/*
 * AnaGram, A System for Syntax Directed Programming
 * File generated by: ...
 *
 * AnaGram Parsing Engine
 * Copyright 1993-2002 Parsifal Software. All Rights Reserved.
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 */

#ifndef BGTAB2_H
#include "bgtab2.h"
#endif

#ifndef BGTAB2_H
#error Mismatched header file
#endif

#include <ctype.h>
#include <stdio.h>

#define RULE_CONTEXT (&((PCB).cs[(PCB).ssx]))
#define ERROR_CONTEXT ((PCB).cs[(PCB).error_frame_ssx])
#define CONTEXT ((PCB).cs[(PCB).ssx])



bgtab2_pcb_type bgtab2_pcb;
#define PCB bgtab2_pcb

#ifndef CONVERT_CASE
#define CONVERT_CASE(c) (c)
#endif
#ifndef TAB_SPACING
#define TAB_SPACING 8
#endif


#define READ_COUNTS 
#define WRITE_COUNTS 
#undef V
#define V(i,t) (*t (&(PCB).vs[(PCB).ssx + i]))
#undef VS
#define VS(i) (PCB).vs[(PCB).ssx + i]

#ifndef GET_CONTEXT
#define GET_CONTEXT CONTEXT = (PCB).input_context
#endif

typedef enum {
  ag_action_1,
  ag_action_2,
  ag_action_3,
  ag_action_4,
  ag_action_5,
  ag_action_6,
  ag_action_7,
  ag_action_8,
  ag_action_9,
  ag_action_10,
  ag_action_11,
  ag_action_12
} ag_parser_action;


#ifndef NULL_VALUE_INITIALIZER
#define NULL_VALUE_INITIALIZER = 0
#endif

static int const ag_null_value NULL_VALUE_INITIALIZER;

static const unsigned char ag_rpx[] = {
    0
};

static const unsigned char ag_key_itt[] = {
 0
};

static const unsigned short ag_key_pt[] = {
0
};

static const unsigned char ag_key_ch[] = {
    0, 40,255, 41,255
};

static const unsigned char ag_key_act[] = {
  0,0,4,0,4
};

static const unsigned char ag_key_parm[] = {
    0,  7,  0,  8,  0
};

static const unsigned char ag_key_jmp[] = {
    0,  0,  0,  0,  0
};

static const unsigned char ag_key_index[] = {
    1,  1,  0,  0,  1,  3
};

static const unsigned char ag_key_ends[] = {
  0
};
#define AG_TCV(x) (((x) > 0 && (x) <= 11) ? (x) : 0)
#ifndef SYNTAX_ERROR
#define SYNTAX_ERROR fprintf(stderr,"%s, line %d, column %d\n", \
  (PCB).error_message, (PCB).line, (PCB).column)
#endif

#ifndef FIRST_LINE
#define FIRST_LINE 1
#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


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;

#ifndef GET_INPUT
#define GET_INPUT ((PCB).input_code = getchar())
#endif


static int ag_look_ahead(void) {
  if ((PCB).rx < (PCB).fx) {
    return CONVERT_CASE((PCB).lab[(PCB).rx++]);
  }
  GET_INPUT;
  (PCB).fx++;
  return CONVERT_CASE((PCB).lab[(PCB).rx++] = (PCB).input_code);
}

static void ag_get_key_word(int ag_k) {
  int save_index = (PCB).rx;
  const  unsigned char *sp;
  int ag_ch;
  while (1) {
    switch (ag_key_act[ag_k]) {
    case ag_cf_end_key:
      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 + ag_look_ahead()]) goto ag_fail;
          (PCB).rx--;
          (PCB).token_number = (bgtab2_token_type) ag_key_pt[ag_k1 + 1];
          return;
        }
      } while (ag_look_ahead() == ag_ch);
      goto ag_fail;
    case ag_end_key:
      sp = ag_key_ends + ag_key_jmp[ag_k];
      do {
        if ((ag_ch = *sp++) == 0) {
          (PCB).token_number = (bgtab2_token_type) ag_key_parm[ag_k];
          return;
        }
      } while (ag_look_ahead() == ag_ch);
    case ag_no_match_key:
ag_fail:
      (PCB).rx = save_index;
      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 + (ag_ch = ag_look_ahead())]) break;
      save_index = --(PCB).rx;
      (PCB).token_number = (bgtab2_token_type) ag_key_pt[ag_k1+1];
      break;
    }
    case ag_set_key:
      save_index = (PCB).rx;
      (PCB).token_number = (bgtab2_token_type) ag_key_parm[ag_k];
    case ag_jmp_key:
      ag_k = ag_key_jmp[ag_k];
      ag_ch = ag_look_ahead();
      break;
    case ag_accept_key:
      (PCB).token_number =  (bgtab2_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 + ag_look_ahead()]) (PCB).rx = save_index;
      else {
        (PCB).rx--;
        (PCB).token_number =  (bgtab2_token_type) ag_key_pt[ag_k1+1];
      }
      return;
    }
    default:
      /* not reachable; here to suppress compiler warnings */
      goto ag_fail;
    }
    if (ag_ch <= 255) while (ag_key_ch[ag_k] < ag_ch) ag_k++;
    if (ag_ch > 255 || ag_key_ch[ag_k] != ag_ch) {
      (PCB).rx = save_index;
      return;
    }
  }
}


