diff options
Diffstat (limited to 'beagle/debian-rfs/usr/share/perl/5.10.1/base.pm')
| -rw-r--r-- | beagle/debian-rfs/usr/share/perl/5.10.1/base.pm | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/beagle/debian-rfs/usr/share/perl/5.10.1/base.pm b/beagle/debian-rfs/usr/share/perl/5.10.1/base.pm deleted file mode 100644 index 98a388c..0000000 --- a/beagle/debian-rfs/usr/share/perl/5.10.1/base.pm +++ /dev/null @@ -1,181 +0,0 @@ -package base; - -use strict 'vars'; -use vars qw($VERSION); -$VERSION = '2.14'; -$VERSION = eval $VERSION; - -# constant.pm is slow -sub SUCCESS () { 1 } - -sub PUBLIC () { 2**0 } -sub PRIVATE () { 2**1 } -sub INHERITED () { 2**2 } -sub PROTECTED () { 2**3 } - -my $Fattr = \%fields::attr; - -sub has_fields { - my($base) = shift; - my $fglob = ${"$base\::"}{FIELDS}; - return( ($fglob && 'GLOB' eq ref($fglob) && *$fglob{HASH}) ? 1 : 0 ); -} - -sub has_version { - my($base) = shift; - my $vglob = ${$base.'::'}{VERSION}; - return( ($vglob && *$vglob{SCALAR}) ? 1 : 0 ); -} - -sub has_attr { - my($proto) = shift; - my($class) = ref $proto || $proto; - return exists $Fattr->{$class}; -} - -sub get_attr { - $Fattr->{$_[0]} = [1] unless $Fattr->{$_[0]}; - return $Fattr->{$_[0]}; -} - -if ($] < 5.009) { - *get_fields = sub { - # Shut up a possible typo warning. - () = \%{$_[0].'::FIELDS'}; - my $f = \%{$_[0].'::FIELDS'}; - - # should be centralized in fields? perhaps - # fields::mk_FIELDS_be_OK. Peh. As long as %{ $package . '::FIELDS' } - # is used here anyway, it doesn't matter. - bless $f, 'pseudohash' if (ref($f) ne 'pseudohash'); - - return $f; - } -} -else { - *get_fields = sub { - # Shut up a possible typo warning. - () = \%{$_[0].'::FIELDS'}; - return \%{$_[0].'::FIELDS'}; - } -} - -sub import { - my $class = shift; - - return SUCCESS unless @_; - - # List of base classes from which we will inherit %FIELDS. - my $fields_base; - - my $inheritor = caller(0); - my @isa_classes; - - my @bases; - foreach my $base (@_) { - if ( $inheritor eq $base ) { - warn "Class '$inheritor' tried to inherit from itself\n"; - } - - next if grep $_->isa($base), ($inheritor, @bases); - - if (has_version($base)) { - ${$base.'::VERSION'} = '-1, set by base.pm' - unless defined ${$base.'::VERSION'}; - } - else { - my $sigdie; - { - local $SIG{__DIE__}; - eval "require $base"; - # Only ignore "Can't locate" errors from our eval require. - # Other fatal errors (syntax etc) must be reported. - die if $@ && $@ !~ /^Can't locate .*? at \(eval /; - unless (%{"$base\::"}) { - require Carp; - local $" = " "; - Carp::croak(<<ERROR); -Base class package "$base" is empty. - (Perhaps you need to 'use' the module which defines that package first, - or make that module available in \@INC (\@INC contains: @INC). -ERROR - } - $sigdie = $SIG{__DIE__} || undef; - } - # Make sure a global $SIG{__DIE__} makes it out of the localization. - $SIG{__DIE__} = $sigdie if defined $sigdie; - ${$base.'::VERSION'} = "-1, set by base.pm" - unless defined ${$base.'::VERSION'}; - } - push @bases, $base; - - if ( has_fields($base) || has_attr($base) ) { - # No multiple fields inheritance *suck* - if ($fields_base) { - require Carp; - Carp::croak("Can't multiply inherit fields"); - } else { - $fields_base = $base; - } - } - } - # Save this until the end so it's all or nothing if the above loop croaks. - push @{"$inheritor\::ISA"}, @isa_classes; - - push @{"$inheritor\::ISA"}, @bases; - - if( defined $fields_base ) { - inherit_fields($inheritor, $fields_base); - } -} - -sub inherit_fields { - my($derived, $base) = @_; - - return SUCCESS unless $base; - - my $battr = get_attr($base); - my $dattr = get_attr($derived); - my $dfields = get_fields($derived); - my $bfields = get_fields($base); - - $dattr->[0] = @$battr; - - if( keys %$dfields ) { - warn <<"END"; -$derived is inheriting from $base but already has its own fields! -This will cause problems. Be sure you use base BEFORE declaring fields. -END - - } - - # Iterate through the base's fields adding all the non-private - # ones to the derived class. Hang on to the original attribute - # (Public, Private, etc...) and add Inherited. - # This is all too complicated to do efficiently with add_fields(). - while (my($k,$v) = each %$bfields) { - my $fno; - if ($fno = $dfields->{$k} and $fno != $v) { - require Carp; - Carp::croak ("Inherited fields can't override existing fields"); - } - - if( $battr->[$v] & PRIVATE ) { - $dattr->[$v] = PRIVATE | INHERITED; - } - else { - $dattr->[$v] = INHERITED | $battr->[$v]; - $dfields->{$k} = $v; - } - } - - foreach my $idx (1..$#{$battr}) { - next if defined $dattr->[$idx]; - $dattr->[$idx] = $battr->[$idx] & INHERITED; - } -} - -1; - -__END__ - |
