text: /*
      This file is part of the WebKit open source project.
      This file has been generated by generate-bindings.pl. DO NOT MODIFY!
  
      This library is free software; you can redistribute it and/or
      modify it under the terms of the GNU Library General Public
      License as published by the Free Software Foundation; either
      version 2 of the License, or (at your option) any later version.
  
      This library is distributed in the hope that it will be useful,
      but WITHOUT ANY WARRANTY; without even the implied warranty of
      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      Library General Public License for more details.
  
      You should have received a copy of the GNU Library General Public License
      along with this library; see the file COPYING.LIB.  If not, write to
      the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
      Boston, MA 02110-1301, USA.
  */
  
  #include "config.h"
  #include "JSDOMSelection.h"
  
  #include "DOMSelection.h"
  #include "ExceptionCode.h"
  #include "JSDOMBinding.h"
  #include "JSNode.h"
  #include "JSRange.h"
  #include "KURL.h"
  #include "Node.h"
  #include "Range.h"
  #include <runtime/Error.h>
  #include <runtime/JSString.h>
  #include <wtf/GetPtr.h>
  
  using namespace JSC;
  
  namespace WebCore {
  
  ASSERT_CLASS_FITS_IN_CELL(JSDOMSelection);
  
  /* Hash table */
  #if ENABLE(JIT)
  #define THUNK_GENERATOR(generator) , generator
  #else
  #define THUNK_GENERATOR(generator)
  #endif
  
  static const HashTableValue JSDOMSelectionTableValues[12] =
  {
      { "anchorNode", DontDelete | ReadOnly, (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsDOMSelectionAnchorNode), (intptr_t)0 THUNK_GENERATOR(0) },
      { "anchorOffset", DontDelete | ReadOnly, (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsDOMSelectionAnchorOffset), (intptr_t)0 THUNK_GENERATOR(0) },
      { "focusNode", DontDelete | ReadOnly, (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsDOMSelectionFocusNode), (intptr_t)0 THUNK_GENERATOR(0) },
      { "focusOffset", DontDelete | ReadOnly, (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsDOMSelectionFocusOffset), (intptr_t)0 THUNK_GENERATOR(0) },
      { "isCollapsed", DontDelete | ReadOnly, (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsDOMSelectionIsCollapsed), (intptr_t)0 THUNK_GENERATOR(0) },
      { "rangeCount", DontDelete | ReadOnly, (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsDOMSelectionRangeCount), (intptr_t)0 THUNK_GENERATOR(0) },
      { "baseNode", DontDelete | ReadOnly, (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsDOMSelectionBaseNode), (intptr_t)0 THUNK_GENERATOR(0) },
      { "baseOffset", DontDelete | ReadOnly, (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsDOMSelectionBaseOffset), (intptr_t)0 THUNK_GENERATOR(0) },
      { "extentNode", DontDelete | ReadOnly, (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsDOMSelectionExtentNode), (intptr_t)0 THUNK_GENERATOR(0) },
      { "extentOffset", DontDelete | ReadOnly, (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsDOMSelectionExtentOffset), (intptr_t)0 THUNK_GENERATOR(0) },
      { "type", DontDelete | ReadOnly, (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsDOMSelectionType), (intptr_t)0 THUNK_GENERATOR(0) },
      { 0, 0, 0, 0 THUNK_GENERATOR(0) }
  };
  
  #undef THUNK_GENERATOR
  static JSC_CONST_HASHTABLE HashTable JSDOMSelectionTable = { 34, 31, JSDOMSelectionTableValues, 0 };
  /* Hash table for prototype */
  #if ENABLE(JIT)
  #define THUNK_GENERATOR(generator) , generator
  #else
  #define THUNK_GENERATOR(generator)
  #endif
  
