… | |
… | |
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 | |
|
|
33 | #include "ecb.h" |
|
|
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 |
|
|
163 | |
164 | |
|
|
165 | #define stricmp(a,b) strcasecmp (a, b) |
|
|
166 | #define strlwr(s) xstrlwr (s) |
|
|
167 | |
|
|
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) |
|
|
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); |
|
|
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); |
|
|
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); |
|
|
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 | |
223 | |
224 | static INLINE int |
224 | ecb_inline int |
225 | num_is_integer (pointer p) |
225 | num_is_integer (pointer p) |
226 | { |
226 | { |
227 | return num_is_fixnum (p->object.number); |
227 | return num_is_fixnum (p->object.number); |
228 | } |
228 | } |
229 | |
229 | |
… | |
… | |
233 | /* macros for cell operations */ |
233 | /* macros for cell operations */ |
234 | #define typeflag(p) ((p)->flag + 0) |
234 | #define typeflag(p) ((p)->flag + 0) |
235 | #define set_typeflag(p,v) ((p)->flag = (v)) |
235 | #define set_typeflag(p,v) ((p)->flag = (v)) |
236 | #define type(p) (typeflag (p) & T_MASKTYPE) |
236 | #define type(p) (typeflag (p) & T_MASKTYPE) |
237 | |
237 | |
238 | INTERFACE INLINE int |
238 | INTERFACE int |
239 | is_string (pointer p) |
239 | is_string (pointer p) |
240 | { |
240 | { |
241 | return type (p) == T_STRING; |
241 | return type (p) == T_STRING; |
242 | } |
242 | } |
243 | |
243 | |
244 | #define strvalue(p) ((p)->object.string.svalue) |
244 | #define strvalue(p) ((p)->object.string.svalue) |
245 | #define strlength(p) ((p)->object.string.length) |
245 | #define strlength(p) ((p)->object.string.length) |
246 | |
246 | |
247 | INTERFACE int is_list (SCHEME_P_ pointer p); |
247 | INTERFACE int is_list (SCHEME_P_ pointer p); |
|
|
248 | |
248 | INTERFACE INLINE int |
249 | INTERFACE int |
249 | is_vector (pointer p) |
250 | is_vector (pointer p) |
250 | { |
251 | { |
251 | return type (p) == T_VECTOR; |
252 | return type (p) == T_VECTOR; |
252 | } |
253 | } |
253 | |
254 | |
… | |
… | |
262 | vector_length (pointer vec) |
263 | vector_length (pointer vec) |
263 | { |
264 | { |
264 | return vec->object.vector.length; |
265 | return vec->object.vector.length; |
265 | } |
266 | } |
266 | |
267 | |
267 | INTERFACE INLINE int |
268 | INTERFACE int |
268 | is_number (pointer p) |
269 | is_number (pointer p) |
269 | { |
270 | { |
270 | return type (p) == T_NUMBER; |
271 | return type (p) == T_NUMBER; |
271 | } |
272 | } |
272 | |
273 | |
273 | INTERFACE INLINE int |
274 | INTERFACE int |
274 | is_integer (pointer p) |
275 | is_integer (pointer p) |
275 | { |
276 | { |
276 | if (!is_number (p)) |
277 | if (!is_number (p)) |
277 | return 0; |
278 | return 0; |
278 | |
279 | |
… | |
… | |
280 | return 1; |
281 | return 1; |
281 | |
282 | |
282 | return 0; |
283 | return 0; |
283 | } |
284 | } |
284 | |
285 | |
285 | INTERFACE INLINE int |
286 | INTERFACE int |
286 | is_real (pointer p) |
287 | is_real (pointer p) |
287 | { |
288 | { |
288 | return is_number (p) && !num_is_fixnum (p->object.number); |
289 | return is_number (p) && !num_is_fixnum (p->object.number); |
289 | } |
290 | } |
290 | |
291 | |
291 | INTERFACE INLINE int |
292 | INTERFACE int |
292 | is_character (pointer p) |
293 | is_character (pointer p) |
293 | { |
294 | { |
294 | return type (p) == T_CHARACTER; |
295 | return type (p) == T_CHARACTER; |
295 | } |
296 | } |
296 | |
297 | |
297 | INTERFACE INLINE char * |
298 | INTERFACE char * |
298 | string_value (pointer p) |
299 | string_value (pointer p) |
299 | { |
300 | { |
300 | return strvalue (p); |
301 | return strvalue (p); |
301 | } |
302 | } |
302 | |
303 | |
303 | INLINE num |
304 | ecb_inline num |
304 | nvalue (pointer p) |
305 | nvalue (pointer p) |
305 | { |
306 | { |
306 | return (p)->object.number; |
307 | return (p)->object.number; |
307 | } |
308 | } |
308 | |
309 | |
… | |
… | |
338 | #else |
339 | #else |
339 | # define rvalue_unchecked(p) ((p)->object.number.value.ivalue) |
340 | # define rvalue_unchecked(p) ((p)->object.number.value.ivalue) |
340 | # define set_num_integer(p) 0 |
341 | # define set_num_integer(p) 0 |
341 | # define set_num_real(p) 0 |
342 | # define set_num_real(p) 0 |
342 | #endif |
343 | #endif |
|
|
344 | |
343 | INTERFACE long |
345 | INTERFACE long |
344 | charvalue (pointer p) |
346 | charvalue (pointer p) |
345 | { |
347 | { |
346 | return ivalue_unchecked (p); |
348 | return ivalue_unchecked (p); |
347 | } |
349 | } |
348 | |
350 | |
349 | INTERFACE INLINE int |
351 | INTERFACE int |
350 | is_port (pointer p) |
352 | is_port (pointer p) |
351 | { |
353 | { |
352 | return type (p) == T_PORT; |
354 | return type (p) == T_PORT; |
353 | } |
355 | } |
354 | |
356 | |
355 | INTERFACE INLINE int |
357 | INTERFACE int |
356 | is_inport (pointer p) |
358 | is_inport (pointer p) |
357 | { |
359 | { |
358 | return is_port (p) && p->object.port->kind & port_input; |
360 | return is_port (p) && p->object.port->kind & port_input; |
359 | } |
361 | } |
360 | |
362 | |
361 | INTERFACE INLINE int |
363 | INTERFACE int |
362 | is_outport (pointer p) |
364 | is_outport (pointer p) |
363 | { |
365 | { |
364 | return is_port (p) && p->object.port->kind & port_output; |
366 | return is_port (p) && p->object.port->kind & port_output; |
365 | } |
367 | } |
366 | |
368 | |
367 | INTERFACE INLINE int |
369 | INTERFACE int |
368 | is_pair (pointer p) |
370 | is_pair (pointer p) |
369 | { |
371 | { |
370 | return type (p) == T_PAIR; |
372 | return type (p) == T_PAIR; |
371 | } |
373 | } |
372 | |
374 | |
373 | #define car(p) ((p)->object.cons.car + 0) |
375 | #define car(p) ((p)->object.cons.car + 0) |
374 | #define cdr(p) ((p)->object.cons.cdr) /* find_consecutive_cells uses &cdr */ |
376 | #define cdr(p) ((p)->object.cons.cdr + 0) |
375 | |
377 | |
376 | #define caar(p) car (car (p)) |
378 | static pointer caar (pointer p) { return car (car (p)); } |
377 | #define cadr(p) car (cdr (p)) |
379 | static pointer cadr (pointer p) { return car (cdr (p)); } |
378 | #define cdar(p) cdr (car (p)) |
380 | static pointer cdar (pointer p) { return cdr (car (p)); } |
379 | #define cddr(p) cdr (cdr (p)) |
381 | static pointer cddr (pointer p) { return cdr (cdr (p)); } |
380 | |
382 | |
381 | #define cadar(p) car (cdr (car (p))) |
383 | static pointer cadar (pointer p) { return car (cdr (car (p))); } |
382 | #define caddr(p) car (cdr (cdr (p))) |
384 | static pointer caddr (pointer p) { return car (cdr (cdr (p))); } |
383 | #define cdaar(p) cdr (car (car (p))) |
385 | static pointer cdaar (pointer p) { return cdr (car (car (p))); } |
384 | |
386 | |
385 | INTERFACE void |
387 | INTERFACE void |
386 | set_car (pointer p, pointer q) |
388 | set_car (pointer p, pointer q) |
387 | { |
389 | { |
388 | p->object.cons.car = q; |
390 | p->object.cons.car = q; |
… | |
… | |
404 | pair_cdr (pointer p) |
406 | pair_cdr (pointer p) |
405 | { |
407 | { |
406 | return cdr (p); |
408 | return cdr (p); |
407 | } |
409 | } |
408 | |
410 | |
409 | INTERFACE INLINE int |
411 | INTERFACE int |
410 | is_symbol (pointer p) |
412 | is_symbol (pointer p) |
411 | { |
413 | { |
412 | return type (p) == T_SYMBOL; |
414 | return type (p) == T_SYMBOL; |
413 | } |
415 | } |
414 | |
416 | |
415 | INTERFACE INLINE char * |
417 | INTERFACE char * |
416 | symname (pointer p) |
418 | symname (pointer p) |
417 | { |
419 | { |
418 | return strvalue (car (p)); |
420 | return strvalue (car (p)); |
419 | } |
421 | } |
420 | |
422 | |
421 | #if USE_PLIST |
423 | #if USE_PLIST |
422 | SCHEME_EXPORT INLINE int |
424 | SCHEME_EXPORT int |
423 | hasprop (pointer p) |
425 | hasprop (pointer p) |
424 | { |
426 | { |
425 | return typeflag (p) & T_SYMBOL; |
427 | return typeflag (p) & T_SYMBOL; |
426 | } |
428 | } |
427 | |
429 | |
428 | # define symprop(p) cdr(p) |
430 | # define symprop(p) cdr(p) |
429 | #endif |
431 | #endif |
430 | |
432 | |
431 | INTERFACE INLINE int |
433 | INTERFACE int |
432 | is_syntax (pointer p) |
434 | is_syntax (pointer p) |
433 | { |
435 | { |
434 | return typeflag (p) & T_SYNTAX; |
436 | return typeflag (p) & T_SYNTAX; |
435 | } |
437 | } |
436 | |
438 | |
437 | INTERFACE INLINE int |
439 | INTERFACE int |
438 | is_proc (pointer p) |
440 | is_proc (pointer p) |
439 | { |
441 | { |
440 | return type (p) == T_PROC; |
442 | return type (p) == T_PROC; |
441 | } |
443 | } |
442 | |
444 | |
443 | INTERFACE INLINE int |
445 | INTERFACE int |
444 | is_foreign (pointer p) |
446 | is_foreign (pointer p) |
445 | { |
447 | { |
446 | return type (p) == T_FOREIGN; |
448 | return type (p) == T_FOREIGN; |
447 | } |
449 | } |
448 | |
450 | |
449 | INTERFACE INLINE char * |
451 | INTERFACE char * |
450 | syntaxname (pointer p) |
452 | syntaxname (pointer p) |
451 | { |
453 | { |
452 | return strvalue (car (p)); |
454 | return strvalue (car (p)); |
453 | } |
455 | } |
454 | |
456 | |
455 | #define procnum(p) ivalue (p) |
457 | #define procnum(p) ivalue (p) |
456 | static const char *procname (pointer x); |
458 | static const char *procname (pointer x); |
457 | |
459 | |
458 | INTERFACE INLINE int |
460 | INTERFACE int |
459 | is_closure (pointer p) |
461 | is_closure (pointer p) |
460 | { |
462 | { |
461 | return type (p) == T_CLOSURE; |
463 | return type (p) == T_CLOSURE; |
462 | } |
464 | } |
463 | |
465 | |
464 | INTERFACE INLINE int |
466 | INTERFACE int |
465 | is_macro (pointer p) |
467 | is_macro (pointer p) |
466 | { |
468 | { |
467 | return type (p) == T_MACRO; |
469 | return type (p) == T_MACRO; |
468 | } |
470 | } |
469 | |
471 | |
470 | INTERFACE INLINE pointer |
472 | INTERFACE pointer |
471 | closure_code (pointer p) |
473 | closure_code (pointer p) |
472 | { |
474 | { |
473 | return car (p); |
475 | return car (p); |
474 | } |
476 | } |
475 | |
477 | |
476 | INTERFACE INLINE pointer |
478 | INTERFACE pointer |
477 | closure_env (pointer p) |
479 | closure_env (pointer p) |
478 | { |
480 | { |
479 | return cdr (p); |
481 | return cdr (p); |
480 | } |
482 | } |
481 | |
483 | |
482 | INTERFACE INLINE int |
484 | INTERFACE int |
483 | is_continuation (pointer p) |
485 | is_continuation (pointer p) |
484 | { |
486 | { |
485 | return type (p) == T_CONTINUATION; |
487 | return type (p) == T_CONTINUATION; |
486 | } |
488 | } |
487 | |
489 | |
488 | #define cont_dump(p) cdr (p) |
490 | #define cont_dump(p) cdr (p) |
489 | #define set_cont_dump(p,v) set_cdr ((p), (v)) |
491 | #define set_cont_dump(p,v) set_cdr ((p), (v)) |
490 | |
492 | |
491 | /* To do: promise should be forced ONCE only */ |
493 | /* To do: promise should be forced ONCE only */ |
492 | INTERFACE INLINE int |
494 | INTERFACE int |
493 | is_promise (pointer p) |
495 | is_promise (pointer p) |
494 | { |
496 | { |
495 | return type (p) == T_PROMISE; |
497 | return type (p) == T_PROMISE; |
496 | } |
498 | } |
497 | |
499 | |
498 | INTERFACE INLINE int |
500 | INTERFACE int |
499 | is_environment (pointer p) |
501 | is_environment (pointer p) |
500 | { |
502 | { |
501 | return type (p) == T_ENVIRONMENT; |
503 | return type (p) == T_ENVIRONMENT; |
502 | } |
504 | } |
503 | |
505 | |
… | |
… | |
509 | |
511 | |
510 | #define is_mark(p) (typeflag (p) & T_MARK) |
512 | #define is_mark(p) (typeflag (p) & T_MARK) |
511 | #define setmark(p) set_typeflag ((p), typeflag (p) | T_MARK) |
513 | #define setmark(p) set_typeflag ((p), typeflag (p) | T_MARK) |
512 | #define clrmark(p) set_typeflag ((p), typeflag (p) & ~T_MARK) |
514 | #define clrmark(p) set_typeflag ((p), typeflag (p) & ~T_MARK) |
513 | |
515 | |
514 | INTERFACE INLINE int |
516 | INTERFACE int |
515 | is_immutable (pointer p) |
517 | is_immutable (pointer p) |
516 | { |
518 | { |
517 | return typeflag (p) & T_IMMUTABLE && USE_ERROR_CHECKING; |
519 | return typeflag (p) & T_IMMUTABLE && USE_ERROR_CHECKING; |
518 | } |
520 | } |
519 | |
521 | |
520 | INTERFACE INLINE void |
522 | INTERFACE void |
521 | setimmutable (pointer p) |
523 | setimmutable (pointer p) |
522 | { |
524 | { |
523 | #if USE_ERROR_CHECKING |
525 | #if USE_ERROR_CHECKING |
524 | set_typeflag (p, typeflag (p) | T_IMMUTABLE); |
526 | set_typeflag (p, typeflag (p) | T_IMMUTABLE); |
525 | #endif |
527 | #endif |
526 | } |
528 | } |
527 | |
529 | |
528 | #if USE_CHAR_CLASSIFIERS |
530 | #if USE_CHAR_CLASSIFIERS |
529 | static INLINE int |
531 | ecb_inline int |
530 | Cisalpha (int c) |
532 | Cisalpha (int c) |
531 | { |
533 | { |
532 | return isascii (c) && isalpha (c); |
534 | return isascii (c) && isalpha (c); |
533 | } |
535 | } |
534 | |
536 | |
535 | static INLINE int |
537 | ecb_inline int |
536 | Cisdigit (int c) |
538 | Cisdigit (int c) |
537 | { |
539 | { |
538 | return isascii (c) && isdigit (c); |
540 | return isascii (c) && isdigit (c); |
539 | } |
541 | } |
540 | |
542 | |
541 | static INLINE int |
543 | ecb_inline int |
542 | Cisspace (int c) |
544 | Cisspace (int c) |
543 | { |
545 | { |
544 | return isascii (c) && isspace (c); |
546 | return isascii (c) && isspace (c); |
545 | } |
547 | } |
546 | |
548 | |
547 | static INLINE int |
549 | ecb_inline int |
548 | Cisupper (int c) |
550 | Cisupper (int c) |
549 | { |
551 | { |
550 | return isascii (c) && isupper (c); |
552 | return isascii (c) && isupper (c); |
551 | } |
553 | } |
552 | |
554 | |
553 | static INLINE int |
555 | ecb_inline int |
554 | Cislower (int c) |
556 | Cislower (int c) |
555 | { |
557 | { |
556 | return isascii (c) && islower (c); |
558 | return isascii (c) && islower (c); |
557 | } |
559 | } |
558 | #endif |
560 | #endif |
… | |
… | |
619 | #endif |
621 | #endif |
620 | |
622 | |
621 | static int file_push (SCHEME_P_ const char *fname); |
623 | static int file_push (SCHEME_P_ const char *fname); |
622 | static void file_pop (SCHEME_P); |
624 | static void file_pop (SCHEME_P); |
623 | static int file_interactive (SCHEME_P); |
625 | static int file_interactive (SCHEME_P); |
624 | static INLINE int is_one_of (char *s, int c); |
626 | ecb_inline int is_one_of (char *s, int c); |
625 | static int alloc_cellseg (SCHEME_P_ int n); |
627 | static int alloc_cellseg (SCHEME_P_ int n); |
626 | static INLINE pointer get_cell (SCHEME_P_ pointer a, pointer b); |
628 | ecb_inline pointer get_cell (SCHEME_P_ pointer a, pointer b); |
627 | static void finalize_cell (SCHEME_P_ pointer a); |
629 | static void finalize_cell (SCHEME_P_ pointer a); |
628 | static int count_consecutive_cells (pointer x, int needed); |
630 | static int count_consecutive_cells (pointer x, int needed); |
629 | static pointer find_slot_in_env (SCHEME_P_ pointer env, pointer sym, int all); |
631 | static pointer find_slot_in_env (SCHEME_P_ pointer env, pointer sym, int all); |
630 | static pointer mk_number (SCHEME_P_ const num n); |
632 | static pointer mk_number (SCHEME_P_ const num n); |
631 | static char *store_string (SCHEME_P_ uint32_t len, const char *str, char fill); |
633 | static char *store_string (SCHEME_P_ uint32_t len, const char *str, char fill); |
… | |
… | |
648 | static int basic_inchar (port *pt); |
650 | static int basic_inchar (port *pt); |
649 | static int inchar (SCHEME_P); |
651 | static int inchar (SCHEME_P); |
650 | static void backchar (SCHEME_P_ int c); |
652 | static void backchar (SCHEME_P_ int c); |
651 | static char *readstr_upto (SCHEME_P_ char *delim); |
653 | static char *readstr_upto (SCHEME_P_ char *delim); |
652 | static pointer readstrexp (SCHEME_P); |
654 | static pointer readstrexp (SCHEME_P); |
653 | static INLINE int skipspace (SCHEME_P); |
655 | ecb_inline int skipspace (SCHEME_P); |
654 | static int token (SCHEME_P); |
656 | static int token (SCHEME_P); |
655 | static void printslashstring (SCHEME_P_ char *s, int len); |
657 | static void printslashstring (SCHEME_P_ char *s, int len); |
656 | static void atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen); |
658 | static void atom2str (SCHEME_P_ pointer l, int f, char **pp, int *plen); |
657 | static void printatom (SCHEME_P_ pointer l, int f); |
659 | static void printatom (SCHEME_P_ pointer l, int f); |
658 | static pointer mk_proc (SCHEME_P_ enum scheme_opcodes op); |
660 | static pointer mk_proc (SCHEME_P_ enum scheme_opcodes op); |
… | |
… | |
662 | static pointer reverse_in_place (SCHEME_P_ pointer term, pointer list); |
664 | static pointer reverse_in_place (SCHEME_P_ pointer term, pointer list); |
663 | static pointer revappend (SCHEME_P_ pointer a, pointer b); |
665 | static pointer revappend (SCHEME_P_ pointer a, pointer b); |
664 | static pointer ss_get_cont (SCHEME_P); |
666 | static pointer ss_get_cont (SCHEME_P); |
665 | static void ss_set_cont (SCHEME_P_ pointer cont); |
667 | static void ss_set_cont (SCHEME_P_ pointer cont); |
666 | static void dump_stack_mark (SCHEME_P); |
668 | static void dump_stack_mark (SCHEME_P); |
667 | static pointer opexe_0 (SCHEME_P_ enum scheme_opcodes op); |
669 | static int opexe_0 (SCHEME_P_ enum scheme_opcodes op); |
|
|
670 | static int opexe_1 (SCHEME_P_ enum scheme_opcodes op); |
