//#include <stdio.h>
#include <ao_lisp_os.h>
+typedef uint16_t ao_poly;
+typedef int16_t ao_signed_poly;
+
+#ifdef AO_LISP_SAVE
+
+struct ao_lisp_os_save {
+ ao_poly atoms;
+ ao_poly globals;
+ uint16_t const_checksum;
+ uint16_t const_checksum_inv;
+};
+
+#define AO_LISP_POOL_EXTRA (sizeof(struct ao_lisp_os_save))
+#define AO_LISP_POOL ((int) (AO_LISP_POOL_TOTAL - AO_LISP_POOL_EXTRA))
+
+int
+ao_lisp_os_save(void);
+
+int
+ao_lisp_os_restore_save(struct ao_lisp_os_save *save, int offset);
+
+int
+ao_lisp_os_restore(void);
+
+#endif
+
#ifdef AO_LISP_MAKE_CONST
#define AO_LISP_POOL_CONST 16384
extern uint8_t ao_lisp_const[AO_LISP_POOL_CONST];
#define _ao_lisp_atom_eval _atom("eval")
#define _ao_lisp_atom_read _atom("read")
#define _ao_lisp_atom_eof _atom("eof")
+#define _ao_lisp_atom_save _atom("save")
+#define _ao_lisp_atom_restore _atom("restore")
#else
#include "ao_lisp_const.h"
#ifndef AO_LISP_POOL
-#define AO_LISP_POOL 16384
+#define AO_LISP_POOL 3072
#endif
-extern uint8_t ao_lisp_pool[AO_LISP_POOL];
+extern uint8_t ao_lisp_pool[AO_LISP_POOL + AO_LISP_POOL_EXTRA];
#endif
/* Primitive types */
extern uint8_t ao_lisp_exception;
-typedef uint16_t ao_poly;
-typedef int16_t ao_signed_poly;
-
static inline int
ao_lisp_is_const(ao_poly poly) {
return poly & AO_LISP_CONST;
builtin_flush,
builtin_delay,
builtin_led,
+ builtin_save,
+ builtin_restore,
_builtin_last
};
/* eval */
+void
+ao_lisp_eval_clear_globals(void);
+
+int
+ao_lisp_eval_restart(void);
+
ao_poly
ao_lisp_eval(ao_poly p);
ao_poly
ao_lisp_lambda_eval(void);
+/* save */
+
+ao_poly
+ao_lisp_save(struct ao_lisp_cons *cons);
+
+ao_poly
+ao_lisp_restore(struct ao_lisp_cons *cons);
+
/* error */
void