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59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef DOM_QUOTA_QMRESULT_H_
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#define DOM_QUOTA_QMRESULT_H_
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#include "ErrorList.h"
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#include "mozilla/dom/quota/Config.h"
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#include "mozilla/dom/quota/ForwardDecls.h"
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namespace mozilla {
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#ifdef QM_ERROR_STACKS_ENABLED
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// A wrapped nsresult, primarily intended for use along with mozilla::Result
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// and QM_TRY macros. The wrapper contains stack id and frame id which are
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// reported in LogError besides the error result itself.
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//
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// XXX Document the general situation more, bug 1709777.
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class QMResult {
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uint64_t mStackId;
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uint32_t mFrameId;
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nsresult mNSResult;
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public:
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QMResult() : QMResult(NS_OK) {}
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explicit QMResult(nsresult aNSResult);
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uint64_t StackId() const { return mStackId; }
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uint32_t FrameId() const { return mFrameId; }
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nsresult NSResult() const { return mNSResult; }
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/**
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* Propagate the result.
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*
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* This is used by GenericErrorResult<QMResult> to create a propagated
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* result.
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*/
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QMResult Propagate() const {
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return QMResult{mStackId, mFrameId + 1, mNSResult};
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}
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private:
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QMResult(uint64_t aStackId, uint32_t aFrameId, nsresult aNSResult)
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: mStackId(aStackId), mFrameId(aFrameId), mNSResult(aNSResult) {}
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};
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#endif
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inline QMResult ToQMResult(nsresult aValue) { return QMResult(aValue); }
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} // namespace mozilla
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#endif
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