msousa@666: /*
msousa@666: * matiec - a compiler for the programming languages defined in IEC 61131-3
msousa@666: *
msousa@666: * Copyright (C) 2003-2012 Mario de Sousa (msousa@fe.up.pt)
msousa@666: * Copyright (C) 2007-2011 Laurent Bessard and Edouard Tisserant
msousa@676: * Copyright (C) 2012 Manuele Conti (conti.ma@alice.it)
msousa@666: *
msousa@666: * This program is free software: you can redistribute it and/or modify
msousa@666: * it under the terms of the GNU General Public License as published by
msousa@666: * the Free Software Foundation, either version 3 of the License, or
msousa@666: * (at your option) any later version.
msousa@666: *
msousa@666: * This program is distributed in the hope that it will be useful,
msousa@666: * but WITHOUT ANY WARRANTY; without even the implied warranty of
msousa@666: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
msousa@666: * GNU General Public License for more details.
msousa@666: *
msousa@666: * You should have received a copy of the GNU General Public License
msousa@666: * along with this program. If not, see .
msousa@666: *
msousa@666: *
msousa@666: * This code is made available on the understanding that it will not be
msousa@666: * used in safety-critical situations without a full and competent review.
msousa@666: */
msousa@666:
msousa@666: /*
msousa@666: * An IEC 61131-3 compiler.
msousa@666: *
msousa@666: * Based on the
msousa@666: * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
msousa@666: *
msousa@666: */
msousa@666:
msousa@666: /* Determine the characteristics of a specific data type
msousa@666: * e.g., is it an enumeration, is it an array, is it ANY_INT, etc...
msousa@666: *
msousa@666: * The methods of this class may be passed either:
msousa@666: * - a data type declaration symbol_c,
msousa@666: * OR
msousa@666: * - the name of a data type (identifier_c)
msousa@666: * In this case, we shall first serach for the basetype declaration using search_base_type_c, and then
msousa@666: * run the normal process.
msousa@666: */
msousa@666: #include "absyntax_utils.hh"
msousa@666:
msousa@666: #include "../main.hh" // required for ERROR() and ERROR_MSG() macros.
msousa@666:
msousa@666:
msousa@666:
msousa@666: #include // required for typeid
msousa@666:
msousa@666:
msousa@727: /**********************************************************/
msousa@727: /**********************************************************/
msousa@727: /**********************************************************/
msousa@727: /***** *****/
msousa@727: /***** *****/
msousa@727: /***** Some helper classes *****/
msousa@727: /***** *****/
msousa@727: /***** *****/
msousa@727: /**********************************************************/
msousa@727: /**********************************************************/
msousa@727: /**********************************************************/
msousa@727:
mjsousa@938:
mjsousa@938: /****************************************************************************************************/
mjsousa@938: /****************************************************************************************************/
msousa@727: /* Return the identifier (name) of a datatype, typically declared in a TYPE .. END_TYPE declaration */
mjsousa@938: /****************************************************************************************************/
mjsousa@938: /****************************************************************************************************/
msousa@727: class get_datatype_id_c: null_visitor_c {
msousa@727: private:
msousa@727: static get_datatype_id_c *singleton;
msousa@727:
msousa@727: public:
msousa@727: static symbol_c *get_id(symbol_c *symbol) {
msousa@727: if (NULL == singleton) singleton = new get_datatype_id_c();
msousa@727: if (NULL == singleton) ERROR;
msousa@727: return (symbol_c *)symbol->accept(*singleton);
msousa@727: }
msousa@727:
msousa@727: protected:
mjsousa@929: /***********************************/
mjsousa@929: /* B 1.3.1 - Elementary Data Types */
mjsousa@929: /***********************************/
mjsousa@929: void *visit(time_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(bool_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(sint_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(int_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(dint_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(lint_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(usint_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(uint_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(udint_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(ulint_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(real_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(lreal_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(date_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(tod_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(dt_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(byte_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(word_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(lword_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(dword_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(string_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(wstring_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929:
mjsousa@929: void *visit(safetime_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safebool_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safesint_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safeint_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safedint_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safelint_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safeusint_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safeuint_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safeudint_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safeulint_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safereal_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safelreal_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safedate_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safetod_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safedt_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safebyte_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safeword_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safelword_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safedword_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safestring_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929: void *visit(safewstring_type_name_c *symbol) {return (void *)symbol;};
mjsousa@929:
msousa@727: /********************************/
msousa@727: /* B 1.3.3 - Derived data types */
msousa@727: /********************************/
msousa@727: /* simple_type_name ':' simple_spec_init */
mjsousa@909: void *visit(simple_type_declaration_c *symbol) {return symbol->simple_type_name;}
msousa@727: /* subrange_type_name ':' subrange_spec_init */
mjsousa@909: void *visit(subrange_type_declaration_c *symbol) {return symbol->subrange_type_name;}
msousa@727: /* enumerated_type_name ':' enumerated_spec_init */
msousa@727: void *visit(enumerated_type_declaration_c *symbol) {return symbol->enumerated_type_name;}
msousa@727: /* identifier ':' array_spec_init */
mjsousa@909: void *visit(array_type_declaration_c *symbol) {return symbol->identifier;}
msousa@727: /* structure_type_name ':' structure_specification */
mjsousa@909: void *visit(structure_type_declaration_c *symbol) {return symbol->structure_type_name;}
msousa@727: /* string_type_name ':' elementary_string_type_name string_type_declaration_size string_type_declaration_init */
mjsousa@909: void *visit(string_type_declaration_c *symbol) {return symbol->string_type_name;}
mjsousa@909: /* ref_type_decl: identifier ':' ref_spec_init */
mjsousa@909: void *visit(ref_type_decl_c *symbol) {return symbol->ref_type_name;}
mjsousa@929: /* NOTE: DO NOT place any code here that references symbol->anotations_map["generate_c_annotaton__implicit_type_id"] !!
mjsousa@929: * All anotations in the symbol->anotations_map[] are considered a stage4 construct. In the above example,
mjsousa@929: * That anotation is specific to the generate_c stage4 code, and must therefore NOT be referenced
mjsousa@929: * in the absyntax_utils code, as this last code should be independent of the stage4 version!
mjsousa@929: */
msousa@727:
msousa@727: /*****************************/
msousa@727: /* B 1.5.2 - Function Blocks */
msousa@727: /*****************************/
msousa@727: /* FUNCTION_BLOCK derived_function_block_name io_OR_other_var_declarations function_block_body END_FUNCTION_BLOCK */
mjsousa@909: void *visit(function_block_declaration_c *symbol) {return symbol->fblock_name;}
msousa@727: }; // get_datatype_id_c
msousa@727:
msousa@727: get_datatype_id_c *get_datatype_id_c::singleton = NULL;
msousa@727:
msousa@727:
msousa@727:
msousa@727:
mjsousa@938:
mjsousa@938:
mjsousa@938: /**************************************************/
mjsousa@938: /**************************************************/
mjsousa@938: /* transform elementary data type class to string */
mjsousa@938: /**************************************************/
mjsousa@938: /**************************************************/
msousa@778:
msousa@778: /* A small helper class, to transform elementary data type to string.
