1 files changed, 0 insertions, 208 deletions
diff --git a/src/scheme/ao_scheme_lambda.c b/src/scheme/ao_scheme_lambda.c
deleted file mode 100644
index 18470efe..00000000
--- a/src/scheme/ao_scheme_lambda.c
+++ /dev/null
@@ -1,208 +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
-lambda_size(void *addr)
-{
-	(void) addr;
-	return sizeof (struct ao_scheme_lambda);
-}
-
-static void
-lambda_mark(void *addr)
-{
-	struct ao_scheme_lambda	*lambda = addr;
-
-	ao_scheme_poly_mark(lambda->code, 0);
-	ao_scheme_poly_mark(lambda->frame, 0);
-}
-
-static void
-lambda_move(void *addr)
-{
-	struct ao_scheme_lambda	*lambda = addr;
-
-	ao_scheme_poly_move(&lambda->code, 0);
-	ao_scheme_poly_move(&lambda->frame, 0);
-}
-
-const struct ao_scheme_type ao_scheme_lambda_type = {
-	.size = lambda_size,
-	.mark = lambda_mark,
-	.move = lambda_move,
-	.name = "lambda",
-};
-
-void
-ao_scheme_lambda_write(FILE *out, ao_poly poly, bool write)
-{
-	struct ao_scheme_lambda	*lambda = ao_scheme_poly_lambda(poly);
-	struct ao_scheme_cons	*cons = ao_scheme_poly_cons(lambda->code);
-
-	putc('(', out);
-	fputs(ao_scheme_args_name(lambda->args), out);
-	while (cons) {
-		putc(' ', out);
-		ao_scheme_poly_write(out, cons->car, write);
-		cons = ao_scheme_poly_cons(cons->cdr);
-	}
-	putc(')', out);
-}
-
-static ao_poly
-ao_scheme_lambda_alloc(struct ao_scheme_cons *code, int args)
-{
-	struct ao_scheme_lambda	*lambda;
-	ao_poly			formal;
-	struct ao_scheme_cons	*cons;
-
-	formal = ao_scheme_arg(code, 0);
-	while (formal != AO_SCHEME_NIL) {
-		switch (ao_scheme_poly_type(formal)) {
-		case AO_SCHEME_CONS:
-			cons = ao_scheme_poly_cons(formal);
-			if (ao_scheme_poly_type(cons->car) != AO_SCHEME_ATOM)
-				return ao_scheme_error(AO_SCHEME_INVALID, "formal %p is not atom", cons->car);
-			formal = cons->cdr;
-			break;
-		case AO_SCHEME_ATOM:
-			formal = AO_SCHEME_NIL;
-			break;
-		default:
-			return ao_scheme_error(AO_SCHEME_INVALID, "formal %p is not atom", formal);
-		}
-	}
-
-	ao_scheme_cons_stash(code);
-	lambda = ao_scheme_alloc(sizeof (struct ao_scheme_lambda));
-	code = ao_scheme_cons_fetch();
-	if (!lambda)
-		return AO_SCHEME_NIL;
-
-	lambda->type = AO_SCHEME_LAMBDA;
-	lambda->args = args;
-	lambda->code = ao_scheme_cons_poly(code);
-	lambda->frame = ao_scheme_frame_mark(ao_scheme_frame_current);
-	DBGI("build frame: "); DBG_POLY(lambda->frame); DBG("\n");
-	DBG_STACK();
-	return ao_scheme_lambda_poly(lambda);
-}
-
-ao_poly
-ao_scheme_do_lambda(struct ao_scheme_cons *cons)
-{
-	return ao_scheme_lambda_alloc(cons, AO_SCHEME_FUNC_LAMBDA);
-}
-
-ao_poly
-ao_scheme_do_nlambda(struct ao_scheme_cons *cons)
-{
-	return ao_scheme_lambda_alloc(cons, AO_SCHEME_FUNC_NLAMBDA);
-}
-
-ao_poly
-ao_scheme_do_macro(struct ao_scheme_cons *cons)
-{
-	return ao_scheme_lambda_alloc(cons, AO_SCHEME_FUNC_MACRO);
-}
-
-ao_poly
-ao_scheme_lambda_eval(void)
-{
-	struct ao_scheme_lambda	*lambda = ao_scheme_poly_lambda(ao_scheme_v);
