--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/stage3/datatype_functions.cc Wed Aug 22 16:46:17 2012 +0200
@@ -0,0 +1,806 @@
+/*
+ * matiec - a compiler for the programming languages defined in IEC 61131-3
+ *
+ * Copyright (C) 2009-2012 Mario de Sousa (msousa@fe.up.pt)
+ * 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.
+ */
+
+#include "datatype_functions.hh"
+#include "../absyntax_utils/absyntax_utils.hh"
+#include <vector>
+
+
+
+
+
+
+elementary_type_c *elementary_type_c::singleton = NULL;
+
+const char *elementary_type_c::to_string(symbol_c *symbol) {
+ if (NULL == singleton) singleton = new elementary_type_c;
+ if (NULL == singleton) ERROR;
+ const char *res = (const char *)symbol->accept(*singleton);
+ if (NULL == res) ERROR;
+ return res;
+}
+
+
+
+
+
+/* Macro that expand to subtypes */
+/* copied from matiec/lib/create_standard_functions_txt.sh */
+#define __ANY(DO) __ANY_DERIVED(DO) __ANY_ELEMENTARY(DO)
+#define __ANY_DERIVED(DO)
+#define __ANY_ELEMENTARY(DO) __ANY_MAGNITUDE(DO) __ANY_BIT(DO) __ANY_STRING(DO) __ANY_DATE(DO)
+#define __ANY_MAGNITUDE(DO) __ANY_NUM(DO) DO(time)
+#define __ANY_BIT(DO) __ANY_NBIT(DO) DO(bool)
+#define __ANY_NBIT(DO) DO(byte) DO(word) DO(dword) DO(lword)
+//#define __ANY_STRING(DO) DO(string) DO(wstring)
+#define __ANY_STRING(DO) DO(string)
+#define __ANY_DATE(DO) DO(date) DO(tod) DO(dt)
+#define __ANY_NUM(DO) __ANY_REAL(DO) __ANY_INT(DO)
+#define __ANY_REAL(DO) DO(real) DO(lreal)
+#define __ANY_INT(DO) __ANY_SINT(DO) __ANY_UINT(DO)
+#define __ANY_SINT(DO) DO(sint) DO(int) DO(dint) DO(lint)
+#define __ANY_UINT(DO) DO(usint) DO(uint) DO(udint) DO(ulint)
+
+#define __ANY_1(DO,P1) __ANY_DERIVED_1(DO,P1) __ANY_ELEMENTARY_1(DO,P1)
+#define __ANY_DERIVED_1(DO,P1)
+#define __ANY_ELEMENTARY_1(DO,P1) __ANY_MAGNITUDE_1(DO,P1) __ANY_BIT_1(DO,P1) __ANY_STRING_1(DO,P1) __ANY_DATE_1(DO,P1)
+#define __ANY_MAGNITUDE_1(DO,P1) __ANY_NUM_1(DO,P1) DO(time,P1)
+#define __ANY_BIT_1(DO,P1) __ANY_NBIT_1(DO,P1) DO(bool,P1)
+#define __ANY_NBIT_1(DO,P1) DO(byte,P1) DO(word,P1) DO(dword,P1) DO(lword,P1)
+// #define __ANY_STRING_1(DO,P1) DO(string,P1) DO(wstring,P1)
+#define __ANY_STRING_1(DO,P1) DO(string,P1)
+#define __ANY_DATE_1(DO,P1) DO(date,P1) DO(tod,P1) DO(dt,P1)
+#define __ANY_NUM_1(DO,P1) __ANY_REAL_1(DO,P1) __ANY_INT_1(DO,P1)
+#define __ANY_REAL_1(DO,P1) DO(real,P1) DO(lreal,P1)
+#define __ANY_INT_1(DO,P1) __ANY_SINT_1(DO,P1) __ANY_UINT_1(DO,P1)
+#define __ANY_SINT_1(DO,P1) DO(sint,P1) DO(int,P1) DO(dint,P1) DO(lint,P1)
+#define __ANY_UINT_1(DO,P1) DO(usint,P1) DO(uint,P1) DO(udint,P1) DO(ulint,P1)
+
+
+/**************************************************************/
+/**************************************************************/
+/**************************************************************/
+/******* TABLE 24: Standard arithmetic functions *******/
+/******* merged with *******/
+/******* TABLE 30: Functions of time data types *******/
+/**************************************************************/
+/**************************************************************/
+/**************************************************************/
+
+/* NOTE: IEC 61131-3 v2 declares that using implicit operations ('+', '-', '*', '/') on ANYTIME data types is
+ * valid, but deprecated, suposedly meaning that they will be removed in the following version of the standard.
