[fpc-devel] [Patch/RFC] Warnings for (in/over)complete case statements

Sven Barth pascaldragon at googlemail.com
Wed Jan 2 11:20:32 CET 2019

Am Mi., 2. Jan. 2019, 11:08 hat Bart <bartjunk64 at gmail.com> geschrieben:

> On Wed, Jan 2, 2019 at 9:44 AM Martok <listbox at martoks-place.de> wrote:
> > - If a case statement on an ordinal does not contain labels for all
> values of
> > the ordinal, and no else statement is given, raise a new warning
> (W6059). This
> > is actually defined as an error in ISO7185 and a dynamic-violation in
> IEC10206.
> So now I will have to add a useless else statement for every case
> statement that uses e.g. integers, or rewrite them to if..then..else
> or if value in [...]?
> And how will I mage this when my code runs on different architecture
> where the full range of the ordinal may differ?
> Please no (to this part of the proposal).

Warnings can always be disabled by {$warn NR off} or - I believe - a
command line switch.
One could also decide to have it be a default off warning for the non ISO
modes (FPC, Delphi, MacPas) like some of the string conversion warnings.


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