*/
+#define INFINITY_MSG "Infinity or NaN encountered"
Score_element::Score_element(SCM basicprops)
{
status_i_ = 0;
self_scm_ = SCM_EOL;
original_l_ = 0;
-#ifndef READONLY_PROPS
- basic_property_list_ = basicprops;
-#endif READONLY_PROPS
- property_alist_ = basicprops;
- pointer_alist_ = SCM_EOL;
-
+ immutable_property_alist_ = basicprops;
+ mutable_property_alist_ = SCM_EOL;
+
smobify_self ();
- set_elt_pointer ("dependencies", SCM_EOL);
- set_elt_property ("interfaces", SCM_EOL);
+ set_elt_property ("dependencies", SCM_EOL);
+
+ if (get_elt_property ("interfaces") == SCM_UNDEFINED)
+ set_elt_property ("interfaces", SCM_EOL);
}
{
self_scm_ = SCM_EOL;
original_l_ =(Score_element*) &s;
- property_alist_ = s.property_alist_;
-#ifndef READONLY_PROPS
- basic_property_list_ = s.basic_property_list_;
- /*
- TODO: should copy the private part of the list.
- */
- SCM y ;
- for (SCM *sp = &s.property_alist_; *sp != basic_property_list_; sp = &SCM_CDR(*sp))
- {
- *sp = gh_cons (
- }
-#endif
- pointer_alist_ = SCM_EOL;
+ immutable_property_alist_ = s.immutable_property_alist_;
+ mutable_property_alist_ = SCM_EOL;
status_i_ = s.status_i_;
lookup_l_ = s.lookup_l_;
SCM
-Score_element::get_elt_pointer (const char *nm) const
+Score_element::get_elt_property (const char *nm) const
{
- SCM sym = ly_symbol2scm (nm);
- SCM s = scm_assq(sym, pointer_alist_);
-
- return (s == SCM_BOOL_F) ? SCM_UNDEFINED : gh_cdr (s);
+ SCM sym = ly_symbol2scm (nm);
+ return get_elt_property (sym);
}
-// should also have one that takes SCM arg.
SCM
-Score_element::get_elt_property (String nm) const
+Score_element::get_elt_property (SCM sym) const
{
- SCM sym = ly_symbol2scm (nm.ch_C());
- SCM s = scm_assq(sym, property_alist_);
-
+ SCM s = scm_assq(sym, mutable_property_alist_);
if (s != SCM_BOOL_F)
- return gh_cdr (s);
+ return gh_cdr (s);
- return SCM_UNDEFINED;
+ s = scm_assq (sym, immutable_property_alist_);
+ return (s == SCM_BOOL_F) ? SCM_UNDEFINED : gh_cdr (s);
}
/*
}
void
-Score_element::set_elt_property (String k, SCM val)
+Score_element::set_elt_property (const char* k, SCM v)
{
- SCM sym = ly_symbol2scm (k.ch_C ());
-#ifndef READONLY_PROPS
- /*
- destructive if found in my part of the list.
- */
- for (SCM s = property_alist_; s != basic_property_list_; s =gh_cdr (s))
- {
- if (gh_caar (s)== sym)
- {
- gh_set_cdr_x (gh_car (s), val);
- return;
- }
- }
-/*
- not found in private list. Override in private list.
- */
-
-#endif
-
- property_alist_ = gh_cons (gh_cons (sym, val), property_alist_);
+ SCM s = ly_symbol2scm (k);
+ set_elt_property (s, v);
}
+/*
+ Puts the k, v in the immutable_property_alist_, which is convenient for
+ storing variables that are needed during the breaking process. (eg.
+ Line_of_score::rank : int )
+ */
void
-Score_element::set_elt_pointer (const char* k, SCM v)
+Score_element::set_immutable_elt_property (const char*k, SCM v)
{
SCM s = ly_symbol2scm (k);
- pointer_alist_ = scm_assq_set_x (pointer_alist_, s, v);
+ set_immutable_elt_property (s, v);
+}
+
+void
+Score_element::set_immutable_elt_property (SCM s, SCM v)
+{
+ immutable_property_alist_ = gh_cons (gh_cons (s,v), mutable_property_alist_);
+ mutable_property_alist_ = scm_assq_remove_x (mutable_property_alist_, s);
+}
+void
+Score_element::set_elt_property (SCM s, SCM v)
+{
+ mutable_property_alist_ = scm_assq_set_x (mutable_property_alist_, s, v);
}
Interval
-Score_element::molecule_extent (Score_element const *s, Axis a )
+Score_element::molecule_extent (Score_element *s, Axis a)
{
Molecule m = s->get_molecule ();
return m.extent(a);
}
Interval
-Score_element::preset_extent (Score_element const *s , Axis a )
+Score_element::preset_extent (Score_element *s , Axis a)
{
SCM ext = s->get_elt_property ((a == X_AXIS)
? "extent-X"
}
void
-Score_element::calculate_dependencies (int final, int busy,
- Score_element_method_pointer funcptr)
+Score_element::calculate_dependencies (int final, int busy, SCM funcname)
{
assert (status_i_ >=0);
status_i_= busy;
- for (SCM d= get_elt_pointer ("dependencies"); gh_pair_p (d); d = gh_cdr (d))
+ for (SCM d= get_elt_property ("dependencies"); gh_pair_p (d); d = gh_cdr (d))
{
unsmob_element (gh_car (d))
- ->calculate_dependencies (final, busy, funcptr);
+ ->calculate_dependencies (final, busy, funcname);
}
- (this->*funcptr)();
+ // ughugh.
