On Sat, Jan 7, 2012 at 11:42 PM (a long while ago), Rocky Bernstein
> - - -
>
> I was looking at perl5db code and noticed that numeric value of @dbline is
> its COP reference. (In trepan.pl "info program" now shows this when it is
> available). I thought this would be a win for being able to more precisely
> indicate where you are and to set breakpoints within lines which have
> multiple statements on them.
>
> Such an example line might be:
>
> if ($x) { $y--; if ($y) { $z += 1 } else { $z -= 1 }; } else { $z = 10 };
>
> If you disassemble via B::Concise, you'll see several COPs for this line.
> However the @dbline entry for that line always seems to be the first COP
> rather than the one that called DB::DB.
>
What I've been looking for is Devel::Callsite
