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

runtime/bin/file.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.
 
 #if !defined(DART_IO_DISABLED)
 
 #include "bin/file.h"
 
 #include "bin/builtin.h"
 #include "bin/dartutils.h"
@@ skipping 14 matching lines @@
 // from there to a File pointer.
 static File* GetFile(Dart_NativeArguments args) {
   File* file;
   Dart_Handle dart_this = ThrowIfError(Dart_GetNativeArgument(args, 0));
   ASSERT(Dart_IsInstance(dart_this));
   ThrowIfError(Dart_GetNativeInstanceField(dart_this, kFileNativeFieldIndex,
                                            reinterpret_cast<intptr_t*>(&file)));
   return file;
 }
 
-
 static void SetFile(Dart_Handle dart_this, intptr_t file_pointer) {
   Dart_Handle result = Dart_SetNativeInstanceField(
       dart_this, kFileNativeFieldIndex, file_pointer);
   if (Dart_IsError(result)) {
     Log::PrintErr("SetNativeInstanceField in SetFile() failed\n");
     Dart_PropagateError(result);
   }
 }
 
-
 void FUNCTION_NAME(File_GetPointer)(Dart_NativeArguments args) {
   File* file = GetFile(args);
   // If the file is already closed, GetFile() will return NULL.
   if (file != NULL) {
     // Increment file's reference count. File_GetPointer() should only be called
     // when we are about to send the File* to the IO Service.
     file->Retain();
   }
   intptr_t file_pointer = reinterpret_cast<intptr_t>(file);
   Dart_SetReturnValue(args, Dart_NewInteger(file_pointer));
 }
 
-
 static void ReleaseFile(void* isolate_callback_data,
                         Dart_WeakPersistentHandle handle,
                         void* peer) {
   File* file = reinterpret_cast<File*>(peer);
   file->Release();
 }
 
-
 void FUNCTION_NAME(File_SetPointer)(Dart_NativeArguments args) {
   Dart_Handle dart_this = ThrowIfError(Dart_GetNativeArgument(args, 0));
   intptr_t file_pointer =
       DartUtils::GetIntptrValue(Dart_GetNativeArgument(args, 1));
   File* file = reinterpret_cast<File*>(file_pointer);
   Dart_WeakPersistentHandle handle = Dart_NewWeakPersistentHandle(
       dart_this, reinterpret_cast<void*>(file), sizeof(*file), ReleaseFile);
   file->SetWeakHandle(handle);
   SetFile(dart_this, file_pointer);
 }
 
-
 void FUNCTION_NAME(File_Open)(Dart_NativeArguments args) {
   const char* filename =
       DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
   int64_t mode = DartUtils::GetIntegerValue(Dart_GetNativeArgument(args, 1));
   File::DartFileOpenMode dart_file_mode =
       static_cast<File::DartFileOpenMode>(mode);
   File::FileOpenMode file_mode = File::DartModeToFileMode(dart_file_mode);
   // Check that the file exists before opening it only for
   // reading. This is to prevent the opening of directories as
   // files. Directories can be opened for reading using the posix
   // 'open' call.
   File* file = File::Open(filename, file_mode);
   if (file != NULL) {
     Dart_SetReturnValue(args,
                         Dart_NewInteger(reinterpret_cast<intptr_t>(file)));
   } else {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_Exists)(Dart_NativeArguments args) {
   const char* filename =
       DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
   bool exists = File::Exists(filename);
   Dart_SetReturnValue(args, Dart_NewBoolean(exists));
 }
 
-
 void FUNCTION_NAME(File_Close)(Dart_NativeArguments args) {
   File* file = GetFile(args);
   ASSERT(file != NULL);
   file->Close();
   file->DeleteWeakHandle(Dart_CurrentIsolate());
   file->Release();
 
   // NULL-out the now potentially dangling pointer.
   Dart_Handle dart_this = Dart_GetNativeArgument(args, 0);
   SetFile(dart_this, 0);
   Dart_SetReturnValue(args, Dart_NewInteger(0));
 }
 
