Support multiple resolution inputs from command line.

pkg/compiler/lib/src/apiimpl.dart

 // Copyright (c) 2012, 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 leg_apiimpl;
 
 import 'dart:async';
 import 'dart:convert';
 
 import 'package:package_config/packages.dart';
@@ skipping 187 matching lines @@
         return callUserPackagesDiscovery(uri).then((p) {
           packages = p;
         });
       }
     }
     return new Future.value();
   }
 
   Future<Null> setupSdk() {
     Future future = new Future.value(null);
-    if (options.resolutionInput != null) {
-      reporter.log('Reading serialized data from ${options.resolutionInput}');
-      future = callUserProvider(options.resolutionInput)
-          .then((SourceFile sourceFile) {
-        serialization.deserializeFromText(sourceFile.slowText());
+    if (options.resolutionInputs != null) {
+      future = Future.forEach(options.resolutionInputs, (Uri resolutionInput) {
+        reporter.log('Reading serialized data from ${resolutionInput}');
+        return callUserProvider(resolutionInput).then((SourceFile sourceFile) {
+          serialization.deserializeFromText(
+              resolutionInput, sourceFile.slowText());
+        });
       });
     }
     if (resolvedUriTranslator.isNotSet) {
       future = future.then((_) {
         return platform_configuration
             .load(options.platformConfigUri, provider)
             .then((Map<String, Uri> mapping) {
           resolvedUriTranslator.resolvedUriTranslator =
               new ResolvedUriTranslator(mapping, reporter);
         });
@@ skipping 167 matching lines @@
   }
 }
 
 /// For every 'dart:' library, a corresponding environment variable is set
 /// to "true". The environment variable's name is the concatenation of
 /// this prefix and the name (without the 'dart:'.
 ///
 /// For example 'dart:html' has the environment variable 'dart.library.html' set
 /// to "true".
 const String _dartLibraryEnvironmentPrefix = 'dart.library.';