X-Git-Url: http://git.vpit.fr/?a=blobdiff_plain;f=lib%2FSub%2FNary.pm;h=427ee8c7eb7cfe3b021d58ae0887117bd1523bfc;hb=cab48037c2f684dd60d1860bdc2efa3d10d3e7a3;hp=eb26dfce3d24a411987ab91e49aba22a3fcbb10c;hpb=08ec5acb4cc88d8cc10fec0520d8cd075c08fda1;p=perl%2Fmodules%2FSub-Nary.git

diff --git a/lib/Sub/Nary.pm b/lib/Sub/Nary.pm
index eb26dfc..427ee8c 100644
--- a/lib/Sub/Nary.pm
+++ b/lib/Sub/Nary.pm
@@ -198,18 +198,28 @@ sub add {
 }
 
 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) = @_;
 
@@ -436,6 +446,32 @@ sub pp_aassign { $_[0]->expect_any($_[1]->first) }
 
 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.