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"
52 ly_scm_write_string (SCM s)
54 SCM port = scm_mkstrport (SCM_INUM0,
55 scm_make_string (SCM_INUM0, SCM_UNDEFINED),
58 // SCM write = scm_eval_3 (ly_symbol2scm ("write"), s, SCM_EOL);
59 SCM write = scm_primitive_eval (ly_symbol2scm ("write"));
61 // scm_apply (write, port, SCM_EOL);
62 scm_call_2 (write, s, port);
63 return ly_scm2string (scm_strport_to_string (port));
69 return scm_list_2 (ly_symbol2scm ("quote"), s);
73 ly_symbol2string (SCM s)
76 Ugh. this is not very efficient.
78 return ly_scm2string (scm_symbol_to_string (s));
82 robust_symbol2string (SCM sym, const string &str)
84 return scm_is_symbol (sym) ? ly_symbol2string (sym) : str;
88 gulp_file_to_string (const string &fn, bool must_exist, int size)
90 string s = global_path.find (fn);
95 string e = _f ("cannot find file: `%s'", fn);
97 e += _f ("(load path: `%s')", global_path.to_string ());
104 debug_output ("[" + s, true);
106 vector<char> chars = gulp_file (s, size);
107 string result (&chars[0], chars.size ());
109 debug_output ("]\n", false);
115 // maybe gdb 5.0 becomes quicker if it doesn't do fancy C++ typing?
117 ly_display_scm (SCM s)
119 scm_display (s, scm_current_output_port ());
120 scm_newline (scm_current_output_port ());
128 ly_scm2string (SCM str)
130 assert (scm_is_string (str));
132 size_t len = scm_c_string_length (str);
136 scm_to_locale_stringbuf (str, &result.at (0), len);
142 ly_string2scm (string const &str)
144 return scm_from_locale_stringn (str.c_str (),
149 ly_scm2str0 (SCM str)
151 return scm_to_utf8_string (str);
158 index_get_cell (SCM s, Direction d)
161 return (d == LEFT) ? scm_car (s) : scm_cdr (s);
165 index_set_cell (SCM s, Direction d, SCM v)
168 scm_set_car_x (s, v);
170 scm_set_cdr_x (s, v);
175 is_number_pair (SCM p)
177 return scm_is_pair (p)
178 && scm_is_number (scm_car (p)) && scm_is_number (scm_cdr (p));
184 return scm_ihashv (s, ~1u);
190 if (scm_is_integer (s))
192 int i = scm_to_int (s);
193 return i == 0 || i == 1;
201 return scm_is_bool (s) && ly_scm2bool (s);
210 return scm_is_integer (s) ? (Direction) scm_to_int (s) : CENTER;
214 robust_scm2dir (SCM d, Direction def)
216 if (is_direction (d))
224 if (scm_is_number (s))
226 int i = scm_to_int (s);
227 return i >= -1 && i <= 1;
236 ly_scm2interval (SCM p)
238 return Interval (scm_to_double (scm_car (p)),
239 scm_to_double (scm_cdr (p)));
243 ly_scm2realdrul (SCM p)
245 return Drul_array<Real> (scm_to_double (scm_car (p)),
246 scm_to_double (scm_cdr (p)));
250 ly_interval2scm (Drul_array<Real> i)
252 return scm_cons (scm_from_double (i[LEFT]), scm_from_double (i[RIGHT]));
256 robust_scm2interval (SCM k, Drul_array<Real> v)
261 if (is_number_pair (k))
262 i = ly_scm2interval (k);
267 robust_scm2drul (SCM k, Drul_array<Real> v)
269 if (is_number_pair (k))
270 v = ly_scm2interval (k);
275 robust_scm2booldrul (SCM k, Drul_array<bool> def)
279 def[LEFT] = to_boolean (scm_car (k));
280 def[RIGHT] = to_boolean (scm_cdr (k));
289 ly_offset2scm (Offset o)
291 return scm_cons (scm_from_double (o[X_AXIS]), scm_from_double (o[Y_AXIS]));
295 ly_scm2offset (SCM s)
297 return Offset (scm_to_double (scm_car (s)),
298 scm_to_double (scm_cdr (s)));
302 robust_scm2offset (SCM k, Offset o)
304 if (is_number_pair (k))
305 o = ly_scm2offset (k);
309 ly_offsets2scm (vector<Offset> os)
313 for (vsize i = 0; i < os.size (); i++)
315 *tail = scm_cons (ly_offset2scm (os[i]), SCM_EOL);
316 tail = SCM_CDRLOC (*tail);
322 ly_scm2offsets (SCM s)
325 for (; scm_is_pair (s); s = scm_cdr (s))
326 os.push_back (ly_scm2offset (scm_car (s)));
334 ly_alist_vals (SCM alist)
337 for (SCM p = alist; scm_is_pair (p); p = scm_cdr (p))
338 x = scm_cons (scm_cdar (p), x);
346 /* Return I-th element, or last elt L. If I < 0, then we take the first
349 PRE: length (L) > 0 */
351 robust_list_ref (int i, SCM l)
353 while (i-- > 0 && scm_is_pair (scm_cdr (l)))
359 ly_deep_copy (SCM src)
361 if (scm_is_pair (src))
366 res = scm_cons (ly_deep_copy (scm_car (src)), res);
369 while (scm_is_pair (src));
370 // Oh, come on, GUILE. Why do you require the second argument
371 // of scm_reverse_x to be a proper list? That makes no sense.
