Fix bug: when checking compatibility between GLOBAL and EXTERNAL variables, must only enforce GLOBAL CONSTANT => EXTERNAL CONSTANT.
Reverse CONSTANT implication is not enforced, and neither is RETAIN compatibility.
/*
* matiec - a compiler for the programming languages defined in IEC 61131-3
*
* Copyright (C) 2003-2012 Mario de Sousa (msousa@fe.up.pt)
* Copyright (C) 2007-2011 Laurent Bessard and Edouard Tisserant
* Copyright (C) 2012 Manuele Conti (conti.ma@alice.it)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
* This code is made available on the understanding that it will not be
* used in safety-critical situations without a full and competent review.
*/
/*
* An IEC 61131-3 compiler.
*
* Based on the
* FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
*
*/
/* Determine the characteristics of a specific data type
* e.g., is it an enumeration, is it an array, is it ANY_INT, etc...
*
* The methods of this class may be passed either:
* - a data type declaration symbol_c,
* OR
* - the name of a data type (identifier_c)
* In this case, we shall first serach for the basetype declaration using search_base_type_c, and then
* run the normal process.
*/
#include "absyntax_utils.hh"
#include "../main.hh" // required for ERROR() and ERROR_MSG() macros.
#include <typeinfo> // required for typeid
/**********************************************************/
/**********************************************************/
/**********************************************************/
/***** *****/
/***** *****/
/***** Some helper classes *****/
/***** *****/
/***** *****/
/**********************************************************/
/**********************************************************/
/**********************************************************/
/* Return the identifier (name) of a datatype, typically declared in a TYPE .. END_TYPE declaration */
class get_datatype_id_c: null_visitor_c {
private:
static get_datatype_id_c *singleton;
public:
static symbol_c *get_id(symbol_c *symbol) {
if (NULL == singleton) singleton = new get_datatype_id_c();
if (NULL == singleton) ERROR;
return (symbol_c *)symbol->accept(*singleton);
}
protected:
/********************************/
/* B 1.3.3 - Derived data types */
/********************************/
/* simple_type_name ':' simple_spec_init */
void *visit(simple_type_declaration_c *symbol) {return symbol->simple_type_name;}
/* subrange_type_name ':' subrange_spec_init */
void *visit(subrange_type_declaration_c *symbol) {return symbol->subrange_type_name;}
/* enumerated_type_name ':' enumerated_spec_init */
void *visit(enumerated_type_declaration_c *symbol) {return symbol->enumerated_type_name;}
/* identifier ':' array_spec_init */
void *visit(array_type_declaration_c *symbol) {return symbol->identifier;}
/* structure_type_name ':' structure_specification */
void *visit(structure_type_declaration_c *symbol) {return symbol->structure_type_name;}
/* string_type_name ':' elementary_string_type_name string_type_declaration_size string_type_declaration_init */
void *visit(string_type_declaration_c *symbol) {return symbol->string_type_name;}
/*****************************/
/* B 1.5.2 - Function Blocks */
/*****************************/
/* FUNCTION_BLOCK derived_function_block_name io_OR_other_var_declarations function_block_body END_FUNCTION_BLOCK */
void *visit(function_block_declaration_c *symbol) {return symbol->fblock_name;}
}; // get_datatype_id_c
get_datatype_id_c *get_datatype_id_c::singleton = NULL;
/***********************************************************************/
/***********************************************************************/
/* A small helper class, to transform elementary data type to string.
* this allows us to generate more relevant error messages...
