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package bjc.utils.parserutils.pratt.commands;
import bjc.utils.data.ITree;
import bjc.utils.parserutils.pratt.NonInitialCommand;
import bjc.utils.parserutils.pratt.ParserContext;
import bjc.utils.parserutils.pratt.Token;
/**
* Default implementation of a non-initial command.
*
* @author EVE
*
* @param <K>
* The key type of the tokens.
*
* @param <V>
* The value type of the tokens.
*
* @param <C>
* The state type of the parser.
*/
public class DefaultNonInitialCommand<K, V, C> extends NonInitialCommand<K, V, C> {
@Override
public ITree<Token<K, V>> denote(ITree<Token<K, V>> operand, Token<K, V> operator, ParserContext<K, V, C> ctx) {
throw new UnsupportedOperationException("Default command has no left denotation");
}
@Override
public int leftBinding() {
return -1;
}
}
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