#pragma GCC diagnostic ignored "-Wmissing-format-attribute"
#include "config.h"
#include "Assertions.h"
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#if PLATFORM(MAC)
#include <CoreFoundation/CFString.h>
#endif
#if COMPILER(MSVC) && !OS(WINCE)
#include <crtdbg.h>
#endif
#if OS(WINDOWS)
#include <windows.h>
#endif
#if OS(DARWIN) || OS(LINUX)
#include <cxxabi.h>
#include <dlfcn.h>
#include <execinfo.h>
#endif
#if PLATFORM(BLACKBERRY)
#include <BlackBerryPlatformMisc.h>
#endif
extern "C" {
WTF_ATTRIBUTE_PRINTF(1, 0)
static void vprintf_stderr_common(const char* format, va_list args)
{
#if PLATFORM(MAC)
if (strstr(format, "%@")) {
CFStringRef cfFormat = CFStringCreateWithCString(NULL, format, kCFStringEncodingUTF8);
CFStringRef str = CFStringCreateWithFormatAndArguments(NULL, NULL, cfFormat, args);
int length = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str), kCFStringEncodingUTF8);
char* buffer = (char*)malloc(length + 1);
CFStringGetCString(str, buffer, length, kCFStringEncodingUTF8);
fputs(buffer, stderr);
free(buffer);
CFRelease(str);
CFRelease(cfFormat);
return;
}
#elif PLATFORM(BLACKBERRY)
BlackBerry::Platform::logV(BlackBerry::Platform::LogLevelInfo, format, args);
#elif HAVE(ISDEBUGGERPRESENT)
if (IsDebuggerPresent()) {
size_t size = 1024;
do {
char* buffer = (char*)malloc(size);
if (buffer == NULL)
break;
if (_vsnprintf(buffer, size, format, args) != -1) {
#if OS(WINCE)
wchar_t* wideBuffer = (wchar_t*)malloc(size * sizeof(wchar_t));
if (wideBuffer == NULL)
break;
for (unsigned int i = 0; i < size; ++i) {
if (!(wideBuffer[i] = buffer[i]))
break;
}
OutputDebugStringW(wideBuffer);
free(wideBuffer);
#else
OutputDebugStringA(buffer);
#endif
free(buffer);
break;
}
free(buffer);
size *= 2;
} while (size > 1024);
}
#endif
vfprintf(stderr, format, args);
}
WTF_ATTRIBUTE_PRINTF(1, 2)
static void printf_stderr_common(const char* format, ...)
{
va_list args;
va_start(args, format);
vprintf_stderr_common(format, args);
va_end(args);
}
static void printCallSite(const char* file, int line, const char* function)
{
#if OS(WINDOWS) && !OS(WINCE) && defined(_DEBUG)
_CrtDbgReport(_CRT_WARN, file, line, NULL, "%s\n", function);
#else
printf_stderr_common("%s(%d) : %s\n", file, line, function);
#endif
}
void WTFReportAssertionFailure(const char* file, int line, const char* function, const char* assertion)
{
if (assertion)
printf_stderr_common("ASSERTION FAILED: %s\n", assertion);
else
printf_stderr_common("SHOULD NEVER BE REACHED\n");
printCallSite(file, line, function);
}
void WTFReportAssertionFailureWithMessage(const char* file, int line, const char* function, const char* assertion, const char* format, ...)
{
printf_stderr_common("ASSERTION FAILED: ");
va_list args;
va_start(args, format);
vprintf_stderr_common(format, args);
va_end(args);
printf_stderr_common("\n%s\n", assertion);
printCallSite(file, line, function);
}
void WTFReportArgumentAssertionFailure(const char* file, int line, const char* function, const char* argName, const char* assertion)
{
printf_stderr_common("ARGUMENT BAD: %s, %s\n", argName, assertion);
printCallSite(file, line, function);
}
void WTFGetBacktrace(void** stack, int* size)
{
#if OS(DARWIN) || OS(LINUX)
*size = backtrace(stack, *size);
#elif OS(WINDOWS) && !OS(WINCE)
typedef WORD (NTAPI* RtlCaptureStackBackTraceFunc)(DWORD, DWORD, PVOID*, PDWORD);
HMODULE kernel32 = ::GetModuleHandleW(L"Kernel32.dll");
if (!kernel32) {
*size = 0;
return;
}
RtlCaptureStackBackTraceFunc captureStackBackTraceFunc = reinterpret_cast<RtlCaptureStackBackTraceFunc>(
::GetProcAddress(kernel32, "RtlCaptureStackBackTrace"));
if (captureStackBackTraceFunc)
*size = captureStackBackTraceFunc(0, *size, stack, 0);
else
*size = 0;
#else
*size = 0;
#endif
}
void WTFReportBacktrace()
{
static const int framesToShow = 31;
static const int framesToSkip = 2;
void* samples[framesToShow + framesToSkip];
int frames = framesToShow + framesToSkip;
WTFGetBacktrace(samples, &frames);
for (int i = framesToSkip; i < frames; ++i) {
const char* mangledName = 0;
char* cxaDemangled = 0;
#if !PLATFORM(GTK) && !PLATFORM(QT) && (OS(DARWIN) || OS(LINUX))
Dl_info info;
if (dladdr(samples[i], &info) && info.dli_sname)
mangledName = info.dli_sname;
if (mangledName)
cxaDemangled = abi::__cxa_demangle(mangledName, 0, 0, 0);
#endif
const int frameNumber = i - framesToSkip + 1;
if (mangledName || cxaDemangled)
fprintf(stderr, "%-3d %p %s\n", frameNumber, samples[i], cxaDemangled ? cxaDemangled : mangledName);
else
fprintf(stderr, "%-3d %p\n", frameNumber, samples[i]);
free(cxaDemangled);
}
}
void WTFReportFatalError(const char* file, int line, const char* function, const char* format, ...)
{
printf_stderr_common("FATAL ERROR: ");
va_list args;
va_start(args, format);
vprintf_stderr_common(format, args);
va_end(args);
printf_stderr_common("\n");
printCallSite(file, line, function);
}
void WTFReportError(const char* file, int line, const char* function, const char* format, ...)
{
printf_stderr_common("ERROR: ");
va_list args;
va_start(args, format);
vprintf_stderr_common(format, args);
va_end(args);
printf_stderr_common("\n");
printCallSite(file, line, function);
}
void WTFLog(WTFLogChannel* channel, const char* format, ...)
{
if (channel->state != WTFLogChannelOn)
return;
va_list args;
va_start(args, format);
vprintf_stderr_common(format, args);
va_end(args);
size_t formatLength = strlen(format);
if (formatLength && format[formatLength - 1] != '\n')
printf_stderr_common("\n");
}
void WTFLogVerbose(const char* file, int line, const char* function, WTFLogChannel* channel, const char* format, ...)
{
if (channel->state != WTFLogChannelOn)
return;
va_list args;
va_start(args, format);
vprintf_stderr_common(format, args);
va_end(args);
size_t formatLength = strlen(format);
if (formatLength && format[formatLength - 1] != '\n')
printf_stderr_common("\n");
printCallSite(file, line, function);
}
}