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Unified Diff: third_party/WebKit/Source/wtf/InstanceCounter.cpp

Issue 2767153004: Move files in wtf/ to platform/wtf/ (Part 12). (Closed)
Patch Set: Rebase. Created 3 years, 9 months ago
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Index: third_party/WebKit/Source/wtf/InstanceCounter.cpp
diff --git a/third_party/WebKit/Source/wtf/InstanceCounter.cpp b/third_party/WebKit/Source/wtf/InstanceCounter.cpp
deleted file mode 100644
index cfffb5208497a6d6016a8f5cdd46b49636a3b3f5..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/wtf/InstanceCounter.cpp
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * Copyright (C) 2013 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 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 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 "wtf/InstanceCounter.h"
-
-#include "wtf/HashMap.h"
-#include "wtf/StdLibExtras.h"
-#include "wtf/ThreadingPrimitives.h"
-#include "wtf/text/StringBuilder.h"
-#include "wtf/text/StringHash.h"
-#include "wtf/text/WTFString.h"
-
-namespace WTF {
-
-#if ENABLE(INSTANCE_COUNTER)
-
-#if COMPILER(CLANG)
-const size_t stringWithTypeNamePrefixLength =
- sizeof("const char *WTF::getStringWithTypeName() [T = ") - 1;
-const size_t stringWithTypeNamePostfixLength = sizeof("]") - 1;
-#elif COMPILER(GCC)
-const size_t stringWithTypeNamePrefixLength =
- sizeof("const char* WTF::getStringWithTypeName() [with T = ") - 1;
-const size_t stringWithTypeNamePostfixLength = sizeof("]") - 1;
-#elif COMPILER(MSVC)
-const size_t stringWithTypeNamePrefixLength =
- sizeof("const char *__cdecl WTF::getStringWithTypeName<class ") - 1;
-const size_t stringWithTypeNamePostfixLength = sizeof(">(void)") - 1;
-#else
-#warning \
- "Extracting typename is supported only in compiler GCC, CLANG and MSVC at this moment"
-#endif
-
-// This function is used to stringify a typename T without using RTTI.
-// The result of stringWithTypeName<T>() is given as |funcName|.
-// |extractTypeNameFromFunctionName| then extracts a typename string from
-// |funcName|.
-String extractTypeNameFromFunctionName(const char* funcName) {
-#if COMPILER(CLANG) || COMPILER(GCC) || COMPILER(MSVC)
- size_t funcNameLength = strlen(funcName);
- DCHECK_GT(funcNameLength,
- stringWithTypeNamePrefixLength + stringWithTypeNamePostfixLength);
-
- const char* funcNameWithoutPrefix = funcName + stringWithTypeNamePrefixLength;
- return String(funcNameWithoutPrefix, funcNameLength -
- stringWithTypeNamePrefixLength -
- stringWithTypeNamePostfixLength);
-#else
- return String("unknown");
-#endif
-}
-
-class InstanceCounter {
- public:
- void incrementInstanceCount(const String& instanceName, void* ptr);
- void decrementInstanceCount(const String& instanceName, void* ptr);
- String dump();
-
- static InstanceCounter* instance() {
- DEFINE_STATIC_LOCAL(InstanceCounter, self, ());
- return &self;
- }
-
- private:
- InstanceCounter() {}
-
- Mutex m_mutex;
- HashMap<String, int> m_counterMap;
-};
-
-void incrementInstanceCount(const char* stringWithTypeNameName, void* ptr) {
- String instanceName = extractTypeNameFromFunctionName(stringWithTypeNameName);
- InstanceCounter::instance()->incrementInstanceCount(instanceName, ptr);
-}
-
-void decrementInstanceCount(const char* stringWithTypeNameName, void* ptr) {
- String instanceName = extractTypeNameFromFunctionName(stringWithTypeNameName);
- InstanceCounter::instance()->decrementInstanceCount(instanceName, ptr);
-}
-
-String dumpRefCountedInstanceCounts() {
- return InstanceCounter::instance()->dump();
-}
-
-void InstanceCounter::incrementInstanceCount(const String& instanceName,
- void* ptr) {
- MutexLocker locker(m_mutex);
- HashMap<String, int>::AddResult result = m_counterMap.add(instanceName, 1);
- if (!result.isNewEntry)
- ++(result.storedValue->value);
-}
-
-void InstanceCounter::decrementInstanceCount(const String& instanceName,
- void* ptr) {
- MutexLocker locker(m_mutex);
- HashMap<String, int>::iterator it = m_counterMap.find(instanceName);
- DCHECK(it != m_counterMap.end());
-
- --(it->value);
- if (!it->value)
- m_counterMap.remove(it);
-}
-
-String InstanceCounter::dump() {
- MutexLocker locker(m_mutex);
-
- StringBuilder builder;
-
- builder.append('{');
- HashMap<String, int>::iterator it = m_counterMap.begin();
- HashMap<String, int>::iterator itEnd = m_counterMap.end();
- for (; it != itEnd; ++it) {
- if (it != m_counterMap.begin())
- builder.append(',');
- builder.append('"');
- builder.append(it->key);
- builder.append("\": ");
- builder.appendNumber(it->value);
- }
- builder.append('}');
-
- return builder.toString();
-}
-
-#else
-
-String dumpRefCountedInstanceCounts() {
- return String("{}");
-}
-
-#endif // ENABLE(INSTANCE_COUNTER)
-
-} // namespace WTF
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