- `(progn
- (defun ,fn-name (,n-form)
- (let ((,n-env *lexenv*))
- ,@decls
- ,body))
- (setf (info :function :source-transform ',name) #',fn-name)))))
+ `(lambda (,n-form &aux (,n-env *lexenv*))
+ ,@decls
+ (block ,name
+ ,body)))))
+(defmacro define-source-transform (name lambda-list &body body)
+ `(setf (info :function :source-transform ',name)
+ (source-transform-lambda ,lambda-list ,@body)))