private void TransitionBetweenStates( NFAState a, NFAState b, int label )
{
Transition e = new Transition( label, b );
a.AddTransition( e );
}
/** set up an NFA NFAState that will yield eof tokens or,
* in the case of a lexer grammar, an EOT token when the conversion
* hits the end of a rule.
*/
private void BuildEofState( NFAState endNFAState )
{
NFAState end = NewState();
int label = Label.EOF;
if ( _nfa.Grammar.type == GrammarType.Lexer )
{
label = Label.EOT;
end.IsEOTTargetState = true;
}
//System.Console.Out.WriteLine( "build " + nfa.grammar.getTokenDisplayName( label ) +
// " loop on end of state " + endNFAState.Description +
// " to state " + end.stateNumber );
Transition toEnd = new Transition( label, end );
endNFAState.AddTransition( toEnd );
}