private static void UpdatePropertyDescriptor(JSObject O, string P, JSObject desc)
{
JSValue tmp;
JSValue value = JSUndefined.Instance;
JSFunctionBase getter = null;
JSFunctionBase setter = null;
bool enumerable = true;
bool configurable = true;
bool writable = true;
bool hasValue = false;
bool hasGet = false;
bool hasSet = false;
bool hasEnumerable = false;
bool hasConfigurable = false;
bool hasWritable = false;
if (desc.TryGetPropertyValue("enumerable", out tmp))
{
enumerable = tmp.BoolValue();
hasEnumerable = true;
}
if (desc.TryGetPropertyValue("configurable", out tmp))
{
configurable = tmp.BoolValue();
hasConfigurable = true;
}
if (desc.TryGetPropertyValue("value", out tmp))
{
value = tmp;
hasValue = true;
}
if (desc.TryGetPropertyValue("writable", out tmp))
{
writable = tmp.BoolValue();
hasWritable = true;
}
if (desc.TryGetPropertyValue("get", out tmp))
{
if (tmp is JSUndefined)
{
getter = null;
}
else
{
if (!(tmp is JSFunctionBase))
{
throw new JSRuntimeException("TypeError", "invalid 'get' property in property descriptor");
}
getter = (JSFunctionBase)tmp;
}
hasGet = true;
}
if (desc.TryGetPropertyValue("set", out tmp))
{
if (tmp is JSUndefined)
{
setter = null;
}
else
{
if (!(tmp is JSFunctionBase))
{
throw new JSRuntimeException("TypeError", "invalid 'set' property in property descriptor");
}
setter = (JSFunctionBase)tmp;
}
hasSet = true;
}
if (hasValue || hasGet || hasSet || hasEnumerable || hasConfigurable || hasWritable)
{
PropWrapper newProp;
bool bIsAccessor;
if (!(hasGet || hasSet))
{
bIsAccessor = false;
}
else
{
if (hasValue || hasWritable)
{
throw new JSRuntimeException("TypeError", "property descriptor contained values for both data and accessor");
}
bIsAccessor = true;
}
PropWrapper oldProp = O.GetOwnPropertyRef(P);
if (oldProp == null)
{
if (!O.IsExtensible)
{
throw new JSRuntimeException("TypeError", "object is not extensible");
}
if (bIsAccessor)
{
newProp = new AccessorProperty(getter, setter, writable, enumerable, configurable);
}
else
{
newProp = new DataProperty(value, writable, enumerable, configurable);
}
}
else
{
if (oldProp is DataProperty)
{
DataProperty _o = oldProp as DataProperty;
if ((((!hasValue || JSValue.JSEqualsExact(value, _o.Value)) && (!hasEnumerable || (writable == oldProp.Writable))) && (!hasConfigurable || (enumerable == oldProp.Enumerable))) && (!hasWritable || (configurable == oldProp.Configurable)))
{
return;
}
}
else if (oldProp is AccessorProperty)
{
AccessorProperty _o = oldProp as AccessorProperty;
if ((((!hasEnumerable || (writable == oldProp.Writable)) && (!hasConfigurable || (enumerable == oldProp.Enumerable))) && (!hasGet || (getter == _o.Getter))) && (!hasSet || (setter == _o.Setter)))
{
return;
}
}
if (!oldProp.Configurable)
{
throw new JSRuntimeException("TypeError", "property is not configurable");
}
if ((bIsAccessor && (oldProp is AccessorProperty)) || (!bIsAccessor && (oldProp is DataProperty)))
{
newProp = oldProp;
}
else if (bIsAccessor)
{
newProp = new AccessorProperty(getter, setter);
}
else
{
newProp = new DataProperty(value);
}
if (hasConfigurable)
{
newProp.Configurable = configurable;
}
if (hasEnumerable)
{
newProp.Enumerable = enumerable;
}
if (bIsAccessor)
{
if (hasGet)
{
((AccessorProperty)newProp).Getter = getter;
}
if (hasSet)
{
((AccessorProperty)newProp).Setter = setter;
}
}
else
{
if (hasWritable)
{
((DataProperty)newProp).Value = value;
}
if (hasValue)
{
newProp.Set(O, value);
}
}
}
O.SetProp(P, newProp);
}
}