668 | static pointer opexe_2 (SCHEME_P_ enum scheme_opcodes op); |
671 | static int opexe_2 (SCHEME_P_ enum scheme_opcodes op); |
669 | static pointer opexe_3 (SCHEME_P_ enum scheme_opcodes op); |
672 | static int opexe_3 (SCHEME_P_ enum scheme_opcodes op); |
670 | static pointer opexe_4 (SCHEME_P_ enum scheme_opcodes op); |
673 | static int opexe_4 (SCHEME_P_ enum scheme_opcodes op); |
671 | static pointer opexe_5 (SCHEME_P_ enum scheme_opcodes op); |
674 | static int opexe_5 (SCHEME_P_ enum scheme_opcodes op); |
672 | static pointer opexe_6 (SCHEME_P_ enum scheme_opcodes op); |
675 | static int opexe_6 (SCHEME_P_ enum scheme_opcodes op); |
673 | static void Eval_Cycle (SCHEME_P_ enum scheme_opcodes op); |
676 | static void Eval_Cycle (SCHEME_P_ enum scheme_opcodes op); |
674 | static void assign_syntax (SCHEME_P_ const char *name); |
677 | static void assign_syntax (SCHEME_P_ const char *name); |
675 | static int syntaxnum (pointer p); |
678 | static int syntaxnum (pointer p); |
676 | static void assign_proc (SCHEME_P_ enum scheme_opcodes, const char *name); |
679 | static void assign_proc (SCHEME_P_ enum scheme_opcodes, const char *name); |
677 | |
680 | |
678 | static num |
681 | static num |
679 | num_add (num a, num b) |
682 | num_op (enum num_op op, num a, num b) |
680 | { |
683 | { |
681 | num ret; |
684 | num ret; |
682 | |
685 | |
683 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
686 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
684 | |
687 | |
685 | if (num_is_fixnum (ret)) |
688 | if (num_is_fixnum (ret)) |
686 | num_set_ivalue (ret, num_get_ivalue (a) + num_get_ivalue (b)); |
689 | { |
|
|
690 | IVALUE av = num_get_ivalue (a); |
|
|
691 | IVALUE bv = num_get_ivalue (b); |
|
|
692 | |
|
|
693 | switch (op) |
|
|
694 | { |
|
|
695 | case NUM_ADD: av += bv; break; |
|
|
696 | case NUM_SUB: av -= bv; break; |
|
|
697 | case NUM_MUL: av *= bv; break; |
|
|
698 | case NUM_INTDIV: av /= bv; break; |
|
|
699 | } |
|
|
700 | |
|
|
701 | num_set_ivalue (ret, av); |
|
|
702 | } |
687 | else |
703 | else |
688 | num_set_rvalue (ret, num_get_rvalue (a) + num_get_rvalue (b)); |
704 | { |
|
|
705 | RVALUE av = num_get_rvalue (a); |
|
|
706 | RVALUE bv = num_get_rvalue (b); |
689 | |
707 | |
690 | return ret; |
708 | switch (op) |
691 | } |
709 | { |
|
|
710 | case NUM_ADD: av += bv; break; |
|
|
711 | case NUM_SUB: av -= bv; break; |
|
|
712 | case NUM_MUL: av *= bv; break; |
|
|
713 | case NUM_INTDIV: av /= bv; break; |
|
|
714 | } |
692 | |
715 | |
693 | static num |
716 | num_set_rvalue (ret, av); |
694 | num_mul (num a, num b) |
717 | } |
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 | |
718 | |
705 | return ret; |
719 | return ret; |
706 | } |
720 | } |
707 | |
721 | |
708 | static num |
722 | static num |
… | |
… | |
719 | |
733 | |
720 | return ret; |
734 | return ret; |
721 | } |
735 | } |
722 | |
736 | |
723 | static num |
737 | 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) |
738 | num_rem (num a, num b) |
755 | { |
739 | { |
756 | num ret; |
740 | num ret; |
757 | long e1, e2, res; |
741 | long e1, e2, res; |
758 | |
742 | |
… | |
… | |
794 | |
778 | |
795 | num_set_ivalue (ret, res); |
779 | num_set_ivalue (ret, res); |
796 | return ret; |
780 | return ret; |
797 | } |
781 | } |
798 | |
782 | |
|
|
783 | /* this completely disrespects NaNs, but r5rs doesn't even allow NaNs */ |
799 | static int |
784 | static int |
800 | num_eq (num a, num b) |
785 | num_cmp (num a, num b) |
801 | { |
786 | { |
|
|
787 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
802 | int ret; |
788 | int ret; |
803 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
|
|
804 | |
789 | |
805 | if (is_fixnum) |
790 | if (is_fixnum) |
806 | ret = num_get_ivalue (a) == num_get_ivalue (b); |
791 | { |
|
|
792 | IVALUE av = num_get_ivalue (a); |
|
|
793 | IVALUE bv = num_get_ivalue (b); |
|
|
794 | |
|
|
795 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
|
|
796 | } |
807 | else |
797 | else |
808 | ret = num_get_rvalue (a) == num_get_rvalue (b); |
798 | { |
|
|
799 | RVALUE av = num_get_rvalue (a); |
|
|
800 | RVALUE bv = num_get_rvalue (b); |
|
|
801 | |
|
|
802 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
|
|
803 | } |
809 | |
804 | |
810 | return ret; |
805 | 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 | } |
806 | } |
853 | |
807 | |
854 | #if USE_MATH |
808 | #if USE_MATH |
855 | |
809 | |
856 | /* Round to nearest. Round to even if midway */ |
810 | /* Round to nearest. Round to even if midway */ |
… | |
… | |
866 | return ce; |
820 | return ce; |
867 | else if (dfl < dce) |
821 | else if (dfl < dce) |
868 | return fl; |
822 | return fl; |
869 | else |
823 | else |
870 | { |
824 | { |
871 | if (fmod (fl, 2.0) == 0.0) /* I imagine this holds */ |
825 | if (fmod (fl, 2) == 0) /* I imagine this holds */ |
872 | return fl; |
826 | return fl; |
873 | else |
827 | else |
874 | return ce; |
828 | return ce; |
875 | } |
829 | } |
876 | } |
830 | } |
877 | #endif |
831 | #endif |
878 | |
832 | |
879 | static int |
833 | static int |
880 | is_zero_rvalue (RVALUE x) |
834 | is_zero_rvalue (RVALUE x) |
881 | { |
835 | { |
|
|
836 | return x == 0; |
|
|
837 | #if 0 |
882 | #if USE_REAL |
838 | #if USE_REAL |
883 | return x < DBL_MIN && x > -DBL_MIN; /* why the hate of denormals? this should be == 0. */ |
839 | return x < DBL_MIN && x > -DBL_MIN; /* why the hate of denormals? this should be == 0. */ |
884 | #else |
840 | #else |
885 | return x == 0; |
841 | return x == 0; |
|
|
842 | #endif |
886 | #endif |
843 | #endif |
887 | } |
844 | } |
888 | |
845 | |
889 | /* allocate new cell segment */ |
846 | /* allocate new cell segment */ |
890 | static int |
847 | static int |
… | |
… | |
962 | |
919 | |
963 | return n; |
920 | return n; |
964 | } |
921 | } |
965 | |
922 | |
966 | /* get new cell. parameter a, b is marked by gc. */ |
923 | /* get new cell. parameter a, b is marked by gc. */ |
967 | static INLINE pointer |
924 | ecb_inline pointer |
968 | get_cell_x (SCHEME_P_ pointer a, pointer b) |
925 | get_cell_x (SCHEME_P_ pointer a, pointer b) |
969 | { |
926 | { |
970 | if (SCHEME_V->free_cell == NIL) |
927 | if (ecb_expect_false (SCHEME_V->free_cell == NIL)) |
971 | { |
928 | { |
972 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
929 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
973 | return S_SINK; |
930 | return S_SINK; |
974 | |
931 | |
975 | if (SCHEME_V->free_cell == NIL) |
932 | if (SCHEME_V->free_cell == NIL) |
… | |
… | |
1050 | push_recent_alloc (SCHEME_A_ v, NIL); |
1007 | push_recent_alloc (SCHEME_A_ v, NIL); |
1051 | |
1008 | |
1052 | return v; |
1009 | return v; |
1053 | } |
1010 | } |
1054 | |
1011 | |
1055 | static INLINE void |
1012 | ecb_inline void |
1056 | ok_to_freely_gc (SCHEME_P) |
1013 | ok_to_freely_gc (SCHEME_P) |
1057 | { |
1014 | { |
1058 | set_car (S_SINK, NIL); |
1015 | set_car (S_SINK, NIL); |
1059 | } |
1016 | } |
1060 | |
1017 | |
… | |
… | |
1124 | location = hash_fn (name, veclength (SCHEME_V->oblist)); |
1081 | 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))); |
1082 | set_vector_elem (SCHEME_V->oblist, location, immutable_cons (x, vector_elem (SCHEME_V->oblist, location))); |
1126 | return x; |
1083 | return x; |
1127 | } |
1084 | } |
1128 | |
1085 | |
1129 | static INLINE pointer |
1086 | ecb_inline pointer |
1130 | oblist_find_by_name (SCHEME_P_ const char *name) |
1087 | oblist_find_by_name (SCHEME_P_ const char *name) |
1131 | { |
1088 | { |
1132 | int location; |
1089 | int location; |
1133 | pointer x; |
1090 | pointer x; |
1134 | char *s; |
1091 | char *s; |
… | |
… | |
1167 | oblist_initial_value (SCHEME_P) |
1124 | oblist_initial_value (SCHEME_P) |
1168 | { |
1125 | { |
1169 | return NIL; |
1126 | return NIL; |
1170 | } |
1127 | } |
1171 | |
1128 | |
1172 | static INLINE pointer |
1129 | ecb_inline pointer |
1173 | oblist_find_by_name (SCHEME_P_ const char *name) |
1130 | oblist_find_by_name (SCHEME_P_ const char *name) |
1174 | { |
1131 | { |
1175 | pointer x; |
1132 | pointer x; |
1176 | char *s; |
1133 | char *s; |
1177 | |
1134 | |
… | |
… | |
1481 | |
1438 | |
1482 | /* make constant */ |
1439 | /* make constant */ |
1483 | static pointer |
1440 | static pointer |
1484 | mk_sharp_const (SCHEME_P_ char *name) |
1441 | mk_sharp_const (SCHEME_P_ char *name) |
1485 | { |
1442 | { |
1486 | long x; |
|
|
1487 | char tmp[STRBUFFSIZE]; |
|
|
1488 | |
|
|
1489 | if (!strcmp (name, "t")) |
1443 | if (!strcmp (name, "t")) |
1490 | return S_T; |
1444 | return S_T; |
1491 | else if (!strcmp (name, "f")) |
1445 | else if (!strcmp (name, "f")) |
1492 | return S_F; |
1446 | return S_F; |
1493 | else if (*name == '\\') /* #\w (character) */ |
1447 | else if (*name == '\\') /* #\w (character) */ |
1494 | { |
1448 | { |
1495 | int c = 0; |
1449 | int c; |
1496 | |
1450 | |
1497 | if (stricmp (name + 1, "space") == 0) |
1451 | if (stricmp (name + 1, "space") == 0) |
1498 | c = ' '; |
1452 | c = ' '; |
1499 | else if (stricmp (name + 1, "newline") == 0) |
1453 | else if (stricmp (name + 1, "newline") == 0) |
1500 | c = '\n'; |
1454 | c = '\n'; |
… | |
… | |
1502 | c = '\r'; |
1456 | c = '\r'; |
1503 | else if (stricmp (name + 1, "tab") == 0) |
1457 | else if (stricmp (name + 1, "tab") == 0) |
1504 | c = '\t'; |
1458 | c = '\t'; |
1505 | else if (name[1] == 'x' && name[2] != 0) |
1459 | else if (name[1] == 'x' && name[2] != 0) |
1506 | { |
1460 | { |
1507 | int c1 = strtol (name + 2, 0, 16); |
1461 | long c1 = strtol (name + 2, 0, 16); |
1508 | |
1462 | |
1509 | if (c1 <= UCHAR_MAX) |
1463 | if (0 <= c1 && c1 <= UCHAR_MAX) |
1510 | c = c1; |
1464 | c = c1; |
1511 | else |
1465 | else |
1512 | return NIL; |
1466 | return NIL; |
1513 | |
1467 | } |
1514 | #if USE_ASCII_NAMES |
1468 | #if USE_ASCII_NAMES |
1515 | } |
|
|
1516 | else if (is_ascii_name (name + 1, &c)) |
1469 | else if (is_ascii_name (name + 1, &c)) |
1517 | { |
|
|
1518 | /* nothing */ |
1470 | /* nothing */; |
1519 | #endif |
1471 | #endif |
1520 | } |
|
|
1521 | else if (name[2] == 0) |
1472 | else if (name[2] == 0) |
1522 | c = name[1]; |
1473 | c = name[1]; |
1523 | else |
1474 | else |
1524 | return NIL; |
1475 | return NIL; |
1525 | |
1476 | |
… | |
… | |
1542 | |
1493 | |
1543 | /*-- |
1494 | /*-- |
1544 | * We use algorithm E (Knuth, The Art of Computer Programming Vol.1, |
1495 | * We use algorithm E (Knuth, The Art of Computer Programming Vol.1, |
1545 | * sec. 2.3.5), the Schorr-Deutsch-Waite link-inversion algorithm, |
1496 | * sec. 2.3.5), the Schorr-Deutsch-Waite link-inversion algorithm, |
1546 | * for marking. |
1497 | * for marking. |
|
|
1498 | * |
|
|
1499 | * The exception is vectors - vectors are currently marked recursively, |
|
|
1500 | * which is inherited form tinyscheme and could be fixed by having another |
|
|
1501 | * word of context in the vector |
1547 | */ |
1502 | */ |
1548 | static void |
1503 | static void |
1549 | mark (pointer a) |
1504 | mark (pointer a) |
1550 | { |
1505 | { |
1551 | pointer t, q, p; |
1506 | pointer t, q, p; |
… | |
… | |
1553 | t = 0; |
1508 | t = 0; |
1554 | p = a; |
1509 | p = a; |
1555 | E2: |
1510 | E2: |
1556 | setmark (p); |
1511 | setmark (p); |
1557 | |
1512 | |
1558 | if (is_vector (p)) |
1513 | if (ecb_expect_false (is_vector (p))) |
1559 | { |
1514 | { |
1560 | int i; |
1515 | int i; |
1561 | |
1516 | |
1562 | for (i = 0; i < p->object.vector.length; i++) |
1517 | for (i = 0; i < p->object.vector.length; i++) |
1563 | mark (vecvalue (p)[i]); |
1518 | mark (vecvalue (p)[i]); |
… | |
… | |
1686 | } |
1641 | } |
1687 | |
1642 | |
1688 | static void |
1643 | static void |
1689 | finalize_cell (SCHEME_P_ pointer a) |
1644 | finalize_cell (SCHEME_P_ pointer a) |
1690 | { |
1645 | { |
|
|
1646 | /* TODO, fast bitmap check? */ |
1691 | if (is_string (a)) |
1647 | if (is_string (a)) |
1692 | free (strvalue (a)); |
1648 | free (strvalue (a)); |
1693 | else if (is_vector (a)) |
1649 | else if (is_vector (a)) |
1694 | free (vecvalue (a)); |
1650 | free (vecvalue (a)); |
1695 | #if USE_PORTS |
1651 | #if USE_PORTS |
… | |
… | |
2276 | } |
2232 | } |
2277 | } |
2233 | } |
2278 | } |
2234 | } |
2279 | |
2235 | |
2280 | /* check c is in chars */ |
2236 | /* check c is in chars */ |
2281 | static INLINE int |
2237 | ecb_inline int |
2282 | is_one_of (char *s, int c) |
2238 | is_one_of (char *s, int c) |
2283 | { |
2239 | { |
2284 | if (c == EOF) |
2240 | if (c == EOF) |
2285 | return 1; |
2241 | return 1; |
2286 | |
2242 | |
2287 | return !!strchr (s, c); |
2243 | return !!strchr (s, c); |
2288 | } |
2244 | } |
2289 | |
2245 | |
2290 | /* skip white characters */ |
2246 | /* skip white characters */ |
2291 | static INLINE int |
2247 | ecb_inline int |
2292 | skipspace (SCHEME_P) |
2248 | skipspace (SCHEME_P) |
2293 | { |
2249 | { |
2294 | int c, curr_line = 0; |
2250 | int c, curr_line = 0; |
2295 | |
2251 | |
2296 | do |
2252 | do |
… | |
… | |
2790 | } |
2746 | } |
2791 | else if (is_number (a)) |
2747 | else if (is_number (a)) |
2792 | { |
2748 | { |
2793 | if (is_number (b)) |
2749 | if (is_number (b)) |
2794 | if (num_is_integer (a) == num_is_integer (b)) |
2750 | if (num_is_integer (a) == num_is_integer (b)) |
2795 | return num_eq (nvalue (a), nvalue (b)); |
2751 | return num_cmp (nvalue (a), nvalue (b)) == 0; |
2796 | |
2752 | |
2797 | return 0; |
2753 | return 0; |
2798 | } |
2754 | } |
2799 | else if (is_character (a)) |
2755 | else if (is_character (a)) |
2800 | { |
2756 | { |
… | |
… | |
2867 | |
2823 | |
2868 | SCHEME_V->envir = immutable_cons (new_frame, old_env); |
2824 | SCHEME_V->envir = immutable_cons (new_frame, old_env); |
2869 | setenvironment (SCHEME_V->envir); |
2825 | setenvironment (SCHEME_V->envir); |
2870 | } |
2826 | } |
2871 | |
2827 | |
2872 | static INLINE void |
2828 | ecb_inline void |
2873 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2829 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2874 | { |
2830 | { |
2875 | pointer slot = immutable_cons (variable, value); |
2831 | pointer slot = immutable_cons (variable, value); |
2876 | |
2832 | |
2877 | if (is_vector (car (env))) |
2833 | if (is_vector (car (env))) |
… | |
… | |
2917 | return NIL; |
2873 | return NIL; |
2918 | } |
2874 | } |
2919 | |
2875 | |
2920 | #else /* USE_ALIST_ENV */ |
2876 | #else /* USE_ALIST_ENV */ |
2921 | |
2877 | |
2922 | static INLINE void |
2878 | ecb_inline void |
2923 | new_frame_in_env (SCHEME_P_ pointer old_env) |
2879 | new_frame_in_env (SCHEME_P_ pointer old_env) |
2924 | { |
2880 | { |
2925 | SCHEME_V->envir = immutable_cons (NIL, old_env); |
2881 | SCHEME_V->envir = immutable_cons (NIL, old_env); |
2926 | setenvironment (SCHEME_V->envir); |
2882 | setenvironment (SCHEME_V->envir); |
2927 | } |
2883 | } |
2928 | |
2884 | |
2929 | static INLINE void |
2885 | ecb_inline void |
2930 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2886 | new_slot_spec_in_env (SCHEME_P_ pointer env, pointer variable, pointer value) |
2931 | { |
2887 | { |
2932 | set_car (env, immutable_cons (immutable_cons (variable, value), car (env))); |
2888 | set_car (env, immutable_cons (immutable_cons (variable, value), car (env))); |
2933 | } |
2889 | } |
2934 | |
2890 | |
… | |
… | |
2956 | return NIL; |
2912 | return NIL; |
2957 | } |
2913 | } |
2958 | |
2914 | |
2959 | #endif /* USE_ALIST_ENV else */ |
2915 | #endif /* USE_ALIST_ENV else */ |
2960 | |
2916 | |
2961 | static INLINE void |
2917 | ecb_inline void |
2962 | new_slot_in_env (SCHEME_P_ pointer variable, pointer value) |
2918 | new_slot_in_env (SCHEME_P_ pointer variable, pointer value) |
2963 | { |
2919 | { |
2964 | new_slot_spec_in_env (SCHEME_A_ SCHEME_V->envir, variable, value); |
2920 | new_slot_spec_in_env (SCHEME_A_ SCHEME_V->envir, variable, value); |
2965 | } |
2921 | } |
2966 | |
2922 | |
2967 | static INLINE void |
2923 | ecb_inline void |
2968 | set_slot_in_env (SCHEME_P_ pointer slot, pointer value) |
2924 | set_slot_in_env (SCHEME_P_ pointer slot, pointer value) |
2969 | { |
2925 | { |
2970 | set_cdr (slot, value); |
2926 | set_cdr (slot, value); |
2971 | } |
2927 | } |
2972 | |
2928 | |
2973 | static INLINE pointer |
2929 | ecb_inline pointer |
2974 | slot_value_in_env (pointer slot) |
2930 | slot_value_in_env (pointer slot) |
2975 | { |
2931 | { |
2976 | return cdr (slot); |
2932 | return cdr (slot); |
2977 | } |
2933 | } |
2978 | |
2934 | |
2979 | /* ========== Evaluation Cycle ========== */ |
2935 | /* ========== Evaluation Cycle ========== */ |
2980 | |
2936 | |
2981 | static pointer |
2937 | static int |
2982 | xError_1 (SCHEME_P_ const char *s, pointer a) |
2938 | xError_1 (SCHEME_P_ const char *s, pointer a) |
2983 | { |
2939 | { |
2984 | #if USE_ERROR_HOOK |
2940 | #if USE_ERROR_HOOK |
2985 | pointer x; |
2941 | pointer x; |
2986 | pointer hdl = SCHEME_V->ERROR_HOOK; |
2942 | pointer hdl = SCHEME_V->ERROR_HOOK; |
… | |
… | |
3021 | code = cons (mk_string (SCHEME_A_ s), code); |
2977 | code = cons (mk_string (SCHEME_A_ s), code); |
3022 | setimmutable (car (code)); |
2978 | setimmutable (car (code)); |
