public JsFunction New(Delegate d)
{
JsFunction constructor = (JsFunction) new ClrFunction(d, this.PrototypeProperty);
constructor.PrototypeProperty = this.Global.ObjectClass.New(constructor);
return(constructor);
}
public JsArguments(IGlobal global, JsFunction callee, JsInstance[] arguments)
: base(global.ObjectClass.New())
{
this.global = global;
// Add the named parameters
for (int i = 0; i < Math.Max(arguments.Length, callee.Arguments.Count); i++)
{
ValueDescriptor d = new ValueDescriptor(this, i < callee.Arguments.Count ? callee.Arguments[i] : i.ToString())
{
Attributes = PropertyAttributes.DontDelete
};
d.Set(this, i < arguments.Length ? arguments[i] : JsUndefined.Instance);
this.DefineOwnProperty(i.ToString(), d);
}
length = arguments.Length;
calleeDescriptor = new ValueDescriptor(this, CALLEE)
{
Attributes = PropertyAttributes.DontEnum
};
DefineOwnProperty(CALLEE, calleeDescriptor);
calleeDescriptor.Set(this, callee);
DefineOwnProperty("length", new PropertyDescriptor <JsArguments>(global, this, "length", GetLength)
{
Attributes = PropertyAttributes.DontEnum
});
}
public JsArguments(IGlobal global, JsFunction callee, JsInstance[] arguments)
: base()
{
this.args = arguments;
this.global = global;
Prototype = global.ObjectClass.New();
// Add the named parameters
for (int i = 0; i < Math.Max(arguments.Length, callee.Arguments.Count); i++)
{
ValueDescriptor d = new ValueDescriptor(this, i < callee.Arguments.Count ? callee.Arguments[i] : i.ToString());
d.Set(this, i < arguments.Length ? arguments[i] : JsUndefined.Instance);
if (i < callee.Arguments.Count)
{
this.DefineOwnProperty(callee.Arguments[i], d);
}
this.DefineOwnProperty(i.ToString(), d);
}
length = arguments.Length;
calleeDescriptor = new ValueDescriptor(this, "callee");
DefineOwnProperty("callee", calleeDescriptor);
calleeDescriptor.Set(this, callee);
DefineOwnProperty("length", new PropertyDescriptor <JsArguments>(global, this, "length", GetLength));
DefineOwnProperty("array", new PropertyDescriptor <JsArguments>(global, this, "array", GetArray));
}
public JsFunction New()
{
JsFunction constructor = new JsFunction(this.PrototypeProperty);
constructor.PrototypeProperty = this.Global.ObjectClass.New(constructor);
return(constructor);
}
public JsFunction New <T>(Func <T, JsInstance[], JsInstance> impl, int length) where T : JsInstance
{
JsFunction constructor = (JsFunction) new ClrImplDefinition <T>(impl, length, this.PrototypeProperty);
constructor.PrototypeProperty = this.Global.ObjectClass.New(constructor);
return(constructor);
}
public JsArguments(IGlobal global, JsFunction callee, JsInstance[] arguments)
: base()
{
this.args = arguments;
this.global = global;
Prototype = global.ObjectClass.New();
// Add the named parameters
for (int i = 0; i < Math.Max(arguments.Length, callee.Arguments.Count); i++)
{
ValueDescriptor d = new ValueDescriptor(this, i < callee.Arguments.Count ? callee.Arguments[i] : i.ToString());
d.Set(this, i < arguments.Length ? arguments[i] : JsUndefined.Instance);
if (i < callee.Arguments.Count)
this.DefineOwnProperty(callee.Arguments[i], d);
this.DefineOwnProperty(i.ToString(), d);
}
length = arguments.Length;
calleeDescriptor = new ValueDescriptor(this, "callee");
DefineOwnProperty("callee", calleeDescriptor);
calleeDescriptor.Set(this, callee);
DefineOwnProperty("length", new PropertyDescriptor<JsArguments>(global, this, "length", GetLength));
DefineOwnProperty("array", new PropertyDescriptor<JsArguments>(global, this, "array", GetArray));
}
public override JsInstance Execute(
IJintVisitor visitor,
JsDictionaryObject that,
JsInstance[] parameters)
{
JsFunction function = that as JsFunction;
if (function == null)
{
throw new ArgumentException("the target of call() must be a function");
}
JsDictionaryObject _this = parameters.Length < 1 || parameters[0] == JsUndefined.Instance || parameters[0] == JsNull.Instance ? visitor.Global as JsDictionaryObject : parameters[0] as JsDictionaryObject;
JsInstance[] _parameters;
if (parameters.Length >= 2 && parameters[1] != JsNull.Instance)
{
_parameters = new JsInstance[parameters.Length - 1];
for (int index = 1; index < parameters.Length; ++index)
{
_parameters[index - 1] = parameters[index];
}
}
else
{
_parameters = JsInstance.EMPTY;
}
visitor.ExecuteFunction(function, _this, _parameters);
return(visitor.Result);
}
public override JsObject Construct(JsInstance[] parameters, Type[] genericArgs, IJintVisitor visitor)
{
JsFunction instance = New();
