*** empty log message ***

[lilypond.git] / lily / translator.cc

diff --git a/lily/translator.cc b/lily/translator.cc
index 0d86219b267f82f31cc4d5e5df0720714d24746f..4191450809f1e5a8b377a665c6ac401177f58729 100644 (file)
--- a/lily/translator.cc
+++ b/lily/translator.cc
@@ -1,30 +1,190 @@
 /*
-  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--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
+
 #include "translator.hh"
+#include "warn.hh"
+#include "translator-group.hh"
+#include "translator-def.hh"
+
+#include "moment.hh"
+#include "ly-smobs.icc"
+
+
+Translator::~Translator ()
+{
+}
 
-Translator::Translator()
+void
+Translator::init ()
 {
-    iterator_count_  = 0;
+  simple_trans_list_ = SCM_EOL;
+  trans_group_list_ = SCM_EOL;
+  properties_scm_ = SCM_EOL;
+  definition_ = SCM_EOL;
+  daddy_trans_ =0;
 }
 
+Translator::Translator ()
+{
+  self_scm_ = SCM_EOL;
+  init ();
+  output_def_ = 0;
+  smobify_self ();
+}
 
-IMPLEMENT_IS_TYPE_B(Translator);
+Translator::Translator (Translator const &s)
+{
+  self_scm_ = SCM_EOL;
+  init ();
+  output_def_ = s.output_def_;
+  type_string_ = s.type_string_;
+
+  smobify_self ();
+}
 
 bool
-Translator::try_request(Request*)
+Translator::is_alias_b (String s) const
 {
-    return false;
+  bool b  = s == type_string_;
+
+  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;
 }
 
+bool
+Translator::try_music (Music *)
+{
+  return false;
+}
+                           
+
+Moment
+Translator::now_mom () const
+{
+  return daddy_trans_->now_mom ();
+}
+
+void
+Translator::removal_processing ()
+{
+  finalize ();
+}
+
+void
+Translator::do_announces ()
+{
+}
+
+Music_output_def *
+Translator::get_output_def () const
+{
+  return output_def_;
+}
+
+SCM
+Translator::internal_get_property (SCM sym) const
+{
+  return daddy_trans_->internal_get_property (sym);
+}
 
 void
-Translator::print()const
+Translator:: stop_translation_timestep ()
 {
+}
 
+void
+Translator::start_translation_timestep ()
+{
 }
+
+void
+Translator::initialize ()
+{
+}
+
+void
+Translator::finalize ()
+{
+}
+
+
+/*
+
+  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_;
+}
+
+LY_DEFINE(ly_translator_name,
+         "ly:translator-name", 1,0,0,  (SCM trans),
+         "Return the type name of the translator @var{trans}.
+")
+{
+  Translator* tr =  unsmob_translator (trans);
+  SCM_ASSERT_TYPE(tr, trans, SCM_ARG1, __FUNCTION__, "Context");
+
+  char const* nm = classname (tr);
+  return scm_makfrom0str (nm);
+}
+
+LY_DEFINE(ly_translator_description,
+         "ly:translator-description",
+         1,0,0, (SCM me),
+         "Return an alist of properties of  translator @var{me}.")
+{
+  Translator *tr =unsmob_translator (me);
+  SCM_ASSERT_TYPE (tr, me, SCM_ARG1, __FUNCTION__, "Context");
+
+  return tr->translator_description ();
+}
+
+SCM
+Translator::translator_description () const
+{
+  return SCM_EOL;
+}
+
+int
+Translator::print_smob (SCM s, SCM port, scm_print_state *)
+{
+  Translator *sc = (Translator *) ly_cdr (s);
+     
+  scm_puts ("#<Translator ", port);
+  scm_display (ly_translator_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;
+}
+
+SCM
+Translator::static_translator_description ()const
+{
+  return SCM_EOL;
+}
+
+
+IMPLEMENT_SMOBS (Translator);
+IMPLEMENT_DEFAULT_EQUAL_P (Translator);