msousa@778: * this allows us to generate more relevant error messages...
msousa@778: */
msousa@778:
msousa@778: class get_datatype_id_str_c: public null_visitor_c {
msousa@778: protected:
msousa@778: get_datatype_id_str_c(void) {};
msousa@778: ~get_datatype_id_str_c(void) {};
msousa@778:
msousa@778: private:
msousa@778: /* singleton class! */
msousa@778: static get_datatype_id_str_c *singleton;
msousa@778:
msousa@778: public:
msousa@778: static const char *get_id_str(symbol_c *symbol) {
msousa@778: if (NULL == singleton) singleton = new get_datatype_id_str_c;
msousa@778: if (NULL == singleton) ERROR;
msousa@778: const char *res = (const char *)symbol->accept(*singleton);
msousa@778: if (NULL == res) ERROR;
msousa@778: return res;
msousa@778: }
msousa@778:
msousa@778:
msousa@778: /*************************/
msousa@778: /* B.1 - Common elements */
msousa@778: /*************************/
msousa@778: /*******************************************/
msousa@778: /* B 1.1 - Letters, digits and identifiers */
msousa@778: /*******************************************/
msousa@778: void *visit(identifier_c *symbol) {return (void *)symbol->value;};
msousa@778:
msousa@778: /***********************************/
msousa@778: /* B 1.3.1 - Elementary Data Types */
msousa@778: /***********************************/
msousa@778: void *visit(time_type_name_c *symbol) {return (void *)"TIME"; };
msousa@778: void *visit(bool_type_name_c *symbol) {return (void *)"BOOL"; };
msousa@778: void *visit(sint_type_name_c *symbol) {return (void *)"SINT"; };
msousa@778: void *visit(int_type_name_c *symbol) {return (void *)"INT"; };
msousa@778: void *visit(dint_type_name_c *symbol) {return (void *)"DINT"; };
msousa@778: void *visit(lint_type_name_c *symbol) {return (void *)"LINT"; };
msousa@778: void *visit(usint_type_name_c *symbol) {return (void *)"USINT"; };
msousa@778: void *visit(uint_type_name_c *symbol) {return (void *)"UINT"; };
msousa@778: void *visit(udint_type_name_c *symbol) {return (void *)"UDINT"; };
msousa@778: void *visit(ulint_type_name_c *symbol) {return (void *)"ULINT"; };
msousa@778: void *visit(real_type_name_c *symbol) {return (void *)"REAL"; };
msousa@778: void *visit(lreal_type_name_c *symbol) {return (void *)"LREAL"; };
msousa@778: void *visit(date_type_name_c *symbol) {return (void *)"DATE"; };
msousa@778: void *visit(tod_type_name_c *symbol) {return (void *)"TOD"; };
msousa@778: void *visit(dt_type_name_c *symbol) {return (void *)"DT"; };
msousa@778: void *visit(byte_type_name_c *symbol) {return (void *)"BYTE"; };
msousa@778: void *visit(word_type_name_c *symbol) {return (void *)"WORD"; };
msousa@778: void *visit(lword_type_name_c *symbol) {return (void *)"LWORD"; };
msousa@778: void *visit(dword_type_name_c *symbol) {return (void *)"DWORD"; };
msousa@778: void *visit(string_type_name_c *symbol) {return (void *)"STRING"; };
msousa@778: void *visit(wstring_type_name_c *symbol) {return (void *)"WSTRING"; };
msousa@778:
msousa@778: void *visit(safetime_type_name_c *symbol) {return (void *)"SAFETIME"; };
msousa@778: void *visit(safebool_type_name_c *symbol) {return (void *)"SAFEBOOL"; };
msousa@778: void *visit(safesint_type_name_c *symbol) {return (void *)"SAFESINT"; };
msousa@778: void *visit(safeint_type_name_c *symbol) {return (void *)"SAFEINT"; };
msousa@778: void *visit(safedint_type_name_c *symbol) {return (void *)"SAFEDINT"; };
msousa@778: void *visit(safelint_type_name_c *symbol) {return (void *)"SAFELINT"; };
msousa@778: void *visit(safeusint_type_name_c *symbol) {return (void *)"SAFEUSINT"; };
msousa@778: void *visit(safeuint_type_name_c *symbol) {return (void *)"SAFEUINT"; };
msousa@778: void *visit(safeudint_type_name_c *symbol) {return (void *)"SAFEUDINT"; };
msousa@778: void *visit(safeulint_type_name_c *symbol) {return (void *)"SAFEULINT"; };
msousa@778: void *visit(safereal_type_name_c *symbol) {return (void *)"SAFEREAL"; };
msousa@778: void *visit(safelreal_type_name_c *symbol) {return (void *)"SAFELREAL"; };
msousa@778: void *visit(safedate_type_name_c *symbol) {return (void *)"SAFEDATE"; };
msousa@778: void *visit(safetod_type_name_c *symbol) {return (void *)"SAFETOD"; };
msousa@778: void *visit(safedt_type_name_c *symbol) {return (void *)"SAFEDT"; };
msousa@778: void *visit(safebyte_type_name_c *symbol) {return (void *)"SAFEBYTE"; };
msousa@778: void *visit(safeword_type_name_c *symbol) {return (void *)"SAFEWORD"; };
msousa@778: void *visit(safelword_type_name_c *symbol) {return (void *)"SAFELWORD"; };
msousa@778: void *visit(safedword_type_name_c *symbol) {return (void *)"SAFEDWORD"; };
msousa@778: void *visit(safestring_type_name_c *symbol) {return (void *)"SAFESTRING"; };
msousa@778: void *visit(safewstring_type_name_c *symbol) {return (void *)"SAFEWSTRING"; };
msousa@778:
msousa@778: /********************************/
msousa@778: /* B 1.3.3 - Derived data types */
msousa@778: /********************************/
msousa@778: /* simple_type_name ':' simple_spec_init */
mjsousa@909: void *visit(simple_type_declaration_c *symbol) {return symbol->simple_type_name->accept(*this);}
msousa@778: /* subrange_type_name ':' subrange_spec_init */
mjsousa@909: void *visit(subrange_type_declaration_c *symbol) {return symbol->subrange_type_name->accept(*this);}
msousa@778: /* enumerated_type_name ':' enumerated_spec_init */
msousa@778: void *visit(enumerated_type_declaration_c *symbol) {return symbol->enumerated_type_name->accept(*this);}
msousa@778: /* identifier ':' array_spec_init */
mjsousa@909: void *visit(array_type_declaration_c *symbol) {return symbol->identifier->accept(*this);}
msousa@778: /* structure_type_name ':' structure_specification */
mjsousa@909: void *visit(structure_type_declaration_c *symbol) {return symbol->structure_type_name->accept(*this);}
msousa@778: /* string_type_name ':' elementary_string_type_name string_type_declaration_size string_type_declaration_init */
mjsousa@909: void *visit(string_type_declaration_c *symbol) {return symbol->string_type_name->accept(*this);}
mjsousa@909: /* ref_type_decl: identifier ':' ref_spec_init */
mjsousa@909: void *visit(ref_type_decl_c *symbol) {return symbol->ref_type_name->accept(*this);}
mjsousa@929: /* NOTE: DO NOT place any code here that references symbol->anotations_map["generate_c_annotaton__implicit_type_id"] !!