instance.Arguments = new List <string>();
for (int i = 0; i < parameters.Length - 1; i++)
{
string arg = parameters[i].ToString();
foreach (string a in arg.Split(','))
{
instance.Arguments.Add(a.Trim());
}
}
if (parameters.Length >= 1)
{
Program p = JintEngine.Compile(parameters[parameters.Length - 1].Value.ToString(), visitor.DebugMode);
instance.Statement = new BlockStatement()
{
Statements = p.Statements
};
}
return(instance);
}
public JsFunction New()
{
JsFunction function = new JsFunction(PrototypeProperty);
function.PrototypeProperty = Global.ObjectClass.New(function);
return(function);
}
public override JsInstance Execute(
IJintVisitor visitor,
JsDictionaryObject that,
JsInstance[] parameters)
{
JsFunction function = that as JsFunction;
if (function == null)
{
throw new ArgumentException("the target of call() must be a function");
}
JsDictionaryObject _this = parameters.Length < 1 || parameters[0] == JsUndefined.Instance || parameters[0] == JsNull.Instance ? visitor.Global as JsDictionaryObject : parameters[0] as JsDictionaryObject;
JsInstance[] _parameters;
if (parameters.Length >= 2 && parameters[1] != JsNull.Instance)
{
JsObject parameter = parameters[1] as JsObject;
if (parameter == null)
{
throw new JsException((JsInstance)visitor.Global.TypeErrorClass.New("second argument must be an array"));
}
_parameters = new JsInstance[parameter.Length];
for (int index = 0; index < parameter.Length; ++index)
{
_parameters[index] = parameter[index.ToString()];
}
}
else
{
_parameters = JsInstance.EMPTY;
}
visitor.ExecuteFunction(function, _this, _parameters);
return(visitor.Result);
}
public JsArguments(IGlobal global, JsFunction callee, JsInstance[] arguments)
: base(global.ObjectClass.New())
{
this.global = global;
// Add the named parameters
for (int i = 0; i < arguments.Length; i++)
{
this.DefineOwnProperty(
new ValueDescriptor(this, i.ToString(), arguments[i])
{
Enumerable = false
}
);
}
length = arguments.Length;
calleeDescriptor = new ValueDescriptor(this, CALLEE, callee)
{
Enumerable = false
};
DefineOwnProperty(calleeDescriptor);
DefineOwnProperty(new PropertyDescriptor <JsArguments>(global, this, "length", GetLength)
{
Enumerable = false
});
}
public JsInstance ToStringImpl(JsArray target, JsInstance[] parameters)
{
JsArray jsArray = this.Global.ArrayClass.New();
for (int index = 0; index < target.Length; ++index)
{
JsDictionaryObject _this = (JsDictionaryObject)target[index.ToString()];
if (ExecutionVisitor.IsNullOrUndefined((JsInstance)_this))
{
jsArray[index.ToString()] = (JsInstance)this.Global.StringClass.New();
}
else
{
JsFunction function = _this["toString"] as JsFunction;
if (function != null)
{
this.Global.Visitor.ExecuteFunction(function, _this, parameters);
jsArray[index.ToString()] = this.Global.Visitor.Returned;
}
else
{
jsArray[index.ToString()] = (JsInstance)this.Global.StringClass.New();
}
}
}
return((JsInstance)this.Global.StringClass.New(jsArray.ToString()));
}
public override JsObject Construct(
JsInstance[] parameters,
Type[] genericArgs,
IJintVisitor visitor)
{
JsFunction jsFunction = this.New();
jsFunction.Arguments = new List <string>();
for (int index = 0; index < parameters.Length - 1; ++index)
{
string str1 = parameters[index].ToString();
char[] chArray = new char[1] {
','
};
foreach (string str2 in str1.Split(chArray))
{
jsFunction.Arguments.Add(str2.Trim());
}
}
if (parameters.Length >= 1)
{
Program program = JintEngine.Compile(parameters[parameters.Length - 1].Value.ToString(), visitor.DebugMode);
jsFunction.Statement = (Statement) new BlockStatement()
{
Statements = program.Statements
};
}
return((JsObject)jsFunction);
}
public JsFunction New()
{
JsFunction function = new JsFunction();
function.Prototype = Global.ObjectClass.New(function);
function.Scope.Prototype = Prototype;
return(function);
}
public void DefineProperty(int index, JsFunction @delegate, int argumentCount, PropertyAttributes attributes)
{
EnsurePropertyStore();
PropertyStore.DefineProperty(
index,
Global.CreateFunction(Global.GetIdentifier(index), @delegate, argumentCount),
attributes
);
}
public JsDelegate(string name, JsFunction @delegate, int argumentCount)
{
if (@delegate == null)
throw new ArgumentNullException("delegate");
Name = name;
Delegate = @delegate;
ArgumentCount = argumentCount;
}
/// <summary>
/// Creates new JsObject, sets a [[Prototype]] to the Prototype parameter and a 'constructor' property to the specified function.
