msousa@417: /*
msousa@417:  *  matiec - a compiler for the programming languages defined in IEC 61131-3
msousa@417:  *
msousa@417:  *  Copyright (C) 2009-2012  Mario de Sousa (msousa@fe.up.pt)
msousa@417:  *  Copyright (C) 2012       Manuele Conti  (conti.ma@alice.it)
msousa@417:  *
msousa@417:  *  This program is free software: you can redistribute it and/or modify
msousa@417:  *  it under the terms of the GNU General Public License as published by
msousa@417:  *  the Free Software Foundation, either version 3 of the License, or
msousa@417:  *  (at your option) any later version.
msousa@417:  *
msousa@417:  *  This program is distributed in the hope that it will be useful,
msousa@417:  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
msousa@417:  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
msousa@417:  *  GNU General Public License for more details.
msousa@417:  *
msousa@417:  *  You should have received a copy of the GNU General Public License
msousa@417:  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
msousa@417:  *
msousa@417:  *
msousa@417:  * This code is made available on the understanding that it will not be
msousa@417:  * used in safety-critical situations without a full and competent review.
msousa@417:  */
msousa@417: 
msousa@417: #include "datatype_functions.hh"
msousa@417: #include "../absyntax_utils/absyntax_utils.hh"
msousa@457: #include <vector>
msousa@556: 
msousa@417: 
msousa@434: 
msousa@434: 
msousa@434: 
msousa@434: 
msousa@434: elementary_type_c *elementary_type_c::singleton = NULL;
msousa@434: 
msousa@434: const char *elementary_type_c::to_string(symbol_c *symbol) {
msousa@434:   if (NULL == singleton)    singleton = new elementary_type_c;
msousa@434:   if (NULL == singleton)    ERROR;
msousa@434:   const char *res           = (const char *)symbol->accept(*singleton);
msousa@556:   if (NULL == res)          ERROR;
msousa@434:   return res;
msousa@434: }
msousa@434: 
msousa@434: 
msousa@434: 
msousa@434: 
msousa@434: 
msousa@475: /* Macro that expand to subtypes */
msousa@475: /* copied from matiec/lib/create_standard_functions_txt.sh */
msousa@475: #define __ANY(DO)                 __ANY_DERIVED(DO) __ANY_ELEMENTARY(DO)
msousa@475: #define __ANY_DERIVED(DO)
msousa@475: #define __ANY_ELEMENTARY(DO)      __ANY_MAGNITUDE(DO) __ANY_BIT(DO) __ANY_STRING(DO) __ANY_DATE(DO)
msousa@484: #define __ANY_MAGNITUDE(DO)       __ANY_NUM(DO) DO(time)
msousa@481: #define __ANY_BIT(DO)             __ANY_NBIT(DO) DO(bool)
msousa@475: #define __ANY_NBIT(DO)            DO(byte) DO(word) DO(dword) DO(lword)
msousa@475: //#define __ANY_STRING(DO)          DO(string) DO(wstring)
msousa@475: #define __ANY_STRING(DO)          DO(string)
msousa@475: #define __ANY_DATE(DO)            DO(date) DO(tod) DO(dt)
msousa@475: #define __ANY_NUM(DO)             __ANY_REAL(DO) __ANY_INT(DO)
msousa@475: #define __ANY_REAL(DO)            DO(real) DO(lreal)
msousa@475: #define __ANY_INT(DO)             __ANY_SINT(DO) __ANY_UINT(DO)
msousa@475: #define __ANY_SINT(DO)            DO(sint) DO(int) DO(dint) DO(lint)
msousa@475: #define __ANY_UINT(DO)            DO(usint) DO(uint) DO(udint) DO(ulint)
msousa@475: 
msousa@475: #define __ANY_1(DO,P1)            __ANY_DERIVED_1(DO,P1) __ANY_ELEMENTARY_1(DO,P1)
msousa@475: #define __ANY_DERIVED_1(DO,P1)
msousa@475: #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)
msousa@484: #define __ANY_MAGNITUDE_1(DO,P1)  __ANY_NUM_1(DO,P1) DO(time,P1)
msousa@484: #define __ANY_BIT_1(DO,P1)        __ANY_NBIT_1(DO,P1) DO(bool,P1)
msousa@475: #define __ANY_NBIT_1(DO,P1)       DO(byte,P1) DO(word,P1) DO(dword,P1) DO(lword,P1)
msousa@475: // #define __ANY_STRING_1(DO,P1)     DO(string,P1) DO(wstring,P1)
msousa@475: #define __ANY_STRING_1(DO,P1)     DO(string,P1)
msousa@475: #define __ANY_DATE_1(DO,P1)       DO(date,P1) DO(tod,P1) DO(dt,P1)
msousa@475: #define __ANY_NUM_1(DO,P1)        __ANY_REAL_1(DO,P1) __ANY_INT_1(DO,P1)
msousa@475: #define __ANY_REAL_1(DO,P1)       DO(real,P1) DO(lreal,P1)
msousa@475: #define __ANY_INT_1(DO,P1)        __ANY_SINT_1(DO,P1) __ANY_UINT_1(DO,P1)
msousa@475: #define __ANY_SINT_1(DO,P1)       DO(sint,P1) DO(int,P1) DO(dint,P1) DO(lint,P1)
msousa@475: #define __ANY_UINT_1(DO,P1)       DO(usint,P1) DO(uint,P1) DO(udint,P1) DO(ulint,P1)
msousa@475: 
msousa@475: 
msousa@490: /**************************************************************/
msousa@490: /**************************************************************/
msousa@490: /**************************************************************/
msousa@490: /*******  TABLE 24: Standard arithmetic functions       *******/
msousa@490: /*******    merged with                                 *******/
msousa@490: /*******  TABLE 30: Functions of time data types        *******/
msousa@490: /**************************************************************/
msousa@490: /**************************************************************/
msousa@490: /**************************************************************/
msousa@490: 
