Fixed some crashes in response strings source generator, reorganized more submodules into their folders

src/NadekoBot.Generators/Command/CommandAttributesGenerator.cs

@@ -1,7 +1,8 @@
-using System.CodeDom.Compiler;
-using System.Collections;
+#nullable enable
+using System.CodeDom.Compiler;
 using System.Collections.Generic;
 using System.Collections.Immutable;
+using System.Collections.ObjectModel;
 using System.Diagnostics;
 using System.IO;
 using System.Linq;
@@ -29,18 +30,34 @@ public class CmdAttribute : System.Attribute
 
     public class MethodModel
     {
-        public string Namespace { get; set; }
-        public IReadOnlyCollection<string> Classes { get; set; }
-        public string ReturnType { get; set; }
-        public string MethodName { get; set; }
-        public IEnumerable<string> Params { get; set; }
+        public string? Namespace { get; }
+        public IReadOnlyCollection<string> Classes { get; }
+        public string ReturnType { get; }
+        public string MethodName { get; }
+        public IEnumerable<string> Params { get; }
+
+        public MethodModel(string? ns, IReadOnlyCollection<string> classes, string returnType, string methodName, IEnumerable<string> @params)
+        {
+            Namespace = ns;
+            Classes = classes;
+            ReturnType = returnType;
+            MethodName = methodName;
+            Params = @params;
+        }
     }
 
     public class FileModel
     {
-        public string Namespace { get; set; }
-        public IReadOnlyCollection<string> ClassHierarchy { get; set; }
-        public IReadOnlyCollection<MethodModel> Methods { get; set; }
+        public string? Namespace { get; }
+        public IReadOnlyCollection<string> ClassHierarchy { get; }
+        public IReadOnlyCollection<MethodModel> Methods { get; }
+
+        public FileModel(string? ns, IReadOnlyCollection<string> classHierarchy, IReadOnlyCollection<MethodModel> methods)
+        {
+            Namespace = ns;
+            ClassHierarchy = classHierarchy;
+            Methods = methods;
+        }
     }
 
     public void Initialize(IncrementalGeneratorInitializationContext context)
@@ -53,13 +70,13 @@ public class CmdAttribute : System.Attribute
             .CreateSyntaxProvider(
                 static (node, _) => node is MethodDeclarationSyntax { AttributeLists.Count: > 0 },
                 static (ctx, cancel) => Transform(ctx, cancel))
-            .Where(static m => m != default)
-            .Where(static m => m.ChildTokens().Any(static x => x.IsKind(SyntaxKind.PublicKeyword)));
+            .Where(static m => m is not null)
+            .Where(static m => m!.ChildTokens().Any(static x => x.IsKind(SyntaxKind.PublicKeyword)));
 
         var compilationMethods = context.CompilationProvider.Combine(methods.Collect());
 
         context.RegisterSourceOutput(compilationMethods,
-            static (ctx, tuple) => RegisterAction(in ctx, tuple.Left, in tuple.Right));
+            static (ctx, tuple) => RegisterAction(in ctx, tuple.Left, in tuple.Right!));
     }
 
     private static void RegisterAction(in SourceProductionContext ctx,
@@ -137,7 +154,12 @@ public class CmdAttribute : System.Attribute
         
         tw.WriteLine("// <AutoGenerated />");
         tw.WriteLine("#pragma warning disable CS1066");
+
+        if (model.Namespace is not null)
+        {
             tw.WriteLine($"namespace {model.Namespace};");
+            tw.WriteLine();
+        }
 
         foreach (var className in model.ClassHierarchy)
         {
@@ -176,13 +198,15 @@ public class CmdAttribute : System.Attribute
         
         foreach (var group in groups)
         {
+            if (cancel.IsCancellationRequested)
+                return new Collection<FileModel>();
+            
             var elems = group.ToList();
-            var model = new FileModel()
-            {
-                Methods = elems,
-                Namespace = elems[0].Namespace,
-                ClassHierarchy = elems[0].Classes
-            };
+            var model = new FileModel(
+                methods: elems,
+                ns: elems[0].Namespace,
+                classHierarchy: elems[0].Classes
+            );
             
             models.Add(model);
         }
@@ -195,9 +219,9 @@ public class CmdAttribute : System.Attribute
     {
         // SpinWait.SpinUntil(static () => Debugger.IsAttached);
 
