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https://github.com/wpilibsuite/allwpilib
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Update to 2018_v4 image and new build system. (#598)
* Revert "Force OpenCV to 3.1.0 (#602)"
This reverts commit 50ed55e8e2.
* Removes Simulation
* Removes old build system
* Removes old gtest
* Adds new gmock and gtest
* Updates to new ni-libraries
* removes MyRobot (to be replaced)
* moves files to new location
* Adds new sim backend and new test executables
* updates .styleguide and .gitignore
* Changes cpp WPILibVersion to a function
MSVC throws an AV with the old version.
* Disables USBCamera on all systems except for linux
* 2018 NI Libraries
* New build system
This commit is contained in:
Thad House
committed by
Peter Johnson
Peter Johnson
parent
50ed55e8e2
commit
e1195e8b9d
234
wpilibc/src/main/native/cpp/ErrorBase.cpp
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234
wpilibc/src/main/native/cpp/ErrorBase.cpp
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/*----------------------------------------------------------------------------*/
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/* Copyright (c) FIRST 2008-2017. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#include "ErrorBase.h"
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#include <cerrno>
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#include <cstdio>
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#include <cstring>
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#include <iomanip>
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#include <sstream>
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#define WPI_ERRORS_DEFINE_STRINGS
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#include "WPIErrors.h"
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#include "llvm/SmallString.h"
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#include "llvm/raw_ostream.h"
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using namespace frc;
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hal::priority_mutex ErrorBase::_globalErrorMutex;
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Error ErrorBase::_globalError;
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/**
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* @brief Retrieve the current error.
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* Get the current error information associated with this sensor.
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*/
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Error& ErrorBase::GetError() { return m_error; }
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const Error& ErrorBase::GetError() const { return m_error; }
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/**
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* @brief Clear the current error information associated with this sensor.
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*/
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void ErrorBase::ClearError() const { m_error.Clear(); }
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/**
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* @brief Set error information associated with a C library call that set an
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* error to the "errno" global variable.
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*
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* @param contextMessage A custom message from the code that set the error.
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* @param filename Filename of the error source
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* @param function Function of the error source
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* @param lineNumber Line number of the error source
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*/
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void ErrorBase::SetErrnoError(llvm::StringRef contextMessage,
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llvm::StringRef filename,
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llvm::StringRef function, int lineNumber) const {
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std::string err;
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int errNo = errno;
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if (errNo == 0) {
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err = "OK: ";
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err += contextMessage;
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} else {
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std::ostringstream oss;
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oss << std::strerror(errNo) << " (0x" << std::setfill('0') << std::hex
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<< std::uppercase << std::setw(8) << errNo << "): " << contextMessage;
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err = oss.str();
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}
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// Set the current error information for this object.
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m_error.Set(-1, err, filename, function, lineNumber, this);
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// Update the global error if there is not one already set.
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std::lock_guard<hal::priority_mutex> mutex(_globalErrorMutex);
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if (_globalError.GetCode() == 0) {
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_globalError.Clone(m_error);
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}
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}
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/**
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* @brief Set the current error information associated from the nivision Imaq
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* API.
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*
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* @param success The return from the function
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* @param contextMessage A custom message from the code that set the error.
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* @param filename Filename of the error source
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* @param function Function of the error source
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* @param lineNumber Line number of the error source
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*/
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void ErrorBase::SetImaqError(int success, llvm::StringRef contextMessage,
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llvm::StringRef filename, llvm::StringRef function,
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int lineNumber) const {
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// If there was an error
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if (success <= 0) {
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llvm::SmallString<128> buf;
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llvm::raw_svector_ostream err(buf);
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err << success << ": " << contextMessage;
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// Set the current error information for this object.
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m_error.Set(success, err.str(), filename, function, lineNumber, this);
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// Update the global error if there is not one already set.
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std::lock_guard<hal::priority_mutex> mutex(_globalErrorMutex);
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if (_globalError.GetCode() == 0) {
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_globalError.Clone(m_error);
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}
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}
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}
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/**
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* @brief Set the current error information associated with this sensor.
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*
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* @param code The error code
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* @param contextMessage A custom message from the code that set the error.
