Package com.singularsys.extexamples.consoles

Class RpEvalConsole

java.lang.Object

com.singularsys.jepexamples.consoles.Console

com.singularsys.extexamples.consoles.RpEvalConsole

public class RpEvalConsole
extends Console

Console using the ReEval class rather than the RpEvaluator wrapper.

Author:

Richard Morris

See Also:

• RpEval

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
RpEvalConsole()

Method Summary

Modifier and Type	Method	Description
void	initialise()	sets up all the needed objects.
static void	main(String[] args)
void	printIntroText()	Prints introductory text.
Object	processEquation(Node node)	Performs the required operation on a node.
void	setEvaluator(Evaluator ev)	Sets the evaluator used.
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, getPrompt, handleError, inputLoop, parseEvaluate, print, printFunctionEntry, printFuns, printHelp, printHistory, println, printOps, printStdHelp, printVars, processCommand, run, setAlteredCommand, 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

RpEvalConsole

public RpEvalConsole()

Method Details

initialise

public void initialise()

Description copied from class: Console

sets up all the needed objects.

Overrides:

initialise in class Console

main

public static void main(String[] args)

Parameters:

args -

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

printIntroText

public void printIntroText()

Description copied from class: Console

Prints introductory text.

Overrides:

printIntroText in class Console

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"

setEvaluator

public void setEvaluator(Evaluator ev)

Description copied from class: Console

Sets the evaluator used. Default method simple calls Jep.setComponent(com.singularsys.jep.JepComponent) with the evaluator.

Overrides:

setEvaluator in class Console

Parameters:

ev - the evaluator to use