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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::CPlusPlus::PrivateWrappers;
use Polymake::Struct (
[ '@ISA' => 'Extension' ],
[ new => '$' ],
[ '$URI' => '"private:"' ],
'$update_me',
);
# increase this every time we want to enforce automatic deletion of private wrappers
my $generation=1;
sub init {
my $self;
my $id = id();
if (defined(my $dir = $private_wrappers{$id})) {
if (-d ($dir = "$PrivateDir/$dir")) {
$self = new(@_, $dir);
if ($self->version < $generation) {
warn_print( "Removing outdated private wrappers in $dir" );
File::Path::remove_tree($dir);
delete $private_wrappers{$id};
return;
}
$self->set_build_dir;
my ($ext, @prereq);
foreach my $prereq (@{$self->requires}) {
if (defined ($ext=$registered_by_URI{$prereq})
and $ext->is_active) {
push @prereq, $ext;
} else {
ensure_update($self);
}
}
@{$self->requires}=uniq( map { ($_, @{$_->requires}) } @prereq );
if ($self->update_me) {
create_build_trees($self);
}
} else {
delete $private_wrappers{$id};
}
}
$self;
}
#######################################################################################
sub create {
my ($self, $dir);
if ($PrivateDir) {
if (-d "$PrivateDir/wrappers") {
# remove pre-2.12.4 wrappers
File::Path::remove_tree("$PrivateDir/wrappers");
foreach (my ($key, $dir)=each %private_wrappers) {
-d "$PrivateDir/$dir" || delete $private_wrappers{$key};
}
}
my $seq;
for ($seq=0; -d ($dir="$PrivateDir/wrappers.$seq"); ++$seq) {
if (string_list_index([ values %private_wrappers ], "wrappers.$seq") < 0) {
# stray orphaned directory
File::Path::remove_tree($dir);
last;
}
}
$private_wrappers{id()} = "wrappers.$seq";
File::Path::make_path($dir);
} else {
$dir = new Tempdir("till_exit");
}
File::Path::make_path("$dir/apps");
$self=new(@_, $dir);
$self->set_build_dir;
create_build_trees($self);
ensure_update($self);
$self
}
#######################################################################################
sub ensure_prerequisites {
my ($self, $extensions)=@_;
my $try_list=$self;
PropertyParamedType::set_extension($try_list, $extensions);
if ($try_list != $self) {
# $try_list->[0] == $self, cf. PropertyParamedType::set_extension.
@{$self->requires}=uniq( @{$self->requires}, map { ($_, @{$_->requires}) } splice(@$try_list, 1) );
ensure_update($self);
}
}
#######################################################################################
sub strip_build_dir {
$_[0] =~ s{/build(?:\.[^/]+)? \K /\w+$}{}xr;
}
sub id {
strip_build_dir($InstallArch);
}
#######################################################################################
sub create_build_trees {
my ($self)=@_;
my $build_root= strip_build_dir($self->build_dir);
-d $build_root or File::Path::make_path($build_root);
require Polymake::Configure;
my $conf_file="$build_root/config.ninja";
my ($F, $F_k)=new OverwriteFile($conf_file);
print $F "root=$InstallTop\n",
"extroot=", $self->dir, "\n",
"RequireExtensions=", $self->list_prerequisite_extensions, "\n",
"CPPERLextraFlags= --ext-config \${config.file}\n";
close $F;
undef $F_k;
Configure::load_config_vars();
Configure::create_extension_build_trees($self, $build_root);
}
#######################################################################################
sub update_metafile {
my ($self)=@_;
my ($F, $F_k)=new OverwriteFile($self->dir."/polymake.ext");
print $F <<".";
# This pseudo-extension collects automatically generated C++/perl glue code
# used for computing complex expressions occurred in interactive sessions and user scripts.
# This extension is architecture-specific, it is linked to polymake clients installed at
# $InstallArch
# It can safely be deleted at any time except during running polymake session.
URI private:#$generation
.
if (@{$self->requires}) {
print $F "\nREQUIRE\n", map { ($_->URI, "\n") } @{$self->requires};
}
close $F;
}
#######################################################################################
sub ensure_update {
my ($self)=@_;
$self->update_me ||= do {
if ($PrivateDir) {
add AtEnd("Private:C++", sub { update_metafile($self); create_build_trees($self); });
}
1
}
}
1
# Local Variables:
# cperl-indent-level:3
# indent-tabs-mode:nil
# End:
|
