@Override
void walk(ExpressionWalker w) throws ExpError {
subExp.walk(w);
subExp = w.updateRef(subExp);
w.visit(this);
}
@Override
void walk(ExpressionWalker w) throws ExpError {
for (int i = 0; i < args.size(); ++i) {
args.get(i).walk(w);
}
for (int i = 0; i < args.size(); ++i) {
args.set(i, w.updateRef(args.get(i)));
}
w.visit(this);
}
@Override
void walk(ExpressionWalker w) throws ExpError {
condExp.walk(w);
trueExp.walk(w);
falseExp.walk(w);
condExp = w.updateRef(condExp);
trueExp = w.updateRef(trueExp);
falseExp = w.updateRef(falseExp);
w.visit(this);
}
@Override
void walk(ExpressionWalker w) throws ExpError {
w.visit(this);
}