ack pir:: rakudo

src/core/CallFrame.pm
9:        my Mu $interp := pir::getinterp__P;

src/core/control.pm
11:        pir::setattribute__vPsP($ex, 'severity', pir::const::EXCEPT_NORMAL);
144:    nqp::bindattr($ex, Exception, 'severity', nqp::p6box_i(pir::const::EXCEPT_WARNING));
174:            pir::spawnw__IP(
202:                    pir::spawnw__Is(nqp::unbox_s($cmd)),

src/core/Exception.pm
100:        if $type == pir::const::EXCEPTION_METHOD_NOT_FOUND &&
175:            pir::perl6_based_rethrow__0PP(nqp::getattr(nqp::decont($!), Exception, '$!ex'), $ex);
235:            pir::perl6_invoke_catchhandler__vPP(&print_exception, $ex);
248:            pir::perl6_invoke_catchhandler__vPP(&print_control, $ex);

src/core/IO/Socket/INET.pm
95:        my str $sep = pir::trans_encoding__SSI(
97:            pir::find_encoding__IS($encoding));

src/core/IO/Socket.pm
13:                my Mu $bb := pir::new__Ps('ByteBuffer');
14:                pir::set__vPs($bb, $r);
42:            my Mu $parrot_buf := pir::new__PS('ByteBuffer');
43:            pir::set__vPS($parrot_buf, $!PIO.read(nqp::unbox_i($bufsize - nqp::chars($res))));

src/core/IO/Spec.pm
20:    my $submodule = %module{ nqp::atkey(nqp::atpos(pir::getinterp__P, pir::const::IGLOBALS_CONFIG_HASH), 'osname') };

src/core/IO.pm
457:        my Mu $RSA := pir::new__PS('OS').readdir(nqp::unbox_s($!path));
460:            my Str $file := nqp::p6box_s(pir::trans_encoding__Ssi(
462:    		pir::find_encoding__Is('utf8')));
595:		pir::trans_encoding__Ssi(
597:			pir::find_encoding__Is('utf8'))

src/core/Mu.pm
648:    my str $type  = pir::typeof__SP($topic);

src/core/terms.pm
63:                        nqp::atpos(pir::getinterp__P, pir::const::IGLOBALS_CONFIG_HASH))
153:        pir::trans_encoding__Ssi(
155:            pir::find_encoding__Is('utf8'))
184:        nqp::p6box_s(pir::interpinfo__Si(pir::const::INTERPINFO_EXECUTABLE_FULLNAME));