/// </summary>
/// <param name="constructor">JsFunction which is used as a constructor</param>
/// <param name="Prototype">JsObjetc which is used as a prototype</param>
/// <returns>new object</returns>
public JsObject New(JsFunction constructor, JsObject Prototype)
{
JsObject obj = new JsObject(Prototype);
obj.DefineOwnProperty(new ValueDescriptor(obj, CONSTRUCTOR, constructor)
{
Enumerable = false
});
return(obj);
}
public JsObject New(JsFunction constructor, JsObject Prototype)
{
JsObject jsObject1 = new JsObject(Prototype);
JsObject jsObject2 = jsObject1;
ValueDescriptor valueDescriptor = new ValueDescriptor((JsDictionaryObject)jsObject1, JsFunction.CONSTRUCTOR, (JsInstance)constructor);
valueDescriptor.Enumerable = false;
jsObject2.DefineOwnProperty((Descriptor)valueDescriptor);
return(jsObject1);
}
/// <summary>
/// Converts a JsInstance object to its CLR equivalence
/// </summary>
/// <param name="parameter">The object to convert</param>
/// <returns>A CLR object</returns>
public static object ConvertParameter(JsInstance parameter)
{
if (parameter.Class != JsFunction.TYPEOF && parameter.Class != JsArray.TYPEOF)
{
return(parameter.Value);
}
else if (parameter == JsNull.Instance)
{
return(null);
}
else
{
if (parameter.IsClr)
{
return(parameter.Value);
}
JsFunction constructor = ((JsDictionaryObject)parameter)["constructor"] as JsFunction;
if (constructor == null)
{
return(parameter);
}
switch (constructor.Name)
{
case "Date":
return(JsDateConstructor.CreateDateTime(parameter.ToNumber()));
case "String":
case "RegExp":
case "Number":
return(parameter.Value);
case "Array":
case "Object":
if (parameter.Class == JsFunction.TYPEOF)
{
return(parameter);
}
object[] array = new object[((JsObject)parameter).Length];
foreach (KeyValuePair <string, JsInstance> key in (JsObject)parameter)
{
int index;
if (int.TryParse(key.Key, out index))
{
array[index] = ConvertParameters(key.Value)[0];
}
}
return(new System.Collections.ArrayList(array));
default:
return(parameter);
}
}
}
public void DefineAccessor(int index, JsFunction getter, JsFunction setter, PropertyAttributes attributes)
{
var getterObject =
getter != null
? Global.CreateFunction(null, getter, 0)
: null;
var setterObject =
setter != null
? Global.CreateFunction(null, setter, 1)
: null;
DefineAccessor(index, getterObject, setterObject, attributes);
}
public JsObject CreateNakedFunction(string name, JsFunction @delegate, int argumentCount, JsObject prototype, bool isClr)
{
// Prototype is set to the created object from the CreateFunction
// above; prototype here is "Result(9)"
// 11. Set the prototype property of F to Result(9). This property is given attributes as specified in section 15.3.5.2.
var result = CreateObject(null, prototype, new JsDelegate(name, @delegate, argumentCount));
result.SetClass(JsNames.ClassFunction);
result.IsClr = isClr;
return result;
}
/// <summary>
/// 15.4.4.11
/// </summary>
/// <param name="target"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public JsInstance Sort(JsObject target, JsInstance[] parameters)
{
if (target.Length <= 1)
{
return(target);
}
JsFunction compare = null;
// Compare function defined
if (parameters.Length > 0)
{
compare = parameters[0] as JsFunction;
}
var values = new List <JsInstance>();
var length = (int)target["length"].ToNumber();
for (int i = 0; i < length; i++)
{
values.Add(target[i.ToString()]);
}
if (compare != null)
{
try
{
values.Sort(new JsComparer(Global.Visitor, compare));
}
catch (Exception e)
{
if (e.InnerException is JsException)
{
throw e.InnerException;
}
throw;
}
}
else
{
values.Sort();
}
for (int i = 0; i < length; i++)
{
target[i.ToString()] = values[i];
}
return(target);
}
public JsGlobal(ExecutionVisitor visitor, Options options)
: base((JsObject)JsNull.Instance)
{
this.Options = options;
this.Visitor = (IJintVisitor)visitor;
this["null"] = (JsInstance)JsNull.Instance;
JsObject jsObject = new JsObject((JsObject)JsNull.Instance);
JsFunction jsFunction = (JsFunction) new JsFunctionWrapper((Func <JsInstance[], JsInstance>)(arguments => (JsInstance)JsUndefined.Instance), jsObject);
this["Function"] = (JsInstance)(this.FunctionClass = new JsFunctionConstructor((IGlobal)this, (JsObject)jsFunction));
this["Object"] = (JsInstance)(this.ObjectClass = new JsObjectConstructor((IGlobal)this, (JsObject)jsFunction, jsObject));
this.ObjectClass.InitPrototype((IGlobal)this);
this["Array"] = (JsInstance)(this.ArrayClass = new JsArrayConstructor((IGlobal)this));
this["Boolean"] = (JsInstance)(this.BooleanClass = new JsBooleanConstructor((IGlobal)this));
this["Date"] = (JsInstance)(this.DateClass = new JsDateConstructor((IGlobal)this));
this["Error"] = (JsInstance)(this.ErrorClass = new JsErrorConstructor((IGlobal)this, "Error"));
this["EvalError"] = (JsInstance)(this.EvalErrorClass = new JsErrorConstructor((IGlobal)this, "EvalError"));
