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Add link nodes to collections and check for their presence.

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This prevents infinite loops, as Link nodes do not follow regular
addInto behavior.
This commit is contained in:
Danila Fedorin 2017-07-28 09:51:59 -07:00
parent df0b1829ff
commit c350c24f62
1 changed files with 4 additions and 1 deletions
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5
src/org/nwapw/abacus/lexing/pattern/LinkNode.java
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@ -11,7 +11,10 @@ public class LinkNode<T> extends PatternNode<T> {
@Override @Override
public void addInto(Collection<PatternNode<T>> into) { public void addInto(Collection<PatternNode<T>> into) {
addOutputsInto(into); if(!into.contains(this)) {
into.add(this);
addOutputsInto(into);
}
} }
} }