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gecko/xpcom/base/nsError.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsError_h__
#define nsError_h__
#ifndef nscore_h___
#include "nscore.h" /* needed for nsresult */
#endif
/*
* To add error code to your module, you need to do the following:
*
* 1) Add a module offset code. Add yours to the bottom of the list
* right below this comment, adding 1.
*
* 2) In your module, define a header file which uses one of the
* NE_ERROR_GENERATExxxxxx macros. Some examples below:
*
* #define NS_ERROR_MYMODULE_MYERROR1 NS_ERROR_GENERATE(NS_ERROR_SEVERITY_ERROR,NS_ERROR_MODULE_MYMODULE,1)
* #define NS_ERROR_MYMODULE_MYERROR2 NS_ERROR_GENERATE_SUCCESS(NS_ERROR_MODULE_MYMODULE,2)
* #define NS_ERROR_MYMODULE_MYERROR3 NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_MYMODULE,3)
*
*/
/**
* @name Standard Module Offset Code. Each Module should identify a unique number
* and then all errors associated with that module become offsets from the
* base associated with that module id. There are 16 bits of code bits for
* each module.
*/
#define NS_ERROR_MODULE_XPCOM 1
#define NS_ERROR_MODULE_BASE 2
#define NS_ERROR_MODULE_GFX 3
#define NS_ERROR_MODULE_WIDGET 4
#define NS_ERROR_MODULE_CALENDAR 5
#define NS_ERROR_MODULE_NETWORK 6
#define NS_ERROR_MODULE_PLUGINS 7
#define NS_ERROR_MODULE_LAYOUT 8
#define NS_ERROR_MODULE_HTMLPARSER 9
#define NS_ERROR_MODULE_RDF 10
#define NS_ERROR_MODULE_UCONV 11
#define NS_ERROR_MODULE_REG 12
#define NS_ERROR_MODULE_FILES 13
#define NS_ERROR_MODULE_DOM 14
#define NS_ERROR_MODULE_IMGLIB 15
#define NS_ERROR_MODULE_MAILNEWS 16
#define NS_ERROR_MODULE_EDITOR 17
#define NS_ERROR_MODULE_XPCONNECT 18
#define NS_ERROR_MODULE_PROFILE 19
#define NS_ERROR_MODULE_LDAP 20
#define NS_ERROR_MODULE_SECURITY 21
#define NS_ERROR_MODULE_DOM_XPATH 22
// 23 used to be NS_ERROR_MODULE_DOM_RANGE (see bug 711047)
#define NS_ERROR_MODULE_URILOADER 24
#define NS_ERROR_MODULE_CONTENT 25
#define NS_ERROR_MODULE_PYXPCOM 26
#define NS_ERROR_MODULE_XSLT 27
#define NS_ERROR_MODULE_IPC 28
#define NS_ERROR_MODULE_SVG 29
#define NS_ERROR_MODULE_STORAGE 30
#define NS_ERROR_MODULE_SCHEMA 31
#define NS_ERROR_MODULE_DOM_FILE 32
#define NS_ERROR_MODULE_DOM_INDEXEDDB 33
#define NS_ERROR_MODULE_DOM_EVENTS 34
/* NS_ERROR_MODULE_GENERAL should be used by modules that do not
* care if return code values overlap. Callers of methods that
* return such codes should be aware that they are not
* globally unique. Implementors should be careful about blindly
* returning codes from other modules that might also use
* the generic base.
