92 lines
3.3 KiB
Text
92 lines
3.3 KiB
Text
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#! /usr/bin/env perl
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# Copyright (c) 2003 The Regents of The University of Michigan
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Steve Reinhardt
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open (FOO, "<$ARGV[0]") or die;
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# Suck in everything before the first include
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# (line-by-line into @before list).
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while (($_ = <FOO>) && !/^#include/) {
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push @before, $_;
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}
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#print join("", @before);
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#print "##########################\n";
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# Suck in include lines into @includes list.
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# Skip blank lines (keep processing, but don't put in @includes).
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# End on first non-blank, non-include line.
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# Note that this means that files with comments or #ifdefs
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# interspersed among their #includes will only get the initial
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# set of #includes sorted.
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do {
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push @includes, $_ unless /^\s*$/;
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} while (($_ = <FOO>) && /^#include|^\s*$/);
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# Now sort the includes. This simple ordering function
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# puts system includes first, followed by non-system includes.
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# Within each group the sort is alphabetical.
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# We may want something a little more sophisticated.
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# Personally, I'd like to see something like:
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# <sys/*.h> - header files from sys subdir
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# <*.h> - other system headers
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# <*> - STL headers
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# "base/*" - M5 base headers
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# "sim/*" - M5 sim headers
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# "*" - other M5 headers
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# ...but I didn't have the energy to code that up.
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sub sortorder {
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my $sysa = ($a =~ /<.*>/);
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my $sysb = ($b =~ /<.*>/);
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return -1 if ($sysa && !$sysb);
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return 1 if ($sysb && !$sysa);
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return $a cmp $b;
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}
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@includes = sort sortorder @includes;
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#print join("", @includes);
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#print "##########################\n";
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# Put everything after the includes in the @after list.
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do {
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push @after, $_;
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if (/^#include/) {
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print "$ARGV[0]: ";
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print $after[0];
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exit 0;
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}
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} while ($_ = <FOO>);
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#print join("", @after);
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#print "##########################\n";
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# Print out the file with sorted includes.
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print join("", @before, @includes, @after);
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