msousa@517: /* NOTE: IEC 61131-3 v2 declares that using implicit operations ('+', '-', '*', '/') on ANYTIME data types is
msousa@517:  *       valid, but deprecated, suposedly meaning that they will be removed in the following version of the standard.
msousa@517:  *       However, the current draft version of IEC 61131-3 v3 still allows this use, and no longer declares these
msousa@517:  *       implicit operations as deprecated.
msousa@517:  *       Because of this, and although we are implementing v2 of the standard, we will no longer mark these 
msousa@517:  *       operations as deprecated.
msousa@517:  */
msousa@517:   #define ANYTIME_OPER_DEPRECATION_STATUS widen_entry::ok
msousa@517: //#define ANYTIME_OPER_DEPRECATION_STATUS widen_entry::deprecated
msousa@517: 
msousa@417: 
msousa@417: const struct widen_entry widen_ADD_table[] = {
msousa@478: #define __add(TYPE)       \
msousa@517:     { &search_constant_type_c::TYPE##_type_name,        &search_constant_type_c::TYPE##_type_name,          &search_constant_type_c::TYPE##_type_name,       widen_entry::ok                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 },
msousa@478:     __ANY_NUM(__add)
msousa@478: #undef __add
msousa@478: 
msousa@478:     /*******************************************/
msousa@478:     /*******************************************/
msousa@478:     /*** Operations with TIME, DT and TOD... ***/
msousa@478:     /*******************************************/
msousa@478:     /*******************************************/ 
msousa@517:     { &search_constant_type_c::time_type_name,          &search_constant_type_c::time_type_name,            &search_constant_type_c::time_type_name,         widen_entry::ok                 },
msousa@517:     { &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 },
msousa@478:     /* NOTE: the standard des not explicitly support the following semantics. However, since 'addition' is supposed to be commutative, we add it anyway... */
msousa@478:     /* not currently supported by stage4, so it is best no tto add it for now... */
msousa@517: //  { &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 },
msousa@517:     { &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 },         
msousa@478:     /* NOTE: the standard des not explicitly support the following semantics. However, since 'addition' is supposed to be commutative, we add it anyway... */
msousa@478:     /* not currently supported by stage4, so it is best no tto add it for now... */
msousa@517: //  { &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 },         
msousa@474: 
msousa@474:     /*******************************/
msousa@474:     /* SAFE version on the left... */
msousa@474:     /*******************************/
msousa@517:     { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::time_type_name,            &search_constant_type_c::time_type_name,         widen_entry::ok                 },
msousa@517:     { &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 },
msousa@475:     /* NOTE: the standard des not explicitly support the following semantics. However, since 'addition' is supposed to be commutative, we add it anyway... */
msousa@478:     /* not currently supported by stage4, so it is best no tto add it for now... */
msousa@517: //  { &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 },
msousa@517:     { &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 },         
msousa@475:     /* NOTE: the standard des not explicitly support the following semantics. However, since 'addition' is supposed to be commutative, we add it anyway... */
msousa@478:     /* not currently supported by stage4, so it is best no tto add it for now... */
msousa@517: //  { &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 },         
msousa@474: 
msousa@474:     /********************************/
msousa@474:     /* SAFE version on the right... */
msousa@474:     /********************************/
msousa@517:     { &search_constant_type_c::time_type_name,          &search_constant_type_c::safetime_type_name,        &search_constant_type_c::time_type_name,         widen_entry::ok         },
msousa@517:     { &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 },
msousa@475:     /* NOTE: the standard des not explicitly support the following semantics. However, since 'addition' is supposed to be commutative, we add it anyway... */
msousa@478:     /* not currently supported by stage4, so it is best no tto add it for now... */
msousa@517: //  { &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 },
msousa@517:     { &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 },         
msousa@475:     /* NOTE: the standard des not explicitly support the following semantics. However, since 'addition' is supposed to be commutative, we add it anyway... */
msousa@478:     /* not currently supported by stage4, so it is best no tto add it for now... */
msousa@517: //  { &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 },         
msousa@474: 
