Merge isolates to bleeding_edge.

src/zone-inl.h

 // Copyright 2011 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 10 matching lines @@
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #ifndef V8_ZONE_INL_H_
 #define V8_ZONE_INL_H_
 
+#include "isolate.h"
 #include "zone.h"
 #include "v8-counters.h"
 
 namespace v8 {
 namespace internal {
 
 
+AssertNoZoneAllocation::AssertNoZoneAllocation()
+    : prev_(Isolate::Current()->zone_allow_allocation()) {
+  Isolate::Current()->set_zone_allow_allocation(false);
+}
+
+
+AssertNoZoneAllocation::~AssertNoZoneAllocation() {
+  Isolate::Current()->set_zone_allow_allocation(prev_);
+}
+
+
 inline void* Zone::New(int size) {
-  ASSERT(AssertNoZoneAllocation::allow_allocation());
+  ASSERT(Isolate::Current()->zone_allow_allocation());
   ASSERT(ZoneScope::nesting() > 0);
   // Round up the requested size to fit the alignment.
   size = RoundUp(size, kAlignment);
 
   // Check if the requested size is available without expanding.
   Address result = position_;
   if ((position_ += size) > limit_) result = NewExpand(size);
 
   // Check that the result has the proper alignment and return it.
   ASSERT(IsAddressAligned(result, kAlignment, 0));
   allocation_size_ += size;
   return reinterpret_cast<void*>(result);
 }
 
 
 template <typename T>
 T* Zone::NewArray(int length) {
-  return static_cast<T*>(Zone::New(length * sizeof(T)));
+  return static_cast<T*>(New(length * sizeof(T)));
 }
 
 
 bool Zone::excess_allocation() {
   return segment_bytes_allocated_ > zone_excess_limit_;
 }
 
 
 void Zone::adjust_segment_bytes_allocated(int delta) {
   segment_bytes_allocated_ += delta;
-  Counters::zone_segment_bytes.Set(segment_bytes_allocated_);
+  isolate_->counters()->zone_segment_bytes()->Set(segment_bytes_allocated_);
 }
 
 
 template <typename Config>
 ZoneSplayTree<Config>::~ZoneSplayTree() {
   // Reset the root to avoid unneeded iteration over all tree nodes
   // in the destructor.  For a zone-allocated tree, nodes will be
   // freed by the Zone.
   SplayTree<Config, ZoneListAllocationPolicy>::ResetRoot();
 }
 
 
+// TODO(isolates): for performance reasons, this should be replaced with a new
+//                 operator that takes the zone in which the object should be
+//                 allocated.
+void* ZoneObject::operator new(size_t size) {
+  return ZONE->New(static_cast<int>(size));
+}
+
+
+inline void* ZoneListAllocationPolicy::New(int size) {
+  return ZONE->New(size);
+}
+
+
+ZoneScope::ZoneScope(ZoneScopeMode mode)
+    : isolate_(Isolate::Current()),
+      mode_(mode) {
+  isolate_->zone()->scope_nesting_++;
+}
+
+
+bool ZoneScope::ShouldDeleteOnExit() {
+  return isolate_->zone()->scope_nesting_ == 1 && mode_ == DELETE_ON_EXIT;
+}
+
+
+int ZoneScope::nesting() {
+  return Isolate::Current()->zone()->scope_nesting_;
+}
+
+
 } }  // namespace v8::internal
 
 #endif  // V8_ZONE_INL_H_