public async Task <object> Eval(string code, NScriptOptions scriptOptions)
        {
            var originalReferences = new[]
            {
                typeof(object).Assembly,
                typeof(Enumerable).Assembly,
                typeof(IDumper).Assembly,
                Assembly.Load("netstandard"),
                Assembly.Load("System.Runtime"),
            };
            // https://github.com/dotnet/roslyn/issues/34111
            var defaultReferences =
                originalReferences
                .SelectMany(ass => ass.GetReferencedAssemblies())
                .Distinct()
                .Select(Assembly.Load)
                .Union(originalReferences)
                .Select(assembly => assembly.Location)
                .Distinct()
                .Select(l => MetadataReference.CreateFromFile(l))
                .Cast <MetadataReference>()
                .ToArray();

            scriptOptions.UsingList.Add("NatashaPad");
            var options = ScriptOptions.Default
                          .WithLanguageVersion(LanguageVersion.Latest)
                          .AddReferences(defaultReferences)
                          .WithImports(scriptOptions.UsingList)
            ;

            if (scriptOptions.ReferenceResolvers.Count > 0)
            {
                var references = await scriptOptions.ReferenceResolvers
                                 .Select(r => r.Resolve())
                                 .WhenAll()
                                 .ContinueWith(r => r.Result.SelectMany(_ => _))
                ;

                options = options.AddReferences(references);
            }

            return(await CSharpScript.EvaluateAsync(code, options));
        }
Exemple #2
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        public async Task <object> Eval(string code, NScriptOptions scriptOptions)
        {
            // https://github.com/dotnet/roslyn/issues/34111
            var defaultReferences =
                new[]
            {
                typeof(object).Assembly,
                typeof(Enumerable).Assembly,
                typeof(IDumper).Assembly,
                Assembly.Load("netstandard"),
                Assembly.Load("System.Runtime"),
            }
            .Select(assembly => assembly.Location)
            .Distinct()
            .Select(l => MetadataReference.CreateFromFile(l))
            .Cast <MetadataReference>()
            .ToArray();

            var options = ScriptOptions.Default
                          .WithLanguageVersion(LanguageVersion.Latest)
                          .AddReferences(defaultReferences)
                          .WithImports(scriptOptions.UsingList)
            ;

            var referenceResolvers = scriptOptions.ReferenceResolvers
                                     ?? Array.Empty <IReferenceResolver>();

            if (referenceResolvers.Length > 0)
            {
                var references = await referenceResolvers.Select(r => r.Resolve()).WhenAll();

                options = options.WithReferences(references);
            }

            return(await CSharpScript.EvaluateAsync(code, options));
        }
Exemple #3
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        public async Task Execute(string code, NScriptOptions scriptOptions)
        {
            if (code.Contains("static void Main(") || code.Contains("static async Task Main("))
            {
                // Program
            }
            else
            {
                // Statement
                if (code.Contains("await "))
                {
                    //async
                    code = $@"public static async Task MainAsync()
  {{
    {code}
  }}";
                }
                else
                {
                    // sync
                    code = $@"public static void Main(string[] args)
  {{
    {code}
  }}";
                }
            }

            if (!code.Contains("static void Main(") && code.Contains("static async Task Main("))
            {
                if (code.Contains("static async Task Main()"))
                {
                    code = $@"{code}
public static void Main() => MainAsync().Wait();
";
                }
                else
                {
                    code = $@"{code}
public static void Main() => MainAsync(null).Wait();
";
                }
            }

            if (!code.Contains("class Program"))
            {
                code = $@"public class Program
{{
  {code}
}}";
            }

            scriptOptions.UsingList.Add("NatashaPad");

            code = $"{scriptOptions.UsingList.Select(ns => $"using {ns};").StringJoin(Environment.NewLine)}{Environment.NewLine}{code}";

            using var domain = DomainManagement.Random;
            var assBuilder = new AssemblyCSharpBuilder();

            assBuilder.Add(code, scriptOptions.UsingList);

