toolbus.process
Class IfElse

java.lang.Object
  toolbus.process.ProcessExpression
      toolbus.process.IfElse

Direct Known Subclasses:

IfThen

public class IfElse
extends ProcessExpression

IfElse is the abstract syntax operator for the if-then-else-fi operator in Tscripts. It is compiled away and does not exist during execution.

Field Summary

private Environment	env
private ProcessExpression	left
private ProcessExpression	right
private aterm.ATerm	test

Fields inherited from class toolbus.process.ProcessExpression

posInfo, tbfactory

Constructor Summary

IfElse(aterm.ATerm test, ProcessExpression Pthen, ProcessExpression Pelse, TBTermFactory tbfactory, PositionInformation posInfo)

Method Summary

protected void	compile(ProcessInstance P, java.util.Stack<java.lang.String> calls, State follows)
protected void	computeFirst()
protected ProcessExpression	copy()
AtomList	getAtoms()
protected void	replaceFormals(Environment e)
java.lang.String	toString()

Methods inherited from class toolbus.process.ProcessExpression

addToFirst, addToFollow, getFirst, getFollow, getPosInfo, setFirst, setFollow

Methods inherited from class java.lang.Object

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

Field Detail

test

private final aterm.ATerm test

left

private final ProcessExpression left

right

private final ProcessExpression right

env

private Environment env

Constructor Detail

IfElse

public IfElse(aterm.ATerm test,
              ProcessExpression Pthen,
              ProcessExpression Pelse,
              TBTermFactory tbfactory,
              PositionInformation posInfo)

Method Detail

copy

protected ProcessExpression copy()

Specified by:

copy in class ProcessExpression

computeFirst

protected void computeFirst()

Specified by:

computeFirst in class ProcessExpression

replaceFormals

protected void replaceFormals(Environment e)
                       throws ToolBusException

Specified by:

replaceFormals in class ProcessExpression

Throws:

ToolBusException

compile

protected void compile(ProcessInstance P,
                       java.util.Stack<java.lang.String> calls,
                       State follows)
                throws ToolBusException

Specified by:

compile in class ProcessExpression

Throws:

ToolBusException

getAtoms

public AtomList getAtoms()

Specified by:

getAtoms in class ProcessExpression

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object