Update Roslyn to 4.14, SDK to 10, C# LangVersion to 14

.editorconfig

@@ -118,6 +118,117 @@ dotnet_diagnostic.CA1510.severity = none
 # https://github.com/dotnet/roslyn-analyzers/issues/6500
 dotnet_diagnostic.CA1825.severity = none
 
+# IDE0016: Use 'throw' expression - project preference
+dotnet_diagnostic.IDE0016.severity = none
+
+# IDE0067: Dispose objects before losing scope
+dotnet_diagnostic.IDE0067.severity = none
+
+# SA0001: XML comment analysis is disabled
+dotnet_diagnostic.SA0001.severity = none
+
+# SA1316: Tuple element names should use correct casing
+dotnet_diagnostic.SA1316.severity = none
+
+# CA1014: Mark assemblies with CLSCompliantAttribute
+dotnet_diagnostic.CA1014.severity = none
+
+# CA1062: Validate arguments of public methods
+dotnet_diagnostic.CA1062.severity = none
+
+# RS1038: Compiler extensions should be implemented in assemblies with compiler-provided references
+dotnet_diagnostic.RS1038.severity = none
+
+# RS1041: Compiler extensions conflicting namespaces
+dotnet_diagnostic.RS1041.severity = none
+
+# StyleCop Suppressions
+dotnet_diagnostic.SA1005.severity = none
+dotnet_diagnostic.SA1008.severity = none
+dotnet_diagnostic.SA1027.severity = none
+dotnet_diagnostic.SA1028.severity = none
+dotnet_diagnostic.SA1100.severity = none
+dotnet_diagnostic.SA1101.severity = none
+dotnet_diagnostic.SA1118.severity = none
+dotnet_diagnostic.SA1119.severity = none
+dotnet_diagnostic.SA1124.severity = none
+dotnet_diagnostic.SA1127.severity = none
+dotnet_diagnostic.SA1128.severity = none
+dotnet_diagnostic.SA1129.severity = none
+dotnet_diagnostic.SA1130.severity = none
+dotnet_diagnostic.SA1200.severity = none
+dotnet_diagnostic.SA1201.severity = none
+dotnet_diagnostic.SA1202.severity = none
+dotnet_diagnostic.SA1203.severity = none
+dotnet_diagnostic.SA1204.severity = none
+dotnet_diagnostic.SA1205.severity = none
+dotnet_diagnostic.SA1214.severity = none
+dotnet_diagnostic.SA1215.severity = none
+dotnet_diagnostic.SA1311.severity = none
+dotnet_diagnostic.SA1400.severity = none
+dotnet_diagnostic.SA1401.severity = none
+dotnet_diagnostic.SA1402.severity = none
+dotnet_diagnostic.SA1404.severity = none
+dotnet_diagnostic.SA1504.severity = none
+dotnet_diagnostic.SA1512.severity = none
+dotnet_diagnostic.SA1513.severity = none
+dotnet_diagnostic.SA1515.severity = none
+dotnet_diagnostic.SA1516.severity = none
+dotnet_diagnostic.SA1518.severity = none
+dotnet_diagnostic.SA1600.severity = none
+dotnet_diagnostic.SA1601.severity = none
+dotnet_diagnostic.SA1602.severity = none
+dotnet_diagnostic.SA1603.severity = none
+dotnet_diagnostic.SA1604.severity = none
+dotnet_diagnostic.SA1605.severity = none
+dotnet_diagnostic.SA1606.severity = none
+dotnet_diagnostic.SA1607.severity = none
+dotnet_diagnostic.SA1608.severity = none
+dotnet_diagnostic.SA1609.severity = none
+dotnet_diagnostic.SA1610.severity = none
+dotnet_diagnostic.SA1611.severity = none
+dotnet_diagnostic.SA1612.severity = none
+dotnet_diagnostic.SA1613.severity = none
+dotnet_diagnostic.SA1614.severity = none
+dotnet_diagnostic.SA1615.severity = none
+dotnet_diagnostic.SA1616.severity = none
+dotnet_diagnostic.SA1617.severity = none
+dotnet_diagnostic.SA1618.severity = none
+dotnet_diagnostic.SA1619.severity = none
+dotnet_diagnostic.SA1620.severity = none
+dotnet_diagnostic.SA1621.severity = none
+dotnet_diagnostic.SA1622.severity = none
+dotnet_diagnostic.SA1623.severity = none
+dotnet_diagnostic.SA1624.severity = none
+dotnet_diagnostic.SA1625.severity = none
+dotnet_diagnostic.SA1626.severity = none
+dotnet_diagnostic.SA1627.severity = none
+dotnet_diagnostic.SA1628.severity = none
+dotnet_diagnostic.SA1629.severity = none
+dotnet_diagnostic.SA1630.severity = none
+dotnet_diagnostic.SA1631.severity = none
+dotnet_diagnostic.SA1632.severity = none
+dotnet_diagnostic.SA1633.severity = none
+dotnet_diagnostic.SA1634.severity = none
+dotnet_diagnostic.SA1635.severity = none
+dotnet_diagnostic.SA1636.severity = none
+dotnet_diagnostic.SA1637.severity = none
+dotnet_diagnostic.SA1638.severity = none
+dotnet_diagnostic.SA1639.severity = none
+dotnet_diagnostic.SA1640.severity = none
+dotnet_diagnostic.SA1641.severity = none
+dotnet_diagnostic.SA1642.severity = none
+dotnet_diagnostic.SA1643.severity = none
+dotnet_diagnostic.SA1644.severity = none
+dotnet_diagnostic.SA1645.severity = none
+dotnet_diagnostic.SA1646.severity = none
+dotnet_diagnostic.SA1647.severity = none
+dotnet_diagnostic.SA1648.severity = none
+dotnet_diagnostic.SA1649.severity = none
+dotnet_diagnostic.SA1650.severity = none
+dotnet_diagnostic.SA1651.severity = none
+dotnet_diagnostic.SA1652.severity = none
+
 # XML-based project files
 
 # RS1025: Configure generated code analysis - suppressed until we can decide how we want to handle it (wrt FileDetailCache).

