2 main.cc -- implement main () entrypoint.
4 source file of the GNU LilyPond music typesetter
6 (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
21 #include "all-font-metrics.hh"
22 #include "file-name.hh"
23 #include "file-path.hh"
24 #include "getopt-long.hh"
25 #include "global-ctor.hh"
27 #include "lily-guile.hh"
28 #include "lily-version.hh"
31 #include "output-def.hh"
36 * Global options that can be overridden through command line.
39 /* Names of header fields to be dumped to a separate file. */
40 Array<String> dump_header_fieldnames_global;
42 /* Name of initialisation file. */
43 String init_name_global;
45 /* Do not calculate and write paper output? */
46 bool no_paper_global_b = false;
48 /* Selected output format.
49 One of tex, ps, scm, as. */
50 String output_format_global = "tex";
52 /* Current output name. */
53 String output_name_global;
55 /* Run in safe mode? */
56 bool safe_global_b = false;
58 /* Verbose progress indication? */
59 bool verbose_global_b = false;
61 /* Scheme code to execute before parsing, after .scm init
62 This is where -e arguments are appended to.
64 String init_scheme_code_string = "(begin #t ";
66 bool make_pdf = false;
67 bool make_png = false;
68 bool make_preview = false;
71 * Miscellaneous global stuff.
73 File_path global_path;
80 static char const *AUTHORS =
81 " Han-Wen Nienhuys <hanwen@cs.uu.nl>\n"
82 " Jan Nieuwenhuizen <janneke@gnu.org>\n";
84 static char const *PROGRAM_NAME = "lilypond-bin";
85 static char const *PROGRAM_URL = "http://lilypond.org";
87 static char const *NOTICE =
88 _i ("This program is free software. It is covered by the GNU General Public\n"
89 "License and you are welcome to change it and/or distribute copies of it\n"
90 "under certain conditions. Invoke as `lilypond-bin --warranty' for more\n"
93 static char const *WARRANTY =
94 _i (" This program is free software; you can redistribute it and/or\n"
95 "modify it under the terms of the GNU General Public License version 2\n"
96 "as published by the Free Software Foundation.\n"
98 " This program is distributed in the hope that it will be useful,\n"
99 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
100 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
101 "General Public License for more details.\n"
103 " You should have received a copy (refer to the file COPYING) of the\n"
104 "GNU General Public License along with this program; if not, write to\n"
105 "the Free Software Foundation, Inc., 59 Temple Place - Suite 330,\n"
106 "Boston, MA 02111-1307, USA.\n");
109 /* Where the init files live. Typically:
110 LILYPOND_DATADIR = /usr/share/lilypond
111 LOCAL_LILYPOND_DATADIR = /usr/share/lilypond/<VERSION> */
112 char const *prefix_directory[] = {LILYPOND_DATADIR, LOCAL_LILYPOND_DATADIR, 0};
114 /* The option parser */
115 static Getopt_long *option_parser = 0;
117 /* Internationalisation kludge in two steps:
118 * use _i () to get entry in POT file
119 * call gettext () explicitely for actual "translation" */
121 static Long_option_init options_static[] =
123 {_i ("EXPR"), "evaluate", 'e',
124 _i ("set options, use -e '(ly:option-usage)' for help")},
125 /* Bug in option parser: --output=foe is taken as an abbreviation
126 for --output-format. */
127 {_i ("EXT"), "format", 'f', _i ("use output format EXT")},
128 {0, "help", 'h', _i ("print this help")},
129 {_i ("FIELD"), "header", 'H', _i ("write header field to BASENAME.FIELD")},
130 {_i ("DIR"), "include", 'I', _i ("add DIR to search path")},
131 {_i ("FILE"), "init", 'i', _i ("use FILE as init file")},
132 {0, "no-paper", 'm', _i ("produce MIDI output only")},
133 {_i ("FILE"), "output", 'o', _i ("write output to FILE")},
134 {0, "preview", 'p', _i ("generate a preview")},
135 {0, "safe-mode", 's', _i ("run in safe mode")},
136 {0, "version", 'v', _i ("print version number")},
137 {0, "verbose", 'V', _i ("be verbose")},
138 {0, "warranty", 'w', _i ("show warranty and copyright")},
146 fprintf (out, "LILYPOND_DATADIR=\"%s\"\n", LILYPOND_DATADIR);
147 fprintf (out, "LOCAL_LILYPOND_DATADIR=\%s\"\n", LOCAL_LILYPOND_DATADIR);
148 fprintf (out, "LOCALEDIR=\"%s\"\n", LOCALEDIR);
150 char *lilypond_prefix = getenv ("LILYPONDPREFIX");
151 fprintf (out, "LILYPONDPREFIX=\"%s\"\n",
152 (lilypond_prefix ? lilypond_prefix : ""));
