summaryrefslogtreecommitdiffstats
path: root/pdb/pdbgen.pl
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:13:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 03:13:10 +0000
commit3c57dd931145d43f2b0aef96c4d178135956bf91 (patch)
tree3de698981e9f0cc2c4f9569b19a5f3595e741f6b /pdb/pdbgen.pl
parentInitial commit. (diff)
downloadgimp-3c57dd931145d43f2b0aef96c4d178135956bf91.tar.xz
gimp-3c57dd931145d43f2b0aef96c4d178135956bf91.zip
Adding upstream version 2.10.36.upstream/2.10.36
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'pdb/pdbgen.pl')
-rwxr-xr-xpdb/pdbgen.pl240
1 files changed, 240 insertions, 0 deletions
diff --git a/pdb/pdbgen.pl b/pdb/pdbgen.pl
new file mode 100755
index 0000000..30288d4
--- /dev/null
+++ b/pdb/pdbgen.pl
@@ -0,0 +1,240 @@
+#!/usr/bin/perl -w
+
+# GIMP - The GNU Image Manipulation Program
+# Copyright (C) 1998-2003 Manish Singh <yosh@gimp.org>
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+require 5.004;
+
+BEGIN {
+ $srcdir = $ENV{srcdir} || '.';
+ $destdir = $ENV{destdir} || '.';
+ $builddir = $ENV{builddir} || '.';
+}
+
+use lib $srcdir;
+
+BEGIN {
+ # Some important stuff
+ require 'pdb.pl';
+ require 'enums.pl';
+ require 'util.pl';
+
+ # What to do?
+ require 'groups.pl';
+
+ if ($ENV{PDBGEN_GROUPS}) {
+ @groups = split(/:/, $ENV{PDBGEN_GROUPS});
+ }
+}
+
+# Stifle "used only once" warnings
+$destdir = $destdir;
+$builddir = $builddir;
+%pdb = ();
+
+# The actual parser (in a string so we can eval it in another namespace)
+$evalcode = <<'CODE';
+{
+ my $file = $main::file;
+ my $srcdir = $main::srcdir;
+
+ my $copyvars = sub {
+ my $dest = shift;
+
+ foreach (@_) {
+ if (eval "defined scalar $_") {
+ (my $var = $_) =~ s/^(\W)//;
+ for ($1) {
+ /\$/ && do { $$dest->{$var} = $$var ; last; };
+ /\@/ && do { $$dest->{$var} = [ @$var ]; last; };
+ /\%/ && do { $$dest->{$var} = { %$var }; last; };
+ }
+ }
+ }
+ };
+
+ # Variables to evaluate and insert into the PDB structure
+ my @procvars = qw($name $group $blurb $help $author $copyright $date $since
+ $deprecated @inargs @outargs %invoke $canonical_name);
+
+ # These are attached to the group structure
+ my @groupvars = qw($desc $doc_title $doc_short_desc $doc_long_desc
+ @headers %extra);
+
+ # Hook some variables into the top-level namespace
+ *pdb = \%main::pdb;
+ *gen = \%main::gen;
+ *grp = \%main::grp;
+
+ # Hide our globals
+ my $safeeval = sub { local(%pdb, %gen, %grp); eval $_[0]; die $@ if $@ };
+
+ # Some standard shortcuts used by all def files
+ &$safeeval("do '$main::srcdir/stddefs.pdb'");
+
+ # Group properties
+ foreach (@groupvars) { eval "undef $_" }
+
+ # Load the file in and get the group info
+ &$safeeval("require '$main::srcdir/groups/$file.pdb'");
+
+ # Save these for later
+ &$copyvars(\$grp{$file}, @groupvars);
+
+ foreach $proc (@procs) {
+ # Reset all our PDB vars so previous defs don't interfere
+ foreach (@procvars) { eval "undef $_" }
+
+ # Get the info
+ &$safeeval("&$proc");
+
+ # Some derived fields
+ $name = $proc;
+ $group = $file;
+
+ ($canonical_name = $name) =~ s/_/-/g;
+
+ # Load the info into %pdb, making copies of the data instead of refs
+ my $entry = {};
+ &$copyvars(\$entry, @procvars);
+ $pdb{$proc} = $entry;
+ }
+
+ # Find out what to do with these entries
+ while (my ($dest, $procs) = each %exports) { push @{$gen{$dest}}, @$procs }
+}
+CODE
+
+# Slurp in the PDB defs
+foreach $file (@groups) {
+ print "Processing $srcdir/groups/$file.pdb...\n";
+ eval "package Gimp::CodeGen::Safe::$file; $evalcode;";
+ die $@ if $@;
+}
+
+# Squash whitespace into just single spaces between words.
