[DGD] Scope call syntax

Blain blain20 at gmail.com
Mon Feb 13 22:13:30 CET 2017


I realized after I hit send that I'm segfaulting because I'm within
unlimited stack rlimits. :)  I guess I should load user-made subdomains
after a callout from initd's create().

On Mon, Feb 13, 2017 at 3:10 PM, Blain <blain20 at gmail.com> wrote:

> I have this bad habit of letting up on the SHIFT key while typing "::" and
> doing "mylib:;func()".  A few times, it's actually caused (or seemed to
> cause) a segfault.
>
>
> So, I made a bare instance with klib only and had System/initd load an
> object which inherited a lib using the typo, and, not only did it not bug
> out or error at all, it ignored the "mylib:;" part.
> Syntactically-speaking, what does DGD see "mylib:;" as?  I'm sure the
> reason for the segfault was mylib:;create() recursively calling the local
> create(), so that's not my question.  I'm curous why mylib: is being seen
> as kosher LPC.  As an aside, could the recursive segfault be fixed to just
> abort and error out, possibly?  I'm finding a lot of ways where a wayward
> user could crash DGD maliciously.
>
> Example code:
>
> [System/lib/lib.c]
>
> void func() { DRIVER->message("func called\n"); }
>
> [System/obj/obj.c]
>
> inherit mylib "~System/lib/lib";
>
> void create() { mylib:;func();  }
>
>



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