public static Guid ToUUID(char[] data, int offset)
{
return(ATNDeserializer.ToUUID(data, offset));
}
public static int ToInt32(char[] data, int offset)
{
return(ATNDeserializer.ToInt32(data, offset));
}
public static long ToLong(char[] data, int offset)
{
return(ATNDeserializer.ToLong(data, offset));
}
public virtual string Decode(char[] data)
{
data = data.Clone();
// don't adjust the first value since that's the version number
for (int i = 1; i < data.Length; i++)
{
data[i] = (char)(data[i] - 2);
}
StringBuilder buf = new StringBuilder();
int p = 0;
int version = ATNDeserializer.ToInt(data[p++]);
if (version != ATNDeserializer.SerializedVersion)
{
string reason = string.Format("Could not deserialize ATN with version {0} (expected {1}).", version, ATNDeserializer.SerializedVersion);
throw new NotSupportedException(new InvalidClassException(typeof(ATN).FullName, reason));
}
UUID uuid = ATNDeserializer.ToUUID(data, p);
p += 8;
if (!uuid.Equals(ATNDeserializer.SerializedUuid))
{
string reason = string.Format(CultureInfo.CurrentCulture, "Could not deserialize ATN with UUID {0} (expected {1}).", uuid, ATNDeserializer.SerializedUuid);
throw new NotSupportedException(new InvalidClassException(typeof(ATN).FullName, reason));
}
p++;
// skip grammarType
int maxType = ATNDeserializer.ToInt(data[p++]);
buf.Append("max type ").Append(maxType).Append("\n");
int nstates = ATNDeserializer.ToInt(data[p++]);
for (int i_1 = 0; i_1 < nstates; i_1++)
{
StateType stype = StateType.Values()[ATNDeserializer.ToInt(data[p++])];
if (stype == StateType.InvalidType)
{
continue;
}
// ignore bad type of states
int ruleIndex = ATNDeserializer.ToInt(data[p++]);
if (ruleIndex == char.MaxValue)
{
ruleIndex = -1;
}
string arg = string.Empty;
if (stype == StateType.LoopEnd)
{
int loopBackStateNumber = ATNDeserializer.ToInt(data[p++]);
arg = " " + loopBackStateNumber;
}
else
{
if (stype == StateType.PlusBlockStart || stype == StateType.StarBlockStart || stype == StateType.BlockStart)
{
int endStateNumber = ATNDeserializer.ToInt(data[p++]);
arg = " " + endStateNumber;
}
}
buf.Append(i_1).Append(":").Append(ATNState.serializationNames[(int)(stype)]).Append(" ").Append(ruleIndex).Append(arg).Append("\n");
}
int numNonGreedyStates = ATNDeserializer.ToInt(data[p++]);
for (int i_2 = 0; i_2 < numNonGreedyStates; i_2++)
{
int stateNumber = ATNDeserializer.ToInt(data[p++]);
}
int numSllStates = ATNDeserializer.ToInt(data[p++]);
for (int i_3 = 0; i_3 < numSllStates; i_3++)
{
int stateNumber = ATNDeserializer.ToInt(data[p++]);
}
int numPrecedenceStates = ATNDeserializer.ToInt(data[p++]);
for (int i_4 = 0; i_4 < numPrecedenceStates; i_4++)
{
int stateNumber = ATNDeserializer.ToInt(data[p++]);
}
int nrules = ATNDeserializer.ToInt(data[p++]);
for (int i_5 = 0; i_5 < nrules; i_5++)
{
int s = ATNDeserializer.ToInt(data[p++]);
bool leftFactored = ATNDeserializer.ToInt(data[p++]) != 0;
if (atn.grammarType == ATNType.Lexer)
{
int arg1 = ATNDeserializer.ToInt(data[p++]);
buf.Append("rule ").Append(i_5).Append(":").Append(s).Append(" ").Append(arg1).Append('\n');
}
else
{
buf.Append("rule ").Append(i_5).Append(":").Append(s).Append('\n');
}
}
int nmodes = ATNDeserializer.ToInt(data[p++]);
for (int i_6 = 0; i_6 < nmodes; i_6++)
{
int s = ATNDeserializer.ToInt(data[p++]);
buf.Append("mode ").Append(i_6).Append(":").Append(s).Append('\n');
}
int nsets = ATNDeserializer.ToInt(data[p++]);
for (int i_7 = 0; i_7 < nsets; i_7++)
{
int nintervals = ATNDeserializer.ToInt(data[p++]);
buf.Append(i_7).Append(":");
bool containsEof = data[p++] != 0;
if (containsEof)
{
buf.Append(GetTokenName(TokenConstants.Eof));
}
for (int j = 0; j < nintervals; j++)
{
if (containsEof || j > 0)
{
buf.Append(", ");
}
buf.Append(GetTokenName(ATNDeserializer.ToInt(data[p]))).Append("..").Append(GetTokenName(ATNDeserializer.ToInt(data[p + 1])));
p += 2;
}
buf.Append("\n");
}
int nedges = ATNDeserializer.ToInt(data[p++]);
for (int i_8 = 0; i_8 < nedges; i_8++)
{
int src = ATNDeserializer.ToInt(data[p]);
int trg = ATNDeserializer.ToInt(data[p + 1]);
int ttype = ATNDeserializer.ToInt(data[p + 2]);
int arg1 = ATNDeserializer.ToInt(data[p + 3]);
int arg2 = ATNDeserializer.ToInt(data[p + 4]);
int arg3 = ATNDeserializer.ToInt(data[p + 5]);
buf.Append(src).Append("->").Append(trg).Append(" ").Append(Transition.serializationNames[ttype]).Append(" ").Append(arg1).Append(",").Append(arg2).Append(",").Append(arg3).Append("\n");
p += 6;
}
int ndecisions = ATNDeserializer.ToInt(data[p++]);
