1 files changed, 74 insertions, 0 deletions
diff --git a/src/main/java/io/devnulllabs/openjava/syntax/NameRule.java b/src/main/java/io/devnulllabs/openjava/syntax/NameRule.java
new file mode 100644
index 0000000..5d7ffd0
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+++ b/src/main/java/io/devnulllabs/openjava/syntax/NameRule.java
@@ -0,0 +1,74 @@
+/*
+ * NameRule.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.ParseTree;
+import io.devnulllabs.openjava.ptree.Variable;
+import io.devnulllabs.openjava.tools.parser.Token;
+
+
+/**
+ * The interface <code>NameRule</code>
+ * <p>
+ * For example
+ * <pre>
+ * </pre>
+ * <p>
+ *
+ * @author   Michiaki Tatsubori
+ * @version  1.0
+ * @since    $Id: NameRule.java,v 1.2 2003/02/19 02:54:31 tatsubori Exp $
+ * @see java.lang.Object
+ */
+public class NameRule extends AbstractSyntaxRule
+{
+    /**
+     * Consumes a dot-separated name like <tt>java.lang.String</tt>.
+     *
+     * @param  token_src  token source
+     * @return  a dummy <code>Variable</code> object.
+     * @see io.devnulllabs.openjava.ptree.Variable
+     */
+    public final ParseTree consume( TokenSource token_src )
+    throws SyntaxException
+    {
+    return consumeQualifiedName( token_src );
+    }
+
+    /**
+     * To override for modifying rule.
+     */
+    public Variable consumeQualifiedName( TokenSource token_src )
+    throws SyntaxException
+    {
+    IdentifierRule rule = new IdentifierRule();
+    Variable ident = rule.consumeIdentifier( token_src );
+    StringBuffer buf = new StringBuffer( ident.toString() );
+    while (lookaheadRest( token_src )) {
+        buf.append( token_src.getNextToken().image ); /* DOT */
+        buf.append( token_src.getNextToken().image ); /* IDENTIFIER */
+    }
+    return new Variable( buf.toString() );
+    }
+
+    /**
+     * A hard-coded lookahead for performance reason.
+     *   (. <IDENTIFIER>)
+     */
+    protected static final boolean lookaheadRest( TokenSource token_src ) {
+    Token t1 = token_src.getToken( 1 );
+    Token t2 = token_src.getToken( 2 );
+    return (t1.kind == DOT && t2.kind == IDENTIFIER);
+    }
+
+}