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annotate tests/agcl/oldagsrc/good/dsl.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 DSL_H
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2 #define DSL_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_3[sizeof(long)];
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8 char ag_vt_4[sizeof(char *)];
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9 char ag_vt_5[sizeof(unsigned)];
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10 char ag_vt_6[sizeof(screen_descriptor *)];
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11 char ag_vt_7[sizeof(query_item *)];
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12 } dsl_vs_type;
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13
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14 typedef enum {
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15 dsl_name_token = 1, dsl_ws_token, dsl_word_token = 10, dsl_white_token,
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16 dsl_comment_token, dsl_comment_head_token, dsl_not_eol_token = 19,
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17 dsl_script_file_token = 22, dsl_execution_block_token,
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18 dsl_declaration_token, dsl_eof_token = 28,
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19 dsl_parameter_string_token = 31, dsl_string_token = 33,
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20 dsl_param_word_token = 35, dsl_text_char_token = 37,
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21 dsl_action_text_token, dsl_action_text_head_token,
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22 dsl_operator_token = 42, dsl_paren_string_chars_token,
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23 dsl_paren_string_char_token = 46, dsl_not_paren_token,
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24 dsl_string_chars_token = 49, dsl_string_char_token = 51,
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25 dsl_not_double_quote_token, dsl_escape_sequence_token,
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26 dsl_octal_escape_token = 65, dsl_hex_escape_token, dsl_one_octal_token,
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27 dsl_two_octal_token, dsl_three_octal_token, dsl_hex_number_token = 73,
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28 dsl_hex_digit_token, dsl_command_token, dsl_identifier_token,
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29 dsl_parameters_token, dsl_piped_command_token = 80,
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30 dsl_command_sequence_token = 86, dsl_if_sequence_token,
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31 dsl_statement_token = 89, dsl_if_statement_token = 91,
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32 dsl_if_condition_token, dsl_conditional_exp_token = 94,
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33 dsl_assignment_token, dsl_for_statement_token,
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34 dsl_screen_description_token, dsl_while_statement_token,
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35 dsl_undeclared_variable_token = 100, dsl_integer_variable_token = 102,
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36 dsl_string_variable_token = 105, dsl_string_exp_token,
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37 dsl_primary_exp_token = 108, dsl_letter_token = 118, dsl_digit_token,
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38 dsl_logical_or_exp_token, dsl_logical_and_exp_token = 123,
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39 dsl_inclusive_or_exp_token = 125, dsl_exclusive_or_exp_token = 127,
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40 dsl_and_exp_token, dsl_equality_exp_token = 130,
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41 dsl_relational_exp_token = 132, dsl_shift_exp_token = 135,
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42 dsl_additive_exp_token = 138, dsl_multiplicative_exp_token = 140,
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43 dsl_unary_exp_token = 143, dsl_nonzero_token = 146,
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44 dsl_string_term_token = 150, dsl_string_element_token,
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45 dsl_numeric_name_token, dsl_built_in_name_token,
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46 dsl_built_in_argument_token, dsl_string_name_token,
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47 dsl_undefined_name_token, dsl_hex_constant_token = 159,
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48 dsl_octal_constant_token, dsl_decimal_constant_token,
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49 dsl_char_constant_element_token = 170, dsl_not_single_quote_token,
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50 dsl_screen_items_token, dsl_formula_token = 175, dsl_color_spec_token,
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51 dsl_query_line_token = 182, dsl_button_line_token,
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52 dsl_formula_element_token = 191, dsl_eol_token = 198,
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53 dsl_paren_string_token, dsl_string_literal_token, dsl_literal_token,
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54 dsl_literals_token = 222, dsl_integer_constant_token = 244,
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55 dsl_character_constant_token, dsl__last_token = 262
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56 } dsl_token_type;
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57
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58 typedef struct dsl_pcb_struct{
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59 dsl_token_type token_number, reduction_token, error_frame_token;
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60 int input_code;
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61 int input_value;
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62 int line, column;
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63 int ssx, sn, error_frame_ssx;
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64 int drt, dssx, dsn;
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65 int ss[128];
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66 dsl_vs_type vs[128];
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67 int ag_ap;
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68 const char *error_message;
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69 char read_flag;
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70 char exit_flag;
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71 action_pointer input_context;
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72 action_pointer cs[128];
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73 int bts[128], btsx;
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74 unsigned char * pointer;
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75 unsigned char * la_ptr;
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76 const unsigned char *key_sp;
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77 int save_index, key_state;
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78 char ag_msg[82];
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79 const int *ag_dtl;
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80 int ag_dsn;
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81 } dsl_pcb_type;
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82
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83 #ifndef PRULE_CONTEXT
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84 #define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx]))
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85 #define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
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86 #define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx])
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87 #endif
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88
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89 #ifndef AG_RUNNING_CODE
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90 /* PCB.exit_flag values */
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91 #define AG_RUNNING_CODE 0
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92 #define AG_SUCCESS_CODE 1
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93 #define AG_SYNTAX_ERROR_CODE 2
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94 #define AG_REDUCTION_ERROR_CODE 3
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95 #define AG_STACK_ERROR_CODE 4
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96 #define AG_SEMANTIC_ERROR_CODE 5
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97 #endif
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98
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99 extern dsl_pcb_type dsl_pcb;
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100 void init_dsl(void);
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101 void dsl(void);
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102 #endif
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103