/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1998--2011 Jan Nieuwenhuizen <janneke@gnu.org>
+ Copyright (C) 1998--2012 Jan Nieuwenhuizen <janneke@gnu.org>
Han-Wen Nienhuys <hanwen@xs4all.nl>
LilyPond is free software: you can redistribute it and/or modify
SCM
ly_quote_scm (SCM s)
{
- return scm_list_n (ly_symbol2scm ("quote"), s, SCM_UNDEFINED);
+ return scm_list_2 (ly_symbol2scm ("quote"), s);
}
string
/*
Ugh. this is not very efficient.
*/
- SCM str = scm_symbol_to_string (s);
- return ly_scm2string (str);
+ return ly_scm2string (scm_symbol_to_string (s));
+}
+
+string
+robust_symbol2string (SCM sym, string str)
+{
+ return scm_is_symbol (sym) ? ly_symbol2string (sym) : str;
}
string
return s;
}
- if (be_verbose_global)
- progress_indication ("[" + s);
+ debug_output ("[" + s, true);
vector<char> chars = gulp_file (s, size);
string result (&chars[0], chars.size ());
- if (be_verbose_global)
- progress_indication ("]\n");
+ debug_output ("]\n", false);
return result;
}
bool
is_axis (SCM s)
{
- if (scm_is_number (s))
+ if (scm_is_integer (s))
{
int i = scm_to_int (s);
return i == 0 || i == 1;
Interval
ly_scm2interval (SCM p)
{
- return Interval (scm_to_double (scm_car (p)), scm_to_double (scm_cdr (p)));
+ return Interval (scm_to_double (scm_car (p)),
+ scm_to_double (scm_cdr (p)));
}
Drul_array<Real>
/*
ALIST
*/
-
-bool
-alist_equal_p (SCM a, SCM b)
-{
- for (SCM s = a;
- scm_is_pair (s); s = scm_cdr (s))
- {
- SCM key = scm_caar (s);
- SCM val = scm_cdar (s);
- SCM l = scm_assoc (key, b);
-
- if (l == SCM_BOOL_F
- || !ly_is_equal (scm_cdr (l), val))
-
- return false;
- }
- return true;
-}
-
SCM
ly_alist_vals (SCM alist)
{
return ok;
if (!scm_is_symbol (sym))
-#if 0
return false;
-#else
- /*
- This is used for autoBeamSettings.
-
- TODO: deprecate the use of \override and \revert for
- autoBeamSettings?
-
- or use a symbol autoBeamSettingS?
- */
- return true;
-#endif
SCM type = scm_object_property (sym, type_symbol);
return x;
}
+vector<Real>
+ly_scm2floatvector (SCM l)
+{
+ vector<Real> floats;
+ for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
+ floats.push_back (robust_scm2double (scm_car (s), 0.0));
+ return floats;
+}
+
+SCM
+ly_floatvector2scm (vector<Real> v)
+{
+ SCM l = SCM_EOL;
+ SCM *tail = &l;
+ for (vsize i = 0; i < v.size (); i++)
+ {
+ *tail = scm_cons (scm_from_double (v[i]), SCM_EOL);
+ tail = SCM_CDRLOC (*tail);
+ }
+ return l;
+}
+
string
robust_scm2string (SCM k, string s)
{
return o;
}
+vsize
+robust_scm2vsize (SCM k, vsize o)
+{
+ if (scm_integer_p (k) == SCM_BOOL_T)
+ {
+ int i = scm_to_int (k);
+ if (i >= 0)
+ return (vsize) i;
+ }
+ return o;
+}
+
SCM
ly_rational2scm (Rational r)
{
+ if (r.is_infinity ())
+ {
+ if (r > Rational (0))
+ return scm_inf ();
+
+ return scm_difference (scm_inf (), SCM_UNDEFINED);
+ }
+
return scm_divide (scm_from_int64 (r.numerator ()),
scm_from_int64 (r.denominator ()));
}
Rational
ly_scm2rational (SCM r)
{
+ if (scm_is_true (scm_inf_p (r)))
+ {
+ if (scm_is_true (scm_positive_p (r)))
+ {
+ Rational r;
+ r.set_infinite (1);
+ return r;
+ }
+ else
+ {
+ Rational r;
+ r.set_infinite (-1);
+ return r;
+ }
+ }
+
return Rational (scm_to_int64 (scm_numerator (r)),
scm_to_int64 (scm_denominator (r)));
}
Rational
robust_scm2rational (SCM n, Rational rat)
{
- if (ly_is_fraction (n))
+ if (ly_is_rational (n))
return ly_scm2rational (n);
else
return rat;
}
+bool
+ly_is_rational (SCM n)
+{
+ return (scm_is_real (n)
+ && (scm_is_true (scm_exact_p (n))
+ || scm_is_true (scm_inf_p (n))));
+}
+
SCM
alist_to_hashq (SCM alist)
{