public Engine(Action <Options> options) { _executionContexts = new ExecutionContextStack(); Global = GlobalObject.CreateGlobalObject(this); Object = ObjectConstructor.CreateObjectConstructor(this); Function = FunctionConstructor.CreateFunctionConstructor(this); Symbol = SymbolConstructor.CreateSymbolConstructor(this); Array = ArrayConstructor.CreateArrayConstructor(this); Map = MapConstructor.CreateMapConstructor(this); Set = SetConstructor.CreateSetConstructor(this); Iterator = IteratorConstructor.CreateIteratorConstructor(this); String = StringConstructor.CreateStringConstructor(this); RegExp = RegExpConstructor.CreateRegExpConstructor(this); Number = NumberConstructor.CreateNumberConstructor(this); Boolean = BooleanConstructor.CreateBooleanConstructor(this); // Date = DateConstructor.CreateDateConstructor(this); Math = MathInstance.CreateMathObject(this); Json = JsonInstance.CreateJsonObject(this); Error = ErrorConstructor.CreateErrorConstructor(this, "Error"); EvalError = ErrorConstructor.CreateErrorConstructor(this, "EvalError"); RangeError = ErrorConstructor.CreateErrorConstructor(this, "RangeError"); ReferenceError = ErrorConstructor.CreateErrorConstructor(this, "ReferenceError"); SyntaxError = ErrorConstructor.CreateErrorConstructor(this, "SyntaxError"); TypeError = ErrorConstructor.CreateErrorConstructor(this, "TypeError"); UriError = ErrorConstructor.CreateErrorConstructor(this, "URIError"); GlobalSymbolRegistry = new GlobalSymbolRegistry(); // Because the properties might need some of the built-in object // their configuration is delayed to a later step Global.Configure(); Object.Configure(); Object.PrototypeObject.Configure(); Symbol.Configure(); Symbol.PrototypeObject.Configure(); Function.Configure(); Function.PrototypeObject.Configure(); Array.Configure(); Array.PrototypeObject.Configure(); Map.Configure(); Map.PrototypeObject.Configure(); Set.Configure(); Set.PrototypeObject.Configure(); Iterator.Configure(); Iterator.PrototypeObject.Configure(); String.Configure(); String.PrototypeObject.Configure(); RegExp.Configure(); RegExp.PrototypeObject.Configure(); Number.Configure(); Number.PrototypeObject.Configure(); Boolean.Configure(); Boolean.PrototypeObject.Configure(); // Date.Configure(); // Date.PrototypeObject.Configure(); Math.Configure(); Json.Configure(); Error.Configure(); Error.PrototypeObject.Configure(); // create the global environment http://www.ecma-international.org/ecma-262/5.1/#sec-10.2.3 GlobalEnvironment = LexicalEnvironment.NewObjectEnvironment(this, Global, null, false); // create the global execution context http://www.ecma-international.org/ecma-262/5.1/#sec-10.4.1.1 EnterExecutionContext(GlobalEnvironment, GlobalEnvironment, Global); Options = new Options(); options?.Invoke(Options); // gather some options as fields for faster checks _isDebugMode = Options.IsDebugMode; if (_isDebugMode) { MyAPIGateway.Utilities.ShowMessage("SpaceJS", "Debug mode enabled."); } _isStrict = Options.IsStrict; _maxStatements = Options._MaxStatements; _referenceResolver = Options.ReferenceResolver; _memoryLimit = Options._MemoryLimit; _runBeforeStatementChecks = (_maxStatements > 0 && _maxStatements < int.MaxValue) || Options._TimeoutInterval.Ticks > 0 || _memoryLimit > 0 || _isDebugMode; _referencePool = new ReferencePool(); _argumentsInstancePool = new ArgumentsInstancePool(this); _jsValueArrayPool = new JsValueArrayPool(); Eval = new EvalFunctionInstance(this, System.ArrayExt.Empty <string>(), LexicalEnvironment.NewDeclarativeEnvironment(this, ExecutionContext.LexicalEnvironment), StrictModeScope.IsStrictModeCode); Global.FastAddProperty("eval", Eval, true, false, true); _statements = new StatementInterpreter(this); _expressions = new ExpressionInterpreter(this); /* if (Options._IsClrAllowed) * { * Global.FastAddProperty("System", new NamespaceReference(this, "System"), false, false, false); * Global.FastAddProperty("importNamespace", new ClrFunctionInstance( * this, * "importNamespace", * (thisObj, arguments) => new NamespaceReference(this, TypeConverter.ToString(arguments.At(0)))), false, false, false); * } */ // ClrTypeConverter = new DefaultTypeConverter(this); }