msousa@474:     /*************************************/
msousa@474:     /* SAFE version on left and right... */
msousa@474:     /*************************************/
msousa@517:     { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safetime_type_name,        &search_constant_type_c::safetime_type_name,     widen_entry::ok                 },
msousa@517:     { &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 },
msousa@475:     /* NOTE: the standard des not explicitly support the following semantics. However, since 'addition' is supposed to be commutative, we add it anyway... */
msousa@478:     /* not currently supported by stage4, so it is best no tto add it for now... */
msousa@517: //  { &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 },
msousa@517:     { &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 },         
msousa@475:     /* NOTE: the standard des not explicitly support the following semantics. However, since 'addition' is supposed to be commutative, we add it anyway... */
msousa@478:     /* not currently supported by stage4, so it is best no tto add it for now... */
msousa@517: //  { &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 },
msousa@474:    
conti@458:     { NULL, NULL, NULL, widen_entry::ok },
msousa@417: };
msousa@417: 
msousa@417: 
msousa@474: 
msousa@474: 
msousa@475: 
msousa@475: 
msousa@475: 
msousa@417: const struct widen_entry widen_SUB_table[] = {
msousa@478: #define __sub(TYPE)       \
msousa@517:     { &search_constant_type_c::TYPE##_type_name,        &search_constant_type_c::TYPE##_type_name,          &search_constant_type_c::TYPE##_type_name,       widen_entry::ok                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 },
msousa@478:     __ANY_NUM(__sub)
msousa@478: #undef __sub
msousa@478: 
msousa@478:     /*******************************************/
msousa@478:     /*******************************************/
msousa@478:     /*** Operations with TIME, DT and TOD... ***/
msousa@478:     /*******************************************/
msousa@478:     /*******************************************/ 
msousa@517:     { &search_constant_type_c::time_type_name,          &search_constant_type_c::time_type_name,            &search_constant_type_c::time_type_name,         widen_entry::ok                 },
msousa@517:     { &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 },
msousa@517:     { &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 },
msousa@517:     { &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 },
msousa@517:     { &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 },
msousa@517:     { &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 },        
msousa@474: 
msousa@474:     /*******************************/
msousa@474:     /* SAFE version on the left... */
msousa@474:     /*******************************/
msousa@517:     { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::time_type_name,            &search_constant_type_c::time_type_name,         widen_entry::ok                 },
msousa@517:     { &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 },
msousa@517:     { &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 },
msousa@517:     { &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 },
msousa@517:     { &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 },
msousa@517:     { &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 },        
msousa@474: 
msousa@474:     /********************************/
msousa@474:     /* SAFE version on the right... */
msousa@474:     /********************************/
msousa@517:     { &search_constant_type_c::time_type_name,          &search_constant_type_c::safetime_type_name,        &search_constant_type_c::time_type_name,         widen_entry::ok                 },
msousa@517:     { &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 },
msousa@517:     { &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 },
msousa@517:     { &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 },
msousa@517:     { &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 },
msousa@517:     { &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 },        
msousa@474: 
msousa@474:     /*************************************/
msousa@474:     /* SAFE version on left and right... */
msousa@474:     /*************************************/
msousa@517:     { &search_constant_type_c::safetime_type_name,      &search_constant_type_c::safetime_type_name,        &search_constant_type_c::safetime_type_name,     widen_entry::ok                 },
msousa@517:     { &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 },
msousa@517:     { &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 },
msousa@517:     { &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 },
msousa@517:     { &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 },
msousa@517:     { &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 },        
msousa@474: 
conti@458:     { NULL, NULL, NULL, widen_entry::ok },
msousa@417: };
