gecko-dev/dom/base/DOMException.h

163 строки
3.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_DOMException_h__
#define mozilla_dom_DOMException_h__
// We intentionally shadow non-virtual methods, but gcc gets confused.
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Woverloaded-virtual"
#endif
#include <stdint.h>
#include "jspubtd.h"
#include "js/GCAPI.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsID.h"
#include "nsIDOMDOMException.h"
#include "nsWrapperCache.h"
#include "xpcexception.h"
class nsIStackFrame;
class nsString;
nsresult
NS_GetNameAndMessageForDOMNSResult(nsresult aNSResult, const char** aName,
const char** aMessage,
uint16_t* aCode = nullptr);
namespace mozilla {
namespace dom {
#define MOZILLA_EXCEPTION_IID \
{ 0x55eda557, 0xeba0, 0x4fe3, \
{ 0xae, 0x2e, 0xf3, 0x94, 0x49, 0x23, 0x62, 0xd6 } }
class Exception : public nsIXPCException,
public nsWrapperCache
{
public:
NS_DECLARE_STATIC_IID_ACCESSOR(MOZILLA_EXCEPTION_IID)
NS_DEFINE_STATIC_CID_ACCESSOR(NS_XPCEXCEPTION_CID)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Exception)
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_NSIEXCEPTION
NS_DECL_NSIXPCEXCEPTION
// Cruft used by XPConnect for exceptions originating in JS implemented
// components.
bool StealJSVal(JS::Value* aVp);
void StowJSVal(JS::Value& aVp);
// WebIDL API
virtual JSObject* WrapObject(JSContext* cx, JS::Handle<JSObject*> scope)
MOZ_OVERRIDE;
nsISupports* GetParentObject() const { return nullptr; }
void GetMessageMoz(nsString& retval);
uint32_t Result() const;
void GetName(nsString& retval);
void GetFilename(nsString& retval);
uint32_t LineNumber() const;
uint32_t ColumnNumber() const;
already_AddRefed<nsIStackFrame> GetLocation() const;
already_AddRefed<nsISupports> GetInner() const;
already_AddRefed<nsISupports> GetData() const;
void Stringify(nsString& retval);
// XPCOM factory ctor.
Exception();
Exception(const char *aMessage,
nsresult aResult,
const char *aName,
nsIStackFrame *aLocation,
nsISupports *aData);
protected:
virtual ~Exception();
char* mMessage;
nsresult mResult;
char* mName;
nsCOMPtr<nsIStackFrame> mLocation;
nsCOMPtr<nsISupports> mData;
char* mFilename;
int mLineNumber;
nsCOMPtr<nsIException> mInner;
bool mInitialized;
bool mHoldingJSVal;
JS::Heap<JS::Value> mThrownJSVal;
private:
static bool sEverMadeOneFromFactory;
};
NS_DEFINE_STATIC_IID_ACCESSOR(Exception, MOZILLA_EXCEPTION_IID)
class DOMException : public Exception,
public nsIDOMDOMException
{
public:
DOMException(nsresult aRv, const char* aMessage,
const char* aName, uint16_t aCode);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIDOMDOMEXCEPTION
// nsIException overrides
NS_IMETHOD ToString(char **aReturn) MOZ_OVERRIDE;
// nsWrapperCache overrides
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope)
MOZ_OVERRIDE;
uint16_t Code() const {
return mCode;
}
// Intentionally shadow the nsXPCException version.
void GetMessageMoz(nsString& retval);
void GetName(nsString& retval);
static already_AddRefed<DOMException>
Create(nsresult aRv);
protected:
virtual ~DOMException() {}
// Intentionally shadow the nsXPCException version.
const char* mName;
const char* mMessage;
uint16_t mCode;
};
} // namespace dom
} // namespace mozilla
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
#endif