annotate tests/agcl/oldagsrc/good/asiwdp.h @ 24:a4899cdfc2d6 default tip

Obfuscate the regexps to strip off the IBM compiler's copyright banners. I don't want bots scanning github to think they're real copyright notices because that could cause real problems.
author David A. Holland
date Mon, 13 Jun 2022 00:40:23 -0400
parents 13d2b8934445
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #ifndef ASIWDP_H
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2 #define ASIWDP_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(Location)];
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9 char ag_vt_6[sizeof(double *)];
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10 } asi_vs_type;
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11
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12 typedef enum {
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13 asi_white_space_token = 1, asi_input_string_token = 4,
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14 asi_statements_token, asi_eof_token = 7, asi_statement_token,
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15 asi_skip_statement_token, asi_skip_open_statement_token,
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16 asi_skip_closed_statement_token, asi_statement_text_token,
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17 asi_balanced_braces_token = 15, asi_balanced_parens_token = 17,
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18 asi_open_statement_token = 20, asi_closed_statement_token,
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19 asi_expression_token, asi_true_if_condition_token = 25,
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20 asi_false_if_condition_token, asi_closed_while_token,
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21 asi_execute_while_token, asi_open_while_token, asi_while_token = 32,
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22 asi_while_loop_token, asi_false_while_condition_token,
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23 asi_true_while_condition_token, asi_conditional_expression_token,
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24 asi_logical_or_expression_token = 42,
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25 asi_logical_and_expression_token = 45, asi_equality_expression_token = 47,
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26 asi_relational_expression_token = 49, asi_additive_expression_token = 52,
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27 asi_multiplicative_expression_token = 57, asi_unary_expression_token = 60,
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28 asi_factor_token = 63, asi_primary_token, asi_blank_token = 72,
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29 asi_statement_char_token = 83, asi_name_string_token = 87,
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30 asi_letter_token, asi_simple_real_token = 90, asi_exponent_token = 93,
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31 asi_integer_part_token, asi_fraction_part_token = 96,
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32 asi_name_token = 114, asi_real_token = 134, asi_digit_token = 143
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33 } asi_token_type;
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34
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35 typedef struct asi_pcb_struct{
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36 asi_token_type token_number, reduction_token, error_frame_token;
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37 int input_code;
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38 int input_value;
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39 int line, column;
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40 int ssx, sn, error_frame_ssx;
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41 int drt, dssx, dsn;
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42 int ss[128];
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43 asi_vs_type vs[128];
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44 int ag_ap;
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45 const char *error_message;
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46 char read_flag;
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47 char exit_flag;
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48 int bts[128], btsx;
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49 unsigned char * pointer;
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50 unsigned char * la_ptr;
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51 const unsigned char *key_sp;
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52 int save_index, key_state;
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53 char ag_msg[82];
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54 const int *ag_dtl;
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55 int ag_dsn;
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56 /* Line -, asiwdp.syn */
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57 // Add declarations to parser control block
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58 CharStack charStack; // Stack to accumulate variable names
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59 WhileStack whileStack; // Stack of active while loops
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60 SymbolTable *symbolTable; // Pointer to external symbol table
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61
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62 void pushChar(int c); // Add character to character stack
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63 double *locateValue(int k); // Identify variable named on character stack
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64 void stackLoop(const Location &c); // Provide for nested while loops
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65 Location location(); // Capture current location of parse
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66 void setLocation(const Location &l); // Set location of parse
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67 void loopContinue(); // Set location to continue current while loop
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68 void loopExit(); // Set location to exit current while loop
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69 double checkZero(double value); // Check for zero divisor
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70
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71 // External interface to the parser
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72 int interpret(char *text, SymbolTable *s); // Parse instructions in text, using variables defined in s
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73 } asi_pcb_type;
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74
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75 #ifndef PRULE_CONTEXT
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76 #define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx]))
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77 #define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
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78 #define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx])
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79 #endif
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80
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81 #ifndef AG_RUNNING_CODE
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82 /* PCB.exit_flag values */
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83 #define AG_RUNNING_CODE 0
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84 #define AG_SUCCESS_CODE 1
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85 #define AG_SYNTAX_ERROR_CODE 2
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86 #define AG_REDUCTION_ERROR_CODE 3
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87 #define AG_STACK_ERROR_CODE 4
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88 #define AG_SEMANTIC_ERROR_CODE 5
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89 #endif
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90 void init_asi(asi_pcb_type *);
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91 void asi(asi_pcb_type *);
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92 #endif
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93