1

/*

     2

 * (c) 2009 Mario de Sousa

     3

 *

     4

 * Offered to the public under the terms of the GNU General Public License

     5

 * as published by the Free Software Foundation; either version 2 of the

     6

 * License, or (at your option) any later version.

     7

 *

     8

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

     9

 * WITHOUT ANY WARRANTY; without even the implied warranty of

    10

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General

    11

 * Public License for more details.

    12

 *

    13

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

    14

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

    15

 */

    16

    17

/*

    18

 * An IEC 61131-3 IL and ST compiler.

    19

 *

    20

 * Based on the

    21

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

    22

 *

    23

 */

    24

    25

    26

/*

    27

 * This is the main stage 3a file.

    28

 *

    29

 * In stage 3a some helpful symbol tables are instanciated and populated.

    30

 * These symbol tables wll then be used by stage3b and atage4 code generators.

    31

 */

    32

    33

    34

    35

    36

    37

    38

// #include <stdio.h>  /* required for NULL */

    39

#include "../util/symtable.hh"

    40

#include "../util/dsymtable.hh"

    41

#include "../absyntax/visitor.hh"

    42

    43

    44

    45

    46

    47

/* A symbol table with all globally declared functions... */

    48

extern function_declaration_c null_symbol1;

    49

extern dsymtable_c<function_declaration_c *, &null_symbol1> function_symtable;

    50

    51

/* A symbol table with all globally declared functions block types... */

    52

extern function_block_declaration_c null_symbol2;

    53

extern symtable_c<function_block_declaration_c *, &null_symbol2> function_block_type_symtable;

    54

    55

/* A symbol table with all globally declared program types... */

    56

extern program_declaration_c null_symbol3;

    57

extern symtable_c<program_declaration_c *, &null_symbol3> program_type_symtable;

    58

    59

/* A symbol table with all user declared type definitions... */

    60

/* Note that function block types and program types have their

    61

 * own symbol tables, so do not get placed in this symbol table!

    62

 */

    63

extern symbol_c null_symbol4;

    64

extern symtable_c<symbol_c *, &null_symbol4> type_symtable;

    65

    66

    67

    68

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

    69

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

    70

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

    71

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

    72

    73

/*

    74

#include "spec_init_separator.cc"

    75

#include "function_param_iterator.cc"

    76

#include "function_call_iterator.cc"

    77

#include "function_call_param_iterator.cc"

    78

#include "type_initial_value.cc"

    79

#include "search_fb_instance_decl.cc"

    80

#include "search_fb_typedecl.cc"

    81

#include "search_base_type.cc"

    82

#include "search_var_instance_decl.cc"

    83

#include "decompose_var_instance_name.cc"

    84

#include "search_varfb_instance_type.cc"

    85

#include "search_constant_type.cc"

    86

#include "search_expression_type.cc"

    87

    88

#include "generate_c_base.cc"

    89

#include "generate_c_typedecl.cc"

    90

#include "generate_c_sfcdecl.cc"

    91

#include "generate_c_vardecl.cc"

    92

#include "generate_c_configbody.cc"

    93

#include "generate_location_list.cc"

    94

#include "generate_var_list.cc"

    95

*/

    96

    97

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

    98

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

    99

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

   100

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

   101

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

   102

   103

   104

   105

   106

void search_utils_init(symbol_c *tree_root);