diff options
Diffstat (limited to 'src/scheme/ao_scheme_builtin.c')
| -rw-r--r-- | src/scheme/ao_scheme_builtin.c | 1137 |
1 files changed, 0 insertions, 1137 deletions
diff --git a/src/scheme/ao_scheme_builtin.c b/src/scheme/ao_scheme_builtin.c deleted file mode 100644 index 81fd9010..00000000 --- a/src/scheme/ao_scheme_builtin.c +++ /dev/null @@ -1,1137 +0,0 @@ -/* - * Copyright © 2016 Keith Packard <keithp@keithp.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ - -#include "ao_scheme.h" -#include <limits.h> -#include <math.h> - -static int -builtin_size(void *addr) -{ - (void) addr; - return sizeof (struct ao_scheme_builtin); -} - -static void -builtin_mark(void *addr) -{ - (void) addr; -} - -static void -builtin_move(void *addr) -{ - (void) addr; -} - -const struct ao_scheme_type ao_scheme_builtin_type = { - .size = builtin_size, - .mark = builtin_mark, - .move = builtin_move -}; - -#ifdef AO_SCHEME_MAKE_CONST - -#define AO_SCHEME_BUILTIN_CASENAME -#include "ao_scheme_builtin.h" - -char *ao_scheme_args_name(uint8_t args) { - args &= AO_SCHEME_FUNC_MASK; - switch (args) { - case AO_SCHEME_FUNC_LAMBDA: return ao_scheme_poly_atom(_ao_scheme_atom_lambda)->name; - case AO_SCHEME_FUNC_NLAMBDA: return ao_scheme_poly_atom(_ao_scheme_atom_nlambda)->name; - case AO_SCHEME_FUNC_MACRO: return ao_scheme_poly_atom(_ao_scheme_atom_macro)->name; - default: return (char *) "???"; - } -} -#else - -#define AO_SCHEME_BUILTIN_ARRAYNAME -#include "ao_scheme_builtin.h" - -static char * -ao_scheme_builtin_name(enum ao_scheme_builtin_id b) { - if (b < _builtin_last) - return ao_scheme_poly_atom(builtin_names[b])->name; - return (char *) "???"; -} - -static const ao_poly ao_scheme_args_atoms[] = { - [AO_SCHEME_FUNC_LAMBDA] = _ao_scheme_atom_lambda, - [AO_SCHEME_FUNC_NLAMBDA] = _ao_scheme_atom_nlambda, - [AO_SCHEME_FUNC_MACRO] = _ao_scheme_atom_macro, -}; - -char * -ao_scheme_args_name(uint8_t args) -{ - args &= AO_SCHEME_FUNC_MASK; - if (args < sizeof ao_scheme_args_atoms / sizeof ao_scheme_args_atoms[0]) - return ao_scheme_poly_atom(ao_scheme_args_atoms[args])->name; - return (char *) "(unknown)"; -} -#endif - -void -ao_scheme_builtin_write(ao_poly b, bool write) -{ - struct ao_scheme_builtin *builtin = ao_scheme_poly_builtin(b); - (void) write; - printf("%s", ao_scheme_builtin_name(builtin->func)); -} - -ao_poly -ao_scheme_check_argc(ao_poly name, struct ao_scheme_cons *cons, int min, int max) -{ - int argc = 0; - - while (cons && argc <= max) { - argc++; - cons = ao_scheme_cons_cdr(cons); - } - if (argc < min || argc > max) - return ao_scheme_error(AO_SCHEME_INVALID, "%s: invalid arg count", ao_scheme_poly_atom(name)->name); - return _ao_scheme_bool_true; -} - -ao_poly -ao_scheme_arg(struct ao_scheme_cons *cons, int argc) -{ - if (!cons) - return AO_SCHEME_NIL; - while (argc--) { - if (!cons) - return AO_SCHEME_NIL; - cons = ao_scheme_cons_cdr(cons); - } - return cons->car; -} - -ao_poly -ao_scheme_check_argt(ao_poly name, struct ao_scheme_cons *cons, int argc, int type, int nil_ok) -{ - ao_poly car = ao_scheme_arg(cons, argc); - - if ((!car && !nil_ok) || ao_scheme_poly_type(car) != type) - return ao_scheme_error(AO_SCHEME_INVALID, "%v: arg %d invalid type %v", name, argc, car); - return _ao_scheme_bool_true; -} - -static int32_t -ao_scheme_arg_int(ao_poly name, struct ao_scheme_cons *cons, int argc) -{ - ao_poly p = ao_scheme_arg(cons, argc); - bool fail = false; - int32_t i = ao_scheme_poly_integer(p, &fail); - - if (fail) - (void) ao_scheme_error(AO_SCHEME_INVALID, "%v: