Add option to control support for nested comments (default is off, as defined in IEC 61131-3 v2)
/*
* 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.
*/
#ifndef _HELPER_FUNCTIONS_HH_
#define _HELPER_FUNCTIONS_HH_
#include "../absyntax/visitor.hh"
#include <typeinfo>
typedef struct {
symbol_c *function_name;
symbol_c *nonformal_operand_list;
symbol_c * formal_operand_list;
enum {POU_FB, POU_function} POU_type;
//symbol_c &*datatype;
//std::vector <symbol_c *> &candidate_datatypes;
std::vector <symbol_c *> &candidate_functions;
symbol_c *&called_function_declaration;
int &extensible_param_count;
} generic_function_call_t;
/* Widening Primitive Conversion */
struct widen_entry {
symbol_c *left;
symbol_c *right;
symbol_c *result;
enum {ok, deprecated} status;
};
/*
* 2.5.1.5.6 Functions of time data types
* Table 30 - page 64
*/
extern const struct widen_entry widen_ADD_table[];
extern const struct widen_entry widen_SUB_table[];
extern const struct widen_entry widen_MUL_table[];
extern const struct widen_entry widen_DIV_table[];
extern const struct widen_entry widen_MOD_table[];
extern const struct widen_entry widen_EXPT_table[];
extern const struct widen_entry widen_AND_table[];
extern const struct widen_entry widen_OR_table[];
extern const struct widen_entry widen_XOR_table[];
extern const struct widen_entry widen_CMP_table[];
/* 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);
/* 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);
/* 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*/);
/* 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);
#endif /* _HELPER_FUNCTIONS_HH_ */