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annotate tests/agcl/examples/good/hw1.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
parents 13d2b8934445
children
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1 #ifndef HW1_H
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2 #define HW1_H
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3
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4 typedef enum {
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5 hw1_grammar_token = 1
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6 } hw1_token_type;
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7
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8 typedef struct hw1_pcb_struct{
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9 hw1_token_type token_number, reduction_token, error_frame_token;
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10 int input_code;
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11 int input_value;
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12 int line, column;
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13 int ssx, sn, error_frame_ssx;
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14 int drt, dssx, dsn;
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15 int ss[128];
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16 int vs[128];
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17 int ag_ap;
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18 const char *error_message;
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19 char read_flag;
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20 char exit_flag;
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21 int bts[128], btsx;
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22 char ag_msg[82];
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23 } hw1_pcb_type;
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24
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25 #ifndef PRULE_CONTEXT
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26 #define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx]))
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27 #define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
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28 #define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx])
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29 #endif
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30
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31 #ifndef AG_RUNNING_CODE
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32 /* PCB.exit_flag values */
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33 #define AG_RUNNING_CODE 0
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34 #define AG_SUCCESS_CODE 1
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35 #define AG_SYNTAX_ERROR_CODE 2
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36 #define AG_REDUCTION_ERROR_CODE 3
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37 #define AG_STACK_ERROR_CODE 4
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38 #define AG_SEMANTIC_ERROR_CODE 5
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39 #endif
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40
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41 extern hw1_pcb_type hw1_pcb;
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42 void init_hw1(void);
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43 void hw1(void);
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44 #endif
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45