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/*
* Copyright (C) 2012 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER 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 MemoryInstrumentationString_h
#define MemoryInstrumentationString_h
#include "wtf/MemoryInstrumentation.h"
#include "wtf/text/AtomicString.h"
#include "wtf/text/CString.h"
#include "wtf/text/StringBuilder.h"
#include "wtf/text/WTFString.h"
namespace WTF {
inline void reportMemoryUsage(const StringImpl* stringImpl, MemoryObjectInfo* memoryObjectInfo)
{
size_t selfSize = sizeof(StringImpl);
size_t length = stringImpl->length();
size_t bufferSize = length * (stringImpl->is8Bit() ? sizeof(LChar) : sizeof(UChar));
const void* buffer = stringImpl->is8Bit() ? static_cast<const void*>(stringImpl->characters8()) : static_cast<const void*>(stringImpl->characters16());
// Count size used by internal buffer but skip strings that were constructed from literals.
if (stringImpl->hasInternalBuffer() && buffer == stringImpl + 1)
selfSize += bufferSize;
MemoryClassInfo info(memoryObjectInfo, stringImpl, 0, selfSize);
if (StringImpl* baseString = stringImpl->baseString())
info.addMember(baseString, "baseString", RetainingPointer);
else {
if (stringImpl->hasOwnedBuffer())
info.addRawBuffer(buffer, bufferSize, "char[]", "ownedBuffer");
if (stringImpl->has16BitShadow())
info.addRawBuffer(stringImpl->bloatedCharacters(), length * sizeof(UChar), "UChar[]", "16bitShadow");
}
}
inline void reportMemoryUsage(const String* string, MemoryObjectInfo* memoryObjectInfo)
{
MemoryClassInfo info(memoryObjectInfo, string);
info.addMember(string->impl(), "stringImpl", RetainingPointer);
}
template <typename CharType> class StringBuffer;
template <typename CharType>
inline void reportMemoryUsage(const StringBuffer<CharType>* stringBuffer, MemoryObjectInfo* memoryObjectInfo)
{
MemoryClassInfo info(memoryObjectInfo, stringBuffer);
info.addRawBuffer(stringBuffer->characters(), sizeof(CharType) * stringBuffer->length(), "CharType[]", "data");
}
inline void reportMemoryUsage(const AtomicString* atomicString, MemoryObjectInfo* memoryObjectInfo)
{
MemoryClassInfo info(memoryObjectInfo, atomicString);
info.addMember(atomicString->string(), "string");
}
inline void reportMemoryUsage(const CStringBuffer* cStringBuffer, MemoryObjectInfo* memoryObjectInfo)
{
MemoryClassInfo info(memoryObjectInfo, cStringBuffer, 0, sizeof(*cStringBuffer) + cStringBuffer->length());
}
inline void reportMemoryUsage(const CString* cString, MemoryObjectInfo* memoryObjectInfo)
{
MemoryClassInfo info(memoryObjectInfo, cString);
info.addMember(cString->buffer(), "buffer", RetainingPointer);
}
}
#endif // !defined(MemoryInstrumentationVector_h)
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