sleftv Class Reference

Class used for (list of) interpreter objects. More...

#include <subexpr.h>

Public Member Functions
void	Init ()
void	CleanUp (ring r=currRing)
void	Print (leftv store=NULL, int spaces=0)
	Called by type_cmd (e.g. "r;") or as default in jPRINT.
char *	String (void *d=NULL, BOOLEAN typed=FALSE, int dim=1)
	Called for conversion to string (used by string(..), write(..),..)
void	Copy (leftv e)
attr	CopyA ()
void *	CopyD (int t)
void *	CopyD ()
const char *	Name ()
const char *	Fullname ()
int	Typ ()
int	LTyp ()
void *	Data ()
leftv	LData ()
attr *	Attribute ()
leftv	Next ()
int	listLength ()
int	Eval ()
BOOLEAN	RingDependend ()

Data Fields
leftv	next
const char *	name
void *	data
attr	attribute
BITSET	flag
int	rtyp
Subexpr	e
package	req_packhdl

Detailed Description

Class used for (list of) interpreter objects.

Definition at line 82 of file subexpr.h.

Member Function Documentation

Attribute()

attr * sleftv::Attribute

(

)

Definition at line 1504 of file subexpr.cc.

{
  if (e==NULL) return &attribute;
  if ((rtyp==LIST_CMD)
  ||((rtyp==IDHDL)&&(IDTYP((idhdl)data)==LIST_CMD))
  || (rtyp>MAX_TOK)
  || ((rtyp==IDHDL)&&(IDTYP((idhdl)data)>MAX_TOK)))
  {
    leftv v=LData();
    return &(v->attribute);
  }
  return NULL;
}

CleanUp()

void sleftv::CleanUp

(

ring

r = currRing

)

Definition at line 349 of file subexpr.cc.

{
  if (rtyp!=IDHDL)
  {
    if ((name!=NULL) && (name!=sNoName_fe) && (rtyp!=ALIAS_CMD))
    {
      //::Print("free %x (%s)\n",name,name);
      omFree((ADDRESS)name); // may be larger >1000 char (large int)
    }
    //name=NULL;
    //flag=0;
    if (data!=NULL)
    {
      //if (rtyp==IDHDL) attribute=NULL; // is only a pointer to attribute of id
      s_internalDelete(rtyp,data,r);
      //data=NULL; // will be done by Init() at the end
    }
    if (attribute!=NULL)
    {
      switch (rtyp)
      {
        case PACKAGE_CMD:
        //case IDHDL:
        case ANY_TYPE:
        case VECHO:
        case VPRINTLEVEL:
        case VCOLMAX:
        case VTIMER:
        case VRTIMER:
        case VOICE:
        case VMAXDEG:
        case VMAXMULT:
        case TRACE:
        case VSHORTOUT:
        case VNOETHER:
        case VMINPOLY:
        case 0:
          //attribute=NULL; // will be done by Init() at the end
          break;
        default:
        {
          attribute->killAll(r);
        }
      }
    }
  }
  Subexpr h;
  while (e!=NULL)
  {
    h=e->next;
    omFreeBin((ADDRESS)e, sSubexpr_bin);
    e=h;
  }
  //rtyp=NONE; // will be done by Init() at the end
  if (next!=NULL)
  {
    leftv tmp_n;
    do
    {
      tmp_n=next->next;
      //next->name=NULL;
      next->next=NULL;
      next->CleanUp(r);
      omFreeBin((ADDRESS)next, sleftv_bin);
      next=tmp_n;
    } while (next!=NULL);
  }
  Init();
}

Copy()

void sleftv::Copy

(

leftv

e

)

Definition at line 688 of file subexpr.cc.

{
  Init();
  rtyp=source->Typ();
  void *d=source->Data();
  if(!errorreported)
  {
    if (rtyp==BUCKET_CMD)
    {
      rtyp=POLY_CMD;
      data=(void*)pCopy(sBucketPeek((sBucket_pt)d));
    }
    else
      data=s_internalCopy(rtyp,d);
    if ((source->attribute!=NULL)||(source->e!=NULL))
      attribute=source->CopyA();
    flag=source->flag;
    if (source->next!=NULL)
    {
      next=(leftv)omAllocBin(sleftv_bin);
      next->Copy(source->next);
    }
  }
}

CopyA()

attr sleftv::CopyA

(

)

Definition at line 756 of file subexpr.cc.

{
  attr *a=Attribute();
  if ((a!=NULL) && (*a!=NULL))
    return (*a)->Copy();
  return NULL;
}

CopyD() [1/2]

void * sleftv::CopyD ( )

inline

Definition at line 119 of file subexpr.h.

{ return CopyD(Typ()); }

CopyD() [2/2]

void * sleftv::CopyD

(

int

t

)

Definition at line 713 of file subexpr.cc.

{
  if (Sy_inset(FLAG_OTHER_RING,flag))
  {
     flag&=~Sy_bit(FLAG_OTHER_RING);
     WerrorS("object from another ring");
     return NULL;
  }
 
  if ((rtyp!=IDHDL)&&(rtyp!=ALIAS_CMD)&&(e==NULL))
  {
    if (iiCheckRing(t)) return NULL;
    void *x = data;
    if (rtyp==VNOETHER) x = (void *)pCopy((currRing->ppNoether));
    else if ((rtyp==VMINPOLY) && nCoeff_is_algExt(currRing->cf) && (!nCoeff_is_GF(currRing->cf)))
    {
      const ring A = currRing->cf->extRing;
 
      assume( A != NULL );
      assume( A->qideal != NULL );
 
      x=(void *)p_Copy(A->qideal->m[0], A);
    }
    data=NULL;
    return x;
  }
  void *d=Data(); // will also do a iiCheckRing
  if ((!errorreported) && (d!=NULL)) return s_internalCopy(t,d);
  return NULL;
}

Data()

void * sleftv::Data

(

)

Definition at line 1191 of file subexpr.cc.

