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comparison tests/agcl/examples/good/ffcalc.c @ 0:13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
author | David A. Holland |
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date | Sat, 22 Dec 2007 17:52:45 -0500 |
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1 /* FOUR FUNCTION CALCULATOR: FFCALC.SYN */ | |
2 /* | |
3 * AnaGram, A System for Syntax Directed Programming | |
4 * File generated by: ... | |
5 * | |
6 * AnaGram Parsing Engine | |
7 * Copyright 1993-2002 Parsifal Software. All Rights Reserved. | |
8 * | |
9 * This software is provided 'as-is', without any express or implied | |
10 * warranty. In no event will the authors be held liable for any damages | |
11 * arising from the use of this software. | |
12 * | |
13 * Permission is granted to anyone to use this software for any purpose, | |
14 * including commercial applications, and to alter it and redistribute it | |
15 * freely, subject to the following restrictions: | |
16 * | |
17 * 1. The origin of this software must not be misrepresented; you must not | |
18 * claim that you wrote the original software. If you use this software | |
19 * in a product, an acknowledgment in the product documentation would be | |
20 * appreciated but is not required. | |
21 * 2. Altered source versions must be plainly marked as such, and must not be | |
22 * misrepresented as being the original software. | |
23 * 3. This notice may not be removed or altered from any source distribution. | |
24 */ | |
25 | |
26 #ifndef FFCALC_H | |
27 #include "ffcalc.h" | |
28 #endif | |
29 | |
30 #ifndef FFCALC_H | |
31 #error Mismatched header file | |
32 #endif | |
33 | |
34 #include <ctype.h> | |
35 #include <stdio.h> | |
36 | |
37 #define RULE_CONTEXT (&((PCB).cs[(PCB).ssx])) | |
38 #define ERROR_CONTEXT ((PCB).cs[(PCB).error_frame_ssx]) | |
39 #define CONTEXT ((PCB).cs[(PCB).ssx]) | |
40 | |
41 | |
42 | |
43 ffcalc_pcb_type ffcalc_pcb; | |
44 #define PCB ffcalc_pcb | |
45 | |
46 /* Line -, ffcalc.syn */ | |
47 /* -- EMBEDDED C ---------------------------------- */ | |
48 double value[64]; /* registers */ | |
49 int main(void) { | |
50 ffcalc(); | |
51 return 0; | |
52 } | |
53 | |
54 #ifndef CONVERT_CASE | |
55 #define CONVERT_CASE(c) (c) | |
56 #endif | |
57 #ifndef TAB_SPACING | |
58 #define TAB_SPACING 8 | |
59 #endif | |
60 | |
61 #define ag_rp_1(x) (printf("%g\n",x)) | |
62 | |
63 static void ag_rp_2(int n, double x) { | |
64 /* Line -, ffcalc.syn */ | |
65 printf("%c = %g\n",n+'A',value[n]=x); | |
66 } | |
67 | |
68 #define ag_rp_3(x, t) (x+t) | |
69 | |
70 #define ag_rp_4(x, t) (x-t) | |
71 | |
72 #define ag_rp_5(t, f) (t*f) | |
73 | |
74 #define ag_rp_6(t, f) (t/f) | |
75 | |
76 #define ag_rp_7(n) (value[n]) | |
77 | |
78 #define ag_rp_8(x) (x) | |
79 | |
80 #define ag_rp_9(f) (-f) | |
81 | |
82 #define ag_rp_10(c) (c-'A') | |
83 | |
84 #define ag_rp_11(i, f) (i+f) | |
85 | |
86 #define ag_rp_12(f) (f) | |
87 | |
88 #define ag_rp_13(d) (d-'0') | |
89 | |
90 #define ag_rp_14(x, d) (10*x + d-'0') | |
91 | |
92 #define ag_rp_15(d) ((d-'0')/10.) | |
93 | |
94 #define ag_rp_16(d, f) ((d-'0' + f)/10.) | |
95 | |
96 | |
97 #define READ_COUNTS | |
98 #define WRITE_COUNTS | |
99 #undef V | |
100 #define V(i,t) (*t (&(PCB).vs[(PCB).ssx + i])) | |
101 #undef VS | |
102 #define VS(i) (PCB).vs[(PCB).ssx + i] | |
103 | |
104 #ifndef GET_CONTEXT | |
105 #define GET_CONTEXT CONTEXT = (PCB).input_context | |
106 #endif | |
107 | |
108 typedef enum { | |
109 ag_action_1, | |
110 ag_action_2, | |
111 ag_action_3, | |
112 ag_action_4, | |
113 ag_action_5, | |
114 ag_action_6, | |
115 ag_action_7, | |
116 ag_action_8, | |
117 ag_action_9, | |
118 ag_action_10, | |
119 ag_action_11, | |
120 ag_action_12 | |
121 } ag_parser_action; | |
122 | |
123 | |
124 #ifndef NULL_VALUE_INITIALIZER | |
125 #define NULL_VALUE_INITIALIZER = { 0 } | |
126 #endif | |
127 | |
128 static ffcalc_vs_type const ag_null_value NULL_VALUE_INITIALIZER; | |
129 | |
130 static const unsigned char ag_rpx[] = { | |
131 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 0, 0, 3, 4, 0, 5, 6, | |
132 7, 0, 8, 9, 0, 0, 0, 0, 0, 0, 10, 11, 0, 0, 0, 12, 13, 14, | |
133 15, 16 | |
134 }; | |
135 | |
136 static const unsigned char ag_key_itt[] = { | |
137 0 | |
138 }; | |
139 | |
140 static const unsigned short ag_key_pt[] = { | |
141 0 | |
142 }; | |
143 | |
144 static const unsigned char ag_key_ch[] = { | |
145 0, 47,255, 42,255 | |
146 }; | |
147 | |
148 static const unsigned char ag_key_act[] = { | |
149 0,3,4,3,4 | |
150 }; | |
151 | |
152 static const unsigned char ag_key_parm[] = { | |