*/
class get_datatype_id_str_c: public null_visitor_c {
protected:
get_datatype_id_str_c(void) {};
~get_datatype_id_str_c(void) {};
private:
/* singleton class! */
static get_datatype_id_str_c *singleton;
public:
static const char *get_id_str(symbol_c *symbol) {
if (NULL == singleton) singleton = new get_datatype_id_str_c;
if (NULL == singleton) ERROR;
const char *res = (const char *)symbol->accept(*singleton);
if (NULL == res) ERROR;
return res;
}
/*************************/
/* B.1 - Common elements */
/*************************/
/*******************************************/
/* B 1.1 - Letters, digits and identifiers */
/*******************************************/
void *visit(identifier_c *symbol) {return (void *)symbol->value;};
/***********************************/
/* B 1.3.1 - Elementary Data Types */
/***********************************/
void *visit(time_type_name_c *symbol) {return (void *)"TIME"; };
void *visit(bool_type_name_c *symbol) {return (void *)"BOOL"; };
void *visit(sint_type_name_c *symbol) {return (void *)"SINT"; };
void *visit(int_type_name_c *symbol) {return (void *)"INT"; };
void *visit(dint_type_name_c *symbol) {return (void *)"DINT"; };
void *visit(lint_type_name_c *symbol) {return (void *)"LINT"; };
void *visit(usint_type_name_c *symbol) {return (void *)"USINT"; };
void *visit(uint_type_name_c *symbol) {return (void *)"UINT"; };
void *visit(udint_type_name_c *symbol) {return (void *)"UDINT"; };
void *visit(ulint_type_name_c *symbol) {return (void *)"ULINT"; };
void *visit(real_type_name_c *symbol) {return (void *)"REAL"; };
void *visit(lreal_type_name_c *symbol) {return (void *)"LREAL"; };
void *visit(date_type_name_c *symbol) {return (void *)"DATE"; };
void *visit(tod_type_name_c *symbol) {return (void *)"TOD"; };
void *visit(dt_type_name_c *symbol) {return (void *)"DT"; };
void *visit(byte_type_name_c *symbol) {return (void *)"BYTE"; };
void *visit(word_type_name_c *symbol) {return (void *)"WORD"; };
void *visit(lword_type_name_c *symbol) {return (void *)"LWORD"; };
void *visit(dword_type_name_c *symbol) {return (void *)"DWORD"; };
void *visit(string_type_name_c *symbol) {return (void *)"STRING"; };
void *visit(wstring_type_name_c *symbol) {return (void *)"WSTRING"; };
void *visit(safetime_type_name_c *symbol) {return (void *)"SAFETIME"; };
void *visit(safebool_type_name_c *symbol) {return (void *)"SAFEBOOL"; };
void *visit(safesint_type_name_c *symbol) {return (void *)"SAFESINT"; };
void *visit(safeint_type_name_c *symbol) {return (void *)"SAFEINT"; };
void *visit(safedint_type_name_c *symbol) {return (void *)"SAFEDINT"; };
void *visit(safelint_type_name_c *symbol) {return (void *)"SAFELINT"; };
void *visit(safeusint_type_name_c *symbol) {return (void *)"SAFEUSINT"; };
void *visit(safeuint_type_name_c *symbol) {return (void *)"SAFEUINT"; };
void *visit(safeudint_type_name_c *symbol) {return (void *)"SAFEUDINT"; };
void *visit(safeulint_type_name_c *symbol) {return (void *)"SAFEULINT"; };
void *visit(safereal_type_name_c *symbol) {return (void *)"SAFEREAL"; };
void *visit(safelreal_type_name_c *symbol) {return (void *)"SAFELREAL"; };
void *visit(safedate_type_name_c *symbol) {return (void *)"SAFEDATE"; };
void *visit(safetod_type_name_c *symbol) {return (void *)"SAFETOD"; };
void *visit(safedt_type_name_c *symbol) {return (void *)"SAFEDT"; };
void *visit(safebyte_type_name_c *symbol) {return (void *)"SAFEBYTE"; };
void *visit(safeword_type_name_c *symbol) {return (void *)"SAFEWORD"; };
void *visit(safelword_type_name_c *symbol) {return (void *)"SAFELWORD"; };
void *visit(safedword_type_name_c *symbol) {return (void *)"SAFEDWORD"; };
void *visit(safestring_type_name_c *symbol) {return (void *)"SAFESTRING"; };
void *visit(safewstring_type_name_c *symbol) {return (void *)"SAFEWSTRING"; };
/********************************/
/* B 1.3.3 - Derived data types */
/********************************/
/* simple_type_name ':' simple_spec_init */
void *visit(simple_type_declaration_c *symbol) {return symbol->simple_type_name->accept(*this);}
/* subrange_type_name ':' subrange_spec_init */
void *visit(subrange_type_declaration_c *symbol) {return symbol->subrange_type_name->accept(*this);}
/* enumerated_type_name ':' enumerated_spec_init */
void *visit(enumerated_type_declaration_c *symbol) {return symbol->enumerated_type_name->accept(*this);}
/* identifier ':' array_spec_init */
void *visit(array_type_declaration_c *symbol) {return symbol->identifier->accept(*this);}
/* structure_type_name ':' structure_specification */
void *visit(structure_type_declaration_c *symbol) {return symbol->structure_type_name->accept(*this);}
/* string_type_name ':' elementary_string_type_name string_type_declaration_size string_type_declaration_init */
void *visit(string_type_declaration_c *symbol) {return symbol->string_type_name->accept(*this);}
/*****************************/
/* B 1.5.2 - Function Blocks */
/*****************************/
