public void Visit(Identifier expression)
{
Result = null;
string propertyName = lastIdentifier = expression.Text;
// Search for .NET property or method
if (CurrentScope.IsClr && CurrentScope.Value != null)
{
EnsureClrAllowed();
var propertyInfo = propertyGetter.GetValue(CurrentScope.Value, propertyName);
if (propertyInfo != null)
{
Result = Global.WrapClr(propertyInfo.GetValue(CurrentScope.Value, null));
return;
}
var fieldInfo = fieldGetter.GetValue(CurrentScope.Value, propertyName);
if (fieldInfo != null)
{
Result = Global.WrapClr(fieldInfo.GetValue(CurrentScope.Value));
return;
}
// Not a property, then must be a method
Result = new JsClrMethodInfo(propertyName);
return;
throw new JintException("Invalid property name: " + propertyName);
}
// escalade scopes
JsDictionaryObject oldCallTarget = callTarget;
try
{
foreach (JsDictionaryObject scope in Scopes.ToArray())
{
callTarget = scope;
JsInstance result = null;
if (scope.TryGetProperty(propertyName, out result))
{
Result = result;
if (Result != null)
return;
}
}
}
finally
{
callTarget = oldCallTarget;
}
if (propertyName == "null")
{
Result = JsNull.Instance;
return;
}
if (propertyName == "undefined")
{
Result = JsUndefined.Instance;
return;
}
// Try to record full path in case it's a type
if (Result == null)
{
typeFullname.Append(propertyName);
}
Result = JsUndefined.Instance;
}
public void Visit(PropertyExpression expression)
{
Result = null;
string propertyName = lastIdentifier = expression.Text;
if (propertyName == JsDictionaryObject.PROTOTYPE)
{
Result = CurrentScope.Prototype;
return;
}
JsInstance result = null;
JsDictionaryObject oldCallTarget = callTarget;
callTarget = CurrentScope;
try
{// Closure ?
callTarget = CurrentScope;
if (CurrentScope.Class == JsFunction.TYPEOF)
{
JsScope scope = ((JsFunction)CurrentScope).Scope;
if (scope.TryGetProperty(propertyName, out result))
{
Result = result;
return;
}
}
callTarget = CurrentScope;
if (CurrentScope.TryGetProperty(propertyName, out result))
{
Result = result;
return;
}
}
finally
{
callTarget = oldCallTarget;
}
// Search for .NET property or method
if (CurrentScope.IsClr && CurrentScope.Value != null)
{
EnsureClrAllowed();
// enum ?
var type = CurrentScope.Value as Type;
if (type != null && type.IsEnum)
{
Result = new JsClr(this, Enum.Parse(type, propertyName));
return;
}
var propertyInfo = propertyGetter.GetValue(CurrentScope.Value, propertyName);
if (propertyInfo != null)
{
Result = Global.WrapClr(propertyInfo.GetValue(CurrentScope.Value, null));
return;
}
var fieldInfo = fieldGetter.GetValue(CurrentScope.Value, propertyName);
if (fieldInfo != null)
{
Result = Global.WrapClr(fieldInfo.GetValue(CurrentScope.Value));
return;
}
// Not a property, then must be a method
Result = new JsClrMethodInfo(propertyName);
return;
throw new JintException("Invalid property name: " + propertyName);
}
// Search for a static CLR call
if (Result == null && typeFullname.Length > 0)
{
Type type = typeResolver.ResolveType(typeFullname.ToString());
if (type != null)
{
EnsureClrAllowed();
var propertyInfo = propertyGetter.GetValue(type, propertyName);
if (propertyInfo != null)
{
Result = Global.WrapClr(propertyInfo.GetValue(type, null));
return;
}
var fieldInfo = fieldGetter.GetValue(type, propertyName);
if (fieldInfo != null)
{
Result = Global.WrapClr(fieldInfo.GetValue(type));
return;
}
// Not a property, then must be a method
Result = new JsClrMethodInfo(propertyName);
return;
throw new JintException("Invalid property name: " + propertyName);
}
}
if (Result == null && typeFullname.Length > 0)
{
typeFullname.Append('.').Append(propertyName);
}
Result = JsUndefined.Instance;
}
