From: Brendan Hansen <brendan.f.hansen@gmail.com>
Date: Wed, 8 Mar 2023 20:38:07 +0000 (-0600)
Subject: added: `core.alloc.arena.auto_temp()`
X-Git-Url: https://git.brendanfh.com/?a=commitdiff_plain;h=bec96483ebd64bda30fb84638e53eb3d801b75a9;p=onyx.git

added: `core.alloc.arena.auto_temp()`
---

diff --git a/core/alloc/arena.onyx b/core/alloc/arena.onyx
index 13e91135..d9ef2a47 100644
--- a/core/alloc/arena.onyx
+++ b/core/alloc/arena.onyx
@@ -181,3 +181,16 @@ auto :: #match {
         return 0;
     }
 }
+
+auto_temp :: macro (body: Code) -> i32 {
+    use core.alloc {arena, heap_allocator}
+    a := arena.make(heap_allocator, 32 * 1024);
+
+    old_allocator := context.temp_allocator;
+    context.temp_allocator = arena.make_allocator(&a);
+
+    #unquote body;
+
+    arena.free(&a);
+    context.temp_allocator = old_allocator;
+}