153 0, 24, 0, 28, 0 | |
154 }; | |
155 | |
156 static const unsigned char ag_key_jmp[] = { | |
157 0, 0, 0, 2, 0 | |
158 }; | |
159 | |
160 static const unsigned char ag_key_index[] = { | |
161 1, 3, 1, 0, 3, 3, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, | |
162 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, | |
163 0 | |
164 }; | |
165 | |
166 static const unsigned char ag_key_ends[] = { | |
167 42,0, 47,0, | |
168 }; | |
169 #define AG_TCV(x) (((int)(x) >= -1 && (int)(x) <= 255) ? ag_tcv[(x) + 1] : 0) | |
170 | |
171 static const unsigned char ag_tcv[] = { | |
172 10, 35, 35, 35, 35, 35, 35, 35, 35, 35, 23, 38, 23, 23, 23, 35, 35, 35, | |
173 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 23, 35, 35, | |
174 35, 35, 35, 35, 35, 46, 45, 42, 40, 35, 41, 31, 43, 34, 34, 34, 34, 34, | |
175 34, 34, 34, 34, 34, 35, 35, 35, 39, 35, 35, 35, 47, 47, 47, 47, 47, 47, | |
176 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, | |
177 47, 47, 35, 35, 35, 35, 35, 35, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, | |
178 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 47, 35, 35, | |
179 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, | |
180 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, | |
181 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, | |
182 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, | |
183 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, | |
184 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, | |
185 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, | |
186 35, 35, 35, 35, 35 | |
187 }; | |
188 | |
189 #ifndef SYNTAX_ERROR | |
190 #define SYNTAX_ERROR fprintf(stderr,"%s, line %d, column %d\n", \ | |
191 (PCB).error_message, (PCB).line, (PCB).column) | |
192 #endif | |
193 | |
194 #ifndef FIRST_LINE | |
195 #define FIRST_LINE 1 | |
196 #endif | |
197 | |
198 #ifndef FIRST_COLUMN | |
199 #define FIRST_COLUMN 1 | |
200 #endif | |
201 | |
202 #ifndef PARSER_STACK_OVERFLOW | |
203 #define PARSER_STACK_OVERFLOW {fprintf(stderr, \ | |
204 "\nParser stack overflow, line %d, column %d\n",\ | |
205 (PCB).line, (PCB).column);} | |
206 #endif | |
207 | |
208 #ifndef REDUCTION_TOKEN_ERROR | |
209 #define REDUCTION_TOKEN_ERROR {fprintf(stderr, \ | |
210 "\nReduction token error, line %d, column %d\n", \ | |
211 (PCB).line, (PCB).column);} | |
212 #endif | |
213 | |
214 | |
215 typedef enum | |
216 {ag_accept_key, ag_set_key, ag_jmp_key, ag_end_key, ag_no_match_key, | |
217 ag_cf_accept_key, ag_cf_set_key, ag_cf_end_key} key_words; | |
218 | |
219 #ifndef GET_INPUT | |
220 #define GET_INPUT ((PCB).input_code = getchar()) | |
221 #endif | |
222 | |
223 | |
224 static int ag_look_ahead(void) { | |
225 if ((PCB).rx < (PCB).fx) { | |
226 return CONVERT_CASE((PCB).lab[(PCB).rx++]); | |
227 } | |
228 GET_INPUT; | |
229 (PCB).fx++; | |
230 return CONVERT_CASE((PCB).lab[(PCB).rx++] = (PCB).input_code); | |
231 } | |
232 | |
233 static void ag_get_key_word(int ag_k) { | |
234 int save_index = (PCB).rx; | |
235 const unsigned char *sp; | |
236 int ag_ch; | |
237 while (1) { | |
238 switch (ag_key_act[ag_k]) { | |
239 case ag_cf_end_key: | |
240 sp = ag_key_ends + ag_key_jmp[ag_k]; | |
241 do { | |
242 if ((ag_ch = *sp++) == 0) { | |
243 int ag_k1 = ag_key_parm[ag_k]; | |
244 int ag_k2 = ag_key_pt[ag_k1]; | |
245 if (ag_key_itt[ag_k2 + ag_look_ahead()]) goto ag_fail; | |
246 (PCB).rx--; | |
247 (PCB).token_number = (ffcalc_token_type) ag_key_pt[ag_k1 + 1]; | |
248 return; | |
249 } | |
250 } while (ag_look_ahead() == ag_ch); | |
251 goto ag_fail; | |
252 case ag_end_key: | |
253 sp = ag_key_ends + ag_key_jmp[ag_k]; | |
254 do { | |
255 if ((ag_ch = *sp++) == 0) { | |
256 (PCB).token_number = (ffcalc_token_type) ag_key_parm[ag_k]; | |
257 return; | |
258 } | |
259 } while (ag_look_ahead() == ag_ch); | |
260 case ag_no_match_key: | |
261 ag_fail: | |
262 (PCB).rx = save_index; | |
263 return; | |
264 case ag_cf_set_key: { | |
265 int ag_k1 = ag_key_parm[ag_k]; | |
266 int ag_k2 = ag_key_pt[ag_k1]; | |
267 ag_k = ag_key_jmp[ag_k]; | |
268 if (ag_key_itt[ag_k2 + (ag_ch = ag_look_ahead())]) break; | |
269 save_index = --(PCB).rx; | |
270 (PCB).token_number = (ffcalc_token_type) ag_key_pt[ag_k1+1]; | |
271 break; | |
272 } | |
273 case ag_set_key: | |
274 save_index = (PCB).rx; | |
275 (PCB).token_number = (ffcalc_token_type) ag_key_parm[ag_k]; | |
276 case ag_jmp_key: | |
277 ag_k = ag_key_jmp[ag_k]; | |
278 ag_ch = ag_look_ahead(); | |
279 break; | |
280 case ag_accept_key: | |
281 (PCB).token_number = (ffcalc_token_type) ag_key_parm[ag_k]; | |
282 return; | |
