rvsdpprs.c

h.248协议源码

#endif

#ifndef FIRST_COLUMN
#define FIRST_COLUMN 1
#endif

#ifndef PARSER_STACK_OVERFLOW
#define PARSER_STACK_OVERFLOW {fprintf(stderr, \
   "\nParser stack overflow, line %d, column %d\n",\
   (PCB).line, (PCB).column);}
#endif

#ifndef REDUCTION_TOKEN_ERROR
#define REDUCTION_TOKEN_ERROR {fprintf(stderr, \
    "\nReduction token error, line %d, column %d\n", \
    (PCB).line, (PCB).column);}
#endif


#ifndef INPUT_CODE
#define INPUT_CODE(T) (T)
#endif

typedef enum
  {ag_accept_key, ag_set_key, ag_jmp_key, ag_end_key, ag_no_match_key,
   ag_cf_accept_key, ag_cf_set_key, ag_cf_end_key} key_words;

static void ag_get_key_word(PCB_DECL, int ag_k) {
  int ag_save = (int) ((PCB).la_ptr - (PCB).pointer);
  const  unsigned char *ag_p;
  int ag_ch;
  while (1) {
    switch (ag_key_act[ag_k]) {
    case ag_cf_end_key: {
      const  unsigned char *sp = ag_key_ends + ag_key_jmp[ag_k];
      do {
        if ((ag_ch = *sp++) == 0) {
          int ag_k1 = ag_key_parm[ag_k];
          int ag_k2 = ag_key_pt[ag_k1];
          if (ag_key_itt[ag_k2 + CONVERT_CASE(*(PCB).la_ptr)]) goto ag_fail;
          (PCB).token_number = (rvSdpParser_token_type) ag_key_pt[ag_k1 + 1];
          return;
        }
      } while (CONVERT_CASE(*(PCB).la_ptr++) == ag_ch);
      goto ag_fail;
    }
    case ag_end_key: {
      const  unsigned char *sp = ag_key_ends + ag_key_jmp[ag_k];
      do {
        if ((ag_ch = *sp++) == 0) {
          (PCB).token_number = (rvSdpParser_token_type) ag_key_parm[ag_k];
          return;
        }
      } while (CONVERT_CASE(*(PCB).la_ptr++) == ag_ch);
    }
    case ag_no_match_key:
ag_fail:
      (PCB).la_ptr = (PCB).pointer + ag_save;
      return;
    case ag_cf_set_key: {
      int ag_k1 = ag_key_parm[ag_k];
      int ag_k2 = ag_key_pt[ag_k1];
      ag_k = ag_key_jmp[ag_k];
      if (ag_key_itt[ag_k2 + CONVERT_CASE(*(PCB).la_ptr)]) break;
      ag_save = (int) ((PCB).la_ptr - (PCB).pointer);
      (PCB).token_number = (rvSdpParser_token_type) ag_key_pt[ag_k1+1];
      break;
    }
    case ag_set_key:
      ag_save = (int) ((PCB).la_ptr - (PCB).pointer);
      (PCB).token_number = (rvSdpParser_token_type) ag_key_parm[ag_k];
    case ag_jmp_key:
      ag_k = ag_key_jmp[ag_k];
      break;
    case ag_accept_key:
      (PCB).token_number = (rvSdpParser_token_type) ag_key_parm[ag_k];
      return;
    case ag_cf_accept_key: {
      int ag_k1 = ag_key_parm[ag_k];
      int ag_k2 = ag_key_pt[ag_k1];
      if (ag_key_itt[ag_k2 + CONVERT_CASE(*(PCB).la_ptr)])
        (PCB).la_ptr = (PCB).pointer + ag_save;
      else (PCB).token_number = (rvSdpParser_token_type) ag_key_pt[ag_k1+1];
      return;
    }
    }
    ag_ch = CONVERT_CASE(*(PCB).la_ptr++);
    ag_p = &ag_key_ch[ag_k];
    while (*ag_p < ag_ch) ag_p++;
    if (*ag_p != ag_ch) {
      (PCB).la_ptr = (PCB).pointer + ag_save;
      return;
    }
    ag_k = (int) (ag_p - ag_key_ch);
  }
}


