diff options
author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-02-05 14:40:01 +0000 |
---|---|---|
committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-02-05 14:40:01 +0000 |
commit | ed0fd0279617024a608a8ee4c1aa931db61e92c4 (patch) | |
tree | 81352865082b7b567c9d8185de9bfc40bed82aaf /ruby.h | |
parent | 2746f3352b0b6854420529a6432167b4cf03c13f (diff) |
* ruby.h (struct RStruct): embed 3 or less elements structs.
(RSTRUCT_LEN): defined for accessing struct members.
(RSTRUCT_PTR): ditto.
* struct.c: use RSTRUCT_LEN and RSTRUCT_PTR.
(struct_alloc): allocate small structs in embedded format.
(rb_struct_init_copy): ditto.
* gc.c (gc_mark_children): use RSTRUCT_LEN and RSTRUCT_PTR.
(obj_free): ditto.
* marshal.c (w_object): use RSTRUCT_LEN and RSTRUCT_PTR.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9895 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby.h')
-rw-r--r-- | ruby.h | 20 |
1 files changed, 18 insertions, 2 deletions
@@ -417,11 +417,27 @@ VALUE rb_data_object_alloc(VALUE,void*,RUBY_DATA_FUNC,RUBY_DATA_FUNC); sval = (type*)DATA_PTR(obj);\ } while (0) +#define RSTRUCT_EMBED_LEN_MAX 3 struct RStruct { struct RBasic basic; - long len; - VALUE *ptr; + union { + struct { + long len; + VALUE *ptr; + } heap; + VALUE ary[RSTRUCT_EMBED_LEN_MAX]; + } as; }; +#define RSTRUCT_EMBED_LEN_MASK (FL_USER1|FL_USER0) +#define RSTRUCT_EMBED_LEN_SHIFT FL_USHIFT +#define RSTRUCT_LEN(st) \ + ((RBASIC(st)->flags & RSTRUCT_EMBED_LEN_MASK) ? \ + (RBASIC(st)->flags >> RSTRUCT_EMBED_LEN_SHIFT) & 3 : \ + RSTRUCT(st)->as.heap.len) +#define RSTRUCT_PTR(st) \ + ((RBASIC(st)->flags & RSTRUCT_EMBED_LEN_MASK) ? \ + RSTRUCT(st)->as.ary : \ + RSTRUCT(st)->as.heap.ptr) struct RBignum { struct RBasic basic; |