2 * Copyright © 2016 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
15 #include "ao_scheme.h"
20 builtin_size(void *addr)
23 return sizeof (struct ao_scheme_builtin);
27 builtin_mark(void *addr)
33 builtin_move(void *addr)
38 const struct ao_scheme_type ao_scheme_builtin_type = {
44 #ifdef AO_SCHEME_MAKE_CONST
46 #define AO_SCHEME_BUILTIN_CASENAME
47 #include "ao_scheme_builtin.h"
49 char *ao_scheme_args_name(uint8_t args) {
50 args &= AO_SCHEME_FUNC_MASK;
52 case AO_SCHEME_FUNC_LAMBDA: return ao_scheme_poly_atom(_ao_scheme_atom_lambda)->name;
53 case AO_SCHEME_FUNC_NLAMBDA: return ao_scheme_poly_atom(_ao_scheme_atom_nlambda)->name;
54 case AO_SCHEME_FUNC_MACRO: return ao_scheme_poly_atom(_ao_scheme_atom_macro)->name;
55 default: return "???";
60 #define AO_SCHEME_BUILTIN_ARRAYNAME
61 #include "ao_scheme_builtin.h"
64 ao_scheme_builtin_name(enum ao_scheme_builtin_id b) {
65 if (b < _builtin_last)
66 return ao_scheme_poly_atom(builtin_names[b])->name;
70 static const ao_poly ao_scheme_args_atoms[] = {
71 [AO_SCHEME_FUNC_LAMBDA] = _ao_scheme_atom_lambda,
72 [AO_SCHEME_FUNC_NLAMBDA] = _ao_scheme_atom_nlambda,
73 [AO_SCHEME_FUNC_MACRO] = _ao_scheme_atom_macro,
77 ao_scheme_args_name(uint8_t args)
79 args &= AO_SCHEME_FUNC_MASK;
80 if (args < sizeof ao_scheme_args_atoms / sizeof ao_scheme_args_atoms[0])
81 return ao_scheme_poly_atom(ao_scheme_args_atoms[args])->name;
87 ao_scheme_builtin_write(ao_poly b)
89 struct ao_scheme_builtin *builtin = ao_scheme_poly_builtin(b);
90 printf("%s", ao_scheme_builtin_name(builtin->func));
94 ao_scheme_check_argc(ao_poly name, struct ao_scheme_cons *cons, int min, int max)
98 while (cons && argc <= max) {
100 cons = ao_scheme_cons_cdr(cons);
102 if (argc < min || argc > max)
103 return ao_scheme_error(AO_SCHEME_INVALID, "%s: invalid arg count", ao_scheme_poly_atom(name)->name);
104 return _ao_scheme_bool_true;
108 ao_scheme_arg(struct ao_scheme_cons *cons, int argc)
111 return AO_SCHEME_NIL;
114 return AO_SCHEME_NIL;
115 cons = ao_scheme_cons_cdr(cons);
121 ao_scheme_check_argt(ao_poly name, struct ao_scheme_cons *cons, int argc, int type, int nil_ok)
123 ao_poly car = ao_scheme_arg(cons, argc);
125 if ((!car && !nil_ok) || ao_scheme_poly_type(car) != type)
126 return ao_scheme_error(AO_SCHEME_INVALID, "%s: arg %d invalid type %v", ao_scheme_poly_atom(name)->name, argc, car);
127 return _ao_scheme_bool_true;
131 ao_scheme_do_car(struct ao_scheme_cons *cons)
133 if (!ao_scheme_check_argc(_ao_scheme_atom_car, cons, 1, 1))
134 return AO_SCHEME_NIL;
135 if (!ao_scheme_check_argt(_ao_scheme_atom_car, cons, 0, AO_SCHEME_CONS, 0))
136 return AO_SCHEME_NIL;
137 return ao_scheme_poly_cons(cons->car)->car;
141 ao_scheme_do_cdr(struct ao_scheme_cons *cons)
143 if (!ao_scheme_check_argc(_ao_scheme_atom_cdr, cons, 1, 1))
144 return AO_SCHEME_NIL;
145 if (!ao_scheme_check_argt(_ao_scheme_atom_cdr, cons, 0, AO_SCHEME_CONS, 0))
146 return AO_SCHEME_NIL;
147 return ao_scheme_poly_cons(cons->car)->cdr;
151 ao_scheme_do_cons(struct ao_scheme_cons *cons)
154 if(!ao_scheme_check_argc(_ao_scheme_atom_cons, cons, 2, 2))
155 return AO_SCHEME_NIL;
