absyntax_utils/function_call_param_iterator.cc
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Tue, 28 Jun 2016 13:34:29 +0000
branchfix_compilation_warnings
changeset 1009 d7d3a0db7cc2
parent 844 39c755f41ee8
child 1041 56ebe2a31b5b
permissions -rwxr-xr-x
Created new branch fix_compilation_warnings
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
     1
/*
265
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
     2
 *  matiec - a compiler for the programming languages defined in IEC 61131-3
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
     3
 *
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
     4
 *  Copyright (C) 2003-2011  Mario de Sousa (msousa@fe.up.pt)
279
c0453b7f99df Re-generated std lib related code, with updated headers, updated all forgotten headers
Edouard Tisserant
parents: 265
diff changeset
     5
 *  Copyright (C) 2007-2011  Laurent Bessard and Edouard Tisserant
265
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
     6
 *
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
     7
 *  This program is free software: you can redistribute it and/or modify
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
     8
 *  it under the terms of the GNU General Public License as published by
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
     9
 *  the Free Software Foundation, either version 3 of the License, or
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
    10
 *  (at your option) any later version.
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
    11
 *
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
    12
 *  This program is distributed in the hope that it will be useful,
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
    13
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
    14
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
    15
 *  GNU General Public License for more details.
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
    16
 *
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
    17
 *  You should have received a copy of the GNU General Public License
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
    18
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
    19
 *
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    20
 *
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    21
 * This code is made available on the understanding that it will not be
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    22
 * used in safety-critical situations without a full and competent review.
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    23
 */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    24
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    25
/*
265
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 247
diff changeset
    26
 * An IEC 61131-3 compiler.
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    27
 *
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    28
 * Based on the
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    29
 * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    30
 *
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    31
 */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    32
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    33
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    34
 * Function call parameter iterator.
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    35
 * It will iterate through the non-formal parameters of a function call
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    36
 * (i.e. function calls using the foo(<param1>, <param2>, ...) syntax).
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    37
 * and/or search through the formal parameters of a function call
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    38
 * (i.e. function calls using the foo(<name1> = <param1>, <name2> = <param2>, ...) syntax).
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    39
 *
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    40
 * Calls to function blocks and programs are also supported.
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    41
 *
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    42
 * Note that calls to next_nf() will only iterate through non-formal parameters,
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    43
 * calls to next_f() will only iterate through formal parameters,
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    44
 * and calls to search_f() will only serach through formal parameters.
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    45
 */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    46
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    47
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    48
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    49
#include "function_call_param_iterator.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    50
#include <strings.h>
596
4efb11e44065 Add ERROR_MSG macro && move extract_XXX() functions to constant_folding.cc
Mario de Sousa <msousa@fe.up.pt>
parents: 449
diff changeset
    51
#include "../main.hh" // required for ERROR() and ERROR_MSG() macros.
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    52
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    53
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    54
//#define DEBUG
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    55
#ifdef DEBUG
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    56
#define TRACE(classname) printf("\n____%s____\n",classname);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    57
#else
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    58
#define TRACE(classname)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    59
#endif
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    60
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    61
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    62
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    63
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    64
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    65
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    66
void *function_call_param_iterator_c::search_list(list_c *list) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    67
  switch (current_operation) {
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    68
    case iterate_nf_op:
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    69
      for(int i = 0; i < list->n; i++) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    70
        void *res = list->elements[i]->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    71
        if (NULL != res) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    72
          /* It went through the handle_parameter_assignment() function,
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    73
           * and is therefore a parameter assignment (<param> = <value>),
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    74
           * and not a simple expression (<value>).
