Add StickGame Assets

phr/StickGame/Assets/FishNet/CodeGenerating/Helpers/Extension/ILProcessorExtensions.cs

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+using MonoFN.Cecil;
+using MonoFN.Cecil.Cil;
+using System.Collections.Generic;
+
+namespace FishNet.CodeGenerating.Helping.Extension
+{
+
+    internal static class ILProcessorExtensions
+    {
+
+        /// <summary>
+        /// Creates a debug log for text without any conditions.
+        /// </summary>
+        public static void DebugLog(this ILProcessor processor, CodegenSession session, string txt)
+        {
+            processor.Emit(OpCodes.Ldstr, txt);
+            processor.Emit(OpCodes.Call, session.GetClass<GeneralHelper>().Debug_LogCommon_MethodRef);
+        }
+        /// <summary>
+        /// Creates a debug log for vd without any conditions.
+        /// </summary>
+        public static void DebugLog(this ILProcessor processor, CodegenSession session, VariableDefinition vd)
+        {
+            processor.Emit(OpCodes.Ldloc, vd);
+            processor.Emit(OpCodes.Box, vd.VariableType);
+            processor.Emit(OpCodes.Call, session.GetClass<GeneralHelper>().Debug_LogCommon_MethodRef);
+        }
+        /// <summary>
+        /// Creates a debug log for vd without any conditions.
+        /// </summary>
+        public static void DebugLog(this ILProcessor processor, CodegenSession session, FieldDefinition fd, bool loadArg0)
+        {
+            if (loadArg0)
+                processor.Emit(OpCodes.Ldarg_0);
+            processor.Emit(OpCodes.Ldfld, fd);
+            processor.Emit(OpCodes.Box, fd.FieldType);
+            processor.Emit(OpCodes.Call, session.GetClass<GeneralHelper>().Debug_LogCommon_MethodRef);
+        }
+        /// <summary>
+        /// Creates a debug log for pd without any conditions.
+        /// </summary>
+        public static void DebugLog(this ILProcessor processor, CodegenSession session, ParameterDefinition pd)
+        {
+            processor.Emit(OpCodes.Ldloc, pd);
+            processor.Emit(OpCodes.Box, pd.ParameterType);
+            processor.Emit(OpCodes.Call, session.GetClass<GeneralHelper>().Debug_LogCommon_MethodRef);
+        }
+
+        ///// <summary>
+        ///// Creates a debug log for mr without any conditions.
+        ///// </summary>
+        //public static void DebugLog(this ILProcessor processor, MethodReference mr)
+        //{
+        //    processor.Emit(OpCodes.Call, mr);
+        //    processor.Emit(OpCodes.Box, mr.ReturnType);
+        //    processor.Emit(OpCodes.Call, base.GetClass<GeneralHelper>().Debug_LogCommon_MethodRef);
+        //}
+
+
+        /// <summary>
+        /// Inserts instructions at the beginning.
+        /// </summary>
+        /// <param name="processor"></param>
+        /// <param name="instructions"></param>
+        public static void InsertAt(this ILProcessor processor, int target, List<Instruction> instructions)
+        {
+            for (int i = 0; i < instructions.Count; i++)
+                processor.Body.Instructions.Insert(i + target, instructions[i]);
+        }
+
+
+        /// <summary>
+        /// Inserts instructions at the beginning.
+        /// </summary>
+        /// <param name="processor"></param>
+        /// <param name="instructions"></param>
+        public static void InsertFirst(this ILProcessor processor, List<Instruction> instructions)
+        {
+            for (int i = 0; i < instructions.Count; i++)
+                processor.Body.Instructions.Insert(i, instructions[i]);
+        }
+
+        /// <summary>
+        /// Inserts instructions at the end while also moving Ret down.
+        /// </summary>
+        /// <param name="processor"></param>
+        /// <param name="instructions"></param>
+        public static void InsertLast(this ILProcessor processor, List<Instruction> instructions)
+        {
+            bool retRemoved = false;
+            int startingCount = processor.Body.Instructions.Count;
+            //Remove ret if it exist and add it back in later.
+            if (startingCount > 0)
+            {
+                if (processor.Body.Instructions[startingCount - 1].OpCode == OpCodes.Ret)
+                {
+                    processor.Body.Instructions.RemoveAt(startingCount - 1);
+                    retRemoved = true;
+                }
+            }
+
+            foreach (Instruction inst in instructions)
+                processor.Append(inst);
+
+            //Add ret back if it was removed.
+            if (retRemoved)
+                processor.Emit(OpCodes.Ret);
+        }
+
+        /// <summary>
+        /// Inserts instructions before target.
+        /// </summary>
+        /// <param name="processor"></param>
+        /// <param name="instructions"></param>
+        public static void InsertBefore(this ILProcessor processor, Instruction target, List<Instruction> instructions)
+        {
+            int index = processor.Body.Instructions.IndexOf(target);
+            for (int i = 0; i < instructions.Count; i++)
+                processor.Body.Instructions.Insert(index + i, instructions[i]);
+        }
+
+        /// <summary>
+        /// Adds instructions to the end of processor.
+        /// </summary>
+        /// <param name="processor"></param>
+        /// <param name="instructions"></param>
+        public static void Add(this ILProcessor processor, List<Instruction> instructions)
+        {
+            for (int i = 0; i < instructions.Count; i++)
+                processor.Body.Instructions.Add(instructions[i]);
+        }
+
+        /// <summary>
+        /// Inserts instructions before returns. Only works on void types.
+        /// </summary>
+        /// <param name="processor"></param>
+        /// <param name="instructions"></param>
+        public static void InsertBeforeReturns(this ILProcessor processor, CodegenSession session, List<Instruction> instructions)
+        {
+            if (processor.Body.Method.ReturnType.FullName != session.Module.TypeSystem.Void.FullName)
+            {
+                session.LogError($"Cannot insert instructions before returns on {processor.Body.Method.FullName} because it does not return void.");
+                return;
+            }
+
+            /* Insert at the end of the method
+             * and get the first instruction that was inserted.
+             * Any returns or breaks which would exit the method
+             * will jump to this instruction instead. */
+            processor.InsertLast(instructions);
+            Instruction startInst = processor.Body.Instructions[processor.Body.Instructions.Count - instructions.Count];
+
+            //Look for anything that jumps to rets.
+            for (int i = 0; i < processor.Body.Instructions.Count; i++)
+            {
+                Instruction inst = processor.Body.Instructions[i];
+                if (inst.Operand is Instruction operInst)
+                {
+                    if (operInst.OpCode == OpCodes.Ret)
+                        inst.Operand = startInst;
+                }
+            }
+        }
+
+
+    }
+
+
+}