Make Analyzer, VM and dart2js accept URI strings as part-of library identifier.

runtime/vm/parser.cc

 // 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.
 
 #include "vm/parser.h"
 #include "vm/flags.h"
 
 #ifndef DART_PRECOMPILED_RUNTIME
 
 #include "lib/invocation_mirror.h"
@@ skipping 6391 matching lines @@
 
 
 void Parser::ParsePartHeader() {
   SkipMetadata();
   CheckToken(Token::kPART, "'part of' expected");
   ConsumeToken();
   if (!IsSymbol(Symbols::Of())) {
     ReportError("'part of' expected");
   }
   ConsumeToken();
-  // The VM is not required to check that the library name matches the
-  // name of the current library, so we ignore it.
-  ExpectIdentifier("library name expected");
-  while (CurrentToken() == Token::kPERIOD) {
-    ConsumeToken();
-    ExpectIdentifier("malformed library name");
+  // The VM is not required to check that the library name or URI matches the
+  // name or URI of the current library, so we ignore them.
+  if (CurrentToken() == Token::kSTRING) {
+    ParseStringLiteral(false);
+  } else {
+    ExpectIdentifier("library name expected");
+    while (CurrentToken() == Token::kPERIOD) {
+      ConsumeToken();
+      ExpectIdentifier("malformed library name");
+    }
   }
   ExpectSemicolon();
 }
 
 
 void Parser::ParseTopLevel() {
   TRACE_PARSER("ParseTopLevel");
   // Collect the classes found at the top level in this growable array.
   // They need to be registered with class finalization after parsing
   // has been completed.
@@ skipping 8774 matching lines @@
     const ArgumentListNode& function_args,
     const LocalVariable* temp_for_last_arg,
     bool is_super_invocation) {
   UNREACHABLE();
   return NULL;
 }
 
 }  // namespace dart
 
 #endif  // DART_PRECOMPILED_RUNTIME