public static string EvaluateAsName(IExpression expression, ValueEnvironment environment)
{
if (expression == null)
{
return(null);
}
if (expression is NameExpression)
{
return(((NameExpression)expression).Name);
}
if (expression is DotExpression)
{
DotExpression dot = (DotExpression)expression;
return(EvaluateAsName(dot.Expression, environment) + "." + dot.Name);
}
object result = expression.Evaluate(environment);
if (result == null)
{
return(null);
}
return(result.ToString());
}
public static Type GetType(ValueEnvironment environment, string name)
{
object obj = environment.GetValue(name);
if (obj != null && obj is Type)
{
return((Type)obj);
}
return(GetType(name));
}
public void SetValue(string key, object value)
{
key = key.ToLower();
if (this.values.ContainsKey(key))
{
this.values[key] = value;
return;
}
ValueEnvironment environment = this.GetNonLocalEnvironmentContaining(key);
if (environment != null)
{
environment.SetValue(key, value);
return;
}
this.values[key] = value;
}
public Machine(ValueEnvironment environment)
{
this.environment = environment;
}
public ValueEnvironment(ValueEnvironment parent, ValueEnvironmentType type)
{
this.parent = parent;
this.type = type;
}
public ValueEnvironment(ValueEnvironment parent)
: this(parent, ValueEnvironmentType.Normal)
{
}