49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* Mes --- Maxwell Equations of Software
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* Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of Mes.
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*
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* Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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SCM
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string_to_symbol (SCM x)
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{
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assert (TYPE (x) == STRING);
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return STRING (x) == cell_nil ? cell_nil : make_symbol (STRING (x));
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}
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SCM
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symbol_to_string (SCM x)
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{
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assert (TYPE (x) == SYMBOL);
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return MAKE_STRING (STRING (x));
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}
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SCM
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keyword_to_symbol (SCM x)
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{
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assert (TYPE (x) == KEYWORD);
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return make_symbol (STRING (x));
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}
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SCM
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symbol_to_keyword (SCM x)
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{
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assert (TYPE (x) == SYMBOL);
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g_cells[tmp_num].value = KEYWORD;
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return make_cell (tmp_num, STRING (x), 0);
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}
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