public override ReadResult <Integer> Read(ITextScanner scanner)
{
var result = innerLexer.Read(scanner);
if (result.Success)
{
var integer = new Integer(result.Element);
return(ReadResult <Integer> .FromResult(integer));
}
var syntaxError = SyntaxError.FromReadResult(result, scanner.GetContext());
return(ReadResult <Integer> .FromSyntaxError(syntaxError));
}
public override ReadResult <Sign> Read(ITextScanner scanner)
{
var result = innerLexer.Read(scanner);
if (result.Success)
{
var sign = new Sign(result.Element);
return(ReadResult <Sign> .FromResult(sign));
}
var syntaxError = SyntaxError.FromReadResult(result, scanner.GetContext());
return(ReadResult <Sign> .FromSyntaxError(syntaxError));
}
public override ReadResult <EndOfLine> Read(ITextScanner scanner)
{
if (scanner == null)
{
throw new ArgumentNullException(nameof(scanner));
}
var result = innerLexer.Read(scanner);
if (result.Success)
{
return(ReadResult <EndOfLine> .FromResult(new EndOfLine(result.Element)));
}
return(ReadResult <EndOfLine> .FromSyntaxError(SyntaxError.FromReadResult(result, scanner.GetContext())));
}
