source file of the GNU LilyPond music typesetter
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "translator.hh"
-#include "debug.hh"
+#include "warn.hh"
#include "translator-group.hh"
-#include "dictionary-iter.hh"
+#include "translator-def.hh"
+
+#include "moment.hh"
+#include "ly-smobs.icc"
+
Translator::~Translator ()
{
}
+void
+Translator::init ()
+{
+ simple_trans_list_ = SCM_EOL;
+ trans_group_list_ = SCM_EOL;
+ properties_scm_ = SCM_EOL;
+ definition_ = SCM_EOL;
+ daddy_trans_ =0;
+}
+
Translator::Translator ()
{
- status = ORPHAN;
- daddy_trans_l_ = 0;
- output_def_l_ = 0;
+ self_scm_ = SCM_EOL;
+ init ();
+ output_def_ = 0;
+ smobify_self ();
}
Translator::Translator (Translator const &s)
- : Input (s)
{
- status = ORPHAN;
- daddy_trans_l_ =0;
- output_def_l_ = s.output_def_l_;
- properties_dict_ = s.properties_dict_;
- type_str_ = s.type_str_;
+ self_scm_ = SCM_EOL;
+ init ();
+ output_def_ = s.output_def_;
+ type_string_ = s.type_string_;
+
+ smobify_self ();
}
bool
Translator::is_alias_b (String s) const
{
- return s == type_str_;
+ 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::do_try_request (Request *)
+Translator::try_music (Music *)
{
return false;
}
Moment
-Translator::now_moment () const
+Translator::now_mom () const
{
- return daddy_trans_l_->now_moment ();
+ return daddy_trans_->now_mom ();
}
-
void
-Translator::add_processing ()
+Translator::removal_processing ()
{
- if (status > ORPHAN)
- return;
-
- do_add_processing ();
- status = VIRGIN;
+ finalize ();
}
void
-Translator::do_add_processing ()
+Translator::do_announces ()
{
}
-void
-Translator::print () const
+Music_output_def *
+Translator::get_output_def () const
{
-#ifndef NPRINT
- DOUT << name () << " {";
- if (name () != type_str_)
- DOUT << "type = " << type_str_;
- for (Dictionary_iter<Scalar> i (properties_dict_); i.ok (); i++)
- {
- DOUT << i.key () << "=" << i.val () <<"\n";
- }
- do_print ();
- DOUT << "}\n";
-#endif
+ return output_def_;
}
-void
-Translator::do_print () const
+SCM
+Translator::internal_get_property (SCM sym) const
{
+ return daddy_trans_->internal_get_property (sym);
}
-IMPLEMENT_IS_TYPE_B(Translator);
-
-
void
-Translator::creation_processing ()
+Translator:: stop_translation_timestep ()
{
- if (status >= CREATION_INITED)
- return ;
-
- do_creation_processing ();
- status = CREATION_INITED;
}
void
-Translator::post_move_processing ()
+Translator::start_translation_timestep ()
{
- if (status >= MOVE_INITED)
- return;
+}
- creation_processing ();
- do_post_move_processing ();
- status = MOVE_INITED;
+void
+Translator::initialize ()
+{
}
void
-Translator::removal_processing ()
+Translator::finalize ()
{
- if (status == ORPHAN)
- return;
- creation_processing ();
- do_removal_processing ();
- // elegancy ...
- // status = ORPHAN;
}
-bool
-Translator::try_request (Request * r)
-{
- if (status < MOVE_INITED)
- post_move_processing ();
+/*
- return do_try_request (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);
+ 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_;
}
-void
-Translator::pre_move_processing ()
+LY_DEFINE(ly_translator_name,
+ "ly-translator-name", 1,0,0, (SCM trans),
+ "Return the type name of the translator @var{trans}.
+")
{
- do_pre_move_processing ();
- status = CREATION_INITED;
+ Translator* tr = unsmob_translator (trans);
+ SCM_ASSERT_TYPE(tr, trans, SCM_ARG1, __FUNCTION__, "Context");
+
+ char const* nm = classname (tr);
+ return scm_makfrom0str (nm);
}
-Scalar
-Translator::get_property (String id)
+LY_DEFINE(ly_translator_description,
+ "ly-translator-description",
+ 1,0,0, (SCM me),
+ "Return an alist of properties of translator @var{me}.")
{
- if (properties_dict_.elt_b (id))
- {
- return properties_dict_[id];
- }
-
- if (daddy_trans_l_)
- return daddy_trans_l_->get_property (id);
+ Translator *tr =unsmob_translator (me);
+ SCM_ASSERT_TYPE (tr, me, SCM_ARG1, __FUNCTION__, "Context");
- return "";
+ return tr->translator_description ();
}
-void
-Translator::set_property (String id, Scalar val)
+SCM
+Translator::translator_description () const
{
- properties_dict_[id] = val;
+ 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;
+}
-Music_output_def *
-Translator::output_def_l () const
+SCM
+Translator::static_translator_description ()const
{
- return output_def_l_;
+ return SCM_EOL;
}
+
+
+IMPLEMENT_SMOBS (Translator);
+IMPLEMENT_DEFAULT_EQUAL_P (Translator);