source file of the GNU LilyPond music typesetter
- (c) 2004--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 2004--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "context.hh"
}
}
-Context::Context (Context const &src)
+Context::Context (Context const & /* src */)
{
- (void) src;
assert (false);
}
return tg;
}
- /*
- TODO: use accepts_list_.
- */
vector<Context_def*> path = path_to_acceptable_context (n);
if (path.size ())
vector<Context_def*>
Context::path_to_acceptable_context (SCM name) const
{
- // definition_mods_ is a list of (symbol string), but the Context_def expects
- // to see a list of (symbol symbol).
+ // 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"))
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)