package jp.ac.kobe_u.cs.prolog.builtin;
import jp.ac.kobe_u.cs.prolog.lang.Predicate;
import jp.ac.kobe_u.cs.prolog.lang.Prolog;
import jp.ac.kobe_u.cs.prolog.lang.Term;
/*
This file is generated by Prolog Cafe.
PLEASE DO NOT EDIT!
*/
/**
<code>atom/1</code> defined in builtins.pl<br>
@author Mutsunori Banbara (banbara@kobe-u.ac.jp)
@author Naoyuki Tamura (tamura@kobe-u.ac.jp)
@version 1.0
*/
public class PRED_atom_1 extends Predicate {
public Term arg1;
public PRED_atom_1(Term a1, Predicate cont) {
arg1 = a1;
this.cont = cont;
}
public PRED_atom_1(){}
public void setArgument(Term[] args, Predicate cont) {
arg1 = args[0];
this.cont = cont;
}
public int arity() { return 1; }
public String toString() {
return "atom(" + arg1 + ")";
}
public Predicate exec(Prolog engine) {
// atom(A):-atom(A)
engine.setB0();
Term a1;
a1 = arg1;
// atom(A):-[atom(A)]
//START inline expansion of atom(a(1))
a1 = a1.dereference();
if (! a1.isSymbol()) {
return engine.fail();
}
//END inline expansion
return cont;
}
}