/*
- lily-guile.cc -- implement assorted guile functions
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 1998--2015 Jan Nieuwenhuizen <janneke@gnu.org>
+ Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1998--1999 Jan Nieuwenhuizen <janneke@gnu.org>
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
- Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
+#include "lily-guile.hh"
+
+#include <cstdio>
+#include <cstdlib>
+#include <cstring> /* strdup, strchr */
+#include <cctype>
-#include <stdio.h>
-#include <stdlib.h>
+using namespace std;
+#include "dimensions.hh"
+#include "direction.hh"
+#include "file-path.hh"
+#include "international.hh"
#include "libc-extension.hh"
-#include "lily-guile.hh"
#include "main.hh"
-#include "simple-file-storage.hh"
-#include "file-path.hh"
-#include "debug.hh"
-#include "direction.hh"
+#include "misc.hh"
+#include "offset.hh"
+#include "pitch.hh"
+#include "string-convert.hh"
+#include "source-file.hh"
+#include "version.hh"
+#include "warn.hh"
+#include "lily-imports.hh"
-SCM
-ly_str02scm (char const*c)
+/*
+ symbols/strings.
+ */
+string
+ly_scm_write_string (SCM s)
{
- // this all really sucks, guile should take char const* arguments!
- return gh_str02scm ((char*)c);
+ SCM port = scm_mkstrport (SCM_INUM0,
+ scm_make_string (SCM_INUM0, SCM_UNDEFINED),
+ SCM_OPN | SCM_WRTNG,
+ "ly_write2string");
+ // SCM write = scm_eval_3 (ly_symbol2scm ("write"), s, SCM_EOL);
+ SCM write = scm_primitive_eval (ly_symbol2scm ("write"));
+
+ // scm_apply (write, port, SCM_EOL);
+ scm_call_2 (write, s, port);
+ return ly_scm2string (scm_strport_to_string (port));
}
SCM
-ly_eval_str (char const*c)
+ly_quote_scm (SCM s)
+{
+ return scm_list_2 (ly_symbol2scm ("quote"), s);
+}
+
+string
+ly_symbol2string (SCM s)
+{
+ /*
+ Ugh. this is not very efficient.
+ */
+ return ly_scm2string (scm_symbol_to_string (s));
+}
+
+string
+robust_symbol2string (SCM sym, const string &str)
{
- // this all really sucks, guile should take char const* arguments!
- return gh_eval_str ((char*)c);
+ return scm_is_symbol (sym) ? ly_symbol2string (sym) : str;
}
-
+string
+gulp_file_to_string (const string &fn, bool must_exist, int size)
+{
+ string s = global_path.find (fn);
+ if (s == "")
+ {
+ if (must_exist)
+ {
+ string e = _f ("cannot find file: `%s'", fn);
+ e += " ";
+ e += _f ("(load path: `%s')", global_path.to_string ());
+ error (e);
+ /* unreachable */
+ }
+ return s;
+ }
+
+ debug_output ("[" + s, true);
+
+ vector<char> chars = gulp_file (s, size);
+ string result (&chars[0], chars.size ());
+
+ debug_output ("]\n", false);
+
+ return result;
+}
+
+extern "C" {
+ // maybe gdb 5.0 becomes quicker if it doesn't do fancy C++ typing?
+ void
+ ly_display_scm (SCM s)
+ {
+ scm_display (s, scm_current_output_port ());
+ scm_newline (scm_current_output_port ());
+ }
+};
+
/*
- Pass string to scm parser, evaluate one expression.
- Return result value and #chars read.
