Midi2ly: add channel debugging.

[lilypond.git] / lily / paper-book-scheme.cc

diff --git a/lily/paper-book-scheme.cc b/lily/paper-book-scheme.cc
index a821597be0c978dffc8e08434d68c923a00f7c3e..915844453025ece1d1883a41db0a4cbb73c72baa 100644 (file)
--- a/lily/paper-book-scheme.cc
+++ b/lily/paper-book-scheme.cc
@@ -72,3 +72,13 @@ LY_DEFINE (ly_paper_book_paper, "ly:paper-book-paper",
   Paper_book *pbook = unsmob_paper_book (pb);
   return pbook->paper_->self_scm ();
 }
+
+LY_DEFINE (ly_paper_book_header, "ly:paper-book-header",
+          1, 0, 0, (SCM pb),
+          "Return the header definition (@code{\\header})"
+          " in @code{Paper_book} object @var{pb}.")
+{
+  LY_ASSERT_SMOB (Paper_book, pb, 1);
+  Paper_book *pbook = unsmob_paper_book (pb);
+  return pbook->header_;
+}