Remove dead full snapshot support from the recursive descent serializer.

runtime/vm/raw_object.h

 // 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.
 
 #ifndef VM_RAW_OBJECT_H_
 #define VM_RAW_OBJECT_H_
 
 #include "platform/assert.h"
 #include "vm/atomic.h"
 #include "vm/globals.h"
@@ skipping 1153 matching lines @@
       RawObject* raw_obj_;
       uword raw_value_;
     };
   };
   Entry* data() { OPEN_ARRAY_START(Entry, Entry); }
   Entry const* data() const { OPEN_ARRAY_START(Entry, Entry); }
 
   Entry* first_entry() { return &ptr()->data()[0]; }
 
   friend class Object;
-  friend class SnapshotReader;
 };
 
 
 class RawInstructions : public RawObject {
   RAW_HEAP_OBJECT_IMPLEMENTATION(Instructions);
 
   int32_t size_;
 
   // Variable length data follows here.
   uint8_t* data() { OPEN_ARRAY_START(uint8_t, uint8_t); }
@@ skipping 62 matching lines @@
  private:
   RAW_HEAP_OBJECT_IMPLEMENTATION(PcDescriptors);
 
   int32_t length_;  // Number of descriptors.
 
   // Variable length data follows here.
   uint8_t* data() { OPEN_ARRAY_START(uint8_t, intptr_t); }
   const uint8_t* data() const { OPEN_ARRAY_START(uint8_t, intptr_t); }
 
   friend class Object;
-  friend class SnapshotReader;
 };
 
 
 // CodeSourceMap stores a mapping between code PC ranges and source token
 // positions.
 class RawCodeSourceMap : public RawObject {
  private:
   RAW_HEAP_OBJECT_IMPLEMENTATION(CodeSourceMap);
 
   int32_t length_;  // Number of entries.
 
   // Variable length data follows here.
   uint8_t* data() { OPEN_ARRAY_START(uint8_t, intptr_t); }
   const uint8_t* data() const { OPEN_ARRAY_START(uint8_t, intptr_t); }
 
   friend class Object;
-  friend class SnapshotReader;
 };
 
 
 // Stackmap is an immutable representation of the layout of the stack at a
 // PC. The stack map representation consists of a bit map which marks each
 // live object index starting from the base of the frame.
 //
 // The bit map representation is optimized for dense and small bit maps, without
 // any upper bound.
 class RawStackmap : public RawObject {
   RAW_HEAP_OBJECT_IMPLEMENTATION(Stackmap);
 
   // Regarding changing this to a bitfield: ARM64 requires register_bit_count_
   // to be as large as 96, meaning 7 bits, leaving 25 bits for the length, or
   // as large as ~33 million entries. If that is sufficient, then these two
   // fields can be merged into a BitField.
   int32_t length_;  // Length of payload, in bits.
   int32_t slow_path_bit_count_;  // Slow path live values, included in length_.
 
   // Offset from code entry point corresponding to this stack map
   // representation.
   uint32_t pc_offset_;
 
   // Variable length data follows here (bitmap of the stack layout).
   uint8_t* data() { OPEN_ARRAY_START(uint8_t, uint8_t); }
   const uint8_t* data() const { OPEN_ARRAY_START(uint8_t, uint8_t); }
-
-  friend class SnapshotReader;
 };
 
 
 class RawLocalVarDescriptors : public RawObject {
  public:
   enum VarInfoKind {
     kStackVar = 1,
     kContextVar,
     kContextLevel,
     kSavedCurrentContext,
@@ skipping 53 matching lines @@
   RawObject** to(intptr_t num_entries) {
     return reinterpret_cast<RawObject**>(nameAddrAt(num_entries - 1));
   }
 
   // Variable info with [num_entries_] entries.
   VarInfo* data() {
     return reinterpret_cast<VarInfo*>(nameAddrAt(ptr()->num_entries_));
   }
 
   friend class Object;
-  friend class SnapshotReader;
 };
 
 
 class RawExceptionHandlers : public RawObject {
  public:
   // The index into the ExceptionHandlers table corresponds to
   // the try_index of the handler.
   struct HandlerInfo {
     uint32_t handler_pc_offset;  // PC offset value of handler.
     int16_t outer_try_index;   // Try block index of enclosing try block.
     int8_t needs_stacktrace;   // True if a stacktrace is needed.
     int8_t has_catch_all;      // Catches all exceptions.
   };
 
  private:
   RAW_HEAP_OBJECT_IMPLEMENTATION(ExceptionHandlers);
 
   // Number of exception handler entries.
   int32_t num_entries_;
 
   // Array with [num_entries_] entries. Each entry is an array of all handled
   // exception types.
   RawArray* handled_types_data_;
 
   // Exception handler info of length [num_entries_].
   const HandlerInfo* data() const { OPEN_ARRAY_START(HandlerInfo, intptr_t); }
   HandlerInfo* data() { OPEN_ARRAY_START(HandlerInfo, intptr_t); }
 
   friend class Object;
-  friend class SnapshotReader;
 };
 
 
 class RawContext : public RawObject {
   RAW_HEAP_OBJECT_IMPLEMENTATION(Context);
 
   int32_t num_variables_;
 
   RawObject** from() { return reinterpret_cast<RawObject**>(&ptr()->parent_); }
   RawContext* parent_;
@@ skipping 1009 matching lines @@
   COMPILE_ASSERT(kExternalTypedDataInt8ArrayCid ==
                  kTypedDataInt8ArrayViewCid + 15);
   COMPILE_ASSERT(kByteBufferCid == kExternalTypedDataInt8ArrayCid + 14);
   COMPILE_ASSERT(kNullCid == kByteBufferCid + 1);
   return (kNullCid - kTypedDataInt8ArrayCid);
 }
 
 }  // namespace dart
 
 #endif  // VM_RAW_OBJECT_H_