@Override
public int exprSize() {
int sz = 1;
if (occ != null) for (final Expr o : occ) sz += o.exprSize();
for (final Expr e : exprs) sz += e.exprSize();
return sz + query.exprSize();
}
@Override
public FTWords compile(final QueryContext qc, final VarScope scp) throws QueryException {
if (occ != null) {
final int ol = occ.length;
for (int o = 0; o < ol; ++o) occ[o] = occ[o].compile(qc, scp);
}
// compile only once
if (tokens == null) {
query = query.compile(qc, scp);
if (query.isValue()) tokens = tokens(qc);
// choose fast evaluation for default settings
fast = mode == FTMode.ANY && tokens != null && occ == null;
if (ftt == null) ftt = new FTTokenizer(this, qc);
}
return this;
}
@Override
public FTExpr inline(final QueryContext qc, final VarScope scp, final Var var, final Expr ex)
throws QueryException {
boolean change = occ != null && inlineAll(qc, scp, occ, var, ex);
final Expr q = query.inline(qc, scp, var, ex);
if (q != null) {
query = q;
change = true;
}
return change ? optimize(qc, scp) : null;
}
@Override
public FTExpr copy(final QueryContext qc, final VarScope scp, final IntObjMap<Var> vs) {
final FTWords ftw =
new FTWords(
info,
query.copy(qc, scp, vs),
mode,
occ == null ? null : Arr.copyAll(qc, scp, vs, occ));
if (ftt != null) ftw.ftt = ftt.copy(ftw);
ftw.tokens = tokens;
ftw.data = data;
ftw.first = first;
ftw.pos = pos;
ftw.fast = fast;
return ftw;
}
@Override
public boolean accept(final ASTVisitor visitor) {
return super.accept(visitor)
&& query.accept(visitor)
&& (occ == null || visitAll(visitor, occ));
}
@Override
public VarUsage count(final Var var) {
return occ != null ? VarUsage.sum(var, occ).plus(query.count(var)) : query.count(var);
}
@Override
public boolean removable(final Var var) {
if (occ != null) for (final Expr o : occ) if (!o.removable(var)) return false;
return query.removable(var);
}
@Override
public boolean has(final Flag flag) {
if (occ != null) for (final Expr o : occ) if (o.has(flag)) return true;
return query.has(flag);
}