#ifndef AG_NEWLINE
#define AG_NEWLINE 10
#endif

#ifndef AG_RETURN
#define AG_RETURN 13
#endif

#ifndef AG_FORMFEED
#define AG_FORMFEED 12
#endif

#ifndef AG_TABCHAR
#define AG_TABCHAR 9
#endif

static void ag_track(PCB_DECL) {
  int ag_k = (int) ((PCB).la_ptr - (PCB).pointer);
  while (ag_k--) {
    switch (*(PCB).pointer++) {
    case AG_NEWLINE:
      (PCB).column = 1, (PCB).line++;
    case AG_RETURN:
    case AG_FORMFEED:
      break;
    case AG_TABCHAR:
      (PCB).column += (TAB_SPACING) - ((PCB).column - 1) % (TAB_SPACING);
      break;
    default:
      (PCB).column++;
    }
  }
}


static void ag_prot(PCB_DECL) {
  int ag_k = 46 - ++(PCB).btsx;
  if (ag_k <= (PCB).ssx) {
    (PCB).exit_flag = AG_STACK_ERROR_CODE;
    PARSER_STACK_OVERFLOW;
    return;
  }
  (PCB).bts[(PCB).btsx] = (PCB).sn;
  (PCB).bts[ag_k] = (PCB).ssx;
  (PCB).vs[ag_k] = (PCB).vs[(PCB).ssx];
  (PCB).ss[ag_k] = (PCB).ss[(PCB).ssx];
}

static void ag_undo(PCB_DECL) {
  if ((PCB).drt == -1) return;
  while ((PCB).btsx) {
    int ag_k = 46 - (PCB).btsx;
    (PCB).sn = (PCB).bts[(PCB).btsx--];
    (PCB).ssx = (PCB).bts[ag_k];
    (PCB).vs[(PCB).ssx] = (PCB).vs[ag_k];
    (PCB).ss[(PCB).ssx] = (PCB).ss[ag_k];
  }
  (PCB).token_number = (rvSdpParser_token_type) (PCB).drt;
  (PCB).ssx = (PCB).dssx;
  (PCB).sn = (PCB).dsn;
  (PCB).drt = -1;
}


