1 files changed, 0 insertions, 298 deletions
diff --git a/src/scheme/ao_scheme_atom.c b/src/scheme/ao_scheme_atom.c
deleted file mode 100644
index 2a568ed9..00000000
--- a/src/scheme/ao_scheme_atom.c
+++ /dev/null
@@ -1,298 +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)
-{
-	MDBG_MOVE("mark atom %s\n", ((struct ao_scheme_atom *) addr)->name);
-	(void) addr;
-}
-
-static void atom_move(void *addr)
-{
-	(void) addr;
-}
-
-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(const char *name)
-{
-	struct ao_scheme_atom	*atom;
-
-#ifdef ao_builtin_atoms
-	if (!ao_scheme_atoms)
-		ao_scheme_atoms = ao_scheme_poly_atom(ao_builtin_atoms);
-#endif
-	for (atom = ao_scheme_atoms; atom; atom = ao_scheme_poly_atom(atom->next)) {
-		if (!strcmp(atom->name, name))
-			return atom;
-	}
-	return NULL;
-}
-
-#ifdef AO_SCHEME_MAKE_CONST
-
-#define AO_SCHEME_BUILTIN_SYNTAX_ATOMS
-#include "ao_scheme_builtin.h"
-#undef AO_SCHEME_BUILTIN_SYNTAX_ATOMS
-
-static void
-ao_scheme_atom_mark_syntax(void)
-{
-	unsigned	a;
-	for (a = 0; a < sizeof(syntax_atoms)/sizeof(syntax_atoms[0]); a++) {
-		struct ao_scheme_atom *atom = ao_scheme_atom_find(syntax_atoms[a]);
-		if (atom)
-			ao_scheme_mark_memory(&ao_scheme_atom_type, atom);
-	}
-}
-
-#else
-#define ao_scheme_atom_mark_syntax()
-#endif
-
-void
-ao_scheme_atom_move(void)
-{
-	struct ao_scheme_atom	*atom;
-	ao_scheme_move_memory(&ao_scheme_atom_type, (void **) (void *) &ao_scheme_atoms);
-	for (atom = ao_scheme_atoms; atom; atom = ao_scheme_poly_atom(atom->next)) {
-		if (!ao_scheme_is_pool_addr(atom)) {
-			MDBG_DO(printf("atom out of pool %s\n", atom->name));
-			break;
-		}
-		MDBG_DO(printf("move atom %s\n", atom->name));
-		ao_scheme_poly_move(&atom->next, 0);
-	}
-}
-
-void
-ao_scheme_atom_check_references(void)
-{
-	struct ao_scheme_atom	*atom;
-	ao_poly			*prev = NULL;
-
-	ao_scheme_atom_mark_syntax();
-	for (atom = ao_scheme_atoms; atom; atom = ao_scheme_poly_atom(atom->next)) {
-		if (!ao_scheme_marked(atom)) {
-			MDBG_DO(printf("unreferenced atom %s\n", atom->name));
-			if (prev)
-				*prev = atom->next;
-			else
-				ao_scheme_atoms = ao_scheme_poly_atom(atom->next);
-		} else
-			prev = &atom->next;
-	}
-}
-
-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_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(FILE *out, ao_poly a, bool write)
-{
-	struct ao_scheme_atom *atom = ao_scheme_poly_atom(a);
-	(void) write;
-	fprintf(out, "%s", atom->name);
-}
-
-ao_poly
-ao_scheme_do_symbolp(struct ao_scheme_cons *cons)
-{
-	return ao_scheme_do_typep(_ao_scheme_atom_symbol3f, AO_SCHEME_ATOM, cons);
-}
-
-ao_poly
-ao_scheme_do_set(struct ao_scheme_cons *cons)
-{
-	ao_poly	atom;
-	ao_poly val;
-	ao_poly *ref;
-
-	if (!ao_scheme_parse_args(_ao_scheme_atom_set, cons,
-				  AO_SCHEME_ATOM|AO_SCHEME_ARG_RET_POLY, &atom,
-				  AO_SCHEME_POLY, &val,
-				  AO_SCHEME_ARG_END))
-		return AO_SCHEME_NIL;
-
-	ref = ao_scheme_atom_ref(atom, NULL);
-
-	if (!ref)
-		return ao_scheme_error(AO_SCHEME_UNDEFINED, "%v: undefined atom %v",
-				       _ao_scheme_atom_set, atom);
-	*ref = val;
-	return val;
-}
-
-ao_poly
-ao_scheme_do_def(struct ao_scheme_cons *cons)
-{
-	ao_poly	atom;
-	ao_poly	val;
-
-	if (!ao_scheme_parse_args(_ao_scheme_atom_set, cons,
-				  AO_SCHEME_ATOM|AO_SCHEME_ARG_RET_POLY, &atom,
-				  AO_SCHEME_POLY, &val,
-				  AO_SCHEME_ARG_END))
-		return AO_SCHEME_NIL;
-	return ao_scheme_atom_def(atom, val);
-}
-
-ao_poly
-ao_scheme_do_setq(struct ao_scheme_cons *cons)
-{
-	ao_poly	atom;
-	ao_poly	val;
-	ao_poly	p;
-
-	if (!ao_scheme_parse_args(_ao_scheme_atom_set21, cons,
-				  AO_SCHEME_ATOM|AO_SCHEME_ARG_RET_POLY, &atom,
-				  AO_SCHEME_POLY, &val,
-				  AO_SCHEME_ARG_END))
-		return AO_SCHEME_NIL;
-	if (!ao_scheme_atom_ref(atom, NULL))
-		return ao_scheme_error(AO_SCHEME_INVALID, "%v: symbol %v not defined",
-				       _ao_scheme_atom_set21, atom);
-	/*
-	 * Build the macro return -- `(set (quote ,atom) ,val)
-	 */
-	ao_scheme_poly_stash(cons->cdr);
-	p = ao_scheme_cons(atom, AO_SCHEME_NIL);
-	p = ao_scheme_cons(_ao_scheme_atom_quote, p);
-	p = ao_scheme_cons(p, ao_scheme_poly_fetch());
-	return ao_scheme_cons(_ao_scheme_atom_set, p);
-}
-
-#ifdef AO_SCHEME_FEATURE_UNDEF
-ao_poly
-ao_scheme_do_undef(struct ao_scheme_cons *cons)
-{
-	ao_poly	atom;
-
-	if (!ao_scheme_parse_args(_ao_scheme_atom_set, cons,
-				  AO_SCHEME_ATOM|AO_SCHEME_ARG_RET_POLY, &atom,
-				  AO_SCHEME_ARG_END))
-		return AO_SCHEME_NIL;
-	return ao_scheme_frame_del(ao_scheme_frame_global, atom);
-}
-#endif