public void passing_left_and_failing_right_side_fails()
{
var subject = new Sequence(__this__, __wally__);
var result = subject.TryMatch(scanner);
Assert.That(result.Success, Is.False);
}
public void passing_left_and_passing_right_side_passes_and_captures_both()
{
var subject = new Sequence(__this__, __is_my__);
var result = subject.TryMatch(scanner);
Assert.That(result.Success, Is.True);
Assert.That(result.Value, Is.EqualTo("this is my"));
}
public void a_recursive_parser_pattern()
{
// Build a parser for patterns of nested square brackets
subject = Recursion.Over(recursive =>
{
var left = new LiteralCharacter('[');
var right = new LiteralCharacter(']');
var mrec = new Repetition(recursive, 0, int.MaxValue);
var lrec = new Sequence(left, mrec);
var lr = new Sequence(lrec, right);
return lr;
});
valid_recursive = new ScanStrings("[[[][]]]");
valid_simple = new ScanStrings("[]");
invalid_recursive = new ScanStrings("[[[][[[]]]"); // unbalanced
invalid_simple = new ScanStrings("hello, world");
}