+ STRINGS
+ */
+string
+ly_scm2string (SCM str)
+{
+ assert (scm_is_string (str));
+ string result;
+ size_t len = scm_c_string_length (str);
+ if (len)
+ {
+ result.resize (len);
+ scm_to_locale_stringbuf (str, &result.at (0), len);
+ }
+ return result;
+}
- Thanks to Gary Houston <ghouston@freewire.co.uk>
+SCM
+ly_string2scm (string const &str)
+{
+ return scm_from_locale_stringn (str.c_str (),
+ str.length ());
+}
+
+char *
+ly_scm2str0 (SCM str)
+{
+ return scm_to_utf8_string (str);
+}
- Need guile-1.3.4 (>1.3 anyway) for ftell on str ports -- jcn
+/*
+ PAIRS
*/
SCM
-ly_parse_scm (char const* s, int* n)
+index_get_cell (SCM s, Direction d)
{
- SCM str = gh_str02scm ((char*)s);
- SCM port = scm_mkstrport (SCM_INUM0, str, SCM_OPN | SCM_RDNG,
- "scm_eval_0str");
- SCM from = scm_ftell (port);
+ assert (d);
+ return (d == LEFT) ? scm_car (s) : scm_cdr (s);
+}
- SCM form;
- SCM answer = SCM_UNSPECIFIED;
+SCM
+index_set_cell (SCM s, Direction d, SCM v)
+{
+ if (d == LEFT)
+ scm_set_car_x (s, v);
+ else if (d == RIGHT)
+ scm_set_cdr_x (s, v);
+ return s;
+}
- /* Read expression from port */
- if (!SCM_EOF_OBJECT_P (form = scm_read (port)))
- answer = scm_eval_x (form);
+bool
+is_number_pair (SCM p)
+{
+ return scm_is_pair (p)
+ && scm_is_number (scm_car (p)) && scm_is_number (scm_cdr (p));
+}
- /*
- After parsing
+unsigned int
+ly_scm_hash (SCM s)
+{
+ return scm_ihashv (s, ~1u);
+}
- (begin (foo 1 2))
+bool
+is_axis (SCM s)
+{
+ if (scm_is_integer (s))
+ {
+ int i = scm_to_int (s);
+ return i == 0 || i == 1;
+ }
+ return false;
+}
- all seems fine, but after parsing
+bool
+to_boolean (SCM s)
+{
+ return scm_is_bool (s) && ly_scm2bool (s);
+}
- (foo 1 2)
+/*
+ DIRECTIONS
+ */
+Direction
+to_dir (SCM s)
+{
+ return scm_is_integer (s) ? (Direction) scm_to_int (s) : CENTER;
+}
- read_buf has been advanced to read_pos - 1,
- so that scm_ftell returns 1, instead of #parsed chars
- */
-
- /*
- urg: reset read_buf for scm_ftell
- shouldn't scm_read () do this for us?
- */
- scm_fill_input (port);
- SCM to = scm_ftell (port);
- *n = gh_scm2int (to) - gh_scm2int (from);
+Direction
+robust_scm2dir (SCM d, Direction def)
+{
+ if (is_direction (d))
+ def = to_dir (d);
+ return def;
+}
+
+bool
+is_direction (SCM s)
+{
+ if (scm_is_number (s))
+ {
+ int i = scm_to_int (s);
+ return i >= -1 && i <= 1;
+ }
+ return false;
+}
- /* Don't close the port here; if we re-enter this function via a
- continuation, then the next time we enter it, we'll get an error.
- It's a string port anyway, so there's no advantage to closing it
- early.
