static LookupExpression ConvertFromBindingIdentifier(BindingIdentifier bindingIdentifier)
{
LookupExpression lookup = null;
if (bindingIdentifier != null)
{
lookup = new LookupExpression(bindingIdentifier.Context)
{
Name = bindingIdentifier.Name,
VariableField = bindingIdentifier.VariableField
};
// the binding is now referenced from the lookup
bindingIdentifier.VariableField.IfNotNull(v => v.References.Add(lookup));
}
return(lookup);
}
static BindingIdentifier ConvertToBindingIdentifier(LookupExpression lookup)
{
BindingIdentifier bindingIdentifier = null;
if (lookup != null)
{
bindingIdentifier = new BindingIdentifier(lookup.Context)
{
Name = lookup.Name,
VariableField = lookup.VariableField
};
// the field now has another declaration, and one less reference
lookup.VariableField.IfNotNull(v =>
{
v.Declarations.Add(bindingIdentifier);
v.References.Remove(lookup);
});
}
return(bindingIdentifier);
}