1 /* |
1 /* |
2 * matiec - a compiler for the programming languages defined in IEC 61131-3 |
2 * matiec - a compiler for the programming languages defined in IEC 61131-3 |
3 * |
3 * |
4 * Copyright (C) 2003-2011 Mario de Sousa (msousa@fe.up.pt) |
4 * Copyright (C) 2003-2011 Mario de Sousa (msousa@fe.up.pt) |
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5 * Copyright (C) 2007-2011 Laurent Bessard and Edouard Tisserant |
5 * |
6 * |
6 * This program is free software: you can redistribute it and/or modify |
7 * This program is free software: you can redistribute it and/or modify |
7 * it under the terms of the GNU General Public License as published by |
8 * it under the terms of the GNU General Public License as published by |
8 * the Free Software Foundation, either version 3 of the License, or |
9 * the Free Software Foundation, either version 3 of the License, or |
9 * (at your option) any later version. |
10 * (at your option) any later version. |
19 * |
20 * |
20 * This code is made available on the understanding that it will not be |
21 * This code is made available on the understanding that it will not be |
21 * used in safety-critical situations without a full and competent review. |
22 * used in safety-critical situations without a full and competent review. |
22 */ |
23 */ |
23 |
24 |
24 /* |
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25 * An IEC 61131-3 compiler. |
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26 * |
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27 * Based on the |
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28 * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10) |
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29 * |
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30 */ |
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31 |
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32 |
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33 /* |
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34 * This is one of the versions available for the 4th stage. |
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35 * |
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36 * This 4th stage generates a c++ source program equivalent |
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37 * to the IL and ST code. |
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38 */ |
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39 |
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40 |
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41 |
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42 |
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43 |
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44 |
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45 // #include <stdio.h> /* required for NULL */ |
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46 #include <string> |
25 #include <string> |
47 #include <iostream> |
26 #include <iostream> |
48 #include <sstream> |
27 #include <sstream> |
49 #include <typeinfo> |
28 #include <typeinfo> |
50 #include <list> |
29 #include <list> |
55 #include "../../absyntax/visitor.hh" |
34 #include "../../absyntax/visitor.hh" |
56 #include "../../absyntax_utils/absyntax_utils.hh" |
35 #include "../../absyntax_utils/absyntax_utils.hh" |
57 |
36 |
58 #include "../stage4.hh" |
37 #include "../stage4.hh" |
59 |
38 |
60 |
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61 |
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62 |
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63 |
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64 |
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65 |
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66 //#define DEBUG |
39 //#define DEBUG |
67 #ifdef DEBUG |
40 #ifdef DEBUG |
68 #define TRACE(classname) printf("\n____%s____\n",classname); |
41 #define TRACE(classname) printf("\n____%s____\n",classname); |
69 #else |
42 #else |
70 #define TRACE(classname) |
43 #define TRACE(classname) |
71 #endif |
44 #endif |
72 |
45 |
73 |
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74 |
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75 #define ERROR error_exit(__FILE__,__LINE__) |
46 #define ERROR error_exit(__FILE__,__LINE__) |
76 /* function defined in main.cc */ |
47 /* function defined in main.cc */ |
77 extern void error_exit(const char *file_name, int line_no); |
48 extern void error_exit(const char *file_name, int line_no); |
78 |
49 |
79 |
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80 |
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81 |
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82 /***********************************************************************/ |
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83 /***********************************************************************/ |
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84 /***********************************************************************/ |
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85 /***********************************************************************/ |
50 /***********************************************************************/ |
86 |
51 |
87 /* Unlike Programs and Configurations which get mapped onto C++ classes, |
52 /* Unlike Programs and Configurations which get mapped onto C++ classes, |
88 * Function Blocks are mapped onto a C structure containing the variables, and |
53 * Function Blocks are mapped onto a C structure containing the variables, and |
89 * a C function containing the code in the FB's body. This is to allow direct allocation |
54 * a C function containing the code in the FB's body. This is to allow direct allocation |