source file of the GNU LilyPond music typesetter
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "music-output-def.hh"
#include "warn.hh"
#include "moment.hh"
#include "scm-hash.hh"
-#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_group::~Translator_group ()
{
- //assert (removable_b ());
+ //assert (is_removable ());
}
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);
}
}
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);
+ 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 (String n, String id)
+Translator_group::find_existing_translator (SCM n, String id)
{
- if (is_alias_b (n) && (id_string_ == id || id.empty_b ()))
+ if ((is_alias (n) && (id_string_ == id || id.is_empty ())) || n == ly_symbol2scm ("Current"))
return this;
Translator_group* r = 0;
{
Translator * t = unsmob_translator (ly_car (p));
- r = dynamic_cast<Translator_group*> (t)->find_existing_translator (n, id);
- }
+ r = dynamic_cast<Translator_group*> (t)->find_existing_translator (n, id); }
return r;
}
-
-
Translator_group*
-Translator_group::find_create_translator (String n, String id)
+Translator_group::find_create_translator (SCM n, String id, SCM operations)
{
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.to_str0 ()), get_output_def ());
+
+ /*
+ 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_);
+ SCM ops = (i == path.size () -1) ? operations : SCM_EOL;
+
+ Translator_group * new_group
+ = path[i]->instantiate (output_def_, ops);
if (i == path.size () -1)
- new_group->id_string_ = id;
+ {
+ new_group->id_string_ = id;
+ }
+
current->add_fresh_group_translator (new_group);
+ apply_property_operations (new_group, ops);
+
current = new_group;
}
Translator_group *ret = 0;
if (daddy_trans_)
- ret = daddy_trans_->find_create_translator (n,id);
+ 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 = ly_cdr (p))
- {
- hebbes_b = unsmob_translator (ly_car (p))->try_music (m);
- }
- return hebbes_b;
-}
-
bool
Translator_group::try_music (Music* m)
{
if (!hebbes_b && daddy_trans_)
hebbes_b = daddy_trans_->try_music (m);
+
return hebbes_b ;
}
return (daddy_trans_) ? daddy_trans_->get_depth () + 1 : 0;
}
-Translator_group*
-Translator_group::get_ancestor (int level)
-{
- if (!level || !daddy_trans_)
- return this;
-
- return daddy_trans_->get_ancestor (level-1);
-}
-
void
Translator_group::terminate_translator (Translator*r)
{
- r->removal_processing ();
+ r->finalize ();
/*
Return value ignored. GC does the rest.
*/
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 ()
{
- if (!is_bottom_translator_b ())
+ if (!is_bottom_context ())
{
- SCM nm = unsmob_translator_def (definition_)->default_child_context_name ();
+ 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).to_str0 ()));
- 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_);
+ 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;
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);
}
Translator_group*
Translator_group::where_defined (SCM sym) const
{
- if (properties_dict ()->elem_b (sym))
+ if (properties_dict ()->contains (sym))
{
return (Translator_group*)this;
}
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))
{
{
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) && ly_caar (prev) != eltprop)
+ while (gh_pair_p (prev) && !SCM_EQ_P(ly_caar (prev), eltprop))
{
newprops = gh_cons (ly_car (prev), newprops);
prev = ly_cdr (prev);
-
-
/*
STUBS
*/
void
Translator_group::initialize ()
{
+ SCM tab = scm_make_vector (gh_int2scm (19), SCM_BOOL_F);
+ set_property ("acceptHashTable", tab);
each (&Translator::initialize);
}
void
Translator_group::finalize ()
{
- each (&Translator::removal_processing);
+ each (&Translator::finalize);
}
-LY_DEFINE(ly_get_context_property,
- "ly-get-context-property", 2, 0, 0,
- (SCM context, SCM name),
- "retrieve the value of @var{sym} from context @var{tr}")
+bool
+translator_accepts_any_of (Translator*tr, SCM ifaces)
{
- 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");
+ 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;
+}
- return tr->internal_get_property (name);
-
+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;
}
-LY_DEFINE(ly_set_context_property,
- "ly-set-context-property", 3, 0, 0,
- (SCM context, SCM name, SCM val),
- "set value of property @var{sym} in context @var{tr} to @var{val}.
-")
+bool
+Translator_group::try_music_on_nongroup_children (Music *m )
{
- Translator *t = unsmob_translator (context);
- Translator_group* tr= dynamic_cast<Translator_group*> (t);
+ SCM tab = get_property ("acceptHashTable");
+ SCM name = scm_sloppy_assq (ly_symbol2scm ("name"),
+ m->get_property_alist (false));
- SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Context");
- tr->internal_set_property (name, val);
+ if (!gh_pair_p (name))
+ return false;
- return SCM_UNSPECIFIED;
+ 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
+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)
+{
+ 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
projects / lilypond.git / blobdiff