engine
Class InstructionDescription

java.lang.Object
  |
  +--engine.InstructionDescription

Direct Known Subclasses:

AtInstructionDescription, BlockDescription, CaseInstructionDescription, CoutTaskDescription, DisplayTaskDescription, EmptyInstructionDescription, FinishTaskDescription, ForeverInstructionDescription, ForInstructionDescription, ForkDescription, IfInstructionDescription, ProcAssignInstrucDescription, RepeatInstructionDescription, TaskInstructionDescription, WaitInstructionDescription, WhileInstructionDescription

public abstract class InstructionDescription

extends java.lang.Object

implements java.io.Serializable

The description of an instruction (i.e. the instruction in terms of uninstantiated stuff (symbol names, module description, etc.))

See Also:

Serialized Form

Field Summary

(package private) int	delayBefore
(package private) int	line the line at wich this instruction is located
InstructionDescription	next the next instruction
(package private) NameSpaceDescription	nsd the NameSpace that contains this instruction

Constructor Summary

(package private)

InstructionDescription(int delayBefore, int line, NameSpaceDescription nsd)

Method Summary

(package private) void	add(InstructionDescription next) adds 'next' to this execution queue
(package private) abstract DefaultInstruction	instantiate(NameSpace ns)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

next

public InstructionDescription next

the next instruction

delayBefore

int delayBefore

nsd

NameSpaceDescription nsd

the NameSpace that contains this instruction

line

int line

the line at wich this instruction is located

Constructor Detail

InstructionDescription

InstructionDescription(int delayBefore,
                       int line,
                       NameSpaceDescription nsd)

Method Detail

add

void add(InstructionDescription next)

adds 'next' to this execution queue

instantiate

abstract DefaultInstruction instantiate(NameSpace ns)
                                 throws ParseException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object