… | |
… | |
28 | #endif |
28 | #endif |
29 | #if USE_MATH |
29 | #if USE_MATH |
30 | # include <math.h> |
30 | # include <math.h> |
31 | #endif |
31 | #endif |
32 | |
32 | |
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33 | #include "ecb.h" |
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34 | |
33 | #include <sys/types.h> |
35 | #include <sys/types.h> |
34 | #include <sys/stat.h> |
36 | #include <sys/stat.h> |
35 | #include <fcntl.h> |
37 | #include <fcntl.h> |
36 | |
38 | |
37 | #include <string.h> |
39 | #include <string.h> |
… | |
… | |
143 | |
145 | |
144 | #define toupper(c) xtoupper (c) |
146 | #define toupper(c) xtoupper (c) |
145 | #define tolower(c) xtolower (c) |
147 | #define tolower(c) xtolower (c) |
146 | #define isdigit(c) xisdigit (c) |
148 | #define isdigit(c) xisdigit (c) |
147 | |
149 | |
148 | #if USE_STRLWR |
150 | #if USE_IGNORECASE |
149 | static const char * |
151 | static const char * |
150 | strlwr (char *s) |
152 | xstrlwr (char *s) |
151 | { |
153 | { |
152 | const char *p = s; |
154 | const char *p = s; |
153 | |
155 | |
154 | while (*s) |
156 | while (*s) |
155 | { |
157 | { |
… | |
… | |
157 | s++; |
159 | s++; |
158 | } |
160 | } |
159 | |
161 | |
160 | return p; |
162 | return p; |
161 | } |
163 | } |
162 | #endif |
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163 | |
164 | |
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165 | #define stricmp(a,b) strcasecmp (a, b) |
|
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166 | #define strlwr(s) xstrlwr (s) |
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167 | |
|
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168 | #else |
164 | #define stricmp(a,b) strcmp (a, b) |
169 | # define stricmp(a,b) strcmp (a, b) |
165 | #define strlwr(s) (s) |
170 | # define strlwr(s) (s) |
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|
171 | #endif |
166 | |
172 | |
167 | #ifndef prompt |
173 | #ifndef prompt |
168 | # define prompt "ts> " |
174 | # define prompt "ts> " |
169 | #endif |
175 | #endif |
170 | |
176 | |
… | |
… | |
201 | #define T_SYNTAX 0x0010 |
207 | #define T_SYNTAX 0x0010 |
202 | #define T_IMMUTABLE 0x0020 |
208 | #define T_IMMUTABLE 0x0020 |
203 | #define T_ATOM 0x0040 /* only for gc */ |
209 | #define T_ATOM 0x0040 /* only for gc */ |
204 | #define T_MARK 0x0080 /* only for gc */ |
210 | #define T_MARK 0x0080 /* only for gc */ |
205 | |
211 | |
206 | static num num_add (num a, num b); |
212 | enum num_op { NUM_ADD, NUM_SUB, NUM_MUL, NUM_INTDIV }; |
207 | static num num_mul (num a, num b); |
213 | |
208 | static num num_div (num a, num b); |
214 | static num num_op (enum num_op op, num a, num b); |
209 | static num num_intdiv (num a, num b); |
215 | static num num_intdiv (num a, num b); |
210 | static num num_sub (num a, num b); |
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|
211 | static num num_rem (num a, num b); |
216 | static num num_rem (num a, num b); |
212 | static num num_mod (num a, num b); |
217 | static num num_mod (num a, num b); |
213 | static int num_eq (num a, num b); |
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|
214 | static int num_gt (num a, num b); |
|
|
215 | static int num_ge (num a, num b); |
|
|
216 | static int num_lt (num a, num b); |
|
|
217 | static int num_le (num a, num b); |
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218 | |
218 | |
219 | #if USE_MATH |
219 | #if USE_MATH |
220 | static double round_per_R5RS (double x); |
220 | static double round_per_R5RS (double x); |
221 | #endif |
221 | #endif |
222 | static int is_zero_rvalue (RVALUE x); |
222 | static int is_zero_rvalue (RVALUE x); |
223 | |
|
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224 | static INLINE int |
|
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225 | num_is_integer (pointer p) |
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226 | { |
|
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227 | return num_is_fixnum (p->object.number); |
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228 | } |
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229 | |
223 | |
230 | static num num_zero; |
224 | static num num_zero; |
231 | static num num_one; |
225 | static num num_one; |
232 | |
226 | |
233 | /* macros for cell operations */ |
227 | /* macros for cell operations */ |
234 | #define typeflag(p) ((p)->flag + 0) |
228 | #define typeflag(p) ((p)->flag + 0) |
235 | #define set_typeflag(p,v) ((p)->flag = (v)) |
229 | #define set_typeflag(p,v) ((p)->flag = (v)) |
236 | #define type(p) (typeflag (p) & T_MASKTYPE) |
230 | #define type(p) (typeflag (p) & T_MASKTYPE) |
237 | |
231 | |
238 | INTERFACE INLINE int |
232 | INTERFACE int |
239 | is_string (pointer p) |
233 | is_string (pointer p) |
240 | { |
234 | { |
241 | return type (p) == T_STRING; |
235 | return type (p) == T_STRING; |
242 | } |
236 | } |
243 | |
237 | |
244 | #define strvalue(p) ((p)->object.string.svalue) |
238 | #define strvalue(p) ((p)->object.string.svalue) |
245 | #define strlength(p) ((p)->object.string.length) |
239 | #define strlength(p) ((p)->object.string.length) |
246 | |
240 | |
247 | INTERFACE int is_list (SCHEME_P_ pointer p); |
241 | INTERFACE int is_list (SCHEME_P_ pointer p); |
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242 | |
248 | INTERFACE INLINE int |
243 | INTERFACE int |
249 | is_vector (pointer p) |
244 | is_vector (pointer p) |
250 | { |
245 | { |
251 | return type (p) == T_VECTOR; |
246 | return type (p) == T_VECTOR; |
252 | } |
247 | } |
253 | |
248 | |
… | |
… | |
262 | vector_length (pointer vec) |
257 | vector_length (pointer vec) |
263 | { |
258 | { |
264 | return vec->object.vector.length; |
259 | return vec->object.vector.length; |
265 | } |
260 | } |
266 | |
261 | |
267 | INTERFACE INLINE int |
262 | INTERFACE int |
268 | is_number (pointer p) |
263 | is_number (pointer p) |
269 | { |
264 | { |
270 | return type (p) == T_NUMBER; |
265 | return type (p) == T_NUMBER; |
271 | } |
266 | } |
272 | |
267 | |
273 | INTERFACE INLINE int |
268 | INTERFACE int |
274 | is_integer (pointer p) |
269 | is_integer (pointer p) |
275 | { |
270 | { |
276 | if (!is_number (p)) |
271 | return is_number (p) && num_is_fixnum (p->object.number); |
277 | return 0; |
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|
278 | |
|
|
279 | if (num_is_integer (p) || ivalue (p) == rvalue (p)) |
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|
280 | return 1; |
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281 | |
|
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282 | return 0; |
|
|
283 | } |
272 | } |
284 | |
273 | |
285 | INTERFACE INLINE int |
274 | INTERFACE int |
286 | is_real (pointer p) |
275 | is_real (pointer p) |
287 | { |
276 | { |
288 | return is_number (p) && !num_is_fixnum (p->object.number); |
277 | return is_number (p) && !num_is_fixnum (p->object.number); |
289 | } |
278 | } |
290 | |
279 | |
291 | INTERFACE INLINE int |
280 | INTERFACE int |
292 | is_character (pointer p) |
281 | is_character (pointer p) |
293 | { |
282 | { |
294 | return type (p) == T_CHARACTER; |
283 | return type (p) == T_CHARACTER; |
295 | } |
284 | } |
296 | |
285 | |
297 | INTERFACE INLINE char * |
286 | INTERFACE char * |
298 | string_value (pointer p) |
287 | string_value (pointer p) |
299 | { |
288 | { |
300 | return strvalue (p); |
289 | return strvalue (p); |
301 | } |
290 | } |
302 | |
291 | |
303 | INLINE num |
292 | ecb_inline num |
304 | nvalue (pointer p) |
293 | nvalue (pointer p) |
305 | { |
294 | { |
306 | return (p)->object.number; |
295 | return (p)->object.number; |
307 | } |
296 | } |
308 | |
297 | |
… | |
… | |
338 | #else |
327 | #else |
339 | # define rvalue_unchecked(p) ((p)->object.number.value.ivalue) |
328 | # define rvalue_unchecked(p) ((p)->object.number.value.ivalue) |
340 | # define set_num_integer(p) 0 |
329 | # define set_num_integer(p) 0 |
341 | # define set_num_real(p) 0 |
330 | # define set_num_real(p) 0 |
342 | #endif |
331 | #endif |
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|
332 | |
343 | INTERFACE long |
333 | INTERFACE long |
344 | charvalue (pointer p) |
334 | charvalue (pointer p) |
345 | { |
335 | { |
346 | return ivalue_unchecked (p); |
336 | return ivalue_unchecked (p); |
347 | } |
337 | } |
348 | |
338 | |
349 | INTERFACE INLINE int |
339 | INTERFACE int |
350 | is_port (pointer p) |
340 | is_port (pointer p) |
351 | { |
341 | { |
352 | return type (p) == T_PORT; |
342 | return type (p) == T_PORT; |
353 | } |
343 | } |
354 | |
344 | |
355 | INTERFACE INLINE int |
345 | INTERFACE int |
356 | is_inport (pointer p) |
346 | is_inport (pointer p) |
357 | { |
347 | { |
358 | return is_port (p) && p->object.port->kind & port_input; |
348 | return is_port (p) && p->object.port->kind & port_input; |
359 | } |
349 | } |
360 | |
350 | |
361 | INTERFACE INLINE int |
351 | INTERFACE int |
362 | is_outport (pointer p) |
352 | is_outport (pointer p) |
363 | { |
353 | { |
364 | return is_port (p) && p->object.port->kind & port_output; |
354 | return is_port (p) && p->object.port->kind & port_output; |
365 | } |
355 | } |
366 | |
356 | |
367 | INTERFACE INLINE int |
357 | INTERFACE int |
368 | is_pair (pointer p) |
358 | is_pair (pointer p) |
369 | { |
359 | { |
370 | return type (p) == T_PAIR; |
360 | return type (p) == T_PAIR; |
371 | } |
361 | } |
372 | |
362 | |
373 | #define car(p) ((p)->object.cons.car + 0) |
363 | #define car(p) ((p)->object.cons.car + 0) |
374 | #define cdr(p) ((p)->object.cons.cdr) /* find_consecutive_cells uses &cdr */ |
364 | #define cdr(p) ((p)->object.cons.cdr + 0) |
375 | |
365 | |
376 | #define caar(p) car (car (p)) |
366 | static pointer caar (pointer p) { return car (car (p)); } |
377 | #define cadr(p) car (cdr (p)) |
367 | static pointer cadr (pointer p) { return car (cdr (p)); } |
378 | #define cdar(p) cdr (car (p)) |
368 | static pointer cdar (pointer p) { return cdr (car (p)); } |
379 | #define cddr(p) cdr (cdr (p)) |
369 | static pointer cddr (pointer p) { return cdr (cdr (p)); } |
380 | |
370 | |
381 | #define cadar(p) car (cdr (car (p))) |
371 | static pointer cadar (pointer p) { return car (cdr (car (p))); } |
382 | #define caddr(p) car (cdr (cdr (p))) |
372 | static pointer caddr (pointer p) { return car (cdr (cdr (p))); } |
383 | #define cdaar(p) cdr (car (car (p))) |
373 | static pointer cdaar (pointer p) { return cdr (car (car (p))); } |
384 | |
374 | |
385 | INTERFACE void |
375 | INTERFACE void |
386 | set_car (pointer p, pointer q) |
376 | set_car (pointer p, pointer q) |
387 | { |
377 | { |
388 | p->object.cons.car = q; |
378 | p->object.cons.car = q; |
… | |
… | |
404 | pair_cdr (pointer p) |
394 | pair_cdr (pointer p) |
405 | { |
395 | { |
406 | return cdr (p); |
396 | return cdr (p); |
407 | } |
397 | } |
408 | |
398 | |
409 | INTERFACE INLINE int |
399 | INTERFACE int |
410 | is_symbol (pointer p) |
400 | is_symbol (pointer p) |
411 | { |
401 | { |
412 | return type (p) == T_SYMBOL; |
402 | return type (p) == T_SYMBOL; |
413 | } |
403 | } |
414 | |
404 | |
415 | INTERFACE INLINE char * |
405 | INTERFACE char * |
416 | symname (pointer p) |
406 | symname (pointer p) |
417 | { |
407 | { |
418 | return strvalue (car (p)); |
408 | return strvalue (car (p)); |
419 | } |
409 | } |
420 | |
410 | |
421 | #if USE_PLIST |
411 | #if USE_PLIST |
422 | SCHEME_EXPORT INLINE int |
412 | SCHEME_EXPORT int |
423 | hasprop (pointer p) |
413 | hasprop (pointer p) |
424 | { |
414 | { |
425 | return typeflag (p) & T_SYMBOL; |
415 | return typeflag (p) & T_SYMBOL; |
426 | } |
416 | } |
427 | |
417 | |
428 | # define symprop(p) cdr(p) |
418 | # define symprop(p) cdr(p) |
429 | #endif |
419 | #endif |
430 | |
420 | |
431 | INTERFACE INLINE int |
421 | INTERFACE int |
432 | is_syntax (pointer p) |
422 | is_syntax (pointer p) |
433 | { |
423 | { |
434 | return typeflag (p) & T_SYNTAX; |
424 | return typeflag (p) & T_SYNTAX; |
435 | } |
425 | } |
436 | |
426 | |
437 | INTERFACE INLINE int |
427 | INTERFACE int |
438 | is_proc (pointer p) |
428 | is_proc (pointer p) |
439 | { |
429 | { |
440 | return type (p) == T_PROC; |
430 | return type (p) == T_PROC; |
441 | } |
431 | } |
442 | |
432 | |
443 | INTERFACE INLINE int |
433 | INTERFACE int |
444 | is_foreign (pointer p) |
434 | is_foreign (pointer p) |
445 | { |
435 | { |
446 | return type (p) == T_FOREIGN; |
436 | return type (p) == T_FOREIGN; |
447 | } |
437 | } |
448 | |
438 | |
449 | INTERFACE INLINE char * |
439 | INTERFACE char * |
450 | syntaxname (pointer p) |
440 | syntaxname (pointer p) |
451 | { |
441 | { |
452 | return strvalue (car (p)); |
442 | return strvalue (car (p)); |
453 | } |
443 | } |
454 | |
444 | |
455 | #define procnum(p) ivalue (p) |
445 | #define procnum(p) ivalue (p) |
456 | static const char *procname (pointer x); |
446 | static const char *procname (pointer x); |
457 | |
447 | |
458 | INTERFACE INLINE int |
448 | INTERFACE int |
459 | is_closure (pointer p) |
449 | is_closure (pointer p) |
460 | { |
450 | { |
461 | return type (p) == T_CLOSURE; |
451 | return type (p) == T_CLOSURE; |
462 | } |
452 | } |
463 | |
453 | |
464 | INTERFACE INLINE int |
454 | INTERFACE int |
465 | is_macro (pointer p) |
455 | is_macro (pointer p) |
466 | { |
456 | { |
467 | return type (p) == T_MACRO; |
457 | return type (p) == T_MACRO; |
468 | } |
458 | } |
469 | |
459 | |
470 | INTERFACE INLINE pointer |
460 | INTERFACE pointer |
471 | closure_code (pointer p) |
461 | closure_code (pointer p) |
472 | { |
462 | { |
473 | return car (p); |
463 | return car (p); |
474 | } |
464 | } |
475 | |
465 | |
476 | INTERFACE INLINE pointer |
466 | INTERFACE pointer |
477 | closure_env (pointer p) |
467 | closure_env (pointer p) |
478 | { |
468 | { |
479 | return cdr (p); |
469 | return cdr (p); |
480 | } |
470 | } |
481 | |
471 | |
482 | INTERFACE INLINE int |
472 | INTERFACE int |
483 | is_continuation (pointer p) |
473 | is_continuation (pointer p) |
484 | { |
474 | { |
485 | return type (p) == T_CONTINUATION; |
475 | return type (p) == T_CONTINUATION; |
486 | } |
476 | } |
487 | |
477 | |
488 | #define cont_dump(p) cdr (p) |
478 | #define cont_dump(p) cdr (p) |
489 | #define set_cont_dump(p,v) set_cdr ((p), (v)) |
479 | #define set_cont_dump(p,v) set_cdr ((p), (v)) |
490 | |
480 | |
491 | /* To do: promise should be forced ONCE only */ |
481 | /* To do: promise should be forced ONCE only */ |
492 | INTERFACE INLINE int |
482 | INTERFACE int |
493 | is_promise (pointer p) |
483 | is_promise (pointer p) |
494 | { |
484 | { |
495 | return type (p) == T_PROMISE; |
485 | return type (p) == T_PROMISE; |
496 | } |
486 | } |
497 | |
487 | |
498 | INTERFACE INLINE int |
488 | INTERFACE int |
499 | is_environment (pointer p) |
489 | is_environment (pointer p) |
500 | { |
490 | { |
501 | return type (p) == T_ENVIRONMENT; |
491 | return type (p) == T_ENVIRONMENT; |
502 | } |
492 | } |
503 | |
493 | |
… | |
… | |
509 | |
499 | |
510 | #define is_mark(p) (typeflag (p) & T_MARK) |
500 | #define is_mark(p) (typeflag (p) & T_MARK) |
511 | #define setmark(p) set_typeflag ((p), typeflag (p) | T_MARK) |
501 | #define setmark(p) set_typeflag ((p), typeflag (p) | T_MARK) |
512 | #define clrmark(p) set_typeflag ((p), typeflag (p) & ~T_MARK) |
502 | #define clrmark(p) set_typeflag ((p), typeflag (p) & ~T_MARK) |
513 | |
503 | |
514 | INTERFACE INLINE int |
504 | INTERFACE int |
515 | is_immutable (pointer p) |
505 | is_immutable (pointer p) |
516 | { |
506 | { |
517 | return typeflag (p) & T_IMMUTABLE && USE_ERROR_CHECKING; |
507 | return typeflag (p) & T_IMMUTABLE && USE_ERROR_CHECKING; |
518 | } |
508 | } |
519 | |
509 | |
520 | INTERFACE INLINE void |
510 | INTERFACE void |
521 | setimmutable (pointer p) |
511 | setimmutable (pointer p) |
522 | { |
512 | { |
523 | #if USE_ERROR_CHECKING |
513 | #if USE_ERROR_CHECKING |
524 | set_typeflag (p, typeflag (p) | T_IMMUTABLE); |
514 | set_typeflag (p, typeflag (p) | T_IMMUTABLE); |
525 | #endif |
515 | #endif |
526 | } |
516 | } |
527 | |
517 | |
528 | #if USE_CHAR_CLASSIFIERS |
518 | #if USE_CHAR_CLASSIFIERS |
529 | static INLINE int |
519 | ecb_inline int |
530 | Cisalpha (int c) |
520 | Cisalpha (int c) |
531 | { |
521 | { |
532 | return isascii (c) && isalpha (c); |
522 | return isascii (c) && isalpha (c); |
533 | } |
523 | } |
534 | |
524 | |
535 | static INLINE int |
525 | ecb_inline int |
536 | Cisdigit (int c) |
526 | Cisdigit (int c) |
537 | { |
527 | { |
538 | return isascii (c) && isdigit (c); |
528 | return isascii (c) && isdigit (c); |
539 | } |
529 | } |
540 | |
530 | |
541 | static INLINE int |
531 | ecb_inline int |
542 | Cisspace (int c) |
532 | Cisspace (int c) |
543 | { |
533 | { |
544 | return isascii (c) && isspace (c); |
534 | return isascii (c) && isspace (c); |
545 | } |
535 | } |
546 | |
536 | |
547 | static INLINE int |
537 | ecb_inline int |
548 | Cisupper (int c) |
538 | Cisupper (int c) |
549 | { |
539 | { |
550 | return isascii (c) && isupper (c); |
540 | return isascii (c) && isupper (c); |
551 | } |
541 | } |
552 | |
542 | |
553 | static INLINE int |
543 | ecb_inline int |
554 | Cislower (int c) |
544 | Cislower (int c) |
555 | { |
545 | { |
556 | return isascii (c) && islower (c); |
546 | return isascii (c) && islower (c); |
557 | } |
547 | } |
558 | #endif |
548 | #endif |
… | |
… | |
619 | #endif |
609 | #endif |
620 | |
610 | |
621 | static int file_push (SCHEME_P_ const char *fname); |
611 | static int file_push (SCHEME_P_ const char *fname); |
622 | static void file_pop (SCHEME_P); |
612 | static void file_pop (SCHEME_P); |
623 | static int file_interactive (SCHEME_P); |
613 | static int file_interactive (SCHEME_P); |
624 | static INLINE int is_one_of (char *s, int c); |
614 | ecb_inline int is_one_of (char *s, int c); |
625 | static int alloc_cellseg (SCHEME_P_ int n); |
615 | static int alloc_cellseg (SCHEME_P_ int n); |
626 | static INLINE pointer get_cell (SCHEME_P_ pointer a, pointer b); |
616 | ecb_inline pointer get_cell (SCHEME_P_ pointer a, pointer b); |
627 | static void finalize_cell (SCHEME_P_ pointer a); |
617 | static void finalize_cell (SCHEME_P_ pointer a); |
628 | static int count_consecutive_cells (pointer x, int needed); |
618 | static int count_consecutive_cells (pointer x, int needed); |
629 | static pointer find_slot_in_env (SCHEME_P_ pointer env, pointer sym, int all); |
619 | static pointer find_slot_in_env (SCHEME_P_ pointer env, pointer sym, int all); |
630 | static pointer mk_number (SCHEME_P_ const num n); |
620 | static pointer mk_number (SCHEME_P_ const num n); |
631 | static char *store_string (SCHEME_P_ uint32_t len, const char *str, char fill); |
621 | static char *store_string (SCHEME_P_ uint32_t len, const char *str, char fill); |
… | |
… | |