this["RangeError"] = (JsInstance)(this.RangeErrorClass = new JsErrorConstructor((IGlobal)this, "RangeError"));
this["ReferenceError"] = (JsInstance)(this.ReferenceErrorClass = new JsErrorConstructor((IGlobal)this, "ReferenceError"));
this["SyntaxError"] = (JsInstance)(this.SyntaxErrorClass = new JsErrorConstructor((IGlobal)this, "SyntaxError"));
this["TypeError"] = (JsInstance)(this.TypeErrorClass = new JsErrorConstructor((IGlobal)this, "TypeError"));
this["URIError"] = (JsInstance)(this.URIErrorClass = new JsErrorConstructor((IGlobal)this, "URIError"));
this["Number"] = (JsInstance)(this.NumberClass = new JsNumberConstructor((IGlobal)this));
this["RegExp"] = (JsInstance)(this.RegExpClass = new JsRegExpConstructor((IGlobal)this));
this["String"] = (JsInstance)(this.StringClass = new JsStringConstructor((IGlobal)this));
this["Math"] = (JsInstance)(this.MathClass = new JsMathConstructor((IGlobal)this));
foreach (JsInstance jsInstance in this.GetValues())
{
if (jsInstance is JsConstructor)
{
((JsConstructor)jsInstance).InitPrototype((IGlobal)this);
}
}
this[nameof(NaN)] = this.NumberClass[nameof(NaN)];
this["Infinity"] = this.NumberClass["POSITIVE_INFINITY"];
this["undefined"] = (JsInstance)JsUndefined.Instance;
this[JsScope.THIS] = (JsInstance)this;
this["eval"] = (JsInstance) new JsFunctionWrapper(new Func <JsInstance[], JsInstance>(this.Eval), this.FunctionClass.PrototypeProperty);
this["parseInt"] = (JsInstance) new JsFunctionWrapper(new Func <JsInstance[], JsInstance>(this.ParseInt), this.FunctionClass.PrototypeProperty);
this["parseFloat"] = (JsInstance) new JsFunctionWrapper(new Func <JsInstance[], JsInstance>(this.ParseFloat), this.FunctionClass.PrototypeProperty);
this["isNaN"] = (JsInstance) new JsFunctionWrapper(new Func <JsInstance[], JsInstance>(this.IsNaN), this.FunctionClass.PrototypeProperty);
this["isFinite"] = (JsInstance) new JsFunctionWrapper(new Func <JsInstance[], JsInstance>(this.isFinite), this.FunctionClass.PrototypeProperty);
this["decodeURI"] = (JsInstance) new JsFunctionWrapper(new Func <JsInstance[], JsInstance>(this.DecodeURI), this.FunctionClass.PrototypeProperty);
this["encodeURI"] = (JsInstance) new JsFunctionWrapper(new Func <JsInstance[], JsInstance>(this.EncodeURI), this.FunctionClass.PrototypeProperty);
this["decodeURIComponent"] = (JsInstance) new JsFunctionWrapper(new Func <JsInstance[], JsInstance>(this.DecodeURIComponent), this.FunctionClass.PrototypeProperty);
this["encodeURIComponent"] = (JsInstance) new JsFunctionWrapper(new Func <JsInstance[], JsInstance>(this.EncodeURIComponent), this.FunctionClass.PrototypeProperty);
this.Marshaller = new Marshaller((IGlobal)this);
this.Marshaller.InitTypes();
}
public JsObject CreateFunction(string name, JsFunction @delegate, int argumentCount)
{
// The CreateObject here is because of 13.2; this is "Result(9)":
// 9. Create a new object as would be constructed by the expression new Object().
var prototype = CreateObject(FunctionClass.Prototype);
var result = CreateNakedFunction(name, @delegate, argumentCount, prototype, false);
// Constructor on the prototype links back to the result of CreateFunction:
// 10. Set the constructor property of Result(9) to F. This property is given attributes { DontEnum }.
prototype.DefineProperty(Id.constructor, result, PropertyAttributes.DontEnum);
return result;
}
public JsFunctionDelegate(IJintVisitor visitor, JsFunction function, JsDictionaryObject that,Type delegateType)
{
if (visitor == null)
throw new ArgumentNullException("visitor");
if (function == null)
throw new ArgumentNullException("function");
if (delegateType == null)
throw new ArgumentNullException("delegateType");
if (!typeof(Delegate).IsAssignableFrom(delegateType))
throw new ArgumentException("A delegate type is required", "delegateType");
m_visitor = visitor;
m_function = function;
m_delegateType = delegateType;
m_that = that;
m_marshaller = visitor.Global.Marshaller;
}
public override JsInstance Execute(IJintVisitor visitor, JsDictionaryObject that, JsInstance[] parameters)
{
JsFunction function = that as JsFunction;
if (function == null)
{
throw new ArgumentException("the target of call() must be a function");
}
JsDictionaryObject _this;
JsInstance[] _parameters;
if (parameters.Length >= 1 && parameters[0] != JsUndefined.Instance && parameters[0] != JsNull.Instance)
{
_this = parameters[0] as JsDictionaryObject;
}
else
{
_this = visitor.Global as JsDictionaryObject;
}
if (parameters.Length >= 2 && parameters[1] != JsNull.Instance)
{
JsObject arguments = parameters[1] as JsObject;
if (arguments == null)
{
throw new JsException(visitor.Global.TypeErrorClass.New("second argument must be an array"));
}
_parameters = new JsInstance[arguments.Length];
for (int i = 0; i < arguments.Length; i++)
{
_parameters[i] = arguments[i.ToString()];
}
}
