/*
 * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED 
 * All rights reserved.
 * 
 * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
 * non-exclusive and royalty-free license to use, copy, modify and
 * redistribute, solely for non-commercial and non-profit purposes, the
 * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
 * conditions of this Agreement. For the avoidance of doubt, you acquire
 * only a limited right to use the SOFTWARE hereunder, and FLL or any
 * third party developer retains all rights, including but not limited to
 * copyrights, in and to the SOFTWARE.
 * 
 * (1) FLL does not grant you a license in any way for commercial
 * purposes. You may use the SOFTWARE only for non-commercial and
 * non-profit purposes only, such as academic, research and internal
 * business use.
 * (2) The SOFTWARE is protected by the Copyright Law of Japan and
 * international copyright treaties. If you make copies of the SOFTWARE,
 * with or without modification, as permitted hereunder, you shall affix
 * to all such copies of the SOFTWARE the above copyright notice.
 * (3) An explicit reference to this SOFTWARE and its copyright owner
 * shall be made on your publication or presentation in any form of the
 * results obtained by use of the SOFTWARE.
 * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
 * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
 * for such modification or the source code of the modified part of the
 * SOFTWARE.
 * 
 * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
 * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
 * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
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 * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
 * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
 * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
 * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
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 * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
 * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
 *
 * $OpenXM: OpenXM_contrib2/asir2018/parse/struct.c,v 1.1 2018/09/19 05:45:08 noro Exp $
*/
#include "ca.h"
#include "parse.h"
#include "comp.h"

struct oSS oLSS;
SS LSS = &oLSS;

int structdef(char *name,NODE member)
{
  int i,j;
  SDEF sdef,s;
  NODE n;
  char *mname;

  /* search the predefined structure */
  for ( s = LSS->sa, i = 0; i < LSS->n; i++ )
    if ( !strcmp(s[i].name,name) ) {
      fprintf(stderr,"redeclaration of %s\n",name); break;
    }
  if ( !LSS->sa || ((i == LSS->n)&&(LSS->n==LSS->asize)) )
    asir_reallocarray((char **)&LSS->sa,(int *)&LSS->asize,(int *)&LSS->n,(int)sizeof(struct oSDEF));
  /* sdef = room for new structure definition */
  sdef = &LSS->sa[i];
  if ( i == LSS->n )
    LSS->n++;
  /* set the name of structure */
  sdef->name = (char *)MALLOC(strlen(name)+1);
  bcopy(name,sdef->name,strlen(name)+1);
  /* count the total number of members */
  for ( j = 0, n = member; n; n = NEXT(n), j++ );
  sdef->n = j;
  sdef->member = (char **)MALLOC(sdef->n*sizeof(char *));
  /* set the names of members */
  for ( j = 0, n = member; n; n = NEXT(n), j++ ) {
    mname = (char *)MALLOC(strlen((char *)BDY(n))+1);  
    bcopy((char *)BDY(n),mname,strlen((char *)BDY(n))+1);
    sdef->member[j] = mname;
  }
  return i;
}

void newstruct(int type,COMP *rp)
{
  if ( type < 0 || type >= LSS->n ) error("");
  NEWCOMP(*rp,LSS->sa[type].n); (*rp)->type = type;
}

int structtoindex(char *name)
{
  SDEF s;
  int i;

  for ( s = LSS->sa, i = 0; i < LSS->n; i++ )
    if ( !strcmp(s[i].name,name) )
      break;
  if ( i == LSS->n ) {
    fprintf(stderr,"%s: undefined structure\n",name); return -1; /* XXX */
  } else
    return i;
}

int membertoindex(int type,char *name)
{
  SDEF s;
  char **member;
  int i;

  s = &LSS->sa[type];
  for ( member = s->member, i = 0; i < s->n; i++ )
    if ( !strcmp(member[i],name) )
      break;
  if ( i == s->n )
    return -1;
  else
    return i;
}

int getcompsize(int type)
{
  return LSS->sa[type].n;
}

Obj memberofstruct(COMP a,char *name)
{
  int type,ind;
  char buf[BUFSIZ];

  if ( !a || OID(a) != O_COMP )
    error("object is not a structure");
  type = a->type;
  ind = membertoindex(type,name);
  if ( ind < 0 ) {
    sprintf(buf,"structure has no member named `%s'",name);
    error(buf);
  }
  return (Obj)a->member[ind];
}

void assign_to_member(COMP a,char *name,Obj obj)
{
  int type,ind;
  char buf[BUFSIZ];

  if ( !a || OID(a) != O_COMP )
    error("object is not a structure");
  type = a->type;
  ind = membertoindex(type,name);
  if ( ind < 0 ) {
    sprintf(buf,"structure has no member named `%s'",name);
    error(buf);
  }
  a->member[ind] = obj;
}