blackbox.h File Reference

#include "kernel/mod2.h"
#include "omalloc/omalloc.h"
#include "kernel/structs.h"
#include "Singular/lists.h"
#include "Singular/links/silink.h"

Go to the source code of this file.

Data Structures
struct	blackbox

Macros
#define	BB_LIKE_LIST(B)   ((B)->properties &1)

Functions
void	removeBlackboxStuff (const int rt)
BOOLEAN	blackboxDefaultOp1 (int op, leftv l, leftv r)
	default procedure blackboxDefaultOp1, to be called as "default:" branch More...
BOOLEAN	blackboxDefaultOp2 (int op, leftv l, leftv r1, leftv r2)
	default procedure blackboxDefaultOp2, to be called as "default:" branch More...
BOOLEAN	blackboxDefaultOp3 (int op, leftv l, leftv r1, leftv r2, leftv r3)
	default procedure blackboxDefaultOp3, to be called as "default:" branch More...
BOOLEAN	blackboxDefaultOpM (int op, leftv l, leftv r)
	default procedure blackboxDefaultOpM, to be called as "default:" branch More...
void	blackbox_default_Print (blackbox *b, void *d)
	default procedure blackbox_default_Print: print the string More...
blackbox *	getBlackboxStuff (const int t)
	return the structure to the type given by t More...
const char *	getBlackboxName (const int t)
	return the name to the type given by t (r/o) More...
int	blackboxIsCmd (const char *n, int &tok)
	used by scanner: returns ROOT_DECL for known types (and the type number in tok) More...
int	setBlackboxStuff (blackbox *bb, const char *name)
	define a new type More...
void	printBlackboxTypes ()
	list all defined type (for debugging) More...

Macro Definition Documentation

BB_LIKE_LIST

#define BB_LIKE_LIST

(

B

)

((B)->properties &1)

Definition at line 54 of file blackbox.h.

Function Documentation

blackbox_default_Print()

void blackbox_default_Print	(	blackbox *	b,
		void *	d
	)

default procedure blackbox_default_Print: print the string

Definition at line 39 of file blackbox.cc.

{
  char *s=b->blackbox_String(b,d);
  PrintS(s);
  omFree(s);
}

blackboxDefaultOp1()

BOOLEAN blackboxDefaultOp1	(	int	op,
		leftv	l,
		leftv	r
	)

default procedure blackboxDefaultOp1, to be called as "default:" branch

Definition at line 62 of file blackbox.cc.

{
  if (op==TYPEOF_CMD)
  {
    l->data=omStrDup(getBlackboxName(r->Typ()));
    l->rtyp=STRING_CMD;
    return FALSE;
  }
  else if (op==NAMEOF_CMD)
  {
    if (r->name==NULL) l->data=omStrDup("");
    else               l->data=omStrDup(r->name);
    l->rtyp=STRING_CMD;
    return FALSE;
  }
 
  return TRUE;
}

blackboxDefaultOp2()

BOOLEAN blackboxDefaultOp2	(	int	op,
		leftv	l,
		leftv	r1,
		leftv	r2
	)

default procedure blackboxDefaultOp2, to be called as "default:" branch

Definition at line 81 of file blackbox.cc.

{
  return TRUE;
}

blackboxDefaultOp3()

BOOLEAN blackboxDefaultOp3	(	int	op,
		leftv	l,
		leftv	r1,
		leftv	r2,
		leftv	r3
	)

default procedure blackboxDefaultOp3, to be called as "default:" branch

Definition at line 86 of file blackbox.cc.

{
  return TRUE;
}

blackboxDefaultOpM()

BOOLEAN blackboxDefaultOpM	(	int	op,
		leftv	l,
		leftv	r
	)

default procedure blackboxDefaultOpM, to be called as "default:" branch

Definition at line 91 of file blackbox.cc.

{
  if (op==LIST_CMD)
  {
    res->rtyp=LIST_CMD;
    BOOLEAN bo=jjLIST_PL(res,args);
    args->CleanUp();
    return bo;
  }
  else if(op==STRING_CMD)
  {
    blackbox *b=getBlackboxStuff(args->Typ());
    res->data=b->blackbox_String(b,args->Data());
    res->rtyp=STRING_CMD;
    args=args->next;
    if(args!=NULL)
    {
      sleftv res2;
      int ret=iiExprArithM(&res2,args,op);
      if (ret) return TRUE;
      char *s2=(char*)omAlloc(strlen((char*)res->data)+strlen((char*)res2.data)+1);
      sprintf(s2,"%s%s",(char*)res->data,(char*)res2.data);
      omFree(res2.data);
      omFree(res->data);
      res->data=s2;
    }
    return FALSE;
  }
  return TRUE;
}

blackboxIsCmd()

int blackboxIsCmd	(	const char *	n,
		int &	tok
	)

used by scanner: returns ROOT_DECL for known types (and the type number in tok)

Definition at line 192 of file blackbox.cc.

