1 files changed, 104 insertions, 0 deletions
diff --git a/libjava/classes.pl b/libjava/classes.pl
new file mode 100644
index 00000000000..4db80a08c2e
--- /dev/null
+++ b/libjava/classes.pl
@@ -0,0 +1,104 @@
+# classes.pl - A perl program to generate most of the contents of
+# javaprims.h automatically.
+
+# Copyright (C) 1998, 1999  Cygnus Solutions
+#
+# This file is part of libjava.
+#
+# This software is copyrighted work licensed under the terms of the
+# Libjava License.  Please consult the file "LIBJAVA_LICENSE" for
+# details.
+
+# Usage: cd <top-srcdir> ; perl classes.pl.
+# Can also be run from the `include' directory; this lets us
+# more easily insert the output into javaprims.h (which is where it goes).
+
+use DirHandle;
+
+if (-d 'java')
+{
+    # Ok here.
+}
+elsif (-d '../java')
+{
+    chdir ('..');
+}
+else
+{
+    die "couldn't find java directory\n";
+}
+
+&scan ('java', 2);
+
+exit 0;
+
+sub scan
+{
+    local ($dir, $indent) = @_;
+    local (@subdirs) = ();
+    local (@classes) = ();
+
+    local ($d) = new DirHandle $dir;
+    local (*JFILE);
+    local ($name);
+    if (defined $d)
+    {
+	while (defined ($name = $d->read))
+	{
+	    next if $name eq 'CVS';
+	    next if $name eq '.';
+	    next if $name eq '..';
+	    if ($dir eq 'java'
+		&& $name ne 'lang'
+		&& $name ne 'util'
+		&& $name ne 'io')
+	    {
+		# We only generate decls for java.lang, java.io, and
+		# java.util.
+		next;
+	    }
+	    if (-d ($dir . '/' . $name))
+	    {
+		push (@subdirs, $name);
+		next;
+	    }
+	    next unless $name =~ /\.java$/;
+
+	    open (FILE, "< $dir/$name");
+	    while (<FILE>)
+	    {
+		# NOTE: we don't skip `/*' comments.
+		s,//.*$,,;
+		# For now assume that class names start with upper
+		# case letter.
+		next unless /(class|interface) ([A-Z][A-Za-z0-9]+)/;
+		push (@classes, $2);
+	    }
+	    close (FILE);
+	}
+
+	undef $d;
+    }
+
+    local ($spaces) = ' ' x $indent;
+    local ($classname);
+    ($classname = $dir) =~ s/^.*\///;
+    print $spaces, "namespace ", $classname, "\n";
+    print $spaces, "{\n";
+
+    foreach (sort @classes)
+    {
+	print $spaces, "  class ", $_, ";\n";
+    }
+    print "\n" if scalar @classes > 0 && scalar @subdirs > 0;
+
+    local ($first) = 1;
+    foreach (sort @subdirs)
+    {
+	print "\n" unless $first;
+	$first = 0;
+	&scan ("$dir/$_", $indent + 2);
+    }
+
+    print $spaces, "};\n";
+}