648 | static int basic_inchar (port *pt); |
638 | static int basic_inchar (port *pt); |
649 | static int inchar (SCHEME_P); |
639 | static int inchar (SCHEME_P); |
650 | static void backchar (SCHEME_P_ int c); |
640 | static void backchar (SCHEME_P_ int c); |
651 | static char *readstr_upto (SCHEME_P_ char *delim); |
641 | static char *readstr_upto (SCHEME_P_ char *delim); |
652 | static pointer readstrexp (SCHEME_P); |
642 | static pointer readstrexp (SCHEME_P); |
653 | static INLINE int skipspace (SCHEME_P); |
643 | ecb_inline int skipspace (SCHEME_P); |
654 | static int token (SCHEME_P); |
644 | static int token (SCHEME_P); |
655 | static void printslashstring (SCHEME_P_ char *s, int len); |
645 | static void printslashstring (SCHEME_P_ char *s, int len); |
656 | static void atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen); |
646 | static void atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen); |
657 | static void printatom (SCHEME_P_ pointer l, int f); |
647 | static void printatom (SCHEME_P_ pointer l, int f); |
658 | static pointer mk_proc (SCHEME_P_ enum scheme_opcodes op); |
648 | static pointer mk_proc (SCHEME_P_ enum scheme_opcodes op); |
… | |
… | |
662 | static pointer reverse_in_place (SCHEME_P_ pointer term, pointer list); |
652 | static pointer reverse_in_place (SCHEME_P_ pointer term, pointer list); |
663 | static pointer revappend (SCHEME_P_ pointer a, pointer b); |
653 | static pointer revappend (SCHEME_P_ pointer a, pointer b); |
664 | static pointer ss_get_cont (SCHEME_P); |
654 | static pointer ss_get_cont (SCHEME_P); |
665 | static void ss_set_cont (SCHEME_P_ pointer cont); |
655 | static void ss_set_cont (SCHEME_P_ pointer cont); |
666 | static void dump_stack_mark (SCHEME_P); |
656 | static void dump_stack_mark (SCHEME_P); |
667 | static pointer opexe_0 (SCHEME_P_ enum scheme_opcodes op); |
657 | static int opexe_0 (SCHEME_P_ enum scheme_opcodes op); |
|
|
658 | static int opexe_1 (SCHEME_P_ enum scheme_opcodes op); |
668 | static pointer opexe_2 (SCHEME_P_ enum scheme_opcodes op); |
659 | static int opexe_2 (SCHEME_P_ enum scheme_opcodes op); |
669 | static pointer opexe_3 (SCHEME_P_ enum scheme_opcodes op); |
660 | static int opexe_3 (SCHEME_P_ enum scheme_opcodes op); |
670 | static pointer opexe_4 (SCHEME_P_ enum scheme_opcodes op); |
661 | static int opexe_4 (SCHEME_P_ enum scheme_opcodes op); |
671 | static pointer opexe_5 (SCHEME_P_ enum scheme_opcodes op); |
662 | static int opexe_5 (SCHEME_P_ enum scheme_opcodes op); |
672 | static pointer opexe_6 (SCHEME_P_ enum scheme_opcodes op); |
663 | static int opexe_6 (SCHEME_P_ enum scheme_opcodes op); |
673 | static void Eval_Cycle (SCHEME_P_ enum scheme_opcodes op); |
664 | static void Eval_Cycle (SCHEME_P_ enum scheme_opcodes op); |
674 | static void assign_syntax (SCHEME_P_ const char *name); |
665 | static void assign_syntax (SCHEME_P_ const char *name); |
675 | static int syntaxnum (pointer p); |
666 | static int syntaxnum (pointer p); |
676 | static void assign_proc (SCHEME_P_ enum scheme_opcodes, const char *name); |
667 | static void assign_proc (SCHEME_P_ enum scheme_opcodes, const char *name); |
677 | |
668 | |
678 | static num |
669 | static num |
679 | num_add (num a, num b) |
670 | num_op (enum num_op op, num a, num b) |
680 | { |
671 | { |
681 | num ret; |
672 | num ret; |
682 | |
673 | |
683 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
674 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
684 | |
675 | |
685 | if (num_is_fixnum (ret)) |
676 | if (num_is_fixnum (ret)) |
686 | num_set_ivalue (ret, num_get_ivalue (a) + num_get_ivalue (b)); |
677 | { |
|
|
678 | IVALUE av = num_get_ivalue (a); |
|
|
679 | IVALUE bv = num_get_ivalue (b); |
|
|
680 | |
|
|
681 | switch (op) |
|
|
682 | { |
|
|
683 | case NUM_ADD: av += bv; break; |
|
|
684 | case NUM_SUB: av -= bv; break; |
|
|
685 | case NUM_MUL: av *= bv; break; |
|
|
686 | case NUM_INTDIV: av /= bv; break; |
|
|
687 | } |
|
|
688 | |
|
|
689 | num_set_ivalue (ret, av); |
|
|
690 | } |
687 | else |
691 | else |
688 | num_set_rvalue (ret, num_get_rvalue (a) + num_get_rvalue (b)); |
692 | { |
|
|
693 | RVALUE av = num_get_rvalue (a); |
|
|
694 | RVALUE bv = num_get_rvalue (b); |
689 | |
695 | |
690 | return ret; |
696 | switch (op) |
691 | } |
697 | { |
|
|
698 | case NUM_ADD: av += bv; break; |
|
|
699 | case NUM_SUB: av -= bv; break; |
|
|
700 | case NUM_MUL: av *= bv; break; |
|
|
701 | case NUM_INTDIV: av /= bv; break; |
|
|
702 | } |
692 | |
703 | |
693 | static num |
704 | num_set_rvalue (ret, av); |
694 | num_mul (num a, num b) |
705 | } |
695 | { |
|
|
696 | num ret; |
|
|
697 | |
|
|
698 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
|
|
699 | |
|
|
700 | if (num_is_fixnum (ret)) |
|
|
701 | num_set_ivalue (ret, num_get_ivalue (a) * num_get_ivalue (b)); |
|
|
702 | else |
|
|
703 | num_set_rvalue (ret, num_get_rvalue (a) * num_get_rvalue (b)); |
|
|
704 | |
706 | |
705 | return ret; |
707 | return ret; |
706 | } |
708 | } |
707 | |
709 | |
708 | static num |
710 | static num |
… | |
… | |
719 | |
721 | |
720 | return ret; |
722 | return ret; |
721 | } |
723 | } |
722 | |
724 | |
723 | static num |
725 | static num |
724 | num_intdiv (num a, num b) |
|
|
725 | { |
|
|
726 | num ret; |
|
|
727 | |
|
|
728 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
|
|
729 | |
|
|
730 | if (num_is_fixnum (ret)) |
|
|
731 | num_set_ivalue (ret, num_get_ivalue (a) / num_get_ivalue (b)); |
|
|
732 | else |
|
|
733 | num_set_rvalue (ret, num_get_rvalue (a) / num_get_rvalue (b)); |
|
|
734 | |
|
|
735 | return ret; |
|
|
736 | } |
|
|
737 | |
|
|
738 | static num |
|
|
739 | num_sub (num a, num b) |
|
|
740 | { |
|
|
741 | num ret; |
|
|
742 | |
|
|
743 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
|
|
744 | |
|
|
745 | if (num_is_fixnum (ret)) |
|
|
746 | num_set_ivalue (ret, num_get_ivalue (a) - num_get_ivalue (b)); |
|
|
747 | else |
|
|
748 | num_set_rvalue (ret, num_get_rvalue (a) - num_get_rvalue (b)); |
|
|
749 | |
|
|
750 | return ret; |
|
|
751 | } |
|
|
752 | |
|
|
753 | static num |
|
|
754 | num_rem (num a, num b) |
726 | num_rem (num a, num b) |
755 | { |
727 | { |
756 | num ret; |
728 | num ret; |
757 | long e1, e2, res; |
729 | long e1, e2, res; |
758 | |
730 | |
… | |
… | |
794 | |
766 | |
795 | num_set_ivalue (ret, res); |
767 | num_set_ivalue (ret, res); |
796 | return ret; |
768 | return ret; |
797 | } |
769 | } |
798 | |
770 | |
|
|
771 | /* this completely disrespects NaNs, but r5rs doesn't even allow NaNs */ |
799 | static int |
772 | static int |
800 | num_eq (num a, num b) |
773 | num_cmp (num a, num b) |
801 | { |
774 | { |
|
|
775 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
802 | int ret; |
776 | int ret; |
803 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
|
|
804 | |
777 | |
805 | if (is_fixnum) |
778 | if (is_fixnum) |
806 | ret = num_get_ivalue (a) == num_get_ivalue (b); |
779 | { |
|
|
780 | IVALUE av = num_get_ivalue (a); |
|
|
781 | IVALUE bv = num_get_ivalue (b); |
|
|
782 | |
|
|
783 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
|
|
784 | } |
807 | else |
785 | else |
808 | ret = num_get_rvalue (a) == num_get_rvalue (b); |
786 | { |
|
|
787 | RVALUE av = num_get_rvalue (a); |
|
|
788 | RVALUE bv = num_get_rvalue (b); |
|
|
789 | |
|
|
790 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
|
|
791 | } |
809 | |
792 | |
810 | return ret; |
793 | return ret; |
811 | } |
|
|
812 | |
|
|
813 | |
|
|
814 | static int |
|
|
815 | num_gt (num a, num b) |
|
|
816 | { |
|
|
817 | int ret; |
|
|
818 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
|
|
819 | |
|
|
820 | if (is_fixnum) |
|
|
821 | ret = num_get_ivalue (a) > num_get_ivalue (b); |
|
|
822 | else |
|
|
823 | ret = num_get_rvalue (a) > num_get_rvalue (b); |
|
|
824 | |
|
|
825 | return ret; |
|
|
826 | } |
|
|
827 | |
|
|
828 | static int |
|
|
829 | num_ge (num a, num b) |
|
|
830 | { |
|
|
831 | return !num_lt (a, b); |
|
|
832 | } |
|
|
833 | |
|
|
834 | static int |
|
|
835 | num_lt (num a, num b) |
|
|
836 | { |
|
|
837 | int ret; |
|
|
838 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
|
|
839 | |
|
|
840 | if (is_fixnum) |
|
|
841 | ret = num_get_ivalue (a) < num_get_ivalue (b); |
|
|
842 | else |
|
|
843 | ret = num_get_rvalue (a) < num_get_rvalue (b); |
|
|
844 | |
|
|
845 | return ret; |
|
|
846 | } |
|
|
847 | |
|
|
848 | static int |
|
|
849 | num_le (num a, num b) |
|
|
850 | { |
|
|
851 | return !num_gt (a, b); |
|
|
852 | } |
794 | } |
853 | |
795 | |
854 | #if USE_MATH |
796 | #if USE_MATH |
855 | |
797 | |
856 | /* Round to nearest. Round to even if midway */ |
798 | /* Round to nearest. Round to even if midway */ |
… | |
… | |
866 | return ce; |
808 | return ce; |
867 | else if (dfl < dce) |
809 | else if (dfl < dce) |
868 | return fl; |
810 | return fl; |
869 | else |
811 | else |
870 | { |
812 | { |
871 | if (fmod (fl, 2.0) == 0.0) /* I imagine this holds */ |
813 | if (fmod (fl, 2) == 0) /* I imagine this holds */ |
872 | return fl; |
814 | return fl; |
873 | else |
815 | else |
874 | return ce; |
816 | return ce; |
875 | } |
817 | } |
876 | } |
818 | } |
877 | #endif |
819 | #endif |
878 | |
820 | |
879 | static int |
821 | static int |
880 | is_zero_rvalue (RVALUE x) |
822 | is_zero_rvalue (RVALUE x) |
881 | { |
823 | { |
|
|
824 | return x == 0; |
|
|
825 | #if 0 |
882 | #if USE_REAL |
826 | #if USE_REAL |
883 | return x < DBL_MIN && x > -DBL_MIN; /* why the hate of denormals? this should be == 0. */ |
827 | return x < DBL_MIN && x > -DBL_MIN; /* why the hate of denormals? this should be == 0. */ |
884 | #else |
828 | #else |
885 | return x == 0; |
829 | return x == 0; |
|
|
830 | #endif |
886 | #endif |
831 | #endif |
887 | } |
832 | } |
888 | |
833 | |
889 | /* allocate new cell segment */ |
834 | /* allocate new cell segment */ |
890 | static int |
835 | static int |
… | |
… | |
962 | |
907 | |
963 | return n; |
908 | return n; |
964 | } |
909 | } |
965 | |
910 | |
966 | /* get new cell. parameter a, b is marked by gc. */ |
911 | /* get new cell. parameter a, b is marked by gc. */ |
967 | static INLINE pointer |
912 | ecb_inline pointer |
968 | get_cell_x (SCHEME_P_ pointer a, pointer b) |
913 | get_cell_x (SCHEME_P_ pointer a, pointer b) |
969 | { |
914 | { |
970 | if (SCHEME_V->free_cell == NIL) |
915 | if (ecb_expect_false (SCHEME_V->free_cell == NIL)) |
971 | { |
916 | { |
972 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
917 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
973 | return S_SINK; |
918 | return S_SINK; |
974 | |
919 | |
975 | if (SCHEME_V->free_cell == NIL) |
920 | if (SCHEME_V->free_cell == NIL) |
… | |
… | |
1050 | push_recent_alloc (SCHEME_A_ v, NIL); |
995 | push_recent_alloc (SCHEME_A_ v, NIL); |
1051 | |
996 | |
1052 | return v; |
997 | return v; |
1053 | } |
998 | } |
1054 | |
999 | |
1055 | static INLINE void |
1000 | ecb_inline void |
1056 | ok_to_freely_gc (SCHEME_P) |
1001 | ok_to_freely_gc (SCHEME_P) |
1057 | { |
1002 | { |
1058 | set_car (S_SINK, NIL); |
1003 | set_car (S_SINK, NIL); |
1059 | } |
1004 | } |
1060 | |
1005 | |
… | |
… | |
1124 | location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1069 | location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1125 | set_vector_elem (SCHEME_V->oblist, location, immutable_cons (x, vector_elem (SCHEME_V->oblist, location))); |
1070 | set_vector_elem (SCHEME_V->oblist, location, immutable_cons (x, vector_elem (SCHEME_V->oblist, location))); |
1126 | return x; |
1071 | return x; |
1127 | } |
1072 | } |
1128 | |
1073 | |
1129 | static INLINE pointer |
1074 | ecb_inline pointer |
1130 | oblist_find_by_name (SCHEME_P_ const char *name) |
1075 | oblist_find_by_name (SCHEME_P_ const char *name) |
1131 | { |
1076 | { |
1132 | int location; |
1077 | int location; |
1133 | pointer x; |
1078 | pointer x; |
1134 | char *s; |
1079 | char *s; |
… | |
… | |
1167 | oblist_initial_value (SCHEME_P) |
1112 | oblist_initial_value (SCHEME_P) |
1168 | { |
1113 | { |
1169 | return NIL; |
1114 | return NIL; |
1170 | } |
1115 | } |
1171 | |
1116 | |
1172 | static INLINE pointer |
1117 | ecb_inline pointer |
1173 | oblist_find_by_name (SCHEME_P_ const char *name) |
1118 | oblist_find_by_name (SCHEME_P_ const char *name) |
1174 | { |
1119 | { |
1175 | pointer x; |
1120 | pointer x; |
1176 | char *s; |
1121 | char *s; |
1177 | |
1122 | |
… | |
… | |
1481 | |
1426 | |
1482 | /* make constant */ |
1427 | /* make constant */ |
1483 | static pointer |
1428 | static pointer |
1484 | mk_sharp_const (SCHEME_P_ char *name) |
1429 | mk_sharp_const (SCHEME_P_ char *name) |
1485 | { |
1430 | { |
1486 | long x; |
|
|
1487 | char tmp[STRBUFFSIZE]; |
|
|
1488 | |
|
|
1489 | if (!strcmp (name, "t")) |
1431 | if (!strcmp (name, "t")) |
1490 | return S_T; |
1432 | return S_T; |
1491 | else if (!strcmp (name, "f")) |
1433 | else if (!strcmp (name, "f")) |
1492 | return S_F; |
1434 | return S_F; |
1493 | else if (*name == '\\') /* #\w (character) */ |
1435 | else if (*name == '\\') /* #\w (character) */ |
1494 | { |
1436 | { |
1495 | int c = 0; |
1437 | int c; |
1496 | |
1438 | |
1497 | if (stricmp (name + 1, "space") == 0) |
1439 | if (stricmp (name + 1, "space") == 0) |
1498 | c = ' '; |
1440 | c = ' '; |
1499 | else if (stricmp (name + 1, "newline") == 0) |
1441 | else if (stricmp (name + 1, "newline") == 0) |
1500 | c = '\n'; |
1442 | c = '\n'; |
… | |
… | |
1502 | c = '\r'; |
1444 | c = '\r'; |
1503 | else if (stricmp (name + 1, "tab") == 0) |
1445 | else if (stricmp (name + 1, "tab") == 0) |
1504 | c = '\t'; |
1446 | c = '\t'; |
1505 | else if (name[1] == 'x' && name[2] != 0) |
1447 | else if (name[1] == 'x' && name[2] != 0) |
1506 | { |
1448 | { |
1507 | int c1 = strtol (name + 2, 0, 16); |
1449 | long c1 = strtol (name + 2, 0, 16); |
1508 | |
1450 | |
1509 | if (c1 <= UCHAR_MAX) |
1451 | if (0 <= c1 && c1 <= UCHAR_MAX) |
1510 | c = c1; |
1452 | c = c1; |
1511 | else |
1453 | else |
1512 | return NIL; |
1454 | return NIL; |
1513 | |
1455 | } |
1514 | #if USE_ASCII_NAMES |
1456 | #if USE_ASCII_NAMES |
1515 | } |
|
|
1516 | else if (is_ascii_name (name + 1, &c)) |
1457 | else if (is_ascii_name (name + 1, &c)) |
1517 | { |
|
|
1518 | /* nothing */ |
1458 | /* nothing */; |
1519 | #endif |
1459 | #endif |
1520 | } |
|
|
1521 | else if (name[2] == 0) |
1460 | else if (name[2] == 0) |
1522 | c = name[1]; |
1461 | c = name[1]; |
1523 | else |
1462 | else |
1524 | return NIL; |
1463 | return NIL; |
1525 | |
1464 | |
… | |
… | |
1542 | |
1481 | |
1543 | /*-- |
1482 | /*-- |
1544 | * We use algorithm E (Knuth, The Art of Computer Programming Vol.1, |
1483 | * We use algorithm E (Knuth, The Art of Computer Programming Vol.1, |
1545 | * sec. 2.3.5), the Schorr-Deutsch-Waite link-inversion algorithm, |
1484 | * sec. 2.3.5), the Schorr-Deutsch-Waite link-inversion algorithm, |
1546 | * for marking. |
1485 | * for marking. |
|
|
1486 | * |
|
|
1487 | * The exception is vectors - vectors are currently marked recursively, |
|
|
1488 | * which is inherited form tinyscheme and could be fixed by having another |
|
|
1489 | * word of context in the vector |
1547 | */ |
1490 | */ |
1548 | static void |
1491 | static void |
1549 | mark (pointer a) |
1492 | mark (pointer a) |
1550 | { |
1493 | { |
1551 | pointer t, q, p; |
1494 | pointer t, q, p; |
… | |
… | |
1553 | t = 0; |
1496 | t = 0; |
1554 | p = a; |
1497 | p = a; |
1555 | E2: |
1498 | E2: |
1556 | setmark (p); |
1499 | setmark (p); |
1557 | |
1500 | |
1558 | if (is_vector (p)) |
1501 | if (ecb_expect_false (is_vector (p))) |
1559 | { |
1502 | { |
1560 | int i; |
1503 | int i; |
1561 | |
1504 | |
1562 | for (i = 0; i < p->object.vector.length; i++) |
1505 | for (i = 0; i < p->object.vector.length; i++) |
1563 | mark (vecvalue (p)[i]); |
1506 | mark (vecvalue (p)[i]); |
… | |
… | |
1686 | } |
1629 | } |
1687 | |
1630 | |
1688 | static void |
1631 | static void |
1689 | finalize_cell (SCHEME_P_ pointer a) |
1632 | finalize_cell (SCHEME_P_ pointer a) |
1690 | { |
1633 | { |
|
|
1634 | /* TODO, fast bitmap check? */ |
1691 | if (is_string (a)) |
1635 | if (is_string (a)) |
1692 | free (strvalue (a)); |
1636 | free (strvalue (a)); |
1693 | else if (is_vector (a)) |
1637 | else if (is_vector (a)) |
1694 | free (vecvalue (a)); |
1638 | free (vecvalue (a)); |
1695 | #if USE_PORTS |
1639 | #if USE_PORTS |
… | |
… | |
2276 | } |
2220 | } |
2277 | } |
2221 | } |
2278 | } |
2222 | } |
2279 | |
2223 | |
2280 | /* check c is in chars */ |
2224 | /* check c is in chars */ |
2281 | static INLINE int |
2225 | ecb_inline int |
2282 | is_one_of (char *s, int c) |
2226 | is_one_of (char *s, int c) |
2283 | { |
2227 | { |
2284 | if (c == EOF) |
2228 | if (c == EOF) |
2285 | return 1; |
2229 | return 1; |
2286 | |
2230 | |
2287 | return !!strchr (s, c); |
2231 | return !!strchr (s, c); |
2288 | } |
2232 | } |
2289 | |
2233 | |
2290 | /* skip white characters */ |
2234 | /* skip white characters */ |
2291 | static INLINE int |
2235 | ecb_inline int |
2292 | skipspace (SCHEME_P) |
2236 | skipspace (SCHEME_P) |
2293 | { |
2237 | { |
2294 | int c, curr_line = 0; |
2238 | int c, curr_line = 0; |
2295 | |
2239 | |
2296 | do |
2240 | do |
… | |
… | |
2524 | { |
2468 | { |
2525 | p = SCHEME_V->strbuff; |
2469 | p = SCHEME_V->strbuff; |
2526 | |
2470 | |
2527 | if (f <= 1 || f == 10) /* f is the base for numbers if > 1 */ |
2471 | if (f <= 1 || f == 10) /* f is the base for numbers if > 1 */ |
2528 | { |
2472 | { |
2529 | if (num_is_integer (l)) |
2473 | if (is_integer (l)) |
2530 | xnum (p, ivalue_unchecked (l)); |
2474 | xnum (p, ivalue_unchecked (l)); |
2531 | #if USE_REAL |
2475 | #if USE_REAL |
2532 | else |
2476 | else |
2533 | { |
2477 | { |
2534 | snprintf (p, STRBUFFSIZE, "%.10g", rvalue_unchecked (l)); |
2478 | snprintf (p, STRBUFFSIZE, "%.10g", rvalue_unchecked (l)); |
… | |
… | |
2789 | return 0; |
2733 | return 0; |
2790 | } |
2734 | } |
2791 | else if (is_number (a)) |
2735 | else if (is_number (a)) |
2792 | { |
2736 | { |
2793 | if (is_number (b)) |
2737 | if (is_number (b)) |
2794 | if (num_is_integer (a) == num_is_integer (b)) |
|
|
2795 | return num_eq (nvalue (a), nvalue (b)); |
2738 | return num_cmp (nvalue (a), nvalue (b)) == 0; |
2796 | |
2739 | |
2797 | return 0; |
2740 | return 0; |
2798 | } |
2741 | } |
2799 | else if (is_character (a)) |
2742 | else if (is_character (a)) |
2800 | { |
2743 | { |
… | |
… | |
2867 | |
2810 | |
2868 | SCHEME_V->envir = immutable_cons (new_frame, old_env); |
2811 | SCHEME_V->envir = immutable_cons (new_frame, old_env); |
2869 | setenvironment (SCHEME_V->envir); |
2812 | setenvironment (SCHEME_V->envir); |
2870 | } |
2813 | } |
2871 | |
2814 | |
2872 | static INLINE void |
2815 | ecb_inline void |
