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comparison tests/agcl/examples/good/ffcalcx.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: FFCALCX.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 FFCALCX_H | |
27 #include "ffcalcx.h" | |
28 #endif | |
29 | |
30 #ifndef FFCALCX_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 ffcalcx_pcb_type ffcalcx_pcb; | |
44 #define PCB ffcalcx_pcb | |
45 | |
46 /* Line -, ffcalcx.syn */ | |
47 /* -- EMBEDDED C ---------------------------------- */ | |
48 double value[64]; /* registers */ | |
49 int main(void) { | |
50 ffcalcx(); | |
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 -, ffcalcx.syn */ | |
65 printf("%c = %g\n",n+'A',value[n]=x); | |
66 } | |
67 | |
68 #define ag_rp_3(n) (value[n]) | |
69 | |
70 #define ag_rp_4(x) (x) | |
71 | |
72 #define ag_rp_5(x, t) (x+t) | |
73 | |
74 #define ag_rp_6(x, t) (x-t) | |
75 | |
76 #define ag_rp_7(t, f) (t*f) | |
77 | |
78 #define ag_rp_8(t, f) (t/f) | |
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 ffcalcx_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, 3, 0, 4, 5, 6, 7, | |
132 8, 9, 0, 0, 0, 0, 0, 0, 10, 11, 0, 0, 0, 12, 13, 14, 15, 16 | |
133 }; | |
134 | |
135 static const unsigned char ag_key_itt[] = { | |
136 0 | |
137 }; | |
138 | |
139 static const unsigned short ag_key_pt[] = { | |
140 0 | |
141 }; | |
142 | |
143 static const unsigned char ag_key_ch[] = { | |
144 0, 47,255, 42,255 | |
145 }; | |
146 | |
147 static const unsigned char ag_key_act[] = { | |
148 0,3,4,3,4 | |
149 }; | |
150 | |
151 static const unsigned char ag_key_parm[] = { | |
152 0, 23, 0, 27, 0 | |
153 }; | |
154 | |
155 static const unsigned char ag_key_jmp[] = { | |
156 0, 0, 0, 2, 0 | |
157 }; | |
158 | |
159 static const unsigned char ag_key_index[] = { | |
160 1, 3, 1, 0, 3, 3, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, | |
161 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, | |
162 0, 0, 0 | |
163 }; | |
164 | |
165 static const unsigned char ag_key_ends[] = { | |
166 42,0, 47,0, | |
167 }; | |
168 #define AG_TCV(x) (((int)(x) >= -1 && (int)(x) <= 255) ? ag_tcv[(x) + 1] : 0) | |
169 | |
170 static const unsigned char ag_tcv[] = { | |
171 15, 34, 34, 34, 34, 34, 34, 34, 34, 34, 22, 37, 22, 22, 22, 34, 34, 34, | |
172 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 22, 34, 34, | |
173 34, 34, 34, 34, 34, 41, 40, 44, 42, 34, 43, 30, 45, 33, 33, 33, 33, 33, | |
174 33, 33, 33, 33, 33, 34, 34, 34, 38, 34, 34, 34, 46, 46, 46, 46, 46, 46, | |
175 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, | |
176 46, 46, 34, 34, 34, 34, 34, 34, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, | |
177 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 34, 34, | |
178 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, | |
179 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, | |
180 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, | |
181 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, | |
182 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, | |
183 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, | |
184 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, | |
185 34, 34, 34, 34, 34 | |
186 }; | |
187 | |
188 #ifndef SYNTAX_ERROR | |
189 #define SYNTAX_ERROR fprintf(stderr,"%s, line %d, column %d\n", \ | |
190 (PCB).error_message, (PCB).line, (PCB).column) | |
191 #endif | |
192 | |
193 #ifndef FIRST_LINE | |
194 #define FIRST_LINE 1 | |
195 #endif | |
196 | |
197 #ifndef FIRST_COLUMN | |
198 #define FIRST_COLUMN 1 | |
199 #endif | |
200 | |
201 #ifndef PARSER_STACK_OVERFLOW | |
202 #define PARSER_STACK_OVERFLOW {fprintf(stderr, \ | |
203 "\nParser stack overflow, line %d, column %d\n",\ | |
204 (PCB).line, (PCB).column);} | |
205 #endif | |
206 | |
207 #ifndef REDUCTION_TOKEN_ERROR | |
208 #define REDUCTION_TOKEN_ERROR {fprintf(stderr, \ | |
209 "\nReduction token error, line %d, column %d\n", \ | |
210 (PCB).line, (PCB).column);} | |
211 #endif | |
212 | |
213 | |
214 typedef enum | |
215 {ag_accept_key, ag_set_key, ag_jmp_key, ag_end_key, ag_no_match_key, | |
216 ag_cf_accept_key, ag_cf_set_key, ag_cf_end_key} key_words; | |
217 | |
218 #ifndef GET_INPUT | |
219 #define GET_INPUT ((PCB).input_code = getchar()) | |
220 #endif | |