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    75
           */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    76
          /* we do nothing... */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    77
        } else {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    78
          param_count++;
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    79
          if (param_count == iterate_nf_next_param) {
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    80
            return list->elements[i];
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    81
          }
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    82
        }
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    83
      }
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    84
      return NULL;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    85
      break;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    86
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    87
    case iterate_f_op:
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    88
      for(int i = 0; i < list->n; i++) {
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    89
        void *res = list->elements[i]->accept(*this);
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    90
        if (NULL != res) {
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    91
          /* It went through the handle_parameter_assignment() function,
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    92
           * and is therefore a parameter assignment (<param> = <value>),
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    93
           * and not a simple expression (<value>).
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    94
           */
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    95
          param_count++;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    96
          if (param_count == iterate_f_next_param) {
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    97
            return res;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    98
          }
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
    99
        } else {
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   100
          /* we do nothing... */
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   101
        }
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   102
      }
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   103
      return NULL;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   104
      break;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   105
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   106
    case search_f_op:
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   107
      for(int i = 0; i < list->n; i++) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   108
        void *res = list->elements[i]->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   109
        if (res != NULL)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   110
          return res;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   111
      }
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   112
      return NULL;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   113
      break;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   114
  } /* switch */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   115
  return NULL;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   116
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   117
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   118
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   119
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   120
void *function_call_param_iterator_c::handle_parameter_assignment(symbol_c *variable_name, symbol_c *expression) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   121
  switch (current_operation) {
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   122
    case iterate_nf_op:
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   123
          /* UGLY HACK -> this will be detected in the search_list() function */
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   124
      return (void *)variable_name; /* anything, as long as it is not NULL!! */
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   125
      break;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   126
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   127
    case iterate_f_op:
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   128
      current_value = expression;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   129
      return (void *)variable_name;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   130
      break;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   131
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   132
    case search_f_op:
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   133
      identifier_c *variable_name2 = dynamic_cast<identifier_c *>(variable_name);
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   134
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   135
      if (variable_name2 == NULL) ERROR;
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   136
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   137
      if (strcasecmp(search_param_name->value, variable_name2->value) == 0)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   138
        /* FOUND! This is the same parameter!! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   139
        return (void *)expression;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   140
      return NULL;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   141
      break;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   142
  }
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   143
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   144
  ERROR;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   145
  return NULL;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   146
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   147
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   148
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   149
/* start off at the first parameter once again... */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   150
void function_call_param_iterator_c::reset(void) {
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   151
  iterate_nf_next_param = 0;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   152
  iterate_f_next_param  = 0;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   153
  param_count = 0;
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   154
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   155
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   156
/* initialise the iterator object.
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   157
 * We must be given a reference to the function/program/function block call
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   158
 * that will be analysed...
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   159
 */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   160
function_call_param_iterator_c::function_call_param_iterator_c(symbol_c *f_call) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   161
  /* It is expected that f_call will reference one of the following:
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   162
   *  program_configuration_c
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   163
   *  function_invocation_c
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   164
   *  fb_invocation_c
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   165
   *  il_function_call_c
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   166
   *  il_formal_funct_call_c
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   167
   *  ... (have I missed any?)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   168
   */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   169
  this->f_call = f_call;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   170
  search_param_name = NULL;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   171
  reset();
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   172
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   173
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   174
/* Skip to the next formal parameter. After object creation,
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   175
 * the object references on parameter _before_ the first, so
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   176
 * this function must be called once to get the object to
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   177
 * reference the first parameter...
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   178
 *
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   179
 * Returns the paramater name to which a value is being passed!
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   180
 * You can determine the value being passed by calling 
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   181
 * function_call_param_iterator_c::search_f()
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   182
 */
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   183
symbol_c *function_call_param_iterator_c::next_f(void) {
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   184
  current_value = NULL;
449
3c6225521059 Semantic verification: Add compatibility check for parameter direction in function invocation.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
   185
  current_assign_direction = assign_none;
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   186
  param_count = 0;
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   187
  iterate_f_next_param++;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   188
  current_operation = function_call_param_iterator_c::iterate_f_op;
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   189
  void *res = f_call->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   190
  return (symbol_c *)res;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   191
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   192
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   193
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   194
/* Skip to the next non-formal parameter. After object creation,
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   195
 * the object references on parameter _before_ the first, so
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   196
 * this function must be called once to get the object to
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   197
 * reference the first parameter...