msousa@417: 
msousa@474: 
msousa@474: 
msousa@474: 
msousa@474: 
msousa@474: 
msousa@474: 
msousa@417: const struct widen_entry widen_MUL_table[] = {
msousa@478: #define __mul(TYPE)       \
msousa@517:     { &search_constant_type_c::TYPE##_type_name,        &search_constant_type_c::TYPE##_type_name,          &search_constant_type_c::TYPE##_type_name,       widen_entry::ok                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 },
msousa@478:     __ANY_NUM(__mul)
msousa@478: #undef __mul
msousa@478: 
msousa@478:     /*******************************************/
msousa@478:     /*******************************************/
msousa@478:     /*** Operations with TIME, DT and TOD... ***/
msousa@478:     /*******************************************/
msousa@478:     /*******************************************/ 
msousa@475: #define __multime(TYPE)       \
msousa@517:     { &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 }, \
msousa@517:     { &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 }, \
msousa@517:     { &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 }, \
msousa@517:     { &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 }, \
msousa@480:     /* NOTE: the standard des not explicitly support the following semantics. However, since 'multiplication' is supposed to be commutative, we add it anyway... */                 \
msousa@517:     { &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 }, \
msousa@517:     { &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 }, \
msousa@517:     { &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 }, \
msousa@517:     { &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 },
msousa@475:     __ANY_NUM(__multime)
msousa@475: #undef __multime
conti@458: 
conti@458:     { NULL, NULL, NULL, widen_entry::ok },
msousa@417: };
msousa@417: 
msousa@475: 
msousa@475: 
msousa@475: 
msousa@475: 
msousa@417: const struct widen_entry widen_DIV_table[] = {
msousa@478: #define __div(TYPE)       \
msousa@517:     { &search_constant_type_c::TYPE##_type_name,        &search_constant_type_c::TYPE##_type_name,          &search_constant_type_c::TYPE##_type_name,       widen_entry::ok                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 },
msousa@478:     __ANY_NUM(__div)
msousa@478: #undef __div
msousa@478: 
msousa@478:     /*******************************************/
msousa@478:     /*******************************************/
msousa@478:     /*** Operations with TIME, DT and TOD... ***/
msousa@478:     /*******************************************/
msousa@478:     /*******************************************/ 
msousa@475: #define __divtime(TYPE)       \
msousa@517:     { &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 }, \
msousa@517:     { &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 }, \
msousa@517:     { &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 }, \
msousa@517:     { &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 },
msousa@475:     __ANY_NUM(__divtime)
msousa@475: #undef __divtime
conti@458: 
conti@458:     { NULL, NULL, NULL, widen_entry::ok },
conti@458:  };
conti@458: 
conti@458:  
msousa@480: 
msousa@480: 
msousa@480: const struct widen_entry widen_MOD_table[] = {
msousa@480: #define __mod(TYPE)       \
msousa@517:     { &search_constant_type_c::TYPE##_type_name,        &search_constant_type_c::TYPE##_type_name,          &search_constant_type_c::TYPE##_type_name,       widen_entry::ok                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 },
msousa@480:     __ANY_NUM(__mod)
msousa@480: #undef __mod
msousa@480: 
msousa@480:     { NULL, NULL, NULL, widen_entry::ok },
msousa@480: };
msousa@480:  
msousa@480:  
msousa@481: 
msousa@481: 
msousa@490: const struct widen_entry widen_EXPT_table[] = {
msousa@490: #define __expt(IN2TYPE, IN1TYPE)       \
msousa@517:     { &search_constant_type_c::IN1TYPE##_type_name,        &search_constant_type_c::IN2TYPE##_type_name,          &search_constant_type_c::IN1TYPE##_type_name,       widen_entry::ok        }, \
msousa@517:     { &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        }, \
msousa@517:     { &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        }, \
msousa@517:     { &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        },
msousa@490: #define __IN2_anynum_(IN1_TYPENAME)   __ANY_NUM_1(__expt,IN1_TYPENAME)
msousa@490:     __ANY_REAL(__IN2_anynum_)
msousa@490: #undef __expt
msousa@490: #undef __IN2_anynum_
msousa@490:     { NULL, NULL, NULL, widen_entry::ok },
msousa@490: };
msousa@490: 
msousa@490: 
msousa@490: 
msousa@481: /**************************************************************/
msousa@481: /**************************************************************/
msousa@481: /**************************************************************/
msousa@481: /*******                                                *******/
msousa@481: /*******  TABLE 26: Standard bitwise Boolean functions  *******/