{
  if ((rtyp!=IDHDL) && iiCheckRing(rtyp))
     return NULL;
  if (Sy_inset(FLAG_OTHER_RING,flag))
  {
     flag&=~Sy_bit(FLAG_OTHER_RING);
     WerrorS("object from another ring");
     return NULL;
  }
  if (e==NULL)
  {
    switch (rtyp)
    {
      case ALIAS_CMD:
      {
        idhdl h=(idhdl)data;
        return  ((idhdl)h->data.ustring)->data.ustring;
      }
      case VECHO:      return (void *)(long)si_echo;
      case VPRINTLEVEL:return (void *)(long)printlevel;
      case VCOLMAX:    return (void *)(long)colmax;
      case VTIMER:     return (void *)(long)getTimer();
      case VRTIMER:    return (void *)(long)getRTimer();
      case VOICE:      return (void *)(long)(myynest+1);
      case VMAXDEG:    return (void *)(long)Kstd1_deg;
      case VMAXMULT:   return (void *)(long)Kstd1_mu;
      case TRACE:      return (void *)(long)traceit;
      case VSHORTOUT:  return (void *)(long)(currRing != NULL ? currRing->ShortOut : 0);
      case VMINPOLY:
        if ( (currRing != NULL)  && nCoeff_is_algExt(currRing->cf) && !nCoeff_is_GF(currRing->cf))
        {
          /* Q(a), Fp(a), but not GF(q) */
          const ring A = currRing->cf->extRing;
 
          assume( A != NULL );
          assume( A->qideal != NULL );
 
          return (void *)A->qideal->m[0];
        }
        else
          return (void *)nInit(0);
 
