/// <summary>
/// Initializes a new instance of a Grammar, initially empty.
/// </summary>
/// <param name="tokenRegistry">The token registry to use to verify referenced tokens types are defined.</param>
public Grammar(TokenRegistry tokenRegistry)
{
this.tokenRegistry = tokenRegistry;
this.expressionLookup = new Dictionary <string, ExpressionDefinition>();
}
public Tokenizer(TokenRegistry registry, string commandText)
{
this.registry = registry;
this.commandText = commandText;
}