for (int i_9 = 0; i_9 < ndecisions; i_9++)
{
int s = ATNDeserializer.ToInt(data[p++]);
buf.Append(i_9).Append(":").Append(s).Append("\n");
}
if (atn.grammarType == ATNType.Lexer)
{
int lexerActionCount = ATNDeserializer.ToInt(data[p++]);
for (int i_10 = 0; i_10 < lexerActionCount; i_10++)
{
LexerActionType actionType = LexerActionType.Values()[ATNDeserializer.ToInt(data[p++])];
int data1 = ATNDeserializer.ToInt(data[p++]);
int data2 = ATNDeserializer.ToInt(data[p++]);
}
}
return(buf.ToString());
}
public static int ToInt(char c)
{
return(ATNDeserializer.ToInt(c));
}
private RuleRelations ExtractRuleRelations(INamedTypeSymbol recognizerType)
{
string serializedATN = GetSerializedATN(recognizerType);
if (serializedATN == null)
return null;
ATN atn = new ATNDeserializer().Deserialize(serializedATN.ToCharArray());
RuleRelations relations = new RuleRelations(atn.ruleToStartState.Length);
foreach (ATNState state in atn.states)
{
if (!state.epsilonOnlyTransitions)
continue;
foreach (Transition transition in state.Transitions)
{
RuleTransition ruleTransition = transition as RuleTransition;
if (ruleTransition == null)
continue;
relations.AddRuleInvocation(state.ruleIndex, ruleTransition.target.ruleIndex);
}
}
return relations;
}
private static RuleDependencyChecker.RuleRelations ExtractRuleRelations(Type recognizer)
{
string serializedATN = GetSerializedATN(recognizer);
if (serializedATN == null)
{
return null;
}
ATN atn = new ATNDeserializer().Deserialize(serializedATN.ToCharArray());
RuleDependencyChecker.RuleRelations relations = new RuleDependencyChecker.RuleRelations(atn.ruleToStartState.Length);
foreach (ATNState state in atn.states)
{
if (!state.epsilonOnlyTransitions)
{
continue;
}
foreach (Transition transition in state.Transitions)
{
if (transition.TransitionType != TransitionType.Rule)
{
continue;
}
RuleTransition ruleTransition = (RuleTransition)transition;
relations.AddRuleInvocation(state.ruleIndex, ruleTransition.target.ruleIndex);
}
}
return relations;
}
/** Derive a new parser from an old one that has knowledge of the grammar.
* The Grammar object is used to correctly compute outer alternative
* numbers for parse tree nodes. A parser of the same type is created
* for subclasses of {@link ParserInterpreter}.
*/
public static ParserInterpreter DeriveTempParserInterpreter(Grammar g, Parser originalParser, ITokenStream tokens)
{
ParserInterpreter parser;
if (originalParser is ParserInterpreter)
{
Type c = originalParser.GetType();
try
{
parser = (ParserInterpreter)Activator.CreateInstance(originalParser.GetType(), g, originalParser.Atn, originalParser.InputStream);
}
catch (Exception e)
{
throw new ArgumentException("can't create parser to match incoming " + c.Name, e);
}
}
else
{
// must've been a generated parser
char[] serializedAtn = ATNSerializer.GetSerializedAsChars(originalParser.Atn, originalParser.RuleNames);
ATN deserialized = new ATNDeserializer().Deserialize(serializedAtn);
parser = new ParserInterpreter(originalParser.GrammarFileName,
originalParser.Vocabulary,
originalParser.RuleNames,
deserialized,
tokens);
}
parser.SetInputStream(tokens);
// Make sure that we don't get any error messages from using this temporary parser
parser.ErrorHandler = new BailErrorStrategy();
parser.RemoveErrorListeners();
parser.RemoveParseListeners();
parser.Interpreter.PredictionMode = PredictionMode.LlExactAmbigDetection;
return parser;
}
public virtual ParserInterpreter CreateParserInterpreter(ITokenStream tokenStream)
{
if (this.IsLexer())
{
throw new InvalidOperationException("A parser interpreter can only be created for a parser or combined grammar.");
}
char[] serializedAtn = ATNSerializer.GetSerializedAsChars(atn, GetRuleNames());
ATN deserialized = new ATNDeserializer().Deserialize(serializedAtn);
return new ParserInterpreter(fileName, GetVocabulary(), GetRuleNames(), deserialized, tokenStream);
}
public virtual LexerInterpreter CreateLexerInterpreter(ICharStream input)
{
if (this.IsParser())
{
throw new InvalidOperationException("A lexer interpreter can only be created for a lexer or combined grammar.");
}
if (this.IsCombined())
{
return implicitLexer.CreateLexerInterpreter(input);
}
char[] serializedAtn = ATNSerializer.GetSerializedAsChars(atn, GetRuleNames());
ATN deserialized = new ATNDeserializer().Deserialize(serializedAtn);
return new LexerInterpreter(fileName, GetVocabulary(), GetRuleNames(), ((LexerGrammar)this).modes.Keys, deserialized, input);
}
