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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 MemoryInstrumentationSequence_h | |
| 32 #define MemoryInstrumentationSequence_h | |
| 33 | |
| 34 #include <wtf/MemoryInstrumentation.h> | |
| 35 #include <wtf/TypeTraits.h> | |
| 36 | |
| 37 namespace WTF { | |
| 38 | |
| 39 template <typename T> struct NotConvertibleToInteger { | |
| 40 }; | |
| 41 | |
| 42 // Default implementation with integer type filter. | |
| 43 template<typename ValueType> | |
| 44 struct SequenceMemoryInstrumentationTraits { | |
| 45 template <typename I> static void reportMemoryUsage(I begin, I end, MemoryCl
assInfo& info) | |
| 46 { | |
| 47 // Check if type is convertible to integer to handle iteration through e
num values. | |
| 48 typedef SequenceMemoryInstrumentationTraits<typename Conditional<IsConve
rtibleToInteger<ValueType>::value, int, NotConvertibleToInteger<ValueType> >::Ty
pe> SequenceTraits; | |
| 49 SequenceTraits::reportMemoryUsage(begin, end, info); | |
| 50 } | |
| 51 | |
| 52 }; | |
| 53 | |
| 54 // Specialization for the types which can't be converted to int. | |
| 55 template<typename ValueType> | |
| 56 struct SequenceMemoryInstrumentationTraits<NotConvertibleToInteger<ValueType> >
{ | |
| 57 template <typename I> | |
| 58 static void reportMemoryUsage(I iterator, I end, MemoryClassInfo& info) | |
| 59 { | |
| 60 while (iterator != end) { | |
| 61 info.addMember(*iterator, "item"); | |
| 62 ++iterator; | |
| 63 } | |
| 64 } | |
| 65 }; | |
| 66 | |
| 67 template<> struct SequenceMemoryInstrumentationTraits<int> { | |
| 68 template <typename I> static void reportMemoryUsage(I, I, MemoryClassInfo&)
{ } | |
| 69 }; | |
| 70 | |
| 71 template<> struct SequenceMemoryInstrumentationTraits<void*> { | |
| 72 template <typename I> static void reportMemoryUsage(I, I, MemoryClassInfo&)
{ } | |
| 73 }; | |
| 74 | |
| 75 template<> struct SequenceMemoryInstrumentationTraits<char*> { | |
| 76 template <typename I> static void reportMemoryUsage(I, I, MemoryClassInfo&)
{ } | |
| 77 }; | |
| 78 | |
| 79 template<> struct SequenceMemoryInstrumentationTraits<const char*> { | |
| 80 template <typename I> static void reportMemoryUsage(I, I, MemoryClassInfo&)
{ } | |
| 81 }; | |
| 82 | |
| 83 template<> struct SequenceMemoryInstrumentationTraits<const void*> { | |
| 84 template <typename I> static void reportMemoryUsage(I, I, MemoryClassInfo&)
{ } | |
| 85 }; | |
| 86 | |
| 87 } | |
| 88 | |
| 89 #endif // !defined(MemoryInstrumentationSequence_h) | |
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