X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftranslator-group.cc;h=d7036957d73512caa575917e3fcc5b3478810e5f;hb=fe2ea684b9dcdd98146d608a43e27acc881ff3cd;hp=48384af09fef845392f862794aabd20f2c155487;hpb=8d7a55721e3305f745c0b24c367de002dd197825;p=lilypond.git diff --git a/lily/translator-group.cc b/lily/translator-group.cc index 48384af09f..d7036957d7 100644 --- a/lily/translator-group.cc +++ b/lily/translator-group.cc @@ -3,448 +3,134 @@ source file of the GNU LilyPond music typesetter - (c) 1997--2002 Han-Wen Nienhuys + (c) 1997--2004 Han-Wen Nienhuys */ -#include "music-output-def.hh" +#include "output-def.hh" #include "translator-group.hh" #include "translator.hh" -#include "debug.hh" +#include "warn.hh" #include "moment.hh" #include "scm-hash.hh" -#include "translator-def.hh" +#include "context-def.hh" +#include "context.hh" #include "main.hh" +#include "music.hh" -Translator_group::Translator_group (Translator_group const&s) - : Translator (s) -{ - iterator_count_ =0; - - Scheme_hash_table * tab = new Scheme_hash_table (*s.properties_dict ()); - properties_scm_ = tab->self_scm (); - scm_gc_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 ()); -} - - -Translator_group::Translator_group () -{ - iterator_count_ = 0; - Scheme_hash_table *tab = new Scheme_hash_table ; - properties_scm_ = tab->self_scm (); - - scm_gc_unprotect_object (tab->self_scm ()); -} - -void -Translator_group::check_removal () -{ - SCM next = SCM_EOL; - for (SCM p = trans_group_list_; gh_pair_p (p); p = next) - { - next = ly_cdr (p); - - Translator_group *trg = dynamic_cast (unsmob_translator (ly_car (p))); - - trg->check_removal (); - if (trg->removable_b ()) - terminate_translator (trg); - } -} - -SCM -Translator_group::add_translator (SCM list, Translator *t) +Translator_group* +Translator_group::get_daddy_translator () const { - /* - 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_; - - return list; + return context ()->get_parent_context ()->implementation (); } void -Translator_group::add_used_group_translator (Translator *t) +translator_each (SCM list, Translator_method method) { - trans_group_list_ = add_translator (trans_group_list_,t); + for (SCM p = list; ly_c_pair_p (p); p = ly_cdr (p)) + (unsmob_translator (ly_car (p))->*method) (); } void -Translator_group::add_fresh_group_translator (Translator*t) +Translator_group::initialize () { - Translator_group*tg = dynamic_cast (t); - assert (tg); - - trans_group_list_ = add_translator (trans_group_list_,t); - unsmob_translator_def (tg->definition_)->apply_property_operations (tg); - t->initialize (); - + SCM tab = scm_make_vector (scm_int2num (19), SCM_BOOL_F); + context ()->set_property ("acceptHashTable", tab); } bool -Translator_group::removable_b () const +translator_accepts_any_of (Translator*tr, SCM ifaces) { - return trans_group_list_ == SCM_EOL && ! iterator_count_; + SCM ack_ifs = scm_assoc (ly_symbol2scm ("events-accepted"), + tr->translator_description ()); + ack_ifs = ly_cdr (ack_ifs); + for (SCM s = ifaces; ly_c_pair_p (s); s = ly_cdr (s)) + if (scm_c_memq (ly_car (s), ack_ifs) != SCM_BOOL_F) + return true; + return false; } -Translator_group * -Translator_group::find_existing_translator_l (String n, String id) -{ - if (is_alias_b (n) && (id_str_ == id || id.empty_b ())) - return this; - - Translator_group* r = 0; - for (SCM p = trans_group_list_; !r && gh_pair_p (p); p = ly_cdr (p)) - { - Translator * t = unsmob_translator (ly_car (p)); - - r = dynamic_cast (t)->find_existing_translator_l (n, id); - } - - return r; -} - - - - -Translator_group* -Translator_group::find_create_translator_l (String n, String id) +SCM +find_accept_translators (SCM gravlist, SCM ifaces) { - Translator_group * existing = find_existing_translator_l (n,id); - if (existing) - return existing; - - Link_array path - = unsmob_translator_def (definition_)->path_to_acceptable_translator (ly_str02scm ((char*)n.ch_C ()), output_def_l ()); - - if (path.size ()) - { - Translator_group * current = this; - - // 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_); - - if (i == path.size () -1) - new_group->id_str_ = id; - current->add_fresh_group_translator (new_group); - current = new_group; - } - - return current; - } - - Translator_group *ret = 0; - if (daddy_trans_l_) - ret = daddy_trans_l_->find_create_translator_l (n,id); - else + SCM l = SCM_EOL; + for (SCM s = gravlist; ly_c_pair_p (s); s = ly_cdr (s)) { - warning (_f ("can't find or create `%s' called `%s'", n, id)); - ret =0; + Translator* tr = unsmob_translator (ly_car (s)); + if (translator_accepts_any_of (tr, ifaces)) + l = scm_cons (tr->self_scm (), l); } - return ret; -} + l = scm_reverse_x (l, SCM_EOL); -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; + return l; } bool 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); - return hebbes_b ; -} + SCM tab = get_property ("acceptHashTable"); + SCM name = scm_sloppy_assq (ly_symbol2scm ("name"), + m->get_property_alist (false)); -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) -{ - if (!level || !daddy_trans_l_) - return this; - - return daddy_trans_l_->ancestor_l (level-1); -} - -void -Translator_group::terminate_translator (Translator*r_l) -{ - r_l->removal_processing (); - /* - Return value ignored. GC does the rest. - */ - remove_translator_p (r_l); -} - - -/** - Remove a translator from the hierarchy. - */ -Translator * -Translator_group::remove_translator_p (Translator*trans_l) -{ - assert (trans_l); - - trans_group_list_ = scm_delq_x (trans_l->self_scm (), trans_group_list_); - trans_l->daddy_trans_l_ = 0; - return trans_l; -} - -bool -Translator_group::is_bottom_translator_b () const -{ - return !gh_string_p (unsmob_translator_def (definition_)->default_child_context_name ()); - -} + if (!ly_c_pair_p (name)) + return false; -Translator_group* -Translator_group::get_default_interpreter () -{ - if (!is_bottom_translator_b ()) + name = ly_cdr (name); + SCM accept_list = scm_hashq_ref (tab, name, SCM_UNDEFINED); + if (accept_list == SCM_BOOL_F) { - 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'", ly_scm2string (nm).ch_C ())); - t = unsmob_translator_def (this->definition_); - } - Translator_group *tg = t->instantiate (output_def_l_); - add_fresh_group_translator (tg); - - if (!tg->is_bottom_translator_b ()) - return tg->get_default_interpreter (); - else - return tg; + accept_list = find_accept_translators (get_simple_trans_list (), + m->get_property ("types")); + scm_hashq_set_x (tab, name, accept_list); } - return this; -} - -static void -static_each (SCM list, Method_pointer 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 (trans_group_list_, method); -} - -/* - PROPERTIES - */ -Translator_group* -Translator_group::where_defined (SCM sym) const -{ - if (properties_dict ()->elem_b (sym)) + for (SCM p = accept_list; ly_c_pair_p (p); p = ly_cdr (p)) { - return (Translator_group*)this; + Translator * t = unsmob_translator (ly_car (p)); + if (t && t->try_music (m)) + return true; } - - return (daddy_trans_l_) ? daddy_trans_l_->where_defined (sym) : 0; + return false; } -/* - return SCM_EOL when not found. -*/ -SCM -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_->internal_get_property (sym); - - return val; -} -void -Translator_group::internal_set_property (SCM sym, SCM val) +SCM +Translator_group::get_simple_trans_list () { -#ifndef NDEBUG - if (internal_type_checking_global_b) - assert (type_check_assignment (sym, val, ly_symbol2scm ("backend-type?"))); -#endif - - properties_dict ()->set (sym, val); + return simple_trans_list_; } -/* - TODO: look up to check whether we have inherited var? - */ void -Translator_group::unset_property (SCM sym) +recurse_over_translators (Context * c, Translator_method ptr, Direction dir) { - properties_dict ()->remove (sym); -} + Translator_group * tg + = dynamic_cast (c->implementation ()); -/* - 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)) + /* + Top down: + */ + if (dir == DOWN) { - if (val != SCM_UNDEFINED) - { - SCM prev = internal_get_property (prop); - - if (gh_pair_p (prev) || prev == SCM_EOL) - { - bool ok = type_check_assignment (eltprop, val, ly_symbol2scm ("backend-type?")); - - if (ok) - { - prev = gh_cons (gh_cons (eltprop, val), prev); - internal_set_property (prop, prev); - } - } - else - { - // warning here. - } - - } - else - { - SCM prev = internal_get_property (prop); + translator_each (tg->get_simple_trans_list (), + ptr); - SCM newprops= SCM_EOL ; - while (gh_pair_p (prev) && ly_caar (prev) != eltprop) - { - newprops = gh_cons (ly_car (prev), newprops); - prev = ly_cdr (prev); - } - - if (gh_pair_p (prev)) - { - newprops = scm_reverse_x (newprops, ly_cdr (prev)); - internal_set_property (prop, newprops); - } - } + (tg->*ptr) (); } -} - - - - -/* - STUBS -*/ -void -Translator_group::stop_translation_timestep () -{ - each (&Translator::stop_translation_timestep); -} - -void -Translator_group::start_translation_timestep () -{ - each (&Translator::start_translation_timestep); -} - -void -Translator_group::do_announces () -{ - each (&Translator::announces); -} - -void -Translator_group::initialize () -{ - each (&Translator::initialize); -} - -void -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 (t); - if (!t || !tr) + for (SCM s = c->children_contexts () ; ly_c_pair_p (s); + s =ly_cdr (s)) { - /* programming_error? */ - warning (_ ("ly-get-trans-property: expecting a Translator_group argument")); - return SCM_EOL; + recurse_over_translators (unsmob_context (ly_car (s)), ptr, dir); } - 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 (t); - if (tr) + if (dir == UP) { - tr->internal_set_property (name, val); - } - return SCM_UNSPECIFIED; -} - - + translator_each (tg->get_simple_trans_list (), + ptr); - -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); + (tg->*ptr) (); + } } - -ADD_SCM_INIT_FUNC (trans_scm, add_trans_scm_funcs); -