*/
#define NS_ERROR_MODULE_GENERAL 51
/**
* @name Standard Error Handling Macros
* @return 0 or 1
*/
#if defined(NS_STATIC_CHECKING) && defined(__cplusplus)
inline int NS_FAILED(nsresult _nsresult) {
return _nsresult & 0x80000000;
}
inline int NS_SUCCEEDED(nsresult _nsresult) {
return !(_nsresult & 0x80000000);
}
#else
#define NS_FAILED(_nsresult) (NS_UNLIKELY((_nsresult) & 0x80000000))
#define NS_SUCCEEDED(_nsresult) (NS_LIKELY(!((_nsresult) & 0x80000000)))
#endif
/**
* @name Severity Code. This flag identifies the level of warning
*/
#define NS_ERROR_SEVERITY_SUCCESS 0
#define NS_ERROR_SEVERITY_ERROR 1
/**
* @name Mozilla Code. This flag separates consumers of mozilla code
* from the native platform
*/
#define NS_ERROR_MODULE_BASE_OFFSET 0x45
/**
* @name Standard Error Generating Macros
*/
#define NS_ERROR_GENERATE(sev,module,code) \
((nsresult) (((PRUint32)(sev) <<31) | ((PRUint32)(module+NS_ERROR_MODULE_BASE_OFFSET)<<16) | ((PRUint32)(code))))
#define NS_ERROR_GENERATE_SUCCESS(module,code) \
((nsresult) (((PRUint32)(NS_ERROR_SEVERITY_SUCCESS)<<31) | ((PRUint32)(module+NS_ERROR_MODULE_BASE_OFFSET)<<16) | ((PRUint32)(code))))
#define NS_ERROR_GENERATE_FAILURE(module,code) \
((nsresult) (((PRUint32)(NS_ERROR_SEVERITY_ERROR) <<31) | ((PRUint32)(module+NS_ERROR_MODULE_BASE_OFFSET)<<16) | ((PRUint32)(code))))
/**
* @name Standard Macros for retrieving error bits
*/
#define NS_ERROR_GET_CODE(err) ((err) & 0xffff)
#define NS_ERROR_GET_MODULE(err) (((((err) >> 16) - NS_ERROR_MODULE_BASE_OFFSET) & 0x1fff))
#define NS_ERROR_GET_SEVERITY(err) (((err) >> 31) & 0x1)
/**
* @name Standard return values
*/
/*@{*/
/* Standard "it worked" return value */
#define NS_OK 0
#define NS_ERROR_BASE ((nsresult) 0xC1F30000)
/* Returned when an instance is not initialized */
#define NS_ERROR_NOT_INITIALIZED (NS_ERROR_BASE + 1)
/* Returned when an instance is already initialized */
#define NS_ERROR_ALREADY_INITIALIZED (NS_ERROR_BASE + 2)
/* Returned by a not implemented function */
#define NS_ERROR_NOT_IMPLEMENTED ((nsresult) 0x80004001L)
/* Returned when a given interface is not supported. */
#define NS_NOINTERFACE ((nsresult) 0x80004002L)
#define NS_ERROR_NO_INTERFACE NS_NOINTERFACE
#define NS_ERROR_INVALID_POINTER ((nsresult) 0x80004003L)
#define NS_ERROR_NULL_POINTER NS_ERROR_INVALID_POINTER
/* Returned when a function aborts */
#define NS_ERROR_ABORT ((nsresult) 0x80004004L)
/* Returned when a function fails */
#define NS_ERROR_FAILURE ((nsresult) 0x80004005L)
/* Returned when an unexpected error occurs */
#define NS_ERROR_UNEXPECTED ((nsresult) 0x8000ffffL)
/* Returned when a memory allocation fails */
#define NS_ERROR_OUT_OF_MEMORY ((nsresult) 0x8007000eL)
/* Returned when an illegal value is passed */
#define NS_ERROR_ILLEGAL_VALUE ((nsresult) 0x80070057L)
#define NS_ERROR_INVALID_ARG NS_ERROR_ILLEGAL_VALUE
/* Returned when a class doesn't allow aggregation */
#define NS_ERROR_NO_AGGREGATION ((nsresult) 0x80040110L)
/* Returned when an operation can't complete due to an unavailable resource */
#define NS_ERROR_NOT_AVAILABLE ((nsresult) 0x80040111L)
/* Returned when a class is not registered */
#define NS_ERROR_FACTORY_NOT_REGISTERED ((nsresult) 0x80040154L)
/* Returned when a class cannot be registered, but may be tried again later */
#define NS_ERROR_FACTORY_REGISTER_AGAIN ((nsresult) 0x80040155L)
/* Returned when a dynamically loaded factory couldn't be found */
#define NS_ERROR_FACTORY_NOT_LOADED ((nsresult) 0x800401f8L)
/* Returned when a factory doesn't support signatures */
#define NS_ERROR_FACTORY_NO_SIGNATURE_SUPPORT \
(NS_ERROR_BASE + 0x101)
/* Returned when a factory already is registered */
#define NS_ERROR_FACTORY_EXISTS (NS_ERROR_BASE + 0x100)
/* For COM compatibility reasons, we want to use exact error code numbers
for NS_ERROR_PROXY_INVALID_IN_PARAMETER and NS_ERROR_PROXY_INVALID_OUT_PARAMETER.
The first matches:
#define RPC_E_INVALID_PARAMETER _HRESULT_TYPEDEF_(0x80010010L)
Errors returning this mean that the xpcom proxy code could not create a proxy for
one of the in paramaters.
Because of this, we are ignoring the convention if using a base and offset for
error numbers.
*/
/* Returned when a proxy could not be create a proxy for one of the IN parameters
This is returned only when the "real" method has NOT been invoked.
*/
#define NS_ERROR_PROXY_INVALID_IN_PARAMETER ((nsresult) 0x80010010L)
/* Returned when a proxy could not be create a proxy for one of the OUT parameters
This is returned only when the "real" method has ALREADY been invoked.
