source file of the GNU LilyPond music typesetter
- (c) 1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "music-output-def.hh"
#include "debug.hh"
#include "moment.hh"
#include "scm-hash.hh"
-#include "killing-cons.tcc"
#include "translator-def.hh"
+#include "main.hh"
Translator_group::Translator_group (Translator_group const&s)
: Translator (s)
Scheme_hash_table * tab = new Scheme_hash_table (*s.properties_dict ());
properties_scm_ = tab->self_scm ();
- scm_unprotect_object (tab->self_scm ());
+ scm_gc_unprotect_object (tab->self_scm ());
}
Scheme_hash_table*
Scheme_hash_table *tab = new Scheme_hash_table ;
properties_scm_ = tab->self_scm ();
- scm_unprotect_object (tab->self_scm ());
+ scm_gc_unprotect_object (tab->self_scm ());
}
void
SCM next = SCM_EOL;
for (SCM p = trans_group_list_; gh_pair_p (p); p = next)
{
- next = gh_cdr (p);
+ next = ly_cdr (p);
- Translator_group *trg = dynamic_cast<Translator_group*> (unsmob_translator (gh_car (p)));
+ Translator_group *trg = dynamic_cast<Translator_group*> (unsmob_translator (ly_car (p)));
trg->check_removal ();
if (trg->removable_b ())
}
}
-
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_l_ = this;
t->output_def_l_ = output_def_l_;
- if (Translator_group*tg = dynamic_cast<Translator_group*> (t))
- {
- unsmob_translator_def (tg->definition_)->apply_property_operations (tg);
- }
-
- t->initialize ();
+
return list;
}
+
+
void
-Translator_group::add_group_translator (Translator *t)
+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<Translator_group*> (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
return this;
Translator_group* r = 0;
- for (SCM p = trans_group_list_; !r && gh_pair_p (p); p = gh_cdr (p))
+ for (SCM p = trans_group_list_; !r && gh_pair_p (p); p = ly_cdr (p))
{
- Translator * t = unsmob_translator (gh_car (p));
+ Translator * t = unsmob_translator (ly_car (p));
r = dynamic_cast<Translator_group*> (t)->find_existing_translator_l (n, id);
}
{
Translator_group * new_group = path[i]->instantiate (output_def_l_);
- current->add_group_translator (new_group);
+ if (i == path.size () -1)
+ new_group->id_str_ = id;
+ current->add_fresh_group_translator (new_group);
current = new_group;
}
- current->id_str_ = id;
+
return current;
}
{
bool hebbes_b =false;
- for (SCM p = simple_trans_list_; !hebbes_b && gh_pair_p (p); p = gh_cdr (p))
+ for (SCM p = simple_trans_list_; !hebbes_b && gh_pair_p (p); p = ly_cdr (p))
{
- hebbes_b = unsmob_translator (gh_car (p))->try_music (m);
+ hebbes_b = unsmob_translator (ly_car (p))->try_music (m);
}
return hebbes_b;
}
t = unsmob_translator_def (this->definition_);
}
Translator_group *tg = t->instantiate (output_def_l_);
- add_group_translator (tg);
+ add_fresh_group_translator (tg);
if (!tg->is_bottom_translator_b ())
return tg->get_default_interpreter ();
static void
static_each (SCM list, Method_pointer method)
{
- for (SCM p = list; gh_pair_p (p); p = gh_cdr (p))
- (unsmob_translator (gh_car (p))->*method) ();
+ for (SCM p = list; gh_pair_p (p); p = ly_cdr (p))
+ (unsmob_translator (ly_car (p))->*method) ();
}
return SCM_EOL when not found.