156 car = ao_scheme_arg(cons, 0);
157 cdr = ao_scheme_arg(cons, 1);
158 return ao_scheme__cons(car, cdr);
162 ao_scheme_do_last(struct ao_scheme_cons *cons)
164 struct ao_scheme_cons *list;
165 if (!ao_scheme_check_argc(_ao_scheme_atom_last, cons, 1, 1))
166 return AO_SCHEME_NIL;
167 if (!ao_scheme_check_argt(_ao_scheme_atom_last, cons, 0, AO_SCHEME_CONS, 1))
168 return AO_SCHEME_NIL;
169 for (list = ao_scheme_poly_cons(ao_scheme_arg(cons, 0));
171 list = ao_scheme_cons_cdr(list))
176 return AO_SCHEME_NIL;
180 ao_scheme_do_length(struct ao_scheme_cons *cons)
182 if (!ao_scheme_check_argc(_ao_scheme_atom_length, cons, 1, 1))
183 return AO_SCHEME_NIL;
184 if (!ao_scheme_check_argt(_ao_scheme_atom_length, cons, 0, AO_SCHEME_CONS, 1))
185 return AO_SCHEME_NIL;
186 return ao_scheme_int_poly(ao_scheme_cons_length(ao_scheme_poly_cons(ao_scheme_arg(cons, 0))));
190 ao_scheme_do_quote(struct ao_scheme_cons *cons)
192 if (!ao_scheme_check_argc(_ao_scheme_atom_quote, cons, 1, 1))
193 return AO_SCHEME_NIL;
194 return ao_scheme_arg(cons, 0);
198 ao_scheme_do_set(struct ao_scheme_cons *cons)
200 if (!ao_scheme_check_argc(_ao_scheme_atom_set, cons, 2, 2))
201 return AO_SCHEME_NIL;
202 if (!ao_scheme_check_argt(_ao_scheme_atom_set, cons, 0, AO_SCHEME_ATOM, 0))
203 return AO_SCHEME_NIL;
205 return ao_scheme_atom_set(ao_scheme_arg(cons, 0), ao_scheme_arg(cons, 1));
209 ao_scheme_do_def(struct ao_scheme_cons *cons)
211 if (!ao_scheme_check_argc(_ao_scheme_atom_def, cons, 2, 2))
212 return AO_SCHEME_NIL;
213 if (!ao_scheme_check_argt(_ao_scheme_atom_def, cons, 0, AO_SCHEME_ATOM, 0))
214 return AO_SCHEME_NIL;
216 return ao_scheme_atom_def(ao_scheme_arg(cons, 0), ao_scheme_arg(cons, 1));
220 ao_scheme_do_setq(struct ao_scheme_cons *cons)
223 if (!ao_scheme_check_argc(_ao_scheme_atom_set21, cons, 2, 2))
224 return AO_SCHEME_NIL;
226 if (ao_scheme_poly_type(name) != AO_SCHEME_ATOM)
227 return ao_scheme_error(AO_SCHEME_INVALID, "set! of non-atom %v", name);
228 if (!ao_scheme_atom_ref(name, NULL))
229 return ao_scheme_error(AO_SCHEME_INVALID, "atom %v not defined", name);
230 return ao_scheme__cons(_ao_scheme_atom_set,
231 ao_scheme__cons(ao_scheme__cons(_ao_scheme_atom_quote,
232 ao_scheme__cons(name, AO_SCHEME_NIL)),
237 ao_scheme_do_cond(struct ao_scheme_cons *cons)
239 ao_scheme_set_cond(cons);
240 return AO_SCHEME_NIL;
244 ao_scheme_do_begin(struct ao_scheme_cons *cons)
246 ao_scheme_stack->state = eval_begin;
247 ao_scheme_stack->sexprs = ao_scheme_cons_poly(cons);
248 return AO_SCHEME_NIL;
252 ao_scheme_do_while(struct ao_scheme_cons *cons)
254 ao_scheme_stack->state = eval_while;
255 ao_scheme_stack->sexprs = ao_scheme_cons_poly(cons);
256 return AO_SCHEME_NIL;
260 ao_scheme_do_write(struct ao_scheme_cons *cons)
262 ao_poly val = AO_SCHEME_NIL;
265 ao_scheme_poly_write(val);
266 cons = ao_scheme_cons_cdr(cons);
271 return _ao_scheme_bool_true;
275 ao_scheme_do_display(struct ao_scheme_cons *cons)
277 ao_poly val = AO_SCHEME_NIL;
280 ao_scheme_poly_display(val);
281 cons = ao_scheme_cons_cdr(cons);
283 return _ao_scheme_bool_true;
287 ao_scheme_math(struct ao_scheme_cons *orig_cons, enum ao_scheme_builtin_id op)
