# operators. Also I will need to change the processing of the
# $RPM_* variable when I upgrade.
- print "perl($module)=$require{$module}\n";
+ print "perl($module) = $require{$module}\n";
}
}
my ($file) = @_;
chomp $file;
-
- open(FILE, "<$file") || return;
+
+ if (!open(FILE, $file)) {
+ warn("$0: Warning: Could not open file '$file' for reading: $!\n");
+ return;
+ }
my ($package, $version, $incomment, $inover) = ();
while (<FILE>) {
-
+
# skip the documentation
# we should not need to have item in this if statement (it
# properly belongs in the over/back section) but people do not
# read the perldoc.
- if (m/^=(head[1-4]|pod|item)/) {
+ if (m/^=(head[1-4]|pod|for|item)/) {
$incomment = 1;
}
$incomment = 0;
$inover = 0;
}
-
+
if (m/^=(over)/) {
$inover = 1;
}
if ($incomment || $inover) {
next;
}
-
+
# skip the data section
if (m/^__(DATA|END)__$/) {
last;
# false positives as if they were provided packages (really ugly).
if (m/^\s*package\s+([_:a-zA-Z0-9]+)\s*;/) {
- $package=$1;
+ $package = $1;
undef $version;
if ($package eq 'main') {
undef $package;
# the package definition is broken up over multiple blocks.
# In that case, don't stomp a previous $VERSION we might have
# found. (See BZ#214496.)
- $require{$package}=undef unless (exists $require{$package});
+ $require{$package} = undef unless (exists $require{$package});
}
}
#CGI/Apache.pm:$VERSION = (qw$Revision: 1.9 $)[1];
#DynaLoader.pm:$VERSION = $VERSION = "1.03"; # avoid typo warning
#General.pm:$Config::General::VERSION = 2.33;
- #
+ #
# or with the new "our" pragma you could (read will) see:
#
# our $VERSION = '1.00'
- if (($package) && (m/^\s*(our\s+)?\$(\Q$package\E::)?VERSION\s*=\s+/)) {
+ if ($package && m/^\s*(our\s+)?\$(\Q$package\E::)?VERSION\s*=\s+/) {
# first see if the version string contains the string
# '$Revision' this often causes bizzare strings and is the most
# common method of non static numbering.
if (m/(\$Revision: (\d+[.0-9]+))/) {
- $version= $2;
- } elsif (m/[\'\"]?(\d+[.0-9]+)[\'\"]?/) {
-
- # look for a static number hard coded in the script
-
- $version= $1;
+ $version = $2;
+ } elsif (m/['"]?(\d+[.0-9]+)['"]?/) {
+
+ # look for a static number hard coded in the script
+
+ $version = $1;
}
- $require{$package}=$version;
+ $require{$package} = $version;
}
-
+
# Allow someone to have a variable that defines virtual packages
- # The variable is called $RPM_Provides. It must be scoped with
- # "our", but not "local" or "my" (just would not make sense).
- #
+ # The variable is called $RPM_Provides. It must be scoped with
+ # "our", but not "local" or "my" (just would not make sense).
+ #
# For instance:
- #
+ #
# $RPM_Provides = "blah bleah"
- #
+ #
# Will generate provides for "blah" and "bleah".
#
# Each keyword can appear multiple times. Don't
# bother with datastructures to store these strings,
# if we need to print it print it now.
-
- if ( m/^\s*(our\s+)?\$RPM_Provides\s*=\s*["'](.*)['"]/i) {
+
+ if (m/^\s*(our\s+)?\$RPM_Provides\s*=\s*["'](.*)['"]/i) {
foreach $_ (split(/\s+/, $2)) {
- print "$_\n";
+ print "$_\n";
}
}
close(FILE) ||
die("$0: Could not close file: '$file' : $!\n");
- return ;
+ return;
}
#!/usr/bin/perl
-# RPM (and its source code) is covered under two separate licenses.
+# RPM (and its source code) is covered under two separate licenses.