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   198
 *
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   199
 * Returns whatever is being passed to the parameter!
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   200
 */
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   201
symbol_c *function_call_param_iterator_c::next_nf(void) {
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   202
  current_value = NULL;
449
3c6225521059 Semantic verification: Add compatibility check for parameter direction in function invocation.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
   203
  current_assign_direction = assign_none;
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   204
  param_count = 0;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   205
  iterate_nf_next_param++;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   206
  current_operation = function_call_param_iterator_c::iterate_nf_op;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   207
  void *res = f_call->accept(*this);
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   208
  current_value = (symbol_c *)res;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   209
  return (symbol_c *)res;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   210
}
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   211
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   212
/* Search for the value passed to the parameter named <param_name>...  */
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   213
symbol_c *function_call_param_iterator_c::search_f(symbol_c *param_name) {
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   214
  current_value = NULL;
449
3c6225521059 Semantic verification: Add compatibility check for parameter direction in function invocation.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
   215
  current_assign_direction = assign_none;
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   216
  if (NULL == param_name) ERROR;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   217
  search_param_name = dynamic_cast<identifier_c *>(param_name);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   218
  if (NULL == search_param_name) ERROR;
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   219
  current_operation = function_call_param_iterator_c::search_f_op;
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   220
  void *res = f_call->accept(*this);
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   221
  current_value = (symbol_c *)res;
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   222
  return (symbol_c *)res;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   223
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   224
350
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   225
/* Search for the value passed to the parameter named <param_name>...  */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   226
symbol_c *function_call_param_iterator_c::search_f(const char *param_name) {
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   227
  identifier_c tmp_indentifier(param_name);
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   228
  return search_f(&tmp_indentifier);
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   229
}
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   230
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   231
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   232
/* Returns the value being passed to the current parameter. */
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   233
symbol_c *function_call_param_iterator_c::get_current_value(void) {
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   234
  return current_value;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   235
}
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   236
449
3c6225521059 Semantic verification: Add compatibility check for parameter direction in function invocation.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
   237
/* Returns the value being passed to the current parameter. */
3c6225521059 Semantic verification: Add compatibility check for parameter direction in function invocation.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
   238
function_call_param_iterator_c::assign_direction_t function_call_param_iterator_c::get_assign_direction(void) {
3c6225521059 Semantic verification: Add compatibility check for parameter direction in function invocation.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
   239
  return current_assign_direction;
3c6225521059 Semantic verification: Add compatibility check for parameter direction in function invocation.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
   240
}
3c6225521059 Semantic verification: Add compatibility check for parameter direction in function invocation.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
   241
3c6225521059 Semantic verification: Add compatibility check for parameter direction in function invocation.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
   242
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   243
/********************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   244
/* B 1.7 Configuration elements */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   245
/********************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   246
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   247
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   248
CONFIGURATION configuration_name
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   249
   optional_global_var_declarations
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   250
   (resource_declaration_list | single_resource_declaration)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   251
   optional_access_declarations
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   252
   optional_instance_specific_initializations
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   253
END_CONFIGURATION
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   254
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   255
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   256
SYM_REF6(configuration_declaration_c, configuration_name, global_var_declarations, resource_declarations, access_declarations, instance_specific_initializations, unused)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   257
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   258
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   259
/* helper symbol for configuration_declaration */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   260
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   261
SYM_LIST(resource_declaration_list_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   262
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   263
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   264
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   265
RESOURCE resource_name ON resource_type_name
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   266
   optional_global_var_declarations
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   267
   single_resource_declaration
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   268
END_RESOURCE
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   269
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   270
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   271
SYM_REF4(resource_declaration_c, resource_name, resource_type_name, global_var_declarations, resource_declaration)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   272
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   273
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   274
