312 lines
10 KiB
Scheme
312 lines
10 KiB
Scheme
;;; -*-scheme-*-
|
|
|
|
;;; GNU Mes --- Maxwell Equations of Software
|
|
;;; Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
|
|
;;;
|
|
;;; This file is part of GNU Mes.
|
|
;;;
|
|
;;; GNU Mes 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.
|
|
;;;
|
|
;;; GNU Mes 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
;;; Commentary:
|
|
|
|
;;; read-0.mes - bootstrap reader. This file is read by a minimal
|
|
;;; core reader. It only supports s-exps and line-comments; quotes,
|
|
;;; character literals, string literals cannot be used here.
|
|
|
|
;;; Code:
|
|
|
|
;; boot-00.scm
|
|
(define mes %version)
|
|
|
|
(define (defined? x)
|
|
(module-variable (current-module) x))
|
|
|
|
(define (cond-expand-expander clauses)
|
|
(if (defined? (car (car clauses)))
|
|
(cdr (car clauses))
|
|
(cond-expand-expander (cdr clauses))))
|
|
|
|
(define-macro (cond-expand . clauses)
|
|
(cons 'begin (cond-expand-expander clauses)))
|
|
;; end boot-00.scm
|
|
|
|
;; boot-01.scm
|
|
(define (pair? x) (eq? (core:type x) <cell:pair>))
|
|
(define (not x) (if x #f #t))
|
|
|
|
(define (display x . rest)
|
|
(if (null? rest) (core:display x)
|
|
(core:display-port x (car rest))))
|
|
|
|
(define (write x . rest)
|
|
(if (null? rest) (core:write x)
|
|
(core:write-port x (car rest))))
|
|
|
|
(define (list->string lst)
|
|
(core:make-cell <cell:string> lst 0))
|
|
|
|
(define (integer->char x)
|
|
(core:make-cell <cell:char> 0 x))
|
|
|
|
(define (newline . rest)
|
|
(core:display (list->string (list (integer->char 10)))))
|
|
|
|
(define (string->list s)
|
|
(core:car s))
|
|
|
|
(define (cadr x) (car (cdr x)))
|
|
|
|
(define (map1 f lst)
|
|
(if (null? lst) (list)
|
|
(cons (f (car lst)) (map1 f (cdr lst)))))
|
|
|
|
(define (map f lst)
|
|
(if (null? lst) (list)
|
|
(cons (f (car lst)) (map f (cdr lst)))))
|
|
|
|
(define (cons* . rest)
|
|
(if (null? (cdr rest)) (car rest)
|
|
(cons (car rest) (core:apply cons* (cdr rest) (current-module)))))
|
|
|
|
(define (apply f h . t)
|
|
(if (null? t) (core:apply f h (current-module))
|
|
(apply f (apply cons* (cons h t)))))
|
|
|
|
(define (append . rest)
|
|
(if (null? rest) '()
|
|
(if (null? (cdr rest)) (car rest)
|
|
(append2 (car rest) (apply append (cdr rest))))))
|
|
;; end boot-01.scm
|
|
|
|
;; boot-02.scm
|
|
(define-macro (and . x)
|
|
(if (null? x) #t
|
|
(if (null? (cdr x)) (car x)
|
|
(list (quote if) (car x) (cons (quote and) (cdr x))
|
|
#f))))
|
|
|
|
(define-macro (or . x)
|
|
(if (null? x) #f
|
|
(if (null? (cdr x)) (car x)
|
|
(list (list (quote lambda) (list (quote r))
|
|
(list (quote if) (quote r) (quote r)
|
|
(cons (quote or) (cdr x))))
|
|
(car x)))))
|
|
|
|
(define-macro (mes-use-module module)
|
|
#t)
|
|
;; end boot-02.scm
|
|
|
|
;; boot-0.scm
|
|
(define (primitive-eval e) (core:eval e (current-module)))
|
|
(define eval core:eval)
|
|
|
|
(define (current-output-port) 1)
|
|
(define (current-error-port) 2)
|
|
(define (port-filename port) "<stdin>")
|
|
(define (port-line port) 0)
|
|
(define (port-column port) 0)
|
|
(define (ftell port) 0)
|
|
(define (false-if-exception x) x)
|
|
|
|
(define (cons* . rest)
|
|
(if (null? (cdr rest)) (car rest)
|
|
