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annotate cgbigen/cgbigen.h @ 11:3aa0f5a02342

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Remove unused variable; fix what it was supposed to be doing. (and document it a bit for the next time through here)
author David A. Holland
date Tue, 31 May 2022 00:54:12 -0400
parents 13d2b8934445
children 5581ef01f993
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1 #ifndef CGBIGEN_H_1181769467
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2 #define CGBIGEN_H_1181769467
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3
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4 typedef enum {
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5 cgbigen_file_token = 1, cgbigen_blank_lines_token,
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6 cgbigen_block_token = 4, cgbigen_eof_token = 6, cgbigen_title_line_token,
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7 cgbigen_body_line_token, cgbigen_titles_token = 12, cgbigen_comment_token,
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8 cgbigen_newline_token = 15, cgbigen_title_token, cgbigen_blank_token = 18,
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9 cgbigen_name_token = 22, cgbigen_namechar_token, cgbigen_text_token,
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10 cgbigen_textchar_token, cgbigen_cr_token = 30, cgbigen_nl_token = 32,
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11 cgbigen_blank_line_token
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12 } cgbigen_token_type;
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13
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14 typedef struct cgbigen_pcb_struct{
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15 cgbigen_token_type token_number, reduction_token, error_frame_token;
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16 int input_code;
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17 int input_value;
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18 int line, column;
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19 int ssx, sn, error_frame_ssx;
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20 int drt, dssx, dsn;
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21 int ss[128];
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22 int vs[128];
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23 int ag_ap;
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24 const char *error_message;
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25 char read_flag;
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26 char exit_flag;
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27 int bts[128], btsx;
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28 int lab[3], rx, fx;
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29 const unsigned char *key_sp;
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30 int save_index, key_state;
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31 char ag_msg[82];
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32 } cgbigen_pcb_type;
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33
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34 #ifndef PRULE_CONTEXT
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35 #define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx]))
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36 #define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
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37 #define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx])
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38 #endif
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39
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40 #ifndef AG_RUNNING_CODE
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41 /* PCB.exit_flag values */
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42 #define AG_RUNNING_CODE 0
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43 #define AG_SUCCESS_CODE 1
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44 #define AG_SYNTAX_ERROR_CODE 2
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45 #define AG_REDUCTION_ERROR_CODE 3
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46 #define AG_STACK_ERROR_CODE 4
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47 #define AG_SEMANTIC_ERROR_CODE 5
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48 #endif
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49
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50 extern cgbigen_pcb_type cgbigen_pcb;
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51 void init_cgbigen(void);
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52 void cgbigen(void);
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53 #endif
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