      case VNOETHER:   return (void *) (currRing->ppNoether);
      case IDHDL:
        return IDDATA((idhdl)data);
      case COMMAND:
        //return NULL;
      default:
        return data;
    }
  }
  /* e != NULL : */
  int t=rtyp;
  void *d=data;
  if (t==IDHDL)
  {
    t=((idhdl)data)->typ;
    d=IDDATA((idhdl)data);
  }
  else if (t==ALIAS_CMD)
  {
    idhdl h=(idhdl)IDDATA((idhdl)data);
    t=IDTYP(h);
    d=IDDATA(h);
  }
  if (iiCheckRing(t))
    return NULL;
  char *r=NULL;
  int index=e->start;
  switch (t)
  {
    case INTVEC_CMD:
    {
      intvec *iv=(intvec *)d;
      if ((index<1)||(index>iv->length()))
      {
        if (!errorreported)
          Werror("wrong range[%d] in intvec %s(%d)",index,this->Name(),iv->length());
      }
      else
        r=(char *)(long)((*iv)[index-1]);
      break;
    }
    case INTMAT_CMD:
    {
      intvec *iv=(intvec *)d;
      if ((index<1)
         ||(index>iv->rows())
         ||(e->next->start<1)
         ||(e->next->start>iv->cols()))
      {
        if (!errorreported)
        Werror("wrong range[%d,%d] in intmat %s(%dx%d)",index,e->next->start,
                                           this->Name(),iv->rows(),iv->cols());
      }
      else
        r=(char *)(long)(IMATELEM((*iv),index,e->next->start));
      break;
    }
    case BIGINTVEC_CMD:
    {
      bigintmat *m=(bigintmat *)d;
      if ((index<1)
         ||(index>m->cols()))
      {
        if (!errorreported)
          Werror("wrong range[%d] in bigintvec %s(%d)",index,this->Name(),m->cols());
      }
      else
        r=(char *)(BIMATELEM((*m),1,index));
      break;
    }
    case BIGINTMAT_CMD:
    {
      bigintmat *m=(bigintmat *)d;
      if ((index<1)
         ||(index>m->rows())
         ||(e->next->start<1)
         ||(e->next->start>m->cols()))
      {
        if (!errorreported)
        Werror("wrong range[%d,%d] in bigintmat %s(%dx%d)",index,e->next->start,
                                                     this->Name(),m->rows(),m->cols());
      }
      else
        r=(char *)(BIMATELEM((*m),index,e->next->start));
      break;
    }
#ifdef SINGULAR_4_2
    case CMATRIX_CMD:
    {
      bigintmat *m=(bigintmat *)d;
      if ((index<1)
         ||(index>m->rows())
         ||(e->next->start<1)
         ||(e->next->start>m->cols()))
      {
        if (!errorreported)
        Werror("wrong range[%d,%d] in matrix %s(%dx%d)",index,e->next->start,
                                                     this->Name(),m->rows(),m->cols());
      }
      else
      {
        iiNumber2Data[iiCmatrix_index].cf=m->basecoeffs();
        iiNumber2Data[iiCmatrix_index].n=BIMATELEM((*m),index,e->next->start);
        r=(char*)&iiNumber2Data[iiCmatrix_index];
        iiCmatrix_index=(iiCmatrix_index+1) % 4;
      }
      break;
    }
#endif
    case IDEAL_CMD:
    case MODUL_CMD:
    case MAP_CMD:
    {
      ideal I=(ideal)d;
      if ((index<1)||(index>IDELEMS(I)))
      {
        if (!errorreported)
          Werror("wrong range[%d] in ideal/module %s(%d)",index,this->Name(),IDELEMS(I));
      }
      else
        r=(char *)I->m[index-1];
      break;
    }
    case SMATRIX_CMD:
    {
      ideal I=(ideal)d;
      int c;
      sleftv tmp;
      tmp.Init();
      tmp.rtyp=POLY_CMD;
      if ((index>0)&& (index<=I->rank)
      && (e->next!=NULL)
      && ((c=e->next->start)>0) &&(c<=IDELEMS(I)))
      {
        r=(char*)SMATELEM(I,index-1,c-1,currRing);
      }
      else
      {
        r=NULL;
      }
      tmp.data=r;
      if ((rtyp==IDHDL)||(rtyp==SMATRIX_CMD))
      {
        tmp.next=next; next=NULL;
        d=NULL;
        CleanUp();
        memcpy(this,&tmp,sizeof(tmp));
      }
      // and, remember, r is also the result...
      else
      {
        // ???
        // here we still have a memory leak...
        // example: list L="123","456";
        // L[1][2];
        // therefore, it should never happen:
        assume(0);
        // but if it happens: here is the temporary fix:
        // omMarkAsStaticAddr(r);
      }
      break;
    }
    case STRING_CMD:
    {
      // this was a memory leak
      // we evalute it, cleanup and replace this leftv by it's evalutated form
      // the evalutated form will be build in tmp
      sleftv tmp;
      tmp.Init();
      tmp.rtyp=STRING_CMD;
      r=(char *)omAllocBin(size_two_bin);
      if ((index>0)&& (index<=(int)strlen((char *)d)))
      {
        r[0]=*(((char *)d)+index-1);
        r[1]='\0';
      }
      else
      {
        r[0]='\0';
      }
      tmp.data=r;
      if ((rtyp==IDHDL)||(rtyp==STRING_CMD))
      {
        tmp.next=next; next=NULL;
        //if (rtyp==STRING_CMD) { omFree((ADDRESS)data); }
        //data=NULL;
        d=NULL;
        CleanUp();
        memcpy(this,&tmp,sizeof(tmp));
      }
      // and, remember, r is also the result...
      else
      {
        // ???
        // here we still have a memory leak...
        // example: list L="123","456";
        // L[1][2];
        // therefore, it should never happen:
        assume(0);
        // but if it happens: here is the temporary fix:
        // omMarkAsStaticAddr(r);
      }
      break;
    }
    case MATRIX_CMD:
    {
      if ((index<1)
         ||(index>MATROWS((matrix)d))
         ||(e->next->start<1)
         ||(e->next->start>MATCOLS((matrix)d)))
      {
        if (!errorreported)
          Werror("wrong range[%d,%d] in matrix %s(%dx%d)",
                  index,e->next->start,
                  this->Name(),
                  MATROWS((matrix)d),MATCOLS((matrix)d));
      }
      else
        r=(char *)MATELEM((matrix)d,index,e->next->start);
      break;
    }
    default:
    {
      blackbox *b=NULL;
      if (t>MAX_TOK)
      {
        b=getBlackboxStuff(t);
      }
      if ((t==LIST_CMD)||((b!=NULL)&&(BB_LIKE_LIST(b))))
      {
        lists l=(lists)d;
        if ((0<index)&&(index<=l->nr+1))
        {
          if ((e->next!=NULL)
          && (l->m[index-1].rtyp==STRING_CMD))
          // string[..].Data() modifies sleftv, so let's do it ourself
          {
            char *dd=(char *)l->m[index-1].data;
            int j=e->next->start-1;
            r=(char *)omAllocBin(size_two_bin);
            if ((j>=0) && (j<(int)strlen(dd)))
            {
              r[0]=*(dd+j);
              r[1]='\0';
            }
            else
            {
              r[0]='\0';
            }
          }
          else
          {
            Subexpr tmp=l->m[index-1].e;
            l->m[index-1].e=e->next;
            r=(char *)l->m[index-1].Data();
            e->next=l->m[index-1].e;
            l->m[index-1].e=tmp;
          }
        }
        else //if (!errorreported)
          Werror("wrong range[%d] in list %s(%d)",index,this->Name(),l->nr+1);
      }
      else
        Werror("cannot index %s of type %s(%d)",this->Name(),Tok2Cmdname(t),t);
      break;
    }
  }
  return r;
}

Eval()

int sleftv::Eval

(

)

Definition at line 1999 of file subexpr.cc.

