Mercurial > ~dholland > hg > ag > index.cgi
comparison tests/agcl/examples/good/rcalc.c @ 0:13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
author | David A. Holland |
---|---|
date | Sat, 22 Dec 2007 17:52:45 -0500 |
parents | |
children |
comparison
equal
deleted
inserted
replaced
-1:000000000000 | 0:13d2b8934445 |
---|---|
1 /* | |
2 * AnaGram, a System for Syntax Directed Parsing | |
3 * RCALC.SYN: A Roman Numeral Calculator Example | |
4 * | |
5 * Copyright MCMXCIII, MCMXCVI, Parsifal Software. All Rights Reserved. | |
6 * Copyright MMVII David A. Holland. All Rights Reserved. | |
7 * | |
8 * This software is provided 'as-is', without any express or implied | |
9 * warranty. In no event will the authors be held liable for any damages | |
10 * arising from the use of this software. | |
11 * | |
12 * Permission is granted to anyone to use this software for any purpose, | |
13 * including commercial applications, and to alter it and redistribute it | |
14 * freely, subject to the following restrictions: | |
15 * | |
16 * 1. The origin of this software must not be misrepresented; you must not | |
17 * claim that you wrote the original software. If you use this software | |
18 * in a product, an acknowledgment in the product documentation would be | |
19 * appreciated but is not required. | |
20 * 2. Altered source versions must be plainly marked as such, and must not be | |
21 * misrepresented as being the original software. | |
22 * 3. This notice may not be removed or altered from any source distribution. | |
23 */ | |
24 /* | |
25 * AnaGram, A System for Syntax Directed Programming | |
26 * File generated by: ... | |
27 * | |
28 * AnaGram Parsing Engine | |
29 * Copyright 1993-2002 Parsifal Software. All Rights Reserved. | |
30 * | |
31 * This software is provided 'as-is', without any express or implied | |
32 * warranty. In no event will the authors be held liable for any damages | |
33 * arising from the use of this software. | |
34 * | |
35 * Permission is granted to anyone to use this software for any purpose, | |
36 * including commercial applications, and to alter it and redistribute it | |
37 * freely, subject to the following restrictions: | |
38 * | |
39 * 1. The origin of this software must not be misrepresented; you must not | |
40 * claim that you wrote the original software. If you use this software | |
41 * in a product, an acknowledgment in the product documentation would be | |
42 * appreciated but is not required. | |
43 * 2. Altered source versions must be plainly marked as such, and must not be | |
44 * misrepresented as being the original software. | |
45 * 3. This notice may not be removed or altered from any source distribution. | |
46 */ | |
47 | |
48 #ifndef RCALC_H | |
49 #include "rcalc.h" | |
50 #endif | |
51 | |
52 #ifndef RCALC_H | |
53 #error Mismatched header file | |
54 #endif | |
55 | |
56 #include <ctype.h> | |
57 #include <stdio.h> | |
58 | |
59 #define RULE_CONTEXT (&((PCB).cs[(PCB).ssx])) | |
60 #define ERROR_CONTEXT ((PCB).cs[(PCB).error_frame_ssx]) | |
61 #define CONTEXT ((PCB).cs[(PCB).ssx]) | |
62 | |
63 | |
64 | |
65 rcalc_pcb_type rcalc_pcb; | |
66 #define PCB rcalc_pcb | |
67 | |
68 /* Line -, rcalc.syn */ | |
69 /* Embedded C */ | |
70 #include <stdio.h> | |
71 | |
72 | |
73 /* Macro Definitions */ | |
74 | |
75 #define GET_CONTEXT CONTEXT = PCB.column | |
76 #define SYNTAX_ERROR syntax_error() | |
77 | |
78 int semantic_error = 0; /* Divide by zero flag */ | |
79 | |
80 | |
81 /* | |
82 | |
83 syntax_error() positions a '^' character under the input line at the | |
84 point where the syntax error was discovered and then writes the error | |
85 message. | |
86 | |
87 */ | |
88 | |
89 void syntax_error(void) { | |
90 int k = PCB.column; | |
91 while (k-- > 0) putchar(' '); | |
92 printf("^? %s\n","ERRARE HUMANUM EST\n"); | |
93 } | |
94 | |
95 | |
96 /* | |
97 | |
98 divide_error() is called when an attempt is made to divide by zero. The | |
99 entire divisor is marked with '^' characters. "semantic_error" is set | |
100 in order to disable printing of a result. | |
101 | |
102 */ | |
103 | |
104 int divide_error(int cn) { | |
105 int k = PCB.column - cn; | |
106 while (cn--) putchar(' '); | |
107 while (k--) putchar('^'); | |
108 puts(" DIVISOR NIHIL EST"); | |
109 semantic_error = 1; | |
110 return 0; | |
111 } | |
112 | |
113 | |
114 /* | |
115 | |
116 print_roman() prints a signed integer in upper case Roman numerals. | |
117 | |
118 */ | |
119 | |
120 void print_roman(long k) { | |
121 if (semantic_error) { | |
122 semantic_error = 0; | |
123 return; | |
124 } | |
125 printf(" = "); | |
126 if (k == 0) {printf("NIHIL\n"); return;} | |
127 | |
128 if (k < 0) putchar('-'), k=-k; | |
129 | |
130 while (k >= 1000) putchar('M'), k-=1000; | |
131 | |
132 if (k >= 900) printf("CM"), k-=900; | |
133 if (k >= 500) putchar('D'), k-=500; | |
134 if (k >= 400) printf("CD"), k-=400; | |
135 | |
136 while (k >= 100) putchar('C'), k-=100; | |