+ * However, the current draft version of IEC 61131-3 v3 still allows this use, and no longer declares these
+ * implicit operations as deprecated.
+ * Because of this, and although we are implementing v2 of the standard, we will no longer mark these
+ * operations as deprecated.
+ */
+ #define ANYTIME_OPER_DEPRECATION_STATUS widen_entry::ok
+//#define ANYTIME_OPER_DEPRECATION_STATUS widen_entry::deprecated
+
+
+const struct widen_entry widen_ADD_table[] = {
+#define __add(TYPE) \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, widen_entry::ok },
+ __ANY_NUM(__add)
+#undef __add
+
+ /*******************************************/
+ /*******************************************/
+ /*** Operations with TIME, DT and TOD... ***/
+ /*******************************************/
+ /*******************************************/
+ { &search_constant_type_c::time_type_name, &search_constant_type_c::time_type_name, &search_constant_type_c::time_type_name, widen_entry::ok },
+ { &search_constant_type_c::tod_type_name, &search_constant_type_c::time_type_name, &search_constant_type_c::tod_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ /* NOTE: the standard des not explicitly support the following semantics. However, since 'addition' is supposed to be commutative, we add it anyway... */
+ /* not currently supported by stage4, so it is best no tto add it for now... */
+// { &search_constant_type_c::time_type_name, &search_constant_type_c::tod_type_name, &search_constant_type_c::tod_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::dt_type_name, &search_constant_type_c::time_type_name, &search_constant_type_c::dt_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ /* NOTE: the standard des not explicitly support the following semantics. However, since 'addition' is supposed to be commutative, we add it anyway... */
+ /* not currently supported by stage4, so it is best no tto add it for now... */
+// { &search_constant_type_c::time_type_name, &search_constant_type_c::dt_type_name, &search_constant_type_c::dt_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+
+ /*******************************/
+ /* SAFE version on the left... */
+ /*******************************/
+ { &search_constant_type_c::safetime_type_name, &search_constant_type_c::time_type_name, &search_constant_type_c::time_type_name, widen_entry::ok },
+ { &search_constant_type_c::safetod_type_name, &search_constant_type_c::time_type_name, &search_constant_type_c::tod_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ /* NOTE: the standard des not explicitly support the following semantics. However, since 'addition' is supposed to be commutative, we add it anyway... */
+ /* not currently supported by stage4, so it is best no tto add it for now... */
+// { &search_constant_type_c::safetime_type_name, &search_constant_type_c::tod_type_name, &search_constant_type_c::tod_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::safedt_type_name, &search_constant_type_c::time_type_name, &search_constant_type_c::dt_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ /* NOTE: the standard des not explicitly support the following semantics. However, since 'addition' is supposed to be commutative, we add it anyway... */
+ /* not currently supported by stage4, so it is best no tto add it for now... */
+// { &search_constant_type_c::safetime_type_name, &search_constant_type_c::dt_type_name, &search_constant_type_c::dt_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+
+ /********************************/
+ /* SAFE version on the right... */
+ /********************************/
+ { &search_constant_type_c::time_type_name, &search_constant_type_c::safetime_type_name, &search_constant_type_c::time_type_name, widen_entry::ok },
+ { &search_constant_type_c::tod_type_name, &search_constant_type_c::safetime_type_name, &search_constant_type_c::tod_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ /* NOTE: the standard des not explicitly support the following semantics. However, since 'addition' is supposed to be commutative, we add it anyway... */
+ /* not currently supported by stage4, so it is best no tto add it for now... */
+// { &search_constant_type_c::time_type_name, &search_constant_type_c::safetod_type_name, &search_constant_type_c::tod_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::dt_type_name, &search_constant_type_c::safetime_type_name, &search_constant_type_c::dt_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ /* NOTE: the standard des not explicitly support the following semantics. However, since 'addition' is supposed to be commutative, we add it anyway... */
