More work on parse blocks

1 files changed, 41 insertions, 0 deletions

diff --git a/JPratt/src/main/java/bjc/pratt/commands/BlockInitialCommand.java b/JPratt/src/main/java/bjc/pratt/commands/BlockInitialCommand.java
new file mode 100644
index 0000000..f0448f7
--- /dev/null
+++ b/JPratt/src/main/java/bjc/pratt/commands/BlockInitialCommand.java
@@ -0,0 +1,41 @@
+package bjc.pratt.commands;
+
+import bjc.pratt.ParseBlock;
+import bjc.pratt.ParserContext;
+import bjc.pratt.Token;
+import bjc.utils.data.ITree;
+import bjc.utils.parserutils.ParserException;
+
+/**
+ * An initial command that delegates all the work to a {@link ParseBlock}
+ * 
+ * @author bjculkin
+ * @param <K>
+ *                The token key type.
+ * 
+ * @param <V>
+ *                The token value type.
+ * 
+ * @param <C>
+ *                The parser state type.
+ *
+ */
+public class BlockInitialCommand<K, V, C> extends AbstractInitialCommand<K, V, C> {
+	private ParseBlock<K, V, C> blck;
+
+	/**
+	 * Create a new block initial command.
+	 * 
+	 * @param block
+	 *                The block to delegate to.
+	 */
+	public BlockInitialCommand(ParseBlock<K, V, C> block) {
+		blck = block;
+	}
+
+	@Override
+	protected ITree<Token<K, V>> intNullDenotation(Token<K, V> operator, ParserContext<K, V, C> ctx)
+			throws ParserException {
+		return blck.parse(ctx);
+	}
+}
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