221 | |
222 | |
223 static int ag_look_ahead(void) { | |
224 if ((PCB).rx < (PCB).fx) { | |
225 return CONVERT_CASE((PCB).lab[(PCB).rx++]); | |
226 } | |
227 GET_INPUT; | |
228 (PCB).fx++; | |
229 return CONVERT_CASE((PCB).lab[(PCB).rx++] = (PCB).input_code); | |
230 } | |
231 | |
232 static void ag_get_key_word(int ag_k) { | |
233 int save_index = (PCB).rx; | |
234 const unsigned char *sp; | |
235 int ag_ch; | |
236 while (1) { | |
237 switch (ag_key_act[ag_k]) { | |
238 case ag_cf_end_key: | |
239 sp = ag_key_ends + ag_key_jmp[ag_k]; | |
240 do { | |
241 if ((ag_ch = *sp++) == 0) { | |
242 int ag_k1 = ag_key_parm[ag_k]; | |
243 int ag_k2 = ag_key_pt[ag_k1]; | |
244 if (ag_key_itt[ag_k2 + ag_look_ahead()]) goto ag_fail; | |
245 (PCB).rx--; | |
246 (PCB).token_number = (ffcalcx_token_type) ag_key_pt[ag_k1 + 1]; | |
247 return; | |
248 } | |
249 } while (ag_look_ahead() == ag_ch); | |
250 goto ag_fail; | |
251 case ag_end_key: | |
252 sp = ag_key_ends + ag_key_jmp[ag_k]; | |
253 do { | |
254 if ((ag_ch = *sp++) == 0) { | |
255 (PCB).token_number = (ffcalcx_token_type) ag_key_parm[ag_k]; | |
256 return; | |
257 } | |
258 } while (ag_look_ahead() == ag_ch); | |
259 case ag_no_match_key: | |
260 ag_fail: | |
261 (PCB).rx = save_index; | |
262 return; | |
263 case ag_cf_set_key: { | |
264 int ag_k1 = ag_key_parm[ag_k]; | |
265 int ag_k2 = ag_key_pt[ag_k1]; | |
266 ag_k = ag_key_jmp[ag_k]; | |
267 if (ag_key_itt[ag_k2 + (ag_ch = ag_look_ahead())]) break; | |
268 save_index = --(PCB).rx; | |
269 (PCB).token_number = (ffcalcx_token_type) ag_key_pt[ag_k1+1]; | |
270 break; | |
271 } | |
272 case ag_set_key: | |
273 save_index = (PCB).rx; | |
274 (PCB).token_number = (ffcalcx_token_type) ag_key_parm[ag_k]; | |
275 case ag_jmp_key: | |
276 ag_k = ag_key_jmp[ag_k]; | |
277 ag_ch = ag_look_ahead(); | |
278 break; | |
279 case ag_accept_key: | |
280 (PCB).token_number = (ffcalcx_token_type) ag_key_parm[ag_k]; | |
281 return; | |
282 case ag_cf_accept_key: { | |
283 int ag_k1 = ag_key_parm[ag_k]; | |
284 int ag_k2 = ag_key_pt[ag_k1]; | |
285 if (ag_key_itt[ag_k2 + ag_look_ahead()]) (PCB).rx = save_index; | |
286 else { | |
287 (PCB).rx--; | |
288 (PCB).token_number = (ffcalcx_token_type) ag_key_pt[ag_k1+1]; | |
289 } | |
290 return; | |
291 } | |
292 default: | |
293 /* not reachable; here to suppress compiler warnings */ | |
294 goto ag_fail; | |
295 } | |
296 if (ag_ch <= 255) while (ag_key_ch[ag_k] < ag_ch) ag_k++; | |
297 if (ag_ch > 255 || ag_key_ch[ag_k] != ag_ch) { | |
298 (PCB).rx = save_index; | |
299 return; | |
300 } | |
301 } | |
302 } | |
303 | |
304 | |
305 #ifndef AG_NEWLINE | |
306 #define AG_NEWLINE 10 | |
307 #endif | |
308 | |
309 #ifndef AG_RETURN | |
310 #define AG_RETURN 13 | |
311 #endif | |
312 | |
313 #ifndef AG_FORMFEED | |
314 #define AG_FORMFEED 12 | |
315 #endif | |
316 | |
317 #ifndef AG_TABCHAR | |
318 #define AG_TABCHAR 9 | |
319 #endif | |
320 | |
321 static void ag_track(void) { | |
322 int ag_k = 0; | |
323 while (ag_k < (PCB).rx) { | |
324 int ag_ch = (PCB).lab[ag_k++]; | |
325 switch (ag_ch) { | |
326 case AG_NEWLINE: | |
327 (PCB).column = 1, (PCB).line++; | |
328 case AG_RETURN: | |
329 case AG_FORMFEED: | |
330 break; | |
331 case AG_TABCHAR: | |
332 (PCB).column += (TAB_SPACING) - ((PCB).column - 1) % (TAB_SPACING); | |
333 break; | |
334 default: | |
335 (PCB).column++; | |
336 } | |
337 } | |
338 ag_k = 0; | |
339 while ((PCB).rx < (PCB).fx) (PCB).lab[ag_k++] = (PCB).lab[(PCB).rx++]; | |
340 (PCB).fx = ag_k; | |
341 (PCB).rx = 0; | |
342 } | |
343 | |
344 | |
345 static void ag_prot(void) { | |
346 int ag_k; | |
347 ag_k = 128 - ++(PCB).btsx; | |
348 if (ag_k <= (PCB).ssx) { | |
349 (PCB).exit_flag = AG_STACK_ERROR_CODE; | |
350 PARSER_STACK_OVERFLOW; | |
351 return; | |
352 } | |
353 (PCB).bts[(PCB).btsx] = (PCB).sn; | |
354 (PCB).bts[ag_k] = (PCB).ssx; | |
355 (PCB).vs[ag_k] = (PCB).vs[(PCB).ssx]; | |
356 (PCB).ss[ag_k] = (PCB).ss[(PCB).ssx]; | |
357 } | |
358 | |
359 static void ag_undo(void) { | |
360 if ((PCB).drt == -1) return; | |
361 while ((PCB).btsx) { | |
362 int ag_k = 128 - (PCB).btsx; | |
363 (PCB).sn = (PCB).bts[(PCB).btsx--]; | |
364 (PCB).ssx = (PCB).bts[ag_k]; | |
365 (PCB).vs[(PCB).ssx] = (PCB).vs[ag_k]; | |
366 (PCB).ss[(PCB).ssx] = (PCB).ss[ag_k]; | |