mjsousa@929: * All anotations in the symbol->anotations_map[] are considered a stage4 construct. In the above example,
mjsousa@929: * That anotation is specific to the generate_c stage4 code, and must therefore NOT be referenced
mjsousa@929: * in the absyntax_utils code, as this last code should be independent of the stage4 version!
mjsousa@929: */
msousa@778:
msousa@778: /*****************************/
msousa@778: /* B 1.5.2 - Function Blocks */
msousa@778: /*****************************/
msousa@778: /* FUNCTION_BLOCK derived_function_block_name io_OR_other_var_declarations function_block_body END_FUNCTION_BLOCK */
mjsousa@909: void *visit(function_block_declaration_c *symbol) {return symbol->fblock_name->accept(*this);}
msousa@778: };
msousa@778:
msousa@778: get_datatype_id_str_c *get_datatype_id_str_c::singleton = NULL;
msousa@778:
msousa@727:
msousa@727:
mjsousa@938: /*********************************************************/
mjsousa@938: /*********************************************************/
mjsousa@938: /* get the datatype of a field inside a struct data type */
mjsousa@938: /*********************************************************/
mjsousa@938: /*********************************************************/
mjsousa@938:
mjsousa@938: class get_struct_info_c : null_visitor_c {
mjsousa@938: private:
mjsousa@938: symbol_c *current_field;
mjsousa@938: /* singleton class! */
mjsousa@938: static get_struct_info_c *singleton;
mjsousa@938:
mjsousa@938: public:
mjsousa@938: get_struct_info_c(void) {current_field = NULL;}
mjsousa@938:
mjsousa@938: static symbol_c *get_field_type_id(symbol_c *struct_type, symbol_c *field_name) {
mjsousa@938: if (NULL == singleton) singleton = new get_struct_info_c;
mjsousa@938: if (NULL == singleton) ERROR;
mjsousa@938: singleton->current_field = field_name;
mjsousa@938: return (symbol_c *)struct_type->accept(*singleton);
mjsousa@938: }
mjsousa@938:
mjsousa@938:
mjsousa@938: private:
mjsousa@938: /*************************/
mjsousa@938: /* B.1 - Common elements */
mjsousa@938: /*************************/
mjsousa@938: /********************************/
mjsousa@938: /* B 1.3.3 - Derived data types */
mjsousa@938: /********************************/
mjsousa@938: /* structure_type_name ':' structure_specification */
mjsousa@938: /* NOTE: this is only used inside a TYPE ... END_TYPE declaration. It is never used directly when declaring a new variable! */
mjsousa@938: /* NOTE: structure_specification will point to either initialized_structure_c OR structure_element_declaration_list_c */
mjsousa@938: void *visit(structure_type_declaration_c *symbol) {return symbol->structure_specification->accept(*this);}
mjsousa@938:
mjsousa@938: /* structure_type_name ASSIGN structure_initialization */
mjsousa@938: /* structure_initialization may be NULL ! */
mjsousa@938: // SYM_REF2(initialized_structure_c, structure_type_name, structure_initialization)
mjsousa@938: /* NOTE: only the initialized structure is never used when declaring a new variable instance */
mjsousa@938: void *visit(initialized_structure_c *symbol) {return symbol->structure_type_name->accept(*this);}
mjsousa@938:
mjsousa@938: /* helper symbol for structure_declaration */
mjsousa@938: /* structure_declaration: STRUCT structure_element_declaration_list END_STRUCT */
mjsousa@938: /* structure_element_declaration_list structure_element_declaration ';' */
mjsousa@938: void *visit(structure_element_declaration_list_c *symbol) {
mjsousa@938: /* now search the structure declaration */
mjsousa@938: for(int i = 0; i < symbol->n; i++) {
mjsousa@938: void *tmp = symbol->elements[i]->accept(*this);
mjsousa@938: if (NULL != tmp) return tmp;
mjsousa@938: }
mjsousa@938: return NULL; // not found!!