283 case ag_cf_accept_key: { | |
284 int ag_k1 = ag_key_parm[ag_k]; | |
285 int ag_k2 = ag_key_pt[ag_k1]; | |
286 if (ag_key_itt[ag_k2 + ag_look_ahead()]) (PCB).rx = save_index; | |
287 else { | |
288 (PCB).rx--; | |
289 (PCB).token_number = (ffcalc_token_type) ag_key_pt[ag_k1+1]; | |
290 } | |
291 return; | |
292 } | |
293 default: | |
294 /* not reachable; here to suppress compiler warnings */ | |
295 goto ag_fail; | |
296 } | |
297 if (ag_ch <= 255) while (ag_key_ch[ag_k] < ag_ch) ag_k++; | |
298 if (ag_ch > 255 || ag_key_ch[ag_k] != ag_ch) { | |
299 (PCB).rx = save_index; | |
300 return; | |
301 } | |
302 } | |
303 } | |
304 | |
305 | |
306 #ifndef AG_NEWLINE | |
307 #define AG_NEWLINE 10 | |
308 #endif | |
309 | |
310 #ifndef AG_RETURN | |
311 #define AG_RETURN 13 | |
312 #endif | |
313 | |
314 #ifndef AG_FORMFEED | |
315 #define AG_FORMFEED 12 | |
316 #endif | |
317 | |
318 #ifndef AG_TABCHAR | |
319 #define AG_TABCHAR 9 | |
320 #endif | |
321 | |
322 static void ag_track(void) { | |
323 int ag_k = 0; | |
324 while (ag_k < (PCB).rx) { | |
325 int ag_ch = (PCB).lab[ag_k++]; | |
326 switch (ag_ch) { | |
327 case AG_NEWLINE: | |
328 (PCB).column = 1, (PCB).line++; | |
329 case AG_RETURN: | |
330 case AG_FORMFEED: | |
331 break; | |
332 case AG_TABCHAR: | |
333 (PCB).column += (TAB_SPACING) - ((PCB).column - 1) % (TAB_SPACING); | |
334 break; | |
335 default: | |
336 (PCB).column++; | |
337 } | |
338 } | |
339 ag_k = 0; | |
340 while ((PCB).rx < (PCB).fx) (PCB).lab[ag_k++] = (PCB).lab[(PCB).rx++]; | |
341 (PCB).fx = ag_k; | |
342 (PCB).rx = 0; | |
343 } | |
344 | |
345 | |
346 static void ag_prot(void) { | |
347 int ag_k; | |
348 ag_k = 128 - ++(PCB).btsx; | |
349 if (ag_k <= (PCB).ssx) { | |
350 (PCB).exit_flag = AG_STACK_ERROR_CODE; | |
351 PARSER_STACK_OVERFLOW; | |
352 return; | |
353 } | |
354 (PCB).bts[(PCB).btsx] = (PCB).sn; | |
355 (PCB).bts[ag_k] = (PCB).ssx; | |
356 (PCB).vs[ag_k] = (PCB).vs[(PCB).ssx]; | |
357 (PCB).ss[ag_k] = (PCB).ss[(PCB).ssx]; | |
358 } | |
359 | |
360 static void ag_undo(void) { | |
361 if ((PCB).drt == -1) return; | |
362 while ((PCB).btsx) { | |
363 int ag_k = 128 - (PCB).btsx; | |
364 (PCB).sn = (PCB).bts[(PCB).btsx--]; | |
365 (PCB).ssx = (PCB).bts[ag_k]; | |
366 (PCB).vs[(PCB).ssx] = (PCB).vs[ag_k]; | |
367 (PCB).ss[(PCB).ssx] = (PCB).ss[ag_k]; | |
368 } | |
369 (PCB).token_number = (ffcalc_token_type) (PCB).drt; | |
370 (PCB).ssx = (PCB).dssx; | |
371 (PCB).sn = (PCB).dsn; | |
372 (PCB).drt = -1; | |
373 } | |
374 | |
375 | |
376 static const unsigned char ag_tstt[] = { | |
377 47,46,41,38,34,31,24,23,10,0,1,36,37, | |
378 47,46,45,43,42,41,40,39,38,35,34,31,28,23,0,26,27, | |
379 24,23,0,1, | |
380 47,46,41,38,34,31,14,10,0,2,3,4,5,7,8,9,11,12,15,17,18,21,29,30,44, | |
381 47,46,45,43,42,41,40,39,38,35,34,31,23,0, | |
382 28,0, | |
383 34,0,32, | |
384 45,43,42,41,40,38,34,31,24,23,0,33, | |
385 47,46,41,34,31,24,23,0,1,36,37, | |
386 47,46,41,34,31,24,23,0,1,36,37, | |
387 45,43,42,41,40,38,24,23,0,1,36,37, | |
388 47,46,41,34,31,0,2,12,17,18,21,29,30,44, | |
389 47,46,41,34,31,0,2,11,12,15,17,18,21,29,30,44, | |
390 45,43,42,41,40,39,38,24,23,0,1,36,37, | |
391 43,42,0,19,20, | |
392 43,42,41,40,39,38,0,13, | |
393 41,40,38,0,16,17, | |
394 38,0,6, | |
395 47,46,41,38,34,31,14,10,0,2,4,5,7,11,12,15,17,18,21,29,30,44, | |
396 10,0, | |
397 45,43,42,41,40,38,34,24,23,0,32, | |
398 34,0,32, | |
399 45,41,40,0,16,17,22, | |
400 47,46,41,34,31,24,23,0,1,36,37, | |
401 47,46,41,34,31,0,2,12,17,18,21,29,30,44, | |
402 47,46,41,34,31,24,23,0,1,36,37, | |
403 47,46,41,34,31,0,2,12,17,18,21,29,30,44, | |
404 47,46,41,34,31,24,23,0,1,36,37, | |
405 47,46,41,34,31,0,2,11,12,15,17,18,21,29,30,44, | |
406 47,46,41,34,31,0,2,12,15,17,18,21,29,30,44, | |
407 47,46,41,34,31,24,23,0,1,36,37, | |
408 47,46,41,34,31,0,2,12,15,17,18,21,29,30,44, | |
409 47,46,41,38,34,31,24,23,10,0,1,36,37, | |
410 45,43,42,41,40,38,24,23,0,1,36,37, | |
411 41,40,38,0,16,17, | |
412 45,43,42,41,40,38,0,19,20, | |
413 45,43,42,41,40,38,0,19,20, | |
414 | |
415 }; | |
416 | |
417 | |
418 static unsigned const char ag_astt[401] = { | |
419 8,8,8,8,8,8,1,1,8,7,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,8,1,7,1,1,1,9,5,3,1,1,1, | |
420 8,2,1,1,8,7,1,0,1,1,1,1,1,1,1,1,1,1,1,2,1,1,9,9,9,9,9,9,9,9,9,9,9,9,9,5,3, | |
421 7,1,7,2,5,5,5,5,5,5,10,1,5,5,7,3,5,5,5,5,5,1,1,7,1,1,3,5,5,5,5,5,1,1,7,1,1, | |
422 3,5,5,5,5,5,5,1,1,7,1,1,3,1,1,1,2,1,7,2,2,1,2,1,2,1,1,1,1,1,2,1,7,1,1,2,1, | |
423 1,1,1,2,1,1,5,5,5,5,5,5,5,1,1,7,1,1,3,1,1,5,1,1,4,4,4,4,1,4,7,1,1,1,4,7,1, | |
424 1,1,7,3,1,1,1,8,2,1,1,5,7,1,1,1,3,1,1,1,1,1,1,2,1,1,3,7,4,4,4,4,4,4,1,4,4, | |
