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add setter of iter_lev.

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* hash.c: add special setter function (inc and dec).

* internal.h: constify RHash::iter_leve.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66765 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2019-01-09 19:11:32 +00:00
parent 140f8b94ce
commit e3dbe84e12
2 changed files with 16 additions and 4 deletions
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18
hash.c
View file

@ -1206,17 +1206,29 @@ hash_foreach_iter(st_data_t key, st_data_t value, st_data_t argp, int error)
return ST_CHECK;
}
static void
hash_iter_lev_inc(VALUE hash)
{
*((int *)&RHASH(hash)->iter_lev) = RHASH_ITER_LEV(hash) + 1;
}
static void
hash_iter_lev_dec(VALUE hash)
{
*((int *)&RHASH(hash)->iter_lev) = RHASH_ITER_LEV(hash) - 1;
}
static VALUE
hash_foreach_ensure_rollback(VALUE hash)
{
RHASH_ITER_LEV(hash)++;
hash_iter_lev_inc(hash);
return 0;
}
static VALUE
hash_foreach_ensure(VALUE hash)
{
RHASH_ITER_LEV(hash)--;
hash_iter_lev_dec(hash);
return 0;
}
@ -1257,7 +1269,7 @@ rb_hash_foreach(VALUE hash, int (*func)(ANYARGS), VALUE farg)
if (RHASH_TABLE_EMPTY_P(hash))
return;
RHASH_ITER_LEV(hash)++;
hash_iter_lev_inc(hash);
arg.hash = hash;
arg.func = (rb_foreach_func *)func;
arg.arg = farg;

2
internal.h
View file

@ -806,7 +806,7 @@ struct RHash {
st_table *st;
struct ar_table_struct *ar; /* possibly 0 */
} as;
int iter_lev;
const int iter_lev;
const VALUE ifnone;
};