gnu.prolog.vm.interpreter.instruction
Class IPushConstant

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

All Implemented Interfaces:

Installable

public class IPushConstant
extends Instruction

push constant term

Field Summary

AtomicTerm

term term to push

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

codePosition

Constructor Summary

IPushConstant(AtomicTerm term)
a constructor

Method Summary

int	execute(ExecutionState state, BacktrackInfo bi) execute call instruction within specified sate
String	toString() convert instruction to string

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

install, uninstall

Methods inherited from class java.lang.Object

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

Field Detail

term

public AtomicTerm term

term to push

Constructor Detail

IPushConstant

public IPushConstant(AtomicTerm term)

a constructor

Parameters:

term -

Method Detail

execute

public int execute(ExecutionState state,
                   BacktrackInfo bi)
            throws PrologException

execute call instruction within specified sate

Specified by:

execute in class Instruction

Parameters:

state - state within which instruction will be executed

Returns:

instruction to caller how to execute next instruction

Throws:

PrologException - if code is throwing prolog exception

toString

public String toString()

convert instruction to string

Overrides:

toString in class Object