Add Roslyn 3.11.0 as separate test configuration. Update RoslynLatest to 4.0.0. Use LanguageVersion.CSharp9_0 instead of Preview. Add LanguageVersion.CSharp10_0.

ICSharpCode.Decompiler.Tests/CorrectnessTestRunner.cs

@@ -57,6 +57,8 @@ namespace ICSharpCode.Decompiler.Tests
 			CompilerOptions.Optimize | CompilerOptions.UseRoslyn1_3_2,
 			CompilerOptions.UseRoslyn2_10_0,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslyn2_10_0,
+			CompilerOptions.UseRoslyn3_11_0,
+			CompilerOptions.Optimize | CompilerOptions.UseRoslyn3_11_0,
 			CompilerOptions.UseRoslynLatest,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslynLatest,
 		};
@@ -69,6 +71,8 @@ namespace ICSharpCode.Decompiler.Tests
 			CompilerOptions.Optimize | CompilerOptions.UseRoslyn1_3_2,
 			CompilerOptions.UseRoslyn2_10_0,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslyn2_10_0,
+			CompilerOptions.UseRoslyn3_11_0,
+			CompilerOptions.Optimize | CompilerOptions.UseRoslyn3_11_0,
 			CompilerOptions.UseRoslynLatest,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslynLatest,
 			CompilerOptions.UseMcs,
@@ -81,6 +85,8 @@ namespace ICSharpCode.Decompiler.Tests
 			CompilerOptions.Optimize | CompilerOptions.UseRoslyn1_3_2,
 			CompilerOptions.UseRoslyn2_10_0,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslyn2_10_0,
+			CompilerOptions.UseRoslyn3_11_0,
+			CompilerOptions.Optimize | CompilerOptions.UseRoslyn3_11_0,
 			CompilerOptions.UseRoslynLatest,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslynLatest,
 		};
@@ -89,6 +95,8 @@ namespace ICSharpCode.Decompiler.Tests
 		{
 			CompilerOptions.UseRoslyn2_10_0,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslyn2_10_0,
+			CompilerOptions.UseRoslyn3_11_0,
+			CompilerOptions.Optimize | CompilerOptions.UseRoslyn3_11_0,
 			CompilerOptions.UseRoslynLatest,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslynLatest,
 		};

ICSharpCode.Decompiler.Tests/Helpers/Tester.VB.cs

@@ -49,6 +49,7 @@ namespace ICSharpCode.Decompiler.Tests.Helpers
 					0 => ("legacy", "11"),
 					CompilerOptions.UseRoslyn1_3_2 => ("1.3.2", "14"),
 					CompilerOptions.UseRoslyn2_10_0 => ("2.10.0", "latest"),
+					CompilerOptions.UseRoslyn3_11_0 => ("3.11.0", "latest"),
 					_ => (RoslynLatestVersion, flags.HasFlag(CompilerOptions.Preview) ? "preview" : "latest")
 				};
 

ICSharpCode.Decompiler.Tests/Helpers/Tester.cs

@@ -61,8 +61,9 @@ namespace ICSharpCode.Decompiler.Tests.Helpers
 		GeneratePdb = 0x100,
 		Preview = 0x200,
 		UseRoslyn2_10_0 = 0x400,
-		UseRoslynLatest = 0x800,
-		UseRoslynMask = UseRoslyn1_3_2 | UseRoslyn2_10_0 | UseRoslynLatest
+		UseRoslyn3_11_0 = 0x800,
+		UseRoslynLatest = 0x1000,
+		UseRoslynMask = UseRoslyn1_3_2 | UseRoslyn2_10_0 | UseRoslyn3_11_0 | UseRoslynLatest
 	}
 
