#!/usr/bin/perl
-# RPM (and it's source code) is covered under two separate licenses.
+# This is free software. You may redistribute copies of it under the terms of
+# the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
+# There is NO WARRANTY, to the extent permitted by law.
-# The entire code base may be distributed under the terms of the GNU
-# General Public License (GPL), which appears immediately below.
-# Alternatively, all of the source code in the lib subdirectory of the
-# RPM source code distribution as well as any code derived from that
-# code may instead be distributed under the GNU Library General Public
-# License (LGPL), at the choice of the distributor. The complete text
-# of the LGPL appears at the bottom of this file.
+# This script was originally written by Ken Estes Mail.com
+# kestes@staff.mail.com
-# This alternative is allowed to enable applications to be linked
-# against the RPM library (commonly called librpm) without forcing
-# such applications to be distributed under the GPL.
+# a simple script to print the proper name for Perl libraries.
-# Any questions regarding the licensing of RPM should be addressed to
-# Erik Troan <ewt@redhat.com>.
-
-# a simple script to print the proper name for perl libraries.
-
-# To save development time I do not parse the perl grammmar but
-# instead just lex it looking for what I want. I take special care to
-# ignore comments and pod's.
-
-# it would be much better if perl could tell us the proper name of a
-# given script.
+# It does not parse the perl grammar but instead just lex it looking for
+# what we want. It takes special care to ignore comments and pod's.
# The filenames to scan are either passed on the command line or if
# that is empty they are passed via stdin.
# then these are treated as additional names which are provided by the
# file and are printed as well.
-# I plan to rewrite this in C so that perl is not required by RPM at
-# build time.
-
-# by Ken Estes Mail.com kestes@staff.mail.com
+my $perl_ns = "perl";
if ("@ARGV") {
foreach (@ARGV) {
foreach $module (sort keys %require) {
if (length($require{$module}) == 0) {
- print "perl($module)\n";
+ print "$perl_ns($module)\n";
} else {
- # I am not using rpm3.0 so I do not want spaces arround my
+ # I am not using rpm3.0 so I do not want spaces around my
# operators. Also I will need to change the processing of the
# $RPM_* variable when I upgrade.
- print "perl($module) = $require{$module}\n";
+ print "$perl_ns($module) = $require{$module}\n";
}
}
while (<FILE>) {
+ # skip the here-docs "<<" blocks
+ # assume that <<12 means bitwise operation
+ if (((m/^\s*(?:'[^']*?'|"[^"]*?"|[^"'#]*?)*?[^"'#<@]<<[\\]?(\w+)\s*/ &&
+ ($1 !~ m/^\d+$/)) ||
+ m/^\s*(?:'[^']*?'|"[^"]*?"|[^"'#]*?)*?[^"'#<@]<<\s*('[^']*?'|"[^"]*?"|`[^`]*?`)\s*/
+ ) &&
+ ! m/q[qxwr]?\s*[{([#|!\/][^})\]#|!\/]*?<<[^<]/
+ ) {
+ $tag = $1;
+ $tag =~ s/['"`]//g;
+ while (<FILE>) {
+ chomp;
+ ( $_ eq $tag ) && last;
+ }
+ $_ = <FILE>;
+ }
+
+ # 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*(package)\s/ ) {
+ $tag = $1;
+ $tag =~ tr/{\(\[\#|!\//})]#|!\//;
+ $tag = quotemeta($tag);
+ while (<FILE>) {
+ ( $_ =~ m/$tag/ ) && last;
+ }
+ }
+
# 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|for|item)/) {
- $incomment = 1;
- }
-
- if (m/^=(cut)/) {
- $incomment = 0;
- $inover = 0;
- }
-
- if (m/^=(over)/) {
- $inover = 1;
- }
-
- if (m/^=(back)/) {
- $inover = 0;
+ if (/^=(head[1-4]|pod|for|item)/) {
+ /^=cut/ && next while <FILE>;
}
- if ($incomment || $inover) {
- next;
+ if (/^=over/) {
+ /^=back/ && next while <FILE>;
}
# skip the data section
# package name so we report all namespaces except some common
# false positives as if they were provided packages (really ugly).
- if (m/^\s*package\s+([_:a-zA-Z0-9]+)\s*;/) {
+ if (m/^\s*package\s+([_:a-zA-Z0-9]+)\s*v?([0-9._]+)?\s*(;|{)/) {
$package = $1;
- undef $version;
+ $version = defined($2) ? $2 : undef;
if ($package eq 'main') {
undef $package;
+ undef $version;
} else {
# If $package already exists in the $require hash, it means
# 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} = $version unless (exists $require{$package});
}
}
# 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*use\s+version\s*;)?\s*(?:[^#=]*=[^=~>]|)?\s*(?:our\s+)?\$(?:\Q$package\E::)?VERSION\s*=([^=~>]\s*[^;]*)/) {
+ my $version_str = $1;
