Package 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
Abstract scoped callback to visit all nodes in post order.
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionvoid
Called immediately after entering a new scope.void
Called immediately before exiting a scope.final 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
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Constructor Details
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AbstractScopedCallback
public AbstractScopedCallback()
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Method Details
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shouldTraverse
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 interfaceNodeTraversal.Callback
- Returns:
- whether the children of this node should be visited
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enterScope
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 interfaceNodeTraversal.ScopedCallback
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exitScope
Description copied from interface:NodeTraversal.ScopedCallback
Called immediately before exiting a scope. The ending scope can be accessed through t.getScope()- Specified by:
exitScope
in interfaceNodeTraversal.ScopedCallback
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