void near * _vector_vnew_(void near *ptr, // address of array, 0 means allocate
size_t size, // size of each object
unsigned count, // how many objects
unsigned mode, // actual type of constructor
...
)
/* This routine is used to initialize an array of class type. If ptr is
NULL, it allocates the space for the array first. Since the constructor
for the class may be of either memory model, and take an argument of any
memory model, we are forced to pass a mode parameter to tell us how to
cast it. Since we must pass a near pointer for near functions and a
far call for far functions, we can't even know the argument type until
runtime, so we have to use varargs to get at it. This version passes the
second argument needed for a class with virtual bases.
If the constructor pointer is NULL no constructors are called.
The interpretation of the mode parameter is:
far function 0x01 VFARCALL
pascal call 0x02 VPASCAL
far pointer 0x04 VFARPTR
deallocate 0x08 VDEALLOC
stored count 0x10 VSTORECNT
fastcall 0x20 VFASTCALL
huge vector 0x40 VHUGEVECT
fastthis 0x80 VFASTTHIS
this last 0x100 VTHISLAST
*/
{
#if defined(__LARGE__) || defined(__HUGE__) || defined(__COMPACT__)
abort();
return 0;
#else
va_list ap; // for access to parameters
consvNNC np; // near call version
consvFNC fp; // far call version
int construct = 1; // flag whether to call constructors
va_start(ap, mode);
if (mode & VFARCALL)
{
fp = va_arg(ap, consvFNC);
if (!fp)
construct = 0;
}
else
{
np = va_arg(ap, consvNNC);
if (!np)
construct = 0;
}
if( ptr == 0 )
{
unsigned long Length = size * count;
if (mode & VSTORECNT) // stored count
Length += sizeof(count);
// check that additional bytes don't make it go over 64K
if (Length > 0xFFFF)
return 0;
ptr = operator new((unsigned)Length);
if (!ptr)
return 0;
// have ptr at either final location or count before
if (mode & VSTORECNT) // store count
{
*(unsigned *)ptr = count;
((unsigned *)ptr)++;
}
}
mode &= VCALLTYPE; // strip out all flags except call type
if (mode & VFASTTHIS) // this-last has no effect with fast-this
mode &= ~(VTHISLAST);
if (construct)
{
for( char *p = (char *) ptr; count-- > 0; p += size )
switch (mode)
{
case 0:
(*(consvNNC) np)((void near *) p, 0); break;
case (VFARCALL):
(*(consvFNC) fp)((void near *) p, 0); break;
case (VPASCAL):
(*(consvNNP) np)((void near *) p, 0); break;
case (VPASCAL | VTHISLAST):
(*(consvNNPL) np)(0, (void near *) p); break;
case (VFARCALL | VPASCAL):
(*(consvFNP) fp)((void near *) p, 0); break;
case (VFARCALL | VPASCAL | VTHISLAST):
(*(consvFNPL) fp)(0, (void near *) p); break;
case (VFASTCALL):
(*(consvNNF) np)((void near *) p, 0); break;
case (VFASTCALL | VTHISLAST):
(*(consvNNFL) np)(0, (void near *) p); break;
case (VFARCALL | VFASTCALL):
(*(consvFNF) fp)((void near *) p, 0); break;
case (VFARCALL | VFASTCALL | VTHISLAST):
(*(consvFNFL) fp)(0, (void near *) p); break;
case (0 | VFASTTHIS):
LOAD_NEAR_THIS(p);
(*(consvNNCT) np)(0);
END_NEAR_THIS();
break;
case (VFARCALL | VFASTTHIS):
LOAD_NEAR_THIS(p);
(*(consvFNCT) fp)(0);
END_NEAR_THIS();
break;
case (VPASCAL | VFASTTHIS):
LOAD_NEAR_THIS(p);
(*(consvNNPT) np)(0);
END_NEAR_THIS();
break;
case (VFARCALL | VPASCAL | VFASTTHIS):
LOAD_NEAR_THIS(p);
(*(consvFNPT) fp)(0);
END_NEAR_THIS();
break;
case (VFASTCALL | VFASTTHIS):
LOAD_NEAR_THIS(p);
(*(consvNNFT) np)(0);
END_NEAR_THIS();
break;
case (VFARCALL | VFASTCALL | VFASTTHIS):
LOAD_NEAR_THIS(p);
(*(consvFNFT) fp)(0);
END_NEAR_THIS();
break;
default:
abort(); break;
}
}
return ptr;
#endif
}
void _vector_delete_(void near *ptr, // address of array (always needed)
size_t size, // size of each object
unsigned count, // how many objects
unsigned mode, // How to call
...
)
/* This routine is used to destroy an array of class type. If mode is
set, it deallocates the space for the array afterwards. Since the
destructor for the class may be of either memory model, and take
an argument of any memory model, we are forced to pass a mode parameter
to tell us how to cast it. Since we must pass a near pointer for near
functions and a far pointer for far functions, we can't even know the
argument type until runtime, so we have to use varargs to get at it.
If the destructor pointer is NULL no destructors are called.