{
  BOOLEAN nok=FALSE;
  leftv nn=next;
  next=NULL;
  if(rtyp==IDHDL)
  {
    int t=Typ();
    if (t!=PROC_CMD)
    {
      void *d=CopyD(t);
      data=d;
      rtyp=t;
      name=NULL;
      e=NULL;
    }
  }
  else if (rtyp==COMMAND)
  {
    command d=(command)data;
    if(d->op==PROC_CMD) //assume d->argc==2
    {
      char *what=(char *)(d->arg1.Data());
      idhdl h=ggetid(what);
      if((h!=NULL)&&(IDTYP(h)==PROC_CMD))
      {
        nok=d->arg2.Eval();
        if(!nok)
        {
          nok=iiMake_proc(h,req_packhdl,&d->arg2);
          this->CleanUp(currRing);
          if (!nok)
          {
            memcpy(this,&iiRETURNEXPR,sizeof(sleftv));
            iiRETURNEXPR.Init();
          }
        }
      }
      else nok=TRUE;
    }
    else if (d->op=='=') //assume d->argc==2
    {
      if ((d->arg1.rtyp!=IDHDL)&&(d->arg1.rtyp!=DEF_CMD))
      {
        nok=d->arg1.Eval();
      }
      if (!nok)
      {
        const char *n=d->arg1.name;
        nok=(n == NULL) || d->arg2.Eval();
        if (!nok)
        {
          int save_typ=d->arg1.rtyp;
          omCheckAddr((ADDRESS)n);
          if (d->arg1.rtyp!=IDHDL)
          syMake(&d->arg1,n);
          omCheckAddr((ADDRESS)d->arg1.name);
          if (d->arg1.rtyp==IDHDL)
          {
            n=omStrDup(IDID((idhdl)d->arg1.data));
            killhdl((idhdl)d->arg1.data);
            d->arg1.Init();
            //d->arg1.data=NULL;
            d->arg1.name=n;
          }
          d->arg1.rtyp=DEF_CMD;
          sleftv t;
          if(save_typ!=PROC_CMD) save_typ=d->arg2.rtyp;
          if (::RingDependend(d->arg2.rtyp))
            nok=iiDeclCommand(&t,&d->arg1,0,save_typ,&currRing->idroot);
          else
            nok=iiDeclCommand(&t,&d->arg1,0,save_typ,&IDROOT);
          memcpy(&d->arg1,&t,sizeof(sleftv));
          omCheckAddr((ADDRESS)d->arg1.name);
          nok=nok||iiAssign(&d->arg1,&d->arg2);
          omCheckIf(d->arg1.name != NULL,  // OB: ????
                    omCheckAddr((ADDRESS)d->arg1.name));
          if (!nok)
          {
            d->arg1.Init();
            this->CleanUp();
            rtyp=NONE;
          }
        }
      }
      else nok=TRUE;
    }
    else
    {
      sleftv tmp; tmp.Init();
      int toktype=iiTokType(d->op);
      if ((toktype==CMD_M)
      ||( toktype==ROOT_DECL_LIST)
      ||( toktype==RING_DECL_LIST))
      {
        if (d->argc <=3)
        {
          if (d->argc>=1) nok=d->arg1.Eval();
          if ((!nok) && (d->argc>=2))
          {
            nok=d->arg2.Eval();
            d->arg1.next=(leftv)omAllocBin(sleftv_bin);
            memcpy(d->arg1.next,&d->arg2,sizeof(sleftv));
            d->arg2.Init();
          }
          if ((!nok) && (d->argc==3))
          {
            nok=d->arg3.Eval();
            d->arg1.next->next=(leftv)omAllocBin(sleftv_bin);
            memcpy(d->arg1.next->next,&d->arg3,sizeof(sleftv));
            d->arg3.Init();
          }
          if (d->argc==0)
            nok=nok||iiExprArithM(&tmp,NULL,d->op);
          else
            nok=nok||iiExprArithM(&tmp,&d->arg1,d->op);
        }
        else
        {
          nok=d->arg1.Eval();
          nok=nok||iiExprArithM(&tmp,&d->arg1,d->op);
        }
      }
      else if (d->argc==1)
      {
        nok=d->arg1.Eval();
        nok=nok||iiExprArith1(&tmp,&d->arg1,d->op);
      }
      else if(d->argc==2)
      {
        nok=d->arg1.Eval();
        nok=nok||d->arg2.Eval();
        nok=nok||iiExprArith2(&tmp,&d->arg1,d->op,&d->arg2);
      }
      else if(d->argc==3)
      {
        nok=d->arg1.Eval();
        nok=nok||d->arg2.Eval();
        nok=nok||d->arg3.Eval();
        nok=nok||iiExprArith3(&tmp,d->op,&d->arg1,&d->arg2,&d->arg3);
      }
      else if(d->argc!=0)
      {
        nok=d->arg1.Eval();
        nok=nok||iiExprArithM(&tmp,&d->arg1,d->op);
      }
      else // d->argc == 0
      {
        nok = iiExprArithM(&tmp, NULL, d->op);
      }
      this->CleanUp();
      memcpy(this,&tmp,sizeof(tmp));
    }
  }
  else if (((rtyp==0)||(rtyp==DEF_CMD))
    &&(name!=NULL))
  {
     syMake(this,name);
  }
#ifdef MDEBUG
  switch(Typ())
  {
    case NUMBER_CMD:
#ifdef LDEBUG
      nTest((number)Data());
#endif
      break;
    case BIGINT_CMD:
#ifdef LDEBUG
      n_Test((number)Data(),coeffs_BIGINT);
#endif
      break;
    case POLY_CMD:
      pTest((poly)Data());
      break;
    case IDEAL_CMD:
    case MODUL_CMD:
    case MATRIX_CMD:
      {
        ideal id=(ideal)Data();
        omCheckAddrSize(id,sizeof(*id));
        int i=id->ncols*id->nrows-1;
        for(;i>=0;i--) pTest(id->m[i]);
      }
      break;
  }
#endif
  if (nn!=NULL) nok=nok||nn->Eval();
  next=nn;
  return nok;
}

Fullname()

const char * sleftv::Fullname ( )

inline

Definition at line 125 of file subexpr.h.

    {
      if ((name!=NULL) && (e==NULL)) return(this->name);
      else return sNoName_fe;
    }

Init()

void sleftv::Init ( )

inline

Definition at line 107 of file subexpr.h.

{ memset(this,0,sizeof(*this)); }

LData()

leftv sleftv::LData

(

)

Definition at line 1518 of file subexpr.cc.

{
  if (e!=NULL)
  {
    lists l=NULL;
    blackbox *b=getBlackboxStuff(rtyp);
 
    if ((rtyp==LIST_CMD)
    || ((b!=NULL)&&(BB_LIKE_LIST(b))))
      l=(lists)data;
    else if ((rtyp==IDHDL)&& (IDTYP((idhdl)data)==LIST_CMD))
      l=IDLIST((idhdl)data);
    else if ((rtyp==IDHDL)&& (IDTYP((idhdl)data)>MAX_TOK))
    {
      b=getBlackboxStuff(IDTYP((idhdl)data));
      if (BB_LIKE_LIST(b)) l=IDLIST((idhdl)data);
    }
    else if (rtyp==ALIAS_CMD)
    {
      idhdl h=(idhdl)data;
      l= (lists)(((idhdl)h->data.ustring)->data.ustring);
    }
    if (l!=NULL)
    {
      if ((0>=e->start)||(e->start>l->nr+1))
        return NULL;
      if (e->next!=NULL)
      {
        l->m[e->start-1].e=e->next;
        leftv r=l->m[e->start-1].LData();
        l->m[e->start-1].e=NULL;
        return r;
      }
      return &(l->m[e->start-1]);
    }
  }
  return this;
}

listLength()

int sleftv::listLength

(

)

Definition at line 51 of file subexpr.cc.