3023 | SCHEME_V->code = cons (slot_value_in_env (x), code); |
2979 | SCHEME_V->code = cons (slot_value_in_env (x), code); |
3024 | SCHEME_V->op = OP_EVAL; |
2980 | SCHEME_V->op = OP_EVAL; |
3025 | |
2981 | |
3026 | return S_T; |
2982 | return 0; |
3027 | } |
2983 | } |
3028 | #endif |
2984 | #endif |
3029 | |
2985 | |
3030 | if (a) |
2986 | if (a) |
3031 | SCHEME_V->args = cons (a, NIL); |
2987 | SCHEME_V->args = cons (a, NIL); |
… | |
… | |
3033 | SCHEME_V->args = NIL; |
2989 | SCHEME_V->args = NIL; |
3034 | |
2990 | |
3035 | SCHEME_V->args = cons (mk_string (SCHEME_A_ s), SCHEME_V->args); |
2991 | SCHEME_V->args = cons (mk_string (SCHEME_A_ s), SCHEME_V->args); |
3036 | setimmutable (car (SCHEME_V->args)); |
2992 | setimmutable (car (SCHEME_V->args)); |
3037 | SCHEME_V->op = OP_ERR0; |
2993 | SCHEME_V->op = OP_ERR0; |
|
|
2994 | |
3038 | return S_T; |
2995 | return 0; |
3039 | } |
2996 | } |
3040 | |
2997 | |
3041 | #define Error_1(s, a) return xError_1(SCHEME_A_ USE_ERROR_CHECKING ? s : "", a) |
2998 | #define Error_1(s, a) return xError_1(SCHEME_A_ USE_ERROR_CHECKING ? s : "", a) |
3042 | #define Error_0(s) Error_1 (s, 0) |
2999 | #define Error_0(s) Error_1 (s, 0) |
3043 | |
3000 | |
3044 | /* Too small to turn into function */ |
3001 | /* Too small to turn into function */ |
3045 | #define BEGIN do { |
3002 | #define BEGIN do { |
3046 | #define END } while (0) |
3003 | #define END } while (0) |
3047 | #define s_goto(a) BEGIN \ |
3004 | #define s_goto(a) BEGIN \ |
3048 | SCHEME_V->op = a; \ |
3005 | SCHEME_V->op = a; \ |
3049 | return S_T; END |
3006 | return 0; END |
3050 | |
3007 | |
3051 | #define s_return(a) return xs_return (SCHEME_A_ a) |
3008 | #define s_return(a) return xs_return (SCHEME_A_ a) |
3052 | |
3009 | |
3053 | #ifndef USE_SCHEME_STACK |
3010 | #ifndef USE_SCHEME_STACK |
3054 | |
3011 | |
… | |
… | |
3079 | next_frame = SCHEME_V->dump_base + nframes; |
3036 | next_frame = SCHEME_V->dump_base + nframes; |
3080 | |
3037 | |
3081 | next_frame->op = op; |
3038 | next_frame->op = op; |
3082 | next_frame->args = args; |
3039 | next_frame->args = args; |
3083 | next_frame->envir = SCHEME_V->envir; |
3040 | next_frame->envir = SCHEME_V->envir; |
3084 | next_frame->code = code; |
3041 | next_frame->code = code; |
3085 | |
3042 | |
3086 | SCHEME_V->dump = (pointer)(uintptr_t)(nframes + 1); |
3043 | SCHEME_V->dump = (pointer)(uintptr_t)(nframes + 1); |
3087 | } |
3044 | } |
3088 | |
3045 | |
3089 | static pointer |
3046 | static int |
3090 | xs_return (SCHEME_P_ pointer a) |
3047 | xs_return (SCHEME_P_ pointer a) |
3091 | { |
3048 | { |
3092 | int nframes = (uintptr_t)SCHEME_V->dump; |
3049 | int nframes = (uintptr_t)SCHEME_V->dump; |
3093 | struct dump_stack_frame *frame; |
3050 | struct dump_stack_frame *frame; |
3094 | |
3051 | |
3095 | SCHEME_V->value = a; |
3052 | SCHEME_V->value = a; |
3096 | |
3053 | |
3097 | if (nframes <= 0) |
3054 | if (nframes <= 0) |
3098 | return NIL; |
3055 | return -1; |
3099 | |
3056 | |
3100 | frame = &SCHEME_V->dump_base[--nframes]; |
3057 | frame = &SCHEME_V->dump_base[--nframes]; |
3101 | SCHEME_V->op = frame->op; |
3058 | SCHEME_V->op = frame->op; |
3102 | SCHEME_V->args = frame->args; |
3059 | SCHEME_V->args = frame->args; |
3103 | SCHEME_V->envir = frame->envir; |
3060 | SCHEME_V->envir = frame->envir; |
3104 | SCHEME_V->code = frame->code; |
3061 | SCHEME_V->code = frame->code; |
3105 | SCHEME_V->dump = (pointer)(uintptr_t)nframes; |
3062 | SCHEME_V->dump = (pointer)(uintptr_t)nframes; |
3106 | |
3063 | |
3107 | return S_T; |
3064 | return 0; |
3108 | } |
3065 | } |
3109 | |
3066 | |
3110 | static INLINE void |
3067 | ecb_inline void |
3111 | dump_stack_reset (SCHEME_P) |
3068 | dump_stack_reset (SCHEME_P) |
3112 | { |
3069 | { |
3113 | /* in this implementation, SCHEME_V->dump is the number of frames on the stack */ |
3070 | /* in this implementation, SCHEME_V->dump is the number of frames on the stack */ |
3114 | SCHEME_V->dump = (pointer)+0; |
3071 | SCHEME_V->dump = (pointer)+0; |
3115 | } |
3072 | } |
3116 | |
3073 | |
3117 | static INLINE void |
3074 | ecb_inline void |
3118 | dump_stack_initialize (SCHEME_P) |
3075 | dump_stack_initialize (SCHEME_P) |
3119 | { |
3076 | { |
3120 | SCHEME_V->dump_size = 0; |
3077 | SCHEME_V->dump_size = 0; |
3121 | SCHEME_V->dump_base = 0; |
3078 | SCHEME_V->dump_base = 0; |
3122 | dump_stack_reset (SCHEME_A); |
3079 | dump_stack_reset (SCHEME_A); |
… | |
… | |
3189 | SCHEME_V->dump = (pointer)(uintptr_t)i; |
3146 | SCHEME_V->dump = (pointer)(uintptr_t)i; |
3190 | } |
3147 | } |
3191 | |
3148 | |
3192 | #else |
3149 | #else |
3193 | |
3150 | |
3194 | static INLINE void |
3151 | ecb_inline void |
3195 | dump_stack_reset (SCHEME_P) |
3152 | dump_stack_reset (SCHEME_P) |
3196 | { |
3153 | { |
3197 | SCHEME_V->dump = NIL; |
3154 | SCHEME_V->dump = NIL; |
3198 | } |
3155 | } |
3199 | |
3156 | |
3200 | static INLINE void |
3157 | ecb_inline void |
3201 | dump_stack_initialize (SCHEME_P) |
3158 | dump_stack_initialize (SCHEME_P) |
3202 | { |
3159 | { |
3203 | dump_stack_reset (SCHEME_A); |
3160 | dump_stack_reset (SCHEME_A); |
3204 | } |
3161 | } |
3205 | |
3162 | |
… | |
… | |
3207 | dump_stack_free (SCHEME_P) |
3164 | dump_stack_free (SCHEME_P) |
3208 | { |
3165 | { |
3209 | SCHEME_V->dump = NIL; |
3166 | SCHEME_V->dump = NIL; |
3210 | } |
3167 | } |
3211 | |
3168 | |
3212 | static pointer |
3169 | static int |
3213 | xs_return (SCHEME_P_ pointer a) |
3170 | xs_return (SCHEME_P_ pointer a) |
3214 | { |
3171 | { |
3215 | pointer dump = SCHEME_V->dump; |
3172 | pointer dump = SCHEME_V->dump; |
3216 | |
3173 | |
3217 | SCHEME_V->value = a; |
3174 | SCHEME_V->value = a; |
3218 | |
3175 | |
3219 | if (dump == NIL) |
3176 | if (dump == NIL) |
3220 | return NIL; |
3177 | return -1; |
3221 | |
3178 | |
3222 | SCHEME_V->op = ivalue (car (dump)); dump = cdr (dump); |
3179 | SCHEME_V->op = ivalue (car (dump)); dump = cdr (dump); |
3223 | SCHEME_V->args = car (dump) ; dump = cdr (dump); |
3180 | SCHEME_V->args = car (dump) ; dump = cdr (dump); |
3224 | SCHEME_V->envir = car (dump) ; dump = cdr (dump); |
3181 | SCHEME_V->envir = car (dump) ; dump = cdr (dump); |
3225 | SCHEME_V->code = car (dump) ; dump = cdr (dump); |
3182 | SCHEME_V->code = car (dump) ; dump = cdr (dump); |
3226 | |
3183 | |
3227 | SCHEME_V->dump = dump; |
3184 | SCHEME_V->dump = dump; |
3228 | |
3185 | |
3229 | return S_T; |
3186 | return 0; |
3230 | } |
3187 | } |
3231 | |
3188 | |
3232 | static void |
3189 | static void |
3233 | s_save (SCHEME_P_ enum scheme_opcodes op, pointer args, pointer code) |
3190 | s_save (SCHEME_P_ enum scheme_opcodes op, pointer args, pointer code) |
3234 | { |
3191 | { |
… | |
… | |
3259 | |
3216 | |
3260 | #endif |
3217 | #endif |
3261 | |
3218 | |
3262 | #define s_retbool(tf) s_return ((tf) ? S_T : S_F) |
3219 | #define s_retbool(tf) s_return ((tf) ? S_T : S_F) |
3263 | |
3220 | |
3264 | static pointer |
3221 | static int |
3265 | opexe_0 (SCHEME_P_ enum scheme_opcodes op) |
3222 | opexe_0 (SCHEME_P_ enum scheme_opcodes op) |
3266 | { |
3223 | { |
|
|
3224 | pointer args = SCHEME_V->args; |
3267 | pointer x, y; |
3225 | pointer x, y; |
3268 | |
3226 | |
3269 | switch (op) |
3227 | switch (op) |
3270 | { |
3228 | { |
3271 | case OP_LOAD: /* load */ |
3229 | case OP_LOAD: /* load */ |
3272 | if (file_interactive (SCHEME_A)) |
3230 | if (file_interactive (SCHEME_A)) |
3273 | { |
3231 | { |
3274 | xwrstr ("Loading "); xwrstr (strvalue (car (SCHEME_V->args))); xwrstr ("\n"); |
3232 | 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))); |
3233 | //D fprintf (SCHEME_V->outport->object.port->rep.stdio.file, "Loading %s\n", strvalue (car (args))); |
3276 | } |
3234 | } |
3277 | |
3235 | |
3278 | if (!file_push (SCHEME_A_ strvalue (car (SCHEME_V->args)))) |
3236 | if (!file_push (SCHEME_A_ strvalue (car (args)))) |
3279 | Error_1 ("unable to open", car (SCHEME_V->args)); |
3237 | Error_1 ("unable to open", car (args)); |
3280 | else |
3238 | else |
3281 | { |
3239 | { |
3282 | SCHEME_V->args = mk_integer (SCHEME_A_ SCHEME_V->file_i); |
3240 | SCHEME_V->args = mk_integer (SCHEME_A_ SCHEME_V->file_i); |
3283 | s_goto (OP_T0LVL); |
3241 | s_goto (OP_T0LVL); |
3284 | } |
3242 | } |
… | |
… | |
3358 | case OP_EVAL: /* main part of evaluation */ |
3316 | case OP_EVAL: /* main part of evaluation */ |
3359 | #if USE_TRACING |
3317 | #if USE_TRACING |
3360 | if (SCHEME_V->tracing) |
3318 | if (SCHEME_V->tracing) |
3361 | { |
3319 | { |
3362 | /*s_save(SCHEME_A_ OP_VALUEPRINT,NIL,NIL); */ |
3320 | /*s_save(SCHEME_A_ OP_VALUEPRINT,NIL,NIL); */ |
3363 | s_save (SCHEME_A_ OP_REAL_EVAL, SCHEME_V->args, SCHEME_V->code); |
3321 | s_save (SCHEME_A_ OP_REAL_EVAL, args, SCHEME_V->code); |
3364 | SCHEME_V->args = SCHEME_V->code; |
3322 | SCHEME_V->args = SCHEME_V->code; |
3365 | putstr (SCHEME_A_ "\nEval: "); |
3323 | putstr (SCHEME_A_ "\nEval: "); |
3366 | s_goto (OP_P0LIST); |
3324 | s_goto (OP_P0LIST); |
3367 | } |
3325 | } |
3368 | |
3326 | |
… | |
… | |
3412 | SCHEME_V->code = cdr (SCHEME_V->code); |
3370 | SCHEME_V->code = cdr (SCHEME_V->code); |
3413 | s_goto (OP_E1ARGS); |
3371 | s_goto (OP_E1ARGS); |
3414 | } |
3372 | } |
3415 | |
3373 | |
3416 | case OP_E1ARGS: /* eval arguments */ |
3374 | case OP_E1ARGS: /* eval arguments */ |
3417 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
3375 | args = cons (SCHEME_V->value, args); |
3418 | |
3376 | |
3419 | if (is_pair (SCHEME_V->code)) /* continue */ |
3377 | if (is_pair (SCHEME_V->code)) /* continue */ |
3420 | { |
3378 | { |
3421 | s_save (SCHEME_A_ OP_E1ARGS, SCHEME_V->args, cdr (SCHEME_V->code)); |
3379 | s_save (SCHEME_A_ OP_E1ARGS, args, cdr (SCHEME_V->code)); |
3422 | SCHEME_V->code = car (SCHEME_V->code); |
3380 | SCHEME_V->code = car (SCHEME_V->code); |
3423 | SCHEME_V->args = NIL; |
3381 | SCHEME_V->args = NIL; |
3424 | s_goto (OP_EVAL); |
3382 | s_goto (OP_EVAL); |
3425 | } |
3383 | } |
3426 | else /* end */ |
3384 | else /* end */ |
3427 | { |
3385 | { |
3428 | SCHEME_V->args = reverse_in_place (SCHEME_A_ NIL, SCHEME_V->args); |
3386 | args = reverse_in_place (SCHEME_A_ NIL, args); |
3429 | SCHEME_V->code = car (SCHEME_V->args); |
3387 | SCHEME_V->code = car (args); |
3430 | SCHEME_V->args = cdr (SCHEME_V->args); |
3388 | SCHEME_V->args = cdr (args); |
3431 | s_goto (OP_APPLY); |
3389 | s_goto (OP_APPLY); |
3432 | } |
3390 | } |
3433 | |
3391 | |
3434 | #if USE_TRACING |
3392 | #if USE_TRACING |
3435 | |
3393 | |
3436 | case OP_TRACING: |
3394 | case OP_TRACING: |
3437 | { |
3395 | { |
3438 | int tr = SCHEME_V->tracing; |
3396 | int tr = SCHEME_V->tracing; |
3439 | |
3397 | |
3440 | SCHEME_V->tracing = ivalue (car (SCHEME_V->args)); |
3398 | SCHEME_V->tracing = ivalue (car (args)); |
3441 | s_return (mk_integer (SCHEME_A_ tr)); |
3399 | s_return (mk_integer (SCHEME_A_ tr)); |
3442 | } |
3400 | } |
3443 | |
3401 | |
3444 | #endif |
3402 | #endif |
3445 | |
3403 | |
3446 | case OP_APPLY: /* apply 'code' to 'args' */ |
3404 | case OP_APPLY: /* apply 'code' to 'args' */ |
3447 | #if USE_TRACING |
3405 | #if USE_TRACING |
3448 | if (SCHEME_V->tracing) |
3406 | if (SCHEME_V->tracing) |
3449 | { |
3407 | { |
3450 | s_save (SCHEME_A_ OP_REAL_APPLY, SCHEME_V->args, SCHEME_V->code); |
3408 | s_save (SCHEME_A_ OP_REAL_APPLY, args, SCHEME_V->code); |
3451 | SCHEME_V->print_flag = 1; |
3409 | SCHEME_V->print_flag = 1; |
3452 | /* SCHEME_V->args=cons(SCHEME_V->code,SCHEME_V->args); */ |
3410 | /* args=cons(SCHEME_V->code,args); */ |
3453 | putstr (SCHEME_A_ "\nApply to: "); |
3411 | putstr (SCHEME_A_ "\nApply to: "); |
3454 | s_goto (OP_P0LIST); |
3412 | s_goto (OP_P0LIST); |
3455 | } |
3413 | } |
3456 | |
3414 | |
3457 | /* fall through */ |
3415 | /* fall through */ |
3458 | |
3416 | |
3459 | case OP_REAL_APPLY: |
3417 | case OP_REAL_APPLY: |
3460 | #endif |
3418 | #endif |
3461 | if (is_proc (SCHEME_V->code)) |
3419 | if (is_proc (SCHEME_V->code)) |
3462 | { |
|
|
3463 | s_goto (procnum (SCHEME_V->code)); /* PROCEDURE */ |
3420 | s_goto (procnum (SCHEME_V->code)); /* PROCEDURE */ |
3464 | } |
|
|
3465 | else if (is_foreign (SCHEME_V->code)) |
3421 | else if (is_foreign (SCHEME_V->code)) |
3466 | { |
3422 | { |
3467 | /* Keep nested calls from GC'ing the arglist */ |
3423 | /* Keep nested calls from GC'ing the arglist */ |
3468 | push_recent_alloc (SCHEME_A_ SCHEME_V->args, NIL); |
3424 | push_recent_alloc (SCHEME_A_ args, NIL); |
3469 | x = SCHEME_V->code->object.ff (SCHEME_A_ SCHEME_V->args); |
3425 | x = SCHEME_V->code->object.ff (SCHEME_A_ args); |
3470 | |
3426 | |
3471 | s_return (x); |
3427 | s_return (x); |
3472 | } |
3428 | } |
3473 | else if (is_closure (SCHEME_V->code) || is_macro (SCHEME_V->code) || is_promise (SCHEME_V->code)) /* CLOSURE */ |
3429 | else if (is_closure (SCHEME_V->code) || is_macro (SCHEME_V->code) || is_promise (SCHEME_V->code)) /* CLOSURE */ |
3474 | { |
3430 | { |
3475 | /* Should not accept promise */ |
3431 | /* Should not accept promise */ |
3476 | /* make environment */ |
3432 | /* make environment */ |
3477 | new_frame_in_env (SCHEME_A_ closure_env (SCHEME_V->code)); |
3433 | new_frame_in_env (SCHEME_A_ closure_env (SCHEME_V->code)); |
3478 | |
3434 | |
3479 | for (x = car (closure_code (SCHEME_V->code)), y = SCHEME_V->args; is_pair (x); x = cdr (x), y = cdr (y)) |
3435 | for (x = car (closure_code (SCHEME_V->code)), y = args; is_pair (x); x = cdr (x), y = cdr (y)) |
3480 | { |
3436 | { |
3481 | if (y == NIL) |
3437 | if (y == NIL) |
3482 | Error_0 ("not enough arguments"); |
3438 | Error_0 ("not enough arguments"); |
3483 | else |
3439 | else |
3484 | new_slot_in_env (SCHEME_A_ car (x), car (y)); |
3440 | new_slot_in_env (SCHEME_A_ car (x), car (y)); |
… | |
… | |
3502 | s_goto (OP_BEGIN); |
3458 | s_goto (OP_BEGIN); |
3503 | } |
3459 | } |
3504 | else if (is_continuation (SCHEME_V->code)) /* CONTINUATION */ |
3460 | else if (is_continuation (SCHEME_V->code)) /* CONTINUATION */ |
3505 | { |
3461 | { |
3506 | ss_set_cont (SCHEME_A_ cont_dump (SCHEME_V->code)); |
3462 | ss_set_cont (SCHEME_A_ cont_dump (SCHEME_V->code)); |
3507 | s_return (SCHEME_V->args != NIL ? car (SCHEME_V->args) : NIL); |
3463 | s_return (args != NIL ? car (args) : NIL); |
3508 | } |
3464 | } |
3509 | else |
3465 | else |
3510 | Error_0 ("illegal function"); |
3466 | Error_0 ("illegal function"); |
3511 | |
3467 | |
3512 | case OP_DOMACRO: /* do macro */ |
3468 | case OP_DOMACRO: /* do macro */ |
… | |
… | |
3521 | { |
3477 | { |
3522 | pointer f = find_slot_in_env (SCHEME_A_ SCHEME_V->envir, SCHEME_V->COMPILE_HOOK, 1); |
3478 | pointer f = find_slot_in_env (SCHEME_A_ SCHEME_V->envir, SCHEME_V->COMPILE_HOOK, 1); |
3523 | |
3479 | |
3524 | if (f != NIL) |
3480 | if (f != NIL) |
3525 | { |
3481 | { |
3526 | s_save (SCHEME_A_ OP_LAMBDA1, SCHEME_V->args, SCHEME_V->code); |
3482 | s_save (SCHEME_A_ OP_LAMBDA1, args, SCHEME_V->code); |
3527 | SCHEME_V->args = cons (SCHEME_V->code, NIL); |
3483 | SCHEME_V->args = cons (SCHEME_V->code, NIL); |
3528 | SCHEME_V->code = slot_value_in_env (f); |
3484 | SCHEME_V->code = slot_value_in_env (f); |
3529 | s_goto (OP_APPLY); |
3485 | s_goto (OP_APPLY); |
3530 | } |
3486 | } |
3531 | |
3487 | |
… | |
… | |
3542 | s_return (mk_closure (SCHEME_A_ SCHEME_V->code, SCHEME_V->envir)); |
3498 | s_return (mk_closure (SCHEME_A_ SCHEME_V->code, SCHEME_V->envir)); |
3543 | |
3499 | |
3544 | #endif |
3500 | #endif |
3545 | |
3501 | |
3546 | case OP_MKCLOSURE: /* make-closure */ |
3502 | case OP_MKCLOSURE: /* make-closure */ |
3547 | x = car (SCHEME_V->args); |
3503 | x = car (args); |
3548 | |
3504 | |
3549 | if (car (x) == SCHEME_V->LAMBDA) |
3505 | if (car (x) == SCHEME_V->LAMBDA) |
3550 | x = cdr (x); |
3506 | x = cdr (x); |
3551 | |
3507 | |
3552 | if (cdr (SCHEME_V->args) == NIL) |
3508 | if (cdr (args) == NIL) |
3553 | y = SCHEME_V->envir; |
3509 | y = SCHEME_V->envir; |
3554 | else |
3510 | else |
3555 | y = cadr (SCHEME_V->args); |
3511 | y = cadr (args); |
3556 | |
3512 | |
3557 | s_return (mk_closure (SCHEME_A_ x, y)); |
3513 | s_return (mk_closure (SCHEME_A_ x, y)); |
3558 | |
3514 | |
3559 | case OP_QUOTE: /* quote */ |
3515 | case OP_QUOTE: /* quote */ |
3560 | s_return (car (SCHEME_V->code)); |
3516 | s_return (car (SCHEME_V->code)); |
… | |
… | |
3592 | |
3548 | |
3593 | |
3549 | |
3594 | case OP_DEFP: /* defined? */ |
3550 | case OP_DEFP: /* defined? */ |
3595 | x = SCHEME_V->envir; |
3551 | x = SCHEME_V->envir; |
3596 | |
3552 | |
3597 | if (cdr (SCHEME_V->args) != NIL) |
3553 | if (cdr (args) != NIL) |
3598 | x = cadr (SCHEME_V->args); |
3554 | x = cadr (args); |
3599 | |
3555 | |
3600 | s_retbool (find_slot_in_env (SCHEME_A_ x, car (SCHEME_V->args), 1) != NIL); |
3556 | s_retbool (find_slot_in_env (SCHEME_A_ x, car (args), 1) != NIL); |
3601 | |
3557 | |
3602 | case OP_SET0: /* set! */ |
3558 | case OP_SET0: /* set! */ |
3603 | if (is_immutable (car (SCHEME_V->code))) |
3559 | if (is_immutable (car (SCHEME_V->code))) |
3604 | Error_1 ("set!: unable to alter immutable variable", car (SCHEME_V->code)); |
