/** Get num hidden tokens between i..j inclusive */
public int getNumberOfHiddenTokens(int i, int j) {
int n = 0;
TokenStream input = parser.getTokenStream();
for (int ti = i; ti < input.size() && ti <= j; ti++) {
Token t = input.get(ti);
if (t.getChannel() != Token.DEFAULT_CHANNEL) {
n++;
}
}
return n;
}
public void enterDecision(int decisionNumber, boolean couldBacktrack) {
lastRealTokenTouchedInDecision = null;
stats.numDecisionEvents++;
int startingLookaheadIndex = parser.getTokenStream().index();
TokenStream input = parser.getTokenStream();
if (dump)
System.out.println(
"enterDecision canBacktrack="
+ couldBacktrack
+ " "
+ decisionNumber
+ " backtrack depth "
+ backtrackDepth
+ " @ "
+ input.get(input.index())
+ " rule "
+ locationDescription());
String g = (String) currentGrammarFileName.peek();
DecisionDescriptor descriptor = decisions.get(g, decisionNumber);
if (descriptor == null) {
descriptor = new DecisionDescriptor();
decisions.put(g, decisionNumber, descriptor);
descriptor.decision = decisionNumber;
descriptor.fileName = (String) currentGrammarFileName.peek();
descriptor.ruleName = (String) currentRuleName.peek();
descriptor.line = (Integer) currentLine.peek();
descriptor.pos = (Integer) currentPos.peek();
descriptor.couldBacktrack = couldBacktrack;
}
descriptor.n++;
DecisionEvent d = new DecisionEvent();
decisionStack.push(d);
d.decision = descriptor;
d.startTime = System.currentTimeMillis();
d.startIndex = startingLookaheadIndex;
}