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Install init scripts to share/freem/examples/init and fix regression in method dispatch

/*
 *   $Id: symtab_dispatch.c,v 1.4 2025/03/27 03:27:35 snw Exp $
 *    symbol table dispatch module
 *
 *  
 *   Author: Serena Willis <snw@coherent-logic.com>
 *    Copyright (C) 1998 MUG Deutschland
 *    Copyright (C) 2020, 2025 Coherent Logic Development LLC
 *
 *
 *   This file is part of FreeM.
 *
 *   FreeM is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU Affero Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   FreeM is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU Affero Public License for more details.
 *
 *   You should have received a copy of the GNU Affero Public License
 *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
 *
 *   $Log: symtab_dispatch.c,v $
 *   Revision 1.4  2025/03/27 03:27:35  snw
 *   Install init scripts to share/freem/examples/init and fix regression in method dispatch
 *
 *   Revision 1.3  2025/03/09 19:50:47  snw
 *   Second phase of REUSE compliance and header reformat
 *
 *
 * SPDX-FileCopyrightText:  (C) 2025 Coherent Logic Development LLC
 * SPDX-License-Identifier: AGPL-3.0-or-later
 **/

#include <string.h>
#include <ctype.h>
#include "mpsdef.h"
#include "mref.h"
#include "objects.h"

void symtab (short action, char *key, char *data)
{
    register int i;
    register int j;
    char ch;

    short res;
    char obj_class[255];
    char t_rou[255];
    char t_cls[255];
    
    freem_ref_t rv;
    freem_ref_t *r = &rv;

    mref_init (r, MREF_RT_LOCAL, "");
    internal_to_mref (r, key);

    res = obj_is_object (r->name);    

    if (res == TRUE) {
        res = obj_get_attribute (r->name, "CLASS", obj_class);
        stcpy (t_rou, rou_name);
        stcnv_m2c (t_rou);
        strcpy (t_cls, &(obj_class[1]));
        
        if ((strcmp (t_rou, t_cls) != 0) && (obj_is_field_private (key) == TRUE)) {
            merr_raise (OBJFLDACCV);
            return;
        }        

        if (r->subscript_count == 0 && action == kill_sym) {
            
            if (destructor_ct < 10) {               
                snprintf (destructors[destructor_ct++], 50, "DESTROY^%%SYSOOP(\"%s\",.%s)", t_cls, r->name);
            }
            
            obj_destroy (key);
            
        }
        
    }    
    
    if (action != fra_order && action != fra_query) {
        for (i = 0; i < r->subscript_count; i++) {
            
            if (strlen (r->subscripts[i]) < 1) {
                merr_raise (SBSCR);
                return;
            }
            
        }
    }

    if (rtn_dialect () == D_M77) {

        for (i = 0; i < r->subscript_count; i++) {
            for (j = 0; j < strlen (r->subscripts[i]); j++) {

                ch = r->subscripts[i][j];

                if (!isdigit (ch)) {
                    merr_raise (NOSTAND);
                    return;
                }
                
            }
        }

    }

    symtab_bltin (action, key, data);
    
}