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annotate tests/agcl/ffcalc/good/ffcx.h @ 11:3aa0f5a02342
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 |
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date | Tue, 31 May 2022 00:54:12 -0400 |
parents | 13d2b8934445 |
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rev | line source |
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1 #ifndef FFCX_H |
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2 #define FFCX_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 } ffcx_vs_type; |
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9 |
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10 typedef enum { |
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11 ffcx_white_space_token = 1, ffcx_unary_minus_token = 7, |
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12 ffcx_calculator_token, ffcx_calculation_token, ffcx_eof_token = 15, |
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13 ffcx_expression_token, ffcx_name_token, ffcx_error_token = 19, |
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14 ffcx_integer_part_token = 29, ffcx_fraction_part_token = 31, |
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15 ffcx_digit_token = 33, ffcx_real_token = 39 |
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16 } ffcx_token_type; |
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17 |
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18 typedef struct ffcx_pcb_struct{ |
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19 ffcx_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 ffcx_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 } ffcx_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 ffcx_pcb_type ffcx_pcb; |
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55 void init_ffcx(void); |
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56 void ffcx(void); |
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57 #endif |
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58 |