289 struct ao_scheme_cons *cons = cons;
290 ao_poly ret = AO_SCHEME_NIL;
292 for (cons = orig_cons; cons; cons = ao_scheme_cons_cdr(cons)) {
293 ao_poly car = cons->car;
294 uint8_t rt = ao_scheme_poly_type(ret);
295 uint8_t ct = ao_scheme_poly_type(car);
297 if (cons == orig_cons) {
299 if (cons->cdr == AO_SCHEME_NIL) {
302 if (ao_scheme_integer_typep(ct))
303 ret = ao_scheme_integer_poly(-ao_scheme_poly_integer(ret));
304 else if (ct == AO_SCHEME_FLOAT)
305 ret = ao_scheme_float_get(-ao_scheme_poly_number(ret));
308 if (ao_scheme_integer_typep(ct) && ao_scheme_poly_integer(ret) == 1)
310 else if (ao_scheme_number_typep(ct)) {
311 float v = ao_scheme_poly_number(ret);
312 ret = ao_scheme_float_get(1/v);
319 } else if (ao_scheme_integer_typep(rt) && ao_scheme_integer_typep(ct)) {
320 int32_t r = ao_scheme_poly_integer(ret);
321 int32_t c = ao_scheme_poly_integer(car);
328 if (r < AO_SCHEME_MIN_BIGINT || AO_SCHEME_MAX_BIGINT < r)
336 t = (int64_t) r * (int64_t) c;
337 if (t < AO_SCHEME_MIN_BIGINT || AO_SCHEME_MAX_BIGINT < t)
342 if (c != 0 && (r % c) == 0)
347 case builtin_quotient:
349 return ao_scheme_error(AO_SCHEME_DIVIDE_BY_ZERO, "quotient by zero");
350 if (r % c != 0 && (c < 0) != (r < 0))
355 case builtin_remainder:
357 return ao_scheme_error(AO_SCHEME_DIVIDE_BY_ZERO, "remainder by zero");
362 return ao_scheme_error(AO_SCHEME_DIVIDE_BY_ZERO, "modulo by zero");
364 if ((r < 0) != (c < 0))
370 ret = ao_scheme_integer_poly(r);
371 } else if (ao_scheme_number_typep(rt) && ao_scheme_number_typep(ct)) {
374 r = ao_scheme_poly_number(ret);
375 c = ao_scheme_poly_number(car);
389 case builtin_quotient:
390 case builtin_remainder:
392 return ao_scheme_error(AO_SCHEME_INVALID, "non-integer value in integer divide");
396 ret = ao_scheme_float_get(r);
399 else if (rt == AO_SCHEME_STRING && ct == AO_SCHEME_STRING && op == builtin_plus)
400 ret = ao_scheme_string_poly(ao_scheme_string_cat(ao_scheme_poly_string(ret),
401 ao_scheme_poly_string(car)));
403 return ao_scheme_error(AO_SCHEME_INVALID, "invalid args");
409 ao_scheme_do_plus(struct ao_scheme_cons *cons)
411 return ao_scheme_math(cons, builtin_plus);
415 ao_scheme_do_minus(struct ao_scheme_cons *cons)
417 return ao_scheme_math(cons, builtin_minus);
421 ao_scheme_do_times(struct ao_scheme_cons *cons)
423 return ao_scheme_math(cons, builtin_times);
427 ao_scheme_do_divide(struct ao_scheme_cons *cons)
429 return ao_scheme_math(cons, builtin_divide);
433 ao_scheme_do_quotient(struct ao_scheme_cons *cons)
435 return ao_scheme_math(cons, builtin_quotient);
439 ao_scheme_do_modulo(struct ao_scheme_cons *cons)
441 return ao_scheme_math(cons, builtin_modulo);
445 ao_scheme_do_remainder(struct ao_scheme_cons *cons)
447 return ao_scheme_math(cons, builtin_remainder);
451 ao_scheme_compare(struct ao_scheme_cons *cons, enum ao_scheme_builtin_id op)
456 return _ao_scheme_bool_true;
459 for (cons = ao_scheme_cons_cdr(cons); cons; cons = ao_scheme_cons_cdr(cons)) {
460 ao_poly right = cons->car;
462 if (op == builtin_equal) {
464 return _ao_scheme_bool_false;
466 uint8_t lt = ao_scheme_poly_type(left);
467 uint8_t rt = ao_scheme_poly_type(right);