arg %d invalid type %v", name, argc, p); - return i; -} - -ao_poly -ao_scheme_do_car(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_car, cons, 1, 1)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_car, cons, 0, AO_SCHEME_CONS, 0)) - return AO_SCHEME_NIL; - return ao_scheme_poly_cons(cons->car)->car; -} - -ao_poly -ao_scheme_do_cdr(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_cdr, cons, 1, 1)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_cdr, cons, 0, AO_SCHEME_CONS, 0)) - return AO_SCHEME_NIL; - return ao_scheme_poly_cons(cons->car)->cdr; -} - -ao_poly -ao_scheme_do_cons(struct ao_scheme_cons *cons) -{ - ao_poly car, cdr; - if(!ao_scheme_check_argc(_ao_scheme_atom_cons, cons, 2, 2)) - return AO_SCHEME_NIL; - car = ao_scheme_arg(cons, 0); - cdr = ao_scheme_arg(cons, 1); - return ao_scheme_cons(car, cdr); -} - -ao_poly -ao_scheme_do_last(struct ao_scheme_cons *cons) -{ - struct ao_scheme_cons *list; - if (!ao_scheme_check_argc(_ao_scheme_atom_last, cons, 1, 1)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_last, cons, 0, AO_SCHEME_CONS, 1)) - return AO_SCHEME_NIL; - for (list = ao_scheme_poly_cons(ao_scheme_arg(cons, 0)); - list; - list = ao_scheme_cons_cdr(list)) - { - if (!list->cdr) - return list->car; - } - return AO_SCHEME_NIL; -} - -ao_poly -ao_scheme_do_length(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_length, cons, 1, 1)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_length, cons, 0, AO_SCHEME_CONS, 1)) - return AO_SCHEME_NIL; - return ao_scheme_int_poly(ao_scheme_cons_length(ao_scheme_poly_cons(ao_scheme_arg(cons, 0)))); -} - -ao_poly -ao_scheme_do_list_copy(struct ao_scheme_cons *cons) -{ - struct ao_scheme_cons *new; - - if (!ao_scheme_check_argc(_ao_scheme_atom_length, cons, 1, 1)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_length, cons, 0, AO_SCHEME_CONS, 1)) - return AO_SCHEME_NIL; - new = ao_scheme_cons_copy(ao_scheme_poly_cons(ao_scheme_arg(cons, 0))); - return ao_scheme_cons_poly(new); -} - -ao_poly -ao_scheme_do_quote(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_quote, cons, 1, 1)) - return AO_SCHEME_NIL; - return ao_scheme_arg(cons, 0); -} - -ao_poly -ao_scheme_do_set(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_set, cons, 2, 2)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_set, cons, 0, AO_SCHEME_ATOM, 0)) - return AO_SCHEME_NIL; - - return ao_scheme_atom_set(ao_scheme_arg(cons, 0), ao_scheme_arg(cons, 1)); -} - -ao_poly -ao_scheme_do_def(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_def, cons, 2, 2)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_def, cons, 0, AO_SCHEME_ATOM, 0)) - return AO_SCHEME_NIL; - - return ao_scheme_atom_def(ao_scheme_arg(cons, 0), ao_scheme_arg(cons, 1)); -} - -ao_poly -ao_scheme_do_setq(struct ao_scheme_cons *cons) -{ - ao_poly name; - if (!ao_scheme_check_argc(_ao_scheme_atom_set21, cons, 2, 2)) - return AO_SCHEME_NIL; - name = cons->car; - if (ao_scheme_poly_type(name) != AO_SCHEME_ATOM) - return ao_scheme_error(AO_SCHEME_INVALID, "set! of non-atom %v", name); - if (!ao_scheme_atom_ref(name, NULL)) - return ao_scheme_error(AO_SCHEME_INVALID, "atom %v not defined", name); - return ao_scheme_cons(_ao_scheme_atom_set, - ao_scheme_cons(ao_scheme_cons(_ao_scheme_atom_quote, - ao_scheme_cons(name, AO_SCHEME_NIL)), - cons->cdr)); -} - -ao_poly -ao_scheme_do_cond(struct ao_scheme_cons *cons) -{ - ao_scheme_set_cond(cons); - return AO_SCHEME_NIL; -} - -ao_poly -ao_scheme_do_begin(struct ao_scheme_cons *cons) -{ - ao_scheme_stack->state = eval_begin; - ao_scheme_stack->sexprs = ao_scheme_cons_poly(cons); - return AO_SCHEME_NIL; -} - -ao_poly -ao_scheme_do_while(struct ao_scheme_cons *cons) -{ - ao_scheme_stack->state = eval_while; - ao_scheme_stack->sexprs = ao_scheme_cons_poly(cons); - return AO_SCHEME_NIL; -} - -ao_poly -ao_scheme_do_write(struct ao_scheme_cons *cons) -{ - ao_poly val = AO_SCHEME_NIL; - while (cons) { - val = cons->car; - ao_scheme_poly_write(val, true); - cons = ao_scheme_cons_cdr(cons); - if (cons) - printf(" "); - } - return _ao_scheme_bool_true; -} - -ao_poly -ao_scheme_do_display(struct ao_scheme_cons *cons) -{ - ao_poly val = AO_SCHEME_NIL; - while (cons) { - val = cons->car; - ao_scheme_poly_write(val, false); - cons = ao_scheme_cons_cdr(cons); - } - return _ao_scheme_bool_true; -} - -static ao_poly -ao_scheme_math(struct ao_scheme_cons *orig_cons, enum ao_scheme_builtin_id op) -{ - struct ao_scheme_cons *cons; - ao_poly ret = AO_SCHEME_NIL; - - for (cons = orig_cons; cons; cons = ao_scheme_cons_cdr(cons)) { - ao_poly car = cons->car; - uint8_t rt = ao_scheme_poly_type(ret); - uint8_t ct = ao_scheme_poly_type(car); - - if (cons == orig_cons) { - ret = car; - ao_scheme_cons_stash(cons); - if (cons->cdr == AO_SCHEME_NIL) { - switch (op) { - case builtin_minus: - if (ao_scheme_integer_typep(ct)) - ret = ao_scheme_integer_poly(-ao_scheme_poly_integer(ret, NULL)); -#ifdef AO_SCHEME_FEATURE_FLOAT - else if (ct == AO_SCHEME_FLOAT) - ret = ao_scheme_float_get(-ao_scheme_poly_number(ret)); -#endif - break; - case builtin_divide: - if (ao_scheme_poly_integer(ret, NULL) == 1) { - } else { -#ifdef AO_SCHEME_FEATURE_FLOAT - if (ao_scheme_number_typep(ct)) { - float v = ao_scheme_poly_number(ret); - ret = ao_scheme_float_get(1/v); - } -#else - ret = ao_scheme_integer_poly(0); -#endif - } - break; - default: - break; - } - } - cons = ao_scheme_cons_fetch(); - } else if (ao_scheme_integer_typep(rt) && ao_scheme_integer_typep(ct)) { - int32_t r = ao_scheme_poly_integer(ret, NULL); - int32_t c = ao_scheme_poly_integer(car, NULL); -#ifdef AO_SCHEME_FEATURE_FLOAT - int64_t t; -#endif - - switch(op) { - case builtin_plus: - r += c; - check_overflow: -#ifdef AO_SCHEME_FEATURE_FLOAT - if (r < AO_SCHEME_MIN_BIGINT || AO_SCHEME_MAX_BIGINT < r) - goto inexact; -#endif - break; - case builtin_minus: - r -= c; - goto check_overflow; - break; - case builtin_times: -#ifdef AO_SCHEME_FEATURE_FLOAT - t = (int64_t) r * (int64_t) c; - if (t < AO_SCHEME_MIN_BIGINT || AO_SCHEME_MAX_BIGINT < t) - goto inexact; - r = (int32_t) t; -#else - r = r * c; -#endif - break; - case builtin_divide: -#ifdef AO_SCHEME_FEATURE_FLOAT - if (c != 0 && (r % c) == 0) - r /= c; - else - goto inexact; -#else - r /= c; -#endif - break; - case builtin_quotient: - if (c == 0) - return ao_scheme_error(AO_SCHEME_DIVIDE_BY_ZERO, "quotient by zero"); - if (r % c != 0 && (c < 0) != (r < 0)) - r = r / c - 1; - else - r = r / c; - break; - case builtin_remainder: - if (c == 0) - return ao_scheme_error(AO_SCHEME_DIVIDE_BY_ZERO, "remainder by zero"); - r %= c; - break; - case builtin_modulo: - if (c == 0) - return ao_scheme_error(AO_SCHEME_DIVIDE_BY_ZERO, "modulo by zero"); - r %= c; - if ((r < 0) != (c < 0)) - r += c; - break; - default: - break; - } - ao_scheme_cons_stash(cons); - ret = ao_scheme_integer_poly(r); - cons = ao_scheme_cons_fetch(); -#ifdef AO_SCHEME_FEATURE_FLOAT - } else if (ao_scheme_number_typep(rt) && ao_scheme_number_typep(ct)) { - float r, c; - inexact: - r = ao_scheme_poly_number(ret); - c = ao_scheme_poly_number(car); - switch(op) { - case builtin_plus: - r += c; - break; - case builtin_minus: - r -= c; - break; - case builtin_times: - r *= c; - break; - case builtin_divide: - r /= c; - break; - case builtin_quotient: - case builtin_remainder: - case builtin_modulo: - return ao_scheme_error(AO_SCHEME_INVALID, "non-integer value in integer divide"); - default: - break; - } - ao_scheme_cons_stash(cons); - ret = ao_scheme_float_get(r); - cons = ao_scheme_cons_fetch(); -#endif - } - else if (rt == AO_SCHEME_STRING && ct == AO_SCHEME_STRING && op == builtin_plus) { - ao_scheme_cons_stash(cons); - ret = ao_scheme_string_poly(ao_scheme_string_cat(ao_scheme_poly_string(ret), - ao_scheme_poly_string(car))); - cons = ao_scheme_cons_fetch(); - if (!ret) - return ret; - } - else - return ao_scheme_error(AO_SCHEME_INVALID, "invalid args"); - } - return ret; -} - -ao_poly -ao_scheme_do_plus(struct ao_scheme_cons *cons) -{ - return ao_scheme_math(cons, builtin_plus); -} - -ao_poly -ao_scheme_do_minus(struct ao_scheme_cons *cons) -{ - return ao_scheme_math(cons, builtin_minus); -} - -ao_poly -ao_scheme_do_times(struct ao_scheme_cons *cons) -{ - return ao_scheme_math(cons, builtin_times); -} - -ao_poly -ao_scheme_do_divide(struct ao_scheme_cons *cons) -{ - return ao_scheme_math(cons, builtin_divide); -} - -ao_poly -ao_scheme_do_quotient(struct ao_scheme_cons *cons) -{ - return ao_scheme_math(cons, builtin_quotient); -} - -ao_poly -ao_scheme_do_modulo(struct ao_scheme_cons *cons) -{ - return ao_scheme_math(cons, builtin_modulo); -} - -ao_poly -ao_scheme_do_remainder(struct ao_scheme_cons *cons) -{ - return ao_scheme_math(cons, builtin_remainder); -} - -static ao_poly -ao_scheme_compare(struct ao_scheme_cons *cons, enum ao_scheme_builtin_id op) -{ - ao_poly left; - - if (!cons) - return _ao_scheme_bool_true; - - left = cons->car; - for (cons = ao_scheme_cons_cdr(cons); cons; cons = ao_scheme_cons_cdr(cons)) { - ao_poly right = cons->car; - - if (op == builtin_equal && left == right) { - ; - } else { - uint8_t lt = ao_scheme_poly_type(left); - uint8_t rt = ao_scheme_poly_type(right); - if (ao_scheme_integer_typep(lt) && ao_scheme_integer_typep(rt)) { - int32_t l = ao_scheme_poly_integer(left, NULL); - int32_t r = ao_scheme_poly_integer(right, NULL); - - switch (op) { - case builtin_less: - if (!(l < r)) - return _ao_scheme_bool_false; - break; - case builtin_greater: - if (!(l > r)) - return _ao_scheme_bool_false; - break; - case builtin_less_equal: - if (!(l <= r)) - return _ao_scheme_bool_false; - break; - case builtin_greater_equal: - if (!(l >= r)) - return _ao_scheme_bool_false; - break; - case builtin_equal: - if (!(l == r)) - return _ao_scheme_bool_false; - default: - break; - } -#ifdef AO_SCHEME_FEATURE_FLOAT - } else if (ao_scheme_number_typep(lt) && ao_scheme_number_typep(rt)) { - float l, r; - - l = ao_scheme_poly_number(left); - r = ao_scheme_poly_number(right); - - switch (op) { - case builtin_less: - if (!(l < r)) - return _ao_scheme_bool_false; - break; - case builtin_greater: - if (!(l > r)) - return _ao_scheme_bool_false; - break; - case builtin_less_equal: - if (!(l <= r)) - return _ao_scheme_bool_false; - break; - case builtin_greater_equal: - if (!(l >= r)) - return _ao_scheme_bool_false; - break; - case builtin_equal: - if (!(l == r)) - return _ao_scheme_bool_false; - default: - break; - } -#endif /* AO_SCHEME_FEATURE_FLOAT */ - } else if (lt == AO_SCHEME_STRING && rt == AO_SCHEME_STRING) { - int c = strcmp(ao_scheme_poly_string(left)->val, - ao_scheme_poly_string(right)->val); - switch (op) { - case builtin_less: - if (!