 	[Flags]
@@ -306,23 +307,31 @@ namespace ICSharpCode.Decompiler.Tests.Helpers
 				preprocessorSymbols.Add("VB11");
 				preprocessorSymbols.Add("VB14");
 				if (flags.HasFlag(CompilerOptions.UseRoslyn2_10_0)
+					|| flags.HasFlag(CompilerOptions.UseRoslyn3_11_0)
 					|| flags.HasFlag(CompilerOptions.UseRoslynLatest))
 				{
 					preprocessorSymbols.Add("ROSLYN2");
 					preprocessorSymbols.Add("CS70");
 					preprocessorSymbols.Add("CS71");
 					preprocessorSymbols.Add("CS72");
+					preprocessorSymbols.Add("CS73");
 					preprocessorSymbols.Add("VB15");
 				}
-				if (flags.HasFlag(CompilerOptions.UseRoslynLatest))
+				if (flags.HasFlag(CompilerOptions.UseRoslyn3_11_0)
+					|| flags.HasFlag(CompilerOptions.UseRoslynLatest))
 				{
 					preprocessorSymbols.Add("ROSLYN3");
-					preprocessorSymbols.Add("CS73");
 					preprocessorSymbols.Add("CS80");
+					preprocessorSymbols.Add("CS90");
 					preprocessorSymbols.Add("VB16");
+				}
+				if (flags.HasFlag(CompilerOptions.UseRoslynLatest))
+				{
+					preprocessorSymbols.Add("ROSLYN4");
+					preprocessorSymbols.Add("CS100");
 					if (flags.HasFlag(CompilerOptions.Preview))
 					{
-						preprocessorSymbols.Add("CS90");
+
 					}
 				}
 			}
@@ -361,6 +370,7 @@ namespace ICSharpCode.Decompiler.Tests.Helpers
 					0 => ("legacy", "5"),
 					CompilerOptions.UseRoslyn1_3_2 => ("1.3.2", "6"),
 					CompilerOptions.UseRoslyn2_10_0 => ("2.10.0", "latest"),
+					CompilerOptions.UseRoslyn3_11_0 => ("3.11.0", "latest"),
 					_ => (RoslynLatestVersion, flags.HasFlag(CompilerOptions.Preview) ? "preview" : "latest")
 				};
 
@@ -526,7 +536,8 @@ namespace ICSharpCode.Decompiler.Tests.Helpers
 				var langVersion = (cscOptions & CompilerOptions.UseRoslynMask) switch {
 					CompilerOptions.UseRoslyn1_3_2 => CSharp.LanguageVersion.CSharp6,
 					CompilerOptions.UseRoslyn2_10_0 => CSharp.LanguageVersion.CSharp7_3,
-					_ => cscOptions.HasFlag(CompilerOptions.Preview) ? CSharp.LanguageVersion.Latest : CSharp.LanguageVersion.CSharp8_0,
+					CompilerOptions.UseRoslyn3_11_0 => CSharp.LanguageVersion.CSharp9_0,
+					_ => cscOptions.HasFlag(CompilerOptions.Preview) ? CSharp.LanguageVersion.Latest : CSharp.LanguageVersion.CSharp9_0,
 				};
 				return new DecompilerSettings(langVersion);
 			}
@@ -594,6 +605,8 @@ namespace ICSharpCode.Decompiler.Tests.Helpers
 				suffix += ".roslyn1";
 			if ((cscOptions & CompilerOptions.UseRoslyn2_10_0) != 0)
 				suffix += ".roslyn2";
+			if ((cscOptions & CompilerOptions.UseRoslyn3_11_0) != 0)
+				suffix += ".roslyn3";
 			if ((cscOptions & CompilerOptions.UseRoslynLatest) != 0)
 				suffix += ".roslyn";
 			if ((cscOptions & CompilerOptions.UseMcs) != 0)