+ String s = ly_symbol2string (funcname);
+ SCM proc = get_elt_property (s.ch_C());
+ if (gh_procedure_p (proc))
+ gh_call1 (proc, this->self_scm_);
+
status_i_= final;
+
}
Molecule
{
}
-void
-Score_element::after_line_breaking ()
-{
-}
-
-
-void
-Score_element::before_line_breaking ()
-{
-}
-
-void
-Score_element::do_space_processing ()
-{
-}
void
Score_element::do_add_processing()
}
-MAKE_SCHEME_SCORE_ELEMENT_CALLBACKS(Score_element)
+MAKE_SCHEME_CALLBACK(Score_element,brew_molecule)
- /*
+/*
ugh.
*/
-
-Molecule
-Score_element::do_brew_molecule () const
+SCM
+Score_element::brew_molecule (SCM smob)
{
- SCM glyph = get_elt_property ("glyph");
+ Score_element * sc = unsmob_element (smob);
+ SCM glyph = sc->get_elt_property ("glyph");
if (gh_string_p (glyph))
{
- return lookup_l ()->afm_find (String (ly_scm2string (glyph)));
+ return sc->lookup_l ()->afm_find (String (ly_scm2string (glyph))).create_scheme ();
}
else
{
- Molecule m ;
- m.set_empty (true);
- return m;
+ return SCM_EOL;
}
}
{
Score_element * sc = s->broken_into_l_arr_[i];
Line_of_score * l = sc->line_l ();
- sc->pointer_alist_ =
- handle_broken_smobs (pointer_alist_,
+ sc->mutable_property_alist_ =
+ handle_broken_smobs (mutable_property_alist_,
l ? l->self_scm_ : SCM_UNDEFINED);
}
}
if (line && common_refpoint (line, X_AXIS) && common_refpoint (line, Y_AXIS))
{
- pointer_alist_
- = handle_broken_smobs (pointer_alist_,
+ mutable_property_alist_
+ = handle_broken_smobs (mutable_property_alist_,
line ? line->self_scm_ : SCM_UNDEFINED);
}
else if (dynamic_cast <Line_of_score*> (this))
{
- pointer_alist_ = handle_broken_smobs (pointer_alist_,
+ mutable_property_alist_ = handle_broken_smobs (mutable_property_alist_,
SCM_UNDEFINED);
}
else
void
Score_element::suicide ()
{
- property_alist_ = SCM_EOL;
- pointer_alist_ = SCM_EOL;
+ mutable_property_alist_ = SCM_EOL;
+ immutable_property_alist_ = SCM_EOL;
set_extent_callback (0, Y_AXIS);
set_extent_callback (0, X_AXIS);
void
Score_element::translate_axis (Real y, Axis a)
{
- dim_cache_[a].offset_ += y;
+ if (isinf (y) || isnan (y))
+ programming_error (_(INFINITY_MSG));
+ else
+ {
+ dim_cache_[a].offset_ += y;
+ }
}
Real
if (isinf (r) || isnan (r))
{
r = 0.0;
- programming_error ("Infinity or NaN encountered");
+ programming_error (INFINITY_MSG);
}
me->dim_cache_[a].offset_ +=r;
}
Interval
-Score_element::point_dimension_callback (Score_element const* , Axis)
+Score_element::point_dimension_callback (Score_element* , Axis)
{
return Interval (0,0);
}
}
else if (!d->valid_b_)
{
- d->dim_= (*d->extent_callback_l_ ) (this, a);
+ d->dim_= (*d->extent_callback_l_ ) ((Score_element*)this, a);
d->valid_b_ = true;
}
Score_element::common_refpoint (Score_element const* s, Axis a) const
{
/*
- I don't like the quadratic aspect of this code. Maybe this should
- be rewritten some time, but the largest chain of parents might be
- 10 high or so, so it shouldn't be a real issue. */
+ I don't like the quadratic aspect of this code, but I see no other
+ way. The largest chain of parents might be 10 high or so, so
+ it shouldn't be a real issue. */
for (Score_element const *c = this; c; c = c->dim_cache_[a].parent_l_)
for (Score_element const * d = s; d; d = d->dim_cache_[a].parent_l_)
if (d == c)
dim_cache_[a].parent_l_ = g;
}
-void
-Score_element::fixup_refpoint ()