msousa@481: /*******                                                *******/
msousa@481: /**************************************************************/
msousa@481: /**************************************************************/
msousa@481: /**************************************************************/
msousa@483: /* table used by AND and ANDN operators, and and_expression */
msousa@481: const struct widen_entry widen_AND_table[] = {
msousa@481: #define __and(TYPE)       \
msousa@517:     { &search_constant_type_c::TYPE##_type_name,        &search_constant_type_c::TYPE##_type_name,          &search_constant_type_c::TYPE##_type_name,       widen_entry::ok                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 },
msousa@481:     __ANY_BIT(__and)
msousa@481: #undef __and
msousa@481: 
msousa@481:     { NULL, NULL, NULL, widen_entry::ok },
msousa@481: };
msousa@481: 
msousa@483: /* table used by OR and ORN operators, and or_expression */
msousa@481: const struct widen_entry widen_OR_table[] = {
msousa@481: #define __or(TYPE)       \
msousa@517:     { &search_constant_type_c::TYPE##_type_name,        &search_constant_type_c::TYPE##_type_name,          &search_constant_type_c::TYPE##_type_name,       widen_entry::ok                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 },
msousa@481:     __ANY_BIT(__or)
msousa@481: #undef __or
msousa@481: 
msousa@481:     { NULL, NULL, NULL, widen_entry::ok },
msousa@481: };
msousa@481: 
msousa@481: 
msousa@483: /* table used by XOR and XORN operators, and xor_expression */
msousa@481: const struct widen_entry widen_XOR_table[] = {
msousa@481: #define __xor(TYPE)       \
msousa@517:     { &search_constant_type_c::TYPE##_type_name,        &search_constant_type_c::TYPE##_type_name,          &search_constant_type_c::TYPE##_type_name,       widen_entry::ok                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 },
msousa@481:     __ANY_BIT(__xor)
msousa@481: #undef __xor
msousa@481: 
msousa@481:     { NULL, NULL, NULL, widen_entry::ok },
msousa@481: };
msousa@481: 
msousa@484: /**************************************************************/
msousa@484: /**************************************************************/
msousa@484: /**************************************************************/
msousa@484: /*******                                                *******/
msousa@484: /*******  TABLE 28: Standard comparison functions       *******/
msousa@484: /*******                                                *******/
msousa@484: /**************************************************************/
msousa@484: /**************************************************************/
msousa@484: /**************************************************************/
msousa@484: /* table used by GT, GE, EQ, LE, LT, and NE  operators, and equivalent ST expressions. */
msousa@484: const struct widen_entry widen_CMP_table[] = {
msousa@484: #define __cmp(TYPE)       \
msousa@517:     { &search_constant_type_c::TYPE##_type_name,        &search_constant_type_c::TYPE##_type_name,          &search_constant_type_c::bool_type_name,         widen_entry::ok                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 }, \
msousa@517:     { &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                 },
msousa@484:     __ANY_ELEMENTARY(__cmp)
msousa@484: #undef __cmp
msousa@484: 
msousa@484:     { NULL, NULL, NULL, widen_entry::ok },
msousa@484: };
msousa@481: 
msousa@481: 
msousa@425: /* Search for a datatype inside a candidate_datatypes list.
msousa@425:  * Returns: position of datatype in the list, or -1 if not found.
msousa@417:  */
msousa@606: int search_in_candidate_datatype_list(symbol_c *datatype, const std::vector <symbol_c *> &candidate_datatypes) {
msousa@443: 	if (NULL == datatype) 
msousa@443: 		return -1;
msousa@443: 
msousa@425: 	for(unsigned int i = 0; i < candidate_datatypes.size(); i++)
msousa@425: 		if (is_type_equal(datatype, candidate_datatypes[i]))
msousa@425: 			return i;
msousa@425: 	/* Not found ! */
msousa@425: 	return -1;
msousa@425: }
msousa@425: 
conti@603: /* Remove a datatype inside a candidate_datatypes list.
conti@603:  * Returns: If successful it returns true, false otherwise.
conti@603:  */
conti@603: bool remove_from_candidate_datatype_list(symbol_c *datatype, std::vector <symbol_c *> &candidate_datatypes) {
msousa@606: 	int pos = search_in_candidate_datatype_list(datatype, candidate_datatypes);
msousa@606: 	if (pos < 0)
conti@603: 		return false;
msousa@606: 	
msousa@606: 	candidate_datatypes.erase(candidate_datatypes.begin() + pos);
msousa@606: 	return true;
conti@603: }
msousa@443: 
msousa@443: 
msousa@443: 
msousa@457: /* Intersect two candidate_datatype_lists.
msousa@457:  * Remove from list1 (origin, dest.) all elements that are not found in list2 (with).
msousa@457:  * In essence, list1 will contain the result of the intersection of list1 with list2.
msousa@457:  * In other words, modify list1 so it only contains the elelements that are simultaneously in list1 and list2!
