Source/WTF/wtf/Assertions.cpp - Issue 14238015: Move Source/WTF/wtf to Source/wtf

Unified Diff: Source/WTF/wtf/Assertions.cpp

Issue 14238015: Move Source/WTF/wtf to Source/wtf (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 7 years, 8 months ago

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Index: Source/WTF/wtf/Assertions.cpp

diff --git a/Source/WTF/wtf/Assertions.cpp b/Source/WTF/wtf/Assertions.cpp

deleted file mode 100644

index 8046f6a7c926165490865a86aed75d17bd517c23..0000000000000000000000000000000000000000

--- a/Source/WTF/wtf/Assertions.cpp

+++ /dev/null

@@ -1,415 +0,0 @@

-/*

- *

- * Redistribution and use in source and binary forms, with or without

- * modification, are permitted provided that the following conditions

- * are met:

- * 1. Redistributions of source code must retain the above copyright

- * notice, this list of conditions and the following disclaimer.

- * 2. Redistributions in binary form must reproduce the above copyright

- * notice, this list of conditions and the following disclaimer in the

- * documentation and/or other materials provided with the distribution.

- *

- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR

- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

- */

-// The vprintf_stderr_common function triggers this error in the Mac build.

-// Feel free to remove this pragma if this file builds on Mac.

-// According to http://gcc.gnu.org/onlinedocs/gcc-4.2.1/gcc/Diagnostic-Pragmas.html#Diagnostic-Pragmas

-// we need to place this directive before any data or functions are defined.

-#pragma GCC diagnostic ignored "-Wmissing-format-attribute"

-#include "config.h"

-#include "Assertions.h"

-#include "Compiler.h"

-#include "OwnArrayPtr.h"

-#include <stdio.h>

-#include <stdarg.h>

-#include <string.h>

-#if HAVE(SIGNAL_H)

-#include <signal.h>

-#endif

-#if USE(CF)

-#include <CoreFoundation/CFString.h>

-#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1080

-#define WTF_USE_APPLE_SYSTEM_LOG 1

-#include <asl.h>

-#endif

-#endif // USE(CF)

-#if COMPILER(MSVC) && !OS(WINCE)

-#include <crtdbg.h>

-#endif

-#if OS(WINDOWS)

-#include <windows.h>

-#endif

-#if (OS(DARWIN) || (OS(LINUX) && !defined(__UCLIBC__))) && !OS(ANDROID)

-#include <cxxabi.h>

-#include <dlfcn.h>

-#include <execinfo.h>

-#endif

-#if OS(ANDROID)

-#include "android/log.h"

-#endif

-extern "C" {

-WTF_ATTRIBUTE_PRINTF(1, 0)

-static void vprintf_stderr_common(const char* format, va_list args)

-#if USE(CF) && !OS(WINDOWS)

- if (strstr(format, "%@")) {

- CFStringRef cfFormat = CFStringCreateWithCString(NULL, format, kCFStringEncodingUTF8);

-#if COMPILER(CLANG)

-#pragma clang diagnostic push

-#pragma clang diagnostic ignored "-Wformat-nonliteral"

-#endif

- CFStringRef str = CFStringCreateWithFormatAndArguments(NULL, NULL, cfFormat, args);

-#if COMPILER(CLANG)

-#pragma clang diagnostic pop

-#endif

- CFIndex length = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str), kCFStringEncodingUTF8);

- char* buffer = (char*)malloc(length + 1);

- CFStringGetCString(str, buffer, length, kCFStringEncodingUTF8);

-#if USE(APPLE_SYSTEM_LOG)

- asl_log(0, 0, ASL_LEVEL_NOTICE, "%s", buffer);

-#endif

- fputs(buffer, stderr);

- free(buffer);

- CFRelease(str);

- CFRelease(cfFormat);

- return;

- }

-#if USE(APPLE_SYSTEM_LOG)

- va_list copyOfArgs;

- va_copy(copyOfArgs, args);

- asl_vlog(0, 0, ASL_LEVEL_NOTICE, format, copyOfArgs);

- va_end(copyOfArgs);

-#endif

- // Fall through to write to stderr in the same manner as other platforms.

-#elif OS(ANDROID)

- __android_log_vprint(ANDROID_LOG_WARN, "WebKit", 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)

- // WinCE only supports wide chars

- 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);

-#if COMPILER(CLANG) || (COMPILER(GCC) && GCC_VERSION_AT_LEAST(4, 6, 0))

-#pragma GCC diagnostic push

-#pragma GCC diagnostic ignored "-Wformat-nonliteral"

-#endif

-static void vprintf_stderr_with_prefix(const char* prefix, const char* format, va_list args)

- size_t prefixLength = strlen(prefix);

- size_t formatLength = strlen(format);

- OwnArrayPtr<char> formatWithPrefix = adoptArrayPtr(new char[prefixLength + formatLength + 1]);

- memcpy(formatWithPrefix.get(), prefix, prefixLength);

- memcpy(formatWithPrefix.get() + prefixLength, format, formatLength);

- formatWithPrefix[prefixLength + formatLength] = 0;

- vprintf_stderr_common(formatWithPrefix.get(), args);

-static void vprintf_stderr_with_trailing_newline(const char* format, va_list args)

