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

runtime/vm/custom_isolate_test.cc

 // Copyright (c) 2011, 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_api.h"
 #include "include/dart_native_api.h"
 
 #include "vm/unit_test.h"
 
 // Custom Isolate Test.
 //
 // This mid-size test uses the Dart Embedding Api to create a custom
 // isolate abstraction.  Instead of having a dedicated thread for each
 // isolate, as is the case normally, this implementation shares a
 // single thread among the isolates using an event queue.
 
 namespace dart {
 
 DECLARE_FLAG(bool, trace_shutdown);
 
 static void native_echo(Dart_NativeArguments args);
 static void CustomIsolateImpl_start(Dart_NativeArguments args);
 static Dart_NativeFunction NativeLookup(Dart_Handle name,
                                         int argc,
                                         bool* auto_setup_scope);
 
-
 static const char* kCustomIsolateScriptChars =
     "import 'dart:isolate';\n"
     "\n"
     "final RawReceivePort mainPort = new RawReceivePort();\n"
     "final SendPort mainSendPort = mainPort.sendPort;\n"
     "\n"
     "echo(arg) native \"native_echo\";\n"
     "\n"
     "class CustomIsolateImpl implements CustomIsolate {\n"
     "  CustomIsolateImpl(String entry) : _entry = entry{\n"
@@ skipping 32 matching lines @@
     "  var receivePort = new RawReceivePort();\n"
     "  SendPort port = isolate.spawn();\n"
     "  port.send([42, receivePort.sendPort]);\n"
     "  receivePort.handler = (message) {\n"
     "    receivePort.close();\n"
     "    echo('Received: $message');\n"
     "  };\n"
     "  return 'success';\n"
     "}\n";
 
-
 // An entry in our event queue.
 class Event {
  protected:
   explicit Event(Dart_Isolate isolate) : isolate_(isolate), next_(NULL) {}
 
  public:
   virtual ~Event() {}
   virtual void Process() = 0;
 
   Dart_Isolate isolate() const { return isolate_; }
 
  private:
   friend class EventQueue;
   Dart_Isolate isolate_;
   Event* next_;
 };
 
-
 // A simple event queue for our test.
 class EventQueue {
  public:
   EventQueue() { head_ = NULL; }
 
   void Add(Event* event) {
     if (head_ == NULL) {
       head_ = event;
       tail_ = event;
     } else {
@@ skipping 37 matching lines @@
     }
     tail_ = prev;
   }
 
  private:
   Event* head_;
   Event* tail_;
 };
 EventQueue* event_queue;
 
-
 // Start an isolate.
 class StartEvent : public Event {
  public:
   StartEvent(Dart_Isolate isolate, const char* main)
       : Event(isolate), main_(main) {}
 
   virtual void Process();
 
  private:
   const char* main_;
 };
 
-
 void StartEvent::Process() {
   OS::Print(">> StartEvent with isolate(%p)--\n", isolate());
   Dart_EnterIsolate(isolate());
   Dart_EnterScope();
   Dart_Handle result;
 
   Dart_Handle lib = Dart_LookupLibrary(NewString(TestCase::url()));
   EXPECT_VALID(lib);
 
   result = Dart_Invoke(lib, NewString(main_), 0, NULL);
   EXPECT_VALID(result);
   free(const_cast<char*>(main_));
   main_ = NULL;
 
   Dart_SetMessageNotifyCallback(NULL);
   Dart_ExitScope();
   Dart_ExitIsolate();
 }
 
-
 // Notify an isolate of a pending message.
 class MessageEvent : public Event {
  public:
   explicit MessageEvent(Dart_Isolate isolate) : Event(isolate) {}
 
   ~MessageEvent() {}
 
   virtual void Process();
 };
 
-
 void MessageEvent::Process() {
   OS::Print("$$ MessageEvent with isolate(%p)\n", isolate());
   Dart_EnterIsolate(isolate());
   Dart_EnterScope();
 
