Why is the error message coming by the end of the compilation?

[bauss]

On Sunday, 15 April 2018 at 15:55:15 UTC, ag0aep6g wrote:
> On 04/15/2018 05:33 PM, bauss wrote:
>> On Sunday, 15 April 2018 at 10:27:26 UTC, ag0aep6g wrote:
>>> On 04/14/2018 08:56 PM, bauss wrote:
>>>> I wish there was a way to give a mixin some kind of identity 
>>>> like:
>>>>
>>>> mixin("mymixin", "somecode");
>>>>
>>>> Where an error message would print something like:
>>>>
>>>> Error in mixin("mymixin"): ...
> [...]
>>>     mixin("#line 1 \"mymixin\"\n" ~ "somecode;");
>>>         /* mymixin(1): Error: undefined identifier somecode */
> [...]
>> I don't see how the #line will help because you don't know 
>> which mixin the line would be associated with as they can come 
>> in any order.
>
> I don't follow. It's not about setting the line number. The 
> point is setting the source file name to "mymixin".
>
> You asked for a way associate a name with a string mixin, and 
> have that name included in errors. As far as I see, `#line` 
> lets you do that.
>
> Note how the error message in my example shows "mymixin".

Oh, I'm sorry I didn't notice that, my bad.

I guess adding that would be the equivalent to what my proposal 
is.

I'll give it a try and come back