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Guarding @import expressions from the repl.

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Alex Shinn 2013-04-01 20:38:35 +09:00
parent 4452607836
commit b840602d6c
1 changed files with 31 additions and 26 deletions
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57
lib/chibi/repl.scm
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@ -195,18 +195,23 @@
(mod+imps (eval `(resolve-import ',mod-name)
meta-env)))
(if (pair? mod+imps)
(let ((env (if (eq? op 'import-only)
(let ((env (make-environment)))
(interaction-environment env)
env)
env))
(imp-env
(vector-ref
(eval `(load-module ',(car mod+imps))
meta-env)
1)))
(%import env imp-env (cdr mod+imps) #f)
(continue module env meta-env))
(guard
(exn
(else
(print-exception exn (current-error-port))
(fail "error loading module:" mod-name)))
(let ((env (if (eq? op 'import-only)
(let ((env (make-environment)))
(interaction-environment env)
env)
env))
(imp-env
(vector-ref
(eval `(load-module ',(car mod+imps))
meta-env)
1)))
(%import env imp-env (cdr mod+imps) #f)
(continue module env meta-env)))
(fail "couldn't find module:" mod-name))))
((in)
(let ((name (read/ss in)))
@ -269,20 +274,20 @@
(for-each
(lambda (expr)
(call-with-values
(lambda ()
(eval (list 'begin expr) env))
(lambda res-list
(cond
((not (or (null? res-list)
(equal? res-list
(list (if #f #f)))))
(write/ss (car res-list) out)
(for-each
(lambda (res)
(write-char #\space out)
(write/ss res out))
(cdr res-list))
(newline out))))))
(lambda ()
(eval (list 'begin expr) env))
(lambda res-list
(cond
((not (or (null? res-list)
(equal? res-list
(list (if #f #f)))))
(write/ss (car res-list) out)
(for-each
(lambda (res)
(write-char #\space out)
(write/ss res out))
(cdr res-list))
(newline out))))))
expr-list))))))
;; If an interrupt occurs while the child thread is
;; still running, terminate it, otherwise wait for it