367 } | |
368 (PCB).token_number = (ffcalcx_token_type) (PCB).drt; | |
369 (PCB).ssx = (PCB).dssx; | |
370 (PCB).sn = (PCB).dsn; | |
371 (PCB).drt = -1; | |
372 } | |
373 | |
374 | |
375 static const unsigned char ag_tstt[] = { | |
376 46,43,41,37,33,30,23,22,15,0,1,35,36, | |
377 46,45,44,43,42,41,40,38,37,34,33,30,27,22,0,25,26, | |
378 23,22,0,1, | |
379 46,43,41,37,33,30,19,15,0,2,4,7,8,9,10,12,13,14,16,17,20,28,29,39, | |
380 46,45,44,43,42,41,40,38,37,34,33,30,22,0, | |
381 27,0, | |
382 46,43,41,33,30,23,22,0,1,35,36, | |
383 33,0,31, | |
384 45,44,43,42,40,37,33,30,23,22,0,32, | |
385 45,44,43,42,40,38,37,23,22,0,1,35,36, | |
386 46,43,41,33,30,23,22,0,1,35,36, | |
387 45,44,43,42,40,37,23,22,0,1,35,36, | |
388 46,43,41,33,30,0,2,4,7,16,17,20,28,29,39, | |
389 46,43,41,33,30,0,2,4,7,16,17,20,28,29,39, | |
390 45,44,43,42,38,37,0,18, | |
391 45,44,43,42,37,0,3,4,5,6, | |
392 37,0,11, | |
393 46,43,41,37,33,30,19,15,0,2,4,7,9,10,12,16,17,20,28,29,39, | |
394 15,0, | |
395 45,44,43,42,40,37,33,23,22,0,31, | |
396 33,0,31, | |
397 45,44,43,42,40,37,0,3,4,5,6, | |
398 45,44,43,42,40,0,3,4,5,6,21, | |
399 46,43,41,33,30,23,22,0,1,35,36, | |
400 46,43,41,33,30,0,2,4,7,16,17,20,28,29,39, | |
401 46,43,41,33,30,23,22,0,1,35,36, | |
402 46,43,41,33,30,0,2,4,7,16,17,20,28,29,39, | |
403 46,43,41,33,30,23,22,0,1,35,36, | |
404 46,43,41,33,30,0,2,4,7,16,17,20,28,29,39, | |
405 46,43,41,33,30,0,2,4,7,16,17,20,28,29,39, | |
406 46,43,41,33,30,23,22,0,1,35,36, | |
407 46,43,41,33,30,0,2,4,7,16,17,20,28,29,39, | |
408 46,43,41,37,33,30,23,22,15,0,1,35,36, | |
409 45,44,43,42,40,37,23,22,0,1,35,36, | |
410 45,44,43,42,37,0,3,4,5,6, | |
411 45,44,43,42,40,37,0,3,4,5,6, | |
412 45,44,43,42,40,37,0,3,4,5,6, | |
413 45,44,43,42,40,37,0,3,4,5,6, | |
414 45,44,43,42,40,37,0,3,4,5,6, | |
415 | |
416 }; | |
417 | |
418 | |
419 static unsigned const char ag_astt[444] = { | |
420 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, | |
421 8,2,1,1,8,7,1,1,1,0,1,1,1,1,1,1,1,1,2,1,1,9,9,9,9,9,9,9,9,9,9,9,9,9,5,3,7, | |
422 5,5,5,5,5,1,1,7,1,1,3,1,7,2,5,5,5,5,5,5,10,1,5,5,7,3,5,5,5,5,5,5,5,1,1,7,1, | |
423 1,3,5,5,5,5,5,1,1,7,1,1,3,5,5,5,5,5,5,1,1,7,1,1,3,1,1,1,2,1,7,1,1,1,1,2,1, | |
424 2,1,1,1,1,1,2,1,7,1,1,1,1,2,1,2,1,1,4,4,4,4,1,4,7,1,1,1,1,1,4,7,1,1,1,1,1, | |
425 7,3,1,1,1,8,2,1,1,5,7,1,1,1,1,1,3,1,1,1,2,1,1,3,7,4,4,4,4,4,4,1,4,4,7,2,1, | |
426 5,2,4,4,4,4,4,4,7,1,1,1,1,1,1,1,1,1,7,1,1,1,1,2,5,5,5,5,5,1,1,7,1,1,3,1,1, | |
427 1,2,1,7,1,1,1,1,2,1,2,1,1,5,5,5,5,5,1,1,7,1,1,3,1,1,1,2,1,7,1,1,1,1,2,1,2, | |
428 1,1,5,5,5,5,5,1,1,7,1,1,3,1,1,1,2,1,7,1,1,1,1,2,1,2,1,1,1,1,1,2,1,7,1,1,1, | |
429 1,2,1,2,1,1,5,5,5,5,5,1,1,7,1,1,3,1,1,1,2,1,7,1,1,1,1,2,1,2,1,1,5,5,5,5,5, | |
430 5,1,1,5,7,1,1,3,5,5,5,5,5,5,1,1,7,1,1,3,1,1,1,1,4,7,1,1,1,1,4,4,4,4,4,4,7, | |
431 1,1,1,1,4,4,4,4,4,4,7,1,1,1,1,1,1,4,4,4,4,7,1,1,1,1,1,1,4,4,4,4,7,1,1,1,1 | |
432 }; | |
433 | |
434 | |
435 static const unsigned char ag_pstt[] = { | |
436 3,3,3,3,3,3,1,2,3,0,2,2,3, | |
437 4,4,4,4,4,4,4,4,4,4,4,4,5,4,1,4,5, | |
438 1,51,53,51, | |
439 9,6,10,16,32,7,16,18,3,15,12,12,0,16,16,17,17,18,15,14,13,26,8,11, | |
440 22,22,22,22,22,22,22,22,22,22,22,22,22,24, | |
441 25,5, | |
442 52,52,52,52,52,1,2,6,2,2,60, | |
443 19,7,31, | |
444 28,28,28,28,28,28,33,20,28,28,8,30, | |
445 52,52,52,52,52,52,52,1,2,9,2,2,63, | |
446 52,52,52,52,52,1,2,10,2,2,58, | |
447 52,52,52,52,52,52,1,2,11,2,2,56, | |
448 9,6,10,32,7,12,21,12,12,21,12,13,26,8,11, | |
449 9,6,10,32,7,13,22,12,12,22,12,13,26,8,11, | |
450 12,12,12,12,23,12,14,24, | |
451 25,27,6,30,9,15,31,29,28,26, | |
452 32,16,3, | |
453 9,6,10,16,32,7,16,7,17,15,12,12,16,16,5,15,14,13,26,8,11, | |
454 8,18, | |
455 34,34,34,34,34,34,19,34,34,19,35, | |
456 19,29,27, | |
457 19,19,19,19,19,19,21,31,29,28,26, | |
458 25,27,6,30,33,22,31,29,28,26,14, | |
459 52,52,52,52,52,1,2,23,2,2,55, | |
460 9,6,10,32,7,24,34,12,12,34,12,13,26,8,11, | |
461 52,52,52,52,52,1,2,25,2,2,62, | |
462 9,6,10,32,7,26,35,12,12,35,12,13,26,8,11, | |
463 52,52,52,52,52,1,2,27,2,2,61, | |
464 9,6,10,32,7,28,36,12,12,36,12,13,26,8,11, | |
465 9,6,10,32,7,29,37,12,12,37,12,13,26,8,11, | |
466 52,52,52,52,52,1,2,30,2,2,59, | |
467 9,6,10,32,7,31,38,12,12,38,12,13,26,8,11, | |
468 52,52,52,52,52,52,1,2,52,32,2,2,54, | |