-
 void FUNCTION_NAME(File_ReadByte)(Dart_NativeArguments args) {
   File* file = GetFile(args);
   ASSERT(file != NULL);
   uint8_t buffer;
   int64_t bytes_read = file->Read(reinterpret_cast<void*>(&buffer), 1);
   if (bytes_read == 1) {
     Dart_SetReturnValue(args, Dart_NewInteger(buffer));
   } else if (bytes_read == 0) {
     Dart_SetReturnValue(args, Dart_NewInteger(-1));
   } else {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_WriteByte)(Dart_NativeArguments args) {
   File* file = GetFile(args);
   ASSERT(file != NULL);
   int64_t byte = 0;
   if (DartUtils::GetInt64Value(Dart_GetNativeArgument(args, 1), &byte)) {
     uint8_t buffer = static_cast<uint8_t>(byte & 0xff);
     bool success = file->WriteFully(reinterpret_cast<void*>(&buffer), 1);
     if (success) {
       Dart_SetReturnValue(args, Dart_NewInteger(1));
     } else {
       Dart_SetReturnValue(args, DartUtils::NewDartOSError());
     }
   } else {
     OSError os_error(-1, "Invalid argument", OSError::kUnknown);
     Dart_SetReturnValue(args, DartUtils::NewDartOSError(&os_error));
   }
 }
 
-
 void FUNCTION_NAME(File_Read)(Dart_NativeArguments args) {
   File* file = GetFile(args);
   ASSERT(file != NULL);
   Dart_Handle length_object = Dart_GetNativeArgument(args, 1);
   int64_t length = 0;
   if (DartUtils::GetInt64Value(length_object, &length)) {
     uint8_t* buffer = NULL;
     Dart_Handle external_array = IOBuffer::Allocate(length, &buffer);
     int64_t bytes_read = file->Read(reinterpret_cast<void*>(buffer), length);
     if (bytes_read < 0) {
@@ skipping 18 matching lines @@
       } else {
         Dart_SetReturnValue(args, external_array);
       }
     }
   } else {
     OSError os_error(-1, "Invalid argument", OSError::kUnknown);
     Dart_SetReturnValue(args, DartUtils::NewDartOSError(&os_error));
   }
 }
 
-
 void FUNCTION_NAME(File_ReadInto)(Dart_NativeArguments args) {
   File* file = GetFile(args);
   ASSERT(file != NULL);
   Dart_Handle buffer_obj = Dart_GetNativeArgument(args, 1);
   ASSERT(Dart_IsList(buffer_obj));
   // start and end arguments are checked in Dart code to be
   // integers and have the property that end <=
   // list.length. Therefore, it is safe to extract their value as
   // intptr_t.
   intptr_t start = DartUtils::GetIntptrValue(Dart_GetNativeArgument(args, 2));
@@ skipping 12 matching lines @@
     if (Dart_IsError(result)) {
       Dart_SetReturnValue(args, result);
     } else {
       Dart_SetReturnValue(args, Dart_NewInteger(bytes_read));
     }
   } else {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_WriteFrom)(Dart_NativeArguments args) {
   File* file = GetFile(args);
   ASSERT(file != NULL);
 
   Dart_Handle buffer_obj = Dart_GetNativeArgument(args, 1);
 
   // Offset and length arguments are checked in Dart code to be
   // integers and have the property that (offset + length) <=
   // list.length. Therefore, it is safe to extract their value as
   // intptr_t.
@@ skipping 26 matching lines @@
     Dart_PropagateError(result);
   }
 
   if (!success) {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   } else {
     Dart_SetReturnValue(args, Dart_Null());
   }
 }
 
-
 void FUNCTION_NAME(File_Position)(Dart_NativeArguments args) {
   File* file = GetFile(args);
   ASSERT(file != NULL);
   intptr_t return_value = file->Position();
   if (return_value >= 0) {
     Dart_SetReturnValue(args, Dart_NewInteger(return_value));
   } else {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_SetPosition)(Dart_NativeArguments args) {
   File* file = GetFile(args);
   ASSERT(file != NULL);
   int64_t position = 0;
   if (DartUtils::GetInt64Value(Dart_GetNativeArgument(args, 1), &position)) {
     if (file->SetPosition(position)) {
       Dart_SetReturnValue(args, Dart_True());
     } else {
       Dart_SetReturnValue(args, DartUtils::NewDartOSError());
     }
   } else {
     OSError os_error(-1, "Invalid argument", OSError::kUnknown);
     Dart_SetReturnValue(args, DartUtils::NewDartOSError(&os_error));
   }
 }
 
-
 void FUNCTION_NAME(File_Truncate)(Dart_NativeArguments args) {
   File* file = GetFile(args);
   ASSERT(file != NULL);
   int64_t length = 0;
   if (DartUtils::GetInt64Value(Dart_GetNativeArgument(args, 1), &length)) {
     if (file->Truncate(length)) {
       Dart_SetReturnValue(args, Dart_True());
     } else {
       Dart_SetReturnValue(args, DartUtils::NewDartOSError());
     }
   } else {
     OSError os_error(-1, "Invalid argument", OSError::kUnknown);
     Dart_SetReturnValue(args, DartUtils::NewDartOSError(&os_error));
   }
 }
 
