30efe5ffbc
* make.scm (bin.gcc, bin.mescc): Use MES_C_READER=1. * src/mes.c (scm_symbol_define, scm_symbol_define_macro): New symbol. (scm_vm_eval_define): New special. (scm_symbol_c_define): New symbol. (MAKE_MACRO): New define. (eval_apply)[MES_C_DEFINE]: Handle define, define-macro. (mes_symbols): Define %c-define for use in read-0.mes. * module/mes/read-0.mes: Do not implement full scheme define if %c-define. * module/mes/quasiquote.mes (sexp:define, env:define, env:macro): New function. (define-macro): New macro. FIXME * module/mes/psyntax.mes (define): New macro. FIXME
45 lines
1.4 KiB
Scheme
45 lines
1.4 KiB
Scheme
;;; -*-scheme-*-
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;;; Mes --- Maxwell Equations of Software
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;;; Copyright © 2016,2017 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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;;; Commentary:
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;;; Code:
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(define (env:define a+ a)
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(set-cdr! a+ (cdr a))
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(set-cdr! a a+)
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(set-cdr! (assq (quote *closure*) a) a+)
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(car a+))
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(define-macro (define ARGS . BODY)
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(cons* (quote env:define)
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(cons* (quote cons)
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(cons* (quote sexp:define)
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(list (quote quote)
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(cons (quote DEFINE) (cons ARGS BODY)))
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(quote ((current-module))))
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(quote ((list))))
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(quote ((current-module)))))
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(mes-use-module (mes psyntax-0))
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(include-from-path "mes/psyntax.pp")
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(mes-use-module (mes psyntax-1))
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(mes-use-module (mes quasisyntax))
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