/* -*- 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/. */
#ifndef LayoutLogging_h
#define LayoutLogging_h
#include "mozilla/Logging.h"
/**
* Retrieves the log module to use for layout logging.
*/
static mozilla::LazyLogModule sLayoutLog(
"layout");
/**
* Use the layout log to warn if a given condition is false.
*
* This is only enabled in debug builds and the logging is only displayed if
* the environmental variable MOZ_LOG includes "layout:2" (or higher).
*/
#ifdef DEBUG
# define LAYOUT_WARN_IF_FALSE(_cond, _msg) \
PR_BEGIN_MACRO \
if (MOZ_LOG_TEST(sLayoutLog, mozilla::LogLevel::Warning) && !(_cond)) { \
mozilla::detail::LayoutLogWarning(_msg,
#_cond, __FILE__, __LINE__); \
} \
PR_END_MACRO
#else
# define LAYOUT_WARN_IF_FALSE(_cond, _msg) \
PR_BEGIN_MACRO \
PR_END_MACRO
#endif
/**
* Use the layout log to emit a warning with the same format as NS_WARNING.
*
* This is only enabled in debug builds and the logging is only displayed if
* the environmental variable MOZ_LOG includes "layout:2" (or higher).
*/
#ifdef DEBUG
# define LAYOUT_WARNING(_msg) \
PR_BEGIN_MACRO \
if (MOZ_LOG_TEST(sLayoutLog, mozilla::LogLevel::Warning)) { \
mozilla::detail::LayoutLogWarning(_msg, nullptr, __FILE__, __LINE__); \
} \
PR_END_MACRO
#else
# define LAYOUT_WARNING(_msg) \
PR_BEGIN_MACRO \
PR_END_MACRO
#endif
namespace mozilla {
namespace detail {
void LayoutLogWarning(
const char* aStr,
const char* aExpr,
const char* aFile,
int32_t aLine);
}
// namespace detail
}
// namespace mozilla
#endif // LayoutLogging_h
