/usr/share/perl5/ExtUtils/XSBuilder/CallbackMap.pm is in libextutils-xsbuilder-perl 0.28-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | package ExtUtils::XSBuilder::CallbackMap;
use strict;
use warnings FATAL => 'all';
use ExtUtils::XSBuilder::MapUtil qw(callback_table);
our @ISA = qw(ExtUtils::XSBuilder::FunctionMap);
# ============================================================================
#look for callbacks that do not exist in *.map
sub check {
my $self = shift;
my $map = $self->get;
my @missing;
my $parsesource = $self -> {wrapxs} -> parsesource_objects ;
loop:
for my $name (map $_->{name}, @{ callback_table($self -> {wrapxs}) }) {
next if exists $map->{$name};
push @missing, $name ;
}
return @missing ? \@missing : undef;
}
# ============================================================================
#look for callbacks in *.map that do not exist
sub check_exists {
my $self = shift;
my %callbacks = map { $_->{name}, 1 } @{ callback_table($self -> {wrapxs}) };
my @missing = ();
#print Data::Dumper -> Dump ([\%callbacks, $self->{map}]) ;
for my $name (keys %{ $self->{map} }) {
next if $callbacks{$name};
push @missing, $name ;
}
return @missing ? \@missing : undef;
}
# ============================================================================
sub parse {
my($self, $fh, $map) = @_;
my %cur;
my $disabled = 0;
while ($fh->readline) {
my($type, $argspec) = split /\s*\|\s*/;
my $entry = $map->{$type} = {
name => $type,
argspec => $argspec ? [split /\s*,\s*/, $argspec] : "",
};
#avoid 'use of uninitialized value' warnings
$entry->{$_} ||= "" for keys %{ $entry };
}
}
sub write {
my ($self, $fh, $newentries, $prefix) = @_ ;
foreach (@$newentries)
{
my $line = $self -> {wrapxs} -> mapline_func ($_) ;
if ($line =~ /\)\((.*?)\)/)
{
my @args = split (/,/, $1) ;
$line .= ' | ' if (@args) ;
my $i = 0 ;
foreach (@args)
{
$line .= ',' if ($i++ > 0) ;
/([^ ]+)$/ ;
my $arg = $1 ;
$line .= '<' if (/\* \*/) ;
$line .= $arg ;
}
}
$fh -> print ($prefix, $line, "\n") ;
}
}
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