GNU Prolog for Java

gnu.prolog.vm.buildins.termcreation
Class Predicate_functor

java.lang.Object
  extended by gnu.prolog.vm.ExecuteOnlyCode
      extended by gnu.prolog.vm.buildins.termcreation.Predicate_functor
All Implemented Interfaces:
Installable, PrologCode

public class Predicate_functor
extends ExecuteOnlyCode

prolog code


Field Summary
static IntegerTerm zero
          constant used in predicate
 
Fields inherited from interface gnu.prolog.vm.PrologCode
FAIL, HALT, SUCCESS, SUCCESS_LAST
 
Constructor Summary
Predicate_functor()
           
 
Method Summary
 int execute(Interpreter interpreter, boolean backtrackMode, Term[] args)
          this method is used for execution of code
 
Methods inherited from class gnu.prolog.vm.ExecuteOnlyCode
install, uninstall
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

zero

public static final IntegerTerm zero
constant used in predicate

Constructor Detail

Predicate_functor

public Predicate_functor()
Method Detail

execute

public int execute(Interpreter interpreter,
                   boolean backtrackMode,
                   Term[] args)
            throws PrologException
Description copied from interface: PrologCode
this method is used for execution of code

Specified by:
execute in interface PrologCode
Specified by:
execute in class ExecuteOnlyCode
Parameters:
interpreter - interpreter in which context code is executed
backtrackMode - true if predicate is called on backtracking and false otherwise
args - arguments of code
Returns:
either SUCCESS, SUCCESS_LAST, or FAIL.
Throws:
PrologException

GNU Prolog for Java