// RANGE.H  - RangeError exception class

#ifndef RANGE_H
#define RANGE_H

const unsigned FileNameSize = 40;
// Make this >= longest filename on target system.

class RangeError {
public:
  RangeError( const char * fname,
              unsigned line,
              unsigned subscr )
  {
    strncpy(fileName, fname, FileNameSize);
    lineNumber = line;
    value = subscr;
  }

  friend ostream & operator <<( ostream & os,
         const RangeError & R )
  {
    os << "\nRangeError exception thrown: " << R.fileName
       << ", line " << R.lineNumber
       << " value = " << R.value
       << endl;
    return os;
  }

private:
  char fileName[FileNameSize+1];
  unsigned lineNumber;
  unsigned value;
};

#endif