Visual D 0.51.0-beta1: DMD based semantic engine

[AlphaPurned]

On Saturday, 30 November 2019 at 08:59:09 UTC, Rainer Schuetze 
wrote:
>
>
> On 28/11/2019 16:51, AlphaPurned wrote:
>> On Sunday, 17 November 2019 at 18:11:29 UTC, Rainer Schuetze 
>> wrote:
>>> Hi,
>>>
>>> I have just released a new beta version of Visual D, see
>>>
>>> https://github.com/dlang/visuald/releases/tag/v0.51.0-beta1
>>>
>>> The most important new feature: a semantic engine based on 
>>> the DMD frontend. You can enable it with the respective 
>>> option on the global TextEditor->D->"Intellisense" options 
>>> page.
>>>
>>> I think it already works quite well for browsing source code, 
>>> but I haven't yet worked too much on code completion.
>>>
>>> Some known issues:
>>>
>>> - dmdserver.exe eats a lot of memory, you might want to kill 
>>> the process from time to time.
>>>
>> 
>> Why not monitor the amount it is using and how much to the 
>> total and kill it automatically? or could it be killed for 
>> every compilation just in case to prevent out of memory errors 
>> if the free memory is not significant. Not sure if there is 
>> some good option here but it should be automatable for the 
>> most part.
>> 
>
> That could be a strategy but the actual goal is to find out why 
> the frontend holds on to so much memory.
>
> The server process is using the precise GC in a 64-bit process 
> (but with limited type information as the way memory is 
> allocated throws away some of that info), so false pointers 
> shouldn't occur too often. I have found a number of stale 
> pointers already, but there seem to be more.

There should still be some fall back so that one can compile a 
program without getting an out of memory error. I don't know the 
specifics though. Just seems like if it is taking up a 
significant amount of memory it might need to be killed 
automatically rather than ruining a compilation.