+MAKE_SCHEME_CALLBACK(Score_element,fixup_refpoint);
+SCM
+Score_element::fixup_refpoint (SCM smob)
{
+ Score_element *me = unsmob_element (smob);
for (int a = X_AXIS; a < NO_AXES; a ++)
{
Axis ax = (Axis)a;
- Score_element * parent = parent_l (ax);
+ Score_element * parent = me->parent_l (ax);
if (!parent)
continue;
- if (parent->line_l () != line_l () && line_l ())
+ if (parent->line_l () != me->line_l () && me->line_l ())
{
- Score_element * newparent = parent->find_broken_piece (line_l ());
- set_parent (newparent, ax);
+ Score_element * newparent = parent->find_broken_piece (me->line_l ());
+ me->set_parent (newparent, ax);
}
- if (Item * i = dynamic_cast<Item*> (this))
+ if (Item * i = dynamic_cast<Item*> (me))
{
Item *parenti = dynamic_cast<Item*> (parent);
if (my_dir!= parenti->break_status_dir())
{
Item *newparent = parenti->find_prebroken_piece (my_dir);
- set_parent (newparent, ax);
+ me->set_parent (newparent, ax);
}
}
}
}
+ return smob;
}
programming_error ("SMOB marking gone awry");
return SCM_EOL;
}
- scm_gc_mark (s->pointer_alist_);
+ scm_gc_mark ( s->immutable_property_alist_);
s->do_derived_mark ();
if (s->parent_l (Y_AXIS))
if (s->parent_l (X_AXIS))
scm_gc_mark (s->parent_l (X_AXIS)->self_scm_);
- return s->property_alist_;
+ return s->mutable_property_alist_;
}
int
SCM
-Score_element::ly_set_elt_property (SCM elt, SCM sym, SCM val)
+ly_set_elt_property (SCM elt, SCM sym, SCM val)
{
Score_element * sc = unsmob_element (elt);
if (sc)
{
- sc->property_alist_ = scm_assq_set_x (sc->property_alist_, sym, val);
+ sc->set_elt_property (sym, val);
}
else
{
SCM
-Score_element::ly_get_elt_property (SCM elt, SCM sym)
+ly_get_elt_property (SCM elt, SCM sym)
{
Score_element * sc = unsmob_element (elt);
if (sc)
{
- SCM s = scm_assq(sym, sc->property_alist_);
-
- if (s != SCM_BOOL_F)
- return gh_cdr (s);
- else
- return SCM_UNDEFINED;
+ return sc->get_elt_property (sym);
}
else
{
}
+void
+Score_element::discretionary_processing()
+{
+}
+
+
+
+SCM
+spanner_get_bound (SCM slur, SCM dir)
+{
+ return dynamic_cast<Spanner*> (unsmob_element (slur))->get_bound (to_dir (dir))->self_scm_;
+}
+
+
+
+static SCM interfaces_sym;
+
static void
init_functions ()
{
- scm_make_gsubr ("ly-get-elt-property", 2, 0, 0, (SCM(*)(...))Score_element::ly_get_elt_property);
- scm_make_gsubr ("ly-set-elt-property", 3, 0, 0, (SCM(*)(...))Score_element::ly_set_elt_property);
+ interfaces_sym = scm_permanent_object (ly_symbol2scm ("interfaces"));
+
+ scm_make_gsubr ("ly-get-elt-property", 2, 0, 0, (SCM(*)(...))ly_get_elt_property);
+ scm_make_gsubr ("ly-set-elt-property", 3, 0, 0, (SCM(*)(...))ly_set_elt_property);
+ scm_make_gsubr ("ly-get-spanner-bound", 2 , 0, 0, (SCM(*)(...)) spanner_get_bound);
}
-ADD_SCM_INIT_FUNC(scoreelt, init_functions);
+bool
+Score_element::has_interface (SCM k)
+{
+ if (mutable_property_alist_ == SCM_EOL)
+ return false;
+
+ SCM ifs = get_elt_property (interfaces_sym);
+
+ return scm_memq (k, ifs) != SCM_BOOL_F;
+}
void
-Score_element::discretionary_processing()
+Score_element::set_interface (SCM k)
{
+ if (has_interface (k))
+ return ;
+ else
+ {
+ set_elt_property (interfaces_sym,
+ gh_cons (k, get_elt_property (interfaces_sym)));
+ }
}
+
+
+ADD_SCM_INIT_FUNC(scoreelt, init_functions);
+
projects / lilypond.git / blobdiff