# first see if the version string contains the string
- # '$Revision' this often causes bizzare strings and is the most
+ # '$Revision' this often causes bizarre strings and is the most
# common method of non static numbering.
- if (m/(\$Revision: (\d+[.0-9]+))/) {
- $version = $2;
- } elsif (m/['"]?(\d+[.0-9]+)['"]?/) {
+ if ($version_str =~ m/\$Revision: (\d+[.0-9]+)/) {
+ $version = $1;
+ } elsif ($version_str =~ m/\b['"]?v?(\d+(?:\.[.0-9]+)?)(_\d*|[a-zA-Z]*)?['"]?\b/) {
# look for a static number hard coded in the script
#!/usr/bin/perl
-# RPM (and its source code) is covered under two separate licenses.
+# This is free software. You may redistribute copies of it under the terms of
+# the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
+# There is NO WARRANTY, to the extent permitted by law.
-# The entire code base may be distributed under the terms of the GNU
-# General Public License (GPL), which appears immediately below.
-# Alternatively, all of the source code in the lib subdirectory of the
-# RPM source code distribution as well as any code derived from that
-# code may instead be distributed under the GNU Library General Public
-# License (LGPL), at the choice of the distributor. The complete text
-# of the LGPL appears at the bottom of this file.
+# This script was originally written by Ken Estes Mail.com
+# kestes@staff.mail.com
-# This alternatively is allowed to enable applications to be linked
-# against the RPM library (commonly called librpm) without forcing
-# such applications to be distributed under the GPL.
+# a simple script used to generate dependencies of Perl modules and scripts.
-# Any questions regarding the licensing of RPM should be addressed to
-# Erik Troan <ewt@redhat.com>.
-
-# a simple makedepend like script for perl.
-
-# 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.
-
-# It would be much better if perl could tell us the dependencies of a
-# given script.
+# It does not parse the perl grammar but instead just lex it looking for
+# what we want. It takes special care to ignore comments and pod's.
# The filenames to scan are either passed on the command line or if
# that is empty they are passed via stdin.
# then these are treated as additional names which are required by the
# file and are printed as well.
-# I plan to rewrite this in C so that perl is not required by RPM at
-# build time.
-
-# by Ken Estes Mail.com kestes@staff.mail.com
+my $perl_ns = "perl";
$HAVE_VERSION = 0;
eval { require version; $HAVE_VERSION = 1; };
-
+use Fedora::VSP ();
+
+use File::Basename;
+my $dir = dirname($0);
+$HAVE_PROV = 0;
+if ( -e "$dir/perl.prov" ) {
+ $HAVE_PROV = 1;
+ $prov_script = "$dir/perl.prov";
+}
if ("@ARGV") {
- foreach (@ARGV) {
- process_file($_);
+ foreach my $file (@ARGV) {
+ process_file($file);
+ process_file_provides($file);
+ compute_global_requires();
}
} else {
# notice we are passed a list of filenames NOT as common in unix the
# contents of the file.
- foreach (<>) {
- process_file($_);
+ foreach my $file (<>) {
+ process_file($file);
+ process_file_provides($file);
+ compute_global_requires();
}
}
foreach $perlver (sort keys %perlreq) {
- print "perl >= $perlver\n";
+ print "$perl_ns(:VERSION) >= $perlver\n";
}
-foreach $module (sort keys %require) {
- if (length($require{$module}) == 0) {
- print "perl($module)\n";
+
+foreach my $module (sort keys %global_require) {
+ if (length($global_require{$module}) == 0) {
+ print "$perl_ns($module)\n";
