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package bjc.pratt.commands;
import bjc.pratt.ParserContext;
import bjc.pratt.tokens.Token;
import bjc.utils.data.ITree;
import bjc.utils.parserutils.ParserException;
/**
* Abstract base for initial commands.
*
* @author bjculkin
*
* @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 abstract class AbstractInitialCommand<K, V, C> implements InitialCommand<K, V, C> {
@Override
public ITree<Token<K, V>> denote(final Token<K, V> operator, final ParserContext<K, V, C> ctx)
throws ParserException {
return intNullDenotation(operator, ctx);
}
protected abstract ITree<Token<K, V>> intNullDenotation(Token<K, V> operator, ParserContext<K, V, C> ctx)
throws ParserException;
}
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