添加add 表达式

Editor/Virtualization/ConstDataNode.cs

@@ -2,7 +2,7 @@
 
 namespace Obfuz.Virtualization
 {
-    public class ConstPrimitiveDataNode : DataNodeAny
+    public class ConstDataNode : DataNodeAny
     {
 
         public override void Compile(CompileContext ctx)
@@ -10,11 +10,11 @@ namespace Obfuz.Virtualization
 
             switch (Type)
             {
-                case DataNodeType.Byte:
+                //case DataNodeType.Byte:
-                {
+                //{
-                    // create ldloc.i4 
+                //    // create ldloc.i4 
-                    break;
+                //    break;
-                }
+                //}
                 case DataNodeType.Int32:
                 {
                     // create ldloc.i4
@@ -40,6 +40,18 @@ namespace Obfuz.Virtualization
                     // create ldnull
                     break;
                 }
+                case DataNodeType.String:
+                {
+                    // create ldstr
+                    break;
+                }
+                case DataNodeType.Bytes:
+                {
+                    // create ldstr
+
+                    // RuntimeHelpers.InitializeArray(array, fieldHandle);
+                    break;
+                }
                 default:
                 {
                     throw new NotImplementedException($"Type:{Type} not implemented");

Editor/Virtualization/ConstExpression.cs

@@ -5,7 +5,16 @@ namespace Obfuz.Virtualization
     public class ConstExpression : DataNodeAny
     {
         public IFunction function;
-        public readonly List<IDataNode> Inputs = new List<IDataNode>();
+        public readonly List<IDataNode> inputs;
+        public readonly ConstValue result;
+
+        public ConstExpression(IFunction function, List<IDataNode> inputs, ConstValue result)
+        {
+            this.function = function;
+            this.inputs = inputs;
+            Type = function.ReturnType;
+            this.result = result;
+        }
 
         public override void Compile(CompileContext ctx)
         {

Editor/Virtualization/ConstFieldDataNode.cs

@@ -10,11 +10,11 @@ namespace Obfuz.Virtualization
 
             switch (Type)
             {
-                case DataNodeType.Byte:
+                //case DataNodeType.Byte:
-                {
+                //{
-                    // create ldloc.i4 
+                //    // create ldloc.i4 
-                    break;
+                //    break;
-                }
+                //}
                 case DataNodeType.Int32:
                 {
                     // create ldloc.i4
@@ -40,6 +40,18 @@ namespace Obfuz.Virtualization
                     // create ldnull
                     break;
                 }
+                case DataNodeType.String:
+                {
+                    // create ldstr
+                    break;
+                }
+                case DataNodeType.Bytes:
+                {
+                    // create ldstr
+
+                    // RuntimeHelpers.InitializeArray(array, fieldHandle);
+                    break;
+                }
                 default:
                 {
                     throw new NotImplementedException($"Type:{Type} not implemented");

Editor/Virtualization/ConstStringDataNode.cs

@@ -1,15 +0,0 @@
-using System;
-
-namespace Obfuz.Virtualization
-{
-    public class ConstStringDataNode : DataNodeBase<string>
-    {
-
-        public override void Compile(CompileContext ctx)
-        {
-
-         
-            // create ldstr
-        }
-    }
-}

Editor/Virtualization/ConstValue.cs

@@ -0,0 +1,13 @@
+namespace Obfuz.Virtualization
+{
+    public struct ConstValue
+    {
+        public readonly DataNodeType type;
+        public readonly object value;
+        public ConstValue(DataNodeType type, object value)
+        {
+            this.type = type;
+            this.value = value;
+        }
+    }
+}

Editor/Virtualization/CreateExpressionOptions.cs

@@ -1,7 +1,9 @@
 namespace Obfuz.Virtualization
 {
-    public class CreateExpressionOptions
+    public struct CreateExpressionOptions
     {
         public IRandom random;
+        public IDataNodeCreator expressionCreator;
+        public int depth;
     }
 }

