third_party/WebKit/Source/wtf/DataLog.h

   1 /*
   2  * Copyright (C) 2012 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef DataLog_h
  27 #define DataLog_h
  28
  29 #include "wtf/Assertions.h"
  30 #include "wtf/FilePrintStream.h"
  31
  32 #include <stdarg.h>
  33 #include <stdio.h>
  34
  35 namespace WTF {
  36
  37 FilePrintStream& dataFile();
  38
  39 void dataLogFV(const char* format, va_list) WTF_ATTRIBUTE_PRINTF(1, 0);
  40 void dataLogF(const char* format, ...) WTF_ATTRIBUTE_PRINTF(1, 2);
  41 void dataLogFString(const char*);
  42
  43 template<typename... T>
  44 void dataLog(const T&... values)
  45 {
  46     dataFile().print(values...);
  47 }
  48
  49 } // namespace WTF
  50
  51 using WTF::dataLog;
  52 using WTF::dataLogF;
  53 using WTF::dataLogFString;
  54
  55 #endif // DataLog_h
  56