/// <summary> /// Constructs a new engine instance and allows customizing options. /// </summary> /// <remarks>The provided engine instance in callback is not guaranteed to be fully configured</remarks> public Engine(Action <Engine, Options> options) { _executionContexts = new ExecutionContextStack(2); Global = GlobalObject.CreateGlobalObject(this); Object = ObjectConstructor.CreateObjectConstructor(this); Function = FunctionConstructor.CreateFunctionConstructor(this); _callerCalleeArgumentsThrowerConfigurable = new GetSetPropertyDescriptor.ThrowerPropertyDescriptor(this, PropertyFlag.Configurable | PropertyFlag.CustomJsValue, "'caller', 'callee', and 'arguments' properties may not be accessed on strict mode functions or the arguments objects for calls to them"); _callerCalleeArgumentsThrowerNonConfigurable = new GetSetPropertyDescriptor.ThrowerPropertyDescriptor(this, PropertyFlag.CustomJsValue, "'caller', 'callee', and 'arguments' properties may not be accessed on strict mode functions or the arguments objects for calls to them"); Symbol = SymbolConstructor.CreateSymbolConstructor(this); Array = ArrayConstructor.CreateArrayConstructor(this); Map = MapConstructor.CreateMapConstructor(this); Set = SetConstructor.CreateSetConstructor(this); Iterator = IteratorConstructor.CreateIteratorConstructor(this); String = StringConstructor.CreateStringConstructor(this); RegExp = RegExpConstructor.CreateRegExpConstructor(this); Number = NumberConstructor.CreateNumberConstructor(this); Boolean = BooleanConstructor.CreateBooleanConstructor(this); Date = DateConstructor.CreateDateConstructor(this); Math = MathInstance.CreateMathObject(this); Json = JsonInstance.CreateJsonObject(this); Proxy = ProxyConstructor.CreateProxyConstructor(this); Reflect = ReflectInstance.CreateReflectObject(this); GlobalSymbolRegistry = new GlobalSymbolRegistry(); // Because the properties might need some of the built-in object // their configuration is delayed to a later step // trigger initialization Global.GetProperty(JsString.Empty); // this is implementation dependent, and only to pass some unit tests Global._prototype = Object.PrototypeObject; Object._prototype = Function.PrototypeObject; // create the global environment http://www.ecma-international.org/ecma-262/5.1/#sec-10.2.3 GlobalEnvironment = LexicalEnvironment.NewGlobalEnvironment(this, Global); // create the global execution context http://www.ecma-international.org/ecma-262/5.1/#sec-10.4.1.1 EnterExecutionContext(GlobalEnvironment, GlobalEnvironment); Eval = new EvalFunctionInstance(this); Global.SetProperty(CommonProperties.Eval, new PropertyDescriptor(Eval, PropertyFlag.Configurable | PropertyFlag.Writable)); Options = new Options(); options?.Invoke(this, Options); // gather some options as fields for faster checks _isDebugMode = Options.IsDebugMode; _isStrict = Options.IsStrict; _constraints = Options._Constraints; _referenceResolver = Options.ReferenceResolver; _referencePool = new ReferencePool(); _argumentsInstancePool = new ArgumentsInstancePool(this); _jsValueArrayPool = new JsValueArrayPool(); if (Options._IsClrAllowed) { Global.SetProperty("System", new PropertyDescriptor(new NamespaceReference(this, "System"), PropertyFlag.AllForbidden)); Global.SetProperty("importNamespace", new PropertyDescriptor(new ClrFunctionInstance( this, "importNamespace", (thisObj, arguments) => new NamespaceReference(this, TypeConverter.ToString(arguments.At(0)))), PropertyFlag.AllForbidden)); } ClrTypeConverter = new DefaultTypeConverter(this); }