2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2001--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
20 #include "program-option.hh"
27 #include "international.hh"
29 #include "parse-scm.hh"
30 #include "string-convert.hh"
34 bool debug_property_callbacks;
35 bool debug_page_breaking_scoring;
37 bool music_strings_to_paths;
38 bool relative_includes;
41 Backwards compatibility.
43 bool lily_1_8_relative = false;
44 bool lily_1_8_compatibility_used = false;
45 bool profile_property_accesses = false;
47 crash if internally the wrong type is used for a grob property.
49 bool do_internal_type_checking_global;
50 bool strict_infinity_checking = false;
52 static SCM option_hash;
55 internal_set_option (SCM var,
60 else if (var == ly_symbol2scm ("profile-property-accesses"))
62 profile_property_accesses = to_boolean (val);
63 val = scm_from_bool (to_boolean (val));
65 else if (var == ly_symbol2scm ("point-and-click"))
67 point_and_click_global = to_boolean (val);
68 val = scm_from_bool (to_boolean (val));
70 else if (var == ly_symbol2scm ("protected-scheme-parsing"))
72 parse_protect_global = to_boolean (val);
73 val = scm_from_bool (to_boolean (val));
75 else if (var == ly_symbol2scm ("check-internal-types"))
77 do_internal_type_checking_global = to_boolean (val);
78 val = scm_from_bool (to_boolean (val));
80 else if (var == ly_symbol2scm ("debug-gc-assert-parsed-dead"))
82 parsed_objects_should_be_dead = to_boolean (val);
83 val = scm_from_bool (parsed_objects_should_be_dead);
85 else if (var == ly_symbol2scm ("safe"))
87 be_safe_global = to_boolean (val);
88 val = scm_from_bool (be_safe_global);
90 else if (var == ly_symbol2scm ("old-relative"))
92 lily_1_8_relative = to_boolean (val);
93 /* Needs to be reset for each file that uses this option. */
94 lily_1_8_compatibility_used = to_boolean (val);
95 val = scm_from_bool (to_boolean (val));
97 else if (var == ly_symbol2scm ("strict-infinity-checking"))
99 strict_infinity_checking = to_boolean (val);
100 val = scm_from_bool (to_boolean (val));
102 else if (var == ly_symbol2scm ("debug-skylines"))
104 debug_skylines = to_boolean (val);
105 val = scm_from_bool (to_boolean (val));
107 else if (var == ly_symbol2scm ("debug-property-callbacks"))
109 debug_property_callbacks = to_boolean (val);
110 val = scm_from_bool (to_boolean (val));
112 else if (var == ly_symbol2scm ("debug-page-breaking-scoring"))
114 debug_page_breaking_scoring = to_boolean (val);
115 val = scm_from_bool (to_boolean (val));
117 else if (var == ly_symbol2scm ("datadir"))
119 /* ignore input value. */
120 val = ly_string2scm (lilypond_datadir);
122 else if (var == ly_symbol2scm ("relative-includes"))
124 relative_includes = to_boolean (val);
125 val = scm_from_bool (to_boolean (val));
127 else if (var == ly_symbol2scm ("warning-as-error"))
128 val = scm_from_bool (to_boolean (val));
129 else if (var == ly_symbol2scm ("music-strings-to-paths"))
131 music_strings_to_paths = to_boolean (val);
132 val = scm_from_bool (to_boolean (val));
135 scm_hashq_set_x (option_hash, var, val);
138 ssize const HELP_INDENT = 30;
139 ssize const INDENT = 2;
140 ssize const SEPARATION = 5;
