(GUILE_ELLIPSIS): define to get clean

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

diff --git a/lily/book-scheme.cc b/lily/book-scheme.cc
index c3b30bd8e7031319c17fb9f7a0b60e0da298ce6b..c6fb9a4ffa4c1de992a1f06f402e27843af75b50 100644 (file)
--- a/lily/book-scheme.cc
+++ b/lily/book-scheme.cc
@@ -31,16 +31,19 @@ LY_DEFINE (ly_make_book, "ly:make-book",
   book->scores_ = scm_append (scm_list_2 (scores, book->scores_));
 
   SCM x = book->self_scm ();
-  scm_gc_unprotect_object (x);
+  book->unprotect ();
   return x;
 }
 
 LY_DEFINE (ly_parser_print_book, "ly:book-process",
-          3, 0, 0, (SCM book_smob,
+          4, 0, 0, (SCM book_smob,
                     SCM default_paper,
                     SCM default_layout,
-                    SCM basename),
-          "Print book.")
+                    SCM output),
+          "Print book. @var{output} is passed to the backend unchanged. "
+          "Eg. it may be "
+          "a string (for file based outputs) or a socket (for network based "
+          "output).")
 {
   Book *book = unsmob_book (book_smob);
 
@@ -49,17 +52,13 @@ LY_DEFINE (ly_parser_print_book, "ly:book-process",
                   default_layout, SCM_ARG2, __FUNCTION__, "\\paper block");
   SCM_ASSERT_TYPE (unsmob_output_def (default_layout),
                   default_layout, SCM_ARG3, __FUNCTION__, "\\layout block");
-  SCM_ASSERT_TYPE (scm_is_string (basename), basename, SCM_ARG4, __FUNCTION__, "string");
 
-  String base = ly_scm2string (basename);
-  Paper_book *pb = book->process (base,
-                                 unsmob_output_def (default_paper),
-                                 unsmob_output_def (default_layout)
-                                 );
+  Paper_book *pb = book->process (unsmob_output_def (default_paper),
+                                 unsmob_output_def (default_layout));
   if (pb)
     {
-      pb->output (base);
-      scm_gc_unprotect_object (pb->self_scm ());
+      pb->output (output);
+      pb->unprotect ();
     }
 
   return SCM_UNSPECIFIED;