  static const HashTableValue JSDOMSelectionPrototypeTableValues[16] =
  {
      { "collapse", DontDelete | Function, (intptr_t)static_cast<NativeFunction>(jsDOMSelectionPrototypeFunctionCollapse), (intptr_t)2 THUNK_GENERATOR(0) },
      { "collapseToEnd", DontDelete | Function, (intptr_t)static_cast<NativeFunction>(jsDOMSelectionPrototypeFunctionCollapseToEnd), (intptr_t)0 THUNK_GENERATOR(0) },
      { "collapseToStart", DontDelete | Function, (intptr_t)static_cast<NativeFunction>(jsDOMSelectionPrototypeFunctionCollapseToStart), (intptr_t)0 THUNK_GENERATOR(0) },
      { "deleteFromDocument", DontDelete | Function, (intptr_t)static_cast<NativeFunction>(jsDOMSelectionPrototypeFunctionDeleteFromDocument), (intptr_t)0 THUNK_GENERATOR(0) },
      { "containsNode", DontDelete | Function, (intptr_t)static_cast<NativeFunction>(jsDOMSelectionPrototypeFunctionContainsNode), (intptr_t)2 THUNK_GENERATOR(0) },
      { "selectAllChildren", DontDelete | Function, (intptr_t)static_cast<NativeFunction>(jsDOMSelectionPrototypeFunctionSelectAllChildren), (intptr_t)1 THUNK_GENERATOR(0) },
      { "extend", DontDelete | Function, (intptr_t)static_cast<NativeFunction>(jsDOMSelectionPrototypeFunctionExtend), (intptr_t)2 THUNK_GENERATOR(0) },
      { "getRangeAt", DontDelete | Function, (intptr_t)static_cast<NativeFunction>(jsDOMSelectionPrototypeFunctionGetRangeAt), (intptr_t)1 THUNK_GENERATOR(0) },
      { "removeAllRanges", DontDelete | Function, (intptr_t)static_cast<NativeFunction>(jsDOMSelectionPrototypeFunctionRemoveAllRanges), (intptr_t)0 THUNK_GENERATOR(0) },
      { "addRange", DontDelete | Function, (intptr_t)static_cast<NativeFunction>(jsDOMSelectionPrototypeFunctionAddRange), (intptr_t)1 THUNK_GENERATOR(0) },
      { "toString", DontDelete | DontEnum | Function, (intptr_t)static_cast<NativeFunction>(jsDOMSelectionPrototypeFunctionToString), (intptr_t)0 THUNK_GENERATOR(0) },
      { "modify", DontDelete | Function, (intptr_t)static_cast<NativeFunction>(jsDOMSelectionPrototypeFunctionModify), (intptr_t)3 THUNK_GENERATOR(0) },
      { "setBaseAndExtent", DontDelete | Function, (intptr_t)static_cast<NativeFunction>(jsDOMSelectionPrototypeFunctionSetBaseAndExtent), (intptr_t)4 THUNK_GENERATOR(0) },
      { "setPosition", DontDelete | Function, (intptr_t)static_cast<NativeFunction>(jsDOMSelectionPrototypeFunctionSetPosition), (intptr_t)2 THUNK_GENERATOR(0) },
      { "empty", DontDelete | Function, (intptr_t)static_cast<NativeFunction>(jsDOMSelectionPrototypeFunctionEmpty), (intptr_t)0 THUNK_GENERATOR(0) },
      { 0, 0, 0, 0 THUNK_GENERATOR(0) }
  };
  
  #undef THUNK_GENERATOR
  static JSC_CONST_HASHTABLE HashTable JSDOMSelectionPrototypeTable = { 34, 31, JSDOMSelectionPrototypeTableValues, 0 };
  const ClassInfo JSDOMSelectionPrototype::s_info = { "DOMSelectionPrototype", &JSC::JSObjectWithGlobalObject::s_info, &JSDOMSelectionPrototypeTable, 0 };
  
  JSObject* JSDOMSelectionPrototype::self(ExecState* exec, JSGlobalObject* globalObject)
  {
      return getDOMPrototype<JSDOMSelection>(exec, globalObject);
  }
  
  bool JSDOMSelectionPrototype::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
  {
      return getStaticFunctionSlot<JSObject>(exec, &JSDOMSelectionPrototypeTable, this, propertyName, slot);
  }
  
  bool JSDOMSelectionPrototype::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
  {
      return getStaticFunctionDescriptor<JSObject>(exec, &JSDOMSelectionPrototypeTable, this, propertyName, descriptor);
  }
  
  const ClassInfo JSDOMSelection::s_info = { "DOMSelection", &JSDOMWrapper::s_info, &JSDOMSelectionTable, 0 };
  
  JSDOMSelection::JSDOMSelection(Structure* structure, JSDOMGlobalObject* globalObject, PassRefPtr<DOMSelection> impl)
      : JSDOMWrapper(structure, globalObject)
      , m_impl(impl)
  {
      ASSERT(inherits(&s_info));
  }
  
