/*
- global-context.cc -- implement Global_context
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1997--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "global-context.hh"
#include "context-def.hh"
#include "dispatcher.hh"
#include "international.hh"
-#include "lilypond-key.hh"
#include "music-iterator.hh"
#include "music.hh"
#include "output-def.hh"
#include "warn.hh"
-Global_context::Global_context (Output_def *o, Object_key *key)
- : Context (new Lilypond_context_key (key,
- Moment (0),
- "Global", "", 0))
+Global_context::Global_context (Output_def *o)
+ : Context ()
{
output_def_ = o;
definition_ = find_context_def (o, ly_symbol2scm ("Global"));
/* We only need the most basic stuff to bootstrap the context tree */
event_source ()->add_listener (GET_LISTENER (create_context_from_event),
- ly_symbol2scm ("CreateContext"));
+ ly_symbol2scm ("CreateContext"));
event_source ()->add_listener (GET_LISTENER (prepare),
- ly_symbol2scm ("Prepare"));
+ ly_symbol2scm ("Prepare"));
events_below ()->register_as_listener (event_source_);
Context_def *globaldef = unsmob_context_def (definition_);
programming_error ("no `Global' context found");
else
globaldef->apply_default_property_operations (this);
+
+ SCM p = get_property ("EventClasses");
+
+ ancestor_lookup_ = scm_make_hash_table (scm_length (p));
+ for (;scm_is_pair (p); p = scm_cdr (p))
+ scm_hashq_set_x (ancestor_lookup_, scm_caar (p), scm_car (p));
+
accepts_list_ = scm_list_1 (ly_symbol2scm ("Score"));
}
else
prev_mom_ = now_mom_;
now_mom_ = *mom;
-
- clear_key_disambiguations ();
}
Moment
Global_context::get_score_context () const
{
return (scm_is_pair (context_list_))
- ? unsmob_context (scm_car (context_list_))
- : 0;
+ ? unsmob_context (scm_car (context_list_))
+ : 0;
}
SCM
Global_context::get_output ()
{
- Context * c = get_score_context ();
+ Context *c = get_score_context ();
if (c)
return c->get_property ("output");
else
Moment w;
w.set_infinite (1);
if (iter->ok ())
- w = iter->pending_moment ();
+ w = iter->pending_moment ();
w = sneaky_insert_extra_moment (w);
if (w.main_part_.is_infinity () || w > final_mom)
- break;
+ break;
if (w == prev_mom_)
- {
- programming_error ("Moment is not increasing. Aborting interpretation.");
- break ;
- }
+ {
+ programming_error ("Moment is not increasing. Aborting interpretation.");
+ break;
+ }
-
if (first)
- {
- /*
- Need this to get grace notes at start of a piece correct.
- */
- first = false;
- set_property ("measurePosition", w.smobbed_copy ());
- }
+ {
+ /*
+ Need this to get grace notes at start of a piece correct.
+ */
+ first = false;
+ set_property ("measurePosition", w.smobbed_copy ());
+ }
send_stream_event (this, "Prepare", 0,
- ly_symbol2scm ("moment"), w.smobbed_copy ());
+ ly_symbol2scm ("moment"), w.smobbed_copy ());
if (iter->ok ())
- iter->process (w);
+ iter->process (w);
send_stream_event (this, "OneTimeStep", 0, 0);
apply_finalizations ();
}
Context *
-Global_context::get_default_interpreter ()
+Global_context::get_default_interpreter (string /* context_id */)
{
if (get_score_context ())
return get_score_context ()->get_default_interpreter ();
else
return Context::get_default_interpreter ();
}
+
+Global_context *
+unsmob_global_context (SCM x)
+{
+ return dynamic_cast<Global_context *> (unsmob_context (x));
+}