source file of the GNU LilyPond music typesetter
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.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 "translator.icc"
#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_l_ =0;
+ must_be_last_ = false;
+ self_scm_ = SCM_EOL;
+ daddy_context_ = 0;
+ smobify_self ();
}
-Translator::Translator ()
+void
+Translator::process_music ()
{
- init ();
- output_def_l_ = 0;
- smobify_self ();
}
-Translator::Translator (Translator const &s)
+void
+Translator::process_acknowledged ()
{
- 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 ()
{
- 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));
+ init ();
+}
- return b;
+Translator::Translator (Translator const &src)
+{
+ init ();
+ must_be_last_ = src.must_be_last_;
}
bool
{
return false;
}
-
Moment
Translator::now_mom () const
{
- return daddy_trans_l_->now_mom ();
-}
-
-void
-Translator::removal_processing ()
-{
- finalize ();
+ return daddy_context_->now_mom ();
}
-void
-Translator::announces ()
+Output_def *
+Translator::get_output_def () const
{
- do_announces ();
+ return daddy_context_->get_output_def ();
}
-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 ()
{
}
{
}
-
/*
-
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_;
+ Translator *me = (Translator *) SCM_CELL_WORD_1 (sm);
+ me->derived_mark ();
+ return SCM_EOL;
}
-LY_DEFINE(ly_translator_name,
- "ly-translator-name", 1,0,0, (SCM trans),
- "Return the type name of the translator @var{trans}.
-")
+Global_context *
+Translator::get_global_context () const
{
- Translator* tr = unsmob_translator (trans);
- SCM_ASSERT_TYPE(tr, trans, SCM_ARG1, __FUNCTION__, "Context");
-
- char const* nm = classname (tr);
- return ly_str02scm (nm);
+ return daddy_context_->get_global_context ();
}
-LY_DEFINE(ly_translator_description,
- "ly-translator-description",
- 1,0,0, (SCM me),
- "Return an alist of properties of translator @var{me}.")
+Score_context *
+Translator::get_score_context () const
{
- Translator *tr =unsmob_translator (me);
- SCM_ASSERT_TYPE (tr, me, SCM_ARG1, __FUNCTION__, "Context");
+ return daddy_context_->get_score_context ();
+}
- return tr->translator_description ();
+IMPLEMENT_SMOBS (Translator);
+IMPLEMENT_DEFAULT_EQUAL_P (Translator);
+IMPLEMENT_TYPE_P (Translator, "ly:translator?");
+
+bool
+Translator::must_be_last () const
+{
+ return must_be_last_;
}
-SCM
-Translator::translator_description () const
+void
+Translator::derived_mark () const
{
- return SCM_EOL;
}
int
Translator::print_smob (SCM s, SCM port, scm_print_state *)
{
- Translator *sc = (Translator *) ly_cdr (s);
-
+ Translator *me = (Translator *) SCM_CELL_WORD_1 (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 (me->class_name (), port);
scm_puts (" >", port);
-
return 1;
}
-SCM
-Translator::static_translator_description ()const
+void
+add_acknowledger (Engraver_void_function_engraver_grob_info ptr,
+ char const *func_name,
+ Array<Acknowledge_information> *ack_array)
{
- return SCM_EOL;
+ Acknowledge_information inf;
+ inf.function_ = ptr;
+
+ String interface_name (func_name);
+
+ interface_name = interface_name.substitute ('_', '-');
+ interface_name += "-interface";
+
+ inf.symbol_ = scm_gc_protect_object (ly_symbol2scm (interface_name.to_str0 ()));
+ ack_array->push (inf);
}
+Engraver_void_function_engraver_grob_info
+generic_get_acknowledger (SCM sym, Array<Acknowledge_information> const *ack_array)
+{
+ for (int i = 0; i < ack_array->size (); i++)
+ {
+ if (ack_array->elem (i).symbol_ == sym)
+ return ack_array->elem (i).function_;
+ }
+ return 0;
+}
-IMPLEMENT_SMOBS (Translator);
-IMPLEMENT_DEFAULT_EQUAL_P (Translator);
+ADD_TRANSLATOR (Translator,
+ "Base class. Unused",
+ "",
+ "",
+ "",
+ "");