  JSObject* JSDOMSelection::createPrototype(ExecState* exec, JSGlobalObject* globalObject)
  {
      return new (exec) JSDOMSelectionPrototype(exec->globalData(), globalObject, JSDOMSelectionPrototype::createStructure(globalObject->globalData(), globalObject->objectPrototype()));
  }
  
  bool JSDOMSelection::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
  {
      return getStaticValueSlot<JSDOMSelection, Base>(exec, &JSDOMSelectionTable, this, propertyName, slot);
  }
  
  bool JSDOMSelection::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
  {
      return getStaticValueDescriptor<JSDOMSelection, Base>(exec, &JSDOMSelectionTable, this, propertyName, descriptor);
  }
  
  JSValue jsDOMSelectionAnchorNode(ExecState* exec, JSValue slotBase, const Identifier&)
  {
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(slotBase));
      UNUSED_PARAM(exec);
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      JSValue result = toJS(exec, castedThis->globalObject(), WTF::getPtr(imp->anchorNode()));
      return result;
  }
  
  
  JSValue jsDOMSelectionAnchorOffset(ExecState* exec, JSValue slotBase, const Identifier&)
  {
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(slotBase));
      UNUSED_PARAM(exec);
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      JSValue result = jsNumber(imp->anchorOffset());
      return result;
  }
  
  
  JSValue jsDOMSelectionFocusNode(ExecState* exec, JSValue slotBase, const Identifier&)
  {
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(slotBase));
      UNUSED_PARAM(exec);
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      JSValue result = toJS(exec, castedThis->globalObject(), WTF::getPtr(imp->focusNode()));
      return result;
  }
  
  
  JSValue jsDOMSelectionFocusOffset(ExecState* exec, JSValue slotBase, const Identifier&)
  {
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(slotBase));
      UNUSED_PARAM(exec);
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      JSValue result = jsNumber(imp->focusOffset());
      return result;
  }
  
  
  JSValue jsDOMSelectionIsCollapsed(ExecState* exec, JSValue slotBase, const Identifier&)
  {
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(slotBase));
      UNUSED_PARAM(exec);
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      JSValue result = jsBoolean(imp->isCollapsed());
      return result;
  }
  
  
  JSValue jsDOMSelectionRangeCount(ExecState* exec, JSValue slotBase, const Identifier&)
  {
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(slotBase));
      UNUSED_PARAM(exec);
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      JSValue result = jsNumber(imp->rangeCount());
      return result;
  }
  
  
  JSValue jsDOMSelectionBaseNode(ExecState* exec, JSValue slotBase, const Identifier&)
  {
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(slotBase));
      UNUSED_PARAM(exec);
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      JSValue result = toJS(exec, castedThis->globalObject(), WTF::getPtr(imp->baseNode()));
      return result;
  }
  
  
  JSValue jsDOMSelectionBaseOffset(ExecState* exec, JSValue slotBase, const Identifier&)
  {
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(slotBase));
      UNUSED_PARAM(exec);
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      JSValue result = jsNumber(imp->baseOffset());
      return result;
  }
  
  
  JSValue jsDOMSelectionExtentNode(ExecState* exec, JSValue slotBase, const Identifier&)
  {
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(slotBase));
      UNUSED_PARAM(exec);
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      JSValue result = toJS(exec, castedThis->globalObject(), WTF::getPtr(imp->extentNode()));
      return result;
  }
  
  
  JSValue jsDOMSelectionExtentOffset(ExecState* exec, JSValue slotBase, const Identifier&)
  {
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(slotBase));
      UNUSED_PARAM(exec);
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      JSValue result = jsNumber(imp->extentOffset());
      return result;
  }
  
  
  JSValue jsDOMSelectionType(ExecState* exec, JSValue slotBase, const Identifier&)
  {
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(slotBase));
      UNUSED_PARAM(exec);
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      JSValue result = jsString(exec, imp->type());
      return result;
  }
  
  
  EncodedJSValue JSC_HOST_CALL jsDOMSelectionPrototypeFunctionCollapse(ExecState* exec)
  {
      JSValue thisValue = exec->hostThisValue();
      if (!thisValue.inherits(&JSDOMSelection::s_info))
          return throwVMTypeError(exec);
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(thisValue));
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      ExceptionCode ec = 0;
      Node* node(toNode(exec->argument(0)));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
      int index(exec->argument(1).toInt32(exec));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
  
      imp->collapse(node, index, ec);
      setDOMException(exec, ec);
      return JSValue::encode(jsUndefined());
  }
  
  EncodedJSValue JSC_HOST_CALL jsDOMSelectionPrototypeFunctionCollapseToEnd(ExecState* exec)
  {
      JSValue thisValue = exec->hostThisValue();
      if (!thisValue.inherits(&JSDOMSelection::s_info))
          return throwVMTypeError(exec);
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(thisValue));
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      ExceptionCode ec = 0;
  
      imp->collapseToEnd(ec);
      setDOMException(exec, ec);
      return JSValue::encode(jsUndefined());
  }
  
