[closes gh-128] Suppressed variable inlining.

source/#external/ILSpy

@@ -1 +1 @@
-Subproject commit e4edcffab101aa0660e8fd83a5c7278c03924d6e
+Subproject commit 90a8646497e6171cd4c12f49e170b31bb742affd

source/Server/Decompilation/AstBasedDecompiler.cs

@@ -1,15 +1,11 @@
 using System;
 using System.Collections.Concurrent;
-using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using AshMind.Extensions;
 using ICSharpCode.Decompiler;
 using ICSharpCode.Decompiler.Ast;
-using ICSharpCode.Decompiler.Ast.Transforms;
-using ICSharpCode.NRefactory.CSharp;
 using Mono.Cecil;
-using SharpLab.Server.Decompilation.Internal;
 
 namespace SharpLab.Server.Decompilation {
     public abstract class AstBasedDecompiler : IDecompiler {
@@ -24,7 +20,8 @@ namespace SharpLab.Server.Decompilation {
             });
 
             var context = new DecompilerContext(module) {
-                Settings = {
+                Settings = {                    
+                    CanInlineVariables = false,
                     OperatorOverloading = false,
                     AnonymousMethods = false,
                     YieldReturn = false,

source/Server/Decompilation/CSharpDecompiler.cs

@@ -1,8 +1,5 @@
-using System.Collections.Generic;
-using System.IO;
-using ICSharpCode.Decompiler;
+using System.IO;
 using ICSharpCode.Decompiler.Ast;
-using ICSharpCode.NRefactory.CSharp;
 using Microsoft.CodeAnalysis;
 using SharpLab.Server.Decompilation.Internal;
 

source/Tests/DecompilationTests.cs

@@ -51,6 +51,8 @@ namespace SharpLab.Tests {
         [Theory]
         // https://github.com/ashmind/SharpLab/issues/25
         [InlineData("Condition.SimpleSwitch.cs2cs")]
+        // https://github.com/ashmind/SharpLab/issues/128
+        [InlineData("Variable.FromArgumentToCall.cs2cs")]
         public async Task SlowUpdate_ReturnsExpectedDecompiledCode_InDebug(string resourceName) {
             var data = TestData.FromResource(resourceName);
             var driver = await NewTestDriverAsync(data, OptimizationLevel.Debug);

source/Tests/TestCode/Condition.SimpleSwitch.cs2cs

@@ -25,7 +25,8 @@ public class C
 {
     public void M(string n)
     {
-        if (!(n == "foo"))
+        string a = n;
+        if (!(a == "foo"))
         {
         }
     }

source/Tests/TestCode/Lambda.CallInArray.cs2cs

@@ -44,13 +44,14 @@ public class C
         Func<int, int> arg_1F_0;
         if ((arg_1F_0 = C.<>c.<>9__0_0) == null)
         {
-            arg_1F_0 = (C.<>c.<>9__0_0 = new Func<int, int>(C.<>c.<>9.<M>b__0_0));
+            C.<>c.<>9__0_0 = (arg_1F_0 = new Func<int, int>(C.<>c.<>9.<M>b__0_0));
         }
         Func<int, int> func = arg_1F_0;
         int[] expr_26 = new int[4];
         RuntimeHelpers.InitializeArray(expr_26, fieldof(<PrivateImplementationDetails>.7C7D749A182D008FD83D960F228CB2B1A0177992).FieldHandle);
-        expr_26[3] = func(1);
-        Console.WriteLine(expr_26[3]);
+        int[] expr_31 = expr_26;
+        expr_31[3] = func(1);
+        Console.WriteLine(expr_31[3]);
     }
 }
 [CompilerGenerated]

source/Tests/TestCode/Variable.FromArgumentToCall.cs2cs

@@ -0,0 +1,32 @@
+using System;
+
+public class C {
+    public void M(int argument) {
+        var newVariableForArgument = argument;
+        Console.WriteLine(newVariableForArgument);
+    }
+}
+
+#=>
+
+using System;
+using System.Diagnostics;
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Security;
+using System.Security.Permissions;
+
+[assembly: AssemblyVersion("0.0.0.0")]
+[assembly: Debuggable(DebuggableAttribute.DebuggingModes.Default | DebuggableAttribute.DebuggingModes.DisableOptimizations | DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints | DebuggableAttribute.DebuggingModes.EnableEditAndContinue)]
+[assembly: CompilationRelaxations(8)]
+[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
+[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
+[module: UnverifiableCode]
+public class C
+{
+    public void M(int argument)
+    {
+        int value = argument;
+        Console.WriteLine(value);
+    }
+}

source/Tests/Tests.csproj

@@ -28,6 +28,10 @@
     <None Remove="TestCode\Simple.vb2vb" />
   </ItemGroup>
 
+  <ItemGroup>
+    <EmbeddedResource Include="TestCode\Variable.FromArgumentToCall.cs2cs" />
+  </ItemGroup>
+
   <ItemGroup>
     <EmbeddedResource Include="TestCode\Condition.SimpleSwitch.cs2cs" />
   </ItemGroup>