2873 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2816 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2874 | { |
2817 | { |
2875 | pointer slot = immutable_cons (variable, value); |
2818 | pointer slot = immutable_cons (variable, value); |
2876 | |
2819 | |
2877 | if (is_vector (car (env))) |
2820 | if (is_vector (car (env))) |
… | |
… | |
2917 | return NIL; |
2860 | return NIL; |
2918 | } |
2861 | } |
2919 | |
2862 | |
2920 | #else /* USE_ALIST_ENV */ |
2863 | #else /* USE_ALIST_ENV */ |
2921 | |
2864 | |
2922 | static INLINE void |
2865 | ecb_inline void |
2923 | new_frame_in_env (SCHEME_P_ pointer old_env) |
2866 | new_frame_in_env (SCHEME_P_ pointer old_env) |
2924 | { |
2867 | { |
2925 | SCHEME_V->envir = immutable_cons (NIL, old_env); |
2868 | SCHEME_V->envir = immutable_cons (NIL, old_env); |
2926 | setenvironment (SCHEME_V->envir); |
2869 | setenvironment (SCHEME_V->envir); |
2927 | } |
2870 | } |
2928 | |
2871 | |
2929 | static INLINE void |
2872 | ecb_inline void |
2930 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2873 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2931 | { |
2874 | { |
2932 | set_car (env, immutable_cons (immutable_cons (variable, value), car (env))); |
2875 | set_car (env, immutable_cons (immutable_cons (variable, value), car (env))); |
2933 | } |
2876 | } |
2934 | |
2877 | |
… | |
… | |
2956 | return NIL; |
2899 | return NIL; |
2957 | } |
2900 | } |
2958 | |
2901 | |
2959 | #endif /* USE_ALIST_ENV else */ |
2902 | #endif /* USE_ALIST_ENV else */ |
2960 | |
2903 | |
2961 | static INLINE void |
2904 | ecb_inline void |
2962 | new_slot_in_env (SCHEME_P_ pointer variable, pointer value) |
2905 | new_slot_in_env (SCHEME_P_ pointer variable, pointer value) |
2963 | { |
2906 | { |
2964 | new_slot_spec_in_env (SCHEME_A_ SCHEME_V->envir, variable, value); |
2907 | new_slot_spec_in_env (SCHEME_A_ SCHEME_V->envir, variable, value); |
2965 | } |
2908 | } |
2966 | |
2909 | |
2967 | static INLINE void |
2910 | ecb_inline void |
2968 | set_slot_in_env (SCHEME_P_ pointer slot, pointer value) |
2911 | set_slot_in_env (SCHEME_P_ pointer slot, pointer value) |
2969 | { |
2912 | { |
2970 | set_cdr (slot, value); |
2913 | set_cdr (slot, value); |
2971 | } |
2914 | } |
2972 | |
2915 | |
2973 | static INLINE pointer |
2916 | ecb_inline pointer |
2974 | slot_value_in_env (pointer slot) |
2917 | slot_value_in_env (pointer slot) |
2975 | { |
2918 | { |
2976 | return cdr (slot); |
2919 | return cdr (slot); |
2977 | } |
2920 | } |
2978 | |
2921 | |
2979 | /* ========== Evaluation Cycle ========== */ |
2922 | /* ========== Evaluation Cycle ========== */ |
2980 | |
2923 | |
2981 | static pointer |
2924 | static int |
2982 | xError_1 (SCHEME_P_ const char *s, pointer a) |
2925 | xError_1 (SCHEME_P_ const char *s, pointer a) |
2983 | { |
2926 | { |
2984 | #if USE_ERROR_HOOK |
2927 | #if USE_ERROR_HOOK |
2985 | pointer x; |
2928 | pointer x; |
2986 | pointer hdl = SCHEME_V->ERROR_HOOK; |
2929 | pointer hdl = SCHEME_V->ERROR_HOOK; |
… | |
… | |
3021 | code = cons (mk_string (SCHEME_A_ s), code); |
2964 | code = cons (mk_string (SCHEME_A_ s), code); |
3022 | setimmutable (car (code)); |
2965 | setimmutable (car (code)); |
3023 | SCHEME_V->code = cons (slot_value_in_env (x), code); |
2966 | SCHEME_V->code = cons (slot_value_in_env (x), code); |
3024 | SCHEME_V->op = OP_EVAL; |
2967 | SCHEME_V->op = OP_EVAL; |
3025 | |
2968 | |
3026 | return S_T; |
2969 | return 0; |
3027 | } |
2970 | } |
3028 | #endif |
2971 | #endif |
3029 | |
2972 | |
3030 | if (a) |
2973 | if (a) |
3031 | SCHEME_V->args = cons (a, NIL); |
2974 | SCHEME_V->args = cons (a, NIL); |
… | |
… | |
3033 | SCHEME_V->args = NIL; |
2976 | SCHEME_V->args = NIL; |
3034 | |
2977 | |
3035 | SCHEME_V->args = cons (mk_string (SCHEME_A_ s), SCHEME_V->args); |
2978 | SCHEME_V->args = cons (mk_string (SCHEME_A_ s), SCHEME_V->args); |
3036 | setimmutable (car (SCHEME_V->args)); |
2979 | setimmutable (car (SCHEME_V->args)); |
3037 | SCHEME_V->op = OP_ERR0; |
2980 | SCHEME_V->op = OP_ERR0; |
|
|
2981 | |
3038 | return S_T; |
2982 | return 0; |
3039 | } |
2983 | } |
3040 | |
2984 | |
3041 | #define Error_1(s, a) return xError_1(SCHEME_A_ USE_ERROR_CHECKING ? s : "", a) |
2985 | #define Error_1(s, a) return xError_1(SCHEME_A_ USE_ERROR_CHECKING ? s : "", a) |
3042 | #define Error_0(s) Error_1 (s, 0) |
2986 | #define Error_0(s) Error_1 (s, 0) |
3043 | |
2987 | |
3044 | /* Too small to turn into function */ |
2988 | /* Too small to turn into function */ |
3045 | #define BEGIN do { |
2989 | #define BEGIN do { |
3046 | #define END } while (0) |
2990 | #define END } while (0) |
3047 | #define s_goto(a) BEGIN \ |
2991 | #define s_goto(a) BEGIN \ |
3048 | SCHEME_V->op = a; \ |
2992 | SCHEME_V->op = a; \ |
3049 | return S_T; END |
2993 | return 0; END |
3050 | |
2994 | |
3051 | #define s_return(a) return xs_return (SCHEME_A_ a) |
2995 | #define s_return(a) return xs_return (SCHEME_A_ a) |
3052 | |
2996 | |
3053 | #ifndef USE_SCHEME_STACK |
2997 | #ifndef USE_SCHEME_STACK |
3054 | |
2998 | |
… | |
… | |
3079 | next_frame = SCHEME_V->dump_base + nframes; |
3023 | next_frame = SCHEME_V->dump_base + nframes; |
3080 | |
3024 | |
3081 | next_frame->op = op; |
3025 | next_frame->op = op; |
3082 | next_frame->args = args; |
3026 | next_frame->args = args; |
3083 | next_frame->envir = SCHEME_V->envir; |
3027 | next_frame->envir = SCHEME_V->envir; |
3084 | next_frame->code = code; |
3028 | next_frame->code = code; |
3085 | |
3029 | |
3086 | SCHEME_V->dump = (pointer)(uintptr_t)(nframes + 1); |
3030 | SCHEME_V->dump = (pointer)(uintptr_t)(nframes + 1); |
3087 | } |
3031 | } |
3088 | |
3032 | |
3089 | static pointer |
3033 | static int |
3090 | xs_return (SCHEME_P_ pointer a) |
3034 | xs_return (SCHEME_P_ pointer a) |
3091 | { |
3035 | { |
3092 | int nframes = (uintptr_t)SCHEME_V->dump; |
3036 | int nframes = (uintptr_t)SCHEME_V->dump; |
3093 | struct dump_stack_frame *frame; |
3037 | struct dump_stack_frame *frame; |
3094 | |
3038 | |
3095 | SCHEME_V->value = a; |
3039 | SCHEME_V->value = a; |
3096 | |
3040 | |
3097 | if (nframes <= 0) |
3041 | if (nframes <= 0) |
3098 | return NIL; |
3042 | return -1; |
3099 | |
3043 | |
3100 | frame = &SCHEME_V->dump_base[--nframes]; |
3044 | frame = &SCHEME_V->dump_base[--nframes]; |
3101 | SCHEME_V->op = frame->op; |
3045 | SCHEME_V->op = frame->op; |
3102 | SCHEME_V->args = frame->args; |
3046 | SCHEME_V->args = frame->args; |
3103 | SCHEME_V->envir = frame->envir; |
3047 | SCHEME_V->envir = frame->envir; |
3104 | SCHEME_V->code = frame->code; |
3048 | SCHEME_V->code = frame->code; |
3105 | SCHEME_V->dump = (pointer)(uintptr_t)nframes; |
3049 | SCHEME_V->dump = (pointer)(uintptr_t)nframes; |
3106 | |
3050 | |
3107 | return S_T; |
3051 | return 0; |
3108 | } |
3052 | } |
3109 | |
3053 | |
3110 | static INLINE void |
3054 | ecb_inline void |
3111 | dump_stack_reset (SCHEME_P) |
3055 | dump_stack_reset (SCHEME_P) |
3112 | { |
3056 | { |
3113 | /* in this implementation, SCHEME_V->dump is the number of frames on the stack */ |
3057 | /* in this implementation, SCHEME_V->dump is the number of frames on the stack */ |
3114 | SCHEME_V->dump = (pointer)+0; |
3058 | SCHEME_V->dump = (pointer)+0; |
3115 | } |
3059 | } |
3116 | |
3060 | |
3117 | static INLINE void |
3061 | ecb_inline void |
3118 | dump_stack_initialize (SCHEME_P) |
3062 | dump_stack_initialize (SCHEME_P) |
3119 | { |
3063 | { |
3120 | SCHEME_V->dump_size = 0; |
3064 | SCHEME_V->dump_size = 0; |
3121 | SCHEME_V->dump_base = 0; |
3065 | SCHEME_V->dump_base = 0; |
3122 | dump_stack_reset (SCHEME_A); |
3066 | dump_stack_reset (SCHEME_A); |
… | |
… | |
3189 | SCHEME_V->dump = (pointer)(uintptr_t)i; |
3133 | SCHEME_V->dump = (pointer)(uintptr_t)i; |
3190 | } |
3134 | } |
3191 | |
3135 | |
3192 | #else |
3136 | #else |
3193 | |
3137 | |
3194 | static INLINE void |
3138 | ecb_inline void |
3195 | dump_stack_reset (SCHEME_P) |
3139 | dump_stack_reset (SCHEME_P) |
3196 | { |
3140 | { |
3197 | SCHEME_V->dump = NIL; |
3141 | SCHEME_V->dump = NIL; |
3198 | } |
3142 | } |
3199 | |
3143 | |
3200 | static INLINE void |
3144 | ecb_inline void |
3201 | dump_stack_initialize (SCHEME_P) |
3145 | dump_stack_initialize (SCHEME_P) |
3202 | { |
3146 | { |
3203 | dump_stack_reset (SCHEME_A); |
3147 | dump_stack_reset (SCHEME_A); |
3204 | } |
3148 | } |
3205 | |
3149 | |
… | |
… | |
3207 | dump_stack_free (SCHEME_P) |
3151 | dump_stack_free (SCHEME_P) |
3208 | { |
3152 | { |
3209 | SCHEME_V->dump = NIL; |
3153 | SCHEME_V->dump = NIL; |
3210 | } |
3154 | } |
3211 | |
3155 | |
3212 | static pointer |
3156 | static int |
3213 | xs_return (SCHEME_P_ pointer a) |
3157 | xs_return (SCHEME_P_ pointer a) |
3214 | { |
3158 | { |
3215 | pointer dump = SCHEME_V->dump; |
3159 | pointer dump = SCHEME_V->dump; |
3216 | |
3160 | |
3217 | SCHEME_V->value = a; |
3161 | SCHEME_V->value = a; |
3218 | |
3162 | |
3219 | if (dump == NIL) |
3163 | if (dump == NIL) |
3220 | return NIL; |
3164 | return -1; |
3221 | |
3165 | |
3222 | SCHEME_V->op = ivalue (car (dump)); dump = cdr (dump); |
3166 | SCHEME_V->op = ivalue (car (dump)); dump = cdr (dump); |
3223 | SCHEME_V->args = car (dump) ; dump = cdr (dump); |
3167 | SCHEME_V->args = car (dump) ; dump = cdr (dump); |
3224 | SCHEME_V->envir = car (dump) ; dump = cdr (dump); |
3168 | SCHEME_V->envir = car (dump) ; dump = cdr (dump); |
3225 | SCHEME_V->code = car (dump) ; dump = cdr (dump); |
3169 | SCHEME_V->code = car (dump) ; dump = cdr (dump); |
3226 | |
3170 | |
3227 | SCHEME_V->dump = dump; |
3171 | SCHEME_V->dump = dump; |
3228 | |
3172 | |
3229 | return S_T; |
3173 | return 0; |
3230 | } |
3174 | } |
3231 | |
3175 | |
3232 | static void |
3176 | static void |
3233 | s_save (SCHEME_P_ enum scheme_opcodes op, pointer args, pointer code) |
3177 | s_save (SCHEME_P_ enum scheme_opcodes op, pointer args, pointer code) |
3234 | { |
3178 | { |
… | |
… | |
3259 | |
3203 | |
3260 | #endif |
3204 | #endif |
3261 | |
3205 | |
3262 | #define s_retbool(tf) s_return ((tf) ? S_T : S_F) |
3206 | #define s_retbool(tf) s_return ((tf) ? S_T : S_F) |
3263 | |
3207 | |
3264 | static pointer |
3208 | static int |
3265 | opexe_0 (SCHEME_P_ enum scheme_opcodes op) |
3209 | opexe_0 (SCHEME_P_ enum scheme_opcodes op) |
3266 | { |
3210 | { |
|
|
3211 | pointer args = SCHEME_V->args; |
3267 | pointer x, y; |
3212 | pointer x, y; |
3268 | |
3213 | |
3269 | switch (op) |
3214 | switch (op) |
3270 | { |
3215 | { |
3271 | case OP_LOAD: /* load */ |
3216 | case OP_LOAD: /* load */ |
3272 | if (file_interactive (SCHEME_A)) |
3217 | if (file_interactive (SCHEME_A)) |
3273 | { |
3218 | { |
3274 | xwrstr ("Loading "); xwrstr (strvalue (car (SCHEME_V->args))); xwrstr ("\n"); |
3219 | xwrstr ("Loading "); xwrstr (strvalue (car (args))); xwrstr ("\n"); |
3275 | //D fprintf (SCHEME_V->outport->object.port->rep.stdio.file, "Loading %s\n", strvalue (car (SCHEME_V->args))); |
3220 | //D fprintf (SCHEME_V->outport->object.port->rep.stdio.file, "Loading %s\n", strvalue (car (args))); |
3276 | } |
3221 | } |
3277 | |
3222 | |
3278 | if (!file_push (SCHEME_A_ strvalue (car (SCHEME_V->args)))) |
3223 | if (!file_push (SCHEME_A_ strvalue (car (args)))) |
3279 | Error_1 ("unable to open", car (SCHEME_V->args)); |
3224 | Error_1 ("unable to open", car (args)); |
3280 | else |
3225 | else |
3281 | { |
3226 | { |
3282 | SCHEME_V->args = mk_integer (SCHEME_A_ SCHEME_V->file_i); |
3227 | SCHEME_V->args = mk_integer (SCHEME_A_ SCHEME_V->file_i); |
3283 | s_goto (OP_T0LVL); |
3228 | s_goto (OP_T0LVL); |
3284 | } |
3229 | } |
… | |
… | |
3358 | case OP_EVAL: /* main part of evaluation */ |
3303 | case OP_EVAL: /* main part of evaluation */ |
3359 | #if USE_TRACING |
3304 | #if USE_TRACING |
3360 | if (SCHEME_V->tracing) |
3305 | if (SCHEME_V->tracing) |
3361 | { |
3306 | { |
3362 | /*s_save(SCHEME_A_ OP_VALUEPRINT,NIL,NIL); */ |
3307 | /*s_save(SCHEME_A_ OP_VALUEPRINT,NIL,NIL); */ |
3363 | s_save (SCHEME_A_ OP_REAL_EVAL, SCHEME_V->args, SCHEME_V->code); |
3308 | s_save (SCHEME_A_ OP_REAL_EVAL, args, SCHEME_V->code); |
3364 | SCHEME_V->args = SCHEME_V->code; |
3309 | SCHEME_V->args = SCHEME_V->code; |
3365 | putstr (SCHEME_A_ "\nEval: "); |
3310 | putstr (SCHEME_A_ "\nEval: "); |
3366 | s_goto (OP_P0LIST); |
3311 | s_goto (OP_P0LIST); |
3367 | } |
3312 | } |
3368 | |
3313 | |
… | |
… | |
3412 | SCHEME_V->code = cdr (SCHEME_V->code); |
3357 | SCHEME_V->code = cdr (SCHEME_V->code); |
3413 | s_goto (OP_E1ARGS); |
3358 | s_goto (OP_E1ARGS); |
3414 | } |
3359 | } |
3415 | |
3360 | |
3416 | case OP_E1ARGS: /* eval arguments */ |
3361 | case OP_E1ARGS: /* eval arguments */ |
3417 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
3362 | args = cons (SCHEME_V->value, args); |
3418 | |
3363 | |
3419 | if (is_pair (SCHEME_V->code)) /* continue */ |
3364 | if (is_pair (SCHEME_V->code)) /* continue */ |
3420 | { |
3365 | { |
3421 | s_save (SCHEME_A_ OP_E1ARGS, SCHEME_V->args, cdr (SCHEME_V->code)); |
3366 | s_save (SCHEME_A_ OP_E1ARGS, args, cdr (SCHEME_V->code)); |
3422 | SCHEME_V->code = car (SCHEME_V->code); |
3367 | SCHEME_V->code = car (SCHEME_V->code); |
3423 | SCHEME_V->args = NIL; |
3368 | SCHEME_V->args = NIL; |
3424 | s_goto (OP_EVAL); |
3369 | s_goto (OP_EVAL); |
3425 | } |
3370 | } |
3426 | else /* end */ |
3371 | else /* end */ |
3427 | { |
3372 | { |
3428 | SCHEME_V->args = reverse_in_place (SCHEME_A_ NIL, SCHEME_V->args); |
3373 | args = reverse_in_place (SCHEME_A_ NIL, args); |
3429 | SCHEME_V->code = car (SCHEME_V->args); |
3374 | SCHEME_V->code = car (args); |
3430 | SCHEME_V->args = cdr (SCHEME_V->args); |
3375 | SCHEME_V->args = cdr (args); |
3431 | s_goto (OP_APPLY); |
3376 | s_goto (OP_APPLY); |
3432 | } |
3377 | } |
3433 | |
3378 | |
3434 | #if USE_TRACING |
3379 | #if USE_TRACING |
3435 | |
3380 | |
3436 | case OP_TRACING: |
3381 | case OP_TRACING: |
3437 | { |
3382 | { |
3438 | int tr = SCHEME_V->tracing; |
3383 | int tr = SCHEME_V->tracing; |
3439 | |
3384 | |
3440 | SCHEME_V->tracing = ivalue (car (SCHEME_V->args)); |
3385 | SCHEME_V->tracing = ivalue (car (args)); |
3441 | s_return (mk_integer (SCHEME_A_ tr)); |
3386 | s_return (mk_integer (SCHEME_A_ tr)); |
3442 | } |
3387 | } |
3443 | |
3388 | |
3444 | #endif |
3389 | #endif |
3445 | |
3390 | |
3446 | case OP_APPLY: /* apply 'code' to 'args' */ |
3391 | case OP_APPLY: /* apply 'code' to 'args' */ |
3447 | #if USE_TRACING |
3392 | #if USE_TRACING |
3448 | if (SCHEME_V->tracing) |
3393 | if (SCHEME_V->tracing) |
3449 | { |
3394 | { |
3450 | s_save (SCHEME_A_ OP_REAL_APPLY, SCHEME_V->args, SCHEME_V->code); |
3395 | s_save (SCHEME_A_ OP_REAL_APPLY, args, SCHEME_V->code); |
3451 | SCHEME_V->print_flag = 1; |
3396 | SCHEME_V->print_flag = 1; |
3452 | /* SCHEME_V->args=cons(SCHEME_V->code,SCHEME_V->args); */ |
3397 | /* args=cons(SCHEME_V->code,args); */ |
3453 | putstr (SCHEME_A_ "\nApply to: "); |
3398 | putstr (SCHEME_A_ "\nApply to: "); |
3454 | s_goto (OP_P0LIST); |
3399 | s_goto (OP_P0LIST); |
3455 | } |
3400 | } |
3456 | |
3401 | |
3457 | /* fall through */ |
3402 | /* fall through */ |
3458 | |
3403 | |
3459 | case OP_REAL_APPLY: |
3404 | case OP_REAL_APPLY: |
3460 | #endif |
3405 | #endif |
3461 | if (is_proc (SCHEME_V->code)) |
3406 | if (is_proc (SCHEME_V->code)) |
3462 | { |
|
|
3463 | s_goto (procnum (SCHEME_V->code)); /* PROCEDURE */ |
3407 | s_goto (procnum (SCHEME_V->code)); /* PROCEDURE */ |
3464 | } |
|
|
3465 | else if (is_foreign (SCHEME_V->code)) |
3408 | else if (is_foreign (SCHEME_V->code)) |
3466 | { |
3409 | { |
3467 | /* Keep nested calls from GC'ing the arglist */ |
3410 | /* Keep nested calls from GC'ing the arglist */ |
3468 | push_recent_alloc (SCHEME_A_ SCHEME_V->args, NIL); |
3411 | push_recent_alloc (SCHEME_A_ args, NIL); |
3469 | x = SCHEME_V->code->object.ff (SCHEME_A_ SCHEME_V->args); |
3412 | x = SCHEME_V->code->object.ff (SCHEME_A_ args); |
3470 | |
3413 | |
3471 | s_return (x); |
3414 | s_return (x); |
3472 | } |
3415 | } |
3473 | else if (is_closure (SCHEME_V->code) || is_macro (SCHEME_V->code) || is_promise (SCHEME_V->code)) /* CLOSURE */ |
3416 | else if (is_closure (SCHEME_V->code) || is_macro (SCHEME_V->code) || is_promise (SCHEME_V->code)) /* CLOSURE */ |
3474 | { |
3417 | { |
3475 | /* Should not accept promise */ |
3418 | /* Should not accept promise */ |
3476 | /* make environment */ |
3419 | /* make environment */ |
3477 | new_frame_in_env (SCHEME_A_ closure_env (SCHEME_V->code)); |
3420 | new_frame_in_env (SCHEME_A_ closure_env (SCHEME_V->code)); |
3478 | |
3421 | |
3479 | for (x = car (closure_code (SCHEME_V->code)), y = SCHEME_V->args; is_pair (x); x = cdr (x), y = cdr (y)) |
3422 | for (x = car (closure_code (SCHEME_V->code)), y = args; is_pair (x); x = cdr (x), y = cdr (y)) |
3480 | { |
3423 | { |
3481 | if (y == NIL) |
3424 | if (y == NIL) |
3482 | Error_0 ("not enough arguments"); |
3425 | Error_0 ("not enough arguments"); |
3483 | else |
3426 | else |
3484 | new_slot_in_env (SCHEME_A_ car (x), car (y)); |
3427 | new_slot_in_env (SCHEME_A_ car (x), car (y)); |
… | |
… | |
3502 | s_goto (OP_BEGIN); |
3445 | s_goto (OP_BEGIN); |
3503 | } |
3446 | } |
3504 | else if (is_continuation (SCHEME_V->code)) /* CONTINUATION */ |
3447 | else if (is_continuation (SCHEME_V->code)) /* CONTINUATION */ |
3505 | { |
3448 | { |
3506 | ss_set_cont (SCHEME_A_ cont_dump (SCHEME_V->code)); |
3449 | ss_set_cont (SCHEME_A_ cont_dump (SCHEME_V->code)); |
3507 | s_return (SCHEME_V->args != NIL ? car (SCHEME_V->args) : NIL); |
3450 | s_return (args != NIL ? car (args) : NIL); |
3508 | } |
3451 | } |
3509 | else |
3452 | else |
3510 | Error_0 ("illegal function"); |
3453 | Error_0 ("illegal function"); |
3511 | |
3454 | |
3512 | case OP_DOMACRO: /* do macro */ |
3455 | case OP_DOMACRO: /* do macro */ |
… | |
… | |
3521 | { |
3464 | { |
3522 | pointer f = find_slot_in_env (SCHEME_A_ SCHEME_V->envir, SCHEME_V->COMPILE_HOOK, 1); |
3465 | pointer f = find_slot_in_env (SCHEME_A_ SCHEME_V->envir, SCHEME_V->COMPILE_HOOK, 1); |
3523 | |
3466 | |
3524 | if (f != NIL) |
3467 | if (f != NIL) |
3525 | { |
3468 | { |
3526 | s_save (SCHEME_A_ OP_LAMBDA1, SCHEME_V->args, SCHEME_V->code); |
3469 | s_save (SCHEME_A_ OP_LAMBDA1, args, SCHEME_V->code); |
3527 | SCHEME_V->args = cons (SCHEME_V->code, NIL); |
3470 | SCHEME_V->args = cons (SCHEME_V->code, NIL); |
3528 | SCHEME_V->code = slot_value_in_env (f); |
3471 | SCHEME_V->code = slot_value_in_env (f); |
3529 | s_goto (OP_APPLY); |
3472 | s_goto (OP_APPLY); |
3530 | } |
3473 | } |
3531 | |
3474 | |
… | |
… | |
3542 | s_return (mk_closure (SCHEME_A_ SCHEME_V->code, SCHEME_V->envir)); |
3485 | s_return (mk_closure (SCHEME_A_ SCHEME_V->code, SCHEME_V->envir)); |
3543 | |
3486 | |
3544 | #endif |
3487 | #endif |
3545 | |
3488 | |
