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| 1 /* | |
| 2 * Copyright (C) 2012 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef MemoryInstrumentationString_h | |
| 32 #define MemoryInstrumentationString_h | |
| 33 | |
| 34 #include <wtf/MemoryInstrumentation.h> | |
| 35 #include <wtf/text/AtomicString.h> | |
| 36 #include <wtf/text/CString.h> | |
| 37 #include <wtf/text/StringBuilder.h> | |
| 38 #include <wtf/text/WTFString.h> | |
| 39 | |
| 40 namespace WTF { | |
| 41 | |
| 42 inline void reportMemoryUsage(const StringImpl* stringImpl, MemoryObjectInfo* me
moryObjectInfo) | |
| 43 { | |
| 44 size_t selfSize = sizeof(StringImpl); | |
| 45 | |
| 46 size_t length = stringImpl->length() + (stringImpl->hasTerminatingNullCharac
ter() ? 1 : 0); | |
| 47 size_t bufferSize = length * (stringImpl->is8Bit() ? sizeof(LChar) : sizeof(
UChar)); | |
| 48 const void* buffer = stringImpl->is8Bit() ? static_cast<const void*>(stringI
mpl->characters8()) : static_cast<const void*>(stringImpl->characters16()); | |
| 49 | |
| 50 // Count size used by internal buffer but skip strings that were constructed
from literals. | |
| 51 if (stringImpl->hasInternalBuffer() && buffer == stringImpl + 1) | |
| 52 selfSize += bufferSize; | |
| 53 | |
| 54 MemoryClassInfo info(memoryObjectInfo, stringImpl, 0, selfSize); | |
| 55 | |
| 56 if (StringImpl* baseString = stringImpl->baseString()) | |
| 57 info.addMember(baseString, "baseString", RetainingPointer); | |
| 58 else { | |
| 59 if (stringImpl->hasOwnedBuffer()) | |
| 60 info.addRawBuffer(buffer, bufferSize, "char[]", "ownedBuffer"); | |
| 61 | |
| 62 if (stringImpl->has16BitShadow()) | |
| 63 info.addRawBuffer(stringImpl->characters(), length * sizeof(UChar),
"UChar[]", "16bitShadow"); | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 inline void reportMemoryUsage(const String* string, MemoryObjectInfo* memoryObje
ctInfo) | |
| 68 { | |
| 69 MemoryClassInfo info(memoryObjectInfo, string); | |
| 70 info.addMember(string->impl(), "stringImpl", RetainingPointer); | |
| 71 } | |
| 72 | |
| 73 template <typename CharType> class StringBuffer; | |
| 74 template <typename CharType> | |
| 75 inline void reportMemoryUsage(const StringBuffer<CharType>* stringBuffer, Memory
ObjectInfo* memoryObjectInfo) | |
| 76 { | |
| 77 MemoryClassInfo info(memoryObjectInfo, stringBuffer); | |
| 78 info.addRawBuffer(stringBuffer->characters(), sizeof(CharType) * stringBuffe
r->length(), "CharType[]", "data"); | |
| 79 } | |
| 80 | |
| 81 inline void reportMemoryUsage(const AtomicString* atomicString, MemoryObjectInfo
* memoryObjectInfo) | |
| 82 { | |
| 83 MemoryClassInfo info(memoryObjectInfo, atomicString); | |
| 84 info.addMember(atomicString->string(), "string"); | |
| 85 } | |
| 86 | |
| 87 inline void reportMemoryUsage(const CStringBuffer* cStringBuffer, MemoryObjectIn
fo* memoryObjectInfo) | |
| 88 { | |
| 89 MemoryClassInfo info(memoryObjectInfo, cStringBuffer, 0, sizeof(*cStringBuff
er) + cStringBuffer->length()); | |
| 90 } | |
| 91 | |
| 92 inline void reportMemoryUsage(const CString* cString, MemoryObjectInfo* memoryOb
jectInfo) | |
| 93 { | |
| 94 MemoryClassInfo info(memoryObjectInfo, cString); | |
| 95 info.addMember(cString->buffer(), "buffer", RetainingPointer); | |
| 96 } | |
| 97 | |
| 98 } | |
| 99 | |
| 100 #endif // !defined(MemoryInstrumentationVector_h) | |
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Chromium Code Reviews
Issue 14238015:
Move Source/WTF/wtf to Source/wtf (Closed)
Base URL: svn://svn.chromium.org/blink/trunk