admin: distfiles/specparser.pl - version from DEVEL seems to be fu...
sparky
sparky at pld-linux.org
Tue Mar 13 10:55:57 CET 2007
Author: sparky Date: Tue Mar 13 09:55:57 2007 GMT
Module: admin Tag: HEAD
---- Log message:
- version from DEVEL seems to be functional: merged
---- Files affected:
admin/distfiles:
specparser.pl (1.13 -> 1.14)
---- Diffs:
================================================================
Index: admin/distfiles/specparser.pl
diff -u admin/distfiles/specparser.pl:1.13 admin/distfiles/specparser.pl:1.14
--- admin/distfiles/specparser.pl:1.13 Mon Mar 12 21:47:30 2007
+++ admin/distfiles/specparser.pl Tue Mar 13 10:55:52 2007
@@ -13,164 +13,268 @@
# 0 - normal
# 2 - cannot open spec file
#
+use strict;
+use warnings;
+
+my %no_source;
+my $spec;
+my $base_spec;
+my @spec;
+my @sources;
sub next_spec($)
{
- $spec = shift;
- $base_spec = $spec;
- $base_spec =~ s|.*/||;
- %macro = ( "nil" => "" );
- $err_cnt = 0;
+ $spec = shift;
+ @spec = ();
+ $base_spec = $spec;
+ $base_spec =~ s|.*/||;
}
sub error($)
{
- $err_cnt++;
- print "ERROR: $base_spec: $_[0]\n";
+ print_once( "ERROR: $base_spec: $_[0]" );
}
sub warning($)
{
- print "ERROR: $base_spec: $_[0]\n";
+ print "ERROR: $base_spec: $_[0]\n";
}
sub trim_spaces($)
{
- my $v = shift;
-
- $v =~ s/\s+$//;
- $v =~ s/^\s+//;
-
- return $v;
+ my $v = shift;
+
+ $v =~ s/\s+$//;
+ $v =~ s/^\s+//;
+
+ return $v;
}
# expand macros in string
-sub expand($)
+sub expand($$) # {{{
{
- my $v = trim_spaces(shift);
- my $cnt = 20;
+ my $v = trim_spaces(shift);
+ my $macrotree = shift;
+ my $cnt = 20;
+
+ while ($v =~ /\%\{([^\}]+)\}/) {
+ my $value;
+ if (defined $macrotree->{$1}) {
+ $value = $macrotree->{$1};
+ } else {
+ error("undefined macro $1");
+ $value = "UNDEFINED";
+ return undef;
+ }
+ $v =~ s/\%\{([^\}]+)\}/$value/;
- while ($v =~ /\%\{([^\}]+)\}/) {
- my $value;
- if (defined $macro{$1}) {
- $value = $macro{$1};
- } else {
- error("undefined macro $1");
- $value = "UNDEFINED";
- }
- $v =~ s/\%\{([^\}]+)\}/$value/;
-
- return $v if (length $v > 1000 or $cnt-- <= 0)
- }
-
- while ($v =~ s/\%\(\s*echo\s+([^\|]+?)\s*\|\s*tr\s*(-d|)\s+([^\)]+?)\s*\)/\@\@tr-me\@\@/) {
- my ($what, $d_opt, $how) = ($1, $2, $3);
- my ($from, $to) = ($how, "");
- ($from, $to) = ($1, $2)
- if $how =~ /^([^\s]+)\s+([^\s]+)$/;
- if ($d_opt and $to ne "") {
- error("tr -d with second string)");
- } elsif (($from . $to) =~ /^[a-zA-Z0-9\+_\-\.]+$/) {
- if ($d_opt) {
- eval "\$what =~ tr/$from//d;";
- } else {
- eval "\$what =~ tr/$from/$to/;";
- }
- } else {
- error("illegal characters in tr string(s) '$from' '$to'");
- }
- $v =~ s/\@\@tr-me\@\@/$what/;
-
- return $v if (length $v > 1000 or $cnt-- <= 0)
- }
-
- error("unexpanded macros in $v")
- if ($v =~ /\%[^0-9]/);
-
- return $v;
-}
+ return $v if (length $v > 1000 or $cnt-- <= 0)
+ }
-# define given macro
-sub define($$)
+ while ($v =~ s/\%\(\s*echo\s+([^\|]+?)\s*\|\s*tr\s*(-d|)\s+([^\)]+?)\s*\)/\@\@tr-me\@\@/) {
+ my ($what, $d_opt, $how) = ($1, $2, $3);
