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ProGuardCORE is a free library to read, analyze, modify, and write Java class files.

There is a newer version: 9.1.6

/*
 * ProGuardCORE -- library to process Java bytecode.
 *
 * Copyright (c) 2002-2021 Guardsquare NV
 *
 * 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 proguard.analysis;

import proguard.analysis.datastructure.callgraph.Call;
import proguard.evaluation.TracedStack;
import proguard.evaluation.TracedVariables;

/**
 * This handler is invoked by the {@link CallResolver} whenever new method calls have been resolved
 * in the code.
 */
public interface CallHandler {

  /**
   * Will be called for every newly discovered method call in the code.
   *
   * @param call The {@link Call} that was found
   * @param stack stack state before the call
   * @param localVariables local variables array state before the call
   */
  void handleCall(Call call, TracedStack stack, TracedVariables localVariables);
}