*/
#define NS_ERROR_PROXY_INVALID_OUT_PARAMETER ((nsresult) 0x80010011L)
/*@}*/
/* I/O Errors */
/* Stream closed */
#define NS_BASE_STREAM_CLOSED NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_BASE, 2)
/* Error from the operating system */
#define NS_BASE_STREAM_OSERROR NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_BASE, 3)
/* Illegal arguments */
#define NS_BASE_STREAM_ILLEGAL_ARGS NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_BASE, 4)
/* For unichar streams */
#define NS_BASE_STREAM_NO_CONVERTER NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_BASE, 5)
/* For unichar streams */
#define NS_BASE_STREAM_BAD_CONVERSION NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_BASE, 6)
#define NS_BASE_STREAM_WOULD_BLOCK NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_BASE, 7)
#define NS_ERROR_FILE_UNRECOGNIZED_PATH NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 1)
#define NS_ERROR_FILE_UNRESOLVABLE_SYMLINK NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 2)
#define NS_ERROR_FILE_EXECUTION_FAILED NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 3)
#define NS_ERROR_FILE_UNKNOWN_TYPE NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 4)
#define NS_ERROR_FILE_DESTINATION_NOT_DIR NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 5)
#define NS_ERROR_FILE_TARGET_DOES_NOT_EXIST NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 6)
#define NS_ERROR_FILE_COPY_OR_MOVE_FAILED NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 7)
#define NS_ERROR_FILE_ALREADY_EXISTS NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 8)
#define NS_ERROR_FILE_INVALID_PATH NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 9)
#define NS_ERROR_FILE_DISK_FULL NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 10)
#define NS_ERROR_FILE_CORRUPTED NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 11)
#define NS_ERROR_FILE_NOT_DIRECTORY NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 12)
#define NS_ERROR_FILE_IS_DIRECTORY NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 13)
#define NS_ERROR_FILE_IS_LOCKED NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 14)
#define NS_ERROR_FILE_TOO_BIG NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 15)
#define NS_ERROR_FILE_NO_DEVICE_SPACE NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 16)
#define NS_ERROR_FILE_NAME_TOO_LONG NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 17)
#define NS_ERROR_FILE_NOT_FOUND NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 18)
#define NS_ERROR_FILE_READ_ONLY NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 19)
#define NS_ERROR_FILE_DIR_NOT_EMPTY NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 20)
#define NS_ERROR_FILE_ACCESS_DENIED NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES, 21)
#define NS_SUCCESS_FILE_DIRECTORY_EMPTY NS_ERROR_GENERATE_SUCCESS(NS_ERROR_MODULE_FILES, 1)
/* Result codes used by nsIDirectoryServiceProvider2 */
#define NS_SUCCESS_AGGREGATE_RESULT NS_ERROR_GENERATE_SUCCESS(NS_ERROR_MODULE_FILES, 2)
/* Result codes used by nsIVariant */
#define NS_ERROR_CANNOT_CONVERT_DATA NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_XPCOM, 1)
#define NS_ERROR_OBJECT_IS_IMMUTABLE NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_XPCOM, 2)
#define NS_ERROR_LOSS_OF_SIGNIFICANT_DATA NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_XPCOM, 3)
#define NS_SUCCESS_LOSS_OF_INSIGNIFICANT_DATA NS_ERROR_GENERATE_SUCCESS(NS_ERROR_MODULE_XPCOM, 1)
/* Result codes used by nsIThreadManager */
#define NS_ERROR_NOT_SAME_THREAD NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_XPCOM, 4)
/**
* Various operations are not permitted during XPCOM shutdown and will fail
* with this exception.
*/
#define NS_ERROR_ILLEGAL_DURING_SHUTDOWN NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_XPCOM, 30)
/*
* This will return the nsresult corresponding to the most recent NSPR failure
* returned by PR_GetError.
*
***********************************************************************
* Do not depend on this function. It will be going away!
***********************************************************************
*/
extern nsresult
NS_ErrorAccordingToNSPR();
#ifdef _MSC_VER
#pragma warning(disable: 4251) /* 'nsCOMPtr<class nsIInputStream>' needs to have dll-interface to be used by clients of class 'nsInputStream' */
#pragma warning(disable: 4275) /* non dll-interface class 'nsISupports' used as base for dll-interface class 'nsIRDFNode' */
#endif
#if defined(XP_WIN) && defined(__cplusplus)
extern bool sXPCOMHasLoadedNewDLLs;
NS_EXPORT void NS_SetHasLoadedNewDLLs();
#endif
#endif
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