public AutomatonSourceParser(ParserAutomaton automaton)
{
if (automaton == null)
throw new ArgumentNullException(nameof(automaton));
Automaton = automaton;
}
public GrammarCompilationResult(GrammarCompilationContext context, ParserAutomaton automaton)
{
CompilationContext = context;
Automaton = automaton;
}
private static ParserAutomaton CreateAutomaton(GrammarCompilationContext context)
{
var automaton = new ParserAutomaton(context.GrammarData.Grammar);
foreach (var initialState in context.InitialStates)
automaton.InitialStates.Add((GrammarDefinition)initialState.Key.Rule.Switch[0][0], initialState.Value.State);
automaton.DefaultInitialState = context.InitialStates[context.GrammarData.DefaultAugmentedRoot].State;
automaton.States.AddRange(context.States.Select(x => x.State));
return automaton;
}
public void Serialize(Stream outputStream, ParserAutomaton automaton)
{
var writer = new BinaryWriter(outputStream);
var context = new SerializerContext(automaton, writer);
writer.Write((ushort)automaton.States.Count);
writer.Write((ushort)automaton.DefaultInitialState.Id);
writer.Write((byte)automaton.InitialStates.Count);
foreach (var state in context.Automaton.InitialStates)
WriteInitialStateEntry(writer, state);
foreach (var state in context.Automaton.States)
WriteState(context, state);
}
public SerializerContext(ParserAutomaton automaton, BinaryWriter writer)
{
Writer = writer;
Automaton = automaton;
}
public DeserializerContext(Grammar grammar, BinaryReader reader)
{
Reader = reader;
Automaton = new ParserAutomaton(grammar);
}