X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fprotected-scm.cc;h=147b83fefdaac6b1d2de6aef92353667f890d5bb;hb=41b461e0a3dbe39d20e8198f284dea6775e14e0d;hp=93b29a48d4a8648d57bf2beb46f754ae9906ea94;hpb=7e72a1e50e94a7f9738d62599de79fe7745f600c;p=lilypond.git diff --git a/lily/protected-scm.cc b/lily/protected-scm.cc index 93b29a48d4..147b83fefd 100644 --- a/lily/protected-scm.cc +++ b/lily/protected-scm.cc @@ -1,13 +1,23 @@ -/* - protected-scm.cc -- implement Protected_scm - - source file of the GNU LilyPond music typesetter - - (c) 1998--2004 Han-Wen Nienhuys - - */ +/* + This file is part of LilyPond, the GNU music typesetter. + + Copyright (C) 1998--2012 Han-Wen Nienhuys + + 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 . +*/ + #include "protected-scm.hh" -#include "lily-guile.hh" Protected_scm::Protected_scm () { @@ -16,40 +26,38 @@ Protected_scm::Protected_scm () Protected_scm::Protected_scm (SCM s) { - object_ = SCM_NIMP (s) ? scm_gc_protect_object (s): s; + object_ = SCM_NIMP (s) ? scm_gc_protect_object (s) : s; } Protected_scm::Protected_scm (Protected_scm const &s) { - object_ = SCM_NIMP (s.object_) ? scm_gc_protect_object (s.object_) : s.object_; + object_ = (SCM_NIMP (s.object_) ? scm_gc_protect_object (s.object_) + : s.object_); +} + +Protected_scm::~Protected_scm () +{ + if (SCM_NIMP (object_)) + scm_gc_unprotect_object (object_); } -Protected_scm & +Protected_scm & Protected_scm::operator = (SCM s) { if (object_ == s) return *this; - + if (SCM_NIMP (object_)) scm_gc_unprotect_object (object_); - object_ = SCM_NIMP (s) ? scm_gc_protect_object (s): s; + object_ = SCM_NIMP (s) ? scm_gc_protect_object (s) : s; return *this; } -Protected_scm& +Protected_scm & Protected_scm::operator = (Protected_scm const &s) { - return operator= (s.object_); -} - - -Protected_scm::~Protected_scm () -{ - if (SCM_NIMP (object_)) - { - scm_gc_unprotect_object (object_); - } + return operator = (s.object_); } Protected_scm::operator SCM () const @@ -57,7 +65,7 @@ Protected_scm::operator SCM () const return object_; } -SCM +SCM Protected_scm::to_SCM () const { return object_;