# The entire code base may be distributed under the terms of the GNU
# General Public License (GPL), which appears immediately below.
# Erik Troan <ewt@redhat.com>.
# a simple makedepend like script for perl.
-
-# To save development time I do not parse the perl grammmar but
+
+# To save development time I do not parse the perl grammar but
# instead just lex it looking for what I want. I take special care to
# ignore comments and pod's.
# by Ken Estes Mail.com kestes@staff.mail.com
+$HAVE_VERSION = 0;
+eval { require version; $HAVE_VERSION = 1; };
+
+
if ("@ARGV") {
foreach (@ARGV) {
process_file($_);
}
} else {
-
+
# notice we are passed a list of filenames NOT as common in unix the
# contents of the file.
-
+
foreach (<>) {
process_file($_);
}
}
+foreach $perlver (sort keys %perlreq) {
+ print "perl >= $perlver\n";
+}
foreach $module (sort keys %require) {
if (length($require{$module}) == 0) {
print "perl($module)\n";
# operators. Also I will need to change the processing of the
# $RPM_* variable when I upgrade.
- print "perl($module)>=$require{$module}\n";
+ print "perl($module) >= $require{$module}\n";
}
}
+sub add_require {
+ my ($module, $newver) = @_;
+ my $oldver = $require{$module};
+ if ($oldver) {
+ $require{$module} = $newver
+ if ($HAVE_VERSION && $newver && version->new($oldver) < $newver);
+ }
+ else {
+ $require{$module} = $newver;
+ }
+}
+
sub process_file {
-
+
my ($file) = @_;
chomp $file;
-
- open(FILE, "<$file") || return;
-
+
+ if (!open(FILE, $file)) {
+ warn("$0: Warning: Could not open file '$file' for reading: $!\n");
+ return;
+ }
+
while (<FILE>) {
-
+
# skip the "= <<" block
- if ( ( m/^\s*\$(?:.*)\s*=\s*<<\s*(["'`])(.*)\1/) ||
- ( m/^\s*\$(.*)\s*=\s*<<(\w*)\s*;/) ) {
+ if (m/^\s*\$(?:.*)\s*=\s*<<\s*(["'`])(.+?)\1/ ||
+ m/^\s*\$(.*)\s*=\s*<<(\w+)\s*;/) {
$tag = $2;
while (<FILE>) {
chomp;
# skip q{} quoted sections - just hope we don't have curly brackets
# within the quote, nor an escaped hash mark that isn't a comment
# marker, such as occurs right here. Draw the line somewhere.
- if ( m/^.*\Wq[qxwr]?\s*([\{\(\[#|\/])[^})\]#|\/]*$/ && ! m/^\s*(require|use)\s/ ) {
+ if ( m/^.*\Wq[qxwr]?\s*([{([#|\/])[^})\]#|\/]*$/ && ! m/^\s*(require|use)\s/ ) {
$tag = $1;
$tag =~ tr/{\(\[\#|\//})]#|\//;
while (<FILE>) {
# properly belongs in the over/back section) but people do not
# read the perldoc.
- if ( (m/^=(head[1-4]|pod|item)/) .. (m/^=(cut)/) ) {
- next;
+ if (/^=(head[1-4]|pod|for|item)/) {
+ /^=cut/ && next while <FILE>;
}
- if ( (m/^=(over)/) .. (m/^=(back)/) ) {
- next;
+ if (/^=over/) {
+ /^=back/ && next while <FILE>;
}
-
+
# skip the data section
if (m/^__(DATA|END)__$/) {
last;
# bother with datastructures to store these strings,
# if we need to print it print it now.
#
- # Again allow for "our".
- if ( m/^\s*(our\s+)?\$RPM_Requires\s*=\s*["'](.*)['"]/i) {
+ # Again allow for "our".