  EncodedJSValue JSC_HOST_CALL jsDOMSelectionPrototypeFunctionCollapseToStart(ExecState* exec)
  {
      JSValue thisValue = exec->hostThisValue();
      if (!thisValue.inherits(&JSDOMSelection::s_info))
          return throwVMTypeError(exec);
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(thisValue));
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      ExceptionCode ec = 0;
  
      imp->collapseToStart(ec);
      setDOMException(exec, ec);
      return JSValue::encode(jsUndefined());
  }
  
  EncodedJSValue JSC_HOST_CALL jsDOMSelectionPrototypeFunctionDeleteFromDocument(ExecState* exec)
  {
      JSValue thisValue = exec->hostThisValue();
      if (!thisValue.inherits(&JSDOMSelection::s_info))
          return throwVMTypeError(exec);
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(thisValue));
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
  
      imp->deleteFromDocument();
      return JSValue::encode(jsUndefined());
  }
  
  EncodedJSValue JSC_HOST_CALL jsDOMSelectionPrototypeFunctionContainsNode(ExecState* exec)
  {
      JSValue thisValue = exec->hostThisValue();
      if (!thisValue.inherits(&JSDOMSelection::s_info))
          return throwVMTypeError(exec);
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(thisValue));
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      Node* node(toNode(exec->argument(0)));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
      bool allowPartial(exec->argument(1).toBoolean(exec));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
  
  
      JSC::JSValue result = jsBoolean(imp->containsNode(node, allowPartial));
      return JSValue::encode(result);
  }
  
  EncodedJSValue JSC_HOST_CALL jsDOMSelectionPrototypeFunctionSelectAllChildren(ExecState* exec)
  {
      JSValue thisValue = exec->hostThisValue();
      if (!thisValue.inherits(&JSDOMSelection::s_info))
          return throwVMTypeError(exec);
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(thisValue));
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      ExceptionCode ec = 0;
      Node* node(toNode(exec->argument(0)));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
  
      imp->selectAllChildren(node, ec);
      setDOMException(exec, ec);
      return JSValue::encode(jsUndefined());
  }
  
  EncodedJSValue JSC_HOST_CALL jsDOMSelectionPrototypeFunctionExtend(ExecState* exec)
  {
      JSValue thisValue = exec->hostThisValue();
      if (!thisValue.inherits(&JSDOMSelection::s_info))
          return throwVMTypeError(exec);
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(thisValue));
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      ExceptionCode ec = 0;
      Node* node(toNode(exec->argument(0)));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
      int offset(exec->argument(1).toInt32(exec));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
  
      imp->extend(node, offset, ec);
      setDOMException(exec, ec);
      return JSValue::encode(jsUndefined());
  }
  
  EncodedJSValue JSC_HOST_CALL jsDOMSelectionPrototypeFunctionGetRangeAt(ExecState* exec)
  {
      JSValue thisValue = exec->hostThisValue();
      if (!thisValue.inherits(&JSDOMSelection::s_info))
          return throwVMTypeError(exec);
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(thisValue));
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      ExceptionCode ec = 0;
      int index(exec->argument(0).toInt32(exec));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
  
  
      JSC::JSValue result = toJS(exec, castedThis->globalObject(), WTF::getPtr(imp->getRangeAt(index, ec)));
      setDOMException(exec, ec);
      return JSValue::encode(result);
  }
  
  EncodedJSValue JSC_HOST_CALL jsDOMSelectionPrototypeFunctionRemoveAllRanges(ExecState* exec)
  {
      JSValue thisValue = exec->hostThisValue();
      if (!thisValue.inherits(&JSDOMSelection::s_info))
          return throwVMTypeError(exec);
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(thisValue));
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
  
      imp->removeAllRanges();
      return JSValue::encode(jsUndefined());
  }
  
  EncodedJSValue JSC_HOST_CALL jsDOMSelectionPrototypeFunctionAddRange(ExecState* exec)
  {
      JSValue thisValue = exec->hostThisValue();
      if (!thisValue.inherits(&JSDOMSelection::s_info))
          return throwVMTypeError(exec);
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(thisValue));
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      Range* range(toRange(exec->argument(0)));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
  
      imp->addRange(range);
      return JSValue::encode(jsUndefined());
  }
  
  EncodedJSValue JSC_HOST_CALL jsDOMSelectionPrototypeFunctionToString(ExecState* exec)
  {
      JSValue thisValue = exec->hostThisValue();
      if (!thisValue.inherits(&JSDOMSelection::s_info))
          return throwVMTypeError(exec);
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(thisValue));
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
  