Editor/Virtualization/DataNodeBase.cs

@@ -27,6 +27,7 @@
     public abstract class DataNodeAny : DataNodeBase
     {
         private object _value;
+
         public override object Value
         {
             get => _value;

Editor/Virtualization/DataNodeType.cs

@@ -2,7 +2,7 @@
 {
     public enum DataNodeType
     {
-        Byte,
+        //Byte,
         Int32,
         Int64,
         Float32,

Editor/Virtualization/FunctionBase.cs

@@ -0,0 +1,30 @@
+using NUnit.Framework;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Obfuz.Virtualization
+{
+
+    public abstract class FunctionBase : IFunction
+    {
+        public abstract DataNodeType ReturnType { get; }
+
+        public abstract void CreateArguments(DataNodeType type, object value, CreateExpressionOptions options, List<ConstValue> args);
+
+        public ConstExpression CreateCallable(IDataNode result, CreateExpressionOptions options)
+        {
+            var args = new List<ConstValue>();
+            CreateArguments(result.Type, result.Value, options, args);
+
+            options.depth += 1;
+            var argNodes = new List<IDataNode>();
+            foreach (ConstValue cv in args)
+            {
+                var argNode = options.expressionCreator.CreateRandom(cv.type, cv.value, options);
+                argNodes.Add(argNode);
+            }
+            
+            return new ConstExpression(this, args.Select(a => options.expressionCreator.CreateRandom(a.type, a.value, options)).ToList(), new ConstValue(result.Type, result.Value));
+        }
+    }
+}

Editor/Virtualization/Functions/Int32FunctionAdd.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using static UnityEngine.Networking.UnityWebRequest;
+
+namespace Obfuz.Virtualization.Functions
+{
+    public class Int32FunctionAdd : Int32FunctionBase
+    {
+        public override DataNodeType ReturnType => DataNodeType.Int32;
+
+        public override void CreateArguments(DataNodeType type, object v, CreateExpressionOptions options, List<ConstValue> args)
+        {
+            int value = (int)v;
+
+            int op1 = value >= 0 ? options.random.NextInt(value) : -options.random.NextInt(-value);
+            int op2 = value - op1;
+            args.Add(new ConstValue(DataNodeType.Int32, op1));
+            args.Add(new ConstValue(DataNodeType.Int32, op2));
+        }
+    }
+}

Editor/Virtualization/Functions/Int32FunctionBase.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Obfuz.Virtualization.Functions
+{
+    public abstract class Int32FunctionBase : FunctionBase
+    {
+        public override DataNodeType ReturnType => DataNodeType.Int32;
+    }
+}

Editor/Virtualization/IDataNodeCreator.cs

@@ -0,0 +1,7 @@
+namespace Obfuz.Virtualization
+{
+    public interface IDataNodeCreator
+    {
+        IDataNode CreateRandom(DataNodeType type, object value, CreateExpressionOptions options);
+    }
+}

Editor/Virtualization/IFunction.cs

@@ -2,6 +2,8 @@
 {
     public interface IFunction
     {
+        DataNodeType ReturnType { get; }
+
         ConstExpression CreateCallable(IDataNode result, CreateExpressionOptions options);
     }
 }

Editor/Virtualization/IRandom.cs

@@ -2,6 +2,8 @@
 {
     public interface IRandom
     {
+        int NextInt(int min, int max);
 
+        int NextInt(int max);
     }
 }

Editor/Virtualization/RvaBytesNode.cs

@@ -6,15 +6,12 @@ using System.Threading.Tasks;
 
 namespace Obfuz.Virtualization
 {
-    public class ConstBytesDataNode : DataNodeAny
+    public class RvaBytesNode : DataNodeBase<byte[]>
     {
 
         public override void Compile(CompileContext ctx)
         {
 
-
-            // create ldstr
-            // RuntimeHelpers.InitializeArray(array, fieldHandle);
         }
     }
 }