* configure.in: Test for and accept lmodern if EC fonts not found.

[lilypond.git] / lily / translator.cc

diff --git a/lily/translator.cc b/lily/translator.cc
index fc4009633122d5c5845f381cc97c5c24def1b267..d6a4a79ca2a7bfbbcd635275c5e649f9c262555a 100644 (file)
--- a/lily/translator.cc
+++ b/lily/translator.cc
@@ -3,19 +3,18 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--2001 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 "translator-def.hh"
+#include "context-def.hh"
+#include "global-context.hh"
 
-#include "moment.hh"
 #include "ly-smobs.icc"
 
-
 Translator::~Translator ()
 {
 }
@@ -23,41 +22,32 @@ 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;
+  must_be_last_ = false;
+  self_scm_ = SCM_EOL;
+  daddy_context_ =0;
+  smobify_self ();
 }
 
-Translator::Translator ()
+void
+Translator::do_announces ()
 {
-  init ();
-  output_def_l_ = 0;
-  smobify_self ();
+}
 
+void
+Translator::process_music ()
+{
+  
 }
 
-Translator::Translator (Translator const &s)
-  : Input (s)
+Translator::Translator ()
 {
   init ();
-  output_def_l_ = s.output_def_l_;
-  type_str_ = s.type_str_;
-
-  smobify_self ();
 }
 
-bool
-Translator::is_alias_b (String s) const
+Translator::Translator (Translator const &src)
 {
-  bool b  = s == type_str_;
-
-  for (SCM a = unsmob_translator_def (definition_)->type_aliases_;
-       !b && gh_pair_p (a); a = ly_cdr (a))
-    b = b || s == ly_scm2string (ly_car (a));
-
-  return b;
+  init ();
+  must_be_last_ = src.must_be_last_;
 }
 
 bool
@@ -70,45 +60,45 @@ Translator::try_music (Music *)
 Moment
 Translator::now_mom () const
 {
-  return daddy_trans_l_->now_mom ();
+  return daddy_context_->now_mom ();
 }
 
-void
-Translator::removal_processing ()
+Output_def *
+Translator::get_output_def () const
 {
-  finalize ();
+  return daddy_context_->get_output_def ();
 }
 
-void
-Translator::announces ()
-{
-  do_announces ();
-}
 
-Music_output_def *
-Translator::output_def_l () const
+Translator_group*
+Translator::get_daddy_translator () const
 {
-  return output_def_l_;
+  return daddy_context_->implementation ();
 }
 
+
 SCM
 Translator::internal_get_property (SCM sym) const
 {
-  return daddy_trans_l_->internal_get_property (sym);
+  return daddy_context_->internal_get_property (sym);
 }
 
 void
-Translator:: stop_translation_timestep ()
+Translator::stop_translation_timestep ()
 {
 }
 
-void
-Translator::start_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::do_announces ()
+Translator::start_translation_timestep ()
 {
 }
 
@@ -132,61 +122,30 @@ SCM
 Translator::mark_smob (SCM sm)
 {
   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_;
+  me->derived_mark ();
+  return SCM_EOL;
 }
 
-MAKE_SCHEME_CALLBACK(Translator,name,1);
 SCM
-Translator::name (SCM trans) 
+Translator::translator_description () const
 {
-  if (unsmob_translator (trans))
-    {
-      char const* nm = classname (unsmob_translator (trans));
-      return ly_str02scm (nm);
-    }
-  return
-    SCM_EOL;
+  return SCM_EOL;
 }
 
-MAKE_SCHEME_CALLBACK(Translator,description,1)
-SCM
-Translator::description (SCM me) 
-{
-  if (unsmob_translator (me))
-    return unsmob_translator(me)->translator_description ();
-  else
-    {
-      programming_error ("Translator::description ()");  
-      return SCM_EOL;
-    }
-}
 
-SCM
-Translator::translator_description () const
+Global_context *
+Translator::get_global_context () const
 {
-  return SCM_EOL;
+  return daddy_context_ ->get_global_context ();
 }
 
-int
-Translator::print_smob (SCM s, SCM port, scm_print_state *)
+
+Score_context *
+Translator::get_score_context () const
 {
-  Translator *sc = (Translator *) ly_cdr (s);
-     
-  scm_puts ("#<Translator ", port);
-  scm_display (name (s), port);
-  scm_display (sc->simple_trans_list_, port);
-  /*
-    don't try to print properties, that is too much hassle.
-   */
-  scm_puts (" >", port);
-  
-  return 1;
-}
+  return daddy_context_->get_score_context ();
+}  
+
 
 SCM
 Translator::static_translator_description ()const
@@ -197,3 +156,16 @@ Translator::static_translator_description ()const
 
 IMPLEMENT_SMOBS (Translator);
 IMPLEMENT_DEFAULT_EQUAL_P (Translator);
+IMPLEMENT_TYPE_P (Translator,"ly:translator?");
+
+bool
+Translator::must_be_last () const
+{
+  return must_be_last_;
+}
+
+void
+Translator::derived_mark () const
+{
+  
+}