absyntax_utils/spec_init_separator.hh
author Mario de Sousa <msousa@fe.up.pt>
Wed, 01 Aug 2012 10:31:14 +0100
changeset 619 f8c9ac5c529a
parent 350 2c3c4dc34979
child 810 d9c48ad646f1
permissions -rwxr-xr-x
Support for data types of STEP.T and STEP.X in SFCs
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: 181
diff changeset
     2
 *  matiec - a compiler for the programming languages defined in IEC 61131-3
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
     3
 *
265
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 181
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
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
     6
 *
265
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 181
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: 181
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: 181
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: 181
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: 181
diff changeset
    11
 *
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 181
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: 181
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: 181
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: 181
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: 181
diff changeset
    16
 *
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 181
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: 181
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: 181
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: 181
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
/*
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    35
 * Separation of type specification and default value constructs
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    36
 * (for e.g. simple_spec_init_c), into a type specificiation part,
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    37
 * and a default value part.
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    38
 */
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
#include "../absyntax/absyntax.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    41
#include "../absyntax/visitor.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    42
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    43
class spec_init_sperator_c: public null_visitor_c {
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
  private:
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    46
    /* this is a singleton class... */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    47
    static spec_init_sperator_c *class_instance;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    48
    static spec_init_sperator_c *get_class_instance(void);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    49
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    50
  private:
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    51
    typedef enum {search_spec, search_init} search_what_t;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    52
    static search_what_t search_what;
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
  public:
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    55
    /* the only two public functions... */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    56
    static symbol_c *get_spec(symbol_c *spec_init);
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
    static symbol_c *get_init(symbol_c *spec_init);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    59
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
  private:
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
  /* B 1.1 - Letters, digits and identifiers */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    66
  /*******************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    67
  // SYM_TOKEN(identifier_c)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    68
  void *visit(identifier_c *symbol);
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
  /********************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    72
  /* B 1.3.3 - Derived data types */
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
  /* simple_specification ASSIGN constant */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    76
  void *visit(simple_spec_init_c *symbol);
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
  /* subrange_specification ASSIGN signed_integer */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    79
  void *visit(subrange_spec_init_c *symbol);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    80
  
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    81
  /*  integer_type_name '(' subrange')' */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    82
  void *visit(subrange_specification_c *symbol);
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
  /* array_specification [ASSIGN array_initialization} */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    85
  /* array_initialization may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    86
  void *visit(array_spec_init_c *symbol);
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
  /* enumerated_specification ASSIGN enumerated_value */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    89
  void *visit(enumerated_spec_init_c *symbol);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    90
  
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    91
  /* structure_type_name ASSIGN structure_initialization */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    92
  /* structure_initialization may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    93
  //SYM_REF2(initialized_structure_c, structure_type_name, structure_initialization)
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    94
  void *visit(initialized_structure_c *symbol);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    95
  
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    96
  
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    97
  /******************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    98
  /* B 1.4.3 - Declaration & Initialisation */
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
  
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   101
  /* fb_name_list ':' function_block_type_name ASSIGN structure_initialization */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   102
  /* structure_initialization -> may be NULL ! */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   103
  void *visit(fb_name_decl_c *symbol);
350
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   104
  
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   105
  /* STRING '[' integer ']' 
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   106
   * STRING ASSIGN single_byte_character_string
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   107
   * STRING '[' integer ']' ASSIGN single_byte_character_string
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   108
   */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   109
  void *visit(single_byte_string_spec_c *symbol);
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   110
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   111
  /* WSTRING '[' integer ']' 
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   112
   * WSTRING ASSIGN double_byte_character_string
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   113
   * WSTRING '[' integer ']' ASSIGN double_byte_character_string
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   114
   */
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   115
  void *visit(double_byte_string_spec_c *symbol);
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 279
diff changeset
   116
    
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   117
};   /* class spec_init_sperator_c */