(cons (car rest) (core:apply cons* (cdr rest) (current-module)))))
|
|
|
|
(define (apply f h . t)
|
|
(if (null? t) (core:apply f h (current-module))
|
|
(apply f (apply cons* (cons h t)))))
|
|
|
|
(define-macro (cond . clauses)
|
|
(list 'if (pair? clauses)
|
|
(list (cons
|
|
'lambda
|
|
(cons
|
|
'(test)
|
|
(list (list 'if 'test
|
|
(if (pair? (cdr (car clauses)))
|
|
(if (eq? (car (cdr (car clauses))) '=>)
|
|
(append2 (cdr (cdr (car clauses))) '(test))
|
|
(list (cons 'lambda (cons '() (cons 'test (cdr (car clauses)))))))
|
|
(list (cons 'lambda (cons '() (cons 'test (cdr (car clauses)))))))
|
|
(if (pair? (cdr clauses))
|
|
(cons 'cond (cdr clauses)))))))
|
|
(car (car clauses)))))
|
|
|
|
(define else #t)
|
|
|
|
(define-macro (load file)
|
|
(list 'begin
|
|
(list 'if (list 'and (list getenv "MES_DEBUG")
|
|
(list not (list equal2? (list getenv "MES_DEBUG") "0"))
|
|
(list not (list equal2? (list getenv "MES_DEBUG") "1")))
|
|
(list 'begin
|
|
(list core:display-error ";;; read ")
|
|
(list core:display-error file)
|
|
(list core:display-error "\n")))
|
|
(list 'primitive-load file)))
|
|
|
|
(define-macro (include file) (list 'load file))
|
|
|
|
(define (append . rest)
|
|
(if (null? rest) '()
|
|
(if (null? (cdr rest)) (car rest)
|
|
(append2 (car rest) (apply append (cdr rest))))))
|
|
|
|
(define (string->list s)
|
|
(core:car s))
|
|
|
|
(define %prefix (getenv "MES_PREFIX"))
|
|
(define %moduledir
|
|
(if (not %prefix) "mes/module/"
|
|
(list->string
|
|
(append (string->list %prefix) (string->list "/module/" )))))
|
|
|
|
(include (list->string
|
|
(append2 (string->list %moduledir) (string->list "mes/type-0.mes"))))
|
|
|
|
(define (symbol->string s)
|
|
(apply string (symbol->list s)))
|
|
|
|
(define (string-append . rest)
|
|
(apply string (apply append (map1 string->list rest))))
|
|
|
|
(define %version (if (eq? (car (string->list "@VERSION@")) #\@) "git"
|
|
"@VERSION@"))
|
|
(define (effective-version) %version)
|
|
|
|
(if (list 'and (list getenv "MES_DEBUG")
|
|
(list not (list equal2? (list getenv "MES_DEBUG") "0"))
|
|
(list not (list equal2? (list getenv "MES_DEBUG") "1")))
|
|
(begin
|
|
(core:display-error ";;; %moduledir=")
|
|
(core:display-error %moduledir)
|
|
(core:display-error "\n")))
|
|
|
|
(define-macro (include-from-path file)
|
|
(list 'load (list string-append %moduledir file)))
|
|
|
|
(define (string-join lst infix)
|
|
(if (null? lst) ""
|
|
(if (null? (cdr lst)) (car lst)
|
|
(string-append (car lst) infix (string-join (cdr lst) infix)))))
|
|
|
|
(include-from-path "mes/module.mes")
|
|
|
|
(mes-use-module (mes base))
|
|
(mes-use-module (mes quasiquote))
|
|
(mes-use-module (mes let))
|
|
(mes-use-module (mes scm))
|
|
(mes-use-module (srfi srfi-1))
|
|
(mes-use-module (srfi srfi-13))
|
|
(mes-use-module (mes fluids))
|
|
(mes-use-module (mes catch))
|
|
(mes-use-module (mes posix))
|
|
|
|
(define-macro (include-from-path file)
|
|
(let loop ((path (cons* %moduledir "@srcdir@/module" (string-split (or (getenv "GUILE_LOAD_PATH")) #\:))))
|
|
(cond ((and=> (getenv "MES_DEBUG") (compose (lambda (o) (> o 2)) string->number))
|
|
(core:display-error (string-append "include-from-path: " file " [PATH:" (string-join path ":") "]\n")))
|
|
