Fix up some import issues and improve arrays to use saturating refcounts

instead of .copy_on_write

1 files changed, 13 insertions, 1 deletions

diff --git a/builtins/table.h b/builtins/table.h
index d11a876d..023df218 100644
--- a/builtins/table.h
+++ b/builtins/table.h
@@ -24,7 +24,19 @@
     if (__builtin_expect($v == NULL, 0)) \
         fail_source(filename, start, end, "The key %r is not in this table\n", generic_as_str(&$k, USE_COLOR, $info->TableInfo.key)); \
     *$v; })
-
+#define $TABLE_FOREACH(table_expr, key_type, k, value_type, v, value_offset, body, else_body) {\
+        array_t $entries = (table_expr).entries; \
+        if ($entries.length == 0) else_body \
+        else { \
+            $ARRAY_INCREF($entries); \
+            for (int64_t $i = 0; $i < $entries.length; $i++) { \
+                key_type k = *(key_type*)($entries.data + $i*$entries.stride); \
+                value_type v = *(value_type*)($entries.data + $i*$entries.stride + value_offset); \
+                body \
+            } \
+            $ARRAY_DECREF($entries); \
+        } \
+    }
 
 table_t Table_from_entries(array_t entries, const TypeInfo *type);
 void *Table_get(const table_t *t, const void *key, const TypeInfo *type);