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#!/usr/bin/perl
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
# Copyright 2008 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
use strict;
use File::Find ();
require v5.8.4;
use vars qw/$f_flg *name *dir @execlist $basedir @opt_e @exclude/;
*name = *File::Find::name;
*dir = *File::Find::dir;
# Use the same mechanism as def.dir.flp to determine if there are any
# SCCS files matching the pattern supplied for a "find_files"
# statement.
sub sccs_empty {
my ($pat, $dir) = @_;
return 0 if $f_flg;
my $foo = `find $dir -name "$pat" -print | grep /SCCS/s.`;
$foo eq "";
}
# Not pretty, but simple enough to work for the known cases.
# Does not bother with curly braces or fancy substitutions.
# Returns undef if this pattern is excluded.
sub expand {
my ($str) = @_;
while ($str =~ /\$(\w+)/) {
my $newstr = $ENV{$1};
$str =~ s/\$$1/$newstr/g;
}
foreach my $pat (@exclude) {
return undef if $str =~ /$pat/;
}
$str;
}
# Process a single inc.flg or req.flg file.
sub process_file {
my ($fname, $incpath) = @_;
my ($dname, $isincflg);
my ($expfile, $newpath, $line, $cont, $firstline, $text);
$dname = $fname;
$dname =~ s+/[^/]*$++;
$isincflg = $fname =~ /inc.flg$/;
if (defined $incpath) {
$newpath = "$incpath, from $fname:";
} else {
$newpath = "from $fname:";
}
if (open INC, "<$fname") {
$line = 0;
$cont = 0;
while (<INC>) {
chomp;
$line++;
( $cont = 0, next ) if /^\s*#/ || /^\s*$/;
if ($cont) {
$text = $text . $_;
} else {
$firstline = $line;
$text = $_;
}
if (/\\$/) {
$cont = 1;
$text =~ s/\\$//;
next;
}
$cont = 0;
if ($text =~ /\s*echo_file\s+(\S+)/) {
next if !defined($expfile = expand($1));
warn "$fname:$firstline: $1 isn't a file\n" if ! -f $expfile;
} elsif ($text =~ /\s*find_files\s+['"]([^'"]+)['"]\s+(.*)/) {
foreach my $dir (split(/\s+/, "$2")) {
next if !defined($expfile = expand($dir));
if (! -d $expfile) {
warn "$fname:$firstline: $dir isn't a directory\n";
} elsif ($isincflg && $expfile eq $dname) {
warn "$fname:$firstline: $dir is unnecessary\n";
} elsif (sccs_empty($1, $expfile)) {
warn "$fname:$firstline: $dir has no SCCS objects ",
"with '$1'\n";
}
}
} elsif ($text =~ /\s*exec_file\s+(\S+)/) {
next if !defined($expfile = expand($1));
if (-f $expfile) {
push @execlist, $expfile, "$newpath:$firstline";
} else {
warn "$fname:$firstline: $1 isn't a file\n";
warn "included $incpath\n" if defined $incpath;
}
} else {
warn "$0: $fname:$firstline: unknown entry: $text\n";
warn "included $incpath\n" if defined $incpath;
}
}
close INC;
} else {
warn "$0: $fname: $!\n";
}
}
sub wanted {
process_file($_, undef) if /\/(inc|req)\.flg$/ && -f $_;
}
sub next_arg {
my ($arg) = @_;
if ($arg eq "") {
die "$0: missing argument for $_\n" if $#ARGV == -1;
$arg = shift @ARGV;
}
$arg;
}
# I'd like to use Perl's getopts here, but it doesn't handle repeated
# options, and using comma separators is just too ugly.
# This doesn't handle combined options (as in '-rm'), but I don't care.
my $arg;
while ($#ARGV >= 0) {
$_ = $ARGV[0];
last if /^[^-]/;
shift @ARGV;
last if /^--$/;
SWITCH: {
/^-f/ && do { $f_flg = 1; last SWITCH; };
if (/^-e(.*)$/) {
$arg = next_arg($1);
push @opt_e, $arg;
last SWITCH;
}
print "$0: unknown option $_\n";
usage();
}
}
# compile the 'exclude' regexps
@exclude = map qr/$_/x, @opt_e;
$basedir = "usr";
if ($#ARGV == 0) {
$basedir = shift @ARGV;
} elsif ($#ARGV > 0) {
die "$0: unexpected arguments\n";
}
die "$0: \$CODEMGR_WS must be set\n" if $ENV{CODEMGR_WS} eq "";
chdir $ENV{CODEMGR_WS} or die "$0: chdir $ENV{CODEMGR_WS}: $!\n";
File::Find::find({wanted => \&wanted, no_chdir => 1}, $basedir);
# After passing through the tree, process all of the included files.
# There aren't many of these, so don't bother trying to optimize the
# traversal. Just do them all.
while (@execlist) {
my $file = shift @execlist;
my $incpath = shift @execlist;
process_file($file, $incpath);
}
exit 0;
|