+ my ($from, $to) = ($how, "");
+ ($from, $to) = ($1, $2)
+ if $how =~ /^([^\s]+)\s+([^\s]+)$/;
+ if ($d_opt and $to ne "") {
+ error("tr -d with second string)");
+ } elsif (($from . $to) =~ /^[a-zA-Z0-9\+_\-\.]+$/) {
+ if ($d_opt) {
+ eval "\$what =~ tr/$from//d;";
+ } else {
+ eval "\$what =~ tr/$from/$to/;";
+ }
+ } else {
+ error("illegal characters in tr string(s) '$from' '$to'");
+ }
+ $v =~ s/\@\@tr-me\@\@/$what/;
+
+ return $v if (length $v > 1000 or $cnt-- <= 0)
+ }
+
+ error("unexpanded macros in $v")
+ if ($v =~ /\%[^0-9]/);
+
+ return $v;
+} # }}}
+
+sub preparse_spec($) # {{{
{
- my ($n, $v) = @_;
- $macro{$n} = trim_spaces($v);
-}
+ @spec = ("");
+
+ open(F, "< $_[0]") or die;
+ while (<F>) {
+ chomp;
+ if (/^\s*(\%(description|package|prep|install|pre|post|files)|BuildRoot|URL)/) {
+ last;
+ } elsif (/^\s*(\%if.*|\%else|\%endif|\%define\s+.*|Version.*|Name.*)\s*$/) {
+ $_ = $1;
+ if ($spec[$#spec] =~ /\%if/) {
+ if (/\%else/) {
+ next; # don't include empty %if-%else
+ } elsif (/\%endif/) {
+ # remove empty %if-%endif
+ pop @spec;
+ next;
+ }
+ }
+ push @spec, $_;
+ } elsif (/^NoSource\s*:\s*(\d+)\s*$/i) {
+ $no_source{$1} = 1;
+ }
+ }
+ close(F);
+
+ shift @spec;
+} # }}}
+
+
+my $total = 0;
+
+sub cont($$);
+sub cont($$) # {{{
+{
+ my ($spec, $macros) = @_;
+ local $_;
+ while ($_ = shift @{$spec}) {
+ if (0 <= index $_, '%if') { # if, ifarch, ifos
+
+ # split spec parsing
+ my @speccopy = @{$spec};
+ my %macroscopy = %{$macros};
+ cont(\@speccopy, \%macroscopy);
+
+ my $level = 0;
+ while ($_ = shift @{$spec}) {
+ if ($level <= 0 and ($_ eq '%else' or $_ eq '%endif')) {
+ last;
+ } elsif (0 <= index $_, '%if') {
+ $level++;
+ } elsif ($_ eq '%endif') {
+ $level--;
+ }
+ }
+
+ # continue parsing
+
+ } elsif ($_ eq '%else') {
+
+ # %else happens only when %if was interpreted
+ # so skip until %endif
+
+ my $level = 0;
+ while ($_ = shift @{$spec}) {
+ if ($level <= 0 and $_ eq '%endif') {
+ last;
+ } elsif (0 <= index $_, '%if') {
+ $level++;
+ } elsif ($_ eq '%endif') {
+ $level--;
+ }
+ }
+
+ } elsif (/^\s*\%(define|global)\s+([^\s]+)\s+([^\s].*?)\s*$/) {
+ $macros->{$2} = $3;
+
+ } elsif (/^Version\s*:\s*(.*?)\s*$/i) {
+ $macros->{"version"} = $1;
+ } elsif (/^Name\s*:\s*(.*?)\s*$/i) {
+ $macros->{"name"} = $1;
+ } elsif (!/\%endif/) {
+ warn "unrecognised line: $_\n";
+ }
+ }
-# sets hash of macros defined with %define or %global
-# also define %{name}, %{version} and %{source_N}
-sub parse_defines($)
-{
- open(F, "< $_[0]") or die;
- while (<F>) {
- chomp;
- if (/^\s*\%(define|global)\s+([^\s]+)\s+([^\s].*)$/) {
- define($2, $3);
- } elsif (/^Version\s*:\s*(.*)/i) {
- define("version", $1);
- } elsif (/^Name\s*:\s*(.*)/i) {
- define("name", $1);
- #} elsif (/^Source(\d+)\s*:\s*(.*)/i) {
- # define("source_$1", expand($2));
- } elsif (/^Patch(\d+)\s*:\s*(.*)/i) {
- define("patch_$1", expand($2));
- } elsif (/^NoSource\s*:\s*(\d+)\s*$/i) {
- define("no_source_$1", "1");
- }
- }
- close(F);
+ # the end, yuppie !
