diff options
| author | Keith Packard <keithp@keithp.com> | 2016-11-15 20:18:59 -0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2016-11-17 22:18:39 -0800 |
| commit | ddb16207e736647ee5b1f023c1b8810effa18234 (patch) | |
| tree | addbe49cb4dc694fe55207a732bb0e0fcfd8d59b /src/lisp/ao_lisp_atom.c | |
| parent | 8e4d467b21b0df987234cd7fd09d763021c6e288 (diff) | |
altos/lisp: re-use small frames
This saves a pile more use of the allocator by noting when frames have
not been referenced from another frame and freeing them when they go
out of scope. Frames with references are left to the allocator to deal
with.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/lisp/ao_lisp_atom.c')
| -rw-r--r-- | src/lisp/ao_lisp_atom.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/lisp/ao_lisp_atom.c b/src/lisp/ao_lisp_atom.c index 6705f140..8c9e8ed1 100644 --- a/src/lisp/ao_lisp_atom.c +++ b/src/lisp/ao_lisp_atom.c @@ -108,7 +108,7 @@ ao_lisp_atom_init(void) ao_lisp_frame_global = ao_lisp_frame_new(0); } -static ao_poly * +ao_poly * ao_lisp_atom_ref(struct ao_lisp_frame *frame, ao_poly atom) { ao_poly *ref; @@ -117,7 +117,7 @@ ao_lisp_atom_ref(struct ao_lisp_frame *frame, ao_poly atom) ref = ao_lisp_frame_ref(frame, atom); if (ref) return ref; - frame = ao_lisp_poly_frame(frame->next); + frame = ao_lisp_poly_frame(frame->prev); } if (ao_lisp_frame_global) { ref = ao_lisp_frame_ref(ao_lisp_frame_global, atom); |