Support multiple resolution inputs from command line.

pkg/compiler/lib/src/diagnostics/messages.dart

 // Copyright (c) 2011, 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.
 
 /**
  * The messages in this file should meet the following guide lines:
  *
  * 1. The message should be a complete sentence starting with an uppercase
  * letter, and ending with a period.
  *
@@ skipping 159 matching lines @@
   DISALLOWED_LIBRARY_IMPORT,
   DUPLICATE_DEFINITION,
   DUPLICATE_EXPORT,
   DUPLICATE_EXPORT_CONT,
   DUPLICATE_EXPORT_DECL,
   DUPLICATE_EXTENDS_IMPLEMENTS,
   DUPLICATE_IMPLEMENTS,
   DUPLICATE_IMPORT,
   DUPLICATE_INITIALIZER,
   DUPLICATE_LABEL,
+  DUPLICATE_SERIALIZED_LIBRARY,
   DUPLICATE_SUPER_INITIALIZER,
   DUPLICATE_TYPE_VARIABLE_NAME,
   DUPLICATED_LIBRARY_NAME,
   DUPLICATED_LIBRARY_RESOURCE,
   DUPLICATED_PART_OF,
   DUPLICATED_RESOURCE,
   EMPTY_CATCH_DECLARATION,
   EMPTY_ENUM_DECLARATION,
   EMPTY_HIDE,
   EQUAL_MAP_ENTRY_KEY,
@@ skipping 3446 matching lines @@
       MessageKind.COMPLEX_RETURNING_NSM: const MessageTemplate(
           MessageKind.COMPLEX_RETURNING_NSM,
           "Overriding 'noSuchMethod' causes the compiler to generate "
           "more code and prevents the compiler from doing some optimizations.",
           howToFix: "Consider removing this 'noSuchMethod' implementation."),
 
       MessageKind.UNRECOGNIZED_VERSION_OF_LOOKUP_MAP: const MessageTemplate(
           MessageKind.UNRECOGNIZED_VERSION_OF_LOOKUP_MAP,
           "Unsupported version of package:lookup_map.",
           howToFix: DONT_KNOW_HOW_TO_FIX),
+
+      MessageKind.DUPLICATE_SERIALIZED_LIBRARY: const MessageTemplate(
+          MessageKind.DUPLICATE_SERIALIZED_LIBRARY,
+          "Library '#{libraryUri}' found in both '#{sourceUri1}' and "
+              "'#{sourceUri2}'."),
     }); // End of TEMPLATES.
 
   /// Padding used before and between import chains in the message for
   /// [MessageKind.IMPORT_EXPERIMENTAL_MIRRORS].
   static const String IMPORT_EXPERIMENTAL_MIRRORS_PADDING = '\n*   ';
 
   /// Padding used before and between import chains in the message for
   /// [MessageKind.MIRRORS_LIBRARY_NOT_SUPPORT_BY_BACKEND].
   static const String MIRRORS_NOT_SUPPORTED_BY_BACKEND_PADDING = '\n   ';
 
@@ skipping 61 matching lines @@
   static String convertToString(value) {
     if (value is ErrorToken) {
       // Shouldn't happen.
       return value.assertionMessage;
     } else if (value is Token) {
       value = value.value;
     }
     return '$value';
   }
 }