New treatment of native methods.

lib/compiler/implementation/ssa/builder.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.
 
 class Interceptors {
   Compiler compiler;
   Interceptors(Compiler this.compiler);
 
   SourceString mapOperatorToMethodName(Operator op) {
     String name = op.source.stringValue;
@@ skipping 2256 matching lines @@
     } else if (element.name == const SourceString('UNINTERCEPTED')) {
       handleForeignUnintercepted(node);
     } else if (element.name == const SourceString('JS_HAS_EQUALS')) {
       handleForeignJsHasEquals(node);
     } else if (element.name == const SourceString('JS_CURRENT_ISOLATE')) {
       handleForeignJsCurrentIsolate(node);
     } else if (element.name == const SourceString('JS_CALL_IN_ISOLATE')) {
       handleForeignJsCallInIsolate(node);
     } else if (element.name == const SourceString('DART_CLOSURE_TO_JS')) {
       handleForeignDartClosureToJs(node);
-    } else if (element.name == const SourceString('native')) {
-      native.handleSsaNative(this, node);
     } else {
       throw "Unknown foreign: ${node.selector}";
     }
   }
 
   generateSuperNoSuchMethodSend(Send node) {
     ClassElement cls = work.element.getEnclosingClass();
     Element element = cls.lookupSuperMember(Compiler.NO_SUCH_METHOD);
     HStatic target = new HStatic(element);
     add(target);
@@ skipping 338 matching lines @@
     // Remove the result and reveal the duplicated receiver on the stack.
     pop();
   }
 
   visitCascadeReceiver(CascadeReceiver node) {
     visit(node.expression);
     dup();
   }
 
   visitReturn(Return node) {
+    if (node.getBeginToken().stringValue === 'native') {
+      native.handleSsaNative(this, node.expression);
+      return;
+    }
     HInstruction value;
     if (node.expression === null) {
       value = graph.addConstantNull();
     } else {
       visit(node.expression);
       value = pop();
     }
     close(new HReturn(value)).addSuccessor(graph.exit);
   }
 
@@ skipping 815 matching lines @@
   void visitNodeList(NodeList node) {
      node.visitChildren(this);
   }
 
   HInstruction concat(HInstruction left, HInstruction right) {
     HInstruction instruction = new HStringConcat(left, right, diagnosticNode);
     builder.add(instruction);
     return instruction;
   }
 }