mjsousa@938: }
mjsousa@938:
mjsousa@938: /* structure_element_name ':' spec_init */
mjsousa@938: void *visit(structure_element_declaration_c *symbol) {
mjsousa@938: if (compare_identifiers(symbol->structure_element_name, current_field) == 0)
mjsousa@938: return symbol->spec_init; /* found the type of the element we were looking for! */
mjsousa@938: return NULL; /* not the element we are looking for! */
mjsousa@938: }
mjsousa@938:
mjsousa@938:
mjsousa@938: /* helper symbol for structure_initialization */
mjsousa@938: /* structure_initialization: '(' structure_element_initialization_list ')' */
mjsousa@938: /* structure_element_initialization_list ',' structure_element_initialization */
mjsousa@938: void *visit(structure_element_initialization_list_c *symbol) {ERROR; return NULL;} /* should never get called... */
mjsousa@938: /* structure_element_name ASSIGN value */
mjsousa@938: void *visit(structure_element_initialization_c *symbol) {ERROR; return NULL;} /* should never get called... */
mjsousa@938:
mjsousa@938:
mjsousa@938: /**************************************/
mjsousa@938: /* B.1.5 - Program organization units */
mjsousa@938: /**************************************/
mjsousa@938: /*****************************/
mjsousa@938: /* B 1.5.2 - Function Blocks */
mjsousa@938: /*****************************/
mjsousa@938: /* FUNCTION_BLOCK derived_function_block_name io_OR_other_var_declarations function_block_body END_FUNCTION_BLOCK */
mjsousa@938: // SYM_REF4(function_block_declaration_c, fblock_name, var_declarations, fblock_body, unused)
mjsousa@938: void *visit(function_block_declaration_c *symbol) {
mjsousa@938: /* now search the function block declaration for the variable... */
mjsousa@938: search_var_instance_decl_c search_decl(symbol);
mjsousa@938: return search_decl.get_decl(current_field);
mjsousa@938: }
mjsousa@938:
mjsousa@938: /*********************************************/
mjsousa@938: /* B.1.6 Sequential function chart elements */
mjsousa@938: /*********************************************/
mjsousa@938: /* INITIAL_STEP step_name ':' action_association_list END_STEP */
mjsousa@938: // SYM_REF2(initial_step_c, step_name, action_association_list)
mjsousa@938: void *visit(initial_step_c *symbol) {
mjsousa@938: identifier_c T("T"); identifier_c X("X");
mjsousa@938: /* Hard code the datatypes of the implicit variables Stepname.X and Stepname.T */
mjsousa@938: if (compare_identifiers(&T, current_field) == 0) return &get_datatype_info_c::time_type_name;
mjsousa@938: if (compare_identifiers(&X, current_field) == 0) return &get_datatype_info_c::bool_type_name;
mjsousa@938: return NULL;
mjsousa@938: }
mjsousa@938:
mjsousa@938: /* STEP step_name ':' action_association_list END_STEP */
mjsousa@938: // SYM_REF2(step_c, step_name, action_association_list)
mjsousa@938: /* The code here should be identicial to the code in the visit(initial_step_c *) visitor! So we simply call the other visitor! */
mjsousa@938: void *visit(step_c *symbol) {initial_step_c initial_step(NULL, NULL); return initial_step.accept(*this);}
mjsousa@938:
mjsousa@938: }; // get_struct_info_c
mjsousa@938:
mjsousa@938: get_struct_info_c *get_struct_info_c::singleton = NULL;
mjsousa@938:
mjsousa@938:
mjsousa@938:
mjsousa@938:
mjsousa@938:
msousa@727: /**********************************************************/
msousa@727: /**********************************************************/
msousa@727: /**********************************************************/
msousa@727: /***** *****/
msousa@727: /***** *****/
msousa@727: /***** GET_DATATYPE_INFO_C *****/
msousa@727: /***** *****/
msousa@727: /***** *****/
msousa@727: /**********************************************************/
msousa@727: /**********************************************************/
msousa@727: /**********************************************************/
msousa@727:
msousa@778: const char *get_datatype_info_c::get_id_str(symbol_c *datatype) {
msousa@778: return get_datatype_id_str_c::get_id_str(datatype);
msousa@778: }
msousa@778:
msousa@778:
msousa@778: symbol_c *get_datatype_info_c::get_id(symbol_c *datatype) {
msousa@727: return get_datatype_id_c::get_id(datatype);
msousa@727: }
msousa@666:
msousa@676:
mjsousa@938: symbol_c *get_datatype_info_c::get_struct_field_type_id(symbol_c *struct_datatype, symbol_c *struct_fieldname) {
mjsousa@938: return get_struct_info_c::get_field_type_id(struct_datatype, struct_fieldname);
mjsousa@938: }
mjsousa@938:
mjsousa@939: symbol_c *get_datatype_info_c::get_array_storedtype_id(symbol_c *type_symbol) {
mjsousa@939: // returns the datatype of the variables stored in the array
mjsousa@939: symbol_c *basetype = search_base_type_c::get_basetype_decl(type_symbol);
mjsousa@939: array_specification_c *symbol = dynamic_cast(basetype);
mjsousa@939:
mjsousa@939: if (NULL != symbol)
mjsousa@939: return symbol->non_generic_type_name;
mjsousa@939: return NULL; // this is not an array!
mjsousa@939: }
mjsousa@939:
mjsousa@939:
mjsousa@922: /* Returns true if both datatypes are equivalent (not necessarily equal!).
mjsousa@922: * WARNING: May return true even though the datatypes are not the same/identicial!!!
mjsousa@922: * This occurs when at least one of the datatypes is of a generic
mjsousa@922: * datatype (or a REF_TO a generic datatype).
mjsousa@922: * (Generic dataypes: ANY, ANY_INT, ANY_NUM, ...)
mjsousa@922: * NOTE: Currently only the ANY generic datatype is implemented!
mjsousa@922: * NOTE: Currently stage1_2 only allows the use of the ANY keyword when in conjuntion with
mjsousa@922: * the REF_TO keyword (i.e. REF_TO ANY), so when handling non REF_TO datatypes,
mjsousa@922: * this function will currently only return true if the dataypes are identicial.
mjsousa@921: */
mjsousa@929:
mjsousa@929: /* NOTE: Currently the datatype model used by matiec considers any implicitly defined datatype
mjsousa@929: * (e.g. an array datatype defined in the variable declaration itself, instead of inside a TYPE ... END_TYPE
mjsousa@929: * construct) to be different (i.e. not the same datatype, and therefore not compatible) to any other
mjsousa@929: * datatype, including with datatypes declared identically to the implicit datatype.
mjsousa@929: * e.g.
mjsousa@929: * TYPE my_array_t: ARRAY [1..3] OF INT; END_TYPE;
mjsousa@929: * FUNCTION_BLOCK FOO
mjsousa@929: * VAR my_array: ARRAY [1..3] OF INT; END_VAR
mjsousa@929: * ...
mjsousa@929: * END_FUNCTION_BLOCK
mjsousa@929: *
mjsousa@929: * In the abive code, my_array is NOT considered to te compatible with my_Array_t !!!
mjsousa@929: *
mjsousa@929: * In essence, the currently supported datatype model considers all datatypes to be different to each other,
mjsousa@929: * even though the stored data is the same (Let us call this rule (0))!
mjsousa@929: * There are 2 exceptions to the above rule:
mjsousa@929: * (1) Datatypes that are directly derived from other datatypes.
mjsousa@929: * (this rule is specified in the standard, so we follow it!)
mjsousa@929: * (2) REF_TO datatypes that reference the same datatype
mjsousa@929: * (I dont think the standard says anything about this!)
mjsousa@929: *
mjsousa@929: * TYPE
mjsousa@929: * my_array_1_t: ARRAY [1..3] OF INT;
mjsousa@929: * my_array_2_t: ARRAY [1..3] OF INT;
mjsousa@929: * my_array_3_t: my_array_1_t;
mjsousa@929: * A_ref_t: REF_TO my_array_1_t;
mjsousa@929: * B_ref_t: REF_TO my_array_1_t;
mjsousa@929: * C_ref_t: A_ref_t;
mjsousa@929: * END_TYPE;
mjsousa@929: *
mjsousa@929: * In the above code, my_array_1_t is a distinct datatype to my_array_2_t
mjsousa@929: * (this is different to C and C++, where they would be considered the same datatype!)
