@@ -0,0 +1,2637 @@
+/*%0A * #%25L%0A * SciJava mathematical expression parser.%0A * %25%25%0A * Copyright (C) 2015 Board of Regents of the University of%0A * Wisconsin-Madison.%0A * %25%25%0A * Redistribution and use in source and binary forms, with or without%0A * modification, are permitted provided that the following conditions are met:%0A *%0A * 1. Redistributions of source code must retain the above copyright notice,%0A *    this list of conditions and the following disclaimer.%0A * 2. Redistributions in binary form must reproduce the above copyright notice,%0A *    this list of conditions and the following disclaimer in the documentation%0A *    and/or other materials provided with the distribution.%0A *%0A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS %22AS IS%22%0A * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE%0A * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE%0A * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE%0A * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR%0A * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF%0A * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS%0A * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN%0A * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)%0A * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE%0A * POSSIBILITY OF SUCH DAMAGE.%0A * #L%25%0A */%0A%0Apackage org.scijava.sjep;%0A%0A/**%0A * A mutable parse position. Similar to %7B@link java.text.ParsePosition%7D, but%0A * less complex.%0A *%0A * @author Curtis Rueden%0A */%0Apublic class Position %7B%0A%0A%09private int index;%0A%0A%09public int get() %7B%0A%09%09return index;%0A%09%7D%0A%0A%09public void set(final int index) %7B%0A%09%09this.index = index;%0A%09%7D%0A%0A%09public void inc() %7B%0A%09%09inc(1);%0A%09%7D%0A%0A%09public void inc(final int count) %7B%0A%09%09index += count;%0A%09%7D%0A%0A%09/** Throws %7B@link IllegalArgumentException%7D when syntax is incorrect. */%0A%09public void die(final String message) %7B%0A%09%09throw new IllegalArgumentException(messageWithDetails(message));%0A%09%7D%0A%0A%09/** Throws %7B@link IllegalStateException%7D if something goes wrong. */%0A%09public void assertThat(final boolean condition, final String message) %7B%0A%09%09if (condition) return;%0A%09%09fail(message);%0A%09%7D%0A%0A%09/** Throws %7B@link IllegalStateException%7D when something is wrong. */%0A%09public void fail(final String message) %7B%0A%09%09throw new IllegalStateException(messageWithDetails(message));%0A%09%7D%0A%0A%09// -- Object methods --%0A%0A%09@Override%0A%09public String toString() %7B%0A%09%09return %22%22 + get();%0A%09%7D%0A%0A%09// -- Helper methods --%0A%0A%09private String messageWithDetails(final String message) %7B%0A%09%09return message + %22 at index %22 + get();%0A%09%7D%0A%0A%7D%0A

Add a little helper for tracking parse position