lily/scheme-option.cc

   1 /*
   2   scheme-option.cc --  implement option setting from Scheme
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7
   8  */
   9
  10 #include "lily-guile.hh"
  11
  12 /*
  13   TODO: mooie onschuldige test, en koel om allerleide dingen te kunnen zetten,
  14   maar is dit nou wel handig voor gebruikert?
  15
  16   -X, of -fps is hendiger dan
  17
  18           -e "(set-lily-option 'midi-debug #t)'
  19
  20   [niet voor niets tiepo in 139 announs..]
  21
  22 */
  23 /* Write midi as formatted ascii stream? */
  24 bool midi_debug_global_b;
  25
  26
  27 /*
  28
  29   Todo: print help text.
  30
  31
  32   other interesting stuff to add:
  33
  34 @item -T,--no-timestamps
  35 don't timestamp the output
  36
  37 @item -t,--test
  38 Switch on any experimental features.  Not for general public use.
  39
  40  */
  41
  42 SCM
  43 set_lily_option (SCM var, SCM val)
  44 {
  45   if (var == ly_symbol2scm ("midi-debug"))
  46     {
  47       midi_debug_global_b = to_boolean (val);
  48     }
  49   else if (var == ly_symbol2scm ("find-old-relative"))
  50     {
  51       /*
  52         Seems to have been broken for some time!
  53
  54         @item  -Q,--find-old-relative
  55         show all changes needed to convert a file to  relative octave syntax.
  56
  57
  58
  59       */
  60
  61       ;
  62
  63     }
  64
  65   return SCM_UNSPECIFIED;
  66 }
  67
  68
  69 static void
  70 init_functions ()
  71 {
  72   scm_make_gsubr ("set-lily-option", 2, 0, 0, (Scheme_function_unknown)set_lily_option);
  73 }
  74
  75
  76 ADD_SCM_INIT_FUNC (init_functions_sopt, init_functions);
  77
  78