JavaScriptCore-1218.33.tar.gz

[apple/javascriptcore.git] / runtime / StructureChain.cpp

diff --git a/runtime/StructureChain.cpp b/runtime/StructureChain.cpp
index 085876c496b54ea5d5f0a072b1f07fd88677e65d..85abcd34ff227a0d66c0d6a9d0f3bc5230c1593a 100644 (file)
--- a/runtime/StructureChain.cpp
+++ b/runtime/StructureChain.cpp
@@ -27,23 +27,32 @@
 #include "StructureChain.h"
 
 #include "JSObject.h"
+#include "Operations.h"
 #include "Structure.h"
 #include <wtf/RefPtr.h>
 
 namespace JSC {
+    
+ClassInfo StructureChain::s_info = { "StructureChain", 0, 0, 0, CREATE_METHOD_TABLE(StructureChain) };
 
-StructureChain::StructureChain(Structure* head)
+StructureChain::StructureChain(VM& vm, Structure* structure)
+    : JSCell(vm, structure)
 {
-    size_t size = 0;
-    for (Structure* current = head; current; current = current->storedPrototype().isNull() ? 0 : asObject(current->storedPrototype())->structure())
-        ++size;
-    
-    m_vector.set(new RefPtr<Structure>[size + 1]);
+}
 
+void StructureChain::destroy(JSCell* cell)
+{
+    static_cast<StructureChain*>(cell)->StructureChain::~StructureChain();
+}
+
+void StructureChain::visitChildren(JSCell* cell, SlotVisitor& visitor)
+{
+    StructureChain* thisObject = jsCast<StructureChain*>(cell);
+    ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);
+    ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
     size_t i = 0;
-    for (Structure* current = head; current; current = current->storedPrototype().isNull() ? 0 : asObject(current->storedPrototype())->structure())
-        m_vector[i++] = current;
-    m_vector[i] = 0;
+    while (thisObject->m_vector[i])
+        visitor.append(&thisObject->m_vector[i++]);
 }
 
 } // namespace JSC