/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set et sw=2 ts=2: */
/***************************************************************************
 *            debug.h
 *
 *  Wed Feb 11 11:22:12 CET 2009
 *  Copyright 2009 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This file is part of Pracro.
 *
 *  Pracro 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 2 of the License, or
 *  (at your option) any later version.
 *
 *  Pentominos 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 Pentominos; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#ifndef __PENTOMINOS_DEBUG_H__
#define __PENTOMINOS_DEBUG_H__

#include <stdarg.h>
#include <stdio.h>

#ifdef HAVE_CONFIG_H
// For USE_EFENCE
#include <config.h>
#ifdef USE_EFENCE
#include <new>
#include <stdlib.h>
#include <efencepp.h>
#include <efence.h>

// Lazy static alocations makes efence freak out.
// Use this to use hardcoded values instead.
// Currently it disables:
// - gethostbyname
// - getsockname
// - getpeername
// - iconv
//#define BYPASS_STATICALLOCATIONS

#endif/*USE_EFENCE*/
#endif/*HAVE_CONFIG*/

void debug_init(FILE *fp);
void debug_reinit(const char *file);
void debug_parse(const char *fmt);

enum __debug_class
{
	__class_fixme = 0,
	__class_err = 1,
	__class_warn = 2,
	__class_info = 3,
	__class_debug = 4
};

#ifdef WITH_DEBUG
int __debug(const char *func, const int line, enum __debug_class cl,
            const char *ch, const char *fmt, ...)
  __attribute__((format (printf,5,6)));

int __debug_va(const char *func, const int line, enum __debug_class cl,
               const char *ch, const char *fmt, va_list va);

#define __DEBUG_PRINT(cl, ch, fmt...)	\
	do { __debug(__func__, __LINE__, cl, ch, fmt); } while(0)
#define __DEBUG_PRINT_VA(cl, ch, fmt, a)	\
	do { __debug_va(__func__, __LINE__, cl, ch, fmt, a); } while(0)
#define __DEBUG(cl, ch, fmt...) \
	__DEBUG_PRINT(__class##cl, #ch, fmt)
#define __DEBUG_VA(cl, ch, fmt, a) \
  __DEBUG_PRINT_VA(__class##cl, #ch, fmt, a)

#define FIXME(ch, fmt...) __DEBUG(_fixme, ch, fmt)
#define ERR(ch, fmt...) __DEBUG(_err, ch, fmt)
#define WARN(ch, fmt...) __DEBUG(_warn, ch, fmt)
#define INFO(ch, fmt...) __DEBUG(_info, ch, fmt)
#define DEBUG(ch, fmt...) __DEBUG(_debug, ch, fmt)

#define FIXME_VA(ch, fmt, a) __DEBUG_VA(_fixme, ch, fmt, a)
#define ERR_VA(ch, fmt, a) __DEBUG_VA(_err, ch, fmt, a)
#define WARN_VA(ch, fmt, a) __DEBUG_VA(_warn, ch, fmt, a)
#define INFO_VA(ch, fmt, a) __DEBUG_VA(_info, ch, fmt, a)
#define DEBUG_VA(ch, fmt, a) __DEBUG_VA(_debug, ch, fmt, a)

#else

// If we compile without debug support, we want them all to go away
#define FIXME(ch, fmt...)
#define INFO(ch, fmt...)
#define WARN(ch, fmt...)
#define ERR(ch, fmt...)
#define DEBUG(ch, fmt...)
#define FIXME_VA(ch, fmt...)
#define INFO_VA(ch, fmt...)
#define WARN_VA(ch, fmt...)
#define ERR_VA(ch, fmt...)
#define DEBUG_VA(ch, fmt...)

#endif/*WITH_DEBUG*/

int __log(const char *func, const int line,
          enum __debug_class cl, const char *ch, const char *fmt, ...)
  __attribute__((format (printf,5,6)));

int __log_va(const char *func, const int line, enum __debug_class cl,
             const char *ch, const char *fmt, va_list va);

#define __LOG_PRINT(cl, ch, fmt...) \
  do { __log(__func__, __LINE__, cl, ch, fmt); } while(0)
#define __LOG_PRINT_VA(cl, ch, fmt, a) \
  do { __log_va(__func__, __LINE__, cl, ch, fmt, a); } while(0)
#define __LOG(cl, ch, fmt...) __LOG_PRINT(__class##cl, #ch, fmt)
#define __LOG_VA(cl, ch, fmt, a) __LOG_PRINT_VA(__class##cl, #ch, fmt, a)

#define INFO_LOG(ch, fmt...) __LOG(_info, ch, fmt)
#define WARN_LOG(ch, fmt...) __LOG(_warn, ch, fmt)
#define ERR_LOG(ch, fmt...) __LOG(_err, ch, fmt)
#define INFO_LOG_VA(ch, fmt, a) __LOG_VA(_info, ch, fmt, a)
#define WARN_LOG_VA(ch, fmt, a) __LOG_VA(_warn, ch, fmt, a)
#define ERR_LOG_VA(ch, fmt, a) __LOG_VA(_err, ch, fmt, a)

#endif/*__PENTOMINOS_DEBUG_H__*/