зеркало из https://github.com/mozilla/gecko-dev.git
65 строки
2.8 KiB
Plaintext
65 строки
2.8 KiB
Plaintext
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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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#include "nsISupports.idl"
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#include "nsIException.idl"
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// An exception provider. These can turn special nsresult codes
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// into nsIExceptions
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[scriptable, uuid(0577744c-c1d2-47f2-8bcc-ce7a9e5a88fc)]
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interface nsIExceptionProvider : nsISupports
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{
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/** Gets an nsIException or returns NULL if not possible. **/
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nsIException getException(in nsresult result, in nsIException defaultException);
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};
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// A ScriptErrorManager for a single thread. These objects
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// are _not_ thread-safe. Use the ScriptErrorService
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// to get a script error manager for your current thread.
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[scriptable, uuid(efc9d00b-231c-4feb-852c-ac017266a415)]
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interface nsIExceptionManager : nsISupports
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{
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/** Sets (or clears with nullptr) the current error on the this thread. */
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void setCurrentException( in nsIException error);
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/** Gets the current error for the current thread, or NULL if no error */
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nsIException getCurrentException();
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/** Gets an exception from a registered exception provider..
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This has no effect on the "current exception" */
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nsIException getExceptionFromProvider( in nsresult rc, in nsIException defaultException);
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};
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// The Exception Service. Allows you to get an set exceptions in a thread
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// safe manner, or to get an ExceptionManager for your specific thread.
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[scriptable, uuid(35A88F54-F267-4414-92A7-191F6454AB52)]
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interface nsIExceptionService : nsIExceptionManager
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{
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/** Obtains an exception manager for the current thread. */
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readonly attribute nsIExceptionManager currentExceptionManager;
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/** Installs an "exception provider" which is capable of
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translating an nsresult into an exception. This enables
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error providers to return simple nsresults and only provide
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rich errors when specifically requested. It also has the
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advantage of allowing code like the DOM to handle all errors
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in a single function rather than at each XPCOM entry point.
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NOTE: This interface must be thread-safe - it will be called
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on whatever thread needs the error translation performed.*/
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void registerExceptionProvider( in nsIExceptionProvider provider, in uint32_t moduleCode );
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void unregisterExceptionProvider( in nsIExceptionProvider provider, in uint32_t moduleCode );
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};
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%{ C++
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#define NS_EXCEPTIONSERVICE_CLASSNAME "Exception Service"
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// {35A88F54-F267-4414-92A7-191F6454AB52}
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#define NS_EXCEPTIONSERVICE_CID \
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{ 0x35a88f54, 0xf267, 0x4414, { 0x92, 0xa7, 0x19, 0x1f, 0x64, 0x54, 0xab, 0x52 } }
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#define NS_EXCEPTIONSERVICE_CONTRACTID "@mozilla.org/exceptionservice;1"
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%}
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