Internal libraries supported.

sdk/lib/_internal/compiler/implementation/native_handler.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 native;
 
 import 'dart:uri';
 import 'dart2jslib.dart' hide SourceString;
 import 'elements/elements.dart';
 import 'js_backend/js_backend.dart';
@@ skipping 205 matching lines @@
     // Also parse the node to know all its methods because otherwise it will
     // only be parsed if there is a call to one of its constructors.
     classElement.parseNode(compiler);
 
     if (firstTime) {
       queue.add(onFirstNativeClass);
     }
   }
 
   registerElement(Element element) {
-    if (element.isFunction() || element.isGetter() || element.isSetter()) {
-      handleMethodAnnotations(element);
-      if (element.isNative()) {
-        registerMethodUsed(element);
+    compiler.withCurrentElement(element, () {
+      if (element.isFunction() || element.isGetter() || element.isSetter()) {
+        handleMethodAnnotations(element);
+        if (element.isNative()) {
+          registerMethodUsed(element);
+        }
+      } else if (element.isField()) {
+        handleFieldAnnotations(element);
+        if (element.isNative()) {
+          registerFieldLoad(element);
+          registerFieldStore(element);
+        }
       }
-    } else if (element.isField()) {
-      handleFieldAnnotations(element);
-      if (element.isNative()) {
-        registerFieldLoad(element);
-        registerFieldStore(element);
-      }
-    }
+    });
   }
 
   handleFieldAnnotations(Element element) {
     if (element.enclosingElement.isNative()) {
       // Exclude non-instance (static) fields - they not really native and are
       // compiled as isolate globals.  Access of a property of a constructor
       // function or a non-method property in the prototype chain, must be coded
       // using a JS-call.
       if (element.isInstanceMember()) {
         setNativeName(element);
@@ skipping 194 matching lines @@
     directSubtypes.add(cls);
   }
 
   void logSummary(log(message)) {
     log('Compiled ${registeredClasses.length} native classes, '
         '${unusedClasses.length} native classes omitted.');
   }
 }
 
 void maybeEnableNative(Compiler compiler,
-                       LibraryElement library,
-                       Uri uri) {
-  String libraryName = uri.toString();
+                       LibraryElement library) {
+  String libraryName = library.uri.toString();
   if (library.entryCompilationUnit.script.name.contains(
           'dart/tests/compiler/dart2js_native')
       || libraryName == 'dart:async'
       || libraryName == 'dart:html'
       || libraryName == 'dart:html_common'
       || libraryName == 'dart:indexed_db'
       || libraryName == 'dart:svg'
       || libraryName == 'dart:web_audio') {
     library.canUseNative = true;
   }
@@ skipping 410 matching lines @@
   } else {
     if (parameters.parameterCount != 0) {
       compiler.cancel(
           'native "..." syntax is restricted to functions with zero parameters',
           node: nativeBody);
     }
     LiteralString jsCode = nativeBody.asLiteralString();
     builder.push(new HForeign.statement(jsCode.dartString, <HInstruction>[]));
   }
 }