137 | |
138 if (k >= 90) printf("XC"), k-=90; | |
139 if (k >= 50) putchar('L'), k-=50; | |
140 if (k >= 40) printf("XL"), k-=40; | |
141 | |
142 while (k >= 10) putchar('X'), k-=10; | |
143 | |
144 if (k >= 9) printf("IX"), k -= 9; | |
145 if (k >= 5) putchar('V'), k-=5; | |
146 if (k >= 4) printf("IV"), k-=4; | |
147 | |
148 while (k >= 1) putchar('I'), k--; | |
149 | |
150 putchar('\n'); | |
151 } | |
152 | |
153 | |
154 /* Main Program -- reads a line from stdin and calls parser */ | |
155 | |
156 int main(void) { | |
157 char line[1024]; | |
158 while (1) { | |
159 printf("#"); | |
160 fflush(stdout); | |
161 if (fgets(line, sizeof(line), stdin) == NULL) break; | |
162 rcalc_pcb.pointer = (unsigned char *) line; | |
163 rcalc(); | |
164 } | |
165 return 0; | |
166 } | |
167 | |
168 | |
169 #ifndef CONVERT_CASE | |
170 | |
171 static const char agCaseTable[31] = { | |
172 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, | |
173 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, | |
174 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0, | |
175 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 | |
176 }; | |
177 | |
178 static int agConvertCase(int c) { | |
179 if (c >= 'a' && c <= 'z') return c ^= 0x20; | |
180 if (c >= 0xe0 && c < 0xff) c ^= agCaseTable[c-0xe0]; | |
181 return c; | |
182 } | |
183 | |
184 #define CONVERT_CASE(c) agConvertCase(c) | |
185 | |
186 #endif | |
187 | |
188 | |
189 #ifndef TAB_SPACING | |
190 #define TAB_SPACING 8 | |
191 #endif | |
192 | |
193 static void ag_rp_1(long x) { | |
194 /* Line -, rcalc.syn */ | |
195 print_roman(x); | |
196 } | |
197 | |
198 static long ag_rp_2(long x, long y) { | |
199 /* Line -, rcalc.syn */ | |
200 return x+y; | |
201 } | |
202 | |
203 static long ag_rp_3(long x, long y) { | |
204 /* Line -, rcalc.syn */ | |
205 return x-y; | |
206 } | |
207 | |
208 static long ag_rp_4(long x, long y) { | |
209 /* Line -, rcalc.syn */ | |
210 return x*y; | |
211 } | |
212 | |
213 static long ag_rp_5(long x, long y) { | |
214 /* Line -, rcalc.syn */ | |
215 return y ? x/y : divide_error(RULE_CONTEXT[2]); | |
216 } | |
217 | |
218 static long ag_rp_6(void) { | |
219 /* Line -, rcalc.syn */ | |
220 return 0; | |
221 } | |
222 | |
223 static long ag_rp_7(long x) { | |
224 /* Line -, rcalc.syn */ | |
225 return x; | |
226 } | |
227 | |
228 static long ag_rp_8(long x) { | |
229 /* Line -, rcalc.syn */ | |
230 return -x; | |
231 } | |
232 | |
233 static long ag_rp_9(long x, long y) { | |
234 /* Line -, rcalc.syn */ | |
235 return x+y; | |
236 } | |
237 | |
238 static long ag_rp_10(void) { | |
239 /* Line -, rcalc.syn */ | |
240 return 1000; | |
241 } | |
242 | |
243 static long ag_rp_11(long x) { | |
244 /* Line -, rcalc.syn */ | |
245 return x+1000; | |
246 } | |
247 | |
248 static long ag_rp_12(long x, long y) { | |
249 /* Line -, rcalc.syn */ | |
250 return x+y; | |
251 } | |
252 | |
253 static long ag_rp_13(void) { | |
254 /* Line -, rcalc.syn */ | |
255 return 900; | |
256 } | |
257 | |
258 static long ag_rp_14(void) { | |
259 /* Line -, rcalc.syn */ | |
260 return 400; | |
261 } | |
262 | |
263 static long ag_rp_15(void) { | |
264 /* Line -, rcalc.syn */ | |
265 return 100; | |
266 } | |
267 | |
268 static long ag_rp_16(void) { | |
269 /* Line -, rcalc.syn */ | |
270 return 500; | |
271 } | |
272 | |
273 static long ag_rp_17(long x) { | |
274 /* Line -, rcalc.syn */ | |
275 return x+100; | |
276 } | |
277 | |
278 static long ag_rp_18(long x, long y) { | |
279 /* Line -, rcalc.syn */ | |
280 return x+y; | |
281 } | |
282 | |
283 static long ag_rp_19(void) { | |
284 /* Line -, rcalc.syn */ | |
285 return 990; | |
286 } | |
287 | |
288 static long ag_rp_20(void) { | |
289 /* Line -, rcalc.syn */ | |
290 return 490; | |
291 } | |
292 | |
293 static long ag_rp_21(void) { | |
294 /* Line -, rcalc.syn */ | |
295 return 90; | |
296 } | |
297 | |
298 static long ag_rp_22(void) { | |
299 /* Line -, rcalc.syn */ | |
300 return 40; | |
301 } | |
302 | |
303 static long ag_rp_23(void) { | |
304 /* Line -, rcalc.syn */ | |
305 return 10; | |
306 } | |
307 | |
308 static long ag_rp_24(void) { | |
309 /* Line -, rcalc.syn */ | |
310 return 50; | |
311 } | |
312 | |
313 static long ag_rp_25(long x) { | |
314 /* Line -, rcalc.syn */ | |
315 return x+10; | |
316 } | |
317 | |
318 static long ag_rp_26(void) { | |
319 /* Line -, rcalc.syn */ | |
320 return 999; | |
321 } | |
322 | |
323 static long ag_rp_27(void) { | |
324 /* Line -, rcalc.syn */ | |
325 return 499; | |
326 } | |
327 | |
328 static long ag_rp_28(void) { | |
329 /* Line -, rcalc.syn */ | |
330 return 99; | |
331 } | |
332 | |
333 static long ag_rp_29(void) { | |
334 /* Line -, rcalc.syn */ | |
335 return 49; | |
336 } | |
337 | |
338 static long ag_rp_30(void) { | |
339 /* Line -, rcalc.syn */ | |
340 return 9; | |
341 } | |
342 | |
343 static long ag_rp_31(void) { | |
344 /* Line -, rcalc.syn */ | |
345 return 4; | |
346 } | |
347 | |
348 static long ag_rp_32(void) { | |
