#include "config.h"
#include "StringObject.h"
+#include "Error.h"
+#include "JSGlobalObject.h"
+#include "Operations.h"
#include "PropertyNameArray.h"
namespace JSC {
-ASSERT_CLASS_FITS_IN_CELL(StringObject);
+ASSERT_HAS_TRIVIAL_DESTRUCTOR(StringObject);
-const ClassInfo StringObject::info = { "String", 0, 0, 0 };
+const ClassInfo StringObject::s_info = { "String", &JSWrapperObject::s_info, 0, 0, CREATE_METHOD_TABLE(StringObject) };
-StringObject::StringObject(ExecState* exec, PassRefPtr<Structure> structure)
- : JSWrapperObject(structure)
+StringObject::StringObject(VM& vm, Structure* structure)
+ : JSWrapperObject(vm, structure)
{
- setInternalValue(jsEmptyString(exec));
}
-StringObject::StringObject(PassRefPtr<Structure> structure, JSString* string)
- : JSWrapperObject(structure)
+void StringObject::finishCreation(VM& vm, JSString* string)
{
- setInternalValue(string);
+ Base::finishCreation(vm);
+ ASSERT(inherits(&s_info));
+ setInternalValue(vm, string);
}
-StringObject::StringObject(ExecState* exec, PassRefPtr<Structure> structure, const UString& string)
- : JSWrapperObject(structure)
+bool StringObject::getOwnPropertySlot(JSCell* cell, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
{
- setInternalValue(jsString(exec, string));
-}
-
-bool StringObject::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
-{
- if (internalValue()->getStringPropertySlot(exec, propertyName, slot))
+ StringObject* thisObject = jsCast<StringObject*>(cell);
+ if (thisObject->internalValue()->getStringPropertySlot(exec, propertyName, slot))
return true;
- return JSObject::getOwnPropertySlot(exec, propertyName, slot);
+ return JSObject::getOwnPropertySlot(thisObject, exec, propertyName, slot);
}
-bool StringObject::getOwnPropertySlot(ExecState* exec, unsigned propertyName, PropertySlot& slot)
+bool StringObject::getOwnPropertySlotByIndex(JSCell* cell, ExecState* exec, unsigned propertyName, PropertySlot& slot)
{
- if (internalValue()->getStringPropertySlot(exec, propertyName, slot))
+ StringObject* thisObject = jsCast<StringObject*>(cell);
+ if (thisObject->internalValue()->getStringPropertySlot(exec, propertyName, slot))
return true;
- return JSObject::getOwnPropertySlot(exec, Identifier::from(exec, propertyName), slot);
+ return JSObject::getOwnPropertySlot(thisObject, exec, Identifier::from(exec, propertyName), slot);
}
-void StringObject::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)
+bool StringObject::getOwnPropertyDescriptor(JSObject* object, ExecState* exec, PropertyName propertyName, PropertyDescriptor& descriptor)
{
- if (propertyName == exec->propertyNames().length)
+ StringObject* thisObject = jsCast<StringObject*>(object);
+ if (thisObject->internalValue()->getStringPropertyDescriptor(exec, propertyName, descriptor))
+ return true;
+ return JSObject::getOwnPropertyDescriptor(thisObject, exec, propertyName, descriptor);
+}
+
+void StringObject::put(JSCell* cell, ExecState* exec, PropertyName propertyName, JSValue value, PutPropertySlot& slot)
+{
+ if (propertyName == exec->propertyNames().length) {
+ if (slot.isStrictMode())
+ throwTypeError(exec, StrictModeReadonlyPropertyWriteError);
return;
- JSObject::put(exec, propertyName, value, slot);
+ }
+ JSObject::put(cell, exec, propertyName, value, slot);
}
-bool StringObject::deleteProperty(ExecState* exec, const Identifier& propertyName)
+void StringObject::putByIndex(JSCell* cell, ExecState* exec, unsigned propertyName, JSValue value, bool shouldThrow)
{
- if (propertyName == exec->propertyNames().length)
+ StringObject* thisObject = jsCast<StringObject*>(cell);
+ if (thisObject->internalValue()->canGetIndex(propertyName)) {
+ if (shouldThrow)
+ throwTypeError(exec, StrictModeReadonlyPropertyWriteError);
+ return;
+ }
+ JSObject::putByIndex(cell, exec, propertyName, value, shouldThrow);
+}
+
+bool StringObject::defineOwnProperty(JSObject* object, ExecState* exec, PropertyName propertyName, PropertyDescriptor& descriptor, bool throwException)