+ /* not currently supported by stage4, so it is best no tto add it for now... */
+// { &search_constant_type_c::time_type_name, &search_constant_type_c::safedt_type_name, &search_constant_type_c::dt_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+
+ /*************************************/
+ /* SAFE version on left and right... */
+ /*************************************/
+ { &search_constant_type_c::safetime_type_name, &search_constant_type_c::safetime_type_name, &search_constant_type_c::safetime_type_name, widen_entry::ok },
+ { &search_constant_type_c::safetod_type_name, &search_constant_type_c::safetime_type_name, &search_constant_type_c::safetod_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ /* NOTE: the standard des not explicitly support the following semantics. However, since 'addition' is supposed to be commutative, we add it anyway... */
+ /* not currently supported by stage4, so it is best no tto add it for now... */
+// { &search_constant_type_c::safetime_type_name, &search_constant_type_c::safetod_type_name, &search_constant_type_c::safetod_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::safedt_type_name, &search_constant_type_c::safetime_type_name, &search_constant_type_c::safedt_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ /* NOTE: the standard des not explicitly support the following semantics. However, since 'addition' is supposed to be commutative, we add it anyway... */
+ /* not currently supported by stage4, so it is best no tto add it for now... */
+// { &search_constant_type_c::safetime_type_name, &search_constant_type_c::safedt_type_name, &search_constant_type_c::safedt_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+
+ { NULL, NULL, NULL, widen_entry::ok },
+};
+
+
+
+
+
+
+
+const struct widen_entry widen_SUB_table[] = {
+#define __sub(TYPE) \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, widen_entry::ok },
+ __ANY_NUM(__sub)
+#undef __sub
+
+ /*******************************************/
+ /*******************************************/
+ /*** Operations with TIME, DT and TOD... ***/
+ /*******************************************/
+ /*******************************************/
+ { &search_constant_type_c::time_type_name, &search_constant_type_c::time_type_name, &search_constant_type_c::time_type_name, widen_entry::ok },
+ { &search_constant_type_c::date_type_name, &search_constant_type_c::date_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::tod_type_name, &search_constant_type_c::time_type_name, &search_constant_type_c::tod_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::tod_type_name, &search_constant_type_c::tod_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::dt_type_name, &search_constant_type_c::time_type_name, &search_constant_type_c::dt_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::dt_type_name, &search_constant_type_c::dt_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+
+ /*******************************/
+ /* SAFE version on the left... */
+ /*******************************/
+ { &search_constant_type_c::safetime_type_name, &search_constant_type_c::time_type_name, &search_constant_type_c::time_type_name, widen_entry::ok },
+ { &search_constant_type_c::safedate_type_name, &search_constant_type_c::date_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::safetod_type_name, &search_constant_type_c::time_type_name, &search_constant_type_c::tod_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::safetod_type_name, &search_constant_type_c::tod_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::safedt_type_name, &search_constant_type_c::time_type_name, &search_constant_type_c::dt_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::safedt_type_name, &search_constant_type_c::dt_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+
+ /********************************/
+ /* SAFE version on the right... */
+ /********************************/
+ { &search_constant_type_c::time_type_name, &search_constant_type_c::safetime_type_name, &search_constant_type_c::time_type_name, widen_entry::ok },
+ { &search_constant_type_c::date_type_name, &search_constant_type_c::safedate_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::tod_type_name, &search_constant_type_c::safetime_type_name, &search_constant_type_c::tod_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::tod_type_name, &search_constant_type_c::safetod_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::dt_type_name, &search_constant_type_c::safetime_type_name, &search_constant_type_c::dt_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::dt_type_name, &search_constant_type_c::safedt_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+