msousa@457:  */
msousa@457: void intersect_candidate_datatype_list(symbol_c *list1 /*origin, dest.*/, symbol_c *list2 /*with*/) {
msousa@457: 	if ((NULL == list1) || (NULL == list2))
msousa@457: 		/* In principle, we should never call it with NULL values. Best to abort the compiler just in case! */
msousa@457: 		return;
msousa@457: 
msousa@457: 	for(std::vector<symbol_c *>::iterator i = list1->candidate_datatypes.begin(); i < list1->candidate_datatypes.end(); ) {
msousa@457: 		/* Note that we do _not_ increment i in the for() loop!
msousa@457: 		 * When we erase an element from position i, a new element will take it's place, that must also be tested! 
msousa@457: 		 */
msousa@457: 		if (search_in_candidate_datatype_list(*i, list2->candidate_datatypes) < 0)
msousa@457: 			/* remove this element! This will change the value of candidate_datatypes.size() */
msousa@457: 			list1->candidate_datatypes.erase(i);
msousa@457: 		else i++;
msousa@457: 	}
msousa@457: }
msousa@457: 
msousa@443: 
msousa@443: 
conti@458: 
msousa@459: /* intersect the candidate_datatype lists of all prev_il_intructions, and set the local candidate_datatype list to the result! */
msousa@459: void intersect_prev_candidate_datatype_lists(il_instruction_c *symbol) {
msousa@459: 	if (symbol->prev_il_instruction.empty())
msousa@459: 		return;
msousa@459: 	
msousa@468: 	symbol->candidate_datatypes = symbol->prev_il_instruction[0]->candidate_datatypes;
msousa@459: 	for (unsigned int i = 1; i < symbol->prev_il_instruction.size(); i++) {
msousa@459: 		intersect_candidate_datatype_list(symbol /*origin, dest.*/, symbol->prev_il_instruction[i] /*with*/);
msousa@459: 	}  
msousa@459: }
msousa@459: 
msousa@459: 
msousa@459: 
msousa@459: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_ELEMENTARY_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   return is_ANY_MAGNITUDE_type(type_symbol)
msousa@417:       || is_ANY_BIT_type      (type_symbol)
msousa@417:       || is_ANY_STRING_type   (type_symbol)
msousa@417:       || is_ANY_DATE_type     (type_symbol);
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_SAFEELEMENTARY_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   return is_ANY_SAFEMAGNITUDE_type(type_symbol)
msousa@417:       || is_ANY_SAFEBIT_type      (type_symbol)
msousa@417:       || is_ANY_SAFESTRING_type   (type_symbol)
msousa@417:       || is_ANY_SAFEDATE_type     (type_symbol);
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_ELEMENTARY_compatible(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   /* NOTE: doing
msousa@417:    *          return is_ANY_SAFEELEMENTARY_type() || is_ANY_ELEMENTARY_type()
msousa@417:    *       is incorrect, as the literals would never be considered compatible...
msousa@417:    */
msousa@417:   return is_ANY_MAGNITUDE_compatible(type_symbol)
msousa@417:       || is_ANY_BIT_compatible      (type_symbol)
msousa@417:       || is_ANY_STRING_compatible   (type_symbol)
msousa@417:       || is_ANY_DATE_compatible     (type_symbol);
msousa@417: }
msousa@417: 
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_MAGNITUDE_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (typeid(*type_symbol) == typeid(time_type_name_c)) {return true;}
msousa@417:   return is_ANY_NUM_type(type_symbol);
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@435: bool is_ANY_signed_MAGNITUDE_type(symbol_c *type_symbol) {
msousa@435:   if (type_symbol == NULL) {return false;}
msousa@435:   if (typeid(*type_symbol) == typeid(time_type_name_c)) {return true;}
msousa@435:   return is_ANY_signed_NUM_type(type_symbol);
msousa@435: }
msousa@435: 
msousa@435: /* A helper function... */
msousa@417: bool is_ANY_SAFEMAGNITUDE_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (typeid(*type_symbol) == typeid(safetime_type_name_c)) {return true;}
msousa@417:   return is_ANY_SAFENUM_type(type_symbol);
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@435: bool is_ANY_signed_SAFEMAGNITUDE_type(symbol_c *type_symbol) {
msousa@435:   if (type_symbol == NULL) {return false;}
msousa@435:   if (typeid(*type_symbol) == typeid(safetime_type_name_c)) {return true;}
msousa@435:   return is_ANY_signed_SAFENUM_type(type_symbol);
msousa@435: }
msousa@435: 
msousa@435: /* A helper function... */
msousa@417: bool is_ANY_MAGNITUDE_compatible(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (is_ANY_MAGNITUDE_type    (type_symbol))              {return true;}
msousa@417:   if (is_ANY_SAFEMAGNITUDE_type(type_symbol))              {return true;}
msousa@417:   return is_ANY_NUM_compatible(type_symbol);
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@435: bool is_ANY_signed_MAGNITUDE_compatible(symbol_c *type_symbol) {
msousa@435:   if (type_symbol == NULL) {return false;}
msousa@435:   if (is_ANY_signed_MAGNITUDE_type    (type_symbol))       {return true;}
msousa@435:   if (is_ANY_signed_SAFEMAGNITUDE_type(type_symbol))       {return true;}
msousa@435:   return is_ANY_signed_NUM_compatible(type_symbol);
msousa@435: }
msousa@435: 
msousa@435: /* A helper function... */
msousa@417: bool is_ANY_NUM_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (is_ANY_REAL_type(type_symbol))                       {return true;}