mjsousa@929: * (following rule (0))
mjsousa@929: * In the above code, my_array_3_t is the same datatype as my_array_1_t
mjsousa@929: * (following rule (1))
mjsousa@929: * In the above code, A_ref_t is the same datatype as B_ref_t
mjsousa@929: * (following rule (2))
mjsousa@929: * In the above code, A_ref_t is the same datatype as C_ref_t
mjsousa@929: * (following rule (1))
mjsousa@929: *
mjsousa@929: * Note that rule (0) means that a function/FB with a parameter whose datatype is implicitly defined
mjsousa@929: * can never be passed a value!
mjsousa@929: * FUNCTION_BLOCK FOO
mjsousa@929: * VAR_INPUT my_array: ARRAY [1..3] OF INT; END_VAR
mjsousa@929: * ...
mjsousa@929: * END_FUNCTION_BLOCK
mjsousa@929: *
mjsousa@929: * Any call to FB foo can never pass a value to parameter my_array, as its datatype is distinct
mjsousa@929: * to all other datatypes, and therefore passing any other variable to my_array will result in an
mjsousa@929: * 'incompatible datatypes' error!
mjsousa@929: * The above seems natural o me (Mario) in a programming language that is very strongly typed.
mjsousa@929: *
mjsousa@929: * However, if we did not have exception (2), the following would also be invalid:
mjsousa@929: * TYPE my_array_t: ARRAY [1..3] OF INT; END_TYPE;
mjsousa@929: * FUNCTION_BLOCK FOO_t
mjsousa@929: * VAR_INPUT my_array: REF_TO my_array_t; END_VAR
mjsousa@929: * ...
mjsousa@929: * END_FUNCTION_BLOCK
mjsousa@929: *
mjsousa@929: * FUNCTION_BLOCK BAR
mjsousa@929: * VAR
mjsousa@929: * my_array: my_array_t;
mjsousa@929: * foo: FOO_t;
mjsousa@929: * END_VAR
mjsousa@929: * foo(REF(my_array)); <----- invalid, without rule 2!!
mjsousa@929: * ...
mjsousa@929: * END_FUNCTION_BLOCK
mjsousa@929: *
mjsousa@929: * Rule/exception (2) goes against the datatype model used for all other datatypes.
mjsousa@929: * This rule was adopted as without it, the datatype of the value returned by the REF()
mjsousa@929: * operator would be considered distinct to all other datatypes, and therefore the
mjsousa@929: * REF() operator would be essentially useless.
mjsousa@929: */
msousa@676: bool get_datatype_info_c::is_type_equal(symbol_c *first_type, symbol_c *second_type) {
mjsousa@921: if (!is_type_valid( first_type)) {return false;}
mjsousa@921: if (!is_type_valid(second_type)) {return false;}
mjsousa@921:
mjsousa@921: /* GENERIC DATATYPES */
mjsousa@921: /* For the moment, we only support the ANY generic datatype! */
mjsousa@921: if ((is_ANY_generic_type( first_type)) ||
mjsousa@921: (is_ANY_generic_type(second_type))) {return true;}
mjsousa@921:
mjsousa@909: /* ANY_ELEMENTARY */
mjsousa@909: if ((is_ANY_ELEMENTARY(first_type)) &&
msousa@695: (typeid(*first_type) == typeid(*second_type))) {return true;}
mjsousa@909:
msousa@695: /* ANY_DERIVED */
mjsousa@919: if (is_ref_to(first_type) && is_ref_to(second_type)) {
mjsousa@919: return is_type_equal(search_base_type_c::get_basetype_decl(get_ref_to(first_type )),
mjsousa@919: search_base_type_c::get_basetype_decl(get_ref_to(second_type)));
mjsousa@919: }
msousa@695: return (first_type == second_type);
msousa@676: }
msousa@676:
msousa@676:
msousa@676: bool get_datatype_info_c::is_type_valid(symbol_c *type) {
msousa@695: if (NULL == type) {return false;}
msousa@695: if (typeid(*type) == typeid(invalid_type_name_c)) {return false;}
msousa@676: return true;
msousa@676: }
msousa@676:
msousa@676:
msousa@676:
msousa@676:
msousa@676:
msousa@676:
mjsousa@909:
mjsousa@909: /* returns the datatype the REF_TO datatype references/points to... */
mjsousa@909: symbol_c *get_datatype_info_c::get_ref_to(symbol_c *type_symbol) {
mjsousa@909: ref_type_decl_c *type1 = dynamic_cast(type_symbol);
mjsousa@909: if (NULL != type1) type_symbol = type1->ref_spec_init;
mjsousa@909:
mjsousa@909: ref_spec_init_c *type2 = dynamic_cast(type_symbol);
mjsousa@909: if (NULL != type2) type_symbol = type2->ref_spec;
mjsousa@909:
mjsousa@909: ref_spec_c *type3 = dynamic_cast(type_symbol);
mjsousa@909: if (NULL != type3) return type3->type_name;
mjsousa@909:
mjsousa@909: return NULL; /* this is not a ref datatype!! */
mjsousa@909: }
mjsousa@909:
mjsousa@909:
mjsousa@909:
mjsousa@909:
mjsousa@909:
mjsousa@909:
mjsousa@909: bool get_datatype_info_c::is_ref_to(symbol_c *type_symbol) {
mjsousa@909: symbol_c *type_decl = search_base_type_c::get_basetype_decl(type_symbol);
mjsousa@909: if (NULL == type_decl) {return false;}
mjsousa@909:
mjsousa@909: if (typeid(*type_decl) == typeid(ref_type_decl_c)) {return true;} /* identifier ':' ref_spec_init */
mjsousa@909: if (typeid(*type_decl) == typeid(ref_spec_init_c)) {return true;} /* ref_spec [ ASSIGN ref_initialization ]; */
mjsousa@909: if (typeid(*type_decl) == typeid(ref_spec_c)) {return true;} /* REF_TO (non_generic_type_name | function_block_type_name) */
mjsousa@909: return false;
mjsousa@909: }
mjsousa@909:
mjsousa@909:
mjsousa@909:
mjsousa@909:
msousa@666: bool get_datatype_info_c::is_sfc_initstep(symbol_c *type_symbol) {
msousa@718: symbol_c *type_decl = search_base_type_c::get_basetype_decl(type_symbol);
mjsousa@832: if (NULL == type_decl) {return false;}
msousa@666: if (typeid(*type_decl) == typeid(initial_step_c)) {return true;} /* INITIAL_STEP step_name ':' action_association_list END_STEP */ /* A pseudo data type! */
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_sfc_step(symbol_c *type_symbol) {
msousa@718: symbol_c *type_decl = search_base_type_c::get_basetype_decl(type_symbol);
mjsousa@832: if (NULL == type_decl) {return false;}
msousa@666: if (typeid(*type_decl) == typeid(initial_step_c)) {return true;} /* INITIAL_STEP step_name ':' action_association_list END_STEP */ /* A pseudo data type! */
msousa@666: if (typeid(*type_decl) == typeid( step_c)) {return true;} /* STEP step_name ':' action_association_list END_STEP */ /* A pseudo data type! */
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_function_block(symbol_c *type_symbol) {
msousa@718: symbol_c *type_decl = search_base_type_c::get_basetype_decl(type_symbol);
mjsousa@832: if (NULL == type_decl) {return false;}
msousa@666: 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 */
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_subrange(symbol_c *type_symbol) {
mjsousa@858: symbol_c *type_decl = search_base_type_c::get_equivtype_decl(type_symbol); /* NOTE: do NOT call search_base_type_c !! */
mjsousa@832: if (NULL == type_decl) {return false;}
msousa@666:
msousa@666: if (typeid(*type_decl) == typeid(subrange_type_declaration_c)) {return true;} /* subrange_type_name ':' subrange_spec_init */
msousa@666: if (typeid(*type_decl) == typeid(subrange_spec_init_c)) {return true;} /* subrange_specification ASSIGN signed_integer */
msousa@666: if (typeid(*type_decl) == typeid(subrange_specification_c)) {return true;} /* integer_type_name '(' subrange')' */
msousa@666:
msousa@666: if (typeid(*type_decl) == typeid(subrange_c)) {ERROR;} /* signed_integer DOTDOT signed_integer */
