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Changed macros : QTOS->ZTOS, STOQ->STOZ etc.

/*
 * 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'
 * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
 * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
 * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
 * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
 * 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
 * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
 * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
 * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
 * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
 *
 * $OpenXM: OpenXM_contrib2/asir2018/builtin/var.c,v 1.2 2018/09/28 08:20:27 noro Exp $
*/
#include "ca.h"
#include "parse.h"

void Pvar(), Pvars(), Puc(), Pvars_recursive(),Psimple_is_eq();
void Pdelete_uc();

struct ftab var_tab[] = {
  {"var",Pvar,1},
  {"vars",Pvars,1},
  {"vars_recursive",Pvars_recursive,1},
  {"uc",Puc,0},
  {"delete_uc",Pdelete_uc,-1},
  {"simple_is_eq",Psimple_is_eq,2},
  {0,0,0},
};

void Psimple_is_eq(NODE arg,Z *rp)
{
  int ret;

  ret = is_eq(ARG0(arg),ARG1(arg));
  STOZ(ret,*rp);
}

int is_eq(Obj a0,Obj a1)
{
  P p0,p1;
  DCP dc0,dc1;

  if ( !a0 ) return a1?0:1;
  else if ( !a1 ) return 0;
  else if ( OID(a0) != OID(a1) ) return 0;
  else {
    switch ( OID(a0) ) {
      case O_P:
        p0 = (P)a0; p1 = (P)a1;
        if ( VR(p0) == VR(p1) ) {
          for ( dc0 = DC(p0), dc1 = DC(p1); dc0 && dc1; dc0 = NEXT(dc0), dc1 = NEXT(dc1) ) {
            if ( cmpz(DEG(dc0),DEG(dc1)) ) return 0;
            if ( !is_eq((Obj)COEF(dc0),(Obj)COEF(dc1)) ) return 0;
          }
          return (dc0||dc1)?0:1;
        } else return 0;
        break;
      default:
        return !arf_comp(CO,a0,a1);
        break;
    }
  }
}

void Pvar(NODE arg,Obj *rp)
{
  Obj t;
  P p;
  V vn,vd,v;
  VL vl;

  if ( !(t = (Obj)ARG0(arg)) )
    v = 0;
  else
    switch ( OID(t) ) {
      case O_P:
        v = VR((P)t); break;
      case O_R:
        vn = VR(NM((R)t)); vd = VR(DN((R)t));
        for ( vl = CO; (vl->v != vn) && (vl->v != vd); vl = NEXT(vl) );
        v = vl->v; break;
      default:
        v = 0; break;
    }
  if ( v ) {
    MKV(v,p); *rp = (Obj)p;
  } else
    *rp = 0;
}

void Pvars(NODE arg,LIST *rp)
{
  VL vl;
  NODE n,n0;
  P p;

  get_vars((Obj)ARG0(arg),&vl);
  for ( n0 = 0; vl; vl = NEXT(vl) ) {
    NEXTNODE(n0,n); MKV(vl->v,p); BDY(n) = (pointer)p;
  }
  if ( n0 )
    NEXT(n) = 0;
  MKLIST(*rp,n0);
}

void Pvars_recursive(NODE arg,LIST *rp)
{
  VL vl;
  NODE n,n0;
  P p;

  get_vars_recursive((Obj)ARG0(arg),&vl);
  for ( n0 = 0; vl; vl = NEXT(vl) ) {
    NEXTNODE(n0,n); MKV(vl->v,p); BDY(n) = (pointer)p;
  }
  if ( n0 )
    NEXT(n) = 0;
  MKLIST(*rp,n0);
}

void get_vars_recursive(Obj obj,VL *vlp)
{
  VL vl,vl0,vl1,vl2,t;
  PFINS ins;
  int argc,i;
  PFAD ad;

