mario@181: /* msousa@265: * matiec - a compiler for the programming languages defined in IEC 61131-3 mario@181: * msousa@265: * Copyright (C) 2003-2011 Mario de Sousa (msousa@fe.up.pt) Edouard@279: * Copyright (C) 2007-2011 Laurent Bessard and Edouard Tisserant mario@181: * msousa@265: * This program is free software: you can redistribute it and/or modify msousa@265: * it under the terms of the GNU General Public License as published by msousa@265: * the Free Software Foundation, either version 3 of the License, or msousa@265: * (at your option) any later version. msousa@265: * msousa@265: * This program is distributed in the hope that it will be useful, msousa@265: * but WITHOUT ANY WARRANTY; without even the implied warranty of msousa@265: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the msousa@265: * GNU General Public License for more details. msousa@265: * msousa@265: * You should have received a copy of the GNU General Public License msousa@265: * along with this program. If not, see . msousa@265: * mario@181: * mario@181: * This code is made available on the understanding that it will not be mario@181: * used in safety-critical situations without a full and competent review. mario@181: */ mario@181: mario@181: /* msousa@265: * An IEC 61131-3 compiler. mario@181: * mario@181: * Based on the mario@181: * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10) mario@181: * mario@181: */ mario@181: msousa@459: /* NOTE: The use of this visitor class is now deprecated. msousa@459: * The new version of stage3 data type checking adds an entry to msousa@459: * every relevant object in the abstract syntax tree defining msousa@459: * the data type of that object. Please use that instead! msousa@459: */ msousa@459: msousa@459: msousa@459: mario@181: /* Determine the data type of a specific constant or variable. mario@181: * A reference to the relevant type definition is returned. mario@181: * mario@181: * For example: mario@181: * 22 -> returns reference to a int_type_name_c object. mario@181: * 22.2 -> returns reference to a real_type_name_c object. mario@181: * LREAL#22.2 -> returns reference to a lreal_type_name_c object. mario@181: * etc... mario@181: */ mario@181: mario@181: mario@181: #include "../absyntax/visitor.hh" mario@181: msousa@339: #ifndef _SEARCH_CONSTANT_TYPE_HH msousa@339: #define _SEARCH_CONSTANT_TYPE_HH mario@181: mario@181: class search_constant_type_c: public search_visitor_c { mario@181: mario@181: public: msousa@459: /* object used to identify an entry in the abstract syntax tree with an invalid data type */ msousa@459: /* This is only used from stage3 onwards. Stages 1 and 2 will never create any instances of invalid_type_name_c */ msousa@459: static invalid_type_name_c invalid_type_name; msousa@459: mario@181: /**********************/ mario@181: /* B.1.3 - Data types */ mario@181: /**********************/ mario@181: /***********************************/ mario@181: /* B 1.3.1 - Elementary Data Types */ mario@181: /***********************************/ mario@181: static real_type_name_c real_type_name; mario@181: static sint_type_name_c sint_type_name; mario@181: static lint_type_name_c lint_type_name; mario@181: static dint_type_name_c dint_type_name; mario@181: static date_type_name_c date_type_name; mario@181: static dword_type_name_c dword_type_name; mario@181: static dt_type_name_c dt_type_name; mario@181: static tod_type_name_c tod_type_name; mario@181: static udint_type_name_c udint_type_name; mario@181: static word_type_name_c word_type_name; mario@181: static wstring_type_name_c wstring_type_name; mario@181: static string_type_name_c string_type_name; mario@181: static lword_type_name_c lword_type_name; mario@181: static uint_type_name_c uint_type_name; mario@181: static lreal_type_name_c lreal_type_name; mario@181: static byte_type_name_c byte_type_name; mario@181: static usint_type_name_c usint_type_name; mario@181: static ulint_type_name_c ulint_type_name; mario@181: static bool_type_name_c bool_type_name; mario@181: static time_type_name_c time_type_name; mario@181: static int_type_name_c int_type_name; mario@181: ccb@202: /* temporarily here until we remove the st_code_gen.c and il_code_gen.c files... */ ccb@202: static integer_c integer; mario@181: mario@181: /******************************************************/ mario@181: /* Extensions to the base standard as defined in */ mario@181: /* "Safety Software Technical Specification, */ mario@181: /* Part 1: Concepts and Function Blocks, */ mario@181: /* Version 1.0 – Official Release" */ mario@181: /* by PLCopen - Technical Committee 5 - 2006-01-31 */ mario@181: /******************************************************/ msousa@257: msousa@257: // static safebool_type_name_c safebool_type_name; msousa@257: /* The following is required because the expression (TOD_var - TOD_var) will result in a data type msousa@257: * (in this case, TIME) that is neither of the expression elements... msousa@257: */ msousa@257: static safetime_type_name_c safetime_type_name; msousa@257: static safetod_type_name_c safetod_type_name; msousa@257: static safedt_type_name_c safedt_type_name; msousa@417: static safedate_type_name_c safedate_type_name; msousa@417: static safereal_type_name_c safereal_type_name; msousa@417: static safesint_type_name_c safesint_type_name; msousa@417: static safelint_type_name_c safelint_type_name; msousa@417: static safedint_type_name_c safedint_type_name; msousa@417: static safedword_type_name_c safedword_type_name; msousa@417: static safeudint_type_name_c safeudint_type_name; msousa@417: static safeword_type_name_c safeword_type_name; msousa@417: static safewstring_type_name_c safewstring_type_name; msousa@417: static safestring_type_name_c safestring_type_name; msousa@417: static safelword_type_name_c safelword_type_name; msousa@417: static safeuint_type_name_c safeuint_type_name; msousa@417: static safelreal_type_name_c safelreal_type_name; msousa@417: static safebyte_type_name_c safebyte_type_name; msousa@417: static safeusint_type_name_c safeusint_type_name; msousa@417: static safeulint_type_name_c safeulint_type_name; msousa@417: static safebool_type_name_c safebool_type_name; msousa@417: static safeint_type_name_c safeint_type_name; mario@181: mario@181: public: mario@181: symbol_c *get_type(symbol_c *constant); mario@181: mario@181: mario@181: private: mario@181: /*********************/ mario@181: /* B 1.2 - Constants */ mario@181: /*********************/ mario@181: mario@181: /******************************/ mario@181: /* B 1.2.1 - Numeric Literals */ mario@181: /******************************/ mario@181: void *visit(real_c *symbol); msousa@257: void *visit(neg_real_c *symbol); mario@181: void *visit(integer_c *symbol); msousa@257: void *visit(neg_integer_c *symbol); mario@181: void *visit(binary_integer_c *symbol); mario@181: void *visit(octal_integer_c *symbol); mario@181: void *visit(hex_integer_c *symbol); mario@181: mario@181: void *visit(integer_literal_c *symbol); mario@181: void *visit(real_literal_c *symbol); mario@181: void *visit(bit_string_literal_c *symbol); mario@181: void *visit(boolean_literal_c *symbol); mario@181: ccb@202: void *visit(boolean_true_c *symbol); ccb@202: void *visit(boolean_false_c *symbol); ccb@202: mario@181: /*******************************/ mario@181: /* B.1.2.2 Character Strings */ mario@181: /*******************************/ mario@181: void *visit(double_byte_character_string_c *symbol); mario@181: void *visit(single_byte_character_string_c *symbol); mario@181: mario@181: /***************************/ mario@181: /* B 1.2.3 - Time Literals */ mario@181: /***************************/ mario@181: /************************/ mario@181: /* B 1.2.3.1 - Duration */ mario@181: /************************/ mario@181: void *visit(neg_time_c *symbol); mario@181: void *visit(duration_c *symbol); msousa@547: void *visit(interval_c *symbol); mario@181: void *visit(fixed_point_c *symbol); mario@181: mario@181: /************************************/ mario@181: /* B 1.2.3.2 - Time of day and Date */ mario@181: /************************************/ mario@181: void *visit(time_of_day_c *symbol); mario@181: void *visit(daytime_c *symbol); mario@181: void *visit(date_c *symbol); mario@181: void *visit(date_literal_c *symbol); mario@181: void *visit(date_and_time_c *symbol); laurent@328: laurent@328: /********************************/ laurent@328: /* B 1.3.3 - Derived data types */ laurent@328: /********************************/ laurent@328: void *visit(enumerated_value_c *symbol); mario@181: }; // search_constant_type_c mario@181: mario@181: msousa@339: #endif /* ifndef _SEARCH_CONSTANT_TYPE_HH */