source file of the GNU LilyPond music typesetter
- (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "music-output-def.hh"
#include "debug.hh"
#include "moment.hh"
#include "scm-hash.hh"
-#include "killing-cons.tcc"
#include "translator-def.hh"
+#include "main.hh"
Translator_group::Translator_group (Translator_group const&s)
- : Translator(s)
+ : Translator (s)
{
iterator_count_ =0;
Scheme_hash_table * tab = new Scheme_hash_table (*s.properties_dict ());
properties_scm_ = tab->self_scm ();
- scm_unprotect_object (tab->self_scm( ));
+ scm_gc_unprotect_object (tab->self_scm ());
}
Scheme_hash_table*
Translator_group::~Translator_group ()
{
- //assert (removable_b());
+ //assert (removable_b ());
}
-Translator_group::Translator_group()
+Translator_group::Translator_group ()
{
iterator_count_ = 0;
Scheme_hash_table *tab = new Scheme_hash_table ;
properties_scm_ = tab->self_scm ();
- scm_unprotect_object (tab->self_scm ());
+ scm_gc_unprotect_object (tab->self_scm ());
}
void
-Translator_group::check_removal()
+Translator_group::check_removal ()
{
SCM next = SCM_EOL;
for (SCM p = trans_group_list_; gh_pair_p (p); p = next)
{
- next = gh_cdr (p);
+ next = ly_cdr (p);
- Translator_group *trg = dynamic_cast<Translator_group*> (unsmob_translator (gh_car (p)));
+ Translator_group *trg = dynamic_cast<Translator_group*> (unsmob_translator (ly_car (p)));
trg->check_removal ();
- if (trg->removable_b())
+ if (trg->removable_b ())
terminate_translator (trg);
}
}
-
SCM
Translator_group::add_translator (SCM list, Translator *t)
{
+ /*
+ Must append, since list ordering must be preserved.
+ */
list = gh_append2 (list, gh_cons (t->self_scm (), SCM_EOL));
t->daddy_trans_l_ = this;
t->output_def_l_ = output_def_l_;
- t->add_processing ();
return list;
}
+
+
void
-Translator_group::add_group_translator (Translator *t)
+Translator_group::add_used_group_translator (Translator *t)
{
trans_group_list_ = add_translator (trans_group_list_,t);
}
+void
+Translator_group::add_fresh_group_translator (Translator*t)
+{
+ Translator_group*tg = dynamic_cast<Translator_group*> (t);
+ assert (tg);
+
+ trans_group_list_ = add_translator (trans_group_list_,t);
+ unsmob_translator_def (tg->definition_)->apply_property_operations (tg);
+ t->initialize ();
+
+}
+
bool
-Translator_group::removable_b() const
+Translator_group::removable_b () const
{
return trans_group_list_ == SCM_EOL && ! iterator_count_;
}
return this;
Translator_group* r = 0;
- for (SCM p = trans_group_list_; !r && gh_pair_p (p); p = gh_cdr (p))
+ for (SCM p = trans_group_list_; !r && gh_pair_p (p); p = ly_cdr (p))
{
- Translator * t = unsmob_translator (gh_car (p));
+ Translator * t = unsmob_translator (ly_car (p));
r = dynamic_cast<Translator_group*> (t)->find_existing_translator_l (n, id);
}
return existing;
Link_array<Translator_def> path
- = unsmob_translator_def (definition_)->path_to_acceptable_translator (ly_str02scm ((char*)n.ch_C()), output_def_l ());
+ = unsmob_translator_def (definition_)->path_to_acceptable_translator (ly_str02scm ((char*)n.ch_C ()), output_def_l ());
if (path.size ())
{
{
Translator_group * new_group = path[i]->instantiate (output_def_l_);
- current->add_group_translator (new_group);
+ if (i == path.size () -1)
+ new_group->id_str_ = id;
+ current->add_fresh_group_translator (new_group);
current = new_group;
}
- current->id_str_ = id;
+
return current;
}
Translator_group::try_music_on_nongroup_children (Music *m)
{
bool hebbes_b =false;
-
- for (SCM p = simple_trans_list_; !hebbes_b && gh_pair_p (p); p = gh_cdr (p))
+ for (SCM p = simple_trans_list_; !hebbes_b && gh_pair_p (p); p = ly_cdr (p))
{
- hebbes_b = unsmob_translator (gh_car (p))->try_music (m);
+ hebbes_b = unsmob_translator (ly_car (p))->try_music (m);
}
return hebbes_b;
}
bool
-Translator_group::do_try_music (Music* m)
+Translator_group::try_music (Music* m)
{
bool hebbes_b = try_music_on_nongroup_children (m);
}
int
-Translator_group::depth_i() const
+Translator_group::depth_i () const
{
- return (daddy_trans_l_) ? daddy_trans_l_->depth_i() + 1 : 0;
+ return (daddy_trans_l_) ? daddy_trans_l_->depth_i () + 1 : 0;
}
Translator_group*
void
Translator_group::terminate_translator (Translator*r_l)
{
- r_l->removal_processing();
+ r_l->removal_processing ();
/*
Return value ignored. GC does the rest.