+ /*************************************/
+ /* SAFE version on left and right... */
+ /*************************************/
+ { &search_constant_type_c::safetime_type_name, &search_constant_type_c::safetime_type_name, &search_constant_type_c::safetime_type_name, widen_entry::ok },
+ { &search_constant_type_c::safedate_type_name, &search_constant_type_c::safedate_type_name, &search_constant_type_c::safetime_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::safetod_type_name, &search_constant_type_c::safetime_type_name, &search_constant_type_c::safetod_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::safetod_type_name, &search_constant_type_c::safetod_type_name, &search_constant_type_c::safetime_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::safedt_type_name, &search_constant_type_c::safetime_type_name, &search_constant_type_c::safedt_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ { &search_constant_type_c::safedt_type_name, &search_constant_type_c::safedt_type_name, &search_constant_type_c::safetime_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+
+ { NULL, NULL, NULL, widen_entry::ok },
+};
+
+
+
+
+
+
+
+const struct widen_entry widen_MUL_table[] = {
+#define __mul(TYPE) \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, widen_entry::ok },
+ __ANY_NUM(__mul)
+#undef __mul
+
+ /*******************************************/
+ /*******************************************/
+ /*** Operations with TIME, DT and TOD... ***/
+ /*******************************************/
+ /*******************************************/
+#define __multime(TYPE) \
+ { &search_constant_type_c::time_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS }, \
+ { &search_constant_type_c::safetime_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS }, \
+ { &search_constant_type_c::time_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS }, \
+ { &search_constant_type_c::safetime_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safetime_type_name, ANYTIME_OPER_DEPRECATION_STATUS }, \
+ /* NOTE: the standard des not explicitly support the following semantics. However, since 'multiplication' is supposed to be commutative, we add it anyway... */ \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::time_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::time_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS }, \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::safetime_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safetime_type_name, &search_constant_type_c::safetime_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ __ANY_NUM(__multime)
+#undef __multime
+
+ { NULL, NULL, NULL, widen_entry::ok },
+};
+
+
+
+
+
+const struct widen_entry widen_DIV_table[] = {
+#define __div(TYPE) \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, widen_entry::ok },
+ __ANY_NUM(__div)
+#undef __div
+
+ /*******************************************/
+ /*******************************************/
+ /*** Operations with TIME, DT and TOD... ***/
+ /*******************************************/
+ /*******************************************/
+#define __divtime(TYPE) \
+ { &search_constant_type_c::time_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS }, \
+ { &search_constant_type_c::safetime_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS }, \
+ { &search_constant_type_c::time_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::time_type_name, ANYTIME_OPER_DEPRECATION_STATUS }, \
+ { &search_constant_type_c::safetime_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safetime_type_name, ANYTIME_OPER_DEPRECATION_STATUS },
+ __ANY_NUM(__divtime)
+#undef __divtime
+
+ { NULL, NULL, NULL, widen_entry::ok },
+ };
+
+
+
+
+const struct widen_entry widen_MOD_table[] = {
+#define __mod(TYPE) \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, widen_entry::ok },
+ __ANY_NUM(__mod)
+#undef __mod
+
+ { NULL, NULL, NULL, widen_entry::ok },
+};
+
+
+
+
+const struct widen_entry widen_EXPT_table[] = {
+#define __expt(IN2TYPE, IN1TYPE) \
+ { &search_constant_type_c::IN1TYPE##_type_name, &search_constant_type_c::IN2TYPE##_type_name, &search_constant_type_c::IN1TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##IN1TYPE##_type_name, &search_constant_type_c::IN2TYPE##_type_name, &search_constant_type_c::IN1TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::IN1TYPE##_type_name, &search_constant_type_c::safe##IN2TYPE##_type_name, &search_constant_type_c::IN1TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##IN1TYPE##_type_name, &search_constant_type_c::safe##IN2TYPE##_type_name, &search_constant_type_c::safe##IN1TYPE##_type_name, widen_entry::ok },
