libiberty/maint-tool

   1 #!/usr/bin/perl
   2 # -*- perl -*-
   3
   4 #   Copyright (C) 2001
   5 #   Free Software Foundation
   6 #
   7 # This file is part of the libiberty library.
   8 # Libiberty is free software; you can redistribute it and/or
   9 # modify it under the terms of the GNU Library General Public
  10 # License as published by the Free Software Foundation; either
  11 # version 2 of the License, or (at your option) any later version.
  12 #
  13 # Libiberty is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 # Library General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU Library General Public
  19 # License along with libiberty; see the file COPYING.LIB.  If not,
  20 # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  21 # Boston, MA 02111-1307, USA.
  22 #
  23 # Originally written by DJ Delorie <dj@redhat.com>
  24
  25
  26 # This is a trivial script which checks the lists of C and O files in
  27 # the Makefile for consistency.
  28
  29 $mode = shift;
  30 $srcdir = ".";
  31
  32 if ($mode eq "-s") {
  33     $srcdir = shift;
  34     $mode = shift;
  35 }
  36
  37 &missing() if $mode eq "missing";
  38 &undoc() if $mode eq "undoc";
  39
  40 exit 0;
  41
  42 format STDOUT =
  43 ^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<~
  44 $out
  45         ^<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<~~
  46 $out
  47 .
  48
  49 ######################################################################
  50
  51 sub missing {
  52
  53     opendir(S, $srcdir);
  54     while ($f = readdir S) {
  55         $have{$f} = 1;
  56     }
  57     closedir(S);
  58     opendir(S, ".");
  59     while ($f = readdir S) {
  60         $have{$f} = 1;
  61     }
  62     closedir(S);
  63
  64     for $a (@ARGV) {
  65         $listed{$a} = 1;
  66         $have{$a} = 0;
  67     }
  68
  69     for $f (sort keys %have) {
  70         next unless $have{$f};
  71         if ($f =~ /\.c$/) {
  72             print "S $f\n";
  73         }
  74     }
  75     for $f (sort keys %listed) {
  76         if ($f =~ /(.*)\.c$/) {
  77             $base = $1;
  78             if (! $listed{"$base.o"}) {
  79                 print "O $f\n";
  80             }
  81         }
  82     }
  83 }
  84
  85 ######################################################################
  86
  87 sub undoc {
  88
  89     opendir(S, $srcdir);
  90     while ($file = readdir S) {
  91         if ($file =~ /\.texi$/) {
  92             open(T, "$srcdir/$file");
  93             while (<T>) {
  94                 if (/^\@deftype[^\(]* ([^\s\(]+) *\(/) {
  95                     $documented{$1} = 1;
  96                 }
  97             }
  98             close(T);
  99         }
 100         if ($file =~ /\.c$/) {
 101             open(C, "$srcdir/$file");
 102             while (<C>) {
 103                 if (/\@undocumented (\S+)/) {
 104                     $documented{$1} = 1;
 105                 }
 106                 if (/^static /) {
 107                     if (! /[\(;]/) {
 108                         s/[\r\n]+$/ /;
 109                         $_ .= <C>;
 110                     }
 111                     while ($_ =~ /\([^\)]*$/) {
 112                         s/[\r\n]+$/ /;
 113                         $_ .= <C>;
 114                     }
 115                 }
 116                 s/ VPARAMS([ \(])/$1/;
 117                 s/PREFIX\(([^\)]*)\)/byte_$1/;
 118                 if (/^static [^\(]* ([^\s\(]+) *\(.*\)$/) {
 119                     $documented{$1} = 1;
 120                 }
 121             }
 122         }
 123     }
 124     closedir(D);
 125
 126     # $out = join(' ', sort keys %documented);
 127     # write;
 128     # print "\n";
 129
 130     system "etags $srcdir/*.c $srcdir/../include/*.h";
 131     open(TAGS, "TAGS");
 132     while (<TAGS>) {
 133         s/[\r\n]+$//;
 134         if (/^\014$/) {
 135             $filename = <TAGS>;
 136             $filename =~ s/[\r\n]+$//;
 137             $filename =~ s/,\d+$//;
 138             $filename =~ s@.*[/\\]@@;
 139             next;
 140         }
 141         if ($filename =~ /\.c$/ ) {
 142             next unless /^[_a-zA-Z]/;
 143         } else {
 144             next unless /^\# *define/;
 145             s/\# *define *//;
 146         }
 147         next if $filename =~ /mpw\.c/;
 148
 149         s/ VPARAMS//;
 150         s/ *\177.*//;
 151         s/,$//;
 152         s/DEFUN\(//;
 153         s/\(//;
 154
 155         next if /^static /;
 156         next if /\s/;
 157         next if /^_/;
 158         next if $documented{$_};
 159         next if /_H_?$/;
 160
 161         if ($seen_in{$_} ne $filename) {
 162             $saw{$_} ++;
 163         }
 164         $seen_in{$_} = $filename;
 165     }
 166
 167     for $k (keys %saw) {
 168         delete $saw{$k} if $saw{$k} > 1;
 169     }
 170
 171     for $k (sort keys %saw) {
 172         $fromfile{$seen_in{$k}} .= " " if $fromfile{$seen_in{$k}};
 173         $fromfile{$seen_in{$k}} .= $k;
 174     }
 175
 176     for $f (sort keys %fromfile) {
 177         $out = "$f: $fromfile{$f}";
 178         write;
 179     }
 180 }