Directory.Build.props

@@ -5,20 +5,20 @@
 
     <WTGIsTestProject Condition="$(MSBuildProjectFile.Contains('.Test.'))">True</WTGIsTestProject>
     <WTGIsTestProject Condition="$(MSBuildProjectFile.Contains('.TestFramework.'))">True</WTGIsTestProject>
-    <LangVersion>8.0</LangVersion>
+    <LangVersion>14</LangVersion>
     <CheckForOverflowUnderflow>true</CheckForOverflowUnderflow>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <TreatWarningsAsErrors>True</TreatWarningsAsErrors>
+    <EnableNETAnalyzers>true</EnableNETAnalyzers>
     <AnalysisMode>AllEnabledByDefault</AnalysisMode>
-    <CodeAnalysisRuleSet>$(BuildDirectory)CodeAnalysis.ruleset</CodeAnalysisRuleSet>
 
     <!--
       - The major and minor versions should match the Roslyn API version,
       - and the major/minor/build versions should match the NuGet package version (NuGet is x.y.z only)
       - Revision should be incremented whenever you want to publish a new version.
       -->
-    <ShortVersion Condition=" '$(TagVersion)' == '' ">3.7.2</ShortVersion>
+    <ShortVersion Condition=" '$(TagVersion)' == '' ">4.14.0</ShortVersion>
     <ShortVersion Condition=" '$(TagVersion)' != '' ">$(TagVersion.Split('-', 2)[0])</ShortVersion>
     <VersionSuffix Condition=" '$(TagVersion)' != '' ">$(TagVersion.Substring($(ShortVersion.Length)))</VersionSuffix>
 
@@ -32,9 +32,9 @@
     <FileVersion>$(Version)</FileVersion>
   </PropertyGroup>
 
-  <PropertyGroup  Condition="'$(WTGIsTestProject)' == 'True'">
-    <CodeAnalysisRuleSet>$(BuildDirectory)CodeAnalysis.Test.ruleset</CodeAnalysisRuleSet>
-  </PropertyGroup>
+  <ItemGroup Condition="'$(WTGIsTestProject)' == 'True'">
+    <GlobalAnalyzerConfigFiles Include="$(BuildDirectory)CodeAnalysis.Test.globalconfig" />
+  </ItemGroup>
 
   <PropertyGroup Condition="'$(RunCodeAnalysis)' == 'True'">
     <DebugType>full</DebugType>

WTG.Analyzers.Utils.nuspec

@@ -13,7 +13,7 @@
 		<icon>images\icon.png</icon>
 		<dependencies>
 			<group targetFramework=".NETStandard2.0">
-				<dependency id="Microsoft.CodeAnalysis.CSharp.Workspaces" version="3.7.0" />
+				<dependency id="Microsoft.CodeAnalysis.CSharp.Workspaces" version="4.14.0" />
 			</group>
 		</dependencies>
 	</metadata>

build/CodeAnalysis.Test.globalconfig

@@ -0,0 +1,7 @@
+is_global = true
+
+# CA1707: Identifiers should not contain underscores - acceptable in test methods
+dotnet_diagnostic.CA1707.severity = none
+
+# RS1036: Specify analyzer banned API enforcement setting
+dotnet_diagnostic.RS1036.severity = none

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "8.0.300",
+    "version": "10.0.100",
     "rollForward": "latestMinor"
   }
 }

src/WTG.Analyzers.Test/TestData/CodeContractsAnalyzer/Requires/InvalidSyntax/Diagnostics.xml

@@ -1,11 +1,13 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <diagnostics id="WTG2004" message="This project does not use Code Contracts." severity="Warning">
 	<suppressId>CS0305</suppressId>
+	<suppressId>CS0308</suppressId>
 	<suppressId>CS0839</suppressId>
 	<suppressId>CS1002</suppressId>
 	<suppressId>CS1501</suppressId>
 	<suppressId>CS1513</suppressId>
 	<suppressId>CS1525</suppressId>
+	<suppressId>CS8389</suppressId>
 	<diagnostic>
 		<location>Test0.cs: (17,3-34)</location>
 	</diagnostic>

src/WTG.Analyzers.Test/WTG.Analyzers.Test.csproj

@@ -12,11 +12,7 @@
     <EmbeddedResource Include="TestData\**\*.xml" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.0.1" />
-    <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="8.0.0">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.14.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

src/WTG.Analyzers.TestFramework.Test/WTG.Analyzers.TestFramework.Test.csproj

@@ -6,10 +6,6 @@
     <OutputPath>..\..\bin</OutputPath>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="8.0.0">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

src/WTG.Analyzers.TestFramework/Helpers/CodeFixer.cs

@@ -266,7 +266,9 @@ static async Task<SyntaxNode> FormatTree(Document document)
 				throw new NotSupportedException("Cannot format a document with no syntax tree.");
 			}
 
-			return Formatter.Format(root, Formatter.Annotation, document.Project.Solution.Workspace);
+			var formattedDoc = await Formatter.FormatAsync(document, Formatter.Annotation).ConfigureAwait(false);
+			return await formattedDoc.GetSyntaxRootAsync().ConfigureAwait(false)
+				?? throw new NotSupportedException("GetSyntaxRootAsync should not return null for a C# document.");
 		}
 
 		sealed class DummyFixAllDiagnosticProvider : FixAllContext.DiagnosticProvider