--- a/stage4/generate_c/search_constant_type.cc Sat May 30 16:42:41 2009 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,173 +0,0 @@
-/*
- * (c) 2003 Mario de Sousa
- *
- * Offered to the public under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2 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.
- *
- * 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 IL and ST compiler.
- *
- * Based on the
- * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
- *
- */
-
-
-
-/* Determine the data type of a specific constant or variable.
- * A reference to the relevant type definition is returned.
- *
- * For example:
- * 22 -> returns reference to a int_type_name_c object.
- * 22.2 -> returns reference to a real_type_name_c object.
- * LREAL#22.2 -> returns reference to a lreal_type_name_c object.
- * etc...
- */
-class search_constant_type_c: public search_visitor_c {
-
- public:
-/**********************/
-/* B.1.3 - Data types */
-/**********************/
-/***********************************/
-/* B 1.3.1 - Elementary Data Types */
-/***********************************/
- static real_type_name_c real_type_name;
- static sint_type_name_c sint_type_name;
- static lint_type_name_c lint_type_name;
- static dint_type_name_c dint_type_name;
- static date_type_name_c date_type_name;
- static dword_type_name_c dword_type_name;
- static dt_type_name_c dt_type_name;
- static tod_type_name_c tod_type_name;
- static udint_type_name_c udint_type_name;
- static word_type_name_c word_type_name;
- static wstring_type_name_c wstring_type_name;
- static string_type_name_c string_type_name;
- static lword_type_name_c lword_type_name;
- static uint_type_name_c uint_type_name;
- static lreal_type_name_c lreal_type_name;
- static byte_type_name_c byte_type_name;
- static usint_type_name_c usint_type_name;
- static ulint_type_name_c ulint_type_name;
- static bool_type_name_c bool_type_name;
- static time_type_name_c time_type_name;
- static int_type_name_c int_type_name;
-
- static constant_real_type_name_c constant_real_type_name;
- static constant_int_type_name_c constant_int_type_name;
- static direct_variable_type_name_c direct_variable_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 */
- /******************************************************/
- static safebool_type_name_c safebool_type_name;
-
-
- public:
- symbol_c *get_type(symbol_c *constant) {
- return (symbol_c *)constant->accept(*this);
- }
-
- public:
-
-/*********************/
-/* B 1.2 - Constants */
-/*********************/
-
-/******************************/
-/* B 1.2.1 - Numeric Literals */
-/******************************/
- void *visit(real_c *symbol) {return (void *)&constant_real_type_name;}
- void *visit(integer_c *symbol) {return (void *)&constant_int_type_name;}
- void *visit(binary_integer_c *symbol) {return (void *)&constant_int_type_name;}
- void *visit(octal_integer_c *symbol) {return (void *)&constant_int_type_name;}
- void *visit(hex_integer_c *symbol) {return (void *)&constant_int_type_name;}
-
- void *visit(numeric_literal_c *symbol)
- {return (void *)((symbol->type!=NULL)?symbol->type:symbol->value->accept(*this));}
- void *visit(integer_literal_c *symbol)
- {return (void *)((symbol->type!=NULL)?symbol->type:symbol->value->accept(*this));}
- void *visit(real_literal_c *symbol)
- {return (void *)((symbol->type!=NULL)?symbol->type:symbol->value->accept(*this));}
- void *visit(bit_string_literal_c *symbol)
- {return (void *)((symbol->type!=NULL)?symbol->type:symbol->value->accept(*this));}
- void *visit(boolean_literal_c *symbol)
- {return (void *)((symbol->type!=NULL)?symbol->type:symbol->value->accept(*this));}
-
-/*******************************/
-/* B.1.2.2 Character Strings */
-/*******************************/
- void *visit(double_byte_character_string_c *symbol) {return (void *)&wstring_type_name;}
- void *visit(single_byte_character_string_c *symbol) {return (void *)&string_type_name;}
-
-/***************************/
-/* B 1.2.3 - Time Literals */
-/***************************/
-/************************/
-/* B 1.2.3.1 - Duration */
-/************************/
- void *visit(neg_time_c *symbol) {ERROR; return NULL;} /* this member function should never be called. */
- void *visit(duration_c *symbol) {return (void *)&time_type_name;}
- void *visit(fixed_point_c *symbol) {ERROR; return NULL;} /* this member function should never be called. */
- void *visit(days_c *symbol) {ERROR; return NULL;} /* this member function should never be called. */
- void *visit(hours_c *symbol) {ERROR; return NULL;} /* this member function should never be called. */
- void *visit(minutes_c *symbol) {ERROR; return NULL;} /* this member function should never be called. */
- void *visit(seconds_c *symbol) {ERROR; return NULL;} /* this member function should never be called. */
- void *visit(milliseconds_c *symbol) {ERROR; return NULL;} /* this member function should never be called. */
-
-/************************************/
-/* B 1.2.3.2 - Time of day and Date */
-/************************************/
- void *visit(time_of_day_c *symbol) {return (void *)&tod_type_name;}
- void *visit(daytime_c *symbol) {ERROR; return NULL;} /* this member function should never be called. */
- void *visit(date_c *symbol) {return (void *)&date_type_name;}
- void *visit(date_literal_c *symbol) {ERROR; return NULL;} /* this member function should never be called. */
- void *visit(date_and_time_c *symbol) {return (void *)&dt_type_name;}
-};
-
-real_type_name_c search_constant_type_c::real_type_name;
-sint_type_name_c search_constant_type_c::sint_type_name;
-lint_type_name_c search_constant_type_c::lint_type_name;
-dint_type_name_c search_constant_type_c::dint_type_name;
-date_type_name_c search_constant_type_c::date_type_name;
-dword_type_name_c search_constant_type_c::dword_type_name;
-dt_type_name_c search_constant_type_c::dt_type_name;
-tod_type_name_c search_constant_type_c::tod_type_name;
-udint_type_name_c search_constant_type_c::udint_type_name;
-word_type_name_c search_constant_type_c::word_type_name;
-wstring_type_name_c search_constant_type_c::wstring_type_name;
-string_type_name_c search_constant_type_c::string_type_name;
-lword_type_name_c search_constant_type_c::lword_type_name;
-uint_type_name_c search_constant_type_c::uint_type_name;
-lreal_type_name_c search_constant_type_c::lreal_type_name;
-byte_type_name_c search_constant_type_c::byte_type_name;
-usint_type_name_c search_constant_type_c::usint_type_name;
-ulint_type_name_c search_constant_type_c::ulint_type_name;
-bool_type_name_c search_constant_type_c::bool_type_name;
-time_type_name_c search_constant_type_c::time_type_name;
-int_type_name_c search_constant_type_c::int_type_name;
-
-constant_real_type_name_c search_constant_type_c::constant_real_type_name;
-constant_int_type_name_c search_constant_type_c::constant_int_type_name;
-direct_variable_type_name_c search_constant_type_c::direct_variable_type_name;
-
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