1 files changed, 238 insertions, 0 deletions
diff --git a/JavaScriptCore/bindings/runtime_object.cpp b/JavaScriptCore/bindings/runtime_object.cpp
new file mode 100644
index 0000000..30ab488
--- /dev/null
+++ b/JavaScriptCore/bindings/runtime_object.cpp
@@ -0,0 +1,238 @@
+/*
+ * Copyright (C) 2003 Apple Computer, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+#include "runtime_object.h"
+
+#include "error_object.h"
+#include "operations.h"
+#include "runtime_method.h"
+#include "runtime_root.h"
+
+using namespace KJS;
+using namespace Bindings;
+
+const ClassInfo RuntimeObjectImp::info = { "RuntimeObject", 0, 0 };
+
+RuntimeObjectImp::RuntimeObjectImp(Bindings::Instance *i)
+: instance(i)
+{
+    instance->rootObject()->addRuntimeObject(this);
+}
+
+RuntimeObjectImp::~RuntimeObjectImp()
+{
+    if (instance)
+        instance->rootObject()->removeRuntimeObject(this);
+}
+
+void RuntimeObjectImp::invalidate()
+{
+    ASSERT(instance);
+    instance = 0;
+}
+
+JSValue *RuntimeObjectImp::fallbackObjectGetter(ExecState* exec, JSObject*, const Identifier& propertyName, const PropertySlot& slot)
+{
+    RuntimeObjectImp *thisObj = static_cast<RuntimeObjectImp *>(slot.slotBase());
+    RefPtr<Bindings::Instance> instance = thisObj->instance;
+
+    if (!instance)
+        return throwInvalidAccessError(exec);
+    
+    instance->begin();
+
+    Class *aClass = instance->getClass();
+    JSValue* result = aClass->fallbackObject(exec, instance.get(), propertyName);
+
+    instance->end();
+            
+    return result;
+}
+
+JSValue *RuntimeObjectImp::fieldGetter(ExecState* exec, JSObject*, const Identifier& propertyName, const PropertySlot& slot)
+{    
+    RuntimeObjectImp *thisObj = static_cast<RuntimeObjectImp *>(slot.slotBase());
+    RefPtr<Bindings::Instance> instance = thisObj->instance;
+
+    if (!instance)
+        return throwInvalidAccessError(exec);
+    
+    instance->begin();
+
+    Class *aClass = instance->getClass();
+    Field* aField = aClass->fieldNamed(propertyName, instance.get());
+    JSValue *result = instance->getValueOfField(exec, aField); 
+    
+    instance->end();
+            
+    return result;
+}
+
+JSValue *RuntimeObjectImp::methodGetter(ExecState* exec, JSObject*, const Identifier& propertyName, const PropertySlot& slot)
+{
+    RuntimeObjectImp *thisObj = static_cast<RuntimeObjectImp *>(slot.slotBase());
+    RefPtr<Bindings::Instance> instance = thisObj->instance;
+
+    if (!instance)
+        return throwInvalidAccessError(exec);
+    
+    instance->begin();
+
+    Class *aClass = instance->getClass();
+    MethodList methodList = aClass->methodsNamed(propertyName, instance.get());
+    JSValue *result = new RuntimeMethod(exec, propertyName, methodList);
+
+    instance->end();
+            
+    return result;
+}
+
+bool RuntimeObjectImp::getOwnPropertySlot(ExecState *exec, const Identifier& propertyName, PropertySlot& slot)
+{
+    if (!instance) {
+        throwInvalidAccessError(exec);
+        return false;
+    }
+    
+    instance->begin();
+    
+    Class *aClass = instance->getClass();
+    
+    if (aClass) {
+        // See if the instance has a field with the specified name.
+        Field *aField = aClass->fieldNamed(propertyName, instance.get());
+        if (aField) {
+            slot.setCustom(this, fieldGetter);
+            instance->end();
+            return true;
+        } else {
+            // Now check if a method with specified name exists, if so return a function object for
+            // that method.
+            MethodList methodList = aClass->methodsNamed(propertyName, instance.get());
+            if (methodList.size() > 0) {
+                slot.setCustom(this, methodGetter);
+                
+                instance->end();
+                return true;
+            }
+        }
+
+        // Try a fallback object.
+        if (!aClass->fallbackObject(exec, instance.get(), propertyName)->isUndefined()) {
+            slot.setCustom(this, fallbackObjectGetter);
+            instance->end();
+            return true;
+        }
+    }
+        
+    instance->end();
+
+    // don't call superclass, because runtime objects can't have custom properties or a prototype
+    return false;
+}
+
+void RuntimeObjectImp::put(ExecState* exec, const Identifier& propertyName, JSValue* value)
+{
+    if (!instance) {
+        throwInvalidAccessError(exec);
+        return;
+    }
+    
+    RefPtr<Bindings::Instance> protector(instance);
+    instance->begin();
+
+    // Set the value of the property.
+    Field *aField = instance->getClass()->fieldNamed(propertyName, instance.get());
+    if (aField)
+        instance->setValueOfField(exec, aField, value);
+    else if (instance->supportsSetValueOfUndefinedField())
+        instance->setValueOfUndefinedField(exec, propertyName, value);
+
+    instance->end();
+}
+
+bool RuntimeObjectImp::deleteProperty(ExecState*, const Identifier&)
+{
+    // Can never remove a property of a RuntimeObject.
+    return false;
+}
+
+JSValue *RuntimeObjectImp::defaultValue(ExecState* exec, JSType hint) const
+{
+    if (!instance)
+        return throwInvalidAccessError(exec);
+    
+    JSValue *result;
+    
+    RefPtr<Bindings::Instance> protector(instance);
+    instance->begin();
+
+    result = instance->defaultValue(hint);
+    
+    instance->end();
+    
+    return result;
+}
+    
+bool RuntimeObjectImp::implementsCall() const
+{
+    if (!instance)
+        return false;
+    
+    return instance->implementsCall();
+}
+
+JSValue *RuntimeObjectImp::callAsFunction(ExecState* exec, JSObject*, const List& args)
+{
+    if (!instance)
+        return throwInvalidAccessError(exec);
+
+    RefPtr<Bindings::Instance> protector(instance);
+    instance->begin();
+
+    JSValue *aValue = instance->invokeDefaultMethod(exec, args);
+    
+    instance->end();
+    
+    return aValue;
+}
+
+void RuntimeObjectImp::getPropertyNames(ExecState* exec, PropertyNameArray& propertyNames)
+{
+    if (!instance) {
+        throwInvalidAccessError(exec);
+        return;
+    }
+    
+    instance->begin();
+    instance->getPropertyNames(exec, propertyNames);
+    instance->end();
+}
+
+JSObject* RuntimeObjectImp::throwInvalidAccessError(ExecState* exec)
+{
+    return throwError(exec, ReferenceError, "Trying to access object from destroyed plug-in.");
+}