michael@0: #!/usr/local/bin/perl
michael@0: #
michael@0: # This Source Code Form is subject to the terms of the Mozilla Public
michael@0: # License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0: # file, You can obtain one at http://mozilla.org/MPL/2.0/.
michael@0: 
michael@0: # Input: -d dir -j javahcmd foo1 foo2 . . .
michael@0: #        Compares generated "_jni/foo1.h" file with "foo1.class", and
michael@0: #        generated "_jni/foo2.h" file with "foo2.class", etc.
michael@0: #        (NOTE:  unlike its closely related cousin, outofdate.pl,
michael@0: #                the "-d dir" must always be specified)
michael@0: #        Runs the javahcmd on all files that are different.
michael@0: #
michael@0: # Returns: list of headers which are OLDER than corresponding class
michael@0: #          files (non-existent class files are considered to be real old :-)
michael@0: 
michael@0: my $javah = "";
michael@0: my $classdir = "";
michael@0: 
michael@0: while(1) {
michael@0:     if ($ARGV[0] eq '-d') {
michael@0:         $classdir = $ARGV[1];
michael@0:         $classdir .= "/";
michael@0:         shift;
michael@0:         shift;
michael@0:     } elsif($ARGV[0] eq '-j') {
michael@0:         $javah = $ARGV[1];
michael@0:         shift;
michael@0:         shift;
michael@0:     } else {
michael@0:         last;
michael@0:     }
michael@0: }
michael@0: 
michael@0: if( $javah  eq "") {
michael@0:     die "Must specify -j <javah command>";
michael@0: }
michael@0: if( $classdir eq "") {
michael@0:     die "Must specify -d <classdir>";
michael@0: }
michael@0: 
michael@0: foreach $filename (@ARGV)
michael@0: {
michael@0:     $headerfilename = "_jni/";
michael@0:     $headerfilename .= $filename;
michael@0:     $headerfilename =~ s/\./_/g;
michael@0:     $headerfilename .= ".h";
michael@0: 
michael@0:     $classfilename = $filename;
michael@0:     $classfilename =~ s|\.|/|g;
michael@0:     $classfilename .= ".class";
michael@0: 
michael@0:     $classfilename = $classdir . $classfilename;
michael@0: 
michael@0: 
michael@0:     ( $dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $headermtime,
michael@0:       $ctime, $blksize, $blocks ) = stat( $headerfilename );
michael@0: 
michael@0:     ( $dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $classmtime,
michael@0:       $ctime, $blksize, $blocks ) = stat( $classfilename );
michael@0: 
michael@0:     if( $headermtime < $classmtime )
michael@0:     {
michael@0: 	# NOTE:  Since this is used by "javah", and "javah" refuses to overwrite
michael@0: 	#        an existing file, we force an unlink from this script, since
michael@0: 	#        we actually want to regenerate the header file at this time.
michael@0:         unlink $headerfilename;
michael@0:         push @filelist, $filename;
michael@0:     }
michael@0: }
michael@0: 
michael@0: if( @filelist ) {
michael@0:     $cmd = "$javah " . join(" ",@filelist);
michael@0:     $cmd =~ s/\'/\"/g;  # because windows doesn't understand single quote
michael@0:     print "$cmd\n";
michael@0:     exit (system($cmd) >> 8);
michael@0: } else {
michael@0:     print "All JNI header files up to date.\n"
michael@0: }