> Regarding meaning, well, I’m looking for places where var is checked for 
> nullness/non-nullnes.
> That’s the most obvious way I’ve found to express that…

By the way:
Do you need to extend your source code search pattern with else clauses
for the shown if statements?


>> Would you like to store involved function names into specific
>> data structures (like databases)?
> 
> The purpose of my question is to see if there’s a way to do this within 
> coccinelle.

It can become possible.

Would you like to help in improving the corresponding OCaml source files?


> If there’s no such a way, then, well, I’ll definitely consider constructing
> that regexp through some external script.

How do you think about to reuse any ideas from my approach for an other
semantic filter?

https://lkml.org/lkml/2014/3/5/356
http://article.gmane.org/gmane.comp.version-control.coccinelle/3513/
https://systeme.lip6.fr/pipermail/cocci/2014-March/000676.html

Regards,
Markus

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