DMD now does Dwarf style exception handling!

[Iain Buclaw via Digitalmars-d]

On 5 January 2016 at 17:24, Walter Bright via Digitalmars-d <
digitalmars-d at puremagic.com> wrote:

> On 1/5/2016 1:17 AM, Iain Buclaw via Digitalmars-d wrote:
>
>> Catching from any foreign language that interacts with the same EH
>> interface
>> should be easy.  Just bear in mind that each language may put the thrown
>> object
>> proper in a different place.
>>
>
> Doing unwinding in D frames when foreign exceptions are in-flight is easy,
> because no knowledge of those FEs is required.
>
> Catching them, however, requires detailed knowledge of exactly how they
> work. This is not so easy. Catching C++ exceptions in D code will require
> some careful study and work, and that work will not be transferable to
> other FEs.
>
> But since there seems to be 0 demand for catching other FEs, or even
> interfacing D to other languages, this shouldn't be a problem.
>
>
I gave a very abridged example here:

http://forum.dlang.org/post/mailman.2091.1447287382.22025.digitalmars-d@puremagic.com

Referenced unwind-cxx.h is found in a github mirror:

https://github.com/gcc-mirror/gcc/blob/1e9147dd7b41b6e32c25501b50df73e74b75387f/libstdc%2B%2B-v3/libsupc%2B%2B/unwind-cxx.h#L58-L98
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