Imported Upstream version 2.14.2

[lilypond.git] / lily / stream-event-scheme.cc

diff --git a/lily/stream-event-scheme.cc b/lily/stream-event-scheme.cc
index 6ce5477af354d34f49210d1a9886e3c13afc8543..99f8a3c83235480f31b8d3116c257674bb1c7ef8 100644 (file)
--- a/lily/stream-event-scheme.cc
+++ b/lily/stream-event-scheme.cc
@@ -1,13 +1,31 @@
 /*
-  stream-event.cc -- implement Scheme bindings for Stream_event
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2006--2011 Erik Sandberg  <mandolaerik@gmail.com>
 
-  (c) 2006--2009 Erik Sandberg  <mandolaerik@gmail.com>
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "stream-event.hh"
 
+LY_DEFINE (ly_stream_event_p, "ly:stream-event?",
+          1, 0, 0, (SCM obj),
+          "Is @code{@var{obj}} a @code{Stream_event} object?")
+{
+  return scm_from_bool (unsmob_stream_event (obj));
+}
+
 LY_DEFINE (ly_make_stream_event, "ly:make-stream-event",
           1, 1, 0, (SCM cl, SCM proplist),
           "Create a stream event of class @var{cl} with the given"
@@ -30,7 +48,7 @@ LY_DEFINE (ly_event_property, "ly:event-property",
           "Get the property @var{sym} of stream event @var{mus}."
           "  If @var{sym} is undefined, return @code{'()}.")
 {
-  LY_ASSERT_SMOB (Stream_event, sev, 1);
+  LY_ASSERT_TYPE (unsmob_stream_event, sev, 1);
   LY_ASSERT_TYPE (ly_is_symbol, sym, 2);
 
   Stream_event *e = unsmob_stream_event (sev);
@@ -42,7 +60,7 @@ LY_DEFINE (ly_event_set_property_x, "ly:event-set-property!",
            3, 0, 0, (SCM ev, SCM sym, SCM val),
            "Set property @var{sym} in event @var{ev} to @var{val}.")
 {
-  LY_ASSERT_SMOB (Stream_event, ev, 1);
+  LY_ASSERT_TYPE (unsmob_stream_event, ev, 1);
   LY_ASSERT_TYPE (ly_is_symbol, sym, 2);
   
   return ly_prob_set_property_x (ev, sym, val);