.move = builtin_move
};
+#ifdef AO_LISP_MAKE_CONST
+char *ao_lisp_builtin_name(enum ao_lisp_builtin_id b) {
+ return "???";
+}
+char *ao_lisp_args_name(uint8_t args) {
+ return "???";
+}
+#else
+static const ao_poly builtin_names[] = {
+ [builtin_lambda] = _ao_lisp_atom_lambda,
+ [builtin_lexpr] = _ao_lisp_atom_lexpr,
+ [builtin_nlambda] = _ao_lisp_atom_nlambda,
+ [builtin_macro] = _ao_lisp_atom_macro,
+ [builtin_car] = _ao_lisp_atom_car,
+ [builtin_cdr] = _ao_lisp_atom_cdr,
+ [builtin_cons] = _ao_lisp_atom_cons,
+ [builtin_last] = _ao_lisp_atom_last,
+ [builtin_quote] = _ao_lisp_atom_quote,
+ [builtin_set] = _ao_lisp_atom_set,
+ [builtin_setq] = _ao_lisp_atom_setq,
+ [builtin_cond] = _ao_lisp_atom_cond,
+ [builtin_print] = _ao_lisp_atom_print,
+ [builtin_patom] = _ao_lisp_atom_patom,
+ [builtin_plus] = _ao_lisp_atom_2b,
+ [builtin_minus] = _ao_lisp_atom_2d,
+ [builtin_times] = _ao_lisp_atom_2a,
+ [builtin_divide] = _ao_lisp_atom_2f,
+ [builtin_mod] = _ao_lisp_atom_25,
+ [builtin_equal] = _ao_lisp_atom_3d,
+ [builtin_less] = _ao_lisp_atom_3c,
+ [builtin_greater] = _ao_lisp_atom_3e,
+ [builtin_less_equal] = _ao_lisp_atom_3c3d,
+ [builtin_greater_equal] = _ao_lisp_atom_3e3d,
+ [builtin_delay] = _ao_lisp_atom_delay,
+ [builtin_led] = _ao_lisp_atom_led,
+};
+
+static char *
+ao_lisp_builtin_name(enum ao_lisp_builtin_id b) {
+ if (b < _builtin_last)
+ return ao_lisp_poly_atom(builtin_names[b])->name;
+ return "???";
+}
+
+static const ao_poly ao_lisp_args_atoms[] = {
+ [AO_LISP_FUNC_LAMBDA] = _ao_lisp_atom_lambda,
+ [AO_LISP_FUNC_LEXPR] = _ao_lisp_atom_lexpr,
+ [AO_LISP_FUNC_NLAMBDA] = _ao_lisp_atom_nlambda,
+ [AO_LISP_FUNC_MACRO] = _ao_lisp_atom_macro,
+};
+
+char *
+ao_lisp_args_name(uint8_t args)
+{
+ if (args < sizeof ao_lisp_args_atoms / sizeof ao_lisp_args_atoms[0])
+ return ao_lisp_poly_atom(ao_lisp_args_atoms[args])->name;
+ return "(unknown)";
+}
+#endif
+
void
ao_lisp_builtin_print(ao_poly b)
{
- (void) b;
- printf("[builtin]");
+ struct ao_lisp_builtin *builtin = ao_lisp_poly_builtin(b);
+ printf("[builtin %s %s]",
+ ao_lisp_args_name(builtin->args),
+ ao_lisp_builtin_name(builtin->func));
}
ao_poly
ao_poly
ao_lisp_arg(struct ao_lisp_cons *cons, int argc)
{
+ if (!cons)
+ return AO_LISP_NIL;
while (argc--) {
if (!cons)
return AO_LISP_NIL;
return _ao_lisp_atom_t;
}
-enum math_op { math_plus, math_minus, math_times, math_divide, math_mod };
-
ao_poly
ao_lisp_car(struct ao_lisp_cons *cons)
{
return ao_lisp_cons_poly(ao_lisp_cons_cons(car, ao_lisp_poly_cons(cdr)));
}
+ao_poly
+ao_lisp_last(struct ao_lisp_cons *cons)
+{
+ ao_poly l;
+ if (!ao_lisp_check_argc(_ao_lisp_atom_last, cons, 1, 1))
+ return AO_LISP_NIL;
+ if (!ao_lisp_check_argt(_ao_lisp_atom_last, cons, 0, AO_LISP_CONS, 1))
+ return AO_LISP_NIL;
+ l = ao_lisp_arg(cons, 0);
+ while (l) {
+ struct ao_lisp_cons *list = ao_lisp_poly_cons(l);
+ if (!list->cdr)
+ return list->car;
+ l = list->cdr;
+ }
+ return AO_LISP_NIL;
+}
+
ao_poly
ao_lisp_quote(struct ao_lisp_cons *cons)
{
if (!ao_lisp_check_argt(_ao_lisp_atom_set, cons, 0, AO_LISP_ATOM, 0))
return AO_LISP_NIL;
