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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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 *  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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#include "datatype_functions.hh"

    26

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

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elementary_type_c *elementary_type_c::singleton = NULL;

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const char *elementary_type_c::to_string(symbol_c *symbol) {

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

    37

  if (NULL == singleton)    ERROR;

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

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  if (NULL == res) {

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	  int i = 1;

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  }

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  return res;

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}

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/*

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 * 2.5.1.5.6 Functions of time data types

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 * Table 30 - page 64

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 */

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const struct widen_entry widen_ADD_table[] = {

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    { &search_constant_type_c::time_type_name,          &search_constant_type_c::time_type_name,            &search_constant_type_c::time_type_name     },

    56

    { &search_constant_type_c::tod_type_name,           &search_constant_type_c::tod_type_name,             &search_constant_type_c::tod_type_name      },

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    { &search_constant_type_c::dt_type_name,            &search_constant_type_c::dt_type_name,              &search_constant_type_c::dt_type_name       },

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    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safetime_type_name,        &search_constant_type_c::safetime_type_name },

    59

    { &search_constant_type_c::safetod_type_name,       &search_constant_type_c::safetod_type_name,         &search_constant_type_c::safetod_type_name  },

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    { &search_constant_type_c::safedt_type_name,        &search_constant_type_c::safedt_type_name,          &search_constant_type_c::safedt_type_name   },

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    { &search_constant_type_c::tod_type_name,           &search_constant_type_c::time_type_name,            &search_constant_type_c::tod_type_name      },

    62

    { &search_constant_type_c::safetod_type_name,       &search_constant_type_c::time_type_name,            &search_constant_type_c::tod_type_name      },

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    { &search_constant_type_c::tod_type_name,           &search_constant_type_c::safetime_type_name,        &search_constant_type_c::tod_type_name      },

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    { &search_constant_type_c::safetod_type_name,       &search_constant_type_c::safetime_type_name,        &search_constant_type_c::safetod_type_name  },

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    { &search_constant_type_c::dt_type_name,            &search_constant_type_c::time_type_name,            &search_constant_type_c::dt_type_name       },

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    { &search_constant_type_c::safedt_type_name,        &search_constant_type_c::time_type_name,            &search_constant_type_c::dt_type_name       },

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    { &search_constant_type_c::dt_type_name,            &search_constant_type_c::safetime_type_name,        &search_constant_type_c::dt_type_name       },

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    { &search_constant_type_c::safedt_type_name,        &search_constant_type_c::safetime_type_name,        &search_constant_type_c::safedt_type_name   },

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    { NULL, NULL, NULL },

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};

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const struct widen_entry widen_SUB_table[] = {

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	{ &search_constant_type_c::time_type_name,          &search_constant_type_c::time_type_name,            &search_constant_type_c::time_type_name     },

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	{ &search_constant_type_c::tod_type_name,           &search_constant_type_c::tod_type_name,             &search_constant_type_c::tod_type_name      },

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	{ &search_constant_type_c::dt_type_name,            &search_constant_type_c::dt_type_name,              &search_constant_type_c::dt_type_name       },

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	{ &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safetime_type_name,        &search_constant_type_c::safetime_type_name },

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	{ &search_constant_type_c::safetod_type_name,       &search_constant_type_c::safetod_type_name,         &search_constant_type_c::safetod_type_name  },

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	{ &search_constant_type_c::safedt_type_name,        &search_constant_type_c::safedt_type_name,          &search_constant_type_c::safedt_type_name   },

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	{ &search_constant_type_c::tod_type_name,           &search_constant_type_c::time_type_name,            &search_constant_type_c::tod_type_name      },

    82

    { &search_constant_type_c::safetod_type_name,       &search_constant_type_c::time_type_name,            &search_constant_type_c::tod_type_name      },

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    { &search_constant_type_c::tod_type_name,           &search_constant_type_c::safetime_type_name,        &search_constant_type_c::tod_type_name      },

    84

    { &search_constant_type_c::safetod_type_name,       &search_constant_type_c::safetime_type_name,        &search_constant_type_c::safetod_type_name  },

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    { &search_constant_type_c::dt_type_name,            &search_constant_type_c::time_type_name,            &search_constant_type_c::dt_type_name       },

