Changeset 197042 in webkit for trunk/Source/JavaScriptCore/runtime/ProxyObject.h

Timestamp:

Feb 24, 2016, 12:43:21 PM (9 years ago)

Author:

[email protected]

Message:

[ES6] Implement Proxy.Delete
​https://bugs.webkit.org/show_bug.cgi?id=154607

Reviewed by Mark Lam.

This patch implements Proxy.Delete with respect to section 9.5.10 of the ECMAScript spec.
​https://tc39.github.io/ecma262/#sec-proxy-object-internal-methods-and-internal-slots-delete-p

• runtime/ProxyObject.cpp:

(JSC::ProxyObject::getConstructData):
(JSC::ProxyObject::performDelete):
(JSC::ProxyObject::deleteProperty):
(JSC::ProxyObject::deletePropertyByIndex):

• runtime/ProxyObject.h:
• tests/es6.yaml:
• tests/stress/proxy-delete.js: Added.

(assert):
(throw.new.Error.let.handler.get deleteProperty):
(throw.new.Error):
(assert.let.handler.deleteProperty):
(let.handler.deleteProperty):

File:

• trunk/Source/JavaScriptCore/runtime/ProxyObject.h (modified) (2 diffs)

trunk/Source/JavaScriptCore/runtime/ProxyObject.h

@@ -64 +64 @@
     static CallType getCallData(JSCell*, CallData&);
     static ConstructType getConstructData(JSCell*, ConstructData&);
+    static bool deleteProperty(JSCell*, ExecState*, PropertyName);
+    static bool deletePropertyByIndex(JSCell*, ExecState*, unsigned propertyName);
     static void visitChildren(JSCell*, SlotVisitor&);
 
@@ -69 +71 @@
     bool performInternalMethodGetOwnProperty(ExecState*, PropertyName, PropertySlot&);
     bool performHasProperty(ExecState*, PropertyName, PropertySlot&);
+    template <typename DefaultDeleteFunction>
+    bool performDelete(ExecState*, PropertyName, DefaultDeleteFunction);
 
     WriteBarrier<JSObject> m_target;