-/*
+/*
scm-option.cc -- implement option setting from Scheme
-
+
source file of the GNU LilyPond music typesetter
-
- (c) 2001--2003 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 <cstdio>
+
+#include "parse-scm.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.
-
+
*/
/* Write midi as formatted ascii stream? */
bool midi_debug_global_b;
+int preview_resolution_global = 90;
+
+
/* General purpose testing flag */
int testing_level_global;
/*
Backwards compatibility.
*/
-bool lily_1_8_relative = true;
+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")
-{
+ "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 ());
+ 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 ());
+ printf (_ ("Usage: lilypond -e \"(ly:set-option SYMBOL VAL)\"").to_str0 ());
puts ("\n");
- printf (_ ("Where SYMBOL VAL pair is any of:").to_str0 ());
- puts ("");
- printf ( " help ANY-SYMBOL\n"
- " internal-type-checking BOOLEAN\n"
- " midi-debug BOOLEAN\n"
- " parse-protect BOOLEAN\n"
- " testing-level INTEGER\n");
-
+ printf (_ ("Use help as SYMBOL to get online help.").to_str0 ());
+
exit (0);
return SCM_UNSPECIFIED;
}
don't timestamp the output
@item -t,--test
-Switch on any experimental features. Not for general public use. */
-LY_DEFINE (ly_set_option, "ly:set-option", 2, 0, 0, (SCM var, SCM val),
+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"
"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 functions similar to chord syntax\n"
+"Relative for simultaneous music functions similar to chord syntax\n"
"@item new-relative\n"
-"Relative for simultaneous functions similar to sequential music\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")
+"\"(ly:set-option 'midi-debug #t)\"}.\n")
{
+ if (val == SCM_UNDEFINED)
+ val = SCM_BOOL_T;
+
if (var == ly_symbol2scm ("help"))
- {
- /* lilypond -e "(ly-set-option 'help #t)" */
- ly_option_usage (SCM_EOL);
- }
+ /* 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 = scm_to_int (val);
else if (var == ly_symbol2scm ("parse-protect" ))
- {
- parse_protect_global = to_boolean(val);
- }
+ parse_protect_global = to_boolean (val);
else if (var == ly_symbol2scm ("internal-type-checking"))
- {
- internal_type_checking_global_b = to_boolean (val);
- }
+ internal_type_checking_global_b = to_boolean (val);
else if (var == ly_symbol2scm ("old-relative"))
{
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 ("resolution"))
+ preview_resolution_global = robust_scm2int (val, 90);
else if (var == ly_symbol2scm ("new-relative"))
- {
- lily_1_8_relative = false;
- }
+ lily_1_8_relative = false;
else
{
- warning (_("Unknown internal option!"));
+ if (scm_is_symbol (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"
+ "@item resolution\n"
+ "Resolution for the PNG output."
+ "@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 if ( var == ly_symbol2scm ("resolution"))
+ o = scm_from_int (preview_resolution_global);
+ else
+ {
+ if (scm_is_symbol (var))
+ var = scm_symbol_to_string (var);
+ String s = ly_scm2string (var);
+
+ warning (_f ("No such internal option: %s", s.to_str0() ));
+ }
+ return o;
+}