@Override
public Expr copy(final QueryContext ctx, final VarScope scp, final IntObjMap<Var> vs) {
final Expr[] copy = copyAll(ctx, scp, vs, expr);
final int last = copy.length - 1;
final Expr[] args = Arrays.copyOf(copy, last);
final DynFuncCall call = new DynFuncCall(info, sc, updating, copy[last], args);
if (inlinedFrom != null) call.inlinedFrom = inlinedFrom.clone();
return copyType(call);
}
@Override
public Expr optimize(final QueryContext ctx, final VarScope scp) throws QueryException {
final int ar = expr.length - 1;
final Expr f = expr[ar];
final Type t = f.type().type;
if (t instanceof FuncType) {
final FuncType ft = (FuncType) t;
if (ft.args != null && ft.args.length != ar) throw INVARITY.get(info, f, ar);
if (ft.ret != null) type = ft.ret;
}
if (f instanceof XQFunctionExpr) {
// maps can only contain fully evaluated Values, so this is safe
if (allAreValues() && f instanceof Map) return optPre(value(ctx), ctx);
// try to inline the function
if (!(f instanceof FuncItem && comesFrom((FuncItem) f)) && !updating) {
final Expr[] args = Arrays.copyOf(expr, expr.length - 1);
final Expr inl = ((XQFunctionExpr) f).inlineExpr(args, ctx, scp, info);
if (inl != null) return inl;
}
}
return this;
}
@Override
protected void rehash() {
super.rehash();
funcs = Arrays.copyOf(funcs, size << 1);
}
@Override
public void checkUp() throws QueryException {
checkNoneUp(Arrays.copyOf(expr, expr.length - 1));
}