Re: [Vala] How to ignore exceptions?

[rastersoft <raster rastersoft com>]

Yes, I like it!

El 01/11/11 00:46, Fabian Deutsch escribió:
> Maybe
>
>    nocatch { ... }
>
> would make that case even clearer.
>
> Am Dienstag, den 01.11.2011, 00:43 +0100 schrieb rastersoft:
> > I don't think that
> >
> >       try { ... }
> >
> > is a good idea, but
> >
> >       try { ... };
> >
> > is. Just removing the catch can result in involuntary errors, but if you
> > have to choose between a ";" or a "catch", the probability of
> > "forgetting" it is greatly reduced.
> >
> > El 31/10/11 23:22, pancake escribió:
> > > Hi
> > >
> > > On 31/10/2011, at 20:16, Aleksander Wabik<alex wabik gmail com>   wrote:
> > >
> > > > My 2 pennies:
> > > >
> > > > > What about adding a code attribute like [IgnoreException] ? that would perform better than trycatching
> > > > It seems the most logical option to me. Vala is a language that allows
> > > > ignoring exceptions, and (as far as I remember, it was a while ago when
> > > > I was writing my vala code) it generates code printing warning about
> > > > uncaught exception each time the exception is thrown, but not caught. I
> > > > guess that we should have two solutions (not one or the other, but both
> > > > implemented):
> > > > - command line switch like -Wno-exceptions - it would disable all
> > > >    warnings about uncaught exceptions at the compile time, and in the
> > > >    non-debug builds it would also cause not generating code for printing
> > > >    exception information if the exception is thrown;
> > > Looks an ugly solution to me. Some of those exceptions are important :)
> > >
> > > > - and some code attribute, that could be used in code, if the author is
> > > >    100% sure that in this particular case exception will never be
> > > >    thrown, or that it can be ignored (compile and run time behaviour the
> > > >    same as above).
> > > The option of allowing syntax like
> > >
> > > Try { ... }
> > >
> > > Without catch looks good to me, and probably cleaner than adding a code attribute.
> > >
> > > But i dont know of any lang that does this already.. So maybe its inconsistent
> > >
> > >
> > > > Both these features have the advantage that no syntax changes in the
> > > > language are needed.
> > > >
> > > > best regards,
> > > >
> > > > > On 31/10/2011, at 10:06, Xavier Bestel<xavier bestel free fr>   wrote:
> > > > >
> > > > > > On Sun, 2011-10-30 at 11:04 -0400, Sam Wilson wrote:
> > > > > > > Perhaps a better way to do this is like this:
> > > > > > >
> > > > > > > string[] test = new string[3];
> > > > > > > for (int i = 0; i<   3; i++)
> > > > > > > {
> > > > > > >      try
> > > > > > >      {
> > > > > > >          test[i] = kf.get_string(group, key);
> > > > > > >      }
> > > > > > >      catch (KeyFile.Error error)
> > > > > > >      {
> > > > > > >          // Do nothing
> > > > > > >      }
> > > > > > > }
> > > > > > > if (!test[0]&&   !test[1]&&   !test[3]) return false;
> > > > > > >
> > > > > > > What do you think?
> > > > > > Won't that interrupt the execution flow, i.e. if the first
> > > > > > g_key_file_get_string() throws an exception, the other ones won't be
> > > > > > executed ?
> > > > > >
> > > > > >     Xav
> > > > > >
> > > > > > _______________________________________________
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