/* task_configuration_list program_configuration_list */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   275
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   276
SYM_REF2(single_resource_declaration_c, task_configuration_list, program_configuration_list)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   277
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   278
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   279
/* helper symbol for single_resource_declaration */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   280
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   281
SYM_LIST(task_configuration_list_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   282
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   283
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   284
/* helper symbol for single_resource_declaration */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   285
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   286
SYM_LIST(program_configuration_list_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   287
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   288
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   289
/* helper symbol for
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   290
 *  - access_path
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   291
 *  - instance_specific_init
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   292
 */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   293
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   294
SYM_LIST(any_fb_name_list_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   295
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   296
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   297
/*  [resource_name '.'] global_var_name ['.' structure_element_name] */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   298
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   299
SYM_REF4(global_var_reference_c, resource_name, global_var_name, structure_element_name, unused)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   300
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   301
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   302
/*  prev_declared_program_name '.' symbolic_variable */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   303
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   304
SYM_REF2(program_output_reference_c, program_name, symbolic_variable)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   305
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   306
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   307
/*  TASK task_name task_initialization */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   308
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   309
SYM_REF2(task_configuration_c, task_name, task_initialization)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   310
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   311
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   312
/*  '(' [SINGLE ASSIGN data_source ','] [INTERVAL ASSIGN data_source ','] PRIORITY ASSIGN integer ')' */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   313
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   314
SYM_REF4(task_initialization_c, single_data_source, interval_data_source, priority_data_source, unused)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   315
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   316
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   317
/*  PROGRAM [RETAIN | NON_RETAIN] program_name [WITH task_name] ':' program_type_name ['(' prog_conf_elements ')'] */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   318
// SYM_REF6(program_configuration_c, retain_option, program_name, task_name, program_type_name, prog_conf_elements, unused)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   319
void *function_call_param_iterator_c::visit(program_configuration_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   320
  TRACE("program_configuration_c");
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   321
  return symbol->prog_conf_elements->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   322
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   323
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   324
/* prog_conf_elements ',' prog_conf_element */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   325
// SYM_LIST(prog_conf_elements_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   326
void *function_call_param_iterator_c::visit(prog_conf_elements_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   327
  TRACE("prog_conf_elements_c");
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   328
  return search_list(symbol);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   329
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   330
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   331
/*  fb_name WITH task_name */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   332
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   333
SYM_REF2(fb_task_c, fb_name, task_name)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   334
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   335
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   336
/*  any_symbolic_variable ASSIGN prog_data_source */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   337
// SYM_REF2(prog_cnxn_assign_c, symbolic_variable, prog_data_source)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   338
void *function_call_param_iterator_c::visit(prog_cnxn_assign_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   339
  TRACE("prog_cnxn_assign_c");
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   340
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   341
  /* NOTE: symbolic_variable may be something other than a symbolic_variable_c, but I (Mario)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   342
   *       do not understand the semantics that should be implmeneted if it is not a
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   343
   *        symbolic_variable, so for the moment we simply give up!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   344
   */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   345
  symbolic_variable_c *symb_var = dynamic_cast<symbolic_variable_c *>(symbol->symbolic_variable);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   346
  if (NULL == symb_var)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   347
    ERROR;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   348
449
3c6225521059 Semantic verification: Add compatibility check for parameter direction in function invocation.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
   349
  current_assign_direction = assign_in;
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   350
  return handle_parameter_assignment(symb_var->var_name, symbol->prog_data_source);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   351
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   352
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   353
/* any_symbolic_variable SENDTO data_sink */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   354
// SYM_REF2(prog_cnxn_sendto_c, symbolic_variable, prog_data_source)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   355
void *function_call_param_iterator_c::visit(prog_cnxn_sendto_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   356
  TRACE("prog_cnxn_sendto_c");
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   357
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   358
  /* NOTE: symbolic_variable may be something other than a symbolic_variable_c, but I (Mario)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   359
