+/*
+ translator-def.cc -- implement Translator_def
+
+ source file of the GNU LilyPond music typesetter
+
+ (c) 2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+
+ */
+
+#include "lily-proto.hh"
+#include "translator-def.hh"
+#include "translator-group.hh"
+#include "warn.hh"
+#include "music-output-def.hh"
+
+#include "ly-smobs.icc"
+
+int
+Translator_def::print_smob (SCM smob, SCM port, scm_print_state*)
+{
+ Translator_def* me = (Translator_def*) SCM_CELL_WORD_1 (smob);
+
+ scm_puts("#<Translator_def ", port);
+ scm_display (me->type_name_, port);
+ scm_puts (">", port);
+ return 1;
+}
+
+
+SCM
+Translator_def::mark_smob (SCM smob)
+{
+ Translator_def* me = (Translator_def*) SCM_CELL_WORD_1 (smob);
+ scm_gc_mark (me->consists_name_list_);
+ scm_gc_mark (me->accepts_name_list_);
+ scm_gc_mark (me->end_consists_name_list_);
+ scm_gc_mark (me->property_ops_);
+ scm_gc_mark (me->translator_group_type_);
+ return me->type_name_;
+}
+
+SCM push_sym;
+SCM assign_sym;
+
+static void
+foo_init ()
+{
+ push_sym = scm_permanent_object (ly_symbol2scm ("push"));
+ assign_sym = scm_permanent_object (ly_symbol2scm ("assign"));
+}
+
+ADD_SCM_INIT_FUNC(transdef, foo_init);
+
+Translator_def::Translator_def ()
+{
+ translator_group_type_ = SCM_EOL;
+ accepts_name_list_ = SCM_EOL;
+ consists_name_list_ = SCM_EOL;
+ end_consists_name_list_ = SCM_EOL;
+ property_ops_ = SCM_EOL;
+ type_name_ = SCM_EOL;
+}
+Translator_def::~Translator_def ()
+{
+}
+
+Translator_def::Translator_def (Translator_def const & s)
+ : Input (s)
+{
+ consists_name_list_ = scm_list_copy (s.consists_name_list_);
+ end_consists_name_list_ = scm_list_copy (s.end_consists_name_list_);
+ accepts_name_list_ = scm_list_copy (s.accepts_name_list_);
+ property_ops_ = scm_list_copy (s.property_ops_);
+
+ translator_group_type_ = s.translator_group_type_;
+ type_name_ = s.type_name_;
+}
+
+
+
+void
+Translator_def::set_acceptor (SCM name, bool add)
+{
+ if (add)
+ this->accepts_name_list_ = gh_append2 (this->accepts_name_list_, gh_cons (name, SCM_EOL));
+ else
+ this->accepts_name_list_ = scm_delete_x (name, this->accepts_name_list_);
+}
+
+
+SCM
+Translator_def::modify_definition (SCM list, SCM str, bool add)
+{
+ String s = ly_scm2string (str);
+ if (!get_translator_l (s))
+ error (_ ("Program has no such type"));
+
+ if (add)
+ {
+ if (scm_memq (str, list) != SCM_BOOL_F)
+ {
+ warning (_f("Already contains: `%s'", s));
+ warning (_f("Not adding translator: `%s'", s));
+ }
+ else
+ list= gh_cons (str, list);
+ }
+ else
+ {
+ list = scm_delete_x (str, list);
+ }
+ return list;
+}
+
+
+
+void
+Translator_def::remove_element (SCM s)
+{
+ this->end_consists_name_list_ = modify_definition (this->end_consists_name_list_, s, false);
+ this->consists_name_list_ = modify_definition (this->consists_name_list_, s, false);
+}
+
+void
+Translator_def::add_element (SCM s)
+{
+ this->consists_name_list_ = modify_definition (this->consists_name_list_, s, true);
+}
+
+void
+Translator_def::add_last_element (SCM s)
+{
+ this->end_consists_name_list_ = modify_definition (this->end_consists_name_list_, s, true);
+}
+void
+Translator_def::add_push_property (SCM props, SCM syms, SCM vals)
+{
+ this->property_ops_ = gh_cons (gh_list (push_sym, props, syms, vals, SCM_UNDEFINED),
+ this->property_ops_);
+}
+
+void
+Translator_def::add_pop_property (SCM props, SCM syms)
+{
+ this->property_ops_ = gh_cons (gh_list (push_sym, props, syms, SCM_UNDEFINED),
+ this->property_ops_);
+}
+
+/*
