SzmediTools/Szmedi.RvKits/RvScript/RevitRoslynHost.cs

using System.Collections.Immutable;
using System.Reflection;

using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp;

using RoslynPad.Roslyn;

namespace Szmedi.RvKits.RvScript
{
    public class RevitRoslynHost : RoslynHost
    {
        public RevitRoslynHost(IEnumerable<Assembly> additionalAssemblies = null, RoslynHostReferences references = null, ImmutableArray<string>? disabledDiagnostics = null) : base(additionalAssemblies, references, disabledDiagnostics)
        {
        }

        protected override Project CreateProject(Solution solution, DocumentCreationArgs args, CompilationOptions compilationOptions, Project previousProject = null)
        {
            var name = args.Name ?? "Program";
            var id = ProjectId.CreateNewId(name);

            var parseOptions = new CSharpParseOptions(kind: SourceCodeKind.Script, languageVersion: LanguageVersion.Default);

            compilationOptions = compilationOptions.WithScriptClassName(name);

            solution = solution.AddProject(ProjectInfo.Create(
                id,
                VersionStamp.Create(),
                name,
                name,
                LanguageNames.CSharp,
                isSubmission: true,
                parseOptions: parseOptions,
                hostObjectType: typeof(ScriptGlobals),
                compilationOptions: compilationOptions,
                metadataReferences: previousProject != null ? ImmutableArray<MetadataReference>.Empty : DefaultReferences,
                projectReferences: previousProject != null ? new[] { new ProjectReference(previousProject.Id) } : null));

            var project = solution.GetProject(id);

            return project;
        }
    }
}