else
{
_parameters = JsInstance.EMPTY;
}
// Executes the statements in 'that' and use _this as the target of the call
visitor.ExecuteFunction(function, _this, _parameters);
return(visitor.Result);
//visitor.CallFunction(function, _this, _parameters);
//return visitor.Result;
}
// 15.2.4.3 and 15.2.4.4
public JsInstance ToStringImpl(JsDictionaryObject target, JsInstance[] parameters)
{
JsFunction constructor = target.Prototype["constructor"] as JsFunction;
if (target.Class == JsFunction.TYPEOF)
{
return(Global.StringClass.New(String.Concat("[object Function]")));
}
if (constructor == null)
{
return(Global.StringClass.New(String.Concat("[object Object]")));
}
else
{
return(Global.StringClass.New(String.Concat("[object ", constructor.Name, "]")));
}
}
public JsArguments(IGlobal global, JsFunction callee, JsInstance[] arguments)
: base(global.ObjectClass.New())
{
this.global = global;
// Add the named parameters
for (int i = 0; i < arguments.Length ; i++)
this.DefineOwnProperty(
new ValueDescriptor(this, i.ToString(), arguments[i]) { Enumerable = false }
);
length = arguments.Length;
calleeDescriptor = new ValueDescriptor(this, CALLEE, callee) { Enumerable = false };
DefineOwnProperty(calleeDescriptor);
DefineOwnProperty(new PropertyDescriptor<JsArguments>(global, this, "length", GetLength) { Enumerable = false });
}
public JsFunction New(Delegate d)
{
if (d == null)
{
throw new ArgumentNullException();
}
//JsFunction function = new ClrFunction(d, PrototypeProperty);
JsMethodImpl impl = Global.Marshaller.WrapMethod(d.GetType().GetMethod("Invoke"), false);
JsObject wrapper = new JsObject(d, JsNull.Instance);
JsFunction function = New <JsInstance>((that, args) => impl(Global, wrapper, args));
function.PrototypeProperty = Global.ObjectClass.New(function);
//function.Scope = new JsScope(PrototypeProperty);
return(function);
}
public JsInstance Sort(JsObject target, JsInstance[] parameters)
{
if (target.Length <= 1)
{
return((JsInstance)target);
}
JsFunction function = (JsFunction)null;
if ((uint)parameters.Length > 0U)
{
function = parameters[0] as JsFunction;
}
List <JsInstance> jsInstanceList = new List <JsInstance>();
int number = (int)target["length"].ToNumber();
for (int index = 0; index < number; ++index)
{
jsInstanceList.Add(target[index.ToString()]);
}
if (function != null)
{
try
{
jsInstanceList.Sort((IComparer <JsInstance>) new JsComparer(this.Global.Visitor, function));
}
catch (Exception ex)
{
if (ex.InnerException is JsException)
{
throw ex.InnerException;
}
throw;
}
}
else
{
jsInstanceList.Sort();
}
for (int index = 0; index < number; ++index)
{
target[index.ToString()] = jsInstanceList[index];
}
return((JsInstance)target);
}
public JsArguments(IGlobal global, JsFunction callee, JsInstance[] arguments)
: base(global.ObjectClass.New())
{
this.global = global;
// Add the named parameters
for (int i = 0; i < Math.Max(arguments.Length, callee.Arguments.Count); i++) {
ValueDescriptor d = new ValueDescriptor(this, i < callee.Arguments.Count ? callee.Arguments[i] : i.ToString()) { Attributes = PropertyAttributes.DontDelete };
d.Set(this, i < arguments.Length ? arguments[i] : JsUndefined.Instance);
this.DefineOwnProperty(i.ToString(), d);
}
length = arguments.Length;
calleeDescriptor = new ValueDescriptor(this, CALLEE) { Attributes = PropertyAttributes.DontEnum };
DefineOwnProperty(CALLEE, calleeDescriptor);
calleeDescriptor.Set(this, callee);
DefineOwnProperty("length", new PropertyDescriptor<JsArguments>(global, this, "length", GetLength) { Attributes = PropertyAttributes.DontEnum });
}
public JsArguments(IGlobal global, JsFunction callee, JsInstance[] arguments)
: base(global.ObjectClass.New())
{
this.global = global;
for (int index = 0; index < arguments.Length; ++index)
{
ValueDescriptor valueDescriptor = new ValueDescriptor((JsDictionaryObject)this, index.ToString(), arguments[index]);
valueDescriptor.Enumerable = false;
this.DefineOwnProperty((Descriptor)valueDescriptor);
}
this.length = arguments.Length;
ValueDescriptor valueDescriptor1 = new ValueDescriptor((JsDictionaryObject)this, nameof(callee), (JsInstance)callee);
valueDescriptor1.Enumerable = false;
this.calleeDescriptor = valueDescriptor1;
this.DefineOwnProperty((Descriptor)this.calleeDescriptor);
PropertyDescriptor <JsArguments> propertyDescriptor = new PropertyDescriptor <JsArguments>(global, (JsDictionaryObject)this, nameof(length), new Func <JsArguments, JsInstance>(this.GetLength));
propertyDescriptor.Enumerable = false;
this.DefineOwnProperty((Descriptor)propertyDescriptor);
}
/// <summary>
/// 15.4.4.2
/// </summary>
/// <param name="target"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public JsInstance ToStringImpl(JsArray target, JsInstance[] parameters)
{
JsArray result = Global.ArrayClass.New();
for (int i = 0; i < target.Length; i++)
{
