source file of the GNU LilyPond music typesetter
- (c) 2004--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 2004--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "context.hh"
}
Context::Context (Context const &src)
- : key_manager_ (src.key_manager_)
{
+ (void) src;
assert (false);
}
}
-Context::Context (Object_key const *key)
- : key_manager_ (key)
+Context::Context ()
{
daddy_context_ = 0;
aliases_ = SCM_EOL;
event_source_->unprotect ();
events_below_ = new Dispatcher ();
events_below_->unprotect ();
-
- /*
- UGH UGH
- const correctness.
- */
- key_manager_.unprotect();
}
/* TODO: this shares code with find_create_context (). */
if (gthis && gthis->get_score_context ())
return gthis->get_score_context ()->create_unique_context (name, id, operations);
- /*
- TODO: use accepts_list_.
- */
- vector<Context_def*> path
- = unsmob_context_def (definition_)->path_to_acceptable_context (name, get_output_def ());
-
+ vector<Context_def*> path = path_to_acceptable_context (name);
if (path.size ())
{
Context *current = this;
- // start at 1. The first one (index 0) will be us.
+ // Iterate through the path and create all of the implicit contexts.
for (vsize i = 0; i < path.size (); i++)
{
SCM ops = SCM_EOL;
ret = daddy_context_->create_unique_context (name, id, operations);
else
{
- warning (_f ("can't find or create new `%s'",
+ warning (_f ("cannot find or create new `%s'",
ly_symbol2string (name).c_str ()));
ret = 0;
}
return tg;
}
- /*
- TODO: use accepts_list_.
- */
- vector<Context_def*> path
- = unsmob_context_def (definition_)->path_to_acceptable_context (n, get_output_def ());
+ vector<Context_def*> path = path_to_acceptable_context (n);
if (path.size ())
{
ret = daddy_context_->find_create_context (n, id, operations);
else
{
- warning (_f ("can't find or create `%s' called `%s'",
+ warning (_f ("cannot find or create `%s' called `%s'",
ly_symbol2string (n).c_str (), id));
ret = 0;
}
SCM ops = ev->get_property ("ops");
SCM type_scm = ev->get_property ("type");
string type = ly_symbol2string (type_scm);
- Object_key const *key = key_manager_.get_context_key (now_mom(), type, id);
- vector<Context_def*> path
- = unsmob_context_def (definition_)->path_to_acceptable_context (type_scm, get_output_def ());
+ vector<Context_def*> path = path_to_acceptable_context (type_scm);
+
if (path.size () != 1)
{
programming_error (_f ("Invalid CreateContext event: Cannot create %s context", type.c_str ()));
}
Context_def *cdef = path[0];
- Context *new_context = cdef->instantiate (ops, key);
+ Context *new_context = cdef->instantiate (ops);
new_context->id_string_ = id;
ly_symbol2scm ("creator"), sev);
}
+vector<Context_def*>
+Context::path_to_acceptable_context (SCM name) const
+{
+ // The 'accepts elements in definition_mods_ is a list of ('accepts string),
+ // but the Context_def expects to see elements of the form ('accepts symbol).
+ SCM accepts = SCM_EOL;
+ for (SCM s = scm_reverse (definition_mods_); scm_is_pair (s); s = scm_cdr (s))
+ if (scm_caar (s) == ly_symbol2scm ("accepts"))
+ {
+ SCM elt = scm_list_2 (scm_caar (s), scm_string_to_symbol (scm_cadar (s)));
+ accepts = scm_cons (elt, accepts);
+ }
+
+ return unsmob_context_def (definition_)->path_to_acceptable_context (name,
+ get_output_def (),
+ accepts);
+
+}
+
Context *
Context::create_context (Context_def *cdef,
string id,
send_stream_event (this, "CreateContext", 0,
ly_symbol2scm ("ops"), ops,
ly_symbol2scm ("type"), cdef->get_context_name (),
- ly_symbol2scm ("id"), scm_makfrom0str (id.c_str ()));
+ ly_symbol2scm ("id"), ly_string2scm (id));
event_source_->
remove_listener (GET_LISTENER (acknowledge_infant),
ly_symbol2scm ("AnnounceNewContext"));
Context_def *t = unsmob_context_def (st);
if (!t)
{
- warning (_f ("can't find or create: `%s'", name.c_str ()));
+ warning (_f ("cannot find or create: `%s'", name.c_str ()));
t = unsmob_context_def (this->definition_);
}
aliases_ = scm_cons (sym, aliases_);
}
+/* we don't (yet) instrument context properties */
void
-Context::internal_set_property (SCM sym, SCM val
-#ifndef NDEBUG
- , char const *file, int line, char const *fun
-#endif
- )
+Context::instrumented_set_property (SCM sym, SCM val, const char*, int, const char*)
+{
+ internal_set_property (sym, val);
+}
+
+void
+Context::internal_set_property (SCM sym, SCM val)
{
if (do_internal_type_checking_global)
assert (type_check_assignment (sym, val, ly_symbol2scm ("translation-type?")));
Context::remove_context (SCM)
{
/* ugh, the translator group should listen to RemoveContext events by itself */
- implementation ()->disconnect_from_context ();
+ Translator_group *impl = implementation ();
+ if (impl)
+ impl->disconnect_from_context ();
disconnect_from_parent ();
}
return 1;
}
-Object_key const *
-Context::get_grob_key (string name)
-{
- return key_manager_.get_grob_key (now_mom (), name);
-}
-
-Object_key const *
-Context::get_context_key (string name, string id)
-{
- return key_manager_.get_context_key (now_mom (), name, id);
-}
-
SCM
Context::mark_smob (SCM sm)
{
Context *me = (Context *) SCM_CELL_WORD_1 (sm);
- me->key_manager_.gc_mark();
scm_gc_mark (me->context_list_);
scm_gc_mark (me->aliases_);
return daddy_context_;
}
-void
-Context::clear_key_disambiguations ()
-{
- if (!use_object_keys)
- return;
-
- key_manager_.clear ();
- for (SCM s = context_list_; scm_is_pair (s); s = scm_cdr (s))
- unsmob_context (scm_car (s))->clear_key_disambiguations ();
-}
-
/*
Ugh. Where to put this?
*/
return m;
}
+/* Finds the measure position after a note of length DUR that
+ begins at the current measure position. */
+Moment
+measure_position (Context const *context, Duration const *dur)
+{
+ Moment pos = measure_position (context);
+ Rational dur_length = dur ? dur->get_length () : Rational (0);
+
+ Moment end_pos = pos.grace_part_ < Rational(0)
+ ? Moment(pos.main_part_, pos.grace_part_ + dur_length)
+ : Moment(pos.main_part_ + dur_length, 0);
+
+ return end_pos;
+}
+
+int
+measure_number (Context const *context)
+{
+ SCM barnum = context->get_property ("internalBarNumber");
+ SCM smp = context->get_property ("measurePosition");
+
+ int bn = robust_scm2int (barnum, 0);
+ Moment mp = robust_scm2moment (smp, Moment (0));
+ if (mp.main_part_ < Rational (0))
+ bn--;
+
+ return bn;
+}
+
void
set_context_property_on_children (Context *trans, SCM sym, SCM val)
SCM melisma_properties = tr->get_property ("melismaBusyProperties");
bool busy = false;
- for (; scm_is_pair (melisma_properties);
+ for (; !busy && scm_is_pair (melisma_properties);
melisma_properties = scm_cdr (melisma_properties))
busy = busy || to_boolean (tr->internal_get_property (scm_car (melisma_properties)));
projects / lilypond.git / blobdiff