lily/score.cc

   1 /*
   2   score.cc -- implement Score
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c)  1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7 */
   8
   9 #include <stdio.h>
  10
  11 #include "ly-smobs.icc"
  12
  13 #include "score.hh"
  14 #include "warn.hh"
  15 #include "music-output-def.hh"
  16 #include "music-output.hh"
  17 #include "music-iterator.hh"
  18 #include "music.hh"
  19 #include "global-translator.hh"
  20 #include "scm-hash.hh"
  21 #include "cpu-timer.hh"
  22 #include "main.hh"
  23 #include "paper-def.hh"
  24 #include "ly-modules.hh"
  25
  26
  27
  28 /*
  29   TODO: junkme.
  30  */
  31 Score::Score ()
  32   : Input ()
  33 {
  34   input_file_ = 0;
  35   header_ = SCM_EOL;
  36   music_ = SCM_EOL;
  37   errorlevel_ = 0;
  38
  39   smobify_self ();
  40 }
  41
  42 /*
  43   store point & click locations.
  44   Global to save some time. (Sue us!)
  45  */
  46 bool store_locations_global_b;
  47
  48 Score::Score (Score const &s)
  49   : Input (s)
  50 {
  51   music_ = SCM_EOL;
  52   header_ = 0;
  53   smobify_self ();
  54
  55   Music * m =unsmob_music (s.music_);
  56   music_ =  m?m->clone ()->self_scm () : SCM_EOL;
  57   scm_gc_unprotect_object (music_);
  58
  59   for (int i=0; i < s.defs_.size (); i++)
  60     defs_.push (s.defs_[i]->clone ());
  61   errorlevel_ = s.errorlevel_;
  62
  63   header_ = ly_make_anonymous_module ();
  64   if (ly_module_p (s.header_))
  65     ly_copy_module_variables (header_, s.header_);
  66 }
  67
  68 Score::~Score ()
  69 {
  70
  71 }
  72
  73
  74
  75 void
  76 Score::run_translator (Music_output_def *odef)
  77 {
  78    Cpu_timer timer;
  79   Global_translator * trans = odef->get_global_translator ();
  80   if (!trans)
  81     {
  82       programming_error ("no toplevel translator");
  83       return ;
  84     }
  85   progress_indication (_ ("Interpreting music..."));
  86   Music * music = unsmob_music (music_);
  87
  88   trans->final_mom_ = music->get_length ();
  89   SCM protected_iter =  Music_iterator::get_static_get_iterator (music);
  90   Music_iterator * iter = unsmob_iterator (protected_iter);
  91   iter->init_translator (music, trans);
  92
  93   iter->construct_children ();
  94
  95   if (! iter->ok ())
  96     {
  97       warning (_ ("Need music in a score"));
  98       errorlevel_ =1;
  99       return ;
 100     }
 101
 102   trans->start ();
 103   trans->run_iterator_on_me (iter);
 104   iter->quit();
 105   scm_remember_upto_here_1 (protected_iter);
 106   trans->finish ();
 107
 108   if (errorlevel_)
 109     {
 110       // should we? hampers debugging.
 111       warning (_ ("Errors found/*, not processing score*/"));
 112     }
 113
 114   Music_output * output = trans->get_output ();
 115   scm_gc_unprotect_object (trans->self_scm ());
 116
 117   if (verbose_global_b)
 118     progress_indication (_f ("elapsed time: %.2f seconds",  timer.read ()));
 119
 120   if (!header_)
 121     header_ = ly_make_anonymous_module(); // ug.h
 122
 123   output->header_ = header_;
 124   output->origin_string_ =  location_string ();
 125
 126   progress_indication ("\n");
 127   output->process ();
 128
 129   delete output ;
 130 }
 131
 132 void
 133 Score::process ()
 134 {
 135   if (!unsmob_music (music_))
 136     return;
 137
 138   for (int i=0; i < defs_.size (); i++)
 139     {
 140       if (no_paper_global_b
 141           && dynamic_cast<Paper_def*> (defs_[i]))
 142         continue;
 143       run_translator (defs_[i]);
 144     }
 145 }
 146
 147
 148 void
 149 Score::add_output (Music_output_def *pap)
 150 {
 151   defs_.push (pap);
 152 }
 153
 154 IMPLEMENT_SMOBS (Score);
 155 IMPLEMENT_DEFAULT_EQUAL_P (Score);
 156
 157
 158 SCM
 159 Score::mark_smob (SCM s)
 160 {
 161   Score * sc = (Score*) SCM_CELL_WORD_1 (s);
 162
 163   scm_gc_mark (sc->header_);
 164   for (int i = sc->defs_.size (); i--;)
 165     scm_gc_mark (sc->defs_[i]->self_scm ());
 166
 167   return sc->music_;
 168 }
 169
 170 int
 171 Score::print_smob (SCM , SCM p, scm_print_state*)
 172 {
 173   scm_puts ("#<Score>", p);
 174
 175   return 1;
 176 }