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# Copyright (c) 1997-2024
# Ewgenij Gawrilow, Michael Joswig, and the polymake team
# Technische Universität Berlin, Germany
# https://polymake.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 2, or (at your option) any
# later version: http://www.gnu.org/licenses/gpl.txt.
#
# 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.
#-------------------------------------------------------------------------------
use strict;
use namespaces;
use warnings qw(FATAL void syntax misc);
package Polymake::Core::CustomizetoJSON;
sub convert_file {
my ($text, $init_script) = @_;
pos($text) = 0;
my ($pkg, $app, %result);
my %unrecognized;
while (pos($text) < length($text)) {
# skip empty or comment lines, as well as the version number
next if $text =~ m{\G \s* (?> (?: \# | \$version\s*=) .* )? \n}xmgc;
if ($text =~ m{\G \s* package \s+ ($qual_id_re) \s*; }xomgc) {
$pkg = $1;
undef $app;
next;
}
if ($text =~ m{\G \s* application \s+ ($id_re) \s*; }xomgc) {
$app = $1;
$pkg = "Polymake::$app";
next;
}
if (defined($app)) {
if ($text =~ m{\G \s* prefer \s+ (.+)(?<=\S) \s*; }xomgc) {
my $expr = eval "$1";
if (!$@ && defined($app)) {
push @{$result{Polymake::Core::Preference::settings_key}{$app}}, $expr;
}
next;
}
} else {
if ($text =~ m{\G \s* (?: ARCH\s*\(\s* $quoted_re \s*\)\s+ and \s+ )?
(?'var' $var_sigil_re $qual_id_re) \s*=\s*
(?('scalar') (?'value' .+)(?<=\S)
| (?=\() (?'value' $confined_multiline_re)) \s*; }xomgc) {
my ($arch, $var, $value) = @+{qw(quoted var value)};
my ($key, $next_level);
if ($var =~ /::/) {
$key = substr($var, 1);
} elsif ($pkg eq "Polymake::User" && $var eq '%disabled_extensions') {
$key = "_extensions::disabled";
} elsif ($pkg eq "Polymake::Core::CPlusPlus") {
$key = "_C++::" . substr($var, 1);
} elsif ($var eq '%configured' && $pkg =~ /^Polymake::(\w+)$/) {
$key = "_applications::configured";
$next_level = $1;
} else {
$key = $pkg . "::" . substr($var, 1);
}
if (defined($arch)) {
$key .= "#$arch";
}
if (substr($var, 0, 1) eq '$') {
$value = eval $value;
} elsif (substr($var, 0, 1) eq '@') {
my @list = eval $value;
$value = \@list;
} else {
my %hash = eval $value;
$value = \%hash;
}
unless ($@) {
if (defined($next_level)) {
$result{$key}{$next_level} = $value;
} else {
$result{$key} = $value;
}
}
next;
}
}
$text =~ m{\G .* \n}xmgc;
if (defined($init_script)) {
my $unrecognized = $&;
if ($unrecognized =~ /^[ \t]*[^\s\#]/m) {
$unrecognized{$app // ""} .= $unrecognized;
}
}
}
if (keys %unrecognized) {
open my $F, ">", $init_script or die "can't write to $init_script: $!\n";
print $F <<".";
print STDERR <<'===== cut out up to this line ====='; return;
***** ATTENTION *****
Some start-up commands were rescued from your old preferences file.
They have been stored in $init_script, but not executed yet.
Please revise them and/or disable the script as described in the preamble.
*********************
===== cut out up to this line =====
# This script will be executed at the beginning of every polymake session.
# To run something else instead, set the custom variable:
# set_custom \$init_script="path/to/script.pl";
#
# To disable it altogether:
# reset_custom \$init_script;
#
# Rescued commands follow:
.
for $app (sort keys %unrecognized) {
if (length($app)) {
print $F "\nuse application '$app';\n";
}
print $F $unrecognized{$app};
}
close $F;
}
return \%result;
}
1
# Local Variables:
# cperl-indent-level:3
# indent-tabs-mode:nil
# End:
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