Use MODIFICATION_TIME in ScanDartTask and ParseHtmlTask.

pkg/analyzer/lib/src/task/html.dart

 // 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.html;
 
 import 'dart:collection';
 
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/dart/scanner/scanner.dart';
@@ skipping 251 matching lines @@
 /**
  * A task that scans the content of a file, producing a set of Dart tokens.
  */
 class ParseHtmlTask extends SourceBasedAnalysisTask {
   /**
    * The name of the input whose value is the content of the file.
    */
   static const String CONTENT_INPUT_NAME = 'CONTENT_INPUT_NAME';
 
   /**
+   * The name of the input whose value is the modification time of the file.
+   */
+  static const String MODIFICATION_TIME_INPUT = 'MODIFICATION_TIME_INPUT';
+
+  /**
    * The task descriptor describing this kind of task.
    */
   static final TaskDescriptor DESCRIPTOR = new TaskDescriptor(
       'ParseHtmlTask',
       createTask,
       buildInputs,
       <ResultDescriptor>[HTML_DOCUMENT, HTML_DOCUMENT_ERRORS, LINE_INFO],
       suitabilityFor: suitabilityFor);
 
   /**
    * Initialize a newly created task to access the content of the source
    * associated with the given [target] in the given [context].
    */
   ParseHtmlTask(InternalAnalysisContext context, AnalysisTarget target)
       : super(context, target);
 
   @override
   TaskDescriptor get descriptor => DESCRIPTOR;
 
   @override
   void internalPerform() {
     String content = getRequiredInput(CONTENT_INPUT_NAME);
 
-    if (context.getModificationStamp(target.source) < 0) {
+    int modificationTime = getRequiredInput(MODIFICATION_TIME_INPUT);
+    if (modificationTime < 0) {
       String message = 'Content could not be read';
       if (context is InternalAnalysisContext) {
         CacheEntry entry =
             (context as InternalAnalysisContext).getCacheEntry(target);
         CaughtException exception = entry.exception;
         if (exception != null) {
           message = exception.toString();
         }
       }
 
@@ skipping 30 matching lines @@
       outputs[LINE_INFO] = _computeLineInfo(content);
     }
   }
 
   /**
    * Return a map from the names of the inputs of this kind of task to the task
    * input descriptors describing those inputs for a task with the given
    * [source].
    */
   static Map<String, TaskInput> buildInputs(AnalysisTarget source) {
-    return <String, TaskInput>{CONTENT_INPUT_NAME: CONTENT.of(source)};
+    return <String, TaskInput>{
+      CONTENT_INPUT_NAME: CONTENT.of(source),
+      MODIFICATION_TIME_INPUT: MODIFICATION_TIME.of(source)
+    };
   }
 
   /**
    * Create a [ParseHtmlTask] based on the given [target] in the given [context].
    */
   static ParseHtmlTask createTask(
       AnalysisContext context, AnalysisTarget target) {
     return new ParseHtmlTask(context, target);
   }
 
@@ skipping 45 matching lines @@
    * The content of the fragment.
    */
   final String content;
 
   /**
    * Initialize a newly created script fragment to have the given [offset] and
    * [content].
    */
   ScriptFragment(this.offset, this.line, this.column, this.content);
 }