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annotate tests/agcl/oldagsrc/good/pgg24.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 PGG24_H
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2 #define PGG24_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(CharSetExpression *)];
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8 char ag_vt_5[sizeof(unsigned char *)];
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9 } pgg_vs_type;
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10
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11 typedef enum {
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12 pgg_arrow_token = 1, pgg_blank_token = 3, pgg_comma_token = 6,
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13 pgg_space_token = 8, pgg_ellipsis_token = 10, pgg_equals_token = 12,
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14 pgg_bang_token = 14, pgg_left_brace_token = 16,
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15 pgg_left_bracket_token = 18, pgg_left_parenthesis_token = 20,
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16 pgg_minus_token = 22, pgg_plus_token = 24, pgg_right_bracket_token = 26,
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17 pgg_right_brace_token = 28, pgg_right_parenthesis_token = 30,
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18 pgg_right_quote_token = 32, pgg_single_quote_token, pgg_tilde_token,
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19 pgg_vertical_bar_token = 36, pgg_syntax_definition_token = 38,
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20 pgg_end_of_line_token, pgg_complete_statements_token = 41,
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21 pgg_statement_token, pgg_eof_token = 44, pgg_production_token,
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22 pgg_definition_token, pgg_embedded_c_token,
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23 pgg_configuration_section_token, pgg_complete_statement_token,
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24 pgg_simple_statement_token, pgg_left_hand_side_token,
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25 pgg_right_hand_side_token, pgg_additional_rule_spec_token,
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26 pgg_rule_specs_token = 55, pgg_token_name_list_token,
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27 pgg_type_definition_token, pgg_token_name_token, pgg_name_token,
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28 pgg_data_type_token = 61, pgg_wrapper_type_token, pgg_wrapper_list_token,
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29 pgg_proper_vp_rule_specs_token, pgg_vp_rule_spec_token,
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30 pgg_additional_vp_rule_spec_token, pgg_vp_rule_specs_token,
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31 pgg_reduction_procedure_token, pgg_vp_rules_token, pgg_grammar_rule_token,
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32 pgg_rule_spec_token, pgg_init_grammar_rule_token, pgg_rule_element_token,
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33 pgg_parameter_name_token, pgg_c_expression_token,
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34 pgg_type_name_token = 77, pgg_template_field_token,
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35 pgg_abstract_declarator_token = 80, pgg_indirect_data_type_token = 84,
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36 pgg_direct_abstract_declarator_token, pgg_template_field_head_token,
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37 pgg_star_token = 90, pgg_pointer_token = 92, pgg_name_string_token,
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38 pgg_letter_token, pgg_enum_fix_token = 96, pgg_blank_char_token = 98,
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39 pgg_c_comment_token, pgg_continuation_token, pgg_comment_token,
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40 pgg_next_line_token, pgg_carriage_return_token, pgg_newline_token = 105,
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41 pgg_white_token, pgg_vertical_space_token, pgg_character_token = 112,
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42 pgg_signed_number_token, pgg_quoted_character_token = 116,
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43 pgg_char_const_token, pgg_sign_token, pgg_simple_number_token,
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44 pgg_decimal_number_token = 121, pgg_octal_number_token = 123,
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45 pgg_hex_number_token = 127, pgg_hex_digit_token = 131,
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46 pgg_token_token = 133, pgg_mid_rule_action_token, pgg_union_token,
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47 pgg_virtual_production_token, pgg_intersection_token, pgg_negation_token,
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48 pgg_simple_set_token = 140, pgg_escape_sequence_token = 142,
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49 pgg_octal_escape_token, pgg_three_octal_token, pgg_hex_escape_token,
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50 pgg_character_range_token, pgg_enum_definition_token = 148,
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51 pgg_enum_statement_token, pgg_keyword_string_token,
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52 pgg_keyword_string_head_token, pgg_string_token, pgg_double_quote_token,
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53 pgg_string_A_token, pgg_string_B_token, pgg_string_C_token,
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54 pgg_string_char_token, pgg_simple_string_char_token,
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55 pgg_one_octal_token = 170, pgg_backslash_token, pgg_two_octal_token,
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56 pgg_any_digit_token = 174, pgg_nonoctal_digit_token,
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57 pgg_c_name_token = 177, pgg_simple_name_token,
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58 pgg_configuration_parameters_token,
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59 pgg_configuration_parameter_list_token,
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60 pgg_configuration_parameter_token = 182, pgg_attribute_statement_token,
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61 pgg_keyword_kluge_token, pgg_token_list_token = 187,
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62 pgg_new_reserve_statement_token = 193, pgg_list_end_token,
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63 pgg_macro_name_token = 203, pgg_tokens_token = 206,
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64 pgg_embedded_c_head_token = 213, pgg_c_code_token,
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65 pgg_c_code_first_token = 218, pgg_c_text_token,
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66 pgg_c_character_constant_token = 221, pgg_c_string_constant_token,
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67 pgg_c_char_token, pgg_simple_c_char_token, pgg_c_expression_head_token,
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68 pgg_c_chars_token, pgg_c_expression_char_token,
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69 pgg_c_comment_head_token = 230, pgg_c_literal_elem_token = 234,
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70 pgg_anything_token
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71 } pgg_token_type;
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72
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73 typedef struct pgg_pcb_struct{
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74 pgg_token_type token_number, reduction_token, error_frame_token;
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75 int input_code;
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76 int input_value;
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77 int line, column;
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78 int ssx, sn, error_frame_ssx;
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79 int drt, dssx, dsn;
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80 int ss[128];
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81 pgg_vs_type vs[128];
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82 int ag_ap;
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83 const char *error_message;
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84 char read_flag;
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85 char exit_flag;
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86 cint input_context;
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87 cint cs[128];
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88 int bts[128], btsx;
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89 int (* const *gt_procs)(void);
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90 int (* const *r_procs)(void);
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91 int (* const *s_procs)(void);
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92 unsigned char * pointer;
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93 unsigned char * la_ptr;
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94 const unsigned char *key_sp;
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95 int save_index, key_state;
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96 int ag_error_depth, ag_min_depth, ag_tmp_depth;
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97 int ag_rss[2*128], ag_lrss;
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98 char ag_msg[82];
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99 const int *ag_dtl;
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100 int ag_dsn;
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101 int ag_resynch_active;
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102 } pgg_pcb_type;
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103
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104 #ifndef PRULE_CONTEXT
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105 #define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx]))
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106 #define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
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107 #define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx])
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108 #endif
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109
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110 #ifndef AG_RUNNING_CODE
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111 /* PCB.exit_flag values */
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112 #define AG_RUNNING_CODE 0
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113 #define AG_SUCCESS_CODE 1
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114 #define AG_SYNTAX_ERROR_CODE 2
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115 #define AG_REDUCTION_ERROR_CODE 3
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116 #define AG_STACK_ERROR_CODE 4
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117 #define AG_SEMANTIC_ERROR_CODE 5
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118 #endif
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119 void init_pgg(void);
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120 void pgg(void);
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121 #endif
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122