# ... these functions have to touch the symbol table itself,.. yuk
-
-
-sub add_package_symbol {
- my ($self, $variable, $initial_value) = @_;
-
- my ($name, $sigil, $type) = ref $variable eq 'HASH'
- ? @{$variable}{qw[name sigil type]}
- : $self->_deconstruct_variable_name($variable);
-
- my $pkg = $self->{'package'};
-
- no strict 'refs';
- no warnings 'redefine', 'misc', 'prototype';
- *{$pkg . '::' . $name} = ref $initial_value ? $initial_value : \$initial_value;
-}
-
sub remove_package_glob {
my ($self, $name) = @_;
no strict 'refs';
delete ${$self->name . '::'}{$name};
}
-# ... these functions deal with stuff on the namespace level
-
-sub has_package_symbol {
- my ( $self, $variable ) = @_;
-
- my ( $name, $sigil, $type )
- = ref $variable eq 'HASH'
- ? @{$variable}{qw[name sigil type]}
- : $self->_deconstruct_variable_name($variable);
-
- my $namespace = $self->namespace;
-
- return 0 unless exists $namespace->{$name};
-
- my $entry_ref = \$namespace->{$name};
- if ( reftype($entry_ref) eq 'GLOB' ) {
- if ( $type eq 'SCALAR' ) {
- return defined( ${ *{$entry_ref}{SCALAR} } );
- }
- else {
- return defined( *{$entry_ref}{$type} );
- }
- }
- else {
-
- # a symbol table entry can be -1 (stub), string (stub with prototype),
- # or reference (constant)
- return $type eq 'CODE';
- }
-}
-
-sub get_package_symbol {
- my ($self, $variable) = @_;
-
- my ($name, $sigil, $type) = ref $variable eq 'HASH'
- ? @{$variable}{qw[name sigil type]}
- : $self->_deconstruct_variable_name($variable);
-
- my $namespace = $self->namespace;
-
- # FIXME
- $self->add_package_symbol($variable)
- unless exists $namespace->{$name};
-
- my $entry_ref = \$namespace->{$name};
-
- if ( ref($entry_ref) eq 'GLOB' ) {
- return *{$entry_ref}{$type};
- }
- else {
- if ( $type eq 'CODE' ) {
- no strict 'refs';
- return \&{ $self->name . '::' . $name };
- }
- else {
- return undef;
- }
- }
-}
-
sub remove_package_symbol {
my ($self, $variable) = @_;