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/* -*- 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/. */

/* Debug Logging support. */

#ifndef xpclog_h___
#define xpclog_h___

#include "mozilla/Attributes.h"
#include "mozilla/Logging.h"

/*
 * This uses mozilla/Logging.h. The module name used here is 'xpclog'.
 * These environment settings should work...
 *
 * SET MOZ_LOG=xpclog:5
 * SET MOZ_LOG_FILE=logfile.txt
 *
 * usage:
 *   XPC_LOG_ERROR(("my comment number %d", 5))   // note the double parens
 *
 */

#ifdef DEBUG
#  define XPC_LOG_INTERNAL(number, _args) \
    do {                                  \
      if (XPC_Log_Check(number)) {        \
        XPC_Log_print _args;              \
      }                                   \
    } while (0)

#  define XPC_LOG_ALWAYS(_args) XPC_LOG_INTERNAL(1, _args)
#  define XPC_LOG_ERROR(_args) XPC_LOG_INTERNAL(2, _args)
#  define XPC_LOG_WARNING(_args) XPC_LOG_INTERNAL(3, _args)
#  define XPC_LOG_DEBUG(_args) XPC_LOG_INTERNAL(4, _args)
#  define XPC_LOG_FLUSH() PR_LogFlush()
#  define XPC_LOG_INDENT() XPC_Log_Indent()
#  define XPC_LOG_OUTDENT() XPC_Log_Outdent()
#  define XPC_LOG_CLEAR_INDENT() XPC_Log_Clear_Indent()
#  define XPC_LOG_FINISH() XPC_Log_Finish()

extern "C" {

void XPC_Log_print(const char* fmt, ...) MOZ_FORMAT_PRINTF(1, 2);
bool XPC_Log_Check(int i);
void XPC_Log_Indent();
void XPC_Log_Outdent();
void XPC_Log_Clear_Indent();
void XPC_Log_Finish();

}  // extern "C"

#else

#  define XPC_LOG_ALWAYS(_args) ((void)0)
#  define XPC_LOG_ERROR(_args) ((void)0)
#  define XPC_LOG_WARNING(_args) ((void)0)
#  define XPC_LOG_DEBUG(_args) ((void)0)
#  define XPC_LOG_FLUSH() ((void)0)
#  define XPC_LOG_INDENT() ((void)0)
#  define XPC_LOG_OUTDENT() ((void)0)
#  define XPC_LOG_CLEAR_INDENT() ((void)0)
#  define XPC_LOG_FINISH() ((void)0)
#endif

#endif /* xpclog_h___ */