internal static IField GetBackingField(BaseRefactoringContext context, PropertyDeclaration propertyDeclaration)
{
// automatic properties always need getter & setter
if (propertyDeclaration == null || propertyDeclaration.Getter.IsNull || propertyDeclaration.Setter.IsNull || propertyDeclaration.Getter.Body.IsNull || propertyDeclaration.Setter.Body.IsNull)
{
return(null);
}
if (!context.Supports(csharp3) || propertyDeclaration.HasModifier(ICSharpCode.NRefactory.Al.Modifiers.Abstract) || ((TypeDeclaration)propertyDeclaration.Parent).ClassType == ClassType.Interface)
{
return(null);
}
var getterField = ScanGetter(context, propertyDeclaration);
if (getterField == null)
{
return(null);
}
var setterField = ScanSetter(context, propertyDeclaration);
if (setterField == null)
{
return(null);
}
if (!getterField.Equals(setterField))
{
return(null);
}
return(getterField);
}