gnu.prolog.vm.interpreter.instruction
Class RetryInstruction

java.lang.Object
  gnu.prolog.vm.interpreter.instruction.Instruction
      gnu.prolog.vm.interpreter.instruction.RetryInstruction

All Implemented Interfaces:

Installable

Direct Known Subclasses:

IRetryMeElse, ITryMeElse

public abstract class RetryInstruction
extends Instruction

base class to try_me_else and retry_me_else instructions. it exists only for purposes of code generation.

Field Summary

int	retryPosition position to go to on retry, it always points to either retry_me_else or to trust_me instructions

Fields inherited from class gnu.prolog.vm.interpreter.instruction.Instruction

codePosition

Constructor Summary

RetryInstruction(int retryPosition)
a constructor

Method Summary

Methods inherited from class gnu.prolog.vm.interpreter.instruction.Instruction

execute, install, uninstall

Methods inherited from class java.lang.Object

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

Field Detail

retryPosition

public int retryPosition

position to go to on retry, it always points to either retry_me_else or to trust_me instructions

Constructor Detail

RetryInstruction

public RetryInstruction(int retryPosition)

a constructor

Parameters:

retryPosition -