425 7,2,1,5,2,1,1,1,7,1,1,2,5,5,5,5,5,1,1,7,1,1,3,1,1,1,2,1,7,2,2,1,2,1,2,1,1, | |
426 5,5,5,5,5,1,1,7,1,1,3,1,1,1,2,1,7,2,2,1,2,1,2,1,1,5,5,5,5,5,1,1,7,1,1,3,1, | |
427 1,1,2,1,7,1,1,2,1,1,1,1,2,1,1,1,1,1,2,1,7,1,2,1,1,1,1,2,1,1,5,5,5,5,5,1,1, | |
428 7,1,1,3,1,1,1,2,1,7,1,2,1,1,1,1,2,1,1,5,5,5,5,5,5,1,1,5,7,1,1,3,5,5,5,5,5, | |
429 5,1,1,7,1,1,3,1,1,4,7,1,1,4,1,1,4,4,4,7,1,1,4,1,1,4,4,4,7,1,1 | |
430 }; | |
431 | |
432 | |
433 static const unsigned char ag_pstt[] = { | |
434 3,3,3,3,3,3,1,2,3,0,2,2,3, | |
435 4,4,4,4,4,4,4,4,4,4,4,4,5,4,1,4,5, | |
436 1,52,54,52, | |
437 13,9,8,17,34,6,17,19,3,14,0,17,17,18,18,19,16,15,14,11,14,12,28,7,10, | |
438 24,24,24,24,24,24,24,24,24,24,24,24,24,26, | |
439 27,5, | |
440 20,6,33, | |
441 30,30,30,30,30,30,35,21,30,30,7,32, | |
442 53,53,53,53,53,1,2,8,2,2,58, | |
443 53,53,53,53,53,1,2,9,2,2,63, | |
444 53,53,53,53,53,53,1,2,10,2,2,61, | |
445 13,9,8,34,6,11,21,18,11,21,12,28,7,10, | |
446 13,9,8,34,6,12,14,22,18,14,11,14,12,28,7,10, | |
447 53,53,53,53,53,53,53,1,2,13,2,2,64, | |
448 23,25,12,26,24, | |
449 18,18,18,18,27,18,15,28, | |
450 8,30,9,16,31,29, | |
451 32,17,3, | |
452 13,9,8,17,34,6,17,7,18,14,17,17,5,16,15,14,11,14,12,28,7,10, | |
453 8,19, | |
454 36,36,36,36,36,36,20,36,36,20,37, | |
455 20,31,29, | |
456 33,8,30,22,31,29,20, | |
457 53,53,53,53,53,1,2,23,2,2,60, | |
458 13,9,8,34,6,24,17,18,11,17,12,28,7,10, | |
459 53,53,53,53,53,1,2,25,2,2,59, | |
460 13,9,8,34,6,26,16,18,11,16,12,28,7,10, | |
461 53,53,53,53,53,1,2,27,2,2,56, | |
462 13,9,8,34,6,28,14,34,18,14,11,14,12,28,7,10, | |
463 13,9,8,34,6,29,35,18,35,11,35,12,28,7,10, | |
464 53,53,53,53,53,1,2,30,2,2,57, | |
465 13,9,8,34,6,31,36,18,36,11,36,12,28,7,10, | |
466 53,53,53,53,53,53,1,2,53,32,2,2,55, | |
467 53,53,53,53,53,53,1,2,33,2,2,62, | |
468 8,30,10,34,31,29, | |
469 14,23,25,14,14,14,35,26,24, | |
470 13,23,25,13,13,13,36,26,24, | |
471 | |
472 }; | |
473 | |
474 | |
475 static const unsigned short ag_sbt[] = { | |
476 0, 13, 30, 34, 59, 73, 75, 78, 90, 101, 112, 124, 138, 154, | |
477 167, 172, 180, 186, 189, 211, 213, 224, 227, 234, 245, 259, 270, 284, | |
478 295, 311, 326, 337, 352, 365, 377, 383, 392, 401 | |
479 }; | |
480 | |
481 | |
482 static const unsigned short ag_sbe[] = { | |
483 9, 27, 32, 42, 72, 74, 76, 88, 97, 108, 120, 129, 143, 163, | |
484 169, 178, 183, 187, 197, 212, 222, 225, 230, 241, 250, 266, 275, 291, | |
485 300, 316, 333, 342, 361, 373, 380, 389, 398, 401 | |
486 }; | |
487 | |
488 | |
489 static const unsigned char ag_fl[] = { | |
490 2,0,1,2,1,2,0,1,2,1,3,1,1,3,3,1,3,3,1,1,3,2,1,1,2,0,1,3,1,3,0,1,2,2,1, | |
491 2,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,0,1,2,2,2,2,2,2,2,2,2,2 | |
492 }; | |
493 | |
494 static const unsigned char ag_ptt[] = { | |
495 0, 5, 5, 7, 8, 8, 9, 9, 3, 4, 4, 4, 11, 11, 11, 15, 15, 15, | |
496 18, 18, 18, 18, 1, 26, 26, 27, 27, 1, 12, 44, 33, 33, 44, 44, 30, 30, | |
497 32, 32, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 36, 36, 37, | |
498 37, 6, 13, 16, 17, 19, 20, 2, 22, 21, 29 | |
499 }; | |
500 | |
501 | |
502 static void ag_ra(void) | |
503 { | |
504 switch(ag_rpx[(PCB).ag_ap]) { | |
505 case 1: ag_rp_1(V(0,(double *))); break; | |
506 case 2: ag_rp_2(V(0,(int *)), V(2,(double *))); break; | |
507 case 3: V(0,(double *)) = ag_rp_3(V(0,(double *)), V(2,(double *))); break; | |
508 case 4: V(0,(double *)) = ag_rp_4(V(0,(double *)), V(2,(double *))); break; | |
509 case 5: V(0,(double *)) = ag_rp_5(V(0,(double *)), V(2,(double *))); break; | |
510 case 6: V(0,(double *)) = ag_rp_6(V(0,(double *)), V(2,(double *))); break; | |
511 case 7: V(0,(double *)) = ag_rp_7(V(0,(int *))); break; | |
512 case 8: V(0,(double *)) = ag_rp_8(V(1,(double *))); break; | |
513 case 9: V(0,(double *)) = ag_rp_9(V(1,(double *))); break; | |
514 case 10: V(0,(int *)) = ag_rp_10(V(0,(int *))); break; | |
515 case 11: V(0,(double *)) = ag_rp_11(V(0,(double *)), V(2,(double *))); break; | |
516 case 12: V(0,(double *)) = ag_rp_12(V(1,(double *))); break; | |
517 case 13: V(0,(double *)) = ag_rp_13(V(0,(int *))); break; | |
518 case 14: V(0,(double *)) = ag_rp_14(V(0,(double *)), V(1,(int *))); break; | |
519 case 15: V(0,(double *)) = ag_rp_15(V(0,(int *))); break; | |
520 case 16: V(0,(double *)) = ag_rp_16(V(0,(int *)), V(1,(double *))); break; | |
521 } | |
522 } | |
523 | |
524 #define TOKEN_NAMES ffcalc_token_names | |
525 const char *const ffcalc_token_names[48] = { | |
526 "calculator", | |
527 "white space", | |
528 "real", | |
529 "calculator", | |
530 "calculation", | |
531 "", | |
532 "'\\n'", | |
533 "", | |
534 "", | |
