absyntax_utils/absyntax_utils.hh
author Manuele Conti <conti.ma@alice.it>
Wed, 16 May 2012 00:15:32 +0200
changeset 561 30a327be60d4
parent 547 dab341e80664
child 564 dabffc3086dc
permissions -rw-r--r--
Fix SFC stage4 error.
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: 202
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: 202
diff changeset
     4
 *  Copyright (C) 2009-2011  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: 202
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: 202
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: 202
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: 202
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: 202
diff changeset
    11
 *
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 202
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: 202
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: 202
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: 202
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: 202
diff changeset
    16
 *
4d222f46f8cc Updating license info (with Edouard's permission for relevant files).
Mario de Sousa <msousa@fe.up.pt>
parents: 202
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: 202
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: 202
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: 202
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
 * This is the main stage 3a file.
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    36
 *
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    37
 * In stage 3a some helpful symbol tables are instanciated and populated.
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    38
 * These symbol tables wll then be used by stage3b and atage4 code generators.
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
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
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    44
#ifndef _SEARCH_UTILS_HH
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    45
#define _SEARCH_UTILS_HH
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    46
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    47
// #include <stdio.h>  /* required for NULL */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    48
#include "../util/symtable.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    49
#include "../util/dsymtable.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    50
#include "../absyntax/absyntax.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    51
#include "../absyntax/visitor.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    52
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    53
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    54
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    55
/* returns 0 if the names are equal!! Case is ignored. */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    56
int compare_identifiers(symbol_c *ident1, symbol_c *ident2);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    57
350
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 338
diff changeset
    58
/* extract the value of an integer from an integer_c object !! */
547
dab341e80664 Fix parsing os TIME literals & rename the extract_integer() function.
mjsousa <msousa@fe.up.pt>
parents: 511
diff changeset
    59
long long extract_integer_value(symbol_c *integer);
350
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 338
diff changeset
    60
  
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    61
/* A symbol table with all globally declared functions... */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    62
extern function_declaration_c null_symbol1;
350
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 338
diff changeset
    63
typedef dsymtable_c<function_declaration_c *, &null_symbol1> function_symtable_t;
2c3c4dc34979 Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents: 338
diff changeset
    64
extern function_symtable_t function_symtable;
181
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
/* A symbol table with all globally declared functions block types... */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    67
extern function_block_declaration_c null_symbol2;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    68
extern symtable_c<function_block_declaration_c *, &null_symbol2> function_block_type_symtable;
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
/* A symbol table with all globally declared program types... */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    71
extern program_declaration_c null_symbol3;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    72
extern symtable_c<program_declaration_c *, &null_symbol3> program_type_symtable;
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
/* A symbol table with all user declared type definitions... */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    75
/* Note that function block types and program types have their
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    76
 * own symbol tables, so do not get placed in this symbol table!
338
3037bb7e8a82 Adding some comments, and removing a check for a semantic error in code being compiled.
Mario de Sousa <msousa@fe.up.pt>
parents: 328
diff changeset
    77
 *
3037bb7e8a82 Adding some comments, and removing a check for a semantic error in code being compiled.
Mario de Sousa <msousa@fe.up.pt>
parents: 328
diff changeset
    78
 * The symbol_c * associated to the value will point to the data type declaration.
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    79
 */
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    80
extern symbol_c null_symbol4;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    81
extern symtable_c<symbol_c *, &null_symbol4> type_symtable;
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
    82
328
66cd5d9893dd Add support for finding type of a constant enumerated value and managing conflict between same identifiers defined in different enumerated data types
laurent
parents: 279
diff changeset
    83
/* A symbol table with all values declared for enumerated type... */
338
3037bb7e8a82 Adding some comments, and removing a check for a semantic error in code being compiled.
Mario de Sousa <msousa@fe.up.pt>
parents: 328
diff changeset
    84
/* Notes:
3037bb7e8a82 Adding some comments, and removing a check for a semantic error in code being compiled.
Mario de Sousa <msousa@fe.up.pt>
parents: 328
diff changeset
    85
 * - if the value is defined multiple times the value
328
66cd5d9893dd Add support for finding type of a constant enumerated value and managing conflict between same identifiers defined in different enumerated data types
laurent
parents: 279
diff changeset
    86
 * is the null pointer.