*/
}
Translator_group*
-Translator_group::get_default_interpreter()
+Translator_group::get_default_interpreter ()
{
if (!is_bottom_translator_b ())
{
Translator_def *t = unsmob_translator_def (st);
if (!t)
{
- warning (_f ("can't find or create: `%s'", ly_scm2string (nm).ch_C()));
+ warning (_f ("can't find or create: `%s'", ly_scm2string (nm).ch_C ()));
t = unsmob_translator_def (this->definition_);
}
Translator_group *tg = t->instantiate (output_def_l_);
- add_group_translator (tg);
+ add_fresh_group_translator (tg);
if (!tg->is_bottom_translator_b ())
return tg->get_default_interpreter ();
static void
static_each (SCM list, Method_pointer method)
{
- for (SCM p = list; gh_pair_p (p); p = gh_cdr(p))
- (unsmob_translator (gh_car (p))->*method) ();
+ for (SCM p = list; gh_pair_p (p); p = ly_cdr (p))
+ (unsmob_translator (ly_car (p))->*method) ();
}
}
-
-void
-Translator_group::do_add_processing ()
-{
- unsmob_translator_def (definition_)->apply_property_operations (this);
- for (SCM s = simple_trans_list_; gh_pair_p (s) ; s = gh_cdr (s))
- {
- Translator * t = unsmob_translator (gh_car (s));
- t->add_processing ();
- }
-}
-
/*
PROPERTIES
*/
}
/*
- TODO: return SCM_EOL iso. SCM_UNDEFINED when not found.
+ return SCM_EOL when not found.
*/
SCM
-Translator_group::get_property (SCM sym) const
+Translator_group::internal_get_property (SCM sym) const
{
- SCM val =SCM_UNDEFINED;
+ SCM val =SCM_EOL;
if (properties_dict ()->try_retrieve (sym, &val))
return val;
if (daddy_trans_l_)
- return daddy_trans_l_->get_property (sym);
+ return daddy_trans_l_->internal_get_property (sym);
return val;
}
void
-Translator_group::set_property (String id, SCM val)
+Translator_group::internal_set_property (SCM sym, SCM val)
{
- set_property (ly_symbol2scm (id.ch_C()), val);
+#ifndef NDEBUG
+ if (internal_type_checking_global_b)
+ assert (type_check_assignment (sym, val, ly_symbol2scm ("translation-type?")));
+#endif
+
+ properties_dict ()->set (sym, val);
}
+/*
+ TODO: look up to check whether we have inherited var?
+ */
void
-Translator_group::set_property (SCM sym, SCM val)
+Translator_group::unset_property (SCM sym)
{
- properties_dict ()->set (sym, val);
+ properties_dict ()->remove (sym);
}
+
/*
Push or pop (depending on value of VAL) a single entry (ELTPROP . VAL)
entry from a translator property list by name of PROP
void
Translator_group::execute_single_pushpop_property (SCM prop, SCM eltprop, SCM val)
{
- if (gh_symbol_p(prop))
+ if (gh_symbol_p (prop))
{
if (val != SCM_UNDEFINED)
{
- SCM prev = get_property (prop);
+ SCM prev = internal_get_property (prop);
- /*
- we don't tack onto SCM_UNDEFINED, because it creates
- errors down the line, if we do scm_assoc().
