X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fmusic-function-scheme.cc;h=5246b6dbe6282c3dc0e67e41c74611d3a49e9d5c;hb=97a0169312a260933246ab224e4f8b0969871dd5;hp=e87872caaca3bb6802c36ba2fd33aead726ddf55;hpb=b5c28773249a4f7860a7d73f285c67622ea0429c;p=lilypond.git

diff --git a/lily/music-function-scheme.cc b/lily/music-function-scheme.cc
index e87872caac..5246b6dbe6 100644
--- a/lily/music-function-scheme.cc
+++ b/lily/music-function-scheme.cc
@@ -1,19 +1,21 @@
 #include "music-function.hh"
 
-LY_DEFINE (ly_music_function_p, "ly:music-function?", 1, 0, 0,
+LY_DEFINE (ly_music_function_extract, "ly:music-function-extract", 1, 0, 0,
            (SCM x),
-           "Is @var{x} a @code{music-function}?")
+           "Return the Scheme function inside@tie{}@var{x}.")
 {
-  return is_music_function (x) ? SCM_BOOL_T : SCM_BOOL_F;
+  LY_ASSERT_SMOB (Music_function, x, 1);
+
+  return unsmob<Music_function> (x)->get_function ();
 }
 
-LY_DEFINE (ly_music_function_extract, "ly:music-function-extract", 1, 0, 0,
+LY_DEFINE (ly_music_function_signature, "ly:music-function-signature", 1, 0, 0,
            (SCM x),
-           "Return the Scheme function inside@tie{}@var{x}.")
+           "Return the function signature inside@tie{}@var{x}.")
 {
-  LY_ASSERT_TYPE (is_music_function, x, 1);
+  LY_ASSERT_SMOB (Music_function, x, 1);
 
-  return SCM_CELL_OBJECT_1 (x);
+  return unsmob<Music_function> (x)->get_signature ();
 }
 
 LY_DEFINE (ly_make_music_function, "ly:make-music-function", 2, 0, 0,
@@ -26,19 +28,18 @@ LY_DEFINE (ly_make_music_function, "ly:make-music-function", 2, 0, 0,
 {
   LY_ASSERT_TYPE (ly_is_list, signature, 1);
   LY_ASSERT_TYPE (ly_is_procedure, func, 2);
-  int n=0;
+  int n = 0;
   for (SCM p = signature; scm_is_pair (p); p = scm_cdr (p), ++n)
     {
       SCM proc = scm_car (p);
       if (scm_is_pair (proc))
-	proc = scm_car (proc);
+        proc = scm_car (proc);
       if (scm_is_false (scm_procedure_p (proc)))
-	{
-	  scm_wrong_type_arg_msg ("music-function", n, p,
-				  "music function predicate");
-	}
+        {
+          scm_wrong_type_arg_msg ("music-function", n, p,
+                                  "music function predicate");
+        }
     }
 
-  return make_music_function (signature, func);
+  return Music_function::make_smob (signature, func);
 }
-