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    { &search_constant_type_c::safedt_type_name,        &search_constant_type_c::time_type_name,            &search_constant_type_c::dt_type_name       },

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    { &search_constant_type_c::dt_type_name,            &search_constant_type_c::safetime_type_name,        &search_constant_type_c::dt_type_name       },

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    { &search_constant_type_c::safedt_type_name,        &search_constant_type_c::safetime_type_name,        &search_constant_type_c::safedt_type_name   },

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    { &search_constant_type_c::tod_type_name,           &search_constant_type_c::tod_type_name,             &search_constant_type_c::time_type_name     },

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    { &search_constant_type_c::safetod_type_name,       &search_constant_type_c::tod_type_name,             &search_constant_type_c::time_type_name     },

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    { &search_constant_type_c::tod_type_name,           &search_constant_type_c::safetod_type_name,         &search_constant_type_c::time_type_name     },

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    { &search_constant_type_c::safetod_type_name,       &search_constant_type_c::safetod_type_name,         &search_constant_type_c::safetime_type_name },

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    { &search_constant_type_c::date_type_name,          &search_constant_type_c::date_type_name,            &search_constant_type_c::time_type_name     },

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    { &search_constant_type_c::safedate_type_name,      &search_constant_type_c::date_type_name,            &search_constant_type_c::time_type_name     },

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    { &search_constant_type_c::date_type_name,          &search_constant_type_c::safedate_type_name,        &search_constant_type_c::time_type_name     },

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    { &search_constant_type_c::safedate_type_name,      &search_constant_type_c::safedate_type_name,        &search_constant_type_c::safetime_type_name },

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    { &search_constant_type_c::dt_type_name,            &search_constant_type_c::dt_type_name,              &search_constant_type_c::time_type_name     },

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    { &search_constant_type_c::safedt_type_name,        &search_constant_type_c::dt_type_name,              &search_constant_type_c::time_type_name     },

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    { &search_constant_type_c::dt_type_name,            &search_constant_type_c::safedt_type_name,          &search_constant_type_c::time_type_name     },

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    { &search_constant_type_c::safedt_type_name,        &search_constant_type_c::safedt_type_name,          &search_constant_type_c::safetime_type_name },

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    { NULL, NULL, NULL },

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};

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const struct widen_entry widen_MUL_table[] = {

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    { &search_constant_type_c::time_type_name,          &search_constant_type_c::lreal_type_name,           &search_constant_type_c::time_type_name     },

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    { &search_constant_type_c::time_type_name,          &search_constant_type_c::real_type_name,            &search_constant_type_c::time_type_name     },

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    { &search_constant_type_c::time_type_name,          &search_constant_type_c::dint_type_name,            &search_constant_type_c::time_type_name     },

   108

    { &search_constant_type_c::time_type_name,          &search_constant_type_c::int_type_name,             &search_constant_type_c::time_type_name     },

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    { &search_constant_type_c::time_type_name,          &search_constant_type_c::sint_type_name,            &search_constant_type_c::time_type_name     },

   110

    { &search_constant_type_c::time_type_name,          &search_constant_type_c::ulint_type_name,           &search_constant_type_c::time_type_name     },

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    { &search_constant_type_c::time_type_name,          &search_constant_type_c::udint_type_name,           &search_constant_type_c::time_type_name     },

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    { &search_constant_type_c::time_type_name,          &search_constant_type_c::uint_type_name,            &search_constant_type_c::time_type_name     },

   113

    { &search_constant_type_c::time_type_name,          &search_constant_type_c::usint_type_name,           &search_constant_type_c::time_type_name     },

   114

   115

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::lreal_type_name,           &search_constant_type_c::safetime_type_name },

   116

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::real_type_name,            &search_constant_type_c::safetime_type_name },

   117

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::dint_type_name,            &search_constant_type_c::safetime_type_name },

   118

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::int_type_name,             &search_constant_type_c::safetime_type_name },

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    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::sint_type_name,            &search_constant_type_c::safetime_type_name },

   120

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::ulint_type_name,           &search_constant_type_c::safetime_type_name },

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    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::udint_type_name,           &search_constant_type_c::safetime_type_name },

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    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::uint_type_name,            &search_constant_type_c::safetime_type_name },

   123

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::usint_type_name,           &search_constant_type_c::safetime_type_name },

