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-rw-r--r--src/3rdparty/javascriptcore/JavaScriptCore/runtime/DateInstanceCache.h94
1 files changed, 0 insertions, 94 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/DateInstanceCache.h b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/DateInstanceCache.h
deleted file mode 100644
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--- a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/DateInstanceCache.h
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@@ -1,94 +0,0 @@
-/*
- * Copyright (C) 2009 Apple Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef DateInstanceCache_h
-#define DateInstanceCache_h
-
-#include <wtf/DateMath.h>
-#include <wtf/HashFunctions.h>
-#include <wtf/PassRefPtr.h>
-#include <wtf/RefCounted.h>
-
-namespace JSC {
-
- extern const double NaN;
-
- class DateInstanceData : public RefCounted<DateInstanceData> {
- public:
- static PassRefPtr<DateInstanceData> create() { return adoptRef(new DateInstanceData); }
-
- double m_gregorianDateTimeCachedForMS;
- GregorianDateTime m_cachedGregorianDateTime;
- double m_gregorianDateTimeUTCCachedForMS;
- GregorianDateTime m_cachedGregorianDateTimeUTC;
-
- private:
- DateInstanceData()
- : m_gregorianDateTimeCachedForMS(NaN)
- , m_gregorianDateTimeUTCCachedForMS(NaN)
- {
- }
- };
-
- class DateInstanceCache {
- public:
- DateInstanceCache()
- {
- reset();
- }
-
- void reset()
- {
- for (size_t i = 0; i < cacheSize; ++i)
- m_cache[i].key = NaN;
- }
-
- DateInstanceData* add(double d)
- {
- CacheEntry& entry = lookup(d);
- if (d == entry.key)
- return entry.value.get();
-
- entry.key = d;
- entry.value = DateInstanceData::create();
- return entry.value.get();
- }
-
- private:
- static const size_t cacheSize = 16;
-
- struct CacheEntry {
- double key;
- RefPtr<DateInstanceData> value;
- };
-
- CacheEntry& lookup(double d) { return m_cache[WTF::FloatHash<double>::hash(d) & (cacheSize - 1)]; }
-
- CacheEntry m_cache[cacheSize];
- };
-
-} // namespace JSC
-
-#endif // DateInstanceCache_h