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diff --git a/src/java/org/anarres/cpp/StringLexerSource.java b/src/java/org/anarres/cpp/StringLexerSource.java
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+++ b/src/java/org/anarres/cpp/StringLexerSource.java
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+/*
+ * Anarres C Preprocessor
+ * Copyright (C) 2007 Shevek
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+package org.anarres.cpp;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.io.StringReader;
+
+import java.util.List;
+import java.util.Iterator;
+
+import static org.anarres.cpp.Token.*;
+
+/**
+ * A Source for lexing a String.
+ *
+ * This class is used by token pasting, but can be used by user
+ * code.
+ */
+public class StringLexerSource extends LexerSource {
+
+	/**
+	 * Creates a new Source for lexing the given String.
+	 *
+	 * @param ppvalid true if preprocessor directives are to be
+	 *	honoured within the string.
+	 */
+	public StringLexerSource(String string, boolean ppvalid)
+						throws IOException {
+		super(new StringReader(string), ppvalid);
+	}
+
+	/**
+	 * Creates a new Source for lexing the given String.
+	 *
+	 * By default, preprocessor directives are not honoured within
+	 * the string.
+	 */
+	public StringLexerSource(String string)
+						throws IOException {
+		this(string, false);
+	}
+
+	public String toString() {
+		return "string literal";
+	}
+}