chore: 初始化北汽福田MES采集程序

Common/00-1Json8.3/Json8.3/Utilities/ILGeneratorExtensions.cs

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+#region License
+// Copyright (c) 2007 James Newton-King
+//
+// Permission is hereby granted, free of charge, to any person
+// obtaining a copy of this software and associated documentation
+// files (the "Software"), to deal in the Software without
+// restriction, including without limitation the rights to use,
+// copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following
+// conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+#endregion
+
+#if !(DOTNET || PORTABLE40 || PORTABLE)
+using System;
+using System.Reflection.Emit;
+using System.Reflection;
+
+namespace Newtonsoft.Json.Utilities
+{
+    internal static class ILGeneratorExtensions
+    {
+        public static void PushInstance(this ILGenerator generator, Type type)
+        {
+            generator.Emit(OpCodes.Ldarg_0);
+            if (type.IsValueType())
+            {
+                generator.Emit(OpCodes.Unbox, type);
+            }
+            else
+            {
+                generator.Emit(OpCodes.Castclass, type);
+            }
+        }
+
+        public static void PushArrayInstance(this ILGenerator generator, int argsIndex, int arrayIndex)
+        {
+            generator.Emit(OpCodes.Ldarg, argsIndex);
+            generator.Emit(OpCodes.Ldc_I4, arrayIndex);
+            generator.Emit(OpCodes.Ldelem_Ref);
+        }
+
+        public static void BoxIfNeeded(this ILGenerator generator, Type type)
+        {
+            if (type.IsValueType())
+            {
+                generator.Emit(OpCodes.Box, type);
+            }
+            else
+            {
+                generator.Emit(OpCodes.Castclass, type);
+            }
+        }
+
+        public static void UnboxIfNeeded(this ILGenerator generator, Type type)
+        {
+            if (type.IsValueType())
+            {
+                generator.Emit(OpCodes.Unbox_Any, type);
+            }
+            else
+            {
+                generator.Emit(OpCodes.Castclass, type);
+            }
+        }
+
+        public static void CallMethod(this ILGenerator generator, MethodInfo methodInfo)
+        {
+            if (methodInfo.IsFinal || !methodInfo.IsVirtual)
+            {
+                generator.Emit(OpCodes.Call, methodInfo);
+            }
+            else
+            {
+                generator.Emit(OpCodes.Callvirt, methodInfo);
+            }
+        }
+
+        public static void Return(this ILGenerator generator)
+        {
+            generator.Emit(OpCodes.Ret);
+        }
+    }
+}
+
+#endif