src/gromacs/utility/errorcodes.h

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  36 /*! \file
  37  * \brief
  38  * Declares error codes and related functions for fatal error handling.
  39  *
  40  * \author Teemu Murtola <teemu.murtola@gmail.com>
  41  * \ingroup module_utility
  42  */
  43 #ifndef GMX_UTILITY_ERRORCODES_H
  44 #define GMX_UTILITY_ERRORCODES_H
  45
  46 namespace gmx
  47 {
  48
  49 /*! \addtogroup module_utility
  50  * \{
  51  */
  52
  53 /*! \brief
  54  * Possible error return codes from Gromacs functions.
  55  */
  56 enum ErrorCode
  57 {
  58     //! Zero for successful return.
  59     eeOK,
  60
  61     //! Not enough memory to complete operation.
  62     eeOutOfMemory,
  63     //! Provided file could not be opened.
  64     eeFileNotFound,
  65     //! System I/O error.
  66     eeFileIO,
  67     //! Invalid user input (could not be understood).
  68     eeInvalidInput,
  69     //! Invalid user input (conflicting or unsupported settings).
  70     eeInconsistentInput,
  71     //! Requested tolerance cannot be achieved.
  72     eeTolerance,
  73     //! Simulation instability detected.
  74     eeInstability,
  75
  76     /*! \name Error codes for buggy code
  77      *
  78      * Error codes below are for internal error checking; if triggered, they
  79      * should indicate a bug in the code.
  80      * \{
  81      */
  82     //! Requested feature not yet implemented.
  83     eeNotImplemented,
  84     //! Input value violates API specification.
  85     eeInvalidValue,
  86     //! Invalid routine called or wrong calling sequence detected.
  87     eeInvalidCall,
  88     //! Internal consistency check failed.
  89     eeInternalError,
  90     //! API specification was violated.
  91     eeAPIError,
  92     //! Range consistency check failed.
  93     eeRange,
  94
  95     //! Parallel consistency check failed.
  96     eeParallelConsistency,
  97
  98     //! Error specific for modular simulator.
  99     eeModularSimulator,
 100     //!\}
 101
 102     //! Unknown error detected.
 103     eeUnknownError,
 104 };
 105
 106 /*! \brief
 107  * Returns a short string description of an error code.
 108  *
 109  * \param[in] errorcode Error code to retrieve the string for.
 110  * \returns   A constant string corresponding to \p errorcode.
 111  *
 112  * If \p errorcode is not one of those defined for ::gmx::ErrorCode,
 113  * the string corresponding to ::eeUnknownError is returned.
 114  *
 115  * This function does not throw.
 116  */
 117 const char* getErrorCodeString(int errorcode);
 118
 119 /*!\}*/
 120
 121 } // namespace gmx
 122
 123 #endif