#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(void) {
  int ag_k = 0;
  while (ag_k < (PCB).rx) {
    int ag_ch = (PCB).lab[ag_k++];
    switch (ag_ch) {
    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++;
    }
  }
  ag_k = 0;
  while ((PCB).rx < (PCB).fx) (PCB).lab[ag_k++] = (PCB).lab[(PCB).rx++];
  (PCB).fx = ag_k;
  (PCB).rx = 0;
}


static void ag_prot(void) {
  int ag_k;
  ag_k = 128 - ++(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(void) {
  if ((PCB).drt == -1) return;
  while ((PCB).btsx) {
    int ag_k = 128 - (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 = (bgtab2_token_type) (PCB).drt;
  (PCB).ssx = (PCB).dssx;
  (PCB).sn = (PCB).dsn;
  (PCB).drt = -1;
}


static const unsigned char ag_tstt[] = {
9,7,0,1,2,4,
9,7,0,2,4,5,6,10,
3,0,
11,0,
9,7,0,2,4,
8,0,

};


static unsigned const char ag_astt[25] = {
  1,8,7,0,1,1,1,1,7,1,1,3,3,1,3,7,3,7,1,8,7,1,1,3,7
};


static const unsigned char ag_pstt[] = {
1,1,0,0,2,1,
1,4,1,3,1,2,2,3,
1,2,
7,3,
1,1,4,5,1,
4,5,

};


static const unsigned char ag_sbt[] = {
     0,   6,  14,  16,  18,  23,  25
};


static const unsigned char ag_sbe[] = {
     2,   8,  15,  17,  20,  24,  25
};


static const unsigned char ag_fl[] = {
  1,2,2,1,3,0,1,2,1
};

static const unsigned char ag_ptt[] = {
    0,  1,  2,  5,  5,  4,  4,  6, 10
};


static void ag_ra(void)
{
}

#define TOKEN_NAMES bgtab2_token_names
const char *const bgtab2_token_names[12] = {
  "grammar",
  "grammar",
  "Expression",
  "end",
  "option",
  "Primary",
  "Value",
  "\"(\"",
  "\")\"",
  "unary op",
  "ConstraintValue",
  "ValueAttributes",

};

#ifndef MISSING_FORMAT
#define MISSING_FORMAT "Missing %s"
#endif
#ifndef UNEXPECTED_FORMAT
#define UNEXPECTED_FORMAT "Unexpected %s"
#endif
#ifndef UNNAMED_TOKEN
#define UNNAMED_TOKEN "input"
#endif


static void ag_diagnose(void) {
  int ag_snd = (PCB).sn;
  const  char *ag_p;
  int ag_k = ag_sbt[ag_snd];

  if (*(ag_p = TOKEN_NAMES[ag_tstt[ag_k++]]) != 0 &&
            ag_astt[ag_k] == ag_action_8) {
    sprintf((PCB).ag_msg, MISSING_FORMAT, ag_p);
  }
  else if ((ag_k = (int) ag_sbe[(PCB).sn] + 1) == (int) ag_sbt[(PCB).sn+1] - 1
          && *TOKEN_NAMES[ag_tstt[ag_k]]) {
    sprintf((PCB).ag_msg, MISSING_FORMAT, TOKEN_NAMES[ag_tstt[ag_k]]);
  }
  else {
    ag_p = TOKEN_NAMES[(PCB).token_number];
    if ((PCB).token_number == 0 || *ag_p == 0) ag_p = UNNAMED_TOKEN;
    sprintf((PCB).ag_msg, UNEXPECTED_FORMAT, ag_p);

  }
  (PCB).error_message = (PCB).ag_msg;