   *       do not understand the semantics that should be implmeneted if it is not a
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   360
   *        symbolic_variable, so for the moment we simply give up!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   361
   */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   362
  symbolic_variable_c *symb_var = dynamic_cast<symbolic_variable_c *>(symbol->symbolic_variable);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   363
  if (NULL == symb_var)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   364
    ERROR;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   365
449
3c6225521059 Semantic verification: Add compatibility check for parameter direction in function invocation.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
   366
  current_assign_direction = assign_out;
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   367
  return handle_parameter_assignment(symb_var->var_name, symbol->data_sink);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   368
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   369
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   370
/* VAR_CONFIG instance_specific_init_list END_VAR */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   371
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   372
SYM_REF2(instance_specific_initializations_c, instance_specific_init_list, unused)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   373
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   374
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   375
/* helper symbol for instance_specific_initializations */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   376
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   377
SYM_LIST(instance_specific_init_list_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   378
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   379
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   380
/* resource_name '.' program_name '.' {fb_name '.'}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   381
    ((variable_name [location] ':' located_var_spec_init) | (fb_name ':' fb_initialization))
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   382
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   383
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   384
SYM_REF6(instance_specific_init_c, resource_name, program_name, any_fb_name_list, variable_name, location, initialization)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   385
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   386
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   387
/* helper symbol for instance_specific_init */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   388
/* function_block_type_name ':=' structure_initialization */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   389
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   390
SYM_REF2(fb_initialization_c, function_block_type_name, structure_initialization)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   391
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   392
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   393
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   394
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   395
/****************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   396
/* B.2 - Language IL (Instruction List) */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   397
/****************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   398
/***********************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   399
/* B 2.1 Instructions and Operands */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   400
/***********************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   401
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   402
/* | function_name [il_operand_list] */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   403
// SYM_REF2(il_function_call_c, function_name, il_operand_list)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   404
void *function_call_param_iterator_c::visit(il_function_call_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   405
  TRACE("il_function_call_c");
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   406
  if (NULL != symbol->il_operand_list)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   407
    return symbol->il_operand_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   408
  return NULL;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   409
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   410
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   411
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   412
/* | function_name '(' eol_list [il_param_list] ')' */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   413
// SYM_REF2(il_formal_funct_call_c, function_name, il_param_list)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   414
void *function_call_param_iterator_c::visit(il_formal_funct_call_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   415
  TRACE("il_formal_funct_call_c");
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   416
  if (NULL != symbol->il_param_list)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   417
    return symbol->il_param_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   418
  return NULL;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   419
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   420
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   421
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   422
/*   il_call_operator prev_declared_fb_name
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   423
 * | il_call_operator prev_declared_fb_name '(' ')'
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   424
 * | il_call_operator prev_declared_fb_name '(' eol_list ')'
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   425
 * | il_call_operator prev_declared_fb_name '(' il_operand_list ')'
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   426
 * | il_call_operator prev_declared_fb_name '(' eol_list il_param_list ')'
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   427
 */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   428
// SYM_REF4(il_fb_call_c, il_call_operator, fb_name, il_operand_list, il_param_list)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   429
void *function_call_param_iterator_c::visit(il_fb_call_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   430
  TRACE("il_fb_call_c");
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   431
  /* the following should never occur. In reality the syntax parser
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   432
   * will guarantee that they never occur, but it makes it easier to
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   433
   * understand the remaining code :-)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   434
   */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   435
  //if ((NULL == symbol->il_operand_list) && (NULL == symbol->il_param_list)) ERROR;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   436
  //if ((NULL != symbol->il_operand_list) && (NULL != symbol->il_param_list)) ERROR;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   437
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   438
  if (NULL != symbol->il_operand_list)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   439
    return symbol->il_operand_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   440
  if (NULL != symbol->il_param_list)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   441
    return symbol->il_param_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   442
