- Add a minimal implementation of Capability.

runtime/vm/json_stream.cc

 // Copyright (c) 2013, 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 "platform/assert.h"
 
 #include "vm/dart_entry.h"
 #include "vm/debugger.h"
 #include "vm/json_stream.h"
 #include "vm/message.h"
@@ skipping 16 matching lines @@
       option_values_(NULL),
       num_options_(0) {
 }
 
 
 JSONStream::~JSONStream() {
 }
 
 
 void JSONStream::Setup(Zone* zone,
-                       const Instance& reply_port,
+                       Dart_Port reply_port,
                        const GrowableObjectArray& path,
                        const GrowableObjectArray& option_keys,
                        const GrowableObjectArray& option_values) {
-  // Setup the reply port.
-  const Object& id_obj = Object::Handle(
-      DartLibraryCalls::PortGetId(reply_port));
-  if (id_obj.IsError()) {
-    Exceptions::PropagateError(Error::Cast(id_obj));
-  }
-  const Integer& id = Integer::Cast(id_obj);
-  Dart_Port port = static_cast<Dart_Port>(id.AsInt64Value());
-  ASSERT(port != ILLEGAL_PORT);
-  set_reply_port(port);
+  set_reply_port(reply_port);
 
   // Setup JSONStream arguments and options. The arguments and options
   // are zone allocated and will be freed immediately after handling the
   // message.
   const char** arguments = zone->Alloc<const char*>(path.Length());
   String& string_iterator = String::Handle();
   for (intptr_t i = 0; i < path.Length(); i++) {
     string_iterator ^= path.At(i);
     arguments[i] = zone->MakeCopyOfString(string_iterator.ToCString());
     if (i == 0) {
@@ skipping 359 matching lines @@
   intptr_t len2 = OS::VSNPrint(p, len+1, format, args);
   va_end(args);
   ASSERT(len == len2);
   stream_->buffer_.AddChar('"');
   stream_->AddEscapedUTF8String(p);
   stream_->buffer_.AddChar('"');
   free(p);
 }
 
 }  // namespace dart