| Index: pkg/analyzer/lib/src/context/context.dart
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| diff --git a/pkg/analyzer/lib/src/context/context.dart b/pkg/analyzer/lib/src/context/context.dart
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| index 468355606fe43b5b99dfa03b459a32d5680f4b63..b093d337834ea77881fada63aa9505f181f84394 100644
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| --- a/pkg/analyzer/lib/src/context/context.dart
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| +++ b/pkg/analyzer/lib/src/context/context.dart
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| @@ -1051,9 +1051,6 @@ class AnalysisContextImpl implements InternalAnalysisContext {
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|      return PerformanceStatistics.performAnaysis.makeCurrentWhile(() {
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|        _evaluatePendingFutures();
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|        bool done = !driver.performAnalysisTask();
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| -      if (done) {
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| -        done = !_validateCacheConsistency();
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| -      }
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|        List<ChangeNotice> notices = _getChangeNotices(done);
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|        if (notices != null) {
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|          int noticeCount = notices.length;
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| @@ -1188,6 +1185,57 @@ class AnalysisContextImpl implements InternalAnalysisContext {
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|    }
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|  
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|    @override
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| +  bool validateCacheConsistency() {
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| +    int consistencyCheckStart = JavaSystem.nanoTime();
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| +    HashSet<Source> changedSources = new HashSet<Source>();
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| +    HashSet<Source> missingSources = new HashSet<Source>();
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| +    for (Source source in _cache.sources) {
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| +      CacheEntry entry = _cache.get(source);
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| +      int sourceTime = getModificationStamp(source);
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| +      if (sourceTime != entry.modificationTime) {
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| +        changedSources.add(source);
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| +      }
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| +      if (entry.exception != null) {
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| +        if (!exists(source)) {
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| +          missingSources.add(source);
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| +        }
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| +      }
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| +    }
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| +    for (Source source in changedSources) {
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| +      _sourceChanged(source);
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| +    }
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| +    int removalCount = 0;
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| +    for (Source source in missingSources) {
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| +      if (getLibrariesContaining(source).isEmpty &&
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| +          getLibrariesDependingOn(source).isEmpty) {
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| +        _cache.remove(source);
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| +        removalCount++;
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| +      }
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| +    }
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| +    int consistencyCheckEnd = JavaSystem.nanoTime();
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| +    if (changedSources.length > 0 || missingSources.length > 0) {
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| +      StringBuffer buffer = new StringBuffer();
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| +      buffer.write("Consistency check took ");
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| +      buffer.write((consistencyCheckEnd - consistencyCheckStart) / 1000000.0);
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| +      buffer.writeln(" ms and found");
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| +      buffer.write("  ");
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| +      buffer.write(changedSources.length);
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| +      buffer.writeln(" inconsistent entries");
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| +      buffer.write("  ");
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| +      buffer.write(missingSources.length);
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| +      buffer.write(" missing sources (");
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| +      buffer.write(removalCount);
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| +      buffer.writeln(" removed");
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| +      for (Source source in missingSources) {
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| +        buffer.write("    ");
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| +        buffer.writeln(source.fullName);
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| +      }
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| +      _logInformation(buffer.toString());
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| +    }
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| +    return changedSources.length > 0;
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| +  }
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| +
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| +  @override
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|    void visitCacheItems(void callback(Source source, SourceEntry dartEntry,
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|        DataDescriptor rowDesc, CacheState state)) {
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|      // TODO(brianwilkerson) Figure out where this is used and either remove it
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| @@ -1771,62 +1819,6 @@ class AnalysisContextImpl implements InternalAnalysisContext {
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|        return true;
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|      });
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|    }
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| -
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| -  /**
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| -   * Check the cache for any invalid entries (entries whose modification time
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| -   * does not match the modification time of the source associated with the
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| -   * entry). Invalid entries will be marked as invalid so that the source will
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| -   * be re-analyzed. Return `true` if at least one entry was invalid.
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| -   */
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| -  bool _validateCacheConsistency() {
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| -    int consistencyCheckStart = JavaSystem.nanoTime();
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| -    HashSet<Source> changedSources = new HashSet<Source>();
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| -    HashSet<Source> missingSources = new HashSet<Source>();
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| -    for (Source source in _cache.sources) {
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| -      CacheEntry entry = _cache.get(source);
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| -      int sourceTime = getModificationStamp(source);
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| -      if (sourceTime != entry.modificationTime) {
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| -        changedSources.add(source);
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| -      }
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| -      if (entry.exception != null) {
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| -        if (!exists(source)) {
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| -          missingSources.add(source);
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| -        }
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| -      }
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| -    }
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| -    for (Source source in changedSources) {
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| -      _sourceChanged(source);
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| -    }
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| -    int removalCount = 0;
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| -    for (Source source in missingSources) {
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| -      if (getLibrariesContaining(source).isEmpty &&
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| -          getLibrariesDependingOn(source).isEmpty) {
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| -        _cache.remove(source);
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| -        removalCount++;
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| -      }
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| -    }
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| -    int consistencyCheckEnd = JavaSystem.nanoTime();
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| -    if (changedSources.length > 0 || missingSources.length > 0) {
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| -      StringBuffer buffer = new StringBuffer();
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| -      buffer.write("Consistency check took ");
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| -      buffer.write((consistencyCheckEnd - consistencyCheckStart) / 1000000.0);
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| -      buffer.writeln(" ms and found");
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| -      buffer.write("  ");
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| -      buffer.write(changedSources.length);
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| -      buffer.writeln(" inconsistent entries");
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| -      buffer.write("  ");
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| -      buffer.write(missingSources.length);
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| -      buffer.write(" missing sources (");
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| -      buffer.write(removalCount);
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| -      buffer.writeln(" removed");
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| -      for (Source source in missingSources) {
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| -        buffer.write("    ");
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| -        buffer.writeln(source.fullName);
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| -      }
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| -      _logInformation(buffer.toString());
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| -    }
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| -    return changedSources.length > 0;
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| -  }
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|  }
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|  
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|  /**
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| 
 |