Example #1
0
        public async Task <EvalResult> RunEvalAsync(string code)
        {
            var sb     = new StringBuilder();
            var textWr = new ConsoleLikeStringWriter(sb);
            var env    = new BasicEnvironment();

            var sw   = Stopwatch.StartNew();
            var eval = CSharpScript.Create(code, Options, typeof(Globals));

            var compilation = eval.GetCompilation().WithAnalyzers(Analyzers);

            var compileResult = await compilation.GetAllDiagnosticsAsync();

            var compileErrors = compileResult.Where(a => a.Severity == DiagnosticSeverity.Error).ToImmutableArray();

            sw.Stop();

            var compileTime = sw.Elapsed;

            if (compileErrors.Length > 0)
            {
                return(EvalResult.CreateErrorResult(code, sb.ToString(), sw.Elapsed, compileErrors));
            }

            var globals = new Globals();

            Globals.Random      = random;
            Globals.Console     = textWr;
            Globals.Environment = env;

            sw.Restart();
            var result = await eval.RunAsync(globals, ex => true);

            sw.Stop();
            var evalResult = new EvalResult(result, sb.ToString(), sw.Elapsed, compileTime);

            //this hack is to test if we're about to send an object that can't be serialized back to the caller.
            //if the object can't be serialized, return a failure instead.
            try
            {
                JsonConvert.SerializeObject(evalResult, jsonSettings);
            }
            catch (Exception ex)
            {
                evalResult = new EvalResult
                {
                    Code           = code,
                    CompileTime    = compileTime,
                    ConsoleOut     = sb.ToString(),
                    ExecutionTime  = sw.Elapsed,
                    ReturnTypeName = result.ReturnValue.GetType().Name,
                    ReturnValue    = $"An exception occurred when serializing the response: {ex.GetType().Name}: {ex.Message}"
                };
            }
            return(evalResult);
        }
Example #2
0
        public async Task <EvalResult> RunEvalAsync(string code)
        {
            var sb = new StringBuilder();

            using var textWr = new ConsoleLikeStringWriter(sb);
            var env = new BasicEnvironment();

            var sw = Stopwatch.StartNew();

            var context = new ScriptExecutionContext(code);

            try
            {
                await _preProcessor.PreProcess(context, s => _logger.LogInformation("{message}", s));
            }
            catch (Exception ex)
            {
                var diagnostics = Diagnostic.Create(new DiagnosticDescriptor("REPL01", ex.Message, ex.Message, "Code", DiagnosticSeverity.Error, true),
                                                    Location.Create("", TextSpan.FromBounds(0, 0), new LinePositionSpan(LinePosition.Zero, LinePosition.Zero)));
                _logger.LogCritical(ex, "{message}", ex.Message);
                return(EvalResult.CreateErrorResult(code, sb.ToString(), sw.Elapsed, new[] { diagnostics }.ToImmutableArray()));
            }
            var eval = CSharpScript.Create(context.Code, context.Options, typeof(Globals));

            var compilation = eval.GetCompilation().WithAnalyzers(Analyzers);

            var compileResult = await compilation.GetAllDiagnosticsAsync();

            var compileErrors = compileResult.Where(a => a.Severity == DiagnosticSeverity.Error).ToImmutableArray();

            sw.Stop();

            var compileTime = sw.Elapsed;

            if (!compileErrors.IsEmpty)
            {
                return(EvalResult.CreateErrorResult(code, sb.ToString(), sw.Elapsed, compileErrors));
            }

            var globals = new Globals();

            Globals.Random      = random;
            Globals.Console     = textWr;
            Globals.Environment = env;

            sw.Restart();
            ScriptState <object> result;

            try
            {
                result = await eval.RunAsync(globals, ex => true);
            }
            catch (CompilationErrorException ex)
            {
                return(EvalResult.CreateErrorResult(code, sb.ToString(), sw.Elapsed, ex.Diagnostics));
            }
            sw.Stop();

            var evalResult = new EvalResult(code, result, sb.ToString(), sw.Elapsed, compileTime)
            {
                Code = code
            };

            //this hack is to test if we're about to send an object that can't be serialized back to the caller.
            //if the object can't be serialized, return a failure instead.
            try
            {
                _ = JsonSerializer.Serialize(evalResult, _serializerOptions);
            }
            catch (Exception ex)
            {
                evalResult = new EvalResult
                {
                    Code          = code,
                    CompileTime   = compileTime,
                    ConsoleOut    = sb.ToString(),
                    ExecutionTime = sw.Elapsed,
                    Exception     = $"An exception occurred when serializing the response: {ex.GetType().Name}: {ex.Message}",
                    ExceptionType = ex.GetType().Name
                };
            }

            return(evalResult);
        }