Introducing the search_il_operand_type files in the absyntax_utils folder.
The Makefile from absyntax_utils folder and the generate_c_il.cc from the stage4/generate_c
folder was also modified to work with the new search_il_operand_type file.
/*
* (c) 2003 Mario de Sousa
*
* Offered to the public under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* This code is made available on the understanding that it will not be
* used in safety-critical situations without a full and competent review.
*/
/*
* An IEC 61131-3 IL and ST compiler.
*
* Based on the
* FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
*
*/
/*
* Separation of type specification and default value constructs
* (for e.g. simple_spec_init_c), into a type specificiation part,
* and a default value part.
*/
#include "../absyntax/absyntax.hh"
#include "../absyntax/visitor.hh"
class spec_init_sperator_c: public null_visitor_c {
private:
/* this is a singleton class... */
static spec_init_sperator_c *class_instance;
static spec_init_sperator_c *get_class_instance(void);
private:
typedef enum {search_spec, search_init} search_what_t;
static search_what_t search_what;
public:
/* the only two public functions... */
static symbol_c *get_spec(symbol_c *spec_init);
static symbol_c *get_init(symbol_c *spec_init);
private:
/*******************************************/
/* B 1.1 - Letters, digits and identifiers */
/*******************************************/
// SYM_TOKEN(identifier_c)
void *visit(identifier_c *symbol);
/********************************/
/* B 1.3.3 - Derived data types */
/********************************/
/* simple_specification ASSIGN constant */
void *visit(simple_spec_init_c *symbol);
/* subrange_specification ASSIGN signed_integer */
void *visit(subrange_spec_init_c *symbol);
/* integer_type_name '(' subrange')' */
void *visit(subrange_specification_c *symbol);
/* array_specification [ASSIGN array_initialization} */
/* array_initialization may be NULL ! */
void *visit(array_spec_init_c *symbol);
/* enumerated_specification ASSIGN enumerated_value */
void *visit(enumerated_spec_init_c *symbol);
/* structure_type_name ASSIGN structure_initialization */
/* structure_initialization may be NULL ! */
//SYM_REF2(initialized_structure_c, structure_type_name, structure_initialization)
void *visit(initialized_structure_c *symbol);
/******************************************/
/* B 1.4.3 - Declaration & Initialisation */
/******************************************/
/* fb_name_list ':' function_block_type_name ASSIGN structure_initialization */
/* structure_initialization -> may be NULL ! */
void *visit(fb_name_decl_c *symbol);
}; /* class spec_init_sperator_c */