* input/test/piano-staff-distance.ly: new file.

[lilypond.git] / lily / translator.cc

diff --git a/lily/translator.cc b/lily/translator.cc
index d4a5cb9d2096eda6e51a4720d20c78ff43913d6d..62b5a6c450c8c0aba86205860ba6b3040ea5be1a 100644 (file)
--- a/lily/translator.cc
+++ b/lily/translator.cc
@@ -3,48 +3,56 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.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 "context-def.hh"
+#include "global-context.hh"
 #include "moment.hh"
+#include "context.hh"
+#include "ly-smobs.icc"
+
 
-char const*
-Translator::name() const
+Translator::~Translator ()
 {
-  return classname(this);
 }
 
-Translator::~Translator ()
+void
+Translator::init ()
 {
+  self_scm_ = SCM_EOL;
+  simple_trans_list_ = SCM_BOOL_F;
+  daddy_context_ =0;
+  smobify_self ();
 }
 
-Translator::Translator ()
+void
+Translator::do_announces ()
 {
-  status = ORPHAN;
-  daddy_trans_l_ = 0;
-  output_def_l_ = 0;
 }
 
-Translator::Translator (Translator const &s)
-  : Input (s)
+void
+Translator::process_music ()
 {
-  status = ORPHAN;
-  daddy_trans_l_ =0;
-  output_def_l_ = s.output_def_l_;
-  type_str_ = s.type_str_;
+  
 }
 
-bool
-Translator::is_alias_b (String s) const
+Translator::Translator ()
+{
+  init ();
+}
+
+Translator::Translator (Translator const &)
 {
-  return s == type_str_;
+  init ();
 }
 
 bool
-Translator::do_try_music (Music *)
+Translator::try_music (Music *)
 {
   return false;
 }
@@ -53,136 +61,101 @@ Translator::do_try_music (Music *)
 Moment
 Translator::now_mom () const
 {
-  return daddy_trans_l_->now_mom ();
+  return daddy_context_->now_mom ();
 }
 
-
-void
-Translator::add_processing ()
+Music_output_def *
+Translator::get_output_def () const
 {
-  if (status > ORPHAN)
-    return;
-  
-  do_add_processing ();
-  status = VIRGIN;
+  return daddy_context_->get_output_def ();
 }
 
-void
-Translator::do_add_processing ()
+
+Translator_group*
+Translator::get_daddy_translator () const
 {
+  Translator *t
+    = unsmob_translator (daddy_context_->implementation_);
+  return dynamic_cast<Translator_group*> (t);
 }
 
-void
-Translator::print () const
+
+SCM
+Translator::internal_get_property (SCM sym) const
 {
-#ifndef NPRINT
-  DEBUG_OUT << classname (this) << " {";
-  if (classname (this) != type_str_)
-    DEBUG_OUT << "type = " << type_str_;
-  do_print ();
-  DEBUG_OUT << "}\n";
-#endif
+  return daddy_context_->internal_get_property (sym);
 }
 
 void
-Translator::do_print () const
+Translator::stop_translation_timestep ()
 {
 }
 
+/*
+  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_music (Music * r)
-{
-  if (status < MOVE_INITED)
-    post_move_processing ();
+/*
 
-  return do_try_music (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);
+  return me->simple_trans_list_;
 }
 
-void
-Translator::pre_move_processing ()
+SCM
+Translator::translator_description () const
 {
-  do_pre_move_processing ();
-  status = CREATION_INITED;
+  return SCM_EOL;
 }
 
 
-
-Music_output_def *
-Translator::output_def_l () const
+Global_context *
+Translator::get_global_context () const
 {
-  return output_def_l_;
+  return daddy_context_ ->get_global_context ();
 }
 
-SCM
-Translator::get_property (String id, Translator_group **where_l) const
+
+Score_context *
+Translator::get_score_context () const
 {
-  return daddy_trans_l_->get_property (ly_symbol2scm (id.ch_C()), where_l);
-}
+  return daddy_context_->get_score_context ();
+}  
+
 
 SCM
-Translator::get_property (SCM sym,
-                         Translator_group **where_l) const
+Translator::static_translator_description ()const
 {
-  return daddy_trans_l_->get_property (sym, where_l);
+  return SCM_EOL;
 }
 
 
-
-void
-Translator:: do_pre_move_processing(){}
-void
-Translator::do_post_move_processing(){}
-void
-Translator::do_process_requests () {}
-void
-Translator::do_creation_processing() {}
-void
-Translator::do_removal_processing(){}
+IMPLEMENT_SMOBS (Translator);
+IMPLEMENT_DEFAULT_EQUAL_P (Translator);
+IMPLEMENT_TYPE_P(Translator,"ly:translator?");