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

runtime/bin/builtin_natives.cc

 // 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.
 
+#include <stdio.h>
 #include <stdlib.h>
-#include <stdio.h>
 #include <string.h>
 
 #include "include/dart_api.h"
 #include "include/dart_tools_api.h"
 
 #include "platform/assert.h"
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
 #include "bin/embedded_dart_io.h"
 #include "bin/file.h"
 #include "bin/io_natives.h"
 #include "bin/platform.h"
 
 namespace dart {
 namespace bin {
 
 // Lists the native functions implementing basic functionality in
 // standalone dart, such as printing, file I/O, and platform information.
 // Advanced I/O classes like sockets and process management are implemented
 // using functions listed in io_natives.cc.
 #define BUILTIN_NATIVE_LIST(V)                                                 \
   V(Builtin_PrintString, 1)                                                    \
   V(Builtin_GetCurrentDirectory, 0)
 
-
 BUILTIN_NATIVE_LIST(DECLARE_FUNCTION);
 
 static struct NativeEntries {
   const char* name_;
   Dart_NativeFunction function_;
   int argument_count_;
 } BuiltinEntries[] = {BUILTIN_NATIVE_LIST(REGISTER_FUNCTION)};
 
-
 void Builtin_DummyNative(Dart_NativeArguments args) {
   UNREACHABLE();
 }
 
-
 /**
  * Looks up native functions in both libdart_builtin and libdart_io.
  */
 Dart_NativeFunction Builtin::NativeLookup(Dart_Handle name,
                                           int argument_count,
                                           bool* auto_setup_scope) {
   const char* function_name = NULL;
   Dart_Handle err = Dart_StringToCString(name, &function_name);
   DART_CHECK_VALID(err);
   ASSERT(function_name != NULL);
   ASSERT(auto_setup_scope != NULL);
   *auto_setup_scope = true;
   int num_entries = sizeof(BuiltinEntries) / sizeof(struct NativeEntries);
   for (int i = 0; i < num_entries; i++) {
     struct NativeEntries* entry = &(BuiltinEntries[i]);
     if ((strcmp(function_name, entry->name_) == 0) &&
         (entry->argument_count_ == argument_count)) {
       return reinterpret_cast<Dart_NativeFunction>(entry->function_);
     }
   }
   Dart_NativeFunction result =
       IONativeLookup(name, argument_count, auto_setup_scope);
   if (result == NULL) {
     result = Builtin_DummyNative;
   }
   return result;
 }
 
-
 const uint8_t* Builtin::NativeSymbol(Dart_NativeFunction nf) {
   int num_entries = sizeof(BuiltinEntries) / sizeof(struct NativeEntries);
   for (int i = 0; i < num_entries; i++) {
     struct NativeEntries* entry = &(BuiltinEntries[i]);
     if (reinterpret_cast<Dart_NativeFunction>(entry->function_) == nf) {
       return reinterpret_cast<const uint8_t*>(entry->name_);
     }
   }
   return IONativeSymbol(nf);
 }
 
-
 // Implementation of native functions which are used for some
 // test/debug functionality in standalone dart mode.
 void FUNCTION_NAME(Builtin_PrintString)(Dart_NativeArguments args) {
   intptr_t length = 0;
   uint8_t* chars = NULL;
   Dart_Handle str = Dart_GetNativeArgument(args, 0);
   Dart_Handle result = Dart_StringToUTF8(str, &chars, &length);
   if (Dart_IsError(result)) {
     Dart_PropagateError(result);
   }
 
   // Uses fwrite to support printing NUL bytes.
   intptr_t res = fwrite(chars, 1, length, stdout);
   ASSERT(res == length);
   fputs("\n", stdout);
   fflush(stdout);
   if (ShouldCaptureStdout()) {
     // For now we report print output on the Stdout stream.
     uint8_t newline[] = {'\n'};
     Dart_ServiceSendDataEvent("Stdout", "WriteEvent", chars, length);
     Dart_ServiceSendDataEvent("Stdout", "WriteEvent", newline, sizeof(newline));
   }
 }
 
 }  // namespace bin
 }  // namespace dart