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* @param filename Filename of the error source
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* @param function Function of the error source
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* @param lineNumber Line number of the error source
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*/
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void ErrorBase::SetError(Error::Code code, llvm::StringRef contextMessage,
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llvm::StringRef filename, llvm::StringRef function,
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int lineNumber) const {
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// If there was an error
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if (code != 0) {
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// Set the current error information for this object.
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m_error.Set(code, contextMessage, filename, function, lineNumber, this);
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// Update the global error if there is not one already set.
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std::lock_guard<hal::priority_mutex> mutex(_globalErrorMutex);
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if (_globalError.GetCode() == 0) {
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_globalError.Clone(m_error);
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}
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}
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}
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/**
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* @brief Set the current error information associated with this sensor.
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* Range versions use for initialization code.
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*
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* @param code The error code
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* @param minRange The minimum allowed allocation range
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* @param maxRange The maximum allowed allocation range
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* @param requestedValue The requested value to allocate
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* @param contextMessage A custom message from the code that set the error.
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* @param filename Filename of the error source
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* @param function Function of the error source
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* @param lineNumber Line number of the error source
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*/
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void ErrorBase::SetErrorRange(Error::Code code, int32_t minRange,
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int32_t maxRange, int32_t requestedValue,
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llvm::StringRef contextMessage,
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llvm::StringRef filename,
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llvm::StringRef function, int lineNumber) const {
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// If there was an error
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if (code != 0) {
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size_t size = contextMessage.size() + 100;
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char* buf = new char[size];
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std::snprintf(
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buf, size,
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"%s, Minimum Value: %d, Maximum Value: %d, Requested Value: %d",
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contextMessage.data(), minRange, maxRange, requestedValue);
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// Set the current error information for this object.
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m_error.Set(code, buf, filename, function, lineNumber, this);
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delete[] buf;
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// Update the global error if there is not one already set.
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std::lock_guard<hal::priority_mutex> mutex(_globalErrorMutex);
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if (_globalError.GetCode() == 0) {
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_globalError.Clone(m_error);
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}
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}
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}
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/**
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* @brief Set the current error information associated with this sensor.
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*
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* @param errorMessage The error message from WPIErrors.h
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* @param contextMessage A custom message from the code that set the error.
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* @param filename Filename of the error source
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* @param function Function of the error source
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* @param lineNumber Line number of the error source
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*/
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void ErrorBase::SetWPIError(llvm::StringRef errorMessage, Error::Code code,
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llvm::StringRef contextMessage,
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llvm::StringRef filename, llvm::StringRef function,
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int lineNumber) const {
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std::string err = errorMessage.str() + ": " + contextMessage.str();
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// Set the current error information for this object.
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m_error.Set(code, err, filename, function, lineNumber, this);
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// Update the global error if there is not one already set.
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std::lock_guard<hal::priority_mutex> mutex(_globalErrorMutex);
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if (_globalError.GetCode() == 0) {
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_globalError.Clone(m_error);
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}
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}
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void ErrorBase::CloneError(const ErrorBase& rhs) const {
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m_error.Clone(rhs.GetError());
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}
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/**
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* @brief Check if the current error code represents a fatal error.
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*
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* @return true if the current error is fatal.
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*/
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bool ErrorBase::StatusIsFatal() const { return m_error.GetCode() < 0; }
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void ErrorBase::SetGlobalError(Error::Code code, llvm::StringRef contextMessage,
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llvm::StringRef filename,
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llvm::StringRef function, int lineNumber) {
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// If there was an error
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if (code != 0) {
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std::lock_guard<hal::priority_mutex> mutex(_globalErrorMutex);
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// Set the current error information for this object.
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_globalError.Set(code, contextMessage, filename, function, lineNumber,
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nullptr);
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}
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}
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void ErrorBase::SetGlobalWPIError(llvm::StringRef errorMessage,
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llvm::StringRef contextMessage,
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llvm::StringRef filename,
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llvm::StringRef function, int lineNumber) {
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std::string err = errorMessage.str() + ": " + contextMessage.str();
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std::lock_guard<hal::priority_mutex> mutex(_globalErrorMutex);
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if (_globalError.GetCode() != 0) {
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_globalError.Clear();
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}
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_globalError.Set(-1, err, filename, function, lineNumber, nullptr);
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}
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/**
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* Retrieve the current global error.
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*/
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Error& ErrorBase::GetGlobalError() {
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std::lock_guard<hal::priority_mutex> mutex(_globalErrorMutex);
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return _globalError;
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}
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