   124

   125

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safelreal_type_name,       &search_constant_type_c::safetime_type_name },

   126

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safereal_type_name,        &search_constant_type_c::safetime_type_name },

   127

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safedint_type_name,        &search_constant_type_c::safetime_type_name },

   128

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safeint_type_name,         &search_constant_type_c::safetime_type_name },

   129

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safesint_type_name,        &search_constant_type_c::safetime_type_name },

   130

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safeulint_type_name,       &search_constant_type_c::safetime_type_name },

   131

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safeudint_type_name,       &search_constant_type_c::safetime_type_name },

   132

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safeuint_type_name,        &search_constant_type_c::safetime_type_name },

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    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safeusint_type_name,       &search_constant_type_c::safetime_type_name },

   134

   135

    { NULL, NULL, NULL },

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};

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const struct widen_entry widen_DIV_table[] = {

   139

	{ &search_constant_type_c::time_type_name,          &search_constant_type_c::lreal_type_name,           &search_constant_type_c::time_type_name     },

   140

    { &search_constant_type_c::time_type_name,          &search_constant_type_c::real_type_name,            &search_constant_type_c::time_type_name     },

   141

    { &search_constant_type_c::time_type_name,          &search_constant_type_c::dint_type_name,            &search_constant_type_c::time_type_name     },

   142

    { &search_constant_type_c::time_type_name,          &search_constant_type_c::int_type_name,             &search_constant_type_c::time_type_name     },

   143

    { &search_constant_type_c::time_type_name,          &search_constant_type_c::sint_type_name,            &search_constant_type_c::time_type_name     },

   144

    { &search_constant_type_c::time_type_name,          &search_constant_type_c::ulint_type_name,           &search_constant_type_c::time_type_name     },

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    { &search_constant_type_c::time_type_name,          &search_constant_type_c::udint_type_name,           &search_constant_type_c::time_type_name     },

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    { &search_constant_type_c::time_type_name,          &search_constant_type_c::uint_type_name,            &search_constant_type_c::time_type_name     },

   147

    { &search_constant_type_c::time_type_name,          &search_constant_type_c::usint_type_name,           &search_constant_type_c::time_type_name     },

   148

   149

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::lreal_type_name,           &search_constant_type_c::safetime_type_name },

   150

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::real_type_name,            &search_constant_type_c::safetime_type_name },

   151

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::dint_type_name,            &search_constant_type_c::safetime_type_name },

   152

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::int_type_name,             &search_constant_type_c::safetime_type_name },

   153

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::sint_type_name,            &search_constant_type_c::safetime_type_name },

   154

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::ulint_type_name,           &search_constant_type_c::safetime_type_name },

   155

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::udint_type_name,           &search_constant_type_c::safetime_type_name },

   156

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::uint_type_name,            &search_constant_type_c::safetime_type_name },

   157

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::usint_type_name,           &search_constant_type_c::safetime_type_name },

   158

   159

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safelreal_type_name,       &search_constant_type_c::safetime_type_name },

   160

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safereal_type_name,        &search_constant_type_c::safetime_type_name },

   161

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safedint_type_name,        &search_constant_type_c::safetime_type_name },

   162

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safeint_type_name,         &search_constant_type_c::safetime_type_name },

   163

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safesint_type_name,        &search_constant_type_c::safetime_type_name },

   164

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safeulint_type_name,       &search_constant_type_c::safetime_type_name },

   165

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safeudint_type_name,       &search_constant_type_c::safetime_type_name },

   166

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safeuint_type_name,        &search_constant_type_c::safetime_type_name },

   167

    { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safeusint_type_name,       &search_constant_type_c::safetime_type_name },

   168

   169

    { NULL, NULL, NULL },

   170

};

   171

   172

/* Search for a datatype inside a candidate_datatypes list.

   173

 * Returns: position of datatype in the list, or -1 if not found.

