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Improve Array structure

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This commit is contained in:
Miura Hideki
2017-08-18 20:12:00 +09:00
parent 8bf492f127
commit 75ec86ed00
2 changed files with 7 additions and 10 deletions
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include/mruby/array.h
+6 -7
View File
@@ -41,13 +41,12 @@ struct RArray {
#define mrb_ary_value(p) mrb_obj_value((void*)(p))
#define RARRAY(v) ((struct RArray*)(mrb_ptr(v)))
#define MRB_ARY_EMBED 4
#define MRB_ARY_EMBED_MASK 3
#define ARY_EMBED_P(a) ((a)->flags & MRB_ARY_EMBED)
#define ARY_SET_EMBED_FLAG(a) ((a)->flags |= MRB_ARY_EMBED)
#define ARY_UNSET_EMBED_FLAG(a) ((a)->flags &= ~(MRB_ARY_EMBED|MRB_ARY_EMBED_MASK))
#define ARY_EMBED_LEN(a) ((mrb_int)((a)->flags & MRB_ARY_EMBED_MASK))
#define ARY_SET_EMBED_LEN(a,len) (a)->flags = ((a)->flags&~MRB_ARY_EMBED_MASK) | ((len)&MRB_ARY_EMBED_MASK);
#define MRB_ARY_EMBED_MASK 7
#define ARY_EMBED_P(a) ((a)->flags & MRB_ARY_EMBED_MASK)
//#define ARY_SET_EMBED_FLAG(a) ((a)->flags |= MRB_ARY_EMBED)
#define ARY_UNSET_EMBED_FLAG(a) ((a)->flags &= ~(MRB_ARY_EMBED_MASK))
#define ARY_EMBED_LEN(a) (((a)->flags & MRB_ARY_EMBED_MASK) - 1)
#define ARY_SET_EMBED_LEN(a,len) ((a)->flags = ((a)->flags&~MRB_ARY_EMBED_MASK) | (len + 1))
#define ARY_EMBED_PTR(a) (&((a)->as.embed[0]))
#define ARY_LEN(a) (ARY_EMBED_P(a)?ARY_EMBED_LEN(a):(a)->as.heap.len)
src/array.c
+1 -3
View File
@@ -29,8 +29,7 @@ ary_new_capa(mrb_state *mrb, mrb_int capa)
a = (struct RArray*)mrb_obj_alloc(mrb, MRB_TT_ARRAY, mrb->array_class);
if (capa <= MRB_ARY_EMBED_LEN_MAX) {
ARY_SET_EMBED_FLAG(a);
/* ARY_SET_EMBED_LEN(a, 0); */
ARY_SET_EMBED_LEN(a, 0);
}
else {
a->as.heap.ptr = (mrb_value *)mrb_malloc(mrb, blen);
@@ -1048,7 +1047,6 @@ mrb_ary_clear(mrb_state *mrb, mrb_value self)
else if (!ARY_EMBED_P(a)){
mrb_free(mrb, a->as.heap.ptr);
}
ARY_SET_EMBED_FLAG(a);
ARY_SET_EMBED_LEN(a, 0);
return self;