diff options
Diffstat (limited to 'JPratt/src/main/java/bjc/pratt/commands/AbstractInitialCommand.java')
| -rw-r--r-- | JPratt/src/main/java/bjc/pratt/commands/AbstractInitialCommand.java | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/JPratt/src/main/java/bjc/pratt/commands/AbstractInitialCommand.java b/JPratt/src/main/java/bjc/pratt/commands/AbstractInitialCommand.java new file mode 100644 index 0000000..b5a789c --- /dev/null +++ b/JPratt/src/main/java/bjc/pratt/commands/AbstractInitialCommand.java @@ -0,0 +1,32 @@ +package bjc.pratt.commands; + +import bjc.pratt.InitialCommand; +import bjc.pratt.ParserContext; +import bjc.pratt.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(Token<K, V> operator, 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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