/* This file was automatically generated by pclu.*/

#include "pclu_err.h"
#include "pclu_sys.h"


extern errcode _bytevecOPindexc();
extern errcode intOPadd();
extern errcode intOPequal();
extern errcode intOPgt();
extern errcode _bytevecOPfetch();
extern errcode _chanOPgetb();
extern errcode boolOPnot();
extern errcode charOPequal();
extern errcode intOPsub();
extern errcode _bytevecOPmove_lr();
extern errcode _chanOPgetbv();
extern errcode _bytevecOPsize();

/**** BEGIN PROCEDURE _skip_fill ****/

errcode _skip_fill(b, max, c, term, ret_1)
CLUREF b;
CLUREF max;
CLUREF c;
CLUREF term;
CLUREF *ret_1;
    {
    errcode err;
    errcode ecode2;
    CLUREF i;
    CLUREF last;
    enter_proc(3);

  LINE(5);
    {
        {i.num = 0;
        }
        }

  LINE(6);
    {
        {CLUREF T_1_1;
        T_1_1.ch = ' ';
        last.num = T_1_1.num;
        }
        }

  LINE(7);
    for (;;) {
        if (true != true) { break; }

  LINE(8);
        {
        CLUREF T_2_1;
        CLUREF T_2_2;
        T_2_1.num = i.num + 1;
         if ((T_2_1.num > 0 && i.num < 0 && 1 < 0) || 
             (T_2_1.num < 0 && i.num > 0 && 1 > 0)) {
            err = ERR_overflow;
            goto ex_0;}
        err = _bytevecOPindexc(term, b, T_2_1, &T_2_2);
        if (err != ERR_ok) goto ex_0;
        i.num = T_2_2.num;
        }

  LINE(9);
        {
        CLUREF T_2_1;
        CLUREF T_2_2;
        CLUREF T_2_3;
        T_2_2.num = (i.num == 0)? true : false;
        T_2_1.num = T_2_2.num;
        if (!T_2_2.num) {
            T_2_3.num = (i.num > max.num)? true : false;
            T_2_1.num = T_2_3.num;
        }
        if (T_2_1.num == true) {

  LINE(10);
            {
            CLUREF T_3_1;
            if (max.num < 1 || max.num > b.str->size ) {
                err = ERR_bounds;
                goto ex_0;}
            T_3_1.ch = b.str->data[max.num - 1];
            last.num = T_3_1.num;
            }

  LINE(11);
            {
            CLUREF T_4_1;
            err = _chanOPgetb(c, b, &T_4_1);
            if (err != ERR_ok) goto ex_1;
            max.num = T_4_1.num;
            }
            goto end_1;
            ex_1:
                if (err == ERR_end_of_file) {signal(ERR_end_of_file);}
                else {
                    goto ex_0;}
            end_1:;
            }
        else {
        CLUREF T_2_4;
        T_2_4.num = (i.num == 1)? true : false;
        if (T_2_4.num == true) {

  LINE(14);
            {
            CLUREF T_3_1;
            CLUREF T_3_2;
            CLUREF T_3_3;
            T_3_1.ch = '\\';
            T_3_2.num = (last.ch == T_3_1.ch)? true : false;
            T_3_3.num = T_3_2.num ^ 1;
            if (T_3_3.num == true) {

  LINE(15);
                goto end_while_1;
                }
                }/* end if */
            }
        else {
        CLUREF T_2_5;
        CLUREF T_2_6;
        CLUREF T_2_7;
        CLUREF T_2_8;
        CLUREF T_2_9;
        T_2_5.num = i.num - 1;
         if ((T_2_5.num >= 0 && i.num < 0 && (-1) < 0) || 
             (T_2_5.num <= 0 && i.num > 0 && (-1) > 0)) {
            err = ERR_overflow;
            goto ex_0;}
        if (T_2_5.num < 1 || T_2_5.num > b.str->size ) {
            err = ERR_bounds;
            goto ex_0;}
        T_2_6.ch = b.str->data[T_2_5.num - 1];
        T_2_7.ch = '\\';
        T_2_8.num = (T_2_6.ch == T_2_7.ch)? true : false;
        T_2_9.num = T_2_8.num ^ 1;
        if (T_2_9.num == true) {

  LINE(17);
            goto end_while_1;
            }
            }}}/* end if */
        }
        end_while_1:;

  LINE(19);
    {
    CLUREF T_1_1;
    T_1_1.num = max.num - i.num;
     if ((T_1_1.num >= 0 && max.num < 0 && (-i.num) < 0) || 
         (T_1_1.num <= 0 && max.num > 0 && (-i.num) > 0)) {
        err = ERR_overflow;
        goto ex_0;}
    max.num = T_1_1.num;
    }

  LINE(20);
    {
    CLUREF T_1_1;
    T_1_1.num = i.num + 1;
     if ((T_1_1.num > 0 && i.num < 0 && 1 < 0) || 
         (T_1_1.num < 0 && i.num > 0 && 1 > 0)) {
        err = ERR_overflow;
        goto ex_0;}
    err = _bytevecOPmove_lr(b, T_1_1, b, CLU_1, max);
    if (err != ERR_ok) goto ex_0;
    }

  LINE(21);
    {
    CLUREF T_2_1;
    CLUREF T_2_2;
    CLUREF T_2_3;
    CLUREF T_2_4;
    T_2_1.num = max.num + 1;
     if ((T_2_1.num > 0 && max.num < 0 && 1 < 0) || 
         (T_2_1.num < 0 && max.num > 0 && 1 > 0)) {
        err = ERR_overflow;
        goto ex_2;}
    err = _bytevecOPsize(b, &T_2_2);
    if (err != ERR_ok) goto ex_2;
    err = _chanOPgetbv(c, b, T_2_1, T_2_2, &T_2_3);
    if (err != ERR_ok) goto ex_2;
    T_2_4.num = max.num + T_2_3.num;
     if ((T_2_4.num > 0 && max.num < 0 && T_2_3.num < 0) || 
         (T_2_4.num < 0 && max.num > 0 && T_2_3.num > 0)) {
        err = ERR_overflow;
        goto ex_2;}
    max.num = T_2_4.num;
    }
        goto end_2;
        ex_2:
            if ((err == ERR_end_of_file)) {

  LINE(23);
                {
                CLUREF T_2_1;
                T_2_1.num = (max.num == 0)? true : false;
                if (T_2_1.num == true) {

  LINE(24);
                    {
                    {signal (ERR_end_of_file);}}
                    }
                    }/* end if */
            }
            else {
                goto ex_0;
            }
        end_2:;

  LINE(26);
    {
    {
    ret_1->num = max.num;
    }
    {signal (ERR_ok);}}
    goto end_0;
    ex_0:
        {
            if (err == ERR_failure) {signal(ERR_failure);}
            elist[0] = _pclu_erstr(err);
            {signal(ERR_failure);}
        }
    end_0: elist[0].str = no_return_values_STRING;
        {signal(ERR_failure);}
    }

/**** END PROCEDURE _skip_fill ****/