msousa@417:   if (is_ANY_INT_type(type_symbol))                        {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@435: bool is_ANY_signed_NUM_type(symbol_c *type_symbol) {
msousa@435:   if (type_symbol == NULL) {return false;}
msousa@435:   if (is_ANY_REAL_type(type_symbol))                       {return true;}
msousa@435:   if (is_ANY_signed_INT_type(type_symbol))                 {return true;}
msousa@435:   return false;
msousa@435: }
msousa@435: 
msousa@435: /* A helper function... */
msousa@417: bool is_ANY_SAFENUM_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   return is_ANY_SAFEREAL_type(type_symbol)
msousa@417:       || is_ANY_SAFEINT_type (type_symbol);
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@435: bool is_ANY_signed_SAFENUM_type(symbol_c *type_symbol) {
msousa@435:   if (type_symbol == NULL) {return false;}
msousa@435:   return is_ANY_SAFEREAL_type(type_symbol)
msousa@435:       || is_ANY_signed_SAFEINT_type (type_symbol);
msousa@435: }
msousa@435: 
msousa@435: /* A helper function... */
msousa@417: bool is_ANY_NUM_compatible(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (is_ANY_REAL_compatible(type_symbol))                       {return true;}
msousa@417:   if (is_ANY_INT_compatible(type_symbol))                        {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@435: bool is_ANY_signed_NUM_compatible(symbol_c *type_symbol) {
msousa@435:   if (type_symbol == NULL) {return false;}
msousa@435:   if (is_ANY_REAL_compatible(type_symbol))                       {return true;}
msousa@435:   if (is_ANY_signed_INT_compatible(type_symbol))                 {return true;}
msousa@435:   return false;
msousa@435: }
msousa@435: 
msousa@435: /* A helper function... */
msousa@417: bool is_ANY_DATE_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (typeid(*type_symbol) == typeid(date_type_name_c)) {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(tod_type_name_c))  {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(dt_type_name_c))   {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_SAFEDATE_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (typeid(*type_symbol) == typeid(safedate_type_name_c)) {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(safetod_type_name_c))  {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(safedt_type_name_c))   {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_DATE_compatible(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (is_ANY_DATE_type    (type_symbol))              {return true;}
msousa@417:   if (is_ANY_SAFEDATE_type(type_symbol))              {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_STRING_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (typeid(*type_symbol) == typeid(string_type_name_c)) {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(wstring_type_name_c)) {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_SAFESTRING_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (typeid(*type_symbol) == typeid(safestring_type_name_c)) {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(safewstring_type_name_c)) {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_STRING_compatible(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (is_ANY_STRING_type    (type_symbol))              {return true;}
msousa@417:   if (is_ANY_SAFESTRING_type(type_symbol))              {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_INT_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (typeid(*type_symbol) == typeid(sint_type_name_c))  {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(int_type_name_c))   {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(dint_type_name_c))  {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(lint_type_name_c))  {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(usint_type_name_c)) {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(uint_type_name_c))  {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(udint_type_name_c)) {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(ulint_type_name_c)) {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@435: bool is_ANY_signed_INT_type(symbol_c *type_symbol) {
msousa@435:   if (type_symbol == NULL) {return false;}
msousa@435:   if (typeid(*type_symbol) == typeid(sint_type_name_c))  {return true;}
msousa@435:   if (typeid(*type_symbol) == typeid(int_type_name_c))   {return true;}
msousa@435:   if (typeid(*type_symbol) == typeid(dint_type_name_c))  {return true;}
msousa@435:   if (typeid(*type_symbol) == typeid(lint_type_name_c))  {return true;}
msousa@435:   return false;
msousa@435: }
msousa@435: 
msousa@435: /* A helper function... */
msousa@435: bool is_ANY_signed_SAFEINT_type(symbol_c *type_symbol) {
msousa@435:   if (type_symbol == NULL) {return false;}
msousa@435:   if (typeid(*type_symbol) == typeid(safesint_type_name_c))  {return true;}
msousa@435:   if (typeid(*type_symbol) == typeid(safeint_type_name_c))   {return true;}
msousa@435:   if (typeid(*type_symbol) == typeid(safedint_type_name_c))  {return true;}
msousa@435:   if (typeid(*type_symbol) == typeid(safelint_type_name_c))  {return true;}
msousa@435:   return false;
msousa@435: }
msousa@435: 
msousa@435: /* A helper function... */