338
3037bb7e8a82 Adding some comments, and removing a check for a semantic error in code being compiled.
Mario de Sousa <msousa@fe.up.pt>
parents: 328
diff changeset
    87
 *
3037bb7e8a82 Adding some comments, and removing a check for a semantic error in code being compiled.
Mario de Sousa <msousa@fe.up.pt>
parents: 328
diff changeset
    88
 * - The stored symbol_c * associated to the value points to the enumerated_type_name
3037bb7e8a82 Adding some comments, and removing a check for a semantic error in code being compiled.
Mario de Sousa <msousa@fe.up.pt>
parents: 328
diff changeset
    89
 * (i.e. the name of the enumerated data type) in which the the value/identifier
3037bb7e8a82 Adding some comments, and removing a check for a semantic error in code being compiled.
Mario de Sousa <msousa@fe.up.pt>
parents: 328
diff changeset
    90
 * is used/declared.
3037bb7e8a82 Adding some comments, and removing a check for a semantic error in code being compiled.
Mario de Sousa <msousa@fe.up.pt>
parents: 328
diff changeset
    91
 *
3037bb7e8a82 Adding some comments, and removing a check for a semantic error in code being compiled.
Mario de Sousa <msousa@fe.up.pt>
parents: 328
diff changeset
    92
 * - We could re-use the null_symbol4 object, but it is safer to use a distinct object
3037bb7e8a82 Adding some comments, and removing a check for a semantic error in code being compiled.
Mario de Sousa <msousa@fe.up.pt>
parents: 328
diff changeset
    93
 *   (i.e. it might make it easier to find strange bugs).
328
66cd5d9893dd Add support for finding type of a constant enumerated value and managing conflict between same identifiers defined in different enumerated data types
laurent
parents: 279
diff changeset
    94
 */
338
3037bb7e8a82 Adding some comments, and removing a check for a semantic error in code being compiled.
Mario de Sousa <msousa@fe.up.pt>
parents: 328
diff changeset
    95
extern symbol_c null_symbol5;
3037bb7e8a82 Adding some comments, and removing a check for a semantic error in code being compiled.
Mario de Sousa <msousa@fe.up.pt>
parents: 328
diff changeset
    96
extern symtable_c<symbol_c *, &null_symbol5> enumerated_value_symtable;
181
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
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
/***********************************************************************/
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
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   104
#include "spec_init_separator.hh"
377
60b012b7793f Adding support for compiling direct array specification inside variable declaration
laurent
parents: 375
diff changeset
   105
#include "array_dimension_iterator.hh"
347
44ff2a6fcadc Fix case statement in ST, adding support for enumerated types
laurent
parents: 338
diff changeset
   106
#include "case_element_iterator.hh"
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   107
#include "function_param_iterator.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   108
#include "function_call_iterator.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   109
#include "function_call_param_iterator.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   110
#include "type_initial_value.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   111
#include "search_fb_instance_decl.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   112
#include "search_fb_typedecl.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   113
#include "search_base_type.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   114
#include "search_var_instance_decl.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   115
#include "decompose_var_instance_name.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   116
#include "search_varfb_instance_type.hh"
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   117
#include "search_constant_type.hh"
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   118
#include "search_il_operand_type.hh"
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   119
#include "search_expression_type.hh"
202
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   120
#include "add_en_eno_param_decl.hh"
da1a8186f86f Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents: 181
diff changeset
   121
#include "get_sizeof_datatype.hh"
459
01f6664bf8c5 Continue adding support for semantic verification of JMP and RET.
Mario de Sousa <msousa@fe.up.pt>
parents: 377
diff changeset
   122
#include "search_il_label.hh"
511
b22ae67d8003 Moving get_var_name_c into its own file.
Mario de Sousa <msousa@fe.up.pt>
parents: 459
diff changeset
   123
#include "get_var_name.hh"
181
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   124
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   125
/***********************************************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   126
/***********************************************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   127
/***********************************************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   128
/***********************************************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   129
/***********************************************************************/
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   130
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   131
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   132
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   133
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   134
void absyntax_utils_init(symbol_c *tree_root);
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   135
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   136
38d6eb056260 Moving absyntax utility files out from stage4/generate_c
mario
parents:
diff changeset
   137
#endif /* _SEARCH_UTILS_HH */