+ foreach my $s (@sources) {
+ my $src = expand( $s->[2], $macros );
+ if (defined $src) {
+ our %tried;
+ unless (exists $tried{$src}) {
+ print_source( $s->[0], $s->[1], $src );
+ $tried{$src} = 1;
+ }
+ }
+ }
+
+ if (++$total > 10000) {
+ error("maximum number of bcond posibilities exceeded");
+ exit 0;
+ }
+} # }}}
+
+sub print_once($)
+{
+ our %printed;
+ my $l = shift;
+ unless (exists $printed{$l}) {
+ print $l . "\n";
+ $printed{$l} = 1;
+ }
}
-sub print_md5($)
+sub print_source($$$) # {{{
{
- open(F, "< $_[0]") or die;
- my $sourceno = undef;
- my $source = undef;
- while (<F>) {
- chomp;
- if (/^Source(\d+)\s*:\s*(.*)/i) {
- $sourceno = $1;
- $source = expand($2);
- } elsif (/^\s*#\s*source(\d+)-md5\s*:\s*([a-f0-9]{32})/i) {
- my $no = $1;
- my $md5 = $2;
- if (defined $macro{"no_source_$no"}) {
- error("both NoSource: $no and md5 given");
- } elsif (defined $sourceno and ($sourceno == $no)) {
- my $s = $source;
+ my ($no, $md5, $s) = @_;
+
if ($s =~ /^([a-z0-9A-Z:\=\?\@\+\~\.\-\/_]|\%[0-9])+$/) {
- if ($s =~ /^(ftp|http|https):\/\//) {
- if ($s =~ /\/$/) {
- error("source $no ($s) is directory");
- } else {
- if ($s =~ /:\/\/distfiles\.pld-linux\.org\/src/) {
- $s =~ s|.*/||;
- print "$md5 no-url-copy://$s\n";
- } else {
- print "$md5 $s\n";
- }
- }
- } else {
- $s =~ s|.*/||;
- print "$md5 no-url://$s\n";
- }
+ if ($s =~ /^(ftp|http|https):\/\//) {
+ if ($s =~ /\/$/) {
+ error("source $no ($s) is directory");
+ } else {
+ if ($s =~ /:\/\/distfiles\.pld-linux\.org\/src/) {
+ $s =~ s|.*/||;
+ print_once( "$md5 no-url-copy://$s" );
+ } else {
+ print_once( "$md5 $s" );
+ }
+ }
+ } else {
+ $s =~ s|.*/||;
+ print_once( "$md5 no-url://$s");
+ }
} else {
- error("source $no url $s is ill-formatted");
+ error("source $no url $s is ill-formatted");
}
- } elsif (defined $sourceno) {
- error("found md5 for source $no, but last defined source is $sourceno");
- } else {
- error("source $no not defined");
- }
- $sourceno = undef;
- $source = undef;
- }
- }
- close(F);
-}
+} # }}}
+
+sub add_md5_to_print($) # {{{
+{
+ open(F, "< $_[0]") or die;
+ my $sourceno = undef;
+ my $source = undef;
+ while (<F>) {
+ chomp;
+ if (/^Source(\d+)\s*:\s*(.*)/i) {
+ $sourceno = $1;
+ $source = $2;
+ } elsif (/^\s*#\s*source(\d+)-md5\s*:\s*([a-f0-9]{32})/i) {
+ my $no = $1;
+ my $md5 = $2;
+ if (defined $no_source{$no}) {
+ error("both NoSource: $no and md5 given");
+ } if (defined $sourceno) {
+ if ($sourceno == $no) {
+ push @sources, [$no, $md5, $source];
+ } else {
+ error("found md5 for source $no, but last defined source is $sourceno (# SourceN-md5: has to be placed just after SourceN:)");
+ }
+ } else {
+ error("source $no not defined (# SourceN-md5: has to be placed just after SourceN:)");
+ }
+
+ $sourceno = undef;
+ $source = undef;
+ }
+ }
+ close(F);
+} # }}}
next_spec(shift);
-parse_defines($spec);
-print_md5($spec);
+preparse_spec($spec);
+add_md5_to_print($spec);
+cont( \@spec, { "nil" => "" } );
exit(0);
+
+# vim: ts=4:sw=4:fdm=marker
================================================================
---- CVS-web:
http://cvs.pld-linux.org/admin/distfiles/specparser.pl?r1=1.13&r2=1.14&f=u
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