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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/*
 * JS Date class interface.
 */

#ifndef jsdate_h___
#define jsdate_h___

#include "mozilla/FloatingPoint.h"

#include <math.h>

#include "jstypes.h"

#include "vm/NumericConversions.h"

extern "C" {
struct JSObject;
struct JSContext;
}

namespace js {

/* ES5 15.9.1.14. */
inline double
TimeClip(double time)
{
    /* Steps 1-2. */
    if (!MOZ_DOUBLE_IS_FINITE(time) || fabs(time) > 8.64e15)
        return js_NaN;

    /* Step 3. */
    return ToInteger(time + (+0.0));
}

} /* namespace js */

extern JSObject *
js_InitDateClass(JSContext *cx, JSObject *obj);

/*
 * These functions provide a C interface to the date/time object
 */

/*
 * Construct a new Date Object from a time value given in milliseconds UTC
 * since the epoch.
 */
extern JS_FRIEND_API(JSObject*)
js_NewDateObjectMsec(JSContext* cx, double msec_time);

/*
 * Construct a new Date Object from an exploded local time value.
 *
 * Assert that mon < 12 to help catch off-by-one user errors, which are common
 * due to the 0-based month numbering copied into JS from Java (java.util.Date
 * in 1995).
 */
extern JS_FRIEND_API(JSObject*)
js_NewDateObject(JSContext* cx, int year, int mon, int mday,
                 int hour, int min, int sec);

extern void
js_ClearDateCaches();

extern JS_FRIEND_API(int)
js_DateGetYear(JSContext *cx, JSObject* obj);

extern JS_FRIEND_API(int)
js_DateGetMonth(JSContext *cx, JSObject* obj);

extern JS_FRIEND_API(int)
js_DateGetDate(JSContext *cx, JSObject* obj);

extern JS_FRIEND_API(int)
js_DateGetHours(JSContext *cx, JSObject* obj);

extern JS_FRIEND_API(int)
js_DateGetMinutes(JSContext *cx, JSObject* obj);

extern JS_FRIEND_API(int)
js_DateGetSeconds(JSContext *cx, JSObject* obj);

/* Date constructor native. Exposed only so the JIT can know its address. */
JSBool
js_Date(JSContext *cx, unsigned argc, js::Value *vp);

#endif /* jsdate_h___ */