source file of the GNU LilyPond music typesetter
- (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "music-output-def.hh"
#include "translator-group.hh"
#include "translator.hh"
#include "debug.hh"
-#include "rational.hh"
-#include "dictionary-iter.hh"
-
+#include "moment.hh"
+#include "scm-hash.hh"
#include "killing-cons.tcc"
+#include "translator-def.hh"
Translator_group::Translator_group (Translator_group const&s)
: Translator(s)
{
- consists_str_arr_ = s.consists_str_arr_;
- accepts_str_arr_ = s.accepts_str_arr_;
iterator_count_ =0;
- properties_dict_ = s.properties_dict_;
+
+ Scheme_hash_table * tab = new Scheme_hash_table (*s.properties_dict ());
+ properties_scm_ = tab->self_scm ();
+ scm_unprotect_object (tab->self_scm( ));
+}
+
+Scheme_hash_table*
+Translator_group::properties_dict () const
+{
+ return Scheme_hash_table::unsmob (properties_scm_);
}
Translator_group::~Translator_group ()
{
- assert (removable_b());
- trans_p_list_.junk ();
+
+ //assert (removable_b());
}
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 ());
}
void
Translator_group::check_removal()
{
- Link_array<Translator_group> groups (group_l_arr ());
-
- for (int i =0; i < groups.size(); i++)
+ SCM next = SCM_EOL;
+ for (SCM p = trans_group_list_; gh_pair_p (p); p = next)
{
- groups[i]->check_removal();
- if (groups[i]->removable_b())
- terminate_translator (groups[i]);
- }
-}
-
+ next = gh_cdr (p);
+ Translator_group *trg = dynamic_cast<Translator_group*> (unsmob_translator (gh_car (p)));
+ trg->check_removal ();
+ if (trg->removable_b())
+ terminate_translator (trg);
+ }
+}
-void
-Translator_group::add_translator (Translator *trans_p)
+SCM
+Translator_group::add_translator (SCM list, Translator *t)
{
- trans_p_list_.append (new Killing_cons<Translator> (trans_p,0));
-
- trans_p->daddy_trans_l_ = this;
- trans_p->output_def_l_ = output_def_l_;
- trans_p->add_processing ();
-}
+ 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::set_acceptor (String accepts, bool add)
+Translator_group::add_group_translator (Translator *t)
{
- if (add)
- accepts_str_arr_.push (accepts);
- else
- for (int i=accepts_str_arr_.size (); i--; )
- if (accepts_str_arr_[i] == accepts)
- accepts_str_arr_.del (i);
+ trans_group_list_ = add_translator (trans_group_list_,t);
}
-void
-Translator_group::set_element (String s, bool add)
-{
- if (!get_translator_l (s))
- error ("Program has no such type");
- if (add)
- {
- for (int i=consists_str_arr_.size (); i--; )
- if (consists_str_arr_[i] == s)
- warning (_f("Already contains a `%s\'", s));
-
- consists_str_arr_.push (s);
- }
- else
- for (int i=consists_str_arr_.size (); i--; )
- if (consists_str_arr_[i] == s)
- consists_str_arr_.del (i);
-}
bool
Translator_group::removable_b() const
{
- for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
- {
- if (dynamic_cast <Translator_group *> (p->car_))
- return false;
- }
-
- return !iterator_count_;
+ return trans_group_list_ == SCM_EOL && ! iterator_count_;
}
Translator_group *
if (is_alias_b (n) && (id_str_ == id || id.empty_b ()))
return this;
- Link_array<Translator_group> groups (group_l_arr ());
Translator_group* r = 0;
- for (int i =0; !r && i < groups.size(); i++)
+ for (SCM p = trans_group_list_; !r && gh_pair_p (p); p = gh_cdr (p))
{
- r = groups[i]->find_existing_translator_l (n,id);
+ Translator * t = unsmob_translator (gh_car (p));
+
+ r = dynamic_cast<Translator_group*> (t)->find_existing_translator_l (n, id);
}
return r;
}
-Link_array<Translator_group>
-Translator_group::path_to_acceptable_translator (String type) const
-{
- Link_array<Translator_group> accepted_arr;
- for (int i=0; i < accepts_str_arr_.size (); i++)
- {
- Translator *t = output_def_l ()->find_translator_l (accepts_str_arr_[i]);
