X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftranslator-group.cc;h=c05c6226f9201b896bce152306f0a662abff448d;hb=a7f82e4dc22fc6219a9fe0f6874f8c91e3f31f24;hp=6dbe4eb65c5037953f79bfc34a8aa0fa8eea633c;hpb=92b42d1e577d7c34248fe27534c3eefa1756233f;p=lilypond.git diff --git a/lily/translator-group.cc b/lily/translator-group.cc index 6dbe4eb65c..c05c6226f9 100644 --- a/lily/translator-group.cc +++ b/lily/translator-group.cc @@ -1,460 +1,254 @@ /* - 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 (removable_b ()); -} - -Translator_group::Translator_group () +Translator_group * +Translator_group::get_daddy_translator () const { - iterator_count_ = 0; - Scheme_hash_table *tab = new Scheme_hash_table ; - properties_scm_ = tab->self_scm (); - - scm_gc_unprotect_object (tab->self_scm ()); + return context ()->get_parent_context ()->implementation (); } void -Translator_group::check_removal () +translator_each (SCM list, Translator_method method) { - 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); - } + for (SCM p = list; scm_is_pair (p); p = scm_cdr (p)) + (unsmob_translator (scm_car (p))->*method) (); } -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) +Translator_group::initialize () { - trans_group_list_ = add_translator (trans_group_list_,t); -} + precompute_method_bindings (); + SCM tab = scm_make_vector (scm_int2num (19), SCM_BOOL_F); + context ()->set_property ("acceptHashTable", tab); +} void -Translator_group::add_fresh_group_translator (Translator*t) +Translator_group::finalize () { - 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 (); - } - 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 = 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; } -Translator_group * -Translator_group::find_existing_translator (String n, String id) +SCM +find_accept_translators (SCM gravlist, SCM ifaces) { - if ((is_alias_b (n) && (id_string_ == id || id.empty_b ())) || n == "Current") - return this; - - Translator_group* r = 0; - for (SCM p = trans_group_list_; !r && gh_pair_p (p); p = ly_cdr (p)) + SCM l = SCM_EOL; + for (SCM s = gravlist; scm_is_pair (s); s = scm_cdr (s)) { - Translator * t = unsmob_translator (ly_car (p)); - - r = dynamic_cast (t)->find_existing_translator (n, id); + Translator *tr = unsmob_translator (scm_car (s)); + if (translator_accepts_any_of (tr, ifaces)) + l = scm_cons (tr->self_scm (), l); } + l = scm_reverse_x (l, SCM_EOL); - return r; + return l; } - -Translator_group* -Translator_group::find_create_translator (String n, String id) +bool +Translator_group::try_music (Music *m) { - Translator_group * existing = find_existing_translator (n,id); - if (existing) - return existing; + SCM tab = context ()->get_property ("acceptHashTable"); + SCM name = scm_sloppy_assq (ly_symbol2scm ("name"), + m->get_property_alist (false)); - Link_array path - = unsmob_translator_def (definition_)->path_to_acceptable_translator (scm_makfrom0str ((char*)n.to_str0 ()), get_output_def ()); + if (!scm_is_pair (name)) + return false; - if (path.size ()) + name = scm_cdr (name); + SCM accept_list = scm_hashq_ref (tab, name, SCM_UNDEFINED); + if (accept_list == SCM_BOOL_F) { - 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_); - - if (i == path.size () -1) - new_group->id_string_ = id; - current->add_fresh_group_translator (new_group); - current = new_group; - } - - return current; + accept_list = find_accept_translators (get_simple_trans_list (), + m->get_property ("types")); + scm_hashq_set_x (tab, name, accept_list); } - Translator_group *ret = 0; - if (daddy_trans_) - ret = daddy_trans_->find_create_translator (n,id); - else + for (SCM p = accept_list; scm_is_pair (p); p = scm_cdr (p)) { - warning (_f ("can't find or create `%s' called `%s'", n, id)); - ret =0; + Translator *t = unsmob_translator (scm_car (p)); + if (t && t->try_music (m)) + return true; } - 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; + return false; } -Translator_group* -Translator_group::get_ancestor (int level) +SCM +Translator_group::get_simple_trans_list () { - if (!level || !daddy_trans_) - return this; - - return daddy_trans_->get_ancestor (level-1); + return simple_trans_list_; } + void -Translator_group::terminate_translator (Translator*r) -{ - r->removal_processing (); - /* - 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_string_p (unsmob_translator_def (definition_)->default_child_context_name ()); -} - -Translator_group* -Translator_group::get_default_interpreter () +precomputed_recurse_over_translators (Context *c, Translator_precompute_index idx, Direction dir) { - if (!is_bottom_translator_b ()) + Translator_group *tg + = dynamic_cast (c->implementation ()); + + if (dir == DOWN) { - SCM nm = unsmob_translator_def (definition_)->default_child_context_name (); - SCM st = get_output_def ()->find_translator (nm); + tg->precomputed_translator_foreach (idx); + tg->call_precomputed_self_method (idx); + } - Translator_def *t = unsmob_translator_def (st); - if (!t) - { - warning (_f ("can't find or create: `%s'", ly_scm2string (nm).to_str0 ())); - t = unsmob_translator_def (this->definition_); - } - Translator_group *tg = t->instantiate (output_def_); - add_fresh_group_translator (tg); + for (SCM s = c->children_contexts (); scm_is_pair (s); + s = scm_cdr (s)) + { + precomputed_recurse_over_translators (unsmob_context (scm_car (s)), idx, dir); + } - if (!tg->is_bottom_translator_b ()) - return tg->get_default_interpreter (); - else - return tg; + if (dir == UP) + { + tg->precomputed_translator_foreach (idx); + tg->call_precomputed_self_method (idx); } - 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) +recurse_over_translators (Context *c, Translator_method ptr, Translator_group_method tg_ptr, Direction dir) { - 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)) + Translator_group *tg + = dynamic_cast (c->implementation ()); + + if (dir == DOWN) { - return (Translator_group*)this; + (tg->*tg_ptr) (); + translator_each (tg->get_simple_trans_list (), ptr); } - return (daddy_trans_) ? daddy_trans_->where_defined (sym) : 0; -} + for (SCM s = c->children_contexts (); scm_is_pair (s); + s = scm_cdr (s)) + { + recurse_over_translators (unsmob_context (scm_car (s)), ptr, tg_ptr, dir); + } -/* - 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 (dir == UP) + { + translator_each (tg->get_simple_trans_list (), + ptr); - if (daddy_trans_) - return daddy_trans_->internal_get_property (sym); - - return val; + (tg->*tg_ptr) (); + } } -void -Translator_group::internal_set_property (SCM sym, SCM val) +Translator_group::Translator_group () { -#ifndef NDEBUG - if (internal_type_checking_global_b) - assert (type_check_assignment (sym, val, ly_symbol2scm ("translation-type?"))); -#endif - - properties_dict ()->set (sym, val); + simple_trans_list_ = SCM_EOL; + context_ = 0; + smobify_self (); } -/* - TODO: look up to check whether we have inherited var? - */ void -Translator_group::unset_property (SCM sym) +Translator_group::derived_mark () const { - 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::precompute_method_bindings () { - if (gh_symbol_p (prop)) + for (SCM s = simple_trans_list_; scm_is_pair (s); s = scm_cdr (s)) { - if (val != SCM_UNDEFINED) - { - SCM prev = internal_get_property (prop); + Translator *tr = unsmob_translator (scm_car (s)); + Translator_void_method_ptr ptrs[TRANSLATOR_METHOD_PRECOMPUTE_COUNT]; + tr->fetch_precomputable_methods (ptrs); - 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 + assert (tr); + for (int i = 0; i < TRANSLATOR_METHOD_PRECOMPUTE_COUNT; i++) { - SCM prev = internal_get_property (prop); - - 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)) + if (ptrs[i]) { - newprops = scm_reverse_x (newprops, ly_cdr (prev)); - internal_set_property (prop, newprops); + precomputed_method_bindings_[i].push (Translator_method_binding (tr, ptrs[i])); } } } -} - - - - -/* - STUBS -*/ -void -Translator_group::stop_translation_timestep () -{ - each (&Translator::stop_translation_timestep); + fetch_precomputable_methods (precomputed_self_method_bindings_); } void -Translator_group::start_translation_timestep () +Translator_group::precomputed_translator_foreach (Translator_precompute_index idx) { - each (&Translator::start_translation_timestep); + Array &bindings(precomputed_method_bindings_[idx]); + for (int i = 0; i < bindings.size (); i++) + { + bindings[i].invoke (); + } } void -Translator_group::do_announces () +Translator_group::fetch_precomputable_methods (Translator_group_void_method ptrs[]) { - each (&Translator::do_announces); + for (int i = 0; i < TRANSLATOR_METHOD_PRECOMPUTE_COUNT; i++) + ptrs[i] = 0; } void -Translator_group::initialize () +Translator_group::call_precomputed_self_method (Translator_precompute_index idx) { - SCM tab = scm_make_vector (gh_int2scm (19), SCM_BOOL_F); - set_property ("acceptHashTable", tab); - each (&Translator::initialize); + if (precomputed_self_method_bindings_[idx]) + (*precomputed_self_method_bindings_[idx])(this); } -void -Translator_group::finalize () + +Translator_group::~Translator_group () { - each (&Translator::removal_processing); } +#include "ly-smobs.icc" +IMPLEMENT_SMOBS (Translator_group); +IMPLEMENT_DEFAULT_EQUAL_P (Translator_group); +IMPLEMENT_TYPE_P (Translator_group, "ly:translator-group?"); -bool 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) - return true; - return false; -} -SCM -find_accept_translators (SCM gravlist, SCM ifaces) +int +Translator_group::print_smob (SCM s, SCM port, scm_print_state *) { - 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; + Translator_group *me = (Translator_group *) SCM_CELL_WORD_1 (s); + scm_puts ("#simple_trans_list_, port); + scm_puts (" >", port); + return 1; } -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 (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 +Translator_group::mark_smob (SCM smob) { - return properties_dict()->to_alist(); -} + Translator_group *me = (Translator_group*)SCM_CELL_WORD_1 (smob); + + me->derived_mark (); + return me->simple_trans_list_; +} +