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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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/*

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 * create_enumtype_conversion_functions_c generates ST conversion functions source code for

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 * enumerate user defined data types.

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 *

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 */

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#ifndef _CREATE_ENUMTYPE_CONVERSION_FUNCTIONS_HH

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#define _CREATE_ENUMTYPE_CONVERSION_FUNCTIONS_HH

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#include <string>

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#include <list>

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#include "../absyntax_utils/absyntax_utils.hh"

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class create_enumtype_conversion_functions_c: public iterator_visitor_c {

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  private:

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    static create_enumtype_conversion_functions_c *singleton;

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  public:

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    explicit create_enumtype_conversion_functions_c(symbol_c *ignore);

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    virtual ~create_enumtype_conversion_functions_c(void);

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    static std::string &get_declaration(symbol_c *symbol);

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    void *visit(                 identifier_c *symbol);

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    void *visit(         poutype_identifier_c *symbol);

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    void *visit(derived_datatype_identifier_c *symbol);

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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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    void *visit(enumerated_type_declaration_c *symbol);

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    void *visit(enumerated_value_list_c *symbol);

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  private:

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    std::string text;

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    std::string currentToken;

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    std::list <std::string> currentTokenList;

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    std::string getIntegerName(bool isSigned, size_t size);

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    void printStringToEnum  (std::string &enumerateName, std::list <std::string> &enumerateValues);

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    void printEnumToString  (std::string &enumerateName, std::list <std::string> &enumerateValues);

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    void printIntegerToEnum (std::string &enumerateName, std::list <std::string> &enumerateValues, bool isSigned, size_t size);

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    void printEnumToInteger (std::string &enumerateName, std::list <std::string> &enumerateValues, bool isSigned, size_t size);

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};

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#endif /* _CREATE_ENUMTYPE_CONVERSION_FUNCTIONS_HH */