/** {@inheritDoc} */
public String getDocComment() {
// Our doc comment is contained in a map in our toplevel,
// indexed by our tree. Find our enter environment, which gives
// us our toplevel. It also gives us a tree that contains our
// tree: walk it to find our tree. This is painful.
Env<AttrContext> enterEnv = getEnterEnv();
if (enterEnv == null) return null;
JCTree tree = TreeInfo.declarationFor(sym, enterEnv.tree);
return enterEnv.toplevel.docComments.get(tree);
}
