Move Zone's destructor out of a header file.

runtime/vm/zone.cc

 // 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.
 
 #include "vm/zone.h"
 
 #include "platform/assert.h"
 #include "platform/utils.h"
 #include "vm/flags.h"
 #include "vm/handles_impl.h"
@@ skipping 54 matching lines @@
 #ifdef DEBUG
   // Zap the entire allocated segment (including the header).
   memset(result, kZapUninitializedByte, size);
 #endif
   result->next_ = next;
   result->size_ = size;
   return result;
 }
 
 
+Zone::Zone()
+    : initial_buffer_(buffer_, kInitialChunkSize),
+      position_(initial_buffer_.start()),
+      limit_(initial_buffer_.end()),
+      head_(NULL),
+      large_segments_(NULL),
+      handles_(),
+      previous_(NULL) {
+  ASSERT(Utils::IsAligned(position_, kAlignment));
+#ifdef DEBUG
+  // Zap the entire initial buffer.
+  memset(initial_buffer_.pointer(), kZapUninitializedByte,
+         initial_buffer_.size());
+#endif
+}
+
+
+Zone::~Zone() {
+  if (FLAG_trace_zones) {
+    DumpZoneSizes();
+  }
+  DeleteAll();
+}
+
+
 void Zone::DeleteAll() {
   // Traverse the chained list of segments, zapping (in debug mode)
   // and freeing every zone segment.
   if (head_ != NULL) {
     Segment::DeleteSegmentList(head_);
   }
   if (large_segments_ != NULL) {
     Segment::DeleteSegmentList(large_segments_);
   }
 
@@ skipping 142 matching lines @@
   va_end(args);
   return buffer;
 }
 
 
 char* Zone::VPrint(const char* format, va_list args) {
   return OS::VSCreate(this, format, args);
 }
 
 
+StackZone::StackZone(Thread* thread) : StackResource(thread), zone_() {
+  if (FLAG_trace_zones) {
+    OS::PrintErr("*** Starting a new Stack zone 0x%" Px "(0x%" Px ")\n",
+                 reinterpret_cast<intptr_t>(this),
+                 reinterpret_cast<intptr_t>(&zone_));
+  }
+  zone_.Link(thread->zone());
+  thread->set_zone(&zone_);
+}
+
+
+StackZone::~StackZone() {
+  ASSERT(thread()->zone() == &zone_);
+  thread()->set_zone(zone_.previous_);
+  if (FLAG_trace_zones) {
+    OS::PrintErr("*** Deleting Stack zone 0x%" Px "(0x%" Px ")\n",
+                 reinterpret_cast<intptr_t>(this),
+                 reinterpret_cast<intptr_t>(&zone_));
+  }
+}
+
 }  // namespace dart