The GC, destructors, exceptions and memory corruption
Don
nospam at nospam.com
Fri May 13 06:47:57 PDT 2011
Vladimir Panteleev wrote:
> On Fri, 13 May 2011 11:25:01 +0300, Don <nospam at nospam.com> wrote:
>
>> Alexander wrote:
>>> On 13.05.2011 06:53, Vladimir Panteleev wrote:
>>>
>>>> Thus, my question is: what's the expected behavior of D programs
>>>> when a destructor throws?
>>> I would say, the only expected (and correct, IMHO) behavior should
>>> be termination of the program because of unhandled exception.
>>> /Alexander
>>
>> Are you talking about *finalizers* or *destructors* ?
>>
>> Throwing from inside a destructor should definitely work (unlike C++).
>> But finalizers should probably be nothrow.
>
> How would you distinguish the two in the language? Class destructors =
> finalizers?
Yes.
struct destructor = destructor
> Come to think of it, SafeD shouldn't allow accessing anything on the
> heap in finalizers as well...
Yeah. It's pretty hard to come up with a use case for a finalizer.
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