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, "%s: arg %d invalid type %v", ao_scheme_poly_atom(name)->name, argc, car);
+ return ao_scheme_error(AO_SCHEME_INVALID, "%v: arg %d invalid type %v", name, argc, car);
return _ao_scheme_bool_true;
}
+int32_t
+ao_scheme_arg_int(ao_poly name, struct ao_scheme_cons *cons, int argc)
+{
+ ao_poly p = ao_scheme_arg(cons, argc);
+ int32_t i = ao_scheme_poly_integer(p);
+
+ if (i == AO_SCHEME_NOT_INTEGER)
+ (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)
{
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 (ref == AO_SCHEME_NOT_INTEGER)
+ return AO_SCHEME_NIL;
+ string = ao_scheme_poly_string(ao_scheme_arg(cons, 0));
+ 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)
+{
+ char *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));
+}
+
+ao_poly
+ao_scheme_do_string_copy(struct ao_scheme_cons *cons)
+{
+ char *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));
+ ref = ao_scheme_arg_int(_ao_scheme_atom_string2dset21, cons, 1);
+ if (ref == AO_SCHEME_NOT_INTEGER)
+ return AO_SCHEME_NIL;
+ val = ao_scheme_arg_int(_ao_scheme_atom_string2dset21, cons, 2);
+ if (val == AO_SCHEME_NOT_INTEGER)
+ 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)
{
ao_poly
ao_scheme_do_led(struct ao_scheme_cons *cons)
{
- ao_poly led;
+ int32_t led;
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))
+ led = ao_scheme_arg_int(_ao_scheme_atom_led, cons, 0);
+ if (led == AO_SCHEME_NOT_INTEGER)
return AO_SCHEME_NIL;
led = ao_scheme_arg(cons, 0);
ao_scheme_os_led(ao_scheme_poly_int(led));
ao_poly
ao_scheme_do_delay(struct ao_scheme_cons *cons)
{
- ao_poly delay;
- if (!ao_scheme_check_argc(_ao_scheme_atom_led, cons, 1, 1))
+ int32_t delay;
+
+ if (!ao_scheme_check_argc(_ao_scheme_atom_delay, cons, 1, 1))
return AO_SCHEME_NIL;
- if (!ao_scheme_check_argt(_ao_scheme_atom_led, cons, 0, AO_SCHEME_INT, 0))
+ delay = ao_scheme_arg_int(_ao_scheme_atom_delay, cons, 0);
+ if (delay == AO_SCHEME_NOT_INTEGER)
return AO_SCHEME_NIL;
- delay = ao_scheme_arg(cons, 0);
- ao_scheme_os_delay(ao_scheme_poly_int(delay));
+ ao_scheme_os_delay(delay);
return delay;
}
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 (k == AO_SCHEME_NOT_INTEGER)
+ 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)
{