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,
58 string varstr = robust_symbol2string (var, "");
59 bool valbool = to_boolean (val);
60 SCM val_scm_bool = scm_from_bool (valbool);
63 else if (varstr == "profile-property-accesses")
65 profile_property_accesses = valbool;
68 else if (varstr == "protected-scheme-parsing")
70 parse_protect_global = valbool;
73 else if (varstr == "check-internal-types")
75 do_internal_type_checking_global = valbool;
78 else if (varstr == "debug-gc-assert-parsed-dead")
80 parsed_objects_should_be_dead = valbool;
83 else if (varstr == "safe")
85 be_safe_global = valbool;
88 else if (varstr == "old-relative")
90 lily_1_8_relative = valbool;
91 /* Needs to be reset for each file that uses this option. */
92 lily_1_8_compatibility_used = valbool;
95 else if (varstr == "strict-infinity-checking")
97 strict_infinity_checking = valbool;
100 else if (varstr == "debug-skylines")
102 debug_skylines = valbool;
105 else if (varstr == "debug-property-callbacks")
107 debug_property_callbacks = valbool;
110 else if (varstr == "debug-page-breaking-scoring")
112 debug_page_breaking_scoring = valbool;
115 else if (varstr == "datadir")
117 /* ignore input value. */
118 val = ly_string2scm (lilypond_datadir);
120 else if (varstr == "relative-includes")
122 relative_includes = valbool;
125 else if (varstr == "warning-as-error")
127 /* warning_as_error is defined in flower/warn.cc */
128 warning_as_error = valbool;
131 else if (varstr == "music-strings-to-paths")
133 music_strings_to_paths = valbool;
137 scm_hashq_set_x (option_hash, var, val);
140 ssize const HELP_INDENT = 30;
141 ssize const INDENT = 2;
142 ssize const SEPARATION = 5;
145 Hmmm. should do in SCM / C++ ?
150 SCM alist = ly_hash2alist (option_hash);
151 SCM converter = ly_lily_module_constant ("scm->string");
155 for (SCM s = alist; scm_is_pair (s); s = scm_cdr (s))
157 SCM sym = scm_caar (s);
158 SCM val = scm_cdar (s);
159 string opt_spec = String_convert::char_string (' ', INDENT)
160 + ly_symbol2string (sym)
162 + ly_scm2string (scm_call_1 (converter, val))
165 if (opt_spec.length () + SEPARATION > HELP_INDENT)
166 opt_spec += "\n" + String_convert::char_string (' ', HELP_INDENT);
168 opt_spec += String_convert::char_string (' ', HELP_INDENT
169 - opt_spec.length ());
172 = scm_object_property (sym,
173 ly_symbol2scm ("program-option-documentation"));
174 string opt_help = ly_scm2string (opt_help_scm);
175 replace_all (&opt_help,
178 + String_convert::char_string (' ', HELP_INDENT));
180 opts.push_back (opt_spec + opt_help + "\n");
183 string help ("Options supported by `ly:set-option':\n\n");
184 vector_sort (opts, less<string> ());
185 for (vsize i = 0; i < opts.size (); i++)
190 LY_DEFINE (ly_option_usage, "ly:option-usage", 0, 0, 0, (),
191 "Print @code{ly:set-option} usage.")
193 string help = get_help_string ();
194 puts (help.c_str ());
197 return SCM_UNSPECIFIED;
200 LY_DEFINE (ly_add_option, "ly:add-option", 3, 0, 0,
201 (SCM sym, SCM val, SCM description),
202 "Add a program option @var{sym}. @var{val} is the default"
203 " value and @var{description} is a string description.")
206 option_hash = scm_permanent_object (scm_c_make_hash_table (11));
207 LY_ASSERT_TYPE (ly_is_symbol, sym, 1);
208 LY_ASSERT_TYPE (scm_is_string, description, 3);
210 internal_set_option (sym, val);
212 scm_set_object_property_x (sym, ly_symbol2scm ("program-option-documentation"),
215 return SCM_UNSPECIFIED;
218 LY_DEFINE (ly_set_option, "ly:set-option", 1, 1, 0, (SCM var, SCM val),
219 "Set a program option.")
221 LY_ASSERT_TYPE (ly_is_symbol, var, 1);
223 if (val == SCM_UNDEFINED)
226 string varstr = robust_symbol2string (var, "");
227 if (varstr.substr (0, 3) == string ("no-"))
229 var = ly_symbol2scm (varstr.substr (3, varstr.length () - 3).c_str ());
230 val = scm_from_bool (!to_boolean (val));
233 SCM handle = scm_hashq_get_handle (option_hash, var);
234 if (handle == SCM_BOOL_F)
235 warning (_f ("no such internal option: %s", varstr.c_str ()));
237 internal_set_option (var, val);
238 return SCM_UNSPECIFIED;
241 LY_DEFINE (ly_command_line_options, "ly:command-line-options", 0, 0, 0, (),
242 "The Scheme options specified on command-line with @option{-d}.")
244 return ly_string2scm (init_scheme_variables_global);
247 LY_DEFINE (ly_command_line_code, "ly:command-line-code", 0, 0, 0, (),
248 "The Scheme code specified on command-line with @option{-e}.")
250 return ly_string2scm (init_scheme_code_global);
253 LY_DEFINE (ly_verbose_output_p, "ly:verbose-output?", 0, 0, 0, (),
254 "Was verbose output requested, i.e. loglevel at least @code{DEBUG}?")
256 return scm_from_bool (is_loglevel (LOG_DEBUG));
259 LY_DEFINE (ly_all_options, "ly:all-options",
261 "Get all option settings in an alist.")
263 return ly_hash2alist (option_hash);
266 LY_DEFINE (ly_get_option, "ly:get-option", 1, 0, 0, (SCM var),
267 "Get a global option setting.")
269 LY_ASSERT_TYPE (ly_is_symbol, var, 1);
270 return scm_hashq_ref (option_hash, var, SCM_BOOL_F);