source file of the GNU LilyPond music typesetter
- (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "music-output-def.hh"
#include "translator-group.hh"
#include "translator.hh"
-#include "debug.hh"
+#include "warn.hh"
#include "moment.hh"
#include "scm-hash.hh"
-#include "killing-cons.tcc"
-#include "translator-def.hh"
+#include "context-def.hh"
+#include "main.hh"
+#include "music.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 (is_removable ());
}
-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->is_removable ())
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 ();
+ t->daddy_trans_ = this;
+ t->output_def_ = output_def_;
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);
+ trans_group_list_ = add_translator (trans_group_list_,t);
+ Context_def * td = unsmob_context_def (tg->definition_);
+
+ /*
+ this can not move before add_translator(), because \override
+ operations require that we are in the hierarchy.
+ */
+ td->apply_default_property_operations (tg);
+
+ t->initialize ();
+}
bool
-Translator_group::removable_b() const
+Translator_group::is_removable () const
{
return trans_group_list_ == SCM_EOL && ! iterator_count_;
}
Translator_group *
-Translator_group::find_existing_translator_l (String n, String id)
+Translator_group::find_existing_translator (SCM n, String id)
{
- if (is_alias_b (n) && (id_str_ == id || id.empty_b ()))
+ if ((is_alias (n) && (id_string_ == id || id.is_empty ())) || n == ly_symbol2scm ("Current"))
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);
- }
+ r = dynamic_cast<Translator_group*> (t)->find_existing_translator (n, id); }
return r;
}
-
-
Translator_group*
-Translator_group::find_create_translator_l (String n, String id)
+Translator_group::find_create_translator (SCM n, String id, SCM operations)
{
- Translator_group * existing = find_existing_translator_l (n,id);
+ Translator_group * existing = find_existing_translator (n,id);
if (existing)
return existing;
- Link_array<Translator_def> path
- = unsmob_translator_def (definition_)->path_to_acceptable_translator (ly_str02scm ((char*)n.ch_C()), output_def_l ());
+
+ /*
+ TODO: use accepts_list_.
+ */
+ Link_array<Context_def> path
+ = unsmob_context_def (definition_)->path_to_acceptable_translator (n, get_output_def ());
if (path.size ())
{
// start at 1. The first one (index 0) will be us.
for (int i=0; i < path.size (); i++)
{
- Translator_group * new_group = path[i]->instantiate (output_def_l_);
+ SCM ops = (i == path.size () -1) ? operations : SCM_EOL;
+
+ Translator_group * new_group
+ = path[i]->instantiate (output_def_, ops);
- current->add_group_translator (new_group);
+ if (i == path.size () -1)
+ {
+ new_group->id_string_ = id;
+ }
+
+ current->add_fresh_group_translator (new_group);
+ apply_property_operations (new_group, ops);
+
current = new_group;
}
- current->id_str_ = id;
+
return current;
}
Translator_group *ret = 0;
- if (daddy_trans_l_)
- ret = daddy_trans_l_->find_create_translator_l (n,id);
+ if (daddy_trans_)
+ ret = daddy_trans_->find_create_translator (n, id, operations);
else
{
- warning (_f ("can't find or create `%s' called `%s'", n, id));
+ warning (_f ("Cannot find or create `%s' called `%s'",
+ ly_symbol2string (n).to_str0 (), id));
ret =0;
}
return ret;
}
bool
-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))
- {
- hebbes_b = unsmob_translator (gh_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);
- if (!hebbes_b && daddy_trans_l_)
- hebbes_b = daddy_trans_l_->try_music (m);
+ if (!hebbes_b && daddy_trans_)
+ hebbes_b = daddy_trans_->try_music (m);
+
return hebbes_b ;
}
int
-Translator_group::depth_i() const
-{
- return (daddy_trans_l_) ? daddy_trans_l_->depth_i() + 1 : 0;
-}
-
-Translator_group*
-Translator_group::ancestor_l (int level)
+Translator_group::get_depth () const
{
- if (!level || !daddy_trans_l_)
- return this;
-
- return daddy_trans_l_->ancestor_l (level-1);
+ return (daddy_trans_) ? daddy_trans_->get_depth () + 1 : 0;
}
void
-Translator_group::terminate_translator (Translator*r_l)
+Translator_group::terminate_translator (Translator*r)
{
- r_l->removal_processing();
+ r->finalize ();
/*
Return value ignored. GC does the rest.
*/
- remove_translator_p (r_l);
+ remove_translator (r);
}
Remove a translator from the hierarchy.
