Merge branch 'master' of https://github.com/bculkin2442/JPratt.git

1 files changed, 41 insertions, 0 deletions

diff --git a/JPratt/src/main/java/bjc/pratt/commands/impls/ConstantCommand.java b/JPratt/src/main/java/bjc/pratt/commands/impls/ConstantCommand.java
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index 0000000..16af5aa
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+++ b/JPratt/src/main/java/bjc/pratt/commands/impls/ConstantCommand.java
@@ -0,0 +1,41 @@
+package bjc.pratt.commands.impls;
+
+import bjc.pratt.ParserContext;
+import bjc.pratt.commands.InitialCommand;
+import bjc.pratt.tokens.Token;
+import bjc.utils.data.ITree;
+import bjc.utils.parserutils.ParserException;
+
+/**
+ * A command that represents a specific tree.
+ *
+ * @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 class ConstantCommand<K, V, C> implements InitialCommand<K, V, C> {
+	private final ITree<Token<K, V>> val;
+
+	/**
+	 * Create a new constant.
+	 *
+	 * @param con
+	 *                The tree this constant represents.
+	 */
+	public ConstantCommand(final ITree<Token<K, V>> con) {
+		val = con;
+	}
+
+	@Override
+	public ITree<Token<K, V>> denote(final Token<K, V> operator, final ParserContext<K, V, C> ctx)
+			throws ParserException {
+		return val;
+	}
+}
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