Bug#618555: spatch: exception Failure("More that one variable in decl. Have to split to transform.")

[Julia Lawall <julia@diku.dk>]

On Sun, 27 Mar 2011, Jonathan Nieder wrote:

> Julia Lawall wrote:
> 
> > There is no short term solution for the semantic patch as written.  But it 
> > is possible to reorganize the semantic patch in this case to make it work.
> > The transformation needs to be just on the specific declared variable, and 
> > not on the complete declaration statement:
> >
> > @@
> > identifier x;
> > type T;
> > @@
> >
> > T x
> > - = x
> >   ;
> 
> Neat trick.
> 
> I just remembered another feature request: would it be difficult for
> spatch to write a relevant filename and line number with its error
> messages?  (In this example, I made do by repeatedly bisecting the set
> of files passed on the command line.)

I've done that.

Typically, when I want to work on an entire directory, I give spatch the 
option -dir dirname, and then it prints out the names of the files as it 
treats them.  It doesn't help with the line number, though.  In any case, 
I changed the code to print out both information.

julia