+/*
+ INTERVALS
+ */
+Interval
+ly_scm2interval (SCM p)
+{
+ return Interval (scm_to_double (scm_car (p)),
+ scm_to_double (scm_cdr (p)));
+}
- scm_close_port (port);
- */
+Drul_array<Real>
+ly_scm2realdrul (SCM p)
+{
+ return Drul_array<Real> (scm_to_double (scm_car (p)),
+ scm_to_double (scm_cdr (p)));
+}
- return answer;
+SCM
+ly_interval2scm (Drul_array<Real> i)
+{
+ return scm_cons (scm_from_double (i[LEFT]), scm_from_double (i[RIGHT]));
+}
+
+Interval
+robust_scm2interval (SCM k, Drul_array<Real> v)
+{
+ Interval i;
+ i[LEFT] = v[LEFT];
+ i[RIGHT] = v[RIGHT];
+ if (is_number_pair (k))
+ i = ly_scm2interval (k);
+ return i;
+}
+
+Drul_array<Real>
+robust_scm2drul (SCM k, Drul_array<Real> v)
+{
+ if (is_number_pair (k))
+ v = ly_scm2interval (k);
+ return v;
+}
+
+Drul_array<bool>
+robust_scm2booldrul (SCM k, Drul_array<bool> def)
+{
+ if (scm_is_pair (k))
+ {
+ def[LEFT] = to_boolean (scm_car (k));
+ def[RIGHT] = to_boolean (scm_cdr (k));
+ }
+ return def;
}
/*
- scm_m_quote doesn't use any env, but needs one for a good signature in GUILE.
+ OFFSET
*/
SCM
-ly_quote_scm (SCM s)
+ly_offset2scm (Offset o)
{
- return gh_list (ly_symbol2scm ("quote"), s, SCM_UNDEFINED);
+ return scm_cons (scm_from_double (o[X_AXIS]), scm_from_double (o[Y_AXIS]));
}
+Offset
+ly_scm2offset (SCM s)
+{
+ return Offset (scm_to_double (scm_car (s)),
+ scm_to_double (scm_cdr (s)));
+}
+Offset
+robust_scm2offset (SCM k, Offset o)
+{
+ if (is_number_pair (k))
+ o = ly_scm2offset (k);
+ return o;
+}
SCM
-ly_symbol2scm(const char *s)
+ly_offsets2scm (vector<Offset> os)
{
- return gh_symbol2scm ((char *)s);
+ SCM l = SCM_EOL;
+ SCM *tail = &l;
+ for (vsize i = 0; i < os.size (); i++)
+ {
+ *tail = scm_cons (ly_offset2scm (os[i]), SCM_EOL);
+ tail = SCM_CDRLOC (*tail);
+ }
+ return l;
}
-String
-ly_symbol2string (SCM s)
+vector<Offset>
+ly_scm2offsets (SCM s)
{
- return String((Byte*)SCM_CHARS (s), (int) SCM_LENGTH(s));
+ vector<Offset> os;
+ for (; scm_is_pair (s); s = scm_cdr (s))
+ os.push_back (ly_scm2offset (scm_car (s)));
+ return os;
}
+/*
+ ALIST
+*/
+SCM
+ly_alist_vals (SCM alist)
+{
+ SCM x = SCM_EOL;
+ for (SCM p = alist; scm_is_pair (p); p = scm_cdr (p))
+ x = scm_cons (scm_cdar (p), x);
+ return x;
+}
-/**
- Read a file, and shove it down GUILE. GUILE also has file read
- functions, but you can't fiddle with the path of those.
+/*
+ LISTS
*/
-void
-read_lily_scm_file (String fn)
+
+/* Return I-th element, or last elt L. If I < 0, then we take the first
+ element.
+
+ PRE: length (L) > 0 */
+SCM
+robust_list_ref (int i, SCM l)
{
- String s = global_path.find (fn);
- if (s == "")
+ while (i-- > 0 && scm_is_pair (scm_cdr (l)))
+ l = scm_cdr (l);
+ return scm_car (l);
+}
+
+SCM
+ly_deep_copy (SCM src)
+{
+ if (scm_is_pair (src))
{
- String e = _f ("Can't find file: `%s'", fn);
- e += " ";
- e += _f ("(load path: `%s')", global_path.str ());
- error (e);
+ 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;
}
- else
- *mlog << '[' << s;
-
-
- Simple_file_storage f(s);
-
- ly_eval_str ((char *) f.ch_C());
- *mlog << "]" << flush;
+ if (scm_is_vector (src))
+ {
+ int len = scm_c_vector_length (src);
+ SCM nv = scm_c_make_vector (len, SCM_UNDEFINED);
+ for (int i = 0; i < len; i++)
+ {
+ SCM si = scm_from_int (i);
+ scm_vector_set_x (nv, si, ly_deep_copy (scm_vector_ref (src, si)));
+ }
+ return nv;
+ }
+ return src;
}
+string
+print_scm_val (SCM val)
+{
+ string realval = ly_scm_write_string (val);
+ if (realval.length () > 200)
+ realval = realval.substr (0, 100)
+ + "\n :\n :\n"
+ + realval.substr (realval.length () - 100);
+ return realval;
+}
-SCM
-ly_gulp_file (SCM name)
+bool
+type_check_assignment (SCM sym, SCM val, SCM type_symbol)
{
- String fn (ly_scm2string (name));
- String s = global_path.find (fn);
- if (s == "")
+
+ // If undefined, some internal function caused it...should never happen.
