absyntax_utils/search_var_instance_decl.cc
author Catarina Boucinha <ccb@fe.up.pt>
Thu, 27 Aug 2009 16:18:56 +0100
changeset 203 b8a2f4c86745
parent 202 da1a8186f86f
child 217 f5dfadf5de54
permissions -rwxr-xr-x
Merged changes
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
     1
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
     2
 * (c) 2003 Mario de Sousa
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
     3
 *
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
     4
 * Offered to the public under the terms of the GNU General Public License
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
     5
 * as published by the Free Software Foundation; either version 2 of the
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
     6
 * License, or (at your option) any later version.
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
     7
 *
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
     8
 * This program is distributed in the hope that it will be useful, but
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
     9
 * WITHOUT ANY WARRANTY; without even the implied warranty of
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    10
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    11
 * Public License for more details.
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    12
 *
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    13
 * 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
    14
 * 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
    15
 */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    16
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    17
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    18
 * An IEC 61131-3 IL and ST compiler.
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    19
 *
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    20
 * Based on the
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    21
 * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    22
 *
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
/* Determine the data type of a specific variable instance, including
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    26
 * function block instances.
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    27
 * A reference to the relevant variable declaration is returned.
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    28
 * The variable instance may NOT be a member of a structure of a memeber
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    29
 * of a structure of an element of an array of ...
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
 * example:
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    32
 *    window.points[1].coordinate.x
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    33
 *    window.points[1].colour
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    34
 *    etc... ARE NOT ALLOWED!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    35
 *
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    36
 * This class must only be passed the name of the variable that will appear
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    37
 * in the variable declaration. In the above examples, this would be
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    38
 *   'window' !!
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
 *
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    41
 * If you need to pass a complete name of a variable instance (such as
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    42
 * 'window.points[1].coordinate.x') use the search_varfb_instance_type_c instead!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    43
 */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    44
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    45
/* Note that current_type_decl that this class returns may reference the
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    46
 * name of a type, or the type declaration itself!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    47
 * For an example of the first, consider a variable declared as ...
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    48
 * x : AAA;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    49
 * where the AAA type is previously declared as whatever.
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    50
 * For an example of the second, consider a variable declared as ...
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    51
 * x : array of int [10];  ---->  is allowed
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
 * If it is the first, we will return a reference to the name, if the second
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    54
 * we return a reference to the declaration!!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    55
 */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    56
#include "absyntax_utils.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    57
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    58
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    59
search_var_instance_decl_c::search_var_instance_decl_c(symbol_c *search_scope) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    60
  this->current_vartype = none_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    61
  this->search_scope = search_scope;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    62
  this->search_name = NULL;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    63
  this->current_type_decl = NULL;
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
symbol_c *search_var_instance_decl_c::get_decl(symbol_c *variable_instance_name) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    67
  this->search_name = variable_instance_name;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    68
  return (symbol_c *)search_scope->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    69
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    70
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    71
unsigned int search_var_instance_decl_c::get_vartype() {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    72
  return current_vartype;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    73
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    74
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
/* B 0 - Programming Model */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    77
/***************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    78
void *search_var_instance_decl_c::visit(library_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    79
  /* we do not want to search multiple declaration scopes,
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    80
   * so we do not visit all the functions, fucntion blocks, etc...
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
  return NULL;
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
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    85
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    86
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    87
/******************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    88
/* B 1.4.3 - Declaration & Initialisation */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    89
/******************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    90
/* edge -> The F_EDGE or R_EDGE directive */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    91
// SYM_REF2(edge_declaration_c, edge, var1_list)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    92
// TODO
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    93
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    94
void *search_var_instance_decl_c::visit(input_declarations_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    95
  current_vartype = input_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    96
  void *res = symbol->input_declaration_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    97
  if (res == NULL) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    98
    current_vartype = none_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    99
  }
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   100
  return res;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   101
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   102
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   103
/* VAR_OUTPUT [RETAIN | NON_RETAIN] var_init_decl_list END_VAR */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   104
/* option -> may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   105
void *search_var_instance_decl_c::visit(output_declarations_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   106
  current_vartype = output_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   107
  void *res = symbol->var_init_decl_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   108
  if (res == NULL) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   109
    current_vartype = none_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   110
  }
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   111
  return res;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   112
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   113
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   114
/*  VAR_IN_OUT var_declaration_list END_VAR */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   115
void *search_var_instance_decl_c::visit(input_output_declarations_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   116
  current_vartype = inoutput_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   117
  void *res = symbol->var_declaration_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   118
  if (res == NULL) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   119
    current_vartype = none_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   120
  }
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   121
  return res;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   122
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   123
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   124
/* ENO : BOOL */
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   125
void *search_var_instance_decl_c::visit(eno_param_declaration_c *symbol) {
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   126
  if (compare_identifiers(symbol->name, search_name) == 0)
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   127
    return symbol->type;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   128
  return NULL;
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   129
}
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   130
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   131
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   132
/* VAR [CONSTANT] var_init_decl_list END_VAR */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   133
/* option -> may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   134