   174

 */

   176

	if (NULL == datatype) 

   177

		return -1;

   178

   179

	for(unsigned int i = 0; i < candidate_datatypes.size(); i++)

   180

		if (is_type_equal(datatype, candidate_datatypes[i]))

   181

			return i;

   182

	/* Not found ! */

   183

	return -1;

   184

}

   185

   186

   187

   188

   189

   190

/* Copy the elements in the candidate_datatype_list in one symbol (from)

   191

 * into the candidate_datatype_list of another symbol (to)

   192

 */

   193

void copy_candidate_datatype_list(symbol_c *from, symbol_c *to) {

   194

	if ((NULL == from) || (NULL == to))

   195

		return;

   197

}

   198

   199

   200

   201

   202

   203

/* A helper function... */

   204

bool is_ANY_ELEMENTARY_type(symbol_c *type_symbol) {

   205

  if (type_symbol == NULL) {return false;}

   206

  return is_ANY_MAGNITUDE_type(type_symbol)

   207

      || is_ANY_BIT_type      (type_symbol)

   208

      || is_ANY_STRING_type   (type_symbol)

   209

      || is_ANY_DATE_type     (type_symbol);

   210

}

   211

   212

/* A helper function... */

   213

bool is_ANY_SAFEELEMENTARY_type(symbol_c *type_symbol) {

   214

  if (type_symbol == NULL) {return false;}

   215

  return is_ANY_SAFEMAGNITUDE_type(type_symbol)

   216

      || is_ANY_SAFEBIT_type      (type_symbol)

   217

      || is_ANY_SAFESTRING_type   (type_symbol)

   218

      || is_ANY_SAFEDATE_type     (type_symbol);

   219

}

   220

   221

/* A helper function... */

   222

bool is_ANY_ELEMENTARY_compatible(symbol_c *type_symbol) {

   223

  if (type_symbol == NULL) {return false;}

   224

  /* NOTE: doing

   225

   *          return is_ANY_SAFEELEMENTARY_type() || is_ANY_ELEMENTARY_type()

   226

   *       is incorrect, as the literals would never be considered compatible...

   227

   */

   228

  return is_ANY_MAGNITUDE_compatible(type_symbol)

   229

      || is_ANY_BIT_compatible      (type_symbol)

   230

      || is_ANY_STRING_compatible   (type_symbol)

   231

      || is_ANY_DATE_compatible     (type_symbol);

   232

}

   233

   234

   235

/* A helper function... */

   236

bool is_ANY_MAGNITUDE_type(symbol_c *type_symbol) {

   237

  if (type_symbol == NULL) {return false;}

   238

  if (typeid(*type_symbol) == typeid(time_type_name_c)) {return true;}

   239

  return is_ANY_NUM_type(type_symbol);

   240

}

   241

   242

/* A helper function... */

   243

bool is_ANY_signed_MAGNITUDE_type(symbol_c *type_symbol) {

   244

  if (type_symbol == NULL) {return false;}

   245

  if (typeid(*type_symbol) == typeid(time_type_name_c)) {return true;}

   246

  return is_ANY_signed_NUM_type(type_symbol);

   247

}

   248

   249

/* A helper function... */

   250

bool is_ANY_SAFEMAGNITUDE_type(symbol_c *type_symbol) {

   251

  if (type_symbol == NULL) {return false;}

   252

  if (typeid(*type_symbol) == typeid(safetime_type_name_c)) {return true;}

   253

  return is_ANY_SAFENUM_type(type_symbol);

   254

}

   255

   256

/* A helper function... */

   257

bool is_ANY_signed_SAFEMAGNITUDE_type(symbol_c *type_symbol) {

   258

  if (type_symbol == NULL) {return false;}

   259

  if (typeid(*type_symbol) == typeid(safetime_type_name_c)) {return true;}

   260

  return is_ANY_signed_SAFENUM_type(type_symbol);

   261

}

   262

   263

/* A helper function... */

   264

bool is_ANY_MAGNITUDE_compatible(symbol_c *type_symbol) {

   265

  if (type_symbol == NULL) {return false;}

   266

  if (is_ANY_MAGNITUDE_type    (type_symbol))              {return true;}

   267

  if (is_ANY_SAFEMAGNITUDE_type(type_symbol))              {return true;}

   268

  return is_ANY_NUM_compatible(type_symbol);

   269

}

   270

   271

/* A helper function... */

   272

bool is_ANY_signed_MAGNITUDE_compatible(symbol_c *type_symbol) {

   273

  if (type_symbol == NULL) {return false;}

   274

  if (is_ANY_signed_MAGNITUDE_type    (type_symbol))       {return true;}

   275

  if (is_ANY_signed_SAFEMAGNITUDE_type(type_symbol))       {return true;}

   276

  return is_ANY_signed_NUM_compatible(type_symbol);

