Package com.singularsys.jeptests.system

Class BugsTest.StackMessingFunc

java.lang.Object

com.singularsys.jep.functions.PostfixMathCommand

com.singularsys.jeptests.system.BugsTest.StackMessingFunc

All Implemented Interfaces:

PostfixMathCommandI, java.io.Serializable

Enclosing class:

BugsTest

public static class BugsTest.StackMessingFunc
extends PostfixMathCommand

A function which can incorrectly read the stack. Last argument controls how many items to pop off the stack

See Also:

Serialized Form

Field Summary

Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand

curNumberOfParameters, name, NaN, numberOfParameters

Constructor Summary

Constructors

Constructor	Description
StackMessingFunc()

Method Summary

Modifier and Type	Method	Description
void	run(java.util.Stack<java.lang.Object> stack)	Throws an exception because this method should never be called under normal circumstances.

Methods inherited from class com.singularsys.jep.functions.PostfixMathCommand

asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, checkNumberOfParameters, getName, getNumberOfParameters, setCurNumberOfParameters, setName, toString, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

StackMessingFunc

public StackMessingFunc()

Method Detail

run

public void run(java.util.Stack<java.lang.Object> stack)
         throws EvaluationException

Description copied from class: PostfixMathCommand

Throws an exception because this method should never be called under normal circumstances. Each function should use it's own run() method for evaluating the function. This includes popping off the parameters from the stack, and pushing the result back on the stack.

Specified by:

run in interface PostfixMathCommandI

Overrides:

run in class PostfixMathCommand

Parameters:

stack - arguments for function

Throws:

EvaluationException - if function cannot be evaluated