3560 | Error_1 ("set!: unable to alter immutable variable", car (SCHEME_V->code)); |
3605 | |
3561 | |
… | |
… | |
3636 | |
3592 | |
3637 | case OP_IF1: /* if */ |
3593 | case OP_IF1: /* if */ |
3638 | if (is_true (SCHEME_V->value)) |
3594 | if (is_true (SCHEME_V->value)) |
3639 | SCHEME_V->code = car (SCHEME_V->code); |
3595 | SCHEME_V->code = car (SCHEME_V->code); |
3640 | else |
3596 | else |
3641 | SCHEME_V->code = cadr (SCHEME_V->code); /* (if #f 1) ==> () because |
3597 | SCHEME_V->code = cadr (SCHEME_V->code); /* (if #f 1) ==> () because * car(NIL) = NIL */ |
3642 | |
|
|
3643 | * car(NIL) = NIL */ |
|
|
3644 | s_goto (OP_EVAL); |
3598 | s_goto (OP_EVAL); |
3645 | |
3599 | |
3646 | case OP_LET0: /* let */ |
3600 | case OP_LET0: /* let */ |
3647 | SCHEME_V->args = NIL; |
3601 | SCHEME_V->args = NIL; |
3648 | SCHEME_V->value = SCHEME_V->code; |
3602 | SCHEME_V->value = SCHEME_V->code; |
3649 | SCHEME_V->code = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code); |
3603 | SCHEME_V->code = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code); |
3650 | s_goto (OP_LET1); |
3604 | s_goto (OP_LET1); |
3651 | |
3605 | |
3652 | case OP_LET1: /* let (calculate parameters) */ |
3606 | case OP_LET1: /* let (calculate parameters) */ |
3653 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
3607 | args = cons (SCHEME_V->value, args); |
3654 | |
3608 | |
3655 | if (is_pair (SCHEME_V->code)) /* continue */ |
3609 | if (is_pair (SCHEME_V->code)) /* continue */ |
3656 | { |
3610 | { |
3657 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
3611 | 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)); |
3612 | Error_1 ("Bad syntax of binding spec in let :", car (SCHEME_V->code)); |
3659 | |
3613 | |
3660 | s_save (SCHEME_A_ OP_LET1, SCHEME_V->args, cdr (SCHEME_V->code)); |
3614 | s_save (SCHEME_A_ OP_LET1, args, cdr (SCHEME_V->code)); |
3661 | SCHEME_V->code = cadar (SCHEME_V->code); |
3615 | SCHEME_V->code = cadar (SCHEME_V->code); |
3662 | SCHEME_V->args = NIL; |
3616 | SCHEME_V->args = NIL; |
3663 | s_goto (OP_EVAL); |
3617 | s_goto (OP_EVAL); |
3664 | } |
3618 | } |
3665 | else /* end */ |
3619 | else /* end */ |
3666 | { |
3620 | { |
3667 | SCHEME_V->args = reverse_in_place (SCHEME_A_ NIL, SCHEME_V->args); |
3621 | args = reverse_in_place (SCHEME_A_ NIL, args); |
3668 | SCHEME_V->code = car (SCHEME_V->args); |
3622 | SCHEME_V->code = car (args); |
3669 | SCHEME_V->args = cdr (SCHEME_V->args); |
3623 | SCHEME_V->args = cdr (args); |
3670 | s_goto (OP_LET2); |
3624 | s_goto (OP_LET2); |
3671 | } |
3625 | } |
3672 | |
3626 | |
3673 | case OP_LET2: /* let */ |
3627 | case OP_LET2: /* let */ |
3674 | new_frame_in_env (SCHEME_A_ SCHEME_V->envir); |
3628 | new_frame_in_env (SCHEME_A_ SCHEME_V->envir); |
3675 | |
3629 | |
3676 | for (x = is_symbol (car (SCHEME_V->code)) ? cadr (SCHEME_V->code) : car (SCHEME_V->code), y = SCHEME_V->args; |
3630 | 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)) |
3631 | y != NIL; x = cdr (x), y = cdr (y)) |
3678 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
3632 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
3679 | |
3633 | |
3680 | if (is_symbol (car (SCHEME_V->code))) /* named let */ |
3634 | if (is_symbol (car (SCHEME_V->code))) /* named let */ |
3681 | { |
3635 | { |
3682 | for (x = cadr (SCHEME_V->code), SCHEME_V->args = NIL; x != NIL; x = cdr (x)) |
3636 | for (x = cadr (SCHEME_V->code), args = NIL; x != NIL; x = cdr (x)) |
3683 | { |
3637 | { |
3684 | if (!is_pair (x)) |
3638 | if (!is_pair (x)) |
3685 | Error_1 ("Bad syntax of binding in let :", x); |
3639 | Error_1 ("Bad syntax of binding in let :", x); |
3686 | |
3640 | |
3687 | if (!is_list (SCHEME_A_ car (x))) |
3641 | if (!is_list (SCHEME_A_ car (x))) |
3688 | Error_1 ("Bad syntax of binding in let :", car (x)); |
3642 | Error_1 ("Bad syntax of binding in let :", car (x)); |
3689 | |
3643 | |
3690 | SCHEME_V->args = cons (caar (x), SCHEME_V->args); |
3644 | args = cons (caar (x), args); |
3691 | } |
3645 | } |
3692 | |
3646 | |
3693 | x = |
|
|
3694 | mk_closure (SCHEME_A_ cons (reverse_in_place (SCHEME_A_ NIL, SCHEME_V->args), cddr (SCHEME_V->code)), |
3647 | x = mk_closure (SCHEME_A_ cons (reverse_in_place (SCHEME_A_ NIL, args), cddr (SCHEME_V->code)), |
3695 | SCHEME_V->envir); |
3648 | SCHEME_V->envir); |
3696 | new_slot_in_env (SCHEME_A_ car (SCHEME_V->code), x); |
3649 | new_slot_in_env (SCHEME_A_ car (SCHEME_V->code), x); |
3697 | SCHEME_V->code = cddr (SCHEME_V->code); |
3650 | SCHEME_V->code = cddr (SCHEME_V->code); |
3698 | SCHEME_V->args = NIL; |
|
|
3699 | } |
3651 | } |
3700 | else |
3652 | else |
3701 | { |
3653 | { |
3702 | SCHEME_V->code = cdr (SCHEME_V->code); |
3654 | SCHEME_V->code = cdr (SCHEME_V->code); |
|
|
3655 | } |
|
|
3656 | |
3703 | SCHEME_V->args = NIL; |
3657 | SCHEME_V->args = NIL; |
3704 | } |
|
|
3705 | |
|
|
3706 | s_goto (OP_BEGIN); |
3658 | s_goto (OP_BEGIN); |
3707 | |
3659 | |
3708 | case OP_LET0AST: /* let* */ |
3660 | case OP_LET0AST: /* let* */ |
3709 | if (car (SCHEME_V->code) == NIL) |
3661 | if (car (SCHEME_V->code) == NIL) |
3710 | { |
3662 | { |
… | |
… | |
3728 | new_slot_in_env (SCHEME_A_ caar (SCHEME_V->code), SCHEME_V->value); |
3680 | new_slot_in_env (SCHEME_A_ caar (SCHEME_V->code), SCHEME_V->value); |
3729 | SCHEME_V->code = cdr (SCHEME_V->code); |
3681 | SCHEME_V->code = cdr (SCHEME_V->code); |
3730 | |
3682 | |
3731 | if (is_pair (SCHEME_V->code)) /* continue */ |
3683 | if (is_pair (SCHEME_V->code)) /* continue */ |
3732 | { |
3684 | { |
3733 | s_save (SCHEME_A_ OP_LET2AST, SCHEME_V->args, SCHEME_V->code); |
3685 | s_save (SCHEME_A_ OP_LET2AST, args, SCHEME_V->code); |
3734 | SCHEME_V->code = cadar (SCHEME_V->code); |
3686 | SCHEME_V->code = cadar (SCHEME_V->code); |
3735 | SCHEME_V->args = NIL; |
3687 | SCHEME_V->args = NIL; |
3736 | s_goto (OP_EVAL); |
3688 | s_goto (OP_EVAL); |
3737 | } |
3689 | } |
3738 | else /* end */ |
3690 | else /* end */ |
3739 | { |
3691 | { |
3740 | SCHEME_V->code = SCHEME_V->args; |
3692 | SCHEME_V->code = args; |
3741 | SCHEME_V->args = NIL; |
3693 | SCHEME_V->args = NIL; |
3742 | s_goto (OP_BEGIN); |
3694 | s_goto (OP_BEGIN); |
3743 | } |
3695 | } |
3744 | |
3696 | |
3745 | case OP_LET0REC: /* letrec */ |
3697 | case OP_LET0REC: /* letrec */ |
… | |
… | |
3748 | SCHEME_V->value = SCHEME_V->code; |
3700 | SCHEME_V->value = SCHEME_V->code; |
3749 | SCHEME_V->code = car (SCHEME_V->code); |
3701 | SCHEME_V->code = car (SCHEME_V->code); |
3750 | s_goto (OP_LET1REC); |
3702 | s_goto (OP_LET1REC); |
3751 | |
3703 | |
3752 | case OP_LET1REC: /* letrec (calculate parameters) */ |
3704 | case OP_LET1REC: /* letrec (calculate parameters) */ |
3753 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
3705 | args = cons (SCHEME_V->value, args); |
3754 | |
3706 | |
3755 | if (is_pair (SCHEME_V->code)) /* continue */ |
3707 | if (is_pair (SCHEME_V->code)) /* continue */ |
3756 | { |
3708 | { |
3757 | if (!is_pair (car (SCHEME_V->code)) || !is_pair (cdar (SCHEME_V->code))) |
3709 | 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)); |
3710 | Error_1 ("Bad syntax of binding spec in letrec :", car (SCHEME_V->code)); |
3759 | |
3711 | |
3760 | s_save (SCHEME_A_ OP_LET1REC, SCHEME_V->args, cdr (SCHEME_V->code)); |
3712 | s_save (SCHEME_A_ OP_LET1REC, args, cdr (SCHEME_V->code)); |
3761 | SCHEME_V->code = cadar (SCHEME_V->code); |
3713 | SCHEME_V->code = cadar (SCHEME_V->code); |
3762 | SCHEME_V->args = NIL; |
3714 | SCHEME_V->args = NIL; |
3763 | s_goto (OP_EVAL); |
3715 | s_goto (OP_EVAL); |
3764 | } |
3716 | } |
3765 | else /* end */ |
3717 | else /* end */ |
3766 | { |
3718 | { |
3767 | SCHEME_V->args = reverse_in_place (SCHEME_A_ NIL, SCHEME_V->args); |
3719 | args = reverse_in_place (SCHEME_A_ NIL, args); |
3768 | SCHEME_V->code = car (SCHEME_V->args); |
3720 | SCHEME_V->code = car (args); |
3769 | SCHEME_V->args = cdr (SCHEME_V->args); |
3721 | SCHEME_V->args = cdr (args); |
3770 | s_goto (OP_LET2REC); |
3722 | s_goto (OP_LET2REC); |
3771 | } |
3723 | } |
3772 | |
3724 | |
3773 | case OP_LET2REC: /* letrec */ |
3725 | case OP_LET2REC: /* letrec */ |
3774 | for (x = car (SCHEME_V->code), y = SCHEME_V->args; y != NIL; x = cdr (x), y = cdr (y)) |
3726 | 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)); |
3727 | new_slot_in_env (SCHEME_A_ caar (x), car (y)); |
3776 | |
3728 | |
3777 | SCHEME_V->code = cdr (SCHEME_V->code); |
3729 | SCHEME_V->code = cdr (SCHEME_V->code); |
3778 | SCHEME_V->args = NIL; |
3730 | SCHEME_V->args = NIL; |
3779 | s_goto (OP_BEGIN); |
3731 | s_goto (OP_BEGIN); |
… | |
… | |
3865 | s_save (SCHEME_A_ OP_C1STREAM, NIL, cdr (SCHEME_V->code)); |
3817 | s_save (SCHEME_A_ OP_C1STREAM, NIL, cdr (SCHEME_V->code)); |
3866 | SCHEME_V->code = car (SCHEME_V->code); |
3818 | SCHEME_V->code = car (SCHEME_V->code); |
3867 | s_goto (OP_EVAL); |
3819 | s_goto (OP_EVAL); |
3868 | |
3820 | |
3869 | case OP_C1STREAM: /* cons-stream */ |
3821 | case OP_C1STREAM: /* cons-stream */ |
3870 | SCHEME_V->args = SCHEME_V->value; /* save SCHEME_V->value to register SCHEME_V->args for gc */ |
3822 | 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); |
3823 | x = mk_closure (SCHEME_A_ cons (NIL, SCHEME_V->code), SCHEME_V->envir); |
3872 | set_typeflag (x, T_PROMISE); |
3824 | set_typeflag (x, T_PROMISE); |
3873 | s_return (cons (SCHEME_V->args, x)); |
3825 | s_return (cons (args, x)); |
3874 | |
3826 | |
3875 | case OP_MACRO0: /* macro */ |
3827 | case OP_MACRO0: /* macro */ |
3876 | if (is_pair (car (SCHEME_V->code))) |
3828 | if (is_pair (car (SCHEME_V->code))) |
3877 | { |
3829 | { |
3878 | x = caar (SCHEME_V->code); |
3830 | x = caar (SCHEME_V->code); |
… | |
… | |
3911 | { |
3863 | { |
3912 | if (!is_pair (y = caar (x))) |
3864 | if (!is_pair (y = caar (x))) |
3913 | break; |
3865 | break; |
3914 | |
3866 | |
3915 | for (; y != NIL; y = cdr (y)) |
3867 | for (; y != NIL; y = cdr (y)) |
3916 | { |
|
|
3917 | if (eqv (car (y), SCHEME_V->value)) |
3868 | if (eqv (car (y), SCHEME_V->value)) |
3918 | break; |
3869 | break; |
3919 | } |
|
|
3920 | |
3870 | |
3921 | if (y != NIL) |
3871 | if (y != NIL) |
3922 | break; |
3872 | break; |
3923 | } |
3873 | } |
3924 | |
3874 | |
… | |
… | |
3944 | s_goto (OP_BEGIN); |
3894 | s_goto (OP_BEGIN); |
3945 | else |
3895 | else |
3946 | s_return (NIL); |
3896 | s_return (NIL); |
3947 | |
3897 | |
3948 | case OP_PAPPLY: /* apply */ |
3898 | case OP_PAPPLY: /* apply */ |
3949 | SCHEME_V->code = car (SCHEME_V->args); |
3899 | SCHEME_V->code = car (args); |
3950 | SCHEME_V->args = list_star (SCHEME_A_ cdr (SCHEME_V->args)); |
3900 | SCHEME_V->args = list_star (SCHEME_A_ cdr (args)); |
3951 | /*SCHEME_V->args = cadr(SCHEME_V->args); */ |
3901 | /*SCHEME_V->args = cadr(args); */ |
3952 | s_goto (OP_APPLY); |
3902 | s_goto (OP_APPLY); |
3953 | |
3903 | |
3954 | case OP_PEVAL: /* eval */ |
3904 | case OP_PEVAL: /* eval */ |
3955 | if (cdr (SCHEME_V->args) != NIL) |
3905 | if (cdr (args) != NIL) |
3956 | SCHEME_V->envir = cadr (SCHEME_V->args); |
3906 | SCHEME_V->envir = cadr (args); |
3957 | |
3907 | |
3958 | SCHEME_V->code = car (SCHEME_V->args); |
3908 | SCHEME_V->code = car (args); |
3959 | s_goto (OP_EVAL); |
3909 | s_goto (OP_EVAL); |
3960 | |
3910 | |
3961 | case OP_CONTINUATION: /* call-with-current-continuation */ |
3911 | case OP_CONTINUATION: /* call-with-current-continuation */ |
3962 | SCHEME_V->code = car (SCHEME_V->args); |
3912 | SCHEME_V->code = car (args); |
3963 | SCHEME_V->args = cons (mk_continuation (SCHEME_A_ ss_get_cont (SCHEME_A)), NIL); |
3913 | SCHEME_V->args = cons (mk_continuation (SCHEME_A_ ss_get_cont (SCHEME_A)), NIL); |
3964 | s_goto (OP_APPLY); |
3914 | s_goto (OP_APPLY); |
3965 | } |
3915 | } |
3966 | |
3916 | |
3967 | return S_T; |
3917 | abort (); |
3968 | } |
3918 | } |
3969 | |
3919 | |
3970 | static pointer |
3920 | static int |
3971 | opexe_2 (SCHEME_P_ enum scheme_opcodes op) |
3921 | opexe_1 (SCHEME_P_ enum scheme_opcodes op) |
3972 | { |
3922 | { |
3973 | pointer x; |
3923 | pointer args = SCHEME_V->args; |
|
|
3924 | pointer x = car (args); |
3974 | num v; |
3925 | num v; |
3975 | |
3926 | |
3976 | #if USE_MATH |
3927 | #if USE_MATH |
3977 | RVALUE dd; |
3928 | RVALUE dd; |
3978 | #endif |
3929 | #endif |
3979 | |
3930 | |
3980 | switch (op) |
3931 | switch (op) |
3981 | { |
3932 | { |
3982 | #if USE_MATH |
3933 | #if USE_MATH |
3983 | |
|
|
3984 | case OP_INEX2EX: /* inexact->exact */ |
3934 | case OP_INEX2EX: /* inexact->exact */ |
3985 | x = car (SCHEME_V->args); |
|
|
3986 | |
|
|
3987 | if (num_is_integer (x)) |
3935 | if (num_is_integer (x)) |
3988 | s_return (x); |
3936 | s_return (x); |
3989 | else if (modf (rvalue_unchecked (x), &dd) == 0.0) |
3937 | else if (modf (rvalue_unchecked (x), &dd) == 0) |
3990 | s_return (mk_integer (SCHEME_A_ ivalue (x))); |
3938 | s_return (mk_integer (SCHEME_A_ ivalue (x))); |
3991 | else |
3939 | else |
3992 | Error_1 ("inexact->exact: not integral:", x); |
3940 | Error_1 ("inexact->exact: not integral:", x); |
3993 | |
3941 | |
3994 | case OP_EXP: |
|
|
3995 | x = car (SCHEME_V->args); |
|
|
3996 | s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
3942 | 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)))); |
3943 | 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)))); |
3944 | 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)))); |
3945 | 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)))); |
3946 | 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)))); |
3947 | 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)))); |
3948 | case OP_ACOS: s_return (mk_real (SCHEME_A_ acos (rvalue (x)))); |
4021 | |
3949 | |
4022 | case OP_ATAN: |
3950 | case OP_ATAN: |
4023 | x = car (SCHEME_V->args); |
|
|
4024 | |
|
|
4025 | if (cdr (SCHEME_V->args) == NIL) |
3951 | if (cdr (args) == NIL) |
4026 | s_return (mk_real (SCHEME_A_ atan (rvalue (x)))); |
3952 | s_return (mk_real (SCHEME_A_ atan (rvalue (x)))); |
4027 | else |
3953 | else |
4028 | { |
3954 | { |
4029 | pointer y = cadr (SCHEME_V->args); |
3955 | pointer y = cadr (args); |
4030 | |
|
|
4031 | s_return (mk_real (SCHEME_A_ atan2 (rvalue (x), rvalue (y)))); |
3956 | s_return (mk_real (SCHEME_A_ atan2 (rvalue (x), rvalue (y)))); |
4032 | } |
3957 | } |
4033 | |
3958 | |
4034 | case OP_SQRT: |
3959 | case OP_SQRT: |
4035 | x = car (SCHEME_V->args); |
|
|
4036 | s_return (mk_real (SCHEME_A_ sqrt (rvalue (x)))); |
3960 | s_return (mk_real (SCHEME_A_ sqrt (rvalue (x)))); |
4037 | |
3961 | |
4038 | case OP_EXPT: |
3962 | case OP_EXPT: |
4039 | { |
3963 | { |
4040 | RVALUE result; |
3964 | RVALUE result; |
4041 | int real_result = 1; |
3965 | int real_result = 1; |
4042 | pointer y = cadr (SCHEME_V->args); |
3966 | pointer y = cadr (args); |
4043 | |
|
|
4044 | x = car (SCHEME_V->args); |
|
|
4045 | |
3967 | |
4046 | if (num_is_integer (x) && num_is_integer (y)) |
3968 | if (num_is_integer (x) && num_is_integer (y)) |
4047 | real_result = 0; |
3969 | real_result = 0; |
4048 | |
3970 | |
4049 | /* This 'if' is an R5RS compatibility fix. */ |
3971 | /* This 'if' is an R5RS compatibility fix. */ |
4050 | /* NOTE: Remove this 'if' fix for R6RS. */ |
3972 | /* NOTE: Remove this 'if' fix for R6RS. */ |
4051 | if (rvalue (x) == 0 && rvalue (y) < 0) |
3973 | if (rvalue (x) == 0 && rvalue (y) < 0) |
4052 | result = 0.0; |
3974 | result = 0; |
4053 | else |
3975 | else |
4054 | result = pow (rvalue (x), rvalue (y)); |
3976 | result = pow (rvalue (x), rvalue (y)); |
4055 | |
3977 | |
4056 | /* Before returning integer result make sure we can. */ |
3978 | /* Before returning integer result make sure we can. */ |
4057 | /* If the test fails, result is too big for integer. */ |
3979 | /* If the test fails, result is too big for integer. */ |
4058 | if (!real_result) |
3980 | if (!real_result) |
4059 | { |
3981 | { |
4060 | long result_as_long = (long) result; |
3982 | long result_as_long = result; |
4061 | |
3983 | |
4062 | if (result != (RVALUE) result_as_long) |
3984 | if (result != (RVALUE) result_as_long) |
4063 | real_result = 1; |
3985 | real_result = 1; |
4064 | } |
3986 | } |
4065 | |
3987 | |
… | |
… | |
4067 | s_return (mk_real (SCHEME_A_ result)); |
3989 | s_return (mk_real (SCHEME_A_ result)); |
4068 | else |
3990 | else |
4069 | s_return (mk_integer (SCHEME_A_ result)); |
3991 | s_return (mk_integer (SCHEME_A_ result)); |
4070 | } |
3992 | } |
4071 | |
3993 | |
4072 | case OP_FLOOR: |
|
|
4073 | x = car (SCHEME_V->args); |
|
|
4074 | s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
3994 | 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)))); |
3995 | case OP_CEILING: s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
4079 | |
3996 | |
4080 | case OP_TRUNCATE: |
3997 | case OP_TRUNCATE: |
4081 | { |
3998 | { |
4082 | RVALUE rvalue_of_x; |
3999 | RVALUE rvalue_of_x; |
4083 | |
4000 | |
4084 | x = car (SCHEME_V->args); |
|
|
4085 | rvalue_of_x = rvalue (x); |
4001 | rvalue_of_x = rvalue (x); |
4086 | |
4002 | |
4087 | if (rvalue_of_x > 0) |