-
 void FUNCTION_NAME(File_Length)(Dart_NativeArguments args) {
   File* file = GetFile(args);
   ASSERT(file != NULL);
   int64_t return_value = file->Length();
   if (return_value >= 0) {
     Dart_SetReturnValue(args, Dart_NewInteger(return_value));
   } else {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_LengthFromPath)(Dart_NativeArguments args) {
   const char* path = DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
   int64_t return_value = File::LengthFromPath(path);
   if (return_value >= 0) {
     Dart_SetReturnValue(args, Dart_NewInteger(return_value));
   } else {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_LastModified)(Dart_NativeArguments args) {
   const char* name = DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
   int64_t return_value = File::LastModified(name);
   if (return_value >= 0) {
     Dart_SetReturnValue(args,
                         Dart_NewInteger(return_value * kMillisecondsPerSecond));
   } else {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_SetLastModified)(Dart_NativeArguments args) {
   const char* name = DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
   int64_t millis;
   if (!DartUtils::GetInt64Value(Dart_GetNativeArgument(args, 1), &millis)) {
     Dart_ThrowException(DartUtils::NewDartArgumentError(
         "The second argument must be a 64-bit int."));
   }
   if (!File::SetLastModified(name, millis)) {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_LastAccessed)(Dart_NativeArguments args) {
   const char* name = DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
   int64_t return_value = File::LastAccessed(name);
   if (return_value >= 0) {
     Dart_SetReturnValue(args,
                         Dart_NewInteger(return_value * kMillisecondsPerSecond));
   } else {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_SetLastAccessed)(Dart_NativeArguments args) {
   const char* name = DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
   int64_t millis;
   if (!DartUtils::GetInt64Value(Dart_GetNativeArgument(args, 1), &millis)) {
     Dart_ThrowException(DartUtils::NewDartArgumentError(
         "The second argument must be a 64-bit int."));
   }
   if (!File::SetLastAccessed(name, millis)) {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_Flush)(Dart_NativeArguments args) {
   File* file = GetFile(args);
   ASSERT(file != NULL);
   if (file->Flush()) {
     Dart_SetReturnValue(args, Dart_True());
   } else {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_Lock)(Dart_NativeArguments args) {
   File* file = GetFile(args);
   ASSERT(file != NULL);
   int64_t lock;
   int64_t start;
   int64_t end;
   if (DartUtils::GetInt64Value(Dart_GetNativeArgument(args, 1), &lock) &&
       DartUtils::GetInt64Value(Dart_GetNativeArgument(args, 2), &start) &&
       DartUtils::GetInt64Value(Dart_GetNativeArgument(args, 3), &end)) {
     if ((lock >= File::kLockMin) && (lock <= File::kLockMax) && (start >= 0) &&
         (end == -1 || end > start)) {
       if (file->Lock(static_cast<File::LockType>(lock), start, end)) {
         Dart_SetReturnValue(args, Dart_True());
       } else {
         Dart_SetReturnValue(args, DartUtils::NewDartOSError());
       }
       return;
     }
   }
   OSError os_error(-1, "Invalid argument", OSError::kUnknown);
   Dart_SetReturnValue(args, DartUtils::NewDartOSError(&os_error));
 }
 
-
 void FUNCTION_NAME(File_Create)(Dart_NativeArguments args) {
   const char* str = DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
   bool result = File::Create(str);
   if (result) {
     Dart_SetReturnValue(args, Dart_NewBoolean(result));
   } else {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_CreateLink)(Dart_NativeArguments args) {
   if (Dart_IsString(Dart_GetNativeArgument(args, 0)) &&
       Dart_IsString(Dart_GetNativeArgument(args, 1))) {
     const char* name =
         DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
     const char* target =
         DartUtils::GetStringValue(Dart_GetNativeArgument(args, 1));
     if (!File::CreateLink(name, target)) {
       Dart_SetReturnValue(args, DartUtils::NewDartOSError());
     }
   } else {
     Dart_Handle err =
         DartUtils::NewDartArgumentError("Non-string argument to Link.create");
     Dart_SetReturnValue(args, err);
   }
 }
 
-
 void FUNCTION_NAME(File_LinkTarget)(Dart_NativeArguments args) {
   if (Dart_IsString(Dart_GetNativeArgument(args, 0))) {
     const char* name =
         DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
     const char* target = File::LinkTarget(name);
     if (target == NULL) {
       Dart_SetReturnValue(args, DartUtils::NewDartOSError());
     } else {
       Dart_SetReturnValue(args, DartUtils::NewString(target));
     }
   } else {
     Dart_Handle err =
         DartUtils::NewDartArgumentError("Non-string argument to Link.target");
     Dart_SetReturnValue(args, err);
   }
 }
 