{
  int n = 1;
  leftv sl = next;
  while (sl!=NULL)
  {
    n++;
    sl=sl->next;
  }
  return n;
}

LTyp()

int sleftv::LTyp

(

)

Definition at line 1155 of file subexpr.cc.

{
  lists l=NULL;
  int r;
  if (rtyp==LIST_CMD)
    l=(lists)data;
  else if ((rtyp==IDHDL)&& (IDTYP((idhdl)data)==LIST_CMD))
    l=IDLIST((idhdl)data);
  else
    return Typ();
  //if (l!=NULL)
  {
    if ((e!=NULL) && (e->next!=NULL))
    {
      if ((0<e->start)&&(e->start<=l->nr+1))
      {
        l->m[e->start-1].e=e->next;
        r=l->m[e->start-1].LTyp();
        l->m[e->start-1].e=NULL;
      }
      else
      {
        //Warn("out of range: %d not in 1..%d",e->start,l->nr+1);
        r=NONE;
      }
      return r;
    }
    return LIST_CMD;
  }
  return Typ();
}

Name()

const char * sleftv::Name ( )

inline

Definition at line 120 of file subexpr.h.

    {
      if ((name!=NULL) && (e==NULL)) return name;
      else return sNoName_fe;
    }

Next()

leftv sleftv::Next ( )

inline

Definition at line 136 of file subexpr.h.

{ return next; }

Print()

void sleftv::Print	(	leftv	store = NULL,
		int	spaces = 0 )

Called by type_cmd (e.g. "r;") or as default in jPRINT.

Definition at line 63 of file subexpr.cc.

{
  int  t=Typ();
  if (errorreported) return;
#ifdef SIQ
  if (rtyp==COMMAND)
  {
    command c=(command)data;
    char ch[2];
    ch[0]=c->op;ch[1]='\0';
    const char *s=ch;
    if (c->op>127) s=iiTwoOps(c->op);
    ::Print("##command %d(%s), %d args\n",
      c->op, s, c->argc);
    if (c->argc>0)
      c->arg1.Print(NULL,spaces+2);
    if(c->argc<4)
    {
      if (c->argc>1)
        c->arg2.Print(NULL,spaces+2);
      if (c->argc>2)
        c->arg3.Print(NULL,spaces+2);
    }
    PrintS("##end");
  }
  else
#endif
  {
    const char *n=Name();
    char *s;
    void *d=Data();
    if (errorreported) return;
 
    switch (t /*=Typ()*/)
      {
        case CRING_CMD:
          crPrint((coeffs)d);
          break;
#ifdef SINGULAR_4_2
        case CNUMBER_CMD:
          n2Print((number2)d);
          break;
        case CPOLY_CMD:
          p2Print((poly2)d);
          break;
        case CMATRIX_CMD: // like BIGINTMAT
#endif
        case BIGINTVEC_CMD:
        case BIGINTMAT_CMD:
          ((bigintmat *)d)->pprint(colmax);
          break;
        case BUCKET_CMD:
          {
            sBucket_pt b=(sBucket_pt)d;
            if ((e==NULL)
            && (TEST_V_QRING)
            &&(currRing->qideal!=NULL))
            {
              poly p=pCopy(sBucketPeek(b));
              p=jjNormalizeQRingP(p);
              PrintNSpaces(spaces);
              pWrite0(p);
              pDelete(&p);
              break;
            }
            else
              sBucketPrint(b);
          }
          break;
        case UNKNOWN:
        case DEF_CMD:
          PrintNSpaces(spaces);
          PrintS("`");PrintS(n);PrintS("`");
          break;
        case PACKAGE_CMD:
          PrintNSpaces(spaces);
          paPrint(n,(package)d);
          break;
        case LIB_CMD:
        case NONE:
          return;
        case INTVEC_CMD:
        case INTMAT_CMD:
          ((intvec *)d)->show(t,spaces);
          break;
        case RING_CMD:
        {
          PrintNSpaces(spaces);
          const ring r = (ring)d;
          rWrite(r, currRing == r);
          break;
        }
        case MATRIX_CMD:
          iiWriteMatrix((matrix)d,n,2, currRing, spaces);
          break;
        case SMATRIX_CMD:
        {
          matrix m = id_Module2Matrix(id_Copy((ideal)d,currRing),currRing);
          ipPrint_MA0(m, n);
          id_Delete((ideal *) &m,currRing);
          break;
        }
        case MODUL_CMD:
        case IDEAL_CMD:
          if ((TEST_V_QRING)  &&(currRing->qideal!=NULL)
          &&(!hasFlag(this,FLAG_QRING)))
          {
            jjNormalizeQRingId(this);
            d=Data();
          }
          // no break:
        case MAP_CMD:
          iiWriteMatrix((matrix)d,n,1, currRing, spaces);
          break;
        case POLY_CMD:
        case VECTOR_CMD:
          if ((e==NULL)
          && (TEST_V_QRING)
          &&(currRing->qideal!=NULL)
          &&(!hasFlag(this,FLAG_QRING)))
          {
            setFlag(this,FLAG_QRING);
            poly p=(poly)d;
            p=jjNormalizeQRingP(p);
            if (p!=(poly)d)
            {
              d=(void*)p;
              if ((rtyp==POLY_CMD)||(rtyp==VECTOR_CMD)) data=d;
              else if (rtyp==IDHDL)
              {
                idhdl h=(idhdl)data;
                IDPOLY(h)=p;
                setFlag(h,FLAG_QRING);
              }
            }
          }
          PrintNSpaces(spaces);
          pWrite0((poly)d);
          break;
        case RESOLUTION_CMD:
        {
          syStrategy tmp=(syStrategy)d;
          syPrint(tmp,IDID(currRingHdl));
          break;
        }
        case STRING_CMD:
          PrintNSpaces(spaces);
          PrintS((char *)d);
          break;
       case INT_CMD:
          PrintNSpaces(spaces);
          ::Print("%ld",(long)d);
          break;
       case PROC_CMD:
         {
           procinfov pi=(procinfov)d;
 