- if (!t || !dynamic_cast <Translator_group *> (t))
- continue;
- accepted_arr.push (dynamic_cast <Translator_group *> (t));
- }
-
-
- for (int i=0; i < accepted_arr.size (); i++)
- if (accepted_arr[i]->type_str_ == type)
- {
- Link_array<Translator_group> retval;
- retval.push (accepted_arr[i]);
- return retval;
- }
- Link_array<Translator_group> best_result;
- int best_depth= INT_MAX;
- for (int i=0; i < accepted_arr.size (); i++)
- {
- Translator_group * g = accepted_arr[i];
- Link_array<Translator_group> result
- = g->path_to_acceptable_translator (type);
- if (result.size () && result.size () < best_depth)
- {
- result.insert (g,0);
- best_result = result;
- }
- }
-
- return best_result;
-}
Translator_group*
Translator_group::find_create_translator_l (String n, String id)
if (existing)
return existing;
- Link_array<Translator_group> path = path_to_acceptable_translator (n);
+ Link_array<Translator_def> path
+ = unsmob_translator_def (definition_)->path_to_acceptable_translator (ly_str02scm ((char*)n.ch_C()), output_def_l ());
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 = dynamic_cast<Translator_group*>(path[i]->clone ());
- current->add_translator (new_group);
+ Translator_group * new_group = path[i]->instantiate (output_def_l_);
+
+ current->add_group_translator (new_group);
current = new_group;
}
current->id_str_ = id;
ret = daddy_trans_l_->find_create_translator_l (n,id);
else
{
- warning (_f ("can't find or create `%s\' called `%s\'", n, id));
+ warning (_f ("can't find or create `%s' called `%s'", n, id));
ret =0;
}
return ret;
}
-
bool
-Translator_group::do_try_music (Music* req_l)
+Translator_group::try_music_on_nongroup_children (Music *m)
{
bool hebbes_b =false;
- Link_array<Translator> nongroups (nongroup_l_arr ());
- for (int i =0; !hebbes_b && i < nongroups.size() ; i++)
- hebbes_b =nongroups[i]->try_music (req_l);
+ 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)
+{
+ bool hebbes_b = try_music_on_nongroup_children (m);
+
if (!hebbes_b && daddy_trans_l_)
- hebbes_b = daddy_trans_l_->try_music (req_l);
+ hebbes_b = daddy_trans_l_->try_music (m);
return hebbes_b ;
}
return daddy_trans_l_->ancestor_l (level-1);
}
-Link_array<Translator_group>
-Translator_group::group_l_arr () const
-{
- Link_array<Translator_group> groups;
- for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
- {
- if (dynamic_cast <Translator_group *> (p->car_))
- groups.push (dynamic_cast <Translator_group *> (p->car_));
- }
- return groups;
-}
-
-Link_array<Translator>
-Translator_group::nongroup_l_arr () const
-{
- Link_array<Translator> groups;
- for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
- {
- if (!dynamic_cast <Translator_group *> (p->car_))
- groups.push (p->car_);
- }
- return groups;
-}
-/**
- End translator: call "destructor", remove from hierarchy, and delete
- */
-
void
Translator_group::terminate_translator (Translator*r_l)
{
- DOUT << "Removing " << classname (r_l) << " at " << now_mom () << '\n';
r_l->removal_processing();
- Translator * trans_p =remove_translator_p (r_l);
-
- delete trans_p;
+ /*
+ Return value ignored. GC does the rest.
+ */
+ remove_translator_p (r_l);
}
Translator_group::remove_translator_p (Translator*trans_l)
{
assert (trans_l);
-
- for (Cons<Translator> **pp = &trans_p_list_.head_; *pp; pp = &(*pp)->next_)
- if ((*pp)->car_ == trans_l)
- {
- Cons<Translator> *r = trans_p_list_.remove_cons (pp);
- r->car_ =0;
- trans_l->daddy_trans_l_ =0;
- delete r;
- return trans_l;
- }
- return 0;
+ trans_group_list_ = scm_delq_x (trans_l->self_scm (), trans_group_list_);
+ trans_l->daddy_trans_l_ = 0;
+ return trans_l;
}
-
+#if 0
+/*
+ should not use, instead: use properties to communicate between engravers.
