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memory leak detection simplified

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This commit is contained in:
Uwe Rathmann 2021-10-08 07:47:00 +02:00
parent 766105b201
commit 5791341996
1 changed files with 8 additions and 65 deletions
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73
src/common/QskObjectCounter.cpp
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@ -17,8 +17,7 @@ QSK_QT_PRIVATE_END
#define QSK_OBJECT_INFO 0
#if QSK_OBJECT_INFO
#include <qhash.h>
#include <qtimer.h>
#include <qset.h>
#endif
static inline bool qskIsItem( const QObject* object )
@ -37,15 +36,6 @@ static inline bool qskIsItem( const QObject* object )
namespace
{
#if QSK_OBJECT_INFO
class ObjectInfo
{
public:
QString name;
QString className;
};
#endif
class Counter
{
public:
@ -80,59 +70,13 @@ namespace
int maximum;
};
#if QSK_OBJECT_INFO
class InsertEvent : public QEvent
{
public:
static const auto type = static_cast< QEvent::Type >( QEvent::User + 1777 );
InsertEvent( const QObject* obj )
: QEvent( type )
, object( obj )
{
}
QPointer< const QObject > object;
};
#endif
class CounterData final : public QObject
{
public:
Counter counter[ 2 ];
#if QSK_OBJECT_INFO
void insertObjectInfo( const QObject* object )
{
// object is not fully constructed here
if ( qApp && object )
qApp->postEvent( this, new InsertEvent( object ) );
}
void removeObjectInfo( const QObject* object )
{
objectTable.remove( object );
}
QHash< const QObject*, ObjectInfo > objectTable;
protected:
bool event( QEvent *event ) override
{
if ( event->type() == InsertEvent::type )
{
auto ev = static_cast< const InsertEvent* >( event );
if ( const QObject* obj = ev->object )
{
objectTable.insert( obj,
{ obj->objectName(), obj->metaObject()->className() } );
}
}
return true;
}
QSet< const QObject* > objectTable;
#endif
};
@ -226,7 +170,7 @@ void CounterHook::addObject( QObject* object )
counterData->counter[ QskObjectCounter::Items ].increment();
#if QSK_OBJECT_INFO
counterData->insertObjectInfo( object );
counterData->objectTable.insert( object );
#endif
}
@ -246,7 +190,7 @@ void CounterHook::removeObject( QObject* object )
counterData->counter[ QskObjectCounter::Items ].decrement();
#if QSK_OBJECT_INFO
counterData->removeObjectInfo( object );
counterData->objectTable.remove( object );
#endif
}
@ -394,12 +338,11 @@ void QskObjectCounter::debugStatistics( QDebug debug, ObjectType objectType ) co
if ( !objectTable.isEmpty() )
{
debug << "\n\t=== Leaks ===\n";
for ( auto it = objectTable.constBegin(); it != objectTable.constEnd(); ++it )
for ( const auto object : objectTable )
{
const auto& info = it.value();
debug << "\tClass: " << info.className;
if ( !info.name.isEmpty() )
debug << " Name: " << info.name;
debug << "\tClass: " << object->metaObject()->className();
if ( !object->objectName().isEmpty() )
debug << " Name: " << object->objectName();
debug << '\n';
}
}