2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1999--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
23 #include "small-smobs.hh"
28 1. ALWAYS USE THIS AS VIA A POINTER, i.e.
31 Scheme_hash_table * tab;
37 Scheme_hash_table tab;
41 2. UPON DESTRUCTION, DO
43 scm_gc_unprotect_object (tab->self_scm_);
46 class Scheme_hash_table : public Smob1<Scheme_hash_table>
49 int print_smob (SCM, scm_print_state *) const;
50 bool try_retrieve (SCM key, SCM *val);
51 bool contains (SCM key) const;
52 void set (SCM k, SCM v);
53 SCM get (SCM k) const;
55 void operator = (Scheme_hash_table const &);
56 SCM to_alist () const;
57 static SCM make_smob ();
60 SCM &hash_tab () const { return scm1 (); }
63 #endif /* SCM_HASH_HH */