/* FUNCTION_BLOCK derived_function_block_name io_OR_other_var_declarations function_block_body END_FUNCTION_BLOCK */
void *visit(function_block_declaration_c *symbol) {return symbol->fblock_name->accept(*this);}
};
get_datatype_id_str_c *get_datatype_id_str_c::singleton = NULL;
/**********************************************************/
/**********************************************************/
/**********************************************************/
/***** *****/
/***** *****/
/***** GET_DATATYPE_INFO_C *****/
/***** *****/
/***** *****/
/**********************************************************/
/**********************************************************/
/**********************************************************/
const char *get_datatype_info_c::get_id_str(symbol_c *datatype) {
return get_datatype_id_str_c::get_id_str(datatype);
}
symbol_c *get_datatype_info_c::get_id(symbol_c *datatype) {
return get_datatype_id_c::get_id(datatype);
}
bool get_datatype_info_c::is_type_equal(symbol_c *first_type, symbol_c *second_type) {
if ((NULL == first_type) || (NULL == second_type)) {return false;}
if (typeid(* first_type) == typeid(invalid_type_name_c)) {return false;}
if (typeid(*second_type) == typeid(invalid_type_name_c)) {return false;}
if ((get_datatype_info_c::is_ANY_ELEMENTARY(first_type)) &&
(typeid(*first_type) == typeid(*second_type))) {return true;}
/* ANY_DERIVED */
return (first_type == second_type);
}
bool get_datatype_info_c::is_type_valid(symbol_c *type) {
if (NULL == type) {return false;}
if (typeid(*type) == typeid(invalid_type_name_c)) {return false;}
return true;
}
bool get_datatype_info_c::is_sfc_initstep(symbol_c *type_symbol) {
symbol_c *type_decl = search_base_type_c::get_basetype_decl(type_symbol);
if (NULL == type_decl) {return false;}
if (typeid(*type_decl) == typeid(initial_step_c)) {return true;} /* INITIAL_STEP step_name ':' action_association_list END_STEP */ /* A pseudo data type! */
return false;
}
bool get_datatype_info_c::is_sfc_step(symbol_c *type_symbol) {
symbol_c *type_decl = search_base_type_c::get_basetype_decl(type_symbol);
if (NULL == type_decl) {return false;}
if (typeid(*type_decl) == typeid(initial_step_c)) {return true;} /* INITIAL_STEP step_name ':' action_association_list END_STEP */ /* A pseudo data type! */
if (typeid(*type_decl) == typeid( step_c)) {return true;} /* STEP step_name ':' action_association_list END_STEP */ /* A pseudo data type! */
return false;
}
bool get_datatype_info_c::is_function_block(symbol_c *type_symbol) {
symbol_c *type_decl = search_base_type_c::get_basetype_decl(type_symbol);
if (NULL == type_decl) {return false;}
if (typeid(*type_decl) == typeid(function_block_declaration_c)) {return true;} /* FUNCTION_BLOCK derived_function_block_name io_OR_other_var_declarations function_block_body END_FUNCTION_BLOCK */
return false;
}
bool get_datatype_info_c::is_subrange(symbol_c *type_symbol) {
symbol_c *type_decl = search_base_type_c::get_equivtype_decl(type_symbol); /* NOTE: do NOT call search_base_type_c !! */
if (NULL == type_decl) {return false;}
if (typeid(*type_decl) == typeid(subrange_type_declaration_c)) {return true;} /* subrange_type_name ':' subrange_spec_init */
if (typeid(*type_decl) == typeid(subrange_spec_init_c)) {return true;} /* subrange_specification ASSIGN signed_integer */
if (typeid(*type_decl) == typeid(subrange_specification_c)) {return true;} /* integer_type_name '(' subrange')' */
if (typeid(*type_decl) == typeid(subrange_c)) {ERROR;} /* signed_integer DOTDOT signed_integer */
return false;
}
bool get_datatype_info_c::is_enumerated(symbol_c *type_symbol) {
symbol_c *type_decl = search_base_type_c::get_basetype_decl(type_symbol);
if (NULL == type_decl) {return false;}
if (typeid(*type_decl) == typeid(enumerated_type_declaration_c)) {return true;} /* enumerated_type_name ':' enumerated_spec_init */
if (typeid(*type_decl) == typeid(enumerated_spec_init_c)) {return true;} /* enumerated_specification ASSIGN enumerated_value */
if (typeid(*type_decl) == typeid(enumerated_value_list_c)) {return true;} /* enumerated_value_list ',' enumerated_value */ /* once we change the way we handle enums, this will probably become an ERROR! */
if (typeid(*type_decl) == typeid(enumerated_value_c)) {ERROR;} /* enumerated_type_name '#' identifier */
return false;
}
bool get_datatype_info_c::is_array(symbol_c *type_symbol) {
symbol_c *type_decl = search_base_type_c::get_basetype_decl(type_symbol);
if (NULL == type_decl) {return false;}
if (typeid(*type_decl) == typeid(array_type_declaration_c)) {return true;} /* identifier ':' array_spec_init */
if (typeid(*type_decl) == typeid(array_spec_init_c)) {return true;} /* array_specification [ASSIGN array_initialization} */
if (typeid(*type_decl) == typeid(array_specification_c)) {return true;} /* ARRAY '[' array_subrange_list ']' OF non_generic_type_name */
if (typeid(*type_decl) == typeid(array_subrange_list_c)) {ERROR;} /* array_subrange_list ',' subrange */
