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annotate tests/agcl/examples/good/krc.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 KRC_H
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2 #define KRC_H
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3
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4 typedef union {
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5 long alignment;
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6 char ag_vt_2[sizeof(int)];
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7 char ag_vt_4[sizeof(token)];
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8 } cc_vs_type;
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9
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10 typedef enum {
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11 cc_program_token = 1, cc_statement_token, cc_translation_unit_token,
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12 cc_eof_token, cc_external_declaration_token, cc_function_definition_token,
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13 cc_declaration_token, cc_declarator_token, cc_compound_statement_token,
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14 cc_declaration_list_token, cc_declaration_specifiers_token,
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15 cc_init_declarator_list_token, cc_storage_class_specifier_token = 15,
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16 cc_type_specifier_token, cc_type_qualifier_token, cc_AUTO_token,
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17 cc_REGISTER_token, cc_STATIC_token, cc_EXTERN_token, cc_TYPEDEF_token,
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18 cc_VOIDkey_token, cc_CHAR_token, cc_SHORT_token, cc_INT_token,
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19 cc_LONG_token, cc_FLOAT_token, cc_DOUBLE_token, cc_SIGNED_token,
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20 cc_UNSIGNED_token, cc_struct_or_union_specifier_token,
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21 cc_enum_specifier_token, cc_typedef_name_token, cc_CONSTANT_token,
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22 cc_VOLATILE_token, cc_struct_or_union_token, cc_identifier_token,
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23 cc_struct_declaration_list_token = 42, cc_STRUCT_token = 44,
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24 cc_UNION_token, cc_struct_declaration_token, cc_init_declarator_token,
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25 cc_initializer_token = 50, cc_specifier_qualifier_list_token,
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26 cc_struct_declarator_list_token, cc_struct_declarator_token,
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27 cc_constant_expression_token = 56, cc_ENUM_token,
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28 cc_enumerator_list_token, cc_enumerator_token, cc_direct_declarator_token,
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29 cc_pointer_token, cc_parameter_type_list_token = 67,
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30 cc_identifier_list_token, cc_type_qualifier_list_token = 71,
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31 cc_parameter_list_token = 73, cc_ELLIPSIS_token,
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32 cc_parameter_declaration_token, cc_abstract_declarator_token,
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33 cc_assignment_expression_token = 78, cc_initializer_list_token,
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34 cc_type_name_token, cc_direct_abstract_declarator_token,
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35 cc_NAME_token = 83, cc_labeled_statement_token,
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36 cc_expression_statement_token, cc_selection_statement_token,
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37 cc_iteration_statement_token, cc_jump_statement_token, cc_CASE_token,
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38 cc_DEFAULT_token, cc_expression_token, cc_statement_list_token = 93,
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39 cc_IF_token = 95, cc_ELSE_token, cc_SWITCH_token, cc_WHILE_token,
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40 cc_DO_token, cc_FOR_token, cc_GOTO_token, cc_CONTINUE_token,
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41 cc_BREAK_token, cc_RETURN_token, cc_conditional_expression_token,
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42 cc_unary_expression_token, cc_assignment_operator_token,
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43 cc_MULTassign_token, cc_DIVassign_token, cc_MODassign_token,
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44 cc_PLUSassign_token, cc_MINUSassign_token, cc_LSassign_token,
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45 cc_RSassign_token, cc_ANDassign_token, cc_ORassign_token,
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46 cc_ERassign_token, cc_logical_or_expression_token,
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47 cc_logical_and_expression_token = 120, cc_OROR_token,
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48 cc_inclusive_or_expression_token, cc_ANDAND_token,
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49 cc_exclusive_or_expression_token, cc_and_expression_token = 126,
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50 cc_equality_expression_token = 128, cc_relational_expression_token = 130,
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51 cc_EQ_token, cc_NE_token, cc_shift_expression_token, cc_LE_token = 136,
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52 cc_GE_token, cc_additive_expression_token, cc_LS_token, cc_RS_token,
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53 cc_multiplicative_expression_token, cc_cast_expression_token = 144,
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54 cc_postfix_expression_token = 147, cc_ICR_token, cc_DECR_token,
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55 cc_unary_operator_token, cc_SIZEOF_token,
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56 cc_primary_expression_token = 154, cc_argument_expression_list_token,
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57 cc_ARROW_token = 158, cc_constant_token, cc_STRINGliteral_token,
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58 cc_HEXconstant_token, cc_OCTconstant_token, cc_DECconstant_token,
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59 cc_FLOATconstant_token, cc_CHARACTERconstant_token
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60 } cc_token_type;
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61
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62 typedef struct cc_pcb_struct{
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63 cc_token_type token_number, reduction_token, error_frame_token;
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64 int input_code;
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65 token input_value;
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66 int line, column;
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67 int ssx, sn, error_frame_ssx;
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68 int drt, dssx, dsn;
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69 int ss[128];
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70 cc_vs_type vs[128];
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71 int ag_ap;
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72 const char *error_message;
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73 char read_flag;
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74 char exit_flag;
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75 int bts[128], btsx;
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76 char ag_msg[82];
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77 const int *ag_dtl;
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78 int ag_dsn;
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79 } cc_pcb_type;
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80
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81 #ifndef PRULE_CONTEXT
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82 #define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx]))
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83 #define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
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84 #define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx])
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85 #endif
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86
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87 #ifndef AG_RUNNING_CODE
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88 /* PCB.exit_flag values */
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89 #define AG_RUNNING_CODE 0
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90 #define AG_SUCCESS_CODE 1
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91 #define AG_SYNTAX_ERROR_CODE 2
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92 #define AG_REDUCTION_ERROR_CODE 3
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93 #define AG_STACK_ERROR_CODE 4
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94 #define AG_SEMANTIC_ERROR_CODE 5
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95 #endif
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96
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97 extern cc_pcb_type cc_pcb;
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98 void init_cc(void);
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99 void cc(void);
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100 #endif
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101