}
my %ops;
+
$ops{$_} = 1 for scalops;
$ops{$_} = 0 for qw/stub nextstate/;
$ops{$_} = 1 for qw/padsv/;
$ops{$_} = 'list' for qw/padav/;
$ops{$_} = 'list' for qw/padhv rv2hv/;
-$ops{$_} = 'list' for qw/padany flip match entereval readline/;
+$ops{$_} = 'list' for qw/padany match entereval readline/;
+
$ops{each} = { 0 => 0.5, 2 => 0.5 };
$ops{stat} = { 0 => 0.5, 13 => 0.5 };
+
$ops{caller} = sub { my @a = caller 0; scalar @a }->();
$ops{localtime} = do { my @a = localtime; scalar @a };
$ops{gmtime} = do { my @a = gmtime; scalar @a };
+$ops{$_} = { 0 => 0.5, 10 => 0.5 } for map "gpw$_", qw/nam uid ent/;
+$ops{$_} = { 0 => 0.5, 4 => 0.5 } for map "ggr$_", qw/nam gid ent/;
+$ops{$_} = 'list' for qw/ghbyname ghbyaddr ghostent/;
+$ops{$_} = { 0 => 0.5, 4 => 0.5 } for qw/gnbyname gnbyaddr gnetent/;
+$ops{$_} = { 0 => 0.5, 3 => 0.5 } for qw/gpbyname gpbynumber gprotoent/;
+$ops{$_} = { 0 => 0.5, 4 => 0.5 } for qw/gsbyname gsbyport gservent/;
+
sub enter {
my ($self, $cv) = @_;
sub pp_leaveloop { $_[0]->expect_return($_[1]->first->sibling) }
+sub pp_flip {
+ my ($self, $op) = @_;
+
+ $op = $op->first;
+ return 'list' if name($op) ne 'range';
+
+ my $begin = $op->first;
+ if (name($begin) eq 'const') {
+ my $end = $begin->sibling;
+ if (name($end) eq 'const') {
+ $begin = $self->const_sv($begin);
+ $end = $self->const_sv($end);
+ no warnings 'numeric';
+ return int(${$end->object_2svref}) - int(${$begin->object_2svref}) + 1;
+ } else {
+ my ($p, $r) = $self->expect_return($end);
+ return $p => 1 if $r;
+ }
+ } else {
+ my ($p, $r) = $self->expect_return($begin);
+ return $p => 1 if $r;
+ }
+
+ return 'list'
+}
+
=head1 EXPORT
An object-oriented module shouldn't export any function, and so does this one.