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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Inkscape::Debug::EventTracker - semi-automatically track event lifetimes
*
* Authors:
* MenTaLguY <mental@rydia.net>
*
* Copyright (C) 2005 MenTaLguY
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef SEEN_INKSCAPE_DEBUG_EVENT_TRACKER_H
#define SEEN_INKSCAPE_DEBUG_EVENT_TRACKER_H
#include "debug/logger.h"
namespace Inkscape {
namespace Debug {
#ifdef NDEBUG
// Make event tracking a no-op for non-debug builds
template <typename = void> struct EventTracker {
template <typename... Args> EventTracker(Args &&...) {}
template <typename, typename... Args> void set(Args &&...) {}
void clear() {}
};
#else
struct NoInitialEvent {};
template <typename Event=NoInitialEvent> class EventTracker;
class EventTrackerBase {
public:
virtual ~EventTrackerBase() {
if (_active) {
Logger::finish();
}
}
template <typename EventType>
inline void set() {
if (_active) {
Logger::finish();
}
Logger::start<EventType>();
_active = true;
}
template <typename EventType, typename A>
inline void set(A const &a) {
if (_active) {
Logger::finish();
}
Logger::start<EventType>(a);
_active = true;
}
template <typename EventType, typename A, typename B>
inline void set(A const &a, B const &b) {
if (_active) {
Logger::finish();
}
Logger::start<EventType>(a, b);
_active = true;
}
template <typename EventType, typename A, typename B, typename C>
inline void set(A const &a, B const &b, C const &c) {
if (_active) {
Logger::finish();
}
Logger::start<EventType>(a, b, c);
_active = true;
}
template <typename EventType, typename A, typename B,
typename C, typename D>
inline void set(A const &a, B const &b, C const &c, D const &d) {
if (_active) {
Logger::finish();
}
Logger::start<EventType>(a, b, c, d);
_active = true;
}
template <typename EventType, typename A, typename B, typename C,
typename D, typename E>
inline void set(A const &a, B const &b, C const &c, D const &d, E const &e)
{
if (_active) {
Logger::finish();
}
Logger::start<EventType>(a, b, c, d, e);
_active = true;
}
template <typename EventType, typename A, typename B, typename C,
typename D, typename E, typename F>
inline void set(A const &a, B const &b, C const &c,
D const &d, E const &e, F const &f)
{
if (_active) {
Logger::finish();
}
Logger::start<EventType>(a, b, c, d, e, f);
_active = true;
}
template <typename EventType, typename A, typename B, typename C,
typename D, typename E, typename F,
typename G>
inline void set(A const &a, B const &b, C const &c, D const &d,
E const &e, F const &f, G const &g)
{
if (_active) {
Logger::finish();
}
Logger::start<EventType>(a, b, c, d, e, f, g);
_active = true;
}
template <typename EventType, typename A, typename B, typename C,
typename D, typename E, typename F,
typename G, typename H>
inline void set(A const &a, B const &b, C const &c, D const &d,
E const &e, F const &f, G const &g, H const &h)
{
if (_active) {
Logger::finish();
}
Logger::start<EventType>(a, b, c, d, e, f, g, h);
_active = true;
}
void clear() {
if (_active) {
Logger::finish();
_active = false;
}
}
protected:
EventTrackerBase(bool active) : _active(active) {}
private:
EventTrackerBase(EventTrackerBase const &) = delete; // no copy
void operator=(EventTrackerBase const &) = delete; // no assign
bool _active;
};
template <typename EventType> class EventTracker : public EventTrackerBase {
public:
EventTracker() : EventTrackerBase(true) { Logger::start<EventType>(); }
template <typename A>
EventTracker(A const &a) : EventTrackerBase(true) {
Logger::start<EventType>(a);
}
template <typename A, typename B>
EventTracker(A const &a, B const &b) : EventTrackerBase(true) {
Logger::start<EventType>(a, b);
}
template <typename A, typename B, typename C>
EventTracker(A const &a, B const &b, C const &c) : EventTrackerBase(true) {
Logger::start<EventType>(a, b, c);
}
template <typename A, typename B, typename C, typename D>
EventTracker(A const &a, B const &b, C const &c, D const &d)
: EventTrackerBase(true)
{
Logger::start<EventType>(a, b, c, d);
}
template <typename A, typename B, typename C, typename D, typename E>
EventTracker(A const &a, B const &b, C const &c, D const &d, E const &e)
: EventTrackerBase(true)
{
Logger::start<EventType>(a, b, c, d, e);
}
template <typename A, typename B, typename C, typename D,
typename E, typename F>
EventTracker(A const &a, B const &b, C const &c, D const &d,
E const &e, F const &f)
: EventTrackerBase(true)
{
Logger::start<EventType>(a, b, c, d, e, f);
}
template <typename A, typename B, typename C, typename D,
typename E, typename F, typename G>
EventTracker(A const &a, B const &b, C const &c, D const &d,
E const &e, F const &f, G const &g)
: EventTrackerBase(true)
{
Logger::start<EventType>(a, b, c, d, e, f, g);
}
template <typename A, typename B, typename C, typename D,
typename E, typename F, typename G, typename H>
EventTracker(A const &a, B const &b, C const &c, D const &d,
E const &e, F const &f, G const &g, H const &h)
: EventTrackerBase(true)
{
Logger::start<EventType>(a, b, c, d, e, f, g, h);
}
};
template <> class EventTracker<NoInitialEvent> : public EventTrackerBase {
public:
EventTracker() : EventTrackerBase(false) {}
};
#endif
}
}
#endif
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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