Use library prefixes in scope of the mixin class when compiling a functions of

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 "lib/invocation_mirror.h"
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
@@ skipping 2780 matching lines @@
   qual_ident->ident = CurrentLiteral();
   qual_ident->lib_prefix = NULL;
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     // An identifier cannot be resolved in a local scope when top level parsing.
     if (is_top_level_ ||
         !ResolveIdentInLocalScope(qual_ident->ident_pos,
                                   *(qual_ident->ident),
                                   NULL)) {
       LibraryPrefix& lib_prefix = LibraryPrefix::ZoneHandle();
-      lib_prefix = current_class().LookupLibraryPrefix(*(qual_ident->ident));
+      if (current_class().mixin() == Type::null()) {

[Ivan Posva, 2013/07/19 19:00:25]

Please add a TODO to figure out why we are not using the librar() to lookup here
and other places below.

+        lib_prefix = current_class().LookupLibraryPrefix(*(qual_ident->ident));
+      } else {
+        Class& cls = Class::Handle(parsed_function()->function().origin());
+        lib_prefix = cls.LookupLibraryPrefix(*(qual_ident->ident));
+      }
       if (!lib_prefix.IsNull()) {
         // We have a library prefix qualified identifier, unless the prefix is
         // shadowed by a type parameter in scope.
         if (current_class().IsNull() ||
             (current_class().LookupTypeParameter(*(qual_ident->ident)) ==
              TypeParameter::null())) {
           ConsumeToken();  // Consume the kPERIOD token.
           qual_ident->lib_prefix = &lib_prefix;
           qual_ident->ident_pos = TokenPos();
           qual_ident->ident =
@@ skipping 7390 matching lines @@
 void Parser::SkipQualIdent() {
   ASSERT(IsIdentifier());
   ConsumeToken();
   if (CurrentToken() == Token::kPERIOD) {
     ConsumeToken();  // Consume the kPERIOD token.
     ExpectIdentifier("identifier expected after '.'");
   }
 }
 
 }  // namespace dart