The interpretation of the mode parameter is:
far function 0x01 VFARCALL
pascal call 0x02 VPASCAL
far pointer 0x04 VFARPTR
deallocate 0x08 VDEALLOC
stored count 0x10 VSTORECNT
fastcall 0x20 VFASTCALL
huge vector 0x40 VHUGEVECT
fastthis 0x80 VFASTTHIS
this last 0x100 VTHISLAST
*/
{
#if defined(__LARGE__) || defined(__HUGE__) || defined(__COMPACT__)
abort();
#else
va_list ap; // for access to parameters
destNNC np; // near call version
destFNC fp; // far call version
int destruct = 1; // flag whether to call destructors
if (!ptr)
return;
va_start(ap, mode);
if (mode & VFARCALL)
{
fp = va_arg(ap, destFNC);
if (!fp)
destruct = 0;
}
else
{
np = va_arg(ap, destNNC);
if (!np)
destruct = 0;
}
if (mode & VSTORECNT) // if stored count
count = *((unsigned *) ((char *)ptr - sizeof(count)));
if (destruct)
{
// get call type
unsigned CallType = mode & VCALLTYPE;
// this-last has no effect with fast-this
if (CallType & VFASTTHIS)
CallType &= ~(VTHISLAST);
for(char near *p = (char near *) ptr + size * (count - 1);
count-- > 0; p -= size)
{
switch (CallType)
{
case 0:
(*(destNNC) np)((void near *) p, 2); break;
case (VFARCALL):
(*(destFNC) fp)((void near *) p, 2); break;
case (VPASCAL):
(*(destNNP) np)((void near *) p, 2); break;
case (VPASCAL | VTHISLAST):
(*(destNNPL) np)(2, (void near *) p); break;
case (VFARCALL | VPASCAL):
(*(destFNP) fp)((void near *) p, 2); break;
case (VFARCALL | VPASCAL | VTHISLAST):
(*(destFNPL) fp)(2, (void near *) p); break;
case (VFASTCALL):
(*(destNNF) np)((void near *) p, 2); break;
case (VFASTCALL | VTHISLAST):
(*(destNNFL) np)(2, (void near *) p); break;
case (VFARCALL | VFASTCALL):
(*(destFNF) fp)((void near *) p, 2); break;
case (VFARCALL | VFASTCALL | VTHISLAST):
(*(destFNFL) fp)(2, (void near *) p); break;
case (0 | VFASTTHIS):
LOAD_NEAR_THIS(p);
(*(destNNCT) np)(2);
END_NEAR_THIS();
break;
case (VFARCALL | VFASTTHIS):
LOAD_NEAR_THIS(p);
(*(destFNCT) fp)(2);
END_NEAR_THIS();
break;
case (VPASCAL | VFASTTHIS):
LOAD_NEAR_THIS(p);
(*(destNNPT) np)(2);
END_NEAR_THIS();
break;
case (VFARCALL | VPASCAL | VFASTTHIS):
LOAD_NEAR_THIS(p);
(*(destFNPT) fp)(2);
END_NEAR_THIS();
break;
case (VFASTCALL | VFASTTHIS):
LOAD_NEAR_THIS(p);
(*(destNNFT) np)(2);
END_NEAR_THIS();
break;
case (VFARCALL | VFASTCALL | VFASTTHIS):
LOAD_NEAR_THIS(p);
(*(destFNFT) fp)(2);
END_NEAR_THIS();
break;
default:
abort(); break;
}
}
}
if (mode & VDEALLOC)
{
if (mode & VSTORECNT) // stored count
ptr = (char *)ptr - sizeof(count);
operator delete((void near *)ptr);
}
#endif
}
void _vector_applyv_(void far * dest, // address of destination array
void far * src, // address of source array
size_t size, // size of each object
unsigned count, // number of objects
unsigned mode, // type of function to call
...
)
/* This routine is used to copy an array of class type.
Since the routine used for the class may be of either memory model, and
take arguments of any memory model, we are forced to pass a mode
parameter to tell us how to cast it. Since we must pass a near pointer
for near functions and a far call for far functions, we can't even know
the argument type until runtime, so we have to use varargs to get at it.
We do assume that both source and destination have the same distance
modifier, and the compiler enforces that.