  
      JSC::JSValue result = jsString(exec, imp->toString());
      return JSValue::encode(result);
  }
  
  EncodedJSValue JSC_HOST_CALL jsDOMSelectionPrototypeFunctionModify(ExecState* exec)
  {
      JSValue thisValue = exec->hostThisValue();
      if (!thisValue.inherits(&JSDOMSelection::s_info))
          return throwVMTypeError(exec);
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(thisValue));
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      const String& alter(ustringToString(exec->argument(0).toString(exec)));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
      const String& direction(ustringToString(exec->argument(1).toString(exec)));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
      const String& granularity(ustringToString(exec->argument(2).toString(exec)));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
  
      imp->modify(alter, direction, granularity);
      return JSValue::encode(jsUndefined());
  }
  
  EncodedJSValue JSC_HOST_CALL jsDOMSelectionPrototypeFunctionSetBaseAndExtent(ExecState* exec)
  {
      JSValue thisValue = exec->hostThisValue();
      if (!thisValue.inherits(&JSDOMSelection::s_info))
          return throwVMTypeError(exec);
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(thisValue));
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      ExceptionCode ec = 0;
      Node* baseNode(toNode(exec->argument(0)));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
      int baseOffset(exec->argument(1).toInt32(exec));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
      Node* extentNode(toNode(exec->argument(2)));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
      int extentOffset(exec->argument(3).toInt32(exec));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
  
      imp->setBaseAndExtent(baseNode, baseOffset, extentNode, extentOffset, ec);
      setDOMException(exec, ec);
      return JSValue::encode(jsUndefined());
  }
  
  EncodedJSValue JSC_HOST_CALL jsDOMSelectionPrototypeFunctionSetPosition(ExecState* exec)
  {
      JSValue thisValue = exec->hostThisValue();
      if (!thisValue.inherits(&JSDOMSelection::s_info))
          return throwVMTypeError(exec);
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(thisValue));
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
      ExceptionCode ec = 0;
      Node* node(toNode(exec->argument(0)));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
      int offset(exec->argument(1).toInt32(exec));
      if (exec->hadException())
          return JSValue::encode(jsUndefined());
  
      imp->setPosition(node, offset, ec);
      setDOMException(exec, ec);
      return JSValue::encode(jsUndefined());
  }
  
  EncodedJSValue JSC_HOST_CALL jsDOMSelectionPrototypeFunctionEmpty(ExecState* exec)
  {
      JSValue thisValue = exec->hostThisValue();
      if (!thisValue.inherits(&JSDOMSelection::s_info))
          return throwVMTypeError(exec);
      JSDOMSelection* castedThis = static_cast<JSDOMSelection*>(asObject(thisValue));
      DOMSelection* imp = static_cast<DOMSelection*>(castedThis->impl());
  
      imp->empty();
      return JSValue::encode(jsUndefined());
  }
  
  static inline bool isObservable(JSDOMSelection* jsDOMSelection)
  {
      if (jsDOMSelection->hasCustomProperties())
          return true;
      return false;
  }
  
  bool JSDOMSelectionOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
  {
      JSDOMSelection* jsDOMSelection = static_cast<JSDOMSelection*>(handle.get().asCell());
      if (!isObservable(jsDOMSelection))
          return false;
      Frame* root = jsDOMSelection->impl()->frame();
      if (!root)
          return false;
      return visitor.containsOpaqueRoot(root);
  }
  
  void JSDOMSelectionOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
  {
      JSDOMSelection* jsDOMSelection = static_cast<JSDOMSelection*>(handle.get().asCell());
      DOMWrapperWorld* world = static_cast<DOMWrapperWorld*>(context);
      uncacheWrapper(world, jsDOMSelection->impl(), jsDOMSelection);
  }
  
  JSC::JSValue toJS(JSC::ExecState* exec, JSDOMGlobalObject* globalObject, DOMSelection* impl)
  {
      return wrap<JSDOMSelection>(exec, globalObject, impl);
  }
  
  DOMSelection* toDOMSelection(JSC::JSValue value)
  {
      return value.inherits(&JSDOMSelection::s_info) ? static_cast<JSDOMSelection*>(asObject(value))->impl() : 0;
  }
  
  }
  