[Isolates]...

src/heap.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 184 matching lines @@
   V(exec_symbol, "exec")                                                 \
   V(zero_symbol, "0")                                                    \
   V(global_eval_symbol, "GlobalEval")                                    \
   V(identity_hash_symbol, "v8::IdentityHash")                            \
   V(closure_symbol, "(closure)")
 
 
 // Forward declaration of the GCTracer class.
 class GCTracer;
 class HeapStats;
+class Isolate;
 
 
 typedef String* (*ExternalStringTableUpdaterCallback)(Object** pointer);
 
 typedef bool (*DirtyRegionCallback)(Address start,
                                     Address end,
                                     ObjectSlotCallback copy_object_func);
 
 
 // The all static Heap captures the interface to the global object heap.
@@ skipping 10 matching lines @@
   // also creates the basic non-mutable objects.
   // Returns whether it succeeded.
   static bool Setup(bool create_heap_objects);
 
   // Destroys all memory allocated by the heap.
   static void TearDown();
 
   // Set the stack limit in the roots_ array.  Some architectures generate
   // code that looks here, because it is faster than loading from the static
   // jslimit_/real_jslimit_ variable in the StackGuard.
-  static void SetStackLimits();
+  void SetStackLimits();
 
   // Returns whether Setup has been called.
   static bool HasBeenSetup();
 
   // Returns the maximum amount of memory reserved for the heap.  For
   // the young generation, we reserve 4 times the amount needed for a
   // semi space.  The young generation consists of two semi spaces and
   // we reserve twice the amount needed for those in order to ensure
   // that new space can be aligned to its size.
   static int MaxReserved() {
@@ skipping 767 matching lines @@
 
   static int MaxObjectSizeInNewSpace() { return kMaxObjectSizeInNewSpace; }
 
   static void ClearJSFunctionResultCaches();
 
   static GCTracer* tracer() { return tracer_; }
 
  private:
   Heap();
 
+  // TODO(isolates): Technically this can be calculated directly from
+  //                 any pointer to Heap.
+  Isolate* isolate_;
+
   static int reserved_semispace_size_;
   static int max_semispace_size_;
   static int initial_semispace_size_;
   static int max_old_generation_size_;
   static size_t code_range_size_;
 
   // For keeping track of how much data has survived
   // scavenge since last new space expansion.
   static int survived_since_last_expansion_;
 
@@ skipping 893 matching lines @@
 
   // To speed up scavenge collections new space string are kept
   // separate from old space strings.
   static List<Object*> new_space_strings_;
   static List<Object*> old_space_strings_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_