|Heap pointers email@example.com (shrey) (2005-10-29)|
|Re: Heap pointers firstname.lastname@example.org (Gene) (2005-11-01)|
|Re: Heap pointers email@example.com (2005-11-01)|
|Re: Heap pointers DrDiettrich@compuserve.de (Hans-Peter Diettrich) (2005-11-01)|
|Re: Heap pointers firstname.lastname@example.org (Dmitry A. Kazakov) (2005-11-01)|
|Re: Heap pointers bobduff@shell01.TheWorld.com (Robert A Duff) (2005-11-01)|
|From:||"Dmitry A. Kazakov" <email@example.com>|
|Date:||1 Nov 2005 21:44:14 -0500|
|Organization:||cbb software GmbH|
On 1 Nov 2005 00:24:44 -0500, Hans-Peter Diettrich wrote:
> IMO it would be more practical to add a "heap" pointer attribute to
> the language, so that the parser/compiler can detect incompatible
> assignments to such pointers.
> [I suspect it's more practical to do it at runtime like GCs all do.
> PL/I sort of had heap-only pointers with CONTROLLED storage but I
> don't get the impression that it was very popular. -John]
This is also so in Ada. It has typed pointers. The type of a pointer
can be either "general access" = can point to anywhere or
"pool-specific access" = can point only to some distinct memory pool
So incompatible pointers automatically fall under "type error."
Some pools may be GC-controlled, some not. One can even have a mix of
Dmitry A. Kazakov
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