X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fcontext-mod-scheme.cc;h=ce6d149dbbd86e3cf66a6db8a0f7eca6c062ff42;hb=4b4331d24c2c39592f2da381156da92d140c9419;hp=b993a7de8f33e6e728b713ae49dbf974828513df;hpb=f93e4199873c91ae32f0e84a610d14853dc379df;p=lilypond.git

diff --git a/lily/context-mod-scheme.cc b/lily/context-mod-scheme.cc
index b993a7de8f..ce6d149dbb 100644
--- a/lily/context-mod-scheme.cc
+++ b/lily/context-mod-scheme.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2010--2011 Jan Nieuwenhuizen <janneke@gnu.org>
+  Copyright (C) 2010--2012 Jan Nieuwenhuizen <janneke@gnu.org>
   Han-Wen Nienhuys <hanwen@xs4all.nl>
 
   LilyPond is free software: you can redistribute it and/or modify
@@ -21,8 +21,7 @@
 #include "context.hh"
 #include "context-mod.hh"
 
-LY_DEFINE (ly_get_context_mods,
-           "ly:get-context-mods",
+LY_DEFINE (ly_get_context_mods, "ly:get-context-mods",
            1, 0, 0, (SCM contextmod),
            "Returns the list of context modifications stored in"
            " @var{contextmod}.")
@@ -32,8 +31,7 @@ LY_DEFINE (ly_get_context_mods,
   return tr->get_mods ();
 }
 
-LY_DEFINE (ly_add_context_mod,
-           "ly:add-context-mod",
+LY_DEFINE (ly_add_context_mod, "ly:add-context-mod",
            2, 0, 0, (SCM contextmods, SCM modification),
            "Adds the given context @var{modification} to the list"
            " @var{contextmods} of context modifications.")
@@ -44,3 +42,16 @@ LY_DEFINE (ly_add_context_mod,
   return SCM_UNSPECIFIED;
 }
 
+LY_DEFINE (ly_make_context_mod, "ly:make-context-mod",
+           0, 1, 0, (SCM mod_list),
+           "Creates a context modification, optionally initialized"
+           " via the list of modifications @var{mod-list}.")
+{
+  if (mod_list != SCM_UNDEFINED)
+    {
+      LY_ASSERT_TYPE (ly_cheap_is_list, mod_list, 1);
+      return Context_mod (mod_list).smobbed_copy ();
+    }
+  else
+    return Context_mod ().smobbed_copy ();
+}