(c < 0)) - return _ao_scheme_bool_false; - break; - case builtin_greater: - if (!(c > 0)) - return _ao_scheme_bool_false; - break; - case builtin_less_equal: - if (!(c <= 0)) - return _ao_scheme_bool_false; - break; - case builtin_greater_equal: - if (!(c >= 0)) - return _ao_scheme_bool_false; - break; - case builtin_equal: - if (!(c == 0)) - return _ao_scheme_bool_false; - break; - default: - break; - } - } else - return _ao_scheme_bool_false; - } - left = right; - } - return _ao_scheme_bool_true; -} - -ao_poly -ao_scheme_do_equal(struct ao_scheme_cons *cons) -{ - return ao_scheme_compare(cons, builtin_equal); -} - -ao_poly -ao_scheme_do_less(struct ao_scheme_cons *cons) -{ - return ao_scheme_compare(cons, builtin_less); -} - -ao_poly -ao_scheme_do_greater(struct ao_scheme_cons *cons) -{ - return ao_scheme_compare(cons, builtin_greater); -} - -ao_poly -ao_scheme_do_less_equal(struct ao_scheme_cons *cons) -{ - return ao_scheme_compare(cons, builtin_less_equal); -} - -ao_poly -ao_scheme_do_greater_equal(struct ao_scheme_cons *cons) -{ - return ao_scheme_compare(cons, builtin_greater_equal); -} - -ao_poly -ao_scheme_do_list_to_string(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_list2d3estring, cons, 1, 1)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_list2d3estring, cons, 0, AO_SCHEME_CONS, 1)) - return AO_SCHEME_NIL; - return ao_scheme_string_pack(ao_scheme_poly_cons(ao_scheme_arg(cons, 0))); -} - -ao_poly -ao_scheme_do_string_to_list(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_string2d3elist, cons, 1, 1)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_string2d3elist, cons, 0, AO_SCHEME_STRING, 0)) - return AO_SCHEME_NIL; - return ao_scheme_string_unpack(ao_scheme_poly_string(ao_scheme_arg(cons, 0))); -} - -ao_poly -ao_scheme_do_string_ref(struct ao_scheme_cons *cons) -{ - char *string; - int32_t ref; - if (!ao_scheme_check_argc(_ao_scheme_atom_string2dref, cons, 2, 2)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_string2dref, cons, 0, AO_SCHEME_STRING, 0)) - return AO_SCHEME_NIL; - ref = ao_scheme_arg_int(_ao_scheme_atom_string2dref, cons, 1); - if (ao_scheme_exception) - return AO_SCHEME_NIL; - string = ao_scheme_poly_string(ao_scheme_arg(cons, 0))->val; - while (*string && ref) { - ++string; - --ref; - } - if (!*string) - return ao_scheme_error(AO_SCHEME_INVALID, "%v: string %v ref %v invalid", - _ao_scheme_atom_string2dref, - ao_scheme_arg(cons, 0), - ao_scheme_arg(cons, 1)); - return ao_scheme_int_poly(*string); -} - -ao_poly -ao_scheme_do_string_length(struct ao_scheme_cons *cons) -{ - struct ao_scheme_string *string; - - if (!ao_scheme_check_argc(_ao_scheme_atom_string2dlength, cons, 1, 1)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_string2dlength, cons, 0, AO_SCHEME_STRING, 0)) - return AO_SCHEME_NIL; - string = ao_scheme_poly_string(ao_scheme_arg(cons, 0)); - return ao_scheme_integer_poly(strlen(string->val)); -} - -ao_poly -ao_scheme_do_string_copy(struct ao_scheme_cons *cons) -{ - struct ao_scheme_string *string; - - if (!ao_scheme_check_argc(_ao_scheme_atom_string2dcopy, cons, 1, 1)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_string2dcopy, cons, 0, AO_SCHEME_STRING, 0)) - return AO_SCHEME_NIL; - string = ao_scheme_poly_string(ao_scheme_arg(cons, 0)); - return ao_scheme_string_poly(ao_scheme_string_copy(string)); -} - -ao_poly -ao_scheme_do_string_set(struct ao_scheme_cons *cons) -{ - char *string; - int32_t