From d2582025dc06e8adb4d69a894e6a83cc7887505e Mon Sep 17 00:00:00 2001
From: Kearwood Gilbert <kearwood@kearwood.com>
Date: Sat, 15 Aug 2026 15:17:01 -0700
Subject: [PATCH] Added stubs for Heap allocator

---
 CMakeLists.txt  |  2 ++
 include/heap.h  | 44 +++++++++++++++++++++++++++++++++++
 include/mimir.h |  3 ++-
 src/heap.cpp    | 62 +++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 110 insertions(+), 1 deletion(-)
 create mode 100644 include/heap.h
 create mode 100644 src/heap.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6cae0cd..0a3c616 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,12 +9,14 @@ set(PUBLIC_HEADERS
   include/mimir.h
   include/arena.h
   include/block.h
+  include/heap.h
   include/util.h
 )
 
 set(SRCS
   src/arena.cpp
   src/block.cpp
+  src/heap.cpp
   src/mimir.cpp
   src/util.cpp
 )
diff --git a/include/heap.h b/include/heap.h
new file mode 100644
index 0000000..e3134f0
--- /dev/null
+++ b/include/heap.h
@@ -0,0 +1,44 @@
+//
+//  heap.h
+//  Kraken Engine / Mimir
+//
+//  Copyright 2026 Kearwood Gilbert. All rights reserved.
+//
+//  Redistribution and use in source and binary forms, with or without modification, are
+//  permitted provided that the following conditions are met:
+//
+//  1. Redistributions of source code must retain the above copyright notice, this list of
+//  conditions and the following disclaimer.
+//
+//  2. Redistributions in binary form must reproduce the above copyright notice, this list
+//  of conditions and the following disclaimer in the documentation and/or other materials
+//  provided with the distribution.
+//
+//  THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
+//  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+//  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
+//  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+//  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+//  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+//  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+//  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//  The views and conclusions contained in the software and documentation are those of the
+//  authors and should not be interpreted as representing official policies, either expressed
+//  or implied, of Kearwood Gilbert.
+//
+
+#pragma once
+
+#include <cstddef>
+
+namespace mimir {
+class Heap
+{
+public:
+  Heap();
+  ~Heap();
+};
+
+} // namespace mimir
diff --git a/include/mimir.h b/include/mimir.h
index c924040..c740495 100644
--- a/include/mimir.h
+++ b/include/mimir.h
@@ -31,8 +31,9 @@
 
 #pragma once
 
-#include "block.h"
 #include "arena.h"
+#include "block.h"
+#include "heap.h"
 #include "util.h"
 
 namespace mimir {
diff --git a/src/heap.cpp b/src/heap.cpp
new file mode 100644
index 0000000..b15e41c
--- /dev/null
+++ b/src/heap.cpp
@@ -0,0 +1,62 @@
+//
+//  heap.cpp
+//  Kraken Engine
+//
+//  Copyright 2026 Kearwood Gilbert. All rights reserved.
+//
+//  Redistribution and use in source and binary forms, with or without modification, are
+//  permitted provided that the following conditions are met:
+//
+//  1. Redistributions of source code must retain the above copyright notice, this list of
+//  conditions and the following disclaimer.
+//
+//  2. Redistributions in binary form must reproduce the above copyright notice, this list
+//  of conditions and the following disclaimer in the documentation and/or other materials
+//  provided with the distribution.
+//
+//  THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
+//  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+//  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
+//  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+//  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+//  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+//  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+//  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//  The views and conclusions contained in the software and documentation are those of the
+//  authors and should not be interpreted as representing official policies, either expressed
+//  or implied, of Kearwood Gilbert.
+//
+
+#include "../include/mimir.h"
+#include "mimir_impl.h"
+
+#if defined(__unix__) || defined(__APPLE__) || defined(ANDROID)
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#endif
+
+#if defined(_WIN32) || defined(_WIN64)
+#include <Windows.h>
+#include <memoryapi.h>
+#endif
+
+#include <errno.h>
+#include <cassert>
+#include <cstring>
+#include <bit>
+
+namespace mimir {
+
+Heap::Heap()
+{
+}
+
+Heap::~Heap()
+{
+}
+
+} // namespace mimir