src/main/java/com/android/tools/r8/horizontalclassmerging/policies/NoKotlinLambdas.java

// Copyright (c) 2020, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

package com.android.tools.r8.horizontalclassmerging.policies;

import com.android.tools.r8.graph.AppView;
import com.android.tools.r8.graph.DexProgramClass;
import com.android.tools.r8.horizontalclassmerging.SingleClassPolicy;
import com.android.tools.r8.shaking.AppInfoWithLiveness;

public class NoKotlinLambdas extends SingleClassPolicy {
  private final AppView<AppInfoWithLiveness> appView;

  public NoKotlinLambdas(AppView<AppInfoWithLiveness> appView) {
    this.appView = appView;
  }

  @Override
  public boolean shouldSkipPolicy() {
    return appView.options().horizontalClassMergerOptions().isKotlinLambdaMergingEnabled();
  }

  @Override
  public boolean canMerge(DexProgramClass program) {
    if (program.getKotlinInfo().isNoKotlinInformation()
        || !program.getKotlinInfo().isSyntheticClass()) {
      return true;
    }

    return !program.getKotlinInfo().asSyntheticClass().isLambda();
  }
}