lily/my-lily-parser.cc

   1 /*
   2   my-lily-parser.cc -- implement My_lily_parser
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7        Jan Nieuwenhuizen <janneke@gnu.org>
   8 */
   9
  10 #include "my-lily-parser.hh"
  11 #include "my-lily-lexer.hh"
  12 #include "debug.hh"
  13 #include "main.hh"
  14 #include "music-list.hh"
  15 #include "musical-request.hh"
  16 #include "command-request.hh"
  17 #include "parser.hh"
  18 #include "scope.hh"
  19 #include "file-results.hh"
  20 #include "midi-def.hh"
  21 #include "paper-def.hh"
  22 #include "identifier.hh"
  23 #include "chord.hh"
  24
  25 My_lily_parser::My_lily_parser (Sources * source_l)
  26 {
  27   first_b_ = true;
  28   source_l_ = source_l;
  29   lexer_p_ = 0;
  30   default_duration_.durlog_i_ = 2;
  31   error_level_i_ = 0;
  32
  33   fatal_error_i_ = 0;
  34   default_header_p_ =0;
  35 }
  36
  37 My_lily_parser::~My_lily_parser()
  38 {
  39   delete lexer_p_;
  40   delete default_header_p_;
  41 }
  42
  43
  44
  45 void
  46 My_lily_parser::set_version_check (bool ig)
  47 {
  48   ignore_version_b_ = ig;
  49 }
  50
  51 void
  52 My_lily_parser::parse_file (String init, String s)
  53 {
  54   lexer_p_ = new My_lily_lexer;
  55   init_str_ = init;
  56   lexer_p_->main_input_str_ = s;
  57
  58   *mlog << _ ("Parsing...");
  59
  60   init_parse_b_ = false;
  61   set_yydebug (!monitor->silent_b ("Parser") && check_debug);
  62   lexer_p_->new_input (init, source_l_);
  63   do_yyparse ();
  64
  65   if (!define_spot_array_.empty())
  66     {
  67       warning (_ ("braces don't match"));
  68       error_level_i_ = 1;
  69     }
  70
  71   inclusion_global_array = lexer_p_->filename_str_arr_;
  72
  73   error_level_i_ = error_level_i_ | lexer_p_->errorlevel_i_; // ugh naming.
  74 }
  75
  76 void
  77 My_lily_parser::remember_spot()
  78 {
  79   define_spot_array_.push (here_input());
  80 }
  81
  82 char const *
  83 My_lily_parser::here_ch_C() const
  84 {
  85   return lexer_p_->here_ch_C();
  86 }
  87
  88 void
  89 My_lily_parser::parser_error (String s)
  90 {
  91   here_input().error (s);
  92   if (fatal_error_i_)
  93     exit (fatal_error_i_);
  94   error_level_i_ = 1;
  95   exit_status_i_ = 1;
  96 }
  97
  98
  99
 100 void
 101 My_lily_parser::set_last_duration (Duration const *d)
 102 {
 103   default_duration_ = *d;
 104 }
 105
 106 // junk me
 107 Simultaneous_music*
 108 My_lily_parser::get_word_element (String s, Duration * duration_p)
 109 {
 110   Simultaneous_music* velt_p = new Request_chord;
 111
 112   Lyric_req* lreq_p = new Lyric_req;
 113   lreq_p ->text_str_ = s;
 114   lreq_p->duration_ = *duration_p;
 115   lreq_p->set_spot (here_input());
 116
 117   velt_p->add_music (lreq_p);
 118
 119   delete  duration_p;
 120   return velt_p;
 121 }
 122
 123 // junk me
 124 Simultaneous_music *
 125 My_lily_parser::get_rest_element (String s,  Duration * duration_p)
 126 {
 127   Simultaneous_music* velt_p = new Request_chord;
 128   velt_p->set_spot (here_input());
 129
 130   if (s=="s")
 131     { /* Space */
 132       Skip_req * skip_p = new Skip_req;
 133       skip_p->duration_ = *duration_p;
 134
 135       skip_p->set_spot (here_input());
 136       velt_p->add_music (skip_p);
 137     }
 138   else
 139     {
 140       Rest_req * rest_req_p = new Rest_req;
 141       rest_req_p->duration_ = *duration_p;
 142       rest_req_p->set_spot (here_input());
 143
 144       velt_p->add_music (rest_req_p);
 145     }
 146
 147   delete duration_p;
 148   return velt_p;
 149 }
 150
 151 // junk me
 152 Simultaneous_music *
 153 My_lily_parser::get_chord (Musical_pitch tonic, Array<Musical_pitch>* add_arr_p, Array<Musical_pitch>* sub_arr_p, Musical_pitch* inversion_p, Duration d)
 154 {
 155   Simultaneous_music*v = new Request_chord;
 156   v->set_spot (here_input ());
 157
 158   Chord chord (tonic, add_arr_p, sub_arr_p, inversion_p);
 159
 160   Tonic_req* t = new Tonic_req;
 161   t->pitch_ = tonic;
 162   v->add_music (t);
 163
 164   for (int i = 0; i < chord.pitch_arr_.size (); i++)
 165     {
 166       Musical_pitch p = chord.pitch_arr_[i];
 167       Note_req* n = new Note_req;
 168       n->pitch_ = p;
 169       n->duration_ = d;
 170       v->add_music (n);
 171     }
 172
 173   return v;
 174 }
 175
 176
 177
 178 Input
 179 My_lily_parser::pop_spot()
 180 {
 181   return define_spot_array_.pop();
 182 }
 183
 184 Input
 185 My_lily_parser::here_input() const
 186 {
 187   Source_file * f_l= lexer_p_->source_file_l();
 188   return Input (f_l, here_ch_C());
 189 }
 190
 191 Paper_def*
 192 My_lily_parser::default_paper_p ()
 193 {
 194   Identifier *id = lexer_p_->lookup_identifier ("$defaultpaper");
 195   return id ? id->access_content_Paper_def (true) : new Paper_def ;
 196 }
 197
 198 Midi_def*
 199 My_lily_parser::default_midi_p ()
 200 {
 201   Identifier *id = lexer_p_->lookup_identifier ("$defaultmidi");
 202   return id ? id->access_content_Midi_def (true) : new Midi_def ;
 203 }
 204