[Mono-dev] [PATCH] Add async to dmcs

Rafael Teixeira monoman at gmail.com
Fri Nov 19 07:51:44 EST 2010

In keeping with our long tradition (mcs, gmcs, dmcs), perhaps this
should be the start of our newest compiler: amcs.

Just my two cents,

Rafael "Monoman" Teixeira
"We live in a world operated by science and technology. We have also
arranged things so that almost no one understands science and
technology. This is a prescription for disaster. We might get away
with it for a while, but sooner or later this combustible mixture of
ignorance and power is going to blow up in our faces."
-Carl Sagan

On Thu, Nov 18, 2010 at 6:44 PM, Alex Corrado
<alexander.corrado at gmail.com> wrote:
> As a starting point, I've added the "async" method modifier to dmcs, which
> will be recognized when "-langversion:Future" is passed. This is my first
> foray into the mcs codebase and I just want to make sure I'm on the right
> track before going much further.
> The patch is attached and also applied at https://github.com/nirvanai/mono.
> Thanks for your time with this.
> Best,
> Alex
> On Tue, Nov 16, 2010 at 10:14 AM, Marek Safar <marek.safar at gmail.com> wrote:
> Hello,
> I just noticed this thread, and I'm curious, when you say:
>> The async/await is about asynchrony and spawn/sync is about parallelism.
>> These are 2 different things which should not be mixed together.
> Do you mean they should not be confused, or do you literally mean that these
> technologies (or paradigms, if you will) should not be combined? If this is
> the case, I'm curious to learn why you say that, since I'm toying with idea
> of hybrid threading for a concurrency framework I'm working on
> (https://github.com/nirvanai/Cirrus).
> I don't see any problem combining these two together when needed, my point
> was simply that they mean 2 different things.
>> Mono C# compiler has no async support yet (the .NET preview has been
>> announced few days ago!) but we are fully aware of it and we will
>> implement it as soon as time permits.
> I implemented async methods (before I knew they were to be a language
> feature) using Cecil for the framework I mentioned. I think the coroutine
> transformation I'm doing is pretty similar to the way Microsoft is doing
> things in their async preview. I'd certainly be willing to take a stab at
> adding async support to the Mono C# compiler if/when you think that might be
> beneficial.
> Patches are always welcomed. However, the approach will be different as the
> rewrite will happen at expression level (you don't need Cecil).
> Marek
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