… | |
… | |
182 | # define FIRST_CELLSEGS 3 |
182 | # define FIRST_CELLSEGS 3 |
183 | #endif |
183 | #endif |
184 | |
184 | |
185 | enum scheme_types |
185 | enum scheme_types |
186 | { |
186 | { |
|
|
187 | T_INTEGER, |
187 | T_FREE, |
188 | T_REAL, |
188 | T_STRING, |
189 | T_STRING, |
189 | T_NUMBER, |
|
|
190 | T_SYMBOL, |
190 | T_SYMBOL, |
191 | T_PROC, |
191 | T_PROC, |
192 | T_PAIR, |
192 | T_PAIR, /* also used for free cells */ |
193 | T_CLOSURE, |
193 | T_CLOSURE, |
194 | T_CONTINUATION, |
194 | T_CONTINUATION, |
195 | T_FOREIGN, |
195 | T_FOREIGN, |
196 | T_CHARACTER, |
196 | T_CHARACTER, |
197 | T_PORT, |
197 | T_PORT, |
… | |
… | |
207 | #define T_SYNTAX 0x0010 |
207 | #define T_SYNTAX 0x0010 |
208 | #define T_IMMUTABLE 0x0020 |
208 | #define T_IMMUTABLE 0x0020 |
209 | #define T_ATOM 0x0040 /* only for gc */ |
209 | #define T_ATOM 0x0040 /* only for gc */ |
210 | #define T_MARK 0x0080 /* only for gc */ |
210 | #define T_MARK 0x0080 /* only for gc */ |
211 | |
211 | |
|
|
212 | /* num, for generic arithmetic */ |
|
|
213 | struct num |
|
|
214 | { |
|
|
215 | IVALUE ivalue; |
|
|
216 | #if USE_REAL |
|
|
217 | RVALUE rvalue; |
|
|
218 | char is_fixnum; |
|
|
219 | #endif |
|
|
220 | }; |
|
|
221 | |
|
|
222 | #if USE_REAL |
|
|
223 | # define num_is_fixnum(n) (n).is_fixnum |
|
|
224 | # define num_set_fixnum(n,f) (n).is_fixnum = (f) |
|
|
225 | # define num_ivalue(n) (n).ivalue |
|
|
226 | # define num_rvalue(n) (n).rvalue |
|
|
227 | # define num_set_ivalue(n,i) (n).rvalue = (n).ivalue = (i) |
|
|
228 | # define num_set_rvalue(n,r) (n).rvalue = (r) |
|
|
229 | #else |
|
|
230 | # define num_is_fixnum(n) 1 |
|
|
231 | # define num_set_fixnum(n,f) 0 |
|
|
232 | # define num_ivalue(n) (n).ivalue |
|
|
233 | # define num_rvalue(n) (n).ivalue |
|
|
234 | # define num_set_ivalue(n,i) (n).ivalue = (i) |
|
|
235 | # define num_set_rvalue(n,r) (n).ivalue = (r) |
|
|
236 | #endif |
|
|
237 | |
212 | enum num_op { NUM_ADD, NUM_SUB, NUM_MUL, NUM_INTDIV }; |
238 | enum num_op { NUM_ADD, NUM_SUB, NUM_MUL, NUM_INTDIV }; |
213 | |
239 | |
214 | static num num_op (enum num_op op, num a, num b); |
240 | static num num_op (enum num_op op, num a, num b); |
215 | static num num_intdiv (num a, num b); |
241 | static num num_intdiv (num a, num b); |
216 | static num num_rem (num a, num b); |
242 | static num num_rem (num a, num b); |
… | |
… | |
219 | #if USE_MATH |
245 | #if USE_MATH |
220 | static double round_per_R5RS (double x); |
246 | static double round_per_R5RS (double x); |
221 | #endif |
247 | #endif |
222 | static int is_zero_rvalue (RVALUE x); |
248 | static int is_zero_rvalue (RVALUE x); |
223 | |
249 | |
224 | ecb_inline int |
|
|
225 | num_is_integer (pointer p) |
|
|
226 | { |
|
|
227 | return num_is_fixnum (p->object.number); |
|
|
228 | } |
|
|
229 | |
|
|
230 | static num num_zero; |
250 | static num num_zero; |
231 | static num num_one; |
251 | static num num_one; |
232 | |
252 | |
233 | /* macros for cell operations */ |
253 | /* macros for cell operations */ |
234 | #define typeflag(p) ((p)->flag + 0) |
254 | #define typeflag(p) ((p)->flag + 0) |
… | |
… | |
241 | return type (p) == T_STRING; |
261 | return type (p) == T_STRING; |
242 | } |
262 | } |
243 | |
263 | |
244 | #define strvalue(p) ((p)->object.string.svalue) |
264 | #define strvalue(p) ((p)->object.string.svalue) |
245 | #define strlength(p) ((p)->object.string.length) |
265 | #define strlength(p) ((p)->object.string.length) |
246 | |
|
|
247 | INTERFACE int is_list (SCHEME_P_ pointer p); |
|
|
248 | |
266 | |
249 | INTERFACE int |
267 | INTERFACE int |
250 | is_vector (pointer p) |
268 | is_vector (pointer p) |
251 | { |
269 | { |
252 | return type (p) == T_VECTOR; |
270 | return type (p) == T_VECTOR; |
… | |
… | |
264 | { |
282 | { |
265 | return vec->object.vector.length; |
283 | return vec->object.vector.length; |
266 | } |
284 | } |
267 | |
285 | |
268 | INTERFACE int |
286 | INTERFACE int |
269 | is_number (pointer p) |
|
|
270 | { |
|
|
271 | return type (p) == T_NUMBER; |
|
|
272 | } |
|
|
273 | |
|
|
274 | INTERFACE int |
|
|
275 | is_integer (pointer p) |
287 | is_integer (pointer p) |
276 | { |
288 | { |
277 | if (!is_number (p)) |
289 | return type (p) == T_INTEGER; |
278 | return 0; |
|
|
279 | |
|
|
280 | if (num_is_integer (p) || ivalue (p) == rvalue (p)) |
|
|
281 | return 1; |
|
|
282 | |
|
|
283 | return 0; |
|
|
284 | } |
290 | } |
285 | |
291 | |
|
|
292 | /* not the same as in scheme, where integers are (correctly :) reals */ |
286 | INTERFACE int |
293 | INTERFACE int |
287 | is_real (pointer p) |
294 | is_real (pointer p) |
288 | { |
295 | { |
289 | return is_number (p) && !num_is_fixnum (p->object.number); |
296 | return type (p) == T_REAL; |
|
|
297 | } |
|
|
298 | |
|
|
299 | INTERFACE int |
|
|
300 | is_number (pointer p) |
|
|
301 | { |
|
|
302 | return is_integer (p) || is_real (p); |
290 | } |
303 | } |
291 | |
304 | |
292 | INTERFACE int |
305 | INTERFACE int |
293 | is_character (pointer p) |
306 | is_character (pointer p) |
294 | { |
307 | { |
… | |
… | |
299 | string_value (pointer p) |
312 | string_value (pointer p) |
300 | { |
313 | { |
301 | return strvalue (p); |
314 | return strvalue (p); |
302 | } |
315 | } |
303 | |
316 | |
304 | ecb_inline num |
|
|
305 | nvalue (pointer p) |
|
|
306 | { |
|
|
307 | return (p)->object.number; |
|
|
308 | } |
|
|
309 | |
|
|
310 | static IVALUE |
|
|
311 | num_get_ivalue (const num n) |
|
|
312 | { |
|
|
313 | return num_is_fixnum (n) ? num_ivalue (n) : (IVALUE)num_rvalue (n); |
|
|
314 | } |
|
|
315 | |
|
|
316 | static RVALUE |
|
|
317 | num_get_rvalue (const num n) |
|
|
318 | { |
|
|
319 | return num_is_fixnum (n) ? (RVALUE)num_ivalue (n) : num_rvalue (n); |
|
|
320 | } |
|
|
321 | |
|
|
322 | INTERFACE IVALUE |
|
|
323 | ivalue (pointer p) |
|
|
324 | { |
|
|
325 | return num_get_ivalue (p->object.number); |
|
|
326 | } |
|
|
327 | |
