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make embed string when create literals

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This commit is contained in:
ksss
2014-03-05 15:06:29 +00:00
parent 4070b5987a
commit 54132e4364
10 changed files with 221 additions and 165 deletions
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include/mruby/string.h
+22 -5
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@@ -15,7 +15,15 @@ extern "C" {
extern const char mrb_digitmap[];
#define RSTRING_EMBED_LEN_MAX ((mrb_int)((sizeof(mrb_int)*2+sizeof(char*))/sizeof(char)-1))
/* (sizeof(mrb_int)*2+sizeof(char*))/sizeof(char)-1 */
#if defined(MRB_INT16)
# define RSTRING_EMBED_LEN_MAX 9
#elif defined(MRB_INT64)
# define RSTRING_EMBED_LEN_MAX 15
#else
# define RSTRING_EMBED_LEN_MAX 11
#endif
struct RString {
MRB_OBJECT_HEADER;
union {
@@ -33,10 +41,19 @@ struct RString {
#define mrb_str_ptr(s) ((struct RString*)(mrb_ptr(s)))
#define RSTRING(s) ((struct RString*)(mrb_ptr(s)))
#define RSTRING_PTR(s) (RSTRING(s)->as.heap.ptr)
#define RSTRING_LEN(s) (RSTRING(s)->as.heap.len)
#define RSTRING_CAPA(s) (RSTRING(s)->as.heap.aux.capa)
#define RSTRING_END(s) (RSTRING(s)->as.heap.ptr + RSTRING(s)->as.heap.len)
#define RSTRING_PTR(s)\
((RSTRING(s)->flags & MRB_STR_EMBED) ?\
RSTRING(s)->as.ary :\
RSTRING(s)->as.heap.ptr)
#define RSTRING_LEN(s)\
((RSTRING(s)->flags & MRB_STR_EMBED) ?\
(mrb_int)((RSTRING(s)->flags & MRB_STR_EMBED_LEN_MASK) >> MRB_STR_EMBED_LEN_SHIFT) :\
RSTRING(s)->as.heap.len)
#define RSTRING_CAPA(s)\
((RSTRING(s)->flags & MRB_STR_EMBED) ?\
RSTRING_EMBED_LEN_MAX :\
RSTRING(s)->as.heap.aux.capa)
#define RSTRING_END(s) (RSTRING_PTR(s) + RSTRING_LEN(s))
#define MRB_STR_SHARED 1
#define MRB_STR_NOFREE 2