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CppTools: Fix compilation with Qt4

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Change-Id: I76c6ea3557c46fbca4ccb0fb293c6ed6f03e96df
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Robert Loehning <robert.loehning@digia.com>
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>
This commit is contained in:
Nikolai Kosjar
2014-05-28 15:51:31 -04:00
committed by Erik Verbruggen
parent 1385844d13
commit 954c61ff58
1 changed files with 14 additions and 7 deletions
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21
src/plugins/cpptools/stringtable.cpp
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@@ -63,7 +63,7 @@ QString StringTable::insert(const QString &string)
QMutexLocker locker(&m_lock);
QString result = *m_strings.insert(string);
m_stopGCRequested.storeRelease(false);
m_stopGCRequested.fetchAndStoreRelease(false);
return result;
}
@@ -83,15 +83,24 @@ enum {
DebugStringTable = 0
};
static inline int qstringRefCount(const QString &string)
{
#if QT_VERSION >= 0x050000
return const_cast<QString&>(string).data_ptr()->ref.atomic.load();
#else
return const_cast<QString&>(string).data_ptr()->ref;
#endif
}
void StringTable::GC()
{
QMutexLocker locker(&m_lock);
int initialSize = 0;
int startTime = 0;
QTime startTime;
if (DebugStringTable) {
initialSize = m_strings.size();
startTime = QTime::currentTime().msecsSinceStartOfDay();
startTime = QTime::currentTime();
}
// Collect all QStrings which have refcount 1. (One reference in m_strings and nowhere else.)
@@ -99,18 +108,16 @@ void StringTable::GC()
if (m_stopGCRequested.testAndSetRelease(true, false))
return;
const int refCount = const_cast<QString&>(*i).data_ptr()->ref.atomic.load();
if (refCount == 1)
if (qstringRefCount(*i) == 1)
i = m_strings.erase(i);
else
++i;
}
if (DebugStringTable) {
const int endTime = QTime::currentTime().msecsSinceStartOfDay();
const int currentSize = m_strings.size();
qDebug() << "StringTable::GC removed" << initialSize - currentSize
<< "strings in" << endTime - startTime
<< "strings in" << startTime.msecsTo(QTime::currentTime())
<< "ms, size is now" << currentSize;
}
}