468 if (ao_scheme_integer_typep(lt) && ao_scheme_integer_typep(rt)) {
469 int32_t l = ao_scheme_poly_integer(left);
470 int32_t r = ao_scheme_poly_integer(right);
475 return _ao_scheme_bool_false;
477 case builtin_greater:
479 return _ao_scheme_bool_false;
481 case builtin_less_equal:
483 return _ao_scheme_bool_false;
485 case builtin_greater_equal:
487 return _ao_scheme_bool_false;
492 } else if (lt == AO_SCHEME_STRING && rt == AO_SCHEME_STRING) {
493 int c = strcmp(ao_scheme_poly_string(left),
494 ao_scheme_poly_string(right));
498 return _ao_scheme_bool_false;
500 case builtin_greater:
502 return _ao_scheme_bool_false;
504 case builtin_less_equal:
506 return _ao_scheme_bool_false;
508 case builtin_greater_equal:
510 return _ao_scheme_bool_false;
519 return _ao_scheme_bool_true;
523 ao_scheme_do_equal(struct ao_scheme_cons *cons)
525 return ao_scheme_compare(cons, builtin_equal);
529 ao_scheme_do_less(struct ao_scheme_cons *cons)
531 return ao_scheme_compare(cons, builtin_less);
535 ao_scheme_do_greater(struct ao_scheme_cons *cons)
537 return ao_scheme_compare(cons, builtin_greater);
541 ao_scheme_do_less_equal(struct ao_scheme_cons *cons)
543 return ao_scheme_compare(cons, builtin_less_equal);
547 ao_scheme_do_greater_equal(struct ao_scheme_cons *cons)
549 return ao_scheme_compare(cons, builtin_greater_equal);
553 ao_scheme_do_list_to_string(struct ao_scheme_cons *cons)
555 if (!ao_scheme_check_argc(_ao_scheme_atom_list2d3estring, cons, 1, 1))
556 return AO_SCHEME_NIL;
557 if (!ao_scheme_check_argt(_ao_scheme_atom_list2d3estring, cons, 0, AO_SCHEME_CONS, 1))
558 return AO_SCHEME_NIL;
559 return ao_scheme_string_pack(ao_scheme_poly_cons(ao_scheme_arg(cons, 0)));
563 ao_scheme_do_string_to_list(struct ao_scheme_cons *cons)
565 if (!ao_scheme_check_argc(_ao_scheme_atom_string2d3elist, cons, 1, 1))
566 return AO_SCHEME_NIL;
567 if (!ao_scheme_check_argt(_ao_scheme_atom_string2d3elist, cons, 0, AO_SCHEME_STRING, 0))
568 return AO_SCHEME_NIL;
569 return ao_scheme_string_unpack(ao_scheme_poly_string(ao_scheme_arg(cons, 0)));
573 ao_scheme_do_flush_output(struct ao_scheme_cons *cons)
575 if (!ao_scheme_check_argc(_ao_scheme_atom_flush2doutput, cons, 0, 0))
576 return AO_SCHEME_NIL;
577 ao_scheme_os_flush();
578 return _ao_scheme_bool_true;
582 ao_scheme_do_led(struct ao_scheme_cons *cons)
585 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1))
586 return AO_SCHEME_NIL;
587 if (!ao_scheme_check_argt(_ao_scheme_atom_led, cons, 0, AO_SCHEME_INT, 0))
588 return AO_SCHEME_NIL;
589 led = ao_scheme_arg(cons, 0);
590 ao_scheme_os_led(ao_scheme_poly_int(led));
595 ao_scheme_do_delay(struct ao_scheme_cons *cons)
598 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1))
599 return AO_SCHEME_NIL;
600 if (!ao_scheme_check_argt(_ao_scheme_atom_led, cons, 0, AO_SCHEME_INT, 0))
601 return AO_SCHEME_NIL;
602 delay = ao_scheme_arg(cons, 0);
603 ao_scheme_os_delay(ao_scheme_poly_int(delay));
608 ao_scheme_do_eval(struct ao_scheme_cons *cons)
610 if (!ao_scheme_check_argc(_ao_scheme_atom_eval, cons, 1, 1))
611 return AO_SCHEME_NIL;
612 ao_scheme_stack->state = eval_sexpr;
