release: 1.3.131

[lilypond.git] / lily / translator.cc

diff --git a/lily/translator.cc b/lily/translator.cc
index 58b4c589178f09a50610562213b83339187d61fa..41111b075e6c48a7fc5012c56c406986779b347f 100644 (file)
--- a/lily/translator.cc
+++ b/lily/translator.cc
@@ -3,34 +3,53 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c)  1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
 
 #include "translator.hh"
 #include "debug.hh"
 #include "translator-group.hh"
-#include "dictionary-iter.hh"
+
+#include "moment.hh"
+#include "ly-smobs.icc"
+
+char const*
+Translator::name() const
+{
+  return classname(this);
+}
 
 Translator::~Translator ()
 {
 }
 
+void
+Translator::init ()
+{
+  simple_trans_list_ = SCM_EOL;
+  trans_group_list_ = SCM_EOL;
+  properties_scm_ = SCM_EOL;
+  definition_ = SCM_EOL;
+  daddy_trans_l_ =0;
+}
+
 Translator::Translator ()
 {
-  status = ORPHAN;
-  daddy_trans_l_ = 0;
+  init ();
   output_def_l_ = 0;
+  smobify_self ();
+
 }
 
 Translator::Translator (Translator const &s)
   : Input (s)
 {
-  status = ORPHAN;
-  daddy_trans_l_ =0;
+  init ();
   output_def_l_ = s.output_def_l_;
-  properties_dict_ = s.properties_dict_;
   type_str_ = s.type_str_;
+
+  smobify_self ();
 }
 
 bool
@@ -40,142 +59,132 @@ Translator::is_alias_b (String s) const
 }
 
 bool
-Translator::do_try_request (Request *)
+Translator::try_music (Music *)
 {
   return false;
 }
                            
 
 Moment
-Translator::now_moment () const
+Translator::now_mom () const
 {
-  return daddy_trans_l_->now_moment ();
+  return daddy_trans_l_->now_mom ();
 }
 
 
+
+
+
 void
-Translator::add_processing ()
+Translator::post_move_processing ()
 {
-  if (status > ORPHAN)
-    return;
-  
-  do_add_processing ();
-  status = VIRGIN;
+  start_translation_timestep ();
 }
 
 void
-Translator::do_add_processing ()
+Translator::removal_processing ()
 {
+  finalize ();
 }
 
+
 void
-Translator::print () const
+Translator::announces ()
 {
-#ifndef NPRINT
-  DOUT << name () << " {";
-  if (name () != type_str_)
-    DOUT << "type = " << type_str_;
-  for (Dictionary_iter<Scalar> i (properties_dict_); i.ok (); i++)
-    {
-      DOUT << i.key () << "=" << i.val () <<"\n";
-    }
-  do_print ();
-  DOUT << "}\n";
-#endif
+  do_announces ();
 }
 
+
 void
-Translator::do_print () const
+Translator::pre_move_processing ()
 {
+  stop_translation_timestep ();
 }
 
-IMPLEMENT_IS_TYPE_B(Translator);
 
 
-void
-Translator::creation_processing ()
+Music_output_def *
+Translator::output_def_l () const
 {
-  if (status >= CREATION_INITED)
-    return ;
-  
-  do_creation_processing ();
-  status = CREATION_INITED;
+  return output_def_l_;
 }
 
-void
-Translator::post_move_processing()
+SCM
+Translator::get_property (char const * id) const
 {
-  if (status >= MOVE_INITED)
-    return;
+  return daddy_trans_l_->get_property (ly_symbol2scm (id));
+}
 
-  creation_processing();
-  do_post_move_processing();
-  status = MOVE_INITED;
+SCM
+Translator::get_property (SCM sym) const
+{
+  return daddy_trans_l_->get_property (sym);
 }
 
 void
-Translator::removal_processing()
+Translator:: stop_translation_timestep ()
 {
-  if (status == ORPHAN)
-    return;
-  creation_processing();
-  do_removal_processing();
-  // elegancy ...
-  // status = ORPHAN;
 }
 
-
-bool
-Translator::try_request (Request * r)
+void
+Translator::start_translation_timestep ()
 {
-  if (status < MOVE_INITED)
-    post_move_processing();
-
-  return do_try_request (r);
 }
 
 void
-Translator::process_requests()
+Translator::do_announces ()
 {
-  if (status < PROCESSED_REQS)
-    post_move_processing();
-  else if (status >= PROCESSED_REQS)
-    return; 
-  
-  status = PROCESSED_REQS;
-  do_process_requests();
 }
 
 void
-Translator::pre_move_processing()
+Translator::initialize ()
 {
-  do_pre_move_processing();
-  status = CREATION_INITED;
 }
 
-Scalar
-Translator::get_property (String id)
+void
+Translator::finalize ()
 {
-  if (properties_dict_.elt_b (id))
-    {
-      return properties_dict_[id];
-    }
-  
-  if (daddy_trans_l_)
-    return daddy_trans_l_->get_property (id);
-
-  return "";
 }
 
-void
-Translator::set_property (String id, Scalar val)
+
+/*
+
+  SMOBS
+
+*/
+SCM
+Translator::mark_smob (SCM sm)
 {
-  properties_dict_[id] = val;
+  Translator * me = (Translator*) SCM_CELL_WORD_1(sm);
+  scm_gc_mark (me->simple_trans_list_);
+  scm_gc_mark (me->trans_group_list_);
+  scm_gc_mark (me->definition_);  
+  scm_gc_mark (me->properties_scm_);  
+
+  return me->properties_scm_;
 }
 
 
-Music_output_def *
-Translator::output_def_l () const
+int
+Translator::print_smob (SCM s, SCM port, scm_print_state *)
 {
-  return output_def_l_;
+  Translator *sc = (Translator *) gh_cdr (s);
+     
+  scm_puts ("#<Translator ", port);
+  scm_puts ((char *)sc->name (), port);
+  scm_display (sc->simple_trans_list_, port);
+  /*
+    don't try to print properties, that is too much hassle.
+   */
+  scm_puts (" >", port);
+
+  
+  
+  return 1;
 }
+
+
+
+IMPLEMENT_UNSMOB(Translator, translator);
+IMPLEMENT_SMOBS(Translator);
+IMPLEMENT_DEFAULT_EQUAL_P(Translator);