46 

    47 

    48 /* A small helper class, to transform elementary data type to string.

    49  * this allows us to generate more relevant error messages...

    50  */

    51 

    52 class elementary_type_c: public null_visitor_c {

    53   elementary_type_c(void) {};

    54   ~elementary_type_c(void) {};

    55   

    56   private:

    57     /* singleton class! */

    58     static elementary_type_c *singleton;

    59     

    60   public:

    61     static const char * to_string(symbol_c *symbol) {

    62       if (NULL == singleton)    singleton = new elementary_type_c;

    63       if (NULL == singleton)    ERROR;

    64       const char *res           = (const char *)symbol->accept(*singleton);

    65       if (NULL == res)          ERROR;

    66       return res;

    67     }

    68     

    69     /***********************************/

    70     /* B 1.3.1 - Elementary Data Types */

    71     /***********************************/

    72     void *visit(time_type_name_c *symbol)        {return (void *)"TIME";        };

    73     void *visit(bool_type_name_c *symbol)        {return (void *)"BOOL";        };

    74     void *visit(sint_type_name_c *symbol)        {return (void *)"SINT";        };

    75     void *visit(int_type_name_c *symbol)         {return (void *)"INT";         };

    76     void *visit(dint_type_name_c *symbol)        {return (void *)"DINT";        };

    77     void *visit(lint_type_name_c *symbol)        {return (void *)"LINT";        };

    78     void *visit(usint_type_name_c *symbol)       {return (void *)"USINT";       };

    79     void *visit(uint_type_name_c *symbol)        {return (void *)"UINT";        };

    80     void *visit(udint_type_name_c *symbol)       {return (void *)"UDINT";       };

    81     void *visit(ulint_type_name_c *symbol)       {return (void *)"ULINT";       };

    82     void *visit(real_type_name_c *symbol)        {return (void *)"REAL";        };

    83     void *visit(lreal_type_name_c *symbol)       {return (void *)"LREAL";       };

    84     void *visit(date_type_name_c *symbol)        {return (void *)"DATE";        };

    85     void *visit(tod_type_name_c *symbol)         {return (void *)"TOD";         };

    86     void *visit(dt_type_name_c *symbol)          {return (void *)"DT";          };

    87     void *visit(byte_type_name_c *symbol)        {return (void *)"BYTE";        };

    88     void *visit(word_type_name_c *symbol)        {return (void *)"WORD";        };

    89     void *visit(lword_type_name_c *symbol)       {return (void *)"LWORD";       };

    90     void *visit(dword_type_name_c *symbol)       {return (void *)"DWORD";       };

    91     void *visit(string_type_name_c *symbol)      {return (void *)"STRING";      };

    92     void *visit(wstring_type_name_c *symbol)     {return (void *)"WSTRING";     };

    93     

    94     void *visit(safetime_type_name_c *symbol)    {return (void *)"SAFETIME";    };

    95     void *visit(safebool_type_name_c *symbol)    {return (void *)"SAFEBOOL";    };

    96     void *visit(safesint_type_name_c *symbol)    {return (void *)"SAFESINT";    };

    97     void *visit(safeint_type_name_c *symbol)     {return (void *)"SAFEINT";     };

    98     void *visit(safedint_type_name_c *symbol)    {return (void *)"SAFEDINT";    };

    99     void *visit(safelint_type_name_c *symbol)    {return (void *)"SAFELINT";    };

   100     void *visit(safeusint_type_name_c *symbol)   {return (void *)"SAFEUSINT";   };

   101     void *visit(safeuint_type_name_c *symbol)    {return (void *)"SAFEUINT";    };

   102     void *visit(safeudint_type_name_c *symbol)   {return (void *)"SAFEUDINT";   };

   103     void *visit(safeulint_type_name_c *symbol)   {return (void *)"SAFEULINT";   };

   104     void *visit(safereal_type_name_c *symbol)    {return (void *)"SAFEREAL";    };

   105     void *visit(safelreal_type_name_c *symbol)   {return (void *)"SAFELREAL";   };

   106     void *visit(safedate_type_name_c *symbol)    {return (void *)"SAFEDATE";    };

   107     void *visit(safetod_type_name_c *symbol)     {return (void *)"SAFETOD";     };

   108     void *visit(safedt_type_name_c *symbol)      {return (void *)"SAFEDT";      };

   109     void *visit(safebyte_type_name_c *symbol)    {return (void *)"SAFEBYTE";    };

   110     void *visit(safeword_type_name_c *symbol)    {return (void *)"SAFEWORD";    };

   111     void *visit(safelword_type_name_c *symbol)   {return (void *)"SAFELWORD";   };

   112     void *visit(safedword_type_name_c *symbol)   {return (void *)"SAFEDWORD";   };

   113     void *visit(safestring_type_name_c *symbol)  {return (void *)"SAFESTRING";  };

   114     void *visit(safewstring_type_name_c *symbol) {return (void *)"SAFEWSTRING"; };

   115 };

   116 

   117 

   118 elementary_type_c *elementary_type_c::singleton = NULL;