*** empty log message ***

diff --git a/lily/book-scheme.cc b/lily/book-scheme.cc
new file mode 100644 (file)
index 0000000..ac296a6
--- /dev/null
+++ b/lily/book-scheme.cc
@@ -0,0 +1,31 @@
+#include "book.hh"
+#include "output-def.hh"
+#include "score.hh"
+#include "ly-module.hh"
+
+LY_DEFINE(ly_make_book, "ly:make-book",
+         2, 0, 1, (SCM paper, SCM header, SCM scores),
+         "Make a \\book of @var{paper} and @var{header} (which may be #f as well)  "
+         "containing @code{\\scores}.")
+{
+  Output_def * odef = unsmob_output_def (paper);
+  SCM_ASSERT_TYPE (odef, paper,
+                  SCM_ARG1, __FUNCTION__, "Output_def");
+
+  Book *book = new Book;
+  book->paper_ = odef;
+
+  if (ly_c_module_p (header))
+    book->header_ = header;
+  
+  for (SCM s = scores; scm_is_pair (s); s = scm_cdr (s))
+    {
+      Score *score = unsmob_score (scm_car (s));
+      if (score)
+       book->scores_.push (score);
+    }
+  
+  SCM x = book->self_scm ();
+  scm_gc_unprotect_object (x);
+  return x;
+}