On 10/21/19 5:37 PM, Tom Hacohen wrote:
I agree it's most of them, though it's not all of them. IIRC there are
some that indicate "nothing happened", at least in textblock. It
shouldn't be too hard to fix these though.
Maybe in general we need a way to mark a return/parameter as an error
indicator? It's just a half-baked thought, though maybe worth exploring.
Maybe some internal "error_flag" type from eolian, which can be
translated to a Exception in the languages supporting them, or to a
simple Eina_Bool in case of C ?
It can only be returned (so exceptions do work). This would also not
mean a API/ABI break to C.
--
Tom
On 21/10/2019 17:49, Xavi Artigas wrote:
Hi people,
We are encountering a problem when matching EO properties to C# properties,
since the C# ones cannot have a return value.
We mostly use return values in EO property setters to indicate error
conditions and this is pretty easily matched to C# by throwing an
exception. We just need to know WHEN a returned bool from a setter really
means ERROR and when it is not.
Currently, all property setters in our tree returning a bool use it to
indicate an error, so it is just a matter of we all agreeing that in the
future this will always be the case (and documenting it).
If we agree on this, then the C# bindings can start throwing exceptions on
setters returning FALSE (there's a patch ready, but I cannot access it
right now).
If nobody has anything against it, I'll land this patch in a week (October
28th).
Thanks!
Xavi
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