public void SetVariable(Variable variable)
{
if (!Utilities.Equals(variable.Namespace, this.name))
throw new InvalidOperationException("Variable belongs to another namespace");
if (this.variables.ContainsKey(variable.Name))
throw new InvalidOperationException(string.Format("Variable {0} already exists in namespace", variable.FullName));
this.variables[variable.Name] = variable;
}
public static Variable Intern(Machine machine, string ns, string name)
{
if (string.IsNullOrEmpty(ns))
throw new InvalidOperationException("Variable has no namespace");
Variable variable = machine.GetVariable(ns, name);
if (variable != null)
return variable;
variable = new Variable(ns, name);
machine.SetVariable(variable);
return variable;
}
public VariableExpression(Variable variable)
{
this.variable = variable;
}
public void SetVariableValue(Variable variable, object value)
{
Namespace ns = this.GetNamespace(variable.Namespace);
Variable var = ns.GetVariable(variable.Name);
if (var == null)
ns.SetVariable(variable);
ns.SetValue(variable.Name, value);
}
public void SetVariable(Variable variable)
{
Namespace ns = this.GetNamespace(variable.Namespace);
ns.SetVariable(variable);
}
public object GetVariableValue(Variable variable)
{
return this.GetVariableValue(variable.Namespace, variable.Name);
}
public Variable GetVariable(Variable variable)
{
return this.GetVariable(variable.Namespace, variable.Name);
}