           PrintNSpaces(spaces);
           PrintS("// libname  : ");
           PrintS(piProcinfo(pi, "libname"));
           PrintLn();
 
           PrintNSpaces(spaces);
           PrintS("// procname : ");
           PrintS(piProcinfo(pi, "procname"));
           PrintLn();
 
           PrintNSpaces(spaces);
           PrintS("// type     : ");
           PrintS(piProcinfo(pi, "type"));
           //           ::Print("%-*.*s// ref      : %s",spaces,spaces," ",
           //   piProcinfo(pi, "ref"));
           break;
         }
       case LINK_CMD:
          {
            si_link l=(si_link)d;
            PrintNSpaces(spaces);
            ::Print("// type : %s\n", slStatus(l, "type"));
            PrintNSpaces(spaces);
            ::Print("// mode : %s\n", slStatus(l, "mode"));
            PrintNSpaces(spaces);
            ::Print("// name : %s\n", slStatus(l, "name"));
            PrintNSpaces(spaces);
            ::Print("// open : %s\n", slStatus(l, "open"));
            PrintNSpaces(spaces);
            ::Print("// read : %s\n", slStatus(l, "read"));
            PrintNSpaces(spaces);
            ::Print("// write: %s", slStatus(l, "write"));
          break;
          }
        case BIGINT_CMD:
          s=String(d);
          if (s==NULL) return;
          PrintNSpaces(spaces);
          PrintS(s);
          omFree((ADDRESS)s);
          break;
        case NUMBER_CMD:
          {
            number n=(number)d;
            nNormalize(n);
            if ((number)d !=n)
            {
              d=n;
              if (rtyp==IDHDL) IDNUMBER(((idhdl)data))=n;
              else if(rtyp==NUMBER_CMD) data=(void*)n;
            }
            s=String(d);
            if (s==NULL) return;
            PrintS(s);
            omFree((ADDRESS)s);
            break;
          }
        case LIST_CMD:
        {
          lists l=(lists)d;
          if (lSize(l)<0)
          {
             PrintNSpaces(spaces);
             PrintS("empty list\n");
          }
          else
          {
            int i=0;
            for (;i<=l->nr;i++)
            {
              if (l->m[i].rtyp!=DEF_CMD)
              {
                PrintNSpaces(spaces);
                ::Print("[%d]:\n",i+1);
                l->m[i].Print(NULL,spaces+3);
              }
            }
          }
          break;
        }
 
        default:
          if (t>MAX_TOK)
          {
            blackbox * bb=getBlackboxStuff(t);
            PrintNSpaces(spaces);
            if (bb!=NULL) { bb->blackbox_Print(bb,d); }
            else          { ::Print("Print: blackbox %d(bb=NULL)",t); }
          }
          else
          ::Print("Print:unknown type %s(%d)", Tok2Cmdname(t),t);
      } /* end switch: (Typ()) */
    if ((store!=NULL)&&(store!=this))
      store->CleanUp();
  }
  if (next!=NULL)
  {
    if (t==COMMAND) PrintLn();
    else if (t!=LIST_CMD) PrintS(" ");
    next->Print(NULL,spaces);
  }
  else if ((t!=LIST_CMD)&&(t!=SMATRIX_CMD))
  {
    PrintLn();
  }
#ifdef SIQ
  if (rtyp!=COMMAND)
#endif
  {
    if ((store!=NULL)
    && (store!=this))
    {
      if((t/*Typ()*/!=LINK_CMD)
      && (t/*Typ()*/!=PACKAGE_CMD)
      && (t/*Typ()*/!=DEF_CMD)
      )
      {
        store->rtyp=t/*Typ()*/;
        store->data=CopyD();
        if(attribute!=NULL)
        {
          store->attribute=CopyA();
        }
        store->flag=flag;
      }
    }
  }
}

RingDependend()

BOOLEAN sleftv::RingDependend

(

)

Definition at line 419 of file subexpr.cc.

{
  int rt=Typ();
  if(::RingDependend(rt))
    return TRUE;
  if (rt==LIST_CMD)
    return lRingDependend((lists)Data());
  if (this->next!=NULL)
    return this->next->RingDependend();
  return FALSE;
}

String()

char * sleftv::String	(	void *	d = NULL,
		BOOLEAN	typed = FALSE,
		int	dim = 1 )

Called for conversion to string (used by string(..), write(..),..)

Definition at line 764 of file subexpr.cc.