+ */
Translator*
Translator_group::get_simple_translator (String type) const
{
- Link_array<Translator> nongroups (nongroup_l_arr ());
- for (int i=0; i < nongroups.size(); i++)
+ for (SCM p = simple_trans_list_; gh_pair_p (p); p =gh_cdr (p))
{
- if (classname (nongroups[i]) == type)
- return nongroups[i];
+ if (classname (unsmob_translator (gh_car (p))) == type)
+ return unsmob_translator (gh_car (p));
}
if (daddy_trans_l_)
return daddy_trans_l_->get_simple_translator (type);
return 0;
}
-
+#endif
bool
Translator_group::is_bottom_translator_b () const
{
- return !accepts_str_arr_.size ();
-}
-
+ return !gh_string_p (unsmob_translator_def (definition_)->default_child_context_name ());
+}
Translator_group*
Translator_group::get_default_interpreter()
{
- if (accepts_str_arr_.size())
+ if (!is_bottom_translator_b ())
{
- Translator*t = output_def_l ()->find_translator_l (accepts_str_arr_[0]);
+ SCM nm = unsmob_translator_def (definition_)->default_child_context_name ();
+ SCM st = output_def_l ()->find_translator_l (nm);
+
+ Translator_def *t = unsmob_translator_def (st);
if (!t)
{
- warning (_f ("can't find or create `%s\'", accepts_str_arr_[0]));
- t = this;
+ warning (_f ("can't find or create: `%s'", ly_scm2string (nm).ch_C()));
+ t = unsmob_translator_def (this->definition_);
}
- Translator_group * g= dynamic_cast <Translator_group*>(t->clone ());
- add_translator (g);
+ Translator_group *tg = t->instantiate (output_def_l_);
+ add_group_translator (tg);
- if (!g->is_bottom_translator_b ())
- return g->get_default_interpreter ();
+ if (!tg->is_bottom_translator_b ())
+ return tg->get_default_interpreter ();
else
- return g;
+ return tg;
}
return this;
}
-void
-Translator_group::each (Method_pointer method)
+static void
+static_each (SCM list, Method_pointer method)
{
- for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
- (p->car_->*method) ();
+ for (SCM p = list; gh_pair_p (p); p = gh_cdr(p))
+ (unsmob_translator (gh_car (p))->*method) ();
+
}
-
void
-Translator_group::each (Const_method_pointer method) const
+Translator_group::each (Method_pointer method)
{
- for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
- (p->car_->*method) ();
+ static_each (simple_trans_list_, method);
+ static_each (trans_group_list_, method);
}
+
+
void
-Translator_group::do_print() const
+Translator_group::do_add_processing ()
{
-#ifndef NPRINT
- if (!check_debug)
- return ;
- for (Dictionary_iter<Scalar> i (properties_dict_); i.ok (); i++)
- {
- DOUT << i.key () << "=" << i.val () << '\n';
- }
- if (status == ORPHAN)
+ unsmob_translator_def (definition_)->apply_property_operations (this);
+ for (SCM s = simple_trans_list_; gh_pair_p (s) ; s = gh_cdr (s))
{
- DOUT << "consists of: ";
- for (int i=0; i < consists_str_arr_.size (); i++)
- DOUT << consists_str_arr_[i] << ", ";
- DOUT << "\naccepts: ";
- for (int i=0; i < accepts_str_arr_.size (); i++)
- DOUT << accepts_str_arr_[i] << ", ";
+ Translator * t = unsmob_translator (gh_car (s));
+ t->add_processing ();
}
- else
+}
+
+/*
+ PROPERTIES
+ */
+Translator_group*
+Translator_group::where_defined (SCM sym) const
+{
+ if (properties_dict ()->elem_b (sym))
{
- if (id_str_.length_i ())
- DOUT << "ID: " << id_str_ ;
- DOUT << " iterators: " << iterator_count_<< '\n';
+ return (Translator_group*)this;
}
- each (&Translator::print);
-#endif
+
+ return (daddy_trans_l_) ? daddy_trans_l_->where_defined (sym) : 0;
}
-void