((and=> (getenv "MES_DEBUG") (compose (lambda (o) (> o 1)) string->number))
|
|
(core:display-error (string-append "include-from-path: " file "\n"))))
|
|
(if (null? path) (error "include-from-path: not found: " file)
|
|
(let ((file (string-append (car path) "/" file)))
|
|
(if (access? file R_OK) `(load ,file)
|
|
(loop (cdr path)))))))
|
|
|
|
(define-macro (define-module module . rest)
|
|
`(if ,(and (pair? module)
|
|
(= 1 (length module))
|
|
(symbol? (car module)))
|
|
(define (,(car module) . arguments) (main (command-line)))))
|
|
|
|
(define-macro (use-modules . rest) #t)
|
|
|
|
(mes-use-module (mes getopt-long))
|
|
|
|
(define %main #f)
|
|
(primitive-load 0)
|
|
(let ((tty? (isatty? 0)))
|
|
(define (parse-opts args)
|
|
(let* ((option-spec
|
|
'((no-auto-compile)
|
|
(compiled-path (single-char #\C) (value #t))
|
|
(dump)
|
|
(help (single-char #\h))
|
|
(load)
|
|
(load-path (single-char #\L) (value #t))
|
|
(main (single-char #\e) (value #t))
|
|
(source (single-char #\s) (value #t))
|
|
(version (single-char #\V)))))
|
|
(getopt-long args option-spec #:stop-at-first-non-option #t)))
|
|
(define (source-arg? o)
|
|
(equal? "-s" o))
|
|
(let* ((s-index (list-index source-arg? %argv))
|
|
(args (if s-index (list-head %argv (+ s-index 2)) %argv))
|
|
(options (parse-opts args))
|
|
(main (option-ref options 'main #f))
|
|
(source (option-ref options 'source #f))
|
|
(files (if s-index (list-tail %argv (+ s-index 1))
|
|
(option-ref options '() '())))
|
|
(help? (option-ref options 'help #f))
|
|
(usage? (and (not help?) (null? files) (not tty?) (not main)))
|
|
(version? (option-ref options 'version #f)))
|
|
(or
|
|
(and version?
|
|
(display (string-append "mes (GNU Mes) " %version "\n"))
|
|
(exit 0))
|
|
(and (or help? usage?)
|
|
(display "Usage: mes [OPTION]... [FILE]...
|
|
Evaluate code with Mes, interactively or from a script.
|
|
|
|
[-s] FILE load source code from FILE, and exit
|
|
-- stop scanning arguments; run interactively
|
|
|
|
The above switches stop argument processing, and pass all
|
|
remaining arguments as the value of (command-line).
|
|
|
|
--dump dump binary program to stdout
|
|
-e,--main=MAIN after reading script, apply MAIN to command-line arguments
|
|
-h, --help display this help and exit
|
|
--load load binary program [module/mes/boot-0.32-mo]
|
|
-L,--load-path=DIR add DIR to the front of the module load path
|
|
-v, --version display version information and exit
|
|
|
|
Ignored for Guile compatibility:
|
|
--auto-compile
|
|
--fresh-auto-compile
|
|
--no-auto-compile
|
|
-C,--compiled-path=DIR
|
|
" (or (and usage? (current-error-port)) (current-output-port)))
|
|
(exit (or (and usage? 2) 0)))
|
|
options)
|
|
(if main (set! %main main))
|
|
(and=> (option-ref options 'load-path #f)
|
|
(lambda (dir)
|
|
(setenv "GUILE_LOAD_PATH" (string-append dir ":" (getenv "GUILE_LOAD_PATH")))))
|
|
(cond ((pair? files)
|
|
(let* ((file (car files))
|
|
(port (if (equal? file "-") 0
|
|
(open-input-file file))))
|
|
(set! %argv files)
|
|
(set-current-input-port port)))
|
|
((and (null? files) tty?)
|
|
|
|
(mes-use-module (mes repl))
|
|
(set-current-input-port 0)
|
|
(repl))
|
|
(else #t))))
|
|
(primitive-load 0)
|
|
(primitive-load (open-input-string %main))
|