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annotate tests/agcl/examples/good/dsl.h @ 21:1c9dac05d040

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Add lint-style FALLTHROUGH annotations to fallthrough cases. (in the parse engine and thus the output code) Document this, because the old output causes warnings with gcc10.
author David A. Holland
date Mon, 13 Jun 2022 00:04:38 -0400
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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_ws_token = 1, dsl_white_token = 10, dsl_comment_token,
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16 dsl_comment_head_token, dsl_not_eol_token = 18,
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17 dsl_script_file_token = 21, dsl_execution_block_token,
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18 dsl_declaration_token, dsl_eof_token = 27, dsl_word_token,
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19 dsl_integer_variable_token, dsl_string_variable_token,
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20 dsl_undeclared_variable_token, dsl_parameter_string_token = 34,
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21 dsl_string_token = 36, dsl_param_word_token = 38, dsl_text_char_token,
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22 dsl_action_text_token, dsl_action_text_head_token,
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23 dsl_action_word_token = 44, dsl_action_parameter_string_token = 46,
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24 dsl_action_param_word_token, dsl_paren_string_chars_token,
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25 dsl_paren_string_char_token = 51, dsl_not_paren_token,
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26 dsl_string_chars_token = 54, dsl_string_char_token = 56,
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27 dsl_not_double_quote_token, dsl_escape_sequence_token,
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28 dsl_octal_escape_token = 70, dsl_hex_escape_token, dsl_one_octal_token,
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29 dsl_two_octal_token, dsl_three_octal_token, dsl_hex_number_token = 78,
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30 dsl_hex_digit_token, dsl_command_token, dsl_identifier_token,
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31 dsl_parameters_token, dsl_piped_command_token = 85,
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32 dsl_command_sequence_token = 91, dsl_if_sequence_token,
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33 dsl_statement_token = 94, dsl_if_statement_token = 96,
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34 dsl_if_condition_token, dsl_conditional_exp_token = 99,
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35 dsl_assignment_token, dsl_for_statement_token,
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36 dsl_screen_description_token, dsl_while_statement_token,
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37 dsl_string_exp_token = 108, dsl_primary_exp_token = 110,
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38 dsl_letter_token = 120, dsl_digit_token, dsl_logical_or_exp_token,
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39 dsl_logical_and_exp_token = 125, dsl_inclusive_or_exp_token = 127,
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40 dsl_exclusive_or_exp_token = 129, dsl_and_exp_token,
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41 dsl_equality_exp_token = 132, dsl_relational_exp_token = 134,
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42 dsl_shift_exp_token = 137, dsl_additive_exp_token = 140,
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43 dsl_multiplicative_exp_token = 142, dsl_unary_exp_token = 145,
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44 dsl_nonzero_token = 148, dsl_string_term_token = 152,
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45 dsl_string_element_token, 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 = 161,
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48 dsl_octal_constant_token, dsl_decimal_constant_token,
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49 dsl_char_constant_element_token = 172, dsl_not_single_quote_token,
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50 dsl_screen_items_token, dsl_formula_token = 177, dsl_color_spec_token,
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51 dsl_query_line_token = 184, dsl_button_line_token,
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52 dsl_formula_element_token = 193, dsl_eol_token = 200,
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53 dsl_paren_string_token, dsl_string_literal_token, dsl_literal_token = 208,
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54 dsl_name_token = 223, dsl_literals_token = 225,
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55 dsl_integer_constant_token = 247, dsl_character_constant_token,
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56 dsl__last_token = 263
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57 } dsl_token_type;
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58
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59 typedef struct dsl_pcb_struct{
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60 dsl_token_type token_number, reduction_token, error_frame_token;
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61 int input_code;
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62 int input_value;
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63 int line, column;
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64 int ssx, sn, error_frame_ssx;
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65 int drt, dssx, dsn;
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66 int ss[128];
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67 dsl_vs_type vs[128];
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68 int ag_ap;
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69 const char *error_message;
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70 char read_flag;
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71 char exit_flag;
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72 action_pointer input_context;
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73 action_pointer cs[128];
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74 int bts[128], btsx;
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75 unsigned char * pointer;
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76 unsigned char * la_ptr;
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77 const unsigned char *key_sp;
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78 int save_index, key_state;
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79 char ag_msg[82];
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80 const int *ag_dtl;
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81 int ag_dsn;
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82 } dsl_pcb_type;
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83
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84 #ifndef PRULE_CONTEXT
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85 #define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx]))
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86 #define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
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87 #define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx])
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88 #endif
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89
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90 #ifndef AG_RUNNING_CODE
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91 /* PCB.exit_flag values */
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92 #define AG_RUNNING_CODE 0
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93 #define AG_SUCCESS_CODE 1
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94 #define AG_SYNTAX_ERROR_CODE 2
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95 #define AG_REDUCTION_ERROR_CODE 3
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96 #define AG_STACK_ERROR_CODE 4
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97 #define AG_SEMANTIC_ERROR_CODE 5
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98 #endif
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99
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100 extern dsl_pcb_type dsl_pcb;
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101 void init_dsl(void);
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102 void dsl(void);
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103 #endif
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104