535 "", | |
536 "eof", | |
537 "expression", | |
538 "name", | |
539 "'='", | |
540 "error", | |
541 "term", | |
542 "'+'", | |
543 "'-'", | |
544 "factor", | |
545 "'*'", | |
546 "'/'", | |
547 "'('", | |
548 "')'", | |
549 "", | |
550 "\"/*\"", | |
551 "", | |
552 "", | |
553 "", | |
554 "\"*/\"", | |
555 "", | |
556 "integer part", | |
557 "'.'", | |
558 "fraction part", | |
559 "", | |
560 "digit", | |
561 "", | |
562 "", | |
563 "", | |
564 "'\\n'", | |
565 "'='", | |
566 "'+'", | |
567 "'-'", | |
568 "'*'", | |
569 "'/'", | |
570 "real", | |
571 "')'", | |
572 "'('", | |
573 "", | |
574 | |
575 }; | |
576 | |
577 #ifndef MISSING_FORMAT | |
578 #define MISSING_FORMAT "Missing %s" | |
579 #endif | |
580 #ifndef UNEXPECTED_FORMAT | |
581 #define UNEXPECTED_FORMAT "Unexpected %s" | |
582 #endif | |
583 #ifndef UNNAMED_TOKEN | |
584 #define UNNAMED_TOKEN "input" | |
585 #endif | |
586 | |
587 | |
588 static void ag_diagnose(void) { | |
589 int ag_snd = (PCB).sn; | |
590 int ag_k = ag_sbt[ag_snd]; | |
591 | |
592 if (*TOKEN_NAMES[ag_tstt[ag_k]] && ag_astt[ag_k + 1] == ag_action_8) { | |
593 sprintf((PCB).ag_msg, MISSING_FORMAT, TOKEN_NAMES[ag_tstt[ag_k]]); | |
594 } | |
595 else if (ag_astt[ag_sbe[(PCB).sn]] == ag_action_8 | |
596 && (ag_k = (int) ag_sbe[(PCB).sn] + 1) == (int) ag_sbt[(PCB).sn+1] - 1 | |
597 && *TOKEN_NAMES[ag_tstt[ag_k]]) { | |
598 sprintf((PCB).ag_msg, MISSING_FORMAT, TOKEN_NAMES[ag_tstt[ag_k]]); | |
599 } | |
600 else if ((PCB).token_number && *TOKEN_NAMES[(PCB).token_number]) { | |
601 sprintf((PCB).ag_msg, UNEXPECTED_FORMAT, TOKEN_NAMES[(PCB).token_number]); | |
602 } | |
603 else if (isprint((*(PCB).lab)) && (*(PCB).lab) != '\\') { | |
604 char buf[20]; | |
605 sprintf(buf, "\'%c\'", (char) (*(PCB).lab)); | |
606 sprintf((PCB).ag_msg, UNEXPECTED_FORMAT, buf); | |
607 } | |
608 else sprintf((PCB).ag_msg, UNEXPECTED_FORMAT, UNNAMED_TOKEN); | |
609 (PCB).error_message = (PCB).ag_msg; | |
610 | |
611 | |
612 } | |
613 static int ag_action_1_r_proc(void); | |
614 static int ag_action_2_r_proc(void); | |
615 static int ag_action_3_r_proc(void); | |
616 static int ag_action_4_r_proc(void); | |
617 static int ag_action_1_s_proc(void); | |
618 static int ag_action_3_s_proc(void); | |
619 static int ag_action_1_proc(void); | |
620 static int ag_action_2_proc(void); | |
621 static int ag_action_3_proc(void); | |
622 static int ag_action_4_proc(void); | |
623 static int ag_action_5_proc(void); | |
624 static int ag_action_6_proc(void); | |
625 static int ag_action_7_proc(void); | |
626 static int ag_action_8_proc(void); | |
627 static int ag_action_9_proc(void); | |
628 static int ag_action_10_proc(void); | |
629 static int ag_action_11_proc(void); | |
630 static int ag_action_8_proc(void); | |
631 | |
632 | |
633 static int (*const ag_r_procs_scan[])(void) = { | |
634 ag_action_1_r_proc, | |
635 ag_action_2_r_proc, | |
636 ag_action_3_r_proc, | |
637 ag_action_4_r_proc | |
638 }; | |
639 | |
640 static int (*const ag_s_procs_scan[])(void) = { | |
641 ag_action_1_s_proc, | |
642 ag_action_2_r_proc, | |
643 ag_action_3_s_proc, | |
644 ag_action_4_r_proc | |
645 }; | |
646 | |
647 static int (*const ag_gt_procs_scan[])(void) = { | |
648 ag_action_1_proc, | |
649 ag_action_2_proc, | |
650 ag_action_3_proc, | |
651 ag_action_4_proc, | |
652 ag_action_5_proc, | |
653 ag_action_6_proc, | |
654 ag_action_7_proc, | |
655 ag_action_8_proc, | |
656 ag_action_9_proc, | |
657 ag_action_10_proc, | |
658 ag_action_11_proc, | |
659 ag_action_8_proc | |
660 }; | |
661 | |
662 | |
663 static int ag_action_1_er_proc(void); | |
664 static int ag_action_2_er_proc(void); | |
665 static int ag_action_3_er_proc(void); | |
666 static int ag_action_4_er_proc(void); | |
667 | |
668 static int (*const ag_er_procs_scan[])(void) = { | |
669 ag_action_1_er_proc, | |
670 ag_action_2_er_proc, | |
671 ag_action_3_er_proc, | |
672 ag_action_4_er_proc | |
673 }; | |
674 | |
675 | |
676 static void ag_error_resynch(void) { | |
677 int ag_k; | |
678 int ag_ssx = (PCB).ssx; | |
679 | |
680 ag_diagnose(); | |
681 SYNTAX_ERROR; | |
682 if ((PCB).exit_flag != AG_RUNNING_CODE) return; | |
683 while (1) { | |
684 ag_k = ag_sbt[(PCB).sn]; | |
685 while (ag_tstt[ag_k] != 14 && ag_tstt[ag_k]) ag_k++; | |
686 if (ag_tstt[ag_k] || (PCB).ssx == 0) break; | |
687 (PCB).sn = (PCB).ss[--(PCB).ssx]; | |
688 } | |
689 if (ag_tstt[ag_k] == 0) { | |
690 (PCB).sn = PCB.ss[(PCB).ssx = ag_ssx]; | |
691 (PCB).exit_flag = AG_SYNTAX_ERROR_CODE; | |
692 return; | |
693 } | |
694 ag_k = ag_sbt[(PCB).sn]; | |
695 while (ag_tstt[ag_k] != 14 && ag_tstt[ag_k]) ag_k++; | |
696 (PCB).ag_ap = ag_pstt[ag_k]; | |
