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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

    18

 *  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;

    36

  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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    48

/*

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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[] = {

    54

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

    55

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

    56

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

    57

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

    58

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

    59

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

    60

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

    61

    { &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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    71

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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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    80

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

    81

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

    82

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

    83

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

    84

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

    85

    { &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     },

    91

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

    92

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

    93

    { &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     },

    99

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

   100

    { NULL, NULL, NULL },

   101

};

   102

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const struct widen_entry widen_MUL_table[] = {

   104

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

   105

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

   106

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

   107

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

   108

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

   109

    { &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     },

   112

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

   113

   114

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

   115

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

   116

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

   117

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

   118

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

   119

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

   120

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

   121

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

   122

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

   123

   124

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

   125

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

   126

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

   127

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

   128

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

   129

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

   130

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

   131

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

   132

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

   133

   134

    { NULL, NULL, NULL },

   135

};

   136

   137

const struct widen_entry widen_DIV_table[] = {

   138

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

   139

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

   140

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

   141

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

   142

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

   143

    { &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     },

   145

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

   146

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

   147

   148

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

   149

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

   150

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

   151

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

   152

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

   153

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

   154

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

   155

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

   156

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

   157

   158

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

   159

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

   160

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

   161

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

   162

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

   163

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

   164

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

   165

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

   166

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

   167

   168

    { NULL, NULL, NULL },

   169

};

   170

   171

/* Search for a datatype inside a candidate_datatypes list.

   172

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

   173

 */

   174

int search_in_datatype_list(symbol_c *datatype, std::vector <symbol_c *> candidate_datatypes) {

   175

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

   176

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

   177

			return i;

   178

	/* Not found ! */

   179

	return -1;

   180

}

   181

   182

   183

/* A helper function... */

   184

bool is_ANY_ELEMENTARY_type(symbol_c *type_symbol) {

   185

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

   186

  return is_ANY_MAGNITUDE_type(type_symbol)

   187

      || is_ANY_BIT_type      (type_symbol)

   188

      || is_ANY_STRING_type   (type_symbol)

   189

      || is_ANY_DATE_type     (type_symbol);

   190

}

   191

   192

/* A helper function... */

   193

bool is_ANY_SAFEELEMENTARY_type(symbol_c *type_symbol) {

   194

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

   195

  return is_ANY_SAFEMAGNITUDE_type(type_symbol)

   196

      || is_ANY_SAFEBIT_type      (type_symbol)

   197

      || is_ANY_SAFESTRING_type   (type_symbol)

   198

      || is_ANY_SAFEDATE_type     (type_symbol);

   199

}

   200

   201

/* A helper function... */

   202

bool is_ANY_ELEMENTARY_compatible(symbol_c *type_symbol) {

   203

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

   204

  /* NOTE: doing

   205

   *          return is_ANY_SAFEELEMENTARY_type() || is_ANY_ELEMENTARY_type()

   206

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

   207

   */

   208

  return is_ANY_MAGNITUDE_compatible(type_symbol)

   209

      || is_ANY_BIT_compatible      (type_symbol)

   210

      || is_ANY_STRING_compatible   (type_symbol)

   211

      || is_ANY_DATE_compatible     (type_symbol);

   212

}

   213

   214

   215

/* A helper function... */

   216

bool is_ANY_MAGNITUDE_type(symbol_c *type_symbol) {

   217

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

   218

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

   219

  return is_ANY_NUM_type(type_symbol);

   220

}

   221

   222

/* A helper function... */

   230

bool is_ANY_SAFEMAGNITUDE_type(symbol_c *type_symbol) {

   231

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

   232

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

   233

  return is_ANY_SAFENUM_type(type_symbol);

   234

}

   235

   236

/* A helper function... */

   244

bool is_ANY_MAGNITUDE_compatible(symbol_c *type_symbol) {

   245

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

   246

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

   247

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

   248

  return is_ANY_NUM_compatible(type_symbol);

   249

}

   250

   251

/* A helper function... */

   260

bool is_ANY_NUM_type(symbol_c *type_symbol) {

   261

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

   262

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

   263

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

   264

  return false;

   265

}

   266

   267

/* A helper function... */

   276

bool is_ANY_SAFENUM_type(symbol_c *type_symbol) {

   277

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

   278

  return is_ANY_SAFEREAL_type(type_symbol)

   279

      || is_ANY_SAFEINT_type (type_symbol);

   280

}

   281

   282

/* A helper function... */

   290

bool is_ANY_NUM_compatible(symbol_c *type_symbol) {

   291

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

   292

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

   293

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

   294

  return false;

