lib/input.cc

   1 /*
   2   input.cc -- implement Input
   3
   4   source file of the LilyPond music typesetter
   5
   6   (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
   7 */
   8 #include "proto.hh"
   9 #include "input.hh"
  10 #include "string.hh"
  11 #include "source.hh"
  12 #include "source-file.hh"
  13
  14 Input::Input(Source_file*s, char const *cl)
  15 {
  16     source_file_l_=s;
  17     defined_ch_C_=cl;
  18 }
  19
  20 Input::Input()
  21 {
  22     source_file_l_ = 0;
  23     defined_ch_C_ = 0;
  24 }
  25
  26 Input::Input(Input const &s)
  27 {
  28     source_file_l_ = s.source_file_l_;
  29     defined_ch_C_ = s.defined_ch_C_;
  30 }
  31
  32 void
  33 Input::set_spot(Input const &i)
  34 {
  35     *this  = i;
  36 }
  37
  38 void
  39 Input::message(String message_str) const
  40 {
  41     String str = "";
  42
  43     if (source_file_l_)
  44       {
  45         str += location_str() + String(": ");
  46       }
  47
  48     str += message_str;
  49     if (source_file_l_)
  50       {
  51         str += ":\n";
  52         str += source_file_l_->error_str(defined_ch_C_);
  53       }
  54     cerr << str << endl;
  55 }
  56
  57 void
  58 Input::warning(String message_str) const
  59 {
  60     message("warning: " + message_str);
  61 }
  62 void
  63 Input::error(String s) const
  64 {
  65     message("error: "+ s);
  66 }
  67
  68 String
  69 Input::location_str() const
  70 {
  71     if (source_file_l_)
  72         return source_file_l_->file_line_no_str(defined_ch_C_);
  73     else
  74         return "(location unknown)";
  75 }