X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fscheme%2Fao_scheme_port.c;fp=src%2Fscheme%2Fao_scheme_port.c;h=0000000000000000000000000000000000000000;hp=b5e5d8dc7bbc4846e3ee3c98d20cca005f40587e;hb=f26cc1a677f577da533425a15485fcaa24626b23;hpb=4b52fc6eea9a478cb3dd42dcd32c92838df39734

diff --git a/src/scheme/ao_scheme_port.c b/src/scheme/ao_scheme_port.c
deleted file mode 100644
index b5e5d8dc..00000000
--- a/src/scheme/ao_scheme_port.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * Copyright © 2018 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"
-
-#ifdef AO_SCHEME_FEATURE_PORT
-
-static void port_mark(void *addr)
-{
-	(void) addr;
-}
-
-static int port_size(void *addr)
-{
-	(void) addr;
-	return sizeof(struct ao_scheme_port);
-}
-
-static void port_move(void *addr)
-{
-	struct ao_scheme_port	*port = addr;
-
-	(void) ao_scheme_poly_move(&port->next, 0);
-}
-
-const struct ao_scheme_type	ao_scheme_port_type = {
-	.mark = port_mark,
-	.size = port_size,
-	.move = port_move,
-	.name = "port",
-};
-
-void
-ao_scheme_port_write(FILE *out, ao_poly v, bool write)
-{
-	(void) write;
-	ao_scheme_fprintf(out, "#port<%d>", fileno(ao_scheme_poly_port(v)->file));
-}
-
-ao_poly		ao_scheme_stdin, ao_scheme_stdout, ao_scheme_stderr;
-
-ao_poly		ao_scheme_open_ports;
-
-void
-ao_scheme_port_check_references(void)
-{
-	struct ao_scheme_port	*p;
-
-	for (p = ao_scheme_poly_port(ao_scheme_open_ports); p; p = ao_scheme_poly_port(p->next)) {
-		if (!ao_scheme_marked(p))
-			ao_scheme_port_close(p);
-	}
-}
-
-struct ao_scheme_port *
-ao_scheme_port_alloc(FILE *file, bool stayopen)
-{
-	struct ao_scheme_port	*p;
-
-	p = ao_scheme_alloc(sizeof (struct ao_scheme_port));
-	if (!p)
-		return NULL;
-	p->type = AO_SCHEME_PORT;
-	p->stayopen = stayopen;
-	p->file = file;
-	p->next = ao_scheme_open_ports;
-	ao_scheme_open_ports = ao_scheme_port_poly(p);
-	return p;
-}
-
-void
-ao_scheme_port_close(struct ao_scheme_port *port)
-{
-	ao_poly			*prev;
-	struct ao_scheme_port	*ref;
-
-	if (port->file && !port->stayopen) {
-		fclose(port->file);
-		port->file = NULL;
-		for (prev = &ao_scheme_open_ports; (ref = ao_scheme_poly_port(*prev)); prev = &ref->next)
-			if (ref == port) {
-				*prev = port->next;
-				break;
-			}
-	}
-}
-
-ao_poly
-ao_scheme_do_portp(struct ao_scheme_cons *cons)
-{
-	return ao_scheme_do_typep(_ao_scheme_atom_port3f, AO_SCHEME_PORT, cons);
-}
-
-ao_poly
-ao_scheme_do_port_openp(struct ao_scheme_cons *cons)
-{
-	struct ao_scheme_port	*port;
-
-	if (!ao_scheme_parse_args(_ao_scheme_atom_port2dopen3f, cons,
-				  AO_SCHEME_PORT, &port,
-				  AO_SCHEME_ARG_END))
-		return AO_SCHEME_NIL;
-	return port->file ? _ao_scheme_bool_true : _ao_scheme_bool_false;
-}
-
-static ao_poly
-ao_scheme_do_open_file(ao_poly proc, struct ao_scheme_cons *cons, const char *mode)
-{
-	FILE			*file;
-	struct ao_scheme_string	*name;
-
-	if (!ao_scheme_parse_args(proc, cons,
-				  AO_SCHEME_STRING, &name,
-				  AO_SCHEME_ARG_END))
-		return AO_SCHEME_NIL;
-	file = fopen(name->val, mode);
-	if (!file)
-		return ao_scheme_error(AO_SCHEME_FILEERROR,
-				       "%v: no such file \"%v\"",
-				       proc, name);
-	return ao_scheme_port_poly(ao_scheme_port_alloc(file, false));
-}
-
-ao_poly
-ao_scheme_do_open_input_file(struct ao_scheme_cons *cons)
-{
-	return ao_scheme_do_open_file(_ao_scheme_atom_open2dinput2dfile, cons, "r");
-}
-
-ao_poly
-ao_scheme_do_open_output_file(struct ao_scheme_cons *cons)
-{
-	return ao_scheme_do_open_file(_ao_scheme_atom_open2doutput2dfile, cons, "w");
-}
-
-ao_poly
-ao_scheme_do_close_port(struct ao_scheme_cons *cons)
-{
-	struct ao_scheme_port	*port;
-
-	if (!ao_scheme_parse_args(_ao_scheme_atom_port2dopen3f, cons,
-				  AO_SCHEME_PORT, &port,
-				  AO_SCHEME_ARG_END))
-		return AO_SCHEME_NIL;
-	ao_scheme_port_close(port);
-	return _ao_scheme_bool_true;
-}
-
-ao_poly
-ao_scheme_do_current_input_port(struct ao_scheme_cons *cons)
-{
-	if (!ao_scheme_parse_args(_ao_scheme_atom_current2dinput2dport, cons,
-				  AO_SCHEME_ARG_END))
-		return AO_SCHEME_NIL;
-	if (!ao_scheme_stdin)
-		ao_scheme_stdin = ao_scheme_port_poly(ao_scheme_port_alloc(stdin, true));
-	return ao_scheme_stdin;
-}
-
-ao_poly
-ao_scheme_do_current_output_port(struct ao_scheme_cons *cons)
-{
-	if (!ao_scheme_parse_args(_ao_scheme_atom_current2doutput2dport, cons,
-				  AO_SCHEME_ARG_END))
-		return AO_SCHEME_NIL;
-	if (!ao_scheme_stdout)
-		ao_scheme_stdout = ao_scheme_port_poly(ao_scheme_port_alloc(stdout, true));
-	return ao_scheme_stdout;
-}
-
-ao_poly
-ao_scheme_do_current_error_port(struct ao_scheme_cons *cons)
-{
-	if (!ao_scheme_parse_args(_ao_scheme_atom_current2derror2dport, cons,
-				  AO_SCHEME_ARG_END))
-		return AO_SCHEME_NIL;
-	if (!ao_scheme_stderr)
-		ao_scheme_stderr = ao_scheme_port_poly(ao_scheme_port_alloc(stderr, true));
-	return ao_scheme_stderr;
-}
-
-#endif /* AO_SCHEME_FEATURE_PORT */