@SuppressWarnings("unchecked")
@Predicate(name = "map_set", arity = 3)
public AbstractGoal putMap(JavaCallGoal goal) throws Exception {
((java.util.Map<Object, Object>) goal.getArg(0)).put(goal.getArg(1), goal.getArg(2));
return goal.G;
}
@Predicate(name = "arg", arity = 3)
public AbstractGoal arg(JavaCallGoal goal) throws Exception {
// FIXME check overflow???
int arg = (int) goal.getLongArg(0);
RuntimeStruct term = goal.getStructArg(1);
return goal.unify(2, term.data[arg]);
}
@Predicate(name = "copy_term", arity = 2)
public AbstractGoal copyTerm(JavaCallGoal goal) throws Exception {
Object left = RuntimeVariable.copyTerm(goal.getArg(0));
if (!goal.Q.unify(left, goal.getArg(1))) {
return goal.Q.backtrack();
}
return goal.G;
}
@Predicate(name = "functor_ioo", arity = 3)
public AbstractGoal functor_ioo(JavaCallGoal goal) throws Exception {
RuntimeStruct struct = goal.getStructArg(0);
Integer arity = struct.data.length - 1;
String functor = (String) struct.data[0];
if (goal.Q.unify(goal.getArg(1), functor) && goal.Q.unify(goal.getArg(2), arity)) {
return goal.G;
} else {
return goal.Q.backtrack();
}
}
@SuppressWarnings("unchecked")
@Predicate(name = "map_get", arity = 3)
public AbstractGoal getMap(JavaCallGoal goal) throws Exception {
Object a3 = goal.getArg(2);
Object o = ((java.util.Map<Object, Object>) goal.getArg(0)).get(goal.getArg(1));
if (goal.Q.unify(a3, o)) {
return goal.G;
} else {
return goal.Q.backtrack();
}
}
/** Assumes that the first argument is certanly variable. */
@Predicate(name = "functor_vii", arity = 3)
public AbstractGoal functor_vii(JavaCallGoal goal) throws Exception {
// FIXME check overflow?
Integer arity = (int) goal.getLongArg(2);
String functor = (String) goal.getStringArg(1);
Object[] data = new Object[arity + 1];
for (int i = 0; i < arity; i++) {
data[i + 1] = new RuntimeVariable();
}
data[0] = functor;
goal.setVar(0, new RuntimeStruct(data));
return goal.G;
}
@Predicate(name = "functor", arity = 3)
public AbstractGoal functor(JavaCallGoal goal) throws Exception {
if (goal.getArg(0).getClass() == RuntimeVariable.class) {
return functor_vii(goal);
} else {
return functor_ioo(goal);
}
}
@Predicate(name = "var", arity = 1)
public AbstractGoal var(JavaCallGoal goal) throws Exception {
Object a1 = goal.getArg(0);
if (a1.getClass() == RuntimeVariable.class) {
return goal.G;
} else {
return goal.Q.backtrack();
}
}
@Predicate(name = "map_new", arity = 1)
public AbstractGoal newMap(JavaCallGoal goal) throws Exception {
goal.setVar(0, new HashMap<Object, Object>());
return goal.G;
}