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pkg/front_end/lib/src/base/file_repository.dart

 // Copyright (c) 2017, 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.
 
 /// Data structure storing an association between URI and file contents.
 ///
 /// Each URI is also associated with a unique arbitrary path ending in ".dart".
 /// This allows interfacing with analyzer code that expects to manipulate paths
 /// rather than URIs.
 class FileRepository {
@@ skipping 14 matching lines @@
   /// URI and arbitrary path is preserved.
   ///
   /// Subsequent calls to [contentsForPath] will have undefined results until
   /// new contents are stored using [store].
   void clearContents() {
     for (var i = 0; i < _contents.length; i++) {
       _contents[i] = null;
     }
   }
 
-  /// Return the contents of the file whose arbitary path is [path].
+  /// Return the contents of the file whose arbitrary path is [path].
   ///
   /// The path must have been returned by a previous call to [store] or
   /// [pathForUri].
   String contentsForPath(String path) {
     var contents = _contents[_indexForPath(path)];
     assert(contents != null);
     return contents;
   }
 
   /// For testing purposes, return the contents of all files stored in the file
@@ skipping 45 matching lines @@
       _uris.add(uri);
       _uriToIndexMap[uri] = index;
       _contents.add(null);
     }
     return index;
   }
 
   /// Return the arbitrary path associated with the given index.
   String _pathForIndex(int index) => '/$index.dart';
 }