X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fpaper-outputter-scheme.cc;h=bc89a86016711343b857dc19d0fefe8a4c6013f5;hb=042205631440364214f615a1db608a9ffd521232;hp=4c61c6df5e8324f841d0c1d7086e480ef8b7f104;hpb=f0fbdbd14441baade7e044c094d8c620f73d8dda;p=lilypond.git

diff --git a/lily/paper-outputter-scheme.cc b/lily/paper-outputter-scheme.cc
index 4c61c6df5e..bc89a86016 100644
--- a/lily/paper-outputter-scheme.cc
+++ b/lily/paper-outputter-scheme.cc
@@ -1,37 +1,39 @@
 /*
-  paper-outputter-scheme.cc --  implement Paper_outputter bindings
+  paper-outputter-scheme.cc -- implement Paper_outputter bindings
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
-
+  (c) 2005--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #include "paper-outputter.hh"
-#include "warn.hh"
+
+#include "international.hh"
 #include "stencil.hh"
+#include "warn.hh"
 
 LY_DEFINE (ly_make_paper_outputter, "ly:make-paper-outputter",
-	   2, 0, 0, (SCM outname, SCM format),
-	   "Create an outputter that evaluates within "
-	   "@code{output-}@var{format}, writing to file @var{outname}.")
+	   2, 0, 0, (SCM port, SCM format),
+	   "Create an outputter that evaluates within"
+	   " @code{output-}@var{format}, writing to @var{port}.")
 {
-  SCM_ASSERT_TYPE(scm_is_string (outname), outname, SCM_ARG1, __FUNCTION__,
-		  "String");
-  SCM_ASSERT_TYPE(scm_is_string (format), format, SCM_ARG2, __FUNCTION__,
-		  "String");
-  
-  String outname_str = ly_scm2string (outname);
-  String f = ly_scm2string (format);
+  LY_ASSERT_TYPE (ly_is_port, port, 1);
+  LY_ASSERT_TYPE (ly_is_symbol, format, 2);
+
+  string f = ly_symbol2string (format);
+  string output_name = "<unknown>";
+
+  SCM port_name = scm_port_filename (port);
+  if (scm_is_string (port_name))
+    output_name = ly_scm2string (port_name);
+
+  message (_f ("Layout output to `%s'...",
+	       output_name.c_str ()));
 
-  progress_indication (_f ("Layout output to `%s'...",
-			   outname_str == "-"
-			   ? String ("<stdout>")
-			   : outname_str));
   progress_indication ("\n");
-  Paper_outputter *po = new Paper_outputter (outname_str, f);
+  Paper_outputter *po = new Paper_outputter (port, f);
 
-  scm_gc_unprotect_object (po->self_scm ());
+  po->unprotect ();
   return po->self_scm ();
 }
 
@@ -40,10 +42,13 @@ LY_DEFINE (ly_outputter_dump_stencil, "ly:outputter-dump-stencil",
 	   2, 0, 0, (SCM outputter, SCM stencil),
 	   "Dump stencil @var{expr} onto @var{outputter}.")
 {
+  
+  LY_ASSERT_SMOB (Paper_outputter, outputter, 1);
+  LY_ASSERT_SMOB (Stencil, stencil, 2);
+
   Paper_outputter *po = unsmob_outputter (outputter);
   Stencil *st = unsmob_stencil (stencil);
-  SCM_ASSERT_TYPE (po, outputter, SCM_ARG1, __FUNCTION__, "Paper_outputter");
-  SCM_ASSERT_TYPE (st, stencil, SCM_ARG1, __FUNCTION__, "Paper_outputter");
+
   po->output_stencil (*st);
   return SCM_UNSPECIFIED;
 }
@@ -52,21 +57,21 @@ LY_DEFINE (ly_outputter_dump_string, "ly:outputter-dump-string",
 	   2, 0, 0, (SCM outputter, SCM str),
 	   "Dump @var{str} onto @var{outputter}.")
 {
+  LY_ASSERT_SMOB (Paper_outputter, outputter, 1);
+  LY_ASSERT_TYPE (scm_is_string, str, 2);
+
   Paper_outputter *po = unsmob_outputter (outputter);
-  SCM_ASSERT_TYPE (po, outputter, SCM_ARG1, __FUNCTION__, "Paper_outputter");
-  SCM_ASSERT_TYPE (scm_is_string (str), str, SCM_ARG1, __FUNCTION__, "Paper_outputter");
-  
+
   return po->dump_string (str);
 }
 
-
 LY_DEFINE (ly_outputter_port, "ly:outputter-port",
 	   1, 0, 0, (SCM outputter),
 	   "Return output port for @var{outputter}.")
 {
+  LY_ASSERT_SMOB (Paper_outputter, outputter, 1);
   Paper_outputter *po = unsmob_outputter (outputter);
-  SCM_ASSERT_TYPE (po, outputter, SCM_ARG1, __FUNCTION__, "Paper_outputter");
-  
+
   return po->file ();
 }
 
@@ -74,9 +79,21 @@ LY_DEFINE (ly_outputter_close, "ly:outputter-close",
 	   1, 0, 0, (SCM outputter),
 	   "Close port of @var{outputter}.")
 {
+  LY_ASSERT_SMOB (Paper_outputter, outputter, 1);
   Paper_outputter *po = unsmob_outputter (outputter);
-  SCM_ASSERT_TYPE (po, outputter, SCM_ARG1, __FUNCTION__, "Paper_outputter");
 
   po->close ();
   return SCM_UNSPECIFIED;
 }
+
+LY_DEFINE (ly_outputter_output_scheme, "ly:outputter-output-scheme",
+	   2, 0, 0, (SCM outputter, SCM expr),
+	   "Eval @var{expr} in module of @var{outputter}.")
+{
+  LY_ASSERT_SMOB (Paper_outputter, outputter, 1);
+  Paper_outputter *po = unsmob_outputter (outputter);
+
+  po->output_scheme (expr);
+
+  return SCM_UNSPECIFIED;
+}