transform CASE into if()..else if().. -> fixes 2 bugs (1)case within case statements, and (2)repeated elements in case options
/*
* matiec - a compiler for the programming languages defined in IEC 61131-3
*
* Copyright (C) 2009-2012 Mario de Sousa (msousa@fe.up.pt)
* Copyright (C) 2012 Manuele Conti (conti.ma@alice.it)
*
*
* 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)
*
*/
// #include <vector>
#include "../absyntax_utils/absyntax_utils.hh"
// #include "datatype_functions.hh"
class array_range_check_c: public iterator_visitor_c {
private:
search_varfb_instance_type_c *search_varfb_instance_type;
int error_count;
int current_display_error_level;
void check_dimension_count(array_variable_c *symbol);
void check_bounds(array_variable_c *symbol);
public:
array_range_check_c(symbol_c *ignore);
virtual ~array_range_check_c(void);
int get_error_count();
/*************************/
/* B.1 - Common elements */
/*************************/
/**********************/
/* B.1.3 - Data types */
/**********************/
/********************************/
/* B 1.3.3 - Derived data types */
/********************************/
/* NOTE: we may later want to move the following 2 methods to a visitor that will focus on analysing the data type declarations! */
void *visit(subrange_c *symbol);
void *visit(array_initial_elements_c *symbol);
/*********************/
/* B 1.4 - Variables */
/*********************/
/*************************************/
/* B 1.4.2 - Multi-element variables */
/*************************************/
void *visit(array_variable_c *symbol);
/**************************************/
/* B 1.5 - Program organisation units */
/**************************************/
/***********************/
/* B 1.5.1 - Functions */
/***********************/
void *visit(function_declaration_c *symbol);
/*****************************/
/* B 1.5.2 - Function blocks */
/*****************************/
void *visit(function_block_declaration_c *symbol);
/**********************/
/* B 1.5.3 - Programs */
/**********************/
void *visit(program_declaration_c *symbol);
}; /* array_range_check_c */