diff options
| author | Keith Packard <keithp@keithp.com> | 2016-11-14 21:25:38 -0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2016-11-17 22:18:39 -0800 |
| commit | c0a56550cf647a1647392557e82bcaa96934cd51 (patch) | |
| tree | fe72c38d0dbc28626320bc41219f4d90a6254131 /src/lisp/ao_lisp.h | |
| parent | 65fcd6afa22bfefb61420e668c16632657eb8b4f (diff) | |
altos/lisp: Cache freed cons and stack items
Track freed cons cells and stack items from the eval process where
possible so that they can be re-used without needing to collect.
This dramatically reduces the number of collect calls.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/lisp/ao_lisp.h')
| -rw-r--r-- | src/lisp/ao_lisp.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/lisp/ao_lisp.h b/src/lisp/ao_lisp.h index e90d791a..efd13cf5 100644 --- a/src/lisp/ao_lisp.h +++ b/src/lisp/ao_lisp.h @@ -206,6 +206,7 @@ ao_lisp_stack_poly(struct ao_lisp_stack *stack) } extern struct ao_lisp_stack *ao_lisp_stack; +extern struct ao_lisp_stack *ao_lisp_stack_free_list; extern ao_poly ao_lisp_v; #define AO_LISP_FUNC_LAMBDA 0 @@ -213,6 +214,14 @@ extern ao_poly ao_lisp_v; #define AO_LISP_FUNC_MACRO 2 #define AO_LISP_FUNC_LEXPR 3 +#define AO_LISP_FUNC_FREE_ARGS 0x80 +#define AO_LISP_FUNC_MASK 0x7f + +#define AO_LISP_FUNC_F_LAMBDA (AO_LISP_FUNC_FREE_ARGS | AO_LISP_FUNC_LAMBDA) +#define AO_LISP_FUNC_F_NLAMBDA (AO_LISP_FUNC_FREE_ARGS | AO_LISP_FUNC_NLAMBDA) +#define AO_LISP_FUNC_F_MACRO (AO_LISP_FUNC_FREE_ARGS | AO_LISP_FUNC_MACRO) +#define AO_LISP_FUNC_F_LEXPR (AO_LISP_FUNC_FREE_ARGS | AO_LISP_FUNC_LEXPR) + struct ao_lisp_builtin { uint8_t type; uint8_t args; @@ -390,6 +399,9 @@ ao_lisp_builtin_poly(struct ao_lisp_builtin *b) } /* memory functions */ + +extern int ao_lisp_collects; + /* returns 1 if the object was already marked */ int ao_lisp_mark(const struct ao_lisp_type *type, void *addr); @@ -439,6 +451,11 @@ extern const struct ao_lisp_type ao_lisp_cons_type; struct ao_lisp_cons * ao_lisp_cons_cons(ao_poly car, struct ao_lisp_cons *cdr); +extern struct ao_lisp_cons *ao_lisp_cons_free_list; + +void +ao_lisp_cons_free(struct ao_lisp_cons *cons); + void ao_lisp_cons_print(ao_poly); |