Internalize dispose bools

Author: Quahu

src/Laylua.Tests/Tests/Marshaler/LuaMarshalerDelegateTests.cs

@@ -1,4 +1,5 @@
 using System.Globalization;
+using System.Reflection;
 
 namespace Laylua.Tests;
 
@@ -207,7 +208,7 @@ public void Delegate_LuaReference_DisposesLuaReference()
 
         // Assert
         Assert.That(reference, Is.Not.Null);
-        Assert.That(LuaReference.IsAlive(reference!), Is.False);
+        Assert.That(IsReferenceAlive(reference), Is.False);
     }
 
     [Test]
@@ -221,13 +222,19 @@ public void Delegate_ParamsObject_DisposesLuaReferences()
 
         // Assert
         Assert.That(_references, Is.Not.Null);
-        Assert.That(_references!.Select(LuaReference.IsAlive), Is.All.False);
+        Assert.That(_references!.Select(IsReferenceAlive), Is.All.False);
     }
 
     // Can't be local, because params doesn't work in local methods.
     private LuaReference[]? _references;
+
     private void ParamsObjectMethod(params object[] args)
     {
         _references = args.OfType<LuaReference>().ToArray();
     }
+
+    private static bool IsReferenceAlive(LuaReference? reference)
+    {
+        return (bool) typeof(LuaReference).GetMethod("IsAlive", BindingFlags.NonPublic | BindingFlags.Static)!.Invoke(null, [reference])!;
+    }
 }

src/Laylua/Library/Entities/Reference/LuaReference.cs

@@ -253,15 +253,7 @@ internal static void ValidateOwnership(Lua lua, LuaReference reference)
         }
     }
 
-    /// <summary>
-    ///     Checks whether the specified reference is alive,
-    ///     i.e. is initialized and not disposed.
-    /// </summary>
-    /// <param name="reference"> The reference to check. </param>
-    /// <returns>
-    ///     <see langword="true"/> if the reference is initialized and not disposed.
-    /// </returns>
-    public static bool IsAlive(LuaReference reference)
+    internal static bool IsAlive(LuaReference reference)
     {
         var lua = reference._lua;
         return lua != null && !lua.IsDisposed && !reference._isDisposed;

src/Laylua/Library/Lua.cs

@@ -61,10 +61,7 @@ public object? this[string name]
         set => SetGlobal(name, value);
     }
 
-    /// <summary>
-    ///     Gets whether this instance is disposed.
-    /// </summary>
-    public bool IsDisposed => State.IsDisposed;
+    internal bool IsDisposed => State.IsDisposed;
 
     internal LuaMarshaler Marshaler { get; }
 

src/Laylua/Moon/LuaState.cs

@@ -86,10 +86,7 @@ public LuaGC GC
         }
     }
 
-    /// <summary>
-    ///     Gets whether this instance is disposed.
-    /// </summary>
-    public bool IsDisposed => _L == null;
+    internal bool IsDisposed => _L == null;
 
     internal object? State
     {