-
 void FUNCTION_NAME(File_Delete)(Dart_NativeArguments args) {
   const char* str = DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
   bool result = File::Delete(str);
   if (result) {
     Dart_SetReturnValue(args, Dart_NewBoolean(result));
   } else {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_DeleteLink)(Dart_NativeArguments args) {
   const char* str = DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
   bool result = File::DeleteLink(str);
   if (result) {
     Dart_SetReturnValue(args, Dart_NewBoolean(result));
   } else {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_Rename)(Dart_NativeArguments args) {
   const char* old_path =
       DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
   const char* new_path =
       DartUtils::GetStringValue(Dart_GetNativeArgument(args, 1));
   bool result = File::Rename(old_path, new_path);
   if (result) {
     Dart_SetReturnValue(args, Dart_NewBoolean(result));
   } else {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_RenameLink)(Dart_NativeArguments args) {
   const char* old_path =
       DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
   const char* new_path =
       DartUtils::GetStringValue(Dart_GetNativeArgument(args, 1));
   bool result = File::RenameLink(old_path, new_path);
   if (result) {
     Dart_SetReturnValue(args, Dart_NewBoolean(result));
   } else {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_Copy)(Dart_NativeArguments args) {
   const char* old_path =
       DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
   const char* new_path =
       DartUtils::GetStringValue(Dart_GetNativeArgument(args, 1));
   bool result = File::Copy(old_path, new_path);
   if (result) {
     Dart_SetReturnValue(args, Dart_NewBoolean(result));
   } else {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_ResolveSymbolicLinks)(Dart_NativeArguments args) {
   const char* str = DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
   const char* path = File::GetCanonicalPath(str);
   if (path != NULL) {
     Dart_SetReturnValue(args, DartUtils::NewString(path));
   } else {
     Dart_SetReturnValue(args, DartUtils::NewDartOSError());
   }
 }
 
-
 void FUNCTION_NAME(File_OpenStdio)(Dart_NativeArguments args) {
   int64_t fd = DartUtils::GetIntegerValue(Dart_GetNativeArgument(args, 0));
   ASSERT((fd == STDIN_FILENO) || (fd == STDOUT_FILENO) ||
          (fd == STDERR_FILENO));
   File* file = File::OpenStdio(static_cast<int>(fd));
   Dart_SetReturnValue(args, Dart_NewInteger(reinterpret_cast<intptr_t>(file)));
 }
 
-
 void FUNCTION_NAME(File_GetStdioHandleType)(Dart_NativeArguments args) {
   int64_t fd = DartUtils::GetIntegerValue(Dart_GetNativeArgument(args, 0));
   ASSERT((fd == STDIN_FILENO) || (fd == STDOUT_FILENO) ||
          (fd == STDERR_FILENO));
   File::StdioHandleType type = File::GetStdioHandleType(static_cast<int>(fd));
   Dart_SetReturnValue(args, Dart_NewInteger(type));
 }
 
-
 void FUNCTION_NAME(File_GetType)(Dart_NativeArguments args) {
   if (Dart_IsString(Dart_GetNativeArgument(args, 0)) &&
       Dart_IsBoolean(Dart_GetNativeArgument(args, 1))) {
     const char* str =
         DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
     bool follow_links =
         DartUtils::GetBooleanValue(Dart_GetNativeArgument(args, 1));
     File::Type type = File::GetType(str, follow_links);
     Dart_SetReturnValue(args, Dart_NewInteger(static_cast<int>(type)));
   } else {
     Dart_Handle err = DartUtils::NewDartArgumentError(
         "Non-string argument to FileSystemEntity.type");
     Dart_SetReturnValue(args, err);
   }
 }
 
-
 void FUNCTION_NAME(File_Stat)(Dart_NativeArguments args) {
   if (Dart_IsString(Dart_GetNativeArgument(args, 0))) {
     const char* path =
         DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
 
     int64_t stat_data[File::kStatSize];
     File::Stat(path, stat_data);
     if (stat_data[File::kType] == File::kDoesNotExist) {
       Dart_SetReturnValue(args, DartUtils::NewDartOSError());
     } else {
@@ skipping 18 matching lines @@
       }
       Dart_SetReturnValue(args, returned_data);
     }
   } else {
     Dart_Handle err = DartUtils::NewDartArgumentError(
         "Non-string argument to FileSystemEntity.stat");
     Dart_SetReturnValue(args, err);
   }
 }
 
