[fpc-devel] Non-local goto’s and nested exits

[Florian Klaempfl]

Am 14.10.2010 14:09, schrieb Adriaan van Os:
> Jonas Maebe wrote:
>>
>> On 04 Oct 2010, at 12:17, Adriaan van Os wrote:
>>
>>> I wonder if there is anything special that hinders the implementation
>>> of non-local goto’s and nested exits in macpas mode.
>>
>> Afaik it's mainly a matter of no one caring enough about it to
>> implement it. Florian did recently add support for non-local goto's in
>> ISO mode, but it uses setjmp/longjmp directly and therefore probably
>> doesn't play nice with automated types.
> 
> You mean, for example, the implicit exception handling of Ansistrings ?

Yes, I think I didn't handle this properly. Gotos out and into
procedures having implicit exeception handling should be forbidden. My
patch does not check all involved procedures but this should be easy to
implement.