{
#ifdef SIQ
  if (rtyp==COMMAND)
  {
    ::Print("##command %d\n",((command)data)->op);
    if (((command)data)->arg1.rtyp!=0)
      ((command)data)->arg1.Print(NULL,2);
    if (((command)data)->arg2.rtyp!=0)
      ((command)data)->arg2.Print(NULL,2);
    if (((command)data)->arg3.rtyp==0)
      ((command)data)->arg3.Print(NULL,2);
    PrintS("##end\n");
    return omStrDup("");
  }
#endif
  if (d==NULL) d=Data();
  if (!errorreported)
  {
    char *s;
    int t=Typ();
    switch (t /*Typ()*/)
    {
        case INT_CMD:
          if (typed)
          {
            #if SIZEOF_LONG==8
            const size_t len=MAX_INT_LEN+17;
            #else
            const size_t len=MAX_INT_LEN+7;
            #endif
            s=(char*)omAlloc(len);
            snprintf(s,len,"int(%ld)",(long)d);
          }
          else
          {
            #if SIZEOF_LONG==8
            const size_t len=MAX_INT_LEN+12;
            #else
            const size_t len=MAX_INT_LEN+2;
            #endif
            s=(char*)omAlloc(len);
            snprintf(s,len,"%ld",(long)d);
          }
          return s;
 
        case STRING_CMD:
          if (d == NULL)
          {
            if (typed) return omStrDup("\"\"");
            return omStrDup("");
          }
          if (typed)
          {
            size_t len=strlen((char*) d) + 3;
            s = (char*) omAlloc(len);
            snprintf(s,len,"\"%s\"", (char*) d);
            return s;
          }
          else
          {
            return omStrDup((char*)d);
          }
 
        case POLY_CMD:
        case VECTOR_CMD:
          if (typed)
          {
            char* ps = pString((poly) d);
            size_t len=strlen(ps) + 10;
            s = (char*) omAlloc(len);
            snprintf(s,len,"%s(%s)", (t /*Typ()*/ == POLY_CMD ? "poly" : "vector"), ps);
            omFree(ps);
            return s;
          }
          else
            return pString((poly)d);
 
        case CRING_CMD:
          return nCoeffString((coeffs)d);
        #ifdef SINGULAR_4_2
        case CNUMBER_CMD:
          return n2String((number2)d,typed);
        case CMATRIX_CMD:
          {
            bigintmat *b=(bigintmat*)d;
            return b->String();
          }
        #endif
 
        case NUMBER_CMD:
          StringSetS((char*) (typed ? "number(" : ""));
          if((rtyp==VMINPOLY)&&(rField_is_GF(currRing)))
          {
            nfShowMipo(currRing->cf);
          }
          else
          {
            nWrite((number)d);
          }
          StringAppendS((char*) (typed ? ")" : ""));
          return StringEndS();
 
        case BIGINT_CMD:
          {
          StringSetS((char*) (typed ? "bigint(" : ""));
          number nl=(number)d;
          n_Write(nl,coeffs_BIGINT);
          StringAppendS((char*) (typed ? ")" : ""));
          return StringEndS();
          }
        case BUCKET_CMD:
          return sBucketString((sBucket_pt)d);
        case MATRIX_CMD:
          s= iiStringMatrix((matrix)d,dim, currRing);
          if (typed)
          {
            size_t len=strlen(s) + 40;
            char* ns = (char*) omAlloc(len);
            snprintf(ns,len, "matrix(ideal(%s),%d,%d)", s,
                    ((ideal) d)->nrows, ((ideal) d)->ncols);
            omCheckAddr(ns);
            return ns;
          }
          else
          {
            return omStrDup(s);
          }
 
        case IDEAL_CMD:
        case MAP_CMD:
        case MODUL_CMD:
        case SMATRIX_CMD:
          s= iiStringMatrix((matrix)d,dim, currRing);
          if (typed)
          {
            size_t len=strlen(s) + 10;
            char* ns = (char*) omAlloc(len);
            if ((t/*Typ()*/==IDEAL_CMD)||(t==MAP_CMD))
              snprintf(ns,len, "ideal(%s)", s);
            else /*MODUL_CMD, SMATRIX_CMD */
              snprintf(ns,len, "module(%s)", s);
            omFree(s);
            omCheckAddr(ns);
            return ns;
          }
          return s;
 
        case INTVEC_CMD:
        case INTMAT_CMD:
        {
          intvec *v=(intvec *)d;
          s = v->String(dim);
          if (typed)
          {
            char* ns;
            if (t/*Typ()*/ == INTMAT_CMD)
            {
              size_t len=strlen(s) + 40;
              ns = (char*) omAlloc(len);
              snprintf(ns,len, "intmat(intvec(%s),%d,%d)", s, v->rows(), v->cols());
            }
            else
            {
              size_t len=strlen(s) + 10;
              ns = (char*) omAlloc(len);
              snprintf(ns,len, "intvec(%s)", s);
            }
            omCheckAddr(ns);
            omFree(s);
            return ns;
          }
          else
            return s;
        }
        case BIGINTMAT_CMD:
        {
          bigintmat *bim=(bigintmat*)d;
          s = bim->String();
          if (typed)
          {
            size_t len=strlen(s) + 40;
            char* ns = (char*) omAlloc(len);
            snprintf(ns,len, "bigintmat(bigintvec(%s),%d,%d)", s, bim->rows(), bim->cols());
            return ns;
          }
          else
            return omStrDup(s);
        }
        case BIGINTVEC_CMD:
        {
          bigintmat *bim=(bigintmat*)d;
          s = bim->String();
          if (typed)
          {
            size_t len=strlen(s) + 40;
            char* ns = (char*) omAlloc(len);
            snprintf(ns,len, "bigintvec(%s)", s);
            return ns;
          }
          else
            return omStrDup(s);
        }
 
        case RING_CMD:
          s  = rString((ring)d);
 