ICSharpCode.Decompiler.Tests/PrettyTestRunner.cs

@@ -63,6 +63,8 @@ namespace ICSharpCode.Decompiler.Tests
 			CompilerOptions.Optimize | CompilerOptions.UseRoslyn1_3_2,
 			CompilerOptions.UseRoslyn2_10_0,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslyn2_10_0,
+			CompilerOptions.UseRoslyn3_11_0,
+			CompilerOptions.Optimize | CompilerOptions.UseRoslyn3_11_0,
 			CompilerOptions.UseRoslynLatest,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslynLatest,
 		};
@@ -71,6 +73,8 @@ namespace ICSharpCode.Decompiler.Tests
 		{
 			CompilerOptions.UseRoslyn2_10_0,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslyn2_10_0,
+			CompilerOptions.UseRoslyn3_11_0,
+			CompilerOptions.Optimize | CompilerOptions.UseRoslyn3_11_0,
 			CompilerOptions.UseRoslynLatest,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslynLatest,
 		};
@@ -83,6 +87,8 @@ namespace ICSharpCode.Decompiler.Tests
 
 		static readonly CompilerOptions[] dotnetCoreOnlyOptions =
 		{
+			CompilerOptions.UseRoslyn3_11_0 | CompilerOptions.ReferenceCore,
+			CompilerOptions.Optimize | CompilerOptions.UseRoslyn3_11_0 | CompilerOptions.ReferenceCore,
 			CompilerOptions.UseRoslynLatest | CompilerOptions.ReferenceCore,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslynLatest | CompilerOptions.ReferenceCore,
 		};
@@ -95,6 +101,8 @@ namespace ICSharpCode.Decompiler.Tests
 			CompilerOptions.Optimize | CompilerOptions.UseRoslyn1_3_2,
 			CompilerOptions.UseRoslyn2_10_0,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslyn2_10_0,
+			CompilerOptions.UseRoslyn3_11_0,
+			CompilerOptions.Optimize | CompilerOptions.UseRoslyn3_11_0,
 			CompilerOptions.UseRoslynLatest,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslynLatest,
 		};
@@ -107,6 +115,8 @@ namespace ICSharpCode.Decompiler.Tests
 			CompilerOptions.Optimize | CompilerOptions.UseRoslyn1_3_2,
 			CompilerOptions.UseRoslyn2_10_0,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslyn2_10_0,
+			CompilerOptions.UseRoslyn3_11_0,
+			CompilerOptions.Optimize | CompilerOptions.UseRoslyn3_11_0,
 			CompilerOptions.UseRoslynLatest,
 			CompilerOptions.Optimize | CompilerOptions.UseRoslynLatest,
 			CompilerOptions.UseMcs,

ICSharpCode.Decompiler.Tests/RoundtripAssembly.cs

@@ -106,14 +106,14 @@ namespace ICSharpCode.Decompiler.Tests
 		[Ignore("Waiting for https://github.com/dotnet/roslyn/issues/45929")]
 		public void ExplicitConversions_With_NativeInts()
 		{
-			RunWithOutput("Random Tests\\TestCases", "ExplicitConversions.exe", LanguageVersion.Preview);
+			RunWithOutput("Random Tests\\TestCases", "ExplicitConversions.exe", LanguageVersion.CSharp9_0);
 		}
 
 		[Test]
 		[Ignore("Waiting for https://github.com/dotnet/roslyn/issues/45929")]
 		public void ExplicitConversions_32_With_NativeInts()
 		{
-			RunWithOutput("Random Tests\\TestCases", "ExplicitConversions_32.exe", LanguageVersion.Preview);
+			RunWithOutput("Random Tests\\TestCases", "ExplicitConversions_32.exe", LanguageVersion.CSharp9_0);
 		}
 
 		[Test]
@@ -126,7 +126,7 @@ namespace ICSharpCode.Decompiler.Tests
 		[Ignore("Waiting for https://github.com/dotnet/roslyn/issues/45929")]
 		public void Random_TestCase_1_With_NativeInts()
 		{
-			RunWithOutput("Random Tests\\TestCases", "TestCase-1.exe", LanguageVersion.Preview);
+			RunWithOutput("Random Tests\\TestCases", "TestCase-1.exe", LanguageVersion.CSharp9_0);
 		}
 
