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Check in a first stab at a script to sort the #include lines in a source file.

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Nate thought this would be cool, and I started on it, but lost interest.
I'm mostly committing this so bk stops bugging me about it.  Nate, don't start
hacking on this until after the ISCA deadline!

--HG--
extra : convert_revision : e0ecc54b118ee99d254e9707b1bba11d4078d7e0
This commit is contained in:
Steve Reinhardt 2003-10-19 17:42:51 -07:00
parent f951b00d89
commit 789a2de6f8
1 changed files with 91 additions and 0 deletions
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util/sort-includes Executable file
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#! /usr/bin/env perl
# Copyright (c) 2003 The Regents of The University of Michigan
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Steve Reinhardt
open (FOO, "<$ARGV[0]") or die;
# Suck in everything before the first include
# (line-by-line into @before list).
while (($_ = <FOO>) && !/^#include/) {
push @before, $_;
}
#print join("", @before);
#print "##########################\n";
# Suck in include lines into @includes list.
# Skip blank lines (keep processing, but don't put in @includes).
# End on first non-blank, non-include line.
# Note that this means that files with comments or #ifdefs
# interspersed among their #includes will only get the initial
# set of #includes sorted.
do {
push @includes, $_ unless /^\s*$/;
} while (($_ = <FOO>) && /^#include|^\s*$/);
# Now sort the includes. This simple ordering function
# puts system includes first, followed by non-system includes.
# Within each group the sort is alphabetical.
# We may want something a little more sophisticated.
# Personally, I'd like to see something like:
# <sys/*.h> - header files from sys subdir
# <*.h> - other system headers
# <*> - STL headers
# "base/*" - M5 base headers
# "sim/*" - M5 sim headers
# "*" - other M5 headers
# ...but I didn't have the energy to code that up.
sub sortorder {
my $sysa = ($a =~ /<.*>/);
my $sysb = ($b =~ /<.*>/);
return -1 if ($sysa && !$sysb);
return 1 if ($sysb && !$sysa);
return $a cmp $b;
}
@includes = sort sortorder @includes;
#print join("", @includes);
#print "##########################\n";
# Put everything after the includes in the @after list.
do {
push @after, $_;
if (/^#include/) {
print "$ARGV[0]: ";
print $after[0];
exit 0;
}
} while ($_ = <FOO>);
#print join("", @after);
#print "##########################\n";
# Print out the file with sorted includes.
print join("", @before, @includes, @after);