|
|
328 | INTERFACE RVALUE |
|
|
329 | rvalue (pointer p) |
|
|
330 | { |
|
|
331 | return num_get_rvalue (p->object.number); |
|
|
332 | } |
|
|
333 | |
|
|
334 | #define ivalue_unchecked(p) ((p)->object.number.value.ivalue) |
317 | #define ivalue_unchecked(p) (p)->object.ivalue |
|
|
318 | #define set_ivalue(p,v) (p)->object.ivalue = (v) |
|
|
319 | |
335 | #if USE_REAL |
320 | #if USE_REAL |
336 | # define rvalue_unchecked(p) ((p)->object.number.value.rvalue) |
321 | #define rvalue_unchecked(p) (p)->object.rvalue |
337 | # define set_num_integer(p) (p)->object.number.is_fixnum=1; |
322 | #define set_rvalue(p,v) (p)->object.rvalue = (v) |
338 | # define set_num_real(p) (p)->object.number.is_fixnum=0; |
|
|
339 | #else |
323 | #else |
340 | # define rvalue_unchecked(p) ((p)->object.number.value.ivalue) |
324 | #define rvalue_unchecked(p) (p)->object.ivalue |
341 | # define set_num_integer(p) 0 |
325 | #define set_rvalue(p,v) (p)->object.ivalue = (v) |
342 | # define set_num_real(p) 0 |
|
|
343 | #endif |
326 | #endif |
344 | |
327 | |
345 | INTERFACE long |
328 | INTERFACE long |
346 | charvalue (pointer p) |
329 | charvalue (pointer p) |
347 | { |
330 | { |
… | |
… | |
452 | syntaxname (pointer p) |
435 | syntaxname (pointer p) |
453 | { |
436 | { |
454 | return strvalue (car (p)); |
437 | return strvalue (car (p)); |
455 | } |
438 | } |
456 | |
439 | |
457 | #define procnum(p) ivalue (p) |
440 | #define procnum(p) ivalue_unchecked (p) |
458 | static const char *procname (pointer x); |
441 | static const char *procname (pointer x); |
459 | |
442 | |
460 | INTERFACE int |
443 | INTERFACE int |
461 | is_closure (pointer p) |
444 | is_closure (pointer p) |
462 | { |
445 | { |
… | |
… | |
523 | setimmutable (pointer p) |
506 | setimmutable (pointer p) |
524 | { |
507 | { |
525 | #if USE_ERROR_CHECKING |
508 | #if USE_ERROR_CHECKING |
526 | set_typeflag (p, typeflag (p) | T_IMMUTABLE); |
509 | set_typeflag (p, typeflag (p) | T_IMMUTABLE); |
527 | #endif |
510 | #endif |
|
|
511 | } |
|
|
512 | |
|
|
513 | /* Result is: |
|
|
514 | proper list: length |
|
|
515 | circular list: -1 |
|
|
516 | not even a pair: -2 |
|
|
517 | dotted list: -2 minus length before dot |
|
|
518 | */ |
|
|
519 | INTERFACE int |
|
|
520 | list_length (SCHEME_P_ pointer a) |
|
|
521 | { |
|
|
522 | int i = 0; |
|
|
523 | pointer slow, fast; |
|
|
524 | |
|
|
525 | slow = fast = a; |
|
|
526 | |
|
|
527 | while (1) |
|
|
528 | { |
|
|
529 | if (fast == NIL) |
|
|
530 | return i; |
|
|
531 | |
|
|
532 | if (!is_pair (fast)) |
|
|
533 | return -2 - i; |
|
|
534 | |
|
|
535 | fast = cdr (fast); |
|
|
536 | ++i; |
|
|
537 | |
|
|
538 | if (fast == NIL) |
|
|
539 | return i; |
|
|
540 | |
|
|
541 | if (!is_pair (fast)) |
|
|
542 | return -2 - i; |
|
|
543 | |
|
|
544 | ++i; |
|
|
545 | fast = cdr (fast); |
|
|
546 | |
|
|
547 | /* Safe because we would have already returned if `fast' |
|
|
548 | encountered a non-pair. */ |
|
|
549 | slow = cdr (slow); |
|
|
550 | |
|
|
551 | if (fast == slow) |
|
|
552 | { |
|
|
553 | /* the fast pointer has looped back around and caught up |
|
|
554 | with the slow pointer, hence the structure is circular, |
|
|
555 | not of finite length, and therefore not a list */ |
|
|
556 | return -1; |
|
|
557 | } |
|
|
558 | } |
|
|
559 | } |
|
|
560 | |
|
|
561 | INTERFACE int |
|
|
562 | is_list (SCHEME_P_ pointer a) |
|
|
563 | { |
|
|
564 | return list_length (SCHEME_A_ a) >= 0; |
528 | } |
565 | } |
529 | |
566 | |
530 | #if USE_CHAR_CLASSIFIERS |
567 | #if USE_CHAR_CLASSIFIERS |
531 | ecb_inline int |
568 | ecb_inline int |
532 | Cisalpha (int c) |
569 | Cisalpha (int c) |
… | |
… | |
676 | static void Eval_Cycle (SCHEME_P_ enum scheme_opcodes op); |
713 | static void Eval_Cycle (SCHEME_P_ enum scheme_opcodes op); |
677 | static void assign_syntax (SCHEME_P_ const char *name); |
714 | static void assign_syntax (SCHEME_P_ const char *name); |
678 | static int syntaxnum (pointer p); |
715 | static int syntaxnum (pointer p); |
679 | static void assign_proc (SCHEME_P_ enum scheme_opcodes, const char *name); |
716 | static void assign_proc (SCHEME_P_ enum scheme_opcodes, const char *name); |
680 | |
717 | |
|
|
718 | static IVALUE |
|
|
719 | ivalue (pointer x) |
|
|
720 | { |
|
|
721 | return is_integer (x) ? ivalue_unchecked (x) : rvalue_unchecked (x); |
|
|
722 | } |
|
|
723 | |
|
|
724 | static RVALUE |
|
|
725 | rvalue (pointer x) |
|
|
726 | { |
|
|
727 | return is_integer (x) ? ivalue_unchecked (x) : rvalue_unchecked (x); |
|
|
728 | } |
|
|
729 | |
|
|
730 | INTERFACE num |
|
|
731 | nvalue (pointer x) |
|
|
732 | { |
|
|
733 | num n; |
|
|
734 | |
|
|
735 | num_set_fixnum (n, is_integer (x)); |
|
|
736 | |
|
|
737 | if (num_is_fixnum (n)) |
|
|
738 | num_set_ivalue (n, ivalue_unchecked (x)); |
|
|
739 | else |
|
|
740 | num_set_rvalue (n, rvalue_unchecked (x)); |
|
|
741 | |
|
|
742 | return n; |
|
|
743 | } |
|
|
744 | |
681 | static num |
745 | static num |
682 | num_op (enum num_op op, num a, num b) |
746 | num_op (enum num_op op, num a, num b) |
683 | { |
747 | { |
684 | num ret; |
748 | num ret; |
685 | |
749 | |
686 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
750 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
687 | |
751 | |
688 | if (num_is_fixnum (ret)) |
752 | if (num_is_fixnum (ret)) |
689 | { |
753 | { |
690 | IVALUE av = num_get_ivalue (a); |
|
|
691 | IVALUE bv = num_get_ivalue (b); |
|
|
692 | |
|
|
693 | switch (op) |
754 | switch (op) |
694 | { |
755 | { |
695 | case NUM_ADD: av += bv; break; |
756 | case NUM_ADD: a.ivalue += b.ivalue; break; |
696 | case NUM_SUB: av -= bv; break; |
757 | case NUM_SUB: a.ivalue -= b.ivalue; break; |
697 | case NUM_MUL: av *= bv; break; |
758 | case NUM_MUL: a.ivalue *= b.ivalue; break; |
698 | case NUM_INTDIV: av /= bv; break; |
759 | case NUM_INTDIV: a.ivalue /= b.ivalue; break; |
699 | } |
760 | } |
700 | |
761 | |
