/*
- global-translator.cc -- implement global_context
+ global-context.cc -- implement Global_context
source file of the GNU LilyPond music typesetter
- (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
-#include <stdio.h>
-#include "warn.hh"
-#include "music.hh"
-#include "event.hh"
-#include "music-list.hh"
-#include "music-iterator.hh"
#include "global-context.hh"
-#include "score-context.hh"
+
+#include <cstdio>
+using namespace std;
+
#include "context-def.hh"
-#include "music-output-def.hh"
+#include "international.hh"
+#include "lilypond-key.hh"
+#include "music-iterator.hh"
+#include "music.hh"
+#include "output-def.hh"
+#include "score-context.hh"
+#include "warn.hh"
-Global_context::Global_context (Music_output_def*o)
+Global_context::Global_context (Output_def *o, Moment final, Object_key *key)
+ : Context (new Lilypond_context_key (key,
+ Moment (0),
+ "Global", "", 0))
{
output_def_ = o;
- definition_ = o->find_context_def (ly_symbol2scm ("Global"));
- unsmob_context_def (definition_)->apply_default_property_operations (this);
-
+ final_mom_ = final;
+ definition_ = find_context_def (o, ly_symbol2scm ("Global"));
+ unique_count_ = 0;
+ unique_ = 0;
+
+ Context_def *globaldef = unsmob_context_def (definition_);
+ if (!globaldef)
+ programming_error ("no `Global' context found");
+ else
+ globaldef->apply_default_property_operations (this);
+ accepts_list_ = scm_list_1 (ly_symbol2scm ("Score"));
}
-Music_output_def*
+Output_def *
Global_context::get_output_def () const
{
return output_def_;
void
Global_context::add_moment_to_process (Moment m)
{
- if (m > final_mom_)
+ if (m > final_mom_)
return;
if (m < now_mom_)
- programming_error ("Trying to freeze in time.");
-
- for (int i=0; i < extra_mom_pq_.size (); i++)
+ programming_error ("trying to freeze in time");
+
+ for (vsize i = 0; i < extra_mom_pq_.size (); i++)
if (extra_mom_pq_[i] == m)
return;
extra_mom_pq_.insert (m);
void
Global_context::prepare (Moment m)
{
- prev_mom_ = now_mom_;
+ prev_mom_ = now_mom_;
now_mom_ = m;
+ clear_key_disambiguations ();
if (get_score_context ())
get_score_context ()->prepare (m);
}
return now_mom_;
}
-Score_context*
+Score_context *
Global_context::get_score_context () const
{
- return (gh_pair_p (context_list_))
- ? dynamic_cast<Score_context*> (unsmob_context (gh_car (context_list_)))
+ return (scm_is_pair (context_list_))
+ ? dynamic_cast<Score_context *> (unsmob_context (scm_car (context_list_)))
: 0;
}
-Music_output*
+SCM
Global_context::get_output ()
{
return get_score_context ()->get_output ();
}
void
-Global_context::run_iterator_on_me (Music_iterator * iter)
+Global_context::run_iterator_on_me (Music_iterator *iter)
{
- if (iter-> ok ())
+ if (iter->ok ())
prev_mom_ = now_mom_ = iter->pending_moment ();
bool first = true;
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 ())
- break ;
-
-#if 0
- // printf ("proccing %s\n ", w.to_string ().to_str0 ());
+ break;
+
if (first)
{
/*
- Huh?
- */
+ Need this to get grace notes at start of a piece correct.
+ */
+ first = false;
set_property ("measurePosition", w.smobbed_copy ());
}
-#endif
-
+
prepare (w);
if (iter->ok ())
iter->process (w);
- if (!get_score_context ())
+ if (!get_score_context ())
{
- SCM key = ly_symbol2scm ("Score");
- Context_def * t = unsmob_context_def (get_output_def ()
- ->find_context_def (key));
+ SCM sym = ly_symbol2scm ("Score");
+ Context_def *t = unsmob_context_def (find_context_def (get_output_def (),
+ sym));
if (!t)
error (_f ("can't find `%s' context", "Score"));
-
- add_context (t->instantiate (SCM_EOL));
- Score_context *sc = dynamic_cast<Score_context*> (t);
+ Object_key const *key = get_context_key ("Score", "");
+ Context *c = t->instantiate (SCM_EOL, key);
+ add_context (c);
+
+ Score_context *sc = dynamic_cast<Score_context *> (c);
sc->prepare (w);
}
-
+
one_time_step ();
- first = false;
}
}
Global_context::apply_finalizations ()
{
SCM lst = get_property ("finalizations");
- set_property ("finalizations" , SCM_EOL);
- for (SCM s = lst ; gh_pair_p (s); s = gh_cdr (s))
- {
- scm_primitive_eval (gh_car (s));
- }
+ set_property ("finalizations", SCM_EOL);
+ for (SCM s = lst; scm_is_pair (s); s = scm_cdr (s))
+
+ /* TODO: make safe. */
+ scm_primitive_eval (scm_car (s));
}
-/*
- Add a function to execute before stepping to the next time step.
- */
+/* Add a function to execute before stepping to the next time step. */
void
Global_context::add_finalization (SCM x)
{
SCM lst = get_property ("finalizations");
lst = scm_cons (x, lst);
- set_property ("finalizations" ,lst);
+ set_property ("finalizations", lst);
+}
+
+Moment
+Global_context::previous_moment () const
+{
+ return prev_mom_;
+}
+
+Context *
+Global_context::get_default_interpreter ()
+{
+ if (get_score_context ())
+ return get_score_context ()->get_default_interpreter ();
+ else
+ return Context::get_default_interpreter ();
}
+int
+Global_context::new_unique ()
+{
+ return ++unique_count_;
+}