/* * Copyright (c) 2008 * by Fachhochschule Gießen-Friedberg University of Applied Sciences. * * mmp 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. * * mmp 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, USA * -------------------------------------------------------------------------- * $Id: package-info.java 338 2008-07-01 08:06:00Z brenz $ * -------------------------------------------------------------------------- */

The MNI Integer Calculator MIC.

The MNI Integer Calculator MIC is an implementation of the functionality of M4's eval in Java.

Usage

MIC can be used as an embedded calculator


  // Instantiate mic 

  Mic mic = new Mic(); 

  // calculate 

  int result = mic.calculate( "10*5-3" ); 

  // use result 

  ...

There is also a command line interface to MIC

The invocation with arguments gives the result of the computation.


  java mic.cli.mic 10 * 5 - 3 

  47

The invocation without arguments starts mic in interactive mode.


  java mic.cli.mic 

  mic - the MNI integer calculator, rev 1.0 

  mic - interactiv mode - enter q to quit 

  mic %

Grammar and Operators in mic

Expression comprise integer literals like "3", parenthesis "(" and ")" and the following operators

Unary Operators

+	Plus sign
-	Minus sign
~	Bitwise negation
!	Logical negation

Binary Operators

Precedence	Operator	Meaning	Associativity
high	**	Power	right
	*	Multiplication	left
	/	Division	left
	%	Modulo	left
	+	Addition	left
	-	Substraction	left
	<<	Left shift	left
	>>	Right shift	left
	<	Less than	left
	>	Greater than	left
	<=	Less or equal	left
	>=	Greater or equal	left
	==	Equal	left
	!=	Not equal	left
	&	Bitwise and	left
	^	Bitwise xor	left
	\|	Bitwise or	left
	&&	Logical and	left
low	\|\|	Logical or	left