} else {
# I am not using rpm3.0 so I do not want spaces around my
# operators. Also I will need to change the processing of the
# $RPM_* variable when I upgrade.
- print "perl($module) >= $require{$module}\n";
+ print "$perl_ns($module) >= $global_require{$module}\n";
}
}
exit 0;
+sub compute_global_requires {
+
+# restrict require to all non provided by the file
+ foreach my $moduler (sort keys %require) {
+ if (exists $provide{$moduler} && length($require{$moduler}) == 0) {
+ $require = delete $require{$moduler};
+ }
+ }
+# store requires to global_requires
+ foreach my $module (sort keys %require) {
+ my $oldver = $global_require{$module};
+ my $newver = $require{$module};
+ if ($oldver) {
+ $global_require{$module} = $newver
+ if ($HAVE_VERSION && $newver && version->new($oldver) < $newver);
+ } else {
+ $global_require{$module} = $newver;
+ }
+ }
+# remove all local requires and provides
+ undef %require;
+ undef %provide;
+}
+
+sub add_perlreq {
+ my ($newver) = @_;
+ if (%perlreq) {
+ my ($oldver) = keys %perlreq;
+ if (eval "v$oldver" lt eval "v$newver") {
+ delete $perlreq{$oldver};
+ $perlreq{$newver} = 1;
+ }
+ } else {
+ $perlreq{$newver} = 1;
+ }
+}
sub add_require {
my ($module, $newver) = @_;
+
+ # __EXAMPLE__ is not valid requirement
+ return if ($module =~ m/^__[A-Z]+__$/o);
+
+ # To prevent that module does not end with '::'
+ # Example: use base Object::Event::;
+ $module =~ s/::$//;
+
my $oldver = $require{$module};
if ($oldver) {
$require{$module} = $newver
while (<FILE>) {
- # skip the "= <<" block
-
- if (m/^\s*\$(?:.*)\s*=\s*<<\s*(["'`])(.+?)\1/ ||
- m/^\s*\$(.*)\s*=\s*<<(\w+)\s*;/) {
- $tag = $2;
+ # skip the here-docs "<<" blocks
+ # assume that <<12 means bitwise operation
+ if (((m/^\s*(?:'[^']*?'|"[^"]*?"|[^"'#]*?)*?[^"'#<@]<<[\\]?(\w+)\s*/ &&
+ ($1 !~ m/^\d+$/)) ||
+ m/^\s*(?:'[^']*?'|"[^"]*?"|[^"'#]*?)*?[^"'#<@]<<\s*('[^']*?'|"[^"]*?"|`[^`]*?`)\s*/
+ ) &&
+ ! m/q[qxwr]?\s*[{([#|!\/][^})\]#|!\/]*?<<[^<]/
+ ) {
+ $tag = $1;
+ $tag =~ s/['"`]//g;
+ if ($_ =~ m/^\s*use\s(constant)\s/) { add_require($1, undef) }
while (<FILE>) {
chomp;
( $_ eq $tag ) && last;
# 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/{\(\[\#|\//})]#|\//;
+ $tag =~ tr/{\(\[\#|!\//})]#|!\//;
+ $tag = quotemeta($tag);
while (<FILE>) {
- ( $_ =~ m/\}/ ) && last;
+ ( $_ =~ m/$tag/ ) && last;
}
}
}
my $modver_re = qr/[.0-9]+/;
+ my $begin_re = qr#qw\s*[(\/'"!|{\[]\s*|qq?\s*[(\/'"!|{\[]\s*|['"]#;
+ my $end_re = qr#[)\/"'!|}\]]#;
+
+ # Skip multiline print and assign statements
+ if ( m/\$\S+\s*=\s*(")([^"\\]|(\\.))*$/ ||
+ m/\$\S+\s*=\s*(')([^'\\]|(\\.))*$/ ||
+ m/print\s+(")([^"\\]|(\\.))*$/ ||
+ m/print\s+(')([^'\\]|(\\.))*$/ ) {
+
+ my $quote = $1;
+ while (<FILE>) {
+ m/^([^\\$quote]|(\\.))*$quote/ && last;
+ }
+ $_ = <FILE>;
+ }
if (
(m/^(\s*) # we hope the inclusion starts the line
+ (?:BEGIN\s*\{\s*)? # but we accept an optional BEGIN { as used in Module::Loaded
(require|use)\s+(?!\{) # do not want 'do {' loops
# quotes around name are always legal
- ['"]?([^; '"\t#]+)['"]?[\t; ]
+ (?:$begin_re?\s*([\w:\/\.]+?)\s*$end_re?|
+ ([\w:\.]+?))[^\w]*?
+ [\t; \n]
# the syntax for 'use' allows version requirements
+ \s*($modver_re)?\s*
+ # catch parameter like '-norequire,'
+ (-[\w,]+)?\s*
# the latter part is for "use base qw(Foo)" and friends special case
- \s*($modver_re|(qw\s*[(\/'"]\s*|['"])[^)\/"'\$]*?\s*[)\/"'])?
+ (?:$begin_re\s*
+ ([^)\/"'\$!|}]*?)