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_enumerated(symbol_c *type_symbol) {
msousa@718: symbol_c *type_decl = search_base_type_c::get_basetype_decl(type_symbol);
mjsousa@832: if (NULL == type_decl) {return false;}
msousa@666:
msousa@666: if (typeid(*type_decl) == typeid(enumerated_type_declaration_c)) {return true;} /* enumerated_type_name ':' enumerated_spec_init */
msousa@666: if (typeid(*type_decl) == typeid(enumerated_spec_init_c)) {return true;} /* enumerated_specification ASSIGN enumerated_value */
msousa@666: 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! */
msousa@666:
msousa@666: if (typeid(*type_decl) == typeid(enumerated_value_c)) {ERROR;} /* enumerated_type_name '#' identifier */
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_array(symbol_c *type_symbol) {
msousa@718: symbol_c *type_decl = search_base_type_c::get_basetype_decl(type_symbol);
mjsousa@832: if (NULL == type_decl) {return false;}
msousa@666:
msousa@666: if (typeid(*type_decl) == typeid(array_type_declaration_c)) {return true;} /* identifier ':' array_spec_init */
msousa@666: if (typeid(*type_decl) == typeid(array_spec_init_c)) {return true;} /* array_specification [ASSIGN array_initialization} */
msousa@666: if (typeid(*type_decl) == typeid(array_specification_c)) {return true;} /* ARRAY '[' array_subrange_list ']' OF non_generic_type_name */
msousa@666:
msousa@666: if (typeid(*type_decl) == typeid(array_subrange_list_c)) {ERROR;} /* array_subrange_list ',' subrange */
msousa@666: if (typeid(*type_decl) == typeid(array_initial_elements_list_c)) {ERROR;} /* array_initialization: '[' array_initial_elements_list ']' */ /* array_initial_elements_list ',' array_initial_elements */
msousa@666: if (typeid(*type_decl) == typeid(array_initial_elements_c)) {ERROR;} /* integer '(' [array_initial_element] ')' */
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_structure(symbol_c *type_symbol) {
msousa@718: symbol_c *type_decl = search_base_type_c::get_basetype_decl(type_symbol);
mjsousa@832: if (NULL == type_decl) {return false;}
msousa@666:
msousa@666: if (typeid(*type_decl) == typeid(structure_type_declaration_c)) {return true;} /* structure_type_name ':' structure_specification */
msousa@666: if (typeid(*type_decl) == typeid(initialized_structure_c)) {return true;} /* structure_type_name ASSIGN structure_initialization */
msousa@666: 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 ';' */
msousa@666:
msousa@666: if (typeid(*type_decl) == typeid(structure_element_declaration_c)) {ERROR;} /* structure_element_name ':' *_spec_init */
msousa@666: if (typeid(*type_decl) == typeid(structure_element_initialization_list_c)) {ERROR;} /* structure_initialization: '(' structure_element_initialization_list ')' */ /* structure_element_initialization_list ',' structure_element_initialization */
msousa@666: if (typeid(*type_decl) == typeid(structure_element_initialization_c)) {ERROR;} /* structure_element_name ASSIGN value */
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
mjsousa@921: bool get_datatype_info_c::is_ANY_generic_type(symbol_c *type_symbol) {
mjsousa@921: symbol_c *type_decl = search_base_type_c::get_basetype_decl(type_symbol);
mjsousa@921: if (NULL == type_decl) {return false;}
mjsousa@921: if (typeid(*type_decl) == typeid(generic_type_any_c)) {return true;} /* The ANY keyword! */
mjsousa@921: return false;
mjsousa@921: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_ELEMENTARY(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_MAGNITUDE(type_symbol)) {return true;}
msousa@666: if (is_ANY_BIT (type_symbol)) {return true;}
msousa@666: if (is_ANY_STRING (type_symbol)) {return true;}
msousa@666: if (is_ANY_DATE (type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_SAFEELEMENTARY(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_SAFEMAGNITUDE(type_symbol)) {return true;}
msousa@666: if (is_ANY_SAFEBIT (type_symbol)) {return true;}
msousa@666: if (is_ANY_SAFESTRING (type_symbol)) {return true;}
msousa@666: if (is_ANY_SAFEDATE (type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_ELEMENTARY_compatible(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_ELEMENTARY (type_symbol)) {return true;}
msousa@666: if (is_ANY_SAFEELEMENTARY(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_MAGNITUDE(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@668: if (is_TIME(type_symbol)) {return true;}
msousa@666: if (is_ANY_NUM(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_SAFEMAGNITUDE(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@668: if (is_SAFETIME(type_symbol)) {return true;}
msousa@666: if (is_ANY_SAFENUM(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_MAGNITUDE_compatible(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_MAGNITUDE (type_symbol)) {return true;}
msousa@666: if (is_ANY_SAFEMAGNITUDE(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_signed_MAGNITUDE(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (typeid(*type_symbol) == typeid(time_type_name_c)) {return true;}
msousa@666: if (is_ANY_signed_NUM(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_signed_SAFEMAGNITUDE(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (typeid(*type_symbol) == typeid(safetime_type_name_c)) {return true;}
msousa@666: return is_ANY_signed_SAFENUM(type_symbol);
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_signed_MAGNITUDE_compatible(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_signed_MAGNITUDE (type_symbol)) {return true;}
msousa@666: if (is_ANY_signed_SAFEMAGNITUDE(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_NUM(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_REAL(type_symbol)) {return true;}
msousa@666: if (is_ANY_INT (type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_SAFENUM(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_SAFEREAL(type_symbol)) {return true;}
msousa@666: if (is_ANY_SAFEINT (type_symbol)) {return true;}
msousa@676: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_NUM_compatible(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_NUM (type_symbol)) {return true;}
msousa@666: if (is_ANY_SAFENUM(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_signed_NUM(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_REAL (type_symbol)) {return true;}
msousa@666: if (is_ANY_signed_INT(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_signed_SAFENUM(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_SAFEREAL (type_symbol)) {return true;}
msousa@666: if (is_ANY_signed_SAFEINT(type_symbol)) {return true;}
msousa@676: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_signed_NUM_compatible(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_signed_NUM (type_symbol)) {return true;}