-        var methodModel = new MethodModel();
         var semanticModel = comp.GetSemanticModel(decl.SyntaxTree);
-        methodModel.Params = decl.ParameterList.Parameters
+        var methodModel = new MethodModel(
+            @params: decl.ParameterList.Parameters
                 .Select(p =>
                 {
                     var prefix = p.Modifiers.Any(static x => x.IsKind(SyntaxKind.ParamsKeyword))
@@ -236,12 +260,12 @@ public class CmdAttribute : System.Attribute
 
                     return $"{prefix}{type} {name}{suffix}";
                 })
-            .ToList();
-
-        methodModel.MethodName = decl.Identifier.Text;
-        methodModel.ReturnType = decl.ReturnType.ToString();
-        methodModel.Namespace = GetNamespace(decl);
-        methodModel.Classes = GetClasses(decl);
+                .ToList(),
+            methodName: decl.Identifier.Text,
+            returnType: decl.ReturnType.ToString(),
+            ns: GetNamespace(decl),
+            classes: GetClasses(decl)
+        );
 
         return methodModel;
     }
@@ -266,10 +290,10 @@ public class CmdAttribute : System.Attribute
     // }
 
     //https://github.com/andrewlock/NetEscapades.EnumGenerators/blob/main/src/NetEscapades.EnumGenerators/EnumGenerator.cs
-    static string GetNamespace(MethodDeclarationSyntax declarationSyntax)
+    static string? GetNamespace(MethodDeclarationSyntax declarationSyntax)
     {
         // determine the namespace the class is declared in, if any
-        var nameSpace = string.Empty;
+        string? nameSpace = null;
         var parentOfInterest = declarationSyntax.Parent;
         while (parentOfInterest is not null)
         {
@@ -294,7 +318,7 @@ public class CmdAttribute : System.Attribute
             
         }
         
-        return default;
+        return nameSpace;
     }
     
     static IReadOnlyCollection<string> GetClasses(MethodDeclarationSyntax declarationSyntax)
@@ -317,7 +341,7 @@ public class CmdAttribute : System.Attribute
         return classes;
     }
 
-    private static MethodDeclarationSyntax Transform(GeneratorSyntaxContext ctx, CancellationToken cancel)
+    private static MethodDeclarationSyntax? Transform(GeneratorSyntaxContext ctx, CancellationToken cancel)
     {
         var methodDecl = (MethodDeclarationSyntax)ctx.Node;
         

src/NadekoBot.Generators/LocalizedStringsGenerator.cs

@@ -1,6 +1,8 @@
-using System;
+#nullable enable
+using System;
 using System.CodeDom.Compiler;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Text.RegularExpressions;
@@ -9,10 +11,16 @@ using Newtonsoft.Json;
 
 namespace NadekoBot.Generators
 {
-    internal class TranslationPair
+    internal readonly struct TranslationPair
     {
-        public string Name { get; set; }
-        public string Value { get; set; }
+        public string Name { get; }
+        public string Value { get; }
+
+        public TranslationPair(string name, string value)
+        {
+            Name = name;
+            Value = value;
+        }
     }
 
     [Generator]
@@ -48,8 +56,7 @@ namespace NadekoBot.Generators
             using (var sw = new IndentedTextWriter(stringWriter))
             {
                 sw.WriteLine("namespace NadekoBot");
-                sw.WriteLine("{");
-                sw.Indent++;
+                sw.WriteLine();
 
                 sw.WriteLine("public static class strs");
                 sw.WriteLine("{");
@@ -82,8 +89,6 @@ namespace NadekoBot.Generators
 
                 sw.Indent--;
                 sw.WriteLine("}");
-                sw.Indent--;
-                sw.WriteLine("}");
 
 
                 sw.Flush();
@@ -93,21 +98,33 @@ namespace NadekoBot.Generators
             context.AddSource("LocStr.g.cs", LOC_STR_SOURCE);
         }
 
-        private List<TranslationPair> GetFields(string dataText)
+        private List<TranslationPair> GetFields(string? dataText)
         {
             if (string.IsNullOrWhiteSpace(dataText))
-                throw new ArgumentNullException(nameof(dataText));
+                return new();
 
-            var data = JsonConvert.DeserializeObject<Dictionary<string, string>>(dataText);
+            Dictionary<string, string> data;
+            try
+            {
+                var output = JsonConvert.DeserializeObject<Dictionary<string, string>>(dataText!);
+                if (output is null)
+                    return new();
+
+                data = output;
+            }
+            catch
+            {
+                Debug.WriteLine("Failed parsing responses file.");
+                return new();
+            }
 
             var list = new List<TranslationPair>();
             foreach (var entry in data)
             {
-                list.Add(new TranslationPair()
-                {
-                    Name = entry.Key,
-                    Value = entry.Value
-                });
+                list.Add(new(
+                    entry.Key,
+                    entry.Value
+                ));
             }
 
             return list;

src/NadekoBot/Modules/Gambling/Gambling.cs

@@ -200,7 +200,7 @@ public partial class Gambling : GamblingModule<GamblingService>
         if (--page < 0)
             return;
 
-        var trs = new List<CurrencyTransaction>();
+        List<CurrencyTransaction> trs;
         await using (var uow = _db.GetDbContext())
         {
             trs = uow.CurrencyTransactions.GetPageFor(userId, page);

src/NadekoBot/Modules/Games/Connect4Commands.cs

@@ -1 +0,0 @@
-#nullable disable