701 | num_set_ivalue (ret, av); |
762 | num_set_ivalue (ret, a.ivalue); |
702 | } |
763 | } |
|
|
764 | #if USE_REAL |
703 | else |
765 | else |
704 | { |
766 | { |
705 | RVALUE av = num_get_rvalue (a); |
|
|
706 | RVALUE bv = num_get_rvalue (b); |
|
|
707 | |
|
|
708 | switch (op) |
767 | switch (op) |
709 | { |
768 | { |
710 | case NUM_ADD: av += bv; break; |
769 | case NUM_ADD: a.rvalue += b.rvalue; break; |
711 | case NUM_SUB: av -= bv; break; |
770 | case NUM_SUB: a.rvalue -= b.rvalue; break; |
712 | case NUM_MUL: av *= bv; break; |
771 | case NUM_MUL: a.rvalue *= b.rvalue; break; |
713 | case NUM_INTDIV: av /= bv; break; |
772 | case NUM_INTDIV: a.rvalue /= b.rvalue; break; |
714 | } |
773 | } |
715 | |
774 | |
716 | num_set_rvalue (ret, av); |
775 | num_set_rvalue (ret, a.rvalue); |
717 | } |
776 | } |
|
|
777 | #endif |
718 | |
778 | |
719 | return ret; |
779 | return ret; |
720 | } |
780 | } |
721 | |
781 | |
722 | static num |
782 | static num |
723 | num_div (num a, num b) |
783 | num_div (num a, num b) |
724 | { |
784 | { |
725 | num ret; |
785 | num ret; |
726 | |
786 | |
727 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b) && num_get_ivalue (a) % num_get_ivalue (b) == 0); |
787 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b) && num_ivalue (a) % num_ivalue (b) == 0); |
728 | |
788 | |
729 | if (num_is_fixnum (ret)) |
789 | if (num_is_fixnum (ret)) |
730 | num_set_ivalue (ret, num_get_ivalue (a) / num_get_ivalue (b)); |
790 | num_set_ivalue (ret, num_ivalue (a) / num_ivalue (b)); |
731 | else |
791 | else |
732 | num_set_rvalue (ret, num_get_rvalue (a) / num_get_rvalue (b)); |
792 | num_set_rvalue (ret, num_rvalue (a) / num_rvalue (b)); |
733 | |
793 | |
734 | return ret; |
794 | return ret; |
735 | } |
795 | } |
736 | |
796 | |
737 | static num |
797 | static num |
… | |
… | |
739 | { |
799 | { |
740 | num ret; |
800 | num ret; |
741 | long e1, e2, res; |
801 | long e1, e2, res; |
742 | |
802 | |
743 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
803 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
744 | e1 = num_get_ivalue (a); |
804 | e1 = num_ivalue (a); |
745 | e2 = num_get_ivalue (b); |
805 | e2 = num_ivalue (b); |
746 | res = e1 % e2; |
806 | res = e1 % e2; |
747 | |
807 | |
748 | /* remainder should have same sign as second operand */ |
808 | /* remainder should have same sign as second operand */ |
749 | if (res > 0) |
809 | if (res > 0) |
750 | { |
810 | { |
… | |
… | |
766 | { |
826 | { |
767 | num ret; |
827 | num ret; |
768 | long e1, e2, res; |
828 | long e1, e2, res; |
769 | |
829 | |
770 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
830 | num_set_fixnum (ret, num_is_fixnum (a) && num_is_fixnum (b)); |
771 | e1 = num_get_ivalue (a); |
831 | e1 = num_ivalue (a); |
772 | e2 = num_get_ivalue (b); |
832 | e2 = num_ivalue (b); |
773 | res = e1 % e2; |
833 | res = e1 % e2; |
774 | |
834 | |
775 | /* modulo should have same sign as second operand */ |
835 | /* modulo should have same sign as second operand */ |
776 | if (res * e2 < 0) |
836 | if (res * e2 < 0) |
777 | res += e2; |
837 | res += e2; |
… | |
… | |
787 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
847 | int is_fixnum = num_is_fixnum (a) && num_is_fixnum (b); |
788 | int ret; |
848 | int ret; |
789 | |
849 | |
790 | if (is_fixnum) |
850 | if (is_fixnum) |
791 | { |
851 | { |
792 | IVALUE av = num_get_ivalue (a); |
852 | IVALUE av = num_ivalue (a); |
793 | IVALUE bv = num_get_ivalue (b); |
853 | IVALUE bv = num_ivalue (b); |
794 | |
854 | |
795 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
855 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
796 | } |
856 | } |
797 | else |
857 | else |
798 | { |
858 | { |
799 | RVALUE av = num_get_rvalue (a); |
859 | RVALUE av = num_rvalue (a); |
800 | RVALUE bv = num_get_rvalue (b); |
860 | RVALUE bv = num_rvalue (b); |
801 | |
861 | |
802 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
862 | ret = av == bv ? 0 : av < bv ? -1 : +1; |
803 | } |
863 | } |
804 | |
864 | |
805 | return ret; |
865 | return ret; |
… | |
… | |
892 | SCHEME_V->fcells += segsize; |
952 | SCHEME_V->fcells += segsize; |
893 | last = newp + segsize - 1; |
953 | last = newp + segsize - 1; |
894 | |
954 | |
895 | for (p = newp; p <= last; p++) |
955 | for (p = newp; p <= last; p++) |
896 | { |
956 | { |
897 | set_typeflag (p, T_FREE); |
957 | set_typeflag (p, T_PAIR); |
898 | set_car (p, NIL); |
958 | set_car (p, NIL); |
899 | set_cdr (p, p + 1); |
959 | set_cdr (p, p + 1); |
900 | } |
960 | } |
901 | |
961 | |
902 | /* insert new cells in address order on free list */ |
962 | /* insert new cells in address order on free list */ |
… | |
… | |
1193 | mk_character (SCHEME_P_ int c) |
1253 | mk_character (SCHEME_P_ int c) |
1194 | { |
1254 | { |
1195 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1255 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1196 | |
1256 | |
1197 | set_typeflag (x, (T_CHARACTER | T_ATOM)); |
1257 | set_typeflag (x, (T_CHARACTER | T_ATOM)); |
1198 | ivalue_unchecked (x) = c & 0xff; |
1258 | set_ivalue (x, c & 0xff); |
1199 | set_num_integer (x); |
1259 | |
1200 | return x; |
1260 | return x; |
1201 | } |
1261 | } |
1202 | |
1262 | |
1203 | /* get number atom (integer) */ |
1263 | /* get number atom (integer) */ |
1204 | INTERFACE pointer |
1264 | INTERFACE pointer |
1205 | mk_integer (SCHEME_P_ long num) |
1265 | mk_integer (SCHEME_P_ long n) |
1206 | { |
1266 | { |
1207 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1267 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1208 | |
1268 | |
1209 | set_typeflag (x, (T_NUMBER | T_ATOM)); |
1269 | set_typeflag (x, (T_INTEGER | T_ATOM)); |
1210 | ivalue_unchecked (x) = num; |
1270 | set_ivalue (x, n); |
1211 | set_num_integer (x); |
1271 | |
1212 | return x; |
1272 | return x; |
1213 | } |
1273 | } |
1214 | |
1274 | |
1215 | INTERFACE pointer |
