@Override
public Expr copy(final QueryContext ctx, final VarScope o, final IntObjMap<Var> vs) {
final VarScope scp = new VarScope();
final Var[] arg = new Var[args.length];
for (int i = 0; i < arg.length; i++) vs.put(args[i].id, arg[i] = scp.newCopyOf(ctx, args[i]));
final Expr call = expr.copy(ctx, scp, vs);
return new FuncLit(name, arg, call, (FuncType) type.type, scp, sc, info);
}
@Override
public Expr copy(final QueryContext qc, final VarScope scp, final IntObjMap<Var> vs) {
final Var v = scp.addCopy(var, qc);
vs.put(var.id, v);
final Spec spec = new Spec(info, v, expr.copy(qc, scp, vs), coll);
spec.occluded = occluded;
return spec;
}
@Override
public void compile(final QueryContext ctx) throws QueryException {
if (compiled) return;
compiled = true;
if (check) {
final StaticFunc sf = ctx.funcs.get(name, args.length, info);
if (sf == null) throw Err.FUNCUNKNOWN.thrw(info, name.string());
type = sf.funcType().seqType();
}
final int fp = scope.enter(ctx);
try {
expr = expr.compile(ctx, scope);
expr.markTailCalls();
} finally {
scope.cleanUp(this);
scope.exit(ctx, fp);
}
}
@Override
public GroupBy copy(final QueryContext qc, final VarScope scp, final IntObjMap<Var> vs) {
// copy the pre-grouping expressions
final Expr[] pEx = Arr.copyAll(qc, scp, vs, preExpr);
// create fresh copies of the post-grouping variables
final Var[] ps = new Var[post.length];
final int pl = ps.length;
for (int p = 0; p < pl; p++) {
final Var old = post[p];
ps[p] = scp.addCopy(old, qc);
vs.put(old.id, ps[p]);
}
// done
return new GroupBy(Arr.copyAll(qc, scp, vs, specs), pEx, ps, nonOcc, info);
}
@Override
public Count copy(final QueryContext qc, final VarScope scp, final IntObjMap<Var> vs) {
final Var v = scp.newCopyOf(qc, var);
vs.put(var.id, v);
return new Count(v, info);
}