/// <inheritdoc/>
public override ParserRuleResult Execute(InputBuffer buffer)
{
var succeeded = _delegate(buffer, out var token);
return(succeeded ?
ParserRuleResult.Success(token) :
ParserRuleResult.Fail());
}
/// <inheritdoc/>
public override ParserRuleResult Execute(InputBuffer buffer)
{
var tokens = new List <IToken>();
foreach (var rule in _rules)
{
var result = rule.Execute(buffer);
// All rules must succeed for this rule to pass through to the mapping stage.
if (!result.Succeeded)
{
return(ParserRuleResult.Fail());
}
if (result.Token != null)
{
tokens.Add(result.Token);
}
}
return(_mapper(tokens));
}
/// <inheritdoc/>
public override ParserRuleResult Execute(InputBuffer buffer)
{
return(_condition(buffer) ?
ParserRuleResult.Success(token: null) :
ParserRuleResult.Fail());
}