9fc27ee25a
* src/mes.c (t): Add TVARIABLE. (scm_vm_eval_deref): New vm special. (make_vref_): New internal function. (eval_apply): WIP: replace symbols with their variable reference. * src/gc.c (gc_loop): Handle TVARIABLE. * src/lib.c (display_helper): Handle TVARIABLE. * module/mes/type-0.mes (<cell:variable>): New variable. (cell:type-alist): Add it. (variable?): New function. * module/mes/display.mes (display): Handle <variable>.
115 lines
3.3 KiB
Scheme
115 lines
3.3 KiB
Scheme
;;; Mes --- Maxwell Equations of Software
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;;; Copyright © 2018 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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(cond-expand
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(guile)
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(mes
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(define (cons* . rest)
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(if (null? (cdr rest)) (car rest)
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(cons (car rest) (core:apply cons* (cdr rest) (current-module)))))
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(define (apply f h . t)
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(if (null? t) (core:apply f h (current-module))
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(apply f (apply cons* (cons h t)))))
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(define (append . rest)
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(core:display-error "append rest=")
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(core:write-error rest)
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(core:display-error "\n")
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(if (null? rest) '()
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(if (null? (cdr rest)) (car rest)
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(append2 (car rest) (apply append (cdr rest))))))
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(define (string->list s)
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(core:car s))
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(define <cell:string> 10)
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(define (string . lst)
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(core:make-cell <cell:string> lst 0))
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(define (string-append . rest)
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(apply string (apply append (map string->list rest))))
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(define %prefix (getenv "MES_PREFIX"))
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(define (not x) (if x #f #t))
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(define (map1 f lst)
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(if (null? lst) (list)
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(cons (f (car lst)) (map1 f (cdr lst)))))
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(define map map1)
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(define (list->string lst)
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(core:make-cell <cell:string> lst 0))
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(define %moduledir
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(if (not %prefix ) "module/"
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(list->string
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(append (string->list %prefix)
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(string->list "/module") ; `module/' gets replaced upon install
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(string->list "/")))))
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(define-macro (load file)
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(list 'begin
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(list 'if (list getenv "MES_DEBUG")
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(list 'begin
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(list core:display-error ";;; read ")
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(list core:display-error file)
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(list core:display-error "\n")))
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(list 'primitive-load file)))
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(define-macro (include-from-path file)
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(list 'load (list string-append %moduledir file)))
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(define (string->symbol s)
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(core:lookup-symbol (core:car s)))
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(define (symbol->list s)
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(core:car s))
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(define <cell:string> 10)
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(define (string . lst)
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(core:make-cell <cell:string> lst 0))
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(define (symbol->string s)
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(apply string (symbol->list s)))
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(define (getcwd) ".")
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(define (display x . rest)
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(if (null? rest) (core:display x)
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(core:display-port x (car rest))))
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))
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(define (memq x lst)
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(if (null? lst) #f
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(if (eq? x (car lst)) lst
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(memq x (cdr lst)))))
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(define (string-join lst infix)
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(if (null? (cdr lst)) (car lst)
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(string-append (car lst) infix (string-join (cdr lst) infix))))
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(include-from-path "mes/module.mes")
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(core:display-error module->file) (core:display-error "\n")
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(define %moduledir (string-append (getcwd) "/"))
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(mes-use-module (scaffold boot data module))
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;; (mes-use-module (scaffold boot data module))
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