  return NULL;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   443
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   444
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   445
/* | il_operand_list ',' il_operand */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   446
// SYM_LIST(il_operand_list_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   447
void *function_call_param_iterator_c::visit(il_operand_list_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   448
  TRACE("il_operand_list_c");
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   449
  return search_list(symbol);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   450
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   451
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   452
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   453
/* | il_initial_param_list il_param_instruction */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   454
// SYM_LIST(il_param_list_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   455
void *function_call_param_iterator_c::visit(il_param_list_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   456
  TRACE("il_param_list_c");
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   457
  return search_list(symbol);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   458
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   459
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   460
/*  il_assign_operator il_operand
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   461
 * | il_assign_operator '(' eol_list simple_instr_list ')'
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   462
 */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   463
// SYM_REF4(il_param_assignment_c, il_assign_operator, il_operand, simple_instr_list, unused)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   464
void *function_call_param_iterator_c::visit(il_param_assignment_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   465
  TRACE("il_param_assignment_c");
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   466
844
39c755f41ee8 Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents: 596
diff changeset
   467
  symbol_c *expression = NULL;
39c755f41ee8 Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents: 596
diff changeset
   468
  if (!((NULL != symbol->simple_instr_list) ^ (NULL != symbol->il_operand))) ERROR;
39c755f41ee8 Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents: 596
diff changeset
   469
  if    (NULL != symbol->simple_instr_list) expression = symbol->simple_instr_list;
39c755f41ee8 Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents: 596
diff changeset
   470
  if    (NULL != symbol->il_operand       ) expression = symbol->il_operand;
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   471
449
3c6225521059 Semantic verification: Add compatibility check for parameter direction in function invocation.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
   472
  current_assign_direction = assign_in;
844
39c755f41ee8 Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents: 596
diff changeset
   473
  return handle_parameter_assignment((symbol_c *)symbol->il_assign_operator->accept(*this), expression);
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   474
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   475
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   476
/*  il_assign_out_operator variable */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   477
// SYM_REF2(il_param_out_assignment_c, il_assign_out_operator, variable);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   478
void *function_call_param_iterator_c::visit(il_param_out_assignment_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   479
  TRACE("il_param_out_assignment_c");
449
3c6225521059 Semantic verification: Add compatibility check for parameter direction in function invocation.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
   480
  current_assign_direction = assign_out;
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   481
  return handle_parameter_assignment((symbol_c *)symbol->il_assign_out_operator->accept(*this), symbol->variable);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   482
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   483
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   484
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   485
/*******************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   486
/* B 2.2 Operators */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   487
/*******************/
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   488
/*  any_identifier ASSIGN */
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   489
// SYM_REF1(il_assign_operator_c, variable_name)
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   490
void *function_call_param_iterator_c::visit(il_assign_operator_c *symbol) {
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   491
  TRACE("il_assign_operator_c");
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   492
  return (void *)symbol->variable_name;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   493
}
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   494
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   495
/*| [NOT] any_identifier SENDTO */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   496
// SYM_REF2(il_assign_out_operator_c, option, variable_name)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   497
void *function_call_param_iterator_c::visit(il_assign_out_operator_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   498
  TRACE("il_assign_out_operator_c");
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   499
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   500
  // TODO : Handle not_param !!!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   501
  // we do not yet support it, so it is best to simply stop than to fail silently...
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   502
  // if (NULL != symbol->option) ERROR;
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   503
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   504
  return (void *)symbol->variable_name;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   505
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   506
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   507
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   508
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   509
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   510
/***************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   511
/* B.3 - Language ST (Structured Text) */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   512
/***************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   513
/***********************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   514
/* B 3.1 - Expressions */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   515
/***********************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   516
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   517
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   518
SYM_REF2(function_invocation_c, function_name, parameter_assignment_list)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   519
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   520
void *function_call_param_iterator_c::visit(function_invocation_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   521
  TRACE("function_invocation_c");
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   522
  /* If the syntax parser is working correctly, exactly one of the 
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   523
   * following two symbols will be NULL, while the other is != NULL.
