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-rw-r--r--JPratt/src/main/java/com/ashardalon/pratt/commands/impls/DefaultNonInitialCommand.java35
1 files changed, 35 insertions, 0 deletions
diff --git a/JPratt/src/main/java/com/ashardalon/pratt/commands/impls/DefaultNonInitialCommand.java b/JPratt/src/main/java/com/ashardalon/pratt/commands/impls/DefaultNonInitialCommand.java
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--- /dev/null
+++ b/JPratt/src/main/java/com/ashardalon/pratt/commands/impls/DefaultNonInitialCommand.java
@@ -0,0 +1,35 @@
+package com.ashardalon.pratt.commands.impls;
+
+import com.ashardalon.pratt.ParserContext;
+import com.ashardalon.pratt.commands.CommandResult;
+import com.ashardalon.pratt.commands.NonInitialCommand;
+import com.ashardalon.pratt.tokens.Token;
+
+import bjc.data.Tree;
+
+/**
+ * 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 CommandResult<K, V> denote(final Tree<Token<K, V>> operand, final Token<K, V> operator,
+ final ParserContext<K, V, C> ctx) {
+ throw new UnsupportedOperationException("Default command has no left denotation");
+ }
+
+ @Override
+ public int leftBinding() {
+ return -1;
+ }
+}