/* helper symbol for input_declarations */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   135
void *search_var_instance_decl_c::visit(var_declarations_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   136
  current_vartype = private_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   137
  void *res = symbol->var_init_decl_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   138
  if (res == NULL) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   139
    current_vartype = none_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   140
  }
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   141
  return res;
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
/*  VAR RETAIN var_init_decl_list END_VAR */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   145
void *search_var_instance_decl_c::visit(retentive_var_declarations_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   146
  current_vartype = private_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   147
  void *res = symbol->var_init_decl_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   148
  if (res == NULL) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   149
    current_vartype = none_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   150
  }
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   151
  return res;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   152
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   153
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   154
/*  VAR [CONSTANT|RETAIN|NON_RETAIN] located_var_decl_list END_VAR */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   155
/* option -> may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   156
//SYM_REF2(located_var_declarations_c, option, located_var_decl_list)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   157
void *search_var_instance_decl_c::visit(located_var_declarations_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   158
  current_vartype = located_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   159
  void *res = symbol->located_var_decl_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   160
  if (res == NULL) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   161
    current_vartype = none_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   162
  }
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   163
  return res;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   164
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   165
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   166
/*| VAR_EXTERNAL [CONSTANT] external_declaration_list END_VAR */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   167
/* option -> may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   168
//SYM_REF2(external_var_declarations_c, option, external_declaration_list)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   169
void *search_var_instance_decl_c::visit(external_var_declarations_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   170
  current_vartype = external_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   171
  void *res = symbol->external_declaration_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   172
  if (res == NULL) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   173
    current_vartype = none_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   174
  }
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   175
  return res;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   176
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   177
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   178
/*| VAR_GLOBAL [CONSTANT|RETAIN] global_var_decl_list END_VAR */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   179
/* option -> may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   180
//SYM_REF2(global_var_declarations_c, option, global_var_decl_list)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   181
void *search_var_instance_decl_c::visit(global_var_declarations_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   182
  current_vartype = global_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   183
  void *res = symbol->global_var_decl_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   184
  if (res == NULL) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   185
    current_vartype = none_vt;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   186
  }
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   187
  return res;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   188
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   189
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   190
/* var1_list is one of the following...
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   191
 *    simple_spec_init_c *
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   192
 *    subrange_spec_init_c *
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   193
 *    enumerated_spec_init_c *
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   194
 */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   195
// SYM_REF2(var1_init_decl_c, var1_list, spec_init)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   196
void *search_var_instance_decl_c::visit(var1_init_decl_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   197
  current_type_decl = symbol->spec_init;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   198
  return symbol->var1_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   199
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   200
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   201
/* var1_list ',' variable_name */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   202
// SYM_LIST(var1_list_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   203
void *search_var_instance_decl_c::visit(var1_list_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   204
  list_c *list = symbol;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   205
  for(int i = 0; i < list->n; i++) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   206
    if (compare_identifiers(list->elements[i], search_name) == 0)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   207
   /* by now, current_type_decl should be != NULL */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   208
      return current_type_decl;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   209
  }
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   210
  return NULL;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   211
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   212
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   213
/* name_list ':' function_block_type_name ASSIGN structure_initialization */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   214
/* structure_initialization -> may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   215
void *search_var_instance_decl_c::visit(fb_name_decl_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   216
  current_type_decl = symbol->function_block_type_name;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   217
  return symbol->fb_name_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   218
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   219
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   220
/* name_list ',' fb_name */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   221
void *search_var_instance_decl_c::visit(fb_name_list_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   222
  list_c *list = symbol;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   223
  for(int i = 0; i < list->n; i++) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   224
    if (compare_identifiers(list->elements[i], search_name) == 0)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   225
  /* by now, current_fb_declaration should be != NULL */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   226
      return current_type_decl;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   227
  }
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   228
  return NULL;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   229
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   230
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   231
/* var1_list ':' array_spec_init */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   232
// SYM_REF2(array_var_init_decl_c, var1_list, array_spec_init)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   233
void *search_var_instance_decl_c::visit(array_var_init_decl_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   234
  current_type_decl = symbol->array_spec_init;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   235
  return symbol->var1_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   236
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   237
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   238
/*  var1_list ':' initialized_structure */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   239
// SYM_REF2(structured_var_init_decl_c, var1_list, initialized_structure)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   240
void *search_var_instance_decl_c::visit(structured_var_init_decl_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   241
  current_type_decl = symbol->initialized_structure;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   242
  return symbol->var1_list->accept(*this);
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
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   245
/*  var1_list ':' array_specification */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   246
// SYM_REF2(array_var_declaration_c, var1_list, array_specification)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   247
void *search_var_instance_decl_c::visit(array_var_declaration_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   248
  current_type_decl = symbol->array_specification;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   249
  return symbol->var1_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   250
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   251
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   252
/*  var1_list ':' structure_type_name */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   253
// SYM_REF2(structured_var_declaration_c, var1_list, structure_type_name)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   254
void *search_var_instance_decl_c::visit(structured_var_declaration_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   255
  current_type_decl = symbol->structure_type_name;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   256
  return symbol->var1_list->accept(*this);
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
/*  [variable_name] location ':' located_var_spec_init */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   260
/* variable_name -> may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   261
// SYM_REF4(located_var_decl_c, variable_name, location, located_var_spec_init, unused)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   262
// TODO!!