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   524
   */
247
560075ece524 Bug when function call result is a parameter of another function call fixed.
laurent
parents: 202
diff changeset
   525
  if (symbol == (function_invocation_c *)f_call) {
560075ece524 Bug when function call result is a parameter of another function call fixed.
laurent
parents: 202
diff changeset
   526
	if (symbol->   formal_param_list != NULL) return symbol->   formal_param_list->accept(*this);
560075ece524 Bug when function call result is a parameter of another function call fixed.
laurent
parents: 202
diff changeset
   527
    if (symbol->nonformal_param_list != NULL) return symbol->nonformal_param_list->accept(*this);
560075ece524 Bug when function call result is a parameter of another function call fixed.
laurent
parents: 202
diff changeset
   528
  }
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   529
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   530
  return NULL;
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   531
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   532
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   533
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   534
/********************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   535
/* B 3.2 Statements */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   536
/********************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   537
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   538
/*********************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   539
/* B 3.2.1 Assignment Statements */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   540
/*********************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   541
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   542
SYM_REF2(assignment_statement_c, l_exp, r_exp)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   543
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   544
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   545
/*****************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   546
/* B 3.2.2 Subprogram Control Statements */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   547
/*****************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   548
/*  RETURN */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   549
// SYM_REF0(return_statement_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   550
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   551
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   552
/* fb_name '(' [param_assignment_list] ')' */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   553
/* param_assignment_list -> may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   554
// SYM_REF2(fb_invocation_c, fb_name, param_assignment_list)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   555
void *function_call_param_iterator_c::visit(fb_invocation_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   556
  TRACE("fb_invocation_c");
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   557
  /* If the syntax parser is working correctly, only one of the 
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   558
   * following two symbols will be != NULL.
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   559
   * However, both may be NULL simultaneously!
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   560
   */
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   561
  if (symbol->   formal_param_list != NULL) return symbol->   formal_param_list->accept(*this);
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   562
  if (symbol->nonformal_param_list != NULL) return symbol->nonformal_param_list->accept(*this);
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   563
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   564
  return NULL;
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   565
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   566
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   567
/* helper symbol for fb_invocation */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   568
/* param_assignment_list ',' param_assignment */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   569
// SYM_LIST(param_assignment_list_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   570
void *function_call_param_iterator_c::visit(param_assignment_list_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   571
  TRACE("param_assignment_list_c");
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   572
  return search_list(symbol);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   573
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   574
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   575
/*  variable_name ASSIGN expression */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   576
// SYM_REF2(input_variable_param_assignment_c, variable_name, expression)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   577
void *function_call_param_iterator_c::visit(input_variable_param_assignment_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   578
  TRACE("input_variable_param_assignment_c");
449
3c6225521059 Semantic verification: Add compatibility check for parameter direction in function invocation.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
   579
  current_assign_direction = assign_in;
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   580
  return handle_parameter_assignment(symbol->variable_name, symbol->expression);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   581
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   582
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   583
/* [NOT] variable_name '=>' variable */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   584
// SYM_REF4(output_variable_param_assignment_c, not_param, variable_name, variable, unused)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   585
void *function_call_param_iterator_c::visit(output_variable_param_assignment_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   586
  TRACE("output_variable_param_assignment_c");
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   587
  // TODO : Handle not_param !!!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   588
  if (NULL != symbol->not_param) ERROR;  // we do not yet support it, so it is best to simply stop than to fail silently...
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   589
449
3c6225521059 Semantic verification: Add compatibility check for parameter direction in function invocation.
Mario de Sousa <msousa@fe.up.pt>
parents: 350
diff changeset
   590
  current_assign_direction = assign_out;
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   591
  return handle_parameter_assignment(symbol->variable_name, symbol->variable);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   592
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   593
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   594
/* helper CLASS for output_variable_param_assignment */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   595
// SYM_REF0(not_paramassign_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   596
// TODO... ???
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   597
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   598