Performance/reduce allocations, increase test coverage, configure code coverage, fix race condition

.github/workflows/dotnet.yml

@@ -24,6 +24,10 @@ jobs:
           dotnet-version: 6.0.x
     - name: Restore dependencies
       run: dotnet restore
+    - name: Build netstandard2.0 libraries
+      run: |
+        dotnet build src/TextMateSharp/TextMateSharp.csproj --no-restore
+        dotnet build src/TextMateSharp.Grammars/TextMateSharp.Grammars.csproj --no-restore
     - name: Build
       run: dotnet build --no-restore
     - name: Test

.runsettings

@@ -0,0 +1,29 @@
+<RunSettings>
+    <DataCollectionRunSettings>
+        <DataCollectors>
+            <DataCollector friendlyName="Code Coverage" uri="datacollector://Microsoft/CodeCoverage/2.0">
+                <Configuration>
+                    <CodeCoverage>
+                        <ModulePaths>
+                            <Include>
+                                <ModulePath>.*\.dll$</ModulePath>
+                            </Include>
+                            <Exclude>
+                                <ModulePath>.*Tests\.dll$</ModulePath>
+                                <ModulePath>.*Demo\.dll$</ModulePath>
+                                <!-- Standard system/third-party exclusions -->
+                                <ModulePath>.*Microsoft\..*</ModulePath>
+                                <ModulePath>.*System\..*</ModulePath>
+                                <ModulePath>.*Moq\.dll$</ModulePath>
+                                <ModulePath>.*nunit.*</ModulePath>
+                            </Exclude>
+                        </ModulePaths>
+
+                        <!-- Standard practice to exclude the test projects themselves -->
+                        <IncludeTestAssembly>False</IncludeTestAssembly>
+                    </CodeCoverage>
+                </Configuration>
+            </DataCollector>
+        </DataCollectors>
+    </DataCollectionRunSettings>
+</RunSettings>

TextMateSharp.sln

@@ -13,6 +13,7 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TextMateSharp.Grammars", "s
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SolutionItems", "SolutionItems", "{FB55729C-1952-4D20-BFE7-C3202B160A0B}"
 	ProjectSection(SolutionItems) = preProject
+		.runsettings = .runsettings
 		build\Directory.Build.props = build\Directory.Build.props
 		build\SourceLink.props = build\SourceLink.props
 	EndProjectSection

src/TextMateSharp.Benchmarks/TextMateSharp.Benchmarks.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="BenchmarkDotNet" Version="0.14.0" />
+    <PackageReference Include="BenchmarkDotNet" Version="0.15.8" />
   </ItemGroup>
 
   <ItemGroup>