*/
Translator *
-Translator_group::remove_translator_p (Translator*trans_l)
+Translator_group::remove_translator (Translator*trans)
{
- assert (trans_l);
+ assert (trans);
- trans_group_list_ = scm_delq_x (trans_l->self_scm (), trans_group_list_);
- trans_l->daddy_trans_l_ = 0;
- return trans_l;
+ trans_group_list_ = scm_delq_x (trans->self_scm (), trans_group_list_);
+ trans->daddy_trans_ = 0;
+ return trans;
}
-bool
-Translator_group::is_bottom_translator_b () const
+
+/*
+ Default child context as a SCM string, or something else if there is
+ none.
+*/
+SCM
+default_child_context_name (Translator_group const *tg)
{
- return !gh_string_p (unsmob_translator_def (definition_)->default_child_context_name ());
+ return gh_pair_p (tg->accepts_list_)
+ ? ly_car (scm_last_pair (tg->accepts_list_))
+ : SCM_EOL;
+}
+
+bool
+Translator_group::is_bottom_context () const
+{
+ return !gh_symbol_p (default_child_context_name (this));
}
Translator_group*
-Translator_group::get_default_interpreter()
+Translator_group::get_default_interpreter ()
{
- if (!is_bottom_translator_b ())
+ if (!is_bottom_context ())
{
- SCM nm = unsmob_translator_def (definition_)->default_child_context_name ();
- SCM st = output_def_l ()->find_translator_l (nm);
+ SCM nm = default_child_context_name (this);
+ SCM st = get_output_def ()->find_translator (nm);
- Translator_def *t = unsmob_translator_def (st);
+ Context_def *t = unsmob_context_def (st);
if (!t)
{
- warning (_f ("can't find or create: `%s'", ly_scm2string (nm).ch_C()));
- t = unsmob_translator_def (this->definition_);
+ warning (_f ("can't find or create: `%s'", ly_symbol2string (nm).to_str0 ()));
+ t = unsmob_context_def (this->definition_);
}
- Translator_group *tg = t->instantiate (output_def_l_);
- add_group_translator (tg);
+ Translator_group *tg = t->instantiate (output_def_, SCM_EOL);
+ add_fresh_group_translator (tg);
- if (!tg->is_bottom_translator_b ())
+ if (!tg->is_bottom_context ())
return tg->get_default_interpreter ();
else
return tg;
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::each (Method_pointer method)
{
- static_each (simple_trans_list_, method);
+ static_each (get_simple_trans_list (), method);
static_each (trans_group_list_, 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
*/
Translator_group*
Translator_group::where_defined (SCM sym) const
{
- if (properties_dict ()->elem_b (sym))
+ if (properties_dict ()->contains (sym))
{
return (Translator_group*)this;
}
- return (daddy_trans_l_) ? daddy_trans_l_->where_defined (sym) : 0;
+ return (daddy_trans_) ? daddy_trans_->where_defined (sym) : 0;
}
/*
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_EOL;
if (properties_dict ()->try_retrieve (sym, &val))
return val;
- if (daddy_trans_l_)
- return daddy_trans_l_->get_property (sym);
+ if (daddy_trans_)
+ return daddy_trans_->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)
+Translator_group::execute_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);
if (gh_pair_p (prev) || prev == SCM_EOL)
{
- bool ok = true;
+ bool ok = type_check_assignment (eltprop, val, ly_symbol2scm ("backend-type?"));
- SCM errport = scm_current_error_port ();
-
- SCM meta = scm_assoc (ly_symbol2scm ("meta"), prev);
-
- /*
- We're probably in a performer.
- */
- if (!gh_pair_p (meta))
- return;
-
- 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 (val != SCM_EOL
- && 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);
+ /*
+ TODO: should have scm_equal_something () for reverting
+ autobeam properties.