697 (ag_er_procs_scan[ag_astt[ag_k]])(); | |
698 while (1) { | |
699 ag_k = ag_sbt[(PCB).sn]; | |
700 while (ag_tstt[ag_k] != (unsigned char) (PCB).token_number && ag_tstt[ag_k]) | |
701 ag_k++; | |
702 if (ag_tstt[ag_k] && ag_astt[ag_k] != ag_action_10) break; | |
703 if ((PCB).token_number == 10) | |
704 {(PCB).exit_flag = AG_SYNTAX_ERROR_CODE; return;} | |
705 {(PCB).rx = 1; ag_track();} | |
706 if ((PCB).rx < (PCB).fx) { | |
707 (PCB).input_code = (PCB).lab[(PCB).rx++]; | |
708 (PCB).token_number = (ffcalc_token_type) AG_TCV((PCB).input_code);} | |
709 else { | |
710 GET_INPUT; | |
711 (PCB).lab[(PCB).fx++] = (PCB).input_code; | |
712 (PCB).token_number = (ffcalc_token_type) AG_TCV((PCB).input_code); | |
713 (PCB).rx++; | |
714 } | |
715 if (ag_key_index[(PCB).sn]) { | |
716 unsigned ag_k = ag_key_index[(PCB).sn]; | |
717 int ag_ch = CONVERT_CASE((PCB).input_code); | |
718 if (ag_ch < 255) { | |
719 while (ag_key_ch[ag_k] < ag_ch) ag_k++; | |
720 if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k); | |
721 } | |
722 } | |
723 } | |
724 (PCB).rx = 0; | |
725 } | |
726 | |
727 | |
728 static int ag_action_10_proc(void) { | |
729 int ag_t = (PCB).token_number; | |
730 (PCB).btsx = 0, (PCB).drt = -1; | |
731 do { | |
732 ag_track(); | |
733 if ((PCB).rx < (PCB).fx) { | |
734 (PCB).input_code = (PCB).lab[(PCB).rx++]; | |
735 (PCB).token_number = (ffcalc_token_type) AG_TCV((PCB).input_code);} | |
736 else { | |
737 GET_INPUT; | |
738 (PCB).lab[(PCB).fx++] = (PCB).input_code; | |
739 (PCB).token_number = (ffcalc_token_type) AG_TCV((PCB).input_code); | |
740 (PCB).rx++; | |
741 } | |
742 if (ag_key_index[(PCB).sn]) { | |
743 unsigned ag_k = ag_key_index[(PCB).sn]; | |
744 int ag_ch = CONVERT_CASE((PCB).input_code); | |
745 if (ag_ch < 255) { | |
746 while (ag_key_ch[ag_k] < ag_ch) ag_k++; | |
747 if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k); | |
748 } | |
749 } | |
750 } while ((PCB).token_number == (ffcalc_token_type) ag_t); | |
751 (PCB).rx = 0; | |
752 return 1; | |
753 } | |
754 | |
755 static int ag_action_11_proc(void) { | |
756 int ag_t = (PCB).token_number; | |
757 | |
758 (PCB).btsx = 0, (PCB).drt = -1; | |
759 do { | |
760 (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).lab; | |
761 (PCB).ssx--; | |
762 ag_track(); | |
763 ag_ra(); | |
764 if ((PCB).exit_flag != AG_RUNNING_CODE) return 0; | |
765 (PCB).ssx++; | |
766 if ((PCB).rx < (PCB).fx) { | |
767 (PCB).input_code = (PCB).lab[(PCB).rx++]; | |
768 (PCB).token_number = (ffcalc_token_type) AG_TCV((PCB).input_code);} | |
769 else { | |
770 GET_INPUT; | |
771 (PCB).lab[(PCB).fx++] = (PCB).input_code; | |
772 (PCB).token_number = (ffcalc_token_type) AG_TCV((PCB).input_code); | |
773 (PCB).rx++; | |
774 } | |
775 if (ag_key_index[(PCB).sn]) { | |
776 unsigned ag_k = ag_key_index[(PCB).sn]; | |
777 int ag_ch = CONVERT_CASE((PCB).input_code); | |
778 if (ag_ch < 255) { | |
779 while (ag_key_ch[ag_k] < ag_ch) ag_k++; | |
780 if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k); | |
781 } | |
782 } | |
783 } | |
784 while ((PCB).token_number == (ffcalc_token_type) ag_t); | |
785 (PCB).rx = 0; | |
786 return 1; | |
787 } | |
788 | |
789 static int ag_action_3_r_proc(void) { | |
790 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
791 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
792 (PCB).btsx = 0, (PCB).drt = -1; | |
793 (PCB).reduction_token = (ffcalc_token_type) ag_ptt[(PCB).ag_ap]; | |
794 ag_ra(); | |
795 return (PCB).exit_flag == AG_RUNNING_CODE; | |
796 } | |
797 | |
798 static int ag_action_3_s_proc(void) { | |
799 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
800 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
801 (PCB).btsx = 0, (PCB).drt = -1; | |
802 (PCB).reduction_token = (ffcalc_token_type) ag_ptt[(PCB).ag_ap]; | |
803 ag_ra(); | |
804 return (PCB).exit_flag == AG_RUNNING_CODE; | |
805 } | |
806 | |
807 static int ag_action_4_r_proc(void) { | |
808 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
809 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
810 (PCB).reduction_token = (ffcalc_token_type) ag_ptt[(PCB).ag_ap]; | |
811 return 1; | |
812 } | |
813 | |
814 static int ag_action_2_proc(void) { | |
815 (PCB).btsx = 0, (PCB).drt = -1; | |
816 if ((PCB).ssx >= 128) { | |
817 (PCB).exit_flag = AG_STACK_ERROR_CODE; | |
818 PARSER_STACK_OVERFLOW; | |
819 } | |
820 (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).lab; | |
821 (PCB).ss[(PCB).ssx] = (PCB).sn; | |
822 (PCB).ssx++; | |
823 (PCB).sn = (PCB).ag_ap; | |
824 ag_track(); | |
825 return 0; | |
826 } | |
827 | |