-
 void FUNCTION_NAME(File_AreIdentical)(Dart_NativeArguments args) {
   if (Dart_IsString(Dart_GetNativeArgument(args, 0)) &&
       Dart_IsString(Dart_GetNativeArgument(args, 1))) {
     const char* path_1 =
         DartUtils::GetStringValue(Dart_GetNativeArgument(args, 0));
     const char* path_2 =
         DartUtils::GetStringValue(Dart_GetNativeArgument(args, 1));
     File::Identical result = File::AreIdentical(path_1, path_2);
     if (result == File::kError) {
       Dart_SetReturnValue(args, DartUtils::NewDartOSError());
     } else {
       Dart_SetReturnValue(args, Dart_NewBoolean(result == File::kIdentical));
     }
   } else {
     Dart_Handle err = DartUtils::NewDartArgumentError(
         "Non-string argument to FileSystemEntity.identical");
     Dart_SetReturnValue(args, err);
   }
 }
 
-
 static int64_t CObjectInt32OrInt64ToInt64(CObject* cobject) {
   ASSERT(cobject->IsInt32OrInt64());
   int64_t result;
   if (cobject->IsInt32()) {
     CObjectInt32 value(cobject);
     result = value.Value();
   } else {
     CObjectInt64 value(cobject);
     result = value.Value();
   }
   return result;
 }
 
-
 File* CObjectToFilePointer(CObject* cobject) {
   CObjectIntptr value(cobject);
   return reinterpret_cast<File*>(value.Value());
 }
 
-
 CObject* File::ExistsRequest(const CObjectArray& request) {
   if ((request.Length() == 1) && request[0]->IsString()) {
     CObjectString filename(request[0]);
     bool result = File::Exists(filename.CString());
     return CObject::Bool(result);
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::CreateRequest(const CObjectArray& request) {
   if ((request.Length() == 1) && request[0]->IsString()) {
     CObjectString filename(request[0]);
     bool result = File::Create(filename.CString());
     if (result) {
       return CObject::True();
     } else {
       return CObject::NewOSError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::OpenRequest(const CObjectArray& request) {
   File* file = NULL;
   if ((request.Length() == 2) && request[0]->IsString() &&
       request[1]->IsInt32()) {
     CObjectString filename(request[0]);
     CObjectInt32 mode(request[1]);
     File::DartFileOpenMode dart_file_mode =
         static_cast<File::DartFileOpenMode>(mode.Value());
     File::FileOpenMode file_mode = File::DartModeToFileMode(dart_file_mode);
     file = File::Open(filename.CString(), file_mode);
     if (file != NULL) {
       return new CObjectIntptr(
           CObject::NewIntptr(reinterpret_cast<intptr_t>(file)));
     } else {
       return CObject::NewOSError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::DeleteRequest(const CObjectArray& request) {
   if ((request.Length() == 1) && request[0]->IsString()) {
     CObjectString filename(request[0]);
     bool result = File::Delete(filename.CString());
     if (result) {
       return CObject::True();
     } else {
       return CObject::NewOSError();
     }
   }
   return CObject::False();
 }
 
-
 CObject* File::RenameRequest(const CObjectArray& request) {
   if ((request.Length() == 2) && request[0]->IsString() &&
       request[1]->IsString()) {
     CObjectString old_path(request[0]);
     CObjectString new_path(request[1]);
     bool completed = File::Rename(old_path.CString(), new_path.CString());
     if (completed) {
       return CObject::True();
     }
     return CObject::NewOSError();
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::CopyRequest(const CObjectArray& request) {
   if ((request.Length() == 2) && request[0]->IsString() &&
       request[1]->IsString()) {
     CObjectString old_path(request[0]);
     CObjectString new_path(request[1]);
     bool completed = File::Copy(old_path.CString(), new_path.CString());
     if (completed) {
       return CObject::True();
     }
     return CObject::NewOSError();
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::ResolveSymbolicLinksRequest(const CObjectArray& request) {
   if ((request.Length() == 1) && request[0]->IsString()) {
     CObjectString filename(request[0]);
     const char* result = File::GetCanonicalPath(filename.CString());
     if (result != NULL) {
       CObject* path = new CObjectString(CObject::NewString(result));
       return path;
     } else {
       return CObject::NewOSError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::CloseRequest(const CObjectArray& request) {
   intptr_t return_value = -1;
   if ((request.Length() == 1) && request[0]->IsIntptr()) {
     File* file = CObjectToFilePointer(request[0]);
     RefCntReleaseScope<File> rs(file);
     return_value = 0;
     // We have retained a reference to the file here. Therefore the file's
     // destructor can't be running. Since no further requests are dispatched by
     // the Dart code after an async close call, this Close() can't be racing
     // with any other call on the file. We don't do an extra Release(), and we
     // don't delete the weak persistent handle. The file is closed here, but the
     // memory will be cleaned up when the finalizer runs.
     ASSERT(!file->IsClosed());
     file->Close();
   }
   return new CObjectIntptr(CObject::NewIntptr(return_value));
 }
 
