/// <summary> Object Literals
/// <BR> CreateObjectLiteral rewrites its argument as object
/// creation plus object property entries, so later compiler
/// stages don't need to know about object literals.
/// </summary>
internal Node CreateObjectLiteral(ObjArray elems)
{
int size = elems.size () / 2;
Node obj = new Node (Token.OBJECTLIT);
object [] properties;
if (size == 0) {
properties = ScriptRuntime.EmptyArgs;
}
else {
properties = new object [size];
for (int i = 0; i != size; ++i) {
properties [i] = elems.Get (2 * i);
Node value = (Node)elems.Get (2 * i + 1);
obj.addChildToBack (value);
}
}
obj.putProp (Node.OBJECT_IDS_PROP, properties);
return obj;
}
internal Node CreateArrayLiteral(ObjArray elems, int skipCount)
{
int length = elems.size ();
int [] skipIndexes = null;
if (skipCount != 0) {
skipIndexes = new int [skipCount];
}
Node array = new Node (Token.ARRAYLIT);
for (int i = 0, j = 0; i != length; ++i) {
Node elem = (Node)elems.Get (i);
if (elem != null) {
array.addChildToBack (elem);
}
else {
skipIndexes [j] = i;
++j;
}
}
if (skipCount != 0) {
array.putProp (Node.SKIP_INDEXES_PROP, skipIndexes);
}
return array;
}