JavaScriptCore-1097.13.tar.gz

[apple/javascriptcore.git] / API / JSCallbackConstructor.cpp

diff --git a/API/JSCallbackConstructor.cpp b/API/JSCallbackConstructor.cpp
index 64c83cb04df1496284d1a2586c4442d6eee1f5e5..c8b4c0659235b4ed6430f6f81108786484318192 100644 (file)
--- a/API/JSCallbackConstructor.cpp
+++ b/API/JSCallbackConstructor.cpp
@@ -26,7 +26,9 @@
 #include "config.h"
 #include "JSCallbackConstructor.h"
 
+#include "APIShims.h"
 #include "APICast.h"
+#include <runtime/Error.h>
 #include <runtime/JSGlobalObject.h>
 #include <runtime/JSLock.h>
 #include <runtime/ObjectPrototype.h>
@@ -34,13 +36,19 @@
 
 namespace JSC {
 
-const ClassInfo JSCallbackConstructor::info = { "CallbackConstructor", 0, 0, 0 };
+const ClassInfo JSCallbackConstructor::s_info = { "CallbackConstructor", &JSNonFinalObject::s_info, 0, 0, CREATE_METHOD_TABLE(JSCallbackConstructor) };
 
-JSCallbackConstructor::JSCallbackConstructor(PassRefPtr<Structure> structure, JSClassRef jsClass, JSObjectCallAsConstructorCallback callback)
-    : JSObject(structure)
+JSCallbackConstructor::JSCallbackConstructor(JSGlobalObject* globalObject, Structure* structure, JSClassRef jsClass, JSObjectCallAsConstructorCallback callback)
+    : JSNonFinalObject(globalObject->globalData(), structure)
     , m_class(jsClass)
     , m_callback(callback)
 {
+}
+
+void JSCallbackConstructor::finishCreation(JSGlobalObject* globalObject, JSClassRef jsClass)
+{
+    Base::finishCreation(globalObject->globalData());
+    ASSERT(inherits(&s_info));
     if (m_class)
         JSClassRetain(jsClass);
 }
@@ -51,33 +59,42 @@ JSCallbackConstructor::~JSCallbackConstructor()
         JSClassRelease(m_class);
 }
 
-static JSObject* constructJSCallback(ExecState* exec, JSObject* constructor, const ArgList& args)
+void JSCallbackConstructor::destroy(JSCell* cell)
+{
+    jsCast<JSCallbackConstructor*>(cell)->JSCallbackConstructor::~JSCallbackConstructor();
+}
+
+static EncodedJSValue JSC_HOST_CALL constructJSCallback(ExecState* exec)
 {
+    JSObject* constructor = exec->callee();
     JSContextRef ctx = toRef(exec);
     JSObjectRef constructorRef = toRef(constructor);
 
-    JSObjectCallAsConstructorCallback callback = static_cast<JSCallbackConstructor*>(constructor)->callback();
+    JSObjectCallAsConstructorCallback callback = jsCast<JSCallbackConstructor*>(constructor)->callback();
     if (callback) {
-        int argumentCount = static_cast<int>(args.size());
+        int argumentCount = static_cast<int>(exec->argumentCount());
         Vector<JSValueRef, 16> arguments(argumentCount);
         for (int i = 0; i < argumentCount; i++)
-            arguments[i] = toRef(exec, args.at(i));
+            arguments[i] = toRef(exec, exec->argument(i));
 
         JSValueRef exception = 0;
         JSObjectRef result;
         {
-            JSLock::DropAllLocks dropAllLocks(exec);
+            APICallbackShim callbackShim(exec);
             result = callback(ctx, constructorRef, argumentCount, arguments.data(), &exception);
         }
         if (exception)
-            exec->setException(toJS(exec, exception));
-        return toJS(result);
+            throwError(exec, toJS(exec, exception));
+        // result must be a valid JSValue.
+        if (!result)
+            return throwVMTypeError(exec);
+        return JSValue::encode(toJS(result));
     }
     
-    return toJS(JSObjectMake(ctx, static_cast<JSCallbackConstructor*>(constructor)->classRef(), 0));
+    return JSValue::encode(toJS(JSObjectMake(ctx, jsCast<JSCallbackConstructor*>(constructor)->classRef(), 0)));
 }
 
-ConstructType JSCallbackConstructor::getConstructData(ConstructData& constructData)
+ConstructType JSCallbackConstructor::getConstructData(JSCell*, ConstructData& constructData)
 {
     constructData.native.function = constructJSCallback;
     return ConstructTypeHost;