Obj GAP_ElmRecord(Obj rec, Obj name)
{
UInt rnam = RNamObj(name);
if (ISB_REC(rec, rnam))
return ELM_REC(rec, rnam);
return 0;
}
/****************************************************************************
**
*F RNamObj(<obj>) . . . . . . . . . . . convert an object to a record name
**
** 'RNamObj' returns the record name corresponding to the object <obj>,
** which currently must be a string or an integer.
*/
UInt RNamObj (
Obj obj )
{
/* convert integer object */
if ( IS_INTOBJ(obj) ) {
return RNamIntg( INT_INTOBJ(obj) );
}
/* convert string object (empty string may have type T_PLIST) */
else if ( IsStringConv(obj) && IS_STRING_REP(obj) ) {
return RNamName( CSTR_STRING(obj) );
}
/* otherwise fail */
else {
obj = ErrorReturnObj(
"Record: '<rec>.(<obj>)' <obj> must be a string or an integer",
0L, 0L,
"you can replace <obj> via 'return <obj>;'" );
return RNamObj( obj );
}
}
void GAP_AssRecord(Obj rec, Obj name, Obj val)
{
UInt rnam = RNamObj(name);
ASS_REC(rec, rnam, val);
}
/****************************************************************************
**
*F FuncRNamObj(<self>,<obj>) . . . . convert an object to a record name
**
** 'FuncRNamObj' implements the internal function 'RNamObj'.
**
** 'RNamObj( <obj> )'
**
** 'RNamObj' returns the record name corresponding to the object <obj>,
** which currently must be a string or an integer.
*/
static Obj FuncRNamObj(Obj self, Obj obj)
{
return INTOBJ_INT( RNamObj( obj ) );
}
/****************************************************************************
**
*F RNamObjHandler(<self>,<obj>) . . . . convert an object to a record name
**
** 'RNamObjHandler' implements the internal function 'RNamObj'.
**
** 'RNamObj( <obj> )'
**
** 'RNamObj' returns the record name corresponding to the object <obj>,
** which currently must be a string or an integer.
*/
Obj RNamObjHandler (
Obj self,
Obj obj )
{
return INTOBJ_INT( RNamObj( obj ) );
}