3546 | case OP_MKCLOSURE: /* make-closure */ |
3489 | case OP_MKCLOSURE: /* make-closure */ |
3547 | x = car (SCHEME_V->args); |
3490 | x = car (args); |
3548 | |
3491 | |
3549 | if (car (x) == SCHEME_V->LAMBDA) |
3492 | if (car (x) == SCHEME_V->LAMBDA) |
3550 | x = cdr (x); |
3493 | x = cdr (x); |
3551 | |
3494 | |
3552 | if (cdr (SCHEME_V->args) == NIL) |
3495 | if (cdr (args) == NIL) |
3553 | y = SCHEME_V->envir; |
3496 | y = SCHEME_V->envir; |
3554 | else |
3497 | else |
3555 | y = cadr (SCHEME_V->args); |
3498 | y = cadr (args); |
3556 | |
3499 | |
3557 | s_return (mk_closure (SCHEME_A_ x, y)); |
3500 | s_return (mk_closure (SCHEME_A_ x, y)); |
3558 | |
3501 | |
3559 | case OP_QUOTE: /* quote */ |
3502 | case OP_QUOTE: /* quote */ |
3560 | s_return (car (SCHEME_V->code)); |
3503 | s_return (car (SCHEME_V->code)); |
… | |
… | |
3592 | |
3535 | |
3593 | |
3536 | |
3594 | case OP_DEFP: /* defined? */ |
3537 | case OP_DEFP: /* defined? */ |
3595 | x = SCHEME_V->envir; |
3538 | x = SCHEME_V->envir; |
3596 | |
3539 | |
3597 | if (cdr (SCHEME_V->args) != NIL) |
3540 | if (cdr (args) != NIL) |
3598 | x = cadr (SCHEME_V->args); |
3541 | x = cadr (args); |
3599 | |
3542 | |
3600 | s_retbool (find_slot_in_env (SCHEME_A_ x, car (SCHEME_V->args), 1) != NIL); |
3543 | s_retbool (find_slot_in_env (SCHEME_A_ x, car (args), 1) != NIL); |
3601 | |
3544 | |
3602 | case OP_SET0: /* set! */ |
3545 | case OP_SET0: /* set! */ |
3603 | if (is_immutable (car (SCHEME_V->code))) |
3546 | if (is_immutable (car (SCHEME_V->code))) |
3604 | Error_1 ("set!: unable to alter immutable variable", car (SCHEME_V->code)); |
3547 | Error_1 ("set!: unable to alter immutable variable", car (SCHEME_V->code)); |
3605 | |
3548 | |
… | |
… | |
3636 | |
3579 | |
3637 | case OP_IF1: /* if */ |
3580 | case OP_IF1: /* if */ |
3638 | if (is_true (SCHEME_V->value)) |
3581 | if (is_true (SCHEME_V->value)) |
3639 | SCHEME_V->code = car (SCHEME_V->code); |
3582 | SCHEME_V->code = car (SCHEME_V->code); |
3640 | else |
3583 | else |
3641 | SCHEME_V->code = cadr (SCHEME_V->code); /* (if #f 1) ==> () because |
3584 | SCHEME_V->code = cadr (SCHEME_V->code); /* (if #f 1) ==> () because * car(NIL) = NIL */ |
3642 | |
|
|
3643 | * car(NIL) = NIL */ |
|
|
3644 | s_goto (OP_EVAL); |
3585 | s_goto (OP_EVAL); |
3645 | |
3586 | |
3646 | case OP_LET0: /* let */ |
3587 | case OP_LET0: /* let */ |
3647 | SCHEME_V->args = NIL; |
3588 | SCHEME_V->args = NIL; |
3648 | SCHEME_V->value = SCHEME_V->code; |
3589 | SCHEME_V->value = SCHEME_V->code; |
3649 | SCHEME_V->code = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code); |
3590 | SCHEME_V->code = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code); |
3650 | s_goto (OP_LET1); |
3591 | s_goto (OP_LET1); |
3651 | |
3592 | |
3652 | case OP_LET1: /* let (calculate parameters) */ |
3593 | case OP_LET1: /* let (calculate parameters) */ |
3653 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
3594 | args = cons (SCHEME_V->value, args); |
3654 | |
3595 | |
3655 | if (is_pair (SCHEME_V->code)) /* continue */ |
3596 | if (is_pair (SCHEME_V->code)) /* continue */ |
3656 | { |
3597 | { |
3657 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
3598 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
3658 | Error_1 ("Bad syntax of binding spec in let :", car (SCHEME_V->code)); |
3599 | Error_1 ("Bad syntax of binding spec in let :", car (SCHEME_V->code)); |
3659 | |
3600 | |
3660 | s_save (SCHEME_A_ OP_LET1, SCHEME_V->args, cdr (SCHEME_V->code)); |
3601 | s_save (SCHEME_A_ OP_LET1, args, cdr (SCHEME_V->code)); |
3661 | SCHEME_V->code = cadar (SCHEME_V->code); |
3602 | SCHEME_V->code = cadar (SCHEME_V->code); |
3662 | SCHEME_V->args = NIL; |
3603 | SCHEME_V->args = NIL; |
3663 | s_goto (OP_EVAL); |
3604 | s_goto (OP_EVAL); |
3664 | } |
3605 | } |
3665 | else /* end */ |
3606 | else /* end */ |
3666 | { |
3607 | { |
3667 | SCHEME_V->args = reverse_in_place (SCHEME_A_ NIL, SCHEME_V->args); |
3608 | args = reverse_in_place (SCHEME_A_ NIL, args); |
3668 | SCHEME_V->code = car (SCHEME_V->args); |
3609 | SCHEME_V->code = car (args); |
3669 | SCHEME_V->args = cdr (SCHEME_V->args); |
3610 | SCHEME_V->args = cdr (args); |
3670 | s_goto (OP_LET2); |
3611 | s_goto (OP_LET2); |
3671 | } |
3612 | } |
3672 | |
3613 | |
3673 | case OP_LET2: /* let */ |
3614 | case OP_LET2: /* let */ |
3674 | new_frame_in_env (SCHEME_A_ SCHEME_V->envir); |
3615 | new_frame_in_env (SCHEME_A_ SCHEME_V->envir); |
3675 | |
3616 | |
3676 | for (x = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code), y = SCHEME_V->args; |
3617 | for (x = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code), y = args; |
3677 | y != NIL; x = cdr (x), y = cdr (y)) |
3618 | y != NIL; x = cdr (x), y = cdr (y)) |
3678 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
3619 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
3679 | |
3620 | |
3680 | if (is_symbol (car (SCHEME_V->code))) /* named let */ |
3621 | if (is_symbol (car (SCHEME_V->code))) /* named let */ |
3681 | { |
3622 | { |
3682 | for (x = cadr (SCHEME_V->code), SCHEME_V->args = NIL; x != NIL; x = cdr (x)) |
3623 | for (x = cadr (SCHEME_V->code), args = NIL; x != NIL; x = cdr (x)) |
3683 | { |
3624 | { |
3684 | if (!is_pair (x)) |
3625 | if (!is_pair (x)) |
3685 | Error_1 ("Bad syntax of binding in let :", x); |
3626 | Error_1 ("Bad syntax of binding in let :", x); |
3686 | |
3627 | |
3687 | if (!is_list (SCHEME_A_ car (x))) |
3628 | if (!is_list (SCHEME_A_ car (x))) |
3688 | Error_1 ("Bad syntax of binding in let :", car (x)); |
3629 | Error_1 ("Bad syntax of binding in let :", car (x)); |
3689 | |
3630 | |
3690 | SCHEME_V->args = cons (caar (x), SCHEME_V->args); |
3631 | args = cons (caar (x), args); |
3691 | } |
3632 | } |
3692 | |
3633 | |
3693 | x = |
|
|
3694 | mk_closure (SCHEME_A_ cons (reverse_in_place (SCHEME_A_ NIL, SCHEME_V->args), cddr (SCHEME_V->code)), |
3634 | x = mk_closure (SCHEME_A_ cons (reverse_in_place (SCHEME_A_ NIL, args), cddr (SCHEME_V->code)), |
3695 | SCHEME_V->envir); |
3635 | SCHEME_V->envir); |
3696 | new_slot_in_env (SCHEME_A_ car (SCHEME_V->code), x); |
3636 | new_slot_in_env (SCHEME_A_ car (SCHEME_V->code), x); |
3697 | SCHEME_V->code = cddr (SCHEME_V->code); |
3637 | SCHEME_V->code = cddr (SCHEME_V->code); |
3698 | SCHEME_V->args = NIL; |
|
|
3699 | } |
3638 | } |
3700 | else |
3639 | else |
3701 | { |
3640 | { |
3702 | SCHEME_V->code = cdr (SCHEME_V->code); |
3641 | SCHEME_V->code = cdr (SCHEME_V->code); |
|
|
3642 | } |
|
|
3643 | |
3703 | SCHEME_V->args = NIL; |
3644 | SCHEME_V->args = NIL; |
3704 | } |
|
|
3705 | |
|
|
3706 | s_goto (OP_BEGIN); |
3645 | s_goto (OP_BEGIN); |
3707 | |
3646 | |
3708 | case OP_LET0AST: /* let* */ |
3647 | case OP_LET0AST: /* let* */ |
3709 | if (car (SCHEME_V->code) == NIL) |
3648 | if (car (SCHEME_V->code) == NIL) |
3710 | { |
3649 | { |
… | |
… | |
3728 | new_slot_in_env (SCHEME_A_ caar (SCHEME_V->code), SCHEME_V->value); |
3667 | new_slot_in_env (SCHEME_A_ caar (SCHEME_V->code), SCHEME_V->value); |
3729 | SCHEME_V->code = cdr (SCHEME_V->code); |
3668 | SCHEME_V->code = cdr (SCHEME_V->code); |
3730 | |
3669 | |
3731 | if (is_pair (SCHEME_V->code)) /* continue */ |
3670 | if (is_pair (SCHEME_V->code)) /* continue */ |
3732 | { |
3671 | { |
3733 | s_save (SCHEME_A_ OP_LET2AST, SCHEME_V->args, SCHEME_V->code); |
3672 | s_save (SCHEME_A_ OP_LET2AST, args, SCHEME_V->code); |
3734 | SCHEME_V->code = cadar (SCHEME_V->code); |
3673 | SCHEME_V->code = cadar (SCHEME_V->code); |
3735 | SCHEME_V->args = NIL; |
3674 | SCHEME_V->args = NIL; |
3736 | s_goto (OP_EVAL); |
3675 | s_goto (OP_EVAL); |
3737 | } |
3676 | } |
3738 | else /* end */ |
3677 | else /* end */ |
3739 | { |
3678 | { |
3740 | SCHEME_V->code = SCHEME_V->args; |
3679 | SCHEME_V->code = args; |
3741 | SCHEME_V->args = NIL; |
3680 | SCHEME_V->args = NIL; |
3742 | s_goto (OP_BEGIN); |
3681 | s_goto (OP_BEGIN); |
3743 | } |
3682 | } |
3744 | |
3683 | |
3745 | case OP_LET0REC: /* letrec */ |
3684 | case OP_LET0REC: /* letrec */ |
… | |
… | |
3748 | SCHEME_V->value = SCHEME_V->code; |
3687 | SCHEME_V->value = SCHEME_V->code; |
3749 | SCHEME_V->code = car (SCHEME_V->code); |
3688 | SCHEME_V->code = car (SCHEME_V->code); |
3750 | s_goto (OP_LET1REC); |
3689 | s_goto (OP_LET1REC); |
3751 | |
3690 | |
3752 | case OP_LET1REC: /* letrec (calculate parameters) */ |
3691 | case OP_LET1REC: /* letrec (calculate parameters) */ |
3753 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
3692 | args = cons (SCHEME_V->value, args); |
3754 | |
3693 | |
3755 | if (is_pair (SCHEME_V->code)) /* continue */ |
3694 | if (is_pair (SCHEME_V->code)) /* continue */ |
3756 | { |
3695 | { |
3757 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
3696 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
3758 | Error_1 ("Bad syntax of binding spec in letrec :", car (SCHEME_V->code)); |
3697 | Error_1 ("Bad syntax of binding spec in letrec :", car (SCHEME_V->code)); |
3759 | |
3698 | |
3760 | s_save (SCHEME_A_ OP_LET1REC, SCHEME_V->args, cdr (SCHEME_V->code)); |
3699 | s_save (SCHEME_A_ OP_LET1REC, args, cdr (SCHEME_V->code)); |
3761 | SCHEME_V->code = cadar (SCHEME_V->code); |
3700 | SCHEME_V->code = cadar (SCHEME_V->code); |
3762 | SCHEME_V->args = NIL; |
3701 | SCHEME_V->args = NIL; |
3763 | s_goto (OP_EVAL); |
3702 | s_goto (OP_EVAL); |
3764 | } |
3703 | } |
3765 | else /* end */ |
3704 | else /* end */ |
3766 | { |
3705 | { |
3767 | SCHEME_V->args = reverse_in_place (SCHEME_A_ NIL, SCHEME_V->args); |
3706 | args = reverse_in_place (SCHEME_A_ NIL, args); |
3768 | SCHEME_V->code = car (SCHEME_V->args); |
3707 | SCHEME_V->code = car (args); |
3769 | SCHEME_V->args = cdr (SCHEME_V->args); |
3708 | SCHEME_V->args = cdr (args); |
3770 | s_goto (OP_LET2REC); |
3709 | s_goto (OP_LET2REC); |
3771 | } |
3710 | } |
3772 | |
3711 | |
3773 | case OP_LET2REC: /* letrec */ |
3712 | case OP_LET2REC: /* letrec */ |
3774 | for (x = car (SCHEME_V->code), y = SCHEME_V->args; y != NIL; x = cdr (x), y = cdr (y)) |
3713 | for (x = car (SCHEME_V->code), y = args; y != NIL; x = cdr (x), y = cdr (y)) |
3775 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
3714 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
3776 | |
3715 | |
3777 | SCHEME_V->code = cdr (SCHEME_V->code); |
3716 | SCHEME_V->code = cdr (SCHEME_V->code); |
3778 | SCHEME_V->args = NIL; |
3717 | SCHEME_V->args = NIL; |
3779 | s_goto (OP_BEGIN); |
3718 | s_goto (OP_BEGIN); |
… | |
… | |
3865 | s_save (SCHEME_A_ OP_C1STREAM, NIL, cdr (SCHEME_V->code)); |
3804 | s_save (SCHEME_A_ OP_C1STREAM, NIL, cdr (SCHEME_V->code)); |
3866 | SCHEME_V->code = car (SCHEME_V->code); |
3805 | SCHEME_V->code = car (SCHEME_V->code); |
3867 | s_goto (OP_EVAL); |
3806 | s_goto (OP_EVAL); |
3868 | |
3807 | |
3869 | case OP_C1STREAM: /* cons-stream */ |
3808 | case OP_C1STREAM: /* cons-stream */ |
3870 | SCHEME_V->args = SCHEME_V->value; /* save SCHEME_V->value to register SCHEME_V->args for gc */ |
3809 | SCHEME_V->args = SCHEME_V->value; /* save SCHEME_V->value to register args for gc */ |
3871 | x = mk_closure (SCHEME_A_ cons (NIL, SCHEME_V->code), SCHEME_V->envir); |
3810 | x = mk_closure (SCHEME_A_ cons (NIL, SCHEME_V->code), SCHEME_V->envir); |
3872 | set_typeflag (x, T_PROMISE); |
3811 | set_typeflag (x, T_PROMISE); |
3873 | s_return (cons (SCHEME_V->args, x)); |
3812 | s_return (cons (args, x)); |
3874 | |
3813 | |
3875 | case OP_MACRO0: /* macro */ |
3814 | case OP_MACRO0: /* macro */ |
3876 | if (is_pair (car (SCHEME_V->code))) |
3815 | if (is_pair (car (SCHEME_V->code))) |
3877 | { |
3816 | { |
3878 | x = caar (SCHEME_V->code); |
3817 | x = caar (SCHEME_V->code); |
… | |
… | |
3911 | { |
3850 | { |
3912 | if (!is_pair (y = caar (x))) |
3851 | if (!is_pair (y = caar (x))) |
3913 | break; |
3852 | break; |
3914 | |
3853 | |
3915 | for (; y != NIL; y = cdr (y)) |
3854 | for (; y != NIL; y = cdr (y)) |
3916 | { |
|
|
3917 | if (eqv (car (y), SCHEME_V->value)) |
3855 | if (eqv (car (y), SCHEME_V->value)) |
3918 | break; |
3856 | break; |
3919 | } |
|
|
3920 | |
3857 | |
3921 | if (y != NIL) |
3858 | if (y != NIL) |
3922 | break; |
3859 | break; |
3923 | } |
3860 | } |
3924 | |
3861 | |
… | |
… | |
3944 | s_goto (OP_BEGIN); |
3881 | s_goto (OP_BEGIN); |
3945 | else |
3882 | else |
3946 | s_return (NIL); |
3883 | s_return (NIL); |
3947 | |
3884 | |
3948 | case OP_PAPPLY: /* apply */ |
3885 | case OP_PAPPLY: /* apply */ |
3949 | SCHEME_V->code = car (SCHEME_V->args); |
3886 | SCHEME_V->code = car (args); |
3950 | SCHEME_V->args = list_star (SCHEME_A_ cdr (SCHEME_V->args)); |
3887 | SCHEME_V->args = list_star (SCHEME_A_ cdr (args)); |
3951 | /*SCHEME_V->args = cadr(SCHEME_V->args); */ |
3888 | /*SCHEME_V->args = cadr(args); */ |
3952 | s_goto (OP_APPLY); |
3889 | s_goto (OP_APPLY); |
3953 | |
3890 | |
3954 | case OP_PEVAL: /* eval */ |
3891 | case OP_PEVAL: /* eval */ |
3955 | if (cdr (SCHEME_V->args) != NIL) |
3892 | if (cdr (args) != NIL) |
3956 | SCHEME_V->envir = cadr (SCHEME_V->args); |
3893 | SCHEME_V->envir = cadr (args); |
3957 | |
3894 | |
3958 | SCHEME_V->code = car (SCHEME_V->args); |
3895 | SCHEME_V->code = car (args); |
3959 | s_goto (OP_EVAL); |
3896 | s_goto (OP_EVAL); |
3960 | |
3897 | |
3961 | case OP_CONTINUATION: /* call-with-current-continuation */ |
3898 | case OP_CONTINUATION: /* call-with-current-continuation */ |
3962 | SCHEME_V->code = car (SCHEME_V->args); |
3899 | SCHEME_V->code = car (args); |
3963 | SCHEME_V->args = cons (mk_continuation (SCHEME_A_ ss_get_cont (SCHEME_A)), NIL); |
3900 | SCHEME_V->args = cons (mk_continuation (SCHEME_A_ ss_get_cont (SCHEME_A)), NIL); |
3964 | s_goto (OP_APPLY); |
3901 | s_goto (OP_APPLY); |
3965 | } |
3902 | } |
3966 | |
3903 | |
3967 | return S_T; |
3904 | if (USE_ERROR_CHECKING) abort (); |
3968 | } |
3905 | } |
3969 | |
3906 | |
3970 | static pointer |
3907 | static int |
3971 | opexe_2 (SCHEME_P_ enum scheme_opcodes op) |
3908 | opexe_1 (SCHEME_P_ enum scheme_opcodes op) |
3972 | { |
3909 | { |
3973 | pointer x; |
3910 | pointer args = SCHEME_V->args; |
|
|
3911 | pointer x = car (args); |
3974 | num v; |
3912 | num v; |
3975 | |
3913 | |
3976 | #if USE_MATH |
3914 | #if USE_MATH |
3977 | RVALUE dd; |
3915 | RVALUE dd; |
3978 | #endif |
3916 | #endif |
3979 | |
3917 | |
3980 | switch (op) |
3918 | switch (op) |
3981 | { |
3919 | { |
3982 | #if USE_MATH |
3920 | #if USE_MATH |
3983 | |
|
|
3984 | case OP_INEX2EX: /* inexact->exact */ |
3921 | case OP_INEX2EX: /* inexact->exact */ |
3985 | x = car (SCHEME_V->args); |
|
|
3986 | |
|
|
3987 | if (num_is_integer (x)) |
3922 | if (is_integer (x)) |
3988 | s_return (x); |
3923 | s_return (x); |
3989 | else if (modf (rvalue_unchecked (x), &dd) == 0.0) |
3924 | else if (modf (rvalue_unchecked (x), &dd) == 0) |
3990 | s_return (mk_integer (SCHEME_A_ ivalue (x))); |
3925 | s_return (mk_integer (SCHEME_A_ ivalue (x))); |
3991 | else |
3926 | else |
3992 | Error_1 ("inexact->exact: not integral:", x); |
3927 | Error_1 ("inexact->exact: not integral:", x); |
3993 | |
3928 | |
3994 | case OP_EXP: |
|
|
3995 | x = car (SCHEME_V->args); |
|
|
3996 | s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
3929 | case OP_EXP: s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
3997 | |
|
|
3998 | case OP_LOG: |
|
|
3999 | x = car (SCHEME_V->args); |
|
|
4000 | s_return (mk_real (SCHEME_A_ log (rvalue (x)))); |
3930 | case OP_LOG: s_return (mk_real (SCHEME_A_ log (rvalue (x)))); |
4001 | |
|
|
4002 | case OP_SIN: |
|
|
4003 | x = car (SCHEME_V->args); |
|
|
4004 | s_return (mk_real (SCHEME_A_ sin (rvalue (x)))); |
3931 | case OP_SIN: s_return (mk_real (SCHEME_A_ sin (rvalue (x)))); |
4005 | |
|
|
4006 | case OP_COS: |
|
|
4007 | x = car (SCHEME_V->args); |
|
|
4008 | s_return (mk_real (SCHEME_A_ cos (rvalue (x)))); |
3932 | case OP_COS: s_return (mk_real (SCHEME_A_ cos (rvalue (x)))); |
4009 | |
|
|
4010 | case OP_TAN: |
|
|
4011 | x = car (SCHEME_V->args); |
|
|
4012 | s_return (mk_real (SCHEME_A_ tan (rvalue (x)))); |
3933 | case OP_TAN: s_return (mk_real (SCHEME_A_ tan (rvalue (x)))); |
4013 | |
|
|
4014 | case OP_ASIN: |
|
|
4015 | x = car (SCHEME_V->args); |
|
|
4016 | s_return (mk_real (SCHEME_A_ asin (rvalue (x)))); |
3934 | case OP_ASIN: s_return (mk_real (SCHEME_A_ asin (rvalue (x)))); |
4017 | |
|
|
4018 | case OP_ACOS: |
|
|
4019 | x = car (SCHEME_V->args); |
|
|
4020 | s_return (mk_real (SCHEME_A_ acos (rvalue (x)))); |
3935 | case OP_ACOS: s_return (mk_real (SCHEME_A_ acos (rvalue (x)))); |
4021 | |
3936 | |
4022 | case OP_ATAN: |
3937 | case OP_ATAN: |
4023 | x = car (SCHEME_V->args); |
|
|
4024 | |
|
|
4025 | if (cdr (SCHEME_V->args) == NIL) |
3938 | if (cdr (args) == NIL) |
4026 | s_return (mk_real (SCHEME_A_ atan (rvalue (x)))); |
3939 | s_return (mk_real (SCHEME_A_ atan (rvalue (x)))); |
4027 | else |
3940 | else |
4028 | { |
3941 | { |
4029 | pointer y = cadr (SCHEME_V->args); |
3942 | pointer y = cadr (args); |
4030 | |
|
|
4031 | s_return (mk_real (SCHEME_A_ atan2 (rvalue (x), rvalue (y)))); |
3943 | s_return (mk_real (SCHEME_A_ atan2 (rvalue (x), rvalue (y)))); |
4032 | } |
3944 | } |
4033 | |
3945 | |
4034 | case OP_SQRT: |
3946 | case OP_SQRT: |
4035 | x = car (SCHEME_V->args); |
|
|
4036 | s_return (mk_real (SCHEME_A_ sqrt (rvalue (x)))); |
3947 | s_return (mk_real (SCHEME_A_ sqrt (rvalue (x)))); |
4037 | |
3948 | |
4038 | case OP_EXPT: |
3949 | case OP_EXPT: |
4039 | { |
3950 | { |
4040 | RVALUE result; |
3951 | RVALUE result; |
4041 | int real_result = 1; |
3952 | int real_result = 1; |
4042 | pointer y = cadr (SCHEME_V->args); |
3953 | pointer y = cadr (args); |
4043 | |
3954 | |
4044 | x = car (SCHEME_V->args); |
|
|
4045 | |
|
|
4046 | if (num_is_integer (x) && num_is_integer (y)) |
3955 | if (is_integer (x) && is_integer (y)) |
4047 | real_result = 0; |
3956 | real_result = 0; |
4048 | |
3957 | |
4049 | /* This 'if' is an R5RS compatibility fix. */ |
3958 | /* This 'if' is an R5RS compatibility fix. */ |
4050 | /* NOTE: Remove this 'if' fix for R6RS. */ |
3959 | /* NOTE: Remove this 'if' fix for R6RS. */ |
4051 | if (rvalue (x) == 0 && rvalue (y) < 0) |
3960 | if (rvalue (x) == 0 && rvalue (y) < 0) |
4052 | result = 0.0; |
3961 | result = 0; |
4053 | else |
3962 | else |
4054 | result = pow (rvalue (x), rvalue (y)); |
3963 | result = pow (rvalue (x), rvalue (y)); |
4055 | |
3964 | |
4056 | /* Before returning integer result make sure we can. */ |
3965 | /* Before returning integer result make sure we can. */ |
4057 | /* If the test fails, result is too big for integer. */ |
3966 | /* If the test fails, result is too big for integer. */ |
4058 | if (!real_result) |
3967 | if (!real_result) |
4059 | { |
3968 | { |
4060 | long result_as_long = (long) result; |
3969 | long result_as_long = result; |