372 // return scm_reverse_x (res, ly_deep_copy (src));
374 res = scm_reverse_x (res, SCM_EOL);
375 scm_set_cdr_x (last_cons, ly_deep_copy (src));
378 if (scm_is_vector (src))
380 int len = scm_c_vector_length (src);
381 SCM nv = scm_c_make_vector (len, SCM_UNDEFINED);
382 for (int i = 0; i < len; i++)
384 SCM si = scm_from_int (i);
385 scm_vector_set_x (nv, si, ly_deep_copy (scm_vector_ref (src, si)));
393 print_scm_val (SCM val)
395 string realval = ly_scm_write_string (val);
396 if (realval.length () > 200)
397 realval = realval.substr (0, 100)
399 + realval.substr (realval.length () - 100);
404 type_check_assignment (SCM sym, SCM val, SCM type_symbol)
407 // If undefined, some internal function caused it...should never happen.
408 assert (!SCM_UNBNDP (val));
409 if (!scm_is_symbol (sym))
412 SCM type = scm_object_property (sym, type_symbol);
414 if (!scm_is_null (type) && !ly_is_procedure (type))
416 warning (_f ("cannot find property type-check for `%s' (%s).",
417 ly_symbol2string (sym).c_str (),
418 ly_symbol2string (type_symbol).c_str ())
419 + " " + _ ("perhaps a typing error?"));
421 /* Be strict when being anal :) */
422 if (do_internal_type_checking_global)
423 scm_throw (ly_symbol2scm ("ly-file-failed"), scm_list_3 (ly_symbol2scm ("typecheck"),
426 warning (_ ("skipping assignment"));
434 TODO: should remove #f from allowed vals?
436 if (scm_is_null (val) || scm_is_false (val))
439 if (!scm_is_null (val)
440 && ly_is_procedure (type)
441 && scm_is_false (scm_call_1 (type, val)))
443 SCM type_name = Lily::type_name (type);
445 warning (_f ("type check for `%s' failed; value `%s' must be of type `%s'",
446 ly_symbol2string (sym).c_str (),
448 ly_scm2string (type_name).c_str ()));
449 progress_indication ("\n");
456 ly_wrong_smob_arg (bool pred (SCM), SCM var, int number, const char *fun)
458 string type = predicate_to_typename ((void *) pred);
461 // Uh oh. unsmob<T> delivered 0, yet
462 // unsmob<T> delivers true. This means that unsmob<T> is a
463 // matching check from a base class of T, but var is of an
464 // incompatible derived type.
465 type = string (_ ("Wrong kind of ")).append (type);
467 scm_wrong_type_arg_msg (mangle_cxx_identifier (fun).c_str (),
468 number, var, type.c_str ());
474 zijn deze nou handig?
475 zijn ze er al in scheme, maar heten ze anders? */
477 /* Remove doubles from (sorted) list */
481 SCM unique = SCM_EOL;
482 for (SCM i = list; scm_is_pair (i); i = scm_cdr (i))
484 if (!scm_is_pair (scm_cdr (i))
485 || !ly_is_equal (scm_car (i), scm_cadr (i)))
486 unique = scm_cons (scm_car (i), unique);
488 return scm_reverse_x (unique, SCM_EOL);
491 /* Split list at member s, removing s.
