except.h

Go to the documentation of this file.

/*
BSD 3-Clause License
 
Copyright (c) 2025, Szymon Turno
 
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
 
1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
 
2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.
 
3. Neither the name of the copyright holder nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.
 
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#ifndef ST_LOGGER_EXCEPT_H
#define ST_LOGGER_EXCEPT_H
 
#include "st/logger/trace.h"
#include "st/os/sys.h"
 
#ifndef ST_EXCEPTIONS_EN
 
#define ST_EXCEPTIONS_EN 0
 
#endif /* ST_EXCEPTIONS_EN */
 
#define ST_RAISE(lvl, e)                                                       \
        do {                                                                   \
                enum StTraceLvl _lvl = (lvl);                                  \
                                                                               \
                if (ST_ERROR == _lvl) {                                        \
                        ST_TRACE(                                              \
                                ST_ERROR, NULL, "%s:%d: %s", __FILE__,         \
                                __LINE__, st_except_##e.reason);               \
                        if (ST_EXCEPTIONS_EN)                                  \
                                st_except(                                     \
                                        st_except_##e.reason, __FILE__,        \
                                        __LINE__);                             \
                } else if (ST_WARNING == _lvl) {                               \
                        ST_TRACE(                                              \
                                ST_WARNING, NULL, "%s:%d: %s", __FILE__,       \
                                __LINE__, st_except_##e.reason);               \
                } else {                                                       \
                        ST_TRACE(                                              \
                                ST_ERROR, NULL, "%s:%d: %s", __FILE__,         \
                                __LINE__, st_except_not_supported.reason);     \
                }                                                              \
        } while (0)
 
#define ST_ENSURE(cond, lvl, e)                                                \
        do {                                                                   \
                if (!(cond)) {                                                 \
                        ST_RAISE(lvl, e);                                      \
                }                                                              \
        } while (0)
 
#define ST_ENSURE_MEM(ptr, lvl)                                                \
        do {                                                                   \
                if ((ptr) == NULL) {                                           \
                        ST_RAISE(lvl, null_param);                             \
                        return NULL;                                           \
                }                                                              \
        } while (0)
 
struct StException {
        const char* reason;
};
 
static const struct StException st_except_null_param 
        = {"Null param."};
 
static const struct StException st_except_alloc_fail 
        = {"Memory allocation failed."};
 
static const struct StException st_except_sem_fail 
        = {"Semaphore failure."};
 
static const struct StException st_except_mutex_fail 
        = {"Mutex failure."};
 
static const struct StException st_except_not_supported 
        = {"Not supported."};
 
static const struct StException st_except_sanity_fail 
        = {"Sanity check failed."};
 
#endif /* ST_LOGGER_EXCEPT_H */