stage3/array_range_check.hh
author Manuele Conti <conti.ma@alice.it>
Thu, 16 Aug 2012 22:44:38 +0200
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child 664 199a9f84e64c
permissions -rw-r--r--
Fix Segmentation Fault FB var declaration in a single list.
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/*
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 *  matiec - a compiler for the programming languages defined in IEC 61131-3
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 *
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 *  Copyright (C) 2009-2012  Mario de Sousa (msousa@fe.up.pt)
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 *  Copyright (C) 2012       Manuele Conti  (conti.ma@alice.it)
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 *
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 *
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 *  This program is free software: you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation, either version 3 of the License, or
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 *  (at your option) any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 *
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 *
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 * This code is made available on the understanding that it will not be
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 * used in safety-critical situations without a full and competent review.
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 */
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/*
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 * An IEC 61131-3 compiler.
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 *
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 * Based on the
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 * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
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 *
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 */
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// #include <vector>
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#include "../absyntax_utils/absyntax_utils.hh"
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// #include "datatype_functions.hh"
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class array_range_check_c: public iterator_visitor_c {
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  private:
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    search_varfb_instance_type_c *search_varfb_instance_type;
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    // search_var_instance_decl_c *search_var_instance_decl;
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    search_base_type_c search_base_type;
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    int error_count;
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    int current_display_error_level;
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    void check_dimension_count(array_variable_c *symbol);
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    void check_bounds(array_variable_c *symbol);
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  public:
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    array_range_check_c(symbol_c *ignore);
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    virtual ~array_range_check_c(void);
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    int get_error_count();
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    /*************************/
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    /* B.1 - Common elements */
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    /*************************/
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    /**********************/
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    /* B.1.3 - Data types */
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    /**********************/
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    /********************************/
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    /* B 1.3.3 - Derived data types */
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    /********************************/
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    /* NOTE: we may later want to move the following 2 methods to a visitor that will focus on analysing the data type declarations! */
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    void *visit(subrange_c *symbol);
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    void *visit(array_initial_elements_c *symbol);
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    /*********************/
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    /* B 1.4 - Variables */
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    /*********************/
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    /*************************************/
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    /* B 1.4.2 - Multi-element variables */
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    /*************************************/
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    void *visit(array_variable_c *symbol);
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    /**************************************/
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    /* B 1.5 - Program organisation units */
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    /**************************************/
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    /***********************/
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    /* B 1.5.1 - Functions */
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    /***********************/
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    void *visit(function_declaration_c *symbol);
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    /*****************************/
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    /* B 1.5.2 - Function blocks */
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    /*****************************/
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    void *visit(function_block_declaration_c *symbol);
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    /**********************/
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    /* B 1.5.3 - Programs */
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    /**********************/
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    void *visit(program_declaration_c *symbol);
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}; /* array_range_check_c */
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