Move files in wtf/ to platform/wtf/ (Part 7).

third_party/WebKit/Source/wtf/Assertions.cpp

-/*
- * Copyright (C) 2003, 2006, 2007 Apple Inc.  All rights reserved.
- * Copyright (C) 2007-2009 Torch Mobile, Inc.
- * Copyright (C) 2011 University of Szeged. All rights reserved.
- *
- * 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 "wtf/Assertions.h"
-
-#include "wtf/Compiler.h"
-#include "wtf/PtrUtil.h"
-#include "wtf/ThreadSpecific.h"
-#include "wtf/Threading.h"
-#include <memory>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#if OS(MACOSX)
-#include <AvailabilityMacros.h>
-#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1080
-#define WTF_USE_APPLE_SYSTEM_LOG 1
-#include <asl.h>
-#endif
-#endif  // OS(MACOSX)
-
-#if COMPILER(MSVC)
-#include <crtdbg.h>
-#endif
-
-#if OS(WIN)
-#include <windows.h>
-#endif
-
-#if OS(MACOSX) || (OS(LINUX) && !defined(__UCLIBC__))
-#include <cxxabi.h>
-#include <dlfcn.h>
-#include <execinfo.h>
-#endif
-
-#if OS(ANDROID)
-#include <android/log.h>
-#endif
-
-PRINTF_FORMAT(1, 0)
-static void vprintf_stderr_common(const char* format, va_list args) {
-#if OS(MACOSX) && USE(APPLE_SYSTEM_LOG)
-  va_list copyOfArgs;
-  va_copy(copyOfArgs, args);
-  asl_vlog(0, 0, ASL_LEVEL_NOTICE, format, copyOfArgs);
-  va_end(copyOfArgs);
-#elif OS(ANDROID)
-  __android_log_vprint(ANDROID_LOG_WARN, "WebKit", format, args);
-#elif OS(WIN)
-  if (IsDebuggerPresent()) {
-    size_t size = 1024;
-
-    do {
-      char* buffer = (char*)malloc(size);
-      if (!buffer)
-        break;
-
-      if (_vsnprintf(buffer, size, format, args) != -1) {
-        OutputDebugStringA(buffer);
-        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_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;
-  }
-
-  std::unique_ptr<char[]> formatWithNewline =
-      wrapArrayUnique(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
-
-namespace {
-
-class FrameToNameScope {
- public:
-  explicit FrameToNameScope(void*);
-  ~FrameToNameScope();
-  const char* nullableName() { return m_name; }
-
- private:
-  const char* m_name;
-  char* m_cxaDemangled;
-};
-
-FrameToNameScope::FrameToNameScope(void* addr) : m_name(0), m_cxaDemangled(0) {
-#if OS(MACOSX) || (OS(LINUX) && !defined(__UCLIBC__))
-  Dl_info info;
-  if (!dladdr(addr, &info) || !info.dli_sname)
-    return;
-  const char* mangledName = info.dli_sname;
-  if ((m_cxaDemangled = abi::__cxa_demangle(mangledName, 0, 0, 0)))
-    m_name = m_cxaDemangled;
-  else
-    m_name = mangledName;
-#else
-  (void)addr;
-#endif
-}
-
-FrameToNameScope::~FrameToNameScope() {
-  free(m_cxaDemangled);
-}
-
-}  // anonymous namespace
-
-#if !LOG_DISABLED
-namespace WTF {
-
-ScopedLogger::ScopedLogger(bool condition, const char* format, ...)
-    : m_parent(condition ? current() : 0), m_multiline(false) {
-  if (!condition)
-    return;
-
-  va_list args;
-  va_start(args, format);
-  init(format, args);
-  va_end(args);
-}
-
-ScopedLogger::~ScopedLogger() {
-  if (current() == this) {
-    if (m_multiline)
-      indent();
-    else
-      print(" ");
-    print(")\n");
-    current() = m_parent;
-  }
-}
-
-void ScopedLogger::setPrintFuncForTests(PrintFunctionPtr ptr) {
-  m_printFunc = ptr;
-};
-
-void ScopedLogger::init(const char* format, va_list args) {
-  current() = this;
-  if (m_parent)
-    m_parent->writeNewlineIfNeeded();
-  indent();
-  print("( ");
-  m_printFunc(format, args);
-}
-
-void ScopedLogger::writeNewlineIfNeeded() {
-  if (!m_multiline) {
-    print("\n");
-    m_multiline = true;
-  }
-}
-
-void ScopedLogger::indent() {
-  if (m_parent) {
-    m_parent->indent();
-    printIndent();
-  }
-}
-
-void ScopedLogger::log(const char* format, ...) {
-  if (current() != this)
-    return;
-
-  va_list args;
-  va_start(args, format);
-
-  writeNewlineIfNeeded();
-  indent();
-  printIndent();
-  m_printFunc(format, args);
-  print("\n");
-
-  va_end(args);
-}
-
-void ScopedLogger::print(const char* format, ...) {
-  va_list args;
-  va_start(args, format);
-  m_printFunc(format, args);
-  va_end(args);
-}
-
-void ScopedLogger::printIndent() {
-  print("  ");
-}
-
-ScopedLogger*& ScopedLogger::current() {
-  DEFINE_THREAD_SAFE_STATIC_LOCAL(ThreadSpecific<ScopedLogger*>, ref,
-                                  new ThreadSpecific<ScopedLogger*>);
-  return *ref;
-}
-
-ScopedLogger::PrintFunctionPtr ScopedLogger::m_printFunc =
-    vprintf_stderr_common;
-
-}  // namespace WTF
-#endif  // !LOG_DISABLED
-
-void WTFLogAlways(const char* format, ...) {
-  va_list args;
-  va_start(args, format);
-  vprintf_stderr_with_trailing_newline(format, args);
-  va_end(args);
-}