wtf/Assertions.cpp

   1 /*
   2  * Copyright (C) 2003, 2006, 2007 Apple Inc.  All rights reserved.
   3  * Copyright (C) 2007-2009 Torch Mobile, Inc.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #include "config.h"
  28 #include "Assertions.h"
  29
  30 #include <stdio.h>
  31 #include <stdarg.h>
  32 #include <string.h>
  33
  34 #include <CoreFoundation/CFString.h>
  35
  36 #if COMPILER(MSVC) && !OS(WINCE)
  37 #ifndef WINVER
  38 #define WINVER 0x0500
  39 #endif
  40 #ifndef _WIN32_WINNT
  41 #define _WIN32_WINNT 0x0500
  42 #endif
  43 #include <windows.h>
  44 #include <crtdbg.h>
  45 #endif
  46
  47 #if OS(WINCE)
  48 #include <winbase.h>
  49 #endif
  50
  51 extern "C" {
  52
  53 WTF_ATTRIBUTE_PRINTF(1, 0)
  54 static void vprintf_stderr_common(const char* format, va_list args)
  55 {
  56     if (strstr(format, "%@")) {
  57         CFStringRef cfFormat = CFStringCreateWithCString(NULL, format, kCFStringEncodingUTF8);
  58         CFStringRef str = CFStringCreateWithFormatAndArguments(NULL, NULL, cfFormat, args);
  59
  60         int length = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str), kCFStringEncodingUTF8);
  61         char* buffer = (char*)malloc(length + 1);
  62
  63         CFStringGetCString(str, buffer, length, kCFStringEncodingUTF8);
  64
  65         fputs(buffer, stderr);
  66
  67         free(buffer);
  68         CFRelease(str);
  69         CFRelease(cfFormat);
  70     } else
  71 #if OS(SYMBIAN)
  72     vfprintf(stdout, format, args);
  73 #else
  74     vfprintf(stderr, format, args);
  75 #endif
  76 }
  77
  78 WTF_ATTRIBUTE_PRINTF(1, 2)
  79 static void printf_stderr_common(const char* format, ...)
  80 {
  81     va_list args;
  82     va_start(args, format);
  83     vprintf_stderr_common(format, args);
  84     va_end(args);
  85 }
  86
  87 static void printCallSite(const char* file, int line, const char* function)
  88 {
  89 #if OS(WIN) && !OS(WINCE) && defined _DEBUG
  90     _CrtDbgReport(_CRT_WARN, file, line, NULL, "%s\n", function);
  91 #else
  92     printf_stderr_common("(%s:%d %s)\n", file, line, function);
  93 #endif
  94 }
  95
  96 void WTFReportAssertionFailure(const char* file, int line, const char* function, const char* assertion)
  97 {
  98     if (assertion)
  99         printf_stderr_common("ASSERTION FAILED: %s\n", assertion);
 100     else
 101         printf_stderr_common("SHOULD NEVER BE REACHED\n");
 102     printCallSite(file, line, function);
 103 }
 104
 105 void WTFReportAssertionFailureWithMessage(const char* file, int line, const char* function, const char* assertion, const char* format, ...)
 106 {
 107     printf_stderr_common("ASSERTION FAILED: ");
 108     va_list args;
 109     va_start(args, format);
 110     vprintf_stderr_common(format, args);
 111     va_end(args);
 112     printf_stderr_common("\n%s\n", assertion);
 113     printCallSite(file, line, function);
 114 }
 115
 116 void WTFReportArgumentAssertionFailure(const char* file, int line, const char* function, const char* argName, const char* assertion)
 117 {
 118     printf_stderr_common("ARGUMENT BAD: %s, %s\n", argName, assertion);
 119     printCallSite(file, line, function);
 120 }
 121
 122 void WTFReportFatalError(const char* file, int line, const char* function, const char* format, ...)
 123 {
 124     printf_stderr_common("FATAL ERROR: ");
 125     va_list args;
 126     va_start(args, format);
 127     vprintf_stderr_common(format, args);
 128     va_end(args);
 129     printf_stderr_common("\n");
 130     printCallSite(file, line, function);
 131 }
 132
 133 void WTFReportError(const char* file, int line, const char* function, const char* format, ...)
 134 {
 135     printf_stderr_common("ERROR: ");
 136     va_list args;
 137     va_start(args, format);
 138     vprintf_stderr_common(format, args);
 139     va_end(args);
 140     printf_stderr_common("\n");
 141     printCallSite(file, line, function);
 142 }
 143
 144 void WTFLog(WTFLogChannel* channel, const char* format, ...)
 145 {
 146     if (channel->state != WTFLogChannelOn)
 147         return;
 148
 149     va_list args;
 150     va_start(args, format);
 151     vprintf_stderr_common(format, args);
 152     va_end(args);
 153     if (format[strlen(format) - 1] != '\n')
 154         printf_stderr_common("\n");
 155 }
 156
 157 void WTFLogVerbose(const char* file, int line, const char* function, WTFLogChannel* channel, const char* format, ...)
 158 {
 159     if (channel->state != WTFLogChannelOn)
 160         return;
 161
 162     va_list args;
 163     va_start(args, format);
 164     vprintf_stderr_common(format, args);
 165     va_end(args);
 166     if (format[strlen(format) - 1] != '\n')
 167         printf_stderr_common("\n");
 168     printCallSite(file, line, function);
 169 }
 170
 171 } // extern "C"