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make arrays to share bodies

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This commit is contained in:
Yukihiro Matsumoto
2012-06-03 23:05:31 +09:00
parent 3be1c88907
commit e4529c065d
4 changed files with 175 additions and 77 deletions
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include/mruby/array.h
+12 -2
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@@ -11,10 +11,19 @@
extern "C" {
#endif
struct mrb_shared_array {
int refcnt;
mrb_value *buf;
int len;
};
struct RArray {
MRUBY_OBJECT_HEADER;
int len;
int capa;
union {
int capa;
struct mrb_shared_array *shared;
} aux;
mrb_value *buf;
};
@@ -24,7 +33,9 @@ struct RArray {
#define RARRAY_LEN(a) (RARRAY(a)->len)
#define RARRAY_PTR(a) (RARRAY(a)->buf)
#define MRB_ARY_SHARED 256
void mrb_ary_decref(mrb_state*, struct mrb_shared_array*);
mrb_value mrb_ary_new_capa(mrb_state*, int);
mrb_value mrb_ary_new(mrb_state *mrb);
mrb_value mrb_ary_new_elts(mrb_state *mrb, int n, const mrb_value *elts);
@@ -43,7 +54,6 @@ mrb_value mrb_ary_unshift(mrb_state *mrb, mrb_value self, mrb_value item);
mrb_value mrb_ary_new4(mrb_state *mrb, int n, const mrb_value *elts);
mrb_value mrb_assoc_new(mrb_state *mrb, mrb_value car, mrb_value cdr);
mrb_value mrb_ary_entry(mrb_value ary, int offset);
mrb_value mrb_ary_tmp_new(mrb_state *mrb, int capa);
mrb_value mrb_ary_sort(mrb_state *mrb, mrb_value ary);
mrb_value mrb_ary_shift(mrb_state *mrb, mrb_value self);