWAYS_INLINE bool getFullYear_impl(JSContext* cx, const CallArgs& args);
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static MOZ_ALWAYS_INLINE bool getUTCFullYear_impl(JSContext* cx, const CallArgs& args);
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static MOZ_ALWAYS_INLINE bool getMonth_impl(JSContext* cx, const CallArgs& args);
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static MOZ_ALWAYS_INLINE bool getUTCMonth_impl(JSContext* cx, const CallArgs& args);
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static MOZ_ALWAYS_INLINE bool getDate_impl(JSContext* cx, const CallArgs& args);
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static MOZ_ALWAYS_INLINE bool getUTCDate_impl(JSContext* cx, const CallArgs& args);
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static MOZ_ALWAYS_INLINE bool getDay_impl(JSContext* cx, const CallArgs& args);
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static MOZ_ALWAYS_INLINE bool getUTCDay_impl(JSContext* cx, const CallArgs& args);
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static MOZ_ALWAYS_INLINE bool getHours_impl(JSContext* cx, const CallArgs& args);
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static MOZ_ALWAYS_INLINE bool getUTCHours_impl(JSContext* cx, const CallArgs& args);
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static MOZ_ALWAYS_INLINE bool getMinutes_impl(JSContext* cx, const CallArgs& args);
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static MOZ_ALWAYS_INLINE bool getUTCMinutes_impl(JSContext* cx, const CallArgs& args);
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static MOZ_ALWAYS_INLINE bool getUTCSeconds_impl(JSContext* cx, const CallArgs& args);
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static MOZ_ALWAYS_INLINE bool getUTCMilliseconds_impl(JSContext* cx, const CallArgs& args);
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static MOZ_ALWAYS_INLINE bool getTimezoneOffset_impl(JSContext* cx, const CallArgs& args);
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};
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} // namespace js
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#endif // vm_DateObject_h_
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