//
// Perform the equivalent of a "newarr" The resulting array is zero-initialized.
//
// Note that invoking NewMultiDimArray on a rank-1 array type is not the same thing as invoking NewArray().
//
// As a concession to the fact that we don't actually support non-zero lower bounds, "lowerBounds" accepts "null"
// to avoid unnecessary array allocations by the caller.
//
public static unsafe Array NewMultiDimArray(RuntimeTypeHandle typeHandleForArrayType, int[] lengths, int[] lowerBounds)
{
Debug.Assert(lengths != null);
Debug.Assert(lowerBounds == null || lowerBounds.Length == lengths.Length);
if (lowerBounds != null)
{
foreach (int lowerBound in lowerBounds)
{
if (lowerBound != 0)
{
throw new PlatformNotSupportedException(SR.Arg_NotSupportedNonZeroLowerBound);
}
}
}
#if REAL_MULTIDIM_ARRAYS
// Create a local copy of the lenghts that cannot be motified by the caller
int *pLengths = stackalloc int[lengths.Length];
for (int i = 0; i < lengths.Length; i++)
{
pLengths[i] = lengths[i];
}
return(Array.NewMultiDimArray(typeHandleForArrayType.ToEETypePtr(), pLengths, lengths.Length));
#else
MDArray mdArray = (MDArray)(NewObject(typeHandleForArrayType));
mdArray.MDInitialize(lengths);
return(mdArray);
#endif
}
//
// Perform the equivalent of a "newarr" The resulting array is zero-initialized.
//
// Note that invoking NewMultiDimArray on a rank-1 array type is not the same thing as invoking NewArray().
//
// As a concession to the fact that we don't actually support non-zero lower bounds, "lowerBounds" accepts "null"
// to avoid unnecessary array allocations by the caller.
//
public static Array NewMultiDimArray(RuntimeTypeHandle typeHandleForArrayType, int[] lengths, int[] lowerBounds)
{
Debug.Assert(lengths != null);
Debug.Assert(lowerBounds == null || lowerBounds.Length == lengths.Length);
if (lowerBounds != null)
{
foreach (int lowerBound in lowerBounds)
{
if (lowerBound != 0)
{
throw new PlatformNotSupportedException(SR.Arg_NotSupportedNonZeroLowerBound);
}
}
}
MDArray mdArray = (MDArray)(NewObject(typeHandleForArrayType));
mdArray.MDInitialize(lengths);
return(mdArray);
}