-
 CObject* File::PositionRequest(const CObjectArray& request) {
   if ((request.Length() == 1) && request[0]->IsIntptr()) {
     File* file = CObjectToFilePointer(request[0]);
     RefCntReleaseScope<File> rs(file);
     if (!file->IsClosed()) {
       intptr_t return_value = file->Position();
       if (return_value >= 0) {
         return new CObjectIntptr(CObject::NewIntptr(return_value));
       } else {
         return CObject::NewOSError();
       }
     } else {
       return CObject::FileClosedError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::SetPositionRequest(const CObjectArray& request) {
   if ((request.Length() >= 1) && request[0]->IsIntptr()) {
     File* file = CObjectToFilePointer(request[0]);
     RefCntReleaseScope<File> rs(file);
     if ((request.Length() == 2) && request[1]->IsInt32OrInt64()) {
       if (!file->IsClosed()) {
         int64_t position = CObjectInt32OrInt64ToInt64(request[1]);
         if (file->SetPosition(position)) {
           return CObject::True();
         } else {
           return CObject::NewOSError();
         }
       } else {
         return CObject::FileClosedError();
       }
     } else {
       return CObject::IllegalArgumentError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::TruncateRequest(const CObjectArray& request) {
   if ((request.Length() >= 1) && request[0]->IsIntptr()) {
     File* file = CObjectToFilePointer(request[0]);
     RefCntReleaseScope<File> rs(file);
     if ((request.Length() == 2) && request[1]->IsInt32OrInt64()) {
       if (!file->IsClosed()) {
         int64_t length = CObjectInt32OrInt64ToInt64(request[1]);
         if (file->Truncate(length)) {
           return CObject::True();
         } else {
           return CObject::NewOSError();
         }
       } else {
         return CObject::FileClosedError();
       }
     } else {
       return CObject::IllegalArgumentError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::LengthRequest(const CObjectArray& request) {
   if ((request.Length() == 1) && request[0]->IsIntptr()) {
     File* file = CObjectToFilePointer(request[0]);
     RefCntReleaseScope<File> rs(file);
     if (!file->IsClosed()) {
       int64_t return_value = file->Length();
       if (return_value >= 0) {
         return new CObjectInt64(CObject::NewInt64(return_value));
       } else {
         return CObject::NewOSError();
       }
     } else {
       return CObject::FileClosedError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::LengthFromPathRequest(const CObjectArray& request) {
   if ((request.Length() == 1) && request[0]->IsString()) {
     CObjectString filepath(request[0]);
     int64_t return_value = File::LengthFromPath(filepath.CString());
     if (return_value >= 0) {
       return new CObjectInt64(CObject::NewInt64(return_value));
     } else {
       return CObject::NewOSError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::LastAccessedRequest(const CObjectArray& request) {
   if ((request.Length() == 1) && request[0]->IsString()) {
     CObjectString filepath(request[0]);
     int64_t return_value = File::LastAccessed(filepath.CString());
     if (return_value >= 0) {
       return new CObjectIntptr(
           CObject::NewInt64(return_value * kMillisecondsPerSecond));
     } else {
       return CObject::NewOSError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::SetLastAccessedRequest(const CObjectArray& request) {
   if ((request.Length() == 2) && request[0]->IsString() &&
       request[1]->IsInt32OrInt64()) {
     CObjectString filepath(request[0]);
     const int64_t millis = CObjectInt32OrInt64ToInt64(request[1]);
     if (File::SetLastAccessed(filepath.CString(), millis)) {
       return CObject::Null();
     } else {
       return CObject::NewOSError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::LastModifiedRequest(const CObjectArray& request) {
   if ((request.Length() == 1) && request[0]->IsString()) {
     CObjectString filepath(request[0]);
     int64_t return_value = File::LastModified(filepath.CString());
     if (return_value >= 0) {
       return new CObjectIntptr(
           CObject::NewInt64(return_value * kMillisecondsPerSecond));
     } else {
       return CObject::NewOSError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::SetLastModifiedRequest(const CObjectArray& request) {
   if ((request.Length() == 2) && request[0]->IsString() &&