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
/*  global_var_name ':' (simple_specification|subrange_specification|enumerated_specification|array_specification|prev_declared_structure_type_name|function_block_type_name */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   265
// SYM_REF2(external_declaration_c, global_var_name, specification)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   266
void *search_var_instance_decl_c::visit(external_declaration_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   267
  if (compare_identifiers(symbol->global_var_name, search_name) == 0)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   268
      return symbol->specification;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   269
  return NULL;
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
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   272
/*| global_var_spec ':' [located_var_spec_init|function_block_type_name] */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   273
/* type_specification ->may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   274
// SYM_REF2(global_var_decl_c, global_var_spec, type_specification)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   275
void *search_var_instance_decl_c::visit(global_var_decl_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   276
  if (symbol->type_specification != NULL) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   277
    current_type_decl = symbol->type_specification;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   278
    return symbol->global_var_spec->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   279
  }
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   280
  else
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   281
    return NULL;
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
/*| global_var_name location */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   285
//SYM_REF2(global_var_spec_c, global_var_name, location)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   286
void *search_var_instance_decl_c::visit(global_var_spec_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   287
  if (symbol->global_var_name != NULL && compare_identifiers(symbol->global_var_name, search_name) == 0)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   288
      return current_type_decl;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   289
  else
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   290
    return symbol->location->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   291
}
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
/*| global_var_list ',' global_var_name */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   294
//SYM_LIST(global_var_list_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   295
void *search_var_instance_decl_c::visit(global_var_list_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   296
  list_c *list = symbol;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   297
  for(int i = 0; i < list->n; i++) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   298
    if (compare_identifiers(list->elements[i], search_name) == 0)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   299
      /* by now, current_type_decl should be != NULL */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   300
      return current_type_decl;
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
  return NULL;
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
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   305
/*  [variable_name] location ':' located_var_spec_init */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   306
/* variable_name -> may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   307
//SYM_REF4(located_var_decl_c, variable_name, location, located_var_spec_init, unused)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   308
void *search_var_instance_decl_c::visit(located_var_decl_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   309
  if (symbol->variable_name != NULL && compare_identifiers(symbol->variable_name, search_name) == 0)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   310
    return symbol->located_var_spec_init;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   311
  else {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   312
    current_type_decl = symbol->located_var_spec_init;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   313
    return symbol->location->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   314
  }
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
/*| global_var_spec ':' [located_var_spec_init|function_block_type_name] */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   318
/* type_specification ->may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   319
// SYM_REF2(global_var_decl_c, global_var_spec, type_specification)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   320
// TODO!!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   321
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   322
/*  AT direct_variable */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   323
// SYM_REF2(location_c, direct_variable, unused)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   324
void *search_var_instance_decl_c::visit(location_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   325
  if (compare_identifiers(symbol->direct_variable, search_name) == 0)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   326
    return current_type_decl;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   327
  else
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   328
    return NULL;
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
/*| global_var_list ',' global_var_name */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   332
// SYM_LIST(global_var_list_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   333
// TODO!!
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
/*  var1_list ':' single_byte_string_spec */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   336
// SYM_REF2(single_byte_string_var_declaration_c, var1_list, single_byte_string_spec)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   337
void *search_var_instance_decl_c::visit(single_byte_string_var_declaration_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   338
  current_type_decl = symbol->single_byte_string_spec;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   339
  return symbol->var1_list->accept(*this);
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
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   342
/*  STRING ['[' integer ']'] [ASSIGN single_byte_character_string] */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   343
/* integer ->may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   344
/* single_byte_character_string ->may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   345
// SYM_REF2(single_byte_string_spec_c, integer, single_byte_character_string)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   346
// TODO!!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   347
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   348
/*  var1_list ':' double_byte_string_spec */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   349
// SYM_REF2(double_byte_string_var_declaration_c, var1_list, double_byte_string_spec)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   350
void *search_var_instance_decl_c::visit(double_byte_string_var_declaration_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   351
  current_type_decl = symbol->double_byte_string_spec;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   352
  return symbol->var1_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   353
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   354
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   355
/*  WSTRING ['[' integer ']'] [ASSIGN double_byte_character_string] */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   356
/* integer ->may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   357
/* double_byte_character_string ->may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   358
// SYM_REF2(double_byte_string_spec_c, integer, double_byte_character_string)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   359
// TODO!!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   360
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   361
/*  variable_name incompl_location ':' var_spec */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   362
// SYM_REF4(incompl_located_var_decl_c, variable_name, incompl_location, var_spec, unused)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   363
// TODO!!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   364
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   365
/*  AT incompl_location_token */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   366
// SYM_TOKEN(incompl_location_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   367
// TODO!!