469 52,52,52,52,52,52,1,2,33,2,2,57, | |
470 25,27,6,30,10,34,31,29,28,26, | |
471 18,18,18,18,18,18,35,31,29,28,26, | |
472 17,17,17,17,17,17,36,31,29,28,26, | |
473 25,27,16,16,16,16,37,31,29,28,26, | |
474 25,27,15,15,15,15,38,31,29,28,26, | |
475 | |
476 }; | |
477 | |
478 | |
479 static const unsigned short ag_sbt[] = { | |
480 0, 13, 30, 34, 58, 72, 74, 85, 88, 100, 113, 124, 136, 151, | |
481 166, 174, 184, 187, 208, 210, 221, 224, 235, 246, 257, 272, 283, 298, | |
482 309, 324, 339, 350, 365, 378, 390, 400, 411, 422, 433, 444 | |
483 }; | |
484 | |
485 | |
486 static const unsigned short ag_sbe[] = { | |
487 9, 27, 32, 42, 71, 73, 81, 86, 98, 109, 120, 132, 141, 156, | |
488 172, 179, 185, 195, 209, 219, 222, 230, 240, 253, 262, 279, 288, 305, | |
489 314, 329, 346, 355, 374, 386, 395, 406, 417, 428, 439, 444 | |
490 }; | |
491 | |
492 | |
493 static const unsigned char ag_fl[] = { | |
494 2,0,1,2,1,2,0,1,2,1,3,1,1,1,3,3,3,3,3,2,1,1,2,0,1,3,1,3,0,1,2,2,1,2,1, | |
495 2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,0,1,2,2,2,2,2,2,2,2,2,2 | |
496 }; | |
497 | |
498 static const unsigned char ag_ptt[] = { | |
499 0, 10, 10, 12, 13, 13, 14, 14, 8, 9, 9, 9, 16, 16, 16, 16, 16, 16, | |
500 16, 16, 1, 25, 25, 26, 26, 1, 17, 39, 32, 32, 39, 39, 29, 29, 31, 31, | |
501 7, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 35, 35, 36, 36, | |
502 11, 18, 2, 21, 20, 3, 4, 5, 6, 28 | |
503 }; | |
504 | |
505 | |
506 static void ag_ra(void) | |
507 { | |
508 switch(ag_rpx[(PCB).ag_ap]) { | |
509 case 1: ag_rp_1(V(0,(double *))); break; | |
510 case 2: ag_rp_2(V(0,(int *)), V(2,(double *))); break; | |
511 case 3: V(0,(double *)) = ag_rp_3(V(0,(int *))); break; | |
512 case 4: V(0,(double *)) = ag_rp_4(V(1,(double *))); break; | |
513 case 5: V(0,(double *)) = ag_rp_5(V(0,(double *)), V(2,(double *))); break; | |
514 case 6: V(0,(double *)) = ag_rp_6(V(0,(double *)), V(2,(double *))); break; | |
515 case 7: V(0,(double *)) = ag_rp_7(V(0,(double *)), V(2,(double *))); break; | |
516 case 8: V(0,(double *)) = ag_rp_8(V(0,(double *)), V(2,(double *))); break; | |
517 case 9: V(0,(double *)) = ag_rp_9(V(1,(double *))); break; | |
518 case 10: V(0,(int *)) = ag_rp_10(V(0,(int *))); break; | |
519 case 11: V(0,(double *)) = ag_rp_11(V(0,(double *)), V(2,(double *))); break; | |
520 case 12: V(0,(double *)) = ag_rp_12(V(1,(double *))); break; | |
521 case 13: V(0,(double *)) = ag_rp_13(V(0,(int *))); break; | |
522 case 14: V(0,(double *)) = ag_rp_14(V(0,(double *)), V(1,(int *))); break; | |
523 case 15: V(0,(double *)) = ag_rp_15(V(0,(int *))); break; | |
524 case 16: V(0,(double *)) = ag_rp_16(V(0,(int *)), V(1,(double *))); break; | |
525 } | |
526 } | |
527 | |
528 #define TOKEN_NAMES ffcalcx_token_names | |
529 const char *const ffcalcx_token_names[47] = { | |
530 "calculator", | |
531 "white space", | |
532 "real", | |
533 "'+'", | |
534 "'-'", | |
535 "'*'", | |
536 "'/'", | |
537 "unary minus", | |
538 "calculator", | |
539 "calculation", | |
540 "", | |
541 "'\\n'", | |
542 "", | |
543 "", | |
544 "", | |
545 "eof", | |
546 "expression", | |
547 "name", | |
548 "'='", | |
549 "error", | |
550 "'('", | |
551 "')'", | |
552 "", | |
553 "\"/*\"", | |
554 "", | |
555 "", | |
556 "", | |
557 "\"*/\"", | |
558 "", | |
559 "integer part", | |
560 "'.'", | |
561 "fraction part", | |
562 "", | |
563 "digit", | |
564 "", | |
565 "", | |
566 "", | |
567 "'\\n'", | |
568 "'='", | |
569 "real", | |
570 "')'", | |
571 "'('", | |
572 "'+'", | |
573 "'-'", | |
574 "'*'", | |
575 "'/'", | |
576 "", | |
577 | |
578 }; | |
579 | |
580 #ifndef MISSING_FORMAT | |
581 #define MISSING_FORMAT "Missing %s" | |
582 #endif | |
583 #ifndef UNEXPECTED_FORMAT | |
584 #define UNEXPECTED_FORMAT "Unexpected %s" | |
585 #endif | |
586 #ifndef UNNAMED_TOKEN | |
587 #define UNNAMED_TOKEN "input" | |
588 #endif | |
589 | |
590 | |
591 static void ag_diagnose(void) { | |
592 int ag_snd = (PCB).sn; | |
593 int ag_k = ag_sbt[ag_snd]; | |
594 | |
595 if (*TOKEN_NAMES[ag_tstt[ag_k]] && ag_astt[ag_k + 1] == ag_action_8) { | |
596 sprintf((PCB).ag_msg, MISSING_FORMAT, TOKEN_NAMES[ag_tstt[ag_k]]); | |
597 } | |
598 else if (ag_astt[ag_sbe[(PCB).sn]] == ag_action_8 | |
599 && (ag_k = (int) ag_sbe[(PCB).sn] + 1) == (int) ag_sbt[(PCB).sn+1] - 1 | |
