include/library/mathexpr-error.hpp

   1 #ifndef _library__mathexpr_error__hpp__included__
   2 #define _library__mathexpr_error__hpp__included__
   3
   4 #include <string>
   5 #include <stdexcept>
   6
   7 namespace mathexpr
   8 {
   9 class error : public std::runtime_error
  10 {
  11 public:
  12         enum errorcode
  13         {
  14                 UNDEFINED,              //Evaluation encountered undefined value.
  15                 CIRCULAR,               //Evaluation encountered circular reference.
  16                 TYPE_MISMATCH,          //Evaluation encountered mismatching types.
  17                 INTERNAL,               //Evaluation encountered internal error.
  18                 WDOMAIN,                //Evaluation encountered domain error.
  19                 DIV_BY_0,               //Evaluation encountered division by zero.
  20                 LOG_BY_0,               //Evaluation encountered logarithm of zero.
  21                 ARGCOUNT,               //Evaluation encountered wrong argument count.
  22                 SIZE,                   //Bad size for memory watch.
  23                 ADDR,                   //Bad address for memory watch.
  24                 FORMAT,                 //Bad format string.
  25                 UNKNOWN,                //Unknown error.
  26         };
  27         error(errorcode code, const std::string& message);
  28         errorcode get_code();
  29         const char* get_short_error();
  30 private:
  31         errorcode code;
  32 };
  33 }
  34
  35 #endif