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annotate tests/agcl/ffcalc/good/ffc.h @ 10:5b21f127e957

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silence random gcc warning
author David A. Holland
date Mon, 30 May 2022 23:58:14 -0400
parents 13d2b8934445
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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13d2b8934445 Import AnaGram (near-)release tree into Mercurial.
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1 #ifndef FFC_H
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2 #define FFC_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 } ffc_vs_type;
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9
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10 typedef enum {
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11 ffc_white_space_token = 1, ffc_calculator_token = 3,
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12 ffc_calculation_token, ffc_eof_token = 10, ffc_expression_token,
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13 ffc_name_token, ffc_error_token = 14, ffc_term_token,
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14 ffc_factor_token = 18, ffc_integer_part_token = 30,
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15 ffc_fraction_part_token = 32, ffc_digit_token = 34, ffc_real_token = 44
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16 } ffc_token_type;
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17
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18 typedef struct ffc_pcb_struct{
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19 ffc_token_type token_number, reduction_token, error_frame_token;
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20 int input_code;
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21 int input_value;
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22 int line, column;
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23 int ssx, sn, error_frame_ssx;
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24 int drt, dssx, dsn;
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25 int ss[128];
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26 ffc_vs_type vs[128];
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27 int ag_ap;
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28 const char *error_message;
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29 char read_flag;
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30 char exit_flag;
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31 int bts[128], btsx;
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32 int lab[3], rx, fx;
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33 const unsigned char *key_sp;
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34 int save_index, key_state;
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35 char ag_msg[82];
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36 } ffc_pcb_type;
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37
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38 #ifndef PRULE_CONTEXT
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39 #define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx]))
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40 #define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
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41 #define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx])
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42 #endif
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43
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44 #ifndef AG_RUNNING_CODE
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45 /* PCB.exit_flag values */
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46 #define AG_RUNNING_CODE 0
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47 #define AG_SUCCESS_CODE 1
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48 #define AG_SYNTAX_ERROR_CODE 2
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49 #define AG_REDUCTION_ERROR_CODE 3
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50 #define AG_STACK_ERROR_CODE 4
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51 #define AG_SEMANTIC_ERROR_CODE 5
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52 #endif
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53
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54 extern ffc_pcb_type ffc_pcb;
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55 void init_ffc(void);
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56 void ffc(void);
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57 #endif
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58