2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1998--2015 Jan Nieuwenhuizen <janneke@gnu.org>
5 Han-Wen Nienhuys <hanwen@xs4all.nl>
7 LilyPond is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 LilyPond is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
21 #include "lily-guile.hh"
25 #include <cstring> /* strdup, strchr */
30 #include "dimensions.hh"
31 #include "direction.hh"
32 #include "file-path.hh"
33 #include "international.hh"
34 #include "libc-extension.hh"
39 #include "string-convert.hh"
40 #include "source-file.hh"
43 #include "lily-imports.hh"
49 ly_scm_write_string (SCM s)
51 SCM port = scm_mkstrport (SCM_INUM0,
52 scm_make_string (SCM_INUM0, SCM_UNDEFINED),
55 // SCM write = scm_eval_3 (ly_symbol2scm ("write"), s, SCM_EOL);
56 SCM write = scm_primitive_eval (ly_symbol2scm ("write"));
58 // scm_apply (write, port, SCM_EOL);
59 scm_call_2 (write, s, port);
60 return ly_scm2string (scm_strport_to_string (port));
66 return scm_list_2 (ly_symbol2scm ("quote"), s);
70 ly_symbol2string (SCM s)
73 Ugh. this is not very efficient.
75 return ly_scm2string (scm_symbol_to_string (s));
79 robust_symbol2string (SCM sym, const string &str)
81 return scm_is_symbol (sym) ? ly_symbol2string (sym) : str;
85 gulp_file_to_string (const string &fn, bool must_exist, int size)
87 string s = global_path.find (fn);
92 string e = _f ("cannot find file: `%s'", fn);
94 e += _f ("(load path: `%s')", global_path.to_string ());
101 debug_output ("[" + s, true);
103 vector<char> chars = gulp_file (s, size);
104 string result (&chars[0], chars.size ());
106 debug_output ("]\n", false);
112 // maybe gdb 5.0 becomes quicker if it doesn't do fancy C++ typing?
114 ly_display_scm (SCM s)
116 scm_display (s, scm_current_output_port ());
117 scm_newline (scm_current_output_port ());
125 ly_scm2string (SCM str)
127 assert (scm_is_string (str));
129 size_t len = scm_c_string_length (str);
133 scm_to_locale_stringbuf (str, &result.at (0), len);
139 ly_string2scm (string const &str)
141 return scm_from_locale_stringn (str.c_str (),
146 ly_scm2str0 (SCM str)
148 return scm_to_utf8_string (str);
155 index_get_cell (SCM s, Direction d)
158 return (d == LEFT) ? scm_car (s) : scm_cdr (s);
162 index_set_cell (SCM s, Direction d, SCM v)
165 scm_set_car_x (s, v);
167 scm_set_cdr_x (s, v);
172 is_number_pair (SCM p)
174 return scm_is_pair (p)
175 && scm_is_number (scm_car (p)) && scm_is_number (scm_cdr (p));
181 return scm_ihashv (s, ~1u);
187 if (scm_is_integer (s))
189 int i = scm_to_int (s);
190 return i == 0 || i == 1;
198 return scm_is_bool (s) && ly_scm2bool (s);
207 return scm_is_integer (s) ? (Direction) scm_to_int (s) : CENTER;
211 robust_scm2dir (SCM d, Direction def)
213 if (is_direction (d))
221 if (scm_is_number (s))
223 int i = scm_to_int (s);
224 return i >= -1 && i <= 1;
233 ly_scm2interval (SCM p)
235 return Interval (scm_to_double (scm_car (p)),
236 scm_to_double (scm_cdr (p)));
240 ly_scm2realdrul (SCM p)
242 return Drul_array<Real> (scm_to_double (scm_car (p)),
243 scm_to_double (scm_cdr (p)));
247 ly_interval2scm (Drul_array<Real> i)
249 return scm_cons (scm_from_double (i[LEFT]), scm_from_double (i[RIGHT]));
253 robust_scm2interval (SCM k, Drul_array<Real> v)
258 if (is_number_pair (k))
259 i = ly_scm2interval (k);
264 robust_scm2drul (SCM k, Drul_array<Real> v)
266 if (is_number_pair (k))
267 v = ly_scm2interval (k);
272 robust_scm2booldrul (SCM k, Drul_array<bool> def)
276 def[LEFT] = to_boolean (scm_car (k));
277 def[RIGHT] = to_boolean (scm_cdr (k));
286 ly_offset2scm (Offset o)
288 return scm_cons (scm_from_double (o[X_AXIS]), scm_from_double (o[Y_AXIS]));
292 ly_scm2offset (SCM s)
294 return Offset (scm_to_double (scm_car (s)),
295 scm_to_double (scm_cdr (s)));
299 robust_scm2offset (SCM k, Offset o)
301 if (is_number_pair (k))
302 o = ly_scm2offset (k);
306 ly_offsets2scm (vector<Offset> os)
310 for (vsize i = 0; i < os.size (); i++)
312 *tail = scm_cons (ly_offset2scm (os[i]), SCM_EOL);
313 tail = SCM_CDRLOC (*tail);
319 ly_scm2offsets (SCM s)
322 for (; scm_is_pair (s); s = scm_cdr (s))
323 os.push_back (ly_scm2offset (scm_car (s)));
331 ly_alist_vals (SCM alist)
334 for (SCM p = alist; scm_is_pair (p); p = scm_cdr (p))
335 x = scm_cons (scm_cdar (p), x);
343 /* Return I-th element, or last elt L. If I < 0, then we take the first
346 PRE: length (L) > 0 */
348 robust_list_ref (int i, SCM l)
350 while (i-- > 0 && scm_is_pair (scm_cdr (l)))
356 ly_deep_copy (SCM src)
358 if (scm_is_pair (src))
363 res = scm_cons (ly_deep_copy (scm_car (src)), res);
366 while (scm_is_pair (src));
367 // Oh, come on, GUILE. Why do you require the second argument
368 // of scm_reverse_x to be a proper list? That makes no sense.
