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Closure Compiler is a JavaScript optimizing compiler. It parses your JavaScript, analyzes it, removes dead code and rewrites and minimizes what's left. It also checks syntax, variable references, and types, and warns about common JavaScript pitfalls. It is used in many of Google's JavaScript apps, including Gmail, Google Web Search, Google Maps, and Google Docs.

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/*
 * Copyright 2007 The Closure Compiler Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.javascript.jscomp;

import com.google.javascript.jscomp.NodeTraversal.AbstractPostOrderCallback;
import com.google.javascript.rhino.Node;

/**
 * Traversal callback that finds method invocations of the form
 *
 * 
 * call
 *   getprop
 *     ...
 *     string
 *   ...
 * 
* * and invokes a method defined by subclasses for processing these invocations. */ abstract class InvocationsCallback extends AbstractPostOrderCallback { @Override public void visit(NodeTraversal t, Node n, Node parent) { if (!n.isCall()) { return; } Node callee = n.getFirstChild(); if (!callee.isGetProp()) { return; } visit(t, n, parent, callee.getString()); } /** * Called for each callnode that is a method invocation. * * @param callNode node of type call * @param parent parent of callNode * @param callName name of method invoked by first child of call */ abstract void visit(NodeTraversal t, Node callNode, Node parent, String callName); }




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