2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2001--2015 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"
26 #include "international.hh"
28 #include "parse-scm.hh"
29 #include "string-convert.hh"
31 #include "lily-imports.hh"
37 bool debug_property_callbacks;
38 bool debug_page_breaking_scoring;
40 bool music_strings_to_paths;
41 bool relative_includes;
43 bool profile_property_accesses = false;
45 crash if internally the wrong type is used for a grob property.
47 bool do_internal_type_checking_global;
48 bool strict_infinity_checking = false;
50 static SCM option_hash;
53 internal_set_option (SCM var,
56 string varstr = robust_symbol2string (var, "");
57 bool valbool = to_boolean (val);
58 SCM val_scm_bool = scm_from_bool (valbool);
61 else if (varstr == "profile-property-accesses")
63 profile_property_accesses = valbool;
66 else if (varstr == "protected-scheme-parsing")
68 parse_protect_global = valbool;
71 else if (varstr == "check-internal-types")
73 do_internal_type_checking_global = valbool;
76 else if (varstr == "debug-gc-assert-parsed-dead")
78 parsed_objects_should_be_dead = valbool;
81 else if (varstr == "safe")
83 be_safe_global = valbool;
86 else if (varstr == "strict-infinity-checking")
88 strict_infinity_checking = valbool;
91 else if (varstr == "debug-skylines")
93 debug_skylines = valbool;
96 else if (varstr == "debug-property-callbacks")
98 debug_property_callbacks = valbool;
101 else if (varstr == "debug-page-breaking-scoring")
103 debug_page_breaking_scoring = valbool;
106 else if (varstr == "datadir")
108 /* ignore input value. */
109 val = ly_string2scm (lilypond_datadir);
111 else if (varstr == "relative-includes")
113 relative_includes = valbool;
116 else if (varstr == "warning-as-error")
118 /* warning_as_error is defined in flower/warn.cc */
119 warning_as_error = valbool;
122 else if (varstr == "music-strings-to-paths")
124 music_strings_to_paths = valbool;
128 scm_hashq_set_x (option_hash, var, val);
131 ssize const HELP_INDENT = 30;
132 ssize const INDENT = 2;
133 ssize const SEPARATION = 5;
136 Hmmm. should do in SCM / C++ ?
141 SCM alist = ly_hash2alist (option_hash);
145 for (SCM s = alist; scm_is_pair (s); s = scm_cdr (s))
147 SCM sym = scm_caar (s);
148 SCM val = scm_cdar (s);
149 string opt_spec = String_convert::char_string (' ', INDENT)
150 + ly_symbol2string (sym)
152 + ly_scm2string (Lily::scm_to_string (val))
155 if (opt_spec.length () + SEPARATION > HELP_INDENT)
156 opt_spec += "\n" + String_convert::char_string (' ', HELP_INDENT);
158 opt_spec += String_convert::char_string (' ', HELP_INDENT
159 - opt_spec.length ());
162 = scm_object_property (sym,
163 ly_symbol2scm ("program-option-documentation"));
164 string opt_help = ly_scm2string (opt_help_scm);
165 replace_all (&opt_help,
168 + String_convert::char_string (' ', HELP_INDENT));
170 opts.push_back (opt_spec + opt_help + "\n");
173 string help ("Options supported by `ly:set-option':\n\n");
174 vector_sort (opts, std::less<string> ());
175 for (vsize i = 0; i < opts.size (); i++)
180 LY_DEFINE (ly_option_usage, "ly:option-usage", 0, 1, 0, (SCM port),
181 "Print @code{ly:set-option} usage. Optional @var{port} argument"
182 "for the destination defaults to current output port.")
184 SCM str = scm_from_locale_string (get_help_string ().c_str ());
185 scm_write_line (str, port);
187 return SCM_UNSPECIFIED;
190 LY_DEFINE (ly_add_option, "ly:add-option", 3, 0, 0,
191 (SCM sym, SCM val, SCM description),
192 "Add a program option @var{sym}. @var{val} is the default"
193 " value and @var{description} is a string description.")
196 option_hash = scm_permanent_object (scm_c_make_hash_table (11));
197 LY_ASSERT_TYPE (ly_is_symbol, sym, 1);
198 LY_ASSERT_TYPE (scm_is_string, description, 3);
200 internal_set_option (sym, val);
202 scm_set_object_property_x (sym, ly_symbol2scm ("program-option-documentation"),
205 return SCM_UNSPECIFIED;
208 LY_DEFINE (ly_set_option, "ly:set-option", 1, 1, 0, (SCM var, SCM val),
209 "Set a program option.")
211 LY_ASSERT_TYPE (ly_is_symbol, var, 1);
213 if (SCM_UNBNDP (val))
216 string varstr = robust_symbol2string (var, "");
217 if (varstr.substr (0, 3) == string ("no-"))
219 var = ly_symbol2scm (varstr.substr (3, varstr.length () - 3).c_str ());
220 val = scm_from_bool (!to_boolean (val));
223 SCM handle = scm_hashq_get_handle (option_hash, var);
224 if (scm_is_false (handle))
225 warning (_f ("no such internal option: %s", varstr.c_str ()));
227 internal_set_option (var, val);
228 return SCM_UNSPECIFIED;
231 LY_DEFINE (ly_command_line_options, "ly:command-line-options", 0, 0, 0, (),
232 "The Scheme options specified on command-line with @option{-d}.")
234 return ly_string2scm (init_scheme_variables_global);
237 LY_DEFINE (ly_command_line_code, "ly:command-line-code", 0, 0, 0, (),
238 "The Scheme code specified on command-line with @option{-e}.")
240 return ly_string2scm (init_scheme_code_global);
243 LY_DEFINE (ly_verbose_output_p, "ly:verbose-output?", 0, 0, 0, (),
244 "Was verbose output requested, i.e. loglevel at least @code{DEBUG}?")
246 return scm_from_bool (is_loglevel (LOG_DEBUG));
249 LY_DEFINE (ly_all_options, "ly:all-options",
251 "Get all option settings in an alist.")
253 return ly_hash2alist (option_hash);
256 LY_DEFINE (ly_get_option, "ly:get-option", 1, 0, 0, (SCM var),
257 "Get a global option setting.")
259 LY_ASSERT_TYPE (ly_is_symbol, var, 1);
260 return scm_hashq_ref (option_hash, var, SCM_BOOL_F);