wip: testing the pipeline

.github/workflows/build_and_test.yaml

@@ -0,0 +1,33 @@
+name: Build and Test
+
+on:
+  push:
+    branches:
+      *
+  pull_request:
+    branches:
+      - main
+      - dev
+
+jobs:
+  build_and_test:
+    name: Build and Test
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout Repository
+      uses: actions/checkout@v2
+
+    - name: Setup .NET SDK
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: '8.0.x' # You can specify the version you need
+
+    - name: Restore Dependencies
+      run: dotnet restore CodeJoyRide.sln
+
+    - name: Build Solution
+      run: dotnet build CodeJoyRide.sln --configuration Release
+
+    - name: Run Tests
+      run: dotnet test CodeJoyRide.sln --configuration Release --no-restore --verbosity normal

CodeJoyRide.Fx.Analyzer/CodeJoyRide.Fx.Analyzer/AnalyzerReleases.Shipped.md

@@ -4,4 +4,4 @@
 
 | Rule ID | Category | Severity | Notes                                            |
 |---------|----------|----------|--------------------------------------------------|
-| CJR001  | Usage    | Warning  | The speed must be lower than the Speed of Light. |
+| CJR01   | Usage    | Warning  | The speed must be lower than the Speed of Light. |

CodeJoyRide.Fx.Analyzer/CodeJoyRide.Fx.Analyzer/MaybeCodeFixProvider.cs

@@ -46,14 +46,14 @@ public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
 
         // Register a code action that will invoke the fix.
         context.RegisterCodeFix(CodeAction.Create(
-            title: string.Format(Resources.CJR001CodeFixTitle, "throw", "Maybe.None"),
+            title: string.Format(Resources.CJR01CodeFixTitle, "throw", "Maybe.None"),
             token => ReplaceThrowWithReturnStatement(context.Document, throwStatementSyntax, token),
-            equivalenceKey: nameof(Resources.CJR001CodeFixTitle)
+            equivalenceKey: nameof(Resources.CJR01CodeFixTitle)
         ), diagnostic);
     }
 
-    private Task<Document> ReplaceThrowWithReturnStatement(Document document, CSharpSyntaxNode throwSyntaxNode,
-        CancellationToken token)
+    private Task<Document> ReplaceThrowWithReturnStatement(
+        Document document, CSharpSyntaxNode throwSyntaxNode, CancellationToken token)
     {
         throw new NotImplementedException();
     }

CodeJoyRide.Fx.Analyzer/CodeJoyRide.Fx.Analyzer/MaybeSemanticAnalyzer.cs

@@ -1,6 +1,10 @@
+using System;
 using System.Collections.Immutable;
 using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
 using Microsoft.CodeAnalysis.Diagnostics;
+using Microsoft.CodeAnalysis.Operations;
 
 namespace CodeJoyRide.Fx.Analyzer;
 
@@ -12,28 +16,28 @@ namespace CodeJoyRide.Fx.Analyzer;
 public class MaybeSemanticAnalyzer : DiagnosticAnalyzer
 {
     // Preferred format of DiagnosticId is Your Prefix + Number, e.g. CA1234.
-    public const string DiagnosticId = "CJR001";
+    public const string DiagnosticId = "CJR01";
 
     // Feel free to use raw strings if you don't need localization.
-    private static readonly LocalizableString Title = new LocalizableResourceString(nameof(Resources.CJR001Title),
+    private static readonly LocalizableString Title = new LocalizableResourceString(nameof(Resources.CJR01Title),
         Resources.ResourceManager, typeof(Resources));
 
     // The message that will be displayed to the user.
     private static readonly LocalizableString MessageFormat =
-        new LocalizableResourceString(nameof(Resources.CJR001MessageFormat), Resources.ResourceManager,
+        new LocalizableResourceString(nameof(Resources.CJR01MessageFormat), Resources.ResourceManager,
             typeof(Resources));
 
     private static readonly LocalizableString Description =
-        new LocalizableResourceString(nameof(Resources.CJR001Description), Resources.ResourceManager,
+        new LocalizableResourceString(nameof(Resources.CJR01Description), Resources.ResourceManager,
             typeof(Resources));
 
     // The category of the diagnostic (Design, Naming etc.).
     private const string Category = "Usage";
 
     private static readonly DiagnosticDescriptor Rule = new(DiagnosticId, Title, MessageFormat, Category,
-        DiagnosticSeverity.Warning, isEnabledByDefault: true, description: Description
+        DiagnosticSeverity.Error, isEnabledByDefault: true, description: Description
         , customTags: [WellKnownDiagnosticTags.NotConfigurable]
-        );
+    );
 
