Squashed 'third_party/allwpilib/' content from commit b0167e633

Change-Id: I5653017a690eec1917e8fff9017195d8af307926
git-subtree-dir: third_party/allwpilib
git-subtree-split: b0167e6337135545e7053acb89dd5726accc7dec
diff --git a/wpilibc/src/main/native/cpp/Utility.cpp b/wpilibc/src/main/native/cpp/Utility.cpp
new file mode 100644
index 0000000..11f6234
--- /dev/null
+++ b/wpilibc/src/main/native/cpp/Utility.cpp
@@ -0,0 +1,118 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2008-2019 FIRST. All Rights Reserved.                        */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#include "frc/Utility.h"
+
+#ifndef _WIN32
+#include <cxxabi.h>
+#include <execinfo.h>
+#endif
+
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+
+#include <hal/DriverStation.h>
+#include <hal/FRCUsageReporting.h>
+#include <wpi/Path.h>
+#include <wpi/SmallString.h>
+#include <wpi/StackTrace.h>
+#include <wpi/raw_ostream.h>
+
+#include "frc/ErrorBase.h"
+
+using namespace frc;
+
+bool wpi_assert_impl(bool conditionValue, const wpi::Twine& conditionText,
+                     const wpi::Twine& message, wpi::StringRef fileName,
+                     int lineNumber, wpi::StringRef funcName) {
+  if (!conditionValue) {
+    wpi::SmallString<128> locBuf;
+    wpi::raw_svector_ostream locStream(locBuf);
+    locStream << funcName << " [" << wpi::sys::path::filename(fileName) << ":"
+              << lineNumber << "]";
+
+    wpi::SmallString<128> errorBuf;
+    wpi::raw_svector_ostream errorStream(errorBuf);
+
+    errorStream << "Assertion \"" << conditionText << "\" ";
+
+    if (message.isTriviallyEmpty() ||
+        (message.isSingleStringRef() && message.getSingleStringRef().empty())) {
+      errorStream << "failed.\n";
+    } else {
+      errorStream << "failed: " << message << "\n";
+    }
+
+    std::string stack = wpi::GetStackTrace(2);
+
+    // Print the error and send it to the DriverStation
+    HAL_SendError(1, 1, 0, errorBuf.c_str(), locBuf.c_str(), stack.c_str(), 1);
+  }
+
+  return conditionValue;
+}
+
+/**
+ * Common error routines for wpi_assertEqual_impl and wpi_assertNotEqual_impl.
+ *
+ * This should not be called directly; it should only be used by
+ * wpi_assertEqual_impl and wpi_assertNotEqual_impl.
+ */
+void wpi_assertEqual_common_impl(const wpi::Twine& valueA,
+                                 const wpi::Twine& valueB,
+                                 const wpi::Twine& equalityType,
+                                 const wpi::Twine& message,
+                                 wpi::StringRef fileName, int lineNumber,
+                                 wpi::StringRef funcName) {
+  wpi::SmallString<128> locBuf;
+  wpi::raw_svector_ostream locStream(locBuf);
+  locStream << funcName << " [" << wpi::sys::path::filename(fileName) << ":"
+            << lineNumber << "]";
+
+  wpi::SmallString<128> errorBuf;
+  wpi::raw_svector_ostream errorStream(errorBuf);
+
+  errorStream << "Assertion \"" << valueA << " " << equalityType << " "
+              << valueB << "\" ";
+
+  if (message.isTriviallyEmpty() ||
+      (message.isSingleStringRef() && message.getSingleStringRef().empty())) {
+    errorStream << "failed.\n";
+  } else {
+    errorStream << "failed: " << message << "\n";
+  }
+
+  std::string trace = wpi::GetStackTrace(3);
+
+  // Print the error and send it to the DriverStation
+  HAL_SendError(1, 1, 0, errorBuf.c_str(), locBuf.c_str(), trace.c_str(), 1);
+}
+
+bool wpi_assertEqual_impl(int valueA, int valueB,
+                          const wpi::Twine& valueAString,
+                          const wpi::Twine& valueBString,
+                          const wpi::Twine& message, wpi::StringRef fileName,
+                          int lineNumber, wpi::StringRef funcName) {
+  if (!(valueA == valueB)) {
+    wpi_assertEqual_common_impl(valueAString, valueBString, "==", message,
+                                fileName, lineNumber, funcName);
+  }
+  return valueA == valueB;
+}
+
+bool wpi_assertNotEqual_impl(int valueA, int valueB,
+                             const wpi::Twine& valueAString,
+                             const wpi::Twine& valueBString,
+                             const wpi::Twine& message, wpi::StringRef fileName,
+                             int lineNumber, wpi::StringRef funcName) {
+  if (!(valueA != valueB)) {
+    wpi_assertEqual_common_impl(valueAString, valueBString, "!=", message,
+                                fileName, lineNumber, funcName);
+  }
+  return valueA != valueB;
+}