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 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 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 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 override Descriptor Clone()
{
ValueDescriptor valueDescriptor = new ValueDescriptor(this.Owner, this.Name, this.value);
valueDescriptor.Enumerable = this.Enumerable;
valueDescriptor.Configurable = this.Configurable;
valueDescriptor.Writable = this.Writable;
return((Descriptor)valueDescriptor);
}
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);
}
public void DefineOwnProperty(
string key,
JsInstance value,
PropertyAttributes propertyAttributes)
{
ValueDescriptor valueDescriptor = new ValueDescriptor(this, key, value);
valueDescriptor.Writable = (propertyAttributes & PropertyAttributes.ReadOnly) == PropertyAttributes.None;
valueDescriptor.Enumerable = (propertyAttributes & PropertyAttributes.DontEnum) == PropertyAttributes.None;
this.DefineOwnProperty((Descriptor)valueDescriptor);
}
/// <summary>
/// 8.10.5
/// </summary>
/// <param name="global"></param>
/// <param name="obj"></param>
/// <returns></returns>
internal static Descriptor ToPropertyDesciptor(IGlobal global, JsDictionaryObject owner, string name, JsInstance jsInstance) {
if (jsInstance.Class != JsInstance.CLASS_OBJECT) {
throw new JsException(global.TypeErrorClass.New("The target object has to be an instance of an object"));
}
JsObject obj = (JsObject)jsInstance;
if ((obj.HasProperty("value") || obj.HasProperty("writable")) && (obj.HasProperty("set") || obj.HasProperty("get"))) {
throw new JsException(global.TypeErrorClass.New("The property cannot be both writable and have get/set accessors or cannot have both a value and an accessor defined"));
}
Descriptor desc;
JsInstance result = null;
if (obj.HasProperty("value")) {
desc = new ValueDescriptor(owner, name, obj["value"]);
}
else {
desc = new PropertyDescriptor(global, owner, name);
}
if (obj.TryGetProperty("enumerable", out result)) {
desc.Enumerable = result.ToBoolean();
}
if (obj.TryGetProperty("configurable", out result)) {
desc.Configurable = result.ToBoolean();
}
if (obj.TryGetProperty("writable", out result)) {
desc.Writable = result.ToBoolean();
}
if (obj.TryGetProperty("get", out result)) {
if (!(result is JsFunction))
throw new JsException(global.TypeErrorClass.New("The getter has to be a function"));
((PropertyDescriptor)desc).GetFunction = (JsFunction)result;
}
if (obj.TryGetProperty("set", out result)) {
if (!(result is JsFunction))
throw new JsException(global.TypeErrorClass.New("The setter has to be a function"));
((PropertyDescriptor)desc).SetFunction = (JsFunction)result;
}
return desc;
}
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 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);
}
public JsDictionaryObject()
{
Extensible = true;
DefineOwnProperty(PROTOTYPE, prototypeDescriptor = new ValueDescriptor(this, PROTOTYPE, JsUndefined.Instance), PropertyAttributes.DontEnum);
}
public void Visit(PropertyDeclarationExpression expression)
{
switch (expression.Mode)
{
case PropertyExpressionType.Data:
expression.Expression.Accept(this);
Result = new ValueDescriptor(CurrentScope, expression.Name, Result);
break;
case PropertyExpressionType.Get:
case PropertyExpressionType.Set:
JsFunction get = null, set = null;
if (expression.GetExpression != null)
{
expression.GetExpression.Accept(this);
get = (JsFunction)Result;
}
if (expression.SetExpression != null)
{
expression.SetExpression.Accept(this);
set = (JsFunction)Result;
}
Result = new PropertyDescriptor(Global, CurrentScope, expression.Name) { GetFunction = get, SetFunction = set, Enumerable = true };
break;
default:
break;
}
}
/// <summary>
/// 8.10.5
/// </summary>
/// <param name="global"></param>
/// <param name="obj"></param>
/// <returns></returns>
internal static Descriptor ToPropertyDesciptor(IGlobal global, JsDictionaryObject owner, string name, JsInstance jsInstance)
{
if (jsInstance.Class != JsInstance.CLASS_OBJECT)
{
throw new JsException(global.TypeErrorClass.New("The target object has to be an instance of an object"));
}
JsObject obj = (JsObject)jsInstance;
if ((obj.HasProperty("value") || obj.HasProperty("writable")) && (obj.HasProperty("set") || obj.HasProperty("get")))
{
throw new JsException(global.TypeErrorClass.New("The property cannot be both writable and have get/set accessors or cannot have both a value and an accessor defined"));
}
Descriptor desc;
JsInstance result = null;
if (obj.HasProperty("value"))
{
desc = new ValueDescriptor(owner, name, obj["value"]);
}
else
{
desc = new PropertyDescriptor(global, owner, name);
}
if (obj.TryGetProperty("enumerable", out result))
{
desc.Enumerable = result.ToBoolean();
}
if (obj.TryGetProperty("configurable", out result))
{
desc.Configurable = result.ToBoolean();
}
if (obj.TryGetProperty("writable", out result))
{
desc.Writable = result.ToBoolean();
}
if (obj.TryGetProperty("get", out result))
{
if (!(result is JsFunction))
{
throw new JsException(global.TypeErrorClass.New("The getter has to be a function"));
}
((PropertyDescriptor)desc).GetFunction = (JsFunction)result;
}
if (obj.TryGetProperty("set", out result))
{
if (!(result is JsFunction))
{
throw new JsException(global.TypeErrorClass.New("The setter has to be a function"));
}
((PropertyDescriptor)desc).SetFunction = (JsFunction)result;
}
return(desc);
}
public void Visit(PropertyDeclarationExpression expression)
{
// previous result was the object in which we need to define a property
var target = Result as JsDictionaryObject;
switch (expression.Mode) {
case PropertyExpressionType.Data:
expression.Expression.Accept(this);
Result = new ValueDescriptor(target, expression.Name, Result);
break;
case PropertyExpressionType.Get:
case PropertyExpressionType.Set:
JsFunction get = null, set = null;
if (expression.GetExpression != null) {
expression.GetExpression.Accept(this);
get = (JsFunction)Result;
}
if (expression.SetExpression != null) {
expression.SetExpression.Accept(this);
set = (JsFunction)Result;
}
Result = new PropertyDescriptor(Global, target, expression.Name) { GetFunction = get, SetFunction = set, Enumerable = true };
break;
default:
break;
}
}