}
static int ag_action_1_r_proc(void);
static int ag_action_2_r_proc(void);
static int ag_action_3_r_proc(void);
static int ag_action_4_r_proc(void);
static int ag_action_1_s_proc(void);
static int ag_action_3_s_proc(void);
static int ag_action_1_proc(void);
static int ag_action_2_proc(void);
static int ag_action_3_proc(void);
static int ag_action_4_proc(void);
static int ag_action_5_proc(void);
static int ag_action_6_proc(void);
static int ag_action_7_proc(void);
static int ag_action_8_proc(void);
static int ag_action_9_proc(void);
static int ag_action_10_proc(void);
static int ag_action_11_proc(void);
static int ag_action_8_proc(void);


static int (*const  ag_r_procs_scan[])(void) = {
  ag_action_1_r_proc,
  ag_action_2_r_proc,
  ag_action_3_r_proc,
  ag_action_4_r_proc
};

static int (*const  ag_s_procs_scan[])(void) = {
  ag_action_1_s_proc,
  ag_action_2_r_proc,
  ag_action_3_s_proc,
  ag_action_4_r_proc
};

static int (*const  ag_gt_procs_scan[])(void) = {
  ag_action_1_proc,
  ag_action_2_proc,
  ag_action_3_proc,
  ag_action_4_proc,
  ag_action_5_proc,
  ag_action_6_proc,
  ag_action_7_proc,
  ag_action_8_proc,
  ag_action_9_proc,
  ag_action_10_proc,
  ag_action_11_proc,
  ag_action_8_proc
};


static int ag_action_10_proc(void) {
  int ag_t = (PCB).token_number;
  (PCB).btsx = 0, (PCB).drt = -1;
  do {
    ag_track();
    if ((PCB).rx < (PCB).fx) {
      (PCB).input_code = (PCB).lab[(PCB).rx++];
      (PCB).token_number = (bgtab2_token_type) AG_TCV((PCB).input_code);}
    else {
      GET_INPUT;
      (PCB).lab[(PCB).fx++] = (PCB).input_code;
      (PCB).token_number = (bgtab2_token_type) AG_TCV((PCB).input_code);
      (PCB).rx++;
    }
    if (ag_key_index[(PCB).sn]) {
      unsigned ag_k = ag_key_index[(PCB).sn];
      int ag_ch = CONVERT_CASE((PCB).input_code);
      if (ag_ch < 255) {
        while (ag_key_ch[ag_k] < ag_ch) ag_k++;
        if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k);
      }
    }
  } while ((PCB).token_number == (bgtab2_token_type) ag_t);
  (PCB).rx = 0;
  return 1;
}

static int ag_action_11_proc(void) {
  int ag_t = (PCB).token_number;

  (PCB).btsx = 0, (PCB).drt = -1;
  do {
    (PCB).vs[(PCB).ssx] = *(PCB).lab;
    (PCB).ssx--;
    ag_track();
    ag_ra();
    if ((PCB).exit_flag != AG_RUNNING_CODE) return 0;
    (PCB).ssx++;
    if ((PCB).rx < (PCB).fx) {
      (PCB).input_code = (PCB).lab[(PCB).rx++];
      (PCB).token_number = (bgtab2_token_type) AG_TCV((PCB).input_code);}
    else {
      GET_INPUT;
      (PCB).lab[(PCB).fx++] = (PCB).input_code;
      (PCB).token_number = (bgtab2_token_type) AG_TCV((PCB).input_code);
      (PCB).rx++;
    }
    if (ag_key_index[(PCB).sn]) {
      unsigned ag_k = ag_key_index[(PCB).sn];
      int ag_ch = CONVERT_CASE((PCB).input_code);
      if (ag_ch < 255) {
        while (ag_key_ch[ag_k] < ag_ch) ag_k++;
        if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k);
      }
    }
  }
  while ((PCB).token_number == (bgtab2_token_type) ag_t);
  (PCB).rx = 0;
  return 1;
}

static int ag_action_3_r_proc(void) {
  int ag_sd = ag_fl[(PCB).ag_ap] - 1;
  if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd];
  (PCB).btsx = 0, (PCB).drt = -1;
  (PCB).reduction_token = (bgtab2_token_type) ag_ptt[(PCB).ag_ap];
  ag_ra();
  return (PCB).exit_flag == AG_RUNNING_CODE;
}

static int ag_action_3_s_proc(void) {
  int ag_sd = ag_fl[(PCB).ag_ap] - 1;
  if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd];
  (PCB).btsx = 0, (PCB).drt = -1;
  (PCB).reduction_token = (bgtab2_token_type) ag_ptt[(PCB).ag_ap];
  ag_ra();
  return (PCB).exit_flag == AG_RUNNING_CODE;
}