+ */
SCM newprops= SCM_EOL ;
- while (gh_pair_p (prev) && gh_caar (prev) != eltprop)
+ while (gh_pair_p (prev) && !SCM_EQ_P(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::deprecated_process_music ()
+Translator_group::do_announces ()
{
- assert (0);
- each (&Translator::process_music);
+ each (&Translator::do_announces);
}
void
-Translator_group::do_announces ()
+Translator_group::initialize ()
{
- each (&Translator::announces);
+ SCM tab = scm_make_vector (gh_int2scm (19), SCM_BOOL_F);
+ set_property ("acceptHashTable", tab);
+ each (&Translator::initialize);
}
void
-Translator_group::do_creation_processing ()
+Translator_group::finalize ()
+{
+ each (&Translator::finalize);
+}
+
+bool
+translator_accepts_any_of (Translator*tr, SCM ifaces)
{
- each (&Translator::creation_processing);
+ SCM ack_ifs = scm_assoc (ly_symbol2scm ("events-accepted"),
+ tr->translator_description());
+ ack_ifs = gh_cdr (ack_ifs);
+ for (SCM s = ifaces; ly_pair_p (s); s = ly_cdr (s))
+ if (scm_memq (ly_car (s), ack_ifs) != SCM_BOOL_F)
+ return true;
+ return false;
}
+SCM
+find_accept_translators (SCM gravlist, SCM ifaces)
+{
+ SCM l = SCM_EOL;
+ for (SCM s = gravlist; ly_pair_p (s); s = ly_cdr (s))
+ {
+ Translator* tr = unsmob_translator (ly_car (s));
+ if (translator_accepts_any_of (tr, ifaces))
+ l = scm_cons (tr->self_scm (), l);
+ }
+ l = scm_reverse_x (l, SCM_EOL);
+
+ return l;
+}
+
+bool
+Translator_group::try_music_on_nongroup_children (Music *m )
+{
+ SCM tab = get_property ("acceptHashTable");
+ SCM name = scm_sloppy_assq (ly_symbol2scm ("name"),
+ m->get_property_alist (false));
+
+ if (!gh_pair_p (name))
+ return false;
+
+ name = gh_cdr (name);
+ SCM accept_list = scm_hashq_ref (tab, name, SCM_UNDEFINED);
+ if (accept_list == SCM_BOOL_F)
+ {
+ accept_list = find_accept_translators (get_simple_trans_list (),
+ m->get_mus_property ("types"));
+ scm_hashq_set_x (tab, name, accept_list);
+ }
+
+ for (SCM p = accept_list; gh_pair_p (p); p = ly_cdr (p))
+ {
+ Translator * t = unsmob_translator (ly_car (p));
+ if (t && t->try_music (m))
+ return true;
+ }
+ return false;
+}
+
+SCM
+Translator_group::properties_as_alist () const
+{
+ return properties_dict()->to_alist();
+}
+
+String
+Translator_group::context_name () const
+{
+ Context_def * td = unsmob_context_def (definition_ );
+ return ly_symbol2string (td->get_context_name ());
+}
+
+/*
+ PRE_INIT_OPS is in the order specified, and hence must be reversed.
+ */
void
-Translator_group::do_removal_processing ()
+apply_property_operations (Translator_group*tg, SCM pre_init_ops)
+{
+ SCM correct_order = scm_reverse (pre_init_ops);
+ for (SCM s = correct_order; gh_pair_p (s); s = ly_cdr (s))
+ {
+ SCM entry = ly_car (s);
+ SCM type = ly_car (entry);
+ entry = ly_cdr (entry);
+
+ if (type == ly_symbol2scm ("push") || type == ly_symbol2scm ("poppush"))
+ {
+ SCM val = ly_cddr (entry);
+ val = gh_pair_p (val) ? ly_car (val) : SCM_UNDEFINED;
+
+ tg->execute_pushpop_property (ly_car (entry), ly_cadr (entry), val);
+ }
+ else if (type == ly_symbol2scm ("assign"))
+ {
+ tg->internal_set_property (ly_car (entry), ly_cadr (entry));
+ }
+ }
+}
+
+SCM
+names_to_translators (SCM namelist, Translator_group*tg)
{
- each (&Translator::removal_processing);
+ SCM l = SCM_EOL;
+ for (SCM s = namelist; gh_pair_p (s) ; s = ly_cdr (s))
+ {
+ Translator * t = get_translator (ly_car (s));
+ if (!t)
+ warning (_f ("can't find: `%s'", s));
+ else
+ {
+ Translator * tr = t->clone ();
+ SCM str = tr->self_scm ();
+ l = gh_cons (str, l);
+
+ tr->daddy_trans_ = tg;
+ tr->output_def_ = tg->output_def_;
+
+ scm_gc_unprotect_object (str);
+ }
+ }
+ return l;
+}
+
+
+SCM
+Translator_group::get_simple_trans_list ()
+{
+ return simple_trans_list_;
+
+}
+
+
+
+#if 0
+SCM
+Translator_group::get_simple_trans_list ()
+{
+ if (simple_trans_list_ != SCM_BOOL_F)
+ return simple_trans_list_;
+
+ Context_def * td = unsmob_context_def (definition_);
+
+ /*
+ The following cannot work, since start_translation_timestep ()
+ triggers this code, and start_translation_timestep happens before
+ \property Voice.Voice =#'()
+
+ */
+ trans_names = td->get_translator_names (SCM_EOL);
+
+ SCM trans_names = internal_get_property (td->get_context_name ());
+ if (!gh_pair_p (trans_names))
+ {
+ }
+
+ simple_trans_list_ = names_to_translators (trans_names, this);
+
+
+ static_each (simple_trans_list_, &Translator::initialize);
+ return simple_trans_list_;
}
+#endif
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