       request[1]->IsInt32OrInt64()) {
     CObjectString filepath(request[0]);
     const int64_t millis = CObjectInt32OrInt64ToInt64(request[1]);
     if (File::SetLastModified(filepath.CString(), millis)) {
       return CObject::Null();
     } else {
       return CObject::NewOSError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::FlushRequest(const CObjectArray& request) {
   if ((request.Length() == 1) && request[0]->IsIntptr()) {
     File* file = CObjectToFilePointer(request[0]);
     RefCntReleaseScope<File> rs(file);
     if (!file->IsClosed()) {
       if (file->Flush()) {
         return CObject::True();
       } else {
         return CObject::NewOSError();
       }
     } else {
       return CObject::FileClosedError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::ReadByteRequest(const CObjectArray& request) {
   if ((request.Length() == 1) && request[0]->IsIntptr()) {
     File* file = CObjectToFilePointer(request[0]);
     RefCntReleaseScope<File> rs(file);
     if (!file->IsClosed()) {
       uint8_t buffer;
       int64_t bytes_read = file->Read(reinterpret_cast<void*>(&buffer), 1);
       if (bytes_read > 0) {
         return new CObjectIntptr(CObject::NewIntptr(buffer));
       } else if (bytes_read == 0) {
         return new CObjectIntptr(CObject::NewIntptr(-1));
       } else {
         return CObject::NewOSError();
       }
     } else {
       return CObject::FileClosedError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::WriteByteRequest(const CObjectArray& request) {
   if ((request.Length() >= 1) && request[0]->IsIntptr()) {
     File* file = CObjectToFilePointer(request[0]);
     RefCntReleaseScope<File> rs(file);
     if ((request.Length() == 2) && request[1]->IsInt32OrInt64()) {
       if (!file->IsClosed()) {
         int64_t byte = CObjectInt32OrInt64ToInt64(request[1]);
         uint8_t buffer = static_cast<uint8_t>(byte & 0xff);
         bool success = file->WriteFully(reinterpret_cast<void*>(&buffer), 1);
         if (success) {
           return new CObjectInt64(CObject::NewInt64(1));
         } else {
           return CObject::NewOSError();
         }
       } else {
         return CObject::FileClosedError();
       }
     } else {
       return CObject::IllegalArgumentError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::ReadRequest(const CObjectArray& request) {
   if ((request.Length() >= 1) && request[0]->IsIntptr()) {
     File* file = CObjectToFilePointer(request[0]);
     RefCntReleaseScope<File> rs(file);
     if ((request.Length() == 2) && request[1]->IsInt32OrInt64()) {
       if (!file->IsClosed()) {
         int64_t length = CObjectInt32OrInt64ToInt64(request[1]);
         Dart_CObject* io_buffer = CObject::NewIOBuffer(length);
         ASSERT(io_buffer != NULL);
         uint8_t* data = io_buffer->value.as_external_typed_data.data;
@@ skipping 13 matching lines @@
       } else {
         return CObject::FileClosedError();
       }
     } else {
       return CObject::IllegalArgumentError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::ReadIntoRequest(const CObjectArray& request) {
   if ((request.Length() >= 1) && request[0]->IsIntptr()) {
     File* file = CObjectToFilePointer(request[0]);
     RefCntReleaseScope<File> rs(file);
     if ((request.Length() == 2) && request[1]->IsInt32OrInt64()) {
       if (!file->IsClosed()) {
         int64_t length = CObjectInt32OrInt64ToInt64(request[1]);
         Dart_CObject* io_buffer = CObject::NewIOBuffer(length);
         ASSERT(io_buffer != NULL);
         uint8_t* data = io_buffer->value.as_external_typed_data.data;
@@ skipping 14 matching lines @@
       } else {
         return CObject::FileClosedError();
       }
     } else {
       return CObject::IllegalArgumentError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 static int SizeInBytes(Dart_TypedData_Type type) {
   switch (type) {
     case Dart_TypedData_kInt8:
     case Dart_TypedData_kUint8:
     case Dart_TypedData_kUint8Clamped:
       return 1;
     case Dart_TypedData_kInt16:
     case Dart_TypedData_kUint16:
       return 2;
     case Dart_TypedData_kInt32:
     case Dart_TypedData_kUint32:
     case Dart_TypedData_kFloat32:
       return 4;
     case Dart_TypedData_kInt64:
     case Dart_TypedData_kUint64:
     case Dart_TypedData_kFloat64:
       return 8;
     default:
       break;
   }
   UNREACHABLE();
   return -1;
 }
 
