Mono.CSharp.Using.VariableDeclaration.CreateDisposeCall C# (CSharp) Method

			protected virtual Statement CreateDisposeCall (BlockContext bc, LocalVariable lv)
			{
				var lvr = lv.CreateReferenceExpression (bc, lv.Location);
				var type = lv.Type;
				var loc = lv.Location;

				if (TypeManager.void_dispose_void == null) {
					TypeManager.void_dispose_void = TypeManager.GetPredefinedMethod (
						TypeManager.idisposable_type, "Dispose", loc, TypeSpec.EmptyTypes);
				}

				var dispose_mg = MethodGroupExpr.CreatePredefined (TypeManager.void_dispose_void, TypeManager.idisposable_type, loc);
				dispose_mg.InstanceExpression = TypeManager.IsNullableType (type) ?
					new Cast (new TypeExpression (TypeManager.idisposable_type, loc), lvr, loc).Resolve (bc) :
					lvr;

				Statement dispose = new StatementExpression (new Invocation (dispose_mg, null));

				// Add conditional call when disposing possible null variable
				if (!type.IsStruct || TypeManager.IsNullableType (type))
					dispose = new If (new Binary (Binary.Operator.Inequality, lvr, new NullLiteral (loc), loc), dispose, loc);

				return dispose;
			}