lily/score.cc

   1 /*
   2   score.cc -- implement Score
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include "ly-smobs.icc"
  10
  11 #include "scm-hash.hh"
  12 #include "score.hh"
  13 #include "debug.hh"
  14 #include "music-output-def.hh"
  15 #include "music-output.hh"
  16 #include "music-iterator.hh"
  17 #include "music.hh"
  18 #include "global-translator.hh"
  19 #include "scope.hh"
  20 #include "cpu-timer.hh"
  21 #include "main.hh"
  22 #include "paper-def.hh"
  23
  24
  25 /*
  26   TODO: junkme.
  27  */
  28
  29 Score::Score ()
  30   : Input ()
  31 {
  32   header_p_ = 0;
  33   music_ = SCM_EOL;
  34   errorlevel_i_ = 0;
  35   smobify_self ();
  36 }
  37
  38 Score::Score (Score const &s)
  39   : Input (s)
  40 {
  41   music_ = SCM_EOL;
  42   header_p_ = 0;
  43   smobify_self ();
  44
  45   Music * m =unsmob_music (s.music_);
  46   music_ =  m?m->clone ()->self_scm () : SCM_EOL;
  47   scm_unprotect_object (music_);
  48
  49   for (int i=0; i < s.def_p_arr_.size (); i++)
  50     def_p_arr_.push (s.def_p_arr_[i]->clone ());
  51   errorlevel_i_ = s.errorlevel_i_;
  52   if (s.header_p_)
  53         {
  54           header_p_ = (s.header_p_) ? new Scheme_hash_table (*s.header_p_): 0;
  55
  56           scm_unprotect_object (header_p_->self_scm ());
  57         }
  58
  59 }
  60
  61 Score::~Score ()
  62 {
  63
  64 }
  65
  66 void
  67 Score::run_translator (Music_output_def *odef_l)
  68 {
  69   Cpu_timer timer;
  70
  71
  72   Global_translator * trans_p = odef_l->get_global_translator_p ();
  73   if (!trans_p)
  74     {
  75       programming_error ("no toplevel translator");
  76       return ;
  77     }
  78   progress_indication (_ ("Interpreting music..."));
  79   Music * music = unsmob_music (music_);
  80
  81   trans_p->final_mom_ = music->length_mom ();
  82
  83
  84   Music_iterator * iter = Music_iterator::static_get_iterator_p (music);
  85   iter->init_translator (music, trans_p);
  86
  87   iter->construct_children ();
  88
  89   if (! iter->ok ())
  90     {
  91       delete iter;
  92       warning (_ ("Need music in a score"));
  93       errorlevel_i_ =1;
  94       return ;
  95     }
  96
  97   trans_p->start ();
  98   trans_p->run_iterator_on_me (iter);
  99   delete iter;
 100   trans_p->finish ();
 101
 102   if (errorlevel_i_)
 103     {
 104       // should we? hampers debugging.
 105       warning (_ ("Errors found/*, not processing score*/"));
 106     }
 107
 108   Music_output * output = trans_p->get_output_p ();
 109   scm_unprotect_object (trans_p->self_scm ());
 110
 111   if (verbose_global_b)
 112     progress_indication (_f ("elapsed time: %.2f seconds",  timer.read ()));
 113
 114   if (!header_p_)
 115     header_p_ = new Scheme_hash_table; // ugh
 116   Scope bla (header_p_);
 117   output->header_l_ = &bla;
 118   output->origin_str_ =  location_str ();
 119
 120   progress_indication ("\n");
 121   output->process ();
 122   delete output ;
 123
 124   /*
 125     force GC. At this point, GUILE may give back mallocated area to
 126     the system.
 127   */
 128
 129   scm_gc ();
 130 }
 131
 132 void
 133 Score::process ()
 134 {
 135   if (!unsmob_music (music_))
 136     return;
 137
 138
 139   for (int i=0; i < def_p_arr_.size (); i++)
 140     {
 141       if (no_paper_global_b
 142           && dynamic_cast<Paper_def*> (def_p_arr_[i]))
 143         continue;
 144       run_translator (def_p_arr_[i]);
 145     }
 146 }
 147
 148
 149
 150
 151 void
 152 Score::add_output (Music_output_def *pap_p)
 153 {
 154   def_p_arr_.push (pap_p);
 155 }
 156
 157 IMPLEMENT_SMOBS (Score);
 158 IMPLEMENT_DEFAULT_EQUAL_P (Score);
 159 IMPLEMENT_UNSMOB (Score, score);
 160
 161 SCM
 162 Score::mark_smob (SCM s)
 163 {
 164   Score * sc = (Score*) SCM_CELL_WORD_1 (s);
 165   if (sc->header_p_)
 166     scm_gc_mark (sc->header_p_->self_scm ());
 167   for (int i = sc->def_p_arr_.size (); i--;)
 168     scm_gc_mark (sc->def_p_arr_[i]->self_scm ());
 169
 170   return sc->music_;
 171 }
 172
 173 int
 174 Score::print_smob (SCM s, SCM p, scm_print_state*)
 175 {
 176   scm_puts ("#<Score>", p);
 177
 178   return 1;
 179 }