Support (de)serialization from command-line

pkg/compiler/lib/src/source_file_provider.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.
 
 library source_file_provider;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 import 'dart:math' as math;
@@ skipping 223 matching lines @@
   void call(Uri uri, int begin, int end, String message, api.Diagnostic kind) {
     return report(null, uri, begin, end, message, kind);
   }
 }
 
 typedef void MessageCallback(String message);
 
 class RandomAccessFileOutputProvider implements CompilerOutput {
   final Uri out;
   final Uri sourceMapOut;
+  final Uri resolutionOutput;
   final MessageCallback onInfo;
   final MessageCallback onFailure;
 
   int totalCharactersWritten = 0;
   List<String> allOutputFiles = new List<String>();
 
   RandomAccessFileOutputProvider(this.out, this.sourceMapOut,
-      {this.onInfo, this.onFailure});
+      {this.onInfo, this.onFailure, this.resolutionOutput});
 
   static Uri computePrecompiledUri(Uri out) {
     String extension = 'precompiled.js';
     String outPath = out.path;
     if (outPath.endsWith('.js')) {
       outPath = outPath.substring(0, outPath.length - 3);
       return out.resolve('$outPath.$extension');
     } else {
       return out.resolve(extension);
     }
   }
 
   EventSink<String> call(String name, String extension) {
     return createEventSink(name, extension);
   }
-  
+
   EventSink<String> createEventSink(String name, String extension) {
     Uri uri;
     bool isPrimaryOutput = false;
     // TODO (johnniwinther, sigurdm): Make a better interface for
     // output-providers.
     if (extension == "deferred_map") {
       uri = out.resolve(name);
     } else if (name == '') {
       if (extension == 'js' || extension == 'dart') {
         isPrimaryOutput = true;
         uri = out;
       } else if (extension == 'precompiled.js') {
         uri = computePrecompiledUri(out);
         onInfo("File ($uri) is compatible with header"
             " \"Content-Security-Policy: script-src 'self'\"");
       } else if (extension == 'js.map' || extension == 'dart.map') {
         uri = sourceMapOut;
-      } else if (extension == "info.json") {
+      } else if (extension == 'info.json') {
         String outName = out.path.substring(out.path.lastIndexOf('/') + 1);
         uri = out.resolve('$outName.$extension');
+      } else if (extension == 'data') {
+        if (resolutionOutput == null) {
+          onFailure('Serialization target unspecified.');
+        }
+        uri = resolutionOutput;
       } else {
         onFailure('Unknown extension: $extension');
       }
     } else {
       uri = out.resolve('$name.$extension');
     }
 
     if (uri.scheme != 'file') {
       onFailure('Unhandled scheme ${uri.scheme} in $uri.');
     }
@@ skipping 37 matching lines @@
   var onAdd, onClose;
 
   EventSinkWrapper(this.onAdd, this.onClose);
 
   void add(String data) => onAdd(data);
 
   void addError(error, [StackTrace stackTrace]) => throw error;
 
   void close() => onClose();
 }