112 lines
2.6 KiB
Perl
112 lines
2.6 KiB
Perl
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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# This Source Code Form is "Incompatible With Secondary Licenses", as
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# defined by the Mozilla Public License, v. 2.0.
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##################
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#Bugzilla Test 10#
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## dependencies ##
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use 5.10.1;
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use strict;
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use warnings;
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use lib qw(. lib t);
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use Support::Files;
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use Test::More qw(no_plan);
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my %mods;
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my %deps;
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use constant MODULE_REGEX => qr/
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(?:(?:^\s*use)
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(?:^require)
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)\s+
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['"]?
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([\w:\.\\]+)
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/x;
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use constant BASE_REGEX => qr/^use (?:base|parent) (?:-norequire, )?qw\(([^\)]+)/;
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# Extract all Perl modules.
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foreach my $file (@Support::Files::testitems) {
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if ($file =~ /^(.*)\.pm$/) {
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my $module = $1;
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$module =~ s#/#::#g;
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$mods{$module} = $file;
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}
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}
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foreach my $module (keys %mods) {
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my $reading = 1;
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my @use;
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open(SOURCE, $mods{$module});
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while (my $line = <SOURCE>) {
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last if ($line =~ /^__END__/);
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if ($line =~ /^=cut/) {
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$reading = 1;
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next;
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}
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next unless $reading;
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if ($line =~ /^=(head|over|item|back|pod|begin|end|for)/) {
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$reading = 0;
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next;
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}
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if ($line =~ /^package\s+([^;]);/) {
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$module = $1;
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}
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elsif ($line =~ BASE_REGEX or $line =~ MODULE_REGEX) {
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my $used_string = $1;
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# "use base"/"use parent" can have multiple modules
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my @used_array = split(/\s+/, $used_string);
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foreach my $used (@used_array) {
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next if $used !~ /^Bugzilla/;
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$used =~ s#/#::#g;
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$used =~ s#\.pm$##;
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$used =~ s#\$module#[^:]+#;
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$used =~ s#\${[^}]+}#[^:]+#;
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$used =~ s#[" ]##g;
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push(@use, grep(/^\Q$used\E$/, keys %mods));
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}
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}
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}
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close (SOURCE);
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foreach my $u (@use) {
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if (!grep {$_ eq $u} @{$deps{$module}}) {
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push(@{$deps{$module}}, $u);
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}
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}
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}
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sub creates_loop {
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my ($module, $used_module) = @_;
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my @list = ($used_module);
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my %seen;
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while (my $next = shift @list) {
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if ($module eq $next) {
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ok(0, "Dependency on $used_module from $module causes loop. --ERROR");
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return;
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}
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if (!$seen{$next}) {
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push(@list, @{$deps{$next}}) if defined $deps{$next};
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}
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$seen{$next} = 1;
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}
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ok(1, "No dependency loop between $module and $used_module");
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}
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foreach my $module (keys %deps) {
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foreach my $used_module (@{$deps{$module}}) {
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creates_loop($module, $used_module);
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}
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}
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exit 0;
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