+ \s*$end_re|
+ (?:qw<|qq?<)([^>]*?)>|([\w\:]+)|)\s*(.*)
/x)
) {
- my ($whitespace, $statement, $module, $version) = ($1, $2, $3, $4);
+ my ($whitespace, $statement, $module, $version, $params, $list, $rest) = ($1, $2, $3, $5, $6, $7 || $8 || $9, $10);
+ $version = undef if ($version eq '');
+
+ # Ignore line which contains direct method calls
+ # use base __PACKAGE__->subroutine(...);
+ $list = "" if ($list =~ /^[^;#]*?->/ || $rest =~ /^[^;#]*?->/);
+
+ #
+ # Executed in case that multiline q{} quoted sections is used for
+ # list of modules
+ if (defined($list) && $list =~ /^q[qxwr]?$/) {
+ $list = "";
+ if ($rest =~ m/^\s*([{([#|!\/])\s*([^})\]#|!\/]*)$/) {
+ $tag = $1;
+ $list = $2;
+ chomp($list);
+ $tag =~ tr/{\(\[\#|!\//})]#|!\//;
+ $tag = quotemeta($tag);
+ while (<FILE>) {
+ my $line = $_;
+ chomp($line);
+ if ($line =~ m/^\s*(.*?)$tag/) {
+ $list .= ' ' . $1 if ($1 ne '');
+ last;
+ } else { $list .= ' ' . $line; }
+ }
+ }
+ }
# we only consider require statements that are flushed against
# the left edge. any other require statements give too many
($module =~ m/\$/) && next;
+ # ignore variables
+ ($module =~ m/^\s*[\$%@\*]/) && next;
+
# skip if the phrase was "use of" -- shows up in gimp-perl, et al.
next if $module eq 'of';
$module =~ s/\(.*$//;
# if the module ends with .pm, strip it to leave only basename.
- $module =~ s/\.pm$//;
+ # .pm files are not accepted by 'use'
+ ($module =~ s/\.pm$// && $statement eq 'use' ) && next;
# some perl programmers write 'require URI/URL;' when
# they mean 'require URI::URL;'
- $module =~ s/\//::/;
+ ($module =~ s/\//::/ && $statement eq 'use' ) && next;
# trim off trailing parentheses if any. Sometimes people pass
# the module an empty list.
$module =~ s/\(\s*\)$//;
- if ( $module =~ m/^v?([0-9._]+)$/ ) {
- # if module is a number then both require and use interpret that
- # to mean that a particular version of perl is specified
+ if ( $module =~ m/^(v?[0-9._]+)$/ ) {
+ # if module is a number then both require and use interpret that
+ # to mean that a particular version of perl is specified
- my $ver = $1;
- if ($ver =~ /5.00/) {
- $perlreq{"0:$ver"} = 1;
- next;
- }
- else {
- $perlreq{"1:$ver"} = 1;
- next;
- }
+ my $rpm_ver = Fedora::VSP::vsp($1);
+ if (defined $rpm_ver) {
+ add_perlreq("$rpm_ver");
+ 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(' ', $1);
+ # use base|parent qw(Foo) dependencies
+ # use aliased qw(Foo::Bar) dependencies
+ if ($statement eq "use" && ($module eq "base" || $module eq "aliased")) {
+ add_require($module, $version);
+ if (defined($list) && $list ne "") {
+ add_require($_, undef) for split(' ', $list);
}
- elsif ($version =~ /(["'])([^"']+)\1/) {
- add_require($2, undef);
+ next;
+ }
+ # use parent -norequire, 'No::Version'; # $params == "-norequire,"
+ # use parent qw/-norequire XML::XPath::Node/; # $list == "-norequire XML::XPath::Node"
+ if ($statement eq "use" && $module eq "parent") {
+ add_require($module, $version);
+ if (defined($list) && $list ne "" && $list !~ /-norequire/ && $params !~ /-norequire/) {
+ add_require($_, undef) for split(' ', $list);
+ }
+ next;
+ }
+
+ # use Any::Moose dependencies
+ # Mouse or Mouse::Role will be added
+ if ($statement eq "use" && $module eq "Any::Moose") {
+ add_require($module, $version);
+ if (defined($list) && $list ne "") {
+ if (grep { !/^Role$/ } split(' ', $list)) {
+ add_require('Mouse::Role', undef);
+ } else {
+ add_require('Mouse', undef);
+ }
+ } else {
+ add_require('Mouse', undef);
}
next;
}
- $version = undef unless $version =~ /^$modver_re$/o;
add_require($module, $version);
- }
+ } # use|require regex
- }
+ } # while (<FILE>)
close(FILE) ||
die("$0: Could not close file: '$file' : $!\n");
return;
}
+
+sub process_file_provides {
+
+ my ($file) = @_;
+ chomp $file;
+
+ return if (! $HAVE_PROV);
+
+ $file =~ s/'/'"'"'/g;
+ my @result = readpipe( "$prov_script '$file'" );
+ foreach my $prov (@result) {
+ $provide{$1} = undef if $prov =~ /perl\(([_:a-zA-Z0-9]+)\)/;
+ }
+
+}