var obj = (JsDictionaryObject)target[i.ToString()];
JsFunction function = obj["toString"] as JsFunction;
if (function != null)
{
Global.Visitor.ExecuteFunction(function, obj, parameters);
result[i.ToString()] = Global.Visitor.Returned;
}
else
{
result[i.ToString()] = null;
}
}
return(Global.StringClass.New(result.ToString()));
}
public override JsInstance Execute(IJintVisitor visitor, JsDictionaryObject that, JsInstance[] parameters)
{
JsFunction function = that as JsFunction;
if (function == null)
{
throw new ArgumentException("the target of call() must be a function");
}
JsDictionaryObject _this;
JsInstance[] _parameters;
if (parameters.Length >= 1 && parameters[0] != JsUndefined.Instance && parameters[0] != JsNull.Instance)
{
_this = parameters[0] as JsDictionaryObject;
}
else
{
_this = visitor.Global as JsDictionaryObject;
}
if (parameters.Length >= 2 && parameters[1] != JsNull.Instance)
{
_parameters = new JsInstance[parameters.Length - 1];
for (int i = 1; i < parameters.Length; i++)
{
_parameters[i - 1] = parameters[i];
}
}
else
{
_parameters = JsInstance.EMPTY;
}
// Executes the statements in 'that' and use _this as the target of the call
visitor.ExecuteFunction(function, _this, _parameters);
return(visitor.Result);
//visitor.CallFunction(function, _this, _parameters);
//return visitor.Result;
}
public override JsInstance Execute(
IJintVisitor visitor,
JsDictionaryObject that,
JsInstance[] parameters)
{
try
{
JsInstance result;
if (this.hasParameters)
{
result = this.impl.DynamicInvoke((object)that, (object)parameters) as JsInstance;
}
else
{
result = this.impl.DynamicInvoke((object)that) as JsInstance;
}
visitor.Return(result);
return(result);
}
catch (TargetInvocationException ex)
{
throw ex.InnerException;
}
catch (ArgumentException ex)
{
JsFunction jsFunction = that["constructor"] as JsFunction;
throw new JsException((JsInstance)visitor.Global.TypeErrorClass.New("incompatible type: " + (object)jsFunction == null ? "<unknown>" : jsFunction.Name));
}
catch (Exception ex)
{
if (ex.InnerException is JsException)
{
throw ex.InnerException;
}
throw;
}
}
public JsInstance ReplaceImpl(JsDictionaryObject target, JsInstance[] parameters)
{
if (parameters.Length == 0)
{
return((JsInstance)this.Global.StringClass.New(target.ToString()));
}
JsInstance parameter = parameters[0];
JsInstance jsInstance = (JsInstance)JsUndefined.Instance;
if (parameters.Length > 1)
{
jsInstance = parameters[1];
}
string source = target.ToString();
JsFunction function = jsInstance as JsFunction;
if (parameter.Class == "RegExp")
{
int count = ((JsRegExp)parameters[0]).IsGlobal ? int.MaxValue : 1;
JsRegExp regexp = (JsRegExp)parameters[0];
int startat = regexp.IsGlobal ? 0 : Math.Max(0, (int)regexp["lastIndex"].ToNumber() - 1);
if (regexp.IsGlobal)
{
regexp["lastIndex"] = (JsInstance)this.Global.NumberClass.New(0.0);
}
if (jsInstance is JsFunction)
{
return((JsInstance)this.Global.StringClass.New(((JsRegExp)parameters[0]).Regex.Replace(source, (MatchEvaluator)(m =>
{
List <JsInstance> jsInstanceList = new List <JsInstance>();
if (!regexp.IsGlobal)
{
regexp["lastIndex"] = (JsInstance)this.Global.NumberClass.New((double)(m.Index + 1));
}
jsInstanceList.Add((JsInstance)this.Global.StringClass.New(m.Value));
for (int index = 1; index < m.Groups.Count; ++index)
{
if (m.Groups[index].Success)
{
jsInstanceList.Add((JsInstance)this.Global.StringClass.New(m.Groups[index].Value));
}
else
{
jsInstanceList.Add((JsInstance)JsUndefined.Instance);
}
}
jsInstanceList.Add((JsInstance)this.Global.NumberClass.New((double)m.Index));
jsInstanceList.Add((JsInstance)this.Global.StringClass.New(source));
this.Global.Visitor.ExecuteFunction(function, (JsDictionaryObject)null, jsInstanceList.ToArray());
return this.Global.Visitor.Returned.ToString();
}), count, startat)));
}
string str = parameters[1].ToString();
return((JsInstance)this.Global.StringClass.New(((JsRegExp)parameters[0]).Regex.Replace(target.ToString(), (MatchEvaluator)(m =>
{
if (!regexp.IsGlobal)
{
regexp["lastIndex"] = (JsInstance)this.Global.NumberClass.New((double)(m.Index + 1));
}
string after = source.Substring(Math.Min(source.Length - 1, m.Index + m.Length));
return JsStringConstructor.EvaluateReplacePattern(m.Value, source.Substring(0, m.Index), after, str, m.Groups);
}), count, startat)));
}
string matched = parameter.ToString();
int length = source.IndexOf(matched);
if (length == -1)
{
return((JsInstance)this.Global.StringClass.New(source));
}
if (jsInstance is JsFunction)
{
this.Global.Visitor.ExecuteFunction(function, (JsDictionaryObject)null, new List <JsInstance>()
{
(JsInstance)this.Global.StringClass.New(matched),
(JsInstance)this.Global.NumberClass.New((double)length),
(JsInstance)this.Global.StringClass.New(source)
}.ToArray());
JsInstance result = this.Global.Visitor.Result;