   Dart_Handle result = Dart_HandleMessage();
   EXPECT_VALID(result);
 
   if (!Dart_HasLivePorts()) {
     OS::Print("<< Shutting down isolate(%p)\n", isolate());
     event_queue->RemoveEventsForIsolate(isolate());
     Dart_SetMessageNotifyCallback(NULL);
     Dart_ExitScope();
     Dart_ShutdownIsolate();
   } else {
     Dart_ExitScope();
     Dart_ExitIsolate();
   }
   ASSERT(Dart_CurrentIsolate() == NULL);
 }
 
-
 static void NotifyMessage(Dart_Isolate dest_isolate) {
   OS::Print("-- Notify isolate(%p) of pending message --\n", dest_isolate);
   OS::Print("-- Adding MessageEvent to queue --\n");
   event_queue->Add(new MessageEvent(dest_isolate));
 }
 
-
 static Dart_NativeFunction NativeLookup(Dart_Handle name,
                                         int argc,
                                         bool* auto_setup_scope) {
   ASSERT(auto_setup_scope != NULL);
   *auto_setup_scope = true;
   const char* name_str = NULL;
   EXPECT(Dart_IsString(name));
   EXPECT_VALID(Dart_StringToCString(name, &name_str));
   if (strcmp(name_str, "native_echo") == 0) {
     return &native_echo;
   } else if (strcmp(name_str, "CustomIsolateImpl_start") == 0) {
     return &CustomIsolateImpl_start;
   }
   return NULL;
 }
 
-
 char* saved_echo = NULL;
 static void native_echo(Dart_NativeArguments args) {
   Dart_EnterScope();
   Dart_Handle arg = Dart_GetNativeArgument(args, 0);
   Dart_Handle toString = Dart_ToString(arg);
   EXPECT_VALID(toString);
   const char* c_str = NULL;
   EXPECT_VALID(Dart_StringToCString(toString, &c_str));
   if (saved_echo) {
     free(saved_echo);
   }
   saved_echo = strdup(c_str);
   OS::Print("-- (isolate=%p) %s\n", Dart_CurrentIsolate(), c_str);
   Dart_ExitScope();
 }
 
-
 static void CustomIsolateImpl_start(Dart_NativeArguments args) {
   OS::Print("-- Enter: CustomIsolateImpl_start --\n");
 
   // We would probably want to pass in the this pointer too, so we
   // could associate the CustomIsolateImpl instance with the
   // Dart_Isolate by storing it in a native field.
   EXPECT_EQ(1, Dart_GetNativeArgumentCount(args));
   Dart_Handle param = Dart_GetNativeArgument(args, 0);
   EXPECT_VALID(param);
   EXPECT(Dart_IsString(param));
@@ skipping 33 matching lines @@
   Dart_EnterScope();
 
   Dart_Handle send_port = Dart_NewSendPort(main_port_id);
   EXPECT_VALID(send_port);
   Dart_SetReturnValue(args, send_port);
 
   OS::Print("-- Exit: CustomIsolateImpl_start --\n");
   Dart_ExitScope();
 }
 
-
 VM_UNIT_TEST_CASE(CustomIsolates) {
   bool saved_flag = FLAG_trace_shutdown;
   FLAG_trace_shutdown = true;
   FLAG_verify_handles = true;
 #ifdef DEBUG
   FLAG_verify_on_transition = true;
 #endif
   event_queue = new EventQueue();
 
   Dart_Isolate dart_isolate = TestCase::CreateTestIsolate();
@@ skipping 28 matching lines @@
   OS::Print("-- Finished event loop --\n");
   EXPECT_STREQ("Received: 43", saved_echo);
   free(saved_echo);
 
   delete event_queue;
   event_queue = NULL;
   FLAG_trace_shutdown = saved_flag;
 }
 
 }  // namespace dart