/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 2005--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 2005--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
LY_DEFINE (ly_event_p, "ly:event?",
1, 0, 0, (SCM obj),
- "Is @var{obj} an event object?")
+ "Is @var{obj} a proper (non-rhythmic) event object?")
{
if (Music *m = unsmob_music (obj))
{
- return scm_from_bool (m->is_mus_type ("event"));
+ return scm_from_bool (m->is_mus_type ("post-event"));
}
return SCM_BOOL_F;
}
LY_DEFINE (ly_music_deep_copy, "ly:music-deep-copy",
1, 0, 0, (SCM m),
- "Copy @var{m} and all sub expressions of@tie{}@var{m}.")
+ "Copy @var{m} and all sub expressions of@tie{}@var{m}."
+ " @var{m} may be an arbitrary type; cons cells and music"
+ " are copied recursively.")
{
- SCM copy = m;
if (unsmob_music (m))
+ return unsmob_music (m)->clone ()->unprotect ();
+ if (scm_is_pair (m))
{
- Music *mcopy = unsmob_music (m)->clone ();
- copy = mcopy->unprotect ();
+ SCM copy = SCM_EOL;
+ do
+ {
+ copy = scm_cons (ly_music_deep_copy (scm_car (m)), copy);
+ m = scm_cdr (m);
+ }
+ while (scm_is_pair (m));
+ // Oh, come on, GUILE. Why do you require the second argument
+ // of scm_reverse_x to be a proper list? That makes no sense.
+ // return scm_reverse_x (copy, ly_music_deep_copy (m));
+ SCM last_cons = copy;
+ copy = scm_reverse_x (copy, SCM_EOL);
+ scm_set_cdr_x (last_cons, ly_music_deep_copy (m));
+ return copy;
}
- else if (scm_is_pair (m))
- copy = scm_cons (ly_music_deep_copy (scm_car (m)),
- ly_music_deep_copy (scm_cdr (m)));
- return copy;
+ return m;
}
LY_DEFINE (ly_music_transpose, "ly:music-transpose",
Pitch start = *unsmob_pitch (pitch);
Music *m = unsmob_music (music);
Pitch last = m->to_relative_octave (start);
- if (lily_1_8_relative)
- m->set_property ("last-pitch", last.smobbed_copy ());
return last.smobbed_copy ();
}