4003 | if (rvalue_of_x > 0) |
4088 | s_return (mk_real (SCHEME_A_ floor (rvalue_of_x))); |
4004 | s_return (mk_real (SCHEME_A_ floor (rvalue_of_x))); |
4089 | else |
4005 | else |
4090 | s_return (mk_real (SCHEME_A_ ceil (rvalue_of_x))); |
4006 | s_return (mk_real (SCHEME_A_ ceil (rvalue_of_x))); |
4091 | } |
4007 | } |
4092 | |
4008 | |
4093 | case OP_ROUND: |
4009 | case OP_ROUND: |
4094 | x = car (SCHEME_V->args); |
|
|
4095 | |
|
|
4096 | if (num_is_integer (x)) |
4010 | if (num_is_integer (x)) |
4097 | s_return (x); |
4011 | s_return (x); |
4098 | |
4012 | |
4099 | s_return (mk_real (SCHEME_A_ round_per_R5RS (rvalue (x)))); |
4013 | s_return (mk_real (SCHEME_A_ round_per_R5RS (rvalue (x)))); |
4100 | #endif |
4014 | #endif |
4101 | |
4015 | |
4102 | case OP_ADD: /* + */ |
4016 | case OP_ADD: /* + */ |
4103 | v = num_zero; |
4017 | v = num_zero; |
4104 | |
4018 | |
4105 | for (x = SCHEME_V->args; x != NIL; x = cdr (x)) |
4019 | for (x = args; x != NIL; x = cdr (x)) |
4106 | v = num_add (v, nvalue (car (x))); |
4020 | v = num_op (NUM_ADD, v, nvalue (car (x))); |
4107 | |
4021 | |
4108 | s_return (mk_number (SCHEME_A_ v)); |
4022 | s_return (mk_number (SCHEME_A_ v)); |
4109 | |
4023 | |
4110 | case OP_MUL: /* * */ |
4024 | case OP_MUL: /* * */ |
4111 | v = num_one; |
4025 | v = num_one; |
4112 | |
4026 | |
4113 | for (x = SCHEME_V->args; x != NIL; x = cdr (x)) |
4027 | for (x = args; x != NIL; x = cdr (x)) |
4114 | v = num_mul (v, nvalue (car (x))); |
4028 | v = num_op (NUM_MUL, v, nvalue (car (x))); |
4115 | |
4029 | |
4116 | s_return (mk_number (SCHEME_A_ v)); |
4030 | s_return (mk_number (SCHEME_A_ v)); |
4117 | |
4031 | |
4118 | case OP_SUB: /* - */ |
4032 | case OP_SUB: /* - */ |
4119 | if (cdr (SCHEME_V->args) == NIL) |
4033 | if (cdr (args) == NIL) |
4120 | { |
4034 | { |
4121 | x = SCHEME_V->args; |
4035 | x = args; |
4122 | v = num_zero; |
4036 | v = num_zero; |
4123 | } |
4037 | } |
4124 | else |
4038 | else |
4125 | { |
4039 | { |
4126 | x = cdr (SCHEME_V->args); |
4040 | x = cdr (args); |
4127 | v = nvalue (car (SCHEME_V->args)); |
4041 | v = nvalue (car (args)); |
4128 | } |
4042 | } |
4129 | |
4043 | |
4130 | for (; x != NIL; x = cdr (x)) |
4044 | for (; x != NIL; x = cdr (x)) |
4131 | v = num_sub (v, nvalue (car (x))); |
4045 | v = num_op (NUM_SUB, v, nvalue (car (x))); |
4132 | |
4046 | |
4133 | s_return (mk_number (SCHEME_A_ v)); |
4047 | s_return (mk_number (SCHEME_A_ v)); |
4134 | |
4048 | |
4135 | case OP_DIV: /* / */ |
4049 | case OP_DIV: /* / */ |
4136 | if (cdr (SCHEME_V->args) == NIL) |
4050 | if (cdr (args) == NIL) |
4137 | { |
4051 | { |
4138 | x = SCHEME_V->args; |
4052 | x = args; |
4139 | v = num_one; |
4053 | v = num_one; |
4140 | } |
4054 | } |
4141 | else |
4055 | else |
4142 | { |
4056 | { |
4143 | x = cdr (SCHEME_V->args); |
4057 | x = cdr (args); |
4144 | v = nvalue (car (SCHEME_V->args)); |
4058 | v = nvalue (car (args)); |
4145 | } |
4059 | } |
4146 | |
4060 | |
4147 | for (; x != NIL; x = cdr (x)) |
4061 | for (; x != NIL; x = cdr (x)) |
4148 | { |
|
|
4149 | if (!is_zero_rvalue (rvalue (car (x)))) |
4062 | if (!is_zero_rvalue (rvalue (car (x)))) |
4150 | v = num_div (v, nvalue (car (x))); |
4063 | v = num_div (v, nvalue (car (x))); |
4151 | else |
4064 | else |
4152 | Error_0 ("/: division by zero"); |
4065 | Error_0 ("/: division by zero"); |
4153 | } |
|
|
4154 | |
4066 | |
4155 | s_return (mk_number (SCHEME_A_ v)); |
4067 | s_return (mk_number (SCHEME_A_ v)); |
4156 | |
4068 | |
4157 | case OP_INTDIV: /* quotient */ |
4069 | case OP_INTDIV: /* quotient */ |
4158 | if (cdr (SCHEME_V->args) == NIL) |
4070 | if (cdr (args) == NIL) |
4159 | { |
4071 | { |
4160 | x = SCHEME_V->args; |
4072 | x = args; |
4161 | v = num_one; |
4073 | v = num_one; |
4162 | } |
4074 | } |
4163 | else |
4075 | else |
4164 | { |
4076 | { |
4165 | x = cdr (SCHEME_V->args); |
4077 | x = cdr (args); |
4166 | v = nvalue (car (SCHEME_V->args)); |
4078 | v = nvalue (car (args)); |
4167 | } |
4079 | } |
4168 | |
4080 | |
4169 | for (; x != NIL; x = cdr (x)) |
4081 | for (; x != NIL; x = cdr (x)) |
4170 | { |
4082 | { |
4171 | if (ivalue (car (x)) != 0) |
4083 | if (ivalue (car (x)) != 0) |
4172 | v = num_intdiv (v, nvalue (car (x))); |
4084 | v = num_op (NUM_INTDIV, v, nvalue (car (x))); |
4173 | else |
4085 | else |
4174 | Error_0 ("quotient: division by zero"); |
4086 | Error_0 ("quotient: division by zero"); |
4175 | } |
4087 | } |
4176 | |
4088 | |
4177 | s_return (mk_number (SCHEME_A_ v)); |
4089 | s_return (mk_number (SCHEME_A_ v)); |
4178 | |
4090 | |
4179 | case OP_REM: /* remainder */ |
4091 | case OP_REM: /* remainder */ |
4180 | v = nvalue (car (SCHEME_V->args)); |
4092 | v = nvalue (x); |
4181 | |
4093 | |
4182 | if (ivalue (cadr (SCHEME_V->args)) != 0) |
4094 | if (ivalue (cadr (args)) != 0) |
4183 | v = num_rem (v, nvalue (cadr (SCHEME_V->args))); |
4095 | v = num_rem (v, nvalue (cadr (args))); |
4184 | else |
4096 | else |
4185 | Error_0 ("remainder: division by zero"); |
4097 | Error_0 ("remainder: division by zero"); |
4186 | |
4098 | |
4187 | s_return (mk_number (SCHEME_A_ v)); |
4099 | s_return (mk_number (SCHEME_A_ v)); |
4188 | |
4100 | |
4189 | case OP_MOD: /* modulo */ |
4101 | case OP_MOD: /* modulo */ |
4190 | v = nvalue (car (SCHEME_V->args)); |
4102 | v = nvalue (x); |
4191 | |
4103 | |
4192 | if (ivalue (cadr (SCHEME_V->args)) != 0) |
4104 | if (ivalue (cadr (args)) != 0) |
4193 | v = num_mod (v, nvalue (cadr (SCHEME_V->args))); |
4105 | v = num_mod (v, nvalue (cadr (args))); |
4194 | else |
4106 | else |
4195 | Error_0 ("modulo: division by zero"); |
4107 | Error_0 ("modulo: division by zero"); |
4196 | |
4108 | |
4197 | s_return (mk_number (SCHEME_A_ v)); |
4109 | s_return (mk_number (SCHEME_A_ v)); |
4198 | |
4110 | |
4199 | case OP_CAR: /* car */ |
4111 | case OP_CAR: /* car */ |
4200 | s_return (caar (SCHEME_V->args)); |
4112 | s_return (caar (args)); |
4201 | |
4113 | |
4202 | case OP_CDR: /* cdr */ |
4114 | case OP_CDR: /* cdr */ |
4203 | s_return (cdar (SCHEME_V->args)); |
4115 | s_return (cdar (args)); |
4204 | |
4116 | |
4205 | case OP_CONS: /* cons */ |
4117 | case OP_CONS: /* cons */ |
4206 | set_cdr (SCHEME_V->args, cadr (SCHEME_V->args)); |
4118 | set_cdr (args, cadr (args)); |
4207 | s_return (SCHEME_V->args); |
4119 | s_return (args); |
4208 | |
4120 | |
4209 | case OP_SETCAR: /* set-car! */ |
4121 | case OP_SETCAR: /* set-car! */ |
4210 | if (!is_immutable (car (SCHEME_V->args))) |
4122 | if (!is_immutable (x)) |
4211 | { |
4123 | { |
4212 | set_car (car (SCHEME_V->args), cadr (SCHEME_V->args)); |
4124 | set_car (x, cadr (args)); |
4213 | s_return (car (SCHEME_V->args)); |
4125 | s_return (car (args)); |
4214 | } |
4126 | } |
4215 | else |
4127 | else |
4216 | Error_0 ("set-car!: unable to alter immutable pair"); |
4128 | Error_0 ("set-car!: unable to alter immutable pair"); |
4217 | |
4129 | |
4218 | case OP_SETCDR: /* set-cdr! */ |
4130 | case OP_SETCDR: /* set-cdr! */ |
4219 | if (!is_immutable (car (SCHEME_V->args))) |
4131 | if (!is_immutable (x)) |
4220 | { |
4132 | { |
4221 | set_cdr (car (SCHEME_V->args), cadr (SCHEME_V->args)); |
4133 | set_cdr (x, cadr (args)); |
4222 | s_return (car (SCHEME_V->args)); |
4134 | s_return (car (args)); |
4223 | } |
4135 | } |
4224 | else |
4136 | else |
4225 | Error_0 ("set-cdr!: unable to alter immutable pair"); |
4137 | Error_0 ("set-cdr!: unable to alter immutable pair"); |
4226 | |
4138 | |
4227 | case OP_CHAR2INT: /* char->integer */ |
4139 | case OP_CHAR2INT: /* char->integer */ |
4228 | s_return (mk_integer (SCHEME_A_ ivalue (car (SCHEME_V->args)))); |
4140 | s_return (mk_integer (SCHEME_A_ ivalue (x))); |
4229 | |
4141 | |
4230 | case OP_INT2CHAR: /* integer->char */ |
4142 | case OP_INT2CHAR: /* integer->char */ |
4231 | s_return (mk_character (SCHEME_A_ ivalue (car (SCHEME_V->args)))); |
4143 | s_return (mk_character (SCHEME_A_ ivalue (x))); |
4232 | |
4144 | |
4233 | case OP_CHARUPCASE: |
4145 | case OP_CHARUPCASE: |
4234 | { |
4146 | { |
4235 | unsigned char c = ivalue (car (SCHEME_V->args)); |
4147 | unsigned char c = ivalue (x); |
4236 | c = toupper (c); |
4148 | c = toupper (c); |
4237 | s_return (mk_character (SCHEME_A_ c)); |
4149 | s_return (mk_character (SCHEME_A_ c)); |
4238 | } |
4150 | } |
4239 | |
4151 | |
4240 | case OP_CHARDNCASE: |
4152 | case OP_CHARDNCASE: |
4241 | { |
4153 | { |
4242 | unsigned char c = ivalue (car (SCHEME_V->args)); |
4154 | unsigned char c = ivalue (x); |
4243 | c = tolower (c); |
4155 | c = tolower (c); |
4244 | s_return (mk_character (SCHEME_A_ c)); |
4156 | s_return (mk_character (SCHEME_A_ c)); |
4245 | } |
4157 | } |
4246 | |
4158 | |
4247 | case OP_STR2SYM: /* string->symbol */ |
4159 | case OP_STR2SYM: /* string->symbol */ |
4248 | s_return (mk_symbol (SCHEME_A_ strvalue (car (SCHEME_V->args)))); |
4160 | s_return (mk_symbol (SCHEME_A_ strvalue (x))); |
4249 | |
4161 | |
4250 | case OP_STR2ATOM: /* string->atom */ |
4162 | case OP_STR2ATOM: /* string->atom */ |
4251 | { |
4163 | { |
4252 | char *s = strvalue (car (SCHEME_V->args)); |
4164 | char *s = strvalue (x); |
4253 | long pf = 0; |
4165 | long pf = 0; |
4254 | |
4166 | |
4255 | if (cdr (SCHEME_V->args) != NIL) |
4167 | if (cdr (args) != NIL) |
4256 | { |
4168 | { |
4257 | /* we know cadr(SCHEME_V->args) is a natural number */ |
4169 | /* we know cadr(args) is a natural number */ |
4258 | /* see if it is 2, 8, 10, or 16, or error */ |
4170 | /* see if it is 2, 8, 10, or 16, or error */ |
4259 | pf = ivalue_unchecked (cadr (SCHEME_V->args)); |
4171 | pf = ivalue_unchecked (cadr (args)); |
4260 | |
4172 | |
4261 | if (pf == 16 || pf == 10 || pf == 8 || pf == 2) |
4173 | if (pf == 16 || pf == 10 || pf == 8 || pf == 2) |
4262 | { |
4174 | { |
4263 | /* base is OK */ |
4175 | /* base is OK */ |
4264 | } |
4176 | } |
4265 | else |
4177 | else |
4266 | pf = -1; |
4178 | pf = -1; |
4267 | } |
4179 | } |
4268 | |
4180 | |
4269 | if (pf < 0) |
4181 | if (pf < 0) |
4270 | Error_1 ("string->atom: bad base:", cadr (SCHEME_V->args)); |
4182 | Error_1 ("string->atom: bad base:", cadr (args)); |
4271 | else if (*s == '#') /* no use of base! */ |
4183 | else if (*s == '#') /* no use of base! */ |
4272 | s_return (mk_sharp_const (SCHEME_A_ s + 1)); |
4184 | s_return (mk_sharp_const (SCHEME_A_ s + 1)); |
4273 | else |
4185 | else |
4274 | { |
4186 | { |
4275 | if (pf == 0 || pf == 10) |
4187 | if (pf == 0 || pf == 10) |
… | |
… | |
4286 | } |
4198 | } |
4287 | } |
4199 | } |
4288 | } |
4200 | } |
4289 | |
4201 | |
4290 | case OP_SYM2STR: /* symbol->string */ |
4202 | case OP_SYM2STR: /* symbol->string */ |
4291 | x = mk_string (SCHEME_A_ symname (car (SCHEME_V->args))); |
4203 | x = mk_string (SCHEME_A_ symname (x)); |
4292 | setimmutable (x); |
4204 | setimmutable (x); |
4293 | s_return (x); |
4205 | s_return (x); |
4294 | |
4206 | |
4295 | case OP_ATOM2STR: /* atom->string */ |
4207 | case OP_ATOM2STR: /* atom->string */ |
4296 | { |
4208 | { |
4297 | long pf = 0; |
4209 | long pf = 0; |
4298 | |
4210 | |
4299 | x = car (SCHEME_V->args); |
|
|
4300 | |
|
|
4301 | if (cdr (SCHEME_V->args) != NIL) |
4211 | if (cdr (args) != NIL) |
4302 | { |
4212 | { |
4303 | /* we know cadr(SCHEME_V->args) is a natural number */ |
4213 | /* we know cadr(args) is a natural number */ |
4304 | /* see if it is 2, 8, 10, or 16, or error */ |
4214 | /* see if it is 2, 8, 10, or 16, or error */ |
4305 | pf = ivalue_unchecked (cadr (SCHEME_V->args)); |
4215 | pf = ivalue_unchecked (cadr (args)); |
4306 | |
4216 | |
4307 | if (is_number (x) && (pf == 16 || pf == 10 || pf == 8 || pf == 2)) |
4217 | if (is_number (x) && (pf == 16 || pf == 10 || pf == 8 || pf == 2)) |
4308 | { |
4218 | { |
4309 | /* base is OK */ |
4219 | /* base is OK */ |
4310 | } |
4220 | } |
4311 | else |
4221 | else |
4312 | pf = -1; |
4222 | pf = -1; |
4313 | } |
4223 | } |
4314 | |
4224 | |
4315 | if (pf < 0) |
4225 | if (pf < 0) |
4316 | Error_1 ("atom->string: bad base:", cadr (SCHEME_V->args)); |
4226 | Error_1 ("atom->string: bad base:", cadr (args)); |
4317 | else if (is_number (x) || is_character (x) || is_string (x) || is_symbol (x)) |
4227 | else if (is_number (x) || is_character (x) || is_string (x) || is_symbol (x)) |
4318 | { |
4228 | { |
4319 | char *p; |
4229 | char *p; |
4320 | int len; |
4230 | int len; |
4321 | |
4231 | |
… | |
… | |
4329 | case OP_MKSTRING: /* make-string */ |
4239 | case OP_MKSTRING: /* make-string */ |
4330 | { |
4240 | { |
4331 | int fill = ' '; |
4241 | int fill = ' '; |
4332 | int len; |
4242 | int len; |
4333 | |
4243 | |
4334 | len = ivalue (car (SCHEME_V->args)); |
4244 | len = ivalue (x); |
4335 | |
4245 | |
4336 | if (cdr (SCHEME_V->args) != NIL) |
4246 | if (cdr (args) != NIL) |
4337 | fill = charvalue (cadr (SCHEME_V->args)); |
4247 | fill = charvalue (cadr (args)); |
4338 | |
4248 | |
4339 | s_return (mk_empty_string (SCHEME_A_ len, (char) fill)); |
4249 | s_return (mk_empty_string (SCHEME_A_ len, fill)); |
4340 | } |
4250 | } |
4341 | |
4251 | |
4342 | case OP_STRLEN: /* string-length */ |
4252 | case OP_STRLEN: /* string-length */ |
4343 | s_return (mk_integer (SCHEME_A_ strlength (car (SCHEME_V->args)))); |
4253 | s_return (mk_integer (SCHEME_A_ strlength (x))); |
4344 | |
4254 | |
4345 | case OP_STRREF: /* string-ref */ |
4255 | case OP_STRREF: /* string-ref */ |
4346 | { |
4256 | { |
4347 | char *str; |
4257 | char *str; |
4348 | int index; |
4258 | int index; |
4349 | |
4259 | |
4350 | str = strvalue (car (SCHEME_V->args)); |
4260 | str = strvalue (x); |
4351 | |
4261 | |
4352 | index = ivalue (cadr (SCHEME_V->args)); |
4262 | index = ivalue (cadr (args)); |
4353 | |
4263 | |
4354 | if (index >= strlength (car (SCHEME_V->args))) |
4264 | if (index >= strlength (x)) |
4355 | Error_1 ("string-ref: out of bounds:", cadr (SCHEME_V->args)); |
4265 | Error_1 ("string-ref: out of bounds:", cadr (args)); |
4356 | |
4266 | |
4357 | s_return (mk_character (SCHEME_A_ ((unsigned char *) str)[index])); |
4267 | s_return (mk_character (SCHEME_A_ ((unsigned char *)str)[index])); |
4358 | } |
4268 | } |
4359 | |
4269 | |
4360 | case OP_STRSET: /* string-set! */ |
4270 | case OP_STRSET: /* string-set! */ |
4361 | { |
4271 | { |
4362 | char *str; |
4272 | char *str; |
4363 | int index; |
4273 | int index; |
4364 | int c; |
4274 | int c; |
4365 | |
4275 | |
4366 | if (is_immutable (car (SCHEME_V->args))) |
4276 | if (is_immutable (x)) |
4367 | Error_1 ("string-set!: unable to alter immutable string:", car (SCHEME_V->args)); |
4277 | Error_1 ("string-set!: unable to alter immutable string:", x); |
4368 | |
4278 | |
4369 | str = strvalue (car (SCHEME_V->args)); |
4279 | str = strvalue (x); |
4370 | |
4280 | |
4371 | index = ivalue (cadr (SCHEME_V->args)); |
4281 | index = ivalue (cadr (args)); |
4372 | |
4282 | |
4373 | if (index >= strlength (car (SCHEME_V->args))) |
4283 | if (index >= strlength (x)) |
4374 | Error_1 ("string-set!: out of bounds:", cadr (SCHEME_V->args)); |
4284 | Error_1 ("string-set!: out of bounds:", cadr (args)); |
4375 | |
4285 | |
4376 | c = charvalue (caddr (SCHEME_V->args)); |
4286 | c = charvalue (caddr (args)); |
4377 | |
4287 | |
4378 | str[index] = (char) c; |
4288 | str[index] = c; |
4379 | s_return (car (SCHEME_V->args)); |
4289 | s_return (car (args)); |
4380 | } |
4290 | } |
4381 | |
4291 | |
4382 | case OP_STRAPPEND: /* string-append */ |
4292 | case OP_STRAPPEND: /* string-append */ |
4383 | { |
4293 | { |
4384 | /* in 1.29 string-append was in Scheme in init.scm but was too slow */ |
4294 | /* in 1.29 string-append was in Scheme in init.scm but was too slow */ |
4385 | int len = 0; |
4295 | int len = 0; |
4386 | pointer newstr; |
4296 | pointer newstr; |
4387 | char *pos; |
4297 | char *pos; |
4388 | |
4298 | |
4389 | /* compute needed length for new string */ |
4299 | /* compute needed length for new string */ |
4390 | for (x = SCHEME_V->args; x != NIL; x = cdr (x)) |
4300 | for (x = args; x != NIL; x = cdr (x)) |
4391 | len += strlength (car (x)); |
4301 | len += strlength (car (x)); |
4392 | |
4302 | |
4393 | newstr = mk_empty_string (SCHEME_A_ len, ' '); |
4303 | newstr = mk_empty_string (SCHEME_A_ len, ' '); |
4394 | |
4304 | |
4395 | /* store the contents of the argument strings into the new string */ |
4305 | /* 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)) |
4306 | for (pos = strvalue (newstr), x = args; x != NIL; pos += strlength (car (x)), x = cdr (x)) |
4397 | memcpy (pos, strvalue (car (x)), strlength (car (x))); |
4307 | memcpy (pos, strvalue (car (x)), strlength (car (x))); |
4398 | |
4308 | |
4399 | s_return (newstr); |
4309 | s_return (newstr); |
4400 | } |
4310 | } |
4401 | |
4311 | |
… | |
… | |
4404 | char *str; |
4314 | char *str; |
4405 | int index0; |
4315 | int index0; |
4406 | int index1; |
4316 | int index1; |
4407 | int len; |
4317 | int len; |
4408 | |
4318 | |
4409 | str = strvalue (car (SCHEME_V->args)); |
4319 | str = strvalue (x); |
4410 | |
4320 | |
4411 | index0 = ivalue (cadr (SCHEME_V->args)); |
4321 | index0 = ivalue (cadr (args)); |
