binding.nitra

    [ExplicitSpaces]
    syntax Binding = "bind" s Path=BindingPath? Source=("from" s BindingSource)? Converter=("convert" s LambdaExpr s)? ConverterBack=("convertback" s LambdaExpr s)? Settings=("set" s "[" s (!"set" NodeMember; ContentDelimiter)* s  "]")?;

    syntax BindingPath
    {
      | StringLiteral
      | Parameter = "$" Key=Reference
      | QRef = Key=QualifiedReference
    }
    
    syntax BindingSource
    {
      | This      = "$this"
      | Viewmodel = "$viewmodel"
      | Template  = "$template"
      | Ancestor  = "$ancestor" "<" Type=QualifiedReference ">" Level=("(" Digits ")")?
      | PreviousData = "$previous"
      | Name      = StringLiteral
      | Reference = !Keyword Key=QualifiedReference
      | Resource = "$resource" ResourceKey=Reference
    }