103 lines
1.8 KiB
C
103 lines
1.8 KiB
C
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/* -*-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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#if !TYPE0
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scm *
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char_p (scm *x)
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{
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return x->type == CHAR ? &scm_t : &scm_f;
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}
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scm *
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macro_p (scm *x)
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{
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return x->type == MACRO ? &scm_t : &scm_f;
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}
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scm *
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number_p (scm *x)
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{
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return x->type == NUMBER ? &scm_t : &scm_f;
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}
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scm *
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pair_p (scm *x)
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{
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return x->type == PAIR ? &scm_t : &scm_f;
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}
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scm *
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string_p (scm *x)
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{
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return x->type == STRING ? &scm_t : &scm_f;
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}
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scm *
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symbol_p (scm *x)
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{
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return x->type == SYMBOL ? &scm_t : &scm_f;
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}
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scm *
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vector_p (scm *x)
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{
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return x->type == VECTOR ? &scm_t : &scm_f;
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}
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scm *
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builtin_p (scm *x)
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{
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return (x->type == FUNCTION0
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|| x->type == FUNCTION1
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|| x->type == FUNCTION2
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|| x->type == FUNCTION3
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|| x->type == FUNCTIONn)
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? &scm_t : &scm_f;
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}
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// Non-types
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scm *
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null_p (scm *x)
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{
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return x == &scm_nil ? &scm_t : &scm_f;
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}
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scm *
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atom_p (scm *x)
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{
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return (x->type == PAIR ? &scm_f : &scm_t);
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}
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scm *
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boolean_p (scm *x)
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{
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return (x == &scm_t || x == &scm_f) ? &scm_t : &scm_f;
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}
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#endif
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scm*make_number (int);
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scm *
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mes_type_of (scm *x)
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{
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return make_number (x->type);
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}
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