   277

}

   278

   279

/* A helper function... */

   280

bool is_ANY_NUM_type(symbol_c *type_symbol) {

   281

  if (type_symbol == NULL) {return false;}

   282

  if (is_ANY_REAL_type(type_symbol))                       {return true;}

   283

  if (is_ANY_INT_type(type_symbol))                        {return true;}

   284

  return false;

   285

}

   286

   287

/* A helper function... */

   288

bool is_ANY_signed_NUM_type(symbol_c *type_symbol) {

   289

  if (type_symbol == NULL) {return false;}

   290

  if (is_ANY_REAL_type(type_symbol))                       {return true;}

   291

  if (is_ANY_signed_INT_type(type_symbol))                 {return true;}

   292

  return false;

   293

}

   294

   295

/* A helper function... */

   296

bool is_ANY_SAFENUM_type(symbol_c *type_symbol) {

   297

  if (type_symbol == NULL) {return false;}

   298

  return is_ANY_SAFEREAL_type(type_symbol)

   299

      || is_ANY_SAFEINT_type (type_symbol);

   300

}

   301

   302

/* A helper function... */

   303

bool is_ANY_signed_SAFENUM_type(symbol_c *type_symbol) {

   304

  if (type_symbol == NULL) {return false;}

   305

  return is_ANY_SAFEREAL_type(type_symbol)

   306

      || is_ANY_signed_SAFEINT_type (type_symbol);

   307

}

   308

   309

/* A helper function... */

   310

bool is_ANY_NUM_compatible(symbol_c *type_symbol) {

   311

  if (type_symbol == NULL) {return false;}

   312

  if (is_ANY_REAL_compatible(type_symbol))                       {return true;}

   313

  if (is_ANY_INT_compatible(type_symbol))                        {return true;}

   314

  return false;

   315

}

   316

   317

/* A helper function... */

   318

bool is_ANY_signed_NUM_compatible(symbol_c *type_symbol) {

   319

  if (type_symbol == NULL) {return false;}

   320

  if (is_ANY_REAL_compatible(type_symbol))                       {return true;}

   321

  if (is_ANY_signed_INT_compatible(type_symbol))                 {return true;}

   322

  return false;

   323

}

   324

   325

/* A helper function... */

   326

bool is_ANY_DATE_type(symbol_c *type_symbol) {

   327

  if (type_symbol == NULL) {return false;}

   328

  if (typeid(*type_symbol) == typeid(date_type_name_c)) {return true;}

   329

  if (typeid(*type_symbol) == typeid(tod_type_name_c))  {return true;}

   330

  if (typeid(*type_symbol) == typeid(dt_type_name_c))   {return true;}

   331

  return false;

   332

}

   333

   334

/* A helper function... */

   335

bool is_ANY_SAFEDATE_type(symbol_c *type_symbol) {

   336

  if (type_symbol == NULL) {return false;}

   337

  if (typeid(*type_symbol) == typeid(safedate_type_name_c)) {return true;}

   338

  if (typeid(*type_symbol) == typeid(safetod_type_name_c))  {return true;}

   339

  if (typeid(*type_symbol) == typeid(safedt_type_name_c))   {return true;}

   340

  return false;

   341

}

   342

   343

/* A helper function... */

   344

bool is_ANY_DATE_compatible(symbol_c *type_symbol) {

   345

  if (type_symbol == NULL) {return false;}

   346

  if (is_ANY_DATE_type    (type_symbol))              {return true;}

   347

  if (is_ANY_SAFEDATE_type(type_symbol))              {return true;}

   348

  return false;

   349

}

   350

   351

/* A helper function... */

   352

bool is_ANY_STRING_type(symbol_c *type_symbol) {

   353

  if (type_symbol == NULL) {return false;}

   354

  if (typeid(*type_symbol) == typeid(string_type_name_c)) {return true;}

   355

  if (typeid(*type_symbol) == typeid(wstring_type_name_c)) {return true;}

   356

  return false;

   357

}

   358

   359

/* A helper function... */

   360

bool is_ANY_SAFESTRING_type(symbol_c *type_symbol) {

   361

  if (type_symbol == NULL) {return false;}

   362

  if (typeid(*type_symbol) == typeid(safestring_type_name_c)) {return true;}

   363

  if (typeid(*type_symbol) == typeid(safewstring_type_name_c)) {return true;}

   364

  return false;