4061 | |
3970 | |
4062 | if (result != (RVALUE) result_as_long) |
3971 | if (result != (RVALUE) result_as_long) |
4063 | real_result = 1; |
3972 | real_result = 1; |
4064 | } |
3973 | } |
4065 | |
3974 | |
… | |
… | |
4067 | s_return (mk_real (SCHEME_A_ result)); |
3976 | s_return (mk_real (SCHEME_A_ result)); |
4068 | else |
3977 | else |
4069 | s_return (mk_integer (SCHEME_A_ result)); |
3978 | s_return (mk_integer (SCHEME_A_ result)); |
4070 | } |
3979 | } |
4071 | |
3980 | |
4072 | case OP_FLOOR: |
|
|
4073 | x = car (SCHEME_V->args); |
|
|
4074 | s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
3981 | case OP_FLOOR: s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
4075 | |
|
|
4076 | case OP_CEILING: |
|
|
4077 | x = car (SCHEME_V->args); |
|
|
4078 | s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
3982 | case OP_CEILING: s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
4079 | |
3983 | |
4080 | case OP_TRUNCATE: |
3984 | case OP_TRUNCATE: |
4081 | { |
3985 | { |
4082 | RVALUE rvalue_of_x; |
3986 | RVALUE rvalue_of_x; |
4083 | |
3987 | |
4084 | x = car (SCHEME_V->args); |
|
|
4085 | rvalue_of_x = rvalue (x); |
3988 | rvalue_of_x = rvalue (x); |
4086 | |
3989 | |
4087 | if (rvalue_of_x > 0) |
3990 | if (rvalue_of_x > 0) |
4088 | s_return (mk_real (SCHEME_A_ floor (rvalue_of_x))); |
3991 | s_return (mk_real (SCHEME_A_ floor (rvalue_of_x))); |
4089 | else |
3992 | else |
4090 | s_return (mk_real (SCHEME_A_ ceil (rvalue_of_x))); |
3993 | s_return (mk_real (SCHEME_A_ ceil (rvalue_of_x))); |
4091 | } |
3994 | } |
4092 | |
3995 | |
4093 | case OP_ROUND: |
3996 | case OP_ROUND: |
4094 | x = car (SCHEME_V->args); |
|
|
4095 | |
|
|
4096 | if (num_is_integer (x)) |
3997 | if (num_is_integer (x)) |
4097 | s_return (x); |
3998 | s_return (x); |
4098 | |
3999 | |
4099 | s_return (mk_real (SCHEME_A_ round_per_R5RS (rvalue (x)))); |
4000 | s_return (mk_real (SCHEME_A_ round_per_R5RS (rvalue (x)))); |
4100 | #endif |
4001 | #endif |
4101 | |
4002 | |
4102 | case OP_ADD: /* + */ |
4003 | case OP_ADD: /* + */ |
4103 | v = num_zero; |
4004 | v = num_zero; |
4104 | |
4005 | |
4105 | for (x = SCHEME_V->args; x != NIL; x = cdr (x)) |
4006 | for (x = args; x != NIL; x = cdr (x)) |
4106 | v = num_add (v, nvalue (car (x))); |
4007 | v = num_op (NUM_ADD, v, nvalue (car (x))); |
4107 | |
4008 | |
4108 | s_return (mk_number (SCHEME_A_ v)); |
4009 | s_return (mk_number (SCHEME_A_ v)); |
4109 | |
4010 | |
4110 | case OP_MUL: /* * */ |
4011 | case OP_MUL: /* * */ |
4111 | v = num_one; |
4012 | v = num_one; |
4112 | |
4013 | |
4113 | for (x = SCHEME_V->args; x != NIL; x = cdr (x)) |
4014 | for (x = args; x != NIL; x = cdr (x)) |
4114 | v = num_mul (v, nvalue (car (x))); |
4015 | v = num_op (NUM_MUL, v, nvalue (car (x))); |
4115 | |
4016 | |
4116 | s_return (mk_number (SCHEME_A_ v)); |
4017 | s_return (mk_number (SCHEME_A_ v)); |
4117 | |
4018 | |
4118 | case OP_SUB: /* - */ |
4019 | case OP_SUB: /* - */ |
4119 | if (cdr (SCHEME_V->args) == NIL) |
4020 | if (cdr (args) == NIL) |
4120 | { |
4021 | { |
4121 | x = SCHEME_V->args; |
4022 | x = args; |
4122 | v = num_zero; |
4023 | v = num_zero; |
4123 | } |
4024 | } |
4124 | else |
4025 | else |
4125 | { |
4026 | { |
4126 | x = cdr (SCHEME_V->args); |
4027 | x = cdr (args); |
4127 | v = nvalue (car (SCHEME_V->args)); |
4028 | v = nvalue (car (args)); |
4128 | } |
4029 | } |
4129 | |
4030 | |
4130 | for (; x != NIL; x = cdr (x)) |
4031 | for (; x != NIL; x = cdr (x)) |
4131 | v = num_sub (v, nvalue (car (x))); |
4032 | v = num_op (NUM_SUB, v, nvalue (car (x))); |
4132 | |
4033 | |
4133 | s_return (mk_number (SCHEME_A_ v)); |
4034 | s_return (mk_number (SCHEME_A_ v)); |
4134 | |
4035 | |
4135 | case OP_DIV: /* / */ |
4036 | case OP_DIV: /* / */ |
4136 | if (cdr (SCHEME_V->args) == NIL) |
4037 | if (cdr (args) == NIL) |
4137 | { |
4038 | { |
4138 | x = SCHEME_V->args; |
4039 | x = args; |
4139 | v = num_one; |
4040 | v = num_one; |
4140 | } |
4041 | } |
4141 | else |
4042 | else |
4142 | { |
4043 | { |
4143 | x = cdr (SCHEME_V->args); |
4044 | x = cdr (args); |
4144 | v = nvalue (car (SCHEME_V->args)); |
4045 | v = nvalue (car (args)); |
4145 | } |
4046 | } |
4146 | |
4047 | |
4147 | for (; x != NIL; x = cdr (x)) |
4048 | for (; x != NIL; x = cdr (x)) |
4148 | { |
|
|
4149 | if (!is_zero_rvalue (rvalue (car (x)))) |
4049 | if (!is_zero_rvalue (rvalue (car (x)))) |
4150 | v = num_div (v, nvalue (car (x))); |
4050 | v = num_div (v, nvalue (car (x))); |
4151 | else |
4051 | else |
4152 | Error_0 ("/: division by zero"); |
4052 | Error_0 ("/: division by zero"); |
4153 | } |
|
|
4154 | |
4053 | |
4155 | s_return (mk_number (SCHEME_A_ v)); |
4054 | s_return (mk_number (SCHEME_A_ v)); |
4156 | |
4055 | |
4157 | case OP_INTDIV: /* quotient */ |
4056 | case OP_INTDIV: /* quotient */ |
4158 | if (cdr (SCHEME_V->args) == NIL) |
4057 | if (cdr (args) == NIL) |
4159 | { |
4058 | { |
4160 | x = SCHEME_V->args; |
4059 | x = args; |
4161 | v = num_one; |
4060 | v = num_one; |
4162 | } |
4061 | } |
4163 | else |
4062 | else |
4164 | { |
4063 | { |
4165 | x = cdr (SCHEME_V->args); |
4064 | x = cdr (args); |
4166 | v = nvalue (car (SCHEME_V->args)); |
4065 | v = nvalue (car (args)); |
4167 | } |
4066 | } |
4168 | |
4067 | |
4169 | for (; x != NIL; x = cdr (x)) |
4068 | for (; x != NIL; x = cdr (x)) |
4170 | { |
4069 | { |
4171 | if (ivalue (car (x)) != 0) |
4070 | if (ivalue (car (x)) != 0) |
4172 | v = num_intdiv (v, nvalue (car (x))); |
4071 | v = num_op (NUM_INTDIV, v, nvalue (car (x))); |
4173 | else |
4072 | else |
4174 | Error_0 ("quotient: division by zero"); |
4073 | Error_0 ("quotient: division by zero"); |
4175 | } |
4074 | } |
4176 | |
4075 | |
4177 | s_return (mk_number (SCHEME_A_ v)); |
4076 | s_return (mk_number (SCHEME_A_ v)); |
4178 | |
4077 | |
4179 | case OP_REM: /* remainder */ |
4078 | case OP_REM: /* remainder */ |
4180 | v = nvalue (car (SCHEME_V->args)); |
4079 | v = nvalue (x); |
4181 | |
4080 | |
4182 | if (ivalue (cadr (SCHEME_V->args)) != 0) |
4081 | if (ivalue (cadr (args)) != 0) |
4183 | v = num_rem (v, nvalue (cadr (SCHEME_V->args))); |
4082 | v = num_rem (v, nvalue (cadr (args))); |
4184 | else |
4083 | else |
4185 | Error_0 ("remainder: division by zero"); |
4084 | Error_0 ("remainder: division by zero"); |
4186 | |
4085 | |
4187 | s_return (mk_number (SCHEME_A_ v)); |
4086 | s_return (mk_number (SCHEME_A_ v)); |
4188 | |
4087 | |
4189 | case OP_MOD: /* modulo */ |
4088 | case OP_MOD: /* modulo */ |
4190 | v = nvalue (car (SCHEME_V->args)); |
4089 | v = nvalue (x); |
4191 | |
4090 | |
4192 | if (ivalue (cadr (SCHEME_V->args)) != 0) |
4091 | if (ivalue (cadr (args)) != 0) |
4193 | v = num_mod (v, nvalue (cadr (SCHEME_V->args))); |
4092 | v = num_mod (v, nvalue (cadr (args))); |
4194 | else |
4093 | else |
4195 | Error_0 ("modulo: division by zero"); |
4094 | Error_0 ("modulo: division by zero"); |
4196 | |
4095 | |
4197 | s_return (mk_number (SCHEME_A_ v)); |
4096 | s_return (mk_number (SCHEME_A_ v)); |
4198 | |
4097 | |
4199 | case OP_CAR: /* car */ |
4098 | case OP_CAR: /* car */ |
4200 | s_return (caar (SCHEME_V->args)); |
4099 | s_return (caar (args)); |
4201 | |
4100 | |
4202 | case OP_CDR: /* cdr */ |
4101 | case OP_CDR: /* cdr */ |
4203 | s_return (cdar (SCHEME_V->args)); |
4102 | s_return (cdar (args)); |
4204 | |
4103 | |
4205 | case OP_CONS: /* cons */ |
4104 | case OP_CONS: /* cons */ |
4206 | set_cdr (SCHEME_V->args, cadr (SCHEME_V->args)); |
4105 | set_cdr (args, cadr (args)); |
4207 | s_return (SCHEME_V->args); |
4106 | s_return (args); |
4208 | |
4107 | |
4209 | case OP_SETCAR: /* set-car! */ |
4108 | case OP_SETCAR: /* set-car! */ |
4210 | if (!is_immutable (car (SCHEME_V->args))) |
4109 | if (!is_immutable (x)) |
4211 | { |
4110 | { |
4212 | set_car (car (SCHEME_V->args), cadr (SCHEME_V->args)); |
4111 | set_car (x, cadr (args)); |
4213 | s_return (car (SCHEME_V->args)); |
4112 | s_return (car (args)); |
4214 | } |
4113 | } |
4215 | else |
4114 | else |
4216 | Error_0 ("set-car!: unable to alter immutable pair"); |
4115 | Error_0 ("set-car!: unable to alter immutable pair"); |
4217 | |
4116 | |
4218 | case OP_SETCDR: /* set-cdr! */ |
4117 | case OP_SETCDR: /* set-cdr! */ |
4219 | if (!is_immutable (car (SCHEME_V->args))) |
4118 | if (!is_immutable (x)) |
4220 | { |
4119 | { |
4221 | set_cdr (car (SCHEME_V->args), cadr (SCHEME_V->args)); |
4120 | set_cdr (x, cadr (args)); |
4222 | s_return (car (SCHEME_V->args)); |
4121 | s_return (car (args)); |
4223 | } |
4122 | } |
4224 | else |
4123 | else |
4225 | Error_0 ("set-cdr!: unable to alter immutable pair"); |
4124 | Error_0 ("set-cdr!: unable to alter immutable pair"); |
4226 | |
4125 | |
4227 | case OP_CHAR2INT: /* char->integer */ |
4126 | case OP_CHAR2INT: /* char->integer */ |
4228 | s_return (mk_integer (SCHEME_A_ ivalue (car (SCHEME_V->args)))); |
4127 | s_return (mk_integer (SCHEME_A_ ivalue (x))); |
4229 | |
4128 | |
4230 | case OP_INT2CHAR: /* integer->char */ |
4129 | case OP_INT2CHAR: /* integer->char */ |
4231 | s_return (mk_character (SCHEME_A_ ivalue (car (SCHEME_V->args)))); |
4130 | s_return (mk_character (SCHEME_A_ ivalue (x))); |
4232 | |
4131 | |
4233 | case OP_CHARUPCASE: |
4132 | case OP_CHARUPCASE: |
4234 | { |
4133 | { |
4235 | unsigned char c = ivalue (car (SCHEME_V->args)); |
4134 | unsigned char c = ivalue (x); |
4236 | c = toupper (c); |
4135 | c = toupper (c); |
4237 | s_return (mk_character (SCHEME_A_ c)); |
4136 | s_return (mk_character (SCHEME_A_ c)); |
4238 | } |
4137 | } |
4239 | |
4138 | |
4240 | case OP_CHARDNCASE: |
4139 | case OP_CHARDNCASE: |
4241 | { |
4140 | { |
4242 | unsigned char c = ivalue (car (SCHEME_V->args)); |
4141 | unsigned char c = ivalue (x); |
4243 | c = tolower (c); |
4142 | c = tolower (c); |
4244 | s_return (mk_character (SCHEME_A_ c)); |
4143 | s_return (mk_character (SCHEME_A_ c)); |
4245 | } |
4144 | } |
4246 | |
4145 | |
4247 | case OP_STR2SYM: /* string->symbol */ |
4146 | case OP_STR2SYM: /* string->symbol */ |
4248 | s_return (mk_symbol (SCHEME_A_ strvalue (car (SCHEME_V->args)))); |
4147 | s_return (mk_symbol (SCHEME_A_ strvalue (x))); |
4249 | |
4148 | |
4250 | case OP_STR2ATOM: /* string->atom */ |
4149 | case OP_STR2ATOM: /* string->atom */ |
4251 | { |
4150 | { |
4252 | char *s = strvalue (car (SCHEME_V->args)); |
4151 | char *s = strvalue (x); |
4253 | long pf = 0; |
4152 | long pf = 0; |
4254 | |
4153 | |
4255 | if (cdr (SCHEME_V->args) != NIL) |
4154 | if (cdr (args) != NIL) |
4256 | { |
4155 | { |
4257 | /* we know cadr(SCHEME_V->args) is a natural number */ |
4156 | /* we know cadr(args) is a natural number */ |
4258 | /* see if it is 2, 8, 10, or 16, or error */ |
4157 | /* see if it is 2, 8, 10, or 16, or error */ |
4259 | pf = ivalue_unchecked (cadr (SCHEME_V->args)); |
4158 | pf = ivalue_unchecked (cadr (args)); |
4260 | |
4159 | |
4261 | if (pf == 16 || pf == 10 || pf == 8 || pf == 2) |
4160 | if (pf == 16 || pf == 10 || pf == 8 || pf == 2) |
4262 | { |
4161 | { |
4263 | /* base is OK */ |
4162 | /* base is OK */ |
4264 | } |
4163 | } |
4265 | else |
4164 | else |
4266 | pf = -1; |
4165 | pf = -1; |
4267 | } |
4166 | } |
4268 | |
4167 | |
4269 | if (pf < 0) |
4168 | if (pf < 0) |
4270 | Error_1 ("string->atom: bad base:", cadr (SCHEME_V->args)); |
4169 | Error_1 ("string->atom: bad base:", cadr (args)); |
4271 | else if (*s == '#') /* no use of base! */ |
4170 | else if (*s == '#') /* no use of base! */ |
4272 | s_return (mk_sharp_const (SCHEME_A_ s + 1)); |
4171 | s_return (mk_sharp_const (SCHEME_A_ s + 1)); |
4273 | else |
4172 | else |
4274 | { |
4173 | { |
4275 | if (pf == 0 || pf == 10) |
4174 | if (pf == 0 || pf == 10) |
… | |
… | |
4286 | } |
4185 | } |
4287 | } |
4186 | } |
4288 | } |
4187 | } |
4289 | |
4188 | |
4290 | case OP_SYM2STR: /* symbol->string */ |
4189 | case OP_SYM2STR: /* symbol->string */ |
4291 | x = mk_string (SCHEME_A_ symname (car (SCHEME_V->args))); |
4190 | x = mk_string (SCHEME_A_ symname (x)); |
4292 | setimmutable (x); |
4191 | setimmutable (x); |
4293 | s_return (x); |
4192 | s_return (x); |
4294 | |
4193 | |
4295 | case OP_ATOM2STR: /* atom->string */ |
4194 | case OP_ATOM2STR: /* atom->string */ |
4296 | { |
4195 | { |
4297 | long pf = 0; |
4196 | long pf = 0; |
4298 | |
4197 | |
4299 | x = car (SCHEME_V->args); |
|
|
4300 | |
|
|
4301 | if (cdr (SCHEME_V->args) != NIL) |
4198 | if (cdr (args) != NIL) |
4302 | { |
4199 | { |
4303 | /* we know cadr(SCHEME_V->args) is a natural number */ |
4200 | /* we know cadr(args) is a natural number */ |
4304 | /* see if it is 2, 8, 10, or 16, or error */ |
4201 | /* see if it is 2, 8, 10, or 16, or error */ |
4305 | pf = ivalue_unchecked (cadr (SCHEME_V->args)); |
4202 | pf = ivalue_unchecked (cadr (args)); |
4306 | |
4203 | |
4307 | if (is_number (x) && (pf == 16 || pf == 10 || pf == 8 || pf == 2)) |
4204 | if (is_number (x) && (pf == 16 || pf == 10 || pf == 8 || pf == 2)) |
4308 | { |
4205 | { |
4309 | /* base is OK */ |
4206 | /* base is OK */ |
4310 | } |
4207 | } |
4311 | else |
4208 | else |
4312 | pf = -1; |
4209 | pf = -1; |
4313 | } |
4210 | } |
4314 | |
4211 | |
4315 | if (pf < 0) |
4212 | if (pf < 0) |
4316 | Error_1 ("atom->string: bad base:", cadr (SCHEME_V->args)); |
4213 | Error_1 ("atom->string: bad base:", cadr (args)); |
4317 | else if (is_number (x) || is_character (x) || is_string (x) || is_symbol (x)) |
4214 | else if (is_number (x) || is_character (x) || is_string (x) || is_symbol (x)) |
4318 | { |
4215 | { |
4319 | char *p; |
4216 | char *p; |
4320 | int len; |
4217 | int len; |
4321 | |
4218 | |
… | |
… | |
4329 | case OP_MKSTRING: /* make-string */ |
4226 | case OP_MKSTRING: /* make-string */ |
4330 | { |
4227 | { |
4331 | int fill = ' '; |
4228 | int fill = ' '; |
4332 | int len; |
4229 | int len; |
4333 | |
4230 | |
4334 | len = ivalue (car (SCHEME_V->args)); |
4231 | len = ivalue (x); |
4335 | |
4232 | |
4336 | if (cdr (SCHEME_V->args) != NIL) |
4233 | if (cdr (args) != NIL) |
4337 | fill = charvalue (cadr (SCHEME_V->args)); |
4234 | fill = charvalue (cadr (args)); |
4338 | |
4235 | |
4339 | s_return (mk_empty_string (SCHEME_A_ len, (char) fill)); |
4236 | s_return (mk_empty_string (SCHEME_A_ len, fill)); |
4340 | } |
4237 | } |
4341 | |
4238 | |
4342 | case OP_STRLEN: /* string-length */ |
4239 | case OP_STRLEN: /* string-length */ |
4343 | s_return (mk_integer (SCHEME_A_ strlength (car (SCHEME_V->args)))); |
4240 | s_return (mk_integer (SCHEME_A_ strlength (x))); |
4344 | |
4241 | |
4345 | case OP_STRREF: /* string-ref */ |
4242 | case OP_STRREF: /* string-ref */ |
4346 | { |
4243 | { |
4347 | char *str; |
4244 | char *str; |
4348 | int index; |
4245 | int index; |
4349 | |
4246 | |
4350 | str = strvalue (car (SCHEME_V->args)); |
4247 | str = strvalue (x); |
4351 | |
4248 | |
4352 | index = ivalue (cadr (SCHEME_V->args)); |
4249 | index = ivalue (cadr (args)); |
4353 | |
4250 | |
4354 | if (index >= strlength (car (SCHEME_V->args))) |
4251 | if (index >= strlength (x)) |
4355 | Error_1 ("string-ref: out of bounds:", cadr (SCHEME_V->args)); |
4252 | Error_1 ("string-ref: out of bounds:", cadr (args)); |
4356 | |
4253 | |
4357 | s_return (mk_character (SCHEME_A_ ((unsigned char *) str)[index])); |
4254 | s_return (mk_character (SCHEME_A_ ((unsigned char *)str)[index])); |
4358 | } |
4255 | } |
4359 | |
4256 | |
4360 | case OP_STRSET: /* string-set! */ |
4257 | case OP_STRSET: /* string-set! */ |
4361 | { |
4258 | { |
4362 | char *str; |
4259 | char *str; |
4363 | int index; |
4260 | int index; |
4364 | int c; |
4261 | int c; |
4365 | |
4262 | |
4366 | if (is_immutable (car (SCHEME_V->args))) |
4263 | if (is_immutable (x)) |
4367 | Error_1 ("string-set!: unable to alter immutable string:", car (SCHEME_V->args)); |
4264 | Error_1 ("string-set!: unable to alter immutable string:", x); |
4368 | |
4265 | |
4369 | str = strvalue (car (SCHEME_V->args)); |
4266 | str = strvalue (x); |
4370 | |
4267 | |
4371 | index = ivalue (cadr (SCHEME_V->args)); |
4268 | index = ivalue (cadr (args)); |
4372 | |
4269 | |
4373 | if (index >= strlength (car (SCHEME_V->args))) |
4270 | if (index >= strlength (x)) |
4374 | Error_1 ("string-set!: out of bounds:", cadr (SCHEME_V->args)); |
4271 | Error_1 ("string-set!: out of bounds:", cadr (args)); |
4375 | |
4272 | |
4376 | c = charvalue (caddr (SCHEME_V->args)); |
4273 | c = charvalue (caddr (args)); |
4377 | |
4274 | |
4378 | str[index] = (char) c; |
4275 | str[index] = c; |
4379 | s_return (car (SCHEME_V->args)); |
4276 | s_return (car (args)); |
4380 | } |
4277 | } |
4381 | |
4278 | |
4382 | case OP_STRAPPEND: /* string-append */ |
4279 | case OP_STRAPPEND: /* string-append */ |
4383 | { |
4280 | { |
4384 | /* in 1.29 string-append was in Scheme in init.scm but was too slow */ |
4281 | /* in 1.29 string-append was in Scheme in init.scm but was too slow */ |
4385 | int len = 0; |
4282 | int len = 0; |
4386 | pointer newstr; |
4283 | pointer newstr; |
4387 | char *pos; |
4284 | char *pos; |
4388 | |
4285 | |
4389 | /* compute needed length for new string */ |
4286 | /* compute needed length for new string */ |
4390 | for (x = SCHEME_V->args; x != NIL; x = cdr (x)) |
4287 | for (x = args; x != NIL; x = cdr (x)) |
4391 | len += strlength (car (x)); |
4288 | len += strlength (car (x)); |
4392 | |
4289 | |
4393 | newstr = mk_empty_string (SCHEME_A_ len, ' '); |
4290 | newstr = mk_empty_string (SCHEME_A_ len, ' '); |
4394 | |
4291 | |
4395 | /* store the contents of the argument strings into the new string */ |
4292 | /* store the contents of the argument strings into the new string */ |
4396 | for (pos = strvalue (newstr), x = SCHEME_V->args; x != NIL; pos += strlength (car (x)), x = cdr (x)) |
4293 | for (pos = strvalue (newstr), x = args; x != NIL; pos += strlength (car (x)), x = cdr (x)) |
4397 | memcpy (pos, strvalue (car (x)), strlength (car (x))); |
4294 | memcpy (pos, strvalue (car (x)), strlength (car (x))); |
4398 | |
4295 | |
4399 | s_return (newstr); |
4296 | s_return (newstr); |
4400 | } |
4297 | } |
4401 | |
4298 | |
… | |
… | |
4404 | char *str; |
4301 | char *str; |
4405 | int index0; |
4302 | int index0; |
4406 | int index1; |
4303 | int index1; |
4407 | int len; |
4304 | int len; |
4408 | |
4305 | |
4409 | str = strvalue (car (SCHEME_V->args)); |
4306 | str = strvalue (x); |
4410 | |
4307 | |
4411 | index0 = ivalue (cadr (SCHEME_V->args)); |
4308 | index0 = ivalue (cadr (args)); |
4412 | |
4309 | |
4413 | if (index0 > strlength (car (SCHEME_V->args))) |
4310 | if (index0 > strlength (x)) |
4414 | Error_1 ("substring: start out of bounds:", cadr (SCHEME_V->args)); |
4311 | Error_1 ("substring: start out of bounds:", cadr (args)); |
4415 | |
4312 | |
4416 | if (cddr (SCHEME_V->args) != NIL) |
