dom/base/DOMException.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/base/DOMException.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,162 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#ifndef mozilla_dom_DOMException_h__
    1.10 +#define mozilla_dom_DOMException_h__
    1.11 +
    1.12 +// We intentionally shadow non-virtual methods, but gcc gets confused.
    1.13 +#ifdef __GNUC__
    1.14 +#pragma GCC diagnostic push
    1.15 +#pragma GCC diagnostic ignored "-Woverloaded-virtual"
    1.16 +#endif
    1.17 +
    1.18 +#include <stdint.h>
    1.19 +#include "jspubtd.h"
    1.20 +#include "js/GCAPI.h"
    1.21 +#include "nsCOMPtr.h"
    1.22 +#include "nsCycleCollectionParticipant.h"
    1.23 +#include "nsID.h"
    1.24 +#include "nsIDOMDOMException.h"
    1.25 +#include "nsWrapperCache.h"
    1.26 +#include "xpcexception.h"
    1.27 +#include "nsString.h"
    1.28 +
    1.29 +class nsIStackFrame;
    1.30 +class nsString;
    1.31 +
    1.32 +nsresult
    1.33 +NS_GetNameAndMessageForDOMNSResult(nsresult aNSResult, nsACString& aName,
    1.34 +                                   nsACString& aMessage,
    1.35 +                                   uint16_t* aCode = nullptr);
    1.36 +
    1.37 +namespace mozilla {
    1.38 +namespace dom {
    1.39 +
    1.40 +#define MOZILLA_EXCEPTION_IID \
    1.41 +{ 0x55eda557, 0xeba0, 0x4fe3, \
    1.42 +  { 0xae, 0x2e, 0xf3, 0x94, 0x49, 0x23, 0x62, 0xd6 } }
    1.43 +
    1.44 +class Exception : public nsIXPCException,
    1.45 +                  public nsWrapperCache
    1.46 +{
    1.47 +public:
    1.48 +  NS_DECLARE_STATIC_IID_ACCESSOR(MOZILLA_EXCEPTION_IID)
    1.49 +
    1.50 +  NS_DEFINE_STATIC_CID_ACCESSOR(NS_XPCEXCEPTION_CID)
    1.51 +
    1.52 +  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Exception)
    1.53 +  
    1.54 +  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
    1.55 +  NS_DECL_NSIEXCEPTION
    1.56 +  NS_DECL_NSIXPCEXCEPTION
    1.57 +
    1.58 +  // Cruft used by XPConnect for exceptions originating in JS implemented
    1.59 +  // components.
    1.60 +  bool StealJSVal(JS::Value* aVp);
    1.61 +  void StowJSVal(JS::Value& aVp);
    1.62 +
    1.63 +  // WebIDL API
    1.64 +  virtual JSObject* WrapObject(JSContext* cx)
    1.65 +    MOZ_OVERRIDE;
    1.66 +
    1.67 +  nsISupports* GetParentObject() const { return nullptr; }
    1.68 +
    1.69 +  void GetMessageMoz(nsString& retval);
    1.70 +
    1.71 +  uint32_t Result() const;
    1.72 +
    1.73 +  void GetName(nsString& retval);
    1.74 +
    1.75 +  // The XPCOM GetFilename does the right thing.
    1.76 +
    1.77 +  uint32_t LineNumber() const;
    1.78 +
    1.79 +  uint32_t ColumnNumber() const;
    1.80 +
    1.81 +  already_AddRefed<nsIStackFrame> GetLocation() const;
    1.82 +
    1.83 +  already_AddRefed<nsISupports> GetInner() const;
    1.84 +
    1.85 +  already_AddRefed<nsISupports> GetData() const;
    1.86 +
    1.87 +  void Stringify(nsString& retval);
    1.88 +
    1.89 +  // XPCOM factory ctor.
    1.90 +  Exception();
    1.91 +
    1.92 +  Exception(const nsACString& aMessage,
    1.93 +            nsresult aResult,
    1.94 +            const nsACString& aName,
    1.95 +            nsIStackFrame *aLocation,
    1.96 +            nsISupports *aData);
    1.97 +
    1.98 +protected:
    1.99 +  virtual ~Exception();
   1.100 +
   1.101 +  nsCString       mMessage;
   1.102 +  nsresult        mResult;
   1.103 +  nsCString       mName;
   1.104 +  nsCOMPtr<nsIStackFrame> mLocation;
   1.105 +  nsCOMPtr<nsISupports> mData;
   1.106 +  nsString        mFilename;
   1.107 +  int             mLineNumber;
   1.108 +  nsCOMPtr<nsIException> mInner;
   1.109 +  bool            mInitialized;
   1.110 +
   1.111 +  bool mHoldingJSVal;
   1.112 +  JS::Heap<JS::Value> mThrownJSVal;
   1.113 +
   1.114 +private:
   1.115 +  static bool sEverMadeOneFromFactory;
   1.116 +};
   1.117 +
   1.118 +NS_DEFINE_STATIC_IID_ACCESSOR(Exception, MOZILLA_EXCEPTION_IID)
   1.119 +
   1.120 +class DOMException : public Exception,
   1.121 +                     public nsIDOMDOMException
   1.122 +{
   1.123 +public:
   1.124 +  DOMException(nsresult aRv, const nsACString& aMessage,
   1.125 +               const nsACString& aName, uint16_t aCode);
   1.126 +
   1.127 +  NS_DECL_ISUPPORTS_INHERITED
   1.128 +  NS_DECL_NSIDOMDOMEXCEPTION
   1.129 +
   1.130 +  // nsIException overrides
   1.131 +  NS_IMETHOD ToString(nsACString& aReturn) MOZ_OVERRIDE;
   1.132 +
   1.133 +  // nsWrapperCache overrides
   1.134 +  virtual JSObject* WrapObject(JSContext* aCx)
   1.135 +    MOZ_OVERRIDE;
   1.136 +
   1.137 +  uint16_t Code() const {
   1.138 +    return mCode;
   1.139 +  }
   1.140 +
   1.141 +  // Intentionally shadow the nsXPCException version.
   1.142 +  void GetMessageMoz(nsString& retval);
   1.143 +  void GetName(nsString& retval);
   1.144 +
   1.145 +  static already_AddRefed<DOMException>
   1.146 +  Create(nsresult aRv);
   1.147 +
   1.148 +protected:
   1.149 +
   1.150 +  virtual ~DOMException() {}
   1.151 +
   1.152 +  nsCString mName;
   1.153 +  nsCString mMessage;
   1.154 +
   1.155 +  uint16_t mCode;
   1.156 +};
   1.157 +
   1.158 +} // namespace dom
   1.159 +} // namespace mozilla
   1.160 +
   1.161 +#ifdef __GNUC__
   1.162 +#pragma GCC diagnostic pop
   1.163 +#endif
   1.164 +
   1.165 +#endif

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