/*
- 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"
-Translator::Translator()
+char const*
+Translator::name() const
{
- iterator_count_ = 0;
+ return classname(this);
+}
+
+Translator::~Translator ()
+{
+}
+
+void
+Translator::init ()
+{
+ status_ = ORPHAN;
+ simple_trans_list_ = SCM_EOL;
+ trans_group_list_ = SCM_EOL;
+ properties_scm_ = SCM_EOL;
+ definition_ = SCM_EOL;
+ daddy_trans_l_ =0;
+}
+
+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_;
-IMPLEMENT_IS_TYPE_B(Translator);
+ smobify_self ();
+}
bool
-Translator::try_request (Request*)
+Translator::is_alias_b (String s) const
+{
+ 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::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::print()const
+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);