600 && *TOKEN_NAMES[ag_tstt[ag_k]]) { | |
601 sprintf((PCB).ag_msg, MISSING_FORMAT, TOKEN_NAMES[ag_tstt[ag_k]]); | |
602 } | |
603 else if ((PCB).token_number && *TOKEN_NAMES[(PCB).token_number]) { | |
604 sprintf((PCB).ag_msg, UNEXPECTED_FORMAT, TOKEN_NAMES[(PCB).token_number]); | |
605 } | |
606 else if (isprint((*(PCB).lab)) && (*(PCB).lab) != '\\') { | |
607 char buf[20]; | |
608 sprintf(buf, "\'%c\'", (char) (*(PCB).lab)); | |
609 sprintf((PCB).ag_msg, UNEXPECTED_FORMAT, buf); | |
610 } | |
611 else sprintf((PCB).ag_msg, UNEXPECTED_FORMAT, UNNAMED_TOKEN); | |
612 (PCB).error_message = (PCB).ag_msg; | |
613 | |
614 | |
615 } | |
616 static int ag_action_1_r_proc(void); | |
617 static int ag_action_2_r_proc(void); | |
618 static int ag_action_3_r_proc(void); | |
619 static int ag_action_4_r_proc(void); | |
620 static int ag_action_1_s_proc(void); | |
621 static int ag_action_3_s_proc(void); | |
622 static int ag_action_1_proc(void); | |
623 static int ag_action_2_proc(void); | |
624 static int ag_action_3_proc(void); | |
625 static int ag_action_4_proc(void); | |
626 static int ag_action_5_proc(void); | |
627 static int ag_action_6_proc(void); | |
628 static int ag_action_7_proc(void); | |
629 static int ag_action_8_proc(void); | |
630 static int ag_action_9_proc(void); | |
631 static int ag_action_10_proc(void); | |
632 static int ag_action_11_proc(void); | |
633 static int ag_action_8_proc(void); | |
634 | |
635 | |
636 static int (*const ag_r_procs_scan[])(void) = { | |
637 ag_action_1_r_proc, | |
638 ag_action_2_r_proc, | |
639 ag_action_3_r_proc, | |
640 ag_action_4_r_proc | |
641 }; | |
642 | |
643 static int (*const ag_s_procs_scan[])(void) = { | |
644 ag_action_1_s_proc, | |
645 ag_action_2_r_proc, | |
646 ag_action_3_s_proc, | |
647 ag_action_4_r_proc | |
648 }; | |
649 | |
650 static int (*const ag_gt_procs_scan[])(void) = { | |
651 ag_action_1_proc, | |
652 ag_action_2_proc, | |
653 ag_action_3_proc, | |
654 ag_action_4_proc, | |
655 ag_action_5_proc, | |
656 ag_action_6_proc, | |
657 ag_action_7_proc, | |
658 ag_action_8_proc, | |
659 ag_action_9_proc, | |
660 ag_action_10_proc, | |
661 ag_action_11_proc, | |
662 ag_action_8_proc | |
663 }; | |
664 | |
665 | |
666 static int ag_action_1_er_proc(void); | |
667 static int ag_action_2_er_proc(void); | |
668 static int ag_action_3_er_proc(void); | |
669 static int ag_action_4_er_proc(void); | |
670 | |
671 static int (*const ag_er_procs_scan[])(void) = { | |
672 ag_action_1_er_proc, | |
673 ag_action_2_er_proc, | |
674 ag_action_3_er_proc, | |
675 ag_action_4_er_proc | |
676 }; | |
677 | |
678 | |
679 static void ag_error_resynch(void) { | |
680 int ag_k; | |
681 int ag_ssx = (PCB).ssx; | |
682 | |
683 ag_diagnose(); | |
684 SYNTAX_ERROR; | |
685 if ((PCB).exit_flag != AG_RUNNING_CODE) return; | |
686 while (1) { | |
687 ag_k = ag_sbt[(PCB).sn]; | |
688 while (ag_tstt[ag_k] != 19 && ag_tstt[ag_k]) ag_k++; | |
689 if (ag_tstt[ag_k] || (PCB).ssx == 0) break; | |
690 (PCB).sn = (PCB).ss[--(PCB).ssx]; | |
691 } | |
692 if (ag_tstt[ag_k] == 0) { | |
693 (PCB).sn = PCB.ss[(PCB).ssx = ag_ssx]; | |
694 (PCB).exit_flag = AG_SYNTAX_ERROR_CODE; | |
695 return; | |
696 } | |
697 ag_k = ag_sbt[(PCB).sn]; | |
698 while (ag_tstt[ag_k] != 19 && ag_tstt[ag_k]) ag_k++; | |
699 (PCB).ag_ap = ag_pstt[ag_k]; | |
700 (ag_er_procs_scan[ag_astt[ag_k]])(); | |
701 while (1) { | |
702 ag_k = ag_sbt[(PCB).sn]; | |
703 while (ag_tstt[ag_k] != (unsigned char) (PCB).token_number && ag_tstt[ag_k]) | |
704 ag_k++; | |
705 if (ag_tstt[ag_k] && ag_astt[ag_k] != ag_action_10) break; | |
706 if ((PCB).token_number == 15) | |
707 {(PCB).exit_flag = AG_SYNTAX_ERROR_CODE; return;} | |
708 {(PCB).rx = 1; ag_track();} | |
709 if ((PCB).rx < (PCB).fx) { | |
710 (PCB).input_code = (PCB).lab[(PCB).rx++]; | |
711 (PCB).token_number = (ffcalcx_token_type) AG_TCV((PCB).input_code);} | |
712 else { | |
713 GET_INPUT; | |
714 (PCB).lab[(PCB).fx++] = (PCB).input_code; | |
715 (PCB).token_number = (ffcalcx_token_type) AG_TCV((PCB).input_code); | |
716 (PCB).rx++; | |
717 } | |
718 if (ag_key_index[(PCB).sn]) { | |
719 unsigned ag_k = ag_key_index[(PCB).sn]; | |
720 int ag_ch = CONVERT_CASE((PCB).input_code); | |
721 if (ag_ch < 255) { | |
722 while (ag_key_ch[ag_k] < ag_ch) ag_k++; | |
