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Code Issues Pull Requests 1 Releases Wiki Activity

Set the listeners list back to null if all listeners are removed from it

This commit is contained in:
Sam Harwell 2012-02-26 15:02:14 -06:00
parent 1e438746be
commit bedc502d33
1 changed files with 9 additions and 2 deletions
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11
runtime/Java/src/org/antlr/v4/runtime/Parser.java
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@ -175,10 +175,17 @@ public abstract class Parser extends Recognizer<Token, ParserATNSimulator<Token>
public void removeParseListener(ParseListener<Token> l) {
if ( l==null ) return;
if ( _parseListeners!=null ) _parseListeners.remove(l);
if ( _parseListeners!=null ) {
_parseListeners.remove(l);
if (_parseListeners.isEmpty()) {
_parseListeners = null;
}
}
}
public void removeParseListeners() { if ( _parseListeners!=null ) _parseListeners.clear(); }
public void removeParseListeners() {
_parseListeners = null;
}
public void triggerEnterRuleEvent() {
for (ParseListener<Token> l : _parseListeners) {