From 720fd7f7ed3a400d72a898bd7f977b633adc5726 Mon Sep 17 00:00:00 2001
From: Talha Qamar <qamartalha@proton.me>
Date: Sat, 1 Feb 2025 06:19:29 +0500
Subject: [PATCH] Arena is a grower now
---
src/lily/alloc/arena.hb | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/src/lily/alloc/arena.hb b/src/lily/alloc/arena.hb
index 8a76cc7..12cef79 100644
--- a/src/lily/alloc/arena.hb
+++ b/src/lily/alloc/arena.hb
@@ -24,9 +24,13 @@ ArenaAllocator := struct {
log.debug("deinit: allocator")
}
alloc := fn(self: ^Self, $T: type, count: uint): ?^T {
- if count * @sizeof(T) + self.allocated > self.size {
- log.error("You allocated more memory on the arena than the arena had.");
- die
+ if self.allocated + count * @sizeof(T) > self.size {
+ ptr := Target.realloc(self.ptr, self.size, self.size * 2)
+ if ptr == null {
+ log.error("Failed to grow arena");
+ die
+ }
+ self.ptr = @unwrap(ptr)
}
allocation := self.ptr + self.allocated
self.allocated = self.allocated + count * @sizeof(T)
@@ -55,4 +59,4 @@ ArenaAllocator := struct {
}
return null
}
-}
\ No newline at end of file
+}