lua的中文支持，修改了其中的语法分析器

相信各种大神喜欢利用中文来处理策划，为了方便各种策划童鞋来进行游戏策划，鉴于大家都是中国人，英语的程度和对游戏解释的程度都不如自己的母语，所以本人从各处学习找到了在最新版本中文的支持。

static int llex (LexState *ls, SemInfo *seminfo) {
  luaZ_resetbuffer(ls->buff);
  for (;;) {
    switch (ls->current) {
      case '\n': case '\r': {  /* line breaks */
        inclinenumber(ls);
        break;
      }
      case ' ': case '\f': case '\t': case '\v': {  /* spaces */
        next(ls);
        break;
      }
      case '-': {  /* '-' or '--' (comment) */
        next(ls);
        if (ls->current != '-') return '-';
        /* else is a comment */
        next(ls);
        if (ls->current == '[') {  /* long comment? */
          int sep = skip_sep(ls);
          luaZ_resetbuffer(ls->buff);  /* `skip_sep' may dirty the buffer */
          if (sep >= 0) {
            read_long_string(ls, NULL, sep);  /* skip long comment */
            luaZ_resetbuffer(ls->buff);  /* previous call may dirty the buff. */
            break;
          }
        }
        /* else short comment */
        while (!currIsNewline(ls) && ls->current != EOZ)
          next(ls);  /* skip until end of line (or end of file) */
        break;
      }
      case '[': {  /* long string or simply '[' */
        int sep = skip_sep(ls);
        if (sep >= 0) {
          read_long_string(ls, seminfo, sep);
          return TK_STRING;
        }
        else if (sep == -1) return '[';
        else lexerror(ls, "invalid long string delimiter", TK_STRING);
      }
      case '=': {
        next(ls);
        if (ls->current != '=') return '=';
        else { next(ls); return TK_EQ; }
      }
      case '<': {
        next(ls);
        if (ls->current != '=') return '<';
        else { next(ls); return TK_LE; }
      }
      case '>': {
        next(ls);
        if (ls->current != '=') return '>';
        else { next(ls); return TK_GE; }
      }
      case '~': {
        next(ls);
        if (ls->current != '=') return '~';
        else { next(ls); return TK_NE; }
      }
      case ':': {
        next(ls);
        if (ls->current != ':') return ':';
        else { next(ls); return TK_DBCOLON; }
      }
      case '"': case '\'': {  /* short literal strings */
        read_string(ls, ls->current, seminfo);
        return TK_STRING;
      }
      case '.': {  /* '.', '..', '...', or number */
        save_and_next(ls);
        if (check_next(ls, ".")) {
          if (check_next(ls, "."))
            return TK_DOTS;   /* '...' */
          else return TK_CONCAT;   /* '..' */
        }
        else if (!lisdigit(ls->current)) return '.';
        /* else go through */
      }
      case '0': case '1': case '2': case '3': case '4':
      case '5': case '6': case '7': case '8': case '9': {
        read_numeral(ls, seminfo);
        return TK_NUMBER;
      }
      case EOZ: {
        return TK_EOS;
      }
      default: {
        if (lislalpha(ls->current) || (ls->current > 0x80)) {  /* identifier or reserved word? */
          TString *ts;
		   do 
		   {
			   if(ls->current > 0x80)  
               {  
					save_and_next(ls);  
					save_and_next(ls);  
                }  
                else 
					save_and_next(ls);
				
			} while (lislalnum(ls->current) || ls->current > 0x80);  


          ts = luaX_newstring(ls, luaZ_buffer(ls->buff),
                                  luaZ_bufflen(ls->buff));
          seminfo->ts = ts;
          if (isreserved(ts))  /* reserved word? */
            return ts->tsv.extra - 1 + FIRST_RESERVED;
          else {
            return TK_NAME;
          }
        }
        else {  /* single-char tokens (+ - / ...) */
          int c = ls->current;
          next(ls);
          return c;
        }
      }
    }
  }
}

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