Re: git grep --show-function treats GOTO labels as function names

>
> It looks like that does the trick for "goto" labels, but there are
> also some issue on function name parsing with attributes when they are
> split onto a second line.
>
> $ cat attr.cpp
> int main() __attribute__ ( (no_sanitize("alignment")) )
> {
>     FOO
> }
> $ git grep --no-index --show-function -e FOO attr.cpp
> attr.cpp=2=__attribute__ ( (no_sanitize("alignment")) )
> attr.cpp:4:    FOO
>
> Zach Riggle
>
> On Wed, May 27, 2020 at 5:54 PM Zach Riggle <zachriggle@gmail.com> wrote:
> >
> > Awesome, thanks!
> >
> >
> > Zach Riggle
> >
> > On Wed, May 27, 2020 at 5:48 PM Jeff King <peff@peff.net> wrote:
> > >
> > > On Wed, May 27, 2020 at 05:29:08PM -0500, Zach Riggle wrote:
> > >
> > > > It looks like there is an issue with how the parser handles "goto"
> > > > labels, as it treats them the same as a function name.
> > >
> > > By default, the function-finding isn't aware of the specific content in
> > > the file. But you can associate extensions with particular types, like:
> > >
> > >   $ echo '*.cpp diff=cpp' >~/.gitattributes
> > >   $ git config --global core.attributesFile ~/.gitattributes
> > >   $ git grep --no-index --show-function -e FOO test2.cpp
> > >   test2.cpp=int main() {
> > >   test2.cpp:    FOO
> > >   test2.cpp:    FOO
> > >
> > > Usually this is done in-repo, but since your example used --no-index, I
> > > showed how to set up a per-user attribute file. The "diff" attribute
> > > covers both diff and grep (for diff, the hunk headers will also show the
> > > function).
> > >
> > > The "cpp" diff regexes are built-in to the git binary. We just don't
> > > associate any filenames by default. You can also add your own; see the
> > > section "Defining a custom hunk-header" from "git help attributes".
> > >
> > > -Peff