93 lines
3.0 KiB
C
93 lines
3.0 KiB
C
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/* ______ ___ ___
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* /\ _ \ /\_ \ /\_ \
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* \ \ \L\ \\//\ \ \//\ \ __ __ _ __ ___
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* \ \ __ \ \ \ \ \ \ \ /'__`\ /'_ `\/\`'__\/ __`\
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* \ \ \/\ \ \_\ \_ \_\ \_/\ __//\ \L\ \ \ \//\ \L\ \
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* \ \_\ \_\/\____\/\____\ \____\ \____ \ \_\\ \____/
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* \/_/\/_/\/____/\/____/\/____/\/___L\ \/_/ \/___/
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* /\____/
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* \_/__/
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*
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* Debug facilities.
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*
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* By Shawn Hargreaves.
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*
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* See readme.txt for copyright information.
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*/
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#ifndef __al_included_allegro5_debug_h
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#define __al_included_allegro5_debug_h
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#include <assert.h>
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#include "allegro5/base.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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AL_FUNC(bool, _al_trace_prefix, (char const *channel, int level,
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char const *file, int line, char const *function));
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AL_PRINTFUNC(void, _al_trace_suffix, (const char *msg, ...), 1, 2);
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#ifdef DEBUGMODE
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/* Must not be used with a trailing semicolon. */
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#ifdef ALLEGRO_GCC
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#define ALLEGRO_DEBUG_CHANNEL(x) \
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static char const *__al_debug_channel __attribute__((unused)) = x;
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#else
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#define ALLEGRO_DEBUG_CHANNEL(x) \
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static char const *__al_debug_channel = x;
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#endif
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#define ALLEGRO_TRACE_CHANNEL_LEVEL(channel, level) \
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!_al_trace_prefix(channel, level, __FILE__, __LINE__, __func__) \
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? (void)0 : _al_trace_suffix
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#else
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#define ALLEGRO_TRACE_CHANNEL_LEVEL(channel, x) 1 ? (void) 0 : _al_trace_suffix
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#define ALLEGRO_DEBUG_CHANNEL(x)
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#endif
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#define ALLEGRO_TRACE_LEVEL(x) ALLEGRO_TRACE_CHANNEL_LEVEL(__al_debug_channel, x)
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#define ALLEGRO_DEBUG ALLEGRO_TRACE_LEVEL(0)
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#define ALLEGRO_INFO ALLEGRO_TRACE_LEVEL(1)
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#define ALLEGRO_WARN ALLEGRO_TRACE_LEVEL(2)
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#define ALLEGRO_ERROR ALLEGRO_TRACE_LEVEL(3)
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/* Run-time assertions. */
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AL_FUNCPTR(void, _al_user_assert_handler, (char const *expr, char const *file,
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int line, char const *func));
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AL_FUNC(void, al_register_assert_handler, (void (*handler)(char const *expr,
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char const *file, int line, char const *func)));
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#ifdef NDEBUG
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#define ALLEGRO_ASSERT(e) ((void)(0 && (e)))
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#else
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#define ALLEGRO_ASSERT(e) \
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((e) ? (void) 0 \
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: (_al_user_assert_handler) ? \
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_al_user_assert_handler(#e, __FILE__, __LINE__, __func__) \
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: assert(e))
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#endif
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/* Compile time assertions. */
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#define ALLEGRO_ASSERT_CONCAT_(a, b) a##b
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#define ALLEGRO_ASSERT_CONCAT(a, b) ALLEGRO_ASSERT_CONCAT_(a, b)
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#define ALLEGRO_STATIC_ASSERT(module, e) \
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struct ALLEGRO_ASSERT_CONCAT(static_assert_##module##_line_, __LINE__) \
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{ unsigned int bf : !!(e); }
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/* We are lazy and use just ASSERT while Allegro itself is compiled. */
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#ifdef ALLEGRO_LIB_BUILD
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#define ASSERT(x) ALLEGRO_ASSERT(x)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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/* vim: set sts=3 sw=3 et: */
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