+# Single new lines are considered as normal spaces, but n > 1 newlines are considered (n - 1) newlines.
+# The slightly complicated suite of regexp is so that \n\s+\n is still considered a double newline.
+sub trimspace { for (${$_[0]}) { s/(\S)[\ \t\r\f]*\n[\ \t\r\f]*(\S)/$1 $2/g; s/[\ \t\r\f]+/ /gs;
+ s/\n(([\ \t\r\f]*\n)+)/$1/g; s/[\ \t\r\f]*\n[\ \t\r\f]/\n/g ; s/^\s+//; s/\s+$//; } }
+
+# Trim spaces and escape quotes C-style
+sub nicetext {
+ my $val = shift;
+ if (defined $$val) {
+ &trimspace($val);
+ $$val =~ s/"/\\"/g;
+ }
+}
+
+# Do the same for all the strings in the args, plus expand constraint text
+sub niceargs {
+ my $args = shift;
+ foreach $arg (@$args) {
+ foreach (keys %$arg) {
+ &nicetext(\$arg->{$_});
+ }
+ }
+}
+
+# Trim spaces from all the elements in a list
+sub nicelist {
+ my $list = shift;
+ foreach (@$list) { &trimspace(\$_) }
+}
+
+# Add args for array lengths
+
+sub arrayexpand {
+ my $args = shift;
+ my $newargs;
+
+ foreach (@$$args) {
+ if (exists $_->{array}) {
+ my $arg = $_->{array};
+
+ $arg->{name} = 'num_' . $_->{name} unless exists $arg->{name};
+
+ # We can't have negative lengths, but let them set a min number
+ unless (exists $arg->{type}) {
+ $arg->{type} = '0 <= int32';
+ }
+ elsif ($arg->{type} !~ /^\s*\d+\s*</) {
+ $arg->{type} = '0 <= ' . $arg->{type};
+ }
+
+ $arg->{void_ret} = 1 if exists $_->{void_ret};
+
+ $arg->{num} = 1;
+
+ push @$newargs, $arg;
+ }
+
+ push @$newargs, $_;
+ }
+
+ $$args = $newargs;
+}
+
+sub canonicalargs {
+ my $args = shift;
+ foreach $arg (@$args) {
+ ($arg->{canonical_name} = $arg->{name}) =~ s/_/-/g;
+ }
+}
+
+# Post-process each pdb entry
+while ((undef, $entry) = each %pdb) {
+ &nicetext(\$entry->{blurb});
+ &nicetext(\$entry->{help});
+ &nicetext(\$entry->{author});
+ &nicetext(\$entry->{copyright});
+ &nicetext(\$entry->{date});
+
+ foreach (qw(in out)) {
+ my $args = $_ . 'args';
+ if (exists $entry->{$args}) {
+ &arrayexpand(\$entry->{$args});
+ &niceargs($entry->{$args});
+ &canonicalargs($entry->{$args});
+ }
+ }
+
+ &nicelist($entry->{invoke}{headers}) if exists $entry->{invoke}{headers};
+ &nicelist($entry->{globals}) if exists $entry->{globals};
+
+ $entry->{invoke}{success} = 'TRUE' unless exists $entry->{invoke}{success};
+}
+
+# Generate code from the modules
+my $didstuff;
+while (@ARGV) {
+ my $type = shift @ARGV;
+
+ print "\nProcessing $type...\n";
+
+ if (exists $gen{$type}) {
+ require "$type.pl";
+ &{"Gimp::CodeGen::${type}::generate"}($gen{$type});
+ print "done.\n";
+ $didstuff = 1;
+ }
+ else {
+ print "nothing to do.\n";
+ }
+}
+
+print "\nNothing done at all.\n" unless $didstuff;