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"
17 static void ao_scheme_invalid_write(FILE *out, ao_poly p, bool write) {
18 fprintf(out, "??? type %d poly 0x%04x ???", ao_scheme_poly_type (p), p);
23 static void (*const ao_scheme_write_funcs[AO_SCHEME_NUM_TYPE]) (FILE *out, ao_poly p, bool write) = {
24 [AO_SCHEME_CONS] = ao_scheme_cons_write,
25 #ifdef AO_SCHEME_FEATURE_BIGINT
26 [AO_SCHEME_BIGINT] = ao_scheme_bigint_write,
28 [AO_SCHEME_INT] = ao_scheme_int_write,
29 [AO_SCHEME_ATOM] = ao_scheme_atom_write,
30 [AO_SCHEME_BUILTIN] = ao_scheme_builtin_write,
31 [AO_SCHEME_FRAME] = ao_scheme_frame_write,
32 [AO_SCHEME_FRAME_VALS] = ao_scheme_invalid_write,
33 [AO_SCHEME_LAMBDA] = ao_scheme_lambda_write,
34 [AO_SCHEME_STACK] = ao_scheme_stack_write,
35 [AO_SCHEME_BOOL] = ao_scheme_bool_write,
36 [AO_SCHEME_STRING] = ao_scheme_string_write,
37 #ifdef AO_SCHEME_FEATURE_FLOAT
38 [AO_SCHEME_FLOAT] = ao_scheme_float_write,
40 #ifdef AO_SCHEME_FEATURE_VECTOR
41 [AO_SCHEME_VECTOR] = ao_scheme_vector_write,
43 #ifdef AO_SCHEME_FEATURE_PORT
44 [AO_SCHEME_PORT] = ao_scheme_port_write,
48 void (*ao_scheme_poly_write_func(ao_poly p))(FILE *out, ao_poly p, bool write)
50 uint8_t type = ao_scheme_poly_type(p);
52 if (type < AO_SCHEME_NUM_TYPE)
53 return ao_scheme_write_funcs[type];
54 return ao_scheme_invalid_write;
58 ao_scheme_ref(ao_poly poly) {
59 if (poly == AO_SCHEME_NIL)
61 if (poly & AO_SCHEME_CONST)
62 return (void *) (ao_scheme_const + (poly & AO_SCHEME_REF_MASK) - 4);
63 return (void *) (ao_scheme_pool + (poly & AO_SCHEME_REF_MASK) - 4);
67 ao_scheme_poly(const void *addr, ao_poly type) {
68 const uint8_t *a = addr;
71 if (ao_scheme_is_const_addr(a))
72 return AO_SCHEME_CONST | (a - ao_scheme_const + 4) | type;
73 return (a - ao_scheme_pool + 4) | type;