#ifdef DEBUG_SYMBOL_TREE
FUNCDEF("find");
#endif
- if (comp == NIL) comp = astring_comparator;
+ if (comp == NULL_POINTER) comp = astring_comparator;
#ifdef DEBUG_SYMBOL_TREE
LOG(astring("finding node called ") + to_find);
#endif
// perform the upward recursion first, since it's pretty simple.
if (how == recurse_upward) {
symbol_tree *our_parent = dynamic_cast<symbol_tree *>(parent());
- if (!our_parent) return NIL; // done recursing.
+ if (!our_parent) return NULL_POINTER; // done recursing.
return our_parent->find(to_find, how, comp);
}
if (!found) {
if (how == recurse_downward) {
// see if we can't find that name in a sub-node.
- symbol_tree *answer = NIL;
+ symbol_tree *answer = NULL_POINTER;
for (int i = 0; i < branches(); i++) {
// we will try each branch in turn and see if it has a child named
// appropriately.
return answer;
}
}
- return NIL;
+ return NULL_POINTER;
}
return *found;
}