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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 utf8;
use IO::Handle;
require Config;
require Cwd;
require File::Path;
########################################################################
#
# Load the foundations of polymake/perl language extension.
#
use Polymake::Namespaces;
package Polymake::RefHash;
use Polymake::Ext;
package Polymake;
use Polymake::Ext;
*UNIVERSAL::can=\&Polymake::can;
########################################################################
#
# Import fast JSON conversion functions directly
#
require JSON;
*encode_json = \&JSON::XS::encode_json;
*write_json = \&JSON::XS::write_json;
*decode_json = \&JSON::XS::decode_json;
########################################################################
#
# Global variables
#
declare $Version = "4.14";
declare $VersionNumber = eval "v$Version"; # for string comparisons with vM.N literals
declare ($Scope, # Scope object for the current cycle
$PrivateDir, # where the user's private settings, wrappers, etc. dwell
$Settings, # user's preferences, custom variables, auto-configuration
);
declare $Shell = new NoShell; # alternatively: Shell object listening to the console or some pipe
# resources for third-party programs launched by polymake
declare $Resources = $ENV{POLYMAKE_RESOURCE_DIR} // "$InstallTop/resources";
declare $mainURL = "https://polymake.org";
########################################################################
#
# Load the core modules in proper order.
#
require 'Polymake/utils.pl';
require Polymake::Interrupts;
require Polymake::Scope;
require Polymake::Pipe;
require Polymake::Tempfile;
require Polymake::TempTextFile;
require Polymake::Tempdir;
require Polymake::TempChangeDir;
require Polymake::OverwriteFile;
require Polymake::Overload;
require Polymake::Schema;
require Polymake::Core::UserSettings;
require Polymake::Core::Preference;
require Polymake::Core::Help;
require Polymake::User;
require Polymake::Core::PropertyType;
require Polymake::Core::Property;
require Polymake::Core::Permutation;
require Polymake::Core::PropertyValue;
require Polymake::Core::Rule;
require Polymake::Core::BigObjectType;
require Polymake::Core::Scheduler;
require Polymake::Core::Serializer;
require Polymake::Core::BigObject;
require Polymake::Core::Datafile;
require Polymake::Core::Application;
require Polymake::Core::Extension;
require Polymake::Core::CPlusPlus;
require Polymake::Core::StoredScript;
require Polymake::Core::RuleFilter;
package Polymake::Core;
declare $Prefs = new Preference;
declare $enable_plausibility_checks = true;
my @settings_callbacks;
sub add_settings_callback {
push @settings_callbacks, @_;
}
########################################################################
#
# The banner resides here to be available for the callable library and
# the polymake shell.
#
package Polymake::Main;
# is set to true when a user script is executed directly from the command line, without interactive shell
declare $standalone_script = false;
sub greeting {
my $verbose = $_[0] // 2;
my $full_version="$Version";
if ($DeveloperMode && -d "$InstallTop/.git") {
my $branch = `cd '$InstallTop'; git rev-parse --abbrev-ref HEAD`;
chomp $branch;
$full_version .= ", branch $branch ";
my $upstream = `cd '$InstallTop'; git rev-parse --abbrev-ref --symbolic-full-name \@{u} 2>&1`;
chomp $upstream;
unless ($?) {
my ($ahead,$behind) = split '\t',`cd '$InstallTop'; git rev-list --left-right --count $branch...$upstream`;
chomp $ahead;
chomp $behind;
$full_version .= "[";
$full_version .= "$ahead ahead " if ($ahead > 0);
$full_version .= "$behind behind " if ($behind > 0);
$full_version .= "$upstream]";
}
}
my @messages = ("polymake version $full_version", <<'.' . $mainURL . "\n", <<'.');
Copyright (c) 1997-2024
Ewgenij Gawrilow, Michael Joswig, and the polymake team
Technische Universität Berlin, Germany
.
This is free software licensed under GPL; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
.
return join '', @messages[0 .. $verbose];
}
# initialize some modules in proper order
# "config path" =>
sub init {
$Settings = Core::UserSettings::init(@_);
$_->($Settings) for @settings_callbacks;
@settings_callbacks = ();
Core::Extension::init();
Core::CPlusPlus::init();
}
########################################################################
#
# Dummy object to fill the $Shell variable in non-interactive scenarios
#
package Polymake::NoShell;
sub new { bless \(my $dummy) }
sub interactive { 0 }
1
# Local Variables:
# cperl-indent-level:3
# indent-tabs-mode:nil
# End:
|
