Move webrtc/{base => rtc_base}

webrtc/base/checks.cc

-/*
- *  Copyright 2006 The WebRTC Project Authors. All rights reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-// Most of this was borrowed (with minor modifications) from V8's and Chromium's
-// src/base/logging.cc.
-
-// Use the C++ version to provide __GLIBCXX__.
-#include <cstdarg>
-#include <cstdio>
-#include <cstdlib>
-
-#if defined(__GLIBCXX__) && !defined(__UCLIBC__)
-#include <cxxabi.h>
-#include <execinfo.h>
-#endif
-
-#if defined(WEBRTC_ANDROID)
-#define RTC_LOG_TAG "rtc"
-#include <android/log.h>  // NOLINT
-#endif
-
-#if defined(WEBRTC_WIN)
-#include <windows.h>
-#endif
-
-#include "webrtc/base/checks.h"
-#include "webrtc/base/logging.h"
-
-#if defined(_MSC_VER)
-// Warning C4722: destructor never returns, potential memory leak.
-// FatalMessage's dtor very intentionally aborts.
-#pragma warning(disable:4722)
-#endif
-
-namespace rtc {
-
-void VPrintError(const char* format, va_list args) {
-#if defined(WEBRTC_ANDROID)
-  __android_log_vprint(ANDROID_LOG_ERROR, RTC_LOG_TAG, format, args);
-#else
-  vfprintf(stderr, format, args);
-#endif
-}
-
-void PrintError(const char* format, ...) {
-  va_list args;
-  va_start(args, format);
-  VPrintError(format, args);
-  va_end(args);
-}
-
-// TODO(ajm): This works on Mac (although the parsing fails) but I don't seem
-// to get usable symbols on Linux. This is copied from V8. Chromium has a more
-// advanced stace trace system; also more difficult to copy.
-void DumpBacktrace() {
-#if defined(__GLIBCXX__) && !defined(__UCLIBC__)
-  void* trace[100];
-  int size = backtrace(trace, sizeof(trace) / sizeof(*trace));
-  char** symbols = backtrace_symbols(trace, size);
-  PrintError("\n==== C stack trace ===============================\n\n");
-  if (size == 0) {
-    PrintError("(empty)\n");
-  } else if (symbols == nullptr) {
-    PrintError("(no symbols)\n");
-  } else {
-    for (int i = 1; i < size; ++i) {
-      char mangled[201];
-      if (sscanf(symbols[i], "%*[^(]%*[(]%200[^)+]", mangled) == 1) {  // NOLINT
-        PrintError("%2d: ", i);
-        int status;
-        size_t length;
-        char* demangled =
-            abi::__cxa_demangle(mangled, nullptr, &length, &status);
-        PrintError("%s\n", demangled != nullptr ? demangled : mangled);
-        free(demangled);
-      } else {
-        // If parsing failed, at least print the unparsed symbol.
-        PrintError("%s\n", symbols[i]);
-      }
-    }
-  }
-  free(symbols);
-#endif
-}
-
-FatalMessage::FatalMessage(const char* file, int line) {
-  Init(file, line);
-}
-
-FatalMessage::FatalMessage(const char* file, int line, std::string* result) {
-  Init(file, line);
-  stream_ << "Check failed: " << *result << std::endl << "# ";
-  delete result;
-}
-
-NO_RETURN FatalMessage::~FatalMessage() {
-  fflush(stdout);
-  fflush(stderr);
-  stream_ << std::endl << "#" << std::endl;
-  PrintError(stream_.str().c_str());
-  DumpBacktrace();
-  fflush(stderr);
-  abort();
-}
-
-void FatalMessage::Init(const char* file, int line) {
-  stream_ << std::endl << std::endl
-          << "#" << std::endl
-          << "# Fatal error in " << file << ", line " << line << std::endl
-          << "# last system error: " << LAST_SYSTEM_ERROR << std::endl
-          << "# ";
-}
-
-// MSVC doesn't like complex extern templates and DLLs.
-#if !defined(COMPILER_MSVC)
-// Explicit instantiations for commonly used comparisons.
-template std::string* MakeCheckOpString<int, int>(
-    const int&, const int&, const char* names);
-template std::string* MakeCheckOpString<unsigned long, unsigned long>(
-    const unsigned long&, const unsigned long&, const char* names);
-template std::string* MakeCheckOpString<unsigned long, unsigned int>(
-    const unsigned long&, const unsigned int&, const char* names);
-template std::string* MakeCheckOpString<unsigned int, unsigned long>(
-    const unsigned int&, const unsigned long&, const char* names);
-template std::string* MakeCheckOpString<std::string, std::string>(
-    const std::string&, const std::string&, const char* name);
-#endif
-
-}  // namespace rtc
-
-// Function to call from the C version of the RTC_CHECK and RTC_DCHECK macros.
-NO_RETURN void rtc_FatalMessage(const char* file, int line, const char* msg) {
-  rtc::FatalMessage(file, line).stream() << msg;
-}