static int ag_action_4_r_proc(void) {
  int ag_sd = ag_fl[(PCB).ag_ap] - 1;
  if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd];
  (PCB).reduction_token = (bgtab2_token_type) ag_ptt[(PCB).ag_ap];
  return 1;
}

static int ag_action_2_proc(void) {
  (PCB).btsx = 0, (PCB).drt = -1;
  if ((PCB).ssx >= 128) {
    (PCB).exit_flag = AG_STACK_ERROR_CODE;
    PARSER_STACK_OVERFLOW;
  }
  (PCB).vs[(PCB).ssx] = *(PCB).lab;
  (PCB).ss[(PCB).ssx] = (PCB).sn;
  (PCB).ssx++;
  (PCB).sn = (PCB).ag_ap;
  ag_track();
  return 0;
}

static int ag_action_9_proc(void) {
  if ((PCB).drt == -1) {
    (PCB).drt=(PCB).token_number;
    (PCB).dssx=(PCB).ssx;
    (PCB).dsn=(PCB).sn;
  }
  ag_prot();
  (PCB).vs[(PCB).ssx] = ag_null_value;
  (PCB).ss[(PCB).ssx] = (PCB).sn;
  (PCB).ssx++;
  (PCB).sn = (PCB).ag_ap;
  (PCB).rx = 0;
  return (PCB).exit_flag == AG_RUNNING_CODE;
}

static int ag_action_2_r_proc(void) {
  (PCB).ssx++;
  (PCB).sn = (PCB).ag_ap;
  return 0;
}

static int ag_action_7_proc(void) {
  --(PCB).ssx;
  (PCB).rx = 0;
  (PCB).exit_flag = AG_SUCCESS_CODE;
  return 0;
}

static int ag_action_1_proc(void) {
  ag_track();
  (PCB).exit_flag = AG_SUCCESS_CODE;
  return 0;
}

static int ag_action_1_r_proc(void) {
  (PCB).exit_flag = AG_SUCCESS_CODE;
  return 0;
}

static int ag_action_1_s_proc(void) {
  (PCB).exit_flag = AG_SUCCESS_CODE;
  return 0;
}

static int ag_action_4_proc(void) {
  int ag_sd = ag_fl[(PCB).ag_ap] - 1;
  (PCB).reduction_token = (bgtab2_token_type) ag_ptt[(PCB).ag_ap];
  (PCB).btsx = 0, (PCB).drt = -1;
  (PCB).vs[(PCB).ssx] = *(PCB).lab;
  if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd];
  else (PCB).ss[(PCB).ssx] = (PCB).sn;
  ag_track();
  while ((PCB).exit_flag == AG_RUNNING_CODE) {
    unsigned ag_t1 = ag_sbe[(PCB).sn] + 1;
    unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1;
    do {
      unsigned ag_tx = (ag_t1 + ag_t2)/2;
      if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1;
      else ag_t2 = ag_tx;
    } while (ag_t1 < ag_t2);
    (PCB).ag_ap = ag_pstt[ag_t1];
    if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break;
  }
  return 0;
}

static int ag_action_3_proc(void) {
  int ag_sd = ag_fl[(PCB).ag_ap] - 1;
  (PCB).btsx = 0, (PCB).drt = -1;
  (PCB).vs[(PCB).ssx] = *(PCB).lab;
  if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd];
  else (PCB).ss[(PCB).ssx] = (PCB).sn;
  ag_track();
  (PCB).reduction_token = (bgtab2_token_type) ag_ptt[(PCB).ag_ap];
  ag_ra();
  while ((PCB).exit_flag == AG_RUNNING_CODE) {
    unsigned ag_t1 = ag_sbe[(PCB).sn] + 1;
    unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1;
    do {
      unsigned ag_tx = (ag_t1 + ag_t2)/2;
      if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1;
      else ag_t2 = ag_tx;
    } while (ag_t1 < ag_t2);
    (PCB).ag_ap = ag_pstt[ag_t1];
    if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break;
  }
  return 0;
}

static int ag_action_8_proc(void) {
  ag_undo();
  (PCB).rx = 0;
  (PCB).exit_flag = AG_SYNTAX_ERROR_CODE;
  ag_diagnose();
  SYNTAX_ERROR;
  {(PCB).rx = 1; ag_track();}
  return (PCB).exit_flag == AG_RUNNING_CODE;
}

