mes: boot-6: Do not redefine exit as quit.

* mes/module/mes/boot-6.mes (exit): Remove redefinition.

mes/module/mes/boot-6.mes

@@ -205,29 +205,30 @@
 ;; triggers for code evaluated at the top-level, for example from the
 ;; REPL or when loading a file.
 
-(define-macro (eval-case exp env)
-  `(begin
-     (define (toplevel-env? env)
-       (or (not (pair? env)) (not (pair? (car env)))))
-     (define (syntax)
-       (error "syntax error in eval-case"))
-     (let loop ((clauses (cdr ',exp)))
-       (cond
-        ((null? clauses)
-         #f)
-        ((not (list? (car clauses)))
-         (syntax))
-        ((eq? 'else (caar clauses))
-         (or (null? (cdr clauses))
-             (syntax))
-         (cons 'begin (cdar clauses)))
-        ((not (list? (caar clauses)))
-         (syntax))
-        ((and (toplevel-env? ,env)
-              (memq 'load-toplevel (caar clauses)))
-         (cons 'begin (cdar clauses)))
-        (else
-         (loop (cdr clauses)))))))
+(define-macro (eval-case . exp)
+  (let ((env #t)) ; XXX TODO: get current-env from eval-apply
+    `(begin
+       (define (toplevel-env? env)
+         (or (not (pair? env)) (not (pair? (car env)))))
+       (define (syntax)
+         (error "syntax error in eval-case"))
+       (let loop ((clauses ',exp))
+         (cond
+          ((null? clauses)
+           #f)
+          ((not (list? (car clauses)))
+           (syntax))
+          ((eq? 'else (caar clauses))
+           (or (null? (cdr clauses))
+               (syntax))
+           (cons 'begin (cdar clauses)))
+          ((not (list? (caar clauses)))
+           (syntax))
+          ((and (toplevel-env? ,env)
+                (memq 'load-toplevel (caar clauses)))
+           (cons 'begin (cdar clauses)))
+          (else
+           (loop (cdr clauses))))))))
 
 
 
@@ -2005,10 +2006,14 @@
     (force-output cep)
     (throw 'abort key)))
 
+(define core:exit exit)
 (define (quit . args)
   (apply throw 'quit args))
 
-(define exit quit)
+;; FIXME: how does Guile exit 0?
+;; this gives
+;;    unhandled exception: error: (("option must be specified with argument:" "main"))
+;;(define exit quit)
 
 ;;(define has-shown-backtrace-hint? #f) Defined by scm_init_backtrace ()
 
@@ -2282,7 +2287,7 @@
 			compiled-args)
 		 (cddr args))))))
 
-;; (defmacro define-module args
+;; (define-macro (define-module . args)
 ;;   `(eval-case
 ;;     ((load-toplevel)
 ;;      (let ((m (process-define-module
@@ -2469,6 +2474,9 @@
 ;;     (else
 ;;      (error "re-export can only be used at the top level"))))
 
+(define-macro (re-export . names)
+  `(module-re-export! (guile:current-module) ',names))
+
 ;; (defmacro export-syntax names
 ;;   `(export ,@names))