            // add reference
            if (scriptOptions.ReferenceResolvers != null && scriptOptions.ReferenceResolvers.Count > 0)
            {
                var references = await scriptOptions.ReferenceResolvers
                                 .Select(r => r.Resolve())
                                 .WhenAll()
                                 .ContinueWith(r => r.Result.SelectMany(_ => _).ToArray());

                // add reference
                foreach (var reference in references)
                {
                    // TODO: handle none filePath reference
                    if (!string.IsNullOrEmpty(reference?.FilePath))
                    {
                        domain.LoadPluginFromStream(reference.FilePath);
                    }
                }
            }
            assBuilder.Compiler.Domain             = domain;
            assBuilder.Compiler.AssemblyOutputKind = AssemblyBuildKind.File;

            var assembly = assBuilder.GetAssembly();

            using (var capture = await ConsoleOutput.Capture())
            {
                var entryPoint = assembly.GetType("Program")?.GetMethod("Main", BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
                if (null != entryPoint)
                {
                    entryPoint.Invoke(null, entryPoint.GetParameters().Select(p => p.ParameterType.GetDefaultValue()).ToArray());
                }
                else
                {
                    throw new ArgumentException("can not find entry point");
                }
                if (!string.IsNullOrEmpty(capture.StandardOutput))
                {
                    DumpOutHelper.OutputAction?.Invoke(capture.StandardOutput);
                }
            }

            //using (var executor = new DotNetExecutor(assembly.Location, _outputHelper))
            //{
            //    await executor.ExecuteAsync();
            //}
        }
Exemple #4
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        public async Task Execute(string code, NScriptOptions scriptOptions)
        {
            if (code.Contains("static void Main(") || code.Contains("static async Task Main("))
            {
                // Program
            }
            else
            {
                // Statement
                if (code.Contains("await "))
                {
                    //async
                    code = $@"public static async Task MainAsync()
  {{
    {code}
  }}";
                }
                else
                {
                    // sync
                    code = $@"public static void Main(string[] args)
  {{
    {code}
  }}";
                }
            }

            if (!code.Contains("static void Main(") && code.Contains("static async Task Main("))
            {
                if (code.Contains("static async Task Main()"))
                {
                    code = $@"{code}
public static void Main() => MainAsync().Wait();
";
                }
                else
                {
                    code = $@"{code}
public static void Main() => MainAsync(null).Wait();
";
                }
            }

            if (!code.Contains("class Program"))
            {
                code = $@"public class Program
{{
  {code}
}}";
            }

            if (scriptOptions.UsingList.Count > 0)
            {
                code = $"{scriptOptions.UsingList.Select(ns => $"using {ns};").StringJoin(Environment.NewLine)}{Environment.NewLine}{code}";
            }

            DomainManagement.RegisterDefault <AssemblyDomain>();
            var assBuilder = new AssemblyCSharpBuilder(GuidIdGenerator.Instance.NewId());

            assBuilder.Add(code, scriptOptions.UsingList);

            // TODO: add references

            assBuilder.CompilerOption(compiler =>
            {
                compiler.AssemblyOutputKind = AssemblyBuildKind.File;
            });

            var assembly        = assBuilder.GetAssembly();
            var targetFramework = assembly.GetCustomAttribute <TargetFrameworkAttribute>();

            var entryPoint = assembly.GetType("Program")?.GetMethod("Main", BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);

            if (null != entryPoint)
            {
                entryPoint.Invoke(null, entryPoint.GetParameters().Select(p => p.ParameterType.GetDefaultValue()).ToArray());
            }
            else
            {
                throw new ArgumentException("can not find entry point");
            }

            //using (var executor = new DotNetExecutor(assembly.Location, _outputHelper))
            //{
            //    await executor.ExecuteAsync();
            //}
        }