return((JsInstance)this.Global.StringClass.New(source.Substring(0, length) + result.ToString() + source.Substring(length + matched.Length)));
}
string before = source.Substring(0, length);
string after1 = source.Substring(length + matched.Length);
string replacePattern = JsStringConstructor.EvaluateReplacePattern(matched, before, after1, jsInstance.ToString(), (GroupCollection)null);
return((JsInstance)this.Global.StringClass.New(before + replacePattern + after1));
}
public JsComparer(IJintVisitor visitor, JsFunction function)
{
this.Visitor = visitor;
this.Function = function;
}
public void ExecuteFunction(JsFunction function, JsDictionaryObject that, JsInstance[] parameters)
{
if (function == null)
{
return;
}
JsScope functionScope = new JsScope();
JsArguments args = new JsArguments(Global, function, parameters);
functionScope.Prototype = args;
if (HasOption(Options.Strict))
functionScope.DefineOwnProperty(JsInstance.ARGUMENTS, args);
else
functionScope.Prototype.DefineOwnProperty(JsInstance.ARGUMENTS, args);
if (that != null)
functionScope.DefineOwnProperty(JsInstance.THIS, that);
functionScope.Extensible = false;
//for (int i = function.DeclaringScopes.Count - 1; i >= 0; i--)
//{
// EnterScope(function.DeclaringScopes[i]);
//}
EnterScope(function);
EnterScope(functionScope);
try
{
PermissionSet.PermitOnly();
Result = function.Execute(this, that, parameters);
// Resets the return flag
if (exit)
{
exit = false;
}
}
finally
{
ExitScope();
ExitScope();
CodeAccessPermission.RevertPermitOnly();
}
}
public object CallFunction(JsFunction function, params object[] args) {
Visitor.ExecuteFunction(function, null,
args.Select(x => Visitor.Global.Marshaller.MarshalClrValue<object>(x)).ToArray()
//Array.ConvertAll<object,JsInstance>( args, x => Visitor.Global.Marshaller.MarshalClrValue<object>(x) )
);
return Visitor.Global.Marshaller.MarshalJsValue<object>(Visitor.Returned);
}
public JintEngine SetFunction(string name, JsFunction function) {
Visitor.GlobalScope[name] = function;
return this;
}
/// <summary>
///
/// </summary>
/// <param name="function">Function to exectue</param>
/// <param name="that">Object to call the function on</param>
/// <param name="parameters">Parameters of the execution</param>
public void CallFunction(JsFunction function, JsDictionaryObject that, JsInstance[] parameters)
{
function.Statement.Accept(this);
}
public JsObject(JsFunction constructor)
{
Prototype = new JsObject(constructor.Prototype);
}
public JsObject CreateNakedFunction(string name, JsFunction @delegate, int argumentCount, JsObject prototype)
{
return CreateNakedFunction(name, @delegate, argumentCount, prototype, false);
}
public void ExecuteFunction(JsFunction function, JsDictionaryObject that, JsInstance[] parameters)
{
ExecuteFunction(function, that, parameters, null);
}
public JsObject CreateFunction(string name, JsFunction function, int parameterCount)
{
return Global.CreateFunction(
name,
function,
parameterCount
);
}
public void ExecuteFunction(JsFunction function, JsDictionaryObject that, JsInstance[] parameters, Type[] genericParameters)
{
if (function == null) {
return;
}
if (recursionLevel++ > MaxRecursions) {
throw new JsException(Global.ErrorClass.New("Too many recursions in the script."));
}
// ecma chapter 10.
// TODO: move creation of the activation object to the JsFunction
// create new argument object and instantinate arguments into it
JsArguments args = new JsArguments(Global, function, parameters);
// create new activation object and copy instantinated arguments to it
// Activation should be before the function.Scope hierarchy
JsScope functionScope = new JsScope(function.Scope ?? GlobalScope);
for (int i = 0; i < function.Arguments.Count; i++)
if (i < parameters.Length)
functionScope.DefineOwnProperty(
new LinkedDescriptor(
functionScope,
function.Arguments[i],
args.GetDescriptor(i.ToString()),
args
)
);
else
functionScope.DefineOwnProperty(
new ValueDescriptor(
functionScope,
function.Arguments[i],
JsUndefined.Instance
)
);
// define arguments variable
if (HasOption(Options.Strict))
functionScope.DefineOwnProperty(JsScope.ARGUMENTS, args);
else
args.DefineOwnProperty(JsScope.ARGUMENTS, args);
// set this variable
if (that != null)
functionScope.DefineOwnProperty(JsScope.THIS, that);
else
functionScope.DefineOwnProperty(JsScope.THIS, that = Global as JsObject);
// enter activation object
EnterScope(functionScope);
try {
PermissionSet.PermitOnly();
if (genericParameters != null && genericParameters.Length > 0)
Result = function.Execute(this, that, parameters, genericParameters);
else
Result = function.Execute(this, that, parameters);
// Resets the return flag
if (exit) {
exit = false;
}
}
finally {
// return to previous execution state
ExitScope();
CodeAccessPermission.RevertPermitOnly();
recursionLevel--;
}
}
public object CallFunction(JsFunction function, params object[] args)