349 /* Line -, rcalc.syn */ | |
350 return 1; | |
351 } | |
352 | |
353 static long ag_rp_33(void) { | |
354 /* Line -, rcalc.syn */ | |
355 return 5; | |
356 } | |
357 | |
358 static long ag_rp_34(long x) { | |
359 /* Line -, rcalc.syn */ | |
360 return x+1; | |
361 } | |
362 | |
363 | |
364 #define READ_COUNTS | |
365 #define WRITE_COUNTS | |
366 #undef V | |
367 #define V(i,t) (*t (&(PCB).vs[(PCB).ssx + i])) | |
368 #undef VS | |
369 #define VS(i) (PCB).vs[(PCB).ssx + i] | |
370 | |
371 #ifndef GET_CONTEXT | |
372 #define GET_CONTEXT CONTEXT = (PCB).input_context | |
373 #endif | |
374 | |
375 typedef enum { | |
376 ag_action_1, | |
377 ag_action_2, | |
378 ag_action_3, | |
379 ag_action_4, | |
380 ag_action_5, | |
381 ag_action_6, | |
382 ag_action_7, | |
383 ag_action_8, | |
384 ag_action_9, | |
385 ag_action_10, | |
386 ag_action_11, | |
387 ag_action_12 | |
388 } ag_parser_action; | |
389 | |
390 | |
391 #ifndef NULL_VALUE_INITIALIZER | |
392 #define NULL_VALUE_INITIALIZER = { 0 } | |
393 #endif | |
394 | |
395 static rcalc_vs_type const ag_null_value NULL_VALUE_INITIALIZER; | |
396 | |
397 static const unsigned char ag_rpx[] = { | |
398 0, 1, 0, 2, 3, 0, 4, 5, 0, 6, 7, 8, 0, 0, 9, 0, 10, 11, | |
399 0, 0, 12, 0, 13, 14, 0, 15, 16, 17, 0, 0, 18, 0, 19, 20, 21, 22, | |
400 0, 23, 24, 25, 26, 27, 28, 29, 30, 31, 0, 32, 33, 34 | |
401 }; | |
402 | |
403 static const unsigned char ag_key_itt[] = { | |
404 0 | |
405 }; | |
406 | |
407 static const unsigned short ag_key_pt[] = { | |
408 0 | |
409 }; | |
410 | |
411 static const unsigned char ag_key_ch[] = { | |
412 0, 78,255 | |
413 }; | |
414 | |
415 static const unsigned char ag_key_act[] = { | |
416 0,3,4 | |
417 }; | |
418 | |
419 static const unsigned char ag_key_parm[] = { | |
420 0, 41, 0 | |
421 }; | |
422 | |
423 static const unsigned char ag_key_jmp[] = { | |
424 0, 0, 0 | |
425 }; | |
426 | |
427 static const unsigned char ag_key_index[] = { | |
428 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, | |
429 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0 | |
430 }; | |
431 | |
432 static const unsigned char ag_key_ends[] = { | |
433 73,72,73,76,0, | |
434 }; | |
435 | |
436 #define AG_TCV(x) ag_tcv[(x)] | |
437 | |
438 static const unsigned char ag_tcv[] = { | |
439 5, 0, 0, 0, 0, 0, 0, 0, 0, 1, 5, 0, 0, 1, 0, 0, 0, 0, | |
440 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, | |
441 0, 0, 0, 0, 43, 42, 38, 36, 0, 37, 0, 39, 0, 0, 0, 0, 0, 0, | |
442 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 22, 23, 0, 0, 0, | |
443 0, 31, 0, 0, 29, 18, 0, 0, 0, 0, 0, 0, 0, 0, 32, 0, 28, 0, | |
444 0, 0, 0, 0, 0, 0, 0, 0, 0, 22, 23, 0, 0, 0, 0, 31, 0, 0, | |
445 29, 18, 0, 0, 0, 0, 0, 0, 0, 0, 32, 0, 28, 0, 0, 0, 0, 0, | |
446 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
447 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
448 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
449 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
450 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
451 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
452 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
453 0, 0, 0, 0 | |
454 }; | |
455 | |
456 #ifndef SYNTAX_ERROR | |
457 #define SYNTAX_ERROR fprintf(stderr,"%s, line %d, column %d\n", \ | |
458 (PCB).error_message, (PCB).line, (PCB).column) | |
459 #endif | |
460 | |
461 #ifndef FIRST_LINE | |
462 #define FIRST_LINE 1 | |
463 #endif | |
464 | |
465 #ifndef FIRST_COLUMN | |
466 #define FIRST_COLUMN 1 | |
467 #endif | |
468 | |
469 #ifndef PARSER_STACK_OVERFLOW | |
470 #define PARSER_STACK_OVERFLOW {fprintf(stderr, \ | |
471 "\nParser stack overflow, line %d, column %d\n",\ | |
472 (PCB).line, (PCB).column);} | |
473 #endif | |
474 | |
475 #ifndef REDUCTION_TOKEN_ERROR | |
476 #define REDUCTION_TOKEN_ERROR {fprintf(stderr, \ | |
477 "\nReduction token error, line %d, column %d\n", \ | |
478 (PCB).line, (PCB).column);} | |
479 #endif | |
480 | |
481 | |
482 #ifndef INPUT_CODE | |
483 #define INPUT_CODE(T) (T) | |
484 #endif | |
485 | |
486 typedef enum | |
487 {ag_accept_key, ag_set_key, ag_jmp_key, ag_end_key, ag_no_match_key, | |
488 ag_cf_accept_key, ag_cf_set_key, ag_cf_end_key} key_words; | |
489 | |
490 static void ag_get_key_word(int ag_k) { | |
491 int ag_save = (int) ((PCB).la_ptr - (PCB).pointer); | |
492 const unsigned char *ag_p; | |
493 int ag_ch; | |
494 while (1) { | |
495 switch (ag_key_act[ag_k]) { | |
496 case ag_cf_end_key: { | |
497 const unsigned char *sp = ag_key_ends + ag_key_jmp[ag_k]; | |
498 do { | |
499 if ((ag_ch = *sp++) == 0) { | |
500 int ag_k1 = ag_key_parm[ag_k]; | |
501 int ag_k2 = ag_key_pt[ag_k1]; | |
502 if (ag_key_itt[ag_k2 + CONVERT_CASE(*(PCB).la_ptr)]) goto ag_fail; | |
503 (PCB).token_number = (rcalc_token_type) ag_key_pt[ag_k1 + 1]; | |
504 return; | |
505 } | |
506 } while (CONVERT_CASE(*(PCB).la_ptr++) == ag_ch); | |
507 goto ag_fail; | |
508 } | |
509 case ag_end_key: { | |
510 const unsigned char *sp = ag_key_ends + ag_key_jmp[ag_k]; | |