4313 | if (cddr (args) != NIL) |
4417 | { |
4314 | { |
4418 | index1 = ivalue (caddr (SCHEME_V->args)); |
4315 | index1 = ivalue (caddr (args)); |
4419 | |
4316 | |
4420 | if (index1 > strlength (car (SCHEME_V->args)) || index1 < index0) |
4317 | if (index1 > strlength (x) || index1 < index0) |
4421 | Error_1 ("substring: end out of bounds:", caddr (SCHEME_V->args)); |
4318 | Error_1 ("substring: end out of bounds:", caddr (args)); |
4422 | } |
4319 | } |
4423 | else |
4320 | else |
4424 | index1 = strlength (car (SCHEME_V->args)); |
4321 | index1 = strlength (x); |
4425 | |
4322 | |
4426 | len = index1 - index0; |
4323 | len = index1 - index0; |
4427 | x = mk_empty_string (SCHEME_A_ len, ' '); |
4324 | x = mk_empty_string (SCHEME_A_ len, ' '); |
4428 | memcpy (strvalue (x), str + index0, len); |
4325 | memcpy (strvalue (x), str + index0, len); |
4429 | strvalue (x)[len] = 0; |
4326 | strvalue (x)[len] = 0; |
… | |
… | |
4433 | |
4330 | |
4434 | case OP_VECTOR: /* vector */ |
4331 | case OP_VECTOR: /* vector */ |
4435 | { |
4332 | { |
4436 | int i; |
4333 | int i; |
4437 | pointer vec; |
4334 | pointer vec; |
4438 | int len = list_length (SCHEME_A_ SCHEME_V->args); |
4335 | int len = list_length (SCHEME_A_ args); |
4439 | |
4336 | |
4440 | if (len < 0) |
4337 | if (len < 0) |
4441 | Error_1 ("vector: not a proper list:", SCHEME_V->args); |
4338 | Error_1 ("vector: not a proper list:", args); |
4442 | |
4339 | |
4443 | vec = mk_vector (SCHEME_A_ len); |
4340 | vec = mk_vector (SCHEME_A_ len); |
4444 | |
4341 | |
4445 | #if USE_ERROR_CHECKING |
4342 | #if USE_ERROR_CHECKING |
4446 | if (SCHEME_V->no_memory) |
4343 | if (SCHEME_V->no_memory) |
4447 | s_return (S_SINK); |
4344 | s_return (S_SINK); |
4448 | #endif |
4345 | #endif |
4449 | |
4346 | |
4450 | for (x = SCHEME_V->args, i = 0; is_pair (x); x = cdr (x), i++) |
4347 | for (x = args, i = 0; is_pair (x); x = cdr (x), i++) |
4451 | set_vector_elem (vec, i, car (x)); |
4348 | set_vector_elem (vec, i, car (x)); |
4452 | |
4349 | |
4453 | s_return (vec); |
4350 | s_return (vec); |
4454 | } |
4351 | } |
4455 | |
4352 | |
… | |
… | |
4457 | { |
4354 | { |
4458 | pointer fill = NIL; |
4355 | pointer fill = NIL; |
4459 | int len; |
4356 | int len; |
4460 | pointer vec; |
4357 | pointer vec; |
4461 | |
4358 | |
4462 | len = ivalue (car (SCHEME_V->args)); |
4359 | len = ivalue (x); |
4463 | |
4360 | |
4464 | if (cdr (SCHEME_V->args) != NIL) |
4361 | if (cdr (args) != NIL) |
4465 | fill = cadr (SCHEME_V->args); |
4362 | fill = cadr (args); |
4466 | |
4363 | |
4467 | vec = mk_vector (SCHEME_A_ len); |
4364 | vec = mk_vector (SCHEME_A_ len); |
4468 | |
4365 | |
4469 | #if USE_ERROR_CHECKING |
4366 | #if USE_ERROR_CHECKING |
4470 | if (SCHEME_V->no_memory) |
4367 | if (SCHEME_V->no_memory) |
… | |
… | |
4476 | |
4373 | |
4477 | s_return (vec); |
4374 | s_return (vec); |
4478 | } |
4375 | } |
4479 | |
4376 | |
4480 | case OP_VECLEN: /* vector-length */ |
4377 | case OP_VECLEN: /* vector-length */ |
4481 | s_return (mk_integer (SCHEME_A_ veclength (car (SCHEME_V->args)))); |
4378 | s_return (mk_integer (SCHEME_A_ veclength (x))); |
4482 | |
4379 | |
4483 | case OP_VECREF: /* vector-ref */ |
4380 | case OP_VECREF: /* vector-ref */ |
4484 | { |
4381 | { |
4485 | int index; |
4382 | int index; |
4486 | |
4383 | |
4487 | index = ivalue (cadr (SCHEME_V->args)); |
4384 | index = ivalue (cadr (args)); |
4488 | |
4385 | |
4489 | if (index >= veclength (car (SCHEME_V->args)) && USE_ERROR_CHECKING) |
4386 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4490 | Error_1 ("vector-ref: out of bounds:", cadr (SCHEME_V->args)); |
4387 | Error_1 ("vector-ref: out of bounds:", cadr (args)); |
4491 | |
4388 | |
4492 | s_return (vector_elem (car (SCHEME_V->args), index)); |
4389 | s_return (vector_elem (x, index)); |
4493 | } |
4390 | } |
4494 | |
4391 | |
4495 | case OP_VECSET: /* vector-set! */ |
4392 | case OP_VECSET: /* vector-set! */ |
4496 | { |
4393 | { |
4497 | int index; |
4394 | int index; |
4498 | |
4395 | |
4499 | if (is_immutable (car (SCHEME_V->args))) |
4396 | if (is_immutable (x)) |
4500 | Error_1 ("vector-set!: unable to alter immutable vector:", car (SCHEME_V->args)); |
4397 | Error_1 ("vector-set!: unable to alter immutable vector:", x); |
4501 | |
4398 | |
4502 | index = ivalue (cadr (SCHEME_V->args)); |
4399 | index = ivalue (cadr (args)); |
4503 | |
4400 | |
4504 | if (index >= veclength (car (SCHEME_V->args)) && USE_ERROR_CHECKING) |
4401 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4505 | Error_1 ("vector-set!: out of bounds:", cadr (SCHEME_V->args)); |
4402 | Error_1 ("vector-set!: out of bounds:", cadr (args)); |
4506 | |
4403 | |
4507 | set_vector_elem (car (SCHEME_V->args), index, caddr (SCHEME_V->args)); |
4404 | set_vector_elem (x, index, caddr (args)); |
4508 | s_return (car (SCHEME_V->args)); |
4405 | s_return (x); |
4509 | } |
4406 | } |
4510 | } |
4407 | } |
4511 | |
4408 | |
4512 | return S_T; |
4409 | if (USE_ERROR_CHECKING) abort (); |
4513 | } |
4410 | } |
4514 | |
4411 | |
4515 | INTERFACE int |
4412 | INTERFACE int |
4516 | is_list (SCHEME_P_ pointer a) |
4413 | is_list (SCHEME_P_ pointer a) |
4517 | { |
4414 | { |
… | |
… | |
4564 | return -1; |
4461 | return -1; |
4565 | } |
4462 | } |
4566 | } |
4463 | } |
4567 | } |
4464 | } |
4568 | |
4465 | |
4569 | static pointer |
4466 | static int |
|
|
4467 | opexe_2 (SCHEME_P_ enum scheme_opcodes op) |
|
|
4468 | { |
|
|
4469 | pointer x = SCHEME_V->args; |
|
|
4470 | |
|
|
4471 | for (;;) |
|
|
4472 | { |
|
|
4473 | num v = nvalue (car (x)); |
|
|
4474 | x = cdr (x); |
|
|
4475 | |
|
|
4476 | if (x == NIL) |
|
|
4477 | break; |
|
|
4478 | |
|
|
4479 | int r = num_cmp (v, nvalue (car (x))); |
|
|
4480 | |
|
|
4481 | switch (op) |
|
|
4482 | { |
|
|
4483 | case OP_NUMEQ: r = r == 0; break; |
|
|
4484 | case OP_LESS: r = r < 0; break; |
|
|
4485 | case OP_GRE: r = r > 0; break; |
|
|
4486 | case OP_LEQ: r = r <= 0; break; |
|
|
4487 | case OP_GEQ: r = r >= 0; break; |
|
|
4488 | } |
|
|
4489 | |
|
|
4490 | if (!r) |
|
|
4491 | s_return (S_F); |
|
|
4492 | } |
|
|
4493 | |
|
|
4494 | s_return (S_T); |
|
|
4495 | } |
|
|
4496 | |
|
|
4497 | static int |
4570 | opexe_3 (SCHEME_P_ enum scheme_opcodes op) |
4498 | opexe_3 (SCHEME_P_ enum scheme_opcodes op) |
4571 | { |
4499 | { |
4572 | pointer x; |
4500 | pointer args = SCHEME_V->args; |
4573 | num v; |
4501 | pointer a = car (args); |
4574 | int (*comp_func) (num, num); |
4502 | pointer d = cdr (args); |
|
|
4503 | int r; |
4575 | |
4504 | |
4576 | switch (op) |
4505 | switch (op) |
4577 | { |
4506 | { |
4578 | case OP_NOT: /* not */ |
4507 | case OP_NOT: /* not */ r = is_false (a) ; break; |
4579 | s_retbool (is_false (car (SCHEME_V->args))); |
4508 | case OP_BOOLP: /* boolean? */ r = a == S_F || a == S_T; break; |
|
|
4509 | case OP_EOFOBJP: /* eof-object? */ r = a == S_EOF ; break; |
|
|
4510 | case OP_NULLP: /* null? */ r = a == NIL ; break; |
|
|
4511 | case OP_SYMBOLP: /* symbol? */ r = is_symbol (a) ; break; |
|
|
4512 | case OP_NUMBERP: /* number? */ r = is_number (a) ; break; |
|
|
4513 | case OP_STRINGP: /* string? */ r = is_string (a) ; break; |
|
|
4514 | case OP_INTEGERP: /* integer? */ r = is_integer (a) ; break; |
|
|
4515 | case OP_REALP: /* real? */ r = is_number (a) ; break; /* all numbers are real */ |
|
|
4516 | case OP_CHARP: /* char? */ r = is_character (a) ; break; |
4580 | |
4517 | |
4581 | case OP_BOOLP: /* boolean? */ |
|
|
4582 | s_retbool (car (SCHEME_V->args) == S_F || car (SCHEME_V->args) == S_T); |
|
|
4583 | |
|
|
4584 | case OP_EOFOBJP: /* boolean? */ |
|
|
4585 | s_retbool (car (SCHEME_V->args) == S_EOF); |
|
|
4586 | |
|
|
4587 | case OP_NULLP: /* null? */ |
|
|
4588 | s_retbool (car (SCHEME_V->args) == NIL); |
|
|
4589 | |
|
|
4590 | case OP_NUMEQ: /* = */ |
|
|
4591 | case OP_LESS: /* < */ |
|
|
4592 | case OP_GRE: /* > */ |
|
|
4593 | case OP_LEQ: /* <= */ |
|
|
4594 | case OP_GEQ: /* >= */ |
|
|
4595 | switch (op) |
|
|
4596 | { |
|
|
4597 | case OP_NUMEQ: |
|
|
4598 | comp_func = num_eq; |
|
|
4599 | break; |
|
|
4600 | |
|
|
4601 | case OP_LESS: |
|
|
4602 | comp_func = num_lt; |
|
|
4603 | break; |
|
|
4604 | |
|
|
4605 | case OP_GRE: |
|
|
4606 | comp_func = num_gt; |
|
|
4607 | break; |
|
|
4608 | |
|
|
4609 | case OP_LEQ: |
|
|
4610 | comp_func = num_le; |
|
|
4611 | break; |
|
|
4612 | |
|
|
4613 | case OP_GEQ: |
|
|
4614 | comp_func = num_ge; |
|
|
4615 | break; |
|
|
4616 | } |
|
|
4617 | |
|
|
4618 | x = SCHEME_V->args; |
|
|
4619 | v = nvalue (car (x)); |
|
|
4620 | x = cdr (x); |
|
|
4621 | |
|
|
4622 | for (; x != NIL; x = cdr (x)) |
|
|
4623 | { |
|
|
4624 | if (!comp_func (v, nvalue (car (x)))) |
|
|
4625 | s_retbool (0); |
|
|
4626 | |
|
|
4627 | v = nvalue (car (x)); |
|
|
4628 | } |
|
|
4629 | |
|
|
4630 | s_retbool (1); |
|
|
4631 | |
|
|
4632 | case OP_SYMBOLP: /* symbol? */ |
|
|
4633 | s_retbool (is_symbol (car (SCHEME_V->args))); |
|
|
4634 | |
|
|
4635 | case OP_NUMBERP: /* number? */ |
|
|
4636 | s_retbool (is_number (car (SCHEME_V->args))); |
|
|
4637 | |
|
|
4638 | case OP_STRINGP: /* string? */ |
|
|
4639 | s_retbool (is_string (car (SCHEME_V->args))); |
|
|
4640 | |
|
|
4641 | case OP_INTEGERP: /* integer? */ |
|
|
4642 | s_retbool (is_integer (car (SCHEME_V->args))); |
|
|
4643 | |
|
|
4644 | case OP_REALP: /* real? */ |
|
|
4645 | s_retbool (is_number (car (SCHEME_V->args))); /* All numbers are real */ |
|
|
4646 | |
|
|
4647 | case OP_CHARP: /* char? */ |
|
|
4648 | s_retbool (is_character (car (SCHEME_V->args))); |
|
|
4649 | #if USE_CHAR_CLASSIFIERS |
4518 | #if USE_CHAR_CLASSIFIERS |
4650 | |
|
|
4651 | case OP_CHARAP: /* char-alphabetic? */ |
4519 | case OP_CHARAP: /* char-alphabetic? */ r = Cisalpha (ivalue (a)); break; |
4652 | s_retbool (Cisalpha (ivalue (car (SCHEME_V->args)))); |
4520 | case OP_CHARNP: /* char-numeric? */ r = Cisdigit (ivalue (a)); break; |
4653 | |
|
|
4654 | case OP_CHARNP: /* char-numeric? */ |
|
|
4655 | s_retbool (Cisdigit (ivalue (car (SCHEME_V->args)))); |
|
|
4656 | |
|
|
4657 | case OP_CHARWP: /* char-whitespace? */ |
4521 | case OP_CHARWP: /* char-whitespace? */ r = Cisspace (ivalue (a)); break; |
4658 | s_retbool (Cisspace (ivalue (car (SCHEME_V->args)))); |
|
|
4659 | |
|
|
4660 | case OP_CHARUP: /* char-upper-case? */ |
4522 | case OP_CHARUP: /* char-upper-case? */ r = Cisupper (ivalue (a)); break; |
4661 | s_retbool (Cisupper (ivalue (car (SCHEME_V->args)))); |
|
|
4662 | |
|
|
4663 | case OP_CHARLP: /* char-lower-case? */ |
4523 | case OP_CHARLP: /* char-lower-case? */ r = Cislower (ivalue (a)); break; |
4664 | s_retbool (Cislower (ivalue (car (SCHEME_V->args)))); |
|
|
4665 | #endif |
4524 | #endif |
|
|
4525 | |
4666 | #if USE_PORTS |
4526 | #if USE_PORTS |
4667 | |
4527 | case OP_PORTP: /* port? */ r = is_port (a) ; break; |
4668 | case OP_PORTP: /* port? */ |
|
|
4669 | s_retbool (is_port (car (SCHEME_V->args))); |
|
|
4670 | |
|
|
4671 | case OP_INPORTP: /* input-port? */ |
4528 | case OP_INPORTP: /* input-port? */ r = is_inport (a) ; break; |
4672 | s_retbool (is_inport (car (SCHEME_V->args))); |
|
|
4673 | |
|
|
4674 | case OP_OUTPORTP: /* output-port? */ |
4529 | case OP_OUTPORTP: /* output-port? */ r = is_outport (a); break; |
4675 | s_retbool (is_outport (car (SCHEME_V->args))); |
|
|
4676 | #endif |
4530 | #endif |
4677 | |
4531 | |
4678 | case OP_PROCP: /* procedure? */ |
4532 | case OP_PROCP: /* procedure? */ |
4679 | |
4533 | |
4680 | /*-- |
4534 | /*-- |
4681 | * continuation should be procedure by the example |
4535 | * continuation should be procedure by the example |
4682 | * (call-with-current-continuation procedure?) ==> #t |
4536 | * (call-with-current-continuation procedure?) ==> #t |
4683 | * in R^3 report sec. 6.9 |
4537 | * in R^3 report sec. 6.9 |
4684 | */ |
4538 | */ |
4685 | s_retbool (is_proc (car (SCHEME_V->args)) || is_closure (car (SCHEME_V->args)) |
4539 | r = is_proc (a) || is_closure (a) || is_continuation (a) || is_foreign (a); |
4686 | || is_continuation (car (SCHEME_V->args)) || is_foreign (car (SCHEME_V->args))); |
4540 | break; |
4687 | |
4541 | |
4688 | case OP_PAIRP: /* pair? */ |
4542 | case OP_PAIRP: /* pair? */ r = is_pair (a) ; break; |
4689 | s_retbool (is_pair (car (SCHEME_V->args))); |
4543 | case OP_LISTP: /* list? */ r = list_length (SCHEME_A_ a) >= 0; break; |
4690 | |
4544 | case OP_ENVP: /* environment? */ r = is_environment (a) ; break; |
4691 | case OP_LISTP: /* list? */ |
4545 | case OP_VECTORP: /* vector? */ r = is_vector (a) ; break; |
4692 | s_retbool (list_length (SCHEME_A_ car (SCHEME_V->args)) >= 0); |
4546 | case OP_EQ: /* eq? */ r = a == cadr (args) ; break; |
4693 | |
4547 | case OP_EQV: /* eqv? */ r = eqv (a, cadr (args)) ; break; |
4694 | case OP_ENVP: /* environment? */ |
|
|
4695 | s_retbool (is_environment (car (SCHEME_V->args))); |
|
|
4696 | |
|
|
4697 | case OP_VECTORP: /* vector? */ |
|
|
4698 | s_retbool (is_vector (car (SCHEME_V->args))); |
|
|
4699 | |
|
|
4700 | case OP_EQ: /* eq? */ |
|
|
4701 | s_retbool (car (SCHEME_V->args) == cadr (SCHEME_V->args)); |
|
|
4702 | |
|
|
4703 | case OP_EQV: /* eqv? */ |
|
|
4704 | s_retbool (eqv (car (SCHEME_V->args), cadr (SCHEME_V->args))); |
|
|
4705 | } |
4548 | } |
4706 | |
4549 | |
4707 | return S_T; |
4550 | s_retbool (r); |
4708 | } |
4551 | } |
4709 | |
4552 | |
4710 | static pointer |
4553 | static int |
4711 | opexe_4 (SCHEME_P_ enum scheme_opcodes op) |
4554 | opexe_4 (SCHEME_P_ enum scheme_opcodes op) |
4712 | { |
4555 | { |
|
|
4556 | pointer args = SCHEME_V->args; |
|
|
4557 | pointer a = car (args); |
4713 | pointer x, y; |
4558 | pointer x, y; |
4714 | |
4559 | |
4715 | switch (op) |
4560 | switch (op) |
4716 | { |
4561 | { |
4717 | case OP_FORCE: /* force */ |
4562 | case OP_FORCE: /* force */ |
4718 | SCHEME_V->code = car (SCHEME_V->args); |
4563 | SCHEME_V->code = a; |
4719 | |
4564 | |
4720 | if (is_promise (SCHEME_V->code)) |
4565 | if (is_promise (SCHEME_V->code)) |
4721 | { |
4566 | { |
4722 | /* Should change type to closure here */ |
4567 | /* Should change type to closure here */ |
4723 | s_save (SCHEME_A_ OP_SAVE_FORCED, NIL, SCHEME_V->code); |
4568 | s_save (SCHEME_A_ OP_SAVE_FORCED, NIL, SCHEME_V->code); |
… | |
… | |
4744 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4589 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4745 | SCHEME_V->outport = cadr (SCHEME_V->args); |
4590 | SCHEME_V->outport = cadr (SCHEME_V->args); |
4746 | } |
4591 | } |
4747 | } |
4592 | } |
4748 | |
4593 | |
4749 | SCHEME_V->args = car (SCHEME_V->args); |
4594 | SCHEME_V->args = a; |
4750 | |
4595 | |
4751 | if (op == OP_WRITE) |
4596 | if (op == OP_WRITE) |
4752 | SCHEME_V->print_flag = 1; |
4597 | SCHEME_V->print_flag = 1; |
4753 | else |
4598 | else |
4754 | SCHEME_V->print_flag = 0; |
4599 | SCHEME_V->print_flag = 0; |
4755 | |
4600 | |
4756 | s_goto (OP_P0LIST); |
4601 | s_goto (OP_P0LIST); |
4757 | |
4602 | |
4758 | case OP_NEWLINE: /* newline */ |
4603 | case OP_NEWLINE: /* newline */ |
4759 | if (is_pair (SCHEME_V->args)) |
4604 | if (is_pair (args)) |
4760 | { |
4605 | { |
4761 | if (car (SCHEME_V->args) != SCHEME_V->outport) |
4606 | if (a != SCHEME_V->outport) |
4762 | { |
4607 | { |
4763 | x = cons (SCHEME_V->outport, NIL); |
4608 | x = cons (SCHEME_V->outport, NIL); |
4764 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4609 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4765 | SCHEME_V->outport = car (SCHEME_V->args); |
4610 | SCHEME_V->outport = a; |
4766 | } |
4611 | } |
4767 | } |
4612 | } |
4768 | |
4613 | |
4769 | putstr (SCHEME_A_ "\n"); |
4614 | putstr (SCHEME_A_ "\n"); |
4770 | s_return (S_T); |
4615 | s_return (S_T); |
4771 | #endif |
4616 | #endif |
4772 | |
4617 | |
4773 | case OP_ERR0: /* error */ |
4618 | case OP_ERR0: /* error */ |
4774 | SCHEME_V->retcode = -1; |
4619 | SCHEME_V->retcode = -1; |
4775 | |
4620 | |
4776 | if (!is_string (car (SCHEME_V->args))) |
4621 | if (!is_string (a)) |
4777 | { |
4622 | { |
4778 | SCHEME_V->args = cons (mk_string (SCHEME_A_ " -- "), SCHEME_V->args); |
4623 | args = cons (mk_string (SCHEME_A_ " -- "), args); |
4779 | setimmutable (car (SCHEME_V->args)); |
4624 | setimmutable (car (args)); |
4780 | } |
4625 | } |
4781 | |
4626 | |
4782 | putstr (SCHEME_A_ "Error: "); |
4627 | putstr (SCHEME_A_ "Error: "); |
4783 | putstr (SCHEME_A_ strvalue (car (SCHEME_V->args))); |
4628 | putstr (SCHEME_A_ strvalue (car (args))); |
4784 | SCHEME_V->args = cdr (SCHEME_V->args); |
4629 | SCHEME_V->args = cdr (args); |
4785 | s_goto (OP_ERR1); |
4630 | s_goto (OP_ERR1); |
4786 | |
4631 | |
4787 | case OP_ERR1: /* error */ |
4632 | case OP_ERR1: /* error */ |
4788 | putstr (SCHEME_A_ " "); |
4633 | putstr (SCHEME_A_ " "); |
4789 | |
4634 | |
4790 | if (SCHEME_V->args != NIL) |
4635 | if (args != NIL) |
4791 | { |
4636 | { |
4792 | s_save (SCHEME_A_ OP_ERR1, cdr (SCHEME_V->args), NIL); |
4637 | s_save (SCHEME_A_ OP_ERR1, cdr (args), NIL); |
4793 | SCHEME_V->args = car (SCHEME_V->args); |
4638 | SCHEME_V->args = a; |
4794 | SCHEME_V->print_flag = 1; |
4639 | SCHEME_V->print_flag = 1; |
4795 | s_goto (OP_P0LIST); |
4640 | s_goto (OP_P0LIST); |
4796 | } |
4641 | } |
4797 | else |
4642 | else |
4798 | { |
4643 | { |
4799 | putstr (SCHEME_A_ "\n"); |
4644 | putstr (SCHEME_A_ "\n"); |
4800 | |
4645 | |
4801 | if (SCHEME_V->interactive_repl) |
4646 | if (SCHEME_V->interactive_repl) |
4802 | s_goto (OP_T0LVL); |
4647 | s_goto (OP_T0LVL); |
4803 | else |
4648 | else |
4804 | return NIL; |
4649 | return -1; |
4805 | } |
4650 | } |
4806 | |
4651 | |
4807 | case OP_REVERSE: /* reverse */ |
4652 | case OP_REVERSE: /* reverse */ |
4808 | s_return (reverse (SCHEME_A_ car (SCHEME_V->args))); |
4653 | s_return (reverse (SCHEME_A_ a)); |
4809 | |
4654 | |
4810 | case OP_LIST_STAR: /* list* */ |
4655 | case OP_LIST_STAR: /* list* */ |
4811 | s_return (list_star (SCHEME_A_ SCHEME_V->args)); |
4656 | s_return (list_star (SCHEME_A_ SCHEME_V->args)); |
4812 | |
4657 | |
4813 | case OP_APPEND: /* append */ |
4658 | case OP_APPEND: /* append */ |
4814 | x = NIL; |
4659 | x = NIL; |
4815 | y = SCHEME_V->args; |
4660 | y = args; |
4816 | |
4661 | |
4817 | if (y == x) |
4662 | if (y == x) |
4818 | s_return (x); |
4663 | s_return (x); |
4819 | |
4664 | |
4820 | /* cdr() in the while condition is not a typo. If car() */ |
4665 | /* cdr() in the while condition is not a typo. If car() */ |
… | |
… | |
4831 | s_return (reverse_in_place (SCHEME_A_ car (y), x)); |
4676 | s_return (reverse_in_place (SCHEME_A_ car (y), x)); |
4832 | |
4677 | |
4833 | #if USE_PLIST |
4678 | #if USE_PLIST |
4834 | |
4679 | |
4835 | case OP_PUT: /* put */ |
4680 | case OP_PUT: /* put */ |
4836 | if (!hasprop (car (SCHEME_V->args)) || !hasprop (cadr (SCHEME_V->args))) |
