NodeTraversal.AbstractScopedCallback (Compiler)

Overview

Package

Class

Tree

Deprecated

Index

Help

PREV CLASS NEXT CLASS

FRAMES NO FRAMES

SUMMARY: NESTED | FIELD | CONSTR | METHOD

DETAIL: FIELD | CONSTR | METHOD

com.google.javascript.jscomp
Class NodeTraversal.AbstractScopedCallback

java.lang.Object
  com.google.javascript.jscomp.NodeTraversal.AbstractScopedCallback

All Implemented Interfaces:: NodeTraversal.Callback, NodeTraversal.ScopedCallback

Enclosing class:: NodeTraversal

public abstract static class NodeTraversal.AbstractScopedCallback
extends Object
implements NodeTraversal.ScopedCallback
extends Object
implements NodeTraversal.ScopedCallback

Abstract scoped callback to visit all nodes in post order.

Constructor Summary
`NodeTraversal.AbstractScopedCallback()`

Method Summary
`void`	`enterScope(NodeTraversal t)` Called immediately after entering a new scope.
`void`	`exitScope(NodeTraversal t)` Called immediately before exiting a scope.
`boolean`	`shouldTraverse(NodeTraversal nodeTraversal, Node n, Node parent)` Visits a node in pre order (before visiting its children) and decides whether this node's children should be traversed.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface com.google.javascript.jscomp.NodeTraversal.Callback
`visit`

Constructor Detail

NodeTraversal.AbstractScopedCallback

public NodeTraversal.AbstractScopedCallback()

Method Detail

shouldTraverse

public final boolean shouldTraverse(NodeTraversal nodeTraversal,
                                    Node n,
                                    Node parent)

Description copied from interface: NodeTraversal.Callback

Visits a node in pre order (before visiting its children) and decides whether this node's children should be traversed. If children are traversed, they will be visited by NodeTraversal.Callback.visit(NodeTraversal, Node, Node) in post order.

Implementations can have side effects (e.g. modifying the parse tree).

Specified by:: shouldTraverse in interface NodeTraversal.Callback

Returns:: whether the children of this node should be visited

enterScope

public void enterScope(NodeTraversal t)

Description copied from interface: NodeTraversal.ScopedCallback

Called immediately after entering a new scope. The new scope can be accessed through t.getScope()

Specified by:: enterScope in interface NodeTraversal.ScopedCallback

exitScope

public void exitScope(NodeTraversal t)