   295

}

   296

   297

/* A helper function... */

   306

bool is_ANY_DATE_type(symbol_c *type_symbol) {

   307

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

   308

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

   309

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

   310

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

   311

  return false;

   312

}

   313

   314

/* A helper function... */

   315

bool is_ANY_SAFEDATE_type(symbol_c *type_symbol) {

   316

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

   317

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

   318

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

   319

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

   320

  return false;

   321

}

   322

   323

/* A helper function... */

   324

bool is_ANY_DATE_compatible(symbol_c *type_symbol) {

   325

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

   326

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

   327

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

   328

  return false;

   329

}

   330

   331

/* A helper function... */

   332

bool is_ANY_STRING_type(symbol_c *type_symbol) {

   333

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

   334

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

   335

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

   336

// TODO literal_string ???

   337

  return false;

   338

}

   339

   340

/* A helper function... */

   341

bool is_ANY_SAFESTRING_type(symbol_c *type_symbol) {

   342

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

   343

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

   344

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

   345

  return false;

   346

}

   347

   348

/* A helper function... */

   349

bool is_ANY_STRING_compatible(symbol_c *type_symbol) {

   350

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

   351

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

   352

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

   353

  return false;

   354

}

   355

   356

/* A helper function... */

   357

bool is_ANY_INT_type(symbol_c *type_symbol) {

   358

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

   359

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

   360

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

   361

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

   362

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

   363

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

   364

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

   365

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

   366

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

   367

  return false;

   368

}

   369

   370

/* A helper function... */

   391

bool is_ANY_SAFEINT_type(symbol_c *type_symbol) {

   392

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

   393

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

   394

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

   395

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

   396

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

   397

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

   398

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

   399

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

   400

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

   401

  return false;

   402

}

   403

   404

/* A helper function... */

   414

bool is_ANY_INT_compatible(symbol_c *type_symbol) {

   415

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

   416

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

   417

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

   418

//   if (is_literal_integer_type(type_symbol))          {return true;}

   419

  return false;

   420

}

   421

   422

/* A helper function... */

   423

bool is_ANY_REAL_type(symbol_c *type_symbol) {

   424

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

   425

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

   426

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

   427

  return false;

   428

}

   429

   430

/* A helper function... */

   431

bool is_ANY_SAFEREAL_type(symbol_c *type_symbol) {

   432

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

   433

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

   434

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

   435

  return false;

   436

}

   437

   438

/* A helper function... */

   439

bool is_ANY_REAL_compatible(symbol_c *type_symbol) {

   440

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

   441

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

   442

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

   443

//   if (is_literal_real_type(type_symbol))              {return true;}

   444

  return false;

   445

}

   446

   447

/* A helper function... */

   448

bool is_ANY_BIT_type(symbol_c *type_symbol) {

   449

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

   450

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

   451

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

   452

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

   453

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

   454

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

   455

  return false;

   456

}

   457

   458

/* A helper function... */

   459

bool is_ANY_SAFEBIT_type(symbol_c *type_symbol) {

   460

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

   461

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

   462

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

   463

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

   464

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

   465

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

   466

  return false;

   467

}

   468

   469

/* A helper function... */

   470

bool is_ANY_BIT_compatible(symbol_c *type_symbol) {

   471

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

   472

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

   473

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

   474

//   if (is_nonneg_literal_integer_type(type_symbol))   {return true;}

   475

//   if (is_literal_bool_type(type_symbol))             {return true;}

   476

  return false;

   477

}

   478

   479

/* A helper function... */

   480

bool is_BOOL_type(symbol_c *type_symbol) {

   481

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

   482

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

   483

  return false;

   484

}

   485

   486

/* A helper function... */

   487

bool is_SAFEBOOL_type(symbol_c *type_symbol){

   488

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

   489

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

   490

  return false;

   491

}

   492

   493

/* A helper function... */

   494

bool is_ANY_BOOL_compatible(symbol_c *type_symbol) {

   495

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

   496

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

   497

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

   498

//   if (is_literal_bool_type(type_symbol))              {return true;}

   499

  return false;

   500

}

   501

   502

   503

   504

#if 0

   505

/* A helper function... */

   506

bool is_literal_integer_type(symbol_c *type_symbol) {

   507

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

   508

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

   509

  return is_nonneg_literal_integer_type(type_symbol);

   510

}

   511

   512

   513

/* A helper function... */

   514

bool is_nonneg_literal_integer_type(symbol_c *type_symbol) {

   515

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

   516

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

   517

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

   518

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

   519

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

   520

  return false;