74 lines
1.8 KiB
Perl
74 lines
1.8 KiB
Perl
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use 5.20.0;
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use experimental qw/ signatures postderef /;
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use List::AllUtils qw/ any /;
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my @commands = <>;
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my @prog = map { bless
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{ q => [], id => $_, reg => { p => $_ }, }, 'Prog'
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} 0..1;
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use DDP;
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my $sent1;
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package Prog {
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my $vr = qr/(?<val>-?\d+|.)/;
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sub valof($self, $x) {
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$x =~ /\d/ ? $x : $self->{reg}{$x};
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}
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sub run($self) {
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while() {
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use DDP;
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my $i = $self->{i};
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my $c = $commands[$i] or return;
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if( $c =~ /snd (.)/ ) {
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warn ++$sent1 if $self->{id};
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push $prog[ 1 - $self->{id} ]->{q}->@*, $self->valof($1);
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}
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elsif( $c =~ /set (.) $vr/ ) {
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$self->{reg}{$1} = $self->valof($2);
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}
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elsif( $c =~ /add (.) $vr/ ) {
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$self->{reg}{$1} += $self->valof($2);
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}
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elsif( $c =~ /mul (.) $vr/ ) {
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$self->{reg}{$1} *= $self->valof($2);
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}
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elsif( $c =~ /mod (.) $vr/ ) {
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$self->{reg}{$1} %= $self->valof($2);
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}
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elsif( $c =~ /jgz (.) $vr/ ) {
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$self->{i} += ($self->valof($1) > 0) ? $self->valof($2) : 1;
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next;
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}
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elsif( $c =~ /rcv (.)/ ) {
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return unless $self->{q}->@*;
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my $j = shift $self->{q}->@*;
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$self->{reg}{$1} = $j;
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}
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else { die "wut? $_"; }
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$self->{i}++;
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}
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}
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}
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while() {
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$prog[1]->run;
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$prog[0]->run;
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# p @prog;
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# my $dummy = <STDIN>;
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warn join ":", map { $_->{i} } @prog;
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last unless any { scalar $_->@* } map { $_->{q} } @prog;
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last if 2 == grep { $_ >= @commands } map { $_->{i} } @prog;
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}
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say $sent1;
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