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Merge pull request #4747 from shuujii/avoid-symhash-call-for-inline-symbol-in-sym_intern

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Avoid `symhash()` call for inline symbol in `sym_intern()`
This commit is contained in:
Yukihiro "Matz" Matsumoto
2019-10-02 23:36:32 +09:00
committed by GitHub
parent c33100c4f0 855d996847
commit a406a35cf8
1 changed files with 7 additions and 4 deletions
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src/symbol.c
+7 -4
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@@ -124,15 +124,19 @@ symhash(const char *key, size_t len)
}
static mrb_sym
find_symbol(mrb_state *mrb, const char *name, uint16_t len, uint8_t hash)
find_symbol(mrb_state *mrb, const char *name, uint16_t len, uint8_t *hashp)
{
mrb_sym i;
symbol_name *sname;
uint8_t hash;
/* inline symbol */
i = sym_inline_pack(name, len);
if (i > 0) return i;
hash = symhash(name, len);
if (hashp) *hashp = hash;
i = mrb->symhash[hash];
if (i == 0) return 0;
do {
@@ -164,8 +168,7 @@ sym_intern(mrb_state *mrb, const char *name, size_t len, mrb_bool lit)
uint8_t hash;
sym_validate_len(mrb, len);
hash = symhash(name, len);
sym = find_symbol(mrb, name, len, hash);
sym = find_symbol(mrb, name, len, &hash);
if (sym > 0) return sym;
/* registering a new symbol */
@@ -233,7 +236,7 @@ mrb_check_intern(mrb_state *mrb, const char *name, size_t len)
mrb_sym sym;
sym_validate_len(mrb, len);
sym = find_symbol(mrb, name, len, symhash(name, len));
sym = find_symbol(mrb, name, len, NULL);
if (sym > 0) return mrb_symbol_value(sym);
return mrb_nil_value();
}