public void AddVariable(Variable variable, string identifier)
{
identifier = identifier.ToLower();
if (!identifier.StartsWith("$"))
{
identifier = "$" + identifier;
}
if (_vars.ContainsKey(identifier))
{
_vars.Remove(identifier);
}
_vars.Add(identifier, variable);
}
private Variable GetOrCreateVariable(string identifier)
{
Variable variable;
if (vars.ContainsKey(identifier))
{
variable = GetVariable(identifier);
}
else
{
variable = new Variable {Name = identifier};
AddVariable(variable, identifier);
}
return variable;
}
public bool VariableIsRemovable(Variable variable)
{
return !(variable is Binding.BoundVariable);
}