828 static int ag_action_9_proc(void) { | |
829 if ((PCB).drt == -1) { | |
830 (PCB).drt=(PCB).token_number; | |
831 (PCB).dssx=(PCB).ssx; | |
832 (PCB).dsn=(PCB).sn; | |
833 } | |
834 ag_prot(); | |
835 (PCB).vs[(PCB).ssx] = ag_null_value; | |
836 (PCB).ss[(PCB).ssx] = (PCB).sn; | |
837 (PCB).ssx++; | |
838 (PCB).sn = (PCB).ag_ap; | |
839 (PCB).rx = 0; | |
840 return (PCB).exit_flag == AG_RUNNING_CODE; | |
841 } | |
842 | |
843 static int ag_action_2_r_proc(void) { | |
844 (PCB).ssx++; | |
845 (PCB).sn = (PCB).ag_ap; | |
846 return 0; | |
847 } | |
848 | |
849 static int ag_action_7_proc(void) { | |
850 --(PCB).ssx; | |
851 (PCB).rx = 0; | |
852 (PCB).exit_flag = AG_SUCCESS_CODE; | |
853 return 0; | |
854 } | |
855 | |
856 static int ag_action_1_proc(void) { | |
857 ag_track(); | |
858 (PCB).exit_flag = AG_SUCCESS_CODE; | |
859 return 0; | |
860 } | |
861 | |
862 static int ag_action_1_r_proc(void) { | |
863 (PCB).exit_flag = AG_SUCCESS_CODE; | |
864 return 0; | |
865 } | |
866 | |
867 static int ag_action_1_s_proc(void) { | |
868 (PCB).exit_flag = AG_SUCCESS_CODE; | |
869 return 0; | |
870 } | |
871 | |
872 static int ag_action_4_proc(void) { | |
873 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
874 (PCB).reduction_token = (ffcalc_token_type) ag_ptt[(PCB).ag_ap]; | |
875 (PCB).btsx = 0, (PCB).drt = -1; | |
876 (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).lab; | |
877 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
878 else (PCB).ss[(PCB).ssx] = (PCB).sn; | |
879 ag_track(); | |
880 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
881 unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; | |
882 unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; | |
883 do { | |
884 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
885 if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; | |
886 else ag_t2 = ag_tx; | |
887 } while (ag_t1 < ag_t2); | |
888 (PCB).ag_ap = ag_pstt[ag_t1]; | |
889 if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break; | |
890 } | |
891 return 0; | |
892 } | |
893 | |
894 static int ag_action_3_proc(void) { | |
895 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
896 (PCB).btsx = 0, (PCB).drt = -1; | |
897 (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).lab; | |
898 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
899 else (PCB).ss[(PCB).ssx] = (PCB).sn; | |
900 ag_track(); | |
901 (PCB).reduction_token = (ffcalc_token_type) ag_ptt[(PCB).ag_ap]; | |
902 ag_ra(); | |
903 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
904 unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; | |
905 unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; | |
906 do { | |
907 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
908 if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; | |
909 else ag_t2 = ag_tx; | |
910 } while (ag_t1 < ag_t2); | |
911 (PCB).ag_ap = ag_pstt[ag_t1]; | |
912 if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break; | |
913 } | |
914 return 0; | |
915 } | |
916 | |
917 static int ag_action_8_proc(void) { | |
918 int ag_k = ag_sbt[(PCB).sn]; | |
919 while (ag_tstt[ag_k] != 14 && ag_tstt[ag_k]) ag_k++; | |
920 if (ag_tstt[ag_k] == 0) ag_undo(); | |
921 (PCB).rx = 0; | |
922 ag_error_resynch(); | |
923 return (PCB).exit_flag == AG_RUNNING_CODE; | |
924 } | |
925 | |
926 static int ag_action_5_proc(void) { | |
927 int ag_sd = ag_fl[(PCB).ag_ap]; | |
928 (PCB).btsx = 0, (PCB).drt = -1; | |
929 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
930 else { | |
931 (PCB).ss[(PCB).ssx] = (PCB).sn; | |
932 } | |
933 (PCB).rx = 0; | |
934 (PCB).reduction_token = (ffcalc_token_type) ag_ptt[(PCB).ag_ap]; | |
935 ag_ra(); | |
936 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
937 unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; | |
938 unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; | |
939 do { | |
940 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
941 if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; | |
942 else ag_t2 = ag_tx; | |
943 } while (ag_t1 < ag_t2); | |
944 (PCB).ag_ap = ag_pstt[ag_t1]; | |
945 if ((ag_r_procs_scan[ag_astt[ag_t1]])() == 0) break; | |
946 } | |
947 return (PCB).exit_flag == AG_RUNNING_CODE; | |
948 } | |
949 | |
950 static int ag_action_6_proc(void) { | |
951 int ag_sd = ag_fl[(PCB).ag_ap]; | |
952 (PCB).reduction_token = (ffcalc_token_type) ag_ptt[(PCB).ag_ap]; | |
953 if ((PCB).drt == -1) { | |
954 (PCB).drt=(PCB).token_number; | |
955 (PCB).dssx=(PCB).ssx; | |
956 (PCB).dsn=(PCB).sn; | |
957 } | |
958 if (ag_sd) { | |
959 (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
960 } | |
