[Info-vax] Userland programming languages on VMS.

[John Reagan]

On Friday, January 28, 2022 at 8:51:57 AM UTC-5, Arne Vajhøj wrote:
> On 1/28/2022 4:06 AM, cao... at pitbulluk.org wrote: 
> > On Friday, January 28, 2022 at 6:29:10 AM UTC, Steven Schweda wrote: 
> >>> Which I do not consider exotic. 
> >> Sure, fine, but look at the results from the current blend of (what 
> >> are, I assume) defaults. Whether or not better results are so "easy", 
> >> the existing situation (mess) is the existing situation (mess). 
> >> 
> >> As I said, "unrealistic". That was an inference, not a postulate. 
> > 
> > Aren't C/C++ the only VMS languages capable of using the full 64 bit address space? 
> > Perhaps some others are (partially) capable but it doesn't look at all convenient. 
> > Pascal has IADDRESS64 in addition to IADDRESS but why bother to call a _64 system service when you can't really do much else with it?
> I believe Fortran supports usage of P2 space. 
> 
> Arne
Fortran lets you allocate COMMON in P2 and it has the CDEC$ POINTER64 (or however it is spelled)
attribute.   You can have "top level" 64-bit pointers but you can't get 64-bit pointers as fields in a structure.