wtf/Assertions.cpp

   1 /*
   2  * Copyright (C) 2003, 2006, 2007 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 COMPUTER, 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 COMPUTER, 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 #include "config.h"
  27 #include "Assertions.h"
  28
  29 #include <stdio.h>
  30 #include <stdarg.h>
  31 #include <string.h>
  32
  33 #include <CoreFoundation/CFString.h>
  34
  35 #if COMPILER(MSVC) && !PLATFORM(WIN_CE)
  36 #ifndef WINVER
  37 #define WINVER 0x0500
  38 #endif
  39 #ifndef _WIN32_WINNT
  40 #define _WIN32_WINNT 0x0500
  41 #endif
  42 #include <windows.h>
  43 #include <crtdbg.h>
  44 #endif
  45
  46 extern "C" {
  47
  48 WTF_ATTRIBUTE_PRINTF(1, 0)
  49 static void vprintf_stderr_common(const char* format, va_list args)
  50 {
  51     if (strstr(format, "%@")) {
  52         CFStringRef cfFormat = CFStringCreateWithCString(NULL, format, kCFStringEncodingUTF8);
  53         CFStringRef str = CFStringCreateWithFormatAndArguments(NULL, NULL, cfFormat, args);
  54
  55         int length = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str), kCFStringEncodingUTF8);
  56         char* buffer = (char*)malloc(length + 1);
  57
  58         CFStringGetCString(str, buffer, length, kCFStringEncodingUTF8);
  59
  60         fputs(buffer, stderr);
  61
  62         free(buffer);
  63         CFRelease(str);
  64         CFRelease(cfFormat);
  65     } else
  66     vfprintf(stderr, format, args);
  67 }
  68
  69 WTF_ATTRIBUTE_PRINTF(1, 2)
  70 static void printf_stderr_common(const char* format, ...)
  71 {
  72     va_list args;
  73     va_start(args, format);
  74     vprintf_stderr_common(format, args);
  75     va_end(args);
  76 }
  77
  78 static void printCallSite(const char* file, int line, const char* function)
  79 {
  80 #if PLATFORM(WIN) && defined _DEBUG
  81     _CrtDbgReport(_CRT_WARN, file, line, NULL, "%s\n", function);
  82 #else
  83     printf_stderr_common("(%s:%d %s)\n", file, line, function);
  84 #endif
  85 }
  86
  87 void WTFReportAssertionFailure(const char* file, int line, const char* function, const char* assertion)
  88 {
  89     if (assertion)
  90         printf_stderr_common("ASSERTION FAILED: %s\n", assertion);
  91     else
  92         printf_stderr_common("SHOULD NEVER BE REACHED\n");
  93     printCallSite(file, line, function);
  94 }
  95
  96 void WTFReportAssertionFailureWithMessage(const char* file, int line, const char* function, const char* assertion, const char* format, ...)
  97 {
  98     printf_stderr_common("ASSERTION FAILED: ");
  99     va_list args;
 100     va_start(args, format);
 101     vprintf_stderr_common(format, args);
 102     va_end(args);
 103     printf_stderr_common("\n%s\n", assertion);
 104     printCallSite(file, line, function);
 105 }
 106
 107 void WTFReportArgumentAssertionFailure(const char* file, int line, const char* function, const char* argName, const char* assertion)
 108 {
 109     printf_stderr_common("ARGUMENT BAD: %s, %s\n", argName, assertion);
 110     printCallSite(file, line, function);
 111 }
 112
 113 void WTFReportFatalError(const char* file, int line, const char* function, const char* format, ...)
 114 {
 115     printf_stderr_common("FATAL ERROR: ");
 116     va_list args;
 117     va_start(args, format);
 118     vprintf_stderr_common(format, args);
 119     va_end(args);
 120     printf_stderr_common("\n");
 121     printCallSite(file, line, function);
 122 }
 123
 124 void WTFReportError(const char* file, int line, const char* function, const char* format, ...)
 125 {
 126     printf_stderr_common("ERROR: ");
 127     va_list args;
 128     va_start(args, format);
 129     vprintf_stderr_common(format, args);
 130     va_end(args);
 131     printf_stderr_common("\n");
 132     printCallSite(file, line, function);
 133 }
 134
 135 void WTFLog(WTFLogChannel* channel, const char* format, ...)
 136 {
 137     if (channel->state != WTFLogChannelOn)
 138         return;
 139
 140     va_list args;
 141     va_start(args, format);
 142     vprintf_stderr_common(format, args);
 143     va_end(args);
 144     if (format[strlen(format) - 1] != '\n')
 145         printf_stderr_common("\n");
 146 }
 147
 148 void WTFLogVerbose(const char* file, int line, const char* function, WTFLogChannel* channel, const char* format, ...)
 149 {
 150     if (channel->state != WTFLogChannelOn)
 151         return;
 152
 153     va_list args;
 154     va_start(args, format);
 155     vprintf_stderr_common(format, args);
 156     va_end(args);
 157     if (format[strlen(format) - 1] != '\n')
 158         printf_stderr_common("\n");
 159     printCallSite(file, line, function);
 160 }
 161
 162 } // extern "C"