+++ /dev/null
-/*
- * 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, int)
-{
- 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::canPut(ExecState* exec, const Identifier& propertyName) const
-{
- if (!instance) {
- throwInvalidAccessError(exec);
- return false;
- }
-
- instance->begin();
-
- Field *aField = instance->getClass()->fieldNamed(propertyName, instance.get());
-
- instance->end();
-
- return !!aField;
-}
-
-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.");
-}
projects / apple / javascriptcore.git / blobdiff