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

runtime/bin/dfe.cc

 // Copyright (c) 2017, 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 "bin/dfe.h"
 #include "bin/dartutils.h"
 #include "bin/error_exit.h"
 #include "bin/file.h"
 
 #include "vm/kernel.h"
 
 namespace dart {
 namespace bin {
 
 const char kPlatformBinaryName[] = "platform.dill";
 const char kVMServiceIOBinaryName[] = "vmservice_io.dill";
 
-
 DFE::DFE()
     : frontend_filename_(NULL),
       platform_binary_filename_(NULL),
       vmservice_io_binary_filename_(NULL),
       kernel_platform_(NULL),
       kernel_vmservice_io_(NULL) {}
 
-
 DFE::~DFE() {
   frontend_filename_ = NULL;
 
   if (platform_binary_filename_ != NULL) {
     delete platform_binary_filename_;
     platform_binary_filename_ = NULL;
   }
 
   if (kernel_platform_ != NULL) {
     delete reinterpret_cast<kernel::Program*>(kernel_platform_);
     kernel_platform_ = NULL;
   }
 
   if (kernel_vmservice_io_ != NULL) {
     delete reinterpret_cast<kernel::Program*>(kernel_vmservice_io_);
     kernel_vmservice_io_ = NULL;
   }
 }
 
-
 void DFE::SetKernelBinaries(const char* name) {
   intptr_t len = snprintf(NULL, 0, "%s%s%s", name, File::PathSeparator(),
                           kPlatformBinaryName) +
                  1;
   platform_binary_filename_ = new char[len];
   snprintf(platform_binary_filename_, len, "%s%s%s", name,
            File::PathSeparator(), kPlatformBinaryName);
 
   len = snprintf(NULL, 0, "%s%s%s", name, File::PathSeparator(),
                  kVMServiceIOBinaryName) +
         1;
   vmservice_io_binary_filename_ = new char[len];
   snprintf(vmservice_io_binary_filename_, len, "%s%s%s", name,
            File::PathSeparator(), kVMServiceIOBinaryName);
 }
 
-
 Dart_Handle DFE::ReloadScript(Dart_Isolate isolate, const char* url_string) {
   ASSERT(!Dart_IsServiceIsolate(isolate) && !Dart_IsKernelIsolate(isolate));
   // First check if the URL points to a Kernel IR file in which case we
   // skip the compilation step and directly reload the file.
   const uint8_t* kernel_ir = NULL;
   intptr_t kernel_ir_size = -1;
   if (!TryReadKernelFile(url_string, &kernel_ir, &kernel_ir_size)) {
     // We have a source file, compile it into a kernel ir first.
     // TODO(asiva): We will have to change this API to pass in a list of files
     // that have changed. For now just pass in the main url_string and have it
@@ skipping 13 matching lines @@
   }
   // Finalize loading. This will complete any futures for completed deferred
   // loads.
   result = Dart_FinalizeLoading(true);
   if (Dart_IsError(result)) {
     return result;
   }
   return Dart_Null();
 }
 
-
 void* DFE::CompileAndReadScript(const char* script_uri,
                                 char** error,
                                 int* exit_code) {
   Dart_KernelCompilationResult result = Dart_CompileToKernel(script_uri);
   switch (result.status) {
     case Dart_KernelCompilationStatus_Ok:
       return Dart_ReadKernelBinary(result.kernel, result.kernel_size);
     case Dart_KernelCompilationStatus_Error:
       *error = result.error;  // Copy error message.
       *exit_code = kCompilationErrorExitCode;
       break;
     case Dart_KernelCompilationStatus_Crash:
       *error = result.error;  // Copy error message.
       *exit_code = kDartFrontendErrorExitCode;
       break;
     case Dart_KernelCompilationStatus_Unknown:
       *error = result.error;  // Copy error message.
       *exit_code = kErrorExitCode;
       break;
   }
   return NULL;
 }
 
-
 void* DFE::ReadPlatform() {
   return kernel_platform_ = ReadScript(platform_binary_filename_);
 }
 
-
 void* DFE::ReadVMServiceIO() {
   return kernel_vmservice_io_ = ReadScript(vmservice_io_binary_filename_);
 }
 
-
 void* DFE::ReadScript(const char* script_uri) {
   const uint8_t* buffer = NULL;
   intptr_t buffer_length = -1;
   bool result = TryReadKernelFile(script_uri, &buffer, &buffer_length);
   if (result) {
     return Dart_ReadKernelBinary(buffer, buffer_length);
   }
   return NULL;
 }
 
-
 bool DFE::TryReadKernelFile(const char* script_uri,
                             const uint8_t** kernel_ir,
                             intptr_t* kernel_ir_size) {
   *kernel_ir = NULL;
   *kernel_ir_size = -1;
   void* script_file = DartUtils::OpenFile(script_uri, false);
   if (script_file != NULL) {
     const uint8_t* buffer = NULL;
     DartUtils::ReadFile(&buffer, kernel_ir_size, script_file);
     DartUtils::CloseFile(script_file);
@@ skipping 13 matching lines @@
         // Caller is responsible for freeing the buffer when this function
         // returns true.
         *kernel_ir = buffer;
         return true;
       }
     }
   }
   return false;
 }
 
-
 }  // namespace bin
 }  // namespace dart