private void AssertNextTokenKind(StepTokenKind kind)
{
AssertTokensRemain();
if (Current.Kind != kind)
{
ReportError($"Expected '{kind}' token but found '{Current.Kind}'");
}
}
private bool Accept(StepTokenKind kind, string text = null)
{
if (enumerator_.TryPeek(out var token) && token.Kind == kind)
{
if (text == null || token.StringBuilder.Equals(text))
{
enumerator_.MoveNext();
return(true);
}
}
return(false);
}
private void Expect(StepTokenKind kind, string text = null)
{
if (enumerator_.TryPeek(out var token))
{
if (token.Kind == kind)
{
if (text == null || token.StringBuilder.Equals(text))
{
enumerator_.MoveNext();
return;
}
}
throw new UnexpectedTokenException($"Expected token {kind}({text}), found {token.Kind}({token})");
}
throw new UnexpectedTokenException($"Expected token {kind}({text}), found end of file");
}
private TokenVerifier WithKind(StepTokenKind kind)
{
return(token => token.Kind == kind);
}
private void SwallowToken(StepTokenKind kind)
{
AssertNextTokenKind(kind);
MoveNext();
}
private StepToken(StepTokenKind kind)
{
Kind = kind;
StringBuilder = null;
}
public StepToken(StepTokenKind kind, FastStringBuilder value)
{
Kind = kind;
StringBuilder = value;
}
