definition_item.cc

由matlab开发的hybrid系统的描述语言

/*
	HYSDEL
	Copyright (C) 1999-2002  Fabio D. Torrisi

	This file is part of HYSDEL.
    
	HYSDEL 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 of the License, or (at your option) any later version.

	HYSDEL 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 library; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

	CONTACT INFORMATION
	===================
	Fabio D. Torrisi
	ETH Zentrum
	Physikstrasse. 3 ETL,
	CH-8032 Zurich
	Switzerland
	mailto:[e-mail] (preferred)
*/

#include "Definition_item.h"
#include "Var_symbol.h"

Definition_item::Definition_item(const Var_symbol * var,
	const Globals * glob) : Item(glob) {
		lhs_var = var;
		var->set_defined(this);
		translate_MLD_enabled = 1;
}

Definition_item::~Definition_item() {
	delete lhs_var;
	this->Item::~Item();
}

string Definition_item::to_string() const {
	string res;

	res += Item::to_string();
	res += "Definition_item for lhs_var ";
	res += lhs_var->to_matlab();
	res += "\n";
	return res;
}


bool Definition_item::is_required_mme(const Var_symbol * s) const {
	list < const Var_symbol * > required;
	required = get_required_mme();
	return is_required(required, s);
}