1275 | INTERFACE pointer |
1216 | mk_real (SCHEME_P_ RVALUE n) |
1276 | mk_real (SCHEME_P_ RVALUE n) |
1217 | { |
1277 | { |
|
|
1278 | #if USE_REAL |
1218 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1279 | pointer x = get_cell (SCHEME_A_ NIL, NIL); |
1219 | |
1280 | |
1220 | set_typeflag (x, (T_NUMBER | T_ATOM)); |
1281 | set_typeflag (x, (T_REAL | T_ATOM)); |
1221 | rvalue_unchecked (x) = n; |
1282 | set_rvalue (x, n); |
1222 | set_num_real (x); |
1283 | |
1223 | return x; |
1284 | return x; |
|
|
1285 | #else |
|
|
1286 | return mk_integer (SCHEME_A_ n); |
|
|
1287 | #endif |
1224 | } |
1288 | } |
1225 | |
1289 | |
1226 | static pointer |
1290 | static pointer |
1227 | mk_number (SCHEME_P_ const num n) |
1291 | mk_number (SCHEME_P_ const num n) |
1228 | { |
1292 | { |
|
|
1293 | #if USE_REAL |
1229 | if (num_is_fixnum (n)) |
1294 | return num_is_fixnum (n) |
|
|
1295 | ? mk_integer (SCHEME_A_ num_ivalue (n)) |
|
|
1296 | : mk_real (SCHEME_A_ num_rvalue (n)); |
|
|
1297 | #else |
1230 | return mk_integer (SCHEME_A_ num_get_ivalue (n)); |
1298 | return mk_integer (SCHEME_A_ num_ivalue (n)); |
1231 | else |
1299 | #endif |
1232 | return mk_real (SCHEME_A_ num_get_rvalue (n)); |
|
|
1233 | } |
1300 | } |
1234 | |
1301 | |
1235 | /* allocate name to string area */ |
1302 | /* allocate name to string area */ |
1236 | static char * |
1303 | static char * |
1237 | store_string (SCHEME_P_ uint32_t len_str, const char *str, char fill) |
1304 | store_string (SCHEME_P_ uint32_t len_str, const char *str, char fill) |
… | |
… | |
1413 | } |
1480 | } |
1414 | else if ((c == 'e') || (c == 'E')) |
1481 | else if ((c == 'e') || (c == 'E')) |
1415 | { |
1482 | { |
1416 | if (!has_fp_exp) |
1483 | if (!has_fp_exp) |
1417 | { |
1484 | { |
1418 | has_dec_point = 1; /* decimal point illegal |
1485 | has_dec_point = 1; /* decimal point illegal from now on */ |
1419 | from now on */ |
|
|
1420 | p++; |
1486 | p++; |
1421 | |
1487 | |
1422 | if ((*p == '-') || (*p == '+') || isdigit (*p)) |
1488 | if ((*p == '-') || (*p == '+') || isdigit (*p)) |
1423 | continue; |
1489 | continue; |
1424 | } |
1490 | } |
… | |
… | |
1620 | if (is_mark (p)) |
1686 | if (is_mark (p)) |
1621 | clrmark (p); |
1687 | clrmark (p); |
1622 | else |
1688 | else |
1623 | { |
1689 | { |
1624 | /* reclaim cell */ |
1690 | /* reclaim cell */ |
1625 | if (typeflag (p) != T_FREE) |
1691 | if (typeflag (p) != T_PAIR) |
1626 | { |
1692 | { |
1627 | finalize_cell (SCHEME_A_ p); |
1693 | finalize_cell (SCHEME_A_ p); |
1628 | set_typeflag (p, T_FREE); |
1694 | set_typeflag (p, T_PAIR); |
1629 | set_car (p, NIL); |
1695 | set_car (p, NIL); |
1630 | } |
1696 | } |
1631 | |
1697 | |
1632 | ++SCHEME_V->fcells; |
1698 | ++SCHEME_V->fcells; |
1633 | set_cdr (p, SCHEME_V->free_cell); |
1699 | set_cdr (p, SCHEME_V->free_cell); |
… | |
… | |
1635 | } |
1701 | } |
1636 | } |
1702 | } |
1637 | } |
1703 | } |
1638 | |
1704 | |
1639 | if (SCHEME_V->gc_verbose) |
1705 | if (SCHEME_V->gc_verbose) |
|
|
1706 | { |
1640 | xwrstr ("done: "); xwrnum (SCHEME_V->fcells); xwrstr (" cells were recovered.\n"); |
1707 | xwrstr ("done: "); xwrnum (SCHEME_V->fcells); xwrstr (" cells were recovered.\n"); |
|
|
1708 | } |
1641 | } |
1709 | } |
1642 | |
1710 | |
1643 | static void |
1711 | static void |
1644 | finalize_cell (SCHEME_P_ pointer a) |
1712 | finalize_cell (SCHEME_P_ pointer a) |
1645 | { |
1713 | { |
… | |
… | |
2480 | { |
2548 | { |
2481 | p = SCHEME_V->strbuff; |
2549 | p = SCHEME_V->strbuff; |
2482 | |
2550 | |
2483 | if (f <= 1 || f == 10) /* f is the base for numbers if > 1 */ |
2551 | if (f <= 1 || f == 10) /* f is the base for numbers if > 1 */ |
2484 | { |
2552 | { |
2485 | if (num_is_integer (l)) |
2553 | if (is_integer (l)) |
2486 | xnum (p, ivalue_unchecked (l)); |
2554 | xnum (p, ivalue_unchecked (l)); |
2487 | #if USE_REAL |
2555 | #if USE_REAL |
2488 | else |
2556 | else |
2489 | { |
2557 | { |
2490 | snprintf (p, STRBUFFSIZE, "%.10g", rvalue_unchecked (l)); |
2558 | snprintf (p, STRBUFFSIZE, "%.10g", rvalue_unchecked (l)); |
… | |
… | |
2745 | return 0; |
2813 | return 0; |
2746 | } |
2814 | } |
2747 | else if (is_number (a)) |
2815 | else if (is_number (a)) |
2748 | { |
2816 | { |
2749 | if (is_number (b)) |
2817 | if (is_number (b)) |
2750 | if (num_is_integer (a) == num_is_integer (b)) |
|
|
2751 | return num_cmp (nvalue (a), nvalue (b)) == 0; |
2818 | return num_cmp (nvalue (a), nvalue (b)) == 0; |
2752 | |
2819 | |
2753 | return 0; |
2820 | return 0; |
2754 | } |
2821 | } |
2755 | else if (is_character (a)) |
2822 | else if (is_character (a)) |
2756 | { |
2823 | { |
… | |
… | |
3132 | int i = 0; |
3199 | int i = 0; |
3133 | struct dump_stack_frame *frame = SCHEME_V->dump_base; |
3200 | struct dump_stack_frame *frame = SCHEME_V->dump_base; |
3134 | |
3201 | |
3135 | while (cont != NIL) |
3202 | while (cont != NIL) |
3136 | { |
3203 | { |
3137 | frame->op = ivalue (car (cont)); cont = cdr (cont); |
3204 | frame->op = ivalue_unchecked (car (cont)); cont = cdr (cont); |
3138 | frame->args = car (cont) ; cont = cdr (cont); |
3205 | frame->args = car (cont) ; cont = cdr (cont); |
3139 | frame->envir = car (cont) ; cont = cdr (cont); |
3206 | frame->envir = car (cont) ; cont = cdr (cont); |
3140 | frame->code = car (cont) ; cont = cdr (cont); |
3207 | frame->code = car (cont) ; cont = cdr (cont); |
3141 | |
3208 | |
3142 | ++frame; |
3209 | ++frame; |
3143 | ++i; |
3210 | ++i; |
3144 | } |
3211 | } |
3145 | |
3212 | |
… | |
… | |
3174 | SCHEME_V->value = a; |
3241 | SCHEME_V->value = a; |
3175 | |
3242 | |
3176 | if (dump == NIL) |
3243 | if (dump == NIL) |
3177 | return -1; |
3244 | return -1; |
3178 | |
3245 | |
3179 | SCHEME_V->op = ivalue (car (dump)); dump = cdr (dump); |
3246 | SCHEME_V->op = ivalue_unchecked (car (dump)); dump = cdr (dump); |
3180 | SCHEME_V->args = car (dump) ; dump = cdr (dump); |
3247 | SCHEME_V->args = car (dump) ; dump = cdr (dump); |
