That works, thank you!
Cheers,
/fuad
On Wed, Jun 23, 2021 at 9:54 AM Julia Lawall <julia.law...@inria.fr> wrote:
>
>
>
> On Wed, 23 Jun 2021, Fuad Tabba wrote:
>
> > Hi,
> >
> > I have a semantic patch that inserts a new variable definition into a
> > function. I would like it if that variable definition is the only one
> > in the function, then it should add a new line to separate the
> > definition from following statements (Linux code formatting style).
> >
> > I thought that doing this in two steps might be easier, i.e., add the
> > definition, then check and add a newline if a statement follows:
> >
> > @@
> > identifier x;
> > identifier func;
> > statement S;
> > @@
> > func(...)
> > {
> > struct kvm_cpu_context *x = ...;
> > + newline;
> > S
> > ...
> > }
> >
> > The above works as expected, and it adds "newline;" after the
> > definition of x. The thing is, is it possible to add an actual new
> > line, as opposed to a non-whitespace string? I tried just using a +
> > but that didn't work.
>
> I think that the problem is not that the change is not being made, but
> that spatch doesn't think it's worth showing you the change, since the
> only change is in the whitespace. Try adding the argument --force-diff
>
> Note that you can cause this argument to always be used with your semantic
> patch by putting
>
> #spatch --force-diff
>
> at the top of the file.
>
> julia
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