mirror of
https://gitlab.com/Kwoth/nadekobot.git
synced 2025-09-13 02:38:27 -04:00
Added uncommited files. Fixed nullref in update loop when users gain voice xp
This commit is contained in:
Kwoth
@@ -1,336 +1,336 @@
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#nullable enable
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using System;
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using System.CodeDom.Compiler;
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using System.Collections.Generic;
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using System.Collections.Immutable;
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using System.Collections.ObjectModel;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using Microsoft.CodeAnalysis;
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using Microsoft.CodeAnalysis.CSharp;
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using Microsoft.CodeAnalysis.CSharp.Syntax;
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using Microsoft.CodeAnalysis.Text;
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namespace NadekoBot.Generators.Command;
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[Generator]
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public class CommandAttributesGenerator : IIncrementalGenerator
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{
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public const string ATTRIBUTE = @"// <AutoGenerated />
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namespace NadekoBot.Common;
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[System.AttributeUsage(System.AttributeTargets.Method)]
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public class CmdAttribute : System.Attribute
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{
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}";
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public class MethodModel
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{
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public string? Namespace { get; }
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public IReadOnlyCollection<string> Classes { get; }
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public string ReturnType { get; }
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public string MethodName { get; }
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public IEnumerable<string> Params { get; }
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public MethodModel(string? ns, IReadOnlyCollection<string> classes, string returnType, string methodName, IEnumerable<string> @params)
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{
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Namespace = ns;
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Classes = classes;
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ReturnType = returnType;
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MethodName = methodName;
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Params = @params;
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}
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}
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public class FileModel
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{
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public string? Namespace { get; }
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public IReadOnlyCollection<string> ClassHierarchy { get; }
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public IReadOnlyCollection<MethodModel> Methods { get; }
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public FileModel(string? ns, IReadOnlyCollection<string> classHierarchy, IReadOnlyCollection<MethodModel> methods)
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{
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Namespace = ns;
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ClassHierarchy = classHierarchy;
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Methods = methods;
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}
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}
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public void Initialize(IncrementalGeneratorInitializationContext context)
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{
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// #if DEBUG
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// if (!Debugger.IsAttached)
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// Debugger.Launch();
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// // SpinWait.SpinUntil(() => Debugger.IsAttached);
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// #endif
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context.RegisterPostInitializationOutput(static ctx => ctx.AddSource(
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"CmdAttribute.g.cs",
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SourceText.From(ATTRIBUTE, Encoding.UTF8)));
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var methods = context.SyntaxProvider
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.CreateSyntaxProvider(
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static (node, _) => node is MethodDeclarationSyntax { AttributeLists.Count: > 0 },
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static (ctx, cancel) => Transform(ctx, cancel))
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.Where(static m => m is not null)
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.Where(static m => m?.ChildTokens().Any(static x => x.IsKind(SyntaxKind.PublicKeyword)) ?? false);
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var compilationMethods = context.CompilationProvider.Combine(methods.Collect());
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context.RegisterSourceOutput(compilationMethods,
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static (ctx, tuple) => RegisterAction(in ctx, tuple.Left, in tuple.Right));
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}
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private static void RegisterAction(in SourceProductionContext ctx,
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Compilation comp,
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in ImmutableArray<MethodDeclarationSyntax?> methods)
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{
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if (methods is { IsDefaultOrEmpty: true })
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return;
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var models = GetModels(comp, methods, ctx.CancellationToken);
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foreach (var model in models)
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{
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var name = $"{model.Namespace}.{string.Join(".", model.ClassHierarchy)}.g.cs";
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try
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{
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var source = GetSourceText(model);
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ctx.AddSource(name, SourceText.From(source, Encoding.UTF8));
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}
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catch (Exception ex)
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{
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Console.WriteLine($"Error writing source file {name}\n" + ex);
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}
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}
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}