511 do { | |
512 if ((ag_ch = *sp++) == 0) { | |
513 (PCB).token_number = (rcalc_token_type) ag_key_parm[ag_k]; | |
514 return; | |
515 } | |
516 } while (CONVERT_CASE(*(PCB).la_ptr++) == ag_ch); | |
517 } | |
518 case ag_no_match_key: | |
519 ag_fail: | |
520 (PCB).la_ptr = (PCB).pointer + ag_save; | |
521 return; | |
522 case ag_cf_set_key: { | |
523 int ag_k1 = ag_key_parm[ag_k]; | |
524 int ag_k2 = ag_key_pt[ag_k1]; | |
525 ag_k = ag_key_jmp[ag_k]; | |
526 if (ag_key_itt[ag_k2 + CONVERT_CASE(*(PCB).la_ptr)]) break; | |
527 ag_save = (int) ((PCB).la_ptr - (PCB).pointer); | |
528 (PCB).token_number = (rcalc_token_type) ag_key_pt[ag_k1+1]; | |
529 break; | |
530 } | |
531 case ag_set_key: | |
532 ag_save = (int) ((PCB).la_ptr - (PCB).pointer); | |
533 (PCB).token_number = (rcalc_token_type) ag_key_parm[ag_k]; | |
534 case ag_jmp_key: | |
535 ag_k = ag_key_jmp[ag_k]; | |
536 break; | |
537 case ag_accept_key: | |
538 (PCB).token_number = (rcalc_token_type) ag_key_parm[ag_k]; | |
539 return; | |
540 case ag_cf_accept_key: { | |
541 int ag_k1 = ag_key_parm[ag_k]; | |
542 int ag_k2 = ag_key_pt[ag_k1]; | |
543 if (ag_key_itt[ag_k2 + CONVERT_CASE(*(PCB).la_ptr)]) | |
544 (PCB).la_ptr = (PCB).pointer + ag_save; | |
545 else (PCB).token_number = (rcalc_token_type) ag_key_pt[ag_k1+1]; | |
546 return; | |
547 } | |
548 } | |
549 ag_ch = CONVERT_CASE(*(PCB).la_ptr++); | |
550 ag_p = &ag_key_ch[ag_k]; | |
551 if (ag_ch <= 255) while (*ag_p < ag_ch) ag_p++; | |
552 if (ag_ch > 255 || *ag_p != ag_ch) { | |
553 (PCB).la_ptr = (PCB).pointer + ag_save; | |
554 return; | |
555 } | |
556 ag_k = (int) (ag_p - ag_key_ch); | |
557 } | |
558 } | |
559 | |
560 | |
561 #ifndef AG_NEWLINE | |
562 #define AG_NEWLINE 10 | |
563 #endif | |
564 | |
565 #ifndef AG_RETURN | |
566 #define AG_RETURN 13 | |
567 #endif | |
568 | |
569 #ifndef AG_FORMFEED | |
570 #define AG_FORMFEED 12 | |
571 #endif | |
572 | |
573 #ifndef AG_TABCHAR | |
574 #define AG_TABCHAR 9 | |
575 #endif | |
576 | |
577 static void ag_track(void) { | |
578 int ag_k = (int) ((PCB).la_ptr - (PCB).pointer); | |
579 while (ag_k--) { | |
580 switch (*(PCB).pointer++) { | |
581 case AG_NEWLINE: | |
582 (PCB).column = 1, (PCB).line++; | |
583 case AG_RETURN: | |
584 case AG_FORMFEED: | |
585 break; | |
586 case AG_TABCHAR: | |
587 (PCB).column += (TAB_SPACING) - ((PCB).column - 1) % (TAB_SPACING); | |
588 break; | |
589 default: | |
590 (PCB).column++; | |
591 } | |
592 } | |
593 } | |
594 | |
595 | |
596 static void ag_prot(void) { | |
597 int ag_k; | |
598 ag_k = 128 - ++(PCB).btsx; | |
599 if (ag_k <= (PCB).ssx) { | |
600 (PCB).exit_flag = AG_STACK_ERROR_CODE; | |
601 PARSER_STACK_OVERFLOW; | |
602 return; | |
603 } | |
604 (PCB).bts[(PCB).btsx] = (PCB).sn; | |
605 (PCB).bts[ag_k] = (PCB).ssx; | |
606 (PCB).vs[ag_k] = (PCB).vs[(PCB).ssx]; | |
607 (PCB).ss[ag_k] = (PCB).ss[(PCB).ssx]; | |
608 (PCB).cs[ag_k] = (PCB).cs[(PCB).ssx]; | |
609 } | |
610 | |
611 static void ag_undo(void) { | |
612 if ((PCB).drt == -1) return; | |
613 while ((PCB).btsx) { | |
614 int ag_k = 128 - (PCB).btsx; | |
615 (PCB).sn = (PCB).bts[(PCB).btsx--]; | |
616 (PCB).ssx = (PCB).bts[ag_k]; | |
617 (PCB).vs[(PCB).ssx] = (PCB).vs[ag_k]; | |
618 (PCB).ss[(PCB).ssx] = (PCB).ss[ag_k]; | |
619 (PCB).cs[(PCB).ssx] = (PCB).cs[ag_k]; | |
620 } | |
621 (PCB).token_number = (rcalc_token_type) (PCB).drt; | |
622 (PCB).ssx = (PCB).dssx; | |
623 (PCB).sn = (PCB).dsn; | |
624 (PCB).drt = -1; | |
625 } | |
626 | |
627 | |
628 static const unsigned char ag_tstt[] = { | |
629 43,41,37,32,31,29,28,23,22,18,1,0,34,35, | |
630 1,0, | |
631 43,41,37,32,31,29,28,23,22,18,0,2,3,4,6,8,9,12,13,15,16,19,20,24,25,26,30, | |
632 33,40, | |
633 31,0, | |
634 32,29,28,23,22,18,0, | |
635 28,0, | |
636 29,23,22,18,0, | |
637 42,39,38,37,36,32,31,5,1,0,26,27,33, | |
638 22,0, | |
639 23,18,0, | |
640 42,39,38,37,36,32,31,29,28,5,1,0,20,21,25,26,30,33, | |
641 42,39,38,37,36,32,31,29,28,23,22,18,5,1,0,16,17,19,20,24,25,26,30,33, | |
642 43,41,37,32,31,29,28,23,22,18,1,0,34,35, | |
643 43,41,37,32,31,29,28,23,22,18,1,0,34,35, | |
644 42,39,38,37,36,5,1,0,34,35, | |
645 42,39,38,37,36,5,1,0,34,35, | |
646 43,41,37,32,31,29,28,23,22,18,0,2,8,9,12,13,15,16,19,20,24,25,26,30,33,40, | |
647 43,41,37,32,31,29,28,23,22,18,0,2,4,6,8,9,12,13,15,16,19,20,24,25,26,30,33, | |
648 40, | |
649 39,38,0,10,11, | |
650 37,36,5,0,7,8, | |
651 42,37,36,0,7,8,14, | |
652 43,41,37,32,31,29,28,23,22,18,1,0,34,35, | |
653 43,41,37,32,31,29,28,23,22,18,0,2,8,9,12,13,15,16,19,20,24,25,26,30,33,40, | |
654 43,41,37,32,31,29,28,23,22,18,1,0,34,35, | |
655 43,41,37,32,31,29,28,23,22,18,0,2,8,9,12,13,15,16,19,20,24,25,26,30,33,40, | |
656 43,41,37,32,31,29,28,23,22,18,0,2,6,8,9,12,13,15,16,19,20,24,25,26,30,33,40, | |
657 43,41,37,32,31,29,28,23,22,18,1,0,34,35, | |
658 43,41,37,32,31,29,28,23,22,18,0,2,6,8,9,12,13,15,16,19,20,24,25,26,30,33,40, | |
659 42,39,38,37,36,5,1,0,34,35, | |
660 39,38,0,10,11, | |
661 39,38,0,10,11, | |
