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