617 ao_scheme_do_apply(struct ao_scheme_cons *cons)
619 if (!ao_scheme_check_argc(_ao_scheme_atom_apply, cons, 2, INT_MAX))
620 return AO_SCHEME_NIL;
621 ao_scheme_stack->state = eval_apply;
622 return ao_scheme_cons_poly(cons);
626 ao_scheme_do_read(struct ao_scheme_cons *cons)
628 if (!ao_scheme_check_argc(_ao_scheme_atom_read, cons, 0, 0))
629 return AO_SCHEME_NIL;
630 return ao_scheme_read();
634 ao_scheme_do_collect(struct ao_scheme_cons *cons)
638 free = ao_scheme_collect(AO_SCHEME_COLLECT_FULL);
639 return ao_scheme_int_poly(free);
643 ao_scheme_do_nullp(struct ao_scheme_cons *cons)
645 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1))
646 return AO_SCHEME_NIL;
647 if (ao_scheme_arg(cons, 0) == AO_SCHEME_NIL)
648 return _ao_scheme_bool_true;
650 return _ao_scheme_bool_false;
654 ao_scheme_do_not(struct ao_scheme_cons *cons)
656 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1))
657 return AO_SCHEME_NIL;
658 if (ao_scheme_arg(cons, 0) == _ao_scheme_bool_false)
659 return _ao_scheme_bool_true;
661 return _ao_scheme_bool_false;
665 ao_scheme_do_typep(int type, struct ao_scheme_cons *cons)
667 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1))
668 return AO_SCHEME_NIL;
669 if (ao_scheme_poly_type(ao_scheme_arg(cons, 0)) == type)
670 return _ao_scheme_bool_true;
671 return _ao_scheme_bool_false;
675 ao_scheme_do_pairp(struct ao_scheme_cons *cons)
678 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1))
679 return AO_SCHEME_NIL;
680 v = ao_scheme_arg(cons, 0);
681 if (v != AO_SCHEME_NIL && ao_scheme_poly_type(v) == AO_SCHEME_CONS)
682 return _ao_scheme_bool_true;
683 return _ao_scheme_bool_false;
687 ao_scheme_do_integerp(struct ao_scheme_cons *cons)
689 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1))
690 return AO_SCHEME_NIL;
691 switch (ao_scheme_poly_type(ao_scheme_arg(cons, 0))) {
693 case AO_SCHEME_BIGINT:
694 return _ao_scheme_bool_true;
696 return _ao_scheme_bool_false;
701 ao_scheme_do_numberp(struct ao_scheme_cons *cons)
703 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1))
704 return AO_SCHEME_NIL;
705 switch (ao_scheme_poly_type(ao_scheme_arg(cons, 0))) {
707 case AO_SCHEME_BIGINT:
708 case AO_SCHEME_FLOAT:
709 return _ao_scheme_bool_true;
711 return _ao_scheme_bool_false;
716 ao_scheme_do_stringp(struct ao_scheme_cons *cons)
718 return ao_scheme_do_typep(AO_SCHEME_STRING, cons);
722 ao_scheme_do_symbolp(struct ao_scheme_cons *cons)
724 return ao_scheme_do_typep(AO_SCHEME_ATOM, cons);
728 ao_scheme_do_booleanp(struct ao_scheme_cons *cons)
730 return ao_scheme_do_typep(AO_SCHEME_BOOL, cons);
734 ao_scheme_do_procedurep(struct ao_scheme_cons *cons)
736 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1))
737 return AO_SCHEME_NIL;
738 switch (ao_scheme_poly_type(ao_scheme_arg(cons, 0))) {
739 case AO_SCHEME_BUILTIN:
740 case AO_SCHEME_LAMBDA:
741 return _ao_scheme_bool_true;
743 return _ao_scheme_bool_false;
747 /* This one is special -- a list is either nil or
748 * a 'proper' list with only cons cells
751 ao_scheme_do_listp(struct ao_scheme_cons *cons)
754 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1))
755 return AO_SCHEME_NIL;