+#define __IN2_anynum_(IN1_TYPENAME) __ANY_NUM_1(__expt,IN1_TYPENAME)
+ __ANY_REAL(__IN2_anynum_)
+#undef __expt
+#undef __IN2_anynum_
+ { NULL, NULL, NULL, widen_entry::ok },
+};
+
+
+
+/**************************************************************/
+/**************************************************************/
+/**************************************************************/
+/******* *******/
+/******* TABLE 26: Standard bitwise Boolean functions *******/
+/******* *******/
+/**************************************************************/
+/**************************************************************/
+/**************************************************************/
+/* table used by AND and ANDN operators, and and_expression */
+const struct widen_entry widen_AND_table[] = {
+#define __and(TYPE) \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, widen_entry::ok },
+ __ANY_BIT(__and)
+#undef __and
+
+ { NULL, NULL, NULL, widen_entry::ok },
+};
+
+/* table used by OR and ORN operators, and or_expression */
+const struct widen_entry widen_OR_table[] = {
+#define __or(TYPE) \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, widen_entry::ok },
+ __ANY_BIT(__or)
+#undef __or
+
+ { NULL, NULL, NULL, widen_entry::ok },
+};
+
+
+/* table used by XOR and XORN operators, and xor_expression */
+const struct widen_entry widen_XOR_table[] = {
+#define __xor(TYPE) \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, widen_entry::ok },
+ __ANY_BIT(__xor)
+#undef __xor
+
+ { NULL, NULL, NULL, widen_entry::ok },
+};
+
+/**************************************************************/
+/**************************************************************/
+/**************************************************************/
+/******* *******/
+/******* TABLE 28: Standard comparison functions *******/
+/******* *******/
+/**************************************************************/
+/**************************************************************/
+/**************************************************************/
+/* table used by GT, GE, EQ, LE, LT, and NE operators, and equivalent ST expressions. */
+const struct widen_entry widen_CMP_table[] = {
+#define __cmp(TYPE) \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::bool_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::bool_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::bool_type_name, widen_entry::ok }, \
+ { &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safe##TYPE##_type_name, &search_constant_type_c::safebool_type_name, widen_entry::ok },
+ __ANY_ELEMENTARY(__cmp)
+#undef __cmp
+
+ { NULL, NULL, NULL, widen_entry::ok },
+};
+
+
+/* Search for a datatype inside a candidate_datatypes list.
+ * Returns: position of datatype in the list, or -1 if not found.
+ */
+int search_in_candidate_datatype_list(symbol_c *datatype, const std::vector <symbol_c *> &candidate_datatypes) {
+ if (NULL == datatype)
+ return -1;
+
+ for(unsigned int i = 0; i < candidate_datatypes.size(); i++)
+ if (is_type_equal(datatype, candidate_datatypes[i]))
+ return i;
+ /* Not found ! */
+ return -1;
+}
+
+/* Remove a datatype inside a candidate_datatypes list.
+ * Returns: If successful it returns true, false otherwise.
+ */
+bool remove_from_candidate_datatype_list(symbol_c *datatype, std::vector <symbol_c *> &candidate_datatypes) {
+ int pos = search_in_candidate_datatype_list(datatype, candidate_datatypes);
+ if (pos < 0)
+ return false;
+
+ candidate_datatypes.erase(candidate_datatypes.begin() + pos);
+ return true;
+}
+
+
+
+/* Intersect two candidate_datatype_lists.
+ * Remove from list1 (origin, dest.) all elements that are not found in list2 (with).
+ * In essence, list1 will contain the result of the intersection of list1 with list2.
+ * In other words, modify list1 so it only contains the elelements that are simultaneously in list1 and list2!
+ */
+void intersect_candidate_datatype_list(symbol_c *list1 /*origin, dest.*/, symbol_c *list2 /*with*/) {
+ if ((NULL == list1) || (NULL == list2))
+ /* In principle, we should never call it with NULL values. Best to abort the compiler just in case! */
+ return;
+
+ for(std::vector<symbol_c *>::iterator i = list1->candidate_datatypes.begin(); i < list1->candidate_datatypes.end(); ) {
+ /* Note that we do _not_ increment i in the for() loop!
+ * When we erase an element from position i, a new element will take it's place, that must also be tested!
