X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftranslator-group.cc;h=081cd8611359d2f894f31b1beee27a18b37b834d;hb=5eedf005834d8d3fdc64aee2554a9936c3ef1f57;hp=503f2a7b47cb75f8ca7633daf2dc986be01b110d;hpb=b9fc4bb5b3ce7d75e7e5284352eeaa04bbe78e14;p=lilypond.git diff --git a/lily/translator-group.cc b/lily/translator-group.cc index 503f2a7b47..081cd86113 100644 --- a/lily/translator-group.cc +++ b/lily/translator-group.cc @@ -1,413 +1,49 @@ /* - Translator_group.cc -- implement Translator_group + translator-group.cc -- implement Translator_group source file of the GNU LilyPond music typesetter - (c) 1997--2003 Han-Wen Nienhuys + (c) 1997--2005 Han-Wen Nienhuys */ -#include "music-output-def.hh" #include "translator-group.hh" -#include "translator.hh" + +#include "output-def.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 (is_removable ()); -} - - -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->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_ = this; - t->output_def_ = output_def_; - - return list; -} - - -void -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 (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::is_removable () const -{ - return trans_group_list_ == SCM_EOL && ! iterator_count_; -} - Translator_group * -Translator_group::find_existing_translator (SCM n, String id) -{ - 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 = ly_cdr (p)) - { - Translator * t = unsmob_translator (ly_car (p)); - - r = dynamic_cast (t)->find_existing_translator (n, id); } - - return r; -} - - -Translator_group* -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 path - = unsmob_context_def (definition_)->path_to_acceptable_translator (n, get_output_def ()); - - 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++) - { - 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; - } - - current->add_fresh_group_translator (new_group); - apply_property_operations (new_group, ops); - - current = new_group; - } - - return current; - } - - Translator_group *ret = 0; - if (daddy_trans_) - ret = daddy_trans_->find_create_translator (n, id, operations); - else - { - warning (_f ("can't find or create `%s' called `%s'", ly_symbol2string (n).to_str0 (), id)); - ret =0; - } - return ret; -} - -bool -Translator_group::try_music (Music* m) -{ - bool hebbes_b = try_music_on_nongroup_children (m); - - if (!hebbes_b && daddy_trans_) - hebbes_b = daddy_trans_->try_music (m); - - return hebbes_b ; -} - -int -Translator_group::get_depth () const -{ - return (daddy_trans_) ? daddy_trans_->get_depth () + 1 : 0; -} - -void -Translator_group::terminate_translator (Translator*r) -{ - r->finalize (); - /* - Return value ignored. GC does the rest. - */ - remove_translator (r); -} - - -/** - Remove a translator from the hierarchy. - */ -Translator * -Translator_group::remove_translator (Translator*trans) -{ - assert (trans); - - 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 -{ - return !gh_symbol_p (unsmob_context_def (definition_)->default_child_context_name ()); -} - -Translator_group* -Translator_group::get_default_interpreter () -{ - if (!is_bottom_translator_b ()) - { - SCM nm = unsmob_context_def (definition_)->default_child_context_name (); - SCM st = get_output_def ()->find_translator (nm); - - Context_def *t = unsmob_context_def (st); - if (!t) - { - 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_, SCM_EOL); - add_fresh_group_translator (tg); - - if (!tg->is_bottom_translator_b ()) - return tg->get_default_interpreter (); - else - return tg; - } - 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 (get_simple_trans_list (), method); - static_each (trans_group_list_, method); -} - - -/* - PROPERTIES - */ -Translator_group* -Translator_group::where_defined (SCM sym) const -{ - if (properties_dict ()->contains (sym)) - { - return (Translator_group*)this; - } - - return (daddy_trans_) ? daddy_trans_->where_defined (sym) : 0; -} - -/* - 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_) - return daddy_trans_->internal_get_property (sym); - - return val; -} - -void -Translator_group::internal_set_property (SCM sym, SCM 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::unset_property (SCM sym) -{ - 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_pushpop_property (SCM prop, SCM eltprop, SCM val) -{ - if (gh_symbol_p (prop)) - { - 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); - - /* - TODO: should have