public IReadOnlyCollection <ValidationResult> Validate(Token token, ITokenCollection tokenCollection)
{
var value = tokenCollection.Peek();
var integerResult = _integerTokenValueValidator.Validate(token, tokenCollection).Single();
int.TryParse(value.Value, out var integerValue);
if (!integerResult.IsSuccess || integerValue < 0)
{
var error = new ParserError($"{token.Name} is not non negative integer.", token.Line, token.Column);
return(new[] { ValidationResult.Error(error) });
}
return(new[] { ValidationResult.Success() });
}
public IReadOnlyCollection <ValidationResult> Validate(Token token, ITokenCollection tokenCollection)
{
return(_integerTokenValueValidator.Validate(token, tokenCollection));
}