369 // return scm_reverse_x (res, ly_deep_copy (src));
371 res = scm_reverse_x (res, SCM_EOL);
372 scm_set_cdr_x (last_cons, ly_deep_copy (src));
375 if (scm_is_vector (src))
377 int len = scm_c_vector_length (src);
378 SCM nv = scm_c_make_vector (len, SCM_UNDEFINED);
379 for (int i = 0; i < len; i++)
381 SCM si = scm_from_int (i);
382 scm_vector_set_x (nv, si, ly_deep_copy (scm_vector_ref (src, si)));
390 print_scm_val (SCM val)
392 string realval = ly_scm_write_string (val);
393 if (realval.length () > 200)
394 realval = realval.substr (0, 100)
396 + realval.substr (realval.length () - 100);
401 type_check_assignment (SCM sym, SCM val, SCM type_symbol)
404 // If undefined, some internal function caused it...should never happen.
405 assert (!SCM_UNBNDP (val));
406 if (!scm_is_symbol (sym))
409 SCM type = scm_object_property (sym, type_symbol);
411 if (!scm_is_null (type) && !ly_is_procedure (type))
413 warning (_f ("cannot find property type-check for `%s' (%s).",
414 ly_symbol2string (sym).c_str (),
415 ly_symbol2string (type_symbol).c_str ())
416 + " " + _ ("perhaps a typing error?"));
418 /* Be strict when being anal :) */
419 if (do_internal_type_checking_global)
420 scm_throw (ly_symbol2scm ("ly-file-failed"), scm_list_3 (ly_symbol2scm ("typecheck"),
423 warning (_ ("skipping assignment"));
431 TODO: should remove #f from allowed vals?
433 if (scm_is_null (val) || scm_is_false (val))
436 if (!scm_is_null (val)
437 && ly_is_procedure (type)
438 && scm_is_false (scm_call_1 (type, val)))
440 SCM type_name = Lily::type_name (type);
442 warning (_f ("type check for `%s' failed; value `%s' must be of type `%s'",
443 ly_symbol2string (sym).c_str (),
445 ly_scm2string (type_name).c_str ()));
446 progress_indication ("\n");
453 ly_wrong_smob_arg (bool pred (SCM), SCM var, int number, const char *fun)
455 string type = predicate_to_typename ((void *) pred);
458 // Uh oh. unsmob<T> delivered 0, yet
459 // unsmob<T> delivers true. This means that unsmob<T> is a
460 // matching check from a base class of T, but var is of an
461 // incompatible derived type.
462 type = string (_ ("Wrong kind of ")).append (type);
464 scm_wrong_type_arg_msg (mangle_cxx_identifier (fun).c_str (),
465 number, var, type.c_str ());
471 zijn deze nou handig?
472 zijn ze er al in scheme, maar heten ze anders? */
474 /* Remove doubles from (sorted) list */
478 SCM unique = SCM_EOL;
479 for (SCM i = list; scm_is_pair (i); i = scm_cdr (i))
481 if (!scm_is_pair (scm_cdr (i))
482 || !ly_is_equal (scm_car (i), scm_cadr (i)))
483 unique = scm_cons (scm_car (i), unique);
485 return scm_reverse_x (unique, SCM_EOL);
488 /* Split list at member s, removing s.