3181 | SCHEME_V->envir = car (dump) ; dump = cdr (dump); |
3248 | SCHEME_V->envir = car (dump) ; dump = cdr (dump); |
3182 | SCHEME_V->code = car (dump) ; dump = cdr (dump); |
3249 | SCHEME_V->code = car (dump) ; dump = cdr (dump); |
3183 | |
3250 | |
3184 | SCHEME_V->dump = dump; |
3251 | SCHEME_V->dump = dump; |
3185 | |
3252 | |
3186 | return 0; |
3253 | return 0; |
3187 | } |
3254 | } |
… | |
… | |
3393 | |
3460 | |
3394 | case OP_TRACING: |
3461 | case OP_TRACING: |
3395 | { |
3462 | { |
3396 | int tr = SCHEME_V->tracing; |
3463 | int tr = SCHEME_V->tracing; |
3397 | |
3464 | |
3398 | SCHEME_V->tracing = ivalue (car (args)); |
3465 | SCHEME_V->tracing = ivalue_unchecked (car (args)); |
3399 | s_return (mk_integer (SCHEME_A_ tr)); |
3466 | s_return (mk_integer (SCHEME_A_ tr)); |
3400 | } |
3467 | } |
3401 | |
3468 | |
3402 | #endif |
3469 | #endif |
3403 | |
3470 | |
… | |
… | |
3922 | { |
3989 | { |
3923 | pointer args = SCHEME_V->args; |
3990 | pointer args = SCHEME_V->args; |
3924 | pointer x = car (args); |
3991 | pointer x = car (args); |
3925 | num v; |
3992 | num v; |
3926 | |
3993 | |
3927 | #if USE_MATH |
|
|
3928 | RVALUE dd; |
|
|
3929 | #endif |
|
|
3930 | |
|
|
3931 | switch (op) |
3994 | switch (op) |
3932 | { |
3995 | { |
3933 | #if USE_MATH |
3996 | #if USE_MATH |
3934 | case OP_INEX2EX: /* inexact->exact */ |
3997 | case OP_INEX2EX: /* inexact->exact */ |
|
|
3998 | { |
3935 | if (num_is_integer (x)) |
3999 | if (is_integer (x)) |
3936 | s_return (x); |
4000 | s_return (x); |
3937 | else if (modf (rvalue_unchecked (x), &dd) == 0) |
4001 | |
|
|
4002 | RVALUE r = rvalue_unchecked (x); |
|
|
4003 | |
|
|
4004 | if (r == (RVALUE)(IVALUE)r) |
3938 | s_return (mk_integer (SCHEME_A_ ivalue (x))); |
4005 | s_return (mk_integer (SCHEME_A_ rvalue_unchecked (x))); |
3939 | else |
4006 | else |
3940 | Error_1 ("inexact->exact: not integral:", x); |
4007 | Error_1 ("inexact->exact: not integral:", x); |
|
|
4008 | } |
3941 | |
4009 | |
3942 | case OP_EXP: s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
4010 | case OP_EXP: s_return (mk_real (SCHEME_A_ exp (rvalue (x)))); |
3943 | case OP_LOG: s_return (mk_real (SCHEME_A_ log (rvalue (x)))); |
4011 | case OP_LOG: s_return (mk_real (SCHEME_A_ log (rvalue (x)))); |
3944 | case OP_SIN: s_return (mk_real (SCHEME_A_ sin (rvalue (x)))); |
4012 | case OP_SIN: s_return (mk_real (SCHEME_A_ sin (rvalue (x)))); |
3945 | case OP_COS: s_return (mk_real (SCHEME_A_ cos (rvalue (x)))); |
4013 | case OP_COS: s_return (mk_real (SCHEME_A_ cos (rvalue (x)))); |
… | |
… | |
3963 | { |
4031 | { |
3964 | RVALUE result; |
4032 | RVALUE result; |
3965 | int real_result = 1; |
4033 | int real_result = 1; |
3966 | pointer y = cadr (args); |
4034 | pointer y = cadr (args); |
3967 | |
4035 | |
3968 | if (num_is_integer (x) && num_is_integer (y)) |
4036 | if (is_integer (x) && is_integer (y)) |
3969 | real_result = 0; |
4037 | real_result = 0; |
3970 | |
4038 | |
3971 | /* This 'if' is an R5RS compatibility fix. */ |
4039 | /* This 'if' is an R5RS compatibility fix. */ |
3972 | /* NOTE: Remove this 'if' fix for R6RS. */ |
4040 | /* NOTE: Remove this 'if' fix for R6RS. */ |
3973 | if (rvalue (x) == 0 && rvalue (y) < 0) |
4041 | if (rvalue (x) == 0 && rvalue (y) < 0) |
… | |
… | |
3979 | /* If the test fails, result is too big for integer. */ |
4047 | /* If the test fails, result is too big for integer. */ |
3980 | if (!real_result) |
4048 | if (!real_result) |
3981 | { |
4049 | { |
3982 | long result_as_long = result; |
4050 | long result_as_long = result; |
3983 | |
4051 | |
3984 | if (result != (RVALUE) result_as_long) |
4052 | if (result != result_as_long) |
3985 | real_result = 1; |
4053 | real_result = 1; |
3986 | } |
4054 | } |
3987 | |
4055 | |
3988 | if (real_result) |
4056 | if (real_result) |
3989 | s_return (mk_real (SCHEME_A_ result)); |
4057 | s_return (mk_real (SCHEME_A_ result)); |
… | |
… | |
3994 | case OP_FLOOR: s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
4062 | case OP_FLOOR: s_return (mk_real (SCHEME_A_ floor (rvalue (x)))); |
3995 | case OP_CEILING: s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
4063 | case OP_CEILING: s_return (mk_real (SCHEME_A_ ceil (rvalue (x)))); |
3996 | |
4064 | |
3997 | case OP_TRUNCATE: |
4065 | case OP_TRUNCATE: |
3998 | { |
4066 | { |
3999 | RVALUE rvalue_of_x; |
4067 | RVALUE n = rvalue (x); |
4000 | |
|
|
4001 | rvalue_of_x = rvalue (x); |
|
|
4002 | |
|
|
4003 | if (rvalue_of_x > 0) |
|
|
4004 | s_return (mk_real (SCHEME_A_ floor (rvalue_of_x))); |
4068 | s_return (mk_real (SCHEME_A_ n > 0 ? floor (n) : ceil (n))); |
4005 | else |
|
|
4006 | s_return (mk_real (SCHEME_A_ ceil (rvalue_of_x))); |
|
|
4007 | } |
4069 | } |
4008 | |
4070 | |
4009 | case OP_ROUND: |
4071 | case OP_ROUND: |
4010 | if (num_is_integer (x)) |
4072 | if (is_integer (x)) |
4011 | s_return (x); |
4073 | s_return (x); |
4012 | |
4074 | |
4013 | s_return (mk_real (SCHEME_A_ round_per_R5RS (rvalue (x)))); |
4075 | s_return (mk_real (SCHEME_A_ round_per_R5RS (rvalue (x)))); |
4014 | #endif |
4076 | #endif |
4015 | |
4077 | |
… | |
… | |
4135 | } |
4197 | } |
4136 | else |
4198 | else |
4137 | Error_0 ("set-cdr!: unable to alter immutable pair"); |
4199 | Error_0 ("set-cdr!: unable to alter immutable pair"); |
4138 | |
4200 | |
4139 | case OP_CHAR2INT: /* char->integer */ |
4201 | case OP_CHAR2INT: /* char->integer */ |
4140 | s_return (mk_integer (SCHEME_A_ ivalue (x))); |
4202 | s_return (mk_integer (SCHEME_A_ ivalue_unchecked (x))); |
4141 | |
4203 | |
4142 | case OP_INT2CHAR: /* integer->char */ |
4204 | case OP_INT2CHAR: /* integer->char */ |
4143 | s_return (mk_character (SCHEME_A_ ivalue (x))); |
4205 | s_return (mk_character (SCHEME_A_ ivalue_unchecked (x))); |
4144 | |
4206 | |
4145 | case OP_CHARUPCASE: |
4207 | case OP_CHARUPCASE: |
4146 | { |
4208 | { |
4147 | unsigned char c = ivalue (x); |