492 Return (BEFORE . AFTER) */
494 ly_split_list (SCM s, SCM list)
496 SCM before = SCM_EOL;
498 for (; scm_is_pair (after);)
500 SCM i = scm_car (after);
501 after = scm_cdr (after);
502 if (ly_is_equal (i, s))
504 before = scm_cons (i, before);
506 return scm_cons (scm_reverse_x (before, SCM_EOL), after);
518 display stuff without using stack
523 SCM p = scm_current_output_port ();
526 for (; scm_is_pair (s); s = scm_cdr (s))
528 scm_display (scm_car (s), p);
532 return SCM_UNSPECIFIED;
536 int_list_to_slice (SCM l)
540 for (; scm_is_pair (l); l = scm_cdr (l))
541 if (scm_is_number (scm_car (l)))
542 s.add_point (scm_to_int (scm_car (l)));
547 robust_scm2double (SCM k, double x)
549 if (scm_is_number (k))
550 x = scm_to_double (k);
555 ly_scm2floatvector (SCM l)
558 for (SCM s = l; scm_is_pair (s); s = scm_cdr (s))
559 floats.push_back (robust_scm2double (scm_car (s), 0.0));
564 ly_floatvector2scm (vector<Real> v)
568 for (vsize i = 0; i < v.size (); i++)
570 *tail = scm_cons (scm_from_double (v[i]), SCM_EOL);
571 tail = SCM_CDRLOC (*tail);
577 robust_scm2string (SCM k, const string &s)
579 if (scm_is_string (k))
580 return ly_scm2string (k);
585 robust_scm2int (SCM k, int o)
587 if (scm_is_integer (k))
593 robust_scm2vsize (SCM k, vsize o)
595 if (scm_is_integer (k))
597 int i = scm_to_int (k);
605 ly_rational2scm (Rational r)
607 if (r.is_infinity ())
609 if (r > Rational (0))
612 return scm_difference (scm_inf (), SCM_UNDEFINED);
615 return scm_divide (scm_from_int64 (r.numerator ()),
616 scm_from_int64 (r.denominator ()));
620 ly_scm2rational (SCM r)
622 if (scm_is_true (scm_inf_p (r)))
624 if (scm_is_true (scm_positive_p (r)))
638 return Rational (scm_to_int64 (scm_numerator (r)),
639 scm_to_int64 (scm_denominator (r)));
643 robust_scm2rational (SCM n, Rational rat)
645 if (ly_is_rational (n))
646 return ly_scm2rational (n);
652 ly_is_rational (SCM n)
654 return (scm_is_real (n)
655 && (scm_is_true (scm_exact_p (n))
656 || scm_is_true (scm_inf_p (n))));
660 alist_to_hashq (SCM alist)
662 int i = scm_ilength (alist);
664 return scm_c_make_hash_table (0);
666 SCM tab = scm_c_make_hash_table (i);
667 for (SCM s = alist; scm_is_pair (s); s = scm_cdr (s))
669 SCM pt = scm_cdar (s);
670 scm_hashq_set_x (tab, scm_caar (s), pt);
676 ly_hash2alist (SCM tab)
678 return Lily::hash_table_to_alist (tab);
686 mangle_cxx_identifier (string cxx_id)
688 if (cxx_id.substr (0, 3) == "ly_")
689 cxx_id = cxx_id.replace (0, 3, "ly:");
692 cxx_id = String_convert::to_lower (cxx_id);
693 cxx_id = "ly:" + cxx_id;
695 if (cxx_id.substr (cxx_id.length () - 2) == "_p")
696 cxx_id = cxx_id.replace (cxx_id.length () - 2, 2, "?");
697 else if (cxx_id.substr (cxx_id.length () - 2) == "_x")
698 cxx_id = cxx_id.replace (cxx_id.length () - 2, 2, "!");
700 replace_all (&cxx_id, "_less?", "<?");
701 replace_all (&cxx_id, "_2_", "->");
702 replace_all (&cxx_id, "__", "::");
703 replace_all (&cxx_id, '_', '-');
709 ly_string_array_to_scm (vector<string> a)
712 for (vsize i = a.size (); i; i--)
713 s = scm_cons (ly_symbol2scm (a[i - 1].c_str ()), s);
717 /* SYMBOLS is a whitespace separated list. */
719 parse_symbol_list (char const *symbols)
721 while (isspace (*symbols))
724 replace_all (&s, '\n', ' ');
725 replace_all (&s, '\t', ' ');
726 replace_all (&s, " ", " ");
727 return ly_string_array_to_scm (string_split (s, ' '));
731 struct ly_t_double_cell
739 /* inserts at front, removing duplicates */
740 SCM ly_assoc_prepend_x (SCM alist, SCM key, SCM val)
742 return scm_acons (key, val, scm_assoc_remove_x (alist, key));