662 | |
663 }; | |
664 | |
665 | |
666 static unsigned const char ag_astt[409] = { | |
667 8,8,8,8,8,8,8,8,8,8,1,7,1,1,9,5,1,1,1,2,1,2,1,2,1,2,7,1,0,1,1,1,1,2,1,1,1, | |
668 1,1,1,1,1,1,1,1,10,5,2,2,2,2,2,2,4,10,5,2,2,2,2,4,5,5,5,5,5,2,1,5,5,7,2,2, | |
669 1,10,5,2,2,4,5,5,5,5,5,2,1,2,1,5,5,7,2,2,1,2,1,1,5,5,5,5,5,2,1,2,1,2,1,10, | |
670 5,5,7,2,2,1,2,1,1,2,1,1,5,5,5,5,5,5,5,5,5,5,1,7,1,3,5,5,5,5,5,5,5,5,5,5,1, | |
671 7,1,3,5,5,5,5,5,5,1,7,1,3,5,5,5,5,5,5,1,7,1,3,1,1,1,2,1,2,1,2,1,2,7,2,1,2, | |
672 2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,2,1,2,1,2,7,1,1,1,1,1,2,1,1,1,1,1,1,1,1, | |
673 1,1,1,1,1,5,1,1,1,1,2,7,1,1,1,1,1,7,1,1,2,5,5,5,5,5,5,5,5,5,5,1,7,1,3,1,1, | |
674 1,2,1,2,1,2,1,2,7,2,1,2,2,1,1,1,1,1,1,1,1,1,1,1,5,5,5,5,5,5,5,5,5,5,1,7,1, | |
675 3,1,1,1,2,1,2,1,2,1,2,7,2,1,2,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,2,1,2,1,2, | |
676 7,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,5,5,5,5,5,5,5,5,5,5,1,7,1,3,1,1,1,2,1,2, | |
677 1,2,1,2,7,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,5,5,5,5,5,5,1,7,1,3,1,1,4,1,1,1, | |
678 1,4,1,1 | |
679 }; | |
680 | |
681 | |
682 static const unsigned char ag_pstt[] = { | |
683 2,2,2,2,2,2,2,2,2,2,1,0,1,2, | |
684 51,53, | |
685 13,14,12,48,4,38,6,26,9,16,2,18,0,19,18,16,18,9,17,11,15,10,15,8,7,15,5,3, | |
686 15, | |
687 49,46, | |
688 45,43,44,41,42,40,47, | |
689 39,36, | |
690 35,33,34,32,37, | |
691 28,28,28,28,28,48,4,28,28,7,30,30,3, | |
692 27,24, | |
693 23,22,25, | |
694 18,18,18,18,18,48,4,38,6,18,18,10,20,20,7,20,5,3, | |
695 12,12,12,12,12,48,4,38,6,26,9,17,12,12,11,14,14,10,14,8,7,14,5,3, | |
696 52,52,52,52,52,52,52,52,52,52,1,12,1,55, | |
697 52,52,52,52,52,52,52,52,52,52,1,13,1,61, | |
698 52,52,52,52,52,52,1,14,1,59, | |
699 52,52,52,52,52,52,1,15,1,58, | |
700 13,14,12,48,4,38,6,26,9,16,16,11,16,11,9,17,11,15,10,15,8,7,15,5,3,15, | |
701 13,14,12,48,4,38,6,26,9,16,17,18,20,18,16,18,9,17,11,15,10,15,8,7,15,5,3,15, | |
702 21,23,2,24,22, | |
703 12,26,1,19,27,25, | |
704 28,12,26,20,27,25,10, | |
705 52,52,52,52,52,52,52,52,52,52,1,21,1,57, | |
706 13,14,12,48,4,38,6,26,9,16,22,7,16,7,9,17,11,15,10,15,8,7,15,5,3,15, | |
707 52,52,52,52,52,52,52,52,52,52,1,23,1,56, | |
708 13,14,12,48,4,38,6,26,9,16,24,6,16,6,9,17,11,15,10,15,8,7,15,5,3,15, | |
709 13,14,12,48,4,38,6,26,9,16,25,29,29,16,29,9,17,11,15,10,15,8,7,15,5,3,15, | |
710 52,52,52,52,52,52,52,52,52,52,1,26,1,54, | |
711 13,14,12,48,4,38,6,26,9,16,27,30,30,16,30,9,17,11,15,10,15,8,7,15,5,3,15, | |
712 52,52,52,52,52,52,1,28,1,60, | |
713 21,23,4,24,22, | |
714 21,23,3,24,22, | |
715 | |
716 }; | |
717 | |
718 | |
719 static const unsigned short ag_sbt[] = { | |
720 0, 14, 16, 45, 47, 54, 56, 61, 74, 76, 79, 97, 121, 135, | |
721 149, 159, 169, 195, 223, 228, 234, 241, 255, 281, 295, 321, 348, 362, | |
722 389, 399, 404, 409 | |
723 }; | |
724 | |
725 | |
726 static const unsigned short ag_sbe[] = { | |
727 11, 15, 26, 46, 53, 55, 60, 70, 75, 78, 90, 111, 132, 146, | |
728 156, 166, 179, 205, 225, 231, 237, 252, 265, 292, 305, 331, 359, 372, | |
729 396, 401, 406, 409 | |
730 }; | |
731 | |
732 | |
733 static const unsigned char ag_fl[] = { | |
734 2,2,1,3,3,1,3,3,1,1,3,2,0,1,2,1,1,2,0,1,2,1,2,2,1,1,1,2,0,1,2,1,2,2,2, | |
735 2,1,1,1,2,2,2,2,2,2,2,1,1,1,2,1,2,0,1,2,2,2,2,2,2,2,2 | |
736 }; | |
737 | |
738 static const unsigned char ag_ptt[] = { | |
739 0, 3, 4, 4, 4, 6, 6, 6, 9, 9, 9, 9, 17, 17, 40, 40, 15, 15, | |
740 21, 21, 16, 16, 19, 19, 19, 24, 24, 24, 27, 27, 20, 20, 25, 25, 25, 25, | |
741 25, 30, 30, 30, 26, 26, 26, 26, 26, 26, 26, 33, 33, 33, 34, 34, 35, 35, | |
742 7, 8, 10, 11, 2, 12, 14, 13 | |
743 }; | |
744 | |
745 | |
746 static void ag_ra(void) | |
747 { | |
748 switch(ag_rpx[(PCB).ag_ap]) { | |
749 case 1: ag_rp_1(V(0,(long *))); break; | |
750 case 2: V(0,(long *)) = ag_rp_2(V(0,(long *)), V(2,(long *))); break; | |
751 case 3: V(0,(long *)) = ag_rp_3(V(0,(long *)), V(2,(long *))); break; | |
752 case 4: V(0,(long *)) = ag_rp_4(V(0,(long *)), V(2,(long *))); break; | |
753 case 5: V(0,(long *)) = ag_rp_5(V(0,(long *)), V(2,(long *))); break; | |
754 case 6: V(0,(long *)) = ag_rp_6(); break; | |
755 case 7: V(0,(long *)) = ag_rp_7(V(1,(long *))); break; | |
756 case 8: V(0,(long *)) = ag_rp_8(V(1,(long *))); break; | |
757 case 9: V(0,(long *)) = ag_rp_9(V(0,(long *)), V(1,(long *))); break; | |
758 case 10: V(0,(long *)) = ag_rp_10(); break; | |
759 case 11: V(0,(long *)) = ag_rp_11(V(0,(long *))); break; | |
760 case 12: V(0,(long *)) = ag_rp_12(V(0,(long *)), V(1,(long *))); break; | |
761 case 13: V(0,(long *)) = ag_rp_13(); break; | |
762 case 14: V(0,(long *)) = ag_rp_14(); break; | |
763 case 15: V(0,(long *)) = ag_rp_15(); break; | |
764 case 16: V(0,(long *)) = ag_rp_16(); break; | |
765 case 17: V(0,(long *)) = ag_rp_17(V(0,(long *))); break; | |
766 case 18: V(0,(long *)) = ag_rp_18(V(0,(long *)), V(1,(long *))); break; | |
767 case 19: V(0,(long *)) = ag_rp_19(); break; | |