   365

}

   366

   367

/* A helper function... */

   368

bool is_ANY_STRING_compatible(symbol_c *type_symbol) {

   369

  if (type_symbol == NULL) {return false;}

   370

  if (is_ANY_STRING_type    (type_symbol))              {return true;}

   371

  if (is_ANY_SAFESTRING_type(type_symbol))              {return true;}

   372

  return false;

   373

}

   374

   375

/* A helper function... */

   376

bool is_ANY_INT_type(symbol_c *type_symbol) {

   377

  if (type_symbol == NULL) {return false;}

   378

  if (typeid(*type_symbol) == typeid(sint_type_name_c))  {return true;}

   379

  if (typeid(*type_symbol) == typeid(int_type_name_c))   {return true;}

   380

  if (typeid(*type_symbol) == typeid(dint_type_name_c))  {return true;}

   381

  if (typeid(*type_symbol) == typeid(lint_type_name_c))  {return true;}

   382

  if (typeid(*type_symbol) == typeid(usint_type_name_c)) {return true;}

   383

  if (typeid(*type_symbol) == typeid(uint_type_name_c))  {return true;}

   384

  if (typeid(*type_symbol) == typeid(udint_type_name_c)) {return true;}

   385

  if (typeid(*type_symbol) == typeid(ulint_type_name_c)) {return true;}

   386

  return false;

   387

}

   388

   389

/* A helper function... */

   390

bool is_ANY_signed_INT_type(symbol_c *type_symbol) {

   391

  if (type_symbol == NULL) {return false;}

   392

  if (typeid(*type_symbol) == typeid(sint_type_name_c))  {return true;}

   393

  if (typeid(*type_symbol) == typeid(int_type_name_c))   {return true;}

   394

  if (typeid(*type_symbol) == typeid(dint_type_name_c))  {return true;}

   395

  if (typeid(*type_symbol) == typeid(lint_type_name_c))  {return true;}

   396

  return false;

   397

}

   398

   399

/* A helper function... */

   400

bool is_ANY_signed_SAFEINT_type(symbol_c *type_symbol) {

   401

  if (type_symbol == NULL) {return false;}

   402

  if (typeid(*type_symbol) == typeid(safesint_type_name_c))  {return true;}

   403

  if (typeid(*type_symbol) == typeid(safeint_type_name_c))   {return true;}

   404

  if (typeid(*type_symbol) == typeid(safedint_type_name_c))  {return true;}

   405

  if (typeid(*type_symbol) == typeid(safelint_type_name_c))  {return true;}

   406

  return false;

   407

}

   408

   409

/* A helper function... */

   410

bool is_ANY_SAFEINT_type(symbol_c *type_symbol) {

   411

  if (type_symbol == NULL) {return false;}

   412

  if (typeid(*type_symbol) == typeid(safesint_type_name_c))  {return true;}

   413

  if (typeid(*type_symbol) == typeid(safeint_type_name_c))   {return true;}

   414

  if (typeid(*type_symbol) == typeid(safedint_type_name_c))  {return true;}

   415

  if (typeid(*type_symbol) == typeid(safelint_type_name_c))  {return true;}

   416

  if (typeid(*type_symbol) == typeid(safeusint_type_name_c)) {return true;}

   417

  if (typeid(*type_symbol) == typeid(safeuint_type_name_c))  {return true;}

   418

  if (typeid(*type_symbol) == typeid(safeudint_type_name_c)) {return true;}

   419

  if (typeid(*type_symbol) == typeid(safeulint_type_name_c)) {return true;}

   420

  return false;

   421

}

   422

   423

/* A helper function... */

   424

bool is_ANY_signed_INT_compatible(symbol_c *type_symbol) {

   425

  if (type_symbol == NULL) {return false;}

   426

  if (is_ANY_signed_INT_type    (type_symbol))              {return true;}

   427

  if (is_ANY_signed_SAFEINT_type(type_symbol))              {return true;}

   428

  return false;