723 if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k); | |
724 } | |
725 } | |
726 } | |
727 (PCB).rx = 0; | |
728 } | |
729 | |
730 | |
731 static int ag_action_10_proc(void) { | |
732 int ag_t = (PCB).token_number; | |
733 (PCB).btsx = 0, (PCB).drt = -1; | |
734 do { | |
735 ag_track(); | |
736 if ((PCB).rx < (PCB).fx) { | |
737 (PCB).input_code = (PCB).lab[(PCB).rx++]; | |
738 (PCB).token_number = (ffcalcx_token_type) AG_TCV((PCB).input_code);} | |
739 else { | |
740 GET_INPUT; | |
741 (PCB).lab[(PCB).fx++] = (PCB).input_code; | |
742 (PCB).token_number = (ffcalcx_token_type) AG_TCV((PCB).input_code); | |
743 (PCB).rx++; | |
744 } | |
745 if (ag_key_index[(PCB).sn]) { | |
746 unsigned ag_k = ag_key_index[(PCB).sn]; | |
747 int ag_ch = CONVERT_CASE((PCB).input_code); | |
748 if (ag_ch < 255) { | |
749 while (ag_key_ch[ag_k] < ag_ch) ag_k++; | |
750 if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k); | |
751 } | |
752 } | |
753 } while ((PCB).token_number == (ffcalcx_token_type) ag_t); | |
754 (PCB).rx = 0; | |
755 return 1; | |
756 } | |
757 | |
758 static int ag_action_11_proc(void) { | |
759 int ag_t = (PCB).token_number; | |
760 | |
761 (PCB).btsx = 0, (PCB).drt = -1; | |
762 do { | |
763 (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).lab; | |
764 (PCB).ssx--; | |
765 ag_track(); | |
766 ag_ra(); | |
767 if ((PCB).exit_flag != AG_RUNNING_CODE) return 0; | |
768 (PCB).ssx++; | |
769 if ((PCB).rx < (PCB).fx) { | |
770 (PCB).input_code = (PCB).lab[(PCB).rx++]; | |
771 (PCB).token_number = (ffcalcx_token_type) AG_TCV((PCB).input_code);} | |
772 else { | |
773 GET_INPUT; | |
774 (PCB).lab[(PCB).fx++] = (PCB).input_code; | |
775 (PCB).token_number = (ffcalcx_token_type) AG_TCV((PCB).input_code); | |
776 (PCB).rx++; | |
777 } | |
778 if (ag_key_index[(PCB).sn]) { | |
779 unsigned ag_k = ag_key_index[(PCB).sn]; | |
780 int ag_ch = CONVERT_CASE((PCB).input_code); | |
781 if (ag_ch < 255) { | |
782 while (ag_key_ch[ag_k] < ag_ch) ag_k++; | |
783 if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k); | |
784 } | |
785 } | |
786 } | |
787 while ((PCB).token_number == (ffcalcx_token_type) ag_t); | |
788 (PCB).rx = 0; | |
789 return 1; | |
790 } | |
791 | |
792 static int ag_action_3_r_proc(void) { | |
793 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
794 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
795 (PCB).btsx = 0, (PCB).drt = -1; | |
796 (PCB).reduction_token = (ffcalcx_token_type) ag_ptt[(PCB).ag_ap]; | |
797 ag_ra(); | |
798 return (PCB).exit_flag == AG_RUNNING_CODE; | |
799 } | |
800 | |
801 static int ag_action_3_s_proc(void) { | |
802 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
803 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
804 (PCB).btsx = 0, (PCB).drt = -1; | |
805 (PCB).reduction_token = (ffcalcx_token_type) ag_ptt[(PCB).ag_ap]; | |
806 ag_ra(); | |
807 return (PCB).exit_flag == AG_RUNNING_CODE; | |
808 } | |
809 | |
810 static int ag_action_4_r_proc(void) { | |
811 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
812 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
813 (PCB).reduction_token = (ffcalcx_token_type) ag_ptt[(PCB).ag_ap]; | |
814 return 1; | |
815 } | |
816 | |
817 static int ag_action_2_proc(void) { | |
818 (PCB).btsx = 0, (PCB).drt = -1; | |
819 if ((PCB).ssx >= 128) { | |
820 (PCB).exit_flag = AG_STACK_ERROR_CODE; | |
821 PARSER_STACK_OVERFLOW; | |
822 } | |
823 (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).lab; | |
824 (PCB).ss[(PCB).ssx] = (PCB).sn; | |
825 (PCB).ssx++; | |
826 (PCB).sn = (PCB).ag_ap; | |
827 ag_track(); | |
828 return 0; | |
829 } | |
830 | |
831 static int ag_action_9_proc(void) { | |
832 if ((PCB).drt == -1) { | |
833 (PCB).drt=(PCB).token_number; | |
834 (PCB).dssx=(PCB).ssx; | |
835 (PCB).dsn=(PCB).sn; | |
836 } | |
837 ag_prot(); | |
838 (PCB).vs[(PCB).ssx] = ag_null_value; | |
839 (PCB).ss[(PCB).ssx] = (PCB).sn; | |
840 (PCB).ssx++; | |
841 (PCB).sn = (PCB).ag_ap; | |
842 (PCB).rx = 0; | |
843 return (PCB).exit_flag == AG_RUNNING_CODE; | |
844 } | |
845 | |
846 static int ag_action_2_r_proc(void) { | |
847 (PCB).ssx++; | |
848 (PCB).sn = (PCB).ag_ap; | |
849 return 0; | |
850 } | |
851 | |
852 static int ag_action_7_proc(void) { | |
853 --(PCB).ssx; | |
854 (PCB).rx = 0; | |
