/**
* Registers and returns a new function call.
*
* @param ii input info
* @param nm function name
* @param id function id
* @param arg arguments
* @return new function call
*/
private UserFuncCall add(final InputInfo ii, final QNm nm, final int id, final Expr[] arg) {
final UserFuncCall call = new BaseFuncCall(ii, nm, arg);
// for dynamic calls
if (func[id].declared) call.init(func[id]);
calls[id] = Array.add(calls[id], call);
return call;
}
/**
* Checks if all functions have been correctly declared, and initializes all function calls.
*
* @throws QueryException query exception
*/
public void check() throws QueryException {
// initialize function calls
for (int i = 0; i < funcs.length; ++i) {
for (final UserFuncCall c : calls[i]) c.init(funcs[i]);
}
for (final UserFunc f : funcs) {
if (f.expr == null) EXTERNALFUNC.thrw(f.info, f.name.string());
if (!f.declared) {
// function has not been declared yet
for (final UserFunc uf : funcs) {
// check if another function with same name exists
if (f != uf && f.name.eq(uf.name)) FUNCTYPE.thrw(f.info, uf.name.string());
}
// if not, indicate that function is unknown
FUNCUNKNOWN.thrw(f.info, f.name.string());
}
}
}