*/
SCM
-Translator_group::get_property (SCM sym) const
+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_->get_property (sym);
+ return daddy_trans_l_->internal_get_property (sym);
return val;
}
void
-Translator_group::set_property (String id, SCM val)
+Translator_group::internal_set_property (SCM sym, SCM val)
{
- set_property (ly_symbol2scm (id.ch_C ()), 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::set_property (SCM sym, SCM val)
+Translator_group::unset_property (SCM sym)
{
- properties_dict ()->set (sym, val);
+ 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
{
if (val != SCM_UNDEFINED)
{
- SCM prev = get_property (prop);
+ SCM prev = internal_get_property (prop);
if (gh_pair_p (prev) || prev == SCM_EOL)
{
- bool ok = type_check_assignment (val, eltprop, ly_symbol2scm ("backend-type?"));
-
-
+ bool ok = type_check_assignment (eltprop, val, ly_symbol2scm ("backend-type?"));
if (ok)
{
prev = gh_cons (gh_cons (eltprop, val), prev);
- set_property (prop, prev);
+ internal_set_property (prop, prev);
}
}
else
}
else
{
- SCM prev = get_property (prop);
+ SCM prev = internal_get_property (prop);
SCM newprops= SCM_EOL ;
- while (gh_pair_p (prev) && gh_caar (prev) != eltprop)
+ while (gh_pair_p (prev) && ly_caar (prev) != eltprop)
{
- newprops = gh_cons (gh_car (prev), newprops);
- prev = gh_cdr (prev);
+ newprops = gh_cons (ly_car (prev), newprops);
+ prev = ly_cdr (prev);
}
if (gh_pair_p (prev))
{
- newprops = scm_reverse_x (newprops, gh_cdr (prev));
- set_property (prop, newprops);
+ newprops = scm_reverse_x (newprops, ly_cdr (prev));
+ internal_set_property (prop, newprops);
}
}
}
void
Translator_group::stop_translation_timestep ()
{
- each (&Translator::pre_move_processing);
+ each (&Translator::stop_translation_timestep);
}
void
Translator_group::start_translation_timestep ()
{
- each (&Translator::post_move_processing);
+ each (&Translator::start_translation_timestep);
}
void
}
-bool
-type_check_assignment (SCM val, SCM sym, SCM type_symbol)
-{
- bool ok = true;
- SCM type_p = SCM_EOL;
-
- if (gh_symbol_p (sym))
- type_p = scm_object_property (sym, type_symbol);
-
- if (type_p != SCM_EOL && !gh_procedure_p (type_p))
- {
- warning (_f ("Can't find property type-check for `%s'. Perhaps you made a typing error?",
- ly_symbol2string (sym).ch_C ()));
- }
- else
- {
- if (val != SCM_EOL
- && gh_procedure_p (type_p)
- && gh_call1 (type_p, val) == SCM_BOOL_F)
- {
- SCM errport = scm_current_error_port ();
- ok = false;
- SCM typefunc = scm_eval2 (ly_symbol2scm ("type-name"), SCM_EOL);
- SCM type_name = gh_call1 (typefunc, type_p);
-
- scm_puts (_f ("Type check for `%s' failed; value `%s' must be of type `%s'",
- ly_symbol2string (sym).ch_C (),
- ly_scm2string (ly_write2scm (val)).ch_C (),
- ly_scm2string (type_name).ch_C ()).ch_C (),
- errport);
- scm_puts ("\n", errport);
- }
- }
- return ok;
-}
-
SCM
ly_get_trans_property (SCM context, SCM name)
{
Translator *t = unsmob_translator (context);
Translator_group* tr= dynamic_cast<Translator_group*> (t);
- if (!t || !tr)
- {
- /* programming_error? */
- warning (_ ("ly-get-trans-property: expecting a Translator_group argument"));
- return SCM_EOL;
- }
- return tr->get_property (name);
+ SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Translator group");
+ SCM_ASSERT_TYPE(gh_symbol_p(name), name, SCM_ARG2, __FUNCTION__, "symbol");
+
+ 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<Translator_group*> (t);
- if (tr)
- {
- tr->set_property (name, val);
- }
+
+ SCM_ASSERT_TYPE(tr, context, SCM_ARG1, __FUNCTION__, "Translator group");
+ tr->internal_set_property (name, val);
+
return SCM_UNSPECIFIED;
}
void
add_trans_scm_funcs ()
{
- scm_make_gsubr ("ly-get-trans-property", 2, 0, 0, (Scheme_function_unknown)ly_get_trans_property);
- scm_make_gsubr ("ly-set-trans-property", 3, 0, 0, (Scheme_function_unknown)ly_set_trans_property);
+ 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);
}
ADD_SCM_INIT_FUNC (trans_scm, add_trans_scm_funcs);
+