4681 | if (!hasprop (a) || !hasprop (cadr (args))) |
4837 | Error_0 ("illegal use of put"); |
4682 | Error_0 ("illegal use of put"); |
4838 | |
4683 | |
4839 | for (x = symprop (car (SCHEME_V->args)), y = cadr (SCHEME_V->args); x != NIL; x = cdr (x)) |
4684 | for (x = symprop (a), y = cadr (args); x != NIL; x = cdr (x)) |
4840 | { |
4685 | { |
4841 | if (caar (x) == y) |
4686 | if (caar (x) == y) |
4842 | break; |
4687 | break; |
4843 | } |
4688 | } |
4844 | |
4689 | |
4845 | if (x != NIL) |
4690 | if (x != NIL) |
4846 | cdar (x) = caddr (SCHEME_V->args); |
4691 | cdar (x) = caddr (args); |
4847 | else |
4692 | else |
4848 | symprop (car (SCHEME_V->args)) = cons (cons (y, caddr (SCHEME_V->args)), symprop (car (SCHEME_V->args))); |
4693 | symprop (a) = cons (cons (y, caddr (args)), symprop (a)); |
4849 | |
4694 | |
4850 | s_return (S_T); |
4695 | s_return (S_T); |
4851 | |
4696 | |
4852 | case OP_GET: /* get */ |
4697 | case OP_GET: /* get */ |
4853 | if (!hasprop (car (SCHEME_V->args)) || !hasprop (cadr (SCHEME_V->args))) |
4698 | if (!hasprop (a) || !hasprop (cadr (args))) |
4854 | Error_0 ("illegal use of get"); |
4699 | Error_0 ("illegal use of get"); |
4855 | |
4700 | |
4856 | for (x = symprop (car (SCHEME_V->args)), y = cadr (SCHEME_V->args); x != NIL; x = cdr (x)) |
4701 | for (x = symprop (a), y = cadr (args); x != NIL; x = cdr (x)) |
4857 | if (caar (x) == y) |
4702 | if (caar (x) == y) |
4858 | break; |
4703 | break; |
4859 | |
4704 | |
4860 | if (x != NIL) |
4705 | if (x != NIL) |
4861 | s_return (cdar (x)); |
4706 | s_return (cdar (x)); |
… | |
… | |
4863 | s_return (NIL); |
4708 | s_return (NIL); |
4864 | |
4709 | |
4865 | #endif /* USE_PLIST */ |
4710 | #endif /* USE_PLIST */ |
4866 | |
4711 | |
4867 | case OP_QUIT: /* quit */ |
4712 | case OP_QUIT: /* quit */ |
4868 | if (is_pair (SCHEME_V->args)) |
4713 | if (is_pair (args)) |
4869 | SCHEME_V->retcode = ivalue (car (SCHEME_V->args)); |
4714 | SCHEME_V->retcode = ivalue (a); |
4870 | |
4715 | |
4871 | return NIL; |
4716 | return -1; |
4872 | |
4717 | |
4873 | case OP_GC: /* gc */ |
4718 | case OP_GC: /* gc */ |
4874 | gc (SCHEME_A_ NIL, NIL); |
4719 | gc (SCHEME_A_ NIL, NIL); |
4875 | s_return (S_T); |
4720 | s_return (S_T); |
4876 | |
4721 | |
4877 | case OP_GCVERB: /* gc-verbose */ |
4722 | case OP_GCVERB: /* gc-verbose */ |
4878 | { |
4723 | { |
4879 | int was = SCHEME_V->gc_verbose; |
4724 | int was = SCHEME_V->gc_verbose; |
4880 | |
4725 | |
4881 | SCHEME_V->gc_verbose = (car (SCHEME_V->args) != S_F); |
4726 | SCHEME_V->gc_verbose = (a != S_F); |
4882 | s_retbool (was); |
4727 | s_retbool (was); |
4883 | } |
4728 | } |
4884 | |
4729 | |
4885 | case OP_NEWSEGMENT: /* new-segment */ |
4730 | case OP_NEWSEGMENT: /* new-segment */ |
4886 | if (!is_pair (SCHEME_V->args) || !is_number (car (SCHEME_V->args))) |
4731 | if (!is_pair (args) || !is_number (a)) |
4887 | Error_0 ("new-segment: argument must be a number"); |
4732 | Error_0 ("new-segment: argument must be a number"); |
4888 | |
4733 | |
4889 | alloc_cellseg (SCHEME_A_ (int)ivalue (car (SCHEME_V->args))); |
4734 | alloc_cellseg (SCHEME_A_ (int)ivalue (a)); |
4890 | |
4735 | |
4891 | s_return (S_T); |
4736 | s_return (S_T); |
4892 | |
4737 | |
4893 | case OP_OBLIST: /* oblist */ |
4738 | case OP_OBLIST: /* oblist */ |
4894 | s_return (oblist_all_symbols (SCHEME_A)); |
4739 | s_return (oblist_all_symbols (SCHEME_A)); |
… | |
… | |
4921 | case OP_OPEN_INOUTFILE: |
4766 | case OP_OPEN_INOUTFILE: |
4922 | prop = port_input | port_output; |
4767 | prop = port_input | port_output; |
4923 | break; |
4768 | break; |
4924 | } |
4769 | } |
4925 | |
4770 | |
4926 | p = port_from_filename (SCHEME_A_ strvalue (car (SCHEME_V->args)), prop); |
4771 | p = port_from_filename (SCHEME_A_ strvalue (a), prop); |
4927 | |
4772 | |
4928 | if (p == NIL) |
4773 | s_return (p == NIL ? S_F : p); |
4929 | s_return (S_F); |
|
|
4930 | |
|
|
4931 | s_return (p); |
|
|
4932 | } |
4774 | } |
4933 | |
4775 | |
4934 | # if USE_STRING_PORTS |
4776 | # if USE_STRING_PORTS |
4935 | |
4777 | |
4936 | case OP_OPEN_INSTRING: /* open-input-string */ |
4778 | case OP_OPEN_INSTRING: /* open-input-string */ |
… | |
… | |
4948 | case OP_OPEN_INOUTSTRING: |
4790 | case OP_OPEN_INOUTSTRING: |
4949 | prop = port_input | port_output; |
4791 | prop = port_input | port_output; |
4950 | break; |
4792 | break; |
4951 | } |
4793 | } |
4952 | |
4794 | |
4953 | p = port_from_string (SCHEME_A_ strvalue (car (SCHEME_V->args)), |
4795 | p = port_from_string (SCHEME_A_ strvalue (a), |
4954 | strvalue (car (SCHEME_V->args)) + strlength (car (SCHEME_V->args)), prop); |
4796 | strvalue (a) + strlength (a), prop); |
4955 | |
4797 | |
4956 | if (p == NIL) |
4798 | s_return (p == NIL ? S_F : p); |
4957 | s_return (S_F); |
|
|
4958 | |
|
|
4959 | s_return (p); |
|
|
4960 | } |
4799 | } |
4961 | |
4800 | |
4962 | case OP_OPEN_OUTSTRING: /* open-output-string */ |
4801 | case OP_OPEN_OUTSTRING: /* open-output-string */ |
4963 | { |
4802 | { |
4964 | pointer p; |
4803 | pointer p; |
4965 | |
4804 | |
4966 | if (car (SCHEME_V->args) == NIL) |
4805 | if (a == NIL) |
4967 | { |
|
|
4968 | p = port_from_scratch (SCHEME_A); |
4806 | p = port_from_scratch (SCHEME_A); |
4969 | |
|
|
4970 | if (p == NIL) |
|
|
4971 | s_return (S_F); |
|
|
4972 | } |
|
|
4973 | else |
4807 | else |
4974 | { |
|
|
4975 | p = port_from_string (SCHEME_A_ strvalue (car (SCHEME_V->args)), |
4808 | p = port_from_string (SCHEME_A_ strvalue (a), |
4976 | strvalue (car (SCHEME_V->args)) + strlength (car (SCHEME_V->args)), port_output); |
4809 | strvalue (a) + strlength (a), port_output); |
4977 | |
4810 | |
4978 | if (p == NIL) |
4811 | s_return (p == NIL ? S_F : p); |
4979 | s_return (S_F); |
|
|
4980 | } |
|
|
4981 | |
|
|
4982 | s_return (p); |
|
|
4983 | } |
4812 | } |
4984 | |
4813 | |
4985 | case OP_GET_OUTSTRING: /* get-output-string */ |
4814 | case OP_GET_OUTSTRING: /* get-output-string */ |
4986 | { |
4815 | { |
4987 | port *p; |
4816 | port *p; |
4988 | |
4817 | |
4989 | if ((p = car (SCHEME_V->args)->object.port)->kind & port_string) |
4818 | if ((p = a->object.port)->kind & port_string) |
4990 | { |
4819 | { |
4991 | off_t size; |
4820 | off_t size; |
4992 | char *str; |
4821 | char *str; |
4993 | |
4822 | |
4994 | size = p->rep.string.curr - p->rep.string.start + 1; |
4823 | size = p->rep.string.curr - p->rep.string.start + 1; |
… | |
… | |
5010 | } |
4839 | } |
5011 | |
4840 | |
5012 | # endif |
4841 | # endif |
5013 | |
4842 | |
5014 | case OP_CLOSE_INPORT: /* close-input-port */ |
4843 | case OP_CLOSE_INPORT: /* close-input-port */ |
5015 | port_close (SCHEME_A_ car (SCHEME_V->args), port_input); |
4844 | port_close (SCHEME_A_ a, port_input); |
5016 | s_return (S_T); |
4845 | s_return (S_T); |
5017 | |
4846 | |
5018 | case OP_CLOSE_OUTPORT: /* close-output-port */ |
4847 | case OP_CLOSE_OUTPORT: /* close-output-port */ |
5019 | port_close (SCHEME_A_ car (SCHEME_V->args), port_output); |
4848 | port_close (SCHEME_A_ a, port_output); |
5020 | s_return (S_T); |
4849 | s_return (S_T); |
5021 | #endif |
4850 | #endif |
5022 | |
4851 | |
5023 | case OP_INT_ENV: /* interaction-environment */ |
4852 | case OP_INT_ENV: /* interaction-environment */ |
5024 | s_return (SCHEME_V->global_env); |
4853 | s_return (SCHEME_V->global_env); |
… | |
… | |
5026 | case OP_CURR_ENV: /* current-environment */ |
4855 | case OP_CURR_ENV: /* current-environment */ |
5027 | s_return (SCHEME_V->envir); |
4856 | s_return (SCHEME_V->envir); |
5028 | |
4857 | |
5029 | } |
4858 | } |
5030 | |
4859 | |
5031 | return S_T; |
4860 | if (USE_ERROR_CHECKING) abort (); |
5032 | } |
4861 | } |
5033 | |
4862 | |
5034 | static pointer |
4863 | static int |
5035 | opexe_5 (SCHEME_P_ enum scheme_opcodes op) |
4864 | opexe_5 (SCHEME_P_ enum scheme_opcodes op) |
5036 | { |
4865 | { |
|
|
4866 | pointer args = SCHEME_V->args; |
5037 | pointer x; |
4867 | pointer x; |
5038 | |
4868 | |
5039 | if (SCHEME_V->nesting != 0) |
4869 | if (SCHEME_V->nesting != 0) |
5040 | { |
4870 | { |
5041 | int n = SCHEME_V->nesting; |
4871 | int n = SCHEME_V->nesting; |
… | |
… | |
5048 | switch (op) |
4878 | switch (op) |
5049 | { |
4879 | { |
5050 | /* ========== reading part ========== */ |
4880 | /* ========== reading part ========== */ |
5051 | #if USE_PORTS |
4881 | #if USE_PORTS |
5052 | case OP_READ: |
4882 | case OP_READ: |
5053 | if (!is_pair (SCHEME_V->args)) |
4883 | if (!is_pair (args)) |
5054 | s_goto (OP_READ_INTERNAL); |
4884 | s_goto (OP_READ_INTERNAL); |
5055 | |
4885 | |
5056 | if (!is_inport (car (SCHEME_V->args))) |
4886 | if (!is_inport (car (args))) |
5057 | Error_1 ("read: not an input port:", car (SCHEME_V->args)); |
4887 | Error_1 ("read: not an input port:", car (args)); |
5058 | |
4888 | |
5059 | if (car (SCHEME_V->args) == SCHEME_V->inport) |
4889 | if (car (args) == SCHEME_V->inport) |
5060 | s_goto (OP_READ_INTERNAL); |
4890 | s_goto (OP_READ_INTERNAL); |
5061 | |
4891 | |
5062 | x = SCHEME_V->inport; |
4892 | x = SCHEME_V->inport; |
5063 | SCHEME_V->inport = car (SCHEME_V->args); |
4893 | SCHEME_V->inport = car (args); |
5064 | x = cons (x, NIL); |
4894 | x = cons (x, NIL); |
5065 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
4895 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
5066 | s_goto (OP_READ_INTERNAL); |
4896 | s_goto (OP_READ_INTERNAL); |
5067 | |
4897 | |
5068 | case OP_READ_CHAR: /* read-char */ |
4898 | case OP_READ_CHAR: /* read-char */ |
5069 | case OP_PEEK_CHAR: /* peek-char */ |
4899 | case OP_PEEK_CHAR: /* peek-char */ |
5070 | { |
4900 | { |
5071 | int c; |
4901 | int c; |
5072 | |
4902 | |
5073 | if (is_pair (SCHEME_V->args)) |
4903 | if (is_pair (args)) |
5074 | { |
4904 | { |
5075 | if (car (SCHEME_V->args) != SCHEME_V->inport) |
4905 | if (car (args) != SCHEME_V->inport) |
5076 | { |
4906 | { |
5077 | x = SCHEME_V->inport; |
4907 | x = SCHEME_V->inport; |
5078 | x = cons (x, NIL); |
4908 | x = cons (x, NIL); |
5079 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
4909 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
5080 | SCHEME_V->inport = car (SCHEME_V->args); |
4910 | SCHEME_V->inport = car (args); |
5081 | } |
4911 | } |
5082 | } |
4912 | } |
5083 | |
4913 | |
5084 | c = inchar (SCHEME_A); |
4914 | c = inchar (SCHEME_A); |
5085 | |
4915 | |
… | |
… | |
5095 | case OP_CHAR_READY: /* char-ready? */ |
4925 | case OP_CHAR_READY: /* char-ready? */ |
5096 | { |
4926 | { |
5097 | pointer p = SCHEME_V->inport; |
4927 | pointer p = SCHEME_V->inport; |
5098 | int res; |
4928 | int res; |
5099 | |
4929 | |
5100 | if (is_pair (SCHEME_V->args)) |
4930 | if (is_pair (args)) |
5101 | p = car (SCHEME_V->args); |
4931 | p = car (args); |
5102 | |
4932 | |
5103 | res = p->object.port->kind & port_string; |
4933 | res = p->object.port->kind & port_string; |
5104 | |
4934 | |
5105 | s_retbool (res); |
4935 | s_retbool (res); |
5106 | } |
4936 | } |
5107 | |
4937 | |
5108 | case OP_SET_INPORT: /* set-input-port */ |
4938 | case OP_SET_INPORT: /* set-input-port */ |
5109 | SCHEME_V->inport = car (SCHEME_V->args); |
4939 | SCHEME_V->inport = car (args); |
5110 | s_return (SCHEME_V->value); |
4940 | s_return (SCHEME_V->value); |
5111 | |
4941 | |
5112 | case OP_SET_OUTPORT: /* set-output-port */ |
4942 | case OP_SET_OUTPORT: /* set-output-port */ |
5113 | SCHEME_V->outport = car (SCHEME_V->args); |
4943 | SCHEME_V->outport = car (args); |
5114 | s_return (SCHEME_V->value); |
4944 | s_return (SCHEME_V->value); |
5115 | #endif |
4945 | #endif |
5116 | |
4946 | |
5117 | case OP_RDSEXPR: |
4947 | case OP_RDSEXPR: |
5118 | switch (SCHEME_V->tok) |
4948 | switch (SCHEME_V->tok) |
… | |
… | |
5204 | } |
5034 | } |
5205 | |
5035 | |
5206 | break; |
5036 | break; |
5207 | |
5037 | |
5208 | case OP_RDLIST: |
5038 | case OP_RDLIST: |
5209 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
5039 | SCHEME_V->args = cons (SCHEME_V->value, args); |
5210 | SCHEME_V->tok = token (SCHEME_A); |
5040 | SCHEME_V->tok = token (SCHEME_A); |
5211 | |
5041 | |
5212 | switch (SCHEME_V->tok) |
5042 | switch (SCHEME_V->tok) |
5213 | { |
5043 | { |
5214 | case TOK_EOF: |
5044 | case TOK_EOF: |
… | |
… | |
5242 | case OP_RDDOT: |
5072 | case OP_RDDOT: |
5243 | if (token (SCHEME_A) != TOK_RPAREN) |
5073 | if (token (SCHEME_A) != TOK_RPAREN) |
5244 | Error_0 ("syntax error: illegal dot expression"); |
5074 | Error_0 ("syntax error: illegal dot expression"); |
5245 | |
5075 | |
5246 | SCHEME_V->nesting_stack[SCHEME_V->file_i]--; |
5076 | SCHEME_V->nesting_stack[SCHEME_V->file_i]--; |
5247 | s_return (reverse_in_place (SCHEME_A_ SCHEME_V->value, SCHEME_V->args)); |
5077 | s_return (reverse_in_place (SCHEME_A_ SCHEME_V->value, args)); |
5248 | |
5078 | |
5249 | case OP_RDQUOTE: |
5079 | case OP_RDQUOTE: |
5250 | s_return (cons (SCHEME_V->QUOTE, cons (SCHEME_V->value, NIL))); |
5080 | s_return (cons (SCHEME_V->QUOTE, cons (SCHEME_V->value, NIL))); |
5251 | |
5081 | |
5252 | case OP_RDQQUOTE: |
5082 | case OP_RDQQUOTE: |
… | |
… | |
5274 | SCHEME_V->args = SCHEME_V->value; |
5104 | SCHEME_V->args = SCHEME_V->value; |
5275 | s_goto (OP_VECTOR); |
5105 | s_goto (OP_VECTOR); |
5276 | |
5106 | |
5277 | /* ========== printing part ========== */ |
5107 | /* ========== printing part ========== */ |
5278 | case OP_P0LIST: |
5108 | case OP_P0LIST: |
5279 | if (is_vector (SCHEME_V->args)) |
5109 | if (is_vector (args)) |
5280 | { |
5110 | { |
5281 | putstr (SCHEME_A_ "#("); |
5111 | putstr (SCHEME_A_ "#("); |
5282 | SCHEME_V->args = cons (SCHEME_V->args, mk_integer (SCHEME_A_ 0)); |
5112 | SCHEME_V->args = cons (args, mk_integer (SCHEME_A_ 0)); |
5283 | s_goto (OP_PVECFROM); |
5113 | s_goto (OP_PVECFROM); |
5284 | } |
5114 | } |
5285 | else if (is_environment (SCHEME_V->args)) |
5115 | else if (is_environment (args)) |
5286 | { |
5116 | { |
5287 | putstr (SCHEME_A_ "#<ENVIRONMENT>"); |
5117 | putstr (SCHEME_A_ "#<ENVIRONMENT>"); |
5288 | s_return (S_T); |
5118 | s_return (S_T); |
5289 | } |
5119 | } |
5290 | else if (!is_pair (SCHEME_V->args)) |
5120 | else if (!is_pair (args)) |
5291 | { |
5121 | { |
5292 | printatom (SCHEME_A_ SCHEME_V->args, SCHEME_V->print_flag); |
5122 | printatom (SCHEME_A_ args, SCHEME_V->print_flag); |
5293 | s_return (S_T); |
5123 | s_return (S_T); |
5294 | } |
5124 | } |
5295 | else if (car (SCHEME_V->args) == SCHEME_V->QUOTE && ok_abbrev (cdr (SCHEME_V->args))) |
5125 | else |
5296 | { |
5126 | { |
|
|
5127 | pointer a = car (args); |
|
|
5128 | pointer b = cdr (args); |
|
|
5129 | int ok_abbr = ok_abbrev (b); |
|
|
5130 | SCHEME_V->args = car (b); |
|
|
5131 | |
|
|
5132 | if (a == SCHEME_V->QUOTE && ok_abbr) |
5297 | putstr (SCHEME_A_ "'"); |
5133 | putstr (SCHEME_A_ "'"); |
5298 | SCHEME_V->args = cadr (SCHEME_V->args); |
5134 | else if (a == SCHEME_V->QQUOTE && ok_abbr) |
|
|
5135 | putstr (SCHEME_A_ "`"); |
|
|
5136 | else if (a == SCHEME_V->UNQUOTE && ok_abbr) |
|
|
5137 | putstr (SCHEME_A_ ","); |
|
|
5138 | else if (a == SCHEME_V->UNQUOTESP && ok_abbr) |
|
|
5139 | putstr (SCHEME_A_ ",@"); |
|
|
5140 | else |
|
|
5141 | { |
|
|
5142 | putstr (SCHEME_A_ "("); |
|
|
5143 | s_save (SCHEME_A_ OP_P1LIST, b, NIL); |
|
|
5144 | SCHEME_V->args = a; |
|
|
5145 | } |
|
|
5146 | |
5299 | s_goto (OP_P0LIST); |
5147 | s_goto (OP_P0LIST); |
5300 | } |
5148 | } |
5301 | else if (car (SCHEME_V->args) == SCHEME_V->QQUOTE && ok_abbrev (cdr (SCHEME_V->args))) |
5149 | |
|
|
5150 | case OP_P1LIST: |
|
|
5151 | if (is_pair (args)) |
5302 | { |
5152 | { |
|
|
5153 | s_save (SCHEME_A_ OP_P1LIST, cdr (args), NIL); |
5303 | putstr (SCHEME_A_ "`"); |
5154 | putstr (SCHEME_A_ " "); |
5304 | SCHEME_V->args = cadr (SCHEME_V->args); |
5155 | SCHEME_V->args = car (args); |
5305 | s_goto (OP_P0LIST); |
5156 | s_goto (OP_P0LIST); |
5306 | } |
5157 | } |
5307 | else if (car (SCHEME_V->args) == SCHEME_V->UNQUOTE && ok_abbrev (cdr (SCHEME_V->args))) |
|
|
5308 | { |
|
|
5309 | putstr (SCHEME_A_ ","); |
|
|
5310 | SCHEME_V->args = cadr (SCHEME_V->args); |
|
|
5311 | s_goto (OP_P0LIST); |
|
|
5312 | } |
|
|
5313 | else if (car (SCHEME_V->args) == SCHEME_V->UNQUOTESP && ok_abbrev (cdr (SCHEME_V->args))) |
|
|
5314 | { |
|
|
5315 | putstr (SCHEME_A_ ",@"); |
|
|
5316 | SCHEME_V->args = cadr (SCHEME_V->args); |
|
|
5317 | s_goto (OP_P0LIST); |
|
|
5318 | } |
|
|
5319 | else |
|
|
5320 | { |
|
|
5321 | putstr (SCHEME_A_ "("); |
|
|
5322 | s_save (SCHEME_A_ OP_P1LIST, cdr (SCHEME_V->args), NIL); |
|
|
5323 | SCHEME_V->args = car (SCHEME_V->args); |
|
|
5324 | s_goto (OP_P0LIST); |
|
|
5325 | } |
|
|
5326 | |
|
|
5327 | case OP_P1LIST: |
|
|
5328 | if (is_pair (SCHEME_V->args)) |
|
|
5329 | { |
|
|
5330 | s_save (SCHEME_A_ OP_P1LIST, cdr (SCHEME_V->args), NIL); |
|
|
5331 | putstr (SCHEME_A_ " "); |
|
|
5332 | SCHEME_V->args = car (SCHEME_V->args); |
|
|
5333 | s_goto (OP_P0LIST); |
|
|
5334 | } |
|
|
5335 | else if (is_vector (SCHEME_V->args)) |
5158 | else if (is_vector (args)) |
5336 | { |
5159 | { |
5337 | s_save (SCHEME_A_ OP_P1LIST, NIL, NIL); |
5160 | s_save (SCHEME_A_ OP_P1LIST, NIL, NIL); |
5338 | putstr (SCHEME_A_ " . "); |
5161 | putstr (SCHEME_A_ " . "); |
5339 | s_goto (OP_P0LIST); |
5162 | s_goto (OP_P0LIST); |
5340 | } |
5163 | } |
5341 | else |
5164 | else |
5342 | { |
5165 | { |
5343 | if (SCHEME_V->args != NIL) |
5166 | if (args != NIL) |
5344 | { |
5167 | { |
5345 | putstr (SCHEME_A_ " . "); |
5168 | putstr (SCHEME_A_ " . "); |
5346 | printatom (SCHEME_A_ SCHEME_V->args, SCHEME_V->print_flag); |
5169 | printatom (SCHEME_A_ args, SCHEME_V->print_flag); |
5347 | } |
5170 | } |
5348 | |
5171 | |
5349 | putstr (SCHEME_A_ ")"); |
5172 | putstr (SCHEME_A_ ")"); |
5350 | s_return (S_T); |
5173 | s_return (S_T); |
5351 | } |
5174 | } |
5352 | |
5175 | |
5353 | case OP_PVECFROM: |
5176 | case OP_PVECFROM: |
5354 | { |
5177 | { |
5355 | int i = ivalue_unchecked (cdr (SCHEME_V->args)); |
5178 | int i = ivalue_unchecked (cdr (args)); |
5356 | pointer vec = car (SCHEME_V->args); |
5179 | pointer vec = car (args); |
5357 | int len = veclength (vec); |
5180 | int len = veclength (vec); |
5358 | |
5181 | |
5359 | if (i == len) |
5182 | if (i == len) |
5360 | { |
5183 | { |
5361 | putstr (SCHEME_A_ ")"); |
5184 | putstr (SCHEME_A_ ")"); |
… | |
… | |
5363 | } |
5186 | } |
5364 | else |
5187 | else |
5365 | { |
5188 | { |
5366 | pointer elem = vector_elem (vec, i); |
5189 | pointer elem = vector_elem (vec, i); |
5367 | |
5190 | |
5368 | ivalue_unchecked (cdr (SCHEME_V->args)) = i + 1; |
5191 | ivalue_unchecked (cdr (args)) = i + 1; |
5369 | s_save (SCHEME_A_ OP_PVECFROM, SCHEME_V->args, NIL); |
5192 | s_save (SCHEME_A_ OP_PVECFROM, args, NIL); |
5370 | SCHEME_V->args = elem; |
5193 | SCHEME_V->args = elem; |
5371 | |
