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Java 8 Reference Counting Code Utilities

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/*
 * Copyright (c) 2020 by Andrew Charneski.
 *
 * The author licenses this file to you 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.simiacryptus.ref.ops;

import com.simiacryptus.ref.core.ASTUtil;
import com.simiacryptus.ref.core.ProjectInfo;
import com.simiacryptus.ref.core.SymbolIndex;
import com.simiacryptus.ref.lang.RefAware;
import com.simiacryptus.ref.lang.RefIgnore;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jdt.core.dom.IMethodBinding;
import org.eclipse.jdt.core.dom.MethodDeclaration;
import org.eclipse.jdt.core.dom.SingleVariableDeclaration;

import javax.annotation.Nonnull;
import java.io.File;
import java.util.HashMap;
import java.util.List;
import java.util.Set;

@RefIgnore
public class AnnotateMethodCalls extends RefASTOperator {

  final HashMap> missingAttributes;

  public AnnotateMethodCalls(ProjectInfo projectInfo, @Nonnull CompilationUnit compilationUnit, @Nonnull File file, HashMap> missingAttributes) {
    super(projectInfo, compilationUnit, file);
    this.missingAttributes = missingAttributes;
  }

  @Override
  public void endVisit(@Nonnull MethodDeclaration node) {
    final IMethodBinding methodBinding = node.resolveBinding();
    if (null == methodBinding) {
      warn(node, "Unresolved binding");
      return;
    }
    final SymbolIndex.BindingID bindingID = SymbolIndex.getBindingID(methodBinding);
    if (missingAttributes.containsKey(bindingID)) {
      final List parameters = node.parameters();
      missingAttributes.get(bindingID).forEach(i -> {
        parameters.get(i).modifiers().add(ASTUtil.newMarkerAnnotation(ast, RefAware.class));
      });
    }
  }

}