/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1998--2011 Jan Nieuwenhuizen <janneke@gnu.org>
+ Copyright (C) 1998--2015 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
}
string
-robust_symbol2string (SCM sym, string str)
+robust_symbol2string (SCM sym, const string &str)
{
return scm_is_symbol (sym) ? ly_symbol2string (sym) : str;
}
string
-gulp_file_to_string (string fn, bool must_exist, int size)
+gulp_file_to_string (const string &fn, bool must_exist, int size)
{
string s = global_path.find (fn);
if (s == "")
ly_deep_copy (SCM src)
{
if (scm_is_pair (src))
- return scm_cons (ly_deep_copy (scm_car (src)), ly_deep_copy (scm_cdr (src)));
- else if (scm_is_vector (src))
+ {
+ SCM res = SCM_EOL;
+ do
+ {
+ res = scm_cons (ly_deep_copy (scm_car (src)), res);
+ src = scm_cdr (src);
+ }
+ while (scm_is_pair (src));
+ // 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 (res, ly_deep_copy (src));
+ SCM last_cons = res;
+ res = scm_reverse_x (res, SCM_EOL);
+ scm_set_cdr_x (last_cons, ly_deep_copy (src));
+ return res;
+ }
+ if (scm_is_vector (src))
{
int len = scm_c_vector_length (src);
SCM nv = scm_c_make_vector (len, SCM_UNDEFINED);
SCM si = scm_from_int (i);
scm_vector_set_x (nv, si, ly_deep_copy (scm_vector_ref (src, si)));
}
+ return nv;
}
return src;
}
bool
type_check_assignment (SCM sym, SCM val, SCM type_symbol)
{
- bool ok = true;
-
- /*
- Always succeeds.
-
-
- TODO: should remove #f from allowed vals?
- */
- if (val == SCM_EOL || val == SCM_BOOL_F)
- return ok;
+ // If undefined, some internal function caused it...should never happen.
+ assert (val != SCM_UNDEFINED);
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);
scm_throw (ly_symbol2scm ("ly-file-failed"), scm_list_3 (ly_symbol2scm ("typecheck"),
sym, val));
- warning (_ ("doing assignment anyway"));
+ warning (_ ("skipping assignment"));
+ return false;
}
- else
+
+ /*
+ Always succeeds.
+
+
+ TODO: should remove #f from allowed vals?
+ */
+ if (val == SCM_EOL || val == SCM_BOOL_F)
+ return true;
+
+ if (val != SCM_EOL
+ && ly_is_procedure (type)
+ && scm_call_1 (type, val) == SCM_BOOL_F)
{
- if (val != SCM_EOL
- && ly_is_procedure (type)
- && scm_call_1 (type, val) == SCM_BOOL_F)
- {
- ok = false;
- SCM typefunc = ly_lily_module_constant ("type-name");
- SCM type_name = scm_call_1 (typefunc, type);
-
- warning (_f ("type check for `%s' failed; value `%s' must be of type `%s'",
- ly_symbol2string (sym).c_str (),
- print_scm_val (val),
- ly_scm2string (type_name).c_str ()));
- progress_indication ("\n");
- }
+ SCM typefunc = ly_lily_module_constant ("type-name");
+ SCM type_name = scm_call_1 (typefunc, type);
+
+ warning (_f ("type check for `%s' failed; value `%s' must be of type `%s'",
+ ly_symbol2string (sym).c_str (),
+ print_scm_val (val),
+ ly_scm2string (type_name).c_str ()));
+ progress_indication ("\n");
+ return false;
}
- return ok;
+ return true;
}
/* some SCM abbrevs
}
string
-robust_scm2string (SCM k, string s)
+robust_scm2string (SCM k, const string &s)
{
if (scm_is_string (k))
- s = ly_scm2string (k);
+ return ly_scm2string (k);
return 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)
{
projects / lilypond.git / blobdiff