if (typeid(*type_decl) == typeid(array_initial_elements_list_c)) {ERROR;} /* array_initialization: '[' array_initial_elements_list ']' */ /* array_initial_elements_list ',' array_initial_elements */
if (typeid(*type_decl) == typeid(array_initial_elements_c)) {ERROR;} /* integer '(' [array_initial_element] ')' */
return false;
}
bool get_datatype_info_c::is_structure(symbol_c *type_symbol) {
symbol_c *type_decl = search_base_type_c::get_basetype_decl(type_symbol);
if (NULL == type_decl) {return false;}
if (typeid(*type_decl) == typeid(structure_type_declaration_c)) {return true;} /* structure_type_name ':' structure_specification */
if (typeid(*type_decl) == typeid(initialized_structure_c)) {return true;} /* structure_type_name ASSIGN structure_initialization */
if (typeid(*type_decl) == typeid(structure_element_declaration_list_c)) {return true;} /* structure_declaration: STRUCT structure_element_declaration_list END_STRUCT */ /* structure_element_declaration_list structure_element_declaration ';' */
if (typeid(*type_decl) == typeid(structure_element_declaration_c)) {ERROR;} /* structure_element_name ':' *_spec_init */
if (typeid(*type_decl) == typeid(structure_element_initialization_list_c)) {ERROR;} /* structure_initialization: '(' structure_element_initialization_list ')' */ /* structure_element_initialization_list ',' structure_element_initialization */
if (typeid(*type_decl) == typeid(structure_element_initialization_c)) {ERROR;} /* structure_element_name ASSIGN value */
return false;
}
bool get_datatype_info_c::is_ANY_ELEMENTARY(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_MAGNITUDE(type_symbol)) {return true;}
if (is_ANY_BIT (type_symbol)) {return true;}
if (is_ANY_STRING (type_symbol)) {return true;}
if (is_ANY_DATE (type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_SAFEELEMENTARY(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_SAFEMAGNITUDE(type_symbol)) {return true;}
if (is_ANY_SAFEBIT (type_symbol)) {return true;}
if (is_ANY_SAFESTRING (type_symbol)) {return true;}
if (is_ANY_SAFEDATE (type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_ELEMENTARY_compatible(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_ELEMENTARY (type_symbol)) {return true;}
if (is_ANY_SAFEELEMENTARY(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_MAGNITUDE(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_TIME(type_symbol)) {return true;}
if (is_ANY_NUM(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_SAFEMAGNITUDE(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_SAFETIME(type_symbol)) {return true;}
if (is_ANY_SAFENUM(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_MAGNITUDE_compatible(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_MAGNITUDE (type_symbol)) {return true;}
if (is_ANY_SAFEMAGNITUDE(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_signed_MAGNITUDE(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(time_type_name_c)) {return true;}
if (is_ANY_signed_NUM(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_signed_SAFEMAGNITUDE(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(safetime_type_name_c)) {return true;}
return is_ANY_signed_SAFENUM(type_symbol);
}
bool get_datatype_info_c::is_ANY_signed_MAGNITUDE_compatible(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_signed_MAGNITUDE (type_symbol)) {return true;}
if (is_ANY_signed_SAFEMAGNITUDE(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_NUM(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_REAL(type_symbol)) {return true;}
if (is_ANY_INT (type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_SAFENUM(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_SAFEREAL(type_symbol)) {return true;}
if (is_ANY_SAFEINT (type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_NUM_compatible(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_NUM (type_symbol)) {return true;}
if (is_ANY_SAFENUM(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_signed_NUM(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_REAL (type_symbol)) {return true;}
if (is_ANY_signed_INT(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_signed_SAFENUM(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_SAFEREAL (type_symbol)) {return true;}
if (is_ANY_signed_SAFEINT(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_signed_NUM_compatible(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_signed_NUM (type_symbol)) {return true;}
if (is_ANY_signed_SAFENUM(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_INT(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_signed_INT (type_symbol)) {return true;}
if (is_ANY_unsigned_INT(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_SAFEINT(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_signed_SAFEINT (type_symbol)) {return true;}
if (is_ANY_unsigned_SAFEINT(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_INT_compatible(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_INT (type_symbol)) {return true;}
