lily/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(Sources*s, char const *cl)
  15 {
  16     sources_l_=s;
  17     defined_ch_C_=cl;
  18 }
  19
  20 Input::Input()
  21 {
  22     sources_l_ = 0;
  23     defined_ch_C_ = 0;
  24 }
  25
  26 Input::Input(Input const &s)
  27 {
  28     sources_l_ = s.sources_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     Source_file* sourcefile_l=0;
  43
  44     if (sources_l_)
  45         sourcefile_l = sources_l_->sourcefile_l( defined_ch_C_ );
  46
  47     if ( sourcefile_l ) {
  48         str += sourcefile_l->file_line_no_str(defined_ch_C_) + String(": ");
  49     }
  50
  51     str += message_str;
  52     if ( sourcefile_l ) {
  53         str += ":\n";
  54         str += sourcefile_l->error_str( defined_ch_C_);
  55     }
  56     /*
  57     if ( busy_parsing() )
  58         cerr << endl;
  59         */
  60     cerr << str << endl;
  61 }
  62
  63 void
  64 Input::warning( String message_str)const
  65 {
  66     message( "warning: " + message_str);
  67 }
  68 void
  69 Input::error(String s)const
  70 {
  71     message("error: "+ s);
  72     exit (1);
  73 }
  74
  75 String
  76 Input::location_str()const
  77 {
  78     Source_file * sourcefile_l=0;
  79     if (sources_l_)
  80         sourcefile_l = sources_l_->sourcefile_l (defined_ch_C_);
  81     if (sourcefile_l)
  82         return sourcefile_l->file_line_no_str(defined_ch_C_);
  83     else
  84         return "(location unknown)";
  85 }