768 case 20: V(0,(long *)) = ag_rp_20(); break; | |
769 case 21: V(0,(long *)) = ag_rp_21(); break; | |
770 case 22: V(0,(long *)) = ag_rp_22(); break; | |
771 case 23: V(0,(long *)) = ag_rp_23(); break; | |
772 case 24: V(0,(long *)) = ag_rp_24(); break; | |
773 case 25: V(0,(long *)) = ag_rp_25(V(0,(long *))); break; | |
774 case 26: V(0,(long *)) = ag_rp_26(); break; | |
775 case 27: V(0,(long *)) = ag_rp_27(); break; | |
776 case 28: V(0,(long *)) = ag_rp_28(); break; | |
777 case 29: V(0,(long *)) = ag_rp_29(); break; | |
778 case 30: V(0,(long *)) = ag_rp_30(); break; | |
779 case 31: V(0,(long *)) = ag_rp_31(); break; | |
780 case 32: V(0,(long *)) = ag_rp_32(); break; | |
781 case 33: V(0,(long *)) = ag_rp_33(); break; | |
782 case 34: V(0,(long *)) = ag_rp_34(V(0,(long *))); break; | |
783 } | |
784 (PCB).la_ptr = (PCB).pointer; | |
785 } | |
786 | |
787 #define TOKEN_NAMES rcalc_token_names | |
788 const char *const rcalc_token_names[44] = { | |
789 "calculation", | |
790 "ws", | |
791 "roman numeral", | |
792 "calculation", | |
793 "expression", | |
794 "eof", | |
795 "term", | |
796 "'+'", | |
797 "'-'", | |
798 "factor", | |
799 "'*'", | |
800 "'/'", | |
801 "\"NIHIL\"", | |
802 "'('", | |
803 "')'", | |
804 "thousands", | |
805 "hundreds", | |
806 "", | |
807 "m", | |
808 "hundreds field", | |
809 "tens", | |
810 "", | |
811 "c", | |
812 "d", | |
813 "count hundreds", | |
814 "tens field", | |
815 "units", | |
816 "", | |
817 "x", | |
818 "l", | |
819 "count tens", | |
820 "i", | |
821 "v", | |
822 "count units", | |
823 "", | |
824 "", | |
825 "'+'", | |
826 "'-'", | |
827 "'*'", | |
828 "'/'", | |
829 "roman numeral", | |
830 "\"NIHIL\"", | |
831 "')'", | |
832 "'('", | |
833 | |
834 }; | |
835 | |
836 #ifndef MISSING_FORMAT | |
837 #define MISSING_FORMAT "Missing %s" | |
838 #endif | |
839 #ifndef UNEXPECTED_FORMAT | |
840 #define UNEXPECTED_FORMAT "Unexpected %s" | |
841 #endif | |
842 #ifndef UNNAMED_TOKEN | |
843 #define UNNAMED_TOKEN "input" | |
844 #endif | |
845 | |
846 | |
847 static void ag_diagnose(void) { | |
848 int ag_snd = (PCB).sn; | |
849 int ag_k = ag_sbt[ag_snd]; | |
850 | |
851 if (*TOKEN_NAMES[ag_tstt[ag_k]] && ag_astt[ag_k + 1] == ag_action_8) { | |
852 sprintf((PCB).ag_msg, MISSING_FORMAT, TOKEN_NAMES[ag_tstt[ag_k]]); | |
853 } | |
854 else if (ag_astt[ag_sbe[(PCB).sn]] == ag_action_8 | |
855 && (ag_k = (int) ag_sbe[(PCB).sn] + 1) == (int) ag_sbt[(PCB).sn+1] - 1 | |
856 && *TOKEN_NAMES[ag_tstt[ag_k]]) { | |
857 sprintf((PCB).ag_msg, MISSING_FORMAT, TOKEN_NAMES[ag_tstt[ag_k]]); | |
858 } | |
859 else if ((PCB).token_number && *TOKEN_NAMES[(PCB).token_number]) { | |
860 sprintf((PCB).ag_msg, UNEXPECTED_FORMAT, TOKEN_NAMES[(PCB).token_number]); | |
861 } | |
862 else if (isprint(INPUT_CODE((*(PCB).pointer))) && INPUT_CODE((*(PCB).pointer)) != '\\') { | |
863 char buf[20]; | |
864 sprintf(buf, "\'%c\'", (char) INPUT_CODE((*(PCB).pointer))); | |
865 sprintf((PCB).ag_msg, UNEXPECTED_FORMAT, buf); | |
866 } | |
867 else sprintf((PCB).ag_msg, UNEXPECTED_FORMAT, UNNAMED_TOKEN); | |
868 (PCB).error_message = (PCB).ag_msg; | |
869 | |
870 | |
871 } | |
872 static int ag_action_1_r_proc(void); | |
873 static int ag_action_2_r_proc(void); | |
874 static int ag_action_3_r_proc(void); | |
875 static int ag_action_4_r_proc(void); | |
876 static int ag_action_1_s_proc(void); | |
877 static int ag_action_3_s_proc(void); | |
878 static int ag_action_1_proc(void); | |
879 static int ag_action_2_proc(void); | |
880 static int ag_action_3_proc(void); | |
881 static int ag_action_4_proc(void); | |
882 static int ag_action_5_proc(void); | |
883 static int ag_action_6_proc(void); | |
884 static int ag_action_7_proc(void); | |
885 static int ag_action_8_proc(void); | |
886 static int ag_action_9_proc(void); | |
887 static int ag_action_10_proc(void); | |
888 static int ag_action_11_proc(void); | |
889 static int ag_action_8_proc(void); | |
890 | |
891 | |
892 static int (*const ag_r_procs_scan[])(void) = { | |
893 ag_action_1_r_proc, | |
894 ag_action_2_r_proc, | |
895 ag_action_3_r_proc, | |
896 ag_action_4_r_proc | |
897 }; | |
898 | |
899 static int (*const ag_s_procs_scan[])(void) = { | |
900 ag_action_1_s_proc, | |
901 ag_action_2_r_proc, | |
902 ag_action_3_s_proc, | |
903 ag_action_4_r_proc | |
904 }; | |
905 | |
906 static int (*const ag_gt_procs_scan[])(void) = { | |
907 ag_action_1_proc, | |
908 ag_action_2_proc, | |
909 ag_action_3_proc, | |
910 ag_action_4_proc, | |
911 ag_action_5_proc, | |
912 ag_action_6_proc, | |
913 ag_action_7_proc, | |
914 ag_action_8_proc, | |
915 ag_action_9_proc, | |
916 ag_action_10_proc, | |
917 ag_action_11_proc, | |
918 ag_action_8_proc | |
919 }; | |
920 | |
921 | |
922 static int ag_action_10_proc(void) { | |
923 int ag_t = (PCB).token_number; | |
924 (PCB).btsx = 0, (PCB).drt = -1; | |
925 do { | |
926 ag_track(); | |
927 (PCB).token_number = (rcalc_token_type) AG_TCV(INPUT_CODE(*(PCB).la_ptr)); | |
928 (PCB).la_ptr++; | |
929 if (ag_key_index[(PCB).sn]) { | |
