except.c

来自「关于图的深度搜索的C语言代码实现」· C语言 代码 · 共 38 行

#include <stdlib.h>
#include <stdio.h>
#include "assert.h"
#include "except.h"


#define T Except_T

#ifdef WIN32
        __declspec(thread)
#endif

Except_Frame *Except_stack = NULL;

void Except_raise(const T *e, const char *file, int line)
{
        Except_Frame *p = Except_stack;
        assert(e);
        if (p == NULL)
        {
                fprintf(stderr, "Uncaught exception");
                if (e->reason)
                        fprintf(stderr, " %s", e->reason);
                else
                        fprintf(stderr, " at 0x%p", e);
                if (file && line > 0)
                        fprintf(stderr, " raised at %s:%d\n", file, line);
                fprintf(stderr, "aborting...\n");
                fflush(stderr);
                abort();
        }
        p->exception = e;
        p->file = file;
        p->line = line;
        Except_stack = Except_stack->prev;
        longjmp(p->env, Except_raised );
}