public void RegisterGoto(string token, JumpToken gotoToken)
{
Require.False(gotos.ContainsKey(token));
gotos.Add(token, gotoToken);
}
public void BeginLookahead()
{
Require.False(lookaheadEnabled);
lookaheadEnabled = true;
lookahead.Clear();
}
public void RegisterTryContext()
{
Require.False(tryContext);
tryContext = true;
}
public void Fail()
{
Require.False(lookaheadEnabled);
throw new CompilerException(CurrentToken, string.Format(Resource.Culture, Resource.UnexpectedToken, CurrentToken.Token, Expected(expected)));
}