[DONTMERGE] Add debug tracers for TQFont and TQFontMetrics creation

Signed-off-by: Alexander Golubev <fatzer2@gmail.com>
fix/various
Alexander Golubev 2 months ago
parent 676000853b
commit 9a94c79bd4

@ -61,15 +61,82 @@
#include "qpainter_p.h" #include "qpainter_p.h"
#include "qtextengine_p.h" #include "qtextengine_p.h"
// #define TQFONTCACHE_DEBUG //#define TQFONTCACHE_DEBUG
#ifdef TQFONTCACHE_DEBUG #ifdef TQFONTCACHE_DEBUG
# define FC_DEBUG tqDebug # define FC_DEBUG tqDebug
#else #else
# define FC_DEBUG if (FALSE) tqDebug # define FC_DEBUG if (FALSE) tqDebug
#endif #endif
#include <execinfo.h>
template<class T>
class CreationTracerNoop {
public:
void newO(T* ) {}
void delO(T* ) {}
};
template<class T>
class CreationTracer {
struct TracerData {
char **bt;
int bt_sz;
};
typedef TQMap<T*, TracerData> MapType;
MapType aliveObj;
public:
void newO(T* o) {
const size_t buf_sz = 128;
void *buf[buf_sz];
int bt_sz = backtrace (buf, buf_sz);
aliveObj.insert(o, TracerData{backtrace_symbols(buf, bt_sz), bt_sz} );
}
void delO(T* o) {
auto it =aliveObj.find(o);
if(it!=aliveObj.end()) {
free(it.data().bt);
aliveObj.remove(it);
}
}
~CreationTracer() {
std::string fname = typeid(T).name();
fname.append("-undestroyed");
FILE *f = fopen(fname.c_str(), "w");
if(!f) {
return;
}
for(auto it = aliveObj.begin(), endIt = aliveObj.end(); it!=endIt; ++it) {
for(int i=0; i<it.data().bt_sz; ++i) {
fprintf(f, "%s\n", it.data().bt[i]);
}
fprintf(f, "\n");
free(it.data().bt);
}
fclose(f);
}
};
#define INIT_FIRST __attribute__ ((init_priority (101)))
//#define TQFONT_TRACE
//#define TQFONTMETRIC_TRACE
#ifdef TQFONT_TRACE
static CreationTracer<TQFont> INIT_FIRST TQFontTracer;
#else
static CreationTracerNoop<TQFont> TQFontTracer;
#endif // TQFONT_TRACE
#ifdef TQFONT_TRACE
static CreationTracer<TQFontMetrics> INIT_FIRST TQFontMetricsTracer;
#else
static CreationTracerNoop<TQFontMetrics> TQFontMetricsTracer;
#endif // TQFONT_TRACE
bool TQFontDef::operator==( const TQFontDef &other ) const bool TQFontDef::operator==( const TQFontDef &other ) const
{ {
@ -534,6 +601,7 @@ TQFontEngineData::~TQFontEngineData()
*/ */
TQFont::TQFont( TQFontPrivate *data, TQPaintDevice *pd ) TQFont::TQFont( TQFontPrivate *data, TQPaintDevice *pd )
{ {
TQFontTracer.newO(this);
d = new TQFontPrivate( *data ); d = new TQFontPrivate( *data );
TQ_CHECK_PTR( d ); TQ_CHECK_PTR( d );
d->paintdevice = pd; d->paintdevice = pd;
@ -578,6 +646,7 @@ void TQFont::detach()
*/ */
TQFont::TQFont() TQFont::TQFont()
{ {
TQFontTracer.newO(this);
const TQFont appfont = TQApplication::font(); const TQFont appfont = TQApplication::font();
d = appfont.d; d = appfont.d;
d->ref(); d->ref();
@ -602,6 +671,7 @@ TQFont::TQFont()
*/ */
TQFont::TQFont( const TQString &family, int pointSize, int weight, bool italic ) TQFont::TQFont( const TQString &family, int pointSize, int weight, bool italic )
{ {
TQFontTracer.newO(this);
d = new TQFontPrivate; d = new TQFontPrivate;
TQ_CHECK_PTR( d ); TQ_CHECK_PTR( d );
@ -632,6 +702,7 @@ TQFont::TQFont( const TQString &family, int pointSize, int weight, bool italic )
*/ */