msousa@666: if (is_ANY_signed_SAFENUM(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_INT(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_signed_INT (type_symbol)) {return true;}
msousa@666: if (is_ANY_unsigned_INT(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_SAFEINT(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_signed_SAFEINT (type_symbol)) {return true;}
msousa@666: if (is_ANY_unsigned_SAFEINT(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_INT_compatible(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_INT (type_symbol)) {return true;}
msousa@666: if (is_ANY_SAFEINT(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_signed_INT(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (typeid(*type_symbol) == typeid(sint_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(int_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(dint_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(lint_type_name_c)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_signed_SAFEINT(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (typeid(*type_symbol) == typeid(safesint_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(safeint_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(safedint_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(safelint_type_name_c)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_signed_INT_compatible(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_signed_INT (type_symbol)) {return true;}
msousa@666: if (is_ANY_signed_SAFEINT(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_unsigned_INT(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (typeid(*type_symbol) == typeid(usint_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(uint_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(udint_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(ulint_type_name_c)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_unsigned_SAFEINT(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (typeid(*type_symbol) == typeid(safeusint_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(safeuint_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(safeudint_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(safeulint_type_name_c)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_unsigned_INT_compatible(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_unsigned_INT (type_symbol)) {return true;}
msousa@666: if (is_ANY_unsigned_SAFEINT(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_REAL(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (typeid(*type_symbol) == typeid(real_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(lreal_type_name_c)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_SAFEREAL(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (typeid(*type_symbol) == typeid(safereal_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(safelreal_type_name_c)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_REAL_compatible(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_REAL (type_symbol)) {return true;}
msousa@666: if (is_ANY_SAFEREAL(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_nBIT(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (typeid(*type_symbol) == typeid(byte_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(word_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(dword_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(lword_type_name_c)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_SAFEnBIT(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (typeid(*type_symbol) == typeid(safebyte_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(safeword_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(safedword_type_name_c)) {return true;}
msousa@666: if (typeid(*type_symbol) == typeid(safelword_type_name_c)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_nBIT_compatible(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_nBIT (type_symbol)) {return true;}
msousa@666: if (is_ANY_SAFEnBIT(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_BOOL(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (typeid(*type_symbol) == typeid(bool_type_name_c)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_SAFEBOOL(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (typeid(*type_symbol) == typeid(safebool_type_name_c)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_BOOL_compatible(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_BOOL (type_symbol)) {return true;}
msousa@666: if (is_SAFEBOOL(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_BIT(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_BOOL (type_symbol)) {return true;}
msousa@666: if (is_ANY_nBIT(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_SAFEBIT(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_SAFEBOOL (type_symbol)) {return true;}
msousa@666: if (is_ANY_SAFEnBIT(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666: bool get_datatype_info_c::is_ANY_BIT_compatible(symbol_c *type_symbol) {
msousa@666: if (type_symbol == NULL) {return false;}
msousa@666: if (is_ANY_BIT (type_symbol)) {return true;}
msousa@666: if (is_ANY_SAFEBIT(type_symbol)) {return true;}
msousa@666: return false;
msousa@666: }
msousa@666:
msousa@666:
msousa@666:
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668: bool get_datatype_info_c::is_TIME(symbol_c *type_symbol) {
msousa@668: if (type_symbol == NULL) {return false;}
msousa@668: if (typeid(*type_symbol) == typeid(time_type_name_c)) {return true;}
msousa@668: return false;
msousa@668: }
msousa@668:
msousa@668:
msousa@668: bool get_datatype_info_c::is_SAFETIME(symbol_c *type_symbol) {
msousa@668: if (type_symbol == NULL) {return false;}
msousa@668: if (typeid(*type_symbol) == typeid(safetime_type_name_c)) {return true;}
msousa@668: return false;
msousa@668: }
msousa@668:
msousa@668:
msousa@668: bool get_datatype_info_c::is_TIME_compatible(symbol_c *type_symbol) {
msousa@668: if (type_symbol == NULL) {return false;}
msousa@668: if (is_TIME (type_symbol)) {return true;}
msousa@668: if (is_SAFETIME(type_symbol)) {return true;}
msousa@668: return false;
msousa@668: }
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668: bool get_datatype_info_c::is_ANY_DATE(symbol_c *type_symbol) {
msousa@668: if (type_symbol == NULL) {return false;}
msousa@668: if (typeid(*type_symbol) == typeid(date_type_name_c)) {return true;}
msousa@668: if (typeid(*type_symbol) == typeid(tod_type_name_c)) {return true;}
msousa@668: if (typeid(*type_symbol) == typeid(dt_type_name_c)) {return true;}
msousa@668: return false;
msousa@668: }
msousa@668:
msousa@668:
msousa@668: bool get_datatype_info_c::is_ANY_SAFEDATE(symbol_c *type_symbol) {
msousa@668: if (type_symbol == NULL) {return false;}
msousa@668: if (typeid(*type_symbol) == typeid(safedate_type_name_c)) {return true;}
msousa@668: if (typeid(*type_symbol) == typeid(safetod_type_name_c)) {return true;}
