/*
* 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*/);
}
}
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 (get_datatype_info_c::is_ANY_ELEMENTARY(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;
}