4209 | unsigned char c = ivalue_unchecked (x); |
4148 | c = toupper (c); |
4210 | c = toupper (c); |
4149 | s_return (mk_character (SCHEME_A_ c)); |
4211 | s_return (mk_character (SCHEME_A_ c)); |
4150 | } |
4212 | } |
4151 | |
4213 | |
4152 | case OP_CHARDNCASE: |
4214 | case OP_CHARDNCASE: |
4153 | { |
4215 | { |
4154 | unsigned char c = ivalue (x); |
4216 | unsigned char c = ivalue_unchecked (x); |
4155 | c = tolower (c); |
4217 | c = tolower (c); |
4156 | s_return (mk_character (SCHEME_A_ c)); |
4218 | s_return (mk_character (SCHEME_A_ c)); |
4157 | } |
4219 | } |
4158 | |
4220 | |
4159 | case OP_STR2SYM: /* string->symbol */ |
4221 | case OP_STR2SYM: /* string->symbol */ |
… | |
… | |
4236 | Error_1 ("atom->string: not an atom:", x); |
4298 | Error_1 ("atom->string: not an atom:", x); |
4237 | } |
4299 | } |
4238 | |
4300 | |
4239 | case OP_MKSTRING: /* make-string */ |
4301 | case OP_MKSTRING: /* make-string */ |
4240 | { |
4302 | { |
4241 | int fill = ' '; |
4303 | int fill = cdr (args) != NIL ? charvalue (cadr (args)) : ' '; |
4242 | int len; |
|
|
4243 | |
|
|
4244 | len = ivalue (x); |
4304 | int len = ivalue_unchecked (x); |
4245 | |
|
|
4246 | if (cdr (args) != NIL) |
|
|
4247 | fill = charvalue (cadr (args)); |
|
|
4248 | |
4305 | |
4249 | s_return (mk_empty_string (SCHEME_A_ len, fill)); |
4306 | s_return (mk_empty_string (SCHEME_A_ len, fill)); |
4250 | } |
4307 | } |
4251 | |
4308 | |
4252 | case OP_STRLEN: /* string-length */ |
4309 | case OP_STRLEN: /* string-length */ |
4253 | s_return (mk_integer (SCHEME_A_ strlength (x))); |
4310 | s_return (mk_integer (SCHEME_A_ strlength (x))); |
4254 | |
4311 | |
4255 | case OP_STRREF: /* string-ref */ |
4312 | case OP_STRREF: /* string-ref */ |
4256 | { |
4313 | { |
4257 | char *str; |
|
|
4258 | int index; |
|
|
4259 | |
|
|
4260 | str = strvalue (x); |
4314 | char *str = strvalue (x); |
4261 | |
|
|
4262 | index = ivalue (cadr (args)); |
4315 | int index = ivalue_unchecked (cadr (args)); |
4263 | |
4316 | |
4264 | if (index >= strlength (x)) |
4317 | if (index >= strlength (x)) |
4265 | Error_1 ("string-ref: out of bounds:", cadr (args)); |
4318 | Error_1 ("string-ref: out of bounds:", cadr (args)); |
4266 | |
4319 | |
4267 | s_return (mk_character (SCHEME_A_ ((unsigned char *)str)[index])); |
4320 | s_return (mk_character (SCHEME_A_ ((unsigned char *)str)[index])); |
4268 | } |
4321 | } |
4269 | |
4322 | |
4270 | case OP_STRSET: /* string-set! */ |
4323 | case OP_STRSET: /* string-set! */ |
4271 | { |
4324 | { |
4272 | char *str; |
4325 | char *str = strvalue (x); |
4273 | int index; |
4326 | int index = ivalue_unchecked (cadr (args)); |
4274 | int c; |
4327 | int c; |
4275 | |
4328 | |
4276 | if (is_immutable (x)) |
4329 | if (is_immutable (x)) |
4277 | Error_1 ("string-set!: unable to alter immutable string:", x); |
4330 | Error_1 ("string-set!: unable to alter immutable string:", x); |
4278 | |
|
|
4279 | str = strvalue (x); |
|
|
4280 | |
|
|
4281 | index = ivalue (cadr (args)); |
|
|
4282 | |
4331 | |
4283 | if (index >= strlength (x)) |
4332 | if (index >= strlength (x)) |
4284 | Error_1 ("string-set!: out of bounds:", cadr (args)); |
4333 | Error_1 ("string-set!: out of bounds:", cadr (args)); |
4285 | |
4334 | |
4286 | c = charvalue (caddr (args)); |
4335 | c = charvalue (caddr (args)); |
… | |
… | |
4309 | s_return (newstr); |
4358 | s_return (newstr); |
4310 | } |
4359 | } |
4311 | |
4360 | |
4312 | case OP_SUBSTR: /* substring */ |
4361 | case OP_SUBSTR: /* substring */ |
4313 | { |
4362 | { |
4314 | char *str; |
4363 | char *str = strvalue (x); |
4315 | int index0; |
4364 | int index0 = ivalue_unchecked (cadr (args)); |
4316 | int index1; |
4365 | int index1; |
4317 | int len; |
4366 | int len; |
4318 | |
4367 | |
4319 | str = strvalue (x); |
|
|
4320 | |
|
|
4321 | index0 = ivalue (cadr (args)); |
|
|
4322 | |
|
|
4323 | if (index0 > strlength (x)) |
4368 | if (index0 > strlength (x)) |
4324 | Error_1 ("substring: start out of bounds:", cadr (args)); |
4369 | Error_1 ("substring: start out of bounds:", cadr (args)); |
4325 | |
4370 | |
4326 | if (cddr (args) != NIL) |
4371 | if (cddr (args) != NIL) |
4327 | { |
4372 | { |
4328 | index1 = ivalue (caddr (args)); |
4373 | index1 = ivalue_unchecked (caddr (args)); |
4329 | |
4374 | |
4330 | if (index1 > strlength (x) || index1 < index0) |
4375 | if (index1 > strlength (x) || index1 < index0) |
4331 | Error_1 ("substring: end out of bounds:", caddr (args)); |
4376 | Error_1 ("substring: end out of bounds:", caddr (args)); |
4332 | } |
4377 | } |
4333 | else |
4378 | else |
… | |
… | |
4364 | } |
4409 | } |
4365 | |
4410 | |
4366 | case OP_MKVECTOR: /* make-vector */ |
4411 | case OP_MKVECTOR: /* make-vector */ |
4367 | { |
4412 | { |
4368 | pointer fill = NIL; |
4413 | pointer fill = NIL; |
4369 | int len; |
|
|
4370 | pointer vec; |
4414 | pointer vec; |
4371 | |
|
|
4372 | len = ivalue (x); |
4415 | int len = ivalue_unchecked (x); |
4373 | |
4416 | |
4374 | if (cdr (args) != NIL) |
4417 | if (cdr (args) != NIL) |
4375 | fill = cadr (args); |
4418 | fill = cadr (args); |
4376 | |
4419 | |
4377 | vec = mk_vector (SCHEME_A_ len); |
4420 | vec = mk_vector (SCHEME_A_ len); |
… | |
… | |
4390 | case OP_VECLEN: /* vector-length */ |
4433 | case OP_VECLEN: /* vector-length */ |
4391 | s_return (mk_integer (SCHEME_A_ veclength (x))); |
4434 | s_return (mk_integer (SCHEME_A_ veclength (x))); |
4392 | |
4435 | |
4393 | case OP_VECREF: /* vector-ref */ |
4436 | case OP_VECREF: /* vector-ref */ |
4394 | { |
4437 | { |
4395 | int index; |
|
|
4396 | |
|
|
4397 | index = ivalue (cadr (args)); |
4438 | int index = ivalue_unchecked (cadr (args)); |
4398 | |
4439 | |
4399 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4440 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4400 | Error_1 ("vector-ref: out of bounds:", cadr (args)); |