{
visitor.ExecuteFunction(function, null, JsClr.ConvertParametersBack(visitor, args));
return JsClr.ConvertParameter(visitor.Returned);
}
/// <summary>
/// 15.5.4.11
/// </summary>
/// <param name="target"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public JsInstance ReplaceImpl(JsDictionaryObject target, JsInstance[] parameters)
{
if (parameters.Length == 0)
{
return(Global.StringClass.New(target.ToString()));
}
JsInstance searchValue = parameters[0];
JsInstance replaceValue = JsUndefined.Instance;
if (parameters.Length > 1)
{
replaceValue = parameters[1];
}
string source = target.ToString();
JsFunction function = replaceValue as JsFunction;
if (searchValue.Class == JsInstance.CLASS_REGEXP)
{
int count = ((JsRegExp)parameters[0]).IsGlobal ? int.MaxValue : 1;
var regexp = ((JsRegExp)parameters[0]);
int lastIndex = regexp.IsGlobal ? 0 : Math.Max(0, (int)regexp["lastIndex"].ToNumber() - 1);
if (regexp.IsGlobal)
{
regexp["lastIndex"] = Global.NumberClass.New(0);
}
if (replaceValue is JsFunction)
{
string ret = ((JsRegExp)parameters[0]).Regex.Replace(source, delegate(Match m) {
List <JsInstance> replaceParameters = new List <JsInstance>();
if (!regexp.IsGlobal)
{
regexp["lastIndex"] = Global.NumberClass.New(m.Index + 1);
}
replaceParameters.Add(Global.StringClass.New(m.Value));
for (int i = 1; i < m.Groups.Count; i++)
{
if (m.Groups[i].Success)
{
replaceParameters.Add(Global.StringClass.New(m.Groups[i].Value));
}
else
{
replaceParameters.Add(JsUndefined.Instance);
}
}
replaceParameters.Add(Global.NumberClass.New(m.Index));
replaceParameters.Add(Global.StringClass.New(source));
Global.Visitor.ExecuteFunction(function, null, replaceParameters.ToArray());
return(Global.Visitor.Returned.ToString());
}, count, lastIndex);
return(Global.StringClass.New(ret));
}
else
{
string str = parameters[1].ToString();
string ret = ((JsRegExp)parameters[0]).Regex.Replace(target.ToString(), delegate(Match m) {
if (!regexp.IsGlobal)
{
regexp["lastIndex"] = Global.NumberClass.New(m.Index + 1);
}
string after = source.Substring(Math.Min(source.Length - 1, m.Index + m.Length));
return(EvaluateReplacePattern(m.Value, source.Substring(0, m.Index), after, str, m.Groups));
}, count, lastIndex);
return(Global.StringClass.New(ret));
}
}
else
{
string search = searchValue.ToString();
int index = source.IndexOf(search);
if (index != -1)
{
if (replaceValue is JsFunction)
{
List <JsInstance> replaceParameters = new List <JsInstance>();
replaceParameters.Add(Global.StringClass.New(search));
replaceParameters.Add(Global.NumberClass.New(index));
replaceParameters.Add(Global.StringClass.New(source));
Global.Visitor.ExecuteFunction(function, null, replaceParameters.ToArray());
replaceValue = Global.Visitor.Result;
return(Global.StringClass.New(source.Substring(0, index) + replaceValue.ToString() + source.Substring(index + search.Length)));
}
else
{
string before = source.Substring(0, index);
string after = source.Substring(index + search.Length);
string newString = EvaluateReplacePattern(search, before, after, replaceValue.ToString(), null);
return(Global.StringClass.New(before + newString + after));
}
}
else
{
return(Global.StringClass.New(source));
}
}
}
public CallProxyFunction(JsFunction callee)
{
Callee = callee;
}
public JsObject(JsFunction constructor)
{
Prototype = new JsObject(constructor.Prototype);
}
/// <summary>
/// Creates new JsObject, sets a [[Prototype]] to the Prototype parameter and a 'constructor' property to the specified function.
/// </summary>
/// <param name="constructor">JsFunction which is used as a constructor</param>
/// <param name="Prototype">JsObjetc which is used as a prototype</param>
/// <returns>new object</returns>
public JsObject New(JsFunction constructor, JsObject Prototype)
{
JsObject obj = new JsObject(Prototype);
obj.DefineOwnProperty(new ValueDescriptor(obj, CONSTRUCTOR, constructor) { Enumerable = false });
return obj;
}
public object CallFunction(JsFunction function, params object[] args)
{
try
{
visitor.ExecuteFunction(function, null, JsClr.ConvertParametersBack(visitor, args));
return JsClr.ConvertParameter(visitor.Returned);
}
catch (TargetInvocationException e)
{
string message = String.Format("{0}\n{1}: {2} in {3}"
, e.InnerException.Message, moduleName, CurrentString, CurrentLine);
throw new BitMobile.Utilities.Exceptions.JSException(message, e);
}
catch (BitMobile.Utilities.Exceptions.JsGlobalException e)
{
string message = String.Format("Error occured in script function:\n{0}\n{1}: {2} in {3}"
, e.Message, moduleName, CurrentString, CurrentLine);
throw new BitMobile.Utilities.Exceptions.JSException(message, e);
}
catch (Exception e)
{
string message = String.Format("{0}\n{1}: {2} in {3}"
, e.Message, moduleName, CurrentString, CurrentLine);
throw new BitMobile.Utilities.Exceptions.JSException(message, e);
}
}