+ Do it. SYMS maybe a symbol or a list of symbols. VAL is
+ SCM_UNDEFINED in case of a pop
+*/
+void
+Translator_def::apply_pushpop_property (Translator_group* me,SCM syms, SCM eprop, SCM val)
+{
+ if (gh_symbol_p (syms))
+ dynamic_cast<Translator_group*>(me)->execute_single_pushpop_property (syms, eprop, val);
+ else for (SCM s = syms; gh_pair_p (s); s = gh_cdr (s))
+ dynamic_cast<Translator_group*>(me)->execute_single_pushpop_property (gh_car (s), eprop, val);
+}
+
+
+
+Link_array<Translator_def>
+Translator_def::path_to_acceptable_translator (SCM type_str, Music_output_def* odef) const
+{
+ assert (gh_string_p (type_str));
+
+ Link_array<Translator_def> accepted_arr;
+ for (SCM s = accepts_name_list_; gh_pair_p (s); s = gh_cdr (s))
+ {
+ Translator_def *t = unsmob_translator_def (odef->find_translator_l (gh_car (s)));
+ if (!t)
+ continue;
+ accepted_arr.push (t);
+ }
+
+
+ Link_array<Translator_def> best_result;
+ for (int i=0; i < accepted_arr.size (); i++)
+ if (scm_equal_p (accepted_arr[i]->type_name_, type_str) == SCM_BOOL_T)
+ {
+ best_result.push (accepted_arr[i]);
+ return best_result;
+ }
+
+ int best_depth= INT_MAX;
+ for (int i=0; i < accepted_arr.size (); i++)
+ {
+ Translator_def * g = accepted_arr[i];
+
+ Link_array<Translator_def> result
+ = g->path_to_acceptable_translator (type_str, odef);
+ if (result.size () && result.size () < best_depth)
+ {
+ result.insert (g,0);
+ best_result = result;
+ }
+ }
+
+ return best_result;
+}
+IMPLEMENT_UNSMOB(Translator_def,translator_def);
+IMPLEMENT_SMOBS(Translator_def);
+IMPLEMENT_DEFAULT_EQUAL_P(Translator_def);
+
+
+static SCM
+trans_list (SCM namelist, Translator_group*tg)
+{
+ SCM l = SCM_EOL;
+ for (SCM s = namelist; gh_pair_p (s) ; s = gh_cdr (s))
+ {
+ Translator * t = get_translator_l (ly_scm2string (gh_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_l_ = tg;
+ tr->output_def_l_ = tg->output_def_l_;
+
+ scm_unprotect_object (str);
+ }
+ }
+ return l;
+}
+
+
+Translator_group *
+Translator_def::instantiate (Music_output_def* md)
+{
+ Translator * g = get_translator_l (ly_scm2string (translator_group_type_));
+ g = g->clone ();
+
+ Translator_group *tg = dynamic_cast<Translator_group*> (g);
+ tg->output_def_l_ = md;
+ tg->definition_ = self_scm ();
+ tg->type_str_ = ly_scm2string (type_name_);
+ SCM correct_order = scm_reverse (property_ops_); // pity of the mem.
+ for (SCM s = correct_order; gh_pair_p (s); s = gh_cdr (s))
+ {
+ SCM entry = gh_car (s);
+ SCM type = gh_car (entry);
+ entry = gh_cdr (entry);
+
+ if (type == push_sym)
+ {
+ SCM val = gh_cddr (entry);
+ val = gh_pair_p (val) ? gh_car (val) : SCM_UNDEFINED;
+
+ apply_pushpop_property (tg, gh_car (entry), gh_cadr (entry), val);
+ }
+ else if (type == assign_sym)
+ {
+ tg->set_property (gh_car(entry), gh_cadr (entry));
+ }
+ }
+
+ SCM l1 = trans_list (consists_name_list_, tg);
+ SCM l2 =trans_list (end_consists_name_list_,tg);
+ l1 = scm_reverse_x (l1, l2);
+
+ tg->simple_trans_list_ = l1;
+
+ return tg;
+}
+
+SCM
+Translator_def::clone_scm () const
+{
+ Translator_def * t = new Translator_def (*this);
+ return t->unprotected_smobify_self ();
+}
+
+SCM
+Translator_def::make_scm ()
+{
+ Translator_def* t = new Translator_def;
+ return t->unprotected_smobify_self ();
+}
+
+void
+Translator_def::add_property_assign (SCM nm, SCM val)
+{
+ this->property_ops_ = gh_cons (gh_list (assign_sym, scm_string_to_symbol (nm), val, SCM_UNDEFINED),
+ this->property_ops_);
+}
+
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