1 /*

     2  * (c) 2003 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 file contains the code that stores the output generated

    28  * by each specific version of the 4th stage.

    29  */

    30 

    31 

    32 #include "../absyntax/absyntax.hh"

    33 

    34 

    35 class stage4out_c {

    36   public:

    37     std::string indent_level;

    38     std::string indent_spaces;

    39 

    40   public:

    41     stage4out_c(std::string indent_level = "  ");

    42     ~stage4out_c(void);

    43 

    44     void indent_right(void);

    45     void indent_left(void);

    46 

    47     void *print(const char *str);

    48     void *print(std::string str);

    49 

    50     void *printupper(const char *str);

    51     void *printupper(std::string str);

    52 };

    53 

    54 

    55 

    56 

    57 

    58 int stage4(symbol_c *tree_root);