Weak Cells

src/objects-debug.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/disasm.h"
 #include "src/disassembler.h"
 #include "src/heap/objects-visiting.h"
 #include "src/jsregexp.h"
@@ skipping 107 matching lines @@
       break;
     case JS_BUILTINS_OBJECT_TYPE:
       JSBuiltinsObject::cast(this)->JSBuiltinsObjectVerify();
       break;
     case CELL_TYPE:
       Cell::cast(this)->CellVerify();
       break;
     case PROPERTY_CELL_TYPE:
       PropertyCell::cast(this)->PropertyCellVerify();
       break;
+    case WEAK_CELL_TYPE:
+      WeakCell::cast(this)->WeakCellVerify();
+      break;
     case JS_ARRAY_TYPE:
       JSArray::cast(this)->JSArrayVerify();
       break;
     case JS_SET_TYPE:
       JSSet::cast(this)->JSSetVerify();
       break;
     case JS_MAP_TYPE:
       JSMap::cast(this)->JSMapVerify();
       break;
     case JS_SET_ITERATOR_TYPE:
@@ skipping 490 matching lines @@
 }
 
 
 void PropertyCell::PropertyCellVerify() {
   CHECK(IsPropertyCell());
   VerifyObjectField(kValueOffset);
   VerifyObjectField(kTypeOffset);
 }
 
 
+void WeakCell::WeakCellVerify() {
+  CHECK(IsWeakCell());
+  VerifyObjectField(kValueOffset);
+  VerifyObjectField(kNextOffset);
+}
+
+
 void Code::CodeVerify() {
   CHECK(IsAligned(reinterpret_cast<intptr_t>(instruction_start()),
                   kCodeAlignment));
   relocation_info()->ObjectVerify();
   Address last_gc_pc = NULL;
   Isolate* isolate = GetIsolate();
   for (RelocIterator it(this); !it.done(); it.next()) {
     it.rinfo()->Verify(isolate);
     // Ensure that GC will not iterate twice over the same pointer.
     if (RelocInfo::IsGCRelocMode(it.rinfo()->rmode())) {
@@ skipping 556 matching lines @@
   for (int i = 0; i < number_of_transitions(); ++i) {
     if (!CheckOneBackPointer(current_map, GetTarget(i))) return false;
   }
   return true;
 }
 
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal