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annotate tests/agcl/contrib/good/yabasic.h @ 4:bebb2ba69e1d

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maybe help with getting tex to fail properly on error
author David A. Holland
date Sat, 18 Apr 2020 17:12:17 -0400
parents 13d2b8934445
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #ifndef YABASIC_H
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2 #define YABASIC_H
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3
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4 typedef union {
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5 double alignment;
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6 char ag_vt_2[sizeof(int)];
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7 char ag_vt_4[sizeof(double)];
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8 char ag_vt_5[sizeof(char *)];
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9 } parseBasic_vs_type;
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10
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11 typedef enum {
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12 parseBasic_white_space_token = 1, parseBasic_SEP_token = 7,
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13 parseBasic_simple_real_token = 14, parseBasic_exponent_token = 18,
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14 parseBasic_integer_part_token = 20, parseBasic_fraction_part_token = 22,
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15 parseBasic_letter_token = 25, parseBasic_SYMBOL_token = 27,
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16 parseBasic_DIGITS_token = 29, parseBasic_string_text_token = 31,
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17 parseBasic_program_token = 34, parseBasic_statement_list_token,
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18 parseBasic_eof_token, parseBasic_statement_token, parseBasic_label_token,
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19 parseBasic_string_assignment_token = 40, parseBasic_assignment_token,
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20 parseBasic_for_loop_token, parseBasic_if_clause_token,
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21 parseBasic_symbol_or_lineno_token = 45, parseBasic_expression_token = 51,
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22 parseBasic_goto_list_token = 53, parseBasic_gosub_list_token = 55,
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23 parseBasic_hashed_number_token = 57,
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24 parseBasic_string_expression_token = 59, parseBasic_printintro_token = 62,
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25 parseBasic_printlist_token, parseBasic_semicolon_token = 65,
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26 parseBasic_inputintro_token = 67, parseBasic_inputlist_token,
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27 parseBasic_readlist_token = 70, parseBasic_datalist_token = 72,
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28 parseBasic_dimlist_token = 76, parseBasic_mapping_token = 79,
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29 parseBasic_indexlist_token = 107,
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30 parseBasic_primary_string_expression_token = 114,
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31 parseBasic_string_function_token,
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32 parseBasic_primary_expression_token = 129, parseBasic_function_token,
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33 parseBasic_exponential_expression_token = 132,
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34 parseBasic_multiplicative_expression_token = 134,
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35 parseBasic_const_token = 159, parseBasic_intnum_token,
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36 parseBasic_step_part_token = 167, parseBasic_next_or_eofile_token = 170,
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37 parseBasic_next_symbol_token, parseBasic_condition_token = 175,
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38 parseBasic_else_part_token = 179, parseBasic_endif_or_eof_token = 181,
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39 parseBasic_and_condition_token = 183,
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40 parseBasic_primary_condition_token = 185,
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41 parseBasic_comparison_token = 187, parseBasic_input_token = 195,
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42 parseBasic_readitem_token = 198, parseBasic_stream_token = 201,
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43 parseBasic_position_token, parseBasic_prompt_token = 204,
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44 parseBasic_name_token = 216, parseBasic_digit_string_token,
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45 parseBasic_STRSYM_token = 257, parseBasic_STRING_token = 262,
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46 parseBasic_number_token = 274, parseBasic_digit_token = 324
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47 } parseBasic_token_type;
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48
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49 typedef struct parseBasic_pcb_struct{
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50 parseBasic_token_type token_number, reduction_token, error_frame_token;
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51 int input_code;
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52 int input_value;
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53 int line, column;
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54 int ssx, sn, error_frame_ssx;
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55 int drt, dssx, dsn;
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56 int ss[128];
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57 parseBasic_vs_type vs[128];
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58 int ag_ap;
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59 const char *error_message;
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60 char read_flag;
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61 char exit_flag;
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62 int bts[128], btsx;
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63 int lab[10], rx, fx;
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64 const unsigned char *key_sp;
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65 int save_index, key_state;
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66 char ag_msg[82];
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67 } parseBasic_pcb_type;
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68
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69 #ifndef PRULE_CONTEXT
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70 #define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx]))
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71 #define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
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72 #define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx])
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73 #endif
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74
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75 #ifndef AG_RUNNING_CODE
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76 /* PCB.exit_flag values */
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77 #define AG_RUNNING_CODE 0
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78 #define AG_SUCCESS_CODE 1
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79 #define AG_SYNTAX_ERROR_CODE 2
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80 #define AG_REDUCTION_ERROR_CODE 3
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81 #define AG_STACK_ERROR_CODE 4
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82 #define AG_SEMANTIC_ERROR_CODE 5
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83 #endif
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84
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85 extern parseBasic_pcb_type parseBasic_pcb;
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86 void init_parseBasic(void);
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87 void parseBasic(void);
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88 #endif
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89