4412 | |
4322 | |
4413 | if (index0 > strlength (car (SCHEME_V->args))) |
4323 | if (index0 > strlength (x)) |
4414 | Error_1 ("substring: start out of bounds:", cadr (SCHEME_V->args)); |
4324 | Error_1 ("substring: start out of bounds:", cadr (args)); |
4415 | |
4325 | |
4416 | if (cddr (SCHEME_V->args) != NIL) |
4326 | if (cddr (args) != NIL) |
4417 | { |
4327 | { |
4418 | index1 = ivalue (caddr (SCHEME_V->args)); |
4328 | index1 = ivalue (caddr (args)); |
4419 | |
4329 | |
4420 | if (index1 > strlength (car (SCHEME_V->args)) || index1 < index0) |
4330 | if (index1 > strlength (x) || index1 < index0) |
4421 | Error_1 ("substring: end out of bounds:", caddr (SCHEME_V->args)); |
4331 | Error_1 ("substring: end out of bounds:", caddr (args)); |
4422 | } |
4332 | } |
4423 | else |
4333 | else |
4424 | index1 = strlength (car (SCHEME_V->args)); |
4334 | index1 = strlength (x); |
4425 | |
4335 | |
4426 | len = index1 - index0; |
4336 | len = index1 - index0; |
4427 | x = mk_empty_string (SCHEME_A_ len, ' '); |
4337 | x = mk_empty_string (SCHEME_A_ len, ' '); |
4428 | memcpy (strvalue (x), str + index0, len); |
4338 | memcpy (strvalue (x), str + index0, len); |
4429 | strvalue (x)[len] = 0; |
4339 | strvalue (x)[len] = 0; |
… | |
… | |
4433 | |
4343 | |
4434 | case OP_VECTOR: /* vector */ |
4344 | case OP_VECTOR: /* vector */ |
4435 | { |
4345 | { |
4436 | int i; |
4346 | int i; |
4437 | pointer vec; |
4347 | pointer vec; |
4438 | int len = list_length (SCHEME_A_ SCHEME_V->args); |
4348 | int len = list_length (SCHEME_A_ args); |
4439 | |
4349 | |
4440 | if (len < 0) |
4350 | if (len < 0) |
4441 | Error_1 ("vector: not a proper list:", SCHEME_V->args); |
4351 | Error_1 ("vector: not a proper list:", args); |
4442 | |
4352 | |
4443 | vec = mk_vector (SCHEME_A_ len); |
4353 | vec = mk_vector (SCHEME_A_ len); |
4444 | |
4354 | |
4445 | #if USE_ERROR_CHECKING |
4355 | #if USE_ERROR_CHECKING |
4446 | if (SCHEME_V->no_memory) |
4356 | if (SCHEME_V->no_memory) |
4447 | s_return (S_SINK); |
4357 | s_return (S_SINK); |
4448 | #endif |
4358 | #endif |
4449 | |
4359 | |
4450 | for (x = SCHEME_V->args, i = 0; is_pair (x); x = cdr (x), i++) |
4360 | for (x = args, i = 0; is_pair (x); x = cdr (x), i++) |
4451 | set_vector_elem (vec, i, car (x)); |
4361 | set_vector_elem (vec, i, car (x)); |
4452 | |
4362 | |
4453 | s_return (vec); |
4363 | s_return (vec); |
4454 | } |
4364 | } |
4455 | |
4365 | |
… | |
… | |
4457 | { |
4367 | { |
4458 | pointer fill = NIL; |
4368 | pointer fill = NIL; |
4459 | int len; |
4369 | int len; |
4460 | pointer vec; |
4370 | pointer vec; |
4461 | |
4371 | |
4462 | len = ivalue (car (SCHEME_V->args)); |
4372 | len = ivalue (x); |
4463 | |
4373 | |
4464 | if (cdr (SCHEME_V->args) != NIL) |
4374 | if (cdr (args) != NIL) |
4465 | fill = cadr (SCHEME_V->args); |
4375 | fill = cadr (args); |
4466 | |
4376 | |
4467 | vec = mk_vector (SCHEME_A_ len); |
4377 | vec = mk_vector (SCHEME_A_ len); |
4468 | |
4378 | |
4469 | #if USE_ERROR_CHECKING |
4379 | #if USE_ERROR_CHECKING |
4470 | if (SCHEME_V->no_memory) |
4380 | if (SCHEME_V->no_memory) |
… | |
… | |
4476 | |
4386 | |
4477 | s_return (vec); |
4387 | s_return (vec); |
4478 | } |
4388 | } |
4479 | |
4389 | |
4480 | case OP_VECLEN: /* vector-length */ |
4390 | case OP_VECLEN: /* vector-length */ |
4481 | s_return (mk_integer (SCHEME_A_ veclength (car (SCHEME_V->args)))); |
4391 | s_return (mk_integer (SCHEME_A_ veclength (x))); |
4482 | |
4392 | |
4483 | case OP_VECREF: /* vector-ref */ |
4393 | case OP_VECREF: /* vector-ref */ |
4484 | { |
4394 | { |
4485 | int index; |
4395 | int index; |
4486 | |
4396 | |
4487 | index = ivalue (cadr (SCHEME_V->args)); |
4397 | index = ivalue (cadr (args)); |
4488 | |
4398 | |
4489 | if (index >= veclength (car (SCHEME_V->args)) && USE_ERROR_CHECKING) |
4399 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4490 | Error_1 ("vector-ref: out of bounds:", cadr (SCHEME_V->args)); |
4400 | Error_1 ("vector-ref: out of bounds:", cadr (args)); |
4491 | |
4401 | |
4492 | s_return (vector_elem (car (SCHEME_V->args), index)); |
4402 | s_return (vector_elem (x, index)); |
4493 | } |
4403 | } |
4494 | |
4404 | |
4495 | case OP_VECSET: /* vector-set! */ |
4405 | case OP_VECSET: /* vector-set! */ |
4496 | { |
4406 | { |
4497 | int index; |
4407 | int index; |
4498 | |
4408 | |
4499 | if (is_immutable (car (SCHEME_V->args))) |
4409 | if (is_immutable (x)) |
4500 | Error_1 ("vector-set!: unable to alter immutable vector:", car (SCHEME_V->args)); |
4410 | Error_1 ("vector-set!: unable to alter immutable vector:", x); |
4501 | |
4411 | |
4502 | index = ivalue (cadr (SCHEME_V->args)); |
4412 | index = ivalue (cadr (args)); |
4503 | |
4413 | |
4504 | if (index >= veclength (car (SCHEME_V->args)) && USE_ERROR_CHECKING) |
4414 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4505 | Error_1 ("vector-set!: out of bounds:", cadr (SCHEME_V->args)); |
4415 | Error_1 ("vector-set!: out of bounds:", cadr (args)); |
4506 | |
4416 | |
4507 | set_vector_elem (car (SCHEME_V->args), index, caddr (SCHEME_V->args)); |
4417 | set_vector_elem (x, index, caddr (args)); |
4508 | s_return (car (SCHEME_V->args)); |
4418 | s_return (x); |
4509 | } |
4419 | } |
4510 | } |
4420 | } |
4511 | |
4421 | |
4512 | return S_T; |
4422 | abort (); |
4513 | } |
4423 | } |
4514 | |
4424 | |
4515 | INTERFACE int |
4425 | INTERFACE int |
4516 | is_list (SCHEME_P_ pointer a) |
4426 | is_list (SCHEME_P_ pointer a) |
4517 | { |
4427 | { |
… | |
… | |
4564 | return -1; |
4474 | return -1; |
4565 | } |
4475 | } |
4566 | } |
4476 | } |
4567 | } |
4477 | } |
4568 | |
4478 | |
4569 | static pointer |
4479 | static int |
|
|
4480 | opexe_2 (SCHEME_P_ enum scheme_opcodes op) |
|
|
4481 | { |
|
|
4482 | pointer x = SCHEME_V->args; |
|
|
4483 | |
|
|
4484 | for (;;) |
|
|
4485 | { |
|
|
4486 | num v = nvalue (car (x)); |
|
|
4487 | x = cdr (x); |
|
|
4488 | |
|
|
4489 | if (x == NIL) |
|
|
4490 | break; |
|
|
4491 | |
|
|
4492 | int r = num_cmp (v, nvalue (car (x))); |
|
|
4493 | |
|
|
4494 | switch (op) |
|
|
4495 | { |
|
|
4496 | case OP_NUMEQ: r = r == 0; break; |
|
|
4497 | case OP_LESS: r = r < 0; break; |
|
|
4498 | case OP_GRE: r = r > 0; break; |
|
|
4499 | case OP_LEQ: r = r <= 0; break; |
|
|
4500 | case OP_GEQ: r = r >= 0; break; |
|
|
4501 | } |
|
|
4502 | |
|
|
4503 | if (!r) |
|
|
4504 | s_return (S_F); |
|
|
4505 | } |
|
|
4506 | |
|
|
4507 | s_return (S_T); |
|
|
4508 | } |
|
|
4509 | |
|
|
4510 | static int |
4570 | opexe_3 (SCHEME_P_ enum scheme_opcodes op) |
4511 | opexe_3 (SCHEME_P_ enum scheme_opcodes op) |
4571 | { |
4512 | { |
4572 | pointer x; |
4513 | pointer args = SCHEME_V->args; |
4573 | num v; |
4514 | pointer a = car (args); |
4574 | int (*comp_func) (num, num); |
4515 | pointer d = cdr (args); |
|
|
4516 | int r; |
4575 | |
4517 | |
4576 | switch (op) |
4518 | switch (op) |
4577 | { |
4519 | { |
4578 | case OP_NOT: /* not */ |
4520 | case OP_NOT: /* not */ r = is_false (a) ; break; |
4579 | s_retbool (is_false (car (SCHEME_V->args))); |
4521 | case OP_BOOLP: /* boolean? */ r = a == S_F || a == S_T; break; |
|
|
4522 | case OP_EOFOBJP: /* eof-object? */ r = a == S_EOF ; break; |
|
|
4523 | case OP_NULLP: /* null? */ r = a == NIL ; break; |
|
|
4524 | case OP_SYMBOLP: /* symbol? */ r = is_symbol (a) ; break; |
|
|
4525 | case OP_NUMBERP: /* number? */ r = is_number (a) ; break; |
|
|
4526 | case OP_STRINGP: /* string? */ r = is_string (a) ; break; |
|
|
4527 | case OP_INTEGERP: /* integer? */ r = is_integer (a) ; break; |
|
|
4528 | case OP_REALP: /* real? */ r = is_number (a) ; break; /* all numbers are real */ |
|
|
4529 | case OP_CHARP: /* char? */ r = is_character (a) ; break; |
4580 | |
4530 | |
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 |
4531 | #if USE_CHAR_CLASSIFIERS |
4650 | |
|
|
4651 | case OP_CHARAP: /* char-alphabetic? */ |
4532 | case OP_CHARAP: /* char-alphabetic? */ r = Cisalpha (ivalue (a)); break; |
4652 | s_retbool (Cisalpha (ivalue (car (SCHEME_V->args)))); |
4533 | 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? */ |
4534 | 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? */ |
4535 | 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? */ |
4536 | case OP_CHARLP: /* char-lower-case? */ r = Cislower (ivalue (a)); break; |
4664 | s_retbool (Cislower (ivalue (car (SCHEME_V->args)))); |
|
|
4665 | #endif |
4537 | #endif |
|
|
4538 | |
4666 | #if USE_PORTS |
4539 | #if USE_PORTS |
4667 | |
4540 | 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? */ |
4541 | 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? */ |
4542 | case OP_OUTPORTP: /* output-port? */ r = is_outport (a); break; |
4675 | s_retbool (is_outport (car (SCHEME_V->args))); |
|
|
4676 | #endif |
4543 | #endif |
4677 | |
4544 | |
4678 | case OP_PROCP: /* procedure? */ |
4545 | case OP_PROCP: /* procedure? */ |
4679 | |
4546 | |
4680 | /*-- |
4547 | /*-- |
4681 | * continuation should be procedure by the example |
4548 | * continuation should be procedure by the example |
4682 | * (call-with-current-continuation procedure?) ==> #t |
4549 | * (call-with-current-continuation procedure?) ==> #t |
4683 | * in R^3 report sec. 6.9 |
4550 | * in R^3 report sec. 6.9 |
4684 | */ |
4551 | */ |
4685 | s_retbool (is_proc (car (SCHEME_V->args)) || is_closure (car (SCHEME_V->args)) |
4552 | 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))); |
4553 | break; |
4687 | |
4554 | |
4688 | case OP_PAIRP: /* pair? */ |
4555 | case OP_PAIRP: /* pair? */ r = is_pair (a) ; break; |
4689 | s_retbool (is_pair (car (SCHEME_V->args))); |
4556 | case OP_LISTP: /* list? */ r = list_length (SCHEME_A_ a) >= 0; break; |
4690 | |
4557 | case OP_ENVP: /* environment? */ r = is_environment (a) ; break; |
4691 | case OP_LISTP: /* list? */ |
4558 | case OP_VECTORP: /* vector? */ r = is_vector (a) ; break; |
4692 | s_retbool (list_length (SCHEME_A_ car (SCHEME_V->args)) >= 0); |
4559 | case OP_EQ: /* eq? */ r = a == cadr (args) ; break; |
4693 | |
4560 | 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 | } |
4561 | } |
4706 | |
4562 | |
4707 | return S_T; |
4563 | s_retbool (r); |
4708 | } |
4564 | } |
4709 | |
4565 | |
4710 | static pointer |
4566 | static int |
4711 | opexe_4 (SCHEME_P_ enum scheme_opcodes op) |
4567 | opexe_4 (SCHEME_P_ enum scheme_opcodes op) |
4712 | { |
4568 | { |
|
|
4569 | pointer args = SCHEME_V->args; |
|
|
4570 | pointer a = car (args); |
4713 | pointer x, y; |
4571 | pointer x, y; |
4714 | |
4572 | |
4715 | switch (op) |
4573 | switch (op) |
4716 | { |
4574 | { |
4717 | case OP_FORCE: /* force */ |
4575 | case OP_FORCE: /* force */ |
4718 | SCHEME_V->code = car (SCHEME_V->args); |
4576 | SCHEME_V->code = a; |
4719 | |
4577 | |
4720 | if (is_promise (SCHEME_V->code)) |
4578 | if (is_promise (SCHEME_V->code)) |
4721 | { |
4579 | { |
4722 | /* Should change type to closure here */ |
4580 | /* Should change type to closure here */ |
4723 | s_save (SCHEME_A_ OP_SAVE_FORCED, NIL, SCHEME_V->code); |
4581 | s_save (SCHEME_A_ OP_SAVE_FORCED, NIL, SCHEME_V->code); |
… | |
… | |
4744 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4602 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4745 | SCHEME_V->outport = cadr (SCHEME_V->args); |
4603 | SCHEME_V->outport = cadr (SCHEME_V->args); |
4746 | } |
4604 | } |
4747 | } |
4605 | } |
4748 | |
4606 | |
4749 | SCHEME_V->args = car (SCHEME_V->args); |
4607 | SCHEME_V->args = a; |
4750 | |
4608 | |
4751 | if (op == OP_WRITE) |
4609 | if (op == OP_WRITE) |
4752 | SCHEME_V->print_flag = 1; |
4610 | SCHEME_V->print_flag = 1; |
4753 | else |
4611 | else |
4754 | SCHEME_V->print_flag = 0; |
4612 | SCHEME_V->print_flag = 0; |
4755 | |
4613 | |
4756 | s_goto (OP_P0LIST); |
4614 | s_goto (OP_P0LIST); |
4757 | |
4615 | |
4758 | case OP_NEWLINE: /* newline */ |
4616 | case OP_NEWLINE: /* newline */ |
4759 | if (is_pair (SCHEME_V->args)) |
4617 | if (is_pair (args)) |
4760 | { |
4618 | { |
4761 | if (car (SCHEME_V->args) != SCHEME_V->outport) |
4619 | if (a != SCHEME_V->outport) |
4762 | { |
4620 | { |
4763 | x = cons (SCHEME_V->outport, NIL); |
4621 | x = cons (SCHEME_V->outport, NIL); |
4764 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4622 | s_save (SCHEME_A_ OP_SET_OUTPORT, x, NIL); |
4765 | SCHEME_V->outport = car (SCHEME_V->args); |
4623 | SCHEME_V->outport = a; |
4766 | } |
4624 | } |
4767 | } |
4625 | } |
4768 | |
4626 | |
4769 | putstr (SCHEME_A_ "\n"); |
4627 | putstr (SCHEME_A_ "\n"); |
4770 | s_return (S_T); |
4628 | s_return (S_T); |
4771 | #endif |
4629 | #endif |
4772 | |
4630 | |
4773 | case OP_ERR0: /* error */ |
4631 | case OP_ERR0: /* error */ |
4774 | SCHEME_V->retcode = -1; |
4632 | SCHEME_V->retcode = -1; |
4775 | |
4633 | |
4776 | if (!is_string (car (SCHEME_V->args))) |
4634 | if (!is_string (a)) |
4777 | { |
4635 | { |
4778 | SCHEME_V->args = cons (mk_string (SCHEME_A_ " -- "), SCHEME_V->args); |
4636 | args = cons (mk_string (SCHEME_A_ " -- "), args); |
4779 | setimmutable (car (SCHEME_V->args)); |
4637 | setimmutable (car (args)); |
4780 | } |
4638 | } |
4781 | |
4639 | |
4782 | putstr (SCHEME_A_ "Error: "); |
4640 | putstr (SCHEME_A_ "Error: "); |
4783 | putstr (SCHEME_A_ strvalue (car (SCHEME_V->args))); |
4641 | putstr (SCHEME_A_ strvalue (car (args))); |
4784 | SCHEME_V->args = cdr (SCHEME_V->args); |
4642 | SCHEME_V->args = cdr (args); |
4785 | s_goto (OP_ERR1); |
4643 | s_goto (OP_ERR1); |
4786 | |
4644 | |
4787 | case OP_ERR1: /* error */ |
4645 | case OP_ERR1: /* error */ |
4788 | putstr (SCHEME_A_ " "); |
4646 | putstr (SCHEME_A_ " "); |
4789 | |
4647 | |
4790 | if (SCHEME_V->args != NIL) |
4648 | if (args != NIL) |
4791 | { |
4649 | { |
4792 | s_save (SCHEME_A_ OP_ERR1, cdr (SCHEME_V->args), NIL); |
4650 | s_save (SCHEME_A_ OP_ERR1, cdr (args), NIL); |
4793 | SCHEME_V->args = car (SCHEME_V->args); |
4651 | SCHEME_V->args = a; |
4794 | SCHEME_V->print_flag = 1; |
4652 | SCHEME_V->print_flag = 1; |
4795 | s_goto (OP_P0LIST); |
4653 | s_goto (OP_P0LIST); |
4796 | } |
4654 | } |
4797 | else |
4655 | else |
4798 | { |
4656 | { |
4799 | putstr (SCHEME_A_ "\n"); |
4657 | putstr (SCHEME_A_ "\n"); |
4800 | |
4658 | |
4801 | if (SCHEME_V->interactive_repl) |
4659 | if (SCHEME_V->interactive_repl) |
4802 | s_goto (OP_T0LVL); |
4660 | s_goto (OP_T0LVL); |
4803 | else |
4661 | else |
4804 | return NIL; |
4662 | return -1; |
4805 | } |
4663 | } |
4806 | |
4664 | |
4807 | case OP_REVERSE: /* reverse */ |
4665 | case OP_REVERSE: /* reverse */ |
4808 | s_return (reverse (SCHEME_A_ car (SCHEME_V->args))); |
4666 | s_return (reverse (SCHEME_A_ a)); |
4809 | |
4667 | |
4810 | case OP_LIST_STAR: /* list* */ |
4668 | case OP_LIST_STAR: /* list* */ |
4811 | s_return (list_star (SCHEME_A_ SCHEME_V->args)); |
4669 | s_return (list_star (SCHEME_A_ SCHEME_V->args)); |
4812 | |
4670 | |
4813 | case OP_APPEND: /* append */ |
4671 | case OP_APPEND: /* append */ |
4814 | x = NIL; |
4672 | x = NIL; |
4815 | y = SCHEME_V->args; |
4673 | y = args; |
4816 | |
4674 | |
4817 | if (y == x) |
4675 | if (y == x) |
4818 | s_return (x); |
4676 | s_return (x); |
4819 | |
4677 | |
4820 | /* cdr() in the while condition is not a typo. If car() */ |
4678 | /* cdr() in the while condition is not a typo. If car() */ |
… | |
… | |
4831 | s_return (reverse_in_place (SCHEME_A_ car (y), x)); |
4689 | s_return (reverse_in_place (SCHEME_A_ car (y), x)); |
4832 | |
4690 | |
4833 | #if USE_PLIST |
4691 | #if USE_PLIST |
4834 | |
4692 | |
4835 | case OP_PUT: /* put */ |
4693 | case OP_PUT: /* put */ |
4836 | if (!hasprop (car (SCHEME_V->args)) || !hasprop (cadr (SCHEME_V->args))) |
4694 | if (!hasprop (a) || !hasprop (cadr (args))) |
4837 | Error_0 ("illegal use of put"); |
4695 | Error_0 ("illegal use of put"); |
4838 | |
4696 | |
4839 | for (x = symprop (car (SCHEME_V->args)), y = cadr (SCHEME_V->args); x != NIL; x = cdr (x)) |
4697 | for (x = symprop (a), y = cadr (args); x != NIL; x = cdr (x)) |
4840 | { |
4698 | { |
4841 | if (caar (x) == y) |
4699 | if (caar (x) == y) |
4842 | break; |
4700 | break; |
4843 | } |
4701 | } |
4844 | |
4702 | |
4845 | if (x != NIL) |
4703 | if (x != NIL) |
4846 | cdar (x) = caddr (SCHEME_V->args); |
4704 | cdar (x) = caddr (args); |
4847 | else |
4705 | else |
4848 | symprop (car (SCHEME_V->args)) = cons (cons (y, caddr (SCHEME_V->args)), symprop (car (SCHEME_V->args))); |
4706 | symprop (a) = cons (cons (y, caddr (args)), symprop (a)); |
4849 | |
4707 | |
4850 | s_return (S_T); |
4708 | s_return (S_T); |
4851 | |
4709 | |
4852 | case OP_GET: /* get */ |
4710 | case OP_GET: /* get */ |
4853 | if (!hasprop (car (SCHEME_V->args)) || !hasprop (cadr (SCHEME_V->args))) |
4711 | if (!hasprop (a) || !hasprop (cadr (args))) |
4854 | Error_0 ("illegal use of get"); |
4712 | Error_0 ("illegal use of get"); |
4855 | |
4713 | |
4856 | for (x = symprop (car (SCHEME_V->args)), y = cadr (SCHEME_V->args); x != NIL; x = cdr (x)) |
4714 | for (x = symprop (a), y = cadr (args); x != NIL; x = cdr (x)) |
4857 | if (caar (x) == y) |
4715 | if (caar (x) == y) |