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private static string GetSourceText(FileModel model)
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{
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using var sw = new StringWriter();
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using var tw = new IndentedTextWriter(sw);
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tw.WriteLine("// <AutoGenerated />");
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tw.WriteLine("#pragma warning disable CS1066");
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if (model.Namespace is not null)
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{
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tw.WriteLine($"namespace {model.Namespace};");
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tw.WriteLine();
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}
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foreach (var className in model.ClassHierarchy)
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{
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tw.WriteLine($"public partial class {className}");
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tw.WriteLine("{");
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tw.Indent ++;
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}
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foreach (var method in model.Methods)
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{
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tw.WriteLine("[NadekoCommand]");
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tw.WriteLine("[NadekoDescription]");
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tw.WriteLine("[Aliases]");
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tw.WriteLine($"public partial {method.ReturnType} {method.MethodName}({string.Join(", ", method.Params)});");
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}
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foreach (var _ in model.ClassHierarchy)
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{
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tw.Indent --;
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tw.WriteLine("}");
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}
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tw.Flush();
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return sw.ToString();
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}
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private static IReadOnlyCollection<FileModel> GetModels(Compilation compilation,
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in ImmutableArray<MethodDeclarationSyntax?> inputMethods,
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CancellationToken cancel)
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{
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var models = new List<FileModel>();
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var methods = inputMethods
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.Where(static x => x is not null)
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.Distinct();
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var methodModels = methods
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.Select(x => MethodDeclarationToMethodModel(compilation, x!))
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.Where(static x => x is not null)
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.Cast<MethodModel>();
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var groups = methodModels
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.GroupBy(static x => $"{x.Namespace}.{string.Join(".", x.Classes)}");
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foreach (var group in groups)
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{
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if (cancel.IsCancellationRequested)
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return new Collection<FileModel>();
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if (group is null)
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continue;
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var elems = group.ToList();
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if (elems.Count is 0)
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continue;
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var model = new FileModel(
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methods: elems,
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ns: elems[0].Namespace,
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classHierarchy: elems![0].Classes
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);
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models.Add(model);
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}
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return models;
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}
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private static MethodModel? MethodDeclarationToMethodModel(Compilation comp, MethodDeclarationSyntax decl)
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{
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// SpinWait.SpinUntil(static () => Debugger.IsAttached);
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SemanticModel semanticModel;
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try
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{
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semanticModel = comp.GetSemanticModel(decl.SyntaxTree);
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}
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catch
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{
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// for some reason this method can throw "Not part of this compilation" argument exception
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return null;
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}
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var methodModel = new MethodModel(
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@params: decl.ParameterList.Parameters
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.Where(p => p.Type is not null)
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.Select(p =>
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{
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var prefix = p.Modifiers.Any(static x => x.IsKind(SyntaxKind.ParamsKeyword))
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? "params "
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: string.Empty;
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var type = semanticModel
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.GetTypeInfo(p.Type!)
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.Type
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?.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat);
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var name = p.Identifier.Text;
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var suffix = string.Empty;
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if (p.Default is not null)
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{
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if (p.Default.Value is LiteralExpressionSyntax)
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{
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suffix = " = " + p.Default.Value;
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}
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else if (p.Default.Value is MemberAccessExpressionSyntax maes)