static const unsigned short ag_tstt[] = {
91,0,1,58,
48,0,47,
392,200,178,167,141,138,106,104,102,100,99,98,93,57,56,55,34,27,0,59,60,
403,15,13,12,11,10,9,0,17,92,
48,0,47,
392,200,178,167,141,138,106,104,102,100,99,98,57,56,55,34,27,0,61,62,
403,15,13,12,11,10,9,0,18,
392,27,0,30,31,32,
409,408,407,406,405,404,403,401,400,399,397,396,337,333,316,218,217,200,178,
  167,161,154,141,138,57,56,48,46,36,15,13,12,11,10,9,0,94,249,
48,0,47,
392,200,178,167,141,138,106,104,102,100,99,57,56,55,34,27,0,63,64,
403,15,13,12,11,10,9,0,
392,0,32,
409,408,407,406,405,404,403,401,400,399,397,396,337,333,316,218,217,200,178,
  167,161,154,141,138,57,56,48,46,36,15,13,12,11,10,9,0,
34,0,33,
411,410,409,408,407,406,405,404,403,402,401,400,399,398,397,396,395,394,393,
  337,333,316,218,217,200,178,167,161,154,141,138,57,56,48,46,44,42,40,38,
  36,34,15,13,12,11,10,9,0,2,3,5,
48,0,47,
392,200,178,167,141,138,106,104,102,100,57,56,55,34,27,0,65,66,
407,403,178,138,15,13,12,11,10,9,0,95,229,231,
411,410,409,408,407,406,405,404,403,402,401,400,399,398,397,396,395,394,393,
  337,333,316,218,217,200,178,167,161,154,141,138,57,56,48,46,44,42,40,38,
  36,34,15,13,12,11,10,9,0,
392,27,0,30,31,32,
411,410,409,408,407,406,405,404,403,402,401,400,399,398,397,396,395,394,393,
  337,333,316,218,217,200,178,167,161,154,141,138,57,56,48,46,44,42,40,38,
  36,34,15,13,12,11,10,9,0,2,3,5,
48,0,47,
392,200,178,167,141,138,106,104,102,57,56,55,34,27,0,67,68,69,70,
407,403,178,138,15,13,12,11,10,9,0,
34,0,33,
392,27,0,30,31,32,
408,407,337,200,178,167,161,154,141,138,0,101,287,293,
48,0,47,
102,0,67,68,
392,200,178,167,141,138,106,104,57,56,55,34,27,0,71,72,73,74,
403,15,13,12,11,10,9,0,18,96,232,
408,407,406,403,402,401,400,399,396,395,337,316,304,288,218,217,200,178,167,
  161,154,141,138,56,40,38,15,13,12,11,10,9,0,136,137,301,303,
288,0,
392,27,0,30,31,32,
411,409,408,407,406,405,404,403,401,400,399,398,397,396,395,394,337,333,316,
  282,218,217,200,178,167,161,154,141,138,57,56,48,46,36,34,15,13,12,11,
  10,9,0,19,25,103,250,251,254,265,266,
48,0,47,
104,0,71,72,
392,200,178,167,141,138,106,57,56,55,34,27,0,75,76,
403,15,13,12,11,10,9,0,
34,0,33,
407,403,178,138,15,13,12,11,10,9,0,
408,407,406,403,402,401,400,399,396,395,337,316,304,218,217,200,178,167,161,
  154,141,138,56,40,38,15,13,12,11,10,9,0,136,301,
408,407,406,403,402,401,400,399,396,395,392,337,316,304,297,295,290,218,217,
  200,178,167,161,154,141,138,56,40,38,27,15,13,12,11,10,9,0,136,289,294,
  296,301,305,306,
411,408,407,405,403,401,400,399,398,397,395,394,392,337,333,316,255,252,218,
  217,200,178,167,161,154,141,138,57,48,44,38,36,34,27,15,13,12,11,10,9,0,
  268,269,270,
411,409,408,407,406,405,404,403,402,401,400,399,398,397,395,394,393,337,333,
  316,282,280,218,217,200,178,167,161,154,141,138,57,56,48,46,44,42,40,38,
  36,34,15,13,12,11,10,9,0,273,283,284,286,
409,408,407,406,405,404,403,401,400,399,397,396,394,337,333,316,218,217,200,
  178,167,161,154,141,138,57,56,48,46,42,40,36,34,15,13,12,11,10,9,0,22,
  23,24,
255,252,0,256,257,258,
411,409,408,407,406,405,404,403,401,400,399,398,397,396,395,394,337,333,316,
  255,252,218,217,200,178,167,161,154,141,138,57,56,48,46,42,36,34,15,13,
  12,11,10,9,0,
252,0,
42,0,41,
38,0,37,
392,27,0,30,31,32,
409,408,407,406,405,404,403,401,400,399,397,396,394,337,333,316,297,218,217,
  200,178,167,161,154,141,138,57,56,48,46,36,34,15,13,12,11,10,9,0,19,25,
  105,307,
48,0,47,
392,200,178,167,141,138,57,56,55,34,27,0,77,78,
112,111,110,109,50,0,97,
407,403,178,138,15,13,12,11,10,9,0,
408,407,406,403,402,401,400,399,396,395,337,316,304,297,218,217,200,178,167,
  161,154,141,138,56,40,38,15,13,12,11,10,9,0,136,301,305,
295,0,
295,0,