-	struct ao_scheme_cons	*cons = ao_scheme_poly_cons(ao_scheme_stack->values);
-	struct ao_scheme_cons	*code = ao_scheme_poly_cons(lambda->code);
-	ao_poly			formals;
-	struct ao_scheme_frame	*next_frame;
-	int			args_wanted;
-	ao_poly			varargs = AO_SCHEME_NIL;
-	int			args_provided;
-	int			f;
-	struct ao_scheme_cons	*vals;
-
-	DBGI("lambda "); DBG_POLY(ao_scheme_lambda_poly(lambda)); DBG("\n");
-
-	args_wanted = 0;
-	for (formals = ao_scheme_arg(code, 0);
-	     ao_scheme_is_pair(formals);
-	     formals = ao_scheme_poly_cons(formals)->cdr)
-		++args_wanted;
-	if (formals != AO_SCHEME_NIL) {
-		if (ao_scheme_poly_type(formals) != AO_SCHEME_ATOM)
-			return ao_scheme_error(AO_SCHEME_INVALID, "bad lambda form");
-		varargs = formals;
-	}
-
-	/* Create a frame to hold the variables
-	 */
-	args_provided = ao_scheme_cons_length(cons) - 1;
-	if (varargs == AO_SCHEME_NIL) {
-		if (args_wanted != args_provided)
-			return ao_scheme_error(AO_SCHEME_INVALID, "need %d args, got %d", args_wanted, args_provided);
-	} else {
-		if (args_provided < args_wanted)
-			return ao_scheme_error(AO_SCHEME_INVALID, "need at least %d args, got %d", args_wanted, args_provided);
-	}
-
-	ao_scheme_poly_stash(varargs);
-	next_frame = ao_scheme_frame_new(args_wanted + (varargs != AO_SCHEME_NIL));
-	varargs = ao_scheme_poly_fetch();
-	if (!next_frame)
-		return AO_SCHEME_NIL;
-
-	/* Re-fetch all of the values in case something moved */
-	lambda = ao_scheme_poly_lambda(ao_scheme_v);
-	cons = ao_scheme_poly_cons(ao_scheme_stack->values);
-	code = ao_scheme_poly_cons(lambda->code);
-	formals = ao_scheme_arg(code, 0);
-	vals = ao_scheme_poly_cons(cons->cdr);
-
-	next_frame->prev = lambda->frame;
-	ao_scheme_frame_current = next_frame;
-	ao_scheme_stack->frame = ao_scheme_frame_poly(ao_scheme_frame_current);
-
-	for (f = 0; f < args_wanted; f++) {
-		struct ao_scheme_cons *arg = ao_scheme_poly_cons(formals);
-		DBGI("bind "); DBG_POLY(arg->car); DBG(" = "); DBG_POLY(vals->car); DBG("\n");
-		ao_scheme_frame_bind(next_frame, f, arg->car, vals->car);
-		formals = arg->cdr;
-		vals = ao_scheme_poly_cons(vals->cdr);
-	}
-	if (varargs) {
-		DBGI("bind "); DBG_POLY(varargs); DBG(" = "); DBG_POLY(ao_scheme_cons_poly(vals)); DBG("\n");
-		/*
-		 * Bind the rest of the arguments to the final parameter
-		 */
-		ao_scheme_frame_bind(next_frame, f, varargs, ao_scheme_cons_poly(vals));
-	} else {
-		/*
-		 * Mark the cons cells from the actuals as freed for immediate re-use, unless
-		 * the actuals point into the source function (nlambdas and macros), or if the
-		 * stack containing them was copied as a part of a continuation
-		 */
-		if (lambda->args == AO_SCHEME_FUNC_LAMBDA && !ao_scheme_stack_marked(ao_scheme_stack)) {
-			ao_scheme_stack->values = AO_SCHEME_NIL;
-			ao_scheme_cons_free(cons);
-		}
-	}
-	DBGI("eval frame: "); DBG_POLY(ao_scheme_frame_poly(next_frame)); DBG("\n");
-	DBG_STACK();
-	DBGI("eval code: "); DBG_POLY(code->cdr); DBG("\n");
-	return code->cdr;
-}