-
 CObject* File::WriteFromRequest(const CObjectArray& request) {
   if ((request.Length() >= 1) && request[0]->IsIntptr()) {
     File* file = CObjectToFilePointer(request[0]);
     RefCntReleaseScope<File> rs(file);
     if ((request.Length() == 4) &&
         (request[1]->IsTypedData() || request[1]->IsArray()) &&
         request[2]->IsInt32OrInt64() && request[3]->IsInt32OrInt64()) {
       if (!file->IsClosed()) {
         int64_t start = CObjectInt32OrInt64ToInt64(request[2]);
         int64_t end = CObjectInt32OrInt64ToInt64(request[3]);
@@ skipping 28 matching lines @@
       } else {
         return CObject::FileClosedError();
       }
     } else {
       return CObject::IllegalArgumentError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::CreateLinkRequest(const CObjectArray& request) {
   if ((request.Length() != 2) || !request[0]->IsString() ||
       !request[1]->IsString()) {
     return CObject::IllegalArgumentError();
   }
   CObjectString link_name(request[0]);
   CObjectString target_name(request[1]);
   if (File::CreateLink(link_name.CString(), target_name.CString())) {
     return CObject::True();
   } else {
     return CObject::NewOSError();
   }
 }
 
-
 CObject* File::DeleteLinkRequest(const CObjectArray& request) {
   if ((request.Length() == 1) && request[0]->IsString()) {
     CObjectString link_path(request[0]);
     bool result = File::DeleteLink(link_path.CString());
     if (result) {
       return CObject::True();
     } else {
       return CObject::NewOSError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::RenameLinkRequest(const CObjectArray& request) {
   if ((request.Length() == 2) && request[0]->IsString() &&
       request[1]->IsString()) {
     CObjectString old_path(request[0]);
     CObjectString new_path(request[1]);
     bool completed = File::RenameLink(old_path.CString(), new_path.CString());
     if (completed) {
       return CObject::True();
     }
     return CObject::NewOSError();
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::LinkTargetRequest(const CObjectArray& request) {
   if ((request.Length() == 1) && request[0]->IsString()) {
     CObjectString link_path(request[0]);
     const char* target = File::LinkTarget(link_path.CString());
     if (target != NULL) {
       CObject* result = new CObjectString(CObject::NewString(target));
       return result;
     } else {
       return CObject::NewOSError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::TypeRequest(const CObjectArray& request) {
   if ((request.Length() == 2) && request[0]->IsString() &&
       request[1]->IsBool()) {
     CObjectString path(request[0]);
     CObjectBool follow_links(request[1]);
     File::Type type = File::GetType(path.CString(), follow_links.Value());
     return new CObjectInt32(CObject::NewInt32(type));
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::IdenticalRequest(const CObjectArray& request) {
   if ((request.Length() == 2) && request[0]->IsString() &&
       request[1]->IsString()) {
     CObjectString path1(request[0]);
     CObjectString path2(request[1]);
     File::Identical result =
         File::AreIdentical(path1.CString(), path2.CString());
     if (result == File::kError) {
       return CObject::NewOSError();
     } else if (result == File::kIdentical) {
       return CObject::True();
     } else {
       return CObject::False();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::StatRequest(const CObjectArray& request) {
   if ((request.Length() == 1) && request[0]->IsString()) {
     int64_t data[File::kStatSize];
     CObjectString path(request[0]);
     File::Stat(path.CString(), data);
     if (data[File::kType] == File::kDoesNotExist) {
       return CObject::NewOSError();
     }
     CObjectArray* result = new CObjectArray(CObject::NewArray(File::kStatSize));
     for (int i = 0; i < File::kStatSize; ++i) {
       result->SetAt(i, new CObjectInt64(CObject::NewInt64(data[i])));
     }
     CObjectArray* wrapper = new CObjectArray(CObject::NewArray(2));
     wrapper->SetAt(0, new CObjectInt32(CObject::NewInt32(CObject::kSuccess)));
     wrapper->SetAt(1, result);
     return wrapper;
   }
   return CObject::IllegalArgumentError();
 }
 
-
 CObject* File::LockRequest(const CObjectArray& request) {
   if ((request.Length() >= 1) && request[0]->IsIntptr()) {
     File* file = CObjectToFilePointer(request[0]);
     RefCntReleaseScope<File> rs(file);
     if ((request.Length() == 4) && request[1]->IsInt32OrInt64() &&
         request[2]->IsInt32OrInt64() && request[3]->IsInt32OrInt64()) {
       if (!file->IsClosed()) {
         int64_t lock = CObjectInt32OrInt64ToInt64(request[1]);
         int64_t start = CObjectInt32OrInt64ToInt64(request[2]);
         int64_t end = CObjectInt32OrInt64ToInt64(request[3]);
         if (file->Lock(static_cast<File::LockType>(lock), start, end)) {
           return CObject::True();
         } else {
           return CObject::NewOSError();
         }
       } else {
         return CObject::FileClosedError();
       }
     } else {
       return CObject::IllegalArgumentError();
     }
   }
   return CObject::IllegalArgumentError();
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // !defined(DART_IO_DISABLED)