+ if (m/^\s*(our\s+)?\$RPM_Requires\s*=\s*["'](.*)['"]/i) {
foreach $_ (split(/\s+/, $2)) {
- print "$_\n";
+ print "$_\n";
}
}
- if (
+ my $modver_re = qr/[.0-9]+/;
+
+ if (
# ouch could be in a eval, perhaps we do not want these since we catch
# an exception they must not be required
# eval { require Carp } if defined $^S; # If error/warning during compilation,
- (m/^(\s*) # we hope the inclusion starts the line
- (require|use)\s+(?!\{) # do not want 'do {' loops
- # quotes around name are always legal
- [\'\"]?([^\;\ \'\"\t]*)[\'\"]?[\t\;\ ]
- # the syntax for 'use' allows version requirements
- \s*([.0-9]*)
- /x)
+ (m/^(\s*) # we hope the inclusion starts the line
+ (require|use)\s+(?!\{) # do not want 'do {' loops
+ # quotes around name are always legal
+ ['"]?([^; '"\t#]+)['"]?[\t; ]
+ # the syntax for 'use' allows version requirements
+ # the latter part is for "use base qw(Foo)" and friends special case
+ \s*($modver_re|(qw\s*[(\/'"]\s*|['"])[^)\/"'\$]*?\s*[)\/"'])?
+ /x)
) {
- my ($whitespace, $statement, $module, $version) = ($1, $2, $3,$4);
+ my ($whitespace, $statement, $module, $version) = ($1, $2, $3, $4);
- # we only consider require statements that are flush against
+ # we only consider require statements that are flushed against
# the left edge. any other require statements give too many
# false positives, as they are usually inside of an if statement
# as a fallback module or a rarely used option
# if there is some interpolation of variables just skip this
# dependency, we do not want
# do "$ENV{LOGDIR}/$rcfile";
-
+
($module =~ m/\$/) && next;
# skip if the phrase was "use of" -- shows up in gimp-perl, et al.
next if $module eq 'of';
- # if the module ends in a comma we probaly caught some
+ # if the module ends in a comma we probably caught some
# documentation of the form 'check stuff,\n do stuff, clean
# stuff.' there are several of these in the perl distribution
# ($module =~ m/^\./) && next;
- # if the module ends with .pm strip it to leave only basename.
- # starts with /, which means its an absolute path to a file
+ # if the module starts with /, it is an absolute path to a file
if ($module =~ m(^/)) {
print "$module\n";
next;
$module =~ s/qw.*$//;
$module =~ s/\(.*$//;
+ # if the module ends with .pm, strip it to leave only basename.
$module =~ s/\.pm$//;
- # some perl programmers write 'require URI/URL;' when
+ # some perl programmers write 'require URI/URL;' when
# they mean 'require URI::URL;'
$module =~ s/\//::/;
# if module is a number then both require and use interpret that
# to mean that a particular version of perl is specified
- my $ver=$1;
+ my $ver = $1;
if ($ver =~ /5.00/) {
- print "perl>=0:$ver\n";
+ $perlreq{"0:$ver"} = 1;
next;
}
else {
- print "perl>=1:$ver\n";
+ $perlreq{"1:$ver"} = 1;
next;
}
# ph files do not use the package name inside the file.
# perlmodlib documentation says:
-
+
# the .ph files made by h2ph will probably end up as
# extension modules made by h2xs.
-
+
# so do not expend much effort on these.
# will be included with the name sys/systeminfo.ph so only use the
# basename of *.ph files
- ($module =~ m/\.ph$/) && next;
+ ($module =~ m/\.ph$/) && next;
+
+ # use base qw(Foo) dependencies
+ if ($statement eq "use" && $module eq "base") {
+ add_require($module, undef);
+ if ($version =~ /^qw\s*[(\/'"]\s*([^)\/"']+?)\s*[)\/"']/) {
+ add_require($_, undef) for split(' ', $1);
+ }
+ elsif ($version =~ /(["'])([^"']+)\1/) {
+ add_require($2, undef);
+ }
+ next;
+ }
+ $version = undef unless $version =~ /^$modver_re$/o;
- $require{$module}=$version;
- $line{$module}=$_;
+ add_require($module, $version);
}
-
+
}
close(FILE) ||
die("$0: Could not close file: '$file' : $!\n");
-
- return ;
+
+ return;
}