Changeset 57120 in webkit for trunk/JavaScriptCore/runtime/JSGlobalObject.h

Timestamp:

Apr 5, 2010, 9:18:18 PM (15 years ago)

Author:

[email protected]

Message:

2010-04-05 Oliver Hunt <​[email protected]>

Reviewed by Gavin Barraclough.

Support weak maps in JSC
​https://bugs.webkit.org/show_bug.cgi?id=37132

Expose an API to allow creation of a map for storing
weak JS references.

• API/JSWeakObjectMapRefInternal.h: Added. (OpaqueJSWeakObjectMap::create): (OpaqueJSWeakObjectMap::map): (OpaqueJSWeakObjectMap::~OpaqueJSWeakObjectMap): (OpaqueJSWeakObjectMap::OpaqueJSWeakObjectMap):
• API/JSWeakObjectMapRefPrivate.cpp: Added.
• API/JSWeakObjectMapRefPrivate.h: Added.
• JavaScriptCore.exp:
• JavaScriptCore.xcodeproj/project.pbxproj:
• runtime/JSGlobalObject.h: (JSC::JSGlobalObject::registerWeakMap): (JSC::JSGlobalObject::deregisterWeakMap):

File:

• trunk/JavaScriptCore/runtime/JSGlobalObject.h (modified) (4 diffs)

trunk/JavaScriptCore/runtime/JSGlobalObject.h

@@ -26 +26 @@
 #include "JSGlobalData.h"
 #include "JSVariableObject.h"
+#include "JSWeakObjectMapRefInternal.h"
 #include "NativeFunctionWrapper.h"
 #include "NumberPrototype.h"
@@ -57 +58 @@
     protected:
         using JSVariableObject::JSVariableObjectData;
+        typedef HashSet<RefPtr<OpaqueJSWeakObjectMap> > WeakMapSet;
 
         struct JSGlobalObjectData : public JSVariableObjectData {
@@ -154 +156 @@
 
             HashSet<GlobalCodeBlock*> codeBlocks;
+            WeakMapSet weakMaps;
         };
 
@@ -271 +274 @@
         }
 
+        void registerWeakMap(OpaqueJSWeakObjectMap* map)
+        {
+            d()->weakMaps.add(map);
+        }
+
+        void deregisterWeakMap(OpaqueJSWeakObjectMap* map)
+        {
+            d()->weakMaps.remove(map);
+        }
+
     protected: