madmaurice/Minilisp.pm
1
1
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Add bitwise operations

Browse source
This commit is contained in:
madmaurice 2021-04-02 03:36:39 +02:00
parent af9a6acd53
commit 106a58991d
1 changed files with 27 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
lib/Minilisp.pm
View file

@ -162,6 +162,33 @@ my %stdctx = (
'string-not-greaterp' => sub { my ($a, $b) = @_; return !(lc($a) gt lc($b)); },
'string-not-lessp' => sub { my ($a, $b) = @_; return !(lc($a) lt lc($b)); },
# Bitwise operations
'logand' => sub {
my $v = -1;
$v &= $_ foreach (@_);
return $v;
},
'logior' => sub {
my $v = 0;
$v |= $_ foreach (@_);
return $v;
},
'logxor' => sub {
my $v = 0;
$v ^= $_ foreach (@_);
return $v;
},
'lognor' => sub {
my $v = -1;
$v |= $_ foreach (@_);
return ~$v;
},
'logeqv' => sub {
my $v = 0;
$v ^= $_ foreach (@_);
return ~$v;
},
# Constants
't' => 1,
'f' => 0,