-/*
+/*
scm-option.cc -- implement option setting from Scheme
-
+
source file of the GNU LilyPond music typesetter
-
- (c) 2001--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
+
+ (c) 2001--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+
*/
#include <stdio.h>
+#include "parse-scm.hh"
#include "string.hh"
#include "lily-guile.hh"
#include "scm-option.hh"
#include "warn.hh"
+#include "main.hh"
/*
This interface to option setting is meant for setting options are
preferably, also dont use TESTING_LEVEL_GLOBAL, since it defeats
another purpose of this very versatile interface, which is to
support multiple debug/testing options concurrently.
-
+
*/
/* General purpose testing flag */
int testing_level_global;
+/*
+ Backwards compatibility.
+ */
+bool lily_1_8_relative = false;
+bool lily_1_8_compatibility_used = false;
+
/*
crash if internally the wrong type is used for a grob property.
*/
bool internal_type_checking_global_b;
+
+/*
+ What is this function for ?
+ */
+LY_DEFINE (ly_option_usage, "ly:option-usage", 0, 0, 0, (SCM),
+ "Print ly:set-option usage")
+{
+ printf ( _("lilypond -e EXPR means:").to_str0 ());
+ puts ("");
+ printf (_ (" Evalute the Scheme EXPR before parsing any .ly files.").to_str0 ());
+ puts ("");
+ printf (_ (" Multiple -e options may be given, they will be evaluated sequentially.").to_str0 ());
+ puts ("");
+ printf (_(" The function ly:set-option allows for access to some internal variables.").to_str0 ());
+ puts ("\n");
+ printf (_ ("Usage: lilypond -e \"(ly:set-option SYMBOL VAL)\"").to_str0 ());
+ puts ("\n");
+ printf (_ ("Use help as SYMBOL to get online help.").to_str0 ());
+
+ exit (0);
+ return SCM_UNSPECIFIED;
+}
+
/* Add these as well:
@item -T,--no-timestamps
don't timestamp the output
@item -t,--test
-Switch on any experimental features. Not for general public use. */
-
-LY_DEFINE(set_lily_option,"set-lily-option", 2, 0, 0, (SCM var, SCM val),
- "Set a global option for the program. Supported options include
-
-
-@table @code
-@item help
-List all options.
-@item midi-debug
-If set to true, generate human readable MIDI
-@item internal-type-checking
-Set paranoia for property assignments
-@end table
-
-This function is useful to call from the command line: @code{lilypond -e
-\"(set-lily-option 'midi-debug #t)\"}.
-")
+Switch on any experimental features. Not for general public use.
+
+*/
+
+
+LY_DEFINE (ly_set_option, "ly:set-option", 1, 1, 0, (SCM var, SCM val),
+ "Set a global option value. Supported options include\n"
+"\n"
+"@table @code\n"
+"@item help\n"
+"List all options.\n"
+"@item midi-debug\n"
+"If set to true, generate human readable MIDI\n"
+"@item internal-type-checking\n"
+"Set paranoia for property assignments\n"
+"@item parse-protect\n"
+"If protection is switched on, errors in inline scheme are caught in the parser. \n"
+"If off, GUILE will halt on errors, and give a stack trace. Default is protected evaluation. \n"
+"@item old-relative\n"
+"Relative for simultaneous music functions similar to chord syntax\n"
+"@item new-relative\n"
+"Relative for simultaneous music functions similar to sequential music\n"
+"@end table\n"
+"\n"
+"This function is useful to call from the command line: @code{lilypond -e\n"
+"\"(ly:set-option 'midi-debug #t)\"}.\n")
{
- /* Scheme option usage:
- lilypond -e "(set-lily-option 'help 0)" */
+ if (val == SCM_UNDEFINED)
+ val = SCM_BOOL_T;
+
if (var == ly_symbol2scm ("help"))
- {
- printf ( _("lilypond -e EXPR means
-
-evalute EXPR as Scheme after init.scm has been read. In particular,
-the function set-lily-option allows for access to some internal
-variables. Usage:
-
- (set-lily-option SYMBOL VAL)
-
-possible options for SYMBOL are :
-").to_str0 ());
- printf ( " help (any-symbol)\n"
- " internal-type-checking (boolean)\n"
- " midi-debug (boolean)\n"
- " testing-level (int)\n");
-
- exit (0);
- }
+ /* lilypond -e "(ly:set-option 'help #t)" */
+ ly_option_usage (SCM_EOL);
else if (var == ly_symbol2scm ("midi-debug"))
- {
- midi_debug_global_b = to_boolean (val);
- }
+ midi_debug_global_b = to_boolean (val);
else if (var == ly_symbol2scm ("testing-level"))
- {
- testing_level_global = gh_scm2int (val);
- }
+ testing_level_global = ly_scm2int (val);
+ else if (var == ly_symbol2scm ("parse-protect" ))
+ parse_protect_global = to_boolean (val);
else if (var == ly_symbol2scm ("internal-type-checking"))
+ internal_type_checking_global_b = to_boolean (val);
+ else if (var == ly_symbol2scm ("old-relative"))
{
- internal_type_checking_global_b = to_boolean (val);
- }
- else if (var == ly_symbol2scm ("find-old-relative"))
- {
- /*
- Seems to have been broken for some time!
-
- @item -Q,--find-old-relative
- show all changes needed to convert a file to relative octave syntax.
-
-
-
- */
-
- ;
+ lily_1_8_relative = true;
+ /* Needs to be reset for each file that uses this option. */
+ lily_1_8_compatibility_used = false;
}
+ else if (var == ly_symbol2scm ("new-relative"))
+ lily_1_8_relative = false;
else
{
- warning (_("Unknown internal option!"));
+ if (ly_c_symbol_p (var))
+ var = scm_symbol_to_string (var);
+
+ warning (_f ("No such internal option: %s", ly_scm2string (var)));
}
-
-
return SCM_UNSPECIFIED;
}
-
-
-
+LY_DEFINE (ly_get_option, "ly:get-option", 1, 0, 0, (SCM var),
+ "Get a global option setting. Supported options include\n"
+ "@table @code\n"
+ "@item old-relative-used\n"
+ "Report whether old-relative compatibility mode is necessary\n"
+ "@item old-relative\n"
+ "Report whether old-relative compatibility mode is used\n"
+ "@item verbose\n"
+ "Report whether we are running in verbose mode\n"
+ "@end table\n"
+ "\n")
+{
+ SCM o = SCM_UNSPECIFIED;
+
+ if (var == ly_symbol2scm ("safe")) // heavily used; put in front.
+ o = ly_bool2scm (safe_global_b);
+ else if (var == ly_symbol2scm ("old-relative-used"))
+ o = ly_bool2scm (lily_1_8_compatibility_used);
+ else if (var == ly_symbol2scm ("old-relative"))
+ o = ly_bool2scm (lily_1_8_relative);
+ else if (var == ly_symbol2scm ("verbose"))
+ o = ly_bool2scm (verbose_global_b);
+ else
+ warning (_f ("No such internal option: %s", ly_scm2string (var)));
+ return o;
+}
projects / lilypond.git / blobdiff