{
  for(int i=blackboxTableCnt-1;i>=0;i--)
  {
    if(strcmp(n,blackboxName[i])==0)
    {
#ifdef BLACKBOX_DEVEL
      Print("blackboxIsCmd: found bb:%s:%d (table:%d)\n",n,i+BLACKBOX_OFFSET,i);
#endif
      tok=i+BLACKBOX_OFFSET;
      return ROOT_DECL;
    }
  }
  tok=0;
  return 0;
}

getBlackboxName()

const char* getBlackboxName

(

const int

t

)

return the name to the type given by t (r/o)

Definition at line 186 of file blackbox.cc.

{
 char *b=blackboxName[t-BLACKBOX_OFFSET];
  if (b!=NULL) return b;
  else         return "";
}

getBlackboxStuff()

blackbox* getBlackboxStuff

(

const int

t

)

return the structure to the type given by t

Definition at line 16 of file blackbox.cc.

{
  if (t>MAX_TOK)  /*MAX_TOK+1 is BLACKBOX_OFFSET*/
    return (blackboxTable[t-BLACKBOX_OFFSET]);
  else
    return NULL;
}

printBlackboxTypes()

void printBlackboxTypes

(

)

list all defined type (for debugging)

Definition at line 209 of file blackbox.cc.

{
  for(int i=blackboxTableCnt-1;i>=0;i--)
  {
    if (blackboxName[i]!=NULL)
       Print("type %d: %s\n",i,blackboxName[i]);
  }
}

removeBlackboxStuff()

void removeBlackboxStuff

(

const int

rt

)

Definition at line 179 of file blackbox.cc.

{
  omfree(blackboxTable[rt-BLACKBOX_OFFSET]);
  omfree(blackboxName[rt-BLACKBOX_OFFSET]);
  blackboxTable[rt-BLACKBOX_OFFSET]=NULL;
  blackboxName[rt-BLACKBOX_OFFSET]=NULL;
}

setBlackboxStuff()

int setBlackboxStuff	(	blackbox *	bb,
		const char *	name
	)

define a new type

Definition at line 126 of file blackbox.cc.

{
  int where=-1;
  if (MAX_BB_TYPES<=blackboxTableCnt)
  {
    // second try, find empty slot from removed bb:
    for (int i=0;i<MAX_BB_TYPES;i++)
    {
      if (blackboxTable[i]==NULL) { where=i; break; }
    }
  }
  else
  {
    where=blackboxTableCnt;
    blackboxTableCnt++;
  }
  if (where==-1)
  {
    WerrorS("too many bb types defined");
    return 0;
  }
  else
  {
    // check for alreday defined bb:
    for (int i=0;i<MAX_BB_TYPES;i++)
    {
      if ((blackboxName[i]!=NULL) && (strcmp(blackboxName[i],n)==0))
      {
        Warn("not redefining blackbox type %s (%d)",n,i+BLACKBOX_OFFSET);
        return 0;
      }
    }
    blackboxTable[where]=bb;
    blackboxName[where]=omStrDup(n);
#ifdef BLACKBOX_DEVEL
    Print("setBlackboxStuff: define bb:name=%s:rt=%d (table:cnt=%d)\n",blackboxName[where],where+BLACKBOX_OFFSET,where);
#endif
    if (bb->blackbox_destroy==NULL) bb->blackbox_destroy=blackbox_default_destroy;
    if (bb->blackbox_String==NULL)  bb->blackbox_String=blackbox_default_String;
    if (bb->blackbox_Print==NULL)   bb->blackbox_Print=blackbox_default_Print;
    if (bb->blackbox_Init==NULL)    bb->blackbox_Init=blackbox_default_Init;
    if (bb->blackbox_Copy==NULL)    bb->blackbox_Copy=blackbox_default_Copy;
    if (bb->blackbox_Op1==NULL)     bb->blackbox_Op1=blackboxDefaultOp1;
    if (bb->blackbox_Op2==NULL)     bb->blackbox_Op2=blackboxDefaultOp2;
    if (bb->blackbox_Op3==NULL)     bb->blackbox_Op3=blackboxDefaultOp3;
    if (bb->blackbox_OpM==NULL)     bb->blackbox_OpM=blackboxDefaultOpM;
    if (bb->blackbox_CheckAssign==NULL) bb->blackbox_CheckAssign=blackbox_default_Check;
    if (bb->blackbox_serialize==NULL) bb->blackbox_serialize=blackbox_default_serialize;
    if (bb->blackbox_deserialize==NULL) bb->blackbox_deserialize=blackbox_default_deserialize;
    return where+BLACKBOX_OFFSET;
  }
}