1 files changed, 51 insertions, 0 deletions
diff --git a/src/main/java/io/devnulllabs/openjava/syntax/PrepPhraseRule.java b/src/main/java/io/devnulllabs/openjava/syntax/PrepPhraseRule.java
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+++ b/src/main/java/io/devnulllabs/openjava/syntax/PrepPhraseRule.java
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+/*
+ * PrepPhraseRule.java
+ *
+ * comments here.
+ *
+ * @author   Michiaki Tatsubori
+ * @version  %VERSION% %DATE%
+ * @see      java.lang.Object
+ *
+ * COPYRIGHT 1999 by Michiaki Tatsubori, ALL RIGHTS RESERVED.
+ */
+package io.devnulllabs.openjava.syntax;
+
+import io.devnulllabs.openjava.ptree.ParseTree;
+
+/**
+ * The class <code>PrepPhraseRule</code> represents the syntax rule
+ * of a prepositional phrase.
+ * Suppose there's a syntax rule <code>A</code> and a given identifier
+ * <code>i</code>.  This class can represent the syntax:
+ * <pre>
+ * PrepPhraseRule := i A
+ * </pre>
+ * <p>
+ *
+ * @author   Michiaki Tatsubori
+ * @version  1.0
+ * @since    $Id: PrepPhraseRule.java,v 1.2 2003/02/19 02:54:31 tatsubori Exp $
+ * @see java.lang.Object
+ */
+public class PrepPhraseRule extends AbstractSyntaxRule {
+
+    private String prep;
+    private SyntaxRule words;
+
+    /**
+     * Allocates a new rule representing the syntax of a prepositional
+     * phrase consisting of a preposition and a syntax.
+     */
+    public PrepPhraseRule(String prep, SyntaxRule words) {
+        this.prep = prep;
+        this.words = words;
+    }
+
+    public ParseTree consume(TokenSource token_src) throws SyntaxException {
+        IdentifierRule ident = new IdentifierRule(prep);
+        ident.consume(token_src);
+        return words.consume(token_src);
+    }
+
+}