Index: Source/bindings/v8/V8ValueCache.cpp |
diff --git a/Source/bindings/v8/V8ValueCache.cpp b/Source/bindings/v8/V8ValueCache.cpp |
deleted file mode 100644 |
index 6d64a56169c9046a92bef471b6a260196dc24343..0000000000000000000000000000000000000000 |
--- a/Source/bindings/v8/V8ValueCache.cpp |
+++ /dev/null |
@@ -1,132 +0,0 @@ |
-/* |
- * Copyright (C) 2009 Google 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. AND ITS CONTRIBUTORS ``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 ITS 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. |
- */ |
- |
-#include "config.h" |
-#include "bindings/v8/V8ValueCache.h" |
- |
-#include "bindings/v8/V8Binding.h" |
-#include "wtf/text/StringHash.h" |
- |
-namespace WebCore { |
- |
-StringCacheMapTraits::MapType* StringCacheMapTraits::MapFromWeakCallbackData( |
- const v8::WeakCallbackData<v8::String, WeakCallbackDataType>& data) |
-{ |
- return &(V8PerIsolateData::from(data.GetIsolate())->stringCache()->m_stringCache); |
-} |
- |
- |
-void StringCacheMapTraits::Dispose( |
- v8::Isolate* isolate, v8::UniquePersistent<v8::String> value, StringImpl* key) |
-{ |
- V8PerIsolateData::from(isolate)->stringCache()->InvalidateLastString(); |
- key->deref(); |
-} |
- |
- |
-StringCache::~StringCache() |
-{ |
- // The MapType::Dispose callback calls StringCache::InvalidateLastString, |
- // which will only work while the destructor has not yet finished. Thus, |
- // we need to clear the map before the destructor has completed. |
- m_stringCache.Clear(); |
-} |
- |
-static v8::Local<v8::String> makeExternalString(const String& string, v8::Isolate* isolate) |
-{ |
- if (string.is8Bit()) { |
- WebCoreStringResource8* stringResource = new WebCoreStringResource8(string); |
- v8::Local<v8::String> newString = v8::String::NewExternal(isolate, stringResource); |
- if (newString.IsEmpty()) |
- delete stringResource; |
- return newString; |
- } |
- |
- WebCoreStringResource16* stringResource = new WebCoreStringResource16(string); |
- v8::Local<v8::String> newString = v8::String::NewExternal(isolate, stringResource); |
- if (newString.IsEmpty()) |
- delete stringResource; |
- return newString; |
-} |
- |
-v8::Handle<v8::String> StringCache::v8ExternalStringSlow(StringImpl* stringImpl, v8::Isolate* isolate) |
-{ |
- if (!stringImpl->length()) |
- return v8::String::Empty(isolate); |
- |
- StringCacheMapTraits::MapType::PersistentValueReference cachedV8String = m_stringCache.GetReference(stringImpl); |
- if (!cachedV8String.IsEmpty()) { |
- m_lastStringImpl = stringImpl; |
- m_lastV8String = cachedV8String; |
- return m_lastV8String.NewLocal(isolate); |
- } |
- |
- return createStringAndInsertIntoCache(stringImpl, isolate); |
-} |
- |
-void StringCache::setReturnValueFromStringSlow(v8::ReturnValue<v8::Value> returnValue, StringImpl* stringImpl) |
-{ |
- if (!stringImpl->length()) { |
- returnValue.SetEmptyString(); |
- return; |
- } |
- |
- StringCacheMapTraits::MapType::PersistentValueReference cachedV8String = m_stringCache.GetReference(stringImpl); |
- if (!cachedV8String.IsEmpty()) { |
- m_lastStringImpl = stringImpl; |
- m_lastV8String = cachedV8String; |
- m_lastV8String.SetReturnValue(returnValue); |
- return; |
- } |
- |
- returnValue.Set(createStringAndInsertIntoCache(stringImpl, returnValue.GetIsolate())); |
-} |
- |
-v8::Local<v8::String> StringCache::createStringAndInsertIntoCache(StringImpl* stringImpl, v8::Isolate* isolate) |
-{ |
- ASSERT(!m_stringCache.Contains(stringImpl)); |
- ASSERT(stringImpl->length()); |
- |
- v8::Local<v8::String> newString = makeExternalString(String(stringImpl), isolate); |
- if (newString.IsEmpty()) |
- return newString; |
- |
- v8::UniquePersistent<v8::String> wrapper(isolate, newString); |
- |
- stringImpl->ref(); |
- wrapper.MarkIndependent(); |
- m_stringCache.Set(stringImpl, wrapper.Pass(), &m_lastV8String); |
- m_lastStringImpl = stringImpl; |
- |
- return newString; |
-} |
- |
-void StringCache::InvalidateLastString() |
-{ |
- m_lastStringImpl = nullptr; |
- m_lastV8String.Reset(); |
-} |
- |
-} // namespace WebCore |