| // Copyright (c) 2021, 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.diagnostic.internal; |
| |
| import com.android.tools.r8.diagnostic.MissingDefinitionInfo; |
| import com.android.tools.r8.diagnostic.MissingDefinitionsDiagnostic; |
| import com.android.tools.r8.origin.Origin; |
| import com.android.tools.r8.position.Position; |
| import com.google.common.collect.ImmutableList; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| public class MissingDefinitionsDiagnosticImpl implements MissingDefinitionsDiagnostic { |
| |
| private final Collection<MissingDefinitionInfo> missingDefinitions; |
| |
| private MissingDefinitionsDiagnosticImpl(Collection<MissingDefinitionInfo> missingDefinitions) { |
| assert !missingDefinitions.isEmpty(); |
| this.missingDefinitions = missingDefinitions; |
| } |
| |
| public static Builder builder() { |
| return new Builder(); |
| } |
| |
| @Override |
| public Collection<MissingDefinitionInfo> getMissingDefinitions() { |
| return getMissingDefinitionsWithDeterministicOrder(); |
| } |
| |
| private Collection<MissingDefinitionInfo> getMissingDefinitionsWithDeterministicOrder() { |
| List<MissingDefinitionInfo> missingDefinitionsWithDeterministicOrder = |
| new ArrayList<>(missingDefinitions); |
| missingDefinitionsWithDeterministicOrder.sort(MissingDefinitionInfoUtils.getComparator()); |
| return missingDefinitionsWithDeterministicOrder; |
| } |
| |
| /** A missing class(es) failure can generally not be attributed to a single origin. */ |
| @Override |
| public Origin getOrigin() { |
| return Origin.unknown(); |
| } |
| |
| /** A missing class(es) failure can generally not be attributed to a single position. */ |
| @Override |
| public Position getPosition() { |
| return Position.UNKNOWN; |
| } |
| |
| @Override |
| public String getDiagnosticMessage() { |
| StringBuilder builder = new StringBuilder(); |
| Iterator<MissingDefinitionInfo> missingDefinitionsIterator = |
| getMissingDefinitionsWithDeterministicOrder().iterator(); |
| |
| // The diagnostic is always non-empty. |
| assert missingDefinitionsIterator.hasNext(); |
| |
| // Write first line. |
| MissingDefinitionInfoUtils.writeDiagnosticMessage(builder, missingDefinitionsIterator.next()); |
| |
| // Write remaining lines with line separator before. |
| missingDefinitionsIterator.forEachRemaining( |
| missingDefinition -> |
| MissingDefinitionInfoUtils.writeDiagnosticMessage( |
| builder.append(System.lineSeparator()), missingDefinition)); |
| |
| return builder.toString(); |
| } |
| |
| public static class Builder { |
| |
| private ImmutableList.Builder<MissingDefinitionInfo> missingDefinitionsBuilder = |
| ImmutableList.builder(); |
| |
| private Builder() {} |
| |
| public Builder addMissingDefinitionInfo(MissingDefinitionInfo missingDefinition) { |
| missingDefinitionsBuilder.add(missingDefinition); |
| return this; |
| } |
| |
| public MissingDefinitionsDiagnostic build() { |
| return new MissingDefinitionsDiagnosticImpl(missingDefinitionsBuilder.build()); |
| } |
| } |
| } |