- return ao_lisp_atom_set(ao_lisp_arg(cons, 0), ao_lisp_poly_cons(ao_lisp_arg(cons, 1))->car);
+ return ao_lisp_atom_set(ao_lisp_arg(cons, 0), ao_lisp_arg(cons, 1));
}
ao_poly
ao_poly
ao_lisp_cond(struct ao_lisp_cons *cons)
{
- int argc;
- struct ao_lisp_cons *arg;
-
- argc = 0;
- for (arg = cons, argc = 0; arg; arg = ao_lisp_poly_cons(arg->cdr), argc++) {
- if (ao_lisp_poly_type(arg->car) != AO_LISP_CONS)
- return ao_lisp_error(AO_LISP_INVALID, "%s: invalid type for arg %d",
- ao_lisp_poly_atom(_ao_lisp_atom_cond)->name, argc);
- }
ao_lisp_set_cond(cons);
return AO_LISP_NIL;
}
if (cons)
printf(" ");
}
+ printf("\n");
return val;
}
ao_poly
-ao_lisp_math(struct ao_lisp_cons *cons, enum math_op op)
+ao_lisp_patom(struct ao_lisp_cons *cons)
+{
+ ao_poly val = AO_LISP_NIL;
+ while (cons) {
+ val = cons->car;
+ ao_lisp_poly_patom(val);
+ cons = ao_lisp_poly_cons(cons->cdr);
+ }
+ return val;
+}
+
+ao_poly
+ao_lisp_math(struct ao_lisp_cons *cons, enum ao_lisp_builtin_id op)
{
ao_poly ret = AO_LISP_NIL;
int c = ao_lisp_poly_int(car);
switch(op) {
- case math_plus:
+ case builtin_plus:
r += c;
break;
- case math_minus:
+ case builtin_minus:
r -= c;
break;
- case math_times:
+ case builtin_times:
r *= c;
break;
- case math_divide:
+ case builtin_divide:
if (c == 0)
return ao_lisp_error(AO_LISP_DIVIDE_BY_ZERO, "divide by zero");
r /= c;
break;
- case math_mod:
+ case builtin_mod:
if (c == 0)
return ao_lisp_error(AO_LISP_DIVIDE_BY_ZERO, "mod by zero");
r %= c;
break;
+ default:
+ break;
}
ret = ao_lisp_int_poly(r);
}
- else if (rt == AO_LISP_STRING && ct == AO_LISP_STRING && op == math_plus)
+ else if (rt == AO_LISP_STRING && ct == AO_LISP_STRING && op == builtin_plus)
ret = ao_lisp_string_poly(ao_lisp_string_cat(ao_lisp_poly_string(ret),
ao_lisp_poly_string(car)));
else
ao_poly
ao_lisp_plus(struct ao_lisp_cons *cons)
{
- return ao_lisp_math(cons, math_plus);
+ return ao_lisp_math(cons, builtin_plus);
}
ao_poly
ao_lisp_minus(struct ao_lisp_cons *cons)
{
- return ao_lisp_math(cons, math_minus);
+ return ao_lisp_math(cons, builtin_minus);
}
ao_poly
ao_lisp_times(struct ao_lisp_cons *cons)
{
- return ao_lisp_math(cons, math_times);
+ return ao_lisp_math(cons, builtin_times);
}
ao_poly
ao_lisp_divide(struct ao_lisp_cons *cons)
{
- return ao_lisp_math(cons, math_divide);
+ return ao_lisp_math(cons, builtin_divide);
}
ao_poly
ao_lisp_mod(struct ao_lisp_cons *cons)
{
- return ao_lisp_math(cons, math_mod);
+ return ao_lisp_math(cons, builtin_mod);
+}
+
+ao_poly
+ao_lisp_compare(struct ao_lisp_cons *cons, enum ao_lisp_builtin_id op)
+{
+ ao_poly left;
+
+ if (!cons)
+ return _ao_lisp_atom_t;
+
+ left = cons->car;
+ cons = ao_lisp_poly_cons(cons->cdr);
+ while (cons) {
+ ao_poly right = cons->car;
+
+ if (op == builtin_equal) {
+ if (left != right)
+ return AO_LISP_NIL;
+ } else {
+ uint8_t lt = ao_lisp_poly_type(left);
+ uint8_t rt = ao_lisp_poly_type(right);
+ if (lt == AO_LISP_INT && rt == AO_LISP_INT) {
+ int l = ao_lisp_poly_int(left);
+ int r = ao_lisp_poly_int(right);
+
+ switch (op) {
+ case builtin_less:
+ if (!(l < r))
+ return AO_LISP_NIL;
+ break;
