Package com.google.javascript.jscomp
Class NodeTraversal.AbstractScopedCallback
- java.lang.Object
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- com.google.javascript.jscomp.NodeTraversal.AbstractScopedCallback
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- All Implemented Interfaces:
NodeTraversal.Callback
,NodeTraversal.ScopedCallback
- Enclosing class:
- NodeTraversal
public abstract static class NodeTraversal.AbstractScopedCallback extends java.lang.Object implements NodeTraversal.ScopedCallback
Abstract scoped callback to visit all nodes in post order.
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Constructor Summary
Constructors Constructor Description AbstractScopedCallback()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description 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
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Methods inherited from interface com.google.javascript.jscomp.NodeTraversal.Callback
visit
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Method Detail
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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 interfaceNodeTraversal.Callback
- Returns:
- whether the children of this node should be visited
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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 interfaceNodeTraversal.ScopedCallback
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exitScope
public void exitScope(NodeTraversal t)
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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