/** Strip last 2 tokens if → label; alter indexes in altAST */
public virtual void StripAltLabel(GrammarAST altAST)
{
int start = altAST.TokenStartIndex;
int stop = altAST.TokenStopIndex;
// find =>
for (int i = stop; i >= start; i--)
{
if (tokenStream.Get(i).Type == POUND)
{
altAST.TokenStopIndex = i - 1;
return;
}
}
}
/// <summary>Get num hidden tokens between i..j inclusive</summary>
public int GetNumberOfHiddenTokens(int i, int j)
{
int n = 0;
ITokenStream input = parser.TokenStream;
for (int ti = i; ti < input.Count && ti <= j; ti++)
{
IToken t = input.Get(ti);
if (t.Channel != Token.DEFAULT_CHANNEL)
{
n++;
}
}
return(n);
}
// R E P O R T I N G
public virtual string ToNotifyString()
{
ITokenStream input = parser.TokenStream;
for (int i = 0; (i < input.Count) && (lastTokenConsumed != null) && (i <= lastTokenConsumed.TokenIndex); i++)
{
IToken t = input.Get(i);
if (t.Channel != Token.DEFAULT_CHANNEL)
{
numHiddenTokens++;
numHiddenCharsMatched += t.Text.Length;
}
}
numCharsMatched = lastTokenConsumed.StopIndex + 1;
decisionMaxFixedLookaheads = Trim(decisionMaxFixedLookaheads, numFixedDecisions);
decisionMaxCyclicLookaheads = Trim(decisionMaxCyclicLookaheads, numCyclicDecisions);
StringBuilder buf = new StringBuilder();
buf.Append(Version);
buf.Append('\t');
buf.Append(parser.GetType().FullName);
buf.Append('\t');
buf.Append(numRuleInvocations);
buf.Append('\t');
buf.Append(maxRuleInvocationDepth);
buf.Append('\t');
buf.Append(numFixedDecisions);
buf.Append('\t');
buf.Append(Stats.Min(decisionMaxFixedLookaheads));
buf.Append('\t');
buf.Append(Stats.Max(decisionMaxFixedLookaheads));
buf.Append('\t');
buf.Append(Stats.Avg(decisionMaxFixedLookaheads));
buf.Append('\t');
buf.Append(Stats.Stddev(decisionMaxFixedLookaheads));
buf.Append('\t');
buf.Append(numCyclicDecisions);
buf.Append('\t');
buf.Append(Stats.Min(decisionMaxCyclicLookaheads));
buf.Append('\t');
buf.Append(Stats.Max(decisionMaxCyclicLookaheads));
buf.Append('\t');
buf.Append(Stats.Avg(decisionMaxCyclicLookaheads));
buf.Append('\t');
buf.Append(Stats.Stddev(decisionMaxCyclicLookaheads));
buf.Append('\t');
buf.Append(numBacktrackDecisions);
buf.Append('\t');
buf.Append(Stats.Min(ToArray(decisionMaxSynPredLookaheads)));
buf.Append('\t');
buf.Append(Stats.Max(ToArray(decisionMaxSynPredLookaheads)));
buf.Append('\t');
buf.Append(Stats.Avg(ToArray(decisionMaxSynPredLookaheads)));
buf.Append('\t');
buf.Append(Stats.Stddev(ToArray(decisionMaxSynPredLookaheads)));
buf.Append('\t');
buf.Append(numSemanticPredicates);
buf.Append('\t');
buf.Append(parser.TokenStream.Count);
buf.Append('\t');
buf.Append(numHiddenTokens);
buf.Append('\t');
buf.Append(numCharsMatched);
buf.Append('\t');
buf.Append(numHiddenCharsMatched);
buf.Append('\t');
buf.Append(numberReportedErrors);
buf.Append('\t');
buf.Append(numMemoizationCacheHits);
buf.Append('\t');
buf.Append(numMemoizationCacheMisses);
buf.Append('\t');
buf.Append(numGuessingRuleInvocations);
buf.Append('\t');
buf.Append(numMemoizationCacheEntries);
return(buf.ToString());
}
