Intresa in Static Analysis for D ?

Stefan Koch via Digitalmars-d digitalmars-d at puremagic.com
Tue Nov 15 08:38:39 PST 2016


On Tuesday, 15 November 2016 at 16:28:30 UTC, Basile B. wrote:
> On Tuesday, 15 November 2016 at 14:45:29 UTC, Stefan Koch wrote:
>> Hi Guys,
>>
>> I was wondering how much interest in static analysis exists in 
>> this community .
>> DMD already has rudimentary support for these kinds of things.
>
> cyclic complexity
> NPath complexity
> Halstead complexity
>
> 3 nice fields of static analysis.
>
> I'm currently working on Halstead 
> (https://github.com/BBasile/Coedit/blob/master/dastworx/src/halstead.d)
>
> The Halstead metric (1977) is often considered as ratio of the 
> number of line code, while it's actually not at all. The 
> Halstead is based on the operations and the operations 
> arguments. You can have small functions using a lot of operands 
> that will be bug prone. You can have huge functions with very 
> few operands used and that are not bug prone. The Halstead 
> metric can detect them. It can tell you: "take care of this 
> function".
>
> ;]

I think you mixed up Pow and Xor.

You will probably want to change from a AA to a normal array and 
just assign a numeric index to each expression you care about :)




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