930 unsigned ag_k = ag_key_index[(PCB).sn]; | |
931 int ag_ch = CONVERT_CASE(INPUT_CODE(*(PCB).pointer)); | |
932 if (ag_ch <= 255) { | |
933 while (ag_key_ch[ag_k] < ag_ch) ag_k++; | |
934 if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k); | |
935 } | |
936 } | |
937 } while ((PCB).token_number == (rcalc_token_type) ag_t); | |
938 (PCB).la_ptr = (PCB).pointer; | |
939 return 1; | |
940 } | |
941 | |
942 static int ag_action_11_proc(void) { | |
943 int ag_t = (PCB).token_number; | |
944 | |
945 (PCB).btsx = 0, (PCB).drt = -1; | |
946 do { | |
947 (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).pointer; | |
948 (PCB).ssx--; | |
949 ag_track(); | |
950 ag_ra(); | |
951 if ((PCB).exit_flag != AG_RUNNING_CODE) return 0; | |
952 (PCB).ssx++; | |
953 (PCB).token_number = (rcalc_token_type) AG_TCV(INPUT_CODE(*(PCB).la_ptr)); | |
954 (PCB).la_ptr++; | |
955 if (ag_key_index[(PCB).sn]) { | |
956 unsigned ag_k = ag_key_index[(PCB).sn]; | |
957 int ag_ch = CONVERT_CASE(INPUT_CODE(*(PCB).pointer)); | |
958 if (ag_ch <= 255) { | |
959 while (ag_key_ch[ag_k] < ag_ch) ag_k++; | |
960 if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k); | |
961 } | |
962 } | |
963 } | |
964 while ((PCB).token_number == (rcalc_token_type) ag_t); | |
965 (PCB).la_ptr = (PCB).pointer; | |
966 return 1; | |
967 } | |
968 | |
969 static int ag_action_3_r_proc(void) { | |
970 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
971 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
972 (PCB).btsx = 0, (PCB).drt = -1; | |
973 (PCB).reduction_token = (rcalc_token_type) ag_ptt[(PCB).ag_ap]; | |
974 ag_ra(); | |
975 return (PCB).exit_flag == AG_RUNNING_CODE; | |
976 } | |
977 | |
978 static int ag_action_3_s_proc(void) { | |
979 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
980 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
981 (PCB).btsx = 0, (PCB).drt = -1; | |
982 (PCB).reduction_token = (rcalc_token_type) ag_ptt[(PCB).ag_ap]; | |
983 ag_ra(); | |
984 return (PCB).exit_flag == AG_RUNNING_CODE; | |
985 } | |
986 | |
987 static int ag_action_4_r_proc(void) { | |
988 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
989 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
990 (PCB).reduction_token = (rcalc_token_type) ag_ptt[(PCB).ag_ap]; | |
991 return 1; | |
992 } | |
993 | |
994 static int ag_action_2_proc(void) { | |
995 (PCB).btsx = 0, (PCB).drt = -1; | |
996 if ((PCB).ssx >= 128) { | |
997 (PCB).exit_flag = AG_STACK_ERROR_CODE; | |
998 PARSER_STACK_OVERFLOW; | |
999 } | |
1000 (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).pointer; | |
1001 GET_CONTEXT; | |
1002 (PCB).ss[(PCB).ssx] = (PCB).sn; | |
1003 (PCB).ssx++; | |
1004 (PCB).sn = (PCB).ag_ap; | |
1005 ag_track(); | |
1006 return 0; | |
1007 } | |
1008 | |
1009 static int ag_action_9_proc(void) { | |
1010 if ((PCB).drt == -1) { | |
1011 (PCB).drt=(PCB).token_number; | |
1012 (PCB).dssx=(PCB).ssx; | |
1013 (PCB).dsn=(PCB).sn; | |
1014 } | |
1015 ag_prot(); | |
1016 (PCB).vs[(PCB).ssx] = ag_null_value; | |
1017 GET_CONTEXT; | |
1018 (PCB).ss[(PCB).ssx] = (PCB).sn; | |
1019 (PCB).ssx++; | |
1020 (PCB).sn = (PCB).ag_ap; | |
1021 (PCB).la_ptr = (PCB).pointer; | |
1022 return (PCB).exit_flag == AG_RUNNING_CODE; | |
1023 } | |
1024 | |
1025 static int ag_action_2_r_proc(void) { | |
1026 (PCB).ssx++; | |
1027 (PCB).sn = (PCB).ag_ap; | |
1028 return 0; | |
1029 } | |
1030 | |
1031 static int ag_action_7_proc(void) { | |
1032 --(PCB).ssx; | |
1033 (PCB).la_ptr = (PCB).pointer; | |
1034 (PCB).exit_flag = AG_SUCCESS_CODE; | |
1035 return 0; | |
1036 } | |
1037 | |
1038 static int ag_action_1_proc(void) { | |
1039 ag_track(); | |
1040 (PCB).exit_flag = AG_SUCCESS_CODE; | |
1041 return 0; | |
1042 } | |
1043 | |
1044 static int ag_action_1_r_proc(void) { | |
1045 (PCB).exit_flag = AG_SUCCESS_CODE; | |
1046 return 0; | |
1047 } | |
1048 | |
1049 static int ag_action_1_s_proc(void) { | |
1050 (PCB).exit_flag = AG_SUCCESS_CODE; | |
1051 return 0; | |
1052 } | |
1053 | |
1054 static int ag_action_4_proc(void) { | |
1055 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
1056 (PCB).reduction_token = (rcalc_token_type) ag_ptt[(PCB).ag_ap]; | |
1057 (PCB).btsx = 0, (PCB).drt = -1; | |
1058 (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).pointer; | |
1059 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
1060 else GET_CONTEXT; | |
1061 (PCB).ss[(PCB).ssx] = (PCB).sn; | |
1062 ag_track(); | |
1063 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
1064 unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; | |
1065 unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; | |
1066 do { | |
1067 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
1068 if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; | |
1069 else ag_t2 = ag_tx; | |
1070 } while (ag_t1 < ag_t2); | |
1071 (PCB).ag_ap = ag_pstt[ag_t1]; | |
1072 if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break; | |
1073 } | |
1074 return 0; | |
