// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
#nullable disable
 
using System;
using System.Diagnostics;
using Microsoft.CodeAnalysis.CodeGeneration;
using Microsoft.CodeAnalysis.Editor.Shared.Utilities;
using Microsoft.CodeAnalysis.LanguageService;
 
namespace Microsoft.VisualStudio.LanguageServices.Implementation.CodeModel;
 
/// <summary>
/// Shared state common to all code model objects.
/// </summary>
internal sealed class CodeModelState
{
    public IThreadingContext ThreadingContext { get; }
    public IServiceProvider ServiceProvider { get; }
    public ICodeModelService CodeModelService { get; }
    public ISyntaxFactsService SyntaxFactsService { get; }
    public ICodeGenerationService CodeGenerator { get; }
    public VisualStudioWorkspace Workspace { get; }
    public ProjectCodeModelFactory ProjectCodeModelFactory { get; }
 
    public CodeModelState(
        IThreadingContext threadingContext,
        IServiceProvider serviceProvider,
        Microsoft.CodeAnalysis.Host.LanguageServices languageServices,
        VisualStudioWorkspace workspace,
        ProjectCodeModelFactory projectCodeModelFactory)
    {
        Debug.Assert(threadingContext != null);
        Debug.Assert(serviceProvider != null);
        Debug.Assert(languageServices != null);
        Debug.Assert(workspace != null);
 
        // ⚠ This code runs on the main thread. Language services accessed here should be preloaded in
        // ProjectCodemodelFactory to avoid blocking MEF operations.
        this.ThreadingContext = threadingContext;
        this.ServiceProvider = serviceProvider;
        this.CodeModelService = languageServices.GetService<ICodeModelService>();
        this.SyntaxFactsService = languageServices.GetService<ISyntaxFactsService>();
        this.CodeGenerator = languageServices.GetService<ICodeGenerationService>();
        this.ProjectCodeModelFactory = projectCodeModelFactory;
        this.Workspace = workspace;
    }
}