4858 | break; |
4716 | break; |
4859 | |
4717 | |
4860 | if (x != NIL) |
4718 | if (x != NIL) |
4861 | s_return (cdar (x)); |
4719 | s_return (cdar (x)); |
… | |
… | |
4863 | s_return (NIL); |
4721 | s_return (NIL); |
4864 | |
4722 | |
4865 | #endif /* USE_PLIST */ |
4723 | #endif /* USE_PLIST */ |
4866 | |
4724 | |
4867 | case OP_QUIT: /* quit */ |
4725 | case OP_QUIT: /* quit */ |
4868 | if (is_pair (SCHEME_V->args)) |
4726 | if (is_pair (args)) |
4869 | SCHEME_V->retcode = ivalue (car (SCHEME_V->args)); |
4727 | SCHEME_V->retcode = ivalue (a); |
4870 | |
4728 | |
4871 | return NIL; |
4729 | return -1; |
4872 | |
4730 | |
4873 | case OP_GC: /* gc */ |
4731 | case OP_GC: /* gc */ |
4874 | gc (SCHEME_A_ NIL, NIL); |
4732 | gc (SCHEME_A_ NIL, NIL); |
4875 | s_return (S_T); |
4733 | s_return (S_T); |
4876 | |
4734 | |
4877 | case OP_GCVERB: /* gc-verbose */ |
4735 | case OP_GCVERB: /* gc-verbose */ |
4878 | { |
4736 | { |
4879 | int was = SCHEME_V->gc_verbose; |
4737 | int was = SCHEME_V->gc_verbose; |
4880 | |
4738 | |
4881 | SCHEME_V->gc_verbose = (car (SCHEME_V->args) != S_F); |
4739 | SCHEME_V->gc_verbose = (a != S_F); |
4882 | s_retbool (was); |
4740 | s_retbool (was); |
4883 | } |
4741 | } |
4884 | |
4742 | |
4885 | case OP_NEWSEGMENT: /* new-segment */ |
4743 | case OP_NEWSEGMENT: /* new-segment */ |
4886 | if (!is_pair (SCHEME_V->args) || !is_number (car (SCHEME_V->args))) |
4744 | if (!is_pair (args) || !is_number (a)) |
4887 | Error_0 ("new-segment: argument must be a number"); |
4745 | Error_0 ("new-segment: argument must be a number"); |
4888 | |
4746 | |
4889 | alloc_cellseg (SCHEME_A_ (int)ivalue (car (SCHEME_V->args))); |
4747 | alloc_cellseg (SCHEME_A_ (int)ivalue (a)); |
4890 | |
4748 | |
4891 | s_return (S_T); |
4749 | s_return (S_T); |
4892 | |
4750 | |
4893 | case OP_OBLIST: /* oblist */ |
4751 | case OP_OBLIST: /* oblist */ |
4894 | s_return (oblist_all_symbols (SCHEME_A)); |
4752 | s_return (oblist_all_symbols (SCHEME_A)); |
… | |
… | |
4921 | case OP_OPEN_INOUTFILE: |
4779 | case OP_OPEN_INOUTFILE: |
4922 | prop = port_input | port_output; |
4780 | prop = port_input | port_output; |
4923 | break; |
4781 | break; |
4924 | } |
4782 | } |
4925 | |
4783 | |
4926 | p = port_from_filename (SCHEME_A_ strvalue (car (SCHEME_V->args)), prop); |
4784 | p = port_from_filename (SCHEME_A_ strvalue (a), prop); |
4927 | |
4785 | |
4928 | if (p == NIL) |
4786 | s_return (p == NIL ? S_F : p); |
4929 | s_return (S_F); |
|
|
4930 | |
|
|
4931 | s_return (p); |
|
|
4932 | } |
4787 | } |
4933 | |
4788 | |
4934 | # if USE_STRING_PORTS |
4789 | # if USE_STRING_PORTS |
4935 | |
4790 | |
4936 | case OP_OPEN_INSTRING: /* open-input-string */ |
4791 | case OP_OPEN_INSTRING: /* open-input-string */ |
… | |
… | |
4948 | case OP_OPEN_INOUTSTRING: |
4803 | case OP_OPEN_INOUTSTRING: |
4949 | prop = port_input | port_output; |
4804 | prop = port_input | port_output; |
4950 | break; |
4805 | break; |
4951 | } |
4806 | } |
4952 | |
4807 | |
4953 | p = port_from_string (SCHEME_A_ strvalue (car (SCHEME_V->args)), |
4808 | p = port_from_string (SCHEME_A_ strvalue (a), |
4954 | strvalue (car (SCHEME_V->args)) + strlength (car (SCHEME_V->args)), prop); |
4809 | strvalue (a) + strlength (a), prop); |
4955 | |
4810 | |
4956 | if (p == NIL) |
4811 | s_return (p == NIL ? S_F : p); |
4957 | s_return (S_F); |
|
|
4958 | |
|
|
4959 | s_return (p); |
|
|
4960 | } |
4812 | } |
4961 | |
4813 | |
4962 | case OP_OPEN_OUTSTRING: /* open-output-string */ |
4814 | case OP_OPEN_OUTSTRING: /* open-output-string */ |
4963 | { |
4815 | { |
4964 | pointer p; |
4816 | pointer p; |
4965 | |
4817 | |
4966 | if (car (SCHEME_V->args) == NIL) |
4818 | if (a == NIL) |
4967 | { |
|
|
4968 | p = port_from_scratch (SCHEME_A); |
4819 | p = port_from_scratch (SCHEME_A); |
4969 | |
|
|
4970 | if (p == NIL) |
|
|
4971 | s_return (S_F); |
|
|
4972 | } |
|
|
4973 | else |
4820 | else |
4974 | { |
|
|
4975 | p = port_from_string (SCHEME_A_ strvalue (car (SCHEME_V->args)), |
4821 | p = port_from_string (SCHEME_A_ strvalue (a), |
4976 | strvalue (car (SCHEME_V->args)) + strlength (car (SCHEME_V->args)), port_output); |
4822 | strvalue (a) + strlength (a), port_output); |
4977 | |
4823 | |
4978 | if (p == NIL) |
4824 | s_return (p == NIL ? S_F : p); |
4979 | s_return (S_F); |
|
|
4980 | } |
|
|
4981 | |
|
|
4982 | s_return (p); |
|
|
4983 | } |
4825 | } |
4984 | |
4826 | |
4985 | case OP_GET_OUTSTRING: /* get-output-string */ |
4827 | case OP_GET_OUTSTRING: /* get-output-string */ |
4986 | { |
4828 | { |
4987 | port *p; |
4829 | port *p; |
4988 | |
4830 | |
4989 | if ((p = car (SCHEME_V->args)->object.port)->kind & port_string) |
4831 | if ((p = a->object.port)->kind & port_string) |
4990 | { |
4832 | { |
4991 | off_t size; |
4833 | off_t size; |
4992 | char *str; |
4834 | char *str; |
4993 | |
4835 | |
4994 | size = p->rep.string.curr - p->rep.string.start + 1; |
4836 | size = p->rep.string.curr - p->rep.string.start + 1; |
… | |
… | |
5010 | } |
4852 | } |
5011 | |
4853 | |
5012 | # endif |
4854 | # endif |
5013 | |
4855 | |
5014 | case OP_CLOSE_INPORT: /* close-input-port */ |
4856 | case OP_CLOSE_INPORT: /* close-input-port */ |
5015 | port_close (SCHEME_A_ car (SCHEME_V->args), port_input); |
4857 | port_close (SCHEME_A_ a, port_input); |
5016 | s_return (S_T); |
4858 | s_return (S_T); |
5017 | |
4859 | |
5018 | case OP_CLOSE_OUTPORT: /* close-output-port */ |
4860 | case OP_CLOSE_OUTPORT: /* close-output-port */ |
5019 | port_close (SCHEME_A_ car (SCHEME_V->args), port_output); |
4861 | port_close (SCHEME_A_ a, port_output); |
5020 | s_return (S_T); |
4862 | s_return (S_T); |
5021 | #endif |
4863 | #endif |
5022 | |
4864 | |
5023 | case OP_INT_ENV: /* interaction-environment */ |
4865 | case OP_INT_ENV: /* interaction-environment */ |
5024 | s_return (SCHEME_V->global_env); |
4866 | s_return (SCHEME_V->global_env); |
… | |
… | |
5026 | case OP_CURR_ENV: /* current-environment */ |
4868 | case OP_CURR_ENV: /* current-environment */ |
5027 | s_return (SCHEME_V->envir); |
4869 | s_return (SCHEME_V->envir); |
5028 | |
4870 | |
5029 | } |
4871 | } |
5030 | |
4872 | |
5031 | return S_T; |
4873 | abort (); |
5032 | } |
4874 | } |
5033 | |
4875 | |
5034 | static pointer |
4876 | static int |
5035 | opexe_5 (SCHEME_P_ enum scheme_opcodes op) |
4877 | opexe_5 (SCHEME_P_ enum scheme_opcodes op) |
5036 | { |
4878 | { |
|
|
4879 | pointer args = SCHEME_V->args; |
5037 | pointer x; |
4880 | pointer x; |
5038 | |
4881 | |
5039 | if (SCHEME_V->nesting != 0) |
4882 | if (SCHEME_V->nesting != 0) |
5040 | { |
4883 | { |
5041 | int n = SCHEME_V->nesting; |
4884 | int n = SCHEME_V->nesting; |
… | |
… | |
5048 | switch (op) |
4891 | switch (op) |
5049 | { |
4892 | { |
5050 | /* ========== reading part ========== */ |
4893 | /* ========== reading part ========== */ |
5051 | #if USE_PORTS |
4894 | #if USE_PORTS |
5052 | case OP_READ: |
4895 | case OP_READ: |
5053 | if (!is_pair (SCHEME_V->args)) |
4896 | if (!is_pair (args)) |
5054 | s_goto (OP_READ_INTERNAL); |
4897 | s_goto (OP_READ_INTERNAL); |
5055 | |
4898 | |
5056 | if (!is_inport (car (SCHEME_V->args))) |
4899 | if (!is_inport (car (args))) |
5057 | Error_1 ("read: not an input port:", car (SCHEME_V->args)); |
4900 | Error_1 ("read: not an input port:", car (args)); |
5058 | |
4901 | |
5059 | if (car (SCHEME_V->args) == SCHEME_V->inport) |
4902 | if (car (args) == SCHEME_V->inport) |
5060 | s_goto (OP_READ_INTERNAL); |
4903 | s_goto (OP_READ_INTERNAL); |
5061 | |
4904 | |
5062 | x = SCHEME_V->inport; |
4905 | x = SCHEME_V->inport; |
5063 | SCHEME_V->inport = car (SCHEME_V->args); |
4906 | SCHEME_V->inport = car (args); |
5064 | x = cons (x, NIL); |
4907 | x = cons (x, NIL); |
5065 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
4908 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
5066 | s_goto (OP_READ_INTERNAL); |
4909 | s_goto (OP_READ_INTERNAL); |
5067 | |
4910 | |
5068 | case OP_READ_CHAR: /* read-char */ |
4911 | case OP_READ_CHAR: /* read-char */ |
5069 | case OP_PEEK_CHAR: /* peek-char */ |
4912 | case OP_PEEK_CHAR: /* peek-char */ |
5070 | { |
4913 | { |
5071 | int c; |
4914 | int c; |
5072 | |
4915 | |
5073 | if (is_pair (SCHEME_V->args)) |
4916 | if (is_pair (args)) |
5074 | { |
4917 | { |
5075 | if (car (SCHEME_V->args) != SCHEME_V->inport) |
4918 | if (car (args) != SCHEME_V->inport) |
5076 | { |
4919 | { |
5077 | x = SCHEME_V->inport; |
4920 | x = SCHEME_V->inport; |
5078 | x = cons (x, NIL); |
4921 | x = cons (x, NIL); |
5079 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
4922 | s_save (SCHEME_A_ OP_SET_INPORT, x, NIL); |
5080 | SCHEME_V->inport = car (SCHEME_V->args); |
4923 | SCHEME_V->inport = car (args); |
5081 | } |
4924 | } |
5082 | } |
4925 | } |
5083 | |
4926 | |
5084 | c = inchar (SCHEME_A); |
4927 | c = inchar (SCHEME_A); |
5085 | |
4928 | |
… | |
… | |
5095 | case OP_CHAR_READY: /* char-ready? */ |
4938 | case OP_CHAR_READY: /* char-ready? */ |
5096 | { |
4939 | { |
5097 | pointer p = SCHEME_V->inport; |
4940 | pointer p = SCHEME_V->inport; |
5098 | int res; |
4941 | int res; |
5099 | |
4942 | |
5100 | if (is_pair (SCHEME_V->args)) |
4943 | if (is_pair (args)) |
5101 | p = car (SCHEME_V->args); |
4944 | p = car (args); |
5102 | |
4945 | |
5103 | res = p->object.port->kind & port_string; |
4946 | res = p->object.port->kind & port_string; |
5104 | |
4947 | |
5105 | s_retbool (res); |
4948 | s_retbool (res); |
5106 | } |
4949 | } |
5107 | |
4950 | |
5108 | case OP_SET_INPORT: /* set-input-port */ |
4951 | case OP_SET_INPORT: /* set-input-port */ |
5109 | SCHEME_V->inport = car (SCHEME_V->args); |
4952 | SCHEME_V->inport = car (args); |
5110 | s_return (SCHEME_V->value); |
4953 | s_return (SCHEME_V->value); |
5111 | |
4954 | |
5112 | case OP_SET_OUTPORT: /* set-output-port */ |
4955 | case OP_SET_OUTPORT: /* set-output-port */ |
5113 | SCHEME_V->outport = car (SCHEME_V->args); |
4956 | SCHEME_V->outport = car (args); |
5114 | s_return (SCHEME_V->value); |
4957 | s_return (SCHEME_V->value); |
5115 | #endif |
4958 | #endif |
5116 | |
4959 | |
5117 | case OP_RDSEXPR: |
4960 | case OP_RDSEXPR: |
5118 | switch (SCHEME_V->tok) |
4961 | switch (SCHEME_V->tok) |
… | |
… | |
5204 | } |
5047 | } |
5205 | |
5048 | |
5206 | break; |
5049 | break; |
5207 | |
5050 | |
5208 | case OP_RDLIST: |
5051 | case OP_RDLIST: |
5209 | SCHEME_V->args = cons (SCHEME_V->value, SCHEME_V->args); |
5052 | SCHEME_V->args = cons (SCHEME_V->value, args); |
5210 | SCHEME_V->tok = token (SCHEME_A); |
5053 | SCHEME_V->tok = token (SCHEME_A); |
5211 | |
5054 | |
5212 | switch (SCHEME_V->tok) |
5055 | switch (SCHEME_V->tok) |
5213 | { |
5056 | { |
5214 | case TOK_EOF: |
5057 | case TOK_EOF: |
… | |
… | |
5242 | case OP_RDDOT: |
5085 | case OP_RDDOT: |
5243 | if (token (SCHEME_A) != TOK_RPAREN) |
5086 | if (token (SCHEME_A) != TOK_RPAREN) |
5244 | Error_0 ("syntax error: illegal dot expression"); |
5087 | Error_0 ("syntax error: illegal dot expression"); |
5245 | |
5088 | |
5246 | SCHEME_V->nesting_stack[SCHEME_V->file_i]--; |
5089 | SCHEME_V->nesting_stack[SCHEME_V->file_i]--; |
5247 | s_return (reverse_in_place (SCHEME_A_ SCHEME_V->value, SCHEME_V->args)); |
5090 | s_return (reverse_in_place (SCHEME_A_ SCHEME_V->value, args)); |
5248 | |
5091 | |
5249 | case OP_RDQUOTE: |
5092 | case OP_RDQUOTE: |
5250 | s_return (cons (SCHEME_V->QUOTE, cons (SCHEME_V->value, NIL))); |
5093 | s_return (cons (SCHEME_V->QUOTE, cons (SCHEME_V->value, NIL))); |
5251 | |
5094 | |
5252 | case OP_RDQQUOTE: |
5095 | case OP_RDQQUOTE: |
… | |
… | |
5274 | SCHEME_V->args = SCHEME_V->value; |
5117 | SCHEME_V->args = SCHEME_V->value; |
5275 | s_goto (OP_VECTOR); |
5118 | s_goto (OP_VECTOR); |
5276 | |
5119 | |
5277 | /* ========== printing part ========== */ |
5120 | /* ========== printing part ========== */ |
5278 | case OP_P0LIST: |
5121 | case OP_P0LIST: |
5279 | if (is_vector (SCHEME_V->args)) |
5122 | if (is_vector (args)) |
5280 | { |
5123 | { |
5281 | putstr (SCHEME_A_ "#("); |
5124 | putstr (SCHEME_A_ "#("); |
5282 | SCHEME_V->args = cons (SCHEME_V->args, mk_integer (SCHEME_A_ 0)); |
5125 | SCHEME_V->args = cons (args, mk_integer (SCHEME_A_ 0)); |
5283 | s_goto (OP_PVECFROM); |
5126 | s_goto (OP_PVECFROM); |
5284 | } |
5127 | } |
5285 | else if (is_environment (SCHEME_V->args)) |
5128 | else if (is_environment (args)) |
5286 | { |
5129 | { |
5287 | putstr (SCHEME_A_ "#<ENVIRONMENT>"); |
5130 | putstr (SCHEME_A_ "#<ENVIRONMENT>"); |
5288 | s_return (S_T); |
5131 | s_return (S_T); |
5289 | } |
5132 | } |
5290 | else if (!is_pair (SCHEME_V->args)) |
5133 | else if (!is_pair (args)) |
5291 | { |
5134 | { |
5292 | printatom (SCHEME_A_ SCHEME_V->args, SCHEME_V->print_flag); |
5135 | printatom (SCHEME_A_ args, SCHEME_V->print_flag); |
5293 | s_return (S_T); |
5136 | s_return (S_T); |
5294 | } |
5137 | } |
5295 | else if (car (SCHEME_V->args) == SCHEME_V->QUOTE && ok_abbrev (cdr (SCHEME_V->args))) |
5138 | else |
5296 | { |
5139 | { |
|
|
5140 | pointer a = car (args); |
|
|
5141 | pointer b = cdr (args); |
|
|
5142 | int ok_abbr = ok_abbrev (b); |
|
|
5143 | SCHEME_V->args = car (b); |
|
|
5144 | |
|
|
5145 | if (a == SCHEME_V->QUOTE && ok_abbr) |
5297 | putstr (SCHEME_A_ "'"); |
5146 | putstr (SCHEME_A_ "'"); |
5298 | SCHEME_V->args = cadr (SCHEME_V->args); |
5147 | else if (a == SCHEME_V->QQUOTE && ok_abbr) |
|
|
5148 | putstr (SCHEME_A_ "`"); |
|
|
5149 | else if (a == SCHEME_V->UNQUOTE && ok_abbr) |
|
|
5150 | putstr (SCHEME_A_ ","); |
|
|
5151 | else if (a == SCHEME_V->UNQUOTESP && ok_abbr) |
|
|
5152 | putstr (SCHEME_A_ ",@"); |
|
|
5153 | else |
|
|
5154 | { |
|
|
5155 | putstr (SCHEME_A_ "("); |
|
|
5156 | s_save (SCHEME_A_ OP_P1LIST, b, NIL); |
|
|
5157 | SCHEME_V->args = a; |
|
|
5158 | } |
|
|
5159 | |
5299 | s_goto (OP_P0LIST); |
5160 | s_goto (OP_P0LIST); |
5300 | } |
5161 | } |
5301 | else if (car (SCHEME_V->args) == SCHEME_V->QQUOTE && ok_abbrev (cdr (SCHEME_V->args))) |
5162 | |
|
|
5163 | case OP_P1LIST: |
|
|
5164 | if (is_pair (args)) |
5302 | { |
5165 | { |
|
|
5166 | s_save (SCHEME_A_ OP_P1LIST, cdr (args), NIL); |
5303 | putstr (SCHEME_A_ "`"); |
5167 | putstr (SCHEME_A_ " "); |
5304 | SCHEME_V->args = cadr (SCHEME_V->args); |
5168 | SCHEME_V->args = car (args); |
5305 | s_goto (OP_P0LIST); |
5169 | s_goto (OP_P0LIST); |
5306 | } |
5170 | } |
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)) |
5171 | else if (is_vector (args)) |
5336 | { |
5172 | { |
5337 | s_save (SCHEME_A_ OP_P1LIST, NIL, NIL); |
5173 | s_save (SCHEME_A_ OP_P1LIST, NIL, NIL); |
5338 | putstr (SCHEME_A_ " . "); |
5174 | putstr (SCHEME_A_ " . "); |
5339 | s_goto (OP_P0LIST); |
5175 | s_goto (OP_P0LIST); |
5340 | } |
5176 | } |
5341 | else |
5177 | else |
5342 | { |
5178 | { |
5343 | if (SCHEME_V->args != NIL) |
5179 | if (args != NIL) |
5344 | { |
5180 | { |
5345 | putstr (SCHEME_A_ " . "); |
5181 | putstr (SCHEME_A_ " . "); |
5346 | printatom (SCHEME_A_ SCHEME_V->args, SCHEME_V->print_flag); |
5182 | printatom (SCHEME_A_ args, SCHEME_V->print_flag); |
5347 | } |
5183 | } |
5348 | |
5184 | |
5349 | putstr (SCHEME_A_ ")"); |
5185 | putstr (SCHEME_A_ ")"); |
5350 | s_return (S_T); |
5186 | s_return (S_T); |
5351 | } |
5187 | } |
5352 | |
5188 | |
5353 | case OP_PVECFROM: |
5189 | case OP_PVECFROM: |
5354 | { |
5190 | { |
5355 | int i = ivalue_unchecked (cdr (SCHEME_V->args)); |
5191 | int i = ivalue_unchecked (cdr (args)); |
5356 | pointer vec = car (SCHEME_V->args); |
5192 | pointer vec = car (args); |
5357 | int len = veclength (vec); |
5193 | int len = veclength (vec); |
5358 | |
5194 | |
5359 | if (i == len) |
5195 | if (i == len) |
5360 | { |
5196 | { |
5361 | putstr (SCHEME_A_ ")"); |
5197 | putstr (SCHEME_A_ ")"); |
… | |
… | |
5363 | } |
5199 | } |
5364 | else |
5200 | else |
5365 | { |
5201 | { |
5366 | pointer elem = vector_elem (vec, i); |
5202 | pointer elem = vector_elem (vec, i); |
5367 | |
5203 | |
5368 | ivalue_unchecked (cdr (SCHEME_V->args)) = i + 1; |
5204 | ivalue_unchecked (cdr (args)) = i + 1; |
5369 | s_save (SCHEME_A_ OP_PVECFROM, SCHEME_V->args, NIL); |
5205 | s_save (SCHEME_A_ OP_PVECFROM, args, NIL); |
5370 | SCHEME_V->args = elem; |
5206 | SCHEME_V->args = elem; |
5371 | |
5207 | |
5372 | if (i > 0) |
5208 | if (i > 0) |
5373 | putstr (SCHEME_A_ " "); |
5209 | putstr (SCHEME_A_ " "); |
5374 | |
5210 | |
5375 | s_goto (OP_P0LIST); |
5211 | s_goto (OP_P0LIST); |
5376 | } |
5212 | } |
5377 | } |
5213 | } |
5378 | } |
5214 | } |
5379 | |
5215 | |
5380 | return S_T; |
5216 | abort (); |
5381 | } |
5217 | } |
5382 | |
5218 | |
5383 | static pointer |
5219 | static int |
5384 | opexe_6 (SCHEME_P_ enum scheme_opcodes op) |
5220 | opexe_6 (SCHEME_P_ enum scheme_opcodes op) |
5385 | { |
5221 | { |
|
|
5222 | pointer args = SCHEME_V->args; |
|
|
5223 | pointer a = car (args); |
5386 | pointer x, y; |
5224 | pointer x, y; |
5387 | |
5225 | |
5388 | switch (op) |
5226 | switch (op) |
5389 | { |
5227 | { |
5390 | case OP_LIST_LENGTH: /* length *//* a.k */ |
5228 | case OP_LIST_LENGTH: /* length *//* a.k */ |