msousa@668: if (typeid(*type_symbol) == typeid(safedt_type_name_c)) {return true;}
msousa@668: return false;
msousa@668: }
msousa@668:
msousa@668:
msousa@668: bool get_datatype_info_c::is_ANY_DATE_compatible(symbol_c *type_symbol) {
msousa@668: if (type_symbol == NULL) {return false;}
msousa@668: if (is_ANY_DATE (type_symbol)) {return true;}
msousa@668: if (is_ANY_SAFEDATE(type_symbol)) {return true;}
msousa@668: return false;
msousa@668: }
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668: bool get_datatype_info_c::is_ANY_STRING(symbol_c *type_symbol) {
msousa@668: if (type_symbol == NULL) {return false;}
msousa@668: if (typeid(*type_symbol) == typeid(string_type_name_c)) {return true;}
msousa@668: if (typeid(*type_symbol) == typeid(wstring_type_name_c)) {return true;}
msousa@668: return false;
msousa@668: }
msousa@668:
msousa@668:
msousa@668: bool get_datatype_info_c::is_ANY_SAFESTRING(symbol_c *type_symbol) {
msousa@668: if (type_symbol == NULL) {return false;}
msousa@668: if (typeid(*type_symbol) == typeid(safestring_type_name_c)) {return true;}
msousa@668: if (typeid(*type_symbol) == typeid(safewstring_type_name_c)) {return true;}
msousa@668: return false;
msousa@668: }
msousa@668:
msousa@668:
msousa@668: bool get_datatype_info_c::is_ANY_STRING_compatible(symbol_c *type_symbol) {
msousa@668: if (type_symbol == NULL) {return false;}
msousa@668: if (is_ANY_STRING (type_symbol)) {return true;}
msousa@668: if (is_ANY_SAFESTRING(type_symbol)) {return true;}
msousa@668: return false;
msousa@668: }
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668:
msousa@668: /* Can't we do away with this?? */
msousa@668: bool get_datatype_info_c::is_ANY_REAL_literal(symbol_c *type_symbol) {
msousa@668: if (type_symbol == NULL) {return true;} /* Please make sure things will work correctly before changing this to false!! */
msousa@668: if (typeid(*type_symbol) == typeid(real_c)) {return true;}
msousa@668: if (typeid(*type_symbol) == typeid(neg_real_c)) {return true;}
msousa@668: return false;
msousa@668: }
msousa@668:
msousa@668: /* Can't we do away with this?? */
msousa@668: bool get_datatype_info_c::is_ANY_INT_literal(symbol_c *type_symbol) {
msousa@668: if (type_symbol == NULL) {return true;} /* Please make sure things will work correctly before changing this to false!! */
msousa@668: if (typeid(*type_symbol) == typeid(integer_c)) {return true;}
msousa@668: if (typeid(*type_symbol) == typeid(neg_integer_c)) {return true;}
msousa@668: if (typeid(*type_symbol) == typeid(binary_integer_c)) {return true;}
msousa@668: if (typeid(*type_symbol) == typeid(octal_integer_c)) {return true;}
msousa@668: if (typeid(*type_symbol) == typeid(hex_integer_c)) {return true;}
msousa@668: return false;
msousa@668: }
msousa@668:
msousa@693:
msousa@693:
msousa@693:
msousa@693:
msousa@693:
msousa@693:
msousa@693:
msousa@693:
msousa@693:
msousa@693: invalid_type_name_c get_datatype_info_c::invalid_type_name;
msousa@693:
msousa@693: /**********************/
msousa@693: /* B.1.3 - Data types */
msousa@693: /**********************/
msousa@693: /***********************************/
msousa@693: /* B 1.3.1 - Elementary Data Types */
msousa@693: /***********************************/
msousa@699: lreal_type_name_c get_datatype_info_c::lreal_type_name;
msousa@693: real_type_name_c get_datatype_info_c::real_type_name;
msousa@693:
msousa@693: lint_type_name_c get_datatype_info_c::lint_type_name;
msousa@693: dint_type_name_c get_datatype_info_c::dint_type_name;
msousa@693: int_type_name_c get_datatype_info_c::int_type_name;
msousa@693: sint_type_name_c get_datatype_info_c::sint_type_name;
msousa@693:
msousa@693: ulint_type_name_c get_datatype_info_c::ulint_type_name;
msousa@693: udint_type_name_c get_datatype_info_c::udint_type_name;
msousa@693: uint_type_name_c get_datatype_info_c::uint_type_name;
msousa@693: usint_type_name_c get_datatype_info_c::usint_type_name;
msousa@693:
msousa@693: lword_type_name_c get_datatype_info_c::lword_type_name;
msousa@693: dword_type_name_c get_datatype_info_c::dword_type_name;
msousa@693: word_type_name_c get_datatype_info_c::word_type_name;
msousa@693: byte_type_name_c get_datatype_info_c::byte_type_name;
msousa@693: bool_type_name_c get_datatype_info_c::bool_type_name;
msousa@693:
msousa@693: wstring_type_name_c get_datatype_info_c::wstring_type_name;
msousa@693: string_type_name_c get_datatype_info_c::string_type_name;
msousa@693:
msousa@693: dt_type_name_c get_datatype_info_c::dt_type_name;
msousa@693: date_type_name_c get_datatype_info_c::date_type_name;
msousa@693: tod_type_name_c get_datatype_info_c::tod_type_name;
msousa@693: time_type_name_c get_datatype_info_c::time_type_name;
msousa@693:
msousa@693:
msousa@693: /******************************************************/
msousa@693: /* Extensions to the base standard as defined in */
msousa@693: /* "Safety Software Technical Specification, */
msousa@693: /* Part 1: Concepts and Function Blocks, */
msousa@693: /* Version 1.0 – Official Release" */
msousa@693: /* by PLCopen - Technical Committee 5 - 2006-01-31 */
msousa@693: /******************************************************/
msousa@699: safelreal_type_name_c get_datatype_info_c::safelreal_type_name;
msousa@693: safereal_type_name_c get_datatype_info_c::safereal_type_name;
msousa@693:
msousa@693: safelint_type_name_c get_datatype_info_c::safelint_type_name;
msousa@693: safedint_type_name_c get_datatype_info_c::safedint_type_name;
msousa@693: safeint_type_name_c get_datatype_info_c::safeint_type_name;
msousa@693: safesint_type_name_c get_datatype_info_c::safesint_type_name;
msousa@693:
msousa@693: safeulint_type_name_c get_datatype_info_c::safeulint_type_name;
msousa@693: safeudint_type_name_c get_datatype_info_c::safeudint_type_name;
msousa@693: safeuint_type_name_c get_datatype_info_c::safeuint_type_name;
msousa@693: safeusint_type_name_c get_datatype_info_c::safeusint_type_name;
msousa@693:
msousa@693: safelword_type_name_c get_datatype_info_c::safelword_type_name;
msousa@693: safedword_type_name_c get_datatype_info_c::safedword_type_name;
msousa@693: safeword_type_name_c get_datatype_info_c::safeword_type_name;
msousa@693: safebyte_type_name_c get_datatype_info_c::safebyte_type_name;
msousa@693: safebool_type_name_c get_datatype_info_c::safebool_type_name;
msousa@693:
msousa@693: safewstring_type_name_c get_datatype_info_c::safewstring_type_name;
msousa@693: safestring_type_name_c get_datatype_info_c::safestring_type_name;
msousa@693:
msousa@693: safedt_type_name_c get_datatype_info_c::safedt_type_name;
msousa@693: safedate_type_name_c get_datatype_info_c::safedate_type_name;
msousa@693: safetod_type_name_c get_datatype_info_c::safetod_type_name;
msousa@693: safetime_type_name_c get_datatype_info_c::safetime_type_name;
msousa@693:
msousa@693:
msousa@693:
msousa@693:
msousa@693: