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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
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4
tool/src/org/antlr/v4/analysis/LeftRecursionDetector.java
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@ -33,7 +33,9 @@ public class LeftRecursionDetector {
check(start.rule, start, new HashSet<NFAState>()); check(start.rule, start, new HashSet<NFAState>());
} }
//System.out.println("cycles="+listOfRecursiveCycles); //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 /** From state s, look for any transition to a rule that is currently