  get_vars(obj,&vl);
  vl0 = 0;
  for ( t = vl; t; t = NEXT(t) )
    if ( t->v->attr == (pointer)V_PF ) {
      ins = (PFINS)t->v->priv;
      argc = ins->pf->argc;
      ad = ins->ad;
      for ( i = 0; i < argc; i++ ) {
        get_vars_recursive(ad[i].arg,&vl1);
        mergev(CO,vl0,vl1,&vl2); vl0 = vl2;
      }
    }
  mergev(CO,vl,vl0,vlp);
}

void get_vars(Obj t,VL *vlp)
{
  pointer *vb;
  pointer **mb;
  VL vl,vl1,vl2;
  NODE n;
  MP mp;
  int i,j,row,col,len;

  if ( !t )
    vl = 0;
  else
    switch ( OID(t) ) {
      case O_P: case O_R:
        clctvr(CO,t,&vl); break;
      case O_VECT:
        len = ((VECT)t)->len; vb = BDY((VECT)t);
        for ( i = 0, vl = 0; i < len; i++ ) {
          get_vars((Obj)vb[i],&vl1); mergev(CO,vl,vl1,&vl2);
          vl = vl2;
        }
        break;
      case O_MAT:
        row = ((MAT)t)->row; col = ((MAT)t)->col; mb = BDY((MAT)t);
        for ( i = 0, vl = 0; i < row; i++ )
          for ( j = 0; j < col; j++ ) {
            get_vars((Obj)mb[i][j],&vl1); mergev(CO,vl,vl1,&vl2);
            vl = vl2;
          }
        break;
      case O_LIST:
        n = BDY((LIST)t);
        for ( vl = 0; n; n = NEXT(n) ) {
          get_vars((Obj)BDY(n),&vl1); mergev(CO,vl,vl1,&vl2);
          vl = vl2;
        }
        break;
      case O_DP:
        mp = ((DP)t)->body;
        for ( vl = 0; mp; mp = NEXT(mp) ) {
          get_vars((Obj)mp->c,&vl1); mergev(CO,vl,vl1,&vl2);
          vl = vl2;
        }
        break;
      case O_NBP:
        n = BDY((NBP)t);
        for ( vl = 0; n; n = NEXT(n) ) {
          get_vars((Obj)(((NBM)BDY(n))->c),&vl1); 
          mergev(CO,vl,vl1,&vl2);
          vl = vl2;
        }
        break;
      default:
        vl = 0; break;
    }
  *vlp = vl;
}

void Puc(Obj *p)
{
  VL vl;
  V v;
  P t;
  char buf[BUFSIZ];
  char *n,*nv;
  static int UCN;

  NEWV(v); v->attr = (pointer)V_UC;
  sprintf(buf,"_%d",UCN++);
  nv = NAME(v) = (char *)CALLOC(strlen(buf)+1,sizeof(char));
  strcpy(NAME(v),buf);
  for ( vl = CO; vl; vl = NEXT(vl) )
    if ( (n=NAME(VR(vl))) && !strcmp(n,nv) ) break;
    else if ( !NEXT(vl) ) {
      NEWVL(NEXT(vl)); VR(NEXT(vl)) = v; NEXT(NEXT(vl)) = 0;
      LASTCO = NEXT(vl);
      break;
    }
  MKV(v,t); *p = (Obj)t;
}

void Pdelete_uc(NODE arg,Obj *p)
{
  VL vl,prev;
  V v;

  if ( argc(arg) == 1 ) {
    asir_assert(ARG0(arg),O_P,"delete_uc");
    v = VR((P)ARG0(arg));
  } else
    v = 0;

  for ( prev = 0, vl = CO; vl; vl = NEXT(vl) ) {
    if ( (!v || v == vl->v) && vl->v->attr == (pointer)V_UC ) {
      if ( prev == 0 )
        CO = NEXT(vl); 
      else 
        NEXT(prev) = NEXT(vl);
    } else
      prev = vl;
  }
  update_LASTCO();
  *p = 0;
}