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)
*
*/
/*
* Function call parameter iterator.
*
* This is part of the 4th stage that generates
* a c++ source program equivalent to the IL and ST
* code.
*/
#include "../absyntax/visitor.hh"
/* given a function_body_c, iterate through each
* function in/out/inout parameter, returning the name
* of each parameter...
*/
class function_call_iterator_c : public iterator_visitor_c {
private:
symbol_c *start_symbol;
int next_fcall, fcall_count;
symbol_c *current_fcall_name;
symbol_c *current_finvocation;
public:
/* initialise the iterator object.
* We must be given a reference to the function declaration
* that will be analysed...
*/
function_call_iterator_c(symbol_c *symbol);
/* Skip to the next function call. After object creation,
* the object references _before_ the first, so
* this function must be called once to get the object to
* reference the first function call...
*
* Returns the function_invocation_c!
*/
symbol_c *next(void);
/* Returns the name of the currently referenced function invocation */
identifier_c *fname(void);
private:
/***************************************/
/* B.3 - Language ST (Structured Text) */
/***************************************/
/***********************/
/* B 3.1 - Expressions */
/***********************/
void *visit(function_invocation_c *symbol);
/****************************************/
/* B.2 - Language IL (Instruction List) */
/****************************************/
/***********************************/
/* B 2.1 Instructions and Operands */
/***********************************/
/* | function_name [il_operand_list] */
// SYM_REF2(il_function_call_c, function_name, il_operand_list)
void *visit(il_function_call_c *symbol);
/* | function_name '(' eol_list [il_param_list] ')' */
// SYM_REF2(il_formal_funct_call_c, function_name, il_param_list)
void *visit(il_formal_funct_call_c *symbol);
}; // class function_call_iterator_c