diff options
Diffstat (limited to 'share')
| -rw-r--r-- | share/txr/stdlib/with-resources.tl | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/share/txr/stdlib/with-resources.tl b/share/txr/stdlib/with-resources.tl index 50fc62a7..28cdd6fb 100644 --- a/share/txr/stdlib/with-resources.tl +++ b/share/txr/stdlib/with-resources.tl @@ -40,3 +40,11 @@ (nil ^(progn ,*body)) (other (error "with-resources: bad syntax")))) + +(defmacro with-objects (var-init-forms . body) + (let ((gens (mapcar (ret (gensym)) var-init-forms))) + ^(let ,gens + (unwind-protect + (let* ,(mapcar (aret ^(,@2 (set ,@1 ,@3))) gens var-init-forms) + ,*body) + ,*(reverse (mapcar (ret ^(call-finalizers ,@1)) gens)))))) |