lily/include/input.hh

   1 /*
   2   input.hh -- declare Input
   3
   4   source file of the LilyPond music typesetter
   5
   6   (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #ifndef INPUT_HH
  10 #define INPUT_HH
  11
  12 #include "flower-proto.hh"
  13
  14 /**
  15    Base class for anything that records its poisition in the parse file.
  16 */
  17 class Input
  18 {
  19   char const *start_;
  20   char const *end_;
  21   Source_file *source_file_;
  22
  23 public:
  24   Source_file *get_source_file () const;
  25   char const *start () const;
  26   char const *end () const;
  27
  28   void set (Source_file *, char const *, char const *);
  29   void warning (String) const; // should use member func?
  30   void non_fatal_error (String) const;
  31   void error (String) const;
  32   void message (String) const;
  33   void set_spot (Input const &);
  34   void step_forward ();
  35   void set_location (Input const &, Input const &);
  36   Input spot () const;
  37   String location_string () const;
  38   String line_number_string () const;
  39   String file_string ()const;
  40
  41   int line_number ()const;
  42   int column_number ()const;
  43   int end_line_number ()const;
  44   int end_column_number ()const;
  45
  46   void get_counts (int*line, int *char_count, int *col) const;
  47
  48   Input (Input const &i);
  49   Input ();
  50 };
  51
  52 #endif // INPUT_HH