143 Hmmm. should do in SCM / C++ ?
148 SCM alist = ly_hash2alist (option_hash);
149 SCM converter = ly_lily_module_constant ("scm->string");
153 for (SCM s = alist; scm_is_pair (s); s = scm_cdr (s))
155 SCM sym = scm_caar (s);
156 SCM val = scm_cdar (s);
157 string opt_spec = String_convert::char_string (' ', INDENT)
158 + ly_symbol2string (sym)
160 + ly_scm2string (scm_call_1 (converter, val))
163 if (opt_spec.length () + SEPARATION > HELP_INDENT)
164 opt_spec += "\n" + String_convert::char_string (' ', HELP_INDENT);
166 opt_spec += String_convert::char_string (' ', HELP_INDENT
167 - opt_spec.length ());
170 = scm_object_property (sym,
171 ly_symbol2scm ("program-option-documentation"));
172 string opt_help = ly_scm2string (opt_help_scm);
173 replace_all (&opt_help,
176 + String_convert::char_string (' ', HELP_INDENT));
178 opts.push_back (opt_spec + opt_help + "\n");
181 string help ("Options supported by `ly:set-option':\n\n");
182 vector_sort (opts, less<string> ());
183 for (vsize i = 0; i < opts.size (); i++)
188 LY_DEFINE (ly_option_usage, "ly:option-usage", 0, 0, 0, (),
189 "Print @code{ly:set-option} usage.")
191 string help = get_help_string ();
192 puts (help.c_str ());
195 return SCM_UNSPECIFIED;
198 LY_DEFINE (ly_add_option, "ly:add-option", 3, 0, 0,
199 (SCM sym, SCM val, SCM description),
200 "Add a program option @var{sym}. @var{val} is the default"
201 " value and @var{description} is a string description.")
204 option_hash = scm_permanent_object (scm_c_make_hash_table (11));
205 LY_ASSERT_TYPE (ly_is_symbol, sym, 1);
206 LY_ASSERT_TYPE (scm_is_string, description, 3);
208 internal_set_option (sym, val);
210 scm_set_object_property_x (sym, ly_symbol2scm ("program-option-documentation"),
213 return SCM_UNSPECIFIED;
216 LY_DEFINE (ly_set_option, "ly:set-option", 1, 1, 0, (SCM var, SCM val),
217 "Set a program option.")
219 LY_ASSERT_TYPE (ly_is_symbol, var, 1);
221 if (val == SCM_UNDEFINED)
224 string varstr = ly_scm2string (scm_symbol_to_string (var));
225 if (varstr.substr (0, 3) == string ("no-"))
227 var = ly_symbol2scm (varstr.substr (3, varstr.length () - 3).c_str ());
228 val = scm_from_bool (!to_boolean (val));
231 SCM handle = scm_hashq_get_handle (option_hash, var);
232 if (handle == SCM_BOOL_F)
233 warning (_f ("no such internal option: %s", varstr.c_str ()));
235 internal_set_option (var, val);
236 return SCM_UNSPECIFIED;
239 LY_DEFINE (ly_command_line_options, "ly:command-line-options", 0, 0, 0, (),
240 "The Scheme options specified on command-line with @option{-d}.")
242 return ly_string2scm (init_scheme_variables_global);
245 LY_DEFINE (ly_command_line_code, "ly:command-line-code", 0, 0, 0, (),
246 "The Scheme code specified on command-line with @option{-e}.")
248 return ly_string2scm (init_scheme_code_global);
251 LY_DEFINE (ly_verbose_output_p, "ly:verbose-output?", 0, 0, 0, (),
252 "Was verbose output requested, i.e. loglevel at least @code{DEBUG}?")
254 return scm_from_bool (is_loglevel (LOG_DEBUG));
257 LY_DEFINE (ly_all_options, "ly:all-options",
259 "Get all option settings in an alist.")
261 return ly_hash2alist (option_hash);
264 LY_DEFINE (ly_get_option, "ly:get-option", 1, 0, 0, (SCM var),
265 "Get a global option setting.")
267 LY_ASSERT_TYPE (ly_is_symbol, var, 1);
268 return scm_hashq_ref (option_hash, var, SCM_BOOL_F);