graphene/Pal/lib/assert.h

/*
 * assert.h
 *
 * Define a common interface for assertions that builds for both the PAL
 * and libOS.
 *
 */

#ifndef ASSERT_H
#define ASSERT_H

#include <stdnoreturn.h>

#define COMPILE_TIME_ASSERT(pred) \
    switch (0) {                  \
        case 0:                   \
        case (pred):;             \
    }

/* All environments should implement warn, which prints a non-optional debug
 * message. All environments should also implement __abort, which
 * terminates the process.
 */

void warn(const char* format, ...) __attribute__((format(printf, 1, 2)));
noreturn void __abort(void);

#define assert(test)                                                                       \
    ({                                                                                     \
        long _val = (long)(test);                                                          \
        (!(_val)) ? ({                                                                     \
            warn("assert failed " __FILE__ ":%d %s (value:%lx)\n", __LINE__, #test, _val); \
            __abort();                                                                     \
        })                                                                                 \
                  : (void)0;                                                               \
    })

#endif