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Bug 686002 - Refactor Date class initialization. r=bhackett

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--HG--
extra : rebase_source : 0dcb02dc1f79b23a29655dd91dd48957b10d8344
This commit is contained in:
Jeff Walden 2011-05-03 15:18:36 -04:00
parent 0cb6bc3235
commit 937f6db9d9
1 changed files with 36 additions and 16 deletions
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52
js/src/jsdate.cpp
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@ -72,6 +72,8 @@
#include "jsstr.h"
#include "jslibmath.h"
#include "vm/GlobalObject.h"
#include "jsinferinlines.h"
#include "jsobjinlines.h"
@ -2605,34 +2607,52 @@ js_Date(JSContext *cx, uintN argc, Value *vp)
JSObject *
js_InitDateClass(JSContext *cx, JSObject *obj)
{
/* set static LocalTZA */
JS_ASSERT(obj->isNative());
/* Set the static LocalTZA. */
LocalTZA = -(PRMJ_LocalGMTDifference() * msPerSecond);
JSObject *proto = js_InitClass(cx, obj, NULL, &DateClass, js_Date, MAXARGS,
NULL, date_methods, NULL, date_static_methods);
if (!proto)
GlobalObject *global = obj->asGlobal();
JSObject *dateProto = global->createBlankPrototype(cx, &DateClass);
if (!dateProto)
return NULL;
SetDateToNaN(cx, dateProto);
JSFunction *ctor = global->createConstructor(cx, js_Date, &DateClass,
CLASS_ATOM(cx, Date), MAXARGS);
if (!ctor)
return NULL;
AutoObjectRooter tvr(cx, proto);
if (!LinkConstructorAndPrototype(cx, ctor, dateProto))
return NULL;
SetDateToNaN(cx, proto);
if (!DefinePropertiesAndBrand(cx, ctor, NULL, date_static_methods))
return NULL;
/*
* ES5 B.2.6:
* The Function object that is the initial value of
* Date.prototype.toGMTString is the same Function
* object that is the initial value of
* Date.prototype.toUTCString.
* Define all Date.prototype.* functions, then brand for trace-jitted code.
* Date.prototype.toGMTString has the same initial value as
* Date.prototype.toUTCString.
*/
AutoValueRooter toUTCStringFun(cx);
if (!JS_DefineFunctions(cx, dateProto, date_methods))
return NULL;
Value toUTCStringFun;
jsid toUTCStringId = ATOM_TO_JSID(cx->runtime->atomState.toUTCStringAtom);
jsid toGMTStringId = ATOM_TO_JSID(cx->runtime->atomState.toGMTStringAtom);
if (!js_GetProperty(cx, proto, toUTCStringId, toUTCStringFun.addr()) ||
!js_DefineProperty(cx, proto, toGMTStringId, toUTCStringFun.addr(),
JS_PropertyStub, JS_StrictPropertyStub, 0)) {
if (!js_GetProperty(cx, dateProto, toUTCStringId, &toUTCStringFun) ||
!js_DefineProperty(cx, dateProto, toGMTStringId, &toUTCStringFun,
JS_PropertyStub, JS_StrictPropertyStub, 0))
{
return NULL;
}
if (!cx->typeInferenceEnabled())
dateProto->brand(cx);
return proto;
if (!DefineConstructorAndPrototype(cx, global, JSProto_Date, ctor, dateProto))
return NULL;
return dateProto;
}
JS_FRIEND_API(JSObject *)