Add option to gen_snapshot for creating a Makefile describing a snapshot's dependencies.

runtime/vm/allocation.h

 // 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.
 
 #ifndef RUNTIME_VM_ALLOCATION_H_
 #define RUNTIME_VM_ALLOCATION_H_
 
+#include "platform/allocation.h"
 #include "platform/assert.h"
 #include "vm/base_isolate.h"
 #include "vm/globals.h"
 
 namespace dart {
 
 // Forward declarations.
 class Isolate;
 class Thread;
 
-// Stack allocated objects subclass from this base class. Objects of this type
-// cannot be allocated on either the C or object heaps. Destructors for objects
-// of this type will not be run unless the stack is unwound through normal
-// program control flow.
-class ValueObject {
- public:
-  ValueObject() {}
-  ~ValueObject() {}
-
- private:
-  DISALLOW_ALLOCATION();
-  DISALLOW_COPY_AND_ASSIGN(ValueObject);
-};
-
-
 // Stack resources subclass from this base class. The VM will ensure that the
 // destructors of these objects are called before the stack is unwound past the
 // objects location on the stack. Use stack resource objects if objects
 // need to be destroyed even in the case of exceptions when a Longjump is done
 // to a stack frame above the frame where these objects were allocated.
 class StackResource {
  public:
   explicit StackResource(Thread* thread) : thread_(NULL), previous_(NULL) {
     Init(thread);
   }
@@ skipping 15 matching lines @@
   void Init(Thread* thread);
 
   Thread* thread_;
   StackResource* previous_;
 
   DISALLOW_ALLOCATION();
   DISALLOW_IMPLICIT_CONSTRUCTORS(StackResource);
 };
 
 
-// Static allocated classes only contain static members and can never
-// be instantiated in the heap or on the stack.
-class AllStatic {
- private:
-  DISALLOW_ALLOCATION();
-  DISALLOW_IMPLICIT_CONSTRUCTORS(AllStatic);
-};
-
-
 // Zone allocated objects cannot be individually deallocated, but have
 // to rely on the destructor of Zone which is called when the Zone
 // goes out of scope to reclaim memory.
 class ZoneAllocated {
  public:
   ZoneAllocated() {}
 
   // Implicitly allocate the object in the current zone.
   void* operator new(uword size);
 
@@ skipping 32 matching lines @@
   NoSafepointScope() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NoSafepointScope);
 };
 #endif  // defined(DEBUG)
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_ALLOCATION_H_