          if (typed)
          {
            char* ns;
            ring r=(ring)d;
            if (r->qideal!=NULL)
            {
              char* id = iiStringMatrix((matrix) ((ring) d)->qideal, dim,
                              currRing);
              size_t len=strlen(s) + strlen(id) + 20;
              ns = (char*) omAlloc(len);
              snprintf(ns,len, "\"%s\";%sideal(%s)", s,(dim == 2 ? "\n" : " "), id);
            }
            else
            {
              size_t len=strlen(s) + 4;
              ns = (char*) omAlloc(len);
              snprintf(ns,len, "\"%s\"", s);
            }
            omFree(s);
            omCheckAddr(ns);
            return ns;
          }
          return s;
        case RESOLUTION_CMD:
        {
          lists l = syConvRes((syStrategy)d);
          s = lString(l, typed, dim);
          l->Clean();
          return s;
        }
 
        case PROC_CMD:
        {
          procinfo* pi = (procinfo*) d;
          if((pi->language == LANG_SINGULAR) && (pi->data.s.body!=NULL))
            s = (pi->data.s.body);
          else
            s = (char *)"";
          if (typed)
          {
            size_t len=strlen(s) + 4;
            char* ns = (char*) omAlloc(len);
            snprintf(ns,len, "\"%s\"", s);
            return ns;
          }
          return omStrDup(s);
        }
 
        case LINK_CMD:
          s = slString((si_link) d);
          if (typed)
          {
            size_t len=strlen(s) + 10;
            char* ns = (char*) omAlloc(len);
            snprintf(ns,len, "link(\"%s\")", s);
            omFreeBinAddr(s);
            omCheckAddr(ns);
            return ns;
          }
          return s;
 
        case LIST_CMD:
          return lString((lists) d, typed, dim);
 
        default:
          if(t> MAX_TOK)
          {
            blackbox *bb=getBlackboxStuff(t);
            if (bb!=NULL) return bb->blackbox_String(bb,d);
          }
    } /* end switch: (Typ()) */
  }
  return omStrDup("");
}

Typ()

int sleftv::Typ

(

)

Definition at line 1047 of file subexpr.cc.

{
  if (e==NULL)
  {
    switch (rtyp)
    {
      case IDHDL:
        return IDTYP((idhdl)data);
      case ALIAS_CMD:
         {
           idhdl h=(idhdl)data;
           return  ((idhdl)h->data.ustring)->typ;
         }
      case VECHO:
      case VPRINTLEVEL:
      case VCOLMAX:
      case VTIMER:
      case VRTIMER:
      case VOICE:
      case VMAXDEG:
      case VMAXMULT:
      case TRACE:
      case VSHORTOUT:
        return INT_CMD;
      case VMINPOLY:
        data=NULL;
        return NUMBER_CMD;
      case VNOETHER:
        data=NULL;
        return POLY_CMD;
      //case COMMAND:
      //  return COMMAND;
      default:
        return rtyp;
    }
  }
  int r=0;
  int t=rtyp;
  void *d=data;
  if (t==IDHDL) t=IDTYP((idhdl)d);
  else if (t==ALIAS_CMD)
  { idhdl h=(idhdl)IDDATA((idhdl)data); t=IDTYP(h);d=IDDATA(h); }
  switch (t)
  {
#ifdef SINGULAR_4_2
    case CMATRIX_CMD:
    {
      bigintmat *b=(bigintmat*)d;
      if ((currRing!=NULL)&&(currRing->cf==b->basecoeffs()))
        return NUMBER_CMD;
      else
        return CNUMBER_CMD;
    }
#endif
    case INTVEC_CMD:
    case INTMAT_CMD:
      r=INT_CMD;
      break;
    case BIGINTVEC_CMD:
    case BIGINTMAT_CMD:
      r=BIGINT_CMD;
      break;
    case IDEAL_CMD:
    case MATRIX_CMD:
    case MAP_CMD:
    case SMATRIX_CMD:
      r=POLY_CMD;
      break;
    case MODUL_CMD:
      r=VECTOR_CMD;
      break;
    case STRING_CMD:
      r=STRING_CMD;
      break;
    default:
    {
      blackbox *b=NULL;
      if (t>MAX_TOK)
      {
        b=getBlackboxStuff(t);
      }
      if ((t==LIST_CMD)||((b!=NULL)&&BB_LIKE_LIST(b)))
      {
        lists l;
        if (rtyp==IDHDL) l=IDLIST((idhdl)d);
        else             l=(lists)d;
        if ((0<e->start)&&(e->start<=l->nr+1))
        {
          Subexpr tmp=l->m[e->start-1].e;
          l->m[e->start-1].e=e->next;
          r=l->m[e->start-1].Typ();
          e->next=l->m[e->start-1].e;
          l->m[e->start-1].e=tmp;
        }
        else
        {
          //Warn("out of range: %d not in 1..%d",e->start,l->nr+1);
          r=DEF_CMD;
        }
      }
      else
        Werror("cannot index type %s(%d)",Tok2Cmdname(t),t);
      break;
    }
  }
  return r;
}

Field Documentation

attribute

attr sleftv::attribute

Definition at line 89 of file subexpr.h.

data

void* sleftv::data

Definition at line 88 of file subexpr.h.

e

Subexpr sleftv::e

Definition at line 105 of file subexpr.h.

flag

BITSET sleftv::flag

Definition at line 90 of file subexpr.h.

name

const char* sleftv::name

Definition at line 87 of file subexpr.h.

next

leftv sleftv::next

Definition at line 86 of file subexpr.h.

req_packhdl

package sleftv::req_packhdl

Definition at line 106 of file subexpr.h.

rtyp

int sleftv::rtyp

Definition at line 91 of file subexpr.h.

---

The documentation for this class was generated from the following files:

• Singular/subexpr.h
• Singular/subexpr.cc