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authorbjculkin <bjculkin@mix.wvu.edu>2017-04-05 15:35:13 -0400
committerbjculkin <bjculkin@mix.wvu.edu>2017-04-05 15:35:13 -0400
commitc82452e59b1547392c3e89d08d9173cc6dc79e23 (patch)
tree1927051f7cab7a64eef3f53a78b77780db6cf281 /JPratt/src/main/java/bjc/pratt/InitialCommand.java
parentb61c66d5e0c18faee68eb91881d5dfe760818856 (diff)
Reorganize
Diffstat (limited to 'JPratt/src/main/java/bjc/pratt/InitialCommand.java')
-rw-r--r--JPratt/src/main/java/bjc/pratt/InitialCommand.java38
1 files changed, 38 insertions, 0 deletions
diff --git a/JPratt/src/main/java/bjc/pratt/InitialCommand.java b/JPratt/src/main/java/bjc/pratt/InitialCommand.java
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--- /dev/null
+++ b/JPratt/src/main/java/bjc/pratt/InitialCommand.java
@@ -0,0 +1,38 @@
+package bjc.pratt;
+
+import bjc.utils.data.ITree;
+import bjc.utils.parserutils.ParserException;
+
+/**
+ * Represents an initial command in parsing.
+ *
+ * @author EVE
+ *
+ * @param <K>
+ * The key type for the tokens.
+ *
+ * @param <V>
+ * The value type for the tokens.
+ *
+ * @param <C>
+ * The state type of the parser.
+ *
+ *
+ */
+@FunctionalInterface
+public interface InitialCommand<K, V, C> {
+ /**
+ * Construct the null denotation of this command.
+ *
+ * @param operator
+ * The operator for this command.
+ * @param ctx
+ * The context for the command.
+ *
+ * @return The tree for this command.
+ *
+ * @throws ParserException
+ * If something goes wrong during parsing.
+ */
+ ITree<Token<K, V>> denote(Token<K, V> operator, ParserContext<K, V, C> ctx) throws ParserException;
+}