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annotate tests/agcl/oldagsrc/good/rcalcx.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 (2) allow AGFORCE=1 to make it rebuild whether or not it looks out of date.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
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1 #ifndef RCALCX_H
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2 #define RCALCX_H
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3
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4 typedef union {
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5 long alignment;
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6 char ag_vt_2[sizeof(int)];
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7 char ag_vt_3[sizeof(long)];
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8 } rcalcx_vs_type;
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9
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10 typedef enum {
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11 rcalcx_ws_token = 1, rcalcx_calculation_token = 3,
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12 rcalcx_expression_token, rcalcx_eof_token, rcalcx_term_token,
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13 rcalcx_factor_token = 9, rcalcx_thousands_token = 15,
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14 rcalcx_hundreds_token, rcalcx_m_token, rcalcx_hundreds_field_token,
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15 rcalcx_tens_token, rcalcx_c_token, rcalcx_d_token,
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16 rcalcx_count_hundreds_token, rcalcx_tens_field_token, rcalcx_units_token,
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17 rcalcx_x_token, rcalcx_l_token, rcalcx_count_tens_token, rcalcx_i_token,
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18 rcalcx_v_token, rcalcx_count_units_token, rcalcx_roman_numeral_token = 37
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19 } rcalcx_token_type;
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20
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21 typedef struct rcalcx_pcb_struct{
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22 rcalcx_token_type token_number, reduction_token, error_frame_token;
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23 int input_code;
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24 int input_value;
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25 int line, column;
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26 int ssx, sn, error_frame_ssx;
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27 int drt, dssx, dsn;
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28 int ss[128];
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29 rcalcx_vs_type vs[128];
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30 int ag_ap;
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31 const char *error_message;
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32 char read_flag;
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33 char exit_flag;
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34 int input_context;
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35 int cs[128];
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36 int bts[128], btsx;
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37 unsigned char * pointer;
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38 unsigned char * la_ptr;
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39 const unsigned char *key_sp;
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40 int save_index, key_state;
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41 char ag_msg[82];
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42 } rcalcx_pcb_type;
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43
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44 #ifndef PRULE_CONTEXT
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45 #define PRULE_CONTEXT(pcb) (&((pcb).cs[(pcb).ssx]))
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46 #define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
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47 #define PCONTEXT(pcb) ((pcb).cs[(pcb).ssx])
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48 #endif
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49
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50 #ifndef AG_RUNNING_CODE
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51 /* PCB.exit_flag values */
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52 #define AG_RUNNING_CODE 0
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53 #define AG_SUCCESS_CODE 1
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54 #define AG_SYNTAX_ERROR_CODE 2
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55 #define AG_REDUCTION_ERROR_CODE 3
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56 #define AG_STACK_ERROR_CODE 4
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57 #define AG_SEMANTIC_ERROR_CODE 5
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58 #endif
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59 void init_rcalcx(rcalcx_pcb_type *);
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60 void rcalcx(rcalcx_pcb_type *);
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61 #endif
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62