src/COO_EXCEPTION.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008 by NalaGinrut   *
   3  *   suimualatsuki@163.com   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #ifndef COO_EXCEPTION
  22 #define COO_EXCEPTION
  23
  24 #include "my_types.h"
  25 #include <setjmp.h>
  26
  27 typedef enum ERRNUM
  28 {PTRNULL=0x123,} err_num;
  29
  30 err_num errnum;//±ãÓÚº¯Êý·µ»ØÖµ×÷Îª²Î¿¼£»
  31
  32 typedef struct EXCEPTION
  33   {
  34     UINT8 value;
  35     err_num num;
  36
  37
  38   }
  39 *Exception;
  40
  41
  42 //Exception Handle
  43 #define TRY     do{   Exception e;              \
  44                 e->value=setjmp(buf);           \
  45                 if(e->value!=OK) CACHE(e);      \
  46                 while(0);
  47
  48 #define EXPECT(expr,expect_value)               \
  49         do{      e->value=expr;                 \
  50         if(e != expect_value) longjmp(buf,e);   \
  51         else e=OK;                              \
  52         }while(0);
  53 static void inline CACHE(Exception e);
  54
  55 static void inline CACHE(Exception e)
  56 {
  57 }
  58
  59 #endif //END OF COO_EXCEPTION;