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annotate tests/agcl/bugs/good/wraperror.h @ 6:607e3be6bad8

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Adjust to the moving target called the C++ standard. Apparently nowadays it's not allowed to define an explicit copy constructor but not an assignment operator. Consequently, defining the explicit copy constructor in terms of the implicit/automatic assignment operator for general convenience no longer works. Add assignment operators. Caution: not tested with the IBM compiler, but there's no particular reason it shouldn't work.
author David A. Holland
date Mon, 30 May 2022 23:46:22 -0400
parents 13d2b8934445
children
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1 #ifndef WRAPERROR_H
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2 #define WRAPERROR_H
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3
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4 #ifndef AG_OBJECT_WRAPPER_DEFINED
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5 #define AG_OBJECT_WRAPPER_DEFINED
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6
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7 #ifndef AG_PLACEMENT_DELETE_REQUIRED
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8 #if _MSC_VER >= 1200 || __INTEL_COMPILER
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9 #define AG_PLACEMENT_DELETE_REQUIRED 1
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10 #endif
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11 #endif
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12
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13 template <class Object>
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14 class AgObjectWrapper {
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15 Object object;
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16 public:
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17 void operator delete(void *) {}
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18 void *operator new(size_t, void *p) { return p;}
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19 #if AG_PLACEMENT_DELETE_REQUIRED
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20 void operator delete(void *, void *) { }
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21 #endif
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22 AgObjectWrapper(const Object &o) : object(o) {}
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23 ~AgObjectWrapper() {}
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24 operator Object &() {return object;}
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25 };
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26
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27 #endif
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28
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29 typedef union {
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30 long alignment;
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31 char ag_vt_2[sizeof(int)];
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32 char ag_vt_4[sizeof(AgObjectWrapper<foo >)];
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33 char ag_vt_5[sizeof(bar)];
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34 } wraperror_vs_type;
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35
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36 typedef enum {
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37 wraperror_file_token = 1, wraperror_declarations_token,
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38 wraperror_eof_token, wraperror_declaration_token,
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39 wraperror_foo_decl_token = 6, wraperror_bar_decl_token = 8,
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40 wraperror_error_token
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41 } wraperror_token_type;
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42
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43 typedef struct wraperror_pcb_struct{
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44 wraperror_token_type token_number, reduction_token, error_frame_token;
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45 int input_code;
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46 int input_value;
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47 int line, column;
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48 int ssx, sn, error_frame_ssx;
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49 int drt, dssx, dsn;
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50 int ss[128];
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51 wraperror_vs_type vs[128];
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52 int ag_ap;
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53 const char *error_message;
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54 char read_flag;
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55 char exit_flag;
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56 int bts[128], btsx;
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57 char ag_msg[82];
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58 } wraperror_pcb_type;
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59
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60 #ifndef PRULE_CONTEXT
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61 #define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx]))
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62 #define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
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63 #define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx])
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64 #endif
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65
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66 #ifndef AG_RUNNING_CODE
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67 /* PCB.exit_flag values */
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68 #define AG_RUNNING_CODE 0
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69 #define AG_SUCCESS_CODE 1
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70 #define AG_SYNTAX_ERROR_CODE 2
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71 #define AG_REDUCTION_ERROR_CODE 3
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72 #define AG_STACK_ERROR_CODE 4
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73 #define AG_SEMANTIC_ERROR_CODE 5
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74 #endif
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75
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76 extern wraperror_pcb_type wraperror_pcb;
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77 void init_wraperror(void);
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78 void wraperror(void);
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79 #endif
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