mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-20 16:55:40 +00:00
ae8111551f
There is no use mozilla namespace statement in this compilation unit, so the call to GetErrorName() has to be prefixed with the mozilla namespace. MozReview-Commit-ID: G3caP2v9PFF --HG-- extra : rebase_source : 9aebe0711cf8ad81dc47592521a4f29b4f75caab
79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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/. */
|
|
|
|
#include "mozilla/ArrayUtils.h"
|
|
#include "mozilla/ErrorNames.h"
|
|
#include "nsString.h"
|
|
#include "prerror.h"
|
|
|
|
// Get the GetErrorNameInternal method
|
|
#include "ErrorNamesInternal.h"
|
|
|
|
namespace mozilla {
|
|
|
|
void
|
|
GetErrorName(nsresult rv, nsACString& name)
|
|
{
|
|
if (const char* errorName = GetErrorNameInternal(rv)) {
|
|
name.AssignASCII(errorName);
|
|
return;
|
|
}
|
|
|
|
bool isSecurityError = NS_ERROR_GET_MODULE(rv) == NS_ERROR_MODULE_SECURITY;
|
|
|
|
// NS_ERROR_MODULE_SECURITY is the only module that is "allowed" to
|
|
// synthesize nsresult error codes that are not listed in ErrorList.h. (The
|
|
// NS_ERROR_MODULE_SECURITY error codes are synthesized from NSPR error
|
|
// codes.)
|
|
MOZ_ASSERT(isSecurityError);
|
|
|
|
name.AssignASCII(NS_SUCCEEDED(rv) ? "NS_ERROR_GENERATE_SUCCESS("
|
|
: "NS_ERROR_GENERATE_FAILURE(");
|
|
|
|
if (isSecurityError) {
|
|
name.AppendASCII("NS_ERROR_MODULE_SECURITY");
|
|
} else {
|
|
// This should never happen given the assertion above, so we don't bother
|
|
// trying to print a symbolic name for the module here.
|
|
name.AppendInt(NS_ERROR_GET_MODULE(rv));
|
|
}
|
|
|
|
name.AppendASCII(", ");
|
|
|
|
const char * nsprName = nullptr;
|
|
if (isSecurityError) {
|
|
// Invert the logic from NSSErrorsService::GetXPCOMFromNSSError
|
|
PRErrorCode nsprCode
|
|
= -1 * static_cast<PRErrorCode>(NS_ERROR_GET_CODE(rv));
|
|
nsprName = PR_ErrorToName(nsprCode);
|
|
|
|
// All NSPR error codes defined by NSPR or NSS should have a name mapping.
|
|
MOZ_ASSERT(nsprName);
|
|
}
|
|
|
|
if (nsprName) {
|
|
name.AppendASCII(nsprName);
|
|
} else {
|
|
name.AppendInt(NS_ERROR_GET_CODE(rv));
|
|
}
|
|
|
|
name.AppendASCII(")");
|
|
}
|
|
|
|
} // namespace mozilla
|
|
|
|
extern "C" {
|
|
|
|
// This is an extern "C" binding for the GetErrorName method which is used by
|
|
// the nsresult rust bindings in xpcom/rust/nserror.
|
|
void
|
|
Gecko_GetErrorName(nsresult aRv, nsACString& aName)
|
|
{
|
|
mozilla::GetErrorName(aRv, aName);
|
|
}
|
|
|
|
}
|