+ assert (!SCM_UNBNDP (val));
+ if (!scm_is_symbol (sym))
+ return false;
+
+ SCM type = scm_object_property (sym, type_symbol);
+
+ if (!scm_is_null (type) && !ly_is_procedure (type))
{
- String e = _f ("Can't find file: `%s'", fn);
- e += " ";
- e += _f ("(load path: `%s')", global_path.str ());
- error (e);
+ warning (_f ("cannot find property type-check for `%s' (%s).",
+ ly_symbol2string (sym).c_str (),
+ ly_symbol2string (type_symbol).c_str ())
+ + " " + _ ("perhaps a typing error?"));
+
+ /* Be strict when being anal :) */
+ if (do_internal_type_checking_global)
+ scm_throw (ly_symbol2scm ("ly-file-failed"), scm_list_3 (ly_symbol2scm ("typecheck"),
+ sym, val));
+
+ warning (_ ("skipping assignment"));
+ return false;
}
- else
- *mlog << '[' << s;
+ /*
+ Always succeeds.
- Simple_file_storage f(s);
- SCM result = ly_str02scm (f.ch_C());
- *mlog << "]";
- return result;
+
+ TODO: should remove #f from allowed vals?
+ */
+ if (scm_is_null (val) || scm_is_false (val))
+ return true;
+
+ if (!scm_is_null (val)
+ && ly_is_procedure (type)
+ && scm_is_false (scm_call_1 (type, val)))
+ {
+ SCM type_name = Lily::type_name (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 true;
}
void
-ly_display_scm (SCM s)
+ly_wrong_smob_arg (bool pred (SCM), SCM var, int number, const char *fun)
{
- gh_display (s);
- gh_newline ();
+ string type = predicate_to_typename ((void *) pred);
+ if (pred (var))
+ {
+ // Uh oh. unsmob<T> delivered 0, yet
+ // unsmob<T> delivers true. This means that unsmob<T> is a
+ // matching check from a base class of T, but var is of an
+ // incompatible derived type.
+ type = string (_ ("Wrong kind of ")).append (type);
+ }
+ scm_wrong_type_arg_msg (mangle_cxx_identifier (fun).c_str (),
+ number, var, type.c_str ());
}
-String
-ly_scm2string (SCM s)
-{
- int len;
- char * p = gh_scm2newstr (s , &len);
-
- String r (p);
- free (p);
- return r;
-}
+/* some SCM abbrevs
+
+zijn deze nou handig?
+zijn ze er al in scheme, maar heten ze anders? */
+/* Remove doubles from (sorted) list */
SCM
-index_cell (SCM s, Direction d)
+ly_unique (SCM list)
{
- assert (d);
- return (d == LEFT) ? gh_car (s) : gh_cdr (s);
+ SCM unique = SCM_EOL;
+ for (SCM i = list; scm_is_pair (i); i = scm_cdr (i))
+ {
+ if (!scm_is_pair (scm_cdr (i))
+ || !ly_is_equal (scm_car (i), scm_cadr (i)))
+ unique = scm_cons (scm_car (i), unique);
+ }
+ return scm_reverse_x (unique, SCM_EOL);
}
+/* Split list at member s, removing s.
