Break a circular include dependency.

src/heap-inl.h

-// Copyright 2011 the V8 project authors. All rights reserved.
+// Copyright 2012 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
 //       with the distribution.
@@ skipping 681 matching lines @@
         isolate_->heap()->AllocateHeapNumber(answer);
     if (!maybe_heap_number->ToObject(&heap_number)) return maybe_heap_number;
   }
   elements_[hash].in[0] = c.integers[0];
   elements_[hash].in[1] = c.integers[1];
   elements_[hash].output = heap_number;
   return heap_number;
 }
 
 
-Heap* _inline_get_heap_() {
-  return HEAP;
+AlwaysAllocateScope::AlwaysAllocateScope() {
+  // We shouldn't hit any nested scopes, because that requires
+  // non-handle code to call handle code. The code still works but
+  // performance will degrade, so we want to catch this situation
+  // in debug mode.
+  ASSERT(HEAP->always_allocate_scope_depth_ == 0);
+  HEAP->always_allocate_scope_depth_++;
 }
 
 
+AlwaysAllocateScope::~AlwaysAllocateScope() {
+  HEAP->always_allocate_scope_depth_--;
+  ASSERT(HEAP->always_allocate_scope_depth_ == 0);
+}
+
+
+LinearAllocationScope::LinearAllocationScope() {
+  HEAP->linear_allocation_scope_depth_++;
+}
+
+
+LinearAllocationScope::~LinearAllocationScope() {
+  HEAP->linear_allocation_scope_depth_--;
+  ASSERT(HEAP->linear_allocation_scope_depth_ >= 0);
+}
+
+
+#ifdef DEBUG
+void VerifyPointersVisitor::VisitPointers(Object** start, Object** end) {
+  for (Object** current = start; current < end; current++) {
+    if ((*current)->IsHeapObject()) {
+      HeapObject* object = HeapObject::cast(*current);
+      ASSERT(HEAP->Contains(object));
+      ASSERT(object->map()->IsMap());
+    }
+  }
+}
+#endif
+
+
+double GCTracer::SizeOfHeapObjects() {
+  return (static_cast<double>(HEAP->SizeOfObjects())) / MB;
+}
+
+
+#ifdef DEBUG
+DisallowAllocationFailure::DisallowAllocationFailure() {
+  old_state_ = HEAP->disallow_allocation_failure_;
+  HEAP->disallow_allocation_failure_ = true;
+}
+
+
+DisallowAllocationFailure::~DisallowAllocationFailure() {
+  HEAP->disallow_allocation_failure_ = old_state_;
+}
+#endif
+
+
+#ifdef DEBUG
+AssertNoAllocation::AssertNoAllocation() {
+  old_state_ = HEAP->allow_allocation(false);
+}
+
+
+AssertNoAllocation::~AssertNoAllocation() {
+  HEAP->allow_allocation(old_state_);
+}
+
+
+DisableAssertNoAllocation::DisableAssertNoAllocation() {
+  old_state_ = HEAP->allow_allocation(true);
+}
+
+
+DisableAssertNoAllocation::~DisableAssertNoAllocation() {
+  HEAP->allow_allocation(old_state_);
+}
+
+#else
+
+AssertNoAllocation::AssertNoAllocation() { }
+AssertNoAllocation::~AssertNoAllocation() { }
+DisableAssertNoAllocation::DisableAssertNoAllocation() { }
+DisableAssertNoAllocation::~DisableAssertNoAllocation() { }
+
+#endif
+
+
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_INL_H_