X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fscheme%2Fao_scheme_atom.c;h=745c32fee48ddf6ae615034629b2296852445b7a;hb=master;hp=c72a2b27e1f803f2c066ecb04a77ffd0a2262c9a;hpb=ed1f7b79abc7400a54b35fbf62c9db6855f9129a;p=fw%2Faltos

diff --git a/src/scheme/ao_scheme_atom.c b/src/scheme/ao_scheme_atom.c
deleted file mode 100644
index c72a2b27..00000000
--- a/src/scheme/ao_scheme_atom.c
+++ /dev/null
@@ -1,196 +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; version 2 of the License.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-#include "ao_scheme.h"
-
-static int name_size(char *name)
-{
-	return sizeof(struct ao_scheme_atom) + strlen(name) + 1;
-}
-
-static int atom_size(void *addr)
-{
-	struct ao_scheme_atom	*atom = addr;
-	if (!atom)
-		return 0;
-	return name_size(atom->name);
-}
-
-static void atom_mark(void *addr)
-{
-	struct ao_scheme_atom	*atom = addr;
-
-	for (;;) {
-		atom = ao_scheme_poly_atom(atom->next);
-		if (!atom)
-			break;
-		if (ao_scheme_mark_memory(&ao_scheme_atom_type, atom))
-			break;
-	}
-}
-
-static void atom_move(void *addr)
-{
-	struct ao_scheme_atom	*atom = addr;
-	int			ret;
-
-	for (;;) {
-		struct ao_scheme_atom *next = ao_scheme_poly_atom(atom->next);
-
-		if (!next)
-			break;
-		ret = ao_scheme_move_memory(&ao_scheme_atom_type, (void **) &next);
-		if (next != ao_scheme_poly_atom(atom->next))
-			atom->next = ao_scheme_atom_poly(next);
-		if (ret)
-			break;
-		atom = next;
-	}
-}
-
-const struct ao_scheme_type ao_scheme_atom_type = {
-	.mark = atom_mark,
-	.size = atom_size,
-	.move = atom_move,
-	.name = "atom"
-};
-
-struct ao_scheme_atom	*ao_scheme_atoms;
-
-static struct ao_scheme_atom *
-ao_scheme_atom_find(char *name)
-{
-	struct ao_scheme_atom	*atom;
-
-	for (atom = ao_scheme_atoms; atom; atom = ao_scheme_poly_atom(atom->next)) {
-		if (!strcmp(atom->name, name))
-			return atom;
-	}
-#ifdef ao_builtin_atoms
-	for (atom = ao_scheme_poly_atom(ao_builtin_atoms); atom; atom = ao_scheme_poly_atom(atom->next)) {
-		if (!strcmp(atom->name, name))
-			return atom;
-	}
-#endif
-	return NULL;
-}
-
-static void
-ao_scheme_atom_init(struct ao_scheme_atom *atom, char *name)
-{
-	if (atom) {
-		atom->type = AO_SCHEME_ATOM;
-		strcpy(atom->name, name);
-		atom->next = ao_scheme_atom_poly(ao_scheme_atoms);
-		ao_scheme_atoms = atom;
-	}
-}
-
-struct ao_scheme_atom *
-ao_scheme_string_to_atom(struct ao_scheme_string *string)
-{
-	struct ao_scheme_atom	*atom = ao_scheme_atom_find(string->val);
-
-	if (atom)
-		return atom;
-	ao_scheme_string_stash(string);
-	atom = ao_scheme_alloc(name_size(string->val));
-	string = ao_scheme_string_fetch();
-	ao_scheme_atom_init(atom, string->val);
-	return atom;
-}
-
-struct ao_scheme_atom *
-ao_scheme_atom_intern(char *name)
-{
-	struct ao_scheme_atom	*atom = ao_scheme_atom_find(name);
-	if (atom)
-		return atom;
-
-	atom = ao_scheme_alloc(name_size(name));
-	ao_scheme_atom_init(atom, name);
-	return atom;
-}
-
-ao_poly *
-ao_scheme_atom_ref(ao_poly atom, struct ao_scheme_frame **frame_ref)
-{
-	ao_poly	*ref;
-	struct ao_scheme_frame *frame;
-
-	for (frame = ao_scheme_frame_current; frame; frame = ao_scheme_poly_frame(frame->prev)) {
-		ref = ao_scheme_frame_ref(frame, atom);
-		if (ref) {
-			if (frame_ref)
-				*frame_ref = frame;
-			return ref;
-		}
-	}
-	ref = ao_scheme_frame_ref(ao_scheme_frame_global, atom);
-	if (ref)
-		if (frame_ref)
-			*frame_ref = ao_scheme_frame_global;
-	return ref;
-}
-
-ao_poly
-ao_scheme_atom_get(ao_poly atom)
-{
-	ao_poly *ref = ao_scheme_atom_ref(atom, NULL);
-
-#ifdef ao_builtin_frame
-	if (!ref)
-		ref = ao_scheme_frame_ref(ao_scheme_poly_frame(ao_builtin_frame), atom);
-#endif
-	if (ref)
-		return *ref;
-	return ao_scheme_error(AO_SCHEME_UNDEFINED, "undefined atom %s", ao_scheme_poly_atom(atom)->name);
-}
-
-ao_poly
-ao_scheme_atom_set(ao_poly atom, ao_poly val)
-{
-	ao_poly *ref = ao_scheme_atom_ref(atom, NULL);
-
-	if (!ref)
-		return ao_scheme_error(AO_SCHEME_UNDEFINED, "undefined atom %s", ao_scheme_poly_atom(atom)->name);
-	*ref = val;
-	return val;
-}
-
-ao_poly
-ao_scheme_atom_def(ao_poly atom, ao_poly val)
-{
-	struct ao_scheme_frame	*frame;
-	ao_poly *ref = ao_scheme_atom_ref(atom, &frame);
-
-	if (ref) {
-		if (frame == ao_scheme_frame_current)
-			return ao_scheme_error(AO_SCHEME_REDEFINED, "attempt to redefine atom %s", ao_scheme_poly_atom(atom)->name);
-		*ref = val;
-		return val;
-	}
-	return ao_scheme_frame_add(ao_scheme_frame_current ? ao_scheme_frame_current : ao_scheme_frame_global, atom, val);
-}
-
-void
-ao_scheme_atom_write(ao_poly a, bool write)
-{
-	struct ao_scheme_atom *atom = ao_scheme_poly_atom(a);
-	(void) write;
-	printf("%s", atom->name);
-}