reduce to fastcloner vs deepcloner

internals

rebase

use generated fastcloner code

group benchmarks, simplify position tracking

work on perf

remove experiment

return original DeepCloner into source code until we sort this out for reproducible benchmarks

remove behaviors, add licenses

Author: lofcz

benchmarks/DeepCloneBenchmarks.cs

@@ -11,6 +11,8 @@
     <Optimize>true</Optimize>
     <Configuration>Release</Configuration>
     <IsPackable>false</IsPackable>
+    <SignAssembly>true</SignAssembly>
+    <AssemblyOriginatorKeyFile>..\build\Foundatio.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="BenchmarkDotNet" Version="0.15.8" />

benchmarks/Foundatio.Benchmarks.csproj

@@ -1,7 +1,7 @@
-#define NETCORE
+#define NETCORE
 using System;
 using System.Security;
-
+using Foundatio.DeepCloner.Helpers;
 using Foundatio.Force.DeepCloner.Helpers;
 
 namespace Foundatio.Force.DeepCloner
@@ -71,7 +71,7 @@ private static bool PermissionCheck()
 			{
 				return false;
 			}
-			
+
 			return true;
 		}
 	}

src/Foundatio/DeepCloner/DeepClonerExtensions.cs

@@ -0,0 +1,30 @@
+#define NETCORE
+using System;
+using Foundatio.Force.DeepCloner.Helpers;
+
+namespace Foundatio.DeepCloner.Helpers;
+
+internal static class ShallowClonerGenerator
+{
+    public static T CloneObject<T>(T obj)
+    {
+        // this is faster than typeof(T).IsValueType
+        if (obj is ValueType)
+        {
+            if (typeof(T) == obj.GetType())
+                return obj;
+
+            // we're here so, we clone value type obj as object type T
+            // so, we need to copy it, bcs we have a reference, not real object.
+            return (T)ShallowObjectCloner.CloneObject(obj);
+        }
+
+        if (ReferenceEquals(obj, null))
+            return (T)(object)null;
+
+        if (DeepClonerSafeTypes.CanReturnSameObject(obj.GetType()))
+            return obj;
+
+        return (T)ShallowObjectCloner.CloneObject(obj);
+    }
+}

src/Foundatio/DeepCloner/Helpers/ShallowClonerGenerator.cs

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 force
+
+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.

src/Foundatio/DeepCloner/LICENSE

@@ -1,5 +1,4 @@
 using System.Diagnostics.CodeAnalysis;
-using Foundatio.FastCloner.Code;
 
 namespace Foundatio.Utility;
 
@@ -8,6 +7,6 @@ public static class ObjectExtensions
     [return: NotNullIfNotNull(nameof(original))]
     public static T? DeepClone<T>(this T? original)
     {
-        return FastClonerGenerator.CloneObject(original);
+        return Foundatio.FastCloner.Code.FastClonerGenerator.CloneObject(original);
     }
 }

src/Foundatio/Extensions/ObjectExtensions.cs

@@ -1,15 +1,10 @@
-#nullable enable
-using System;
+/* This code was generated by FastCloner.Internalization.Builder, do not edit manually
+FastCloner is licensed under the MIT licence. https://github.com/lofcz/FastCloner
+*/
+
 using System.Collections.Generic;
-using System.Collections.Concurrent;
-using System.Linq;
-using System.Linq.Expressions;
-using System.Net.Http;
-using System.Reflection;
-using System.Runtime.CompilerServices;
-using System.Threading;
-namespace Foundatio.FastCloner.Code;
 
+namespace Foundatio.FastCloner.Code;
 internal class AhoCorasick
 {
     private class Node
@@ -21,7 +16,6 @@ private class Node
 
     private readonly Node root = new Node();
     private readonly string[] patterns;
-
     public AhoCorasick(string[] patterns)
     {
         this.patterns = patterns;
@@ -41,17 +35,17 @@ private void BuildTrie()
                     value = new Node();
                     current.Children[c] = value;
                 }
+
                 current = value;
             }
-            
+
             current.IsEndOfPattern = true;
         }
     }
 
     private void BuildFailureLinks()
     {
         Queue<Node> queue = new Queue<Node>();
-        
         foreach (Node node in root.Children.Values)
         {
             node.Failure = root;
@@ -61,13 +55,10 @@ private void BuildFailureLinks()
         while (queue.Count > 0)
         {
             Node current = queue.Dequeue();
-            
             foreach (KeyValuePair<char, Node> kvp in current.Children)
             {
                 queue.Enqueue(kvp.Value);
-
                 Node? failure = current.Failure;
-                
                 while (failure != null && !failure.Children.ContainsKey(kvp.Key))
                 {
                     failure = failure.Failure;
@@ -81,21 +72,20 @@ private void BuildFailureLinks()
     public bool ContainsAnyPattern(string text)
     {
         Node? current = root;
-        
         foreach (char c in text)
         {
             while (current != null && !current.Children.ContainsKey(c))
             {
                 current = current.Failure;
             }
-            
-            current = current?.Children.GetValueOrDefault(c) ?? root;
 
+            current = current?.Children.GetValueOrDefault(c) ?? root;
             if (current.IsEndOfPattern)
             {
                 return true;
             }
         }
+
         return false;
     }
 }