/* dzl-debug.h.in
 *
 * Copyright (C) 2013-2017 Christian Hergert <christian@hergert.me>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef DZL_DEBUG_H
#define DZL_DEBUG_H

#include <glib.h>

G_BEGIN_DECLS

#ifndef DZL_ENABLE_TRACE
# define DZL_ENABLE_TRACE @ENABLE_TRACING@
#endif
#if DZL_ENABLE_TRACE != 1
# undef DZL_ENABLE_TRACE
#endif

/**
 * DZL_LOG_LEVEL_TRACE: (skip)
 */
#ifndef DZL_LOG_LEVEL_TRACE
# define DZL_LOG_LEVEL_TRACE ((GLogLevelFlags)(1 << G_LOG_LEVEL_USER_SHIFT))
#endif

#ifdef DZL_ENABLE_TRACE
# define DZL_TRACE_MSG(fmt, ...)                                         \
   g_log(G_LOG_DOMAIN, DZL_LOG_LEVEL_TRACE, "  MSG: %s():%d: " fmt,       \
         G_STRFUNC, __LINE__, ##__VA_ARGS__)
# define DZL_PROBE                                                       \
   g_log(G_LOG_DOMAIN, DZL_LOG_LEVEL_TRACE, "PROBE: %s():%d",            \
         G_STRFUNC, __LINE__)
# define DZL_TODO(_msg)                                                  \
   g_log(G_LOG_DOMAIN, DZL_LOG_LEVEL_TRACE, " TODO: %s():%d: %s",        \
         G_STRFUNC, __LINE__, _msg)
# define DZL_ENTRY                                                       \
   g_log(G_LOG_DOMAIN, DZL_LOG_LEVEL_TRACE, "ENTRY: %s():%d",            \
         G_STRFUNC, __LINE__)
# define DZL_EXIT                                                        \
   G_STMT_START {                                                        \
      g_log(G_LOG_DOMAIN, DZL_LOG_LEVEL_TRACE, " EXIT: %s():%d",         \
            G_STRFUNC, __LINE__);                                        \
      return;                                                            \
   } G_STMT_END
# define DZL_GOTO(_l)                                                    \
   G_STMT_START {                                                        \
      g_log(G_LOG_DOMAIN, DZL_LOG_LEVEL_TRACE, " GOTO: %s():%d ("#_l")", \
            G_STRFUNC, __LINE__);                                        \
      goto _l;                                                           \
   } G_STMT_END
# define DZL_RETURN(_r)                                                  \
   G_STMT_START {                                                        \
      g_log(G_LOG_DOMAIN, DZL_LOG_LEVEL_TRACE, " EXIT: %s():%d ",        \
            G_STRFUNC, __LINE__);                                        \
      return _r;                                                         \
   } G_STMT_END
#else
# define DZL_TODO(_msg)
# define DZL_PROBE
# define DZL_TRACE_MSG(fmt, ...)
# define DZL_ENTRY
# define DZL_GOTO(_l)   goto _l
# define DZL_EXIT       return
# define DZL_RETURN(_r) return _r
#endif

G_END_DECLS

#endif /* DZL_DEBUG_H */