+++ /dev/null
-/*
- * 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"
-
-static void ao_scheme_invalid_write(FILE *out, ao_poly p, bool write) {
- fprintf(out, "??? type %d poly 0x%04x ???", ao_scheme_poly_type (p), p);
- (void) write;
- ao_scheme_abort();
-}
-
-static void (*const ao_scheme_write_funcs[AO_SCHEME_NUM_TYPE]) (FILE *out, ao_poly p, bool write) = {
- [AO_SCHEME_CONS] = ao_scheme_cons_write,
-#ifdef AO_SCHEME_FEATURE_BIGINT
- [AO_SCHEME_BIGINT] = ao_scheme_bigint_write,
-#endif
- [AO_SCHEME_INT] = ao_scheme_int_write,
- [AO_SCHEME_ATOM] = ao_scheme_atom_write,
- [AO_SCHEME_BUILTIN] = ao_scheme_builtin_write,
- [AO_SCHEME_FRAME] = ao_scheme_frame_write,
- [AO_SCHEME_FRAME_VALS] = ao_scheme_invalid_write,
- [AO_SCHEME_LAMBDA] = ao_scheme_lambda_write,
- [AO_SCHEME_STACK] = ao_scheme_stack_write,
- [AO_SCHEME_BOOL] = ao_scheme_bool_write,
- [AO_SCHEME_STRING] = ao_scheme_string_write,
-#ifdef AO_SCHEME_FEATURE_FLOAT
- [AO_SCHEME_FLOAT] = ao_scheme_float_write,
-#endif
-#ifdef AO_SCHEME_FEATURE_VECTOR
- [AO_SCHEME_VECTOR] = ao_scheme_vector_write,
-#endif
-#ifdef AO_SCHEME_FEATURE_PORT
- [AO_SCHEME_PORT] = ao_scheme_port_write,
-#endif
-};
-
-void (*ao_scheme_poly_write_func(ao_poly p))(FILE *out, ao_poly p, bool write)
-{
- uint8_t type = ao_scheme_poly_type(p);
-
- if (type < AO_SCHEME_NUM_TYPE)
- return ao_scheme_write_funcs[type];
- return ao_scheme_invalid_write;
-}
-
-void *
-ao_scheme_ref(ao_poly poly) {
- if (poly == AO_SCHEME_NIL)
- return NULL;
- if (poly & AO_SCHEME_CONST)
- return (void *) (ao_scheme_const + (poly & AO_SCHEME_REF_MASK) - 4);
- return (void *) (ao_scheme_pool + (poly & AO_SCHEME_REF_MASK) - 4);
-}
-
-ao_poly
-ao_scheme_poly(const void *addr, ao_poly type) {
- const uint8_t *a = addr;
- if (a == NULL)
- return AO_SCHEME_NIL;
- if (ao_scheme_is_const_addr(a))
- return AO_SCHEME_CONST | (a - ao_scheme_const + 4) | type;
- return (a - ao_scheme_pool + 4) | type;
-}