 		// Let's limit the roundtrip tests to C# 8.0 for now; because 9.0 is still in preview

ICSharpCode.Decompiler.Tests/TestCases/Pretty/InitializerTests.cs

@@ -1053,7 +1053,7 @@ namespace ICSharpCode.Decompiler.Tests.TestCases.Pretty.InitializerTests
 						A = 43
 					}
 				}
-			}
+			};
 		}
 #endif
 

ICSharpCode.Decompiler/CSharp/CSharpLanguageVersion.cs

@@ -1,6 +1,20 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
+// Copyright (c) 2018 Daniel Grunwald
+// 
+// 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.
 
 namespace ICSharpCode.Decompiler.CSharp
 {
@@ -17,7 +31,9 @@ namespace ICSharpCode.Decompiler.CSharp
 		CSharp7_2 = 702,
 		CSharp7_3 = 703,
 		CSharp8_0 = 800,
-		Preview = 900,
+		CSharp9_0 = 900,
+		CSharp10_0 = 1000,
+		Preview = 1000,
 		Latest = 0x7FFFFFFF
 	}
 }

ICSharpCode.Decompiler/DecompilerSettings.cs

@@ -131,7 +131,7 @@ namespace ICSharpCode.Decompiler
 				ranges = false;
 				switchExpressions = false;
 			}
-			if (languageVersion < CSharp.LanguageVersion.Preview)
+			if (languageVersion < CSharp.LanguageVersion.CSharp9_0)
 			{
 				nativeIntegers = false;
 				initAccessors = false;
@@ -148,7 +148,7 @@ namespace ICSharpCode.Decompiler
 		{
 			if (nativeIntegers || initAccessors || functionPointers || forEachWithGetEnumeratorExtension
 				|| recordClasses || withExpressions || usePrimaryConstructorSyntax || covariantReturns)
-				return CSharp.LanguageVersion.Preview;
+				return CSharp.LanguageVersion.CSharp9_0;
 			if (nullableReferenceTypes || readOnlyMethods || asyncEnumerator || asyncUsingAndForEachStatement
 				|| staticLocalFunctions || ranges || switchExpressions)
 				return CSharp.LanguageVersion.CSharp8_0;

ILSpy/Languages/CSharpLanguage.cs

@@ -111,7 +111,8 @@ namespace ICSharpCode.ILSpy
 						new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp7_2.ToString(), "C# 7.2 / VS 2017.4"),
 						new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp7_3.ToString(), "C# 7.3 / VS 2017.7"),
 						new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp8_0.ToString(), "C# 8.0 / VS 2019"),
-						new LanguageVersion(Decompiler.CSharp.LanguageVersion.Preview.ToString(), "C# 9.0 / VS 2019.8"),
+						new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp9_0.ToString(), "C# 9.0 / VS 2019.8"),
+						new LanguageVersion(Decompiler.CSharp.LanguageVersion.CSharp10_0.ToString(), "C# 10.0 / VS 2022"),
 					};
 				}
 				return versions;

packages.props

@@ -10,7 +10,7 @@
 		<SystemCompilerServicesUnsafeVersion>5.0.0</SystemCompilerServicesUnsafeVersion>
 		<SystemCompositionVersion>5.0.1</SystemCompositionVersion>
 		<ILAsmVersion>5.0.0</ILAsmVersion> <!-- Microsoft.NETCore.ILAsm -->
-		<RoslynVersion>3.11.0-1.final</RoslynVersion> <!-- Microsoft.CodeAnalysis.* -->
+		<RoslynVersion>4.0.0-6.final</RoslynVersion> <!-- Microsoft.CodeAnalysis.* -->
 		<MonoCecilVersion>0.11.4</MonoCecilVersion>
 		<AvalonEditVersion>6.1.1</AvalonEditVersion>
 		<WpfStylesToolboxVersion>2.6.1</WpfStylesToolboxVersion>