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checkincludes.pl: add option to remove duplicates in place
checkincludes.pl is more useful if it actually removed the lines. This adds support for that with -r. [[email protected]: improve usage message] Signed-off-by: Luis R. Rodriguez <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Sam Ravnborg <[email protected]>
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Original file line number | Diff line number | Diff line change |
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@@ -1,33 +1,85 @@ | ||
#!/usr/bin/perl | ||
# | ||
# checkincludes: Find files included more than once in (other) files. | ||
# checkincludes: find/remove files included more than once | ||
# | ||
# Copyright abandoned, 2000, Niels Kristian Bech Jensen <[email protected]>. | ||
# Copyright 2009 Luis R. Rodriguez <[email protected]> | ||
# | ||
# This script checks for duplicate includes. It also has support | ||
# to remove them in place. Note that this will not take into | ||
# consideration macros so you should run this only if you know | ||
# you do have real dups and do not have them under #ifdef's. You | ||
# could also just review the results. | ||
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sub usage { | ||
print "Usage: checkincludes.pl <file list>\n"; | ||
print "Usage: checkincludes.pl [-r]\n"; | ||
print "By default we just warn of duplicates\n"; | ||
print "To remove duplicated includes in place use -r\n"; | ||
exit 1; | ||
} | ||
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my $remove = 0; | ||
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if ($#ARGV < 0) { | ||
usage(); | ||
usage(); | ||
} | ||
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if ($#ARGV >= 1) { | ||
if ($ARGV[0] =~ /^-/) { | ||
if ($ARGV[0] eq "-r") { | ||
$remove = 1; | ||
shift; | ||
} else { | ||
usage(); | ||
} | ||
} | ||
} | ||
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foreach $file (@ARGV) { | ||
open(FILE, $file) or die "Cannot open $file: $!.\n"; | ||
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my %includedfiles = (); | ||
my @file_lines = (); | ||
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while (<FILE>) { | ||
if (m/^\s*#\s*include\s*[<"](\S*)[>"]/o) { | ||
++$includedfiles{$1}; | ||
} | ||
push(@file_lines, $_); | ||
} | ||
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close(FILE); | ||
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foreach $filename (keys %includedfiles) { | ||
if ($includedfiles{$filename} > 1) { | ||
print "$file: $filename is included more than once.\n"; | ||
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if (!$remove) { | ||
foreach $filename (keys %includedfiles) { | ||
if ($includedfiles{$filename} > 1) { | ||
print "$file: $filename is included more than once.\n"; | ||
} | ||
} | ||
next; | ||
} | ||
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open(FILE,">$file") || die("Cannot write to $file: $!"); | ||
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my $dups = 0; | ||
foreach (@file_lines) { | ||
if (m/^\s*#\s*include\s*[<"](\S*)[>"]/o) { | ||
foreach $filename (keys %includedfiles) { | ||
if ($1 eq $filename) { | ||
if ($includedfiles{$filename} > 1) { | ||
$includedfiles{$filename}--; | ||
$dups++; | ||
} else { | ||
print FILE $_; | ||
} | ||
} | ||
} | ||
} else { | ||
print FILE $_; | ||
} | ||
} | ||
if ($dups > 0) { | ||
print "$file: removed $dups duplicate includes\n"; | ||
} | ||
close(FILE); | ||
} |