зеркало из https://github.com/mozilla/gecko-dev.git
40 строки
2.2 KiB
C++
40 строки
2.2 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// This file does not make sense on its own. It must be #included along with
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// StaticPrefsListEnd.h in all headers that contribute prefs to the StaticPrefs
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// namespace.
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#include "StaticPrefsBase.h"
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#include "MainThreadUtils.h" // for NS_IsMainThread()
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namespace mozilla {
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namespace StaticPrefs {
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// For mirrored prefs we generate an extern variable declaration and three
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// getter declarations/definitions.
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#define NEVER_PREF(name, cpp_type, default_value)
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#define ALWAYS_PREF(name, base_id, full_id, cpp_type, default_value) \
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extern cpp_type sMirror_##full_id; \
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inline StripAtomic<cpp_type> full_id() { \
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MOZ_DIAGNOSTIC_ASSERT(IsAtomic<cpp_type>::value || NS_IsMainThread(), \
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"Non-atomic static pref '" name \
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"' being accessed on background thread by getter"); \
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return sMirror_##full_id; \
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} \
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inline const char* GetPrefName_##base_id() { return name; } \
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inline StripAtomic<cpp_type> GetPrefDefault_##base_id() { \
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return default_value; \
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}
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#define ONCE_PREF(name, base_id, full_id, cpp_type, default_value) \
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extern cpp_type sMirror_##full_id; \
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inline cpp_type full_id() { \
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MaybeInitOncePrefs(); \
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return sMirror_##full_id; \
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} \
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inline const char* GetPrefName_##base_id() { return name; } \
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inline cpp_type GetPrefDefault_##base_id() { return default_value; }
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