1

/*

     2

 *  matiec - a compiler for the programming languages defined in IEC 61131-3

     3

 *

     4

 *  Copyright (C) 2009-2012  Mario de Sousa (msousa@fe.up.pt)

     5

 *  Copyright (C) 2012       Manuele Conti  (conti.ma@alice.it)

     6

 *

     7

 *

     8

 *  This program is free software: you can redistribute it and/or modify

     9

 *  it under the terms of the GNU General Public License as published by

    10

 *  the Free Software Foundation, either version 3 of the License, or

    11

 *  (at your option) any later version.

    12

 *

    13

 *  This program is distributed in the hope that it will be useful,

    14

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

    15

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    16

 *  GNU General Public License for more details.

    17

 *

    18

 *  You should have received a copy of the GNU General Public License

    19

 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.

    20

 *

    21

 *

    22

 * This code is made available on the understanding that it will not be

    23

 * used in safety-critical situations without a full and competent review.

    24

 */

    25

    26

/*

    27

 * An IEC 61131-3 compiler.

    28

 *

    29

 * Based on the

    30

 * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)

    31

 *

    32

 */

    33

    34

// #include <vector>

    35

#include "../absyntax_utils/absyntax_utils.hh"

    36

// #include "datatype_functions.hh"

    37

    38

    39

    40

class array_range_check_c: public iterator_visitor_c {

    41

    42

  private:

    43

    search_varfb_instance_type_c *search_varfb_instance_type;

    44

    // search_var_instance_decl_c *search_var_instance_decl;

    45

    search_base_type_c search_base_type;

    46

    int error_count;

    47

    int current_display_error_level;

    48

    49

    void check_dimension_count(array_variable_c *symbol);

    50

    void check_bounds(array_variable_c *symbol);

    51

    52

  public:

    53

    array_range_check_c(symbol_c *ignore);

    54

    virtual ~array_range_check_c(void);

    55

    int get_error_count();

    56

    57

    /*************************/

    58

    /* B.1 - Common elements */

    59

    /*************************/

    60

    /**********************/

    61

    /* B.1.3 - Data types */

    62

    /**********************/

    63

    /********************************/

    64

    /* B 1.3.3 - Derived data types */

    65

    /********************************/

    66

    /* NOTE: we may later want to move the following 2 methods to a visitor that will focus on analysing the data type declarations! */

    67

    void *visit(subrange_c *symbol);

    68

    void *visit(array_initial_elements_c *symbol);

    69

    70

    /*********************/

    71

    /* B 1.4 - Variables */

    72

    /*********************/

    73

    /*************************************/

    74

    /* B 1.4.2 - Multi-element variables */

    75

    /*************************************/

    76

    void *visit(array_variable_c *symbol);

    77

    78

    /**************************************/

    79

    /* B 1.5 - Program organisation units */

    80

    /**************************************/

    81

    /***********************/

    82

    /* B 1.5.1 - Functions */

    83

    /***********************/

    84

    void *visit(function_declaration_c *symbol);

    85

    86

    /*****************************/

    87

    /* B 1.5.2 - Function blocks */

    88

    /*****************************/

    89

    void *visit(function_block_declaration_c *symbol);

    90

    91

    /**********************/

    92

    /* B 1.5.3 - Programs */

    93

    /**********************/

    94

    void *visit(program_declaration_c *symbol);

    95

    96

}; /* array_range_check_c */

    97

    98

    99

   100

   101

   102

   103