msousa@417: bool is_ANY_SAFEINT_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (typeid(*type_symbol) == typeid(safesint_type_name_c))  {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(safeint_type_name_c))   {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(safedint_type_name_c))  {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(safelint_type_name_c))  {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(safeusint_type_name_c)) {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(safeuint_type_name_c))  {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(safeudint_type_name_c)) {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(safeulint_type_name_c)) {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@435: bool is_ANY_signed_INT_compatible(symbol_c *type_symbol) {
msousa@435:   if (type_symbol == NULL) {return false;}
msousa@435:   if (is_ANY_signed_INT_type    (type_symbol))              {return true;}
msousa@435:   if (is_ANY_signed_SAFEINT_type(type_symbol))              {return true;}
msousa@435:   return false;
msousa@435: }
msousa@435: 
msousa@435: /* A helper function... */
msousa@417: bool is_ANY_INT_compatible(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (is_ANY_INT_type    (type_symbol))              {return true;}
msousa@417:   if (is_ANY_SAFEINT_type(type_symbol))              {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_REAL_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (typeid(*type_symbol) == typeid(real_type_name_c))  {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(lreal_type_name_c)) {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_SAFEREAL_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (typeid(*type_symbol) == typeid(safereal_type_name_c))  {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(safelreal_type_name_c)) {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_REAL_compatible(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (is_ANY_REAL_type    (type_symbol))              {return true;}
msousa@417:   if (is_ANY_SAFEREAL_type(type_symbol))              {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_BIT_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (typeid(*type_symbol) == typeid(bool_type_name_c))     {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(byte_type_name_c))     {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(word_type_name_c))     {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(dword_type_name_c))    {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(lword_type_name_c))    {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_SAFEBIT_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (typeid(*type_symbol) == typeid(safebool_type_name_c))     {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(safebyte_type_name_c))     {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(safeword_type_name_c))     {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(safedword_type_name_c))    {return true;}
msousa@417:   if (typeid(*type_symbol) == typeid(safelword_type_name_c))    {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_BIT_compatible(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (is_ANY_BIT_type    (type_symbol))              {return true;}
msousa@417:   if (is_ANY_SAFEBIT_type(type_symbol))              {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_BOOL_type(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (typeid(*type_symbol) == typeid(bool_type_name_c))      {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_SAFEBOOL_type(symbol_c *type_symbol){
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (typeid(*type_symbol) == typeid(safebool_type_name_c))  {return true;}
msousa@417:   return false;
msousa@417: }
msousa@417: 
msousa@417: /* A helper function... */
msousa@417: bool is_ANY_BOOL_compatible(symbol_c *type_symbol) {
msousa@417:   if (type_symbol == NULL) {return false;}
msousa@417:   if (is_BOOL_type    (type_symbol))              {return true;}
msousa@417:   if (is_SAFEBOOL_type(type_symbol))              {return true;}
msousa@436:   return false;
msousa@436: }
msousa@436: 
msousa@436: 
msousa@436: 
msousa@436: 
msousa@417: 
msousa@459: bool is_type_equal(symbol_c *first_type, symbol_c *second_type) {
msousa@459:   if ((NULL == first_type) || (NULL == second_type))
msousa@459:       return false;
msousa@459:   if (typeid(* first_type) == typeid(invalid_type_name_c))
msousa@459:       return false;
msousa@459:   if (typeid(*second_type) == typeid(invalid_type_name_c))
msousa@459:       return false;
msousa@459:     
msousa@459:   if (is_ANY_ELEMENTARY_type(first_type)) {
msousa@459:       if (typeid(*first_type) == typeid(*second_type))
msousa@459:           return true;
msousa@459:   } else   /* ANY_DERIVED */
msousa@459:       return (first_type == second_type);
msousa@459: 
msousa@459:   return false;
msousa@459: }
msousa@459: 
msousa@459: 
msousa@459: 
msousa@459: bool is_type_valid(symbol_c *type) {
msousa@459:   if (NULL == type)
msousa@459:       return false;
msousa@459:   if (typeid(*type) == typeid(invalid_type_name_c))
msousa@459:       return false;
msousa@459: 
msousa@459:   return true;
msousa@459: }