libjava/scripts/classes.pl

   1 # classes.pl - A perl program to generate most of the contents of
   2 # javaprims.h automatically.
   3
   4 # Copyright (C) 1998, 1999, 2000, 2002, 2005, 2006, 2007  Free Software
   5 # Foundation
   6 #
   7 # This file is part of libgcj.
   8 #
   9 # This software is copyrighted work licensed under the terms of the
  10 # Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
  11 # details.
  12
  13 # Usage: cd <srcdir>/classpath/lib ; perl ../../scripts/classes.pl.
  14
  15 use DirHandle;
  16
  17 if (-d 'java')
  18 {
  19     # Ok here.
  20 }
  21 elsif (-d '../java')
  22 {
  23     chdir ('..');
  24 }
  25 else
  26 {
  27     die "couldn't find java directory\n";
  28 }
  29
  30 &scan ('java', 2);
  31
  32 exit 0;
  33
  34 sub scan
  35 {
  36     local ($dir, $indent) = @_;
  37     local (@subdirs) = ();
  38     local (%classes) = ();
  39
  40     local ($d) = new DirHandle $dir;
  41     local (*JFILE);
  42     local ($name);
  43     if (defined $d)
  44     {
  45         while (defined ($name = $d->read))
  46         {
  47             next if $name eq 'CVS';
  48             next if $name eq '.svn';
  49             next if $name eq '.';
  50             next if $name eq '..';
  51             if ($dir eq 'java'
  52                 && $name ne 'lang'
  53                 && $name ne 'util'
  54                 && $name ne 'io')
  55             {
  56                 # We only generate decls for java.lang, java.io, and
  57                 # java.util.
  58                 next;
  59             }
  60             if (-d ($dir . '/' . $name))
  61             {
  62                 push (@subdirs, $name);
  63                 next;
  64             }
  65             next unless $name =~ s/\.class$//;
  66             $classes{$name} = 1;
  67         }
  68
  69         undef $d;
  70     }
  71
  72     local ($spaces) = ' ' x $indent;
  73     local ($classname);
  74     ($classname = $dir) =~ s/^.*\///;
  75     print $spaces, "namespace ", $classname, "\n";
  76     print $spaces, "{\n";
  77
  78     foreach (sort keys %classes)
  79     {
  80         print $spaces, "  class ", $_, ";\n";
  81     }
  82     print "\n" if scalar @classes > 0 && scalar @subdirs > 0;
  83
  84     local ($first) = 1;
  85     foreach (sort @subdirs)
  86     {
  87         print "\n" unless $first;
  88         $first = 0;
  89         &scan ("$dir/$_", $indent + 2);
  90     }
  91
  92     print $spaces, "}\n";
  93 }