VM: Re-format to use at most one newline between functions

runtime/vm/native_api_impl.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 "include/dart_native_api.h"
 
 #include "platform/assert.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_message.h"
 #include "vm/dart_api_state.h"
 #include "vm/message.h"
 #include "vm/native_message_handler.h"
 #include "vm/port.h"
 
 namespace dart {
 
 // --- Message sending/receiving from native code ---
 
 static uint8_t* malloc_allocator(uint8_t* ptr,
                                  intptr_t old_size,
                                  intptr_t new_size) {
   void* new_ptr = realloc(reinterpret_cast<void*>(ptr), new_size);
   return reinterpret_cast<uint8_t*>(new_ptr);
 }
 
-
 class IsolateSaver {
  public:
   explicit IsolateSaver(Isolate* current_isolate)
       : saved_isolate_(current_isolate) {
     if (current_isolate != NULL) {
       ASSERT(current_isolate == Isolate::Current());
       Dart_ExitIsolate();
     }
   }
   ~IsolateSaver() {
     if (saved_isolate_ != NULL) {
       Dart_Isolate I = reinterpret_cast<Dart_Isolate>(saved_isolate_);
       Dart_EnterIsolate(I);
     }
   }
 
  private:
   Isolate* saved_isolate_;
 
   DISALLOW_COPY_AND_ASSIGN(IsolateSaver);
 };
 
-
 static bool PostCObjectHelper(Dart_Port port_id, Dart_CObject* message) {
   uint8_t* buffer = NULL;
   ApiMessageWriter writer(&buffer, malloc_allocator);
   bool success = writer.WriteCMessage(message);
 
   if (!success) {
     free(buffer);
     return success;
   }
 
   // Post the message at the given port.
   return PortMap::PostMessage(new Message(
       port_id, buffer, writer.BytesWritten(), Message::kNormalPriority));
 }
 
-
 DART_EXPORT bool Dart_PostCObject(Dart_Port port_id, Dart_CObject* message) {
   return PostCObjectHelper(port_id, message);
 }
 
-
 DART_EXPORT bool Dart_PostInteger(Dart_Port port_id, int64_t message) {
   if (Smi::IsValid(message)) {
     return PortMap::PostMessage(
         new Message(port_id, Smi::New(message), Message::kNormalPriority));
   }
   Dart_CObject cobj;
   cobj.type = Dart_CObject_kInt64;
   cobj.value.as_int64 = message;
   return PostCObjectHelper(port_id, &cobj);
 }
 
-
 DART_EXPORT Dart_Port Dart_NewNativePort(const char* name,
                                          Dart_NativeMessageHandler handler,
                                          bool handle_concurrently) {
   if (name == NULL) {
     name = "<UnnamedNativePort>";
   }
   if (handler == NULL) {
     OS::PrintErr("%s expects argument 'handler' to be non-null.\n",
                  CURRENT_FUNC);
     return ILLEGAL_PORT;
   }
   // Start the native port without a current isolate.
   IsolateSaver saver(Isolate::Current());
 
   NativeMessageHandler* nmh = new NativeMessageHandler(name, handler);
   Dart_Port port_id = PortMap::CreatePort(nmh);
   PortMap::SetPortState(port_id, PortMap::kLivePort);
   nmh->Run(Dart::thread_pool(), NULL, NULL, 0);
   return port_id;
 }
 
-
 DART_EXPORT bool Dart_CloseNativePort(Dart_Port native_port_id) {
   // Close the native port without a current isolate.
   IsolateSaver saver(Isolate::Current());
 
   // TODO(turnidge): Check that the port is native before trying to close.
   return PortMap::ClosePort(native_port_id);
 }
 
-
 // --- Verification tools ---
 
 static void CompileAll(Thread* thread, Dart_Handle* result) {
   ASSERT(thread != NULL);
   const Error& error = Error::Handle(thread->zone(), Library::CompileAll());
   if (error.IsNull()) {
     *result = Api::Success();
   } else {
     *result = Api::NewHandle(thread, error.raw());
   }
 }
 
-
 DART_EXPORT Dart_Handle Dart_CompileAll() {
   DARTSCOPE(Thread::Current());
   Dart_Handle result = Api::CheckAndFinalizePendingClasses(T);
   if (::Dart_IsError(result)) {
     return result;
   }
   CHECK_CALLBACK_STATE(T);
   CompileAll(T, &result);
   return result;
 }
 
-
 static void ParseAll(Thread* thread, Dart_Handle* result) {
   ASSERT(thread != NULL);
   const Error& error = Error::Handle(thread->zone(), Library::ParseAll(thread));
   if (error.IsNull()) {
     *result = Api::Success();
   } else {
     *result = Api::NewHandle(thread, error.raw());
   }
 }
 
-
 DART_EXPORT Dart_Handle Dart_ParseAll() {
   DARTSCOPE(Thread::Current());
   Dart_Handle result = Api::CheckAndFinalizePendingClasses(T);
   if (::Dart_IsError(result)) {
     return result;
   }
   CHECK_CALLBACK_STATE(T);
   ParseAll(T, &result);
   return result;
 }
 
 }  // namespace dart