+ Return (BEFORE . AFTER) */
SCM
-index_set_cell (SCM s, Direction d, SCM v)
+ly_split_list (SCM s, SCM list)
{
- if (d == LEFT)
- gh_set_car_x (s, v);
- else if (d == RIGHT)
- gh_set_cdr_x (s, v);
- return s;
+ SCM before = SCM_EOL;
+ SCM after = list;
+ for (; scm_is_pair (after);)
+ {
+ SCM i = scm_car (after);
+ after = scm_cdr (after);
+ if (ly_is_equal (i, s))
+ break;
+ before = scm_cons (i, before);
+ }
+ return scm_cons (scm_reverse_x (before, SCM_EOL), after);
+}
+
+void
+taint (SCM *)
+{
+ /*
+ nop.
+ */
}
-
+
+/*
+ display stuff without using stack
+*/
SCM
-array_to_list (SCM *a , int l)
+display_list (SCM s)
{
- SCM list = SCM_EOL;
- for (int i= l; i--; )
+ SCM p = scm_current_output_port ();
+
+ scm_puts ("(", p);
+ for (; scm_is_pair (s); s = scm_cdr (s))
{
- list = gh_cons (a[i], list);
+ scm_display (scm_car (s), p);
+ scm_puts (" ", p);
}
- return list;
+ scm_puts (")", p);
+ return SCM_UNSPECIFIED;
}
-SCM
-ly_warning (SCM str)
+Slice
+int_list_to_slice (SCM l)
+{
+ Slice s;
+ s.set_empty ();
+ for (; scm_is_pair (l); l = scm_cdr (l))
+ if (scm_is_number (scm_car (l)))
+ s.add_point (scm_to_int (scm_car (l)));
+ return s;
+}
+
+Real
+robust_scm2double (SCM k, double x)
{
- assert (gh_string_p (str));
- warning ("lily-guile: " + ly_scm2string (str));
- return SCM_BOOL_T;
+ if (scm_is_number (k))
+ x = scm_to_double (k);
+ 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_isdir_p (SCM s)
+ly_floatvector2scm (vector<Real> v)
{
- if (gh_number_p (s))
+ SCM l = SCM_EOL;
+ SCM *tail = &l;
+ for (vsize i = 0; i < v.size (); i++)
{
- int i = gh_scm2int (s);
- return (i>= -1 && i <= 1) ? SCM_BOOL_T : SCM_BOOL_F;
+ *tail = scm_cons (scm_from_double (v[i]), SCM_EOL);
+ tail = SCM_CDRLOC (*tail);
}
- return SCM_BOOL_F;
+ return l;
}
+string
+robust_scm2string (SCM k, const string &s)
+{
+ if (scm_is_string (k))
+ return ly_scm2string (k);
+ return s;
+}
-void
-init_functions ()
+int
+robust_scm2int (SCM k, int o)
{
- scm_make_gsubr ("ly-warn", 1, 0, 0, (SCM(*)(...))ly_warning);
- scm_make_gsubr ("ly-gulp-file", 1,0, 0, (SCM(*)(...))ly_gulp_file);
- scm_make_gsubr ("dir?", 1,0, 0, (SCM(*)(...))ly_isdir_p);
+ if (scm_is_integer (k))
+ o = scm_to_int (k);
+ return o;
}
-ADD_SCM_INIT_FUNC(funcs, init_functions);
+vsize
+robust_scm2vsize (SCM k, vsize o)
+{
+ if (scm_is_integer (k))
+ {
+ 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);
+ }
-typedef void (*Void_fptr)();
-Array<Void_fptr> *scm_init_funcs_;
+ return scm_divide (scm_from_int64 (r.numerator ()),
+ scm_from_int64 (r.denominator ()));
+}
-void add_scm_init_func (void (*f)())
+Rational
+ly_scm2rational (SCM r)
{
- if (!scm_init_funcs_)