static int ag_action_5_proc(void) {
  int ag_sd = ag_fl[(PCB).ag_ap];
  (PCB).btsx = 0, (PCB).drt = -1;
  if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd];
  else {
    (PCB).ss[(PCB).ssx] = (PCB).sn;
  }
  (PCB).rx = 0;
  (PCB).reduction_token = (bgtab2_token_type) ag_ptt[(PCB).ag_ap];
  ag_ra();
  while ((PCB).exit_flag == AG_RUNNING_CODE) {
    unsigned ag_t1 = ag_sbe[(PCB).sn] + 1;
    unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1;
    do {
      unsigned ag_tx = (ag_t1 + ag_t2)/2;
      if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1;
      else ag_t2 = ag_tx;
    } while (ag_t1 < ag_t2);
    (PCB).ag_ap = ag_pstt[ag_t1];
    if ((ag_r_procs_scan[ag_astt[ag_t1]])() == 0) break;
  }
  return (PCB).exit_flag == AG_RUNNING_CODE;
}

static int ag_action_6_proc(void) {
  int ag_sd = ag_fl[(PCB).ag_ap];
  (PCB).reduction_token = (bgtab2_token_type) ag_ptt[(PCB).ag_ap];
  if ((PCB).drt == -1) {
    (PCB).drt=(PCB).token_number;
    (PCB).dssx=(PCB).ssx;
    (PCB).dsn=(PCB).sn;
  }
  if (ag_sd) {
    (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd];
  }
  else {
    ag_prot();
    (PCB).vs[(PCB).ssx] = ag_null_value;
    (PCB).ss[(PCB).ssx] = (PCB).sn;
  }
  (PCB).rx = 0;
  while ((PCB).exit_flag == AG_RUNNING_CODE) {
    unsigned ag_t1 = ag_sbe[(PCB).sn] + 1;
    unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1;
    do {
      unsigned ag_tx = (ag_t1 + ag_t2)/2;
      if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1;
      else ag_t2 = ag_tx;
    } while (ag_t1 < ag_t2);
    (PCB).ag_ap = ag_pstt[ag_t1];
    if ((ag_r_procs_scan[ag_astt[ag_t1]])() == 0) break;
  }
  return (PCB).exit_flag == AG_RUNNING_CODE;
}


void init_bgtab2(void) {
  (PCB).rx = (PCB).fx = 0;
  (PCB).ss[0] = (PCB).sn = (PCB).ssx = 0;
  (PCB).exit_flag = AG_RUNNING_CODE;
  (PCB).line = FIRST_LINE;
  (PCB).column = FIRST_COLUMN;
  (PCB).btsx = 0, (PCB).drt = -1;
}

void bgtab2(void) {
  init_bgtab2();
  (PCB).exit_flag = AG_RUNNING_CODE;
  while ((PCB).exit_flag == AG_RUNNING_CODE) {
    unsigned ag_t1 = ag_sbt[(PCB).sn];
    if (ag_tstt[ag_t1]) {
      unsigned ag_t2 = ag_sbe[(PCB).sn] - 1;
      if ((PCB).rx < (PCB).fx) {
        (PCB).input_code = (PCB).lab[(PCB).rx++];
        (PCB).token_number = (bgtab2_token_type) AG_TCV((PCB).input_code);}
      else {
        GET_INPUT;
        (PCB).lab[(PCB).fx++] = (PCB).input_code;
        (PCB).token_number = (bgtab2_token_type) AG_TCV((PCB).input_code);
        (PCB).rx++;
      }
      if (ag_key_index[(PCB).sn]) {
        unsigned ag_k = ag_key_index[(PCB).sn];
        int ag_ch = CONVERT_CASE((PCB).input_code);
        if (ag_ch < 255) {
          while (ag_key_ch[ag_k] < ag_ch) ag_k++;
          if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k);
        }
      }
      do {
        unsigned ag_tx = (ag_t1 + ag_t2)/2;
        if (ag_tstt[ag_tx] > (unsigned char)(PCB).token_number)
          ag_t1 = ag_tx + 1;
        else ag_t2 = ag_tx;
      } while (ag_t1 < ag_t2);
      if (ag_tstt[ag_t1] != (unsigned char)(PCB).token_number)
        ag_t1 = ag_sbe[(PCB).sn];
    }
    (PCB).ag_ap = ag_pstt[ag_t1];
    (ag_gt_procs_scan[ag_astt[ag_t1]])();
  }
}



int main(void) {
  bgtab2();
  return 0;
}