private class SymbolTable.ThisRefCollector extends NodeTraversal.AbstractScopedCallback implements CompilerPass
Modifier and Type | Field and Description |
---|---|
private AbstractCompiler |
compiler |
private java.util.List<SymbolTable.Symbol> |
thisStack |
Constructor and Description |
---|
ThisRefCollector(AbstractCompiler compiler) |
Modifier and Type | Method and Description |
---|---|
void |
enterScope(NodeTraversal t)
Called immediately after entering a new scope.
|
void |
exitScope(NodeTraversal t)
Called immediately before exiting a scope.
|
void |
process(Node externs,
Node root)
Process the JS with root node root.
|
void |
visit(NodeTraversal t,
Node n,
Node parent)
Visits a node in postorder (after its children have been visited).
|
shouldTraverse
private final AbstractCompiler compiler
private final java.util.List<SymbolTable.Symbol> thisStack
ThisRefCollector(AbstractCompiler compiler)
public void process(Node externs, Node root)
CompilerPass
process
in interface CompilerPass
externs
- Top of external JS treeroot
- Top of JS treepublic void enterScope(NodeTraversal t)
NodeTraversal.ScopedCallback
enterScope
in interface NodeTraversal.ScopedCallback
enterScope
in class NodeTraversal.AbstractScopedCallback
public void exitScope(NodeTraversal t)
NodeTraversal.ScopedCallback
exitScope
in interface NodeTraversal.ScopedCallback
exitScope
in class NodeTraversal.AbstractScopedCallback
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).
visit
in interface NodeTraversal.Callback