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

runtime/vm/clustered_snapshot.h

 // Copyright (c) 2016, 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.
 
 #ifndef RUNTIME_VM_CLUSTERED_SNAPSHOT_H_
 #define RUNTIME_VM_CLUSTERED_SNAPSHOT_H_
 
 #include "platform/assert.h"
 #include "vm/allocation.h"
 #include "vm/bitfield.h"
@@ skipping 46 matching lines @@
 
   // Write the cluster type and information needed to allocate the cluster's
   // objects. For fixed sized objects, this is just the object count. For
   // variable sized objects, this is the object count and length of each object.
   virtual void WriteAlloc(Serializer* serializer) = 0;
 
   // Write the byte and reference data of the cluster's objects.
   virtual void WriteFill(Serializer* serializer) = 0;
 };
 
-
 class DeserializationCluster : public ZoneAllocated {
  public:
   DeserializationCluster() : start_index_(-1), stop_index_(-1) {}
   virtual ~DeserializationCluster() {}
 
   // Allocate memory for all objects in the cluster and write their addresses
   // into the ref array. Do not touch this memory.
   virtual void ReadAlloc(Deserializer* deserializer) = 0;
 
   // Initialize the cluster's objects. Do not touch the memory of other objects.
   virtual void ReadFill(Deserializer* deserializer) = 0;
 
   // Complete any action that requires the full graph to be deserialized, such
   // as rehashing.
   virtual void PostLoad(const Array& refs, Snapshot::Kind kind, Zone* zone) {}
 
  protected:
   // The range of the ref array that belongs to this cluster.
   intptr_t start_index_;
   intptr_t stop_index_;
 };
 
-
 class SmiObjectIdPair {
  public:
   SmiObjectIdPair() : smi_(NULL), id_(0) {}
   RawSmi* smi_;
   intptr_t id_;
 
   bool operator==(const SmiObjectIdPair& other) const {
     return (smi_ == other.smi_) && (id_ == other.id_);
   }
 };
 
-
 class SmiObjectIdPairTrait {
  public:
   typedef RawSmi* Key;
   typedef intptr_t Value;
   typedef SmiObjectIdPair Pair;
 
   static Key KeyOf(Pair kv) { return kv.smi_; }
   static Value ValueOf(Pair kv) { return kv.id_; }
   static inline intptr_t Hashcode(Key key) { return Smi::Value(key); }
   static inline bool IsKeyEqual(Pair kv, Key key) { return kv.smi_ == key; }
 };
 
-
 typedef DirectChainedHashMap<SmiObjectIdPairTrait> SmiObjectIdMap;
 
-
 class Serializer : public StackResource {
  public:
   Serializer(Thread* thread,
              Snapshot::Kind kind,
              uint8_t** buffer,
              ReAlloc alloc,
              intptr_t initial_size,
              ImageWriter* image_writer_);
   ~Serializer();
 
@@ skipping 144 matching lines @@
   SmiObjectIdMap smi_ids_;
 
 #if defined(SNAPSHOT_BACKTRACE)
   RawObject* current_parent_;
   GrowableArray<Object*> parent_pairs_;
 #endif
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(Serializer);
 };
 
-
 class Deserializer : public StackResource {
  public:
   Deserializer(Thread* thread,
                Snapshot::Kind kind,
                const uint8_t* buffer,
                intptr_t size,
                const uint8_t* instructions_buffer,
                const uint8_t* data_buffer);
   ~Deserializer();
 
@@ skipping 79 matching lines @@
   ReadStream stream_;
   ImageReader* image_reader_;
   intptr_t num_base_objects_;
   intptr_t num_objects_;
   intptr_t num_clusters_;
   RawArray* refs_;
   intptr_t next_ref_index_;
   DeserializationCluster** clusters_;
 };
 
-
 class FullSnapshotWriter {
  public:
   static const intptr_t kInitialSize = 64 * KB;
   FullSnapshotWriter(Snapshot::Kind kind,
                      uint8_t** vm_snapshot_data_buffer,
                      uint8_t** isolate_snapshot_data_buffer,
                      ReAlloc alloc,
                      ImageWriter* vm_image_writer,
                      ImageWriter* iso_image_writer);
   ~FullSnapshotWriter();
@@ skipping 38 matching lines @@
 
   // Stats for benchmarking.
   intptr_t clustered_vm_size_;
   intptr_t clustered_isolate_size_;
   intptr_t mapped_data_size_;
   intptr_t mapped_instructions_size_;
 
   DISALLOW_COPY_AND_ASSIGN(FullSnapshotWriter);
 };
 
-
 class FullSnapshotReader {
  public:
   FullSnapshotReader(const Snapshot* snapshot,
                      const uint8_t* instructions_buffer,
                      Thread* thread);
   ~FullSnapshotReader() {}
 
   RawApiError* ReadVMSnapshot();
   RawApiError* ReadIsolateSnapshot();
 
  private:
   Snapshot::Kind kind_;
   Thread* thread_;
   const uint8_t* buffer_;
   intptr_t size_;
   const uint8_t* instructions_buffer_;
   const uint8_t* data_buffer_;
 
   DISALLOW_COPY_AND_ASSIGN(FullSnapshotReader);
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_CLUSTERED_SNAPSHOT_H_