Package com.singularsys.extexamples.consoles

Class XJepConsole

java.lang.Object

com.singularsys.jepexamples.consoles.Console

com.singularsys.extexamples.consoles.XJepConsole

public class XJepConsole
extends Console

A Console application show the symbolic capabilities of the XJep, PolynomialCreator, and ExpressionCleaner including functions for simplification, expansion comparison and conversion to arrays of coefficients.

Nested Class Summary

Nested classes/interfaces inherited from class com.singularsys.jepexamples.consoles.Console

Console.JepOutputStream, Console.JepPrintStream, Console.NodeRes, Console.SPEC_ACTION

Field Summary

Fields inherited from class com.singularsys.jepexamples.consoles.Console

altered, doubleFormat, history, jep, showHistory

Constructor Summary

Constructors

Constructor	Description
XJepConsole()

Method Summary

Modifier and Type	Method	Description
String	getPrompt()	Prints the prompt string.
void	initialise()	sets up all the needed objects.
static void	main(String[] args)	Creates a new Console object and calls run()
void	printHelp()	Print help message.
void	printIntroText()	Prints introductory text.
Object	processEquation(Node node)	Performs the required operation on a node.
void	setMonitor(String[] args)	Sets up monitoring of the call tree.

Methods inherited from class com.singularsys.jepexamples.consoles.Console

clearVars, finaliseCommand, getCommand, getHistory, getJep, handleError, inputLoop, parseEvaluate, print, printFunctionEntry, printFuns, printHistory, println, printOps, printStdHelp, printVars, processCommand, run, setAlteredCommand, setEvaluator, setFormat, setFormat, setIndexShift, showCalls, showTree, split, testSpecialCommands, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

XJepConsole

public XJepConsole()

Method Details

initialise

public void initialise()

Description copied from class: Console

sets up all the needed objects.

Overrides:

initialise in class Console

processEquation

public Object processEquation(Node node)
                       throws JepException

Description copied from class: Console

Performs the required operation on a node. Typically, evaluates the node and prints the value.

Overrides:

processEquation in class Console

Parameters:

node - Node representing expression

Returns:

The result of the calculation

Throws:

JepException - if a Parse or evaluation error

setMonitor

public void setMonitor(String[] args)

Description copied from class: Console

Sets up monitoring of the call tree. Calls Console.setEvaluator(Evaluator) with a MonitoringEvaluator, sub-classes may need to override this method disable this feature.

Overrides:

setMonitor in class Console

Parameters:

args - second argument can be one of "off", "calls" or "times"

getPrompt

public String getPrompt()

Prints the prompt string.

Overrides:

getPrompt in class Console

printIntroText

public void printIntroText()

Prints introductory text.

Overrides:

printIntroText in class Console

printHelp

public void printHelp()

Description copied from class: Console

Print help message.

Overrides:

printHelp in class Console

main

public static void main(String[] args)

Creates a new Console object and calls run()