+ */
+ if (search_in_candidate_datatype_list(*i, list2->candidate_datatypes) < 0)
+ /* remove this element! This will change the value of candidate_datatypes.size() */
+ list1->candidate_datatypes.erase(i);
+ else i++;
+ }
+}
+
+
+
+
+/* intersect the candidate_datatype lists of all prev_il_intructions, and set the local candidate_datatype list to the result! */
+void intersect_prev_candidate_datatype_lists(il_instruction_c *symbol) {
+ if (symbol->prev_il_instruction.empty())
+ return;
+
+ symbol->candidate_datatypes = symbol->prev_il_instruction[0]->candidate_datatypes;
+ for (unsigned int i = 1; i < symbol->prev_il_instruction.size(); i++) {
+ intersect_candidate_datatype_list(symbol /*origin, dest.*/, symbol->prev_il_instruction[i] /*with*/);
+ }
+}
+
+
+
+
+/* A helper function... */
+bool is_ANY_ELEMENTARY_type(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ return is_ANY_MAGNITUDE_type(type_symbol)
+ || is_ANY_BIT_type (type_symbol)
+ || is_ANY_STRING_type (type_symbol)
+ || is_ANY_DATE_type (type_symbol);
+}
+
+/* A helper function... */
+bool is_ANY_SAFEELEMENTARY_type(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ return is_ANY_SAFEMAGNITUDE_type(type_symbol)
+ || is_ANY_SAFEBIT_type (type_symbol)
+ || is_ANY_SAFESTRING_type (type_symbol)
+ || is_ANY_SAFEDATE_type (type_symbol);
+}
+
+/* A helper function... */
+bool is_ANY_ELEMENTARY_compatible(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ /* NOTE: doing
+ * return is_ANY_SAFEELEMENTARY_type() || is_ANY_ELEMENTARY_type()
+ * is incorrect, as the literals would never be considered compatible...
+ */
+ return is_ANY_MAGNITUDE_compatible(type_symbol)
+ || is_ANY_BIT_compatible (type_symbol)
+ || is_ANY_STRING_compatible (type_symbol)
+ || is_ANY_DATE_compatible (type_symbol);
+}
+
+
+/* A helper function... */
+bool is_ANY_MAGNITUDE_type(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (typeid(*type_symbol) == typeid(time_type_name_c)) {return true;}
+ return is_ANY_NUM_type(type_symbol);
+}
+
+/* A helper function... */
+bool is_ANY_signed_MAGNITUDE_type(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (typeid(*type_symbol) == typeid(time_type_name_c)) {return true;}
+ return is_ANY_signed_NUM_type(type_symbol);
+}
+
+/* A helper function... */
+bool is_ANY_SAFEMAGNITUDE_type(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (typeid(*type_symbol) == typeid(safetime_type_name_c)) {return true;}
+ return is_ANY_SAFENUM_type(type_symbol);
+}
+
+/* A helper function... */
+bool is_ANY_signed_SAFEMAGNITUDE_type(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(type_symbol);
+}
+
+/* A helper function... */
+bool is_ANY_MAGNITUDE_compatible(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (is_ANY_MAGNITUDE_type (type_symbol)) {return true;}
+ if (is_ANY_SAFEMAGNITUDE_type(type_symbol)) {return true;}
+ return is_ANY_NUM_compatible(type_symbol);
+}
+
+/* A helper function... */
+bool is_ANY_signed_MAGNITUDE_compatible(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (is_ANY_signed_MAGNITUDE_type (type_symbol)) {return true;}
+ if (is_ANY_signed_SAFEMAGNITUDE_type(type_symbol)) {return true;}
+ return is_ANY_signed_NUM_compatible(type_symbol);
+}
+
+/* A helper function... */
+bool is_ANY_NUM_type(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (is_ANY_REAL_type(type_symbol)) {return true;}
+ if (is_ANY_INT_type(type_symbol)) {return true;}
+ return false;
+}
+
+/* A helper function... */
+bool is_ANY_signed_NUM_type(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (is_ANY_REAL_type(type_symbol)) {return true;}
+ if (is_ANY_signed_INT_type(type_symbol)) {return true;}
+ return false;
+}
+
+/* A helper function... */
+bool is_ANY_SAFENUM_type(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ return is_ANY_SAFEREAL_type(type_symbol)
+ || is_ANY_SAFEINT_type (type_symbol);
+}
+
+/* A helper function... */
+bool is_ANY_signed_SAFENUM_type(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ return is_ANY_SAFEREAL_type(type_symbol)
+ || is_ANY_signed_SAFEINT_type (type_symbol);
+}
+
+/* A helper function... */
+bool is_ANY_NUM_compatible(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (is_ANY_REAL_compatible(type_symbol)) {return true;}
+ if (is_ANY_INT_compatible(type_symbol)) {return true;}
+ return false;
+}
+
+/* A helper function... */