756 v = ao_scheme_arg(cons, 0);
758 if (v == AO_SCHEME_NIL)
759 return _ao_scheme_bool_true;
760 if (ao_scheme_poly_type(v) != AO_SCHEME_CONS)
761 return _ao_scheme_bool_false;
762 v = ao_scheme_poly_cons(v)->cdr;
767 ao_scheme_do_set_car(struct ao_scheme_cons *cons)
769 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 2, 2))
770 return AO_SCHEME_NIL;
771 if (!ao_scheme_check_argt(_ao_scheme_atom_led, cons, 0, AO_SCHEME_CONS, 0))
772 return AO_SCHEME_NIL;
773 return ao_scheme_poly_cons(ao_scheme_arg(cons, 0))->car = ao_scheme_arg(cons, 1);
777 ao_scheme_do_set_cdr(struct ao_scheme_cons *cons)
779 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 2, 2))
780 return AO_SCHEME_NIL;
781 if (!ao_scheme_check_argt(_ao_scheme_atom_led, cons, 0, AO_SCHEME_CONS, 0))
782 return AO_SCHEME_NIL;
783 return ao_scheme_poly_cons(ao_scheme_arg(cons, 0))->cdr = ao_scheme_arg(cons, 1);
787 ao_scheme_do_symbol_to_string(struct ao_scheme_cons *cons)
789 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1))
790 return AO_SCHEME_NIL;
791 if (!ao_scheme_check_argt(_ao_scheme_atom_led, cons, 0, AO_SCHEME_ATOM, 0))
792 return AO_SCHEME_NIL;
793 return ao_scheme_string_poly(ao_scheme_string_copy(ao_scheme_poly_atom(ao_scheme_arg(cons, 0))->name));
797 ao_scheme_do_string_to_symbol(struct ao_scheme_cons *cons)
799 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1))
800 return AO_SCHEME_NIL;
801 if (!ao_scheme_check_argt(_ao_scheme_atom_led, cons, 0, AO_SCHEME_STRING, 0))
802 return AO_SCHEME_NIL;
804 return ao_scheme_atom_poly(ao_scheme_atom_intern(ao_scheme_poly_string(ao_scheme_arg(cons, 0))));
808 ao_scheme_do_read_char(struct ao_scheme_cons *cons)
811 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 0, 0))
812 return AO_SCHEME_NIL;
814 return ao_scheme_int_poly(c);
818 ao_scheme_do_write_char(struct ao_scheme_cons *cons)
820 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1))
821 return AO_SCHEME_NIL;
822 if (!ao_scheme_check_argt(_ao_scheme_atom_led, cons, 0, AO_SCHEME_INT, 0))
823 return AO_SCHEME_NIL;
824 putchar(ao_scheme_poly_integer(ao_scheme_arg(cons, 0)));
825 return _ao_scheme_bool_true;
829 ao_scheme_do_exit(struct ao_scheme_cons *cons)
831 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 0, 0))
832 return AO_SCHEME_NIL;
833 ao_scheme_exception |= AO_SCHEME_EXIT;
834 return _ao_scheme_bool_true;
838 ao_scheme_do_current_jiffy(struct ao_scheme_cons *cons)
842 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 0, 0))
843 return AO_SCHEME_NIL;
844 jiffy = ao_scheme_os_jiffy();
845 return (ao_scheme_int_poly(jiffy));
849 ao_scheme_do_current_second(struct ao_scheme_cons *cons)
853 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 0, 0))
854 return AO_SCHEME_NIL;
855 second = ao_scheme_os_jiffy() / AO_SCHEME_JIFFIES_PER_SECOND;
856 return (ao_scheme_int_poly(second));
860 ao_scheme_do_jiffies_per_second(struct ao_scheme_cons *cons)
862 if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 0, 0))
863 return AO_SCHEME_NIL;
864 return (ao_scheme_int_poly(AO_SCHEME_JIFFIES_PER_SECOND));
867 #define AO_SCHEME_BUILTIN_FUNCS
868 #include "ao_scheme_builtin.h"