1075 } | |
1076 | |
1077 static int ag_action_3_proc(void) { | |
1078 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
1079 (PCB).btsx = 0, (PCB).drt = -1; | |
1080 (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).pointer; | |
1081 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
1082 else GET_CONTEXT; | |
1083 (PCB).ss[(PCB).ssx] = (PCB).sn; | |
1084 ag_track(); | |
1085 (PCB).reduction_token = (rcalc_token_type) ag_ptt[(PCB).ag_ap]; | |
1086 ag_ra(); | |
1087 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
1088 unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; | |
1089 unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; | |
1090 do { | |
1091 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
1092 if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; | |
1093 else ag_t2 = ag_tx; | |
1094 } while (ag_t1 < ag_t2); | |
1095 (PCB).ag_ap = ag_pstt[ag_t1]; | |
1096 if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break; | |
1097 } | |
1098 return 0; | |
1099 } | |
1100 | |
1101 static int ag_action_8_proc(void) { | |
1102 ag_undo(); | |
1103 (PCB).la_ptr = (PCB).pointer; | |
1104 (PCB).exit_flag = AG_SYNTAX_ERROR_CODE; | |
1105 ag_diagnose(); | |
1106 SYNTAX_ERROR; | |
1107 {(PCB).la_ptr = (PCB).pointer + 1; ag_track();} | |
1108 return (PCB).exit_flag == AG_RUNNING_CODE; | |
1109 } | |
1110 | |
1111 static int ag_action_5_proc(void) { | |
1112 int ag_sd = ag_fl[(PCB).ag_ap]; | |
1113 (PCB).btsx = 0, (PCB).drt = -1; | |
1114 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
1115 else { | |
1116 GET_CONTEXT; | |
1117 (PCB).ss[(PCB).ssx] = (PCB).sn; | |
1118 } | |
1119 (PCB).la_ptr = (PCB).pointer; | |
1120 (PCB).reduction_token = (rcalc_token_type) ag_ptt[(PCB).ag_ap]; | |
1121 ag_ra(); | |
1122 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
1123 unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; | |
1124 unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; | |
1125 do { | |
1126 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
1127 if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; | |
1128 else ag_t2 = ag_tx; | |
1129 } while (ag_t1 < ag_t2); | |
1130 (PCB).ag_ap = ag_pstt[ag_t1]; | |
1131 if ((ag_r_procs_scan[ag_astt[ag_t1]])() == 0) break; | |
1132 } | |
1133 return (PCB).exit_flag == AG_RUNNING_CODE; | |
1134 } | |
1135 | |
1136 static int ag_action_6_proc(void) { | |
1137 int ag_sd = ag_fl[(PCB).ag_ap]; | |
1138 (PCB).reduction_token = (rcalc_token_type) ag_ptt[(PCB).ag_ap]; | |
1139 if ((PCB).drt == -1) { | |
1140 (PCB).drt=(PCB).token_number; | |
1141 (PCB).dssx=(PCB).ssx; | |
1142 (PCB).dsn=(PCB).sn; | |
1143 } | |
1144 if (ag_sd) { | |
1145 (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
1146 } | |
1147 else { | |
1148 ag_prot(); | |
1149 (PCB).vs[(PCB).ssx] = ag_null_value; | |
1150 GET_CONTEXT; | |
1151 (PCB).ss[(PCB).ssx] = (PCB).sn; | |
1152 } | |
1153 (PCB).la_ptr = (PCB).pointer; | |
1154 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
1155 unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; | |
1156 unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; | |
1157 do { | |
1158 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
1159 if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; | |
1160 else ag_t2 = ag_tx; | |
1161 } while (ag_t1 < ag_t2); | |
1162 (PCB).ag_ap = ag_pstt[ag_t1]; | |
1163 if ((ag_r_procs_scan[ag_astt[ag_t1]])() == 0) break; | |
1164 } | |
1165 return (PCB).exit_flag == AG_RUNNING_CODE; | |
1166 } | |
1167 | |
1168 | |
1169 void init_rcalc(void) { | |
1170 (PCB).la_ptr = (PCB).pointer; | |
1171 (PCB).ss[0] = (PCB).sn = (PCB).ssx = 0; | |
1172 (PCB).exit_flag = AG_RUNNING_CODE; | |
1173 (PCB).line = FIRST_LINE; | |
1174 (PCB).column = FIRST_COLUMN; | |
1175 (PCB).btsx = 0, (PCB).drt = -1; | |
1176 } | |
1177 | |
1178 void rcalc(void) { | |
1179 init_rcalc(); | |
1180 (PCB).exit_flag = AG_RUNNING_CODE; | |
1181 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
1182 unsigned ag_t1 = ag_sbt[(PCB).sn]; | |
1183 if (ag_tstt[ag_t1]) { | |
1184 unsigned ag_t2 = ag_sbe[(PCB).sn] - 1; | |
1185 (PCB).token_number = (rcalc_token_type) AG_TCV(INPUT_CODE(*(PCB).la_ptr)); | |
1186 (PCB).la_ptr++; | |
1187 if (ag_key_index[(PCB).sn]) { | |
1188 unsigned ag_k = ag_key_index[(PCB).sn]; | |
1189 int ag_ch = CONVERT_CASE(INPUT_CODE(*(PCB).pointer)); | |
1190 if (ag_ch <= 255) { | |
1191 while (ag_key_ch[ag_k] < ag_ch) ag_k++; | |
1192 if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k); | |
1193 } | |
1194 } | |
1195 do { | |
1196 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
1197 if (ag_tstt[ag_tx] > (unsigned char)(PCB).token_number) | |
1198 ag_t1 = ag_tx + 1; | |
1199 else ag_t2 = ag_tx; | |
1200 } while (ag_t1 < ag_t2); | |
1201 if (ag_tstt[ag_t1] != (unsigned char)(PCB).token_number) | |
1202 ag_t1 = ag_sbe[(PCB).sn]; | |
1203 } | |
1204 (PCB).ag_ap = ag_pstt[ag_t1]; | |
1205 (ag_gt_procs_scan[ag_astt[ag_t1]])(); | |
1206 } | |
1207 } | |
1208 | |
1209 |