5194 | |
5372 | if (i > 0) |
5195 | if (i > 0) |
5373 | putstr (SCHEME_A_ " "); |
5196 | putstr (SCHEME_A_ " "); |
5374 | |
5197 | |
5375 | s_goto (OP_P0LIST); |
5198 | s_goto (OP_P0LIST); |
5376 | } |
5199 | } |
5377 | } |
5200 | } |
5378 | } |
5201 | } |
5379 | |
5202 | |
5380 | return S_T; |
5203 | if (USE_ERROR_CHECKING) abort (); |
5381 | } |
5204 | } |
5382 | |
5205 | |
5383 | static pointer |
5206 | static int |
5384 | opexe_6 (SCHEME_P_ enum scheme_opcodes op) |
5207 | opexe_6 (SCHEME_P_ enum scheme_opcodes op) |
5385 | { |
5208 | { |
|
|
5209 | pointer args = SCHEME_V->args; |
|
|
5210 | pointer a = car (args); |
5386 | pointer x, y; |
5211 | pointer x, y; |
5387 | |
5212 | |
5388 | switch (op) |
5213 | switch (op) |
5389 | { |
5214 | { |
5390 | case OP_LIST_LENGTH: /* length *//* a.k */ |
5215 | case OP_LIST_LENGTH: /* length *//* a.k */ |
5391 | { |
5216 | { |
5392 | long v = list_length (SCHEME_A_ car (SCHEME_V->args)); |
5217 | long v = list_length (SCHEME_A_ a); |
5393 | |
5218 | |
5394 | if (v < 0) |
5219 | if (v < 0) |
5395 | Error_1 ("length: not a list:", car (SCHEME_V->args)); |
5220 | Error_1 ("length: not a list:", a); |
5396 | |
5221 | |
5397 | s_return (mk_integer (SCHEME_A_ v)); |
5222 | s_return (mk_integer (SCHEME_A_ v)); |
5398 | } |
5223 | } |
5399 | |
5224 | |
5400 | case OP_ASSQ: /* assq *//* a.k */ |
5225 | case OP_ASSQ: /* assq *//* a.k */ |
5401 | x = car (SCHEME_V->args); |
5226 | x = a; |
5402 | |
5227 | |
5403 | for (y = cadr (SCHEME_V->args); is_pair (y); y = cdr (y)) |
5228 | for (y = cadr (args); is_pair (y); y = cdr (y)) |
5404 | { |
5229 | { |
5405 | if (!is_pair (car (y))) |
5230 | if (!is_pair (car (y))) |
5406 | Error_0 ("unable to handle non pair element"); |
5231 | Error_0 ("unable to handle non pair element"); |
5407 | |
5232 | |
5408 | if (x == caar (y)) |
5233 | if (x == caar (y)) |
… | |
… | |
5414 | else |
5239 | else |
5415 | s_return (S_F); |
5240 | s_return (S_F); |
5416 | |
5241 | |
5417 | |
5242 | |
5418 | case OP_GET_CLOSURE: /* get-closure-code *//* a.k */ |
5243 | case OP_GET_CLOSURE: /* get-closure-code *//* a.k */ |
5419 | SCHEME_V->args = car (SCHEME_V->args); |
5244 | SCHEME_V->args = a; |
5420 | |
5245 | |
5421 | if (SCHEME_V->args == NIL) |
5246 | if (SCHEME_V->args == NIL) |
5422 | s_return (S_F); |
5247 | s_return (S_F); |
5423 | else if (is_closure (SCHEME_V->args)) |
5248 | else if (is_closure (SCHEME_V->args)) |
5424 | s_return (cons (SCHEME_V->LAMBDA, closure_code (SCHEME_V->value))); |
5249 | s_return (cons (SCHEME_V->LAMBDA, closure_code (SCHEME_V->value))); |
… | |
… | |
5430 | case OP_CLOSUREP: /* closure? */ |
5255 | case OP_CLOSUREP: /* closure? */ |
5431 | /* |
5256 | /* |
5432 | * Note, macro object is also a closure. |
5257 | * Note, macro object is also a closure. |
5433 | * Therefore, (closure? <#MACRO>) ==> #t |
5258 | * Therefore, (closure? <#MACRO>) ==> #t |
5434 | */ |
5259 | */ |
5435 | s_retbool (is_closure (car (SCHEME_V->args))); |
5260 | s_retbool (is_closure (a)); |
5436 | |
5261 | |
5437 | case OP_MACROP: /* macro? */ |
5262 | case OP_MACROP: /* macro? */ |
5438 | s_retbool (is_macro (car (SCHEME_V->args))); |
5263 | s_retbool (is_macro (a)); |
5439 | } |
5264 | } |
5440 | |
5265 | |
5441 | return S_T; /* NOTREACHED */ |
5266 | if (USE_ERROR_CHECKING) abort (); |
5442 | } |
5267 | } |
5443 | |
5268 | |
|
|
5269 | /* dispatch functions (opexe_x) return new opcode, or 0 for same opcode, or -1 to stop */ |
5444 | typedef pointer (*dispatch_func) (SCHEME_P_ enum scheme_opcodes); |
5270 | typedef int (*dispatch_func)(SCHEME_P_ enum scheme_opcodes); |
5445 | |
5271 | |
5446 | typedef int (*test_predicate) (pointer); |
5272 | typedef int (*test_predicate)(pointer); |
5447 | static int |
5273 | static int |
5448 | is_any (pointer p) |
5274 | is_any (pointer p) |
5449 | { |
5275 | { |
5450 | return 1; |
5276 | return 1; |
5451 | } |
5277 | } |
5452 | |
5278 | |
5453 | static int |
5279 | static int |
5454 | is_nonneg (pointer p) |
5280 | is_nonneg (pointer p) |
5455 | { |
5281 | { |
5456 | return ivalue (p) >= 0 && is_integer (p); |
5282 | return ivalue (p) >= 0 && is_integer (p); |
|
|
5283 | } |
|
|
5284 | |
|
|
5285 | static int |
|
|
5286 | tst_is_list (pointer p) |
|
|
5287 | { |
|
|
5288 | return p == NIL || is_pair (p); |
5457 | } |
5289 | } |
5458 | |
5290 | |
5459 | /* Correspond carefully with following defines! */ |
5291 | /* Correspond carefully with following defines! */ |
5460 | static struct |
5292 | static struct |
5461 | { |
5293 | { |
5462 | test_predicate fct; |
5294 | test_predicate fct; |
5463 | const char *kind; |
5295 | const char *kind; |
5464 | } tests[] = |
5296 | } tests[] = |
5465 | { |
5297 | { |
5466 | { 0, 0}, /* unused */ |
5298 | { is_any, 0 }, |
5467 | { is_any, 0}, |
5299 | { is_string, "string" }, |
5468 | { is_string, "string" }, |
5300 | { is_symbol, "symbol" }, |
5469 | { is_symbol, "symbol" }, |
5301 | { is_port, "port" }, |
5470 | { is_port, "port" }, |
|
|
5471 | { is_inport, "input port" }, |
5302 | { is_inport, "input port" }, |
5472 | { is_outport, "output port" }, |
5303 | { is_outport, "output port" }, |
5473 | { is_environment, "environment" }, |
5304 | { is_environment, "environment" }, |
5474 | { is_pair, "pair" }, |
5305 | { is_pair, "pair" }, |
5475 | { 0, "pair or '()" }, |
5306 | { tst_is_list, "pair or '()" }, |
5476 | { is_character, "character" }, |
5307 | { is_character, "character" }, |
5477 | { is_vector, "vector" }, |
5308 | { is_vector, "vector" }, |
5478 | { is_number, "number" }, |
5309 | { is_number, "number" }, |
5479 | { is_integer, "integer" }, |
5310 | { is_integer, "integer" }, |
5480 | { is_nonneg, "non-negative integer" } |
5311 | { is_nonneg, "non-negative integer" } |
5481 | }; |
5312 | }; |
5482 | |
5313 | |
5483 | #define TST_NONE 0 |
5314 | #define TST_NONE 0 /* TST_NONE used for built-ins, 0 for internal ops */ |
5484 | #define TST_ANY "\001" |
5315 | #define TST_ANY "\001" |
5485 | #define TST_STRING "\002" |
5316 | #define TST_STRING "\002" |
5486 | #define TST_SYMBOL "\003" |
5317 | #define TST_SYMBOL "\003" |
5487 | #define TST_PORT "\004" |
5318 | #define TST_PORT "\004" |
5488 | #define TST_INPORT "\005" |
5319 | #define TST_INPORT "\005" |
5489 | #define TST_OUTPORT "\006" |
5320 | #define TST_OUTPORT "\006" |
5490 | #define TST_ENVIRONMENT "\007" |
5321 | #define TST_ENVIRONMENT "\007" |
5491 | #define TST_PAIR "\010" |
5322 | #define TST_PAIR "\010" |
5492 | #define TST_LIST "\011" |
5323 | #define TST_LIST "\011" |
5493 | #define TST_CHAR "\012" |
5324 | #define TST_CHAR "\012" |
5494 | #define TST_VECTOR "\013" |
5325 | #define TST_VECTOR "\013" |
5495 | #define TST_NUMBER "\014" |
5326 | #define TST_NUMBER "\014" |
5496 | #define TST_INTEGER "\015" |
5327 | #define TST_INTEGER "\015" |
5497 | #define TST_NATURAL "\016" |
5328 | #define TST_NATURAL "\016" |
|
|
5329 | |
|
|
5330 | #define INF_ARG 0xff |
|
|
5331 | #define UNNAMED_OP "" |
|
|
5332 | |
|
|
5333 | static const char opnames[] = |
|
|
5334 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) name "\x00" |
|
|
5335 | #include "opdefines.h" |
|
|
5336 | #undef OP_DEF |
|
|
5337 | ; |
|
|
5338 | |
|
|
5339 | static const char * |
|
|
5340 | opname (int idx) |
|
|
5341 | { |
|
|
5342 | const char *name = opnames; |
|
|
5343 | |
|
|
5344 | /* should do this at compile time, but would require external program, right? */ |
|
|
5345 | while (idx--) |
|
|
5346 | name += strlen (name) + 1; |
|
|
5347 | |
|
|
5348 | return *name ? name : "ILLEGAL"; |
|
|
5349 | } |
|
|
5350 | |
|
|
5351 | static const char * |
|
|
5352 | procname (pointer x) |
|
|
5353 | { |
|
|
5354 | return opname (procnum (x)); |
|
|
5355 | } |
5498 | |
5356 | |
5499 | typedef struct |
5357 | typedef struct |
5500 | { |
5358 | { |
5501 | dispatch_func func; |
5359 | uint8_t func; |
5502 | char *name; |
5360 | /*dispatch_func func;*//*TODO: maybe optionally keep the pointer, for speed? */ |
|
|
5361 | uint8_t builtin; |
5503 | int min_arity; |
5362 | uint8_t min_arity; |
5504 | int max_arity; |
5363 | uint8_t max_arity; |
5505 | char *arg_tests_encoding; |
5364 | char arg_tests_encoding[3]; |
5506 | } op_code_info; |
5365 | } op_code_info; |
5507 | |
5366 | |
5508 | #define INF_ARG 0xffff |
|
|
5509 | |
|
|
5510 | static op_code_info dispatch_table[] = { |
5367 | static const op_code_info dispatch_table[] = { |
5511 | #define OP_DEF(A,B,C,D,E,OP) {A,B,C,D,E}, |
5368 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) { func, sizeof (name) > 1, minarity, maxarity, argtest }, |
5512 | #include "opdefines.h" |
5369 | #include "opdefines.h" |
|
|
5370 | #undef OP_DEF |
5513 | {0} |
5371 | {0} |
5514 | }; |
5372 | }; |
5515 | |
5373 | |
5516 | static const char * |
|
|
5517 | procname (pointer x) |
|
|
5518 | { |
|
|
5519 | int n = procnum (x); |
|
|
5520 | const char *name = dispatch_table[n].name; |
|
|
5521 | |
|
|
5522 | if (name == 0) |
|
|
5523 | name = "ILLEGAL!"; |
|
|
5524 | |
|
|
5525 | return name; |
|
|
5526 | } |
|
|
5527 | |
|
|
5528 | /* kernel of this interpreter */ |
5374 | /* kernel of this interpreter */ |
5529 | static void |
5375 | static void ecb_hot |
5530 | Eval_Cycle (SCHEME_P_ enum scheme_opcodes op) |
5376 | Eval_Cycle (SCHEME_P_ enum scheme_opcodes op) |
5531 | { |
5377 | { |
5532 | SCHEME_V->op = op; |
5378 | SCHEME_V->op = op; |
5533 | |
5379 | |
5534 | for (;;) |
5380 | for (;;) |
5535 | { |
5381 | { |
5536 | op_code_info *pcd = dispatch_table + SCHEME_V->op; |
5382 | const op_code_info *pcd = dispatch_table + SCHEME_V->op; |
5537 | |
5383 | |
5538 | #if USE_ERROR_CHECKING |
5384 | #if USE_ERROR_CHECKING |
5539 | if (pcd->name) /* if built-in function, check arguments */ |
5385 | if (pcd->builtin) /* if built-in function, check arguments */ |
5540 | { |
5386 | { |
5541 | int ok = 1; |
|
|
5542 | char msg[STRBUFFSIZE]; |
5387 | char msg[STRBUFFSIZE]; |
5543 | int n = list_length (SCHEME_A_ SCHEME_V->args); |
5388 | int n = list_length (SCHEME_A_ SCHEME_V->args); |
5544 | |
5389 | |
5545 | /* Check number of arguments */ |
5390 | /* Check number of arguments */ |
5546 | if (n < pcd->min_arity) |
5391 | if (ecb_expect_false (n < pcd->min_arity)) |
5547 | { |
5392 | { |
5548 | ok = 0; |
|
|
5549 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5393 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5550 | pcd->name, pcd->min_arity == pcd->max_arity ? "" : " at least", pcd->min_arity); |
5394 | opname (SCHEME_V->op), pcd->min_arity == pcd->max_arity ? "" : " at least", pcd->min_arity); |
|
|
5395 | xError_1 (SCHEME_A_ msg, 0); |
|
|
5396 | continue; |
5551 | } |
5397 | } |
5552 | |
5398 | else if (ecb_expect_false (n > pcd->max_arity && pcd->max_arity != INF_ARG)) |
5553 | if (ok && n > pcd->max_arity) |
|
|
5554 | { |
5399 | { |
5555 | ok = 0; |
|
|
5556 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5400 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5557 | pcd->name, pcd->min_arity == pcd->max_arity ? "" : " at most", pcd->max_arity); |
5401 | opname (SCHEME_V->op), pcd->min_arity == pcd->max_arity ? "" : " at most", pcd->max_arity); |
|
|
5402 | xError_1 (SCHEME_A_ msg, 0); |
|
|
5403 | continue; |
5558 | } |
5404 | } |
5559 | |
5405 | else |
5560 | if (ok) |
|
|
5561 | { |
5406 | { |
5562 | if (pcd->arg_tests_encoding) |
5407 | if (*pcd->arg_tests_encoding) /* literal 0 and TST_NONE treated the same */ |
5563 | { |
5408 | { |
5564 | int i = 0; |
5409 | int i = 0; |
5565 | int j; |
5410 | int j; |
5566 | const char *t = pcd->arg_tests_encoding; |
5411 | const char *t = pcd->arg_tests_encoding; |
5567 | pointer arglist = SCHEME_V->args; |
5412 | pointer arglist = SCHEME_V->args; |
5568 | |
5413 | |
5569 | do |
5414 | do |
5570 | { |
5415 | { |
5571 | pointer arg = car (arglist); |
5416 | pointer arg = car (arglist); |
5572 | |
5417 | |
5573 | j = (int) t[0]; |
5418 | j = t[0]; |
5574 | |
5419 | |
5575 | if (j == TST_LIST[0]) |
5420 | if (!tests[j - 1].fct (arg)) |
5576 | { |
|
|
5577 | if (arg != NIL && !is_pair (arg)) |
|
|
5578 | break; |
5421 | break; |
5579 | } |
|
|
5580 | else |
|
|
5581 | { |
|
|
5582 | if (!tests[j].fct (arg)) |
|
|
5583 | break; |
|
|
5584 | } |
|
|
5585 | |
5422 | |
5586 | if (t[1] != 0) /* last test is replicated as necessary */ |
5423 | if (t[1]) /* last test is replicated as necessary */ |
5587 | t++; |
5424 | t++; |
5588 | |
5425 | |
5589 | arglist = cdr (arglist); |
5426 | arglist = cdr (arglist); |
5590 | i++; |
5427 | i++; |
5591 | } |
5428 | } |
5592 | while (i < n); |
5429 | while (i < n); |
5593 | |
5430 | |
5594 | if (i < n) |
5431 | if (i < n) |
5595 | { |
5432 | { |
5596 | ok = 0; |
|
|
5597 | snprintf (msg, STRBUFFSIZE, "%s: argument %d must be: %s", pcd->name, i + 1, tests[j].kind); |
5433 | snprintf (msg, STRBUFFSIZE, "%s: argument %d must be: %s", opname (SCHEME_V->op), i + 1, tests[j].kind); |
|
|
5434 | xError_1 (SCHEME_A_ msg, 0); |
|
|
5435 | continue; |
5598 | } |
5436 | } |
5599 | } |
5437 | } |
5600 | } |
5438 | } |
5601 | |
|
|
5602 | if (!ok) |
|
|
5603 | { |
|
|
5604 | if (xError_1 (SCHEME_A_ msg, 0) == NIL) |
|
|
5605 | return; |
|
|
5606 | |
|
|
5607 | pcd = dispatch_table + SCHEME_V->op; |
|
|
5608 | } |
|
|
5609 | } |
5439 | } |
5610 | #endif |
5440 | #endif |
5611 | |
5441 | |
5612 | ok_to_freely_gc (SCHEME_A); |
5442 | ok_to_freely_gc (SCHEME_A); |
5613 | |
5443 | |
5614 | if (pcd->func (SCHEME_A_ SCHEME_V->op) == NIL) |
5444 | static const dispatch_func dispatch_funcs[] = { |
|
|
5445 | opexe_0, |
|
|
5446 | opexe_1, |
|
|
5447 | opexe_2, |
|
|
5448 | opexe_3, |
|
|
5449 | opexe_4, |
|
|
5450 | opexe_5, |
|
|
5451 | opexe_6, |
|
|
5452 | }; |
|
|
5453 | |
|
|
5454 | if (ecb_expect_false (dispatch_funcs [pcd->func] (SCHEME_A_ SCHEME_V->op) != 0)) |
5615 | return; |
5455 | return; |
5616 | |
5456 | |
5617 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
5457 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
5618 | { |
5458 | { |
5619 | xwrstr ("No memory!\n"); |
5459 | xwrstr ("No memory!\n"); |
… | |
… | |
5677 | |
5517 | |
5678 | case 'd': |
5518 | case 'd': |
5679 | return OP_COND0; /* cond */ |
5519 | return OP_COND0; /* cond */ |
5680 | |
5520 | |
5681 | case '*': |
5521 | case '*': |
5682 | return OP_LET0AST; /* let* */ |
5522 | return OP_LET0AST;/* let* */ |
5683 | |
5523 | |
5684 | default: |
5524 | default: |
5685 | return OP_SET0; /* set! */ |
5525 | return OP_SET0; /* set! */ |
5686 | } |
5526 | } |
5687 | |
5527 | |
… | |
… | |
5709 | |
5549 | |
5710 | case 'f': |
5550 | case 'f': |
5711 | return OP_DEF0; /* define */ |
5551 | return OP_DEF0; /* define */ |
5712 | |
5552 | |
5713 | default: |
5553 | default: |
5714 | return OP_LET0REC; /* letrec */ |
5554 | return OP_LET0REC;/* letrec */ |
5715 | } |
5555 | } |
5716 | |
5556 | |
5717 | default: |
5557 | default: |
5718 | return OP_C0STREAM; /* cons-stream */ |
5558 | return OP_C0STREAM; /* cons-stream */ |
5719 | } |
5559 | } |
5720 | } |
5560 | } |
5721 | |
5561 | |
5722 | #if USE_MULTIPLICITY |
5562 | #if USE_MULTIPLICITY |
5723 | scheme * |
5563 | ecb_cold scheme * |
5724 | scheme_init_new () |
5564 | scheme_init_new () |
5725 | { |
5565 | { |
5726 | scheme *sc = malloc (sizeof (scheme)); |
5566 | scheme *sc = malloc (sizeof (scheme)); |
5727 | |
5567 | |
5728 | if (!scheme_init (SCHEME_A)) |
5568 | if (!scheme_init (SCHEME_A)) |
… | |
… | |
5733 | else |
5573 | else |
5734 | return sc; |
5574 | return sc; |
5735 | } |
5575 | } |
5736 | #endif |
5576 | #endif |
5737 | |
5577 | |
5738 | int |
5578 | ecb_cold int |
5739 | scheme_init (SCHEME_P) |
5579 | scheme_init (SCHEME_P) |
5740 | { |
5580 | { |
5741 | int i, n = sizeof (dispatch_table) / sizeof (dispatch_table[0]); |
5581 | int i, n = sizeof (dispatch_table) / sizeof (dispatch_table[0]); |
5742 | pointer x; |
5582 | pointer x; |
5743 | |
5583 | |
… | |
… | |
5816 | |
5656 | |
5817 | for (i = 0; i < sizeof (syntax_names) / sizeof (*syntax_names); ++i) |
5657 | for (i = 0; i < sizeof (syntax_names) / sizeof (*syntax_names); ++i) |
5818 | assign_syntax (SCHEME_A_ syntax_names[i]); |
5658 | assign_syntax (SCHEME_A_ syntax_names[i]); |
5819 | } |
5659 | } |
5820 | |
5660 | |
|
|
5661 | // TODO: should iterate via strlen, to avoid n² complexity |
5821 | for (i = 0; i < n; i++) |
5662 | for (i = 0; i < n; i++) |
5822 | if (dispatch_table[i].name != 0) |
5663 | if (dispatch_table[i].builtin) |
5823 | assign_proc (SCHEME_A_ i, dispatch_table[i].name); |
5664 | assign_proc (SCHEME_A_ i, opname (i)); |
5824 | |
5665 | |
5825 | /* initialization of global pointers to special symbols */ |
5666 | /* initialization of global pointers to special symbols */ |
5826 | SCHEME_V->LAMBDA = mk_symbol (SCHEME_A_ "lambda"); |
5667 | SCHEME_V->LAMBDA = mk_symbol (SCHEME_A_ "lambda"); |
5827 | SCHEME_V->QUOTE = mk_symbol (SCHEME_A_ "quote"); |
5668 | SCHEME_V->QUOTE = mk_symbol (SCHEME_A_ "quote"); |
5828 | SCHEME_V->QQUOTE = mk_symbol (SCHEME_A_ "quasiquote"); |
5669 | SCHEME_V->QQUOTE = mk_symbol (SCHEME_A_ "quasiquote"); |
… | |
… | |
5867 | scheme_set_external_data (SCHEME_P_ void *p) |
5708 | scheme_set_external_data (SCHEME_P_ void *p) |
5868 | { |
5709 | { |
5869 | SCHEME_V->ext_data = p; |
5710 | SCHEME_V->ext_data = p; |
5870 | } |
5711 | } |
5871 | |
5712 | |
5872 | void |
5713 | ecb_cold void |
5873 | scheme_deinit (SCHEME_P) |
5714 | scheme_deinit (SCHEME_P) |
5874 | { |
5715 | { |
5875 | int i; |
5716 | int i; |
5876 | |
5717 | |
5877 | #if SHOW_ERROR_LINE |
5718 | #if SHOW_ERROR_LINE |
… | |
… | |
5969 | { |
5810 | { |
5970 | dump_stack_reset (SCHEME_A); |
5811 | dump_stack_reset (SCHEME_A); |
5971 | SCHEME_V->envir = SCHEME_V->global_env; |
5812 | SCHEME_V->envir = SCHEME_V->global_env; |
5972 | SCHEME_V->file_i = 0; |
5813 | SCHEME_V->file_i = 0; |
5973 | SCHEME_V->load_stack[0].kind = port_input | port_string; |
5814 | SCHEME_V->load_stack[0].kind = port_input | port_string; |
5974 | SCHEME_V->load_stack[0].rep.string.start = (char *) cmd; /* This func respects const */ |
5815 | SCHEME_V->load_stack[0].rep.string.start = (char *)cmd; /* This func respects const */ |
5975 | SCHEME_V->load_stack[0].rep.string.past_the_end = (char *) cmd + strlen (cmd); |
5816 | SCHEME_V->load_stack[0].rep.string.past_the_end = (char *)cmd + strlen (cmd); |
5976 | SCHEME_V->load_stack[0].rep.string.curr = (char *) cmd; |
5817 | SCHEME_V->load_stack[0].rep.string.curr = (char *)cmd; |
5977 | #if USE_PORTS |
5818 | #if USE_PORTS |
5978 | SCHEME_V->loadport = mk_port (SCHEME_A_ SCHEME_V->load_stack); |
5819 | SCHEME_V->loadport = mk_port (SCHEME_A_ SCHEME_V->load_stack); |
5979 | #endif |
5820 | #endif |
5980 | SCHEME_V->retcode = 0; |
5821 | SCHEME_V->retcode = 0; |
5981 | SCHEME_V->interactive_repl = 0; |
5822 | SCHEME_V->interactive_repl = 0; |