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Assign temporary ID to anonymous ID [Bug #18250]

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Dumped iseq binary can not have unnamed symbols/IDs, and ID 0 is
stored instead.  As `struct rb_id_table` disallows ID 0, also for
the distinction, re-assign a new temporary ID based on the local
variable table index when loading from the binary, as well as the
parser.
This commit is contained in:
Nobuyoshi Nakada 2021-11-23 00:09:41 +09:00
parent eb301d8aec
commit c14f230b26
Notes: git 2021-11-23 21:03:49 +09:00
4 changed files with 14 additions and 4 deletions
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11
symbol.c
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@ -952,6 +952,17 @@ rb_make_internal_id(void)
return next_id_base() | ID_INTERNAL | ID_STATIC_SYM;
}
ID
rb_make_temporary_id(size_t n)
{
const ID max_id = RB_ID_SERIAL_MAX & ~0xffff;
const ID id = max_id - (ID)n;
if (id <= ruby_global_symbols.last_id) {
rb_raise(rb_eRuntimeError, "too big to make temporary ID: %" PRIdSIZE, n);
}
return (id << ID_SCOPE_SHIFT) | ID_STATIC_SYM | ID_INTERNAL;
}
static int
symbols_i(st_data_t key, st_data_t value, st_data_t arg)
{