855 (PCB).exit_flag = AG_SUCCESS_CODE; | |
856 return 0; | |
857 } | |
858 | |
859 static int ag_action_1_proc(void) { | |
860 ag_track(); | |
861 (PCB).exit_flag = AG_SUCCESS_CODE; | |
862 return 0; | |
863 } | |
864 | |
865 static int ag_action_1_r_proc(void) { | |
866 (PCB).exit_flag = AG_SUCCESS_CODE; | |
867 return 0; | |
868 } | |
869 | |
870 static int ag_action_1_s_proc(void) { | |
871 (PCB).exit_flag = AG_SUCCESS_CODE; | |
872 return 0; | |
873 } | |
874 | |
875 static int ag_action_4_proc(void) { | |
876 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
877 (PCB).reduction_token = (ffcalcx_token_type) ag_ptt[(PCB).ag_ap]; | |
878 (PCB).btsx = 0, (PCB).drt = -1; | |
879 (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).lab; | |
880 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
881 else (PCB).ss[(PCB).ssx] = (PCB).sn; | |
882 ag_track(); | |
883 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
884 unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; | |
885 unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; | |
886 do { | |
887 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
888 if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; | |
889 else ag_t2 = ag_tx; | |
890 } while (ag_t1 < ag_t2); | |
891 (PCB).ag_ap = ag_pstt[ag_t1]; | |
892 if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break; | |
893 } | |
894 return 0; | |
895 } | |
896 | |
897 static int ag_action_3_proc(void) { | |
898 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
899 (PCB).btsx = 0, (PCB).drt = -1; | |
900 (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).lab; | |
901 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
902 else (PCB).ss[(PCB).ssx] = (PCB).sn; | |
903 ag_track(); | |
904 (PCB).reduction_token = (ffcalcx_token_type) ag_ptt[(PCB).ag_ap]; | |
905 ag_ra(); | |
906 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
907 unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; | |
908 unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; | |
909 do { | |
910 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
911 if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; | |
912 else ag_t2 = ag_tx; | |
913 } while (ag_t1 < ag_t2); | |
914 (PCB).ag_ap = ag_pstt[ag_t1]; | |
915 if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break; | |
916 } | |
917 return 0; | |
918 } | |
919 | |
920 static int ag_action_8_proc(void) { | |
921 int ag_k = ag_sbt[(PCB).sn]; | |
922 while (ag_tstt[ag_k] != 19 && ag_tstt[ag_k]) ag_k++; | |
923 if (ag_tstt[ag_k] == 0) ag_undo(); | |
924 (PCB).rx = 0; | |
925 ag_error_resynch(); | |
926 return (PCB).exit_flag == AG_RUNNING_CODE; | |
927 } | |
928 | |
929 static int ag_action_5_proc(void) { | |
930 int ag_sd = ag_fl[(PCB).ag_ap]; | |
931 (PCB).btsx = 0, (PCB).drt = -1; | |
932 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
933 else { | |
934 (PCB).ss[(PCB).ssx] = (PCB).sn; | |
935 } | |
936 (PCB).rx = 0; | |
937 (PCB).reduction_token = (ffcalcx_token_type) ag_ptt[(PCB).ag_ap]; | |
938 ag_ra(); | |
939 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
940 unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; | |
941 unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; | |
942 do { | |
943 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
944 if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; | |
945 else ag_t2 = ag_tx; | |
946 } while (ag_t1 < ag_t2); | |
947 (PCB).ag_ap = ag_pstt[ag_t1]; | |
948 if ((ag_r_procs_scan[ag_astt[ag_t1]])() == 0) break; | |
949 } | |
950 return (PCB).exit_flag == AG_RUNNING_CODE; | |
951 } | |
952 | |
953 static int ag_action_6_proc(void) { | |
954 int ag_sd = ag_fl[(PCB).ag_ap]; | |
955 (PCB).reduction_token = (ffcalcx_token_type) ag_ptt[(PCB).ag_ap]; | |
956 if ((PCB).drt == -1) { | |
957 (PCB).drt=(PCB).token_number; | |
958 (PCB).dssx=(PCB).ssx; | |
959 (PCB).dsn=(PCB).sn; | |
960 } | |
961 if (ag_sd) { | |
962 (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
963 } | |
964 else { | |
965 ag_prot(); | |
966 (PCB).vs[(PCB).ssx] = ag_null_value; | |
967 (PCB).ss[(PCB).ssx] = (PCB).sn; | |
968 } | |
969 (PCB).rx = 0; | |
970 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
971 unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; | |
