de.projectory.koivima.core
Class Operator

java.lang.Object
  de.projectory.koivima.core.Element
      de.projectory.koivima.core.Operator

Direct Known Subclasses:

Add, BranchOnCondition, Copy, Delete, Equals, Evaluate, ForEach, GreaterThan, IncA, Jump, JumpOnCondition, JumpOnNotCondition, LessThan, MoveA, Nop, Not, Print, PrintA, PrintHello, PrintLine, PrintLine, Range, StoreA, Sub

public abstract class Operator
extends Element

Super class for all operators.

Field Summary

Fields inherited from class de.projectory.koivima.core.Element

context

Constructor Summary

Operator()

Method Summary

protected Element	pop() Removes an Element from the top of the stack.
protected DataElement	popDataElement() Fetches a DataElement from the stack and checks for type safety.
protected java.lang.Integer	popInteger() Fetches an Integer from the stack and checks for type safety.
protected java.lang.String	popString() Fetches a String from the stack and checks for type safety.
protected void	push(Element element) Puts an Element onto the stack and provides it with the right ExecutionContext.
java.lang.String	toString() Returns a String representation of this Operator.

Methods inherited from class de.projectory.koivima.core.Element

execute, getExecutionContext, setExecutionContext

Methods inherited from class java.lang.Object

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

Constructor Detail

Operator

public Operator()

Method Detail

push

protected void push(Element element)

Puts an Element onto the stack and provides it with the right ExecutionContext. Stack: ... => ... element

pop

protected Element pop()

Removes an Element from the top of the stack. Stack: ... a => ...

popDataElement

protected DataElement popDataElement()

Fetches a DataElement from the stack and checks for type safety. Stack: ... a => ...

popInteger

protected java.lang.Integer popInteger()

Fetches an Integer from the stack and checks for type safety. Stack: ... a => ...

popString

protected java.lang.String popString()

Fetches a String from the stack and checks for type safety. Stack: ... a => ...

toString

public java.lang.String toString()

Returns a String representation of this Operator.

Overrides:

toString in class java.lang.Object