4441 | Error_1 ("vector-ref: out of bounds:", cadr (args)); |
4401 | |
4442 | |
4402 | s_return (vector_elem (x, index)); |
4443 | s_return (vector_elem (x, index)); |
4403 | } |
4444 | } |
4404 | |
4445 | |
4405 | case OP_VECSET: /* vector-set! */ |
4446 | case OP_VECSET: /* vector-set! */ |
4406 | { |
4447 | { |
4407 | int index; |
4448 | int index = ivalue_unchecked (cadr (args)); |
4408 | |
4449 | |
4409 | if (is_immutable (x)) |
4450 | if (is_immutable (x)) |
4410 | Error_1 ("vector-set!: unable to alter immutable vector:", x); |
4451 | Error_1 ("vector-set!: unable to alter immutable vector:", x); |
4411 | |
|
|
4412 | index = ivalue (cadr (args)); |
|
|
4413 | |
4452 | |
4414 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4453 | if (index >= veclength (car (args)) && USE_ERROR_CHECKING) |
4415 | Error_1 ("vector-set!: out of bounds:", cadr (args)); |
4454 | Error_1 ("vector-set!: out of bounds:", cadr (args)); |
4416 | |
4455 | |
4417 | set_vector_elem (x, index, caddr (args)); |
4456 | set_vector_elem (x, index, caddr (args)); |
4418 | s_return (x); |
4457 | s_return (x); |
4419 | } |
4458 | } |
4420 | } |
4459 | } |
4421 | |
4460 | |
4422 | if (USE_ERROR_CHECKING) abort (); |
4461 | if (USE_ERROR_CHECKING) abort (); |
4423 | } |
|
|
4424 | |
|
|
4425 | INTERFACE int |
|
|
4426 | is_list (SCHEME_P_ pointer a) |
|
|
4427 | { |
|
|
4428 | return list_length (SCHEME_A_ a) >= 0; |
|
|
4429 | } |
|
|
4430 | |
|
|
4431 | /* Result is: |
|
|
4432 | proper list: length |
|
|
4433 | circular list: -1 |
|
|
4434 | not even a pair: -2 |
|
|
4435 | dotted list: -2 minus length before dot |
|
|
4436 | */ |
|
|
4437 | INTERFACE int |
|
|
4438 | list_length (SCHEME_P_ pointer a) |
|
|
4439 | { |
|
|
4440 | int i = 0; |
|
|
4441 | pointer slow, fast; |
|
|
4442 | |
|
|
4443 | slow = fast = a; |
|
|
4444 | |
|
|
4445 | while (1) |
|
|
4446 | { |
|
|
4447 | if (fast == NIL) |
|
|
4448 | return i; |
|
|
4449 | |
|
|
4450 | if (!is_pair (fast)) |
|
|
4451 | return -2 - i; |
|
|
4452 | |
|
|
4453 | fast = cdr (fast); |
|
|
4454 | ++i; |
|
|
4455 | |
|
|
4456 | if (fast == NIL) |
|
|
4457 | return i; |
|
|
4458 | |
|
|
4459 | if (!is_pair (fast)) |
|
|
4460 | return -2 - i; |
|
|
4461 | |
|
|
4462 | ++i; |
|
|
4463 | fast = cdr (fast); |
|
|
4464 | |
|
|
4465 | /* Safe because we would have already returned if `fast' |
|
|
4466 | encountered a non-pair. */ |
|
|
4467 | slow = cdr (slow); |
|
|
4468 | |
|
|
4469 | if (fast == slow) |
|
|
4470 | { |
|
|
4471 | /* the fast pointer has looped back around and caught up |
|
|
4472 | with the slow pointer, hence the structure is circular, |
|
|
4473 | not of finite length, and therefore not a list */ |
|
|
4474 | return -1; |
|
|
4475 | } |
|
|
4476 | } |
|
|
4477 | } |
4462 | } |
4478 | |
4463 | |
4479 | static int |
4464 | static int |
4480 | opexe_2 (SCHEME_P_ enum scheme_opcodes op) |
4465 | opexe_2 (SCHEME_P_ enum scheme_opcodes op) |
4481 | { |
4466 | { |
… | |
… | |
4527 | case OP_INTEGERP: /* integer? */ r = is_integer (a) ; break; |
4512 | case OP_INTEGERP: /* integer? */ r = is_integer (a) ; break; |
4528 | case OP_REALP: /* real? */ r = is_number (a) ; break; /* all numbers are real */ |
4513 | case OP_REALP: /* real? */ r = is_number (a) ; break; /* all numbers are real */ |
4529 | case OP_CHARP: /* char? */ r = is_character (a) ; break; |
4514 | case OP_CHARP: /* char? */ r = is_character (a) ; break; |
4530 | |
4515 | |
4531 | #if USE_CHAR_CLASSIFIERS |
4516 | #if USE_CHAR_CLASSIFIERS |
4532 | case OP_CHARAP: /* char-alphabetic? */ r = Cisalpha (ivalue (a)); break; |
4517 | case OP_CHARAP: /* char-alphabetic? */ r = Cisalpha (ivalue_unchecked (a)); break; |
4533 | case OP_CHARNP: /* char-numeric? */ r = Cisdigit (ivalue (a)); break; |
4518 | case OP_CHARNP: /* char-numeric? */ r = Cisdigit (ivalue_unchecked (a)); break; |
4534 | case OP_CHARWP: /* char-whitespace? */ r = Cisspace (ivalue (a)); break; |
4519 | case OP_CHARWP: /* char-whitespace? */ r = Cisspace (ivalue_unchecked (a)); break; |
4535 | case OP_CHARUP: /* char-upper-case? */ r = Cisupper (ivalue (a)); break; |
4520 | case OP_CHARUP: /* char-upper-case? */ r = Cisupper (ivalue_unchecked (a)); break; |
4536 | case OP_CHARLP: /* char-lower-case? */ r = Cislower (ivalue (a)); break; |
4521 | case OP_CHARLP: /* char-lower-case? */ r = Cislower (ivalue_unchecked (a)); break; |
4537 | #endif |
4522 | #endif |
4538 | |
4523 | |
4539 | #if USE_PORTS |
4524 | #if USE_PORTS |
4540 | case OP_PORTP: /* port? */ r = is_port (a) ; break; |
4525 | case OP_PORTP: /* port? */ r = is_port (a) ; break; |
4541 | case OP_INPORTP: /* input-port? */ r = is_inport (a) ; break; |
4526 | case OP_INPORTP: /* input-port? */ r = is_inport (a) ; break; |
… | |
… | |
4724 | |
4709 | |
4725 | case OP_QUIT: /* quit */ |
4710 | case OP_QUIT: /* quit */ |
4726 | if (is_pair (args)) |
4711 | if (is_pair (args)) |
4727 | SCHEME_V->retcode = ivalue (a); |
4712 | SCHEME_V->retcode = ivalue (a); |
4728 | |
4713 | |
|
|
4714 | exit(0);//D |
4729 | return -1; |
4715 | return -1; |
4730 | |
4716 | |
4731 | case OP_GC: /* gc */ |
4717 | case OP_GC: /* gc */ |
4732 | gc (SCHEME_A_ NIL, NIL); |
4718 | gc (SCHEME_A_ NIL, NIL); |
4733 | s_return (S_T); |
4719 | s_return (S_T); |
… | |
… | |
4742 | |
4728 | |
4743 | case OP_NEWSEGMENT: /* new-segment */ |
4729 | case OP_NEWSEGMENT: /* new-segment */ |
4744 | if (!is_pair (args) || !is_number (a)) |
4730 | if (!is_pair (args) || !is_number (a)) |
4745 | Error_0 ("new-segment: argument must be a number"); |
4731 | Error_0 ("new-segment: argument must be a number"); |
4746 | |
4732 | |
4747 | alloc_cellseg (SCHEME_A_ (int)ivalue (a)); |
4733 | alloc_cellseg (SCHEME_A_ ivalue (a)); |
4748 | |
4734 | |
4749 | s_return (S_T); |
4735 | s_return (S_T); |
4750 | |
4736 | |
4751 | case OP_OBLIST: /* oblist */ |
4737 | case OP_OBLIST: /* oblist */ |
4752 | s_return (oblist_all_symbols (SCHEME_A)); |