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{
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var maesSemModel = comp.GetSemanticModel(maes.SyntaxTree);
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var sym = maesSemModel.GetSymbolInfo(maes.Name);
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if (sym.Symbol is null)
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{
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suffix = " = " + p.Default.Value;
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}
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else
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{
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suffix = " = " + sym.Symbol.ToDisplayString();
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}
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}
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}
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return $"{prefix}{type} {name}{suffix}";
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})
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.ToList(),
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methodName: decl.Identifier.Text,
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returnType: decl.ReturnType.ToString(),
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ns: GetNamespace(decl),
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classes: GetClasses(decl)
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);
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return methodModel;
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}
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//https://github.com/andrewlock/NetEscapades.EnumGenerators/blob/main/src/NetEscapades.EnumGenerators/EnumGenerator.cs
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static string? GetNamespace(MethodDeclarationSyntax declarationSyntax)
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{
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// determine the namespace the class is declared in, if any
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string? nameSpace = null;
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var parentOfInterest = declarationSyntax.Parent;
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while (parentOfInterest is not null)
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{
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parentOfInterest = parentOfInterest.Parent;
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if (parentOfInterest is BaseNamespaceDeclarationSyntax ns)
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{
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nameSpace = ns.Name.ToString();
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while (true)
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{
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if (ns.Parent is not NamespaceDeclarationSyntax parent)
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{
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break;
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}
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ns = parent;
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nameSpace = $"{ns.Name}.{nameSpace}";
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}
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return nameSpace;
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}
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}
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return nameSpace;
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}
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static IReadOnlyCollection<string> GetClasses(MethodDeclarationSyntax declarationSyntax)
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{
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// determine the namespace the class is declared in, if any
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var classes = new LinkedList<string>();
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var parentOfInterest = declarationSyntax.Parent;
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while (parentOfInterest is not null)
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{
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if (parentOfInterest is ClassDeclarationSyntax cds)
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{
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classes.AddFirst(cds.Identifier.ToString());
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}
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parentOfInterest = parentOfInterest.Parent;
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}
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Debug.WriteLine($"Method {declarationSyntax.Identifier.Text} has {classes.Count} classes");
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return classes;
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}
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private static MethodDeclarationSyntax? Transform(GeneratorSyntaxContext ctx, CancellationToken cancel)
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{
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var methodDecl = ctx.Node as MethodDeclarationSyntax;
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if (methodDecl is null)
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return default;
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foreach (var attListSyntax in methodDecl.AttributeLists)
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{
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foreach (var attSyntax in attListSyntax.Attributes)
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{
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if (cancel.IsCancellationRequested)
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return default;
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var symbol = ctx.SemanticModel.GetSymbolInfo(attSyntax).Symbol;
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if (symbol is not IMethodSymbol attSymbol)
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continue;
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if (attSymbol.ContainingType.ToDisplayString() == "NadekoBot.Common.CmdAttribute")
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return methodDecl;
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}
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}
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return default;
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}
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}
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// #nullable enable
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// using System;
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// using System.CodeDom.Compiler;
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// using System.Collections.Generic;
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// using System.Collections.Immutable;
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// using System.Collections.ObjectModel;
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// using System.Diagnostics;
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// using System.IO;
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// using System.Linq;
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// using System.Text;
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// using System.Threading;
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// using Microsoft.CodeAnalysis;
