only gen if >0

[git-p4: depot-paths = "//depot/code/antlr4/main/": change = 6764]
This commit is contained in:
parrt 2010-03-22 14:41:27 -08:00
parent 2e85e0d3a7
commit f871e2dbf7
1 changed files with 3 additions and 1 deletions

View File

@ -33,7 +33,9 @@ public class LeftRecursionDetector {
check(start.rule, start, new HashSet<NFAState>());
}
//System.out.println("cycles="+listOfRecursiveCycles);
ErrorManager.leftRecursionCycles(listOfRecursiveCycles);
if ( listOfRecursiveCycles.size()>0 ) {
ErrorManager.leftRecursionCycles(listOfRecursiveCycles);
}
}
/** From state s, look for any transition to a rule that is currently