961 else { | |
962 ag_prot(); | |
963 (PCB).vs[(PCB).ssx] = ag_null_value; | |
964 (PCB).ss[(PCB).ssx] = (PCB).sn; | |
965 } | |
966 (PCB).rx = 0; | |
967 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
968 unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; | |
969 unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; | |
970 do { | |
971 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
972 if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; | |
973 else ag_t2 = ag_tx; | |
974 } while (ag_t1 < ag_t2); | |
975 (PCB).ag_ap = ag_pstt[ag_t1]; | |
976 if ((ag_r_procs_scan[ag_astt[ag_t1]])() == 0) break; | |
977 } | |
978 return (PCB).exit_flag == AG_RUNNING_CODE; | |
979 } | |
980 | |
981 | |
982 static int ag_action_2_er_proc(void) { | |
983 (PCB).btsx = 0, (PCB).drt = -1; | |
984 (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).lab; | |
985 (PCB).ssx++; | |
986 (PCB).sn = (PCB).ag_ap; | |
987 return 0; | |
988 } | |
989 | |
990 static int ag_action_1_er_proc(void) { | |
991 (PCB).btsx = 0, (PCB).drt = -1; | |
992 (PCB).exit_flag = AG_SUCCESS_CODE; | |
993 return 0; | |
994 } | |
995 | |
996 static int ag_action_4_er_proc(void) { | |
997 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
998 (PCB).btsx = 0, (PCB).drt = -1; | |
999 (PCB).reduction_token = (ffcalc_token_type) ag_ptt[(PCB).ag_ap]; | |
1000 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
1001 else (PCB).ss[(PCB).ssx] = (PCB).sn; | |
1002 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
1003 unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; | |
1004 unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; | |
1005 do { | |
1006 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
1007 if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; | |
1008 else ag_t2 = ag_tx; | |
1009 } while (ag_t1 < ag_t2); | |
1010 (PCB).ag_ap = ag_pstt[ag_t1]; | |
1011 if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break; | |
1012 } | |
1013 return 0; | |
1014 } | |
1015 | |
1016 static int ag_action_3_er_proc(void) { | |
1017 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
1018 (PCB).btsx = 0, (PCB).drt = -1; | |
1019 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
1020 else (PCB).ss[(PCB).ssx] = (PCB).sn; | |
1021 (PCB).reduction_token = (ffcalc_token_type) ag_ptt[(PCB).ag_ap]; | |
1022 ag_ra(); | |
1023 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
1024 unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; | |
1025 unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; | |
1026 do { | |
1027 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
1028 if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; | |
1029 else ag_t2 = ag_tx; | |
1030 } while (ag_t1 < ag_t2); | |
1031 (PCB).ag_ap = ag_pstt[ag_t1]; | |
1032 if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break; | |
1033 } | |
1034 return 0; | |
1035 } | |
1036 | |
1037 | |
1038 void init_ffcalc(void) { | |
1039 (PCB).rx = (PCB).fx = 0; | |
1040 (PCB).ss[0] = (PCB).sn = (PCB).ssx = 0; | |
1041 (PCB).exit_flag = AG_RUNNING_CODE; | |
1042 (PCB).line = FIRST_LINE; | |
1043 (PCB).column = FIRST_COLUMN; | |
1044 (PCB).btsx = 0, (PCB).drt = -1; | |
1045 } | |
1046 | |
1047 void ffcalc(void) { | |
1048 init_ffcalc(); | |
1049 (PCB).exit_flag = AG_RUNNING_CODE; | |
1050 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
1051 unsigned ag_t1 = ag_sbt[(PCB).sn]; | |
1052 if (ag_tstt[ag_t1]) { | |
1053 unsigned ag_t2 = ag_sbe[(PCB).sn] - 1; | |
1054 if ((PCB).rx < (PCB).fx) { | |
1055 (PCB).input_code = (PCB).lab[(PCB).rx++]; | |
1056 (PCB).token_number = (ffcalc_token_type) AG_TCV((PCB).input_code);} | |
1057 else { | |
1058 GET_INPUT; | |
1059 (PCB).lab[(PCB).fx++] = (PCB).input_code; | |
1060 (PCB).token_number = (ffcalc_token_type) AG_TCV((PCB).input_code); | |
1061 (PCB).rx++; | |
1062 } | |
1063 if (ag_key_index[(PCB).sn]) { | |
1064 unsigned ag_k = ag_key_index[(PCB).sn]; | |
1065 int ag_ch = CONVERT_CASE((PCB).input_code); | |
1066 if (ag_ch < 255) { | |
1067 while (ag_key_ch[ag_k] < ag_ch) ag_k++; | |
1068 if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k); | |
1069 } | |
1070 } | |
1071 do { | |
1072 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
1073 if (ag_tstt[ag_tx] > (unsigned char)(PCB).token_number) | |
1074 ag_t1 = ag_tx + 1; | |
1075 else ag_t2 = ag_tx; | |
1076 } while (ag_t1 < ag_t2); | |
1077 if (ag_tstt[ag_t1] != (unsigned char)(PCB).token_number) | |
1078 ag_t1 = ag_sbe[(PCB).sn]; | |
1079 } | |
1080 (PCB).ag_ap = ag_pstt[ag_t1]; | |
1081 (ag_gt_procs_scan[ag_astt[ag_t1]])(); | |
1082 } | |
1083 } | |
1084 | |
1085 |