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symbol.c (SYMBOL_INLINE_P): inline symbol to occupy 26 bits in mrb_sym

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It used to occupy 30 bits, but we need 2 more bits to keep method
visibility in the method tables.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2025-01-28 16:31:38 +09:00
parent 3e6abfd21c
commit 6442a012c8
1 changed files with 3 additions and 3 deletions
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src/symbol.c
+3 -3
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@@ -66,7 +66,7 @@ sym_validate_len(mrb_state *mrb, size_t len)
# define sym_inline_pack(name, len) 0
# define sym_inline_unpack(sym, buf, lenp) NULL
#else
# define SYMBOL_INLINE_P(sym) ((sym) >= (1<<24))
# define SYMBOL_INLINE_P(sym) ((sym) > (1<<20))
static const char pack_table[] = "_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
@@ -85,7 +85,7 @@ sym_inline_pack(const char *name, size_t len)
if (p == 0) return 0; /* non alnum char */
uint32_t bits = (uint32_t)(p - pack_table)+1;
sym |= bits<<(24-i*6);
sym |= bits<<(20-i*6);
}
mrb_assert(SYMBOL_INLINE_P(sym));
return sym;
@@ -99,7 +99,7 @@ sym_inline_unpack(mrb_sym sym, char *buf, mrb_int *lenp)
mrb_assert(SYMBOL_INLINE_P(sym));
for (i=0; i<5; i++) {
uint32_t bits = sym>>(24-i*6) & 0x3f;
uint32_t bits = sym>>(20-i*6) & 0x3f;
if (bits == 0) break;
buf[i] = pack_table[bits-1];
}