Squashed 'third_party/allwpilib_2016/' content from commit 7f61816
Change-Id: If9d9245880859cdf580f5d7f77045135d0521ce7
git-subtree-dir: third_party/allwpilib_2016
git-subtree-split: 7f618166ed253a24629934fcf89c3decb0528a3b
diff --git a/wpilibc/shared/include/ErrorBase.h b/wpilibc/shared/include/ErrorBase.h
new file mode 100644
index 0000000..4730a29
--- /dev/null
+++ b/wpilibc/shared/include/ErrorBase.h
@@ -0,0 +1,106 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2008. 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 $(WIND_BASE)/WPILib. */
+/*----------------------------------------------------------------------------*/
+#pragma once
+
+#include "Base.h"
+#include "Error.h"
+
+#include "HAL/cpp/priority_mutex.h"
+#include "llvm/StringRef.h"
+
+#define wpi_setErrnoErrorWithContext(context) \
+ this->SetErrnoError((context), __FILE__, __FUNCTION__, __LINE__)
+#define wpi_setErrnoError() wpi_setErrnoErrorWithContext("")
+#define wpi_setImaqErrorWithContext(code, context) \
+ do { \
+ if ((code) != 0) \
+ this->SetImaqError((code), (context), __FILE__, __FUNCTION__, __LINE__); \
+ } while (0)
+#define wpi_setErrorWithContext(code, context) \
+ do { \
+ if ((code) != 0) \
+ this->SetError((code), (context), __FILE__, __FUNCTION__, __LINE__); \
+ } while (0)
+#define wpi_setError(code) wpi_setErrorWithContext(code, "")
+#define wpi_setStaticErrorWithContext(object, code, context) \
+ do { \
+ if ((code) != 0) \
+ object->SetError((code), (context), __FILE__, __FUNCTION__, __LINE__); \
+ } while (0)
+#define wpi_setStaticError(object, code) \
+ wpi_setStaticErrorWithContext(object, code, "")
+#define wpi_setGlobalErrorWithContext(code, context) \
+ do { \
+ if ((code) != 0) \
+ ErrorBase::SetGlobalError((code), (context), __FILE__, __FUNCTION__, \
+ __LINE__); \
+ } while (0)
+#define wpi_setGlobalError(code) wpi_setGlobalErrorWithContext(code, "")
+#define wpi_setWPIErrorWithContext(error, context) \
+ this->SetWPIError((wpi_error_s_##error), (wpi_error_value_##error), \
+ (context), __FILE__, __FUNCTION__, __LINE__)
+#define wpi_setWPIError(error) (wpi_setWPIErrorWithContext(error, ""))
+#define wpi_setStaticWPIErrorWithContext(object, error, context) \
+ object->SetWPIError((wpi_error_s_##error), (context), __FILE__, \
+ __FUNCTION__, __LINE__)
+#define wpi_setStaticWPIError(object, error) \
+ wpi_setStaticWPIErrorWithContext(object, error, "")
+#define wpi_setGlobalWPIErrorWithContext(error, context) \
+ ErrorBase::SetGlobalWPIError((wpi_error_s_##error), (context), __FILE__, \
+ __FUNCTION__, __LINE__)
+#define wpi_setGlobalWPIError(error) \
+ wpi_setGlobalWPIErrorWithContext(error, "")
+
+/**
+ * Base class for most objects.
+ * ErrorBase is the base class for most objects since it holds the generated
+ * error
+ * for that object. In addition, there is a single instance of a global error
+ * object
+ */
+class ErrorBase {
+ // TODO: Consider initializing instance variables and cleanup in destructor
+ public:
+ ErrorBase() = default;
+ virtual ~ErrorBase() = default;
+
+ ErrorBase(const ErrorBase&) = delete;
+ ErrorBase& operator=(const ErrorBase&) = delete;
+
+ virtual Error& GetError();
+ virtual const Error& GetError() const;
+ virtual void SetErrnoError(llvm::StringRef contextMessage,
+ llvm::StringRef filename, llvm::StringRef function,
+ uint32_t lineNumber) const;
+ virtual void SetImaqError(int success, llvm::StringRef contextMessage,
+ llvm::StringRef filename, llvm::StringRef function,
+ uint32_t lineNumber) const;
+ virtual void SetError(Error::Code code, llvm::StringRef contextMessage,
+ llvm::StringRef filename, llvm::StringRef function,
+ uint32_t lineNumber) const;
+ virtual void SetWPIError(llvm::StringRef errorMessage, Error::Code code,
+ llvm::StringRef contextMessage,
+ llvm::StringRef filename, llvm::StringRef function,
+ uint32_t lineNumber) const;
+ virtual void CloneError(const ErrorBase& rhs) const;
+ virtual void ClearError() const;
+ virtual bool StatusIsFatal() const;
+ static void SetGlobalError(Error::Code code, llvm::StringRef contextMessage,
+ llvm::StringRef filename, llvm::StringRef function,
+ uint32_t lineNumber);
+ static void SetGlobalWPIError(llvm::StringRef errorMessage,
+ llvm::StringRef contextMessage,
+ llvm::StringRef filename,
+ llvm::StringRef function, uint32_t lineNumber);
+ static Error& GetGlobalError();
+
+ protected:
+ mutable Error m_error;
+ // TODO: Replace globalError with a global list of all errors.
+ static priority_mutex _globalErrorMutex;
+ static Error _globalError;
+};