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annotate tests/agcl/parsifal/good/factor.h @ 20:bb115deb6fb2

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Improve agfiles rule. (1) It didn't depend on $(AGCL) and it absolutely should have. (2) allow AGFORCE=1 to make it rebuild whether or not it looks out of date. (3) Document this.
author David A. Holland
date Mon, 13 Jun 2022 00:02:15 -0400
parents 13d2b8934445
children
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1 #ifndef FACTOR_H
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2 #define FACTOR_H
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3
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4 typedef enum {
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5 factor_factor_token = 1, factor_true_logical_or_exp_token = 4,
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6 factor_skip_token = 7, factor_false_logical_or_exp_token = 9,
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7 factor_balanced_parens_token = 14, factor_white_space_token = 19,
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8 factor_space_token, factor_comment_token,
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9 factor_conditional_exp_token = 26, factor_logical_or_exp_token = 29,
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10 factor_skip_char_token
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11 } factor_token_type;
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12
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13 typedef struct factor_pcb_struct{
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14 factor_token_type token_number, reduction_token, error_frame_token;
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15 int input_code;
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16 int input_value;
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17 int line, column;
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18 int ssx, sn, error_frame_ssx;
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19 int drt, dssx, dsn;
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20 int ss[128];
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21 int vs[128];
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22 int ag_ap;
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23 const char *error_message;
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24 char read_flag;
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25 char exit_flag;
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26 int bts[128], btsx;
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27 int lab[3], rx, fx;
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28 const unsigned char *key_sp;
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29 int save_index, key_state;
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30 char ag_msg[82];
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31 const int *ag_dtl;
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32 int ag_dsn;
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33 } factor_pcb_type;
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34
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35 #ifndef PRULE_CONTEXT
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36 #define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx]))
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37 #define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
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38 #define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx])
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39 #endif
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40
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41 #ifndef AG_RUNNING_CODE
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42 /* PCB.exit_flag values */
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43 #define AG_RUNNING_CODE 0
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44 #define AG_SUCCESS_CODE 1
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45 #define AG_SYNTAX_ERROR_CODE 2
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46 #define AG_REDUCTION_ERROR_CODE 3
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47 #define AG_STACK_ERROR_CODE 4
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48 #define AG_SEMANTIC_ERROR_CODE 5
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49 #endif
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50
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51 extern factor_pcb_type factor_pcb;
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52 void init_factor(void);
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53 void factor(void);
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54 #endif
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55