158 printf (_f ("Copyright (c) %s by\n%s and others.",
160 AUTHORS).to_str0 ());
167 fputs (gnu_lilypond_version_string ().to_str0 (), out);
175 printf (_f (NOTICE, PROGRAM_NAME).to_str0 ());
183 /* No version number or newline here. It confuses help2man. */
184 printf (_f ("Usage: %s [OPTIONS]... FILE...", PROGRAM_NAME).to_str0 ());
186 printf (_ ("Typeset music and/or produce MIDI from FILE.").to_str0 ());
188 printf (_ ("LilyPond produces beautiful music notation.").to_str0 ());
190 printf (_f ("For more information, see %s", PROGRAM_URL).to_str0 ());
192 printf (_ ("Options:").to_str0 ());
194 printf (Long_option_init::table_string (options_static).to_str0 ());
196 printf (_f ("Report bugs to %s.", "bug-lilypond@gnu.org").to_str0 ());
208 printf (_ (WARRANTY).to_str0 ());
214 if (char const *lilypond_prefix = getenv ("LILYPONDPREFIX"))
215 prefix_directory[1] = lilypond_prefix;
217 global_path.append ("");
219 /* Adding mf/out make lilypond unchanged source directory, when setting
220 LILYPONDPREFIX to lilypond-x.y.z */
221 char *suffixes[] = {"ly", "afm", "mf/out", "scm", "tfm", "ps", 0};
223 for (unsigned i = 0; prefix_directory[i]; i++)
224 for (char **s = suffixes; *s; s++)
226 String p = prefix_directory[i] + to_string ('/') + String (*s);
227 global_path.prepend (p);
230 /* Urg: GNU make's $ (word) index starts at 1 */
232 while (global_path.try_append (p + to_string (".") + to_string (i)))
239 prepend_load_path (String dir)
241 String s = "(set! %load-path (cons \"" + dir + "\" %load-path))";
242 scm_c_eval_string (s.to_str0 ());
246 main_with_guile (void *, int, char **)
248 /* Engravers use lily.scm contents, need to make Guile find it.
249 Prepend onto GUILE %load-path, very ugh. */
250 for (unsigned i = 0; prefix_directory[i]; i++)
252 prepend_load_path (prefix_directory[i]);
253 /* Junk this. We should make real modules iso. just loading files. */
254 prepend_load_path (String (prefix_directory[i]) + "/scm");
257 if (verbose_global_b)
261 call_constructors ();
262 progress_indication ("\n");
264 all_fonts_global = new All_font_metrics (global_path.to_string ());
266 init_scheme_code_string += ")";
267 scm_c_eval_string ((char*) init_scheme_code_string.to_str0 ());
269 /* We accept multiple independent music files on the command line to
270 reduce compile time when processing lots of small files.
271 Starting the GUILE engine is very time consuming. */
275 while (char const *arg = option_parser->get_next_arg ())
277 *tail = scm_cons (scm_makfrom0str (arg), SCM_EOL);
278 tail = SCM_CDRLOC (*tail);
280 delete option_parser;
283 if (files == SCM_EOL)
285 /* No FILE arguments is now a usage error to help newbies. If you
286 want a filter, you're not a newbie and should know to use file
292 SCM result = scm_call_1 (ly_scheme_function ("lilypond-main"), files);
301 setup_localisation ()
305 setlocale (LC_ALL, "");
307 /* FIXME: check if this is still true.
308 Disable localisation of float values. This breaks TeX output. */
309 setlocale (LC_NUMERIC, "C");
311 String name (PACKAGE);
313 bindtextdomain (name.to_str0 (), LOCALEDIR);
314 textdomain (name.to_str0 ());
319 parse_argv (int argc, char **argv)
322 option_parser = new Getopt_long (argc, argv, options_static);
323 while (Long_option_init const *opt = (*option_parser) ())
325 switch (opt->shortname_char_)
333 String s = option_parser->optional_argument_str0_;
334 File_name file_name (s);
335 output_name_global = file_name.to_string ();
342 init_scheme_code_string += option_parser->optional_argument_str0_;
349 if (option_parser->optional_argument_str0_ == "help")
351 printf (_ ("This option is for developers only.").to_str0 ());
352 printf (_ ("Read the sources for more information.").to_str0 ());
355 output_format_global = option_parser->optional_argument_str0_;
358 dump_header_fieldnames_global
359 .push (option_parser->optional_argument_str0_);
362 global_path.append (option_parser->optional_argument_str0_);
365 init_name_global = option_parser->optional_argument_str0_;
371 verbose_global_b = true;
374 safe_global_b = true;
377 no_paper_global_b = true;
388 if (verbose_global_b)
395 main (int argc, char **argv)
397 setup_localisation ();
399 parse_argv (argc, argv);
400 initialize_kpathsea (argv[0]);
402 scm_boot_guile (argc, argv, main_with_guile, 0);