do this...
[[[[ a block of code where you do something that can singal different
exceptions ]
on: XXXError
do: [ : ex | 'I do what I need to do when I get the error XXX' ]]
on: YYYError
do: [ : ex | 'I do what I need to do when I get the error YYY' ]]
on: Error
do: [ : ex | 'here I do in the rest of the cases' ]]
ensure: [ 'Here I do what I always need to do, no matter if there is an
error or not' ]
2009/10/1 Mariano Martinez Peck <[email protected]>
> Hi folks: First of all I have to say I am pretty sad that error handling
> hasn't a special place in the PBE. In my opinion having a good error
> handling is a MUST in every piece of code. We need to use exceptions. I
> didn't collaborate at all with PBE so I cannot say anything to no one :) I
> will try to write something for the next version if you want. But first...
>
> We need a better error handling. It is very common to have a hierarchy of
> exceptions or errors. You have subclasses of Error for example. And many
> times, you want to do or not to do or even do something different depending
> on the error you got. Now, the question is, how you do this in Squeak ???
>
> This is the only (ugly) way I find to do it:
>
> [ a block of code where you do something that can singal different
> exceptions ]
> on: XXXErrror do: [ : ex | ex class = XXXError if True: [ 'I do what
> I need to do when I get the error XXX' ].
> ex class = YYYError if True: [ 'I
> do what I need to do when I get the error YYY' ].
> 'here I do in the rest of the
> cases'
> ]
>
>
> But, I would like to have something like this:
>
>
> [ a block of code where you do something that can singal different
> exceptions ]
> on: XXXError
> do: [ : ex | 'I do what I need to do when I get the error XXX' ]
> on: YYYError
> do: [ : ex | 'I do what I need to do when I get the error YYY' ]
> on: Error
> do: [ : ex | 'here I do in the rest of the cases' ]
> ensure: [ 'Here I do what I always need to do, no matter if there is an
> error or not' ]
>
>
> What do you think about this? does someone ever did something like this ?
> perhaps we can put this as part of 1.1
>
> I listen opinions.
>
> Best,
>
> Mariano
>
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