+ case builtin_greater:
+ if (!(l > r))
+ return AO_LISP_NIL;
+ break;
+ case builtin_less_equal:
+ if (!(l <= r))
+ return AO_LISP_NIL;
+ break;
+ case builtin_greater_equal:
+ if (!(l >= r))
+ return AO_LISP_NIL;
+ break;
+ default:
+ break;
+ }
+ } else if (lt == AO_LISP_STRING && rt == AO_LISP_STRING) {
+ int c = strcmp(ao_lisp_poly_string(left),
+ ao_lisp_poly_string(right));
+ switch (op) {
+ case builtin_less:
+ if (!(c < 0))
+ return AO_LISP_NIL;
+ break;
+ case builtin_greater:
+ if (!(c > 0))
+ return AO_LISP_NIL;
+ break;
+ case builtin_less_equal:
+ if (!(c <= 0))
+ return AO_LISP_NIL;
+ break;
+ case builtin_greater_equal:
+ if (!(c >= 0))
+ return AO_LISP_NIL;
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ left = right;
+ cons = ao_lisp_poly_cons(cons->cdr);
+ }
+ return _ao_lisp_atom_t;
+}
+
+ao_poly
+ao_lisp_equal(struct ao_lisp_cons *cons)
+{
+ return ao_lisp_compare(cons, builtin_equal);
+}
+
+ao_poly
+ao_lisp_less(struct ao_lisp_cons *cons)
+{
+ return ao_lisp_compare(cons, builtin_less);
+}
+
+ao_poly
+ao_lisp_greater(struct ao_lisp_cons *cons)
+{
+ return ao_lisp_compare(cons, builtin_greater);
+}
+
+ao_poly
+ao_lisp_less_equal(struct ao_lisp_cons *cons)
+{
+ return ao_lisp_compare(cons, builtin_less_equal);
+}
+
+ao_poly
+ao_lisp_greater_equal(struct ao_lisp_cons *cons)
+{
+ return ao_lisp_compare(cons, builtin_greater_equal);
+}
+
+ao_poly
+ao_lisp_led(struct ao_lisp_cons *cons)
+{
+ ao_poly led;
+ if (!ao_lisp_check_argc(_ao_lisp_atom_led, cons, 1, 1))
+ return AO_LISP_NIL;
+ if (!ao_lisp_check_argt(_ao_lisp_atom_led, cons, 0, AO_LISP_INT, 0))
+ return AO_LISP_NIL;
+ led = ao_lisp_arg(cons, 0);
+ ao_lisp_os_led(ao_lisp_poly_int(led));
+ return led;
+}
+
+ao_poly
+ao_lisp_delay(struct ao_lisp_cons *cons)
+{
+ ao_poly delay;
+ if (!ao_lisp_check_argc(_ao_lisp_atom_led, cons, 1, 1))
+ return AO_LISP_NIL;
+ if (!ao_lisp_check_argt(_ao_lisp_atom_led, cons, 0, AO_LISP_INT, 0))
+ return AO_LISP_NIL;
+ delay = ao_lisp_arg(cons, 0);
+ ao_lisp_os_delay(ao_lisp_poly_int(delay));
+ return delay;
}
-ao_lisp_func_t ao_lisp_builtins[] = {
+const ao_lisp_func_t ao_lisp_builtins[] = {
+ [builtin_lambda] = ao_lisp_lambda,
+ [builtin_lexpr] = ao_lisp_lexpr,
+ [builtin_nlambda] = ao_lisp_nlambda,
+ [builtin_macro] = ao_lisp_macro,
[builtin_car] = ao_lisp_car,
[builtin_cdr] = ao_lisp_cdr,
[builtin_cons] = ao_lisp_cons,
+ [builtin_last] = ao_lisp_last,
[builtin_quote] = ao_lisp_quote,
[builtin_set] = ao_lisp_set,
[builtin_setq] = ao_lisp_setq,
[builtin_cond] = ao_lisp_cond,
[builtin_print] = ao_lisp_print,
+ [builtin_patom] = ao_lisp_patom,
[builtin_plus] = ao_lisp_plus,
[builtin_minus] = ao_lisp_minus,
[builtin_times] = ao_lisp_times,
[builtin_divide] = ao_lisp_divide,
- [builtin_mod] = ao_lisp_mod
+ [builtin_mod] = ao_lisp_mod,
+ [builtin_equal] = ao_lisp_equal,
+ [builtin_less] = ao_lisp_less,
+ [builtin_greater] = ao_lisp_greater,
+ [builtin_less_equal] = ao_lisp_less_equal,
+ [builtin_greater_equal] = ao_lisp_greater_equal,
+ [builtin_led] = ao_lisp_led,
+ [builtin_delay] = ao_lisp_delay,
};
projects / fw / altos / blobdiff