* INVARIANT: after completion, getChild(min(i, numChildren())) == newnode
* WARNING: O(n) runtime, unless i == numChildren()
*/
- public void put(int i, Object value, TailCall tail) {
- if (i < 0) return;
+ public Object put(int i, Object value) {
+ if (i < 0) return null;
Trap t = value == null ? (Trap)get("childremoved", Trap.class) : (Trap)get("childadded", Trap.class);
if (value != null && !(value instanceof Box)) {
if (Log.on) Log.logJS(this, "attempt to set a numerical property on a box to a non-box");
- return;
+ return null;
}
if (redirect == null) {
- if (t != null) t.perform(value, tail);
+ if (t != null) return t.perform(value);
else if (Log.on) Log.logJS(this, "attempt to add/remove children to/from a node with a null redirect");
} else if (redirect != this) {
Box b = value == null ? (Box)redirect.get(i) : (Box)value;
// FIXME: what if both of them want a tailcall?
- redirect.put(i, value, tail);
- if (t != null) t.perform(value, tail);
+ redirect.put(i, value);
+ if (t != null) return t.perform(value);
} else if (value == null) {
if (i >= 0 && i < numChildren()) {
Box b = getChild(i);
b.remove();
- if (t != null) t.perform(b, tail);
+ if (t != null) return t.perform(b);
}
} else {
Box newnode = (Box)value;
for(Box cur = newnode.parent; cur != null; cur = cur.parent)
if (cur.redirect == newnode) {
if (Log.on) Log.logJS(this, "attempt to move a box that is the target of a redirect");
- return;
+ return null;
}
// check for recursive ancestor violation
if (cur == newnode) {
if (Log.on) Log.logJS(this, "attempt to make a node a parent of its own ancestor");
if (Log.on) Log.log(this, "box == " + this + " ancestor == " + newnode);
- return;
+ return null;
}
if (numKids > 15 && children == null) convert_to_array();
MARK_FOR_REFLOW_this;
newnode.dirty();
- if (t != null) t.perform(b, tail);
+ if (t != null) return t.perform(b);
}
+ return null;
}
public Object get(Object key, Object key2) { return super.get(key, key2); }
* @param rp if this put is being performed via a root proxy, rp is the root proxy.
*/
public void put_(Object name, Object value) { super.put(name, value); }
- public void put(Object name, Object value) { put(name, value, null, false); } // FIXME: correct?
- public void put(Object name, Object value, TailCall tail) { put(name, value, tail, false); }
- public void put(Object name_, Object value, TailCall tail, boolean ignoretraps) {
- if (name_ instanceof Number) { put(((Number)name_).intValue(), value, tail); }
- if (!(name_ instanceof String)) { super.put(name_,value); return; }
+ public Object put(Object name, Object value) { return put(name, value, false); }
+ public Object put(Object name_, Object value, boolean ignoretraps) {
+ if (name_ instanceof Number) { return put(((Number)name_).intValue(), value); }
+ if (!(name_ instanceof String)) { return super.put(name_,value); }
String name = name_.toString();
if (!ignoretraps) {
Trap t = (Trap)get(name, Trap.class);
- if (t != null) { t.perform(value, tail); return; }
+ if (t != null) return t.perform(value);
}
SpecialBoxProperty gph = (SpecialBoxProperty)SpecialBoxProperty.specialBoxProperties.get(name);
- if (gph != null) { gph.put(name, this, value); return; }
+ if (gph != null) { gph.put(name, this, value); return null; }
- super.put(name, value);
+ return super.put(name, value);
}