absyntax_utils/get_datatype_info.hh
author Mario de Sousa <msousa@fe.up.pt>
Sun, 07 Oct 2012 09:33:42 +0100
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Delete unused variables.
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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) 2003-2012  Mario de Sousa (msousa@fe.up.pt)
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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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/* Determine the characteristics of a specific data type
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 *  e.g., is it an enumeration, is it an array, is it ANY_INT, etc...
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 *
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 * The methods of this class may be passed either:
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 *  - a data type declaration symbol_c, 
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 *   OR
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 *  - the name of a data type (identifier_c)
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 *    In this case, we shall first serach for the basetype declaration using search_base_type_c, and then 
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 *    run the normal process.
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 */
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#include "absyntax_utils.hh"
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#include "../main.hh" // required for ERROR() and ERROR_MSG() macros.
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class get_datatype_info_c { 
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  private: // this is a purely static class. No need for constructors!
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     get_datatype_info_c(void) {};
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    ~get_datatype_info_c(void) {};
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  public:
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    static bool is_ANY_REAL_literal(symbol_c *type_symbol); /* Can't we do away with this?? */
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    static bool is_ANY_INT_literal (symbol_c *type_symbol); /* Can't we do away with this?? */
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    static bool is_sfc_initstep                    (symbol_c *type_symbol);
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    static bool is_sfc_step                        (symbol_c *type_symbol);
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    static bool is_function_block                  (symbol_c *type_symbol);
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    static bool is_subrange                        (symbol_c *type_symbol);
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    static bool is_enumerated                      (symbol_c *type_symbol);
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    static bool is_array                           (symbol_c *type_symbol);
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    static bool is_structure                       (symbol_c *type_symbol);
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    static bool is_ANY_ELEMENTARY                  (symbol_c *type_symbol);
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    static bool is_ANY_SAFEELEMENTARY              (symbol_c *type_symbol);
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    static bool is_ANY_ELEMENTARY_compatible       (symbol_c *type_symbol);
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    static bool is_ANY_MAGNITUDE                   (symbol_c *type_symbol);
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    static bool is_ANY_SAFEMAGNITUDE               (symbol_c *type_symbol);
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    static bool is_ANY_MAGNITUDE_compatible        (symbol_c *type_symbol);
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    static bool is_ANY_signed_MAGNITUDE            (symbol_c *type_symbol);
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    static bool is_ANY_signed_SAFEMAGNITUDE        (symbol_c *type_symbol);
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    static bool is_ANY_signed_MAGNITUDE_compatible (symbol_c *type_symbol);
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    static bool is_ANY_NUM                         (symbol_c *type_symbol);
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    static bool is_ANY_SAFENUM                     (symbol_c *type_symbol);
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    static bool is_ANY_NUM_compatible              (symbol_c *type_symbol);
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    static bool is_ANY_signed_NUM                  (symbol_c *type_symbol);
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    static bool is_ANY_signed_SAFENUM              (symbol_c *type_symbol);
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    static bool is_ANY_signed_NUM_compatible       (symbol_c *type_symbol);
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    static bool is_ANY_INT                         (symbol_c *type_symbol);
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    static bool is_ANY_SAFEINT                     (symbol_c *type_symbol);
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    static bool is_ANY_INT_compatible              (symbol_c *type_symbol);
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    static bool is_ANY_signed_INT                  (symbol_c *type_symbol);
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    static bool is_ANY_signed_SAFEINT              (symbol_c *type_symbol);
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    static bool is_ANY_signed_INT_compatible       (symbol_c *type_symbol);
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    static bool is_ANY_unsigned_INT                (symbol_c *type_symbol);
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    static bool is_ANY_unsigned_SAFEINT            (symbol_c *type_symbol);
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    static bool is_ANY_unsigned_INT_compatible     (symbol_c *type_symbol);
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    static bool is_ANY_REAL                        (symbol_c *type_symbol);
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    static bool is_ANY_SAFEREAL                    (symbol_c *type_symbol);
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    static bool is_ANY_REAL_compatible             (symbol_c *type_symbol);
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    static bool is_ANY_nBIT                        (symbol_c *type_symbol);
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    static bool is_ANY_SAFEnBIT                    (symbol_c *type_symbol);
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    static bool is_ANY_nBIT_compatible             (symbol_c *type_symbol);
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    static bool is_BOOL                            (symbol_c *type_symbol);
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    static bool is_SAFEBOOL                        (symbol_c *type_symbol);
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    static bool is_BOOL_compatible                 (symbol_c *type_symbol);
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    static bool is_ANY_BIT                         (symbol_c *type_symbol);
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    static bool is_ANY_SAFEBIT                     (symbol_c *type_symbol);
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    static bool is_ANY_BIT_compatible              (symbol_c *type_symbol);
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    static bool is_ANY_DATE                        (symbol_c *type_symbol);
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    static bool is_ANY_SAFEDATE                    (symbol_c *type_symbol);
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    static bool is_ANY_DATE_compatible             (symbol_c *type_symbol);
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    static bool is_TIME                            (symbol_c *type_symbol);
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    static bool is_SAFETIME                        (symbol_c *type_symbol);
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    static bool is_TIME_compatible                 (symbol_c *type_symbol);
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    static bool is_ANY_STRING                      (symbol_c *type_symbol);
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    static bool is_ANY_SAFESTRING                  (symbol_c *type_symbol);
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    static bool is_ANY_STRING_compatible           (symbol_c *type_symbol);
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};
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