+bool is_ANY_signed_NUM_compatible(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (is_ANY_REAL_compatible(type_symbol)) {return true;}
+ if (is_ANY_signed_INT_compatible(type_symbol)) {return true;}
+ return false;
+}
+
+/* A helper function... */
+bool is_ANY_DATE_type(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;
+}
+
+/* A helper function... */
+bool is_ANY_SAFEDATE_type(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;
+}
+
+/* A helper function... */
+bool is_ANY_DATE_compatible(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (is_ANY_DATE_type (type_symbol)) {return true;}
+ if (is_ANY_SAFEDATE_type(type_symbol)) {return true;}
+ return false;
+}
+
+/* A helper function... */
+bool is_ANY_STRING_type(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;
+}
+
+/* A helper function... */
+bool is_ANY_SAFESTRING_type(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;
+}
+
+/* A helper function... */
+bool is_ANY_STRING_compatible(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (is_ANY_STRING_type (type_symbol)) {return true;}
+ if (is_ANY_SAFESTRING_type(type_symbol)) {return true;}
+ return false;
+}
+
+/* A helper function... */
+bool is_ANY_INT_type(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;}
+ 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;
+}
+
+/* A helper function... */
+bool is_ANY_signed_INT_type(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;
+}
+
+/* A helper function... */
+bool is_ANY_signed_SAFEINT_type(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;
+}
+
+/* A helper function... */
+bool is_ANY_SAFEINT_type(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;}
+ 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;
+}
+
+/* A helper function... */
+bool is_ANY_signed_INT_compatible(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (is_ANY_signed_INT_type (type_symbol)) {return true;}
+ if (is_ANY_signed_SAFEINT_type(type_symbol)) {return true;}
+ return false;
+}
+
+/* A helper function... */
+bool is_ANY_INT_compatible(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (is_ANY_INT_type (type_symbol)) {return true;}
+ if (is_ANY_SAFEINT_type(type_symbol)) {return true;}
+ return false;
+}
+
+/* A helper function... */
+bool is_ANY_REAL_type(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;
+}
+
+/* A helper function... */
+bool is_ANY_SAFEREAL_type(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;
+}
+
+/* A helper function... */
+bool is_ANY_REAL_compatible(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (is_ANY_REAL_type (type_symbol)) {return true;}
+ if (is_ANY_SAFEREAL_type(type_symbol)) {return true;}
+ return false;
+}
+
+/* A helper function... */
+bool is_ANY_BIT_type(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (typeid(*type_symbol) == typeid(bool_type_name_c)) {return true;}
+ 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;
+}
+
+/* A helper function... */
+bool is_ANY_SAFEBIT_type(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (typeid(*type_symbol) == typeid(safebool_type_name_c)) {return true;}
+ 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;
+}
+
+/* A helper function... */
+bool is_ANY_BIT_compatible(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (is_ANY_BIT_type (type_symbol)) {return true;}
+ if (is_ANY_SAFEBIT_type(type_symbol)) {return true;}
+ return false;
+}
+
+/* A helper function... */
+bool is_BOOL_type(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (typeid(*type_symbol) == typeid(bool_type_name_c)) {return true;}
+ return false;
+}
+
+/* A helper function... */
+bool is_SAFEBOOL_type(symbol_c *type_symbol){
+ if (type_symbol == NULL) {return false;}
+ if (typeid(*type_symbol) == typeid(safebool_type_name_c)) {return true;}
+ return false;
+}
+
+/* A helper function... */
+bool is_ANY_BOOL_compatible(symbol_c *type_symbol) {
+ if (type_symbol == NULL) {return false;}
+ if (is_BOOL_type (type_symbol)) {return true;}
+ if (is_SAFEBOOL_type(type_symbol)) {return true;}
+ return false;
+}
+
+
+
+
+
+bool 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 (is_ANY_ELEMENTARY_type(first_type)) {
+ if (typeid(*first_type) == typeid(*second_type))
+ return true;
+ } else /* ANY_DERIVED */
+ return (first_type == second_type);
+
+ return false;
+}
+
+
+
+bool is_type_valid(symbol_c *type) {
+ if (NULL == type)
+ return false;
+ if (typeid(*type) == typeid(invalid_type_name_c))
+ return false;
+
+ return true;
+}