scm_equal_something () for reverting - autobeam properties. - */ - SCM newprops= SCM_EOL ; - while (gh_pair_p (prev) && !SCM_EQ_P(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); - } - } - } -} - - - -/* - STUBS -*/ -void -Translator_group::stop_translation_timestep () +Translator_group::get_daddy_translator () const { - each (&Translator::stop_translation_timestep); + return context ()->get_parent_context ()->implementation (); } void -Translator_group::start_translation_timestep () +translator_each (SCM list, Translator_method method) { - each (&Translator::start_translation_timestep); -} - -void -Translator_group::do_announces () -{ - each (&Translator::do_announces); + for (SCM p = list; scm_is_pair (p); p = scm_cdr (p)) + (unsmob_translator (scm_car (p))->*method) (); } 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::finalize); + SCM tab = scm_make_vector (scm_int2num (19), SCM_BOOL_F); + context ()->set_property ("acceptHashTable", tab); } bool -translator_accepts_any_of (Translator*tr, SCM ifaces) +translator_accepts_any_of (Translator *tr, SCM ifaces) { 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) + tr->translator_description ()); + ack_ifs = scm_cdr (ack_ifs); + for (SCM s = ifaces; scm_is_pair (s); s = scm_cdr (s)) + if (scm_c_memq (scm_car (s), ack_ifs) != SCM_BOOL_F) return true; return false; } @@ -416,11 +52,11 @@ SCM find_accept_translators (SCM gravlist, SCM ifaces) { SCM l = SCM_EOL; - for (SCM s = gravlist; ly_pair_p (s); s = ly_cdr (s)) + for (SCM s = gravlist; scm_is_pair (s); s = scm_cdr (s)) { - Translator* tr = unsmob_translator (ly_car (s)); + Translator *tr = unsmob_translator (scm_car (s)); if (translator_accepts_any_of (tr, ifaces)) - l = scm_cons (tr->self_scm (), l); + l = scm_cons (tr->self_scm (), l); } l = scm_reverse_x (l, SCM_EOL); @@ -428,27 +64,27 @@ find_accept_translators (SCM gravlist, SCM ifaces) } bool -Translator_group::try_music_on_nongroup_children (Music *m ) +Translator_group::try_music (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)) + if (!scm_is_pair (name)) return false; - name = gh_cdr (name); + name = scm_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")); + m->get_property ("types")); scm_hashq_set_x (tab, name, accept_list); } - for (SCM p = accept_list; gh_pair_p (p); p = ly_cdr (p)) + for (SCM p = accept_list; scm_is_pair (p); p = scm_cdr (p)) { - Translator * t = unsmob_translator (ly_car (p)); + Translator *t = unsmob_translator (scm_car (p)); if (t && t->try_music (m)) return true; } @@ -456,105 +92,50 @@ Translator_group::try_music_on_nongroup_children (Music *m ) } SCM -Translator_group::properties_as_alist () const -{ - return properties_dict()->to_alist(); -} - -String -Translator_group::context_name () const +Translator_group::get_simple_trans_list () { - Context_def * td = unsmob_context_def (definition_ ); - return ly_symbol2string (td->get_context_name ()); + return simple_trans_list_; } -/* - PRE_INIT_OPS is in the order specified, and hence must be reversed. - */ void -apply_property_operations (Translator_group*tg, SCM pre_init_ops) +recurse_over_translators (Context *c, Translator_method ptr, Direction dir) { - SCM correct_order = scm_reverse (pre_init_ops); - for (SCM s = correct_order; gh_pair_p (s); s = ly_cdr (s)) + Translator_group *tg + = dynamic_cast (c->implementation ()); + + /* + Top down: + */ + if (dir == DOWN) { - 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; + translator_each (tg->get_simple_trans_list (), + ptr); - 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)); - } + (tg->*ptr) (); } -} -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)) + for (SCM s = c->children_contexts (); scm_is_pair (s); + s = scm_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); + recurse_over_translators (unsmob_context (scm_car (s)), ptr, dir); + } - tr->daddy_trans_ = tg; - tr->output_def_ = tg->output_def_; + if (dir == UP) + { + translator_each (tg->get_simple_trans_list (), + ptr); - scm_gc_unprotect_object (str); - } + (tg->*ptr) (); } - return l; } - -SCM -Translator_group::get_simple_trans_list () +Translator_group::Translator_group () { - return simple_trans_list_; - + simple_trans_list_ = SCM_EOL; } - - -#if 0 -SCM -Translator_group::get_simple_trans_list () +void +Translator_group::derived_mark () const { - 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_; + scm_gc_mark (simple_trans_list_); } -#endif