release/src-rt-6.x.4708/toolchains/hndtools-arm-linux-2.6.36-uclibc-4.5.3/bin/ifnames

   1 #! /usr/bin/perl -w
   2 # -*- perl -*-
   3 # Generated from ifnames.in; do not edit by hand.
   4
   5 eval 'case $# in 0) exec /usr/bin/perl -S "$0";; *) exec /usr/bin/perl -S "$0" "$@";; esac'
   6     if 0;
   7
   8 # ifnames - print the identifiers used in C preprocessor conditionals
   9
  10 # Copyright (C) 1994, 1995, 1999, 2000, 2001, 2002, 2003, 2005, 2006,
  11 # 2007, 2008, 2009 Free Software Foundation, Inc.
  12
  13 # This program is free software: you can redistribute it and/or modify
  14 # it under the terms of the GNU General Public License as published by
  15 # the Free Software Foundation, either version 3 of the License, or
  16 # (at your option) any later version.
  17
  18 # This program is distributed in the hope that it will be useful,
  19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 # GNU General Public License for more details.
  22
  23 # You should have received a copy of the GNU General Public License
  24 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  25
  26 # Reads from stdin if no files are given.
  27 # Writes to stdout.
  28
  29 # Written by David MacKenzie <djm@gnu.ai.mit.edu>
  30 # and Paul Eggert <eggert@twinsun.com>.
  31
  32 BEGIN
  33 {
  34   my $pkgdatadir = $ENV{'autom4te_perllibdir'} || '/projects/hnd/tools/linux/hndtools-arm-linux-2.6.36-uclibc-4.5.3/share/autoconf';
  35   unshift @INC, $pkgdatadir;
  36
  37   # Override SHELL.  On DJGPP SHELL may not be set to a shell
  38   # that can handle redirection and quote arguments correctly,
  39   # e.g.: COMMAND.COM.  For DJGPP always use the shell that configure
  40   # has detected.
  41   $ENV{'SHELL'} = '/bin/sh' if ($^O eq 'dos');
  42 }
  43
  44 use Autom4te::General;
  45 use Autom4te::XFile;
  46 use Autom4te::FileUtils;
  47
  48 # $HELP
  49 # -----
  50 $help = "Usage: $0 [OPTION]... [FILE]...
  51
  52 Scan all of the C source FILES (or the standard input, if none are
  53 given) and write to the standard output a sorted list of all the
  54 identifiers that appear in those files in `#if', `#elif', `#ifdef', or
  55 `#ifndef' directives.  Print each identifier on a line, followed by a
  56 space-separated list of the files in which that identifier occurs.
  57
  58   -h, --help      print this help, then exit
  59   -V, --version   print version number, then exit
  60
  61 Report bugs to <bug-autoconf\@gnu.org>.
  62 GNU Autoconf home page: <http://www.gnu.org/software/autoconf/>.
  63 General help using GNU software: <http://www.gnu.org/gethelp/>.
  64 ";
  65
  66
  67 # $VERSION
  68 # --------
  69 $version = "ifnames (GNU Autoconf) 2.65
  70 Copyright (C) 2009 Free Software Foundation, Inc.
  71 License GPLv3+/Autoconf: GNU GPL version 3 or later
  72 <http://gnu.org/licenses/gpl.html>, <http://gnu.org/licenses/exceptions.html>
  73 This is free software: you are free to change and redistribute it.
  74 There is NO WARRANTY, to the extent permitted by law.
  75
  76 Written by David J. MacKenzie and Paul Eggert.
  77 ";
  78
  79
  80 # &parse_args ()
  81 # --------------
  82 # Process any command line arguments.
  83 sub parse_args ()
  84 {
  85   getopt ();
  86 }
  87
  88
  89 # %OCCURRENCE
  90 # -----------
  91 my %occurrence;
  92
  93
  94 # &scan_file ($FILE-NAME)
  95 # -----------------------
  96 sub scan_file ($)
  97 {
  98   my ($file_name) = @_;
  99   my $file = new Autom4te::XFile ("< " . open_quote ($file_name));
 100   while ($_ = $file->getline)
 101     {
 102       # Continuation lines.
 103       $_ .= $file->getline
 104         while (s/\\$//);
 105
 106       # Preprocessor directives.
 107       if (s/^\s*\#\s*(if|ifdef|ifndef|elif)\s+//)
 108         {
 109           # Remove comments.  Not perfect, but close enough.
 110           s(/\*.*?\*/)();
 111           s(/\*.*)();
 112           s(//.*)();
 113           foreach my $word (split (/\W+/))
 114             {
 115               next
 116                 if $word eq 'defined' || $word !~ /^[a-zA-Z_]/;
 117               $occurrence{$word}{$file_name} = 1;
 118             }
 119         }
 120     }
 121 }
 122
 123
 124 ## ------ ##
 125 ## Main.  ##
 126 ## ------ ##
 127
 128 parse_args();
 129 foreach (@ARGV)
 130   {
 131     scan_file ($_);
 132   }
 133 foreach (sort keys %occurrence)
 134   {
 135     print "$_ ", join (' ', sort keys %{$occurrence{$_}}), "\n";
 136   }
 137
 138 ### Setup "GNU" style for perl-mode and cperl-mode.
 139 ## Local Variables:
 140 ## perl-indent-level: 2
 141 ## perl-continued-statement-offset: 2
 142 ## perl-continued-brace-offset: 0
 143 ## perl-brace-offset: 0
 144 ## perl-brace-imaginary-offset: 0
 145 ## perl-label-offset: -2
 146 ## cperl-indent-level: 2
 147 ## cperl-brace-offset: 0
 148 ## cperl-continued-brace-offset: 0
 149 ## cperl-label-offset: -2
 150 ## cperl-extra-newline-before-brace: t
 151 ## cperl-merge-trailing-else: nil
 152 ## cperl-continued-statement-offset: 2
 153 ## End: