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Diffstat (limited to 'src/lisp/ao_lisp.h')
-rw-r--r--src/lisp/ao_lisp.h39
1 files changed, 36 insertions, 3 deletions
diff --git a/src/lisp/ao_lisp.h b/src/lisp/ao_lisp.h
index 7a165cd8..44838a34 100644
--- a/src/lisp/ao_lisp.h
+++ b/src/lisp/ao_lisp.h
@@ -20,6 +20,26 @@
//#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 ao_lisp_atoms;
+ ao_poly ao_lisp_globals;
+};
+
+#define AO_LISP_POOL (AO_LISP_POOL_TOTAL - sizeof (struct ao_lisp_os_save))
+
+int
+ao_lisp_os_save(void);
+
+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];
@@ -85,9 +105,6 @@ extern uint16_t ao_lisp_top;
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;
@@ -228,6 +245,8 @@ enum ao_lisp_builtin_id {
builtin_flush,
builtin_delay,
builtin_led,
+ builtin_save,
+ builtin_restore,
_builtin_last
};
@@ -468,6 +487,12 @@ ao_lisp_poly_move(ao_poly *p, uint8_t note_cons);
/* eval */
+void
+ao_lisp_eval_clear_globals(void);
+
+int
+ao_lisp_eval_restart(void);
+
ao_poly
ao_lisp_eval(ao_poly p);
@@ -542,6 +567,14 @@ ao_lisp_macro(struct ao_lisp_cons *cons);
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