X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Fnamespace%2Fclean.pm;h=d31d2a82ba6d8ef568e79d8df7f67f3ea5a2740b;hb=d6aecfbf3b72bb46d52032f696415e93a22dc5ab;hp=1f370fe68260a6a802ad23a19ddfd63fd8e154ae;hpb=61c4bce7e7b6585613a8b01119cfe88ede232bca;p=p5sagit%2Fnamespace-clean.git diff --git a/lib/namespace/clean.pm b/lib/namespace/clean.pm index 1f370fe..d31d2a8 100644 --- a/lib/namespace/clean.pm +++ b/lib/namespace/clean.pm @@ -10,16 +10,18 @@ use warnings; use strict; use vars qw( $VERSION $STORAGE_VAR $SCOPE_HOOK_KEY $SCOPE_EXPLICIT ); -use Symbol qw( qualify_to_ref ); use B::Hooks::EndOfScope; +use Stash::Manip; +use Sub::Identify qw(sub_fullname); +use Sub::Name qw(subname); =head1 VERSION -0.11 +0.13 =cut -$VERSION = '0.11'; +$VERSION = '0.14'; $STORAGE_VAR = '__NAMESPACE_CLEAN_STORAGE'; =head1 SYNOPSIS @@ -159,29 +161,31 @@ my $RemoveSubs = sub { my $cleanee = shift; my $store = shift; + my $cleanee_stash = Stash::Manip->new($cleanee); + my $deleted_stash = Stash::Manip->new("namespace::clean::deleted::$cleanee"); SYMBOL: for my $f (@_) { - + my $variable = "&$f"; # ignore already removed symbols next SYMBOL if $store->{exclude}{ $f }; - no strict 'refs'; - - local *__tmp; - # keep original value to restore non-code slots - { no warnings 'uninitialized'; # fix possible unimports - *__tmp = *{ ${ "${cleanee}::" }{ $f } }; - delete ${ "${cleanee}::" }{ $f }; + next SYMBOL unless $cleanee_stash->has_package_symbol($variable); + + if (ref(\$cleanee_stash->namespace->{$f}) eq 'GLOB') { + # convince the Perl debugger to work + # it assumes that sub_fullname($sub) can always be used to find the CV again + # since we are deleting the glob where the subroutine was originally + # defined, that assumption no longer holds, so we need to move it + # elsewhere and point the CV's name to the new glob. + my $sub = $cleanee_stash->get_package_symbol($variable); + if ( sub_fullname($sub) eq ($cleanee_stash->name . "::$f") ) { + my $new_fq = $deleted_stash->name . "::$f"; + subname($new_fq, $sub); + $deleted_stash->add_package_symbol($variable, $sub); + } } - SLOT: - # restore non-code slots to symbol. - # omit the FORMAT slot, since perl erroneously puts it into the - # SCALAR slot of the new glob. - for my $t (qw( SCALAR ARRAY HASH IO )) { - next SLOT unless defined *__tmp{ $t }; - *{ "${cleanee}::$f" } = *__tmp{ $t }; - } + $cleanee_stash->remove_package_symbol($variable); } }; @@ -227,6 +231,7 @@ sub import { # calling class, all current functions and our storage my $functions = $pragma->get_functions($cleanee); my $store = $pragma->get_class_store($cleanee); + my $stash = Stash::Manip->new($cleanee); # except parameter can be array ref or single value my %except = map {( $_ => 1 )} ( @@ -238,8 +243,7 @@ sub import { # register symbols for removal, if they have a CODE entry for my $f (keys %$functions) { next if $except{ $f }; - next unless $functions->{ $f } - and *{ $functions->{ $f } }{CODE}; + next unless $stash->has_package_symbol("&$f"); $store->{remove}{ $f } = 1; } @@ -292,8 +296,8 @@ information about function names included and excluded from removal. sub get_class_store { my ($pragma, $class) = @_; - no strict 'refs'; - return \%{ "${class}::${STORAGE_VAR}" }; + my $stash = Stash::Manip->new($class); + return $stash->get_package_symbol("%$STORAGE_VAR"); } =head2 get_functions @@ -307,12 +311,10 @@ reference to the symbol as value. sub get_functions { my ($pragma, $class) = @_; + my $stash = Stash::Manip->new($class); return { - map { @$_ } # key => value - grep { *{ $_->[1] }{CODE} } # only functions - map { [$_, qualify_to_ref( $_, $class )] } # get globref - grep { $_ !~ /::$/ } # no packages - do { no strict 'refs'; keys %{ "${class}::" } } # symbol entries + map { $_ => $stash->get_package_symbol("&$_") } + $stash->list_all_package_symbols('CODE') }; }