public List<BinaryRule> getBinaryRulesByRightChild(String rightChild) {
return CollectionUtils.getValueList(binaryRulesByRightChild, rightChild);
}
public List<UnaryRule> getUnaryRulesByChild(String child) {
return CollectionUtils.getValueList(unaryRulesByChild, child);
}
/* Rules in grammar are indexed by child for easy access when
* doing bottom up parsing.
*/
public List<BinaryRule> getBinaryRulesByLeftChild(String leftChild) {
return CollectionUtils.getValueList(binaryRulesByLeftChild, leftChild);
}