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// using Microsoft.CodeAnalysis.CSharp;
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// using Microsoft.CodeAnalysis.CSharp.Syntax;
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// using Microsoft.CodeAnalysis.Text;
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//
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// namespace NadekoBot.Generators.Command;
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//
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// [Generator]
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// public class CommandAttributesGenerator : IIncrementalGenerator
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// {
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// public const string ATTRIBUTE = @"// <AutoGenerated />
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//
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// namespace NadekoBot.Common;
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//
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// [System.AttributeUsage(System.AttributeTargets.Method)]
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// public class CmdAttribute : System.Attribute
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// {
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//
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// }";
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//
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// public class MethodModel
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// {
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// public string? Namespace { get; }
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// public IReadOnlyCollection<string> Classes { get; }
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// public string ReturnType { get; }
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// public string MethodName { get; }
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// public IEnumerable<string> Params { get; }
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//
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// public MethodModel(string? ns, IReadOnlyCollection<string> classes, string returnType, string methodName, IEnumerable<string> @params)
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// {
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// Namespace = ns;
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// Classes = classes;
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// ReturnType = returnType;
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// MethodName = methodName;
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// Params = @params;
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// }
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||||
// }
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//
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// public class FileModel
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// {
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// public string? Namespace { get; }
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||||
// public IReadOnlyCollection<string> ClassHierarchy { get; }
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||||
// public IReadOnlyCollection<MethodModel> Methods { get; }
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//
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// public FileModel(string? ns, IReadOnlyCollection<string> classHierarchy, IReadOnlyCollection<MethodModel> methods)
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// {
|
||||
// Namespace = ns;
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||||
// ClassHierarchy = classHierarchy;
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||||
// Methods = methods;
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||||
// }
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||||
// }
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||||
//
|
||||
// public void Initialize(IncrementalGeneratorInitializationContext context)
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||||
// {
|
||||
// // #if DEBUG
|
||||
// // if (!Debugger.IsAttached)
|
||||
// // Debugger.Launch();
|
||||
// // // SpinWait.SpinUntil(() => Debugger.IsAttached);
|
||||
// // #endif
|
||||
// context.RegisterPostInitializationOutput(static ctx => ctx.AddSource(
|
||||
// "CmdAttribute.g.cs",
|
||||
// SourceText.From(ATTRIBUTE, Encoding.UTF8)));
|
||||
//
|
||||
// var methods = context.SyntaxProvider
|
||||
// .CreateSyntaxProvider(
|
||||
// static (node, _) => node is MethodDeclarationSyntax { AttributeLists.Count: > 0 },
|
||||
// static (ctx, cancel) => Transform(ctx, cancel))
|
||||
// .Where(static m => m is not null)
|
||||
// .Where(static m => m?.ChildTokens().Any(static x => x.IsKind(SyntaxKind.PublicKeyword)) ?? false);
|
||||
//
|
||||
// var compilationMethods = context.CompilationProvider.Combine(methods.Collect());
|
||||
//
|
||||
// context.RegisterSourceOutput(compilationMethods,
|
||||
// static (ctx, tuple) => RegisterAction(in ctx, tuple.Left, in tuple.Right));
|
||||
// }
|
||||
//
|
||||
// private static void RegisterAction(in SourceProductionContext ctx,
|
||||
// Compilation comp,
|
||||
// in ImmutableArray<MethodDeclarationSyntax?> methods)
|
||||
// {
|
||||
// if (methods is { IsDefaultOrEmpty: true })
|
||||
// return;
|
||||
//
|
||||
// var models = GetModels(comp, methods, ctx.CancellationToken);
|
||||
//
|
||||
// foreach (var model in models)
|
||||
// {
|
||||
// var name = $"{model.Namespace}.{string.Join(".", model.ClassHierarchy)}.g.cs";
|
||||
// try
|
||||
// {
|
||||
// var source = GetSourceText(model);
|
||||
// ctx.AddSource(name, SourceText.From(source, Encoding.UTF8));
|
||||
// }
|
||||
// catch (Exception ex)
|
||||
// {
|
||||
// Console.WriteLine($"Error writing source file {name}\n" + ex);
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
//
|
||||
// private static string GetSourceText(FileModel model)
|
||||
// {
|
||||
// using var sw = new StringWriter();
|
||||
// using var tw = new IndentedTextWriter(sw);
|
||||
//
|
||||
// tw.WriteLine("// <AutoGenerated />");
|
||||
// tw.WriteLine("#pragma warning disable CS1066");
|
||||
//
|
||||
// if (model.Namespace is not null)
|
||||
// {
|
||||
// tw.WriteLine($"namespace {model.Namespace};");
|
||||
// tw.WriteLine();
|
||||
// }
|
||||
//
|
||||
// foreach (var className in model.ClassHierarchy)
|
||||
// {
|
||||
// tw.WriteLine($"public partial class {className}");
|
||||
// tw.WriteLine("{");
|
||||
// tw.Indent ++;
|
||||
// }
|
||||
//
|
||||
// foreach (var method in model.Methods)
|
||||
// {
|
||||
// tw.WriteLine("[NadekoCommand]");
|
||||
// tw.WriteLine("[NadekoDescription]");
|
||||
// tw.WriteLine("[Aliases]");
|
||||
// tw.WriteLine($"public partial {method.ReturnType} {method.MethodName}({string.Join(", ", method.Params)});");
|
||||
// }
|
||||
//
|
||||
// foreach (var _ in model.ClassHierarchy)
|
||||
// {
|
||||
// tw.Indent --;
|
||||
// tw.WriteLine("}");
|
||||
// }
|
||||
//
|
||||
// tw.Flush();
|
||||
// return sw.ToString();
|
||||
// }
|
||||
//
|
||||
// private static IReadOnlyCollection<FileModel> GetModels(Compilation compilation,
|
||||
// in ImmutableArray<MethodDeclarationSyntax?> inputMethods,
|
||||
// CancellationToken cancel)
|
||||
// {
|
||||
// var models = new List<FileModel>();
|
||||
//
|
||||
// var methods = inputMethods
|
||||
// .Where(static x => x is not null)
|
||||
// .Distinct();
|
||||
//
|
||||
// var methodModels = methods
|
||||
// .Select(x => MethodDeclarationToMethodModel(compilation, x!))