The interpretation of the mode parameter is:
far function 0x01 VFARCALL
pascal call 0x02 VPASCAL
far pointer 0x04 VFARPTR
fastcall 0x20 VFASTCALL
fastthis 0x80 VFASTTHIS
this last 0x100 VTHISLAST
*/
{
va_list ap; /* for access to parameters */
appvNNC np; /* Near pointer version */
appvFNC fp; /* Far pointer version */
va_start(ap, mode);
if (mode & 1)
fp = va_arg(ap, appvFNC);
else
np = va_arg(ap, appvNNC);
if (mode & VFASTTHIS) // this-last has no effect with fast-this
mode &= ~(VTHISLAST);
do
{
switch (mode)
{
case 0:
(*(appvNNC) np)((void near *)dest, 0, (void near *)src); break;
case (VFARCALL):
(*(appvFNC) fp)((void near *)dest, 0, (void near *)src); break;
case (VPASCAL):
(*(appvNNP) np)((void near *)dest, 0, (void near *)src); break;
case (VPASCAL | VTHISLAST):
(*(appvNNPL) np)(0, (void near *)src, (void near *)dest); break;
case (VFARCALL | VPASCAL):
(*(appvFNP) fp)((void near *)dest, 0, (void near *)src); break;
case (VFARCALL | VPASCAL | VTHISLAST):
(*(appvFNPL) fp)(0, (void near *)src, (void near *)dest); break;
case (VFASTCALL):
(*(appvNNF) np)((void near *)dest, 0, (void near *)src); break;
case (VFASTCALL | VTHISLAST):
(*(appvNNFL) np)(0, (void near *)src, (void near *)dest); break;
case (VFARCALL | VFASTCALL):
(*(appvFNF) fp)((void near *)dest, 0, (void near *)src); break;
case (VFARCALL | VFASTCALL | VTHISLAST):
(*(appvFNFL) fp)(0, (void near *)src, (void near *)dest); break;
case (VFARPTR):
(*(appvNFC) np)((void far *)dest, 0, (void far *)src); break;
case (VFARCALL | VFARPTR):
(*(appvFFC) fp)((void far *)dest, 0, (void far *)src); break;
case (VFARPTR | VPASCAL):
(*(appvNFP) np)((void far *)dest, 0, (void far *)src); break;
case (VFARPTR | VPASCAL | VTHISLAST):
(*(appvNFPL) np)(0, (void far *)src, (void far *)dest); break;
case (VFARCALL | VFARPTR | VPASCAL):
(*(appvFFP) fp)((void far *)dest, 0, (void far *)src); break;
case (VFARCALL | VFARPTR | VPASCAL | VTHISLAST):
(*(appvFFPL) fp)(0, (void far *)src, (void far *)dest); break;
case (VFARPTR | VFASTCALL):
(*(appvNFF) np)((void far *)dest, 0, (void far *)src); break;
case (VFARPTR | VFASTCALL | VTHISLAST):
(*(appvNFFL) np)(0, (void far *)src, (void far *)dest); break;
case (VFARCALL | VFARPTR | VFASTCALL):
(*(appvFFF) fp)((void far *)dest, 0, (void far *)src); break;
case (VFARCALL | VFARPTR | VFASTCALL | VTHISLAST):
(*(appvFFFL) fp)(0, (void far *)src, (void far *)dest); break;
case (0 | VFASTTHIS):
LOAD_NEAR_THIS(dest);
(*(appvNNCT) np)(0, (void near *)src);
END_NEAR_THIS();
break;
case (VFARCALL | VFASTTHIS):
LOAD_NEAR_THIS(dest);
(*(appvFNCT) fp)(0, (void near *)src);
END_NEAR_THIS();
break;
case (VPASCAL | VFASTTHIS):
LOAD_NEAR_THIS(dest);
(*(appvNNPT) np)(0, (void near *)src);
END_NEAR_THIS();
break;
case (VFARCALL | VPASCAL | VFASTTHIS):
LOAD_NEAR_THIS(dest);
(*(appvFNPT) fp)(0, (void near *)src);
END_NEAR_THIS();
break;
case (VFASTCALL | VFASTTHIS):
LOAD_NEAR_THIS(dest);
(*(appvNNFT) np)(0, (void near *)src);
END_NEAR_THIS();
break;
case (VFARCALL | VFASTCALL | VFASTTHIS):
LOAD_NEAR_THIS(dest);
(*(appvFNFT) fp)(0, (void near *)src);
END_NEAR_THIS();
break;
case (VFARPTR | VFASTTHIS):
LOAD_FAR_THIS(dest);
(*(appvNFCT) np)(0, (void far *)src);
END_FAR_THIS();
break;
case (VFARCALL | VFARPTR | VFASTTHIS):
LOAD_FAR_THIS(dest);
(*(appvFFCT) fp)(0, (void far *)src);
END_FAR_THIS();
break;
case (VFARPTR | VPASCAL | VFASTTHIS):
LOAD_FAR_THIS(dest);
(*(appvNFPT) np)(0, (void far *)src);
END_FAR_THIS();
break;
case (VFARCALL | VFARPTR | VPASCAL | VFASTTHIS):
LOAD_FAR_THIS(dest);
(*(appvFFPT) fp)(0, (void far *)src);
END_FAR_THIS();
break;
case (VFARPTR | VFASTCALL | VFASTTHIS):
LOAD_FAR_THIS(dest);
(*(appvNFFT) np)(0, (void far *)src);
END_FAR_THIS();
break;
case (VFARCALL | VFARPTR | VFASTCALL | VFASTTHIS):
LOAD_FAR_THIS(dest);
(*(appvFFFT) fp)(0, (void far *)src);
END_FAR_THIS();
break;
default:
abort(); break;
}
(char far *) dest += size;
(char far *) src += size;
} while (--count > 0);
}