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Diffstat (limited to 'scripts/checkincludes.pl')
-rwxr-xr-x | scripts/checkincludes.pl | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/scripts/checkincludes.pl b/scripts/checkincludes.pl new file mode 100755 index 00000000..97b2c614 --- /dev/null +++ b/scripts/checkincludes.pl @@ -0,0 +1,89 @@ +#!/usr/bin/perl +# +# checkincludes: find/remove files included more than once +# +# Copyright abandoned, 2000, Niels Kristian Bech Jensen <nkbj@image.dk>. +# Copyright 2009 Luis R. Rodriguez <mcgrof@gmail.com> +# +# 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. + +use strict; + +sub usage { + 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; +} + +my $remove = 0; + +if ($#ARGV < 0) { + usage(); +} + +if ($#ARGV >= 1) { + if ($ARGV[0] =~ /^-/) { + if ($ARGV[0] eq "-r") { + $remove = 1; + shift; + } else { + usage(); + } + } +} + +foreach my $file (@ARGV) { + open(my $f, '<', $file) + or die "Cannot open $file: $!.\n"; + + my %includedfiles = (); + my @file_lines = (); + + while (<$f>) { + if (m/^\s*#\s*include\s*[<"](\S*)[>"]/o) { + ++$includedfiles{$1}; + } + push(@file_lines, $_); + } + + close($f); + + if (!$remove) { + foreach my $filename (keys %includedfiles) { + if ($includedfiles{$filename} > 1) { + print "$file: $filename is included more than once.\n"; + } + } + next; + } + + open($f, '>', $file) + or die("Cannot write to $file: $!"); + + my $dups = 0; + foreach (@file_lines) { + if (m/^\s*#\s*include\s*[<"](\S*)[>"]/o) { + foreach my $filename (keys %includedfiles) { + if ($1 eq $filename) { + if ($includedfiles{$filename} > 1) { + $includedfiles{$filename}--; + $dups++; + } else { + print {$f} $_; + } + } + } + } else { + print {$f} $_; + } + } + if ($dups > 0) { + print "$file: removed $dups duplicate includes\n"; + } + close($f); +} |