/// <summary>
/// Evaluates the expressions in a Pegasus <see cref="Grammar"/> to determine which of them contain assertions.
/// </summary>
/// <param name="grammar">The <see cref="Grammar"/> to evaluate.</param>
/// <returns>A <see cref="Dictionary{TKey, TValue}"/> detailing the whether each expression in the grammar contains assertions.</returns>
public static Dictionary <Expression, bool> Evaluate(Grammar grammar)
{
var containsAssertions = new Dictionary <Expression, bool?>();
var walker = new ContainsAssertionsWalker(grammar, containsAssertions);
do
{
walker.WalkGrammar(grammar);
}while (walker.Changed);
return(containsAssertions.ToDictionary(x => x.Key, x => x.Value ?? false));
}
/// <summary>
/// Evaluates the expressions in a Pegasus <see cref="Grammar"/> to determine which of them contain assertions.
/// </summary>
/// <param name="grammar">The <see cref="Grammar"/> to evaluate.</param>
/// <returns>A <see cref="Dictionary{TKey, TValue}"/> detailing the whether each expression in the grammar contains assertions.</returns>
public static Dictionary<Expression, bool> Evaluate(Grammar grammar)
{
var containsAssertions = new Dictionary<Expression, bool?>();
var walker = new ContainsAssertionsWalker(grammar, containsAssertions);
do
{
walker.WalkGrammar(grammar);
}
while (walker.Changed);
return containsAssertions.ToDictionary(x => x.Key, x => x.Value ?? false);
}