if (is_ANY_SAFEINT(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_signed_INT(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(sint_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(int_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(dint_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(lint_type_name_c)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_signed_SAFEINT(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(safesint_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(safeint_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(safedint_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(safelint_type_name_c)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_signed_INT_compatible(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_signed_INT (type_symbol)) {return true;}
if (is_ANY_signed_SAFEINT(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_unsigned_INT(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(usint_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(uint_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(udint_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(ulint_type_name_c)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_unsigned_SAFEINT(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(safeusint_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(safeuint_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(safeudint_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(safeulint_type_name_c)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_unsigned_INT_compatible(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_unsigned_INT (type_symbol)) {return true;}
if (is_ANY_unsigned_SAFEINT(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_REAL(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(real_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(lreal_type_name_c)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_SAFEREAL(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(safereal_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(safelreal_type_name_c)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_REAL_compatible(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_REAL (type_symbol)) {return true;}
if (is_ANY_SAFEREAL(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_nBIT(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(byte_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(word_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(dword_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(lword_type_name_c)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_SAFEnBIT(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(safebyte_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(safeword_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(safedword_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(safelword_type_name_c)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_nBIT_compatible(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_nBIT (type_symbol)) {return true;}
if (is_ANY_SAFEnBIT(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_BOOL(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(bool_type_name_c)) {return true;}
return false;
}
bool get_datatype_info_c::is_SAFEBOOL(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(safebool_type_name_c)) {return true;}
return false;
}
bool get_datatype_info_c::is_BOOL_compatible(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_BOOL (type_symbol)) {return true;}
if (is_SAFEBOOL(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_BIT(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_BOOL (type_symbol)) {return true;}
if (is_ANY_nBIT(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_SAFEBIT(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_SAFEBOOL (type_symbol)) {return true;}
if (is_ANY_SAFEnBIT(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_BIT_compatible(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_BIT (type_symbol)) {return true;}
if (is_ANY_SAFEBIT(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_TIME(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(time_type_name_c)) {return true;}
return false;
}
bool get_datatype_info_c::is_SAFETIME(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(safetime_type_name_c)) {return true;}
return false;
}
bool get_datatype_info_c::is_TIME_compatible(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_TIME (type_symbol)) {return true;}
if (is_SAFETIME(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_DATE(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(date_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(tod_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(dt_type_name_c)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_SAFEDATE(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(safedate_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(safetod_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(safedt_type_name_c)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_DATE_compatible(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_DATE (type_symbol)) {return true;}