ref; - int32_t val; - - if (!ao_scheme_check_argc(_ao_scheme_atom_string2dset21, cons, 3, 3)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_string2dset21, cons, 0, AO_SCHEME_STRING, 0)) - return AO_SCHEME_NIL; - string = ao_scheme_poly_string(ao_scheme_arg(cons, 0))->val; - ref = ao_scheme_arg_int(_ao_scheme_atom_string2dset21, cons, 1); - if (ao_scheme_exception) - return AO_SCHEME_NIL; - val = ao_scheme_arg_int(_ao_scheme_atom_string2dset21, cons, 2); - if (ao_scheme_exception) - return AO_SCHEME_NIL; - while (*string && ref) { - ++string; - --ref; - } - if (!*string) - return ao_scheme_error(AO_SCHEME_INVALID, "%v: string %v ref %v invalid", - _ao_scheme_atom_string2dset21, - ao_scheme_arg(cons, 0), - ao_scheme_arg(cons, 1)); - *string = val; - return ao_scheme_int_poly(*string); -} - -ao_poly -ao_scheme_do_flush_output(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_flush2doutput, cons, 0, 0)) - return AO_SCHEME_NIL; - ao_scheme_os_flush(); - return _ao_scheme_bool_true; -} - -ao_poly -ao_scheme_do_led(struct ao_scheme_cons *cons) -{ - int32_t led; - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1)) - return AO_SCHEME_NIL; - led = ao_scheme_arg_int(_ao_scheme_atom_led, cons, 0); - if (ao_scheme_exception) - return AO_SCHEME_NIL; - led = ao_scheme_arg(cons, 0); - ao_scheme_os_led(ao_scheme_poly_int(led)); - return led; -} - -ao_poly -ao_scheme_do_delay(struct ao_scheme_cons *cons) -{ - int32_t delay; - - if (!ao_scheme_check_argc(_ao_scheme_atom_delay, cons, 1, 1)) - return AO_SCHEME_NIL; - delay = ao_scheme_arg_int(_ao_scheme_atom_delay, cons, 0); - if (ao_scheme_exception) - return AO_SCHEME_NIL; - ao_scheme_os_delay(delay); - return delay; -} - -ao_poly -ao_scheme_do_eval(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_eval, cons, 1, 1)) - return AO_SCHEME_NIL; - ao_scheme_stack->state = eval_sexpr; - return cons->car; -} - -ao_poly -ao_scheme_do_apply(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_apply, cons, 2, INT_MAX)) - return AO_SCHEME_NIL; - ao_scheme_stack->state = eval_apply; - return ao_scheme_cons_poly(cons); -} - -ao_poly -ao_scheme_do_read(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_read, cons, 0, 0)) - return AO_SCHEME_NIL; - return ao_scheme_read(); -} - -ao_poly -ao_scheme_do_collect(struct ao_scheme_cons *cons) -{ - int free; - (void) cons; - free = ao_scheme_collect(AO_SCHEME_COLLECT_FULL); - return ao_scheme_integer_poly(free); -} - -ao_poly -ao_scheme_do_nullp(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1)) - return AO_SCHEME_NIL; - if (ao_scheme_arg(cons, 0) == AO_SCHEME_NIL) - return _ao_scheme_bool_true; - else - return _ao_scheme_bool_false; -} - -ao_poly -ao_scheme_do_not(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1)) - return AO_SCHEME_NIL; - if (ao_scheme_arg(cons, 0) == _ao_scheme_bool_false) - return _ao_scheme_bool_true; - else - return _ao_scheme_bool_false; -} - -static ao_poly -ao_scheme_do_typep(int type, struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1)) - return AO_SCHEME_NIL; - if (ao_scheme_poly_type(ao_scheme_arg(cons, 0)) == type) - return _ao_scheme_bool_true; - return _ao_scheme_bool_false; -} - -ao_poly -ao_scheme_do_pairp(struct ao_scheme_cons *cons) -{ - ao_poly v; - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1)) - return AO_SCHEME_NIL; - v = ao_scheme_arg(cons, 0); - if (ao_scheme_is_pair(v)) - return _ao_scheme_bool_true; - return _ao_scheme_bool_false; -} - -ao_poly -ao_scheme_do_integerp(struct ao_scheme_cons *cons) -{ -#ifdef