     // Keep in mind: you have to list your rules here.
     public override ImmutableArray<DiagnosticDescriptor> SupportedDiagnostics { get; } =
@@ -45,9 +49,40 @@ public override void Initialize(AnalysisContext context)
         context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None);
 
         // You must call this method to enable the Concurrent Execution.
-        context.EnableConcurrentExecution(); 
+        context.EnableConcurrentExecution();
 
         // Subscribe to semantic (compile time) action invocation, e.g. throw .
-        // TODO: register operation action
+        context.RegisterOperationAction(AnalyzeThrowStatements, OperationKind.Throw);
+    }
+
+    private void AnalyzeThrowStatements(OperationAnalysisContext context)
+    {
+        if (context.Operation is not IThrowOperation || context.Operation.Syntax is not ThrowStatementSyntax)
+            return;
+
+        if (context.Operation.SemanticModel is null)
+            return;
+
+        var containingMethodSyntax = GetContainingMethodSyntax(context.Operation.Syntax);
+        var containingMethodSymbol =
+            context.Operation.SemanticModel.GetDeclaredSymbol(containingMethodSyntax) as IMethodSymbol;
+
+        var returnTypeSymbol = containingMethodSymbol!.ReturnType;
+        var maybeTypeSymbol = context.Compilation.GetTypeByMetadataName("CodeJoyRide.Fx.Maybe`1");
+
+        if (!returnTypeSymbol.OriginalDefinition.Equals(maybeTypeSymbol, SymbolEqualityComparer.Default))
+            return;
+
+        var diagnostic = Diagnostic.Create(Rule, context.Operation.Syntax.GetLocation());
+        context.ReportDiagnostic(diagnostic);
+    }
+
+    private MethodDeclarationSyntax GetContainingMethodSyntax(SyntaxNode syntaxNode)
+    {
+        while (true)
+        {
+            if (syntaxNode.Parent is MethodDeclarationSyntax mds) return mds;
+            syntaxNode = syntaxNode.Parent!;
+        }
     }
 }

CodeJoyRide.Fx.Analyzer/CodeJoyRide.Fx.Analyzer/Resources.resx

@@ -18,16 +18,16 @@
     <resheader name="writer">
         <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
     </resheader>
-    <data name="CJR001CodeFixTitle" xml:space="preserve">
+    <data name="CJR01CodeFixTitle" xml:space="preserve">
         <value>Replace '{0}' with '{1}'</value><comment>The title of the code fix.</comment>
     </data>
-    <data name="CJR001Description" xml:space="preserve">
+    <data name="CJR01Description" xml:space="preserve">
         <value>It's recommended to return None instead of throw exception.</value><comment>An optional longer localizable description of the diagnostic.</comment>
     </data>
-    <data name="CJR001MessageFormat" xml:space="preserve">
+    <data name="CJR01MessageFormat" xml:space="preserve">
         <value>Use Maybe.None instead of throw exception</value><comment>The format-able message the diagnostic displays.</comment>
     </data>
-    <data name="CJR001Title" xml:space="preserve">
+    <data name="CJR01Title" xml:space="preserve">
         <value>No Throw Exception</value><comment>The title of the diagnostic.</comment>
     </data>
 </root>

CodeJoyRide.sln

@@ -17,6 +17,13 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "docs", "docs", "{D3C4A25F-0
 		README.md = README.md
 	EndProjectSection
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = ".github", ".github", "{A6A1F426-676D-4413-93B2-B9DD6A25736A}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "workflows", "workflows", "{F37F6912-F8AE-4B03-8EB0-966358BC757B}"
+	ProjectSection(SolutionItems) = preProject
+		.github\workflows\build_and_test.yaml = .github\workflows\build_and_test.yaml
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -45,5 +52,6 @@ Global
 		{3D0FED8B-0509-4407-B66C-AFC7971956C3} = {1B62324C-07F0-45FA-A1F5-C5CAD91A6AC5}
 		{906D80E7-ED31-4D3E-A47D-7ABF8F6153FB} = {1B62324C-07F0-45FA-A1F5-C5CAD91A6AC5}
 		{5508C6E9-856E-4B08-8BFD-D05803BAE144} = {85459589-7B8D-43F5-977D-64D13E685F71}
+		{F37F6912-F8AE-4B03-8EB0-966358BC757B} = {A6A1F426-676D-4413-93B2-B9DD6A25736A}
 	EndGlobalSection
 EndGlobal