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
/**************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   371
/* B.1.5 - Program organization units */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   372
/**************************************/
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
/* B 1.5.1 - Functions */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   375
/***********************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   376
// SYM_REF4(function_declaration_c, derived_function_name, type_name, var_declarations_list, function_body)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   377
void *search_var_instance_decl_c::visit(function_declaration_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   378
  /* functions have a variable named after themselves, to store
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   379
   * the variable that will be returned!!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   380
   */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   381
  if (compare_identifiers(symbol->derived_function_name, search_name) == 0)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   382
      return symbol->type_name;
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
  /* no need to search through all the body, so we only
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   385
   * visit the variable declarations...!
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
  return symbol->var_declarations_list->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   388
}
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
/*****************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   391
/* B 1.5.2 - Function Blocks */
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
void *search_var_instance_decl_c::visit(function_block_declaration_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   394
  /* no need to search through all the body, so we only
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   395
   * visit the variable declarations...!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   396
   */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   397
  return symbol->var_declarations->accept(*this);
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
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
/* B 1.5.3 - Programs */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   402
/**********************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   403
void *search_var_instance_decl_c::visit(program_declaration_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   404
  /* no need to search through all the body, so we only
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   405
   * visit the variable declarations...!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   406
   */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   407
  return symbol->var_declarations->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   408
}
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
/* B 1.7 Configuration elements */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   413
/********************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   414
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   415
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   416
CONFIGURATION configuration_name
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   417
   optional_global_var_declarations
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   418
   (resource_declaration_list | single_resource_declaration)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   419
   optional_access_declarations
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   420
   optional_instance_specific_initializations
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   421
END_CONFIGURATION
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   422
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   423
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   424
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
   425
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   426
void *search_var_instance_decl_c::visit(configuration_declaration_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   427
  /* no need to search through all the configuration, so we only
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   428
   * visit the global variable declarations...!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   429
   */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   430
  if (symbol->global_var_declarations != NULL)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   431
    return symbol->global_var_declarations->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   432
  else
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   433
    return NULL;
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
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   436
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   437
RESOURCE resource_name ON resource_type_name
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   438
   optional_global_var_declarations
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   439
   single_resource_declaration
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   440
END_RESOURCE
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   441
*/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   442
// 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
   443
void *search_var_instance_decl_c::visit(resource_declaration_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   444
  /* no need to search through all the resource, so we only
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   445
   * visit the global variable declarations...!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   446
   */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   447
  if (symbol->global_var_declarations != NULL)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   448
    return symbol->global_var_declarations->accept(*this);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   449
  else
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   450
    return NULL;
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
/* task_configuration_list program_configuration_list */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   454
// 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
   455
void *search_var_instance_decl_c::visit(single_resource_declaration_c *symbol) {
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   456
  /* no need to search through all the resource,
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   457
   * and there is no global variable declarations...!
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
  return NULL;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   460
}
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   461
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   462
#if 0
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   463
/*********************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   464
/* B 1.4 - Variables */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   465
/*********************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   466
SYM_REF2(symbolic_variable_c, var_name, unused)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   467
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   468
/********************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   469
/* B.1.4.1   Directly Represented Variables */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   470
/********************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   471
SYM_TOKEN(direct_variable_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   472
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   473
/*************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   474
/* B.1.4.2   Multi-element Variables */
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
/*  subscripted_variable '[' subscript_list ']' */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   477
SYM_REF2(array_variable_c, subscripted_variable, subscript_list)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   478
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   479
/* subscript_list ',' subscript */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   480
SYM_LIST(subscript_list_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   481
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   482
/*  record_variable '.' field_selector */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   483
/*  WARNING: input and/or output variables of function blocks
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   484
 *           may be accessed as fields of a tructured variable!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   485
 *           Code handling a structured_variable_c must take
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   486
 *           this into account!
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   487
 */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   488
SYM_REF2(structured_variable_c, record_variable, field_selector)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   489
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   490
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   491
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   492
};
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   493
#endif