4738 | s_return (oblist_all_symbols (SCHEME_A)); |
… | |
… | |
5282 | /* dispatch functions (opexe_x) return new opcode, or 0 for same opcode, or -1 to stop */ |
5268 | /* dispatch functions (opexe_x) return new opcode, or 0 for same opcode, or -1 to stop */ |
5283 | typedef int (*dispatch_func)(SCHEME_P_ enum scheme_opcodes); |
5269 | typedef int (*dispatch_func)(SCHEME_P_ enum scheme_opcodes); |
5284 | |
5270 | |
5285 | typedef int (*test_predicate)(pointer); |
5271 | typedef int (*test_predicate)(pointer); |
5286 | static int |
5272 | static int |
5287 | is_any (pointer p) |
5273 | tst_any (pointer p) |
5288 | { |
5274 | { |
5289 | return 1; |
5275 | return 1; |
5290 | } |
5276 | } |
5291 | |
5277 | |
5292 | static int |
5278 | static int |
5293 | is_nonneg (pointer p) |
5279 | tst_inonneg (pointer p) |
5294 | { |
5280 | { |
5295 | return ivalue (p) >= 0 && is_integer (p); |
5281 | return is_integer (p) && ivalue_unchecked (p) >= 0; |
5296 | } |
5282 | } |
5297 | |
5283 | |
5298 | static int |
5284 | static int |
5299 | tst_is_list (pointer p) |
5285 | tst_is_list (SCHEME_P_ pointer p) |
5300 | { |
5286 | { |
5301 | return p == NIL || is_pair (p); |
5287 | return p == NIL || is_pair (p); |
5302 | } |
5288 | } |
5303 | |
5289 | |
5304 | /* Correspond carefully with following defines! */ |
5290 | /* Correspond carefully with following defines! */ |
5305 | static struct |
5291 | static struct |
5306 | { |
5292 | { |
5307 | test_predicate fct; |
5293 | test_predicate fct; |
5308 | const char *kind; |
5294 | const char *kind; |
5309 | } tests[] = |
5295 | } tests[] = { |
5310 | { |
|
|
5311 | { is_any, 0 }, |
5296 | { tst_any , 0 }, |
5312 | { is_string, "string" }, |
5297 | { is_string , "string" }, |
5313 | { is_symbol, "symbol" }, |
5298 | { is_symbol , "symbol" }, |
5314 | { is_port, "port" }, |
5299 | { is_port , "port" }, |
5315 | { is_inport, "input port" }, |
5300 | { is_inport , "input port" }, |
5316 | { is_outport, "output port" }, |
5301 | { is_outport , "output port" }, |
5317 | { is_environment, "environment" }, |
5302 | { is_environment, "environment" }, |
5318 | { is_pair, "pair" }, |
5303 | { is_pair , "pair" }, |
5319 | { tst_is_list, "pair or '()" }, |
5304 | { 0 , "pair or '()" }, |
5320 | { is_character, "character" }, |
5305 | { is_character , "character" }, |
5321 | { is_vector, "vector" }, |
5306 | { is_vector , "vector" }, |
5322 | { is_number, "number" }, |
5307 | { is_number , "number" }, |
5323 | { is_integer, "integer" }, |
5308 | { is_integer , "integer" }, |
5324 | { is_nonneg, "non-negative integer" } |
5309 | { tst_inonneg , "non-negative integer" } |
5325 | }; |
5310 | }; |
5326 | |
5311 | |
5327 | #define TST_NONE 0 /* TST_NONE used for built-ins, 0 for internal ops */ |
5312 | #define TST_NONE 0 /* TST_NONE used for built-ins, 0 for internal ops */ |
5328 | #define TST_ANY "\001" |
5313 | #define TST_ANY "\001" |
5329 | #define TST_STRING "\002" |
5314 | #define TST_STRING "\002" |
… | |
… | |
5370 | typedef struct |
5355 | typedef struct |
5371 | { |
5356 | { |
5372 | uint8_t func; |
5357 | uint8_t func; |
5373 | /*dispatch_func func;*//*TODO: maybe optionally keep the pointer, for speed? */ |
5358 | /*dispatch_func func;*//*TODO: maybe optionally keep the pointer, for speed? */ |
5374 | uint8_t builtin; |
5359 | uint8_t builtin; |
|
|
5360 | #if USE_ERROR_CHECKING |
5375 | uint8_t min_arity; |
5361 | uint8_t min_arity; |
5376 | uint8_t max_arity; |
5362 | uint8_t max_arity; |
5377 | char arg_tests_encoding[3]; |
5363 | char arg_tests_encoding[3]; |
|
|
5364 | #endif |
5378 | } op_code_info; |
5365 | } op_code_info; |
5379 | |
5366 | |
5380 | static const op_code_info dispatch_table[] = { |
5367 | static const op_code_info dispatch_table[] = { |
|
|
5368 | #if USE_ERROR_CHECKING |
5381 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) { func, sizeof (name) > 1, minarity, maxarity, argtest }, |
5369 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) { func, sizeof (name) > 1, minarity, maxarity, argtest }, |
|
|
5370 | #else |
|
|
5371 | #define OP_DEF(func,name,minarity,maxarity,argtest,op) { func, sizeof (name) > 1 }, |
|
|
5372 | #endif |
5382 | #include "opdefines.h" |
5373 | #include "opdefines.h" |
5383 | #undef OP_DEF |
5374 | #undef OP_DEF |
5384 | {0} |
5375 | {0} |
5385 | }; |
5376 | }; |
5386 | |
5377 | |
… | |
… | |
5428 | { |
5419 | { |
5429 | pointer arg = car (arglist); |
5420 | pointer arg = car (arglist); |
5430 | |
5421 | |
5431 | j = t[0]; |
5422 | j = t[0]; |
5432 | |
5423 | |
|
|
5424 | /*TODO: tst_is_list has different prototype - fix if other tests acquire same prototype */ |
|
|
5425 | if (j == TST_LIST[0]) |
|
|
5426 | { |
|
|
5427 | if (!tst_is_list (SCHEME_A_ arg)) |
|
|
5428 | break; |
|
|
5429 | } |
|
|
5430 | else |
|
|
5431 | { |
5433 | if (!tests[j - 1].fct (arg)) |
5432 | if (!tests[j - 1].fct (arg)) |
5434 | break; |
5433 | break; |
|
|
5434 | } |
5435 | |
5435 | |
5436 | if (t[1]) /* last test is replicated as necessary */ |
5436 | if (t[1]) /* last test is replicated as necessary */ |
5437 | t++; |
5437 | t++; |
5438 | |
5438 | |
5439 | arglist = cdr (arglist); |
5439 | arglist = cdr (arglist); |
… | |
… | |
5496 | mk_proc (SCHEME_P_ enum scheme_opcodes op) |
5496 | mk_proc (SCHEME_P_ enum scheme_opcodes op) |
5497 | { |
5497 | { |
5498 | pointer y = get_cell (SCHEME_A_ NIL, NIL); |
5498 | pointer y = get_cell (SCHEME_A_ NIL, NIL); |
5499 | set_typeflag (y, (T_PROC | T_ATOM)); |
5499 | set_typeflag (y, (T_PROC | T_ATOM)); |
5500 | ivalue_unchecked (y) = op; |
5500 | ivalue_unchecked (y) = op; |
5501 | set_num_integer (y); |
|
|
5502 | return y; |
5501 | return y; |
5503 | } |
5502 | } |
5504 | |
5503 | |
5505 | /* Hard-coded for the given keywords. Remember to rewrite if more are added! */ |
5504 | /* Hard-coded for the given keywords. Remember to rewrite if more are added! */ |
5506 | static int |
5505 | static int |