- */
if (gh_pair_p (prev) || prev == SCM_EOL)
{
- bool ok = true;
-
- SCM errport = scm_current_error_port ();
+ bool ok = type_check_assignment (eltprop, val, ly_symbol2scm ("backend-type?"));
- SCM meta = scm_assoc (ly_symbol2scm ("meta"), prev);
- SCM props = scm_assoc (ly_symbol2scm ("properties"), gh_cdr (meta));
- SCM type_p = scm_assoc (eltprop, gh_cdr (props));
- if (!gh_pair_p (type_p))
- {
- scm_puts (_("Couldn't find property description for #'").ch_C(),errport);
- scm_display (eltprop, errport);
-
- scm_puts (_(" in element description ").ch_C(),errport);
- scm_display (prop, errport);
-
- scm_puts (_(". Perhaps you made a typing error?\n").ch_C(),errport);
- }
- else
- {
- type_p = gh_cdr (type_p);
- if (gh_call1 (type_p, val) == SCM_BOOL_F)
- {
- ok = false;
- scm_puts (_("Failed typecheck for #'").ch_C (),errport);
- scm_display (eltprop,errport);
- scm_puts ( _(", value ").ch_C (), errport);
- scm_write (val, errport);
- scm_puts (_(" must be of type ").ch_C (), errport);
- SCM typefunc = scm_eval2 (ly_symbol2scm ("type-name"), SCM_EOL);
- scm_display (gh_call1 (typefunc, type_p), errport);
- scm_puts ("\n", errport);
- }
- }
-
if (ok)
{
prev = gh_cons (gh_cons (eltprop, val), prev);
- set_property (prop, prev);
+ internal_set_property (prop, prev);
}
}
else
}
else
{
- SCM prev = get_property (prop);
+ SCM prev = internal_get_property (prop);
SCM newprops= SCM_EOL ;
- while (gh_pair_p (prev) && gh_caar (prev) != eltprop)
+ while (gh_pair_p (prev) && ly_caar (prev) != eltprop)
{
- newprops = gh_cons (gh_car (prev), newprops);
- prev = gh_cdr (prev);
+ newprops = gh_cons (ly_car (prev), newprops);
+ prev = ly_cdr (prev);
}
if (gh_pair_p (prev))
{
- newprops = scm_reverse_x (newprops, gh_cdr (prev));
- set_property (prop, newprops);
+ newprops = scm_reverse_x (newprops, ly_cdr (prev));
+ internal_set_property (prop, newprops);
}
}
}
STUBS
*/
void
-Translator_group::do_pre_move_processing ()
+Translator_group::stop_translation_timestep ()
{
- each (&Translator::pre_move_processing);
+ each (&Translator::stop_translation_timestep);
}
void
-Translator_group::do_post_move_processing ()
+Translator_group::start_translation_timestep ()
{
- each (&Translator::post_move_processing);
+ each (&Translator::start_translation_timestep);
}
void
-Translator_group::do_process_music ()
+Translator_group::do_announces ()
{
- each (&Translator::process_music);
+ each (&Translator::announces);
}
void
-Translator_group::do_creation_processing ()
+Translator_group::initialize ()
{
- each (&Translator::creation_processing);
+ each (&Translator::initialize);
}
void
-Translator_group::do_removal_processing ()
+Translator_group::finalize ()
{
each (&Translator::removal_processing);
}
+
+
+SCM
+ly_get_trans_property (SCM context, SCM name)
+{
+ Translator *t = unsmob_translator (context);
+ Translator_group* tr= dynamic_cast<Translator_group*> (t);
+ SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Translator group");
+ SCM_ASSERT_TYPE(gh_symbol_p(name), name, SCM_ARG2, __FUNCTION__, "symbol");
+
+ return tr->internal_get_property (name);
+
+}
+SCM
+ly_set_trans_property (SCM context, SCM name, SCM val)
+{
+ Translator *t = unsmob_translator (context);
+ Translator_group* tr= dynamic_cast<Translator_group*> (t);
+
+ SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Translator group");
+ tr->internal_set_property (name, val);
+
+ return SCM_UNSPECIFIED;
+}
+
+
+
+
+void
+add_trans_scm_funcs ()
+{
+ scm_c_define_gsubr ("ly-get-trans-property", 2, 0, 0, (Scheme_function_unknown)ly_get_trans_property);
+ scm_c_define_gsubr ("ly-set-trans-property", 3, 0, 0, (Scheme_function_unknown)ly_set_trans_property);
+}
+
+ADD_SCM_INIT_FUNC (trans_scm, add_trans_scm_funcs);
+
projects / lilypond.git / blobdiff