private class RescopeGlobalSymbols.RemoveGlobalVarCallback extends NodeTraversal.AbstractShallowStatementCallback
var NS.a = 1, NS.b = 2;becomes
NS.a = 1; NS.b = 2;
for (var a = 0, b = 0;;)becomes
for (NS.a = 0, NS.b = 0;;)Declarations without assignments are optimized away:
var a = 1, b;becomes
NS.a = 1
Modifier | Constructor and Description |
---|---|
private |
RemoveGlobalVarCallback() |
Modifier and Type | Method and Description |
---|---|
private Node |
joinOnComma(java.util.List<Node> commas,
Node source) |
void |
visit(NodeTraversal t,
Node n,
Node parent)
Visits a node in postorder (after its children have been visited).
|
shouldTraverse
public void visit(NodeTraversal t, Node n, Node parent)
NodeTraversal.Callback
Visits a node in postorder (after its children have been visited).
A node is visited only if all its parents should be traversed
(NodeTraversal.Callback.shouldTraverse(NodeTraversal, Node, Node)
).
Implementations can have side effects (e.g. modifying the parse tree).