- scm_init_funcs_ = new Array<Void_fptr>;
+ 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;
+ }
+ }
- scm_init_funcs_->push (f);
+ return Rational (scm_to_int64 (scm_numerator (r)),
+ scm_to_int64 (scm_denominator (r)));
}
-void
-init_lily_guile ()
+Rational
+robust_scm2rational (SCM n, Rational rat)
+{
+ if (ly_is_rational (n))
+ return ly_scm2rational (n);
+ else
+ return rat;
+}
+
+bool
+ly_is_rational (SCM n)
{
- for (int i=scm_init_funcs_->size() ; i--;)
- (scm_init_funcs_->elem (i)) ();
+ return (scm_is_real (n)
+ && (scm_is_true (scm_exact_p (n))
+ || scm_is_true (scm_inf_p (n))));
}
-unsigned int ly_scm_hash (SCM s)
+SCM
+alist_to_hashq (SCM alist)
{
- return scm_ihashv (s, ~1u);
+ int i = scm_ilength (alist);
+ if (i < 0)
+ return scm_c_make_hash_table (0);
+
+ SCM tab = scm_c_make_hash_table (i);
+ for (SCM s = alist; scm_is_pair (s); s = scm_cdr (s))
+ {
+ SCM pt = scm_cdar (s);
+ scm_hashq_set_x (tab, scm_caar (s), pt);
+ }
+ return tab;
}
+SCM
+ly_hash2alist (SCM tab)
+{
+ return Lily::hash_table_to_alist (tab);
+}
+/*
+ C++ interfacing.
+ */
-bool
-isdir_b (SCM s)
+string
+mangle_cxx_identifier (string cxx_id)
{
- if (gh_number_p (s))
+ if (cxx_id.substr (0, 3) == "ly_")
+ cxx_id = cxx_id.replace (0, 3, "ly:");
+ else
{
- int i = gh_scm2int (s);
- return i>= -1 && i <= 1;
+ cxx_id = String_convert::to_lower (cxx_id);
+ cxx_id = "ly:" + cxx_id;
}
- return false;
+ if (cxx_id.substr (cxx_id.length () - 2) == "_p")
+ cxx_id = cxx_id.replace (cxx_id.length () - 2, 2, "?");
+ else if (cxx_id.substr (cxx_id.length () - 2) == "_x")
+ cxx_id = cxx_id.replace (cxx_id.length () - 2, 2, "!");
+
+ replace_all (&cxx_id, "_less?", "<?");
+ replace_all (&cxx_id, "_2_", "->");
+ replace_all (&cxx_id, "__", "::");
+ replace_all (&cxx_id, '_', '-');
+
+ return cxx_id;
}
-Direction
-to_dir (SCM s)
+SCM
+ly_string_array_to_scm (vector<string> a)
+{
+ SCM s = SCM_EOL;
+ for (vsize i = a.size (); i; i--)
+ s = scm_cons (ly_symbol2scm (a[i - 1].c_str ()), s);
+ return s;
+}
+
+/* SYMBOLS is a whitespace separated list. */
+SCM
+parse_symbol_list (char const *symbols)
{
- return (Direction) gh_scm2int (s);
+ while (isspace (*symbols))
+ symbols++;
+ string s = symbols;
+ replace_all (&s, '\n', ' ');
+ replace_all (&s, '\t', ' ');
+ replace_all (&s, " ", " ");
+ return ly_string_array_to_scm (string_split (s, ' '));
}
+/* GDB debugging. */
+struct ly_t_double_cell
+{
+ SCM a;
+ SCM b;
+ SCM c;
+ SCM d;
+};
+
+/* inserts at front, removing duplicates */
+SCM ly_assoc_prepend_x (SCM alist, SCM key, SCM val)
+{
+ return scm_acons (key, val, scm_assoc_remove_x (alist, key));
+}
projects / lilypond.git / blobdiff