-Translator_group::do_pre_move_processing ()
+SCM
+Translator_group::get_property (SCM sym) const
{
- each (&Translator::pre_move_processing);
+ SCM val =SCM_UNDEFINED;
+ if (properties_dict ()->try_retrieve (sym, &val))
+ return val;
+
+ if (daddy_trans_l_)
+ return daddy_trans_l_->get_property (sym);
+
+ return val;
}
void
-Translator_group::do_post_move_processing ()
+Translator_group::set_property (String id, SCM val)
{
- each (&Translator::post_move_processing);
+ set_property (ly_symbol2scm (id.ch_C()), val);
}
void
-Translator_group::do_process_requests ()
+Translator_group::set_property (SCM sym, SCM val)
{
- each (&Translator::process_requests);
+ properties_dict ()->set (sym, val);
}
+/*
+ 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::do_creation_processing ()
+Translator_group::execute_single_pushpop_property (SCM prop, SCM eltprop, SCM val)
{
- each (&Translator::creation_processing);
+ if (gh_symbol_p(prop))
+ {
+ if (val != SCM_UNDEFINED)
+ {
+ SCM prev = 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 ();
+
+ SCM meta = scm_assoc (ly_symbol2scm ("meta"), prev);
+ SCM props = scm_assoc (ly_symbol2scm ("properties"), gh_cdr (meta));
+ SCM propdesc = scm_assoc (eltprop, gh_cdr (props));
+ if (!gh_pair_p (propdesc))
+ {
+ 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
+ {
+
+ SCM predicate = gh_cadr (propdesc);
+ if (gh_call1 (predicate, 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_display (val, errport);
+ scm_puts (_(" must satisfy ").ch_C (), errport);
+ scm_display (predicate, errport);
+ scm_puts ("\n", errport);
+ }
+ }
+
+ if (ok)
+ {
+ prev = gh_cons (gh_cons (eltprop, val), prev);
+ set_property (prop, prev);
+ }
+ }
+ else
+ {
+ // warning here.
+ }
+
+ }
+ else
+ {
+ SCM prev = get_property (prop);
+
+ SCM newprops= SCM_EOL ;
+ while (gh_pair_p (prev) && gh_caar (prev) != eltprop)
+ {
+ newprops = gh_cons (gh_car (prev), newprops);
+ prev = gh_cdr (prev);
+ }
+
+ if (gh_pair_p (prev))
+ {
+ newprops = scm_reverse_x (newprops, gh_cdr (prev));
+ set_property (prop, newprops);
+ }
+ }
+ }
}
+
+
+
+
+/*
+ STUBS
+*/
void
-Translator_group::do_removal_processing ()
+Translator_group::do_pre_move_processing ()
{
- each (&Translator::removal_processing);
+ each (&Translator::pre_move_processing);
}
void
-Translator_group::do_add_processing ()
+Translator_group::do_post_move_processing ()
{
- for (int i=0; i < consists_str_arr_.size(); i++)
- {
- Translator * t = output_def_l ()->find_translator_l (consists_str_arr_[i]);
- if (!t)
- warning (_f ("can't find `%s\'", consists_str_arr_[i]));
- else
- add_translator (t->clone ());
- }
+ each (&Translator::post_move_processing);
}
-Scalar
-Translator_group::get_property (String id,
- Translator_group **where_l) const
+void
+Translator_group::do_process_music ()
{
- if (properties_dict_.elem_b (id))
- {
- if (where_l)
- *where_l = (Translator_group*) this; // ugh
- return properties_dict_[id];
- }
-
- if (daddy_trans_l_)
- return daddy_trans_l_->get_property (id, where_l);
+ each (&Translator::process_music);
+}
- if (where_l)
- *where_l = 0;
- return "";
+void
+Translator_group::do_creation_processing ()
+{
+ each (&Translator::creation_processing);
}
void
-Translator_group::set_property (String id, Scalar val)
+Translator_group::do_removal_processing ()
{
- properties_dict_[id] = val;
+ each (&Translator::removal_processing);
}
projects / lilypond.git / blobdiff