Exception/Error division in D

deadalnix deadalnix at gmail.com
Fri Jun 1 11:16:52 PDT 2012


Le 01/06/2012 14:16, Tobias Pankrath a écrit :
> On Friday, 1 June 2012 at 12:03:15 UTC, deadalnix wrote:
>> Le 01/06/2012 12:29, Walter Bright a écrit :
>>> On 6/1/2012 1:15 AM, Jens Mueller wrote:
>>>> Since the current implementation does not follow the specification
>>>> regarding scope and finally block being executed in case of Error will
>>>> try ... catch (...Error) keep working?
>>>
>>> No. The reason for this is the implementation was not updated after the
>>> split between Error and Exception happened. It was overlooked.
>>>
>>>> I have code that uses
>>>> assertThrows!AssertError to test some in contracts. Will this code
>>>> break?
>>>
>>> I don't know exactly what your code is, but if you're relying on scope
>>> to unwind in the presence of Errors, that will break.
>>>
>>
>> If you have an error, it is already broken in some way.
>>
>> But this is unreasonable to think that the whole program is broken,
>> except in very specific cases (stack corruption for instance) but in
>> such a case, you can't throw an error anyway.
>
> I agree. It should be possible to have an plugin system where not every
> null pointer dereference in a plugin screws up the hole program. Without
> using different processes for the plugin.
>
> 90% of null pointer dereferences are simple bugs not memory corruption.
>

You want to crash an airplane or what ???


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