if (is_ANY_SAFEDATE(type_symbol)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_STRING(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(string_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(wstring_type_name_c)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_SAFESTRING(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (typeid(*type_symbol) == typeid(safestring_type_name_c)) {return true;}
if (typeid(*type_symbol) == typeid(safewstring_type_name_c)) {return true;}
return false;
}
bool get_datatype_info_c::is_ANY_STRING_compatible(symbol_c *type_symbol) {
if (type_symbol == NULL) {return false;}
if (is_ANY_STRING (type_symbol)) {return true;}
if (is_ANY_SAFESTRING(type_symbol)) {return true;}
return false;
}
/* Can't we do away with this?? */
bool get_datatype_info_c::is_ANY_REAL_literal(symbol_c *type_symbol) {
if (type_symbol == NULL) {return true;} /* Please make sure things will work correctly before changing this to false!! */
if (typeid(*type_symbol) == typeid(real_c)) {return true;}
if (typeid(*type_symbol) == typeid(neg_real_c)) {return true;}
return false;
}
/* Can't we do away with this?? */
bool get_datatype_info_c::is_ANY_INT_literal(symbol_c *type_symbol) {
if (type_symbol == NULL) {return true;} /* Please make sure things will work correctly before changing this to false!! */
if (typeid(*type_symbol) == typeid(integer_c)) {return true;}
if (typeid(*type_symbol) == typeid(neg_integer_c)) {return true;}
if (typeid(*type_symbol) == typeid(binary_integer_c)) {return true;}
if (typeid(*type_symbol) == typeid(octal_integer_c)) {return true;}
if (typeid(*type_symbol) == typeid(hex_integer_c)) {return true;}
return false;
}
invalid_type_name_c get_datatype_info_c::invalid_type_name;
/**********************/
/* B.1.3 - Data types */
/**********************/
/***********************************/
/* B 1.3.1 - Elementary Data Types */
/***********************************/
lreal_type_name_c get_datatype_info_c::lreal_type_name;
real_type_name_c get_datatype_info_c::real_type_name;
lint_type_name_c get_datatype_info_c::lint_type_name;
dint_type_name_c get_datatype_info_c::dint_type_name;
int_type_name_c get_datatype_info_c::int_type_name;
sint_type_name_c get_datatype_info_c::sint_type_name;
ulint_type_name_c get_datatype_info_c::ulint_type_name;
udint_type_name_c get_datatype_info_c::udint_type_name;
uint_type_name_c get_datatype_info_c::uint_type_name;
usint_type_name_c get_datatype_info_c::usint_type_name;
lword_type_name_c get_datatype_info_c::lword_type_name;
dword_type_name_c get_datatype_info_c::dword_type_name;
word_type_name_c get_datatype_info_c::word_type_name;
byte_type_name_c get_datatype_info_c::byte_type_name;
bool_type_name_c get_datatype_info_c::bool_type_name;
wstring_type_name_c get_datatype_info_c::wstring_type_name;
string_type_name_c get_datatype_info_c::string_type_name;
dt_type_name_c get_datatype_info_c::dt_type_name;
date_type_name_c get_datatype_info_c::date_type_name;
tod_type_name_c get_datatype_info_c::tod_type_name;
time_type_name_c get_datatype_info_c::time_type_name;
/******************************************************/
/* Extensions to the base standard as defined in */
/* "Safety Software Technical Specification, */
/* Part 1: Concepts and Function Blocks, */
/* Version 1.0 – Official Release" */
/* by PLCopen - Technical Committee 5 - 2006-01-31 */
/******************************************************/
safelreal_type_name_c get_datatype_info_c::safelreal_type_name;
safereal_type_name_c get_datatype_info_c::safereal_type_name;
safelint_type_name_c get_datatype_info_c::safelint_type_name;
safedint_type_name_c get_datatype_info_c::safedint_type_name;
safeint_type_name_c get_datatype_info_c::safeint_type_name;
safesint_type_name_c get_datatype_info_c::safesint_type_name;
safeulint_type_name_c get_datatype_info_c::safeulint_type_name;
safeudint_type_name_c get_datatype_info_c::safeudint_type_name;
safeuint_type_name_c get_datatype_info_c::safeuint_type_name;
safeusint_type_name_c get_datatype_info_c::safeusint_type_name;
safelword_type_name_c get_datatype_info_c::safelword_type_name;
safedword_type_name_c get_datatype_info_c::safedword_type_name;
safeword_type_name_c get_datatype_info_c::safeword_type_name;
safebyte_type_name_c get_datatype_info_c::safebyte_type_name;
safebool_type_name_c get_datatype_info_c::safebool_type_name;
safewstring_type_name_c get_datatype_info_c::safewstring_type_name;
safestring_type_name_c get_datatype_info_c::safestring_type_name;
safedt_type_name_c get_datatype_info_c::safedt_type_name;
safedate_type_name_c get_datatype_info_c::safedate_type_name;
safetod_type_name_c get_datatype_info_c::safetod_type_name;
safetime_type_name_c get_datatype_info_c::safetime_type_name;