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#!/usr/bin/env perl
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# Copyright (C) 2012-2013 Red Hat, Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library. If not, see
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# <http://www.gnu.org/licenses/>.
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use strict;
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use warnings;
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die "syntax: $0 SYMFILE..." unless int(@ARGV) >= 1;
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my $ret = 0;
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my $incomment = 0;
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my $name;
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foreach my $symfile (@ARGV) {
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open SYMFILE, $symfile or die "cannot read $symfile: $!";
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my $line = 0;
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my @group;
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while (<SYMFILE>) {
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chomp;
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if ($incomment) {
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if (m,\*/,) {
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$incomment = 0;
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} else {
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# skip
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}
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} else {
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if (m,/\*,) {
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$incomment = 1;
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} elsif (/^(.*)\s*{\s*$/) {
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@group = ();
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$line = $.;
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$name = $1;
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} elsif (/^\s*}(.*);$/) {
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&check_sorting(\@group, $symfile, $line, $name);
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} elsif (/^\s*(global|local):/) {
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# skip
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} elsif (/^\s*\*;\s*$/) {
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# skip
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} elsif (/^\s*$/) {
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# skip
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} else {
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$_ =~ s/;//;
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push @group, $_;
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}
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}
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}
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close SYMFILE;
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}
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sub check_sorting {
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my $group = shift;
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my $symfile = shift;
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my $line = shift;
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my $name = shift;
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my @group = @{$group};
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my @sorted = sort { lc $a cmp lc $b } @group;
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my $sorted = 1;
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my $first;
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my $last;
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# Check that symbols within a group are in order
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for (my $i = 0 ; $i <= $#sorted ; $i++) {
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if ($sorted[$i] ne $group[$i]) {
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$first = $i unless defined $first;
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$last = $i;
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$sorted = 0;
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}
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}
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if (!$sorted) {
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@group = splice @group, $first, ($last-$first+1);
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@sorted = splice @sorted, $first, ($last-$first+1);
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print "Symbol block $name at $symfile:$line: symbols not sorted\n";
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print map { " " . $_ . "\n" } @group;
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print "Correct ordering\n";
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print map { " " . $_ . "\n" } @sorted;
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print "\n";
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$ret = 1;
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}
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}
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exit $ret;
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