Index: mojo/public/dart/third_party/analyzer/lib/src/task/manager.dart |
diff --git a/mojo/public/dart/third_party/analyzer/lib/src/task/manager.dart b/mojo/public/dart/third_party/analyzer/lib/src/task/manager.dart |
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index 0000000000000000000000000000000000000000..eebc08491fdea0fa1ef13f0b43babc5de5cf7d7a |
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+++ b/mojo/public/dart/third_party/analyzer/lib/src/task/manager.dart |
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+// Copyright (c) 2015, the Dart 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. |
+ |
+library analyzer.src.task.manager; |
+ |
+import 'dart:collection'; |
+ |
+import 'package:analyzer/src/generated/java_engine.dart'; |
+import 'package:analyzer/task/model.dart'; |
+ |
+/** |
+ * An object that manages the information about the tasks that have been |
+ * defined. |
+ */ |
+class TaskManager { |
+ /** |
+ * A table mapping [ResultDescriptor]s to a list of [TaskDescriptor]s |
+ * for the tasks that can be used to compute the result. |
+ */ |
+ Map<ResultDescriptor, List<TaskDescriptor>> taskMap = |
+ new HashMap<ResultDescriptor, List<TaskDescriptor>>(); |
+ |
+ /** |
+ * A list of the results that are to be computed for all sources within an |
+ * analysis root. |
+ */ |
+ Set<ResultDescriptor> generalResults = new Set<ResultDescriptor>(); |
+ |
+ /** |
+ * A list of the results that are to be computed for priority sources. |
+ */ |
+ Set<ResultDescriptor> priorityResults = new Set<ResultDescriptor>(); |
+ |
+ /** |
+ * Add the given [result] to the list of results that are to be computed for |
+ * all sources within an analysis root. |
+ */ |
+ void addGeneralResult(ResultDescriptor result) { |
+ generalResults.add(result); |
+ } |
+ |
+ /** |
+ * Add the given [result] to the list of results that are to be computed for |
+ * priority sources. |
+ */ |
+ void addPriorityResult(ResultDescriptor result) { |
+ priorityResults.add(result); |
+ } |
+ |
+ /** |
+ * Add the given [descriptor] to the list of analysis task descriptors that |
+ * can be used to compute analysis results. |
+ */ |
+ void addTaskDescriptor(TaskDescriptor descriptor) { |
+ descriptor.results.forEach((ResultDescriptor result) { |
+ // |
+ // Add the result to the task map. |
+ // |
+ List<TaskDescriptor> descriptors = taskMap[result]; |
+ if (descriptors == null) { |
+ descriptors = <TaskDescriptor>[]; |
+ taskMap[result] = descriptors; |
+ } |
+ descriptors.add(descriptor); |
+ }); |
+ } |
+ |
+ /** |
+ * Add the task descriptors in the given list of [descriptors] to the list of |
+ * analysis task descriptors that can be used to compute analysis results. |
+ */ |
+ void addTaskDescriptors(List<TaskDescriptor> descriptors) { |
+ descriptors.forEach(addTaskDescriptor); |
+ } |
+ |
+ /** |
+ * Find a task that will compute the given [result] for the given [target]. |
+ */ |
+ TaskDescriptor findTask(AnalysisTarget target, ResultDescriptor result) { |
+ List<TaskDescriptor> descriptors = taskMap[result]; |
+ if (descriptors == null) { |
+ throw new AnalysisException( |
+ 'No tasks registered to compute $result for $target'); |
+ } |
+ return _findBestTask(descriptors); |
+ } |
+ |
+ /** |
+ * Remove the given [result] from the list of results that are to be computed |
+ * for all sources within an analysis root. |
+ */ |
+ void removeGeneralResult(ResultDescriptor result) { |
+ generalResults.remove(result); |
+ } |
+ |
+ /** |
+ * Remove the given [result] from the list of results that are to be computed |
+ * for priority sources. |
+ */ |
+ void removePriorityResult(ResultDescriptor result) { |
+ priorityResults.remove(result); |
+ } |
+ |
+ /** |
+ * Given a list of task [descriptors] that can be used to compute some |
+ * unspecified result, return the descriptor that will compute the result with |
+ * the least amount of work. |
+ */ |
+ TaskDescriptor _findBestTask(List<TaskDescriptor> descriptors) { |
+ // TODO(brianwilkerson) Improve this implementation. |
+ return descriptors[0]; |
+ } |
+} |