--- a/stage4/generate_c/function_call_iterator.cc	Sat May 30 16:42:41 2009 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,150 +0,0 @@
-/*
- * (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 <stdio.h>  /* required for NULL */
-//#include <string>
-//#include <iostream>
-
-//#include "../../util/symtable.hh"
-
-//#include "generate_c.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;
-    //identifier_c *current_fcall_name;
-    symbol_c *current_fcall_name;
-    //function_invocation_c *current_finvocation;
-    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) {
-      this->start_symbol = symbol;
-      next_fcall = fcall_count = 0;
-      current_finvocation = NULL;
-      current_fcall_name = NULL;
-    }
-
-    /* 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!
-     */
-    //function_invocation_c *next(void) {TRACE("function_call_iterator_c::next(): called ");
-    symbol_c *next(void) {TRACE("function_call_iterator_c::next(): called ");
-      fcall_count = 0;
-      next_fcall++;
-      current_finvocation = NULL;
-      current_fcall_name = NULL;
-
-      start_symbol->accept(*this);
-      return current_finvocation;
-    }
-
-    /* Returns the name of the currently referenced function invocation */
-    identifier_c *fname(void) {
-      identifier_c *identifier = dynamic_cast<identifier_c *>(current_fcall_name);
-      if (identifier == NULL) ERROR;
-      return identifier;
-    }
-
-
-/***************************************/
-/* B.3 - Language ST (Structured Text) */
-/***************************************/
-/***********************/
-/* B 3.1 - Expressions */
-/***********************/
-  void *visit(function_invocation_c *symbol) {
-    fcall_count++;
-    if (next_fcall == fcall_count) {
-      current_finvocation = symbol;
-      current_fcall_name = symbol->function_name;
-    }
-    return NULL;
-  }
-
-
-
-/****************************************/
-/* 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) {
-    fcall_count++;
-    if (next_fcall == fcall_count) {
-      current_finvocation = symbol;
-      current_fcall_name = symbol->function_name;
-    }
-    return NULL;
-  }
-
-
-
-/* | 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) {
-    fcall_count++;
-    if (next_fcall == fcall_count) {
-      current_finvocation = symbol;
-      current_fcall_name = symbol->function_name;
-    }
-    return NULL;
-  }
-
-
-};
-
-
-
-