TQFont::TQFont( const TQFont &font ) TQFont::TQFont( const TQFont &font )
{ {
TQFontTracer.newO(this);
d = font.d; d = font.d;
d->ref(); d->ref();
} }
@ -641,6 +712,7 @@ TQFont::TQFont( const TQFont &font )
*/ */
TQFont::~TQFont() TQFont::~TQFont()
{ {
TQFontTracer.delO(this);
if ( d->deref() ) if ( d->deref() )
delete d; delete d;
d = 0; d = 0;
@ -1893,6 +1965,7 @@ TQDataStream &operator>>( TQDataStream &s, TQFont &font )
TQFontMetrics::TQFontMetrics( const TQFont &font ) TQFontMetrics::TQFontMetrics( const TQFont &font )
: d( font.d ), painter( 0 ), fscript( TQFont::NoScript ) : d( font.d ), painter( 0 ), fscript( TQFont::NoScript )
{ {
TQFontMetricsTracer.newO(this);
d->ref(); d->ref();
} }
@ -1905,6 +1978,7 @@ TQFontMetrics::TQFontMetrics( const TQFont &font )
TQFontMetrics::TQFontMetrics( const TQFont &font, TQFont::Script script ) TQFontMetrics::TQFontMetrics( const TQFont &font, TQFont::Script script )
: d( font.d ), painter( 0 ), fscript( script ) : d( font.d ), painter( 0 ), fscript( script )
{ {
TQFontMetricsTracer.newO(this);
d->ref(); d->ref();
} }
@ -1915,6 +1989,7 @@ TQFontMetrics::TQFontMetrics( const TQFont &font, TQFont::Script script )
TQFontMetrics::TQFontMetrics( const TQPainter *p ) TQFontMetrics::TQFontMetrics( const TQPainter *p )
: painter ( (TQPainter *) p ), fscript( TQFont::NoScript ) : painter ( (TQPainter *) p ), fscript( TQFont::NoScript )
{ {
TQFontMetricsTracer.newO(this);
#if defined(CHECK_STATE) #if defined(CHECK_STATE)
if ( !painter->isActive() ) if ( !painter->isActive() )
tqWarning( "TQFontMetrics: Get font metrics between TQPainter::begin() " tqWarning( "TQFontMetrics: Get font metrics between TQPainter::begin() "
@ -1944,6 +2019,7 @@ TQFontMetrics::TQFontMetrics( const TQPainter *p )
TQFontMetrics::TQFontMetrics( const TQFontMetrics &fm ) TQFontMetrics::TQFontMetrics( const TQFontMetrics &fm )
: d( fm.d ), painter( 0 ), fscript( fm.fscript ) : d( fm.d ), painter( 0 ), fscript( fm.fscript )
{ {
TQFontMetricsTracer.newO(this);
d->ref(); d->ref();
} }
@ -1953,6 +2029,7 @@ TQFontMetrics::TQFontMetrics( const TQFontMetrics &fm )
*/ */
TQFontMetrics::~TQFontMetrics() TQFontMetrics::~TQFontMetrics()
{ {
TQFontMetricsTracer.delO(this);
if ( d->deref() ) if ( d->deref() )
delete d; delete d;
} }

@ -121,6 +121,9 @@ public:
TQFontEngineData(); TQFontEngineData();
~TQFontEngineData(); ~TQFontEngineData();
void ref(){TQShared::ref();}
bool deref(){return TQShared::deref();}
uint lineWidth; uint lineWidth;
#if defined(TQ_WS_X11) || defined(TQ_WS_WIN) #if defined(TQ_WS_X11) || defined(TQ_WS_WIN)
@ -147,6 +150,9 @@ public:
TQFontPrivate( const TQFontPrivate &other ); TQFontPrivate( const TQFontPrivate &other );
~TQFontPrivate(); ~TQFontPrivate();
void ref(){TQShared::ref();}
bool deref(){return TQShared::deref();}
void load( TQFont::Script script ); void load( TQFont::Script script );
TQFontEngine *engineForScript( TQFont::Script script ) const { TQFontEngine *engineForScript( TQFont::Script script ) const {
if ( script == TQFont::NoScript ) if ( script == TQFont::NoScript )

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