refactor: xmake is now in use

include/lae_arena.h

@@ -0,0 +1,64 @@
+#ifndef LAE_ARENA_H
+#define LAE_ARENA_H
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct Arena Arena;
+
+typedef enum {
+    ARENA_OK = 0,
+    ARENA_BAD_ALLOC,
+    ARENA_OUT_OF_SPACE,
+    ARENA_NULL_ARG,
+    ARENA_INVALID_SIZE,
+    ARENA_INVALID_ALIGN,
+    ARENA_CAPACITY_OVERFLOW,
+} ArenaErr;
+
+typedef struct {
+    bool is_valid;
+    union {
+        ArenaErr err;
+        struct {
+            Arena* arena;
+            size_t offset;
+        };
+    };
+} ArenaPointer;
+
+typedef struct {
+    bool is_valid;
+    union {
+        ArenaErr err;
+        Arena*   arena;
+    };
+} ArenaResult;
+
+typedef struct {
+    bool is_valid;
+    union {
+        ArenaErr err;
+        size_t   val;
+    };
+} ArenaSizeResult;
+
+ArenaErr arena_init(Arena** arena, size_t capacity);
+ArenaErr arena_destroy(Arena** arena);
+
+ArenaPointer arena_alloc(Arena* arena, size_t size, size_t alignment);
+ArenaPointer
+         arena_push(Arena* arena, void* data, size_t size, size_t alignment);
+ArenaErr arena_realloc(Arena* arena, size_t new_capacity);
+void*    arena_unwrap_pointer(ArenaPointer p);
+
+ArenaSizeResult arena_get_align_padding(Arena* arena, size_t alignment);
+// can take big sizes but of sourse there is a limit,
+// its protected against SIZE_MAX but anything that
+// is big may break it, still, is an edge case that
+// I shouldn't cover.
+ArenaErr arena_ensure_capacity(Arena* arena, size_t size, size_t alignment);
+
+#endif // !RENA_H