489 Return (BEFORE . AFTER) */
491 ly_split_list (SCM s, SCM list)
493 SCM before = SCM_EOL;
495 for (; scm_is_pair (after);)
497 SCM i = scm_car (after);
498 after = scm_cdr (after);
499 if (ly_is_equal (i, s))
501 before = scm_cons (i, before);
503 return scm_cons (scm_reverse_x (before, SCM_EOL), after);
515 display stuff without using stack
520 SCM p = scm_current_output_port ();
523 for (; scm_is_pair (s); s = scm_cdr (s))
525 scm_display (scm_car (s), p);
529 return SCM_UNSPECIFIED;
533 int_list_to_slice (SCM l)
537 for (; scm_is_pair (l); l = scm_cdr (l))
538 if (scm_is_number (scm_car (l)))
539 s.add_point (scm_to_int (scm_car (l)));
544 robust_scm2double (SCM k, double x)
546 if (scm_is_number (k))
547 x = scm_to_double (k);
552 ly_scm2floatvector (SCM l)
555 for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
556 floats.push_back (robust_scm2double (scm_car (s), 0.0));
561 ly_floatvector2scm (vector<Real> v)
565 for (vsize i = 0; i < v.size (); i++)
567 *tail = scm_cons (scm_from_double (v[i]), SCM_EOL);
568 tail = SCM_CDRLOC (*tail);
574 robust_scm2string (SCM k, const string &s)
576 if (scm_is_string (k))
577 return ly_scm2string (k);
582 robust_scm2int (SCM k, int o)
584 if (scm_is_integer (k))
590 robust_scm2vsize (SCM k, vsize o)
592 if (scm_is_integer (k))
594 int i = scm_to_int (k);
602 ly_rational2scm (Rational r)
604 if (r.is_infinity ())
606 if (r > Rational (0))
609 return scm_difference (scm_inf (), SCM_UNDEFINED);
612 return scm_divide (scm_from_int64 (r.numerator ()),
613 scm_from_int64 (r.denominator ()));
617 ly_scm2rational (SCM r)
619 if (scm_is_true (scm_inf_p (r)))
621 if (scm_is_true (scm_positive_p (r)))
635 return Rational (scm_to_int64 (scm_numerator (r)),
636 scm_to_int64 (scm_denominator (r)));
640 robust_scm2rational (SCM n, Rational rat)
642 if (ly_is_rational (n))
643 return ly_scm2rational (n);
649 ly_is_rational (SCM n)
651 return (scm_is_real (n)
652 && (scm_is_true (scm_exact_p (n))
653 || scm_is_true (scm_inf_p (n))));
657 alist_to_hashq (SCM alist)
659 int i = scm_ilength (alist);
661 return scm_c_make_hash_table (0);
663 SCM tab = scm_c_make_hash_table (i);
664 for (SCM s = alist; scm_is_pair (s); s = scm_cdr (s))
666 SCM pt = scm_cdar (s);
667 scm_hashq_set_x (tab, scm_caar (s), pt);
673 ly_hash2alist (SCM tab)
675 return Lily::hash_table_to_alist (tab);
683 mangle_cxx_identifier (string cxx_id)
685 if (cxx_id.substr (0, 3) == "ly_")
686 cxx_id = cxx_id.replace (0, 3, "ly:");
689 cxx_id = String_convert::to_lower (cxx_id);
690 cxx_id = "ly:" + cxx_id;
692 if (cxx_id.substr (cxx_id.length () - 2) == "_p")
693 cxx_id = cxx_id.replace (cxx_id.length () - 2, 2, "?");
694 else if (cxx_id.substr (cxx_id.length () - 2) == "_x")
695 cxx_id = cxx_id.replace (cxx_id.length () - 2, 2, "!");
697 replace_all (&cxx_id, "_less?", "<?");
698 replace_all (&cxx_id, "_2_", "->");
699 replace_all (&cxx_id, "__", "::");
700 replace_all (&cxx_id, '_', '-');
706 ly_string_array_to_scm (vector<string> a)
709 for (vsize i = a.size (); i; i--)
710 s = scm_cons (ly_symbol2scm (a[i - 1].c_str ()), s);
714 /* SYMBOLS is a whitespace separated list. */
716 parse_symbol_list (char const *symbols)
718 while (isspace (*symbols))
721 replace_all (&s, '\n', ' ');
722 replace_all (&s, '\t', ' ');
723 replace_all (&s, " ", " ");
724 return ly_string_array_to_scm (string_split (s, ' '));
728 struct ly_t_double_cell
736 /* inserts at front, removing duplicates */
737 SCM ly_assoc_prepend_x (SCM alist, SCM key, SCM val)
739 return scm_acons (key, val, scm_assoc_remove_x (alist, key));