just don't use the try-catch block:
str1 = kf.get_string(group, key);
str2 = kf.get_string(group, key);
str3 = kf.get_string(group, key);
This will give you a warning during compile but should be the thing you
are looking for.
jm.
Am Sonntag, den 30.10.2011, 19:04 +0800 schrieb PCMan:
> Hi all,
> I started using Vala recently and I'm confused by exception handling in
> Vala.
> I'm quite used to write C/GObject code and handles GError.
> However, with exceptions, flow-control becomes quite different.
> For example, I'm reading values from a KeyFile.
> With C/glib, I can pass NULL GError* pointer to g_key_file_get_string() to
> ignore any errors.
> If the errors are not critical for my program, it's safe to ignore them all
> like this.
>
> str1 = g_key_file_get_string(kf, group, key, NULL);
> str2 = g_key_file_get_string(kf, group, key, NULL);
> str3 = g_key_file_get_string(kf, group, key, NULL);
> if( !str1 && !str2 && !str3)
> return FALSE;
>
> With Vala, I cannot do this. If I use try/catch, things are totally
> different.
>
> try {
> str1 = kf.get_string(group, key);
> str2 = kf.get_string(group, key);
> str3 = kf.get_string(group, key);
> }
> catch(KeyFile.Error error) {
> // If anyone of the preceding calls fails, we get here.
> // then I cannot continue getting the remaining strings from key file.
> }
> If get str1 fails, the excution jumps to catch() block, and I cannot
> continue reading str2 and str3.
>
> Of course I can do this:
> try {
> str1 = kf.get_string(group, key);
> }
> catch(KeyFile.Error error) {
> }
> try {
> str2 = kf.get_string(group, key);
> }
> catch(KeyFile.Error error) {
> }
> try {
> str3 = kf.get_string(group, key);
> }
> catch(KeyFile.Error error) {
> }
>
> Apparently, this looks even worse then its C/glib counterpart.
> So, how to ignore the GErrors/vala excaptions anyways?
>
> Thank you all.
> _______________________________________________
> vala-list mailing list
> [email protected]
> http://mail.gnome.org/mailman/listinfo/vala-list
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