public override ReadResult <Terminal> Read(ITextScanner scanner)
{
if (scanner == null)
{
throw new ArgumentNullException(nameof(scanner));
}
var context = scanner.GetContext();
MatchResult result = null;
// ReSharper disable once ForCanBeConvertedToForeach
for (var i = 0; i < valueRange.Length; i++)
{
var c = valueRange[i];
result = scanner.TryMatch(c);
if (result.EndOfInput)
{
return(ReadResult <Terminal> .FromSyntaxError(SyntaxError.FromMatchResult(result, context)));
}
if (result.Success)
{
return(ReadResult <Terminal> .FromResult(new Terminal(result.Text, context)));
}
}
Debug.Assert(result != null, "result != null");
return(ReadResult <Terminal> .FromSyntaxError(SyntaxError.FromMatchResult(result, context)));
}
public override ReadResult <Terminal> Read(ITextScanner scanner)
{
if (scanner == null)
{
throw new ArgumentNullException(nameof(scanner));
}
var context = scanner.GetContext();
var result = scanner.TryMatch(terminal, comparer);
if (result.Success)
{
return(ReadResult <Terminal> .FromResult(new Terminal(result.Text, context)));
}
return(ReadResult <Terminal> .FromSyntaxError(SyntaxError.FromMatchResult(result, context)));
}