package AutoLoader;
-use 5.005_64;
-our(@EXPORT, @EXPORT_OK, $VERSION);
+use strict;
+use 5.006_001;
+
+our($VERSION, $AUTOLOAD);
my $is_dosish;
my $is_epoc;
my $is_vms;
+my $is_macos;
BEGIN {
- require Exporter;
- @EXPORT = @EXPORT = ();
- @EXPORT_OK = @EXPORT_OK = qw(AUTOLOAD);
- $is_dosish = $^O eq 'dos' || $^O eq 'os2' || $^O eq 'MSWin32';
+ $is_dosish = $^O eq 'dos' || $^O eq 'os2' || $^O eq 'MSWin32' || $^O eq 'NetWare';
$is_epoc = $^O eq 'epoc';
$is_vms = $^O eq 'VMS';
- $VERSION = '5.57';
+ $is_macos = $^O eq 'MacOS';
+ $VERSION = '5.63';
}
AUTOLOAD {
my $sub = $AUTOLOAD;
+ my $filename = AutoLoader::find_filename( $sub );
+
+ my $save = $@;
+ local $!; # Do not munge the value.
+ eval { local $SIG{__DIE__}; require $filename };
+ if ($@) {
+ if (substr($sub,-9) eq '::DESTROY') {
+ no strict 'refs';
+ *$sub = sub {};
+ $@ = undef;
+ } elsif ($@ =~ /^Can't locate/) {
+ # The load might just have failed because the filename was too
+ # long for some old SVR3 systems which treat long names as errors.
+ # If we can successfully truncate a long name then it's worth a go.
+ # There is a slight risk that we could pick up the wrong file here
+ # but autosplit should have warned about that when splitting.
+ if ($filename =~ s/(\w{12,})\.al$/substr($1,0,11).".al"/e){
+ eval { local $SIG{__DIE__}; require $filename };
+ }
+ }
+ if ($@){
+ $@ =~ s/ at .*\n//;
+ my $error = $@;
+ require Carp;
+ Carp::croak($error);
+ }
+ }
+ $@ = $save;
+ goto &$sub;
+}
+
+sub can {
+ my ($self, $method) = @_;
+
+ my $parent = $self->SUPER::can( $method );
+ return $parent if $parent;
+
+ my $package = ref( $self ) || $self;
+ my $filename = AutoLoader::find_filename( $package . '::' . $method );
+ local $@;
+ return unless eval { require $filename };
+
+ no strict 'refs';
+ return \&{ $package . '::' . $method };
+}
+
+sub find_filename {
+ my $sub = shift;
my $filename;
# Braces used to preserve $1 et al.
{
my ($pkg,$func) = ($sub =~ /(.*)::([^:]+)$/);
$pkg =~ s#::#/#g;
if (defined($filename = $INC{"$pkg.pm"})) {
- $filename =~ s#^(.*)$pkg\.pm\z#$1auto/$pkg/$func.al#s;
+ if ($is_macos) {
+ $pkg =~ tr#/#:#;
+ $filename = undef
+ unless $filename =~ s#^(.*)$pkg\.pm\z#$1auto:$pkg:$func.al#s;
+ } else {
+ $filename = undef
+ unless $filename =~ s#^(.*)$pkg\.pm\z#$1auto/$pkg/$func.al#s;
+ }
# if the file exists, then make sure that it is a
# a fully anchored path (i.e either '/usr/lib/auto/foo/bar.al',
# (and failing) to find the 'lib/auto/foo/bar.al' because it
# looked for 'lib/lib/auto/foo/bar.al', given @INC = ('lib').
- if (-r $filename) {
+ if (defined $filename and -r $filename) {
unless ($filename =~ m|^/|s) {
if ($is_dosish) {
unless ($filename =~ m{^([a-z]:)?[\\/]}is) {
- $filename = "./$filename";
+ if ($^O ne 'NetWare') {
+ $filename = "./$filename";
+ } else {
+ $filename = "$filename";
+ }
}
}
elsif ($is_epoc) {
unless ($filename =~ m{^([a-z?]:)?[\\/]}is) {
$filename = "./$filename";
}
- }elsif ($is_vms) {
+ }
+ elsif ($is_vms) {
# XXX todo by VMSmiths
$filename = "./$filename";
}
- else {
+ elsif (!$is_macos) {
$filename = "./$filename";
}
}
$filename =~ s#::#/#g;
}
}
- my $save = $@;
- eval { local $SIG{__DIE__}; require $filename };
- if ($@) {
- if (substr($sub,-9) eq '::DESTROY') {
- *$sub = sub {};
- } else {
- # The load might just have failed because the filename was too
- # long for some old SVR3 systems which treat long names as errors.
- # If we can succesfully truncate a long name then it's worth a go.
- # There is a slight risk that we could pick up the wrong file here
- # but autosplit should have warned about that when splitting.
- if ($filename =~ s/(\w{12,})\.al$/substr($1,0,11).".al"/e){
- eval { local $SIG{__DIE__}; require $filename };
- }
- if ($@){
- $@ =~ s/ at .*\n//;
- my $error = $@;
- require Carp;
- Carp::croak($error);
- }
- }
- }
- $@ = $save;
- goto &$sub;
+ return $filename;
}
sub import {
#
if ($pkg eq 'AutoLoader') {
- local $Exporter::ExportLevel = 1;
- Exporter::import $pkg, @_;
+ if ( @_ and $_[0] =~ /^&?AUTOLOAD$/ ) {
+ no strict 'refs';
+ *{ $callpkg . '::AUTOLOAD' } = \&AUTOLOAD;
+ *{ $callpkg . '::can' } = \&can;
+ }
}
#
my $path = $INC{$calldir . '.pm'};
if (defined($path)) {
# Try absolute path name.
- $path =~ s#^(.*)$calldir\.pm$#$1auto/$calldir/autosplit.ix#;
+ if ($is_macos) {
+ (my $malldir = $calldir) =~ tr#/#:#;
+ $path =~ s#^(.*)$malldir\.pm\z#$1auto:$malldir:autosplit.ix#s;
+ } else {
+ $path =~ s#^(.*)$calldir\.pm\z#$1auto/$calldir/autosplit.ix#;
+ }
+
eval { require $path; };
# If that failed, try relative path with normal @INC searching.
if ($@) {
}
sub unimport {
- my $callpkg = caller;
- eval "package $callpkg; sub AUTOLOAD;";
+ my $callpkg = caller;
+
+ no strict 'refs';
+
+ for my $exported (qw( AUTOLOAD can )) {
+ my $symname = $callpkg . '::' . $exported;
+ undef *{ $symname } if \&{ $symname } == \&{ $exported };
+ *{ $symname } = \&{ $symname };
+ }
}
1;