392,290,27,0,292,
411,408,407,405,403,401,400,399,398,397,395,394,337,333,316,218,217,200,178,
  167,161,154,141,138,57,48,36,34,15,13,12,11,10,9,0,268,
411,410,409,408,407,406,405,404,403,402,401,400,399,398,397,396,395,394,393,
  392,337,333,316,218,217,200,178,167,161,154,141,138,57,56,48,46,44,42,
  40,38,36,34,27,15,13,12,11,10,9,0,
282,0,
409,408,407,406,405,404,403,401,400,399,397,396,394,337,333,316,218,217,200,
  178,167,161,154,141,138,57,56,48,46,36,34,15,13,12,11,10,9,0,22,
411,408,407,405,403,401,400,399,398,397,395,394,337,333,316,282,218,217,200,
  178,167,161,154,141,138,57,48,36,34,15,13,12,11,10,9,0,25,254,265,266,
255,0,256,
411,408,407,405,403,401,400,399,398,397,395,394,392,337,333,316,255,252,218,
  217,200,178,167,161,154,141,138,57,48,44,38,36,34,27,15,13,12,11,10,9,0,
  268,269,270,
409,408,407,406,405,404,403,401,400,399,397,396,394,337,333,316,218,217,200,
  178,167,161,154,141,138,57,56,48,46,42,40,36,34,15,13,12,11,10,9,0,22,
  23,24,
411,408,407,405,403,401,400,399,398,397,395,394,337,333,316,271,218,217,200,
  178,167,161,154,141,138,57,48,36,34,15,13,12,11,10,9,0,25,253,259,263,
  264,265,
411,408,407,405,403,401,400,399,398,397,395,394,337,333,316,282,218,217,200,
  178,167,161,154,141,138,57,48,36,34,15,13,12,11,10,9,0,25,250,251,254,
  265,266,
409,408,407,406,405,404,403,401,400,399,397,396,394,337,333,316,218,217,200,
  178,167,161,154,141,138,57,56,48,46,36,34,15,13,12,11,10,9,0,19,25,
409,408,407,406,405,404,403,401,400,399,397,396,394,337,333,316,218,217,200,
  178,167,161,154,141,138,57,56,48,46,36,34,15,13,12,11,10,9,0,
403,15,13,12,10,9,0,
42,0,41,
38,0,37,
392,27,0,30,31,32,
112,111,110,109,50,0,97,
48,0,47,
392,200,178,167,141,57,56,55,34,27,0,79,80,143,144,
34,0,33,
34,0,33,
34,0,33,
34,0,33,
34,0,33,
392,27,0,30,31,32,
408,407,406,403,402,401,400,399,396,395,392,337,316,304,297,295,290,218,217,
  200,178,167,161,154,141,138,56,40,38,27,15,13,12,11,10,9,0,136,289,294,
  296,301,305,306,
408,407,406,403,402,401,400,399,396,395,392,337,316,304,297,295,290,218,217,
  200,178,167,161,154,141,138,56,40,38,27,15,13,12,11,10,9,0,136,289,294,
  296,301,305,306,
408,407,406,403,402,401,400,399,396,395,337,316,304,218,217,200,178,167,161,
  154,141,138,56,40,38,15,13,12,11,10,9,0,136,137,291,301,
411,408,407,405,403,401,400,399,398,397,395,394,337,333,316,218,217,200,178,
  167,161,154,141,138,57,48,36,34,15,13,12,11,10,9,0,
411,408,407,406,405,404,403,402,401,400,399,398,397,396,395,394,393,337,333,
  316,280,277,218,217,200,178,167,161,154,141,138,57,56,48,46,44,42,40,38,
  36,34,15,13,12,11,10,9,0,272,273,274,275,276,279,
392,255,44,38,27,0,260,261,262,
44,0,43,
40,0,39,
403,392,50,44,38,34,27,15,13,12,11,10,9,0,308,309,310,
297,0,307,
409,408,407,406,405,404,403,401,400,399,397,396,394,337,333,316,218,217,200,
  178,167,161,154,141,138,57,56,48,46,36,34,15,13,12,11,10,9,0,19,25,
392,27,0,30,31,32,
408,407,403,337,333,218,200,178,167,161,154,141,138,15,13,12,11,10,9,0,139,
  227,228,
48,0,47,
392,200,178,167,161,141,57,56,55,34,27,0,143,145,146,
392,200,178,167,57,56,55,34,27,0,81,82,
119,117,115,113,109,50,0,107,
337,124,109,50,0,107,126,135,
122,120,109,50,0,107,
109,50,0,107,
109,50,0,107,
408,407,406,403,402,401,400,399,396,395,392,337,316,304,297,218,217,200,178,
  167,161,154,141,138,56,40,38,27,15,13,12,11,10,9,0,136,298,301,
411,408,407,406,405,404,403,402,401,400,399,398,397,396,395,394,393,337,333,
  316,280,218,217,200,178,167,161,154,141,138,57,56,48,46,44,42,40,38,36,
  34,15,13,12,11,10,9,0,272,273,274,279,
277,0,
411,408,407,405,403,401,400,399,398,397,395,394,337,333,316,271,218,217,200,
  178,167,161,154,141,138,57,48,36,34,15,13,12,11,10,9,0,25,259,263,264,