/*
- listener.cc -- implement Listener and Listener_target
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2005 Erik Sandberg <mandolaerik@gmail.com>
- (c) 2005 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.
-#include "listener.hh"
-#include "ly-smobs.icc"
-#include "warn.hh"
+ 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.
-/*
-Listener_target::~Listener_target ()
-{
-}
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
-Listener::Listener (const void *target, Listener_function_table *type)
-{
- target_ = (void *)target;
- type_ = type;
-}
-
-Listener::Listener (Listener const &other)
-{
- target_ = other.target_;
- type_ = other.type_;
-}
-
-void Listener::listen (SCM ev) const {
- (type_->listen_callback) (target_, ev);
-}
-
-SCM
-Listener::mark_smob (SCM sm)
-{
- Listener *me = (Listener *) SCM_CELL_WORD_1 (sm);
- (me->type_->mark_callback) (me->target_);
- return SCM_EOL;
-}
-
-int
-Listener::print_smob (SCM s, SCM p, scm_print_state*)
-{
- scm_puts ("#<Listener>", p);
- return 1;
-}
-
-SCM
-Listener::equal_p (SCM a, SCM b)
-{
- Listener *l1 = unsmob_listener (a);
- Listener *l2 = unsmob_listener (b);
-
- return (*l1 == *l2) ? SCM_BOOL_T : SCM_BOOL_F;
-}
+#include "listener.hh"
-IMPLEMENT_SIMPLE_SMOBS (Listener);
-IMPLEMENT_TYPE_P (Listener, "listener");
+const char * const Listener::type_p_name_ = "ly:listener?";