1  // go-location.h -- GCC specific Location declaration.   -*- C++ -*-
       2  
       3  // Copyright 2011 The Go Authors. All rights reserved.
       4  // Use of this source code is governed by a BSD-style
       5  // license that can be found in the LICENSE file.
       6  
       7  #ifndef GO_LOCATION_H
       8  #define GO_LOCATION_H
       9  
      10  #include "go-system.h"
      11  
      12  // A location in an input source file.
      13  
      14  class Location
      15  {
      16   public:
      17    Location()
      18      : gcc_loc_(UNKNOWN_LOCATION)
      19    { }
      20  
      21    explicit Location(location_t loc)
      22      : gcc_loc_(loc)
      23    { }
      24  
      25    location_t
      26    gcc_location() const
      27    { return this->gcc_loc_; }
      28  
      29   private:
      30    location_t gcc_loc_;
      31  };
      32  
      33  // The Go frontend requires the ability to compare Locations.
      34  
      35  inline bool
      36  operator<(Location loca, Location locb)
      37  {
      38    return loca.gcc_location() < locb.gcc_location();
      39  }
      40  
      41  inline bool
      42  operator==(Location loca, Location locb)
      43  {
      44    return loca.gcc_location() == locb.gcc_location();
      45  }
      46  
      47  #endif // !defined(GO_LOCATION_H)