Remove debugging messages, and code cleanup.
/*
* matiec - a compiler for the programming languages defined in IEC 61131-3
*
* Copyright (C) 2003-2011 Mario de Sousa (msousa@fe.up.pt)
* Copyright (C) 2007-2011 Laurent Bessard and Edouard Tisserant
*
* 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 <http://www.gnu.org/licenses/>.
*
*
* This code is made available on the understanding that it will not be
* used in safety-critical situations without a full and competent review.
*/
/*
* An IEC 61131-3 compiler.
*
* Based on the
* FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
*
*/
/* Returns the data type of an il_operand.
*
* Note that the il_operand may be a variable, in which case
* we return the type of the variable instance.
* The il_operand may also be a constant, in which case
* we return the data type of that constant.
*
* The variable instance may be a member of a structured variable,
* or an element in an array, or any combination of the two.
*
* The class constructor must be given the search scope
* (function, function block or program within which
* the possible il_operand variable instance was declared).
*/
#include "absyntax_utils.hh"
symbol_c *search_il_operand_type_c::get_type(symbol_c *il_operand) {
symbol_c *res;
/* We first assume that it is a constant... */
res = search_constant_type.get_type(il_operand);
if (res != NULL) return res;
/* Nope, now we assume it is a variable, and determine its type... */
res = search_varfb_instance_type.get_type(il_operand);
if (NULL != res) return res;
/* not found */
return NULL;
}