#include "input-smob.hh"
#include "music.hh"
#include "music-list.hh"
-#include "debug.hh"
+#include "warn.hh"
#include "pitch.hh"
#include "ly-smobs.icc"
Music::Music ()
{
+ self_scm_ = SCM_EOL;
immutable_property_alist_ = SCM_EOL;
mutable_property_alist_ = SCM_EOL;
smobify_self ();
Music::Music (Music const &m)
{
immutable_property_alist_ = m.immutable_property_alist_;
- SCM c =ly_deep_mus_copy (m.mutable_property_alist_);
- mutable_property_alist_ = c;
+ mutable_property_alist_ = SCM_EOL;
+ self_scm_ = SCM_EOL;
+ /*
+ First we smobify_self, then we copy over the stuff. If we don't,
+ stack vars that hold the copy might be optimized away, meaning
+ that they won't be protected from GC.
+ */
smobify_self ();
-
+ mutable_property_alist_ = ly_deep_mus_copy (m.mutable_property_alist_);
set_spot (*m.origin ());
}
Music::Music (SCM l)
{
+ self_scm_ = SCM_EOL;
immutable_property_alist_ = l;
mutable_property_alist_ = SCM_EOL;
smobify_self ();
Moment
Music::start_mom () const
{
+ SCM l = get_mus_property ("start-moment-function");
+ if (gh_procedure_p (l))
+ {
+ SCM res = gh_call1 (l, self_scm ());
+ return *unsmob_moment (res);
+ }
+
Moment m ;
return m;
}
void
print_alist (SCM a, SCM port)
{
- for (SCM s = a; gh_pair_p (s); s = ly_cdr (s))
+ /*
+ SCM_EOL -> catch malformed lists.
+ */
+ for (SCM s = a; s != SCM_EOL; s = ly_cdr (s))
{
scm_display (ly_caar (s), port);
scm_puts (" = ", port);
Pitch np = *p;
np.transpose (delta);
- if (abs (np.alteration_i_) > 2)
+ if (abs (np.alteration_) > 2)
{
warning (_f ("Transposition by %s makes accidental larger than two",
- delta.str ()));
+ delta.string ()));
}
set_mus_property ("pitch", np.smobbed_copy ());
void
Music::internal_set_mus_property (SCM s, SCM v)
{
-#ifndef NDEBUG
if (internal_type_checking_global_b)
- assert (type_check_assignment (s, v, ly_symbol2scm ("music-type?")));
-#endif
-
- mutable_property_alist_ = scm_assq_set_x (mutable_property_alist_, s, v);
+ if (!type_check_assignment (s, v, ly_symbol2scm ("music-type?")))
+ abort ();
+
+ mutable_property_alist_ = scm_assq_set_x (mutable_property_alist_, s, v);
}
+
+
#include "main.hh"
void
}
-SCM
-ly_get_mus_property (SCM mus, SCM sym)
+LY_DEFINE(ly_get_mus_property,
+ "ly-get-mus-property", 2, 0, 0, (SCM mus, SCM sym),
+ "Get the property @var{sym} of music expression @var{mus}.")
{
Music * sc = unsmob_music (mus);
- SCM_ASSERT_TYPE(sc, mus, SCM_ARG1, __FUNCTION__, "grob");
- SCM_ASSERT_TYPE(gh_symbol_p(sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
-
- return sc->internal_get_mus_property (sym);
+ SCM_ASSERT_TYPE(sc, mus, SCM_ARG1, __FUNCTION__, "music");
+ SCM_ASSERT_TYPE(gh_symbol_p (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
+ return sc->internal_get_mus_property (sym);
}
-
-SCM
-ly_set_mus_property (SCM mus, SCM sym, SCM val)
+LY_DEFINE(ly_set_mus_property,
+ "ly-set-mus-property!", 3, 0, 0,
+ (SCM mus, SCM sym, SCM val),
+ "Set property @var{sym} in music expression @var{mus} to @var{val}.")
{
Music * sc = unsmob_music (mus);
- SCM_ASSERT_TYPE(sc, mus, SCM_ARG1, __FUNCTION__, "grob");
- SCM_ASSERT_TYPE(gh_symbol_p(sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
+ SCM_ASSERT_TYPE(sc, mus, SCM_ARG1, __FUNCTION__, "music");
+ SCM_ASSERT_TYPE(gh_symbol_p (sym), sym, SCM_ARG2, __FUNCTION__, "symbol");
bool ok = type_check_assignment (sym, val, ly_symbol2scm ("music-type?"));
if (ok)
// to do property args
-SCM
-ly_make_music (SCM type)
+LY_DEFINE(ly_make_music,
+ "ly-make-music", 1, 0, 0, (SCM type),
+ "
+Make a music object/expression of type @var{name}. Warning: this
+interface will likely change in the near future.
+
+
+
+Music is the data type that music expressions are stored in. The data
+type does not yet offer many manipulations.
+")
{
- SCM_ASSERT_TYPE(gh_string_p(type), type, SCM_ARG1, __FUNCTION__, "string");
-
+ SCM_ASSERT_TYPE(gh_string_p (type), type, SCM_ARG1, __FUNCTION__, "string");
- SCM s = get_music (ly_scm2string (type))->self_scm ();
+ SCM s = make_music (ly_scm2string (type))->self_scm ();
scm_gc_unprotect_object (s);
return s;
}
-SCM
-ly_music_name (SCM mus)
+LY_DEFINE(ly_music_name, "ly-music-name", 1, 0, 0,
+ (SCM mus),
+ "Return the name of @var{music}.")
{
Music * m = unsmob_music (mus);
SCM_ASSERT_TYPE(m, mus, SCM_ARG1, __FUNCTION__ ,"music");
const char * nm = classname (m);
- return ly_str02scm (nm);
+ return scm_makfrom0str (nm);
}
-SCM
-ly_music_list_p (SCM l)
+LY_DEFINE(ly_music_list_p,"music-list?", 1, 0, 0,
+ (SCM l),"Type predicate: return true if @var{l} is a list of music objects.")
{
if (scm_list_p (l) != SCM_BOOL_T)
return SCM_BOOL_F;
}
return SCM_BOOL_T;
}
-
-static void
-init_functions ()
-{
- scm_c_define_gsubr ("music-list?", 1, 0, 0, (Scheme_function_unknown)ly_music_list_p);
- scm_c_define_gsubr ("ly-get-mus-property", 2, 0, 0, (Scheme_function_unknown)ly_get_mus_property);
- scm_c_define_gsubr ("ly-set-mus-property", 3, 0, 0, (Scheme_function_unknown)ly_set_mus_property);
- scm_c_define_gsubr ("ly-make-music", 1, 0, 0, (Scheme_function_unknown)ly_make_music);
- scm_c_define_gsubr ("ly-music-name", 1, 0, 0, (Scheme_function_unknown)ly_music_name);
-}
-ADD_SCM_INIT_FUNC (musicscm,init_functions);
ADD_MUSIC(Music);
+
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