private static void UpdatePropertyDescriptor(JSObject O, string P, JSObject desc)
{
JSValue tmp;
JSValue value = JSUndefined.Instance;
JSFunctionBase getter = null;
JSFunctionBase setter = null;
bool enumerable = true;
bool configurable = true;
bool writable = true;
bool hasValue = false;
bool hasGet = false;
bool hasSet = false;
bool hasEnumerable = false;
bool hasConfigurable = false;
bool hasWritable = false;
if (desc.TryGetPropertyValue("enumerable", out tmp))
{
enumerable = tmp.BoolValue();
hasEnumerable = true;
}
if (desc.TryGetPropertyValue("configurable", out tmp))
{
configurable = tmp.BoolValue();
hasConfigurable = true;
}
if (desc.TryGetPropertyValue("value", out tmp))
{
value = tmp;
hasValue = true;
}
if (desc.TryGetPropertyValue("writable", out tmp))
{
writable = tmp.BoolValue();
hasWritable = true;
}
if (desc.TryGetPropertyValue("get", out tmp))
{
if (tmp is JSUndefined)
{
getter = null;
}
else
{
if (!(tmp is JSFunctionBase))
{
throw new JSRuntimeException("TypeError", "invalid 'get' property in property descriptor");
}
getter = (JSFunctionBase)tmp;
}
hasGet = true;
}
if (desc.TryGetPropertyValue("set", out tmp))
{
if (tmp is JSUndefined)
{
setter = null;
}
else
{
if (!(tmp is JSFunctionBase))
{
throw new JSRuntimeException("TypeError", "invalid 'set' property in property descriptor");
}
setter = (JSFunctionBase)tmp;
}
hasSet = true;
}
if (hasValue || hasGet || hasSet || hasEnumerable || hasConfigurable || hasWritable)
{
PropWrapper newProp;
bool bIsAccessor;
if (!(hasGet || hasSet))
{
bIsAccessor = false;
}
else
{
if (hasValue || hasWritable)
{
throw new JSRuntimeException("TypeError", "property descriptor contained values for both data and accessor");
}
bIsAccessor = true;
}
PropWrapper oldProp = O.GetOwnPropertyRef(P);
if (oldProp == null)
{
if (!O.IsExtensible)
{
throw new JSRuntimeException("TypeError", "object is not extensible");
}
if (bIsAccessor)
{
newProp = new AccessorProperty(getter, setter, writable, enumerable, configurable);
}
else
{
newProp = new DataProperty(value, writable, enumerable, configurable);
}
}
else
{
if (oldProp is DataProperty)
{
DataProperty _o = oldProp as DataProperty;
if ((((!hasValue || JSValue.JSEqualsExact(value, _o.Value)) && (!hasEnumerable || (writable == oldProp.Writable))) && (!hasConfigurable || (enumerable == oldProp.Enumerable))) && (!hasWritable || (configurable == oldProp.Configurable)))
{
return;
}
}
else if (oldProp is AccessorProperty)
{
AccessorProperty _o = oldProp as AccessorProperty;
if ((((!hasEnumerable || (writable == oldProp.Writable)) && (!hasConfigurable || (enumerable == oldProp.Enumerable))) && (!hasGet || (getter == _o.Getter))) && (!hasSet || (setter == _o.Setter)))
{
return;
}
}
if (!oldProp.Configurable)
{
throw new JSRuntimeException("TypeError", "property is not configurable");
}
if ((bIsAccessor && (oldProp is AccessorProperty)) || (!bIsAccessor && (oldProp is DataProperty)))
{
newProp = oldProp;
}
else if (bIsAccessor)
{
newProp = new AccessorProperty(getter, setter);
}
else
{
newProp = new DataProperty(value);
}
if (hasConfigurable)
{
newProp.Configurable = configurable;
}
if (hasEnumerable)
{
newProp.Enumerable = enumerable;
}
if (bIsAccessor)
{
if (hasGet)
{
((AccessorProperty)newProp).Getter = getter;
}
if (hasSet)
{
((AccessorProperty)newProp).Setter = setter;
}
}
else
{
if (hasWritable)
{
((DataProperty)newProp).Value = value;
}
if (hasValue)
{
newProp.Set(O, value);
}
}
}
O.SetProp(P, newProp);
}
}