mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-16 17:22:55 +00:00
95 lines
2.9 KiB
C++
95 lines
2.9 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#ifndef vtk_m_cont_Error_h
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#define vtk_m_cont_Error_h
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// Note that this class and (most likely) all of its subclasses are not
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// templated. If there is any reason to create a VTKm control library,
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// this class and its subclasses should probably go there.
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#include <exception>
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#include <string>
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#include <vtkm/cont/Logging.h>
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#include <vtkm/internal/ExportMacros.h>
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namespace vtkm
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{
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namespace cont
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{
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VTKM_SILENCE_WEAK_VTABLE_WARNING_START
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/// The superclass of all exceptions thrown by any VTKm function or method.
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///
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class VTKM_ALWAYS_EXPORT Error : public std::exception
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{
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public:
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//See note about GetMessage macro below.
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#ifndef GetMessage
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/// @brief Returns a message describing what caused the error.
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const std::string& GetMessage() const { return this->Message; }
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#endif
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/// @brief Provides a stack trace to the location where this error was thrown.
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const std::string& GetStackTrace() const { return this->StackTrace; }
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//GetMessage is a macro defined by <windows.h> to redirrect to
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//GetMessageA or W depending on if you are using ansi or unicode.
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//To get around this we make our own A/W variants on windows.
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#ifdef _WIN32
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const std::string& GetMessageA() const { return this->Message; }
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const std::string& GetMessageW() const { return this->Message; }
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#endif
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/// @brief Returns the message for the error and the stack trace for it.
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///
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/// This method is provided for `std::exception` compatibility.
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const char* what() const noexcept override { return this->What.c_str(); }
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/// Returns true if this exception is device independent. For exceptions that
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/// are not device independent, `vtkm::TryExecute`, for example, may try
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/// executing the code on other available devices.
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bool GetIsDeviceIndependent() const { return this->IsDeviceIndependent; }
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protected:
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Error()
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: StackTrace(vtkm::cont::GetStackTrace(1))
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, What("Undescribed error\n" + StackTrace)
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, IsDeviceIndependent(false)
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{
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}
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Error(const std::string& message, bool is_device_independent = false)
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: Message(message)
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, StackTrace(vtkm::cont::GetStackTrace(1))
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, What(Message + "\n" + StackTrace)
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, IsDeviceIndependent(is_device_independent)
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{
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}
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void SetMessage(const std::string& message)
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{
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this->Message = message;
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this->What = this->Message + "\n" + this->StackTrace;
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}
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private:
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std::string Message;
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std::string StackTrace;
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std::string What;
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bool IsDeviceIndependent;
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};
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VTKM_SILENCE_WEAK_VTABLE_WARNING_END
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}
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} // namespace vtkm::cont
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#endif //vtk_m_cont_Error_h
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