From 91793b8967e0531bd1159a8ff0cc7e50739c7620 Mon Sep 17 00:00:00 2001
From: tenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 20 Apr 2019 01:19:47 +0000
Subject: Add `GC.compact` again.
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🙏

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67620 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 id_table.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'id_table.c')

diff --git a/id_table.c b/id_table.c
index 74c9e756a0..f566582479 100644
--- a/id_table.c
+++ b/id_table.c
@@ -266,6 +266,28 @@ rb_id_table_delete(struct rb_id_table *tbl, ID id)
     return hash_delete_index(tbl, index);
 }
 
+void
+rb_id_table_foreach_with_replace(struct rb_id_table *tbl, rb_id_table_foreach_func_t *func, rb_id_table_update_callback_func_t *replace, void *data)
+{
+    int i, capa = tbl->capa;
+
+    for (i=0; i<capa; i++) {
+        if (ITEM_KEY_ISSET(tbl, i)) {
+            const id_key_t key = ITEM_GET_KEY(tbl, i);
+            enum rb_id_table_iterator_result ret = (*func)(Qundef, tbl->items[i].val, data);
+            assert(key != 0);
+
+            if (ret == ID_TABLE_REPLACE) {
+                VALUE val = tbl->items[i].val;
+                ret = (*replace)(NULL, &val, data, TRUE);
+                tbl->items[i].val = val;
+            }
+            else if (ret == ID_TABLE_STOP)
+                return;
+        }
+    }
+}
+
 void
 rb_id_table_foreach(struct rb_id_table *tbl, rb_id_table_foreach_func_t *func, void *data)
 {
-- 
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