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diff --git a/src/main/java/io/devnulllabs/openjava/syntax/CompositeRule.java b/src/main/java/io/devnulllabs/openjava/syntax/CompositeRule.java
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+++ b/src/main/java/io/devnulllabs/openjava/syntax/CompositeRule.java
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+/*
+ * CompositeRule.java
+ *
+ * comments here.
+ *
+ * @author   Michiaki Tatsubori
+ * @version  %VERSION% %DATE%
+ * @see      java.lang.Object
+ *
+ * COPYRIGHT 1998 by Michiaki Tatsubori, ALL RIGHTS RESERVED.
+ */
+package io.devnulllabs.openjava.syntax;
+
+
+import io.devnulllabs.openjava.ptree.ObjectList;
+import io.devnulllabs.openjava.ptree.ParseTree;
+
+
+/**
+ * The class <code>CompositeRule</code> represents iterative syntax
+ * rule.
+ * <p>
+ * Suppose there's a syntax rules; A, B, C.  This class can represents
+ * the syntax ( A B C ).
+ *
+ * @author   Michiaki Tatsubori
+ * @version  1.0
+ * @since    $Id: CompositeRule.java,v 1.2 2003/02/19 02:54:32 tatsubori Exp $
+ * @see java.lang.Object
+ */
+public class CompositeRule extends AbstractSyntaxRule
+{
+    private SyntaxRule[] elementRules;
+
+    /**
+     * Allocates a new rule representing a composition of given rules.
+     *
+     * @param elementRules  an array of rules
+     */
+    public CompositeRule( SyntaxRule[] elementRules ) {
+    this.elementRules = elementRules;
+    }
+
+    public CompositeRule( SyntaxRule e1, SyntaxRule e2 ) {
+    this( new SyntaxRule[] { e1, e2 } );
+    }
+
+    public CompositeRule( SyntaxRule e1, SyntaxRule e2, SyntaxRule e3 ) {
+    this( new SyntaxRule[] { e1, e2, e3 } );
+    }
+
+    /**
+     * Consumes token source.
+     *
+     * @param token_src  token source.
+     * @return  null if this fails to consume a syntax tree represented
+     * by this object.  Otherwise it returns <code>ObjectList</code> object.
+     */
+    public ParseTree consume( TokenSource token_src )
+    throws SyntaxException
+    {
+    ObjectList result = new ObjectList();
+    for (int i = 0; i < elementRules.length; ++i) {
+        ParseTree elem = elementRules[i].consume( token_src );
+        result.add( elem );
+    }
+    return result;
+    }
+
+}