AO_SCHEME_FEATURE_BIGINT - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1)) - return AO_SCHEME_NIL; - switch (ao_scheme_poly_type(ao_scheme_arg(cons, 0))) { - case AO_SCHEME_INT: - case AO_SCHEME_BIGINT: - return _ao_scheme_bool_true; - default: - return _ao_scheme_bool_false; - } -#else - return ao_scheme_do_typep(AO_SCHEME_INT, cons); -#endif -} - -ao_poly -ao_scheme_do_numberp(struct ao_scheme_cons *cons) -{ -#if defined(AO_SCHEME_FEATURE_BIGINT) || defined(AO_SCHEME_FEATURE_FLOAT) - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1)) - return AO_SCHEME_NIL; - switch (ao_scheme_poly_type(ao_scheme_arg(cons, 0))) { - case AO_SCHEME_INT: -#ifdef AO_SCHEME_FEATURE_BIGINT - case AO_SCHEME_BIGINT: -#endif -#ifdef AO_SCHEME_FEATURE_FLOAT - case AO_SCHEME_FLOAT: -#endif - return _ao_scheme_bool_true; - default: - return _ao_scheme_bool_false; - } -#else - return ao_scheme_do_integerp(cons); -#endif -} - -ao_poly -ao_scheme_do_stringp(struct ao_scheme_cons *cons) -{ - return ao_scheme_do_typep(AO_SCHEME_STRING, cons); -} - -ao_poly -ao_scheme_do_symbolp(struct ao_scheme_cons *cons) -{ - return ao_scheme_do_typep(AO_SCHEME_ATOM, cons); -} - -ao_poly -ao_scheme_do_booleanp(struct ao_scheme_cons *cons) -{ - return ao_scheme_do_typep(AO_SCHEME_BOOL, cons); -} - -ao_poly -ao_scheme_do_procedurep(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1)) - return AO_SCHEME_NIL; - switch (ao_scheme_poly_type(ao_scheme_arg(cons, 0))) { - case AO_SCHEME_BUILTIN: - case AO_SCHEME_LAMBDA: - return _ao_scheme_bool_true; - default: - return _ao_scheme_bool_false; - } -} - -/* This one is special -- a list is either nil or - * a 'proper' list with only cons cells - */ -ao_poly -ao_scheme_do_listp(struct ao_scheme_cons *cons) -{ - ao_poly v; - if (!ao_scheme_check_argc(_ao_scheme_atom_list3f, cons, 1, 1)) - return AO_SCHEME_NIL; - v = ao_scheme_arg(cons, 0); - for (;;) { - if (v == AO_SCHEME_NIL) - return _ao_scheme_bool_true; - if (!ao_scheme_is_cons(v)) - return _ao_scheme_bool_false; - v = ao_scheme_poly_cons(v)->cdr; - } -} - -ao_poly -ao_scheme_do_set_car(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 2, 2)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_led, cons, 0, AO_SCHEME_CONS, 0)) - return AO_SCHEME_NIL; - return ao_scheme_poly_cons(ao_scheme_arg(cons, 0))->car = ao_scheme_arg(cons, 1); -} - -ao_poly -ao_scheme_do_set_cdr(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 2, 2)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_led, cons, 0, AO_SCHEME_CONS, 0)) - return AO_SCHEME_NIL; - return ao_scheme_poly_cons(ao_scheme_arg(cons, 0))->cdr = ao_scheme_arg(cons, 1); -} - -ao_poly -ao_scheme_do_symbol_to_string(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_led, cons, 0, AO_SCHEME_ATOM, 0)) - return AO_SCHEME_NIL; - return ao_scheme_string_poly(ao_scheme_atom_to_string(ao_scheme_poly_atom(ao_scheme_arg(cons, 0)))); -} - -ao_poly -ao_scheme_do_string_to_symbol(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_led, cons, 0, AO_SCHEME_STRING, 0)) - return AO_SCHEME_NIL; - - return ao_scheme_atom_poly(ao_scheme_string_to_atom(ao_scheme_poly_string(ao_scheme_arg(cons, 0))));; -} - -ao_poly -ao_scheme_do_read_char(struct ao_scheme_cons *cons) -{ - int c; - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 0, 0)) - return AO_SCHEME_NIL; - c = getchar(); - return ao_scheme_int_poly(c); -} - -ao_poly -ao_scheme_do_write_char(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_led, cons, 0, AO_SCHEME_INT, 0)) - return