   429

}

   430

   431

/* A helper function... */

   432

bool is_ANY_INT_compatible(symbol_c *type_symbol) {

   433

  if (type_symbol == NULL) {return false;}

   434

  if (is_ANY_INT_type    (type_symbol))              {return true;}

   435

  if (is_ANY_SAFEINT_type(type_symbol))              {return true;}

   436

  return false;

   437

}

   438

   439

/* A helper function... */

   440

bool is_ANY_REAL_type(symbol_c *type_symbol) {

   441

  if (type_symbol == NULL) {return false;}

   442

  if (typeid(*type_symbol) == typeid(real_type_name_c))  {return true;}

   443

  if (typeid(*type_symbol) == typeid(lreal_type_name_c)) {return true;}

   444

  return false;

   445

}

   446

   447

/* A helper function... */

   448

bool is_ANY_SAFEREAL_type(symbol_c *type_symbol) {

   449

  if (type_symbol == NULL) {return false;}

   450

  if (typeid(*type_symbol) == typeid(safereal_type_name_c))  {return true;}

   451

  if (typeid(*type_symbol) == typeid(safelreal_type_name_c)) {return true;}

   452

  return false;

   453

}

   454

   455

/* A helper function... */

   456

bool is_ANY_REAL_compatible(symbol_c *type_symbol) {

   457

  if (type_symbol == NULL) {return false;}

   458

  if (is_ANY_REAL_type    (type_symbol))              {return true;}

   459

  if (is_ANY_SAFEREAL_type(type_symbol))              {return true;}

   460

  return false;

   461

}

   462

   463

/* A helper function... */

   464

bool is_ANY_BIT_type(symbol_c *type_symbol) {

   465

  if (type_symbol == NULL) {return false;}

   466

  if (typeid(*type_symbol) == typeid(bool_type_name_c))     {return true;}

   467

  if (typeid(*type_symbol) == typeid(byte_type_name_c))     {return true;}

   468

  if (typeid(*type_symbol) == typeid(word_type_name_c))     {return true;}

   469

  if (typeid(*type_symbol) == typeid(dword_type_name_c))    {return true;}

   470

  if (typeid(*type_symbol) == typeid(lword_type_name_c))    {return true;}

   471

  return false;

   472

}

   473

   474

/* A helper function... */

   475

bool is_ANY_SAFEBIT_type(symbol_c *type_symbol) {

   476

  if (type_symbol == NULL) {return false;}

   477

  if (typeid(*type_symbol) == typeid(safebool_type_name_c))     {return true;}

   478

  if (typeid(*type_symbol) == typeid(safebyte_type_name_c))     {return true;}

   479

  if (typeid(*type_symbol) == typeid(safeword_type_name_c))     {return true;}

   480

  if (typeid(*type_symbol) == typeid(safedword_type_name_c))    {return true;}

   481

  if (typeid(*type_symbol) == typeid(safelword_type_name_c))    {return true;}

   482

  return false;

   483

}

   484

   485

/* A helper function... */

   486

bool is_ANY_BIT_compatible(symbol_c *type_symbol) {

   487

  if (type_symbol == NULL) {return false;}

   488

  if (is_ANY_BIT_type    (type_symbol))              {return true;}

   489

  if (is_ANY_SAFEBIT_type(type_symbol))              {return true;}

   490

  return false;

   491

}

   492

   493

/* A helper function... */

   494

bool is_BOOL_type(symbol_c *type_symbol) {

   495

  if (type_symbol == NULL) {return false;}

   496

  if (typeid(*type_symbol) == typeid(bool_type_name_c))      {return true;}

   497

  return false;

   498

}

   499

   500

/* A helper function... */

   501

bool is_SAFEBOOL_type(symbol_c *type_symbol){

   502

  if (type_symbol == NULL) {return false;}

   503

  if (typeid(*type_symbol) == typeid(safebool_type_name_c))  {return true;}

   504

  return false;

   505

}

   506

   507

/* A helper function... */

   508

bool is_ANY_BOOL_compatible(symbol_c *type_symbol) {

   509

  if (type_symbol == NULL) {return false;}

   510

  if (is_BOOL_type    (type_symbol))              {return true;}

   511

  if (is_SAFEBOOL_type(type_symbol))              {return true;}

   512

  return false;

   513

}

   514

   515

   516

   517

   518

   519

bool is_type_equal(symbol_c *first_type, symbol_c *second_type)