renaming File to Source

lib/builder.dart

 // Copyright (c) 2013, 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.
 
 /// Contains a builder object useful for creating source maps programatically.
 library source_maps.builder;
 
 // TODO(sigmund): add a builder for multi-section mappings.
 
 import 'dart:json' as json;
@@ skipping 10 matching lines @@
   /// Indices associated with file urls that will be part of the source map. We
   /// use a linked hash-map so that `_urls.keys[_urls[u]] == u`
   final Map<String, int> _urls = new LinkedHashMap<String, int>();
 
   /// Indices associated with identifiers that will be part of the source map.
   /// We use a linked hash-map so that `_names.keys[_names[n]] == n`
   final Map<String, int> _names = new LinkedHashMap<String, int>();
 
   /// Adds an entry mapping the [targetOffset] to [source].
   void addFromOffset(Location source,
-      File targetFile, int targetOffset, String identifier) {
+      SourceFile targetFile, int targetOffset, String identifier) {
     if (targetFile == null) {
       throw new ArgumentError('targetFile cannot be null');
     }
     _entries.add(new Entry(source,
           new FileLocation(targetFile, targetOffset), identifier));
   }
 
   /// Adds an entry mapping [target] to [source].
   void addSpan(Span source, Span target) {
     var name = source.isIdentifier ? source.text : null;
@@ skipping 95 matching lines @@
   /// because source map files are encoded by printing each mapping in order as
   /// they appear in the target file.
   int compareTo(Entry other) {
     int res = target.compareTo(other.target);
     if (res != 0) return res;
     res = source.sourceUrl.compareTo(other.source.sourceUrl);
     if (res != 0) return res;
     return source.compareTo(other.source);
   }
 }