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#!/usr/bin/env perl
# Copyright (C) 2012-2020 Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see
# <http://www.gnu.org/licenses/>.
use strict;
use warnings;
die "syntax: $0 SRCDIR SYMFILE..." unless int(@ARGV) >= 2;
my $ret = 0;
my $srcdir = shift;
my $incomment = 0;
my $name;
foreach my $symfile (@ARGV) {
open SYMFILE, $symfile or die "cannot read $symfile: $!";
my $line = 0;
my @group;
while (<SYMFILE>) {
chomp;
if ($incomment) {
if (m,\*/,) {
$incomment = 0;
} else {
# skip
}
} else {
if (m,/\*,) {
$incomment = 1;
} elsif (/^(.*)\s*{\s*$/) {
@group = ();
$line = $.;
$name = $1;
} elsif (/^\s*}(.*);$/) {
&check_sorting(\@group, $symfile, $line, $name);
} elsif (/^\s*(global|local):/) {
# skip
} elsif (/^\s*\*;\s*$/) {
# skip
} elsif (/^\s*$/) {
# skip
} else {
$_ =~ s/;//;
push @group, $_;
}
}
}
close SYMFILE;
}
sub check_sorting {
my $group = shift;
my $symfile = shift;
my $line = shift;
my $name = shift;
my @group = @{$group};
my @sorted = sort { lc $a cmp lc $b } @group;
my $sorted = 1;
my $first;
my $last;
# Check that symbols within a group are in order
for (my $i = 0 ; $i <= $#sorted ; $i++) {
if ($sorted[$i] ne $group[$i]) {
$first = $i unless defined $first;
$last = $i;
$sorted = 0;
}
}
if (!$sorted) {
@group = splice @group, $first, ($last-$first+1);
@sorted = splice @sorted, $first, ($last-$first+1);
print "Symbol block $name at $symfile:$line: symbols not sorted\n";
print map { " " . $_ . "\n" } @group;
print "Correct ordering\n";
print map { " " . $_ . "\n" } @sorted;
print "\n";
$ret = 1;
}
}
exit $ret;
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