- size_t formatLength = strlen(format);

- if (formatLength && format[formatLength - 1] == '\n') {

- vprintf_stderr_common(format, args);

- return;

- }

- OwnArrayPtr<char> formatWithNewline = adoptArrayPtr(new char[formatLength + 2]);

- memcpy(formatWithNewline.get(), format, formatLength);

- formatWithNewline[formatLength] = '\n';

- formatWithNewline[formatLength + 1] = 0;

- vprintf_stderr_common(formatWithNewline.get(), args);

-#if COMPILER(CLANG) || (COMPILER(GCC) && GCC_VERSION_AT_LEAST(4, 6, 0))

-#pragma GCC diagnostic pop

-#endif

-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

- // By using this format, which matches the format used by MSVC for compiler errors, developers

- // using Visual Studio can double-click the file/line number in the Output Window to have the

- // editor navigate to that line of code. It seems fine for other developers, too.

- 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, ...)

- va_list args;

- va_start(args, format);

- vprintf_stderr_with_prefix("ASSERTION FAILED: ", 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) && !defined(__UCLIBC__))) && !OS(ANDROID)

- *size = backtrace(stack, *size);

-#elif OS(WINDOWS) && !OS(WINCE)

- // The CaptureStackBackTrace function is available in XP, but it is not defined

- // in the Windows Server 2003 R2 Platform SDK. So, we'll grab the function

- // through GetProcAddress.

- 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);

- WTFPrintBacktrace(samples + framesToSkip, frames - framesToSkip);

-#if OS(DARWIN) || (OS(LINUX) && !OS(ANDROID))

-#define WTF_USE_DLADDR 1

-#endif

-void WTFPrintBacktrace(void** stack, int size)

-#if USE(BACKTRACE_SYMBOLS)

- char** symbols = backtrace_symbols(stack, size);

- if (!symbols)

- return;

-#endif

- for (int i = 0; i < size; ++i) {

- const char* mangledName = 0;

- char* cxaDemangled = 0;

-#if USE(BACKTRACE_SYMBOLS)

- mangledName = symbols[i];

-#elif USE(DLADDR)

- Dl_info info;

- if (dladdr(stack[i], &info) && info.dli_sname)

- mangledName = info.dli_sname;

- if (mangledName)

- cxaDemangled = abi::__cxa_demangle(mangledName, 0, 0, 0);

-#endif

- const int frameNumber = i + 1;

- if (mangledName || cxaDemangled)

- printf_stderr_common("%-3d %p %s\n", frameNumber, stack[i], cxaDemangled ? cxaDemangled : mangledName);

- else

- printf_stderr_common("%-3d %p\n", frameNumber, stack[i]);

- free(cxaDemangled);

- }

-#if USE(BACKTRACE_SYMBOLS)

- free(symbols);

-#endif

-#undef WTF_USE_BACKTRACE_SYMBOLS

-#undef WTF_USE_DLADDR

-static WTFCrashHookFunction globalHook = 0;

-void WTFSetCrashHook(WTFCrashHookFunction function)

- globalHook = function;

-void WTFInvokeCrashHook()

- if (globalHook)

- globalHook();

-#if HAVE(SIGNAL_H)

-static NO_RETURN void dumpBacktraceSignalHandler(int sig)

- WTFReportBacktrace();

- exit(128 + sig);

-static void installSignalHandlersForFatalErrors(void (*handler)(int))

- signal(SIGILL, handler); // 4: illegal instruction (not reset when caught).

- signal(SIGTRAP, handler); // 5: trace trap (not reset when caught).

- signal(SIGFPE, handler); // 8: floating point exception.

- signal(SIGBUS, handler); // 10: bus error.

- signal(SIGSEGV, handler); // 11: segmentation violation.

- signal(SIGSYS, handler); // 12: bad argument to system call.

- signal(SIGPIPE, handler); // 13: write on a pipe with no reader.

- signal(SIGXCPU, handler); // 24: exceeded CPU time limit.

- signal(SIGXFSZ, handler); // 25: exceeded file size limit.

-static void resetSignalHandlersForFatalErrors()

- installSignalHandlersForFatalErrors(SIG_DFL);

-#endif

-void WTFInstallReportBacktraceOnCrashHook()

-#if HAVE(SIGNAL_H)

- // Needed otherwise we are going to dump the stack trace twice

- // in case we hit an assertion.

- WTFSetCrashHook(&resetSignalHandlersForFatalErrors);

- installSignalHandlersForFatalErrors(&dumpBacktraceSignalHandler);

-#endif

-void WTFReportFatalError(const char* file, int line, const char* function, const char* format, ...)

- va_list args;

- va_start(args, format);

- vprintf_stderr_with_prefix("FATAL ERROR: ", 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, ...)

- va_list args;

- va_start(args, format);

- vprintf_stderr_with_prefix("ERROR: ", 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_with_trailing_newline(format, args);

- va_end(args);

-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_with_trailing_newline(format, args);

- va_end(args);

- printCallSite(file, line, function);

-void WTFLogAlways(const char* format, ...)

- va_list args;

- va_start(args, format);

- vprintf_stderr_with_trailing_newline(format, args);

- va_end(args);

-} // extern "C"

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