AO_SCHEME_NIL; - putchar(ao_scheme_poly_integer(ao_scheme_arg(cons, 0), NULL)); - return _ao_scheme_bool_true; -} - -ao_poly -ao_scheme_do_exit(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 0, 0)) - return AO_SCHEME_NIL; - ao_scheme_exception |= AO_SCHEME_EXIT; - return _ao_scheme_bool_true; -} - -ao_poly -ao_scheme_do_current_jiffy(struct ao_scheme_cons *cons) -{ - int jiffy; - - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 0, 0)) - return AO_SCHEME_NIL; - jiffy = ao_scheme_os_jiffy(); - return (ao_scheme_int_poly(jiffy)); -} - -ao_poly -ao_scheme_do_current_second(struct ao_scheme_cons *cons) -{ - int second; - - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 0, 0)) - return AO_SCHEME_NIL; - second = ao_scheme_os_jiffy() / AO_SCHEME_JIFFIES_PER_SECOND; - return (ao_scheme_int_poly(second)); -} - -ao_poly -ao_scheme_do_jiffies_per_second(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 0, 0)) - return AO_SCHEME_NIL; - return (ao_scheme_int_poly(AO_SCHEME_JIFFIES_PER_SECOND)); -} - -#ifdef AO_SCHEME_FEATURE_VECTOR - -ao_poly -ao_scheme_do_vector(struct ao_scheme_cons *cons) -{ - return ao_scheme_vector_poly(ao_scheme_list_to_vector(cons)); -} - -ao_poly -ao_scheme_do_make_vector(struct ao_scheme_cons *cons) -{ - int32_t k; - - if (!ao_scheme_check_argc(_ao_scheme_atom_make2dvector, cons, 2, 2)) - return AO_SCHEME_NIL; - k = ao_scheme_arg_int(_ao_scheme_atom_make2dvector, cons, 0); - if (ao_scheme_exception) - return AO_SCHEME_NIL; - return ao_scheme_vector_poly(ao_scheme_vector_alloc(k, ao_scheme_arg(cons, 1))); -} - -ao_poly -ao_scheme_do_vector_ref(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_vector2dref, cons, 2, 2)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_vector2dref, cons, 0, AO_SCHEME_VECTOR, 0)) - return AO_SCHEME_NIL; - return ao_scheme_vector_get(ao_scheme_arg(cons, 0), ao_scheme_arg(cons, 1)); -} - -ao_poly -ao_scheme_do_vector_set(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_vector2dset21, cons, 3, 3)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_vector2dset21, cons, 0, AO_SCHEME_VECTOR, 0)) - return AO_SCHEME_NIL; - return ao_scheme_vector_set(ao_scheme_arg(cons, 0), ao_scheme_arg(cons, 1), ao_scheme_arg(cons, 2)); -} - -ao_poly -ao_scheme_do_list_to_vector(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_list2d3evector, cons, 1, 1)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_list2d3evector, cons, 0, AO_SCHEME_CONS, 0)) - return AO_SCHEME_NIL; - return ao_scheme_vector_poly(ao_scheme_list_to_vector(ao_scheme_poly_cons(ao_scheme_arg(cons, 0)))); -} - -ao_poly -ao_scheme_do_vector_to_list(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_vector2d3elist, cons, 1, 1)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_vector2d3elist, cons, 0, AO_SCHEME_VECTOR, 0)) - return AO_SCHEME_NIL; - return ao_scheme_cons_poly(ao_scheme_vector_to_list(ao_scheme_poly_vector(ao_scheme_arg(cons, 0)))); -} - -ao_poly -ao_scheme_do_vector_length(struct ao_scheme_cons *cons) -{ - if (!ao_scheme_check_argc(_ao_scheme_atom_vector2d3elist, cons, 1, 1)) - return AO_SCHEME_NIL; - if (!ao_scheme_check_argt(_ao_scheme_atom_vector2d3elist, cons, 0, AO_SCHEME_VECTOR, 0)) - return AO_SCHEME_NIL; - return ao_scheme_integer_poly(ao_scheme_poly_vector(ao_scheme_arg(cons, 0))->length); -} - -ao_poly -ao_scheme_do_vectorp(struct ao_scheme_cons *cons) -{ - return ao_scheme_do_typep(AO_SCHEME_VECTOR, cons); -} - -#endif /* AO_SCHEME_FEATURE_VECTOR */ - -#define AO_SCHEME_BUILTIN_FUNCS -#include "ao_scheme_builtin.h" |