5391 | { |
5229 | { |
5392 | long v = list_length (SCHEME_A_ car (SCHEME_V->args)); |
5230 | long v = list_length (SCHEME_A_ a); |
5393 | |
5231 | |
5394 | if (v < 0) |
5232 | if (v < 0) |
5395 | Error_1 ("length: not a list:", car (SCHEME_V->args)); |
5233 | Error_1 ("length: not a list:", a); |
5396 | |
5234 | |
5397 | s_return (mk_integer (SCHEME_A_ v)); |
5235 | s_return (mk_integer (SCHEME_A_ v)); |
5398 | } |
5236 | } |
5399 | |
5237 | |
5400 | case OP_ASSQ: /* assq *//* a.k */ |
5238 | case OP_ASSQ: /* assq *//* a.k */ |
5401 | x = car (SCHEME_V->args); |
5239 | x = a; |
5402 | |
5240 | |
5403 | for (y = cadr (SCHEME_V->args); is_pair (y); y = cdr (y)) |
5241 | for (y = cadr (args); is_pair (y); y = cdr (y)) |
5404 | { |
5242 | { |
5405 | if (!is_pair (car (y))) |
5243 | if (!is_pair (car (y))) |
5406 | Error_0 ("unable to handle non pair element"); |
5244 | Error_0 ("unable to handle non pair element"); |
5407 | |
5245 | |
5408 | if (x == caar (y)) |
5246 | if (x == caar (y)) |
… | |
… | |
5414 | else |
5252 | else |
5415 | s_return (S_F); |
5253 | s_return (S_F); |
5416 | |
5254 | |
5417 | |
5255 | |
5418 | case OP_GET_CLOSURE: /* get-closure-code *//* a.k */ |
5256 | case OP_GET_CLOSURE: /* get-closure-code *//* a.k */ |
5419 | SCHEME_V->args = car (SCHEME_V->args); |
5257 | SCHEME_V->args = a; |
5420 | |
5258 | |
5421 | if (SCHEME_V->args == NIL) |
5259 | if (SCHEME_V->args == NIL) |
5422 | s_return (S_F); |
5260 | s_return (S_F); |
5423 | else if (is_closure (SCHEME_V->args)) |
5261 | else if (is_closure (SCHEME_V->args)) |
5424 | s_return (cons (SCHEME_V->LAMBDA, closure_code (SCHEME_V->value))); |
5262 | s_return (cons (SCHEME_V->LAMBDA, closure_code (SCHEME_V->value))); |
… | |
… | |
5430 | case OP_CLOSUREP: /* closure? */ |
5268 | case OP_CLOSUREP: /* closure? */ |
5431 | /* |
5269 | /* |
5432 | * Note, macro object is also a closure. |
5270 | * Note, macro object is also a closure. |
5433 | * Therefore, (closure? <#MACRO>) ==> #t |
5271 | * Therefore, (closure? <#MACRO>) ==> #t |
5434 | */ |
5272 | */ |
5435 | s_retbool (is_closure (car (SCHEME_V->args))); |
5273 | s_retbool (is_closure (a)); |
5436 | |
5274 | |
5437 | case OP_MACROP: /* macro? */ |
5275 | case OP_MACROP: /* macro? */ |
5438 | s_retbool (is_macro (car (SCHEME_V->args))); |
5276 | s_retbool (is_macro (a)); |
5439 | } |
5277 | } |
5440 | |
5278 | |
5441 | return S_T; /* NOTREACHED */ |
5279 | abort (); |
5442 | } |
5280 | } |
5443 | |
5281 | |
|
|
5282 | /* 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); |
5283 | typedef int (*dispatch_func)(SCHEME_P_ enum scheme_opcodes); |
5445 | |
5284 | |
5446 | typedef int (*test_predicate) (pointer); |
5285 | typedef int (*test_predicate)(pointer); |
5447 | static int |
5286 | static int |
5448 | is_any (pointer p) |
5287 | is_any (pointer p) |
5449 | { |
5288 | { |
5450 | return 1; |
5289 | return 1; |
5451 | } |
5290 | } |
5452 | |
5291 | |
5453 | static int |
5292 | static int |
5454 | is_nonneg (pointer p) |
5293 | is_nonneg (pointer p) |
5455 | { |
5294 | { |
5456 | return ivalue (p) >= 0 && is_integer (p); |
5295 | return ivalue (p) >= 0 && is_integer (p); |
|
|
5296 | } |
|
|
5297 | |
|
|
5298 | static int |
|
|
5299 | tst_is_list (pointer p) |
|
|
5300 | { |
|
|
5301 | return p == NIL || is_pair (p); |
5457 | } |
5302 | } |
5458 | |
5303 | |
5459 | /* Correspond carefully with following defines! */ |
5304 | /* Correspond carefully with following defines! */ |
5460 | static struct |
5305 | static struct |
5461 | { |
5306 | { |
5462 | test_predicate fct; |
5307 | test_predicate fct; |
5463 | const char *kind; |
5308 | const char *kind; |
5464 | } tests[] = |
5309 | } tests[] = |
5465 | { |
5310 | { |
5466 | { 0, 0}, /* unused */ |
5311 | { is_any, 0 }, |
5467 | { is_any, 0}, |
5312 | { is_string, "string" }, |
5468 | { is_string, "string" }, |
5313 | { is_symbol, "symbol" }, |
5469 | { is_symbol, "symbol" }, |
5314 | { is_port, "port" }, |
5470 | { is_port, "port" }, |
|
|
5471 | { is_inport, "input port" }, |
5315 | { is_inport, "input port" }, |
5472 | { is_outport, "output port" }, |
5316 | { is_outport, "output port" }, |
5473 | { is_environment, "environment" }, |
5317 | { is_environment, "environment" }, |
5474 | { is_pair, "pair" }, |
5318 | { is_pair, "pair" }, |
5475 | { 0, "pair or '()" }, |
5319 | { tst_is_list, "pair or '()" }, |
5476 | { is_character, "character" }, |
5320 | { is_character, "character" }, |
5477 | { is_vector, "vector" }, |
5321 | { is_vector, "vector" }, |
5478 | { is_number, "number" }, |
5322 | { is_number, "number" }, |
5479 | { is_integer, "integer" }, |
5323 | { is_integer, "integer" }, |
5480 | { is_nonneg, "non-negative integer" } |
5324 | { is_nonneg, "non-negative integer" } |
5481 | }; |
5325 | }; |
5482 | |
5326 | |
5483 | #define TST_NONE 0 |
5327 | #define TST_NONE 0 /* TST_NONE used for built-ins, 0 for internal ops */ |
5484 | #define TST_ANY "\001" |
5328 | #define TST_ANY "\001" |
5485 | #define TST_STRING "\002" |
5329 | #define TST_STRING "\002" |
5486 | #define TST_SYMBOL "\003" |
5330 | #define TST_SYMBOL "\003" |
5487 | #define TST_PORT "\004" |
5331 | #define TST_PORT "\004" |
5488 | #define TST_INPORT "\005" |
5332 | #define TST_INPORT "\005" |
5489 | #define TST_OUTPORT "\006" |
5333 | #define TST_OUTPORT "\006" |
5490 | #define TST_ENVIRONMENT "\007" |
5334 | #define TST_ENVIRONMENT "\007" |
5491 | #define TST_PAIR "\010" |
5335 | #define TST_PAIR "\010" |
5492 | #define TST_LIST "\011" |
5336 | #define TST_LIST "\011" |
5493 | #define TST_CHAR "\012" |
5337 | #define TST_CHAR "\012" |
5494 | #define TST_VECTOR "\013" |
5338 | #define TST_VECTOR "\013" |
5495 | #define TST_NUMBER "\014" |
5339 | #define TST_NUMBER "\014" |
5496 | #define TST_INTEGER "\015" |
5340 | #define TST_INTEGER "\015" |
5497 | #define TST_NATURAL "\016" |
5341 | #define TST_NATURAL "\016" |
|
|
5342 | |
|
|
5343 | #define INF_ARG 0xff |
|
|
5344 | #define UNNAMED_OP "" |
|
|
5345 | |
|
|
5346 | static const char opnames[] = |
|
|
5347 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) name "\x00" |
|
|
5348 | #include "opdefines.h" |
|
|
5349 | #undef OP_DEF |
|
|
5350 | ; |
|
|
5351 | |
|
|
5352 | static const char * |
|
|
5353 | opname (int idx) |
|
|
5354 | { |
|
|
5355 | const char *name = opnames; |
|
|
5356 | |
|
|
5357 | /* should do this at compile time, but would require external program, right? */ |
|
|
5358 | while (idx--) |
|
|
5359 | name += strlen (name) + 1; |
|
|
5360 | |
|
|
5361 | return *name ? name : "ILLEGAL"; |
|
|
5362 | } |
|
|
5363 | |
|
|
5364 | static const char * |
|
|
5365 | procname (pointer x) |
|
|
5366 | { |
|
|
5367 | return opname (procnum (x)); |
|
|
5368 | } |
5498 | |
5369 | |
5499 | typedef struct |
5370 | typedef struct |
5500 | { |
5371 | { |
5501 | dispatch_func func; |
5372 | uint8_t func; |
5502 | char *name; |
5373 | /*dispatch_func func;*//*TODO: maybe optionally keep the pointer, for speed? */ |
|
|
5374 | uint8_t builtin; |
5503 | int min_arity; |
5375 | uint8_t min_arity; |
5504 | int max_arity; |
5376 | uint8_t max_arity; |
5505 | char *arg_tests_encoding; |
5377 | char arg_tests_encoding[3]; |
5506 | } op_code_info; |
5378 | } op_code_info; |
5507 | |
5379 | |
5508 | #define INF_ARG 0xffff |
|
|
5509 | |
|
|
5510 | static op_code_info dispatch_table[] = { |
5380 | static const op_code_info dispatch_table[] = { |
5511 | #define OP_DEF(A,B,C,D,E,OP) {A,B,C,D,E}, |
5381 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) { func, sizeof (name) > 1, minarity, maxarity, argtest }, |
5512 | #include "opdefines.h" |
5382 | #include "opdefines.h" |
|
|
5383 | #undef OP_DEF |
5513 | {0} |
5384 | {0} |
5514 | }; |
5385 | }; |
5515 | |
5386 | |
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 */ |
5387 | /* kernel of this interpreter */ |
5529 | static void |
5388 | static void ecb_hot |
5530 | Eval_Cycle (SCHEME_P_ enum scheme_opcodes op) |
5389 | Eval_Cycle (SCHEME_P_ enum scheme_opcodes op) |
5531 | { |
5390 | { |
5532 | SCHEME_V->op = op; |
5391 | SCHEME_V->op = op; |
5533 | |
5392 | |
5534 | for (;;) |
5393 | for (;;) |
5535 | { |
5394 | { |
5536 | op_code_info *pcd = dispatch_table + SCHEME_V->op; |
5395 | const op_code_info *pcd = dispatch_table + SCHEME_V->op; |
5537 | |
5396 | |
5538 | #if USE_ERROR_CHECKING |
5397 | #if USE_ERROR_CHECKING |
5539 | if (pcd->name) /* if built-in function, check arguments */ |
5398 | if (pcd->builtin) /* if built-in function, check arguments */ |
5540 | { |
5399 | { |
5541 | int ok = 1; |
|
|
5542 | char msg[STRBUFFSIZE]; |
5400 | char msg[STRBUFFSIZE]; |
5543 | int n = list_length (SCHEME_A_ SCHEME_V->args); |
5401 | int n = list_length (SCHEME_A_ SCHEME_V->args); |
5544 | |
5402 | |
5545 | /* Check number of arguments */ |
5403 | /* Check number of arguments */ |
5546 | if (n < pcd->min_arity) |
5404 | if (ecb_expect_false (n < pcd->min_arity)) |
5547 | { |
5405 | { |
5548 | ok = 0; |
|
|
5549 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5406 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5550 | pcd->name, pcd->min_arity == pcd->max_arity ? "" : " at least", pcd->min_arity); |
5407 | opname (SCHEME_V->op), pcd->min_arity == pcd->max_arity ? "" : " at least", pcd->min_arity); |
|
|
5408 | xError_1 (SCHEME_A_ msg, 0); |
|
|
5409 | continue; |
5551 | } |
5410 | } |
5552 | |
5411 | else if (ecb_expect_false (n > pcd->max_arity && pcd->max_arity != INF_ARG)) |
5553 | if (ok && n > pcd->max_arity) |
|
|
5554 | { |
5412 | { |
5555 | ok = 0; |
|
|
5556 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5413 | snprintf (msg, STRBUFFSIZE, "%s: needs%s %d argument(s)", |
5557 | pcd->name, pcd->min_arity == pcd->max_arity ? "" : " at most", pcd->max_arity); |
5414 | opname (SCHEME_V->op), pcd->min_arity == pcd->max_arity ? "" : " at most", pcd->max_arity); |
|
|
5415 | xError_1 (SCHEME_A_ msg, 0); |
|
|
5416 | continue; |
5558 | } |
5417 | } |
5559 | |
5418 | else |
5560 | if (ok) |
|
|
5561 | { |
5419 | { |
5562 | if (pcd->arg_tests_encoding) |
5420 | if (*pcd->arg_tests_encoding) /* literal 0 and TST_NONE treated the same */ |
5563 | { |
5421 | { |
5564 | int i = 0; |
5422 | int i = 0; |
5565 | int j; |
5423 | int j; |
5566 | const char *t = pcd->arg_tests_encoding; |
5424 | const char *t = pcd->arg_tests_encoding; |
5567 | pointer arglist = SCHEME_V->args; |
5425 | pointer arglist = SCHEME_V->args; |
5568 | |
5426 | |
5569 | do |
5427 | do |
5570 | { |
5428 | { |
5571 | pointer arg = car (arglist); |
5429 | pointer arg = car (arglist); |
5572 | |
5430 | |
5573 | j = (int) t[0]; |
5431 | j = t[0]; |
5574 | |
5432 | |
5575 | if (j == TST_LIST[0]) |
5433 | if (!tests[j - 1].fct (arg)) |
5576 | { |
|
|
5577 | if (arg != NIL && !is_pair (arg)) |
|
|
5578 | break; |
5434 | break; |
5579 | } |
|
|
5580 | else |
|
|
5581 | { |
|
|
5582 | if (!tests[j].fct (arg)) |
|
|
5583 | break; |
|
|
5584 | } |
|
|
5585 | |
5435 | |
5586 | if (t[1] != 0) /* last test is replicated as necessary */ |
5436 | if (t[1]) /* last test is replicated as necessary */ |
5587 | t++; |
5437 | t++; |
5588 | |
5438 | |
5589 | arglist = cdr (arglist); |
5439 | arglist = cdr (arglist); |
5590 | i++; |
5440 | i++; |
5591 | } |
5441 | } |
5592 | while (i < n); |
5442 | while (i < n); |
5593 | |
5443 | |
5594 | if (i < n) |
5444 | if (i < n) |
5595 | { |
5445 | { |
5596 | ok = 0; |
|
|
5597 | snprintf (msg, STRBUFFSIZE, "%s: argument %d must be: %s", pcd->name, i + 1, tests[j].kind); |
5446 | snprintf (msg, STRBUFFSIZE, "%s: argument %d must be: %s", opname (SCHEME_V->op), i + 1, tests[j].kind); |
|
|
5447 | xError_1 (SCHEME_A_ msg, 0); |
|
|
5448 | continue; |
5598 | } |
5449 | } |
5599 | } |
5450 | } |
5600 | } |
5451 | } |
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 | } |
5452 | } |
5610 | #endif |
5453 | #endif |
5611 | |
5454 | |
5612 | ok_to_freely_gc (SCHEME_A); |
5455 | ok_to_freely_gc (SCHEME_A); |
5613 | |
5456 | |
5614 | if (pcd->func (SCHEME_A_ SCHEME_V->op) == NIL) |
5457 | static const dispatch_func dispatch_funcs[] = { |
|
|
5458 | opexe_0, |
|
|
5459 | opexe_1, |
|
|
5460 | opexe_2, |
|
|
5461 | opexe_3, |
|
|
5462 | opexe_4, |
|
|
5463 | opexe_5, |
|
|
5464 | opexe_6, |
|
|
5465 | }; |
|
|
5466 | |
|
|
5467 | if (ecb_expect_false (dispatch_funcs [pcd->func] (SCHEME_A_ SCHEME_V->op) != 0)) |
5615 | return; |
5468 | return; |
5616 | |
5469 | |
5617 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
5470 | if (SCHEME_V->no_memory && USE_ERROR_CHECKING) |
5618 | { |
5471 | { |
5619 | xwrstr ("No memory!\n"); |
5472 | xwrstr ("No memory!\n"); |
… | |
… | |
5677 | |
5530 | |
5678 | case 'd': |
5531 | case 'd': |
5679 | return OP_COND0; /* cond */ |
5532 | return OP_COND0; /* cond */ |
5680 | |
5533 | |
5681 | case '*': |
5534 | case '*': |
5682 | return OP_LET0AST; /* let* */ |
5535 | return OP_LET0AST;/* let* */ |
5683 | |
5536 | |
5684 | default: |
5537 | default: |
5685 | return OP_SET0; /* set! */ |
5538 | return OP_SET0; /* set! */ |
5686 | } |
5539 | } |
5687 | |
5540 | |
… | |
… | |
5709 | |
5562 | |
5710 | case 'f': |
5563 | case 'f': |
5711 | return OP_DEF0; /* define */ |
5564 | return OP_DEF0; /* define */ |
5712 | |
5565 | |
5713 | default: |
5566 | default: |
5714 | return OP_LET0REC; /* letrec */ |
5567 | return OP_LET0REC;/* letrec */ |
5715 | } |
5568 | } |
5716 | |
5569 | |
5717 | default: |
5570 | default: |
5718 | return OP_C0STREAM; /* cons-stream */ |
5571 | return OP_C0STREAM; /* cons-stream */ |
5719 | } |
5572 | } |
5720 | } |
5573 | } |
5721 | |
5574 | |
5722 | #if USE_MULTIPLICITY |
5575 | #if USE_MULTIPLICITY |
5723 | scheme * |
5576 | ecb_cold scheme * |
5724 | scheme_init_new () |
5577 | scheme_init_new () |
5725 | { |
5578 | { |
5726 | scheme *sc = malloc (sizeof (scheme)); |
5579 | scheme *sc = malloc (sizeof (scheme)); |
5727 | |
5580 | |
5728 | if (!scheme_init (SCHEME_A)) |
5581 | if (!scheme_init (SCHEME_A)) |
… | |
… | |
5733 | else |
5586 | else |
5734 | return sc; |
5587 | return sc; |
5735 | } |
5588 | } |
5736 | #endif |
5589 | #endif |
5737 | |
5590 | |
5738 | int |
5591 | ecb_cold int |
5739 | scheme_init (SCHEME_P) |
5592 | scheme_init (SCHEME_P) |
5740 | { |
5593 | { |
5741 | int i, n = sizeof (dispatch_table) / sizeof (dispatch_table[0]); |
5594 | int i, n = sizeof (dispatch_table) / sizeof (dispatch_table[0]); |
5742 | pointer x; |
5595 | pointer x; |
5743 | |
5596 | |
… | |
… | |
5816 | |
5669 | |
5817 | for (i = 0; i < sizeof (syntax_names) / sizeof (*syntax_names); ++i) |
5670 | for (i = 0; i < sizeof (syntax_names) / sizeof (*syntax_names); ++i) |
5818 | assign_syntax (SCHEME_A_ syntax_names[i]); |
5671 | assign_syntax (SCHEME_A_ syntax_names[i]); |
5819 | } |
5672 | } |
5820 | |
5673 | |
|
|
5674 | // TODO: should iterate via strlen, to avoid n² complexity |
5821 | for (i = 0; i < n; i++) |
5675 | for (i = 0; i < n; i++) |
5822 | if (dispatch_table[i].name != 0) |
5676 | if (dispatch_table[i].builtin) |
5823 | assign_proc (SCHEME_A_ i, dispatch_table[i].name); |
5677 | assign_proc (SCHEME_A_ i, opname (i)); |
5824 | |
5678 | |
5825 | /* initialization of global pointers to special symbols */ |
5679 | /* initialization of global pointers to special symbols */ |
5826 | SCHEME_V->LAMBDA = mk_symbol (SCHEME_A_ "lambda"); |
5680 | SCHEME_V->LAMBDA = mk_symbol (SCHEME_A_ "lambda"); |
5827 | SCHEME_V->QUOTE = mk_symbol (SCHEME_A_ "quote"); |
5681 | SCHEME_V->QUOTE = mk_symbol (SCHEME_A_ "quote"); |
5828 | SCHEME_V->QQUOTE = mk_symbol (SCHEME_A_ "quasiquote"); |
5682 | SCHEME_V->QQUOTE = mk_symbol (SCHEME_A_ "quasiquote"); |
… | |
… | |
5867 | scheme_set_external_data (SCHEME_P_ void *p) |
5721 | scheme_set_external_data (SCHEME_P_ void *p) |
5868 | { |
5722 | { |
5869 | SCHEME_V->ext_data = p; |
5723 | SCHEME_V->ext_data = p; |
5870 | } |
5724 | } |
5871 | |
5725 | |
5872 | void |
5726 | ecb_cold void |
5873 | scheme_deinit (SCHEME_P) |
5727 | scheme_deinit (SCHEME_P) |
5874 | { |
5728 | { |
5875 | int i; |
5729 | int i; |
5876 | |
5730 | |
5877 | #if SHOW_ERROR_LINE |
5731 | #if SHOW_ERROR_LINE |
… | |
… | |
5969 | { |
5823 | { |
5970 | dump_stack_reset (SCHEME_A); |
5824 | dump_stack_reset (SCHEME_A); |
5971 | SCHEME_V->envir = SCHEME_V->global_env; |
5825 | SCHEME_V->envir = SCHEME_V->global_env; |
5972 | SCHEME_V->file_i = 0; |
5826 | SCHEME_V->file_i = 0; |
5973 | SCHEME_V->load_stack[0].kind = port_input | port_string; |
5827 | 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 */ |
5828 | 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); |
5829 | 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; |
5830 | SCHEME_V->load_stack[0].rep.string.curr = (char *)cmd; |
5977 | #if USE_PORTS |
5831 | #if USE_PORTS |
5978 | SCHEME_V->loadport = mk_port (SCHEME_A_ SCHEME_V->load_stack); |
5832 | SCHEME_V->loadport = mk_port (SCHEME_A_ SCHEME_V->load_stack); |
5979 | #endif |
5833 | #endif |
5980 | SCHEME_V->retcode = 0; |
5834 | SCHEME_V->retcode = 0; |
5981 | SCHEME_V->interactive_repl = 0; |
5835 | SCHEME_V->interactive_repl = 0; |