|
||||
// .Where(static x => x is not null)
|
||||
// .Cast<MethodModel>();
|
||||
//
|
||||
// var groups = methodModels
|
||||
// .GroupBy(static x => $"{x.Namespace}.{string.Join(".", x.Classes)}");
|
||||
//
|
||||
// foreach (var group in groups)
|
||||
// {
|
||||
// if (cancel.IsCancellationRequested)
|
||||
// return new Collection<FileModel>();
|
||||
//
|
||||
// if (group is null)
|
||||
// continue;
|
||||
//
|
||||
// var elems = group.ToList();
|
||||
// if (elems.Count is 0)
|
||||
// continue;
|
||||
//
|
||||
// var model = new FileModel(
|
||||
// methods: elems,
|
||||
// ns: elems[0].Namespace,
|
||||
// classHierarchy: elems![0].Classes
|
||||
// );
|
||||
//
|
||||
// models.Add(model);
|
||||
// }
|
||||
//
|
||||
//
|
||||
// return models;
|
||||
// }
|
||||
//
|
||||
// private static MethodModel? MethodDeclarationToMethodModel(Compilation comp, MethodDeclarationSyntax decl)
|
||||
// {
|
||||
// // SpinWait.SpinUntil(static () => Debugger.IsAttached);
|
||||
//
|
||||
// SemanticModel semanticModel;
|
||||
// try
|
||||
// {
|
||||
// semanticModel = comp.GetSemanticModel(decl.SyntaxTree);
|
||||
// }
|
||||
// catch
|
||||
// {
|
||||
// // for some reason this method can throw "Not part of this compilation" argument exception
|
||||
// return null;
|
||||
// }
|
||||
//
|
||||
// var methodModel = new MethodModel(
|
||||
// @params: decl.ParameterList.Parameters
|
||||
// .Where(p => p.Type is not null)
|
||||
// .Select(p =>
|
||||
// {
|
||||
// var prefix = p.Modifiers.Any(static x => x.IsKind(SyntaxKind.ParamsKeyword))
|
||||
// ? "params "
|
||||
// : string.Empty;
|
||||
//
|
||||
// var type = semanticModel
|
||||
// .GetTypeInfo(p.Type!)
