internal override Task <object> MakeObjectFromCode(string name, string code, IList <Assembly> referencedAssemblies) { var sb = new StringBuilder(); sb.Append("using System; "); sb.Append("using System.Collections.Generic; "); sb.Append("using System.Linq; "); sb.Append("using System.Globalization; "); sb.Append("using System.Text; "); sb.Append("using Ifak.Fast.Mediator.Calc.Adapter_CSharp; "); sb.Append("using Ifak.Fast.Mediator; "); sb.Append(code); CompileResult compileRes = CompileLib.CSharpCode2Assembly(sb.ToString(), referencedAssemblies);; string assemblyFileName = compileRes.AssemblyFileName; Print(compileRes, name); Type typeScriptClass; try { Assembly assembly = Assembly.LoadFrom(assemblyFileName); typeScriptClass = assembly.GetType(className, throwOnError: true, ignoreCase: false) ?? throw new Exception("assembly.GetType returned null"); } catch (Exception e) { Exception exp = e.GetBaseException() ?? e; throw new Exception($"Script {name}: Failed to load {className} type from {assemblyFileName}: {exp.Message}"); } object obj; try { obj = Activator.CreateInstance(typeScriptClass) ?? throw new Exception("Activator.CreateInstance returned null"); } catch (Exception e) { Exception exp = e.GetBaseException() ?? e; throw new Exception($"Script {name}: Failed to create instance of {className} class: {exp.Message}"); } return(Task.FromResult(obj)); }
private async Task <InitResult> DoInit(InitParameter parameter, string code) { var config = new Mediator.Config(parameter.ModuleConfig); string libs = config.GetOptionalString("csharp-libraries", ""); bool cache = config.GetOptionalBool("csharp-cache-scripts", true); string[] assemblies = libs .Split(new char[] { ';', '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries) .Select(s => s.Trim()) .ToArray(); string[] absoluteAssemblies = assemblies.Select(d => Path.GetFullPath(d)).ToArray(); foreach (string assembly in absoluteAssemblies) { if (!File.Exists(assembly)) { throw new Exception($"csharp-library does not exist: {assembly}"); } } absoluteAssemblies = absoluteAssemblies.Select(assembly => { if (assembly.ToLowerInvariant().EndsWith(".cs")) { CompileResult compileRes = CompileLib.CSharpFile2Assembly(assembly); Print(compileRes, assembly); return(compileRes.AssemblyFileName); } return(assembly); }).ToArray(); var referencedAssemblies = new List <Assembly>(); foreach (string assembly in absoluteAssemblies) { try { Assembly ass = Assembly.LoadFrom(assembly); referencedAssemblies.Add(ass); } catch (Exception exp) { throw new Exception($"Failed to load csharp-library {assembly}: {exp.Message}"); } } CodeToObjectBase objMaker; if (cache) { objMaker = new CodeToObjectCompile(); } else { objMaker = new CodeToObjectScripting(); } object obj = await objMaker.MakeObjectFromCode(parameter.Calculation.Name, code, referencedAssemblies); inputs = GetIdentifiableMembers <InputBase>(obj, "", recursive: false).ToArray(); outputs = GetIdentifiableMembers <OutputBase>(obj, "", recursive: false).ToArray(); states = GetIdentifiableMembers <AbstractState>(obj, "", recursive: true).ToArray(); var eventProviders = GetMembers <EventProvider>(obj, recursive: true); foreach (EventProvider provider in eventProviders) { provider.EventSinkRef = this; } Type type = obj.GetType(); MethodInfo[] methods = type.GetMethods(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance) .Where(m => m.Name == "Step" && IsStepSignature(m)) .ToArray(); if (methods.Length == 0) { throw new Exception("No Step(Timestamp t, TimeSpan dt) method found."); } MethodInfo step = methods[0]; stepAction = (Action <Timestamp, Duration>)step.CreateDelegate(typeof(Action <Timestamp, Duration>), obj); foreach (StateValue v in parameter.LastState) { AbstractState state = states.FirstOrDefault(s => s.ID == v.StateID); if (state != null) { state.SetValueFromDataValue(v.Value); } } return(new InitResult() { Inputs = inputs.Select(MakeInputDef).ToArray(), Outputs = outputs.Select(MakeOutputDef).ToArray(), States = states.Select(MakeStateDef).ToArray(), ExternalStatePersistence = true }); }