* Documentation/user/music-glossary.itely: add Finnish author.

[lilypond.git] / lily / translator.cc

diff --git a/lily/translator.cc b/lily/translator.cc
index 58b4c589178f09a50610562213b83339187d61fa..c8a99998c55bc1e6424cdaebf8436c18c0d89d7f 100644 (file)
--- a/lily/translator.cc
+++ b/lily/translator.cc
@@ -3,179 +3,157 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
 
 #include "translator.hh"
-#include "debug.hh"
+#include "warn.hh"
 #include "translator-group.hh"
-#include "dictionary-iter.hh"
+#include "context-def.hh"
+
+#include "moment.hh"
+#include "ly-smobs.icc"
+
 
 Translator::~Translator ()
 {
 }
 
+void
+Translator::init ()
+{
+  simple_trans_list_ = SCM_BOOL_F;
+  trans_group_list_ = SCM_EOL;
+  properties_scm_ = SCM_EOL;
+  definition_ = SCM_EOL;
+  daddy_trans_ =0;
+  accepts_list_ = SCM_EOL;
+}
+
 Translator::Translator ()
 {
-  status = ORPHAN;
-  daddy_trans_l_ = 0;
-  output_def_l_ = 0;
+  self_scm_ = SCM_EOL;
+  init ();
+  output_def_ = 0;
+  smobify_self ();
 }
 
 Translator::Translator (Translator const &s)
-  : Input (s)
 {
-  status = ORPHAN;
-  daddy_trans_l_ =0;
-  output_def_l_ = s.output_def_l_;
-  properties_dict_ = s.properties_dict_;
-  type_str_ = s.type_str_;
+  self_scm_ = SCM_EOL;
+  init ();
+  output_def_ = s.output_def_;
+
+  smobify_self ();
 }
 
 bool
-Translator::is_alias_b (String s) const
+Translator::is_alias (SCM sym) const
 {
-  return s == type_str_;
+  return unsmob_context_def (definition_)->is_alias (sym);
 }
 
 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_->now_mom ();
 }
 
-
 void
-Translator::add_processing ()
+Translator::do_announces ()
 {
-  if (status > ORPHAN)
-    return;
-  
-  do_add_processing ();
-  status = VIRGIN;
 }
 
-void
-Translator::do_add_processing ()
+Music_output_def *
+Translator::get_output_def () const
 {
+  return
+    (daddy_trans_)
+    ? daddy_trans_->get_output_def ()
+    : 0;
 }
 
-void
-Translator::print () const
+SCM
+Translator::internal_get_property (SCM sym) const
 {
-#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
+  return daddy_trans_->internal_get_property (sym);
 }
 
 void
-Translator::do_print () const
+Translator::stop_translation_timestep ()
 {
 }
 
-IMPLEMENT_IS_TYPE_B(Translator);
+/*
+  this function has 2 properties
+
+  - It is called before try_music()
 
+  - It is called before any user information enters the translators.
+  (i.e. any \property or event is not processed yet.)
 
+  */
 void
-Translator::creation_processing ()
+Translator::start_translation_timestep ()
 {
-  if (status >= CREATION_INITED)
-    return ;
-  
-  do_creation_processing ();
-  status = CREATION_INITED;
 }
 
 void
-Translator::post_move_processing()
+Translator::initialize ()
 {
-  if (status >= MOVE_INITED)
-    return;
-
-  creation_processing();
-  do_post_move_processing();
-  status = MOVE_INITED;
 }
 
 void
-Translator::removal_processing()
+Translator::finalize ()
 {
-  if (status == ORPHAN)
-    return;
-  creation_processing();
-  do_removal_processing();
-  // elegancy ...
-  // status = ORPHAN;
 }
 
 
-bool
-Translator::try_request (Request * r)
-{
-  if (status < MOVE_INITED)
-    post_move_processing();
+/*
 
-  return do_try_request (r);
-}
+  SMOBS
 
-void
-Translator::process_requests()
+*/
+SCM
+Translator::mark_smob (SCM sm)
 {
-  if (status < PROCESSED_REQS)
-    post_move_processing();
-  else if (status >= PROCESSED_REQS)
-    return; 
-  
-  status = PROCESSED_REQS;
-  do_process_requests();
-}
+  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_);  
+  scm_gc_mark (me->accepts_list_);
 
-void
-Translator::pre_move_processing()
-{
-  do_pre_move_processing();
-  status = CREATION_INITED;
+  return me->properties_scm_;
 }
 
-Scalar
-Translator::get_property (String id)
+SCM
+Translator::translator_description () const
 {
-  if (properties_dict_.elt_b (id))
-    {
-      return properties_dict_[id];
-    }
-  
-  if (daddy_trans_l_)
-    return daddy_trans_l_->get_property (id);
-
-  return "";
+  return SCM_EOL;
 }
 
-void
-Translator::set_property (String id, Scalar val)
+SCM
+Translator::static_translator_description ()const
 {
-  properties_dict_[id] = val;
+  return SCM_EOL;
 }
 
 
-Music_output_def *
-Translator::output_def_l () const
+IMPLEMENT_SMOBS (Translator);
+IMPLEMENT_DEFAULT_EQUAL_P (Translator);
+IMPLEMENT_TYPE_P(Translator,"ly:translator?");
+
+SCM
+Translator::get_simple_trans_list()
 {
-  return output_def_l_;
+  return SCM_EOL;
 }