|
||||
// .Type
|
||||
// ?.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat);
|
||||
//
|
||||
//
|
||||
// var name = p.Identifier.Text;
|
||||
//
|
||||
// var suffix = string.Empty;
|
||||
// if (p.Default is not null)
|
||||
// {
|
||||
// if (p.Default.Value is LiteralExpressionSyntax)
|
||||
// {
|
||||
// suffix = " = " + p.Default.Value;
|
||||
// }
|
||||
// else if (p.Default.Value is MemberAccessExpressionSyntax maes)
|
||||
// {
|
||||
// var maesSemModel = comp.GetSemanticModel(maes.SyntaxTree);
|
||||
// var sym = maesSemModel.GetSymbolInfo(maes.Name);
|
||||
// if (sym.Symbol is null)
|
||||
// {
|
||||
// suffix = " = " + p.Default.Value;
|
||||
// }
|
||||
// else
|
||||
// {
|
||||
// suffix = " = " + sym.Symbol.ToDisplayString();
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
//
|
||||
// return $"{prefix}{type} {name}{suffix}";
|
||||
// })
|
||||
// .ToList(),
|
||||
// methodName: decl.Identifier.Text,
|
||||
// returnType: decl.ReturnType.ToString(),
|
||||
// ns: GetNamespace(decl),
|
||||
// classes: GetClasses(decl)
|
||||
// );
|
||||
//
|
||||
// return methodModel;
|
||||
// }
|
||||
//
|
||||
// //https://github.com/andrewlock/NetEscapades.EnumGenerators/blob/main/src/NetEscapades.EnumGenerators/EnumGenerator.cs
|
||||
// static string? GetNamespace(MethodDeclarationSyntax declarationSyntax)
|
||||
// {
|
||||
// // determine the namespace the class is declared in, if any
|
||||
// string? nameSpace = null;
|
||||
// var parentOfInterest = declarationSyntax.Parent;
|
||||
// while (parentOfInterest is not null)
|
||||
// {
|
||||
// parentOfInterest = parentOfInterest.Parent;
|
||||
//
|
||||
// if (parentOfInterest is BaseNamespaceDeclarationSyntax ns)
|
||||
// {
|
||||
// nameSpace = ns.Name.ToString();
|
||||
// while (true)
|
||||
// {
|
||||
// if (ns.Parent is not NamespaceDeclarationSyntax parent)
|
||||
// {
|
||||
// break;
|
||||
// }
|
||||
//
|
||||
// ns = parent;
|
||||
// nameSpace = $"{ns.Name}.{nameSpace}";
|
||||
// }
|
||||
//
|
||||
// return nameSpace;
|
||||
// }
|
||||
//
|
||||
// }
|
||||
//
|
||||
// return nameSpace;
|
||||
// }
|
||||
//
|
||||
// static IReadOnlyCollection<string> GetClasses(MethodDeclarationSyntax declarationSyntax)
|
||||
// {
|
||||
// // determine the namespace the class is declared in, if any
|
||||
// var classes = new LinkedList<string>();
|
||||
// var parentOfInterest = declarationSyntax.Parent;
|
||||
// while (parentOfInterest is not null)
|
||||
// {
|
||||
// if (parentOfInterest is ClassDeclarationSyntax cds)
|
||||
// {
|
||||
// classes.AddFirst(cds.Identifier.ToString());
|
||||
// }
|
||||
//
|
||||
// parentOfInterest = parentOfInterest.Parent;
|
||||
// }
|
||||
//
|
||||
// Debug.WriteLine($"Method {declarationSyntax.Identifier.Text} has {classes.Count} classes");
|
||||
//
|
||||
// return classes;
|
||||
// }
|
||||
//
|
||||
// private static MethodDeclarationSyntax? Transform(GeneratorSyntaxContext ctx, CancellationToken cancel)
|
||||
// {
|
||||
// var methodDecl = ctx.Node as MethodDeclarationSyntax;
|
||||
// if (methodDecl is null)
|
||||
// return default;
|
||||
//
|
||||
// foreach (var attListSyntax in methodDecl.AttributeLists)
|
||||
// {
|
||||
// foreach (var attSyntax in attListSyntax.Attributes)
|
||||
// {
|
||||
// if (cancel.IsCancellationRequested)
|
||||
// return default;
|
||||
//
|
||||
// var symbol = ctx.SemanticModel.GetSymbolInfo(attSyntax).Symbol;
|
||||
// if (symbol is not IMethodSymbol attSymbol)
|
||||
// continue;
|
||||
//
|
||||
// if (attSymbol.ContainingType.ToDisplayString() == "NadekoBot.Common.CmdAttribute")
|
||||
// return methodDecl;
|
||||
// }
|
||||
// }
|
||||
//
|
||||
// return default;
|
||||
// }
|
||||
// }
|
||||
Reference in New Issue
Block a user