972 unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; | |
973 do { | |
974 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
975 if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; | |
976 else ag_t2 = ag_tx; | |
977 } while (ag_t1 < ag_t2); | |
978 (PCB).ag_ap = ag_pstt[ag_t1]; | |
979 if ((ag_r_procs_scan[ag_astt[ag_t1]])() == 0) break; | |
980 } | |
981 return (PCB).exit_flag == AG_RUNNING_CODE; | |
982 } | |
983 | |
984 | |
985 static int ag_action_2_er_proc(void) { | |
986 (PCB).btsx = 0, (PCB).drt = -1; | |
987 (*(int *) &(PCB).vs[(PCB).ssx]) = *(PCB).lab; | |
988 (PCB).ssx++; | |
989 (PCB).sn = (PCB).ag_ap; | |
990 return 0; | |
991 } | |
992 | |
993 static int ag_action_1_er_proc(void) { | |
994 (PCB).btsx = 0, (PCB).drt = -1; | |
995 (PCB).exit_flag = AG_SUCCESS_CODE; | |
996 return 0; | |
997 } | |
998 | |
999 static int ag_action_4_er_proc(void) { | |
1000 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
1001 (PCB).btsx = 0, (PCB).drt = -1; | |
1002 (PCB).reduction_token = (ffcalcx_token_type) ag_ptt[(PCB).ag_ap]; | |
1003 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
1004 else (PCB).ss[(PCB).ssx] = (PCB).sn; | |
1005 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
1006 unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; | |
1007 unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; | |
1008 do { | |
1009 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
1010 if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; | |
1011 else ag_t2 = ag_tx; | |
1012 } while (ag_t1 < ag_t2); | |
1013 (PCB).ag_ap = ag_pstt[ag_t1]; | |
1014 if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break; | |
1015 } | |
1016 return 0; | |
1017 } | |
1018 | |
1019 static int ag_action_3_er_proc(void) { | |
1020 int ag_sd = ag_fl[(PCB).ag_ap] - 1; | |
1021 (PCB).btsx = 0, (PCB).drt = -1; | |
1022 if (ag_sd) (PCB).sn = (PCB).ss[(PCB).ssx -= ag_sd]; | |
1023 else (PCB).ss[(PCB).ssx] = (PCB).sn; | |
1024 (PCB).reduction_token = (ffcalcx_token_type) ag_ptt[(PCB).ag_ap]; | |
1025 ag_ra(); | |
1026 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
1027 unsigned ag_t1 = ag_sbe[(PCB).sn] + 1; | |
1028 unsigned ag_t2 = ag_sbt[(PCB).sn+1] - 1; | |
1029 do { | |
1030 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
1031 if (ag_tstt[ag_tx] < (unsigned char)(PCB).reduction_token) ag_t1 = ag_tx + 1; | |
1032 else ag_t2 = ag_tx; | |
1033 } while (ag_t1 < ag_t2); | |
1034 (PCB).ag_ap = ag_pstt[ag_t1]; | |
1035 if ((ag_s_procs_scan[ag_astt[ag_t1]])() == 0) break; | |
1036 } | |
1037 return 0; | |
1038 } | |
1039 | |
1040 | |
1041 void init_ffcalcx(void) { | |
1042 (PCB).rx = (PCB).fx = 0; | |
1043 (PCB).ss[0] = (PCB).sn = (PCB).ssx = 0; | |
1044 (PCB).exit_flag = AG_RUNNING_CODE; | |
1045 (PCB).line = FIRST_LINE; | |
1046 (PCB).column = FIRST_COLUMN; | |
1047 (PCB).btsx = 0, (PCB).drt = -1; | |
1048 } | |
1049 | |
1050 void ffcalcx(void) { | |
1051 init_ffcalcx(); | |
1052 (PCB).exit_flag = AG_RUNNING_CODE; | |
1053 while ((PCB).exit_flag == AG_RUNNING_CODE) { | |
1054 unsigned ag_t1 = ag_sbt[(PCB).sn]; | |
1055 if (ag_tstt[ag_t1]) { | |
1056 unsigned ag_t2 = ag_sbe[(PCB).sn] - 1; | |
1057 if ((PCB).rx < (PCB).fx) { | |
1058 (PCB).input_code = (PCB).lab[(PCB).rx++]; | |
1059 (PCB).token_number = (ffcalcx_token_type) AG_TCV((PCB).input_code);} | |
1060 else { | |
1061 GET_INPUT; | |
1062 (PCB).lab[(PCB).fx++] = (PCB).input_code; | |
1063 (PCB).token_number = (ffcalcx_token_type) AG_TCV((PCB).input_code); | |
1064 (PCB).rx++; | |
1065 } | |
1066 if (ag_key_index[(PCB).sn]) { | |
1067 unsigned ag_k = ag_key_index[(PCB).sn]; | |
1068 int ag_ch = CONVERT_CASE((PCB).input_code); | |
1069 if (ag_ch < 255) { | |
1070 while (ag_key_ch[ag_k] < ag_ch) ag_k++; | |
1071 if (ag_key_ch[ag_k] == ag_ch) ag_get_key_word(ag_k); | |
1072 } | |
1073 } | |
1074 do { | |
1075 unsigned ag_tx = (ag_t1 + ag_t2)/2; | |
1076 if (ag_tstt[ag_tx] > (unsigned char)(PCB).token_number) | |
1077 ag_t1 = ag_tx + 1; | |
1078 else ag_t2 = ag_tx; | |
1079 } while (ag_t1 < ag_t2); | |
1080 if (ag_tstt[ag_t1] != (unsigned char)(PCB).token_number) | |
1081 ag_t1 = ag_sbe[(PCB).sn]; | |
1082 } | |
1083 (PCB).ag_ap = ag_pstt[ag_t1]; | |
1084 (ag_gt_procs_scan[ag_astt[ag_t1]])(); | |
1085 } | |
1086 } | |
1087 | |
1088 |