release: 1.3.93

[lilypond.git] / lily / translator.cc

diff --git a/lily/translator.cc b/lily/translator.cc
index 06e30c21e998a7a3264220f3192f3260d0a8d2fe..905266cbeab94cdc7e07db923ebfa4f7a7935c6d 100644 (file)
--- a/lily/translator.cc
+++ b/lily/translator.cc
@@ -1,30 +1,242 @@
 /*
-  Translator.cc -- implement Translator
+  translator.cc -- implement Translator
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
+
 #include "translator.hh"
+#include "debug.hh"
+#include "translator-group.hh"
+
+#include "moment.hh"
+#include "ly-smobs.icc"
+
+char const*
+Translator::name() const
+{
+  return classname(this);
+}
+
+Translator::~Translator ()
+{
+}
 
-Translator::Translator()
+void
+Translator::init ()
 {
-    iterator_count_  = 0;
+  status_ = ORPHAN;
+  simple_trans_list_ = SCM_EOL;
+  trans_group_list_ = SCM_EOL;
+  properties_scm_ = SCM_EOL;
+  definition_ = SCM_EOL;
+  daddy_trans_l_ =0;
 }
 
-IMPLEMENT_STATIC_NAME(Translator);
-IMPLEMENT_IS_TYPE_B(Translator);
+Translator::Translator ()
+{
+  init ();
+  output_def_l_ = 0;
+  smobify_self ();
+
+}
+
+Translator::Translator (Translator const &s)
+  : Input (s)
+{
+  init ();
+  output_def_l_ = s.output_def_l_;
+  type_str_ = s.type_str_;
+
+  smobify_self ();
+}
 
 bool
-Translator::try_request(Request*)
+Translator::is_alias_b (String s) const
 {
-    return false;
+  return s == type_str_;
+}
+
+bool
+Translator::do_try_music (Music *)
+{
+  return false;
+}
+                           
+
+Moment
+Translator::now_mom () const
+{
+  return daddy_trans_l_->now_mom ();
 }
 
 
 void
-Translator::print()const
+Translator::add_processing ()
 {
+  if (status_ > ORPHAN)
+    return;
+  
+  do_add_processing ();
+  status_ = VIRGIN;
+}
 
+void
+Translator::do_add_processing ()
+{
+}
+
+
+
+
+
+void
+Translator::creation_processing ()
+{
+  if (status_ >= CREATION_INITED)
+    return ;
+  
+  do_creation_processing ();
+  status_ = CREATION_INITED;
+}
+
+void
+Translator::post_move_processing ()
+{
+  if (status_ >= MOVE_INITED)
+    return;
+
+  creation_processing ();
+  do_post_move_processing ();
+  status_ = MOVE_INITED;
+}
+
+void
+Translator::removal_processing ()
+{
+  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);
+}
+
+void
+Translator::process_music ()
+{
+  if (status_ < PROCESSED_REQS)
+    post_move_processing ();
+  else if (status_ >= PROCESSED_REQS)
+    return; 
+  
+  status_ = PROCESSED_REQS;
+  do_process_music ();
 }
+
+void
+Translator::pre_move_processing ()
+{
+  do_pre_move_processing ();
+  status_ = CREATION_INITED;
+}
+
+
+
+Music_output_def *
+Translator::output_def_l () const
+{
+  return output_def_l_;
+}
+
+SCM
+Translator::get_property (char const * id) const
+{
+  return daddy_trans_l_->get_property (ly_symbol2scm (id));
+}
+
+SCM
+Translator::get_property (SCM sym) const
+{
+  return daddy_trans_l_->get_property (sym);
+}
+
+void
+Translator:: do_pre_move_processing ()
+{
+}
+
+void
+Translator::do_post_move_processing ()
+{
+}
+
+void
+Translator::do_process_music ()
+{
+}
+
+void
+Translator::do_creation_processing ()
+{
+}
+
+void
+Translator::do_removal_processing ()
+{
+}
+
+
+/*
+
+  SMOBS
+
+*/
+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_;
+}
+
+
+int
+Translator::print_smob (SCM s, SCM port, scm_print_state *)
+{
+  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);