JavaScriptCore-7600.1.4.17.5.tar.gz

[apple/javascriptcore.git] / runtime / DateInstance.cpp

diff --git a/runtime/DateInstance.cpp b/runtime/DateInstance.cpp
index 8806dec3d8e823f3a2f013d9e5bcdf82bc6aaaaf..d0317c2edb891520ceef376ddb52c25ec25fe663 100644 (file)
--- a/runtime/DateInstance.cpp
+++ b/runtime/DateInstance.cpp
@@ -22,95 +22,74 @@
 #include "config.h"
 #include "DateInstance.h"
 
-#include "DateMath.h"
+#include "JSDateMath.h"
+#include "JSGlobalObject.h"
+#include "JSCInlines.h"
 #include <math.h>
 #include <wtf/MathExtras.h>
 
-namespace JSC {
+using namespace WTF;
 
-struct DateInstance::Cache {
-    double m_gregorianDateTimeCachedForMS;
-    GregorianDateTime m_cachedGregorianDateTime;
-    double m_gregorianDateTimeUTCCachedForMS;
-    GregorianDateTime m_cachedGregorianDateTimeUTC;
-};
+namespace JSC {
 
-const ClassInfo DateInstance::info = {"Date", 0, 0, 0};
+const ClassInfo DateInstance::s_info = {"Date", &JSWrapperObject::s_info, 0, 0, CREATE_METHOD_TABLE(DateInstance)};
 
-DateInstance::DateInstance(PassRefPtr<Structure> structure)
-    : JSWrapperObject(structure)
-    , m_cache(0)
+DateInstance::DateInstance(VM& vm, Structure* structure)
+    : JSWrapperObject(vm, structure)
 {
 }
 
-DateInstance::~DateInstance()
+void DateInstance::finishCreation(VM& vm)
 {
-    delete m_cache;
+    Base::finishCreation(vm);
+    ASSERT(inherits(info()));
+    setInternalValue(vm, jsNaN());
 }
 
-void DateInstance::msToGregorianDateTime(double milli, bool outputIsUTC, GregorianDateTime& t) const
+void DateInstance::finishCreation(VM& vm, double time)
 {
-    if (!m_cache) {
-        m_cache = new Cache;
-        m_cache->m_gregorianDateTimeCachedForMS = NaN;
-        m_cache->m_gregorianDateTimeUTCCachedForMS = NaN;
-    }
-
-    if (outputIsUTC) {
-        if (m_cache->m_gregorianDateTimeUTCCachedForMS != milli) {
-            JSC::msToGregorianDateTime(milli, true, m_cache->m_cachedGregorianDateTimeUTC);
-            m_cache->m_gregorianDateTimeUTCCachedForMS = milli;
-        }
-        t.copyFrom(m_cache->m_cachedGregorianDateTimeUTC);
-    } else {
-        if (m_cache->m_gregorianDateTimeCachedForMS != milli) {
-            JSC::msToGregorianDateTime(milli, false, m_cache->m_cachedGregorianDateTime);
-            m_cache->m_gregorianDateTimeCachedForMS = milli;
-        }
-        t.copyFrom(m_cache->m_cachedGregorianDateTime);
-    }
+    Base::finishCreation(vm);
+    ASSERT(inherits(info()));
+    setInternalValue(vm, jsNumber(timeClip(time)));
 }
 
-bool DateInstance::getTime(GregorianDateTime& t, int& offset) const
+void DateInstance::destroy(JSCell* cell)
 {
-    double milli = internalNumber();
-    if (isnan(milli))
-        return false;
-    
-    msToGregorianDateTime(milli, false, t);
-    offset = gmtoffset(t);
-    return true;
+    static_cast<DateInstance*>(cell)->DateInstance::~DateInstance();
 }
 
-bool DateInstance::getUTCTime(GregorianDateTime& t) const
+const GregorianDateTime* DateInstance::calculateGregorianDateTime(ExecState* exec) const
 {
     double milli = internalNumber();
-    if (isnan(milli))
-        return false;
-    
-    msToGregorianDateTime(milli, true, t);
-    return true;
-}
+    if (std::isnan(milli))
+        return 0;
 
-bool DateInstance::getTime(double& milli, int& offset) const
-{
-    milli = internalNumber();
-    if (isnan(milli))
-        return false;
-    
-    GregorianDateTime t;
-    msToGregorianDateTime(milli, false, t);
-    offset = gmtoffset(t);
-    return true;
+    VM& vm = exec->vm();
+    if (!m_data)
+        m_data = vm.dateInstanceCache.add(milli);
+
+    if (m_data->m_gregorianDateTimeCachedForMS != milli) {
+        msToGregorianDateTime(vm, milli, false, m_data->m_cachedGregorianDateTime);
+        m_data->m_gregorianDateTimeCachedForMS = milli;
+    }
+    return &m_data->m_cachedGregorianDateTime;
 }
 
-bool DateInstance::getUTCTime(double& milli) const
+const GregorianDateTime* DateInstance::calculateGregorianDateTimeUTC(ExecState* exec) const
 {
-    milli = internalNumber();
-    if (isnan(milli))
-        return false;
-    
-    return true;
+    double milli = internalNumber();
+    if (std::isnan(milli))
+        return 0;
+
+    VM& vm = exec->vm();
+    if (!m_data)
+        m_data = vm.dateInstanceCache.add(milli);
+
+    if (m_data->m_gregorianDateTimeUTCCachedForMS != milli) {
+        msToGregorianDateTime(vm, milli, true, m_data->m_cachedGregorianDateTimeUTC);
+        m_data->m_gregorianDateTimeUTCCachedForMS = milli;
+    }
+    return &m_data->m_cachedGregorianDateTimeUTC;
 }
 
 } // namespace JSC