Feature: Export Decompiled Code to Disk

backend/ILSpyX.Backend.LSP/Handlers/ExportAssemblyHandler.cs

@@ -0,0 +1,37 @@
+// Copyright (c) 2025 ICSharpCode
+// Licensed under the MIT license. See the LICENSE file in the project root for more information.
+
+using ILSpyX.Backend.Decompiler;
+using ILSpyX.Backend.LSP.Protocol;
+using OmniSharp.Extensions.JsonRpc;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace ILSpyX.Backend.LSP.Handlers;
+
+[Serial, Method("ilspy/exportAssembly", Direction.ClientToServer)]
+public class ExportAssemblyHandler(DecompilerBackend decompilerBackend)
+    : IJsonRpcRequestHandler<ExportAssemblyRequest, ExportAssemblyResponse>
+{
+    public async Task<ExportAssemblyResponse> Handle(
+        ExportAssemblyRequest request,
+        CancellationToken cancellationToken)
+    {
+        (var result, bool shouldUpdateAssemblyList) =
+            await decompilerBackend.DetectAutoLoadedAssemblies(() =>
+                decompilerBackend.ExportAssemblyAsync(
+                    request.NodeMetadata,
+                    request.OutputLanguage,
+                    request.OutputDirectory,
+                    request.IncludeCompilerGenerated,
+                    cancellationToken));
+
+        return new ExportAssemblyResponse(
+            result.Succeeded,
+            result.OutputDirectory,
+            result.FilesWritten,
+            result.ErrorCount,
+            result.ErrorMessage,
+            shouldUpdateAssemblyList);
+    }
+}

backend/ILSpyX.Backend.LSP/Program.cs

@@ -41,6 +41,7 @@ static async Task Main(string[] args)
                 .WithHandler<InitWithAssembliesHandler>()
                 .WithHandler<AddAssemblyHandler>()
                 .WithHandler<DecompileNodeHandler>()
+                .WithHandler<ExportAssemblyHandler>()
                 .WithHandler<GetNodesHandler>()
                 .WithHandler<RemoveAssemblyHandler>()
                 .WithHandler<SearchHandler>()

backend/ILSpyX.Backend.LSP/Protocol/Messages.cs

@@ -60,6 +60,26 @@ public DecompileResponse(DecompileResult decompileResult, bool shouldUpdateAssem
 
     #endregion
 
+    #region exportAssembly
+
+    [Serial, Method("ilspy/exportAssembly", Direction.ClientToServer)]
+    public record ExportAssemblyRequest(
+        NodeMetadata NodeMetadata,
+        string OutputLanguage,
+        string OutputDirectory,
+        bool IncludeCompilerGenerated)
+        : IRequest<ExportAssemblyResponse>;
+
+    public record ExportAssemblyResponse(
+        bool Succeeded,
+        string? OutputDirectory,
+        int FilesWritten,
+        int ErrorCount,
+        string? ErrorMessage,
+        bool ShouldUpdateAssemblyList);
+
+    #endregion
+
     #region getNodes
 
     [Serial, Method("ilspy/getNodes", Direction.ClientToServer)]