+{
+ StringObject* thisObject = jsCast<StringObject*>(object);
+
+ if (propertyName == exec->propertyNames().length) {
+ if (!object->isExtensible()) {
+ if (throwException)
+ throwError(exec, createTypeError(exec, ASCIILiteral("Attempting to define property on object that is not extensible.")));
+ return false;
+ }
+ if (descriptor.configurablePresent() && descriptor.configurable()) {
+ if (throwException)
+ throwError(exec, createTypeError(exec, ASCIILiteral("Attempting to configurable attribute of unconfigurable property.")));
+ return false;
+ }
+ if (descriptor.enumerablePresent() && descriptor.enumerable()) {
+ if (throwException)
+ throwError(exec, createTypeError(exec, ASCIILiteral("Attempting to change enumerable attribute of unconfigurable property.")));
+ return false;
+ }
+ if (descriptor.isAccessorDescriptor()) {
+ if (throwException)
+ throwError(exec, createTypeError(exec, ASCIILiteral("Attempting to change access mechanism for an unconfigurable property.")));
+ return false;
+ }
+ if (descriptor.writablePresent() && descriptor.writable()) {
+ if (throwException)
+ throwError(exec, createTypeError(exec, ASCIILiteral("Attempting to change writable attribute of unconfigurable property.")));
+ return false;
+ }
+ if (!descriptor.value())
+ return true;
+ if (propertyName == exec->propertyNames().length && sameValue(exec, descriptor.value(), jsNumber(thisObject->internalValue()->length())))
+ return true;
+ if (throwException)
+ throwError(exec, createTypeError(exec, ASCIILiteral("Attempting to change value of a readonly property.")));
return false;
- return JSObject::deleteProperty(exec, propertyName);
+ }
+
+ return Base::defineOwnProperty(object, exec, propertyName, descriptor, throwException);
}
-void StringObject::getPropertyNames(ExecState* exec, PropertyNameArray& propertyNames)
+bool StringObject::deleteProperty(JSCell* cell, ExecState* exec, PropertyName propertyName)
{
- int size = internalValue()->value().size();
- for (int i = 0; i < size; ++i)
- propertyNames.add(Identifier(exec, UString::from(i)));
- return JSObject::getPropertyNames(exec, propertyNames);
+ StringObject* thisObject = jsCast<StringObject*>(cell);
+ if (propertyName == exec->propertyNames().length)
+ return false;
+ unsigned i = propertyName.asIndex();
+ if (thisObject->internalValue()->canGetIndex(i)) {
+ ASSERT(i != PropertyName::NotAnIndex); // No need for an explicit check, the above test would always fail!
+ return false;
+ }
+ return JSObject::deleteProperty(thisObject, exec, propertyName);
}
-UString StringObject::toString(ExecState*) const
+bool StringObject::deletePropertyByIndex(JSCell* cell, ExecState* exec, unsigned i)
{
- return internalValue()->value();
+ StringObject* thisObject = jsCast<StringObject*>(cell);
+ if (thisObject->internalValue()->canGetIndex(i))
+ return false;
+ return JSObject::deletePropertyByIndex(thisObject, exec, i);
}
-UString StringObject::toThisString(ExecState*) const
+void StringObject::getOwnPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
{
- return internalValue()->value();
+ StringObject* thisObject = jsCast<StringObject*>(object);
+ int size = thisObject->internalValue()->length();
+ for (int i = 0; i < size; ++i)
+ propertyNames.add(Identifier(exec, String::number(i)));
+ if (mode == IncludeDontEnumProperties)
+ propertyNames.add(exec->propertyNames().length);
+ return JSObject::getOwnPropertyNames(thisObject, exec, propertyNames, mode);
}
-JSString* StringObject::toThisJSString(ExecState*)
+StringObject* constructString(ExecState* exec, JSGlobalObject* globalObject, JSValue string)
{
- return internalValue();
+ StringObject* object = StringObject::create(exec, globalObject->stringObjectStructure());
+ object->setInternalValue(exec->vm(), string);
+ return object;
}
} // namespace JSC
projects / apple / javascriptcore.git / blobdiff