Beefy Boxes and Bandwidth Generously Provided by pair Networks
XP is just a number
 
PerlMonks  

Re^2: How to de-reference a coderef? (B tricks)

by Anonymous Monk
on Aug 24, 2011 at 01:14 UTC ( #922026=note: print w/replies, xml ) Need Help??


in reply to Re: How to de-reference a coderef? (B tricks)
in thread How to de-reference a coderef?

How do you do this in XS? Given a CV how do you get the name for the corresponding named sub?
  • Comment on Re^2: How to de-reference a coderef? (B tricks)

Replies are listed 'Best First'.
Re^3: How to de-reference a coderef? (B tricks)
by ikegami (Pope) on Aug 25, 2011 at 04:29 UTC
    use strict; use warnings; use feature qw( say ); use Inline C => <<'__EOI__'; SV* coderef2name(CV* cv) { const GV * const gv = CvGV(cv); const HV * const stash = GvSTASH(gv); const char * const pkg_name = HvNAME(stash); const char * const func_name = GvNAME(gv); SV * const fqn = newSVpvn("", 0); sv_catpv(fqn, pkg_name); sv_catpv(fqn, "::"); sv_catpv(fqn, func_name); return fqn; // Mortalised by Inline } __EOI__ sub f {} say coderef2name(\&f);
Re^3: How to de-reference a coderef? (B tricks)
by Anonymous Monk on Aug 25, 2011 at 01:14 UTC
    You call coderef2name from XS, that is how you do it

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://922026]
help
Chatterbox?
[Corion]: marto: Live video or are they recording and storing inspection videos? If it's for archival, who is rewatching that stuff? ;)
[Discipulus]: imperial infiltration
[marto]: Corion none of it is live, all recordings, in the first instance they need to transfer video from dead/dying media (DVDR, VHS, Laserdisc and